Abstract: The present invention is directed toward compositions that are chemically different after application to a substrate as compared to the composition prior to its application. A method of the invention comprises a method of transitioning a crosslinked polymer composition from a first chemical state to a second chemical state. Advantageously, compositions of the invention are relatively stable after transformation to their altered, or second, chemical state.

Abstract: A laminated fabric floor product having an encapsulated fabric scrim within a vinyl resilient flooring structure. The laminated fabric floor product structure includes a PVC calendered base, a first hot melt film, a fabric, a second hot melt film, a calendered clear film, and a high performance coating. Traditional foamed and non-foamed substrates used in the flooring industry can be used in addition to the calendered base. All types of fabrics and scrims can be encapsulated. The fabrics can be both woven and non-woven types. Open scrims can be used with base layers that are printed or have a visual pattern so that design features and colors can be seen through the open areas of the scrim. The fabric layer can be printed with a design pattern and adhered to the base layer or substrate by the first hot melt adhesive film layer. The clear layer is adhered to the fabric layer by the second hot melt adhesive layer.

Abstract: Transducer suspensions are attached to actuator arms by means of bonding a portion of a thermoplastic actuator arm to the magnetic recording head suspension assembly. The actuator arm has rail portions that provide a channel in which the load beam and base plate flange fit. The rail portions are ultrasonically welded using a clamping ultrasonic horn, which causes melted plastic to flow over the flange The clamping ultrasonic horn causes heat to be applied and focused at prongs to cause the rails to flow and expand onto the flange rigidly connecting the base plate and load beam to the actuator arm.

Abstract: A composite structure (12) that includes a first layer that includes a membrane (16) having a first melting point and a plurality of structural elements and a second layer that includes a thermoplastic material (32) having a second melting point that is lower than the first melting point, wherein at least a portion of the thermoplastic material (34) is at least one partially melted to flow around at least one structural element of the plurality of structural elements of the membrane (16) prior to resolidification to attach the first layer (16) to the second layer (32). The membrane (16) can be oleophobic or oleophilic and preferably includes expanded polytetrafluoroethylene. The thermoplastic material (32) can be of virtually any type and can be either hydrophobic or hydrophilic.

Abstract: Disclosed is a compressible printing blanket in which voids are formed in the compressible layer by using microballoons, comprising at least two fabric layers, an adhesive layer interposed between adjacent fabric layers, a surface rubber layer, and a compressible layer arranged between the at least two fabric layers and the surface rubber layer and containing spherical voids and voids having a shape other than a sphere in a ratio defined in formula given below:

Abstract: A nonwoven web having first fibers and second fibers oriented generally perpendicular to the planar direction of the web. The first fibers are standard polyester staple fibers and the second fibers are staple fibers of a blend of polyester material having a melt temperature below the material of the first fibers and above the mold temperature of a subsequent molding process.

Abstract: A method of producing a metal laminate for a circuit board includes a first step of press-bonding a thermotropic liquid crystal polymer film 1 having a segment orientation ratio SOR within a range not smaller than 0.90 and smaller than 1.15 along the longitudinal direction of the film, to a metal sheet 3 between hot rolls while the thermotropic liquid crystal polymer film 1 is in a tense or non-tense state; and a second step of heating the laminate obtained in the first step to a temperature not lower than the melting point of the thermotropic liquid crystal polymer film.

Abstract: Thermoplastic welding is an emerging technology targeted at significantly reducing the manufacturing cost of aerospace structure by eliminating fasteners and the touch labor associated with fasteners to prepare, install, and inspect the assemblies. Quality welds are highly dependent upon achieving appropriate temperatures everywhere along the bond line. The present invention is a system that evaluates the quality of the welds involving inputting an EM pulse to the embedded susceptor and listening to the acoustic response that the pulse generates to determine weld quality from the sound.

Abstract: A polyolefin resin drawn sheet 4 is laminated on at least one face of a sheet-form core material 6 having a density of 30 to 300 kgf/m3. At this time, a sheet or film 5 made of a bonding synthetic resin or rubber having a flow starting temperature lower than the thermal deformation temperature of the core material 6 and the melting point of the drawn sheet 4 is interposed between the core material 6 and the drawn sheet 4. The resultant stack product is heated to not less than the flow starting temperature of the synthetic resin or the rubber and not more than the thermal deformation temperature of the core material 6 and the melting point of the drawn sheet 4. At the same time of or after the heating, the stack product is pressed to apply a compression strain of 0.01 to 10% to the core material 6.

Abstract: A process for producing an acoustically resistive layer, particularly for the nacelles of aircraft jet engines. The process includes producing a structural component by using thermoplastic resins, this component having a given quantity of open surface relative to the acoustic waves to be treated. The structural component is connected to an acoustic metallic fabric having a mesh adapted to the open surface quantity of the structural component. Then, the thermoplastic resin is heated under pressure at high temperature.

Abstract: A electronic component fixing method comprising: (a) applying first conductive bonding agent (3) onto first lands of a circuit board; (b) disposing first electronic component (2) on the first conductive bonding agent, followed by melting and hardening the first conductive bonding agent to bond and fix electrodes of the first electronic component on the first land; (c) fixing the first electronic component on the board by non-conductive adhesive (5); and (d) bonding and fixing electrodes of second electronic component on second lands of the board by second conductive bonding agent. Further, in one preferred embodiment, a melting temperature of the second conductive bonding agent is not less than a melting temperature of the first conductive bonding agent. According to the present invention, no accurate control of a position of application of the non-conductive adhesive is needed, making it very easy to perform the electronic component fixing operation.

Abstract: A method of manufacturing packages based on a film (10) and presenting at least one peelable zone, the method being characterized by the fact that it comprises the steps which consist in feeding segments (20) of strip or tape of peelable material on a film (10) that is to form the wall of the package, in flattening at least the ends of each segment (20), and in fixing each segment (20) of peelable material to the film (10). The invention also provides a machine for implementing the method, and packages obtained thereby.

Abstract: The present invention provides a soft-tissue prosthesis which is formed from a tubular textile substrate and a liner. The liner is affixed to the intraluminal surface of the tubular textile portion of the soft-tissue prosthesis to form a fluid-tight barrier on the intraluminal surface of the prosthesis. The liner is preferably formed from a polymer. Thus, the soft-tissue prosthesis formed in accordance with the present invention provides the advantages of both a textile prosthesis and a polymer prosthesis.

Abstract: A very thin hot-melt layer (1X) is supported and carried by one (3) of the two textiles (3, 15), and is heated from the surface opposite that which is in contact with the textile (3) which supports and carries it, until the whole thickness of said layer (1X) is plasticized; the other textile (15) is then brought up to the first, and the two textile (3, 15) are pressed together.

Abstract: A process for forming a multilayer composite insulator includes the steps of forming an insulator precursor by orienting an insulation insert in a desired location between a first facing layer and a polymer based blanket layer, applying differential heat to two opposing sides of the insulator precursor and applying pressure to the insulator precursor. Together, the applied differential heat and applied pressure mold the insulator precursor to a desired shape while also providing the polymer based blanket material with a first relatively high density adjacent a warmer of the two opposing sides and a zone of relatively low density adjacent the cooler of the two opposing sides. The process also includes the cooling of a molded precursor to set the insulator in the desired shape.

Abstract: Disclosed is a process for producing a laminate suited for use in producing disposable absorbent products comprising a nonwoven web formed from randomly dispersed fibers bonded with a crosslinked vinyl acetate/ethylene adhesive and a particulate polymeric absorbent entrapped within the laminate in fixed location by means of adhesively bonding the nonwoven web to itself or to another substrate, the improvement which comprises utilizing a nonwoven web incorporating an acrylic or vinyl acetate/ethylene adhesive having the following characteristics, and further, said nonwoven web adhesively bonded to itself or to another substrate through the crosslinked acrylic or crosslinked vinyl acetate/ethylene adhesive.

Abstract: A method is provided for producing a unique printable multi-layer composite structural material, and in turn a unique scratch-resistant, self-laminated printed material. A printable multi-layer composite structural material is formed which includes a first underlying substrate capable of being transported through a printing device, a second layer formed on the first layer which is flowable when heated to at least it's melting point and being fusible below it's melting point, and a third layer formed on the second layer which is printable. The third layer is also permeable so that when the second layer is in a flowable state it permeates through and about said second layer.

Abstract: A self-adhesive reinforced foam gasket comprising a release liner having an upper surface which is a release surface, a layer of pressure sensitive adhesive applied to the release surface, a layer of flexible polymeric film, preferably polyester film, applied to the pressure sensitive adhesive layer, and a layer of flexible foam, preferably closed cell PVC flexible foam, thermally bonded to the flexible polymeric film layer. A length of material for die-cutting the gasket therefrom is provided, along with a method of making the length of material. The gasket may be used in automobiles and other applications.

Abstract: An apparatus and method for making a paint roller are disclosed. The apparatus includes a mandrel, a first core material strip feeder, a second core material strip feeder, a fabric cover strip feeder, a first heater, a second heater, a first liquid adhesive applicator and a second liquid adhesive applicator. The first core material strip feeder feeds a first strip of core material about the mandrel. The second core material strip feeder feeds a second strip of core material about the mandrel. The fabric cover strip feeder feeds a strip of fabric cover material about the mandrel and about at least one of the first and second strips of core material. The first and second heaters are actuatable between a first active state in which the first and second heaters apply heat to an outer surface of the first and second strips of core material, respectively, and an inactive state.

Abstract: Hot-melt webs are located on an outer surface of a pad member and an inner surface of a cover member, individually. The pad member and the cover member are heated to melt the hot-melt webs by means of heaters from the sides opposite the webs, individually. As fibrous hot-melt adhesive elements are cut at every turn and separated to insular pieces, they are distributed like mist drops in the outer surface of the pad member and the inner surface of the cover member. Thereafter, the pad member and the cover member are superposed and pressurized so that they are bonded to each other.

Abstract: The present invention provides an information carrier which has flat surfaces, is excellent in beautiful appearance and permits beautiful necessary printing, and a production process which permits easy and inexpensive production of such an information carrier. An IC chip 1 and a coil 2 connected to the IC chip are embedded in a substrate 3 composed of a nonwoven fabric. The IC chip and the coil are held between two nonwoven fabrics produced according to a conventional production procedure. The laminate of the nonwoven fabrics is fed to a roller or a press and the two nonwoven fabrics are hot-pressed, whereby their mating surfaces are joined with or without an adhesive (including low-melting synthetic resin fiber) incorporated into the webs. After positioning of the coil in the thus obtained raw product of information carrier, the laminate of the nonwoven fabrics and cover sheets is cut to obtain an information carrier of predetermined shape and size.

Abstract: A plastic pallet assembly is formed from plastic lumber by melting sections of runners and cross members and contacting them to join said runners and said cross members to form a pallet. A machine having an assembly table, cross members for supporting and moving pallet runners in a vertical direction, a support table for a pallet cross member, hot plates moveable in a vertical direction and in a horizontal direction for insertion between the runners and the cross member, and a force bar moveable in a vertical direction for applying a force to the runners, hot plates and cross member.

Abstract: The invention relates to a method for butt welding cross-linked polyethylene pipes in order to use these pipes in industrial and underground pipeline construction. The pipe faces are spatially melted on using a serrated heating element at a temperature >420° C. but <450° C. with a warming up time of greater than sixty seconds such that enlarged and serrated pipe faces are produced whose integral melt layers join during the joining process while under a welding pressure of 0.1 to 0.4 N/mm2.

Abstract: Disclosed is a process of forming a prepreg material having substantially no voids. According to the process of the invention, the reinforcing material is heated to a temperature above the temperature of the impregnating resin. The prepreg formed has substantially no voids and does not require lengthy consolidation when formed into useful articles.

Abstract: A window frame is formed of a plurality of plastic section pieces welded together at their ends. The ends of the plastic section pieces also have surfaces which abut one another. The plastic section pieces are not welded at the abutting surfaces. The unwelded abutting surfaces can therefore be used to define the length of the window frame.

Abstract: Shaped elastomer portions are to be produced on an elastomer seal. For that purpose the shaped elastomer portions are provided with a thermoplastic layer, preferably by co-extrusion. The thermoplastic layer is converted into a molten state by heating. The shaped elastomer portions are then pressed against oppositely disposed regions of the elastomer seal and cooled until the thermoplastic layer has hardened again and a fixed bond has occurred on the one hand in relation to the shaped elastomer portions and on the other hand to the elastomer seal.

Abstract: The invention provides a method for imparting topographical or protective features to a substrate by contacting a sheet material comprising a thermoplastic layer with a substrate and heating the sheet material to an elevated temperature. The invention also provides a sheet material which comprises at least one layer consisting essentially of one or more thermoplastic, melt-flowable polymers that are semi-crystalline at room temperature.

Abstract: An EMI shielding enclosure, for an electronic assembly, comprising a ground plane of a printed circuit connected to a shaped EMI shielding cover. The cover results from thermoforming a composite sheet of several layers, including a carrier for a fibrous metal mat that has fibers substantially surrounded by a fiber-coat. Connection of the cover to the ground plane, to form the EMI shielding enclosure, requires the fiber-coat to adhere to the printed circuit in the vicinity of the ground plane.

Abstract: The present invention relates to a polyester resin-covered metal sheet exhibiting superior formability and particularly suitable to withstand the stresses of drawing, drawing and ironing, drawing and stretch forming, or drawing and stretch forming followed by ironing. The resin-covered metal sheet is produced by contacting a biaxially oriented polyester resin film to a metal sheet heated above the melting temperature of the resin, covering the metal sheet with the polyester resin, pinching and press laminating the film-metal sheet composite, and cooling the laminate at a rate of 600° C./second immediately thereafter. It is essential that the resulting resin-covered metal sheets exhibit a true stress of 3.0 to 15.0 kg/mm2, corresponding to a true strain of 1.0 at 75° C. These laminates also exhibits a gradation of retention of the polyester resin's original biaxial orientation.

Abstract: According to this process for inclusion of a thin electronic label (1) with a flat face, at a predetermined depth in the wall of a molded item made of plastic material (15) at a predetermined temperature and pressure, the flat face of the label (1) is first attached to a support (5) made of a plastic material, with a thickness essentially equal to the desired inclusion depth, the support (5) is attached to the wall (13) of the mold, then the plastic molding material (15) is brought into the mold (13, 14) at said pressure and temperature so that an intimate bond is formed by melting in the region of contact (8, 9, 10, 16) between the two plastic materials at the time of molding.

Abstract: Methods for enhancing adhesion between at least two surfaces, preferably of at least two different materials, using a powdered surface preparation composition.

Abstract: Disclosed herein is a process for melt-bonding a molded article of a thermotropic liquid crystalline polyester with a metal, which comprises activating or irradiating a surface of a molded article of a thermotropic liquid crystalline polyester resin and melt-bonding the surface with a metal at or above the flow temperature of the thermotropic liquid crystalline polyester.

Abstract: A holder secured to the tip of a cutting torch supports a guide about which a hole is to be cut in a steel pipe or sheet. A fixture, magnetically attached to the pipe or sheet supports a magnetically retained fitting to be tack welded to the cut hole at the desired angular orientation relative to the pipe or sheet. After the fitting is tack welded, the fixture is removed and the weld is completed.

Abstract: The present invention relates to a method of manufacturing a part made of a composite material comprising reinforcing fibers embedded in a matrix made of a polymerizable and/or crosslinkable material, wherein:

Abstract: A method for making a screen for a vibratory separator, the method including placing at least one layer of screening material below a glue application apparatus, the glue application apparatus including a main body and a plurality of movable glue nozzles movably connected to the body, applying with the movable glue nozzles an amount of glue, in a pattern to at least a portion of the at least one layer of screening material by moving the movable glue nozzles over the at least one layer of screening material. The method wherein the glue application apparatus includes at least one stationary glue nozzle secured immovably to the main body, the method including applying at least one shearable glue bead having a length to the screening material so that shearing the screening material along the length of the at least one shearable glue bead produces separate sections of the screening material.

Abstract: The present invention includes a method for making a bio-based carpet material by providing tufts, a backing, a pre-coat, and a backing material wherein the pre-coat includes the reaction product of a pre-coat A-side having a pre-coat isocyanate and a pre-coat B-side and the backing material includes the reaction product of a backing material A-side having a backing material B-side. The pre-coat B-side and the backing material B-side may include a petroleum based polyol; a vegetable oil, cross-linker, and a catylst; or a transesterified poylol.

Abstract: The invention relates to a textured surface covering having a hot melt wear layer and methods of applying the hot melt wear layer to a textured or embossed surface without distortion of the visual image of the textured substrate. The wear layer substantially follows the contours of the substrate with minimum change in thickness of the wear layer over the textured surface and provides an aesthetically pleasing three dimensional appearance to the textured surface of the substrate. Melt applying the melt processable polymer resin to the textured substrate with a conformable pressure roll deter entrapment of bubbles between the wear layer and the textured substrate. Therefore, the wear layer exhibits significant clarity and visual depth, as well as improved maintenance (cleanability) properties. The resulting product has a visual image clarity reflecting any texture in the substrate including very light reflective (lenticular moray) embossings.

Abstract: A method of producing a security element for electronically securing an object, a device for producing the security element and the security element itself form aspects of the present invention. The security element includes a strip element embedded in sheathing. The sheathing has a melting temperature below that of the strip element. The method has associated steps and the device has associated elements for producing the security element from the strip element and sheathing. In each aspect, the ends of the strip element and sheathing are heated and the sheathing ends pulled to seal the strip element in the sheathing.

Abstract: A free paint film is formed and applied to a substrate with heat, pressure, or both. The free paint film includes an outer layer formed from a composition that includes an olefinic material. The olefinic material is an olefin-based block copolymer with an olefin block that is at least substantially saturated and at least one (poly)ester or (poly)ether block, an at least substantially saturated polyolefin polyol having a number average molecular weight of from about 500 to about 20,000 or a derivative thereof, or a combination of both.

Abstract: A method of forming a carpeted plastic part includes positioning a carpet between first and second mold halves, wherein the carpet has a back surface. A non-reinforced plastic strip is positioned adjacent a portion of the back surface of the carpet. A hollow parison of reinforced plastic material is formed between the first and second mold halves. The first and second mold halves are then closed together to form a carpeted plastic part having a thinned-down region of the reinforced plastic material adjacent the plastic strip such that the plastic strip is sandwiched between the thinned-down region and the carpet to form a flexible living hinge.

Abstract: A multi-layer article which may be provided in the form of a tape comprises a conformable, compressible, melt flow-resistant core layer having first and second major surfaces, a sealant layer on the first major surface of the core layer, and optionally a bonding layer on the second major surface of the core layer. The sealant layer and the bonding layer each have a surface available for contacting a separate substrate. Various thermoset and foam core layers are disclosed as are thermosettable and thermoplastic sealant layers. The articles are useful for sealing two substrates together, particularly where one of the substrates is glass. Thus, the articles are especially adapted for sealing motor vehicle windshields to a frame. Various assemblies and methods for producing the same are also described.

Abstract: A method of backing a carpet, comprising the steps of applying, to the back of a carpet, an aqueous emulsion composition prepared by adding a polyisocyanate compound to a specific high-solid-content emulsion compound, laminating a fabric to the composition-applied surface of the carpet, and thermally curing and then drying the emulsion composition applied; and a carpet backed by this method. The aqueous emulsion composition for use in this method is highly safe and easy to handle. Moreover, even when this emulsion composition is applied to the back of a carpet to a thickness of as great as 1 mm or more, it is cured and dried in a short time. The shortcomings in the conventional methods using aqueous emulsions can thus be successfully overcome by this method.

Abstract: The invention relates to a structured textile material made of at least two different, needled base nonwoven fabrics. The base nonwoven fabrics have a structure obtained by needling from at least one side. The needles used for the structure needling are fork needles or crown needles, and the depth of the forks and barbs, respectively, is so selected that, when piercing through, they completely fill up with fibers of the base nonwoven fabric facing the needles. The textile material have unmixed, pure fibers in the pattern, in the background and on the reverse side.

Abstract: A laminated sheet having electromagnetic wave shielding effects and a manufacturing method therefor are provided wherein the laminated sheet is transparent, has electromagnetic wave shielding effects and is easily manufactured, moreover, an earthing terminal can be easily connected to the laminated sheet, and post-processing such as ultrasonic adhesion and the like can be easily conducted on the laminated sheet.

Abstract: A resin composition with a low dielectric constant comprises: (a) a functionalized cyclic olefin copolymer; (b) a mixture of epoxy resins; and (c) a curing agent. A laminate and a resin coated clad made of the resin composition exhibit reduced dielectric constants of 3.3 and 2.9 at 1 GHz, respectively.

Abstract: Packaging having reactive polymers incorporated into paper and foam core materials. In one embodiment, the packaging protects the contents from corrosive gases. In an alternate embodiment, the packaging protects the contents from mildew and fungus.

Abstract: A multi-layer article which may be provided in the form of a tape comprises a conformable, compressible, melt flow-resistant core layer having first and second major surfaces, a sealant layer on the first major surface of the core layer, and optionally a bonding layer on the second major surface of the core layer. The sealant layer and the bonding layer each have a surface available for contacting a separate substrate. Various thermoset and foam core layers are disclosed as are thermosettable and thermoplastic sealant layers. The articles are useful for sealing two substrates together, particularly where one of the substrates is glass. Thus, the articles are especially adapted for sealing motor vehicle windshields to a frame. Various assemblies and methods for producing the same are also described.

Abstract: A method for joining thermoplastic resin molded products by pressing together joining surfaces of two molded products with electric resistance wire therebetween is provided, wherein the method comprising: a first step in which electric resistance wire 20 is sandwiched between the joining surfaces of two molded products which are to be joined, pressure is applied at a first predetermined pressure, and current of a predetermined value is applied for a predetermined time to the electric resistance wire, so that the resin around the electric resistance wire is melted by the thermal energy produced in the electric resistance wire while the surfaces of the two molded products that are to be joined are held at a predetermined interval; and a second step in which, following the conclusion of the first step, the current being applied to the electric resistance wire is stopped, and a second predetermined pressure is applied to attach the molten resin under pressure.

Abstract: A laminated panel-type structure particularly suited for vehicle interior applications such as headliners and door panels has a multiple denier polyester fiber core and randomly oriented structural reinforcing fibers. The laminated structure has superior sound attenuation properties resulting from a core of intertwined polyester fibers of differing deniers, with preferably relatively larger denier fibers on exterior areas of the core and some bicomponent fibers, short non-woven reinforcing fiber strands which are randomly attached and intertwined with the core on opposing major sides of the core, an impervious polymer film with a low melt layer which retains the reinforcing fibers against one side of the core and is attached to a scrim layer, and a polymer web on an opposite side of the core which retains the reinforcing fiber strands on the opposing major side of the core and to which a cover stock is applied.

Abstract: The present invention is generally characterized in an angled rotary tissue cutting instrument including an outer blade assembly, having a rigid tubular member with proximal and distal portions connected by a bead, and an inner blade assembly rotatably disposed within the outer blade assembly and including a tubular drive shaft at a proximal end, a cutting tip at a distal end, and a flexible coupling disposed between the drive shaft and the cutting tip. The drive shaft and cutting tip include neck portions which are disposed telescopically within proximal and distal ends of the coupling.