Patent application number | Description | Published |
20090036565 | Dental Composites with a Low Shrinkage Tension and High Flexural Strength - Dental composite materials based on (meth)acrylate, exhibiting a proportion of TCD monomers in the total composition of 1-15% by weight and the quotient of flexural strength/shrinkage tension is at least 35. | 02-05-2009 |
20100076115 | Compositions For Dental Composites With Tricyclo[5.2.1.02.6]decane Derivatives - Dental composites comprising monomers, crosslinking agents, fillers, and initiators, in which the crosslinking agent comprises more than 50% by weight of the acrylate monomer TCD-DI-HEA, and the cyctotoxicity of the cured composite as determined according to the standard requirements of ISO 10993-5 and DIN EN ISO 7405 is assessed into the category “no cytotoxic potential”. | 03-25-2010 |
20100087565 | Dental Composites with a Low Shrinkage Tension and High Flexural Strength - Dental composite materials based on (meth)acrylate, exhibiting a proportion of TCD monomers in the total composition of 1-15% by weight and the quotient of flexural strength/shrinkage tension is at least 35. | 04-08-2010 |
20110293866 | Active implantable device - One aspect relates to a method for connecting a housing of an active implantable medical device to a head part, whereby an uncured joining agent that is arranged, at least in part, between the housing and the head part is transitioned into a cured joining agent to attain a firmly bonded connection. In one embodiment, the uncured joining agent includes monomers of a (meth)acrylic acid alkyl ester, and the cured joining agent includes at least one polymer of the (meth)acrylic acid alkyl ester. | 12-01-2011 |
20140053965 | DENTAL ADHESIVE AGENT FOR HIGH-PERFORMANCE POLYMERS - The invention relates to a method for the production of an adhesive bond between (a) the surface of dental subframes based on high-performance polymers, and (b) dental composites, by | 02-27-2014 |
20140336304 | Durable dental material with improved transparent properties - A dental material comprising (a) at least one curable monomer and/or polymer component, and (b) at least one filler component comprising agglomerated oxide particles having a matrix and a doping component, whereby the matrix contains silicon dioxide and the doping component comprises zirconium dioxide, whereby the agglomerated oxide particles are incorporated into the cured polymer matrix of the dental material and are abraded only in layers together with the polymer matrix of the dental material during an abrasion process and do not chip away as individual, intact particles. Moreover, the cured dental material possesses high transparency. | 11-13-2014 |
Patent application number | Description | Published |
20080203112 | System for Storing and Dispensing of a Substance - The present invention is directed to a system for storing and dispensing a substance and a method for air free filling of the same. The system comprises at least one compartment for storing a predetermined amount of a substance, wherein said compartment has a back end and a front end for filling and dispensing the substance, respectively. The system further comprises a vent, a movable front plug and a displaceable piston for sealing the compartment at the back end, wherein the compartment defines a predetermined volume between the vent and the movable front plug within the compartment downstream of said piston. | 08-28-2008 |
20080227052 | Dose Delivery System - The present invention is directed to a unit dose delivery system for flowable substances. The delivery system or applicator of the present invention allows storage, mixing and well controlled dispensing of multi-material component substances. | 09-18-2008 |
20080230565 | Plunger and Plunger Assembly For a Cartridge, System For Storing a Substance, and Method of Filling and Sealing a Substance in a Delivery System - The present invention is directed to a plunger, a plunger assembly, and a system for storing a substance or substances, preferably flowable substances, and a method of filling and sealing a substance in a storing system. In particular, the present invention provides for substantially air-free filling and storing of substances in a delivery system. | 09-25-2008 |
20090136897 | DENTAL INSTRUMENT AND METHOD OF USE - A dental instrument ( | 05-28-2009 |
20090298010 | DEVICE FOR DISPENSING MATERIAL - A capsule for storing and dispensing dental material. The capsule comprises a cartridge for the dental material, and a nozzle. The nozzle being pivotable with respect to the cartridge between a first position in which the capsule is closed for storage and a second position in which the capsule is opened for dispensing the dental material. One of the nozzle and the cartridge comprises a bearing member and the other one of the nozzle and the cartridge comprises a bearing shell, wherein the bearing member and bearing shell form a pivot. Upon pivoting the nozzle from the first to the second position, the seal between the bearing member and the bearing shell is improved. | 12-03-2009 |
20120058445 | DENTAL INSTRUMENT AND METHOD OF USE - A dental instrument for use in removing unremineralizable carious dentin from a tooth while generally maintaining remineralizable carious dentin. The instrument comprises an instrument body and an instrument head having scraping elements made of plastic. Also, a method of removing unremineralizable carious dentine from a tooth while generally maintaining remineralizable carious dentin, wherein the method comprises the use of the dental instrument. | 03-08-2012 |
20130101955 | DEVICE FOR DISPENSING MATERIAL - Provided is a capsule for storing and dispensing dental material. The capsule comprises a cartridge for the dental material, and a nozzle. The nozzle being pivotable with respect to the cartridge between a first position in which the capsule is closed for storage and a second position in which the capsule is opened for dispensing the dental material. One of the nozzle and the cartridge comprises a bearing member and the other one of the nozzle and the cartridge comprises a bearing shell, wherein the bearing member and bearing shell form a pivot. Upon pivoting the nozzle from the first to the second position, the seal between the bearing member and the bearing shell is improved. | 04-25-2013 |
Patent application number | Description | Published |
20130145250 | Generation of Test Data for Web Service-Based Test Automation and Semi-Automated Test Data Categorization - Test data for a software services (e.g., a Web service) can be automatically generated from a user-provided specification. The user-provided specification may identify mandatory data elements along with data elements to be tested. Test categories may be defined to specify the type of test to be performed. A value provider may serve as a source of data values for the generated test data. | 06-06-2013 |
20130151264 | Processing of Business Object Identifiers in Master Data Integration Scenarios Involving Non-Local Identifiers - Disclosed is a mechanism to process business object IDs in inbound and outbound processing. The mechanism takes into account a mapping table, matching capabilities, number ranges, inbound error and conflict handling, inbound processing, outbound processing, initial load, and data migration. | 06-13-2013 |
20130198103 | Mapping Between Different Delta Handling Patterns - A received delta message of a first kind, expressed in one interchange format, may be used to modify business record(s) in accordance with the processing of a delta message of a second kind expressed in a different interchange format. Conversely, a delta message of the first kind may be generated to express modifications made to a business record, where the modifications are specified in accordance with a delta message of the second kind. | 08-01-2013 |
Patent application number | Description | Published |
20110171028 | Boron-based Refractory Coating for a Wind Turbine Component - A wind turbine including at least one component with a surface is provided. The surface is coated at least in part with a refractory layer, preferably a boron-based refractory layer. Further, a wind farm including such a wind turbine and a method are provided. | 07-14-2011 |
20110171463 | Vanadium-based hard material coating of a wind power plant component - A wind power plant is provided including at least one component with a surface. The surface is coated at least partially with a hard material layer, preferably a vanadium-based hard material layer. Further, a wind park and a method of improving a characteristic of a surface of a component of a wind power plant are provided. | 07-14-2011 |
20120019001 | WIND TURBINE, DRIVE TRAIN ASSEMBLY, WIND TURBINE NACELLE SYSTEM, METHODS FOR CONVERTING ROTATIONAL ENERGY AND METHODS FOR BUILDING A NACELLE AND FOR RE-EQUIPPING A WIND TURBINE - A wind turbine with a drive train connecting a drive unit with a generator assembly is provided. The generator assembly includes a first generator with a first stator and a first rotor, the first rotor being directly connected to the drive train, and at least a second generator indirectly coupled to the drive train via a gear box. Further, a drive train assembly, a wind turbine nacelle system, a method for converting rotational energy into electrical energy, a method of building a nacelle and methods of re-equipping a wind turbine are provided. | 01-26-2012 |
Patent application number | Description | Published |
20130127863 | DETERMINING AN OPTIMAL SEQUENCE OF STATUS TRANSITIONS FOR BUSINESS OBJECTS - Various embodiments of systems and methods for determining optimal an sequence of status transitions for business objects are described herein. In one aspect, the method executed by one or more computers in a network of computers includes receiving a target status for a business object, identifying a source status of the business object, identifying a status schema including one or more transitions from the source status to the target status, parsing the status schema to retrieve the one or more transitions from the source status to the target status, generating a graphical representation illustrating the transitions from the source status to the target status, executing an algorithm upon the graphical representation to determine an optimal sequence of transitions from the source status to the target status, and processing the business object based upon the optimal sequence of transitions to attain the target status. | 05-23-2013 |
20140006072 | Consistent Interface for Customer - Message Set 2 | 01-02-2014 |
20140006230 | Consistent Interface for Material | 01-02-2014 |
20140006291 | CONSISTENT INTERFACE FOR SERVICE PRODUCT | 01-02-2014 |
20140006307 | Consistent Interface for Customer - Message Set 3 | 01-02-2014 |
20140006492 | Consistent Interface for Entitlement Product | 01-02-2014 |
20140006520 | Consistent Interface for Customer - Message Set 1 | 01-02-2014 |
20140181020 | INTEGRATION SCENARIO FOR MASTER DATA WITH SOFTWARE-AS-A-SERVICE SYSTEM - According to one general aspect, a method may include replicating, to a software-as-a-service application, a plurality of pieces of master data from a physically remote master database. The method may also include converting the plurality of pieces of master data into one or more pieces of local data of the software-as-a-service application. The method may include changing one or more of either the pieces of master data or the pieces of local data. The method may further include synchronizing the changed pieces of either master data or local data between the remote master database and the software-as-a-service application. | 06-26-2014 |
Patent application number | Description | Published |
20100121668 | AUTOMATED COMPLIANCE CHECKING FOR PROCESS INSTANCE MIGRATION - A business process workflow editorial data processing system can be provided. The system can include a workflow management system such as a BPEL process editing tool, and a repository of templates each template defining a process. At least two of the templates can include a new template and an existing template for an executing instance of a business process. The system also can include compliance checking logic coupled to the workflow management system. The logic can include program code enabled to derive a log of changes between the new template and the existing template based upon added and removed activities and links between activities in the executing process instance, to group the changes in the log according to common activities, to determine a wavefront for the executing process instance, and to migrate the executing process instance to the new template only if the wavefront does not cross any of the groups of the changes, but otherwise rejecting a migration of the process instance to the new template. | 05-13-2010 |
20100122251 | REALIZING JUMPS IN AN EXECUTING PROCESS INSTANCE - A method for realizing jumps in an executing process instance can be provided. The method can include suspending an executing process instance, determining a current wavefront for the process instance and computing both a positive wavefront difference for a jump target relative to the current wavefront and also a negative wavefront difference for the jump target relative to the current wavefront. The method also can include removing activities from consideration in the process instance and also adding activities for consideration in the process instance both according to the computed positive wavefront difference and the negative wavefront difference, creating missing links for the added activities, and resuming executing of the process instance at the jump target. | 05-13-2010 |
20120330703 | MIGRATING BUSINESS PROCESS INSTANCES - Migration of a business process instance derived from a business process model having compensation logic is provided. A new business process version of the business process model is modeled. The business process model is statically analyzed to create a static process control flow. A potential compensation control flow is derived based on the business process instance. Changes between the new business process version and a previous business process version of the business process model are identified. The identified changes are walked to separate and group changes related to the compensation logic and changes related to a normal control flow of the business process model into change groups. The business process instance is migrated based on migration conditions which are determined based on the change groups. | 12-27-2012 |
20130007752 | MIGRATION OF PROCESS INSTANCES - For migrating process instances, first input information describing changes between a first process template and a second process template is received. Second input information describing grouping of said changes is also received. A set of combinations of the first process template and the second process template is determined by applying the changes to the first process template in complete groups as defined by the second input information. | 01-03-2013 |
20130125128 | REALIZING JUMPS IN AN EXECUTING PROCESS INSTANCE - A method for realizing jumps in an executing process instance can be provided. The method can include suspending an executing process instance, determining a current wavefront for the process instance and computing both a positive wavefront difference for a jump target relative to the current wavefront and also a negative wavefront difference for the jump target relative to the current wavefront. The method also can include removing activities from consideration in the process instance and also adding activities for consideration in the process instance both according to the computed positive wavefront difference and the negative wavefront difference, creating missing links for the added activities, and resuming executing of the process instance at the jump target. | 05-16-2013 |
20150128143 | REALIZING JUMPS IN AN EXECUTING PROCESS INSTANCE - A method for realizing jumps in an executing process instance can be provided. The method can include suspending an executing process instance, determining a current wavefront for the process instance and computing both a positive wavefront difference for a jump target relative to the current wavefront and also a negative wavefront difference for the jump target relative to the current wavefront. The method also can include removing activities from consideration in the process instance and also adding activities for consideration in the process instance both according to the computed positive wavefront difference and the negative wavefront difference, creating missing links for the added activities, and resuming executing of the process instance at the jump target. | 05-07-2015 |
20150278741 | MIGRATION OF PROCESS INSTANCES - For migrating process instances, first input information describing changes between a first process template and a second process template is received. Second input information describing grouping of said changes is also received. A set of combinations of the first process template and the second process template is determined by applying the changes to the first process template in complete groups as defined by the second input information. | 10-01-2015 |
20160041841 | REALIZING JUMPS IN AN EXECUTING PROCESS INSTANCE - A method for realizing jumps in an executing process instance can be provided. The method can include suspending an executing process instance, determining a current wavefront for the process instance and computing both a positive wavefront difference for a jump target relative to the current wavefront and also a negative wavefront difference for the jump target relative to the current wavefront. The method also can include removing activities from consideration in the process instance and also adding activities for consideration in the process instance both according to the computed positive wavefront difference and the negative wavefront difference, creating missing links for the added activities, and resuming executing of the process instance at the jump target. | 02-11-2016 |
Patent application number | Description | Published |
20080286069 | Screwed Connection - A screwed connection has a threaded bolt; a nut; a washer arranged between the nut and a surface of a component to be clamped; a screwing device with a housing, a holding tool connected to the housing, and a tightening tool that engages positively the nut; a measuring element arranged in the washer for measuring a compressive force generated by tightening the screwed connection. The washer has an anti-rotation device oriented toward the surface of the component. The outer periphery of the washer is positive-lockingly engaged by the holding tool. The washer has no positive or frictional connection to the threaded bolt, and the holding tool has no torque supporting action on the threaded bolt or on any other part so that a reaction moment, generated when tightening the nut, is introduced from the housing of the screwing device through the washer into the component to be clamped. | 11-20-2008 |
20090162166 | Segmented Nut for Screw Connections - A nut for a screw connections has, in the circumferential direction, segments that are substantially of the same size, abut one another in separating planes, and are movably guided relative to one another between an open position and a closed position. Closing elements serve for movement of the segments toward one another into the closed position. In order to provide a segmented nut that is suitable for many applications in facility and apparatus engineering, the segments are pivotable relative to one another and connected for this purpose in a first end area in a pivotable way. The closing elements load the segments in the second end areas. | 06-25-2009 |
20090260485 | Method and Device for Controlling a Hydraulically Operated Power Wrench - In a method for controlling a hydraulic power wrench with a pivotable lever pivoted by a piston-cylinder unit and a ratchet arrangement for stepwise rotation of a ratchet bushing by advancing and return strokes, parameters such as nominal torque or pre-load or screw parameters are entered into an electronic input unit. Nominal pressure corresponding to the parameters is determined by an electronic evaluation unit and generated by the pump. The piston-cylinder unit is pressure-loaded for performing a pre-stroke until the nominal pressure is reached followed immediately by a return stroke. A time interval from beginning of pressure loading until reaching nominal pressure or until reaching an initial pressure after pressure relief is measured. Pressure loading and measuring are repeated. The measured time intervals are compared. Pressure loading cycles are stopped when at least the last measured time interval is shorter than at least the penultimate measured time interval. | 10-22-2009 |
20100126592 | Safety Device for a High-Pressure Connector of a Hydraulic Device - A safety device on a high-pressure connector of a hydraulic device has a shield that surrounds the high-pressure connector and catches hydraulic liquid that escapes at high pressure. The shield has a housing surrounding seal-tightly a pressure medium distributor on the hydraulic device and has furthermore a protective pipe connected to the housing and surrounding a connecting nipple for a high-pressure hose conduit adapted to be coupled by a hose coupling. | 05-27-2010 |
20110048176 | Hydraulic Bolt Tensioning Device and Method for Tightening Large Bolts by Means of a Hydraulic Bolt Tensioning Device - A hydraulic bolt tensioning device has a cylinder supported on a machine part that is to be clamped by threaded bolt and nut. An exchangeable bushing has a first end screwed onto a free threaded end of the threaded bolt that projects past the nut. A tensioning piston is seal-tightly guided in the cylinder and supported on a second end of the exchangeable bushing. A pressure medium is supplied into an annular space between cylinder and piston. A control device is provided for setting a nominal pressure of the pressure medium corresponding to a nominal pretension of the threaded bolt. A yield limit detection device detects whether a yield limit of the threaded bolt is reached during tensioning. A controller acts on a pressure relief device for pressure relief of the bolt tensioning device when reaching, or shortly after reaching, the yield limit of the threaded bolt. | 03-03-2011 |
20110188960 | METHOD FOR TENSIONING SCREW BOLTS, AS WELL AS SCREW BOLT AND SCREW BOLT TENSIONING DEVICE FOR CARRYING OUT THE METHOD - This invention relates to a method for hydraulically tensioning screw bolts as well as to screw bolts and screw bolt tensioning devices for carrying out the method. It is proposed to apply the total pretensioning force for one part via an external thread and for the remaining part via an internal thread of the bolt end. | 08-04-2011 |
20110268534 | Segmented Nut for Screw Connections - A nut for screw connections has two substantially identically sized nut segments of a half-shell shape, wherein the nut segments each have an inner side provided with an inner thread segment defining together an inner thread. The nut segments are connected to each other so as to be moveable toward each other until the nut segments reach a closed position. The nut segments are maintained in the closed position by springs or a locking device. An actuating device is moveably arranged on at least one of the two nut segments for releasing the closed position, wherein the actuating device is adapted to manually actuated. | 11-03-2011 |
20130034407 | Segmented Nut for Screw Connections - A nut for screw connections has two substantially identically sized nut segments of a half-shell shape, wherein the nut segments each have an inner side provided with an inner thread segment defining together an inner thread. The nut segments are connected to each other so as to be moveable toward each other until the nut segments reach a closed position. The nut segments are maintained in the closed position by springs or a locking device. An actuating device is moveably arranged on at least one of the two nut segments for releasing the closed position, wherein the actuating device is adapted to manually actuated. | 02-07-2013 |
20130292542 | LIFTING AND TRANSPORTING DEVICE - A lifting and transporting device for lifting a load and transporting the same transversely to the lifting direction includes a frame ( | 11-07-2013 |
20140000414 | Tensioning device for extending a threaded bolt | 01-02-2014 |
20140020515 | Tensioning device for extending a threaded bolt - A tensioning device for extending a threaded bolt by tensioning the threaded end section thereof is connectable to a hydraulic supply. The tensioning device has a supporting tube surrounding the threaded end section. A cylinder is arranged in continuation of the supporting tube and s piston is arranged in the cylinder and movable in longitudinal direction of the cylinder. An exchange socket is screwable to the threaded end section and configured to be carried along axially by the piston. A pin is movably arranged in the longitudinal direction and has a pin body with a first pin end supported in the longitudinal direction against the threaded end section of the threaded bolt. A sensing device senses a position of the pin in the longitudinal direction. An evaluation and control unit connected to the sensing device is acting on the hydraulic supply to enable the hydraulic supply. | 01-23-2014 |
20140165789 | Tensioning device for extending a threaded bolt, and tool suitable for this purpose, preferably drive adapter - A tensioning device for treaded bolts has a supporting tube and a cylinder with a hydraulic supply connected thereto. The supporting tube surrounds the threaded end section of the bolt. A piston is moveable in the cylinder longitudinally. An exchange socket is connected to the piston and driven axially by it. The exchange socket has a first end with internal thread to be screwed onto the threaded end section and a second end with an external polygon member. A tool attachable to the external polygon member enables turning of the exchange socket. The tool has a cup-shaped section having a first open end and an inner side with tool faces that engage the external polygon member. The tool has a drive section that is slimmer than the cup-shaped section and connected to a second end of the cup-shaped section. The drive section extends away from the cup-shaped section. | 06-19-2014 |
20140174262 | Tension device for straining a threaded bolt - A tension device for straining a threaded bolt by applying a pulling force on a threaded end portion has a housing and a piston moveably disposed therein. A hydraulic supply is connected to the housing. A supporting tube is arranged on the housing. The supporting tube is arranged between the housing and a base surrounding the threaded bolt and transmits tension forces acting in the housing to the base surrounding the threaded bolt. A pull nut to be fastened by threaded engagement on a threaded end portion of the threaded bolt is provided. The pull nut has a pressure face supported in longitudinal direction on a pressure transmission face of the piston. A return spring acting on the piston in a direction toward the supporting tube has a first end bearing against a housing-side spring support and a second end bearing against a piston-side spring support. | 06-26-2014 |
20150013502 | Tensioning device for expanding a threaded bolt - In a tensioning device for expanding a threaded bolt by a pull on its threaded end portion, a supporting tube surrounds the threaded end portion and a nut is screwed onto the threaded end portion. A cylinder is arranged in the prolongation of the supporting tube and has at least one piston movable therein in the longitudinal direction and connectable to a hydraulic supply. An interchangeable bush is screwable to the threaded end portion and is drivable axially by the piston. A gear arrangement for adjusting the nut is provided. Components of the gear arrangement are a driver element engaging externally on the nut and a drive shaft provided with an engagement structure for a drive tool. In this case, the axis of rotation of the drive shaft is arranged at an angle of preferably 90° to the longitudinal mid-axis of the piston. | 01-15-2015 |
20150314431 | Tensioning Device for Expanding a Threaded Bolt - A tensioning device for stretching a threaded bolt by applying tension to the threaded portion of the threaded bolt has a base and a support tube surrounding the threaded bolt and supported on the base. A cylinder housing is arranged as an axial extension on the support tube. A piston is moveably arranged in the cylinder housing and delimits together with an inner wall of the cylinder housing a hydraulic operating chamber. An interchangeable bush is rotatable relative to the piston and can be entrained axially by the piston. The interchangeable bush has an internal thread to establish a screw connection to the threaded portion. A device for path and/or position detection with first and second interacting elements is provided. The first element is fastened to the at least one piston and faces the cylinder housing. The second element is fastened to the cylinder housing and faces the piston. | 11-05-2015 |
Patent application number | Description | Published |
20100126592 | Safety Device for a High-Pressure Connector of a Hydraulic Device - A safety device on a high-pressure connector of a hydraulic device has a shield that surrounds the high-pressure connector and catches hydraulic liquid that escapes at high pressure. The shield has a housing surrounding seal-tightly a pressure medium distributor on the hydraulic device and has furthermore a protective pipe connected to the housing and surrounding a connecting nipple for a high-pressure hose conduit adapted to be coupled by a hose coupling. | 05-27-2010 |
20110048176 | Hydraulic Bolt Tensioning Device and Method for Tightening Large Bolts by Means of a Hydraulic Bolt Tensioning Device - A hydraulic bolt tensioning device has a cylinder supported on a machine part that is to be clamped by threaded bolt and nut. An exchangeable bushing has a first end screwed onto a free threaded end of the threaded bolt that projects past the nut. A tensioning piston is seal-tightly guided in the cylinder and supported on a second end of the exchangeable bushing. A pressure medium is supplied into an annular space between cylinder and piston. A control device is provided for setting a nominal pressure of the pressure medium corresponding to a nominal pretension of the threaded bolt. A yield limit detection device detects whether a yield limit of the threaded bolt is reached during tensioning. A controller acts on a pressure relief device for pressure relief of the bolt tensioning device when reaching, or shortly after reaching, the yield limit of the threaded bolt. | 03-03-2011 |
20110188960 | METHOD FOR TENSIONING SCREW BOLTS, AS WELL AS SCREW BOLT AND SCREW BOLT TENSIONING DEVICE FOR CARRYING OUT THE METHOD - This invention relates to a method for hydraulically tensioning screw bolts as well as to screw bolts and screw bolt tensioning devices for carrying out the method. It is proposed to apply the total pretensioning force for one part via an external thread and for the remaining part via an internal thread of the bolt end. | 08-04-2011 |
20110268534 | Segmented Nut for Screw Connections - A nut for screw connections has two substantially identically sized nut segments of a half-shell shape, wherein the nut segments each have an inner side provided with an inner thread segment defining together an inner thread. The nut segments are connected to each other so as to be moveable toward each other until the nut segments reach a closed position. The nut segments are maintained in the closed position by springs or a locking device. An actuating device is moveably arranged on at least one of the two nut segments for releasing the closed position, wherein the actuating device is adapted to manually actuated. | 11-03-2011 |
20130034407 | Segmented Nut for Screw Connections - A nut for screw connections has two substantially identically sized nut segments of a half-shell shape, wherein the nut segments each have an inner side provided with an inner thread segment defining together an inner thread. The nut segments are connected to each other so as to be moveable toward each other until the nut segments reach a closed position. The nut segments are maintained in the closed position by springs or a locking device. An actuating device is moveably arranged on at least one of the two nut segments for releasing the closed position, wherein the actuating device is adapted to manually actuated. | 02-07-2013 |
Patent application number | Description | Published |
20080286069 | Screwed Connection - A screwed connection has a threaded bolt; a nut; a washer arranged between the nut and a surface of a component to be clamped; a screwing device with a housing, a holding tool connected to the housing, and a tightening tool that engages positively the nut; a measuring element arranged in the washer for measuring a compressive force generated by tightening the screwed connection. The washer has an anti-rotation device oriented toward the surface of the component. The outer periphery of the washer is positive-lockingly engaged by the holding tool. The washer has no positive or frictional connection to the threaded bolt, and the holding tool has no torque supporting action on the threaded bolt or on any other part so that a reaction moment, generated when tightening the nut, is introduced from the housing of the screwing device through the washer into the component to be clamped. | 11-20-2008 |
20090162166 | Segmented Nut for Screw Connections - A nut for a screw connections has, in the circumferential direction, segments that are substantially of the same size, abut one another in separating planes, and are movably guided relative to one another between an open position and a closed position. Closing elements serve for movement of the segments toward one another into the closed position. In order to provide a segmented nut that is suitable for many applications in facility and apparatus engineering, the segments are pivotable relative to one another and connected for this purpose in a first end area in a pivotable way. The closing elements load the segments in the second end areas. | 06-25-2009 |
20090260485 | Method and Device for Controlling a Hydraulically Operated Power Wrench - In a method for controlling a hydraulic power wrench with a pivotable lever pivoted by a piston-cylinder unit and a ratchet arrangement for stepwise rotation of a ratchet bushing by advancing and return strokes, parameters such as nominal torque or pre-load or screw parameters are entered into an electronic input unit. Nominal pressure corresponding to the parameters is determined by an electronic evaluation unit and generated by the pump. The piston-cylinder unit is pressure-loaded for performing a pre-stroke until the nominal pressure is reached followed immediately by a return stroke. A time interval from beginning of pressure loading until reaching nominal pressure or until reaching an initial pressure after pressure relief is measured. Pressure loading and measuring are repeated. The measured time intervals are compared. Pressure loading cycles are stopped when at least the last measured time interval is shorter than at least the penultimate measured time interval. | 10-22-2009 |
20100126592 | Safety Device for a High-Pressure Connector of a Hydraulic Device - A safety device on a high-pressure connector of a hydraulic device has a shield that surrounds the high-pressure connector and catches hydraulic liquid that escapes at high pressure. The shield has a housing surrounding seal-tightly a pressure medium distributor on the hydraulic device and has furthermore a protective pipe connected to the housing and surrounding a connecting nipple for a high-pressure hose conduit adapted to be coupled by a hose coupling. | 05-27-2010 |
20110048176 | Hydraulic Bolt Tensioning Device and Method for Tightening Large Bolts by Means of a Hydraulic Bolt Tensioning Device - A hydraulic bolt tensioning device has a cylinder supported on a machine part that is to be clamped by threaded bolt and nut. An exchangeable bushing has a first end screwed onto a free threaded end of the threaded bolt that projects past the nut. A tensioning piston is seal-tightly guided in the cylinder and supported on a second end of the exchangeable bushing. A pressure medium is supplied into an annular space between cylinder and piston. A control device is provided for setting a nominal pressure of the pressure medium corresponding to a nominal pretension of the threaded bolt. A yield limit detection device detects whether a yield limit of the threaded bolt is reached during tensioning. A controller acts on a pressure relief device for pressure relief of the bolt tensioning device when reaching, or shortly after reaching, the yield limit of the threaded bolt. | 03-03-2011 |
20130034407 | Segmented Nut for Screw Connections - A nut for screw connections has two substantially identically sized nut segments of a half-shell shape, wherein the nut segments each have an inner side provided with an inner thread segment defining together an inner thread. The nut segments are connected to each other so as to be moveable toward each other until the nut segments reach a closed position. The nut segments are maintained in the closed position by springs or a locking device. An actuating device is moveably arranged on at least one of the two nut segments for releasing the closed position, wherein the actuating device is adapted to manually actuated. | 02-07-2013 |
20130292542 | LIFTING AND TRANSPORTING DEVICE - A lifting and transporting device for lifting a load and transporting the same transversely to the lifting direction includes a frame ( | 11-07-2013 |
20140000414 | Tensioning device for extending a threaded bolt | 01-02-2014 |
20140020515 | Tensioning device for extending a threaded bolt - A tensioning device for extending a threaded bolt by tensioning the threaded end section thereof is connectable to a hydraulic supply. The tensioning device has a supporting tube surrounding the threaded end section. A cylinder is arranged in continuation of the supporting tube and s piston is arranged in the cylinder and movable in longitudinal direction of the cylinder. An exchange socket is screwable to the threaded end section and configured to be carried along axially by the piston. A pin is movably arranged in the longitudinal direction and has a pin body with a first pin end supported in the longitudinal direction against the threaded end section of the threaded bolt. A sensing device senses a position of the pin in the longitudinal direction. An evaluation and control unit connected to the sensing device is acting on the hydraulic supply to enable the hydraulic supply. | 01-23-2014 |
20140165789 | Tensioning device for extending a threaded bolt, and tool suitable for this purpose, preferably drive adapter - A tensioning device for treaded bolts has a supporting tube and a cylinder with a hydraulic supply connected thereto. The supporting tube surrounds the threaded end section of the bolt. A piston is moveable in the cylinder longitudinally. An exchange socket is connected to the piston and driven axially by it. The exchange socket has a first end with internal thread to be screwed onto the threaded end section and a second end with an external polygon member. A tool attachable to the external polygon member enables turning of the exchange socket. The tool has a cup-shaped section having a first open end and an inner side with tool faces that engage the external polygon member. The tool has a drive section that is slimmer than the cup-shaped section and connected to a second end of the cup-shaped section. The drive section extends away from the cup-shaped section. | 06-19-2014 |
20140174262 | Tension device for straining a threaded bolt - A tension device for straining a threaded bolt by applying a pulling force on a threaded end portion has a housing and a piston moveably disposed therein. A hydraulic supply is connected to the housing. A supporting tube is arranged on the housing. The supporting tube is arranged between the housing and a base surrounding the threaded bolt and transmits tension forces acting in the housing to the base surrounding the threaded bolt. A pull nut to be fastened by threaded engagement on a threaded end portion of the threaded bolt is provided. The pull nut has a pressure face supported in longitudinal direction on a pressure transmission face of the piston. A return spring acting on the piston in a direction toward the supporting tube has a first end bearing against a housing-side spring support and a second end bearing against a piston-side spring support. | 06-26-2014 |
20150013502 | Tensioning device for expanding a threaded bolt - In a tensioning device for expanding a threaded bolt by a pull on its threaded end portion, a supporting tube surrounds the threaded end portion and a nut is screwed onto the threaded end portion. A cylinder is arranged in the prolongation of the supporting tube and has at least one piston movable therein in the longitudinal direction and connectable to a hydraulic supply. An interchangeable bush is screwable to the threaded end portion and is drivable axially by the piston. A gear arrangement for adjusting the nut is provided. Components of the gear arrangement are a driver element engaging externally on the nut and a drive shaft provided with an engagement structure for a drive tool. In this case, the axis of rotation of the drive shaft is arranged at an angle of preferably 90° to the longitudinal mid-axis of the piston. | 01-15-2015 |
20150314431 | Tensioning Device for Expanding a Threaded Bolt - A tensioning device for stretching a threaded bolt by applying tension to the threaded portion of the threaded bolt has a base and a support tube surrounding the threaded bolt and supported on the base. A cylinder housing is arranged as an axial extension on the support tube. A piston is moveably arranged in the cylinder housing and delimits together with an inner wall of the cylinder housing a hydraulic operating chamber. An interchangeable bush is rotatable relative to the piston and can be entrained axially by the piston. The interchangeable bush has an internal thread to establish a screw connection to the threaded portion. A device for path and/or position detection with first and second interacting elements is provided. The first element is fastened to the at least one piston and faces the cylinder housing. The second element is fastened to the cylinder housing and faces the piston. | 11-05-2015 |
Patent application number | Description | Published |
20100117016 | Solenoid valve - The invention relates to a solenoid valve that is to be mounted leaktight and in a simple manner. Provided according to the invention is a first housing part with a tool engagement portion for screwing of a second housing part into an inner thread of a receptacle. The two housing parts are joined immovably to each other. The first housing part has a tensile strength that is greater than a tensile strength of second housing part. | 05-13-2010 |
20110114047 | CAMSHAFT INSERT - The invention relates to a camshaft insert for a camshaft, which can be, in particular, a composite camshaft. In this case, the camshaft insert bears an oscillating motor adjuster. An accumulator that can be loaded by means of a spring force is disposed inside camshaft insert. Alternatively, the accumulator can also be disposed in the camshaft. | 05-19-2011 |
20110266479 | Hydraulic valve - The invention relates to a hydraulic valve for oscillating-motor camshaft adjuster The valve has a bush and a hollow piston with a piston bottom. The piston is axially movable within the bush by means of an actuator against the force of a screw-type pressure spring. The actuator is applied to the piston bottom. A sleeve secured in the bush is disposed inside the hollow piston and can be displaced relative to the piston. The wall of this sleeve has at least one through-opening, which leads to at least one opening of the hollow piston, which opening can guide a supply pressure (P) applied inside the sleeve alternatively to two sets of pressure chambers of the oscillating-motor camshaft adjuster. The sleeve has a sleeve bottom that seals off the inside space of hollow piston. | 11-03-2011 |
20150330267 | CAM PHASER WITH ELECTROMAGNETICALLY ACTUATED HYDRAULIC VALVE - A cam phaser including an electromagnetically actuated hydraulic valve; and a hollow piston inserted in a borehole and longitudinally movable by an electromagnet so that a hydraulic fluid is distributed to operating connections associated with pressure cavities of the cam phaser, wherein a first operating connection branches off from a borehole directly adjacent to the electromagnet, wherein the hollow piston includes a circumferential bar with a control edge oriented towards the electromagnet so that a cavity within the borehole is defined on one side by the circumferential bar and on another side by the electromagnet, wherein a drain opening extends from the cavity, wherein the drain opening hydraulically connects the cavity with a drain channel leading towards a tank drain, wherein the bar is movable into a direction expanding the first operating connection in the flow cross section by a force of the electromagnet that is loaded with electrical current. | 11-19-2015 |
Patent application number | Description | Published |
20100289448 | Induction Charging Device - An induction charging device for charging an energy accumulator of a mobile electric device is provided. The device includes a coil for energy transmission; and a control for energy transmission. The control is connected to a capacitor with a modifiable capacitance, and the capacitor is designed such that its capacitance changes as a function of whether the mobile electric device is in a charging position or not. | 11-18-2010 |
20110012432 | CIRCUIT ARRANGEMENT AND METHOD FOR INDUCTIVE ENERGY TRANSFER - A method and a circuit arrangement for the inductive transfer of energy with an oscillator and a device to detect the inductive load of the oscillator, and to modify a damping element in the oscillator depending on the load of said oscillator. | 01-20-2011 |
20110197455 | METHOD FOR DETERMINING THE DIRTINESS OF AN ELECTRICALLY DRIVEN CUTTING TOOLS , AND HAIR CUTTING DEVICE - The invention pertains to a method for determining the dirtiness of a cutting tool and to a hair cutting device with an apparatus for determining the dirtiness of the cutting tool thereof. The method is intended for cutting tools that carry out a back and forth motion and are driven by an oscillating electric motor or linear motor. In order to determine the dirtiness in accordance with said method, a parameter is evaluated that is correlated with the respective state of motion of the cutting tool and used for controlling the oscillating electric motor or linear motor. Parameter changes are continuously measured and cause a dirtiness counter to count up if the parameter value exceeds at least one threshold value. The fact that the count of the dirtiness counter has reached or exceeds a reference value is then conventionally indicated. | 08-18-2011 |
20120105044 | Circuit Arrangement And Method For Inductive Energy Transfer - A circuit arrangement for the inductive transfer of energy is disclosed. The circuit arrangement includes an oscillator; a power supply for supplying the oscillator with energy and having a complex input resistance; and a device for detecting the inductive load of the oscillator and for modifying the complex input resistance of the power supply depending on the load of the oscillator. | 05-03-2012 |
20120112845 | Circuit Arrangement For Inductive Energy Transfer - A circuit arrangement for the inductive transfer of energy is disclosed. The circuit arrangement includes an oscillator; and a device for detecting the load of the oscillator and for setting the circuit arrangement into one of multiple operating states depending on the detected load. The device determines the load of the oscillator using an electrical variable occurring in the oscillator. | 05-10-2012 |