| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 285331000 | Annular socket | 34 |
| 20080238094 | Oilfield Threaded Connection - A threaded connector | 10-02-2008 |
| 20080258462 | COMPONENT CONNECTING STRUCTURE - A component connecting structure includes a first component having a flange portion, a second component having a flange portion, and a clip for holding the flange portions in a butted state. The clip formed into a generally polygonal shape has a spring body having first and second circumferential end portions overlapped with each other in a diameter reduced free state. The spring body has slits for inserting the flange portions butted against each other in the diameter reduced free state. The first and second circumferential end portions have a temporary engaging protrusion and a temporary engaging ledge, respectively. The temporary engaging ledge is engaged with the temporary engaging protrusion to hold a diameter expanded state of the spring body. | 10-23-2008 |
| 20080265575 | Liquid and Gas Tight Threaded Tubular Connection - A liquid and gas tight threaded tubular connection. A first axial abutment surface formed at the free end of an annular lip of a threaded male element and a second axial abutment surface formed at the end of a housing of a threaded female element have same axial half-sections, the inclination of which varies progressively in the radial direction. Such a configuration of the axial abutment surfaces optimizes radial thrust exerted on the end of the lip depending on its thickness, to obtain an increased radial interference between the respective sealing surfaces of both elements. Such a connection may find application to hydrocarbon wells, for example. | 10-30-2008 |
| 20080277930 | Pipeline Closing Apparatus - A pipeline closing apparatus comprises a lid member attachable to a downstream end portion of a sluice valve, a first control shaft extending through the lid member, a second control shaft extending through the first control shaft, an elastic annular member disposed between pressing plates provided on inward end regions of the control shafts and elastically deformable to a diameter-increased position by being clamped and pressed, thereby to block between an inner peripheral surface of a branch pipe and the pressing plates, and a retaining device. The retaining device includes engaging link pairs flexing and bulging to a diameter-increased position in response to outward sliding movement of the second control shaft relative to the first control shaft. The apparatus further comprises a reversal preventing device F which contacts and limits the engaging link pairs to an outwardly bent position where flexing pivotal portions of the engaging link pairs project radially outward. | 11-13-2008 |
| 20080296893 | Hose assembly with anti-rotational coupling and crimping section - A flexible hose assembly is disclosed. The flexible hose assembly has a first coupling member with a first anti-rotational element on a first end and a crimping element on a second end, the crimping element being configured to receive a first flexible hose. The flexible hose assembly also has a second coupling member with a second anti-rotational element on a first end, the second anti-rotational element being configured to mate with the first anti-rotational element. The flexible hose assembly also has a clamping ring configured to retain the first ends of the first and the second coupling members together. | 12-04-2008 |
| 20090015008 | Flared brake tube connector - A fluid connector assembly comprising (a) a connector body having an inner concave seat having a portion defining a frustoconical surface; (b) an elongate tube having a flared end; and (c) a nut; wherein the connector body is adapted to receive the elongate tube and the nut to form a substantially rigid connection, and wherein the flared end of the tube and the frustoconical surface of the seat are engaged so as to form a fluid seal between the body and the tube; and wherein the flared end has a portion defining an abutment surface having a borderline region in abutment with the frustoconical surface of the inner seat of the body; and wherein the abutment surface of the flared end is a spherical surface. | 01-15-2009 |
| 20090066081 | Connecting structure between fluid device and joint - The present invention relates to a connecting structure between a fluid device and a joint in which a peripheral portion of a fluid supply/discharge passage in a fluid device, and a fluid joint are fittingly coupled to each other, whereby a functional component which allows a fluid flowing between the fluid device and the joint to pass through the functional component, and which exerts an action on the fluid is interposed between the peripheral portion and the joint in a state where the functional component is sealed both by the peripheral portion and the joint, and an annular groove and annular projection which are fitted to each other to constitute a sealing portion in a state where the fluid device and the joint are fittingly coupled to each other are formed in the fluid device and the joint, respectively. | 03-12-2009 |
| 20090085349 | DUCT SYSTEMS AND RELATED METHODS - A juncture assembly between first and second tubes includes first and second flanges formed at the ends of the tubes. The flanges include respective legs in a confronting relationship and defining a gap between them. A gasket member contacts the flanges and is configured to prevent travel of fluids through the gap. The gasket member may, for example, be disposed in the gap between the first and second legs. | 04-02-2009 |
| 20090174182 | FLUID CONDUITS WITH INTEGRAL END FITTINGS AND ASSOCIATED METHODS OF MANUFACTURE AND USE - Fluid conduits for plumbing and other uses having integral end fittings are disclosed herein. A fluid conduit configured in accordance with an embodiment of the disclosure includes a tube, such as a copper tube, having an end portion adjacent to a body portion. The body portion has a first wall thickness and the end portion has a second wall thickness that is greater than the first wall thickness. The fluid conduit also includes a seal positioned in an annular groove formed in an interior surface of the end portion. In this embodiment, the tube can be joined to another tube by at least partially compressing the end portion around a portion of the other tube. | 07-09-2009 |
| 20090295153 | PIPE COUPLING ASSEMBLY - A coupler assembly ( | 12-03-2009 |
| 20100019489 | TWISTABLE HYDRAULIC BRAKE HOSE UNIT - A twistable hydraulic hose joint basically has a hydraulic hose, an O-ring and a fixing bolt. The hydraulic hose includes a connectable end, a distal end, a center passageway extending between the connectable and distal ends, and an abutment part extending radially from an outer surface of the hydraulic hose adjacent the connectable end of the hydraulic hose. The O-ring is disposed on an outer surface of the hydraulic hose between an end face of the connectable end and the abutment part. The fixing bolt includes an external surface with an externally fixed portion and an internal bore. The internal bore has first and second bore sections disposed around the connectable end with the second bore section being smaller than the first bore section to form an abutment surface that faces in an axial direction of the internal bore to abut against the abutment part of the hydraulic hose. | 01-28-2010 |
| 20100148500 | Rotating connector - A connector for connecting the end of a chemical tube, a blood tube or a tracheal tube inserted to a human body with that of an external circuit. The connector comprises a male terminal part ( | 06-17-2010 |
| 20100156098 | TUBE NUT ASSEMBLY - A tube nut includes a first member and a second member. The first member is threaded and defines a first hole. The second member is selectively rotatable with respect to the first member and defines a second hole. A tube or pipe extends through the first and second holes. The rotation of the first member in a threaded hole causes an axial load on the second member and the tube to urge the tube against a seat to provide a seal between the tube and a fluid passage. Relative rotation between the first and second members reduces or eliminates torsional strain on the tube. | 06-24-2010 |
| 20100194106 | PIPE FOR A PIPELINE COMPRISING A PLURALITY OF PIPES TO BE CONNECTED TOGETHER, AND METHOD OF CONNECTING PIPES OF THIS KIND - The pipes according to the invention are distinguished by the fact that they allow a joint to be made without any welding, and sealing rings can be dispensed with when this is done. The pipe according to the invention has an outer coupling portion ( | 08-05-2010 |
| 20100237611 | Hose and Connector Assembly Having Greater Strength - A hose and connector assembly includes a connector, a hose having an end portion inserted into the connector and a fastening member mounted in the end portion of the hose and abutting the connector. The connector has a first mounting hole, a mounting hole and a stepped portion located between the first mounting hole and the second mounting hole. The end portion of the hose has a periphery provided with a stop flange abutting the stepped portion of the connector. The fastening member has a periphery provided with a limit flange abutting the stop flange of the hose. Thus, the end portion of the hose is sandwiched between the connector and the fastening member to enhance the combination strength of the hose and the connector. | 09-23-2010 |
| 20100253075 | Sanitary Retainer - Disclosed herein is a retainer for connecting a pair of sanitary fittings each having a first end and a second end, the second ends each having a flanged portion. The retainer includes a first member having a through center aperture, the first member adapted to receive at least a portion of each of the flanged portions and a second member having a through center aperture and engageable over the first member, the second member adapted to provide a compressive force to sealingly connect the flanged portions when the first and second members are in an assembled configuration. | 10-07-2010 |
| 20100259041 | Pipe connecting structure - A pipe connecting structure has a slipping holding section having a reduced diameter on one end of a pipe, the slipping holding section has therein a connecting block provided with a screw rod of which the front end protrudes outwards; and the structure has a slipping holding hole provided on one end of another pipe in cooperation with the slipping holding section, the slipping holding hole also has therein a connecting block having a screw hole in cooperation with the screw rod of the former connecting block, thereby, when the two pipes are assembled with each other, not only the slipping holding section is slipped in the hollow slipping holding hole, but also the screw rod is screwed in the screw hole to make the two pipes be connected more firmly against dropping off, and to make the two pipes he connected easier and more convenient to make an effect of being stiffly erect against tilting after assembling, and the whole pipe connecting structure is more valuable in practical use. | 10-14-2010 |
| 20100320753 | METHOD OF MANUFACTURING A PIPE COUPLING COMPONENT, METHOD OF MANUFACUTRING A CASING STRUCTURAL MEMBER, AND PIPE COUPLING STURCTURE FOR A HOLLOW PART - In a first step of this method, a first intermediate product | 12-23-2010 |
| 20110042945 | Dual Purpose Dimple for HVAC Circular Ductwork - This invention relates to sealing HVAC ductwork along its joints in order to reduce air leakage. The ductwork can be sealed by the combination of a gasket and mechanical locking mechanism. | 02-24-2011 |
| 20110204623 | PIPE CONNECTION ARRANGEMENT - A pipe connection arrangement for the connection of pipelines, in particular of motor vehicle pipelines to a connection element, wherein a connection fitting is provided which encompasses the pipeline to be connected in the region of one of its pipeline ends and which, with a front side press surface of a of a rear side surface facing a flange connected to the pipeline end. The flange exhibits a sealing surface on its front side, wherein the sealing surface can be pressed by means of an axial movement of the connection fitting to a contact surface of the connection element or to a second sealing surface of a second flange of a second pipeline, wherein a stop element is arranged between the contact fitting and contact surface of the connection element and wherein this stop element limits or interrupts the axial movement of the connection fitting | 08-25-2011 |
| 20110248495 | CONNECTOR AND METHOD OF MAKING A CONNECTION - A connector ( | 10-13-2011 |
| 20110272939 | PNEUMATIC SEED DISTRIBUTION HOSE COUPLING ASSEMBLY - In an embodiment, a hose coupling assembly includes a collet including a head and an axial protrusion extending from the head in a first axial direction. The axial protrusion is configured to engage a hose while the axial protrusion is in a locked position, and to disengage the hose while the axial protrusion is in an unlocked position. The hose coupling assembly also includes a housing disposed about the axial protrusion and configured to receive the hose. An inner surface of the housing is shaped to enable movement of the axial protrusion toward the unlocked position in response to movement of the axial protrusion in the first axial direction, and to drive the axial protrusion toward the locked position in response to movement of the axial protrusion in a second axial direction, opposite the first axial direction. | 11-10-2011 |
| 20110272940 | CONNECTOR FOR SPOOLABLE MEDIA - A connector ( | 11-10-2011 |
| 20110304137 | CONDUIT COUPLING APPARATUS AND METHOD - A coupling for conveying fluid between a component of a fluid system and an insertion end of a conduit is disclosed. Methods of manufacturing the coupling are also disclosed. A support member is rotatably disposed within the coupling. The support member also encloses one quadrant of the annular recess that receives an O-ring. Tapered inward protrusions of the coupling facilitate centering of a conduit within the coupling. | 12-15-2011 |
| 20120013121 | FLUID CONNECTION FOR REDUCING A FLUID VOLUME IN THE CONNECTION - A fluid connection for reducing a volume in this connection is disclosed herein. The connection includes a first connector having a first body encircling a first bore, the first body having a first sealing surface (and a second connector having a second body encircling a second bore, the second body having a second sealing surface to form a tight connection with the first sealing surface. The connection also includes a volume between the first and second connector and a protrusion in one of the first and second body. The connection further includes a cavity in a remaining one of the first and second body and which cavity is receiving the protrusion separating the volume into a first volume and a second volume, which is at a distance from the first volume. | 01-19-2012 |
| 20120104751 | TUBULAR JOINT HAVING WEDGE THREADS WITH SURFACE COATING - A threaded joint for pipes includes a pin member and a box member, the pin member having an external thread configured to correspond to an internal thread of the box member, a thread form of the internal and external threads having generally dovetail-shaped profile with stab flanks and load flanks and flat roots and crests, wherein the internal threads are increasing in width in one direction on the box and the external threads are increasing in width in the other direction on the pin, so the roots, crests, and flanks of the threads move together and form seals that resist the flow of fluids between the seals. The threaded joint further includes a fluoropolymer-based coating applied to specific regions of the internal and external threads and a resin coating disposed in regions of the internal and external threads that are devoid of the fluoropolymer-based coating, wherein the fluoropolymer-based coating and the resin coating are configured to form a layer of substantially uniform thickness on the overall surface of the internal and external threads. | 05-03-2012 |
| 20120205908 | PLUG CONNECTION AND PIPE SECTION FOR A DRILL PIPE - A plug connection for connecting two pipe sections of a drill pipe has a connecting plug on one end of a first of the pipe sections and a connecting bushing on one end of the second pipe section. The connecting plug and the connecting bushing have helical meshing guide projections and/or guide grooves. A pipe section for a drill pipe has on one of its ends a corresponding connecting plug and on the other end a corresponding connecting bushing. | 08-16-2012 |
| 20120228872 | FITTING COMPONENT, FERRULE AND NUT - This invention concerns a fitting component for receiving a tube. The tube has a tube end inserted through a ferrule, the portion of the tube end extending beyond the ferrule being called a pilot. The fitting component comprises a body including a cavity for receiving the tube end and the ferrule. The cavity is defined by an inner lateral wall and opens on an extremity of the body. The cavity includes a pilot receiving section and a channel connecting the cavity to another portion of the body. A radial annular flange is located at the interface of the pilot receiving section with the channel. The flange has an annular sealing lip protruding towards the cavity. The sealing lip is for forming a seal with a radial surface of the pilot, advantageously reducing dead volumes within the fitting component when in use. | 09-13-2012 |
| 20120248764 | CONDUIT COUPLING APPARATUS AND METHOD - A coupling for attachment to a conduit having an insertion end is disclosed. An outer surface of the insertion end of the conduit may be smooth and free of grooves, flanges and beads. A first member defines a first passageway. A second member defines a second passageway. The first member may be in spin weld engagement with the second member. A gripping ring having an inner edge defining a series of teeth may be disposed within the second member. A support ring and O-ring may also be disposed within the second member. | 10-04-2012 |
| 20120261915 | SUCTION LINE COUPLING FOR EMERGENCY VEHICLES - A coupling for a suction line having a corrugated outer surface defining a valley between the corrugations used in connection with an emergency vehicle, the coupler comprising a collar having an inner surface, an internal projection formed on the inner surface of the collar and adapted to be received in the valley of the suction lines to restrict axial movement of the suction line relative to the collar, a receiver formed in the collar axially outward of the internal projection, a shank having a first portion adapted to he inserted within the suction line and a second portion extending outward of the first portion, wherein the second portion is adapted to attach the hose shank to the emergency vehicle, a flange extending radially outward between the first portion and the second portion, and a fastener adapted to selectively extend from the receiver radially inward relative to the flange when located axially outward of the flange. | 10-18-2012 |
| 20120267891 | Connecting Socket for Filter Hoses - A connecting socket for a filter hose has an inner part having a first contact surface extending in circumferential direction on the inner part and an outer part having a second contact surface extending in circumferential direction on the outer part. A contact section of a filter hose is contacting the first and second contact surfaces when secured on the connecting socket. The outer part has an outer sleeve that is pushed onto the inner part such that the contact section of the filter hose is clamped between the first and second contact surfaces. | 10-25-2012 |
| 20130043677 | TUBE AND PIPE END CARTRIDGE SEAL - Described is a sealing system for use at high pressure. End-face seals minimize the sealing radius and therefore allow various fittings—including known ferrule fittings—to be used in high-pressure systems. End-face seals at such high pressure may require smooth surfaces. In order to reduce cost, an end-face preparation tool forges a dimple into the end face to mechanically deform and smooth the surface. | 02-21-2013 |
| 20130193683 | HIGH PRESSURE FITTING - A fitting assembly for a high pressure system includes a tube assembly including a tube having an undercut near a first end. A gland is slidably coupled around the tube and has an exterior threaded surface. The gland forms a gland cavity adjacent an exterior surface of the tube. A spring collar is also slidably coupled around the tube between the gland and the first end of the tube such that a portion of the spring collar is disposed within the gland cavity. The fitting body has an inlet passage and a fitting cavity for receiving an end of the tube assembly. The open end of the fitting cavity has a threaded surface forming a threaded engagement with the threaded surface of the gland. This threaded engagement creates a primary and secondary seal in the fitting assembly. The secondary seal applies a force to the threaded engagement. | 08-01-2013 |
| 20160074089 | UNIVERSAL ADAPTOR FOR GAS SCAVENGING SYSTEMS - An adapter for putting two incompatible medical systems in fluid communication with each other. The adapter may have a continuous outer diameter and may include two segments: a first segment composed of a rigid material and including a first portion and a second portion, the first portion having a continuous outer diameter and the second portion defining one or more flanges, the first segment defining a first passage therethrough; and a second segment composed of a flexible material and coupled to the first segment, including a first portion and a second portion. The first portion of the second segment may have an inner surface configured to surround the flanges of the second portion of the first segment, and the second portion of the second segment having a tapered inner surface, the second segment defining a second passage therethrough that is continuous with the first passage. | 03-17-2016 |
