Abstract: A method of welding includes providing first and second joining partners, providing a welding apparatus that includes a sonotrode comprising a structured working surface, arranging the first and second joining partners to contact one another, and forming a welded connection between the first and second joining partners by contacting the first joining partner with the structured working surface and vibrating the sonotrode at an ultrasonic frequency, wherein the structured working surface comprises a plurality of apexes, a plurality of nadirs between immediately adjacent ones of the apexes, and planar sidewalls that extend between the nadirs and the apexes, and wherein for each of the apexes the planar sidewalls on either side of the respective apex extend along first and second planes that intersect one another at an acute angle.

Abstract: An ultrasonic welding system is provided. The ultrasonic welding system includes a support structure for supporting a workpiece. The ultrasonic welding system also includes a weld head assembly including an ultrasonic converter carrying a sonotrode. The ultrasonic welding system also includes a conductive pin supply configured to provide a plurality of conductive pins for welding using the sonotrode.

Abstract: A rotary acoustic horn. The rotary acoustic horn includes a shaft having an axial input end and an axial output end; and at least one welding portion; wherein the welding portion comprises an outer weld face that expands and contracts with the application of acoustic energy; wherein the welding portion comprises a first opposing end portion and a second opposing end portion; wherein the welding portion comprises through holes extending substantially along an axial direction of the welding portion from the first opposing end portion to the second opposing end portion; and wherein the through holes are located between the weld face and the shaft.

Abstract: A bracket presenter for an ultrasonic welder includes a one-piece first bracket portion and a one-piece second bracket portion mounted relative to one another. First and second tapered features are respectively provided by the first and second bracket portions and are nested relative to one another. The first and second tapered features engage in an extended position and are spaced from one another in a compressed position to provide a clearance enabling the first and second bracket portions to float lateral relative to one another. A spring biases the first and second bracket portions apart.

Abstract: At least one of a horn or an anvil includes protrusions that protrude from a facing surface thereof. Two panel parts and a gusset part folded and interposed between the panel parts are sandwiched and compressed by the horn and the anvil. Two portions of the gusset part are welded to each other by ultrasonic vibration of the horn during the sandwiching and compressing.

Abstract: A system includes a tool for installing a cable material around a set of elongate members. The tool includes a housing; a cartridge detachably connected to the housing; and a jaw detachably connected to the housing. The cartridge has a length of cable material. The jaw is configured to extend around the set of elongate members to install the length of cable around the set of elongate members. A welding horn is detachably connected to the housing. At least one processor is configured to read a programmable chip. The programmable chip stores a set of parameters for at least one of the cartridge, the jaw, or the welding horn.

Abstract: A rotary welding device which includes a rotary part rotating about its axis of rotation, one or more supporting elements for supporting a continuous strip, specifically a strip of nappies, supported by the rotary part, and a plurality of welding units, mounted on the rotary part, for welding the continuous strip; each welding unit is configured to pass from a non-operating position to an operating position and vice versa; each welding unit includes a respective welding tip and a respective anvil element which is movable relative to the welding tip; each welding unit includes respective first movement means configured to drive the anvil element in rotation relative to the welding tip from an initial position, where the anvil element is angularly spaced from the welding tip, to a final position, where the surface of the welding tip and the surface of the anvil element are parallel and aligned with each other along the same axis, and vice versa.

Abstract: Provided is a production method for a freshness-keeping bag capable of reducing the inflow of oxygen from the outside of the bag to a very low level, and thereby keeping the freshness of a content thereof for a long period of time.

Abstract: Disclosed is a welding machine for synthetic resins. The welding machine for synthetic resins performs welding of fabrics using ultrasonic waves and through preheating sufficient not to burn off a coating solution on the surfaces of the fabrics using hot air so as to achieve rapid and firm welding due to concentrated molecular decomposition and melting on the bonding surface between the fabrics, allows both an ultrasonic horn and a welding wheel to be rotated vertically so as to achieve rapid and stable entry of the fabrics and welding of the fabrics while preventing the fabrics from slipping, and achieves stable welding of various fabrics through adjustment of pressing force of the welding wheel depending on the thickness or the material of the fabrics, etc.

Abstract: Needle arrays for forming ultrasonic perforations may be formed from additive manufacturing and with non-circular cross-sectional areas for forming a plurality of holes, or perforations, in a thin sheet material. Methods of forming a plurality of perforations in a thin sheet of a composite material may include positioning the thin sheet under the needle array, repeatedly contacting the surface of the thin sheet to form perforations therein, translating the thin sheet and/or the needle array such that a different area of the thin sheet is positioned under the needle array, and again repeatedly contacting the surface of the thin sheet to form the perforations therein. Related systems may include an ultrasonic actuator, a needle array, and a remote heating unit configured to heat the workpiece while the perforations are formed therein.

Abstract: An ultrasonic metal welding device for welding electrical conductors using a compression chamber that is adjustable at least n height and that is delimited on opposite sides by a section of a sonotrode as a first delimiting surface and by at least one section of a counter electrode (156) as a second delimiting surface, wherein for welding, the counter electrode and the sonotrode are displaced relative to one another. The counter electrode used is one that comprises sections (152, 154) of geometrically different working surfaces or is composed of at least two sections that are displaceable relative to one another.

Abstract: The invention relates to a welding method for material webs which each consists of a multilayer composite having a barrier layer and are connected to each other via a sealing seam.

Abstract: Welded headgear sections can be produced by using a weld tool having pins protruding from a weld region contact surface to deliver high-frequency electromagnetic energy to a weld region defined by overlapping top and bottom headgear straps. The pins fully penetrate the top strap and at least partially penetrate the bottom strap. The pins concentrate the electromagnetic energy to achieve a weld joint of acceptable weld strength and aesthetic appeal.

Abstract: An ultrasonic welding apparatus includes a sonotrode comprising a structured working surface that comprises a plurality of apexes, a plurality of nadirs between immediately adjacent ones of the apexes, and planar sidewalls that extend between the nadirs and the apexes, and for each of the apexes the planar sidewalls on either side of the respective apex extend along first and second planes that intersect one another at an acute angle.

Abstract: A method and apparatus for making bags or pouches is disclosed. An ultrasonic sealer may be used to form the seals. Sealing patterns may be used to provide a desired strength profile.

Abstract: Provided are a method and an apparatus for extruding into a tube and filling the tube at a high speed and simultaneously sealing the tube. Specifically provided is a method for producing a polymer tube, containing a liquid therein and being sealed at constant intervals, the method including an extrusion step of continuously melt-extruding a polymer material through a die into at least one tube, while feeding a liquid into the tube to obtain at least one liquid-containing tube; and sealing step of discontinuously pressing the at least one liquid-containing tube between a pair of pressurizing members at constant intervals to cause pressure-bonding before the tube solidifies, while continuously taking up the extruded tube.

Abstract: An ultrasonic additive manufacturing system may include a base structure, a sonotrode configured to rotate about an axis of rotation, and one or more transducers configured to vibrate the sonotrode. The sonotrode may include a welding surface extending along a circumference of the sonotrode, and the welding surface may have a contoured profile. At least one of the sonotrode and the base structure may be configured to translate relative to the other of the sonotrode and the base structure.

Abstract: A plastic component having a core that has a thermoset matrix and an add-on part anchored to the core. At least the securing region of the add-on part can be formed from a thermoplastic and is secured by the securing region to the core of the plastic component, the securing region being attached to the core or inserted or pressed into the core, bonding, in a fusible state produced by the application of energy, in particular by ultrasonic vibrations, with the core and being anchored thereto or therein after solidification, in particular, as a connection anchor.

Abstract: Described is a ultrasonic welding of laminates, more particular to the use of ultrasonic energy to create stable perforations in a laminate, in particular a laminate that includes a silicone gel. Specifically, a perforation element is provided, that is optionally part of array of perforation elements, which perforation element or array of perforation elements is advantageously used in an ultrasonic welding device and in a process for continuously introducing perforations into a laminate.

Abstract: An assembly for producing sealed packaging units (14) from a sheet packaging material, comprises: an advancement device (21) for advancing the sheet packaging material along an advancement direction (F), a longitudinal sealing device for sealing opposite borders of the sheet packaging material along a longitudinal sealing band arranged parallelly to the advancement direction (F), thereby forming a continuous tube (15), a transverse sealing device (29) for sealing the continuous tube (15) transversely to the advancement direction (F), so as to define a sealed packaging unit (14). The transverse sealing device (29) comprises a sealing element (30) and an abutment element (31) that are intended to mutually cooperate during sealing while being located on opposite sides of the continuous tube (15). The sealing element (30) is so configured as to act on a side (27) of the continuous tube (15) on which the longitudinal sealing band is provided.

Abstract: A system for manufacturing a drive shaft assembly comprises a welding apparatus configured to weld a tube to an end fitting to form the drive shaft assembly having an annular weld. A transport apparatus is configured to transport the drive shaft assembly away from the welding apparatus. A knurling apparatus receives the drive shaft assembly from the transport apparatus. The knurling apparatus is configured to knurl the weld of the drive shaft assembly. The knurling apparatus includes a pair of knurling plates having textured surfaces in facing relationship. One of the knurling plates is configured to move relative to the other of the knurling plates to roll the drive shaft assembly between the textured surfaces, thereby knurling the weld to improve an appearance and texture of the outer surface of the drive shaft assembly.

Abstract: A cup sealing apparatus with a shaft, a heating element, an alignment plate, and a spring biasing the alignment plate into engagement with the alignment cone. The shaft extends has an alignment cone at an end thereof, the alignment cone having a modified cone taper surface centered about a longitudinal axis. The heating element includes a heating surface operable to adhere a seal to a cup presented to the heating surface. The alignment plate is spaced from the opposite axial surface, and has a profile corresponding with the taper surface so that the profile and the taper surface form a non-circular interface between the alignment cone and the alignment plate. With deflection of the spring, the alignment plate and the heating element are free to deviate from a prescribed orientation and out of coaxial alignment to match a cup axis of a cup presented to the heating surface.

Abstract: The present invention is a roll as may function as an anvil roll that comprises protrusions on its outer surface, that are outwardly or z-directionally oriented arcs of an arc wire such as wavy wire or an axially canted helical coil extending along a length or x-direction, which are pinched perpendicularly to the z- and x-direction. Such anvil rolls may be used to treat materials such as web materials, such as by embossing or bonding these web materials. In a particular application, such rolls may interact with an ultrasonic sonotrode.

Abstract: A device for positioning in the body of an animal, the device comprising a first portion and a second portion that may be positioned in contact with one other, the first portion and the second portion each comprising a biocompatible conductive thermoplastic material, such that when the device is positioned in the body of an animal and electric current flows from the first portion to the second portion, heat is generated by electrical resistance at the point of contact between the first portion and the second portion so as to melt regions of the first portion and the second portion, and when the electric current is thereafter terminated, the melted regions of the first portion and the second portion re-solidify so that a weld is formed between the first portion and the second portion.

Abstract: The present disclosure can provide for an ultrasonic welding method for a pair of workpieces. The method can include first pressing an ultrasonic welding stack against a first workpiece in the pair so that the first workpiece comes into contact with a second workpiece in the pair. The method can then provide for initiating a weld phase by outputting energy from the ultrasonic welding stack to the first workpiece. The method can provide for monitoring, with at least one sensor, a sensed parameter. The sensed parameter can be, for example, weld force and/or weld force rate of change. The method can provide for determining whether the sensed parameter has reached a predetermined level. Based on determining that the sensed parameter has reached the predetermined level, the method can provide for ending the weld phase.

Abstract: A vibration measurement device measures vibration of at least one of the first sealing member and the second sealing member. A determination device determines quality of the sealing process according to a measurement result of the vibration measurement device from before the first sealing member and the second sealing member reach the closed position to after the first sealing member and the second sealing member reach the closed position. The sealing drive unit causes relative movement between the first sealing member and the second sealing member from an open position at a moving speed determined according to a type of the bag, to place the first sealing member and the second sealing member in the closed position.

Abstract: The present invention concerns an ultrasonic vibration unit having a converter (1) for converting an electric ac voltage into a mechanical ultrasonic vibration and a sonotrode which is vibrationally coupled to the converter (1), wherein the sonotrode and the converter (1) are matched to each other in such a way that the ultrasonic vibration unit can vibrate with a natural frequency f, in which a standing longitudinal wave having at least one vibration node and at least two vibration antinodes is formed within the ultrasonic vibration unit.

Abstract: A method and apparatus for making bags or pouches is disclosed. An ultrasonic sealer may be used to form the seals. Sealing patterns may be used to provide a desired strength profile.

Abstract: An apparatus for fabricating an elastic nonwoven material generally includes a first bonding module and a second bonding module. The second bonding module is positionable in close proximity to the first bonding module. At least one of the first bonding module and the second bonding module has a face with a width dimension and a circumferential axis and is rotatable about a rotation axis. The face has a plurality of ridges. The ridges are positioned such that at least two adjacent ridges overlap along the circumferential axis.

Abstract: A maple sap line system and method for spin welding provides secure, unobstructed lines for collecting sap by creating a hermetically sealed connection between a lateral line and a mainline. A fitting connects the mainline to the lateral line. The fitting is spin welded to the mainline at a contact interface. The fitting comprises a protruding member that easily melts to create the frictional weld. The fitting has an elongated body comprising barbs that receive the lateral line. The fitting has a channel that enables fluid communication between the mainline and the lateral line. The flanges in the fitting register with a chuck to rotate the fitting against the main line at a high rpm. Molten debris formed in the channel is dislodged by drilling with a collared drill. The drilling provides fluid communication and creates a smooth inner surface in the mainline, and cuts off flanges from the fitting.

Abstract: An ultrasonic bonding jig includes: a base; and a protrusion portion which has a protrusion portion end surface approximately parallel to the base and which has a pair of first walls, the pair of first walls being disposed upright approximately perpendicular to the base from opposed sides of the protrusion portion end surface. A bonding structure includes a bonding portion of a metal plate and a base material. The bonding portion has a recessed portion with a closed bottom on a surface of the metal plate, and the recessed portion has a pair of walls approximately perpendicular to the surface of the metal plate.

Abstract: A system and method for producing a disposable undergarment, with the lateral edges of the undergarment bonded by means of an ultrasonic horn. When a blank is formed for an individual undergarment, the lateral edges of opposing edges of the blank will form the seam. When the edges are sealed together, a seam is formed. The individual undergarments may be later separated along the seams.

Abstract: A maple sap line system and method for spin welding provides secure, unobstructed lines for collecting sap by creating a hermetically sealed connection between a lateral line and a mainline. A fitting connects the mainline to the lateral line. The fitting is spin welded to the mainline at a contact interface. The fitting comprises a protruding member that easily melts to create the frictional weld. The fitting has an elongated body comprising barbs that receive the lateral line. The fitting has a channel that enables fluid communication between the mainline and the lateral line. The flanges in the fitting register with a chuck to rotate the fitting against the main line at a high rpm. Molten debris formed in the channel is dislodged by drilling with a collared drill. The drilling provides fluid communication and creates a smooth inner surface in the mainline, and cuts off flanges from the fitting.

Abstract: A first object is anchored in a second object. The first object has a material with thermoplastic properties, and the second material has a material that is solid and is penetrable by the first material when in a liquefied state. The second object has an insertion face with an opening having a mouth in the insertion face, and the first object has an insert portion that for anchoring is placed in the opening or about the mouth thereof. For anchoring, energy suitable for liquefaction of the first material impinges in an amount and for a time sufficient for at least partial liquefaction of the first material and interpenetration of the first and second materials. The second object, around the opening, has an anisotropic strength with respect to forces perpendicular to the opening axis.

Abstract: An ultrasonic welding system that includes a rotary sonotrode, having a body that includes a first horizontal side having a first antinode; a second horizontal side having a second antinode; a first vertical side having a first node; a second vertical side having a second node; and a middle region, an upper region, and a lower region, wherein the length of the middle region is greater than the length of the upper region and greater than the length of the lower region; at least one ultrasonic transducer that is transversely aligned with the rotary sonotrode; and at least one input tool disposed between the rotary sonotrode and the transducer that includes a node and is an integral part of the transducer or is a component separate from the transducer, wherein the input tool is connected to the rotary sonotrode at the middle region thereof on either the first vertical side or the second vertical side, and wherein the connection point between the input tool and the sonotrode is located a predetermined distance aw

Abstract: A distal end portion for pressing an object to be joined of one of a resonator and a reception jig is constituted as a protrusion having an outer face not including an angular sharp edge, such as a hog-backed shape or a semispherical shape, and during joining, while metal foils stacked are being laterally thinly stretched with lateral vibration from the resonator and atoms of the metal foils are being moved laterally without the protrusions forcibly holding down the metal foils, a metal amount corresponding to a volume stretched is smoothly discharged along a curved face without breaking the metal foils, and even when the stacked metal foils are used as the object to be joined, breaking of the metal foils is not generated during joining, so that a step of protecting the metal foils with a protection member is unnecessary.

Abstract: A method for forming a knockout on a raceway includes removing a knockout from the raceway to form an opening, positioning the knockout within the opening, and thereafter attaching the knockout to the raceway by welding the knockout and the raceway together.

Abstract: An active anvil assembly for use in forming a looped suture is provided. The active anvil assembly includes an anvil member, a first sensor operably connected to the anvil member, and a control assembly. The first sensor is configured for measuring at least one of force, torque, and distance feedback. Also provided are systems and methods for forming a looped suture including an active anvil assembly.

Abstract: A gas-permeable porous fluororesin membrane (4) made of a fluororesin is welded to a resin component (2) made of a thermoplastic resin using a welding horn (62) having a working surface (62p) adapted to be brought into contact with a work object and provided with a projection (62t). The working surface (62p) of the welding horn (62) is provided with, for example, a plurality of projections (62t). The plurality of projections (62t) may be arranged in a grid pattern on the working surface (62p).

Abstract: An ultrasonic sealing anvil is provided which is capable of applying an optimal pressure to an overlap part in the absence of misalignment between the overlap part and the anvil, and preventing application of an excessive pressure in the occurrence of misalignment. An ultrasonic sealing anvil is configured to seal a tubular material having an overlap part extending in one direction, in a sealing direction crossing the overlap part. The anvil is provided with a step that can be abutted with the overlap part R, and a pair of grooves arranged sandwiching the step in the sealing direction.

Abstract: A horn for an ultrasonic welding apparatus includes a body having an outer diameter surface and a convex welding tip having a first curved surface and a second curved surface. A peak curvature point is defined by the second curved surface. A base curvature point is defined at an intersection between the outer diameter surface and the first curved surface. An inner diameter is defined at an intersection between the first curved surface and the second curved surface.

Abstract: An apparatus for fabricating an elastic nonwoven material generally includes a rotary ultrasonic horn and a rotary anvil positionable in close proximity to the ultrasonic horn. The anvil has a face with a width and a circumferential axis. The face has a plurality of ridges each of which defines a plurality of interspaced lands and notches.

Abstract: A method is provided for producing a component connection.

Abstract: A number of variations may include a weld gun and a method of operating the weld gun including a motor operably coupled to a converter. The converter may be operably coupled to a booster. A horn may be operably coupled to the booster. An anvil may be operably coupled to the horn wherein vibration of the horn may be caused by the motor. Moreover, the vibration of the horn may produce heat in order to weld a piece which may be disposed adjacent to the horn. The weld gun may not require separate or additional tooling.

Abstract: A joining method for joining a first member having a hole that is opened on at least one surface, to a second member including a material of which a melting temperature is lower than that of a constituent material of the first member, includes: laminating the second member on the first member so as to cover an opening of the hole; and introducing that material of the second member which is softened or melted into the hole through the opening and curing the material of the second member.

Abstract: A fiber-reinforced plastic joined body is provided, in which a fiber-reinforced molded article (X) containing carbon fibers and a thermoplastic resin and having a joining surface (x), and a thermoplastic resin member (Y) having a joining surface (y) are welded via the joining surfaces (x) and (y) by applying ultrasonic to the molded article (X), and in which: (1) a maximum value of tan ? by viscoelastic measurement of the molded article (X) is less than 70% of a maximum value of tan ? by viscoelastic measurement of the thermoplastic resin contained in the molded article (X) within a range of a glass transition temperature ±100° C. of the thermoplastic resin contained in the molded article (X), (2) at least one of the joining surfaces (x) and (y) has an energy director, and (3) an application surface of the molded article (X) to which ultrasonic sound is applied is smooth.

Abstract: A method for manufacturing an electronic device using ultrasonic joining, when the component members of the electronic device includes different structures. The method includes obtaining a joining condition that provides press-down amounts for the materials to be joined at predetermined values. The press-down amount generated by a horn and a supporting member biting into the materials during ultrasonic joining is predetermined for each specific structure of the component member of the electronic device.

Abstract: There is described a sonotrode for sealing an opening device onto a hole of a packaging material destined to from a sealed package, comprising: a sealing surface adapted to cooperate with packaging material in order to seal the opening device to the packaging material; a cavity bounded by an opening of sealing surface and adapted to receive the opening device and a ring made in an elastomeric material, partially protruding inside the cavity, and adapted to center a first axis of the opening device on a second axis of the sonotrode.

Abstract: The invention describes a system for preparing and producing a stamp plate, comprising at least one input device, a control device, and a processing device, with a processing insert and apertures arranged therein. The processing device, in particular a laser plotter, comprises a processing table, which is designed to accommodate and position the processing insert, in particular a tray or jig for at least one stamp plate blank, wherein a removal aid is allocated to at least one aperture of the processing insert, and/or this aperture preferably comprises means for guiding and positioning the insert. In particular the stamp plate blank and/or the workpiece. In order to attain an even surface of a base material of the stamp plate blank, for further processing the base material is positioned on a base plate in a removable manner.

Abstract: A method and an apparatus for the non-contact support of a sensor and/or actuator device with respect to a substrate which reflects sound at least in regions has a moving suspension device, a sensor and/or actuator device which is mechanically connected to the suspension device, and a positioning device which is mechanically connected to the suspension device and which has at least one non-contact bearing for the non-contact support of the sensor and/or actuator device with respect to the substrate. The positioning device has at least one sonotrode for emitting an ultrasonic field which, between the sonotrode and the substrate, forms acoustic levitation waves for the non-contact support of the sensor and/or actuator device with respect to the substrate by a non-contact bearing which is designed as an ultrasonic bearing.