Abstract: A method of producing a developing roller applicable to a developing device included in an image forming apparatus and capable of carrying a great amount of toner thereon by generating microfields. The surface of a conductive base is covered with a net constituting of conductive fibers and dielectric fibers woven together. The fibers are heated by a heater to melt with the result that conductive portions and dielectric portions appear on the surface of the developing roller.

Abstract: A helical structure with a high toughness includes a number of helical elements as an artificial substitute for collagen filament constituting a biological tissue, which can be easily exchanged for a part so as to permanently extend the service life, and which can be easily assembled into a required structure and vice versa. The helical elements are made of wiry materials with a predetermined diameter helically wound with a predetermined lead and pitch so that the diameter of the helix of the helical elements is about two times that of the wiry material. The form of the crest of the structure may correspond with that of the trough, and the trough may be located outside the center of the helix. A number of the helical elements are collectively solidified with their mutual troughs and crests united side by side.

Abstract: An all synthetic corrugator belt seam for joining corrugator belt sections constructed of a multi-layer fabric wherein each of the ends of the fabric is separated by removing intermediate CMD and MD yarns to form separated upper and lower fabric end portions and securing a seam tape between the separated layers at each end of the belting. The seam tape is sandwiched between the separated layers and completely enclosed therein when the layers and seam tape are secured together so that interruption of the otherwise continuous belting is minimized.

Abstract: A method of making a laminated panel with an embedded wiring harness begins with the steps of providing at least two separate layers of material and a length of wire. A portion of the wire is deformed into a circuitous pattern that results in a deformed wire with a length significantly shorter than the original undeformed length of wire. The wire is then positioned between the layers of material, which are then laminated together into a laminate. The laminate is then cut into a shaped laminated panel with the deformed wire being adjacent the cut edge of the panel. Finally, the deformed wire is pulled away from the cut edge of the laminated panel and used as an electrical lead for attachment to a power source, antenna or some electrical device.

Abstract: A carbon/carbon composite having an oxidation protection outer coating system comprising a coating of a glass, a coating of a ceramic, and a wrap of a ceramic containing fabric.

Abstract: A dryer fabric for use with drying drums in a dryer section of a paper forming machine wherein a plurality of transversely extending filament yarns interconnect a plurality of transversely extending filament yarns to form the dryer fabric as a continuous loop. The dryer fabric is formed with a plurality of silicone strips along its edge portions to prevent wear due to abrasion and heat, the silicone rubber encapsulates end portions and edge ones of the yarns forming beads along the outer surfaces of the dryer fabric which separate the yarns from direct contact with the drums. The dryer fabric is capable of operating at temperatures of between 350.degree. to 500.degree. F. in a paper forming machine without accelerated degradation.

Abstract: A cut resistant fabric is made from woven or knitted yarn; the yarn includes a cut resistant fiber having a tenacity of less than about 10 grams/denier. A cut resistant fabric is made from woven or knitted yarn. The yarn includes a polyethylene fiber having a tenacity of less than about 10 grams/denier and a molecular weight of about 100,000. The yarn may be in the form of a composite yarn having a core and a wrap. The polyethylene fiber is in the wrap.

Abstract: A method of producing a packing product includes the steps of feeding at least one sheet of material in a first direction; cutting the at least one sheet of material into a plurality of strips; the cutting being performed by rotating two sets of alternating, overlapping cutting discs; the feeding of the at least one sheet of material being between the two sets of cutting discs; advancing each of the strips by the rotating of at least an outer surface of a corresponding one of the cutting discs as the outer surface moves in the first direction; restricting each strip from continued advancing in the first direction; and sequentially folding each of the strip means by the restricting in opposition to the advancing. There is included apparatus and means for producing the packing product.

Abstract: A spirally woven fabric as well as a prepreg and a rotary body each using the fabric therein is adapted for use as materials for high-speed rotary bodies such as flywheels for electric power storage. The fabric composed of interwoven warps and wefts is such that its warps are arranged in a spiral direction, and the warps positioned more outside in the radial (weft) direction have a higher specific elastic modulus in the warp direction than those positioned more inside in the radial direction whereby a rotary body made of the fabric is enabled to be rotated at a higher rotating speed without breakage of the wefts and consequent peeling-off between the warps.

Abstract: A fiber reinforcing mat is used proximate a through hole in an automotive structural element in order to reinforce the element in the area approximate the through hole. The fiber reinforcing mat is comprised of a warp having a plurality of radially extending loops and a weft which is woven through the loops in a spiral fashion. Since the weft is configured as a spiral, weft material is more dense in the area close to the through hole than in the area distal of the through hole. Consequently, the stiffness of the structural element decreases gradually in radial directions away from the through hole.

Abstract: The present invention provides a conveying apparatus comprising a plurality of rotary members; a frame for supporting the plurality of rotary members; and an endless belt wound around the plurality of rotary members and moved by rotation of the rotary members to convey a sheet, the belt including a core embedded within the belt and formed by weaving threads extending in a circumferential direction of the belt and threads extending in a widthwise direction of the belt; and wherein, in order to cancel a deflection force of the belt generated by the cause of distortion of the frame when the rotary members are rotated to shift the belt, each of the threads extending in the circumferential direction in the core has a constant twist direction to generate a deflection force opposite to the aforementioned deflection force.

Abstract: An improved battery plate and method of making for an electric storage battery. The battery plate comprises a plurality of metallic fibers of a single or plural diameters randomly oriented and sintered to provide a conductive battery plate with a multiplicity of pores defined therein. The metallic fibers are formed by cladding and drawing a plurality of metallic wires to provide a fiber tow. The fiber tow is severed and the cladding is removed to form metallic fibers. The metallic fibers are arranged into a web and sintered to form the battery plate.

Abstract: A reinforcing member for civil and architectural structures is made up of a mixture of reinforcing fibers and thermoplastic fibers which become thermoplastic at a temperature which is lower than a temperature at which the reinforcing fibers become thermoplastic. The thermoplastic fibers may be mixed into each bundle of the reinforcing fibers. The mixture may be formed by arranging respective fiber bundles of the reinforcing fibers and fiber bundles of the thermoplastic fibers. It may also be made by mixing the thermoplastic fibers and an electrically conductive heat-generating wiring material into the reinforcing fibers.

Abstract: This invention pertains to papermaking felts, methods of making such felts, methods of using the felts, and methods of making paper using such felts. A felt of the invention contains at least one substrate web having a fuse-bonded joint extending across the width of the felt. The joint is preferably formed by superposing, onto each other, end portions of a flat-woven substrate web element, with the end portions extending away from the ends in a common direction, and concurrently severing the ends from the end portions, and fuse bonding the end portions to each other, along a common cut line.

Abstract: A spiral fabric comprising a plurality of coils having loops meshed together to form channels at points of overlap between adjacent loops, locking pins positioned in the channels to join adjacent coils to form a mesh, and the improvement wherein a cable structure of at least two thermoplastic filaments is used as at least one component of the fabric.

Abstract: A spiral link belt has a plurality of plastic helices connected to one another which interlock in the manner of a slide fastener with neighboring helices. Overlapping widening arcs form a channel and pintle wires run through the channels and thereby connect the helices. Flat wires are inserted in the helices to reduce the air permeability of the spiral link belt. The flat wires are tilted relative to the plane of the spiral link belt. The flat wire running inside a helix can be wider than the smallest distance between the two helices connected to this helix. During production, the spiral link belt is thermoset only after the insertion of the flat wires.

Abstract: A dryer fabric for use with a dryer section of a paper forming machine wherein a plurality of transversely extending pintles interconnect a plurality of transversely extending coils to form the dryer fabric as a continuous loop. The dryer fabric is stabilized and its edge portions are protected from wear by a U.V. silicone rubber which encapsulates end portions of the pintles and coils and forms a bead along outer surfaces of the dryer fabric. The dryer fabric is capable of operating at temperatures of between 350.degree. to 500.degree. F. in a paper forming machine without accelerated degradation.

Abstract: An artificial turf with high water rentivity. A cut pile is formed over the surface of a backing structure by implanting a multiplicity of tufts. Each tuft comprises one or a plurality of pile yarns. Each of the pile yarns is composed of one flat filament or a plurality of bundled flat filaments twisted and fixed in the twisted state into a slender form having an approximately spiral cross section. A pile yarn for such artificial turfs and a process for producing such a pile yarn.

Abstract: The invention relates to a yarn guidance rod 1 and to a device for the laying of a yarn on a cross-wound bobbin in a textile machine 8.A plurality of winding stations installed next to each other is serviced by a yarn guidance rod made of a carbon fiber reinforced plastic which can be moved back and forth. The yarn guidance rod 1 is provided with a sheathing 3. The yarn guidance rod 1 has segments made of a highly heat-expandable material in order to achieve heat compensation.

Abstract: A novel form of sandwich construction is disclosed. The lattice core sandh construction comprises of elongate lattice cells in side-by-side abutment, to present common, lengthwise flat sides that have facesheets co-cured thereto without any secondary bonding. Each lattice cell is formed by wrapping, in alterate patterns, fiber-reinforced, composite bands around commonly-shaped mandrels. Opppositely disposed face sheets are placed against flat sides and the construction co-cured. After co-curing, the mandrels are removed.

Abstract: A flat, heat recoverable shrink object is comprised of a plurality of core strands placed in a parallel position and each having a polymeric, thermoplastic or crosslinked core around which is coiled a high tensile strength thread such as glass, metal, cotton polyamide etc. These core strands are combined with high strength threads extending transverse to the core strands and being e.g. interwoven or looped or just superposed; All these parts are embedded in a crosslinked, heated stretched and cooled-again polymer layer whereby the coiled helices are stretched accordingly. This flat object is applied to other objects for being heat shrunk thereon. The two high strength threads tear proof the object particularly during its being made.

Abstract: A multi-vane structure for incorporation in an aircraft gas turbine engine has vanes of complex geometry made of braided fibers which are continuous about the cavities defined by the vanes. These complex geometry parts are prepared by providing a plurality of removable mandrels, stacking the mandrels along a horizontal axis in a cavity end to cavity end configuration, braiding about the mandrels, cutting the mandrels adjacent the cavity end faces, side stacking the mandrels so the faces are placed in a parallel orientation and molding. Utilizing braided fibers instead of hand lay-up woven fibers eliminates seams and produces cavities having continuous fibers about the periphery thereof which substantially increases the strength and dimensional reproducibly of the part.

Abstract: A pre-stressed composite liner structure is provided for tribological syss typically associated a pump, engine, compressor or systems having bearings rotating within a journal. A hollowed ceramic core is concentrically wound with cladding material in the form of a filament or braid. The ceramic core and the wound cladding form an interference fit with one another to pre-stress the ceramic core in terms of tensile strength.

Abstract: A stuffed spiral link fabric, providing a supporting surface for transporting a web includes a plurality of synthetic spiral coil members connected together serially by elongated hinge members extending through intermeshed portions of adjacent intermeshing spiral coil members to form a spiral link fabric and a plurality of elongated shaped synthetic stuffer yarns extending through central portions of the spiral coil members to form a stuffed spiral link fabric. The stuffed spiral link fabric is heat set to form a fabric in which each spiral coil member has a cross sectional shape having arcuate ends joined by substantially straight portions and a central portion of each spiral coil member is substantially filled with a stuffer yarn which engages and is clamped to each intermeshed portion adjacent thereto, reducing the air and moisture permeability of the fabric and increasing the fabric stability. The stuffer yarn is modified in shape and trapped in place in the spiral fabric by the heat setting step.

Abstract: There are described composites containing as the matrix a polymeric organic compound and as the reinforcing material polyether ketone (PEK) single, folded or cabled yarn or fabric formed from such single, folded or cabled yarn. In the composites of the invention, the polyether ketone single, folded or cabled yarn exhibits crimp.The composites of the invention are notable for excellent adhesion between matrix material and reinforcing material.

Abstract: A wire-link, such as a filament-link belt for process purposes, in particular one serving as a clothing for paper-making machines, with a plurality of juxtaposed, mutually engaging wire-coils comprising end-arcs enclosing plug-in wires and turn-legs connecting the arcs, is characterized in that the turn-legs of at least a part of the wire-coils alternate each time between two end-arcs at least once between the flat sides of the wire-link belt.

Abstract: A frictional material is made of cloth which is impregnated with a bituminous material and/or a synthetic resin. The cloth is woven from a yarn made by twisting single yarns with reinforcing metal wires. The single yarn consists of a center core in the form of a roving or a yarn of inorganic fibers such as glass fiber, rock wool or ceramic fiber and a covering element in the form of a sliver of organic fibers such as staple fiber, aromatic polyamide fiber or flame-resistant fiber. The frictional material obtained is excellent in physical strength and in resistance against heat, effective for preventing dispersion of dust and irritation to human bodies, and advantageous from the viewpoint of cost.

Abstract: The present invention relates to a novel chemical and oxidation resistant gasketing or sealing material, such as packing yarn. More particularly, there is provided packing yarn comprising carbonaceous fibers which can be used at temperatures over 400.degree. C. that derived from oxidized polyacrylonitrile fibers and have good dry lubricity.

Abstract: A fibrous thermal insulation comprising an intimate blend of A) an effective amount of non-graphitic carbonaceous fibers having an LOI value greater than 40, a percent char value greater than 65, and a thermal conductivity less than 1 BTU hr ft.sup.2 /.degree.F. for providing a synergistic improvement in fire resistance, and B) hollow thermoplastic fibers.

Abstract: A rubber article having a fiber reinforcement embedded therein. The reinforcement comprises a cylindrically braided cord of an even number of twisted yarns of four or more, an equal number having an twist, i.e. twisted to the right, and a Z-twist, i.e. twisted to the left. The angle difference between a first twisting angle of a yarn and a final twisting angle of the cylindrically braided cord is set at less than 10.degree..

Abstract: Fibrous network structures are produced within liquid polymer resins by passing the fiber-containing resin along a channel having a plurality of sets of flow modifying elements which establish a regulated succession of velocity profiles for the principal flow direction and the two directions perpendicular thereto. The individual velocity profiles persist over distances which are small compared to the channel dimension over which they are established and are such that there is substantially no net deviation from the principal flow direction. The velocity profiles superimpose on each other to cause rotation and sliding of the fibers so that a coherent network structure is built up which persists through extrusion dies and molds into the solid state. By means of a large number of touches per fiber the structures thereby established confer efficient mechanical reinforcing properties and enhanced thermal properties on the polymer composition.

Abstract: A printing sleeve comprises a cylindrical tube of polymeric material reinforced with overlapping, closely touching windings of fibrous reinforcing material with at least one winding extending in each direction. The windings are wound in a helical pattern at a wind angle of about 40.degree..

Abstract: A method of manufacturing a fiber reinforced article using a fiber preform 10 suitable for impregnating with a curable resin to form the fiber reinforced article. The fiber preform 10 is formed by fitting a plurality of preformed seamless fabric envelopes 20 over an inner mold body 30 one over another in a layered fashion. An outer mold body 40 is placed over the completed fiber preform 10 prior to injecting a curable resin into the mold cavity 50 housing the fiber preform 10. The preform 10 comprises an innermost seamless fabric envelope 20A preformed to closely match a desired contour of the inner surface of the manufactured article, an outermost seamless fabric envelope 20B preformed to closely match a desired contour of the outer surface of the manufactured article, and an intermediate layer of at least one intermediate seamless fabric envelope 20C disposed therebetween.

Abstract: Cut resistant, abrasion resistant and electrically conductive yarns (1) are formed in torque-free form from stainless steel and other metallic yarns (2) served with or formed into composite twists with non-metallic yarns and fibers (4) and (5). The metallic yarn (2) is made up of at least about 60 ends, and up to as many as about 300 ends, of metal fibers (3) having a diameter of from about 2 to about 25 .mu.m. The absence of torque permits facile knitting into protective garments, such as cut resistant, abrasion resistant and/or electrically conductive gloves (10), or yarns which are as much as 85 to 90% by weight metallic fiber. When knit into gloves, added protection may be provided from puncture injuries if the palm (12), finger stalls (14) and thumb stall (16) are coated or impregnated with an elastomer or the like.

Abstract: A method for making a fabric coated with acrylic resin and adaptable to use as a wrap for food products such as cheese or sausage, which comprises embedding a textile material of relatively low strength, such as a knitted fabric, scrim, or lightweight nonwoven fabric, in a coating layer of acrylic resin having thermoplastic properties, and for making a food wrap by cutting a blank therefor from such coated fabric, which blank is shaped into a wrap by heat sealing; fabrics and wraps made by such a method.

Abstract: A fabric for use in supporting a cellulose pulp sheet during passage through a Flakt dryer which is of asymmetric double weave construction, the fabric being folded into V-shaped configuration and there being essentially uncrimped, essentially inextensible load bearing yarns positioned between the weft yarns of the respective fabric layers and extending in the longitudinal direction of the fabric, adjacent ones of the load bearing yarns being separated by warp yarns of the less densely woven inner layer which weave also with the weft yarns of the outer layer. The more densely woven outer layer protects the load bearing yarns from wear and from the adverse effects of heat.

Abstract: A rubber having fiber reinforcement embedded thereon. The reinforcement comprises a cylindrically braided cords of more than four and even numbered twisted yarns. Yarns are right twist oriented and left twist oriented and they are twisted in the reverse direction in an, S-twist and a Z-twist.

Abstract: A papermakers fabric and method of designing and manufacturing same which exhibits high tolerance to temperature and/or moisture variation and as a result, retains dimensional stability avoiding these problems. A specific fabric construction is selected having a defined machine direction (MD) and cross machine direction (CMD) yarn components. A mathematical model of the selected fabric structure is then defined in terms of the dimensions of the yarn components in relationship to the machine direction length of the fabric. The percent change in fabric length is then determined as a function of both the dimensions and the expansion characteristics of the MD and CMD yarns. The fabric is then designed to have calculated expansion characteristics within selected tolerances.

Abstract: The combination of a shock cord including a shock cord loop at an end thereof, a serving tightly disposed about the shock cord immediately adjacent to the shock cord loop, and a binding tightly disposed about the serving and connected to the serving and shock cord.

Abstract: A needled press felt for dewatering of cellulose pulp in a paper making machine consists of a multi layer base fabric having longitudinal and transversal threads. In order to improve the dewatering capability of the press felt and making it easy to assemble, the dewatering side of the press felt consists of layer of coarse yarn (3), which has a weight per unit of length, which is at least twice as great as the one of the remaining parallel yarns (1, 2) of the base fabric. Further a seam which can be opened is arranged transversally to the running direction of the felt in the paper making machine.

Abstract: A dry clutch is prepared from a composite of fiber yarns, including fiberglass fibers and polymer fibers such as polyacrylonitrile fibers, which are blended together and twisted with wire. The yarns are shaped in a disc or other form and are bonded together with a heat curable binder system that includes an elastomer and a resin. The binder system also may contain organic and inorganic friction modifying particles.

Abstract: A wire-link belt 1, 41 comprises a first and second, opposite belt side 32, 34; 61, 64, the first side supporting a moving length of material or a web of paper 33, 62, said wire-link belt further comprising a plurality of interlinking wire coils 2, 3, 4, 5; 42,43 consisting alternatingly of end arcs 16, 17, 18, 19; 49, 50 and coil-turn legs 10, 11, 12, 13, 14, 15; 45, 46, 47, 48 connecting them and coupled in hinging manner by means of slip-through wires. To reduce slippage between the moving length of material or web of paper 33, 62 and the wire-link belt 1, 41 on one hand and buckling or elongation of said length of material on the other hand, the support of the wire coils 2, 3, 4, 5; 42, 43 at the slip-through wires is such that the wire coils 2, 3, 4, 5; 42, 43 each hinge about axes offset relative to the center plane of the wire-link belt 1, 41 towards its first belt side 32, 61.

Abstract: This disclosure describes a press fabric for use on papermaking and similar machines. The fabric is of the open-ended variety, and has loops at each end enabling it to be closed into endless form during installation on the machine by means of a pin seam. The machine-direction (MD) yarns, from which the loops are formed during the flat or endless weaving of the fabric, are coated multifilaments. The coating, either permanent, semi-permanent, or soluble, gives the multifilament a monofilament-like structure enabling good loop formation and stability. The use of multifilament yarn provides a fabric having improved elasticity in the machine direction, and a greater degree of compressibility, following the removal of a soluble coating material, than can be obtained using monofilament yarn.

Abstract: A papermaking machine belt comprising a flexible belt-layer impermeable to liquids which is partly integrated with a support track with cavities.

Abstract: The present invention provides a belt for papermaking machines, said belt comprising a flexible belt layer impermeable to liquids and is smooth on its backside while its front side integrates, but only partly, a support-track having cavities and it contains longitudinal threads extending in the direction of advance and located between the support track and the backside of the belt.

Abstract: A method of producing a packing product includes the steps of feeding at least one sheet of material in a first direction; cutting the at least one sheet of material into a plurality of strips; the cutting being performed by rotating two sets of alternating, overlapping cutting discs; the feeding of the at least one sheet of material being between the two sets of cutting discs; advancing each of the strips by the rotating of at least an outer surface of a corresponding one of the cutting discs as the outer surface moves in the first direction; restricting each strip from continued advancing in the first direction; and sequentially folding each of the strip means by the restricting in opposition to the advancing. There is included apparatus and means for producing the packing product.

Abstract: A three-dimensional fabric is disclosed that effectively weaves a solid member into the fabric. A multiplicity of warp strings that are arranged in a plurality of layers which extend in a lengthwise direction of the fabric. At least some of the warp strings are wrapped around the solid member. A multiplicity of bias threads are arranged in at least one symmetrical pair of bias thread layers. The bias threads are incline relative to the lengthwise direction of the fabric and the layers in the bias layer pair are symmetrically arranged relative to the lengthwise direction of the fabric. At least some of the bias threads are wrapped around the solid member. A plurality of vertical threads are provided that run substantially perpendicular relative to the warp string and the bias thread layers. The vertical threads couple the layers of the warp strings and the bias threads.

Abstract: A composite envelope composed of a heat-shrinkable foil with a reinforcing layer containing tear-resistant fibers. The reinforcing layer is formed of a material which will melt below or at the temperature to which the heat-shrinkable foil is heated to stretch the foil and cause it to shrink back to its original condition so that the tear-resistant fibers are free to move in the melted material. Preferably, the composite is formed by providing carrier elements either having the fibers wrapped thereon or contained therein and assembling them with the shrinkable foil, heating to a stretching temperature to cause a melting of the carrier elements and stretching the foil at that temperature to create the memory and then holding the stretching forces until the foil has cooled to solidify the material of the carrier elements to form the reinforcing layer.

Abstract: A sealing material of polytetrafluoroethylene felt is encapsulated by a polytetrafluoroethylene sheet coated with a thermoplastic fluoropolymer.

Abstract: A flexible metal conduit and fabrication method where a thin metal ribbon is arranged in a helix about a central axis. The ribbon defines helically extending corrugated inwardly and outwardly facing conduit surfaces formed by alternating ridges and valleys extending parallel to the ribbon edges. Ribbon edge locking structure secures abutting ribbon convolutions together and comprises first and second confronting parallel ribbon edge flanges extending at least a substantial length of the ribbon. The flanges are lapped and tightly rolled together to form a two ply spirally curved wall defining a tube whose central core has a generally circular cross sectional shape. The tube is disposed adjacent a convolution surface and extends along a helical path parallel to the abutting convolutions.