Class / Patent application number | Description | Number of patent applications / Date published |
156580100 | With sonic or ultrasonic means | 38 |
20090056882 | Welding arrangement for plastic components - The welding arrangement for plastic components comprises a base member ( | 03-05-2009 |
20090272498 | Horn-holder pivot type bonding apparatus - A horn-holder pivot type bonding apparatus including a horn holder for holding an ultrasonic horn, and a motor for driving the horn holder to pivot, with an imaginary pivot point of the horn holder being positionally fixed on a bonding surface. The motor is provided substantially in the center of the upper portion of the horn holder. The horn holder is formed with circular arc sections in the forward and rearward portions with respect to the imaginary pivot point; and a bonding head has, at portions corresponding to the circular arc sections of the horn holder, forward and rearward cams so that the cams are pivotable by supporting shafts. The forward and rearward cams have circular arc sections that contact the circular arc sections of the horn holder, the circular arc shape of the circular arc sections of the forward and rearward cams being centered on the supporting shafts. | 11-05-2009 |
20100006235 | Ultrasonic Welding Device - An ultrasonic welding assembly is disclosed. The assembly includes an ultrasonic welder having nodal horn support for improving transmission of transducer energy to the weld comprising an acoustical tool having a horn; a weld tip on the end of said horn; and at least two nodal mounts which are in contact with and axially and radially support said horn. The horn self-aligns in housing by sitting a housing-key within a keyway in the horn. The weld tip self aligns by sitting the keyed tip in a keyway of the horn. | 01-14-2010 |
20110030902 | DEVICE FOR SUPPORTING COUNTER-ROTATING ELEMENTS - A support device | 02-10-2011 |
20110042014 | Ultrasonic Oscillating Unit with Holder - The present invention concerns an ultrasonic oscillating unit comprising a converter and a sonotrode ( | 02-24-2011 |
20110186238 | VIBRATION WELDING APPARATUS - A vibration welding apparatus vibrates a vibration-side processing member in a state in which the vibration-side processing member comes into pressure-contact with a fixing-side processing member, and the vibration-side processing member and the fixing-side processing member are welded. The vibration welding apparatus includes a first clamp unit configured to clamp the processing member on the vibration side, a second clamp unit configured to clamp the processing member on the fixing side, a vibration unit configured to vibrate the first clamp unit, and a release unit configured to release a state in which the first clamp unit clamps the vibration-side processing member. The first clamp unit moves a pressing member with elastic force of an elastic member, and presses the vibration-side processing member to clamp the vibration side processing member, and the release unit is disposed independently of the first clamp unit, and separates the vibration-side processing member pressed under the elastic force of the elastic member from the first clamp unit. | 08-04-2011 |
20110220292 | SYSTEM FOR ENHANCING SONOTRODE PERFORMANCE IN ULTRASONIC ADDITIVE MANUFACTURING APPLICATIONS - An ultrasonic welding assembly, comprising: a sonotrode having a single welding region and two nodal regions formed on either side of the welding region; a mounting plate for supporting the sonotrode having a force application region on the upper surface thereof; at least one ultrasonic transducer connected to the sonotrode; at least one diaphragm spring disposed between the ultrasonic transducer and the sonotrode; at least one roller bearing connected to the diaphragm spring; at least two linear guides connected to the roller bearing, wherein the at least two linear guides are connected to the mounting plate and support the roller bearing and the sonotrode in a flexible manner; and first and second low-friction linear bearings in contact with nodal regions for the application of downward force to the sonotrode, wherein the first and second linear bearings are connected to the mounting plate. | 09-15-2011 |
20110284169 | ULTRASONIC WELDING ASSEMBLY AND METHOD OF ATTACHING AN ANVIL TO A BRACKET OF THE ASSEMBLY - An ultrasonic welding assembly having an ultrasonic horn and an anvil having first, second, and third plate portions is provided. The third plate portion is coupled between the first and second plate portions. The first plate portion has a first knurled region on a first side disposed proximate to the ultrasonic horn, and the second plate portion has a second knurled region on a second side. The third plate portion has a first aperture extending therethrough. The assembly includes a bracket that receives the second side of the anvil for holding the anvil thereon. The bracket has a second aperture that aligns with the first aperture, such that a coupling member extending through the first and second apertures removably couples the anvil to the bracket. | 11-24-2011 |
20120061027 | SYSTEM FOR ENHANCING SONOTRODE PERFORMANCE IN ULTRASONIC ADDITIVE MANUFACTURING APPLICATIONS - An ultrasonic welding assembly, comprising a sonotrode, wherein the sonotrode further includes at least one welding region and at least one node adjacent to the welding region; a mount for supporting the sonotrode, wherein the mount further includes a force application region; at least one ultrasonic transducer connected to the sonotrode for transmitting acoustic vibrations to the at least one welding region; at least one roller connected to the sonotrode in a flexible manner for permitting rotation of the sonotrode about its axis; a device for maintaining axial alignment of the sonotrode relative to a target welding area; and a low-friction bearing in contact with the at least one node for the application of force thereto, wherein the at least one low-friction bearing is connected to the mount. | 03-15-2012 |
20120073762 | Device For Processing A Packing Material Using Ultrasound - A device is proposed comprising at least one bearing shield ( | 03-29-2012 |
20120097339 | Sonotrode and anvil energy director grids for narrow/complex ultrasonic welds of improved durability - A specially designed sonotrode and anvil are adapted to be used in combination for ultrasonic welding of work pieces, to produce a narrower weld region, but one exhibiting greater durability, thereby permitting use of less packaging material. The contact surfaces comprise a surface of the anvil having a plurality of energy directors, where the plurality of energy directors are arranged into a three-dimensional grid pattern to be capable of distributed vibration-transmissive contact. The energy directors may comprise a series of plateau surfaces being regularly spaced apart from each other in a first direction, and in a second direction that is orthogonal to the first direction, to form the grid pattern. The rectangular-shaped plateaus may be spaced apart by valleys. Engagement of the energy directors of the anvil with the corresponding surface of the sonotrode may cause minor elastic deformation of work pieces positioned therebetween prior to ultrasonic welding. | 04-26-2012 |
20120145330 | Joining Device for Joining Two Workpieces Having Either a Pivotable Stamp or a Pivotable Supporting Table - There is described a joining device ( | 06-14-2012 |
20120285626 | LONGITUDINAL CONTINUOUS WELDING DEVICE FOR PACKAGING MACHINES - A longitudinal continuous welding device for packaging machines includes structural features aimed at enabling it to act continuously on opposite sides of layers of material to be welded, joining and welding them continuously, as they pass through the inside of the welding device, while the device remains static, without the possibility of movement in the direction in which the layers of material to be welded advance. | 11-15-2012 |
20130240152 | HOLLOW TIP WELDING TOOL - Embodiments of the present invention relate to a hollow-tipped ultrasonic welding and vacuum tool. The tool is comprised of a horn coupled to a converter for transferring an ultrasonic mechanical vibration to a part-contacting distal end of the horn. The horn is comprised of a vacuum channel that extends from an exterior surface of the horn through an interior portion of the horn to the part-contacting distal end of the horn. The vacuum channel may provide a channel through which a vacuum force may be focused to a part that is to be positioned and welded with a common part-contacting surface. | 09-19-2013 |
20130284379 | System and Method for Mounting Ultrasonic Tools - An ultrasonic tool having a sonotrode having a single weld region and two nodal regions formed on either side of the weld region. Two rigid mount boosters are each coupled to either side of the weld region. One transducer is coupled to one of the rigid mount boosters. Two ultrasonic stack mounting rings are each configured to be coupled to a housing assembly at a non-nodal region and coupled to one of the rigid mount boosters at a nodal region. | 10-31-2013 |
20140083622 | SONOTRODE HOLDER - A sonotrode holder for the oscillatable fastening of a sonotrode at a carrier is provided, wherein a direction of oscillation extends from the carrier to the sonotrode and the sonotrode holder has at least one oscillating body having at least one cut-out and the oscillating body is connected to the sonotrode at one end and has a mount which is configured for fastening at the carrier. | 03-27-2014 |
20140083623 | Ultrasonic Welding Device with Rotary Coupler - The present invention relates to an ultrasonic welding device with a generator for generating a high-frequency a.c. voltage, a converter for converting the a.c. voltage into a mechanical ultrasonic vibration and a sonotrdoe for transmitting the ultrasonic vibration to material to be worked, wherein the converter and the sonotrode are rotatable and a rotary coupler is arranged between the generator and the converter for the transmission of electrical energy from a static arrangement to a rotating arrangement, comprising a stationary element and an element that is rotatable in relation to the stationary element, wherein the stationary element comprises a primary circuit with two input terminals, which are connected to each other by means of a second coil with M turns, wherein the first and second coils are arranged in such a way that, when an a.c. voltage is applied to the input terminals, the magnetic field generated by the first coil induces an a.c. voltage in the second coil. | 03-27-2014 |
20140238615 | ULTRASONIC COLLET HORN FOR ULTRASONIC WELDER - An ultrasonic collet horn for an ultrasonic welder has a body and a collet over which a replaceable horn tip is receivable. The collet has a plurality of axial slits therein that divide the collet into sections and a tapered axially extending bore that tapers outwardly as it extends axially outwardly. The body has a threaded bore that is threadably engageable with a threaded inner section of a collet lock. The sections of the collet are forced outwardly against an inner wall of the horn tip when the horn tip is received on the collet and the collet lock tightened into the threaded bore to secure the horn tip on the collet. | 08-28-2014 |
20140338841 | Apparatus for Linear Friction Welding - The linear friction welding (LFW) apparatus of this invention, in various embodiments includes a vibrating assembly or assemblies, which simultaneously vibrates both work pieces along the weld axis during the weld process. In one embodiment, separate vibrating assemblies are used to vibrate each work piece along the weld axis relative to each other. Each vibrating assembly has its own oscillator mechanism with motors and cams that can be moved into and out of phase with that of the other vibrating mechanism to generate the relative movement between the work pieces. In another embodiment, the apparatus includes a vibrating assembly that uses a single oscillator and two sets of rocker arms supporting carriages operatively connected by a linkage mechanism to simultaneously vibrate both work pieces along the weld axis. | 11-20-2014 |
20150107780 | Pedestal-Mounted Ultrasonic Welding Device - The sonotrode and anvil of co-pending application Ser. No. 12/925,652, for advanced ultrasonic welding of work pieces, are readily incorporated into new form-fill-seal machines, but existing machines with heat-seal stations pose difficult problems for swapping of the sealing packages. Kits enabling heat station replacement, with the further improved sonotrode and anvil disclosed herein, comprise: a housing; a linear rail fixed thereto; anvil and sonotrode support members; and a parallel gripper. Each of the anvil and sonotrode support members is slidably attached to the rail(s) and are also connected to a respective piston of the gripper, permitting actuation of each through cycling of the gripper pistons. The improved sonotrode/anvil combination each comprise a corresponding plurality of energy directors arranged into a three-dimensional grid pattern to produce a narrower weld region, but one exhibiting greater durability; thereby permitting use of less packaging material, and which may also weld a company logo into the workpieces. | 04-23-2015 |
20150107781 | Retrofit of a Form-Fill-Seal Machine Heat Station with an Advanced Ultrasonic Welding Kit - Advanced ultrasonic welding components of co-pending application Ser. No. 12/925,652 are readily incorporated into new form-fill-seal machines, but owners of existing machines utilizing heat-seal stations were unsuccessful at swapping the sealing packages. Retrofit kits to a replace heat sealing station with an advanced ultrasonic sonotrode and anvil comprise: a housing; a linear rail fixed thereto; first and second bearing carriages being slidable upon the rail; and first and second fluidic muscles. Each of the fluidic muscles is mounted with a first end fixed to a respective housing wall, and a second end fixed to a respective bearing carriage, permitting actuation of each carriage through pressurization and depressurization of the muscles. The advanced anvil and sonotrode may be secured to respective carriages. In-line arrangements of anvil/sonotrode, bearing carriages, the first fluidic muscle, and the second fluidic muscle provides a narrow profile, permitting side-by-side kit installations for retrofits accomplishing duplex sealing on a horizontal machine. | 04-23-2015 |
20150306816 | ULTRASOUND WELDING DEVICE COMPRISING VIBRATION-DECOUPLED COUNTER TOOL - The invention relates to an ultrasound welding device ( | 10-29-2015 |
20160001499 | Ultrasonic Sealing of Packages - A method and apparatus for sealing films. In one embodiment the sealing device comprises a horn and an anvil. The film has a standard portion and an increased portion. Increased energy is applied to the film in the increased portion compared to the energy applied to the standard portion. Such a method allows for sealing of varying number of layers. | 01-07-2016 |
20160176563 | TOOLING FOR ULTRASONIC TUBE SEALER FOR SEALING AN END PORTION OF A TUBE TO HAVE A ROUNDED CONFIGURATION | 06-23-2016 |
156580200 | Specified structure of sonic or ultrasonic work contacting surface | 14 |
20080251214 | FACE MASK MANUFACTURING MACHINE - A face mask manufacturing machine includes a platform, a first-side edge fusion module, a second-side edge fusion module, a folding device, and a center line fusion module. The first-side and second-side edge fusion modules and the center line fusion module each comprise a pneumatic cylinder, which is operatively coupled to automatic control facility for carrying out automatic operation to thereby reduce the labor needed for operating fusion facility and enhance manufacturing efficiency. | 10-16-2008 |
20090032198 | Rotary Ultrasonic Sealer - An ultrasonic sealer comprising a hollow shaft ( | 02-05-2009 |
20100147466 | ULTRASONIC HEAD AND TRANSDUCER FOR ULTRASONIC SOLDERING OF PLASTICS - An ultrasonic transducer to which there is coupled a sonotrode or an end part with a portion functioning as a sonotrode, provided to vibrate according to a direction which can be oriented in relation to a working surface where there are plastics to be welded arranged under a free end of the sonotrode, the sonotrode internally defining a first conduit for the circulation of a cooling fluid and which exits to the exterior through the free end, and the head having a fluid supply connection. It includes a second conduit communicating the first conduit with the connection, with an inlet arranged above the sonotrode or the portion functioning as a sonotrode of the end part. | 06-17-2010 |
20130213580 | ULTRASONIC VIBRATION UNIT - The invention relates to an ultrasonic vibration unit ( | 08-22-2013 |
20130240153 | Pedestal-Mounted Ultrasonic Welding Device - The sonotrode and anvil of co-pending application Ser. No. 12/925,652, for advanced ultrasonic welding of work pieces, are readily incorporated into new form-fill-seal machines, but existing machines with heat-seal stations pose difficult problems for swapping of the sealing packages. Kits enabling heat station replacement, with the further improved sonotrode and anvil disclosed herein, comprise: a housing; a linear rail fixed thereto; anvil and sonotrode support members; and a parallel gripper. Each of the anvil and sonotrode support members is slidably attached to the rail(s) and are also connected to a respective piston of the gripper, permitting actuation of each through cycling of the gripper pistons. The improved sonotrode/anvil combination each comprise a corresponding plurality of energy directors arranged into a three-dimensional grid pattern to produce a narrower weld region, but one exhibiting greater durability, thereby permitting use of less packaging material, and which may also weld a company logo into the workpieces. | 09-19-2013 |
20140190638 | Sonotrode and Anvil Energy Director Grids for Narrow/Complex Ultrasonic Welds of Improved Durability - A specially designed sonotrode and anvil are adapted to be used in combination for ultrasonic welding of work pieces, to produce a narrower weld region, but one exhibiting greater durability, thereby permitting use of less packaging material. The contact surfaces comprise a surface of the anvil having a plurality of energy directors, where the plurality of energy directors are arranged into a three-dimensional grid pattern to be capable of distributed vibration-transmissive contact. The energy directors may comprise a series of plateau surfaces being regularly spaced apart from each other in a first direction, and in a second direction that is orthogonal to the first direction, to form the grid pattern. The rectangular-shaped plateaus may be spaced apart by valleys. Engagement of the energy directors of the anvil with the corresponding surface of the sonotrode may cause minor elastic deformation of work pieces positioned therebetween prior to ultrasonic welding. | 07-10-2014 |
20140283998 | Sonotrode and Anvil Linear Energy Directors for Narrow/Complex Ultrasonic Welds of Improved Durability - A specially designed sonotrode and anvil are adapted to be used in combination for ultrasonic welding of work pieces, to produce a narrower weld region, but one exhibiting greater durability, thereby permitting use of less packaging material. The contact surfaces comprise a surface of the anvil having a plurality of energy directors, where the plurality of energy directors are arranged into a three-dimensional grid pattern to be capable of distributed vibration-transmissive contact. The energy directors may comprise a series of plateau surfaces being regularly spaced apart from each other in a first direction, and in a second direction that is orthogonal to the first direction, to form the grid pattern. The rectangular-shaped plateaus may be spaced apart by valleys. Engagement of the energy directors of the anvil with the corresponding surface of the sonotrode may cause minor elastic deformation of work pieces positioned therebetween prior to ultrasonic welding. | 09-25-2014 |
20140338842 | Stepped Sonotrode and Anvil Energy Director Grids for Narrow/Complex Ultrasonic Welds of Improved Durability - A specially designed sonotrode and anvil are adapted to be used in combination for ultrasonic welding of work pieces, to produce a narrower weld region, but one exhibiting greater durability, thereby permitting use of less packaging material. The contact surfaces comprise a surface of the anvil having a plurality of energy directors, where the plurality of energy directors are arranged into a three-dimensional grid pattern to be capable of distributed vibration-transmissive contact. The energy directors may comprise a series of plateau surfaces being regularly spaced apart from each other in a first direction, and in a second direction that is orthogonal to the first direction, to form the grid pattern. The rectangular-shaped plateaus may be spaced apart by valleys. Engagement of the energy directors of the anvil with the corresponding surface of the sonotrode may cause minor elastic deformation of work pieces positioned therebetween prior to ultrasonic welding. | 11-20-2014 |
20150090405 | Stepped Sonotrode and Anvil Energy Director Grids for Narrow/Complex Ultrasonic Welds of Improved Durability - A sonotrode and anvil are adapted for ultrasonic welding of work pieces, to produce a narrower weld region that exhibits greater durability, permitting use of less material per package. The horn-to-anvil contact is through a plurality of energy directors arranged into a three-dimensional grid pattern to be capable of distributed vibration-transmissive contact. The energy directors include a series of plateau surfaces regularly spaced apart in a first direction, and in a second direction that is orthogonal to the first direction, to form the grid pattern. The energy directors of the horn are configured to interlock with the energy directors of the anvil. The rectangular-shaped plateaus are spaced apart by angled side-surfaces that form valleys. A stepped transition to a corresponding region of reduced height for the energy directors of the sonotrode and anvil may form a cosmetic seal region with a lesser integrity, in addition to the main barrier seal. | 04-02-2015 |
20150144270 | DEVICE FOR MANUFACTURING ABSORBENT ARTICLE - A device including: a plurality of protruding portions of an anvil roll; an ultrasonically vibrating horn; a suction hole for drawing granular particles together with non-woven fabric sheets so as to carry the non-woven fabric sheets and to prevent the granular particles from being placed on the non-woven fabric sheets over the protruding portions; and a ridge extending along an outer circumference of the suction hole with a protruding height lower than a protruding height of the protruding portions. | 05-28-2015 |
20150290873 | Sonotrode and Anvil Energy Director Grids for Narrow/Complex Ultrasonic Welds of Improved Durability - A specially designed sonotrode and anvil are adapted to be used in combination for ultrasonic welding of work pieces, to produce a narrower weld region, but one exhibiting greater durability, thereby permitting use of less packaging material. The contact surfaces comprise a surface of the anvil having a plurality of energy directors, where the plurality of energy directors are arranged into a three-dimensional grid pattern to be capable of distributed vibration-transmissive contact. The energy directors may comprise a series of plateau surfaces being regularly spaced apart from each other in a first direction, and in a second direction that is orthogonal to the first direction, to form the grid pattern. The rectangular-shaped plateaus may be spaced apart by valleys. Engagement of the energy directors of the anvil with the corresponding surface of the sonotrode may cause minor elastic deformation of work pieces positioned therebetween prior to ultrasonic welding. | 10-15-2015 |
20160052658 | APPARATUS FOR ULTRASONIC WELDING - An apparatus ( | 02-25-2016 |
20160067912 | ULTRASONIC WELDING APPARATUS HAVING PLURALITY OF SONOTRODES - The invention relates to an ultrasonic welding apparatus for ultrasonic machining of a material, having at least two sonotrodes and a converter device, which converts an electrical AC voltage into an ultrasonic vibration and sets the at least two sonotrodes in ultrasonic vibration, the at least two sonotrodes being arranged in such a manner that the material to be machined is arranged between them during machining and can at the same time be machined by the at least two sonotrodes. To specify an ultrasonic welding apparatus that allows effective material machining without an undesirable interaction occurring between the two sonotrodes, the converter device according to the invention excites the first sonotrode at a frequency f | 03-10-2016 |
20160121542 | ANVIL ROLLER AND ULTRASONIC WELDING DEVICE PROVIDED THEREWITH - Provided is a lightweight anvil roller and an ultrasonic welding device provided therewith. The anvil roller has: a supported section that is rotatably supported by a holding mechanism via a rotary shaft in such a manner that the anvil roller can come into rolling contact with a sheet; an outer peripheral section having a welding surface over which the sheet is welded between the outer peripheral section and an ultrasonic horn during rolling contact with the sheet; a thin section that is formed between the supported section and the outer peripheral section in such a manner that the thickness of the thin section is smaller than the thickness of the outer peripheral section in the axial direction of the rotary shaft; and a vibrationproof member provided on the thin section. | 05-05-2016 |