Abstract:
There is provided a device for bonding ceramic structural bodies. In the state in which a set of ceramic structural bodies provided with a bonding agent between bonding surfaces and provided with elastic sleeves disposed on a peripheral surface of the set of the structural bodies are placed in a tubular container with an elastic sheet disposed between the elastic sleeves and the tubular container, the device is able to charge a hydrostatic pressure medium between the tubular container and the elastic sheet to press and bond the structural bodies. By bonding the ceramic structural bodies with the device, it may provide accurate positioning of the bonding surfaces. It may also provide a uniform distance between bonded surfaces, and reduce the number of bonding operations, thereby affording an excellent working efficiency.
Abstract:
A tufted carpet is provided having a primary backing with yarn comprised of at least 85% by weight of fibers selected from the group nylon fibers, wool fibers, and blends thereof. A polymer adhesive is applied to the back side of the tufted primary backing, which adhesive consists of at least 85% by weight of one or more ethylene copolymers each comprised of 50 to 95 weight % of ethylene, and 5-50 weight % of at least one comonomer selected from the group of esters and carboxylic acids. The polymer adhesive has a melt index greater than 150 and a tenacity at room temperature of at least 5 Mpa. A secondary backing is adhered to the back side of the primary backing. Preferred comonomers in the ethylene copolymer adhesive include vinyl acetate, butyl acrylate, methyl acrylate, methacrylic acid, and acrylic acid. A process for making the tufted carpet of the invention is also provided.
Abstract:
A method to obtaining a product formed by a discontinuous/interrupted material and backing, using a continuous gluing/heating machine. A base material is provided with a thermo adhesive resin or an elastomer. A discontinuous/interrupted material is placed over the base material and pressed or joined to form a product comprising the base material and the discontinuous/interrupted material. The combined produce undergoes a predetermined temperature and a predetermined pressure.
Abstract:
A method produces a decorative sheet with the use of an apparatus having a metallic endless belt that is wound on a first roller and a second roller, and an emboss roller that is placed to abut through the metallic endless belt onto the first roller. The method includes the steps of: adhering a first resin sheet having a pictured layer onto the metallic endless belt abutting the first roller; running the first resin sheet, adhered onto the metallic endless belt, along the outer circumferential face of the emboss roller; guiding a second resin sheet, moltenly extruded from a molten-resin extrusion means, between the emboss roller and the metallic endless belt abutted to the first roller; laminating and joining the second resin sheet to the first resin sheet; and embossing patterns onto the second resin sheet with the emboss roller during the laminating and joining step for the first and second resin sheets.
Abstract:
A first thermoplastic resin film is laid on a heated endless belt to be moved together with the endless metal belt, a second thermoplastic resin film is superposed on the first thermoplastic resin film laid on the belt, and the first and second thermoplastic resin films laid on the belt are touch-rolled by a combination of the belt and a second roller to be laminated. The second thermoplastic resin film can be superposed on the first thermoplastic resin film laid on the belt after being touched to the second roller. A thermally produced molding is obtained by heat treating the laminated thermoplastic resin film.
Abstract:
In order to manufacture sealing gaskets for receptacles containing aggressive chemical substances, one known technique consists in coating a film of PTFE or other plastic material onto rubber. However, in the past, it has been possible to ensure that the film adheres adequately to the rubber only by making use of an intermediate glue. The present method causes a film of PTFE to adhere directly on a sheet of rubber by treating one of the faces of the PTFE film by the corona effect and then rolling the treated film against the rubber while still raw and vulcanizing the resulting laminated structure.
Abstract:
A web of plastic material presenting filtering properties comprises a porous layer interconnected with a first non woven layer of plastic fibers.The porous layer is formed by heating another nonwoven of plastic fibers, having a lower plasticizing temperature than the fibers of the first non woven, to at least the plasticizing temperature of the fibers of the other non woven but below the plasticizing temperature of the fibers of the first non woven.The first nonwoven consists of polyester fibers and the other nonwoven, e.g., of polypropylene fibers.An apparatus for manufacturing such a web comprises a central roller, and endless felt band partially slung around said central roller, a heating member and a cooling element.In one embodiment the apparatus comprises a heatable central roller, a second endless metal band engaging a coolable second roller, said heatable central roller and an endless felt band partially surrounding the heatable central roller and a part of the metal band engaging said heatable central roller, non-woven material being passed between said endless metal band and said felt band (FIG. 2).In another embodiment the central roller is a coolable central roller, heating means being accommodated opposite a region of the central roller and a part of the metal band engaging said part of the central roller. The felt band engages the central roller before and after the region opposite the heating means (FIG. 3).
Abstract:
An endless belt for use in a machine for laminating a continuous strip of chipboard panel to a decorative film by passing the chipboard and film between a heated revolving drum and the endless belt which is pressed against the drum, wherein the endless belt is formed as a web of flexible steel wire strands preferably including a layer of elastic material such as rubber.
Abstract:
A lamination apparatus including a jig and a pad disposed facing the jig. The jig may include an accommodation groove, which is defined by a bottom surface, a first side surface bent and extending from the bottom surface, and a second side surface bent and extending from the bottom surface. The pad includes a pressing surface facing the bottom surface, a first pad side surface bent from the pressing surface in a direction away from the jig, a second pad side surface bent from the pressing surface in a direction away from the jig, a connection surface connecting the first pad side surface to the second pad side surface, and a recess recessed from the pressing surface, the connection surface, and the first pad side surface.
Abstract:
A cutting mechanism includes a cutter roll and a rotational driving mechanism for rotationally driving the cutter roll. The cutter roll has a roll body and a blade portion protruding from a peripheral surface of the roll body. The blade portion is formed at a same position on a circumference of the roll body and extends in an axial direction of the roll body. The cutter roll is arranged so that the axial direction is at a predetermined angle with respect to a pull-out direction of the reinforcing fiber material. The cutting mechanism further includes a slide mechanism that displaces cutter roll in the axial direction toward a side in the pull-out direction of the reinforcing fiber material at least when the reinforcing fiber material is cut.