Abstract: A method of manufacture involves the following steps: extruding a first zipper strip comprising a first zipper flange and a first closure profile; extruding a second zipper strip comprising a second zipper flange and a second closure profile that is interlockable with the first closure profile; interlocking the first and second closure profiles; and welding the first and second zipper flanges together in a first zone and welding the first and second closure profiles together in a second zone by applying energy to both zones in one operation or in separate operations. A generally T-shaped zone of fusion is formed. The second zone forms the top of the T shape, while the first zone forms the stem of the T shape. The first zone forms respective flange seals, while the second zone forms either back-to-back preseals or back-to-back slider end stops when the zipper is cut, depending on whether the zipper is sliderless or slider-actuated.

Abstract: An apparatus is arranged to successively make plastic bags each of which has a shape of circumference. The apparatus comprises web feeding means by which a web material is intermittently fed for a length along a longitudinal feeding path. The web material comprises two or more layers of plastic film. Web cutting means is disposed along the feeding path. The web cutting means has a shape corresponding completely or incompletely to the shape of circumference of plastic bag so that the web material can be cut into the shape of circumference of plastic bag by the web cutting means whenever the web material is intermittently fed and temporarily stopped, to successively make the plastic bags with a waste kept continuous. The web cutting means comprises partially cutting means. The plastic bag has an upstream edge along which the web material is partially cut by the partially cutting means so that the plastic bag can be kept connected with the waste at the upstream edge of plastic bag.

Abstract: A method for making a vacuum packaging film includes flowing a plastic melt, from a multi-layer extruder, onto a rotating roller. The plastic melt is then cooled while simultaneously imparting a pattern, via a pattern imparting means, onto the plastic melt resulting in the vacuum packaging film.

Abstract: A method, a laminator (10), and a belt, for creating a pre-press proof (200) with a thermal mark (190) which comprises laminating a pre-laminate sheet (240) consisting of a first thermoplastic layer, and a first support layer (150) to a receiver stock (160); removing the first support layer (150) forming a pre-laminated receiver stock (350); creating an imaged receiver sheet (140) with a second print layer (308) and a second support layer (170); laminating the imaged receiver sheet (140) with the pre-laminated receiver stock (350) using an embossing belt (110) with an embossing mark 115; and removing the second support layer (170) creating a pre-press proof with a thermal mark (230).

Abstract: A method and apparatus for manufacturing a flexible curtain as disclosed and claimed. Edges of a polymeric material are folded back on themselves. A portion of the edges are secured and a portion is left unsecured or free. The flexible curtain is used in a windlocking apparatus to prevent the unwanted intrusion of wind, water and debris into a building opening. The free, or unsecured flap of the folded edge absorbs shock associated with storm disturbances. Edge rollers are used to laminate the edges of the curtains selectively such that only a portion of the edge is secured leaving the flap unsecured. Stitching, ultrasonic welding and gluing are alternative ways and/or additional ways of providing for the securement of a portion of the edge to itself. Perforations are made in the secured portion of the folded edge.

Abstract: Disclosed is an embosser for producing matte finish photographs from a glossy finish photograph. The embosser receives a sheet of glossy prints as generated by an inkjet printer with a clear laminate over the print to protect the inkjet generated photographic image. Pressure and embossing rollers biased to spaced apart positions within the embosser are selectively operable to move one against the other to create a nip through which the laminated print passes. At the option of an operator the laminated print may be allowed to pass between the spaced apart rollers undisturbed thereby generating a glossy photograph. At the option of the operator the rollers are moved one against the other to create the nip so that passage of the print now results in an embossment of the lamination thereby producing a matte finish photograph. Also disclosed is a method for alternatively generating a glossy or matte finish print and a matte finished print wherein the matte finish is formed in situ.

Abstract: For operating on a laminar material (3) having a reference speed VR, it is provided a device comprising: a rotating body (6) with a rotation speed &ohgr;, a guide member (5) in engagement with the rotating body (6) and movable along a circumferential trajectory (7) having a work stretch (7a), the guide member (5) in the circumferential trajectory (7) having a tangential speed T with a work component TL parallel to the laminar material (3), and drive means (9) adapted to selectively vary the tangential speed T of the guide member (5) and the reference speed VR of the laminar material (3) so as to impose a work component TL and a reference speed VR equal to each other at the work stretch (7a).

Abstract: A method of embossing a sheet material includes: heating at least a portion of the sheet directly or indirectly with radiant energy from a radiant energy source; pressing a tool against the heated portion of the sheet, thereby patterning a surface of the sheet; and separating the sheet and the tool. The radiant energy may travel through a solid material that is relatively transparent to radiation, on its way to being absorbed by a relatively-absorptive material. The relatively-transparent material may be an unheated portion of the sheet, and the relatively-absorptive material may be either the tool or the heated portion of the sheet. Alternatively, the relatively-transparent material may be the tool, and the relatively-absorptive material may be all or part of the sheet. The method may be performed as one or more roll-to-roll operations.

Abstract: For the production of a sheet product including at least two layers (V1, V2) it is suggested, among other things, an embossing device including a first pressure roller (5; 105) interacting with a first and a second embossing cylinder (1, 3; 101, 103) provided with respective points (1P, 3P, 101P, 103P) on their cylindrical surface.

Abstract: A method of forming a thermally bonded, nonwoven polypropylene fabric is provided and includes passing a web of thermally bondable skin-core polypropylene fibers through a calender nip under heat and pressure to produce a nonwoven fabric having elongation. The patterned calender roll is embossed with a plurality of spaced and staggered lands particularly dimensioned, configured and oriented to provide the desired bonding spot size and spacing between the bonding spots such that when utilized in the calender roll, an improved soft polypropylene fabric or cover sheet having a high elongation results.

Abstract: An ultrasonic welding assembly comprising a horn, an anvil and an anvil cover. The horn comprises a generally T-shaped flattening surface and a rail projecting forward of the flattening surface. The rail is shaped to serve as a dam for flowing thermoplastic zipper material during stomping of slider end stops. The horn further comprises a plurality of vertical energy directors designed to direct ultrasonic energy into the mass of zipper material and deflect flowing zipper material toward the dam. The horn further comprises first and second recesses located on opposite sides of a stem of the T-shaped flattening surface. The anvil cover overlies opposing portions of the anvil and comprises a T-shaped cutout. The T-shaped flattening surface of the horn fits in the T-shaped cutout of the anvil cover. The resulting zipper has slider end stops located at opposing ends.

Abstract: An embossing step is incorporated into a laminating step as two layers of a packaging material are laminated together by a sheet of molten resin. The design is carried on either the nip roller or chill roller that presses and cools the material during and after the laminating process. Combining the processes gives the capability to emboss an image into the hot material with less pressure than previously necessary. The images can be more detailed while at the same time the barrier properties of the material are damaged less.

Abstract: The present invention relates to a method of printing polymer films and corresponding articles. The invention is useful for providing dimensional stability during printing and/or improving the print quality, particularly for contact or thermal printing methods such as thermal mass transfer printing.

Abstract: In one embodiment, the device comprises: a counter-acting cylinder (1) provided with a plurality of points (1P) and interacting with an adhesive dispenser (7), a pressure roller (3) and a laminating roller (5); the points on the counter-acting cylinder have a density and dimensions such that the technical and functional and/or aesthetic characteristics of the web material are not appreciably altered, and such that the two layers (V1, V2) are joined by means of the adhesive applied by said dispensing roller at the positions of the points.

Abstract: Press roll (10) for a laminating machine for producing a packaging material which comprises a carcass layer (42) consisting of paper or carton, and which carcass layer exhibits crease lines, through holes, openings or slits (43), which carcass layer exhibits, on one of its sides, a barrier layer (23), a plastic lining (31) which is arranged outside the barrier layer, and film (25) of laminant thermoplast which is arranged between the carcass layer and the barrier layer, with the said press roll (10) exhibiting a circular-cylindrical jacket surface having a facing (40) consisting of an elastic material. According to the invention, the said facing (40) comprises sections (44, 44′) in the jacket surface, which sections exhibit local deformation ability in relation to the surrounding facing (40, 44). The invention also relates to a method for producing packaging material and to packaging material which has been produced using this method.

Abstract: A convertible machine for surface treatment of paper, in particular of toilet paper, absorbent wipes, towelettes, serviettes, handkerchiefs and the like, comprising, on a roll stand (13), at least one pair of cylinders, one of which (14, 15) is rubber-coated and the other (17, 18) is made of steel, in contact with one another and between which at least one ribbon of paper (11, 12) is made to pass to be subjected to surface treatment, the steel cylinder (17, 18) being set on a support (23) displaceable from a position of contact with the rubber-coated cylinder (14, 15) and carrying at least one further steel cylinder (17′, 18′ and 17″, 18″) to be brought into contact with the rubber-coated cylinder (14, 15).

Abstract: A machine which inflates and seals pillows in packaging is compact in overall size, can be conveniently operated to produce varied lengths of strips of inflated pillow-type packaging as needed, can begin production of inflated pillow-type strip packaging immediately after being held out of a production cycle for some period of time, and applies a heated sealing element directly to and in sliding contact with a web of film to securely seal the inlet port of an inflated pillow while the pillow is under pressure and as the web of film is continuously and uninterruptedly advanced through the machine.

Abstract: A building board 1 which comprises a cement substrate 14, a front surface coat layer 5 formed on the front surface of the cement substrate 14, and a plastic sheet layer, preferably a polyethylene sheet layer 15 formed on the back surface 12 of the cement substrate 14. A plastic sheet, preferably polyethylene sheets M and F are adhered onto the rabbeted portions 2 and 3, respectively, of the cement substrate 14. Since the rabbeted portions 2 and 3 are covered with polyethylene sheets M and F, the water absorption from the rabbeted portions 2 and 3 can be effectively prevented. and the dimensional change in the whole board can be reduced.

Abstract: A method for simultaneously sealing and creating a thermal perforation between two thermoplastic layers that comprises providing two thermoplastic layers. A drum is provided that has at least one sealbar and perforation assembly. The two thermoplastic layers are contacted to the sealbar and perforation assembly. The thermoplastic layers are sealed with two generally opposing parallel seals and simultaneously create a thermal perforation in the thermoplastic layers generally parallel to the opposing seals. The thermal perforation is located between the two opposing seals.

Abstract: In a method for simultaneously welding to one another the layers of several pairs of thermoplastic foils arranged in a stack, a primary heat energy source is positioned between two pairs of thermoplastic foils, and welding heat energy is supplied to the two pairs via the primary heat energy source. The press for performing this method has two pressing elements for applying pressure to the stack of n pairs of layers of thermoplastic foils. The two pressing elements are positioned at opposite ends of the stack and force the layers of the pairs of thermoplastic foils toward one another. A stacked arrangement of n−1 flat, bar-shaped heating elements is aligned with the two pressing elements. Between two adjacent heating elements a respective pair of thermoplastic foils is received such that the pairs of thermoplastic foils alternate with the heating elements. The stacked arrangement of the heating elements is arranged in a plane that is perpendicular to the planes of the thermoplastic foils.

Abstract: A pressure sealer machine is provided for the production of pressure sealed documents, and more specifically nested documents, that uses a number of roller cassettes disposed in side-by-side relation, in parallel to at least one drive roller, for handling forms with inserts. In the preferred embodiment, each cassette is a dual roller cassette to include infeed and outfeed rollers. The cassettes are sized relative to the wheels so that there is a lateral gap between adjacent seal wheels, so that the cassettes produce a seal pattern composed of a series of seal strips having a uniform gap therebetween. Each cassette is spring loaded at its top side and pressure is uniformly applied to the system using a pressure plate to compress all cassette springs simultaneously.

Abstract: The invention relates to a multi-layer composite material which consists of at least two thermoplastic layers. At least one first layer is a of thermoplastic fiber fleece. The layers are bonded to one another at bonding zones by thermal bonding and the materials of the layer are at least partially fused together in the area of the bonding zones. Said bonding zones impart a three-dimensional structure to the composite material. The inventive composite material is characterized in that the three-dimensional structure of at least one bonding zone has the shape of a curvate edgeless trough in the cross-section and the longitudinal section. Said trough is configured by a bottom area forming a bonding center and by lateral areas which are attached thereto without transition. The layers are thermobonded to one other only in the bottom area of the trough.

Abstract: System, method and material for making pneumatically filled packing cushions in which a plastic film material having two superposed layers joined together along first and second longitudinal edges is prefabricated at a first location by forming longitudinally spaced, transversely extending rows of perforations across it and sealing it together along seal lines which extend from the first edge of the material in a direction generally parallel to the rows of perforations other and terminate a short distance from the second edge to form chambers with open mouths facing the second edge between the rows of perforations. The material is then fan-folded or formed into rolls for storage and shipment. At a second location, gas is introduced into the chambers by passing the material along a tube positioned between the ends of the seals and the second edge of the material and injecting the gas into the open mouths of the chambers through openings in a side wall of the tube.

Abstract: An embossing and laminating device which includes a pair of embossing cylinders having tips arranged symmetrically on the two cylinders; a pair of pressure rollers, each of which works in conjunction with one of the embossing cylinders; a glue applicator associated with one of the two embossing cylinders; and a laminating roller positioned downstream of the nip between the embossing cylinders and working in conjunction with the embossing cylinder which is associated with the glue applicator. The embossing cylinder associated with the laminating roller has a diameter greater than that of the other embossing cylinder.

Abstract: An apparatus for thermally bonding a cover material onto an absorbent, fibrous web has a substantially cylindrical, rotatable sealing roller and a rotatable anvil roller disposed adjacent the sealing roller to provide a nip therebetween. The cover material and fibrous web can be sealed and calendered in the nip of this apparatus. The sealing roller includes a sealing element and an ironing element, and both of these elements have thermally conductive material and a leading and a trailing end in the direction of rotation.

Abstract: Apparatus and methods for effecting ultrasonic bonds in sequentially advancing workpiece segments, in a nip defined by a rotary ultrasonic horn and rotary anvil roll. The ultrasonic bonding apparatus comprises support structure comprising anvil support apparatus and horn support apparatus. A closed loop control apparatus is connected to one or both of the anvil support apparatus and horn support apparatus. The closed loop control apparatus comprises a programmable logic controller, a load cell, and an adjustor. Information output from the load cell triggers the closed loop control apparatus through the programmable logic computer and the adjustor to move one or both of the anvil support apparatus and horn support apparatus toward or away from the other in dynamic response to the information output from the load cell, thereby regulating pressure in the nip with ongoing real-time adjustments to distance between the anvil support apparatus and the horn support apparatus.

Abstract: This invention pertains to apparatus and methods for creating ultrasonic bonds in sequentially advancing absorbent article workpiece segments, in a bonding nip. The ultrasonic bonding apparatus comprises a frame, anvil support apparatus, horn support apparatus, closure apparatus, a load cell support member, and a load cell. The ultrasonic horn and the anvil roll collectively are mounted and configured such that the ultrasonic horn and the anvil roll can be brought together, via the closure apparatus, to define the nip therebetween. The load cell is mounted to the load cell support member such that force representative of force exerted on the anvil roll at the nip is detected by the load cell. In preferred embodiments, the invention includes outputting information from the load cell and adjusting force in the nip in response to the information received from the load cell.

Abstract: The present invention is directed to an article of footwear and method for making the same, where the article of footwear has a minimal number of upper pieces. The method of the present invention is directed to a process for manufacturing an article of footwear having a single or multiple layer upper. Each layer of the upper according to the present invention is constructed of a one-piece upper material. At least the outer layer of the upper is molded utilizing an embossing tool according to the present invention, such that the desired appearance of the upper is embossed on the outer layer. Additionally, the improved shoe manufacturing process of the present invention may further comprise the step of decorating at least the outer layer of the upper, by screen printing, sublimation, large format ink jet printing, cold and hot peel transfers, fabric dyeing and/or multi-layered digital printing, allowing for multiple or different colorways to be created using a single base color upper material.

Abstract: A method and apparatus for manufacturing a flexible curtain as disclosed and claimed. Edges of a polymeric material are folded back on themselves. A portion of the edges are secured and a portion is left unsecured or free. The flexible curtain is used in a windlocking apparatus to prevent the unwanted intrusion of wind, water and debris into a building opening. The free, or unsecured flap of the folded edge absorbs shock associated with storm disturbances. Edge rollers are used to laminate the edges of the curtains selectively such that only a portion of the edge is secured leaving the flap unsecured. Stitching, ultrasonic welding and gluing are alternative ways and/or additional ways of providing for the securement of a portion of the edge to itself. Perforations are made in the secured portion of the folded edge.

Abstract: Method and apparatus comprising a novel ramped anvil roll for cooperating with a rotary ultrasonic horn and creating ultrasonic bonds in a work piece passing between the anvil roll and ultrasonic horn. A relatively smaller radius portion of the anvil roll extends about a first portion of the circumference, and a relatively larger-radius raised bonding element extends about a second portion of the circumference. An outer surface at at least one of a front and rear end portion of the raised bonding element defines a transition gradient between the raised operating surface and the relatively smaller radius portion. The transition gradient defines a modified sinusoidally-shaped curved loading surface including an inflection locus, the curved loading surface representing a relatively constantly changing angle as measured against respective radii of the anvil roll in combination with advancing along the corresponding portion of the circumference.

Abstract: This invention pertains to apparatus and methods for intermittently creating ultrasonic bonds in sequentially advancing work piece segments, in a nip. The work piece segments are up to about 0.25 inch thick. The apparatus comprises a frame, anvil support apparatus supporting an anvil, and horn support apparatus supporting an ultrasonic horn. The ultrasonic horn and anvil are collectively mounted and configured such that the ultrasonic horn and anvil can be brought together to define the nip. The frame, anvil support apparatus, and horn support apparatus collectively are sufficiently rigid that the horn and anvil can be brought together with interference levels of about 0.000 to about 0.008 inch at a raised bonding portion in combination with defining sufficient nip pressure to develop ultrasonic bonds in work piece segments passing through the nip. The method comprehends bringing a back-up roll, mounted above the ultrasonic horn, into engagement with the ultrasonic horn, to directly support the horn.

Abstract: An ultrasonic sealing apparatus is provided with an excellent sealability. The apparatus is capable of supplying sufficient output energy delivered by an ultrasonic wave-generating device to a thermoplastic resin of a packing material. A tubular packing material is evenly pressed on an appropriate timing in transverse sealing so that the thermoplastic resin is sufficiently softened/melted for an excellent sealing.

Abstract: A device for embossing and laminating a multiple-web web material, comprising: a first and second embossing cylinder (1, 3), provided with tips and arranged with parallel and adjacent axes so as to farm a nip (G) between them; a pair of pressure rollers, (5, 7), each of which cooperates with one of the embossing cylinders; an adhesive applicator (17) associated with the first embossing cylinder; and a laminating roll (13) arranged downstream of the nip (G) between the embossing cylinders (1, 3) and cooperating with the first embossing cylinder (1). Planes (P3, P5) contain axis (1A, 3A) of each embossing cylinder (1, 3) and the axis (5A, 7A) of the corresponding pressure roll (5, 7) are both inclined with respect to the plane. (P2) containing the axes (1A, 3A) of the embossing cylinders at an angle different from 0 and 90 degrees.

Abstract: Bonding apparatus and methods for creating up to full-width ultrasonic bonds in an advancing web. The bonding apparatus comprises a first nip, defined by, in combination, a first set of bonding elements comprising a first rotary ultrasonic horn and a first rotary anvil, and first engagement apparatus bringing the first horn and first anvil into effective bonding engagement with each other. The first horn and anvil being supported from support structure and rotating in common with each other thereby to convey the web through the first nip. The bonding apparatus also comprises a second nip, defined by a second set of bonding elements comprising second separate and distinct horn and anvil, and second engagement apparatus bringing the second horn and second anvil into effective bonding engagement with each other.

Abstract: A laminator assembly and lamination method which comprise: a first roller located on a first side of a media passage; a second roller located on a second side of said media passage so as to oppose said first roller, wherein a nip portion is defined between said first and second rollers so as to apply pressure to media in said media passage which passes through said nip portion; and wherein at least one of said first and second rollers is a roller comprising a substantially solid layer (42), a deformable layer (48) surrounding said substantially solid layer, and a perforated layer (46) surrounding said deformable layer forming an outer surface of said at least one of said first and second rollers.

Abstract: The invention relates to a tool for sheathing a bundle of elongate elements by wrapping said bundle in a flexible adhesive tape which is wrapped transversely to its long direction about the bundle and which has longitudinal margins that are united by adhesive, the tool comprising a shaping member for shaping the tape, which member comprises a sleeve of substantially circular cross-section that possesses a sloping end portion forming a deflector edge, and remote from the point where the tape reaches it, a longitudinal slot through which the longitudinal margins of the tape pass, the sleeve having at least one longitudinal hinge to enable it to be opened and to enable the tape to be put into place therein.

Abstract: An embossed multiple ply paper product and process for producing such product displaying aesthetically pleasing decorative attributes and exhibiting functional characteristics of softness, absorbency, and drape. The decorative attributes comprise embossed patterns of indicia displaying a high quality cloth-like appearance for a softer, more quilted look. The plies are joined in a face-to-face arrangement by selective bonds which are limited to the indicia, in order to produce more permanent decorative figures that inhibit dissipation caused by compressive forces, humidity, absorption, etc.

Abstract: In a method and an apparatus for manufacturing multi-layered hygiene products, a starting material web (2) is transported from one or more supply stations (4) to one or more processing stations (3) in which the starting material is cut, shaped, laminated, folded, etc. so as to form the finished hygiene products. The processing stations (3) are arranged on a processing plane (12), while the supply stations (4) are arranged on a supply plane (13), wherein these two planes are respective parallel vertical planes that are horizontally spaced apart from each other. The physical separation of the supply stations from the processing stations allows an effective noise shielding of the processing stations and the use of larger supply rolls in the supply stations, as well as improved accessibility of the equipment.

Abstract: A system for embossing and crimping a plurality of sheet material web layers, including a first, second and third roll. The first roll including at least one element extending radially therefrom. The second roll has a resilient surface that engages the element to form a first nip therebetween. The third roll has a non-resilient surface that engages the element to form a second nip therebetween. In a preferred embodiment, the first roll includes at least a first and second element extending radially therefrom, with the first element having a greater radial height than the second element, which avoids contact with the third roll. The layers of sheet material web are embossed by the first and second elements as they are passed through the first nip, and are crimped together by the first element as they are passed through the second nip. In a preferred embodiment, the first roll includes a plurality of first and second elements arranged in a pattern.

Abstract: In a method for simultaneously welding to one another the layers of several pairs of thermoplastic foils arranged in a stack, a primary heat energy source is positioned between two pairs of thermoplastic foils, and welding heat energy is supplied to the two pairs via the primary heat energy source. The press for performing this method has two pressing elements for applying pressure to the stack of n pairs of layers of thermoplastic foils. The two pressing elements are positioned at opposite ends of the stack and force the layers of the pairs of thermoplastic foils toward one another. A stacked arrangement of n−1 flat, bar-shaped heating elements is aligned with the two pressing elements. Between two adjacent heating elements a respective pair of thermoplastic foils is received such that the pairs of thermoplastic foils alternate with the heating elements. The stacked arrangement of the heating elements is arranged in a plane that is perpendicular to the planes of the thermoplastic foils.

Abstract: An apparatus (10) and method for forming differentially frangible seals (FS) in a final closed pouch (FCP) are described. The method involves differential cooling a seal portions of pouch forming dies (15, 15A) with a fluid directed at or in a portion of the die. The method is useful for forming pouches with dual chambers separated by a frangible seal and surrounded by a hard seal, one chamber for a liquid (L) and the other chamber for another material (M). Single pouches are also described.

Abstract: A device for the transverse welding of plastic webs to produce bags and the like has a welding beam with a rounded edge turned toward the web juxtaposed with a welding roller which can have a plurality of rings mounted thereon to advance the weld seam length or transverse the welding width the rings can be coated with polytetrafluoroethylene and adjustment of the device to greater or reduced welding widths is accomplished by adding or subtracting the rings which are contiguous with one another.

Abstract: A method and apparatus for sealing a business form having pressure activated adhesive utilizes a minimum amount of equipment in a simple arrangement that has optimum versatility. Sealing is accomplished utilizing a first set of rolls which has a first substantially continuous roll and a second roll having a non-round shape with at least one projection (and typically having a configuration that in end view substantially simulates an airplane propeller including first and second projections angularly spaced about 180°). The first and second rolls are mounted in position for rotation about parallel axes so that the projections come into operative association with the first roll to perform the sealing action in a first position, and at a second position the entire second roll is not in operative association with the first roll. A stepper motor controls the rotation of the second roll.

Abstract: An ultrasonic seam welding apparatus for seam welding at least two sheetlike work pieces piled one above the other by imparting ultrasonic osculation is expressed through the ultrasonic binding and cutting quill assembly. The ultrasound seaming and cutting apparatus comprises a receptive resonant horn or wheel for receiving a rotating anvil wheel and a cutting surface thereon. An apparatus and receiving component having overlapping surfaces and welding the components together with the use of ultrasound. An ultrasound emitter and wheel receives the high frequency current and converts it into mechanical ultrasonic vibrations having the same frequency.

Abstract: Disposable garments of the training pants variety include a cuff which is rolled inwardly from the plane of each leg opening. The rolled cuff feature is obtained during production by stretching a unitary elastic sheet across the machine web in a direction lateral to the direction of manufacture, and then cutting leg openings through the elastic sheet and an adjacent outer web. The machinery for manufacturing the garments includes various features which facilitate the manufacture of this garment, including a reciprocating cutting knife and an associated accumulating conveyor for providing a reciprocal motion into the reciprocal knife. The manufacturing apparatus also includes features for maintaining core pads in the desired alignment, and various other features.

Abstract: An apparatus for longitudinally welding and severing superposed thermoplastic films forming a packaging hose includes first and second feed rollers each having an outer periphery contacting one another for advancing the films passing therebetween; a drive for rotating at least one of the feed rollers; a circular heating disk mounted in the first feed roller coaxially therewith and having an outer diameter greater than the peripheral diameter of the first feed roller; and a circumferential groove provided in the second feed roller in alignment with the heating disk. Peripheral portions of the heating disk project into the circumferential groove of the second feed roller.

Abstract: A ruffling slide for making articles with stretchable portions includes a tubular sleeve for containing at least one resiliently elastic yarn element connecting the portions transversely provided on the sleeve and space apart in such a way that they define tubular ruffling sections. The connecting portions also form narrowed portions for locally clamping the elastic yarn elements. The yarn element inserts into the sleeve and is clamped at the narrowed portions in such a way that it extends freely through each tubular section and is movable therein between two positions, i.e., an inoperative position and an operative position in which said element is shorter than the section in question, whereby it may subsequently impart a ruffle thereto in a direction substantially perpendicular to the general direction of the sleeve.

Abstract: An apparatus for dispensing a liquid or encapsulating a semiconductor device package on a tape is disclosed. The apparatus comprises: a dispensing station for dispensing a liquid encapsulant on the tape; a tape transfer station; a cover film attaching station for attaching a cover film to the tape to screen windows of the tape; and a cover film detaching station. The cover film is automatically attached to and separated from the tape by the cover film attaching station and the cover film detaching station. The apparatus prevents the liquid from flowing under the tape. In addition, a method for encapsulating a semiconductor device package having a tape is disclosed.

Abstract: An apparatus and method for effecting an operation on at least one moving substrate web is disclosed. The apparatus comprises a rotatable bonding roll that is located adjacent the substrate web and configured to rotate about a bonding axis. A rotatable anvil roll has an anvil surface and is configured to rotate about an anvil axis to press the substrate web against an outer peripheral bonding surface of the bonding roll thereby bonding the substrate web. At least three support wheels are configured to contact the bonding surface of the bonding roll and to hold the bonding roll in a substantially fixed position.

Abstract: A method of forming a multi-ply web by embossing a first ply between a first pair of matched embossing rolls including a first embossing roll having protuberances formed in a substantially rigid outer surface and a second embossing roll having protuberances formed of a resilient material thereby forming raised portions and recessed portions in the first ply, embossing a second ply between a second pair of matched embossing rolls including a third roll having protuberances formed in an outer surface formed of a resilient material and a fourth roll having protuberances formed in a substantially rigid outer surface thereby forming raised portions and recessed portions in the second ply with the first and second pairs of matched embossing rolls being positioned such that the first embossing roll is positioned adjacent the third embossing roll forming a nip region between the respective protuberances formed in each roll.