With Means Forming Web By Calendering Patents (Class 156/437)
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Patent number: 11981413Abstract: The present invention refers to a new multilayered material, reinforced with fibres and having an improved adhesion between the layers throughout its entire structure; to a process for its preparation and to the articles made with such material, intended to be exposed to adverse conditions, such as strong winds, stretching, temperature changes, such as for example sails for boat.Type: GrantFiled: September 20, 2019Date of Patent: May 14, 2024Assignee: FONDAZIONE ISTITUTO ITALIANO DI TECNOLOGIAInventors: Ilker Bayer, Gabriele Nanni
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Patent number: 11220088Abstract: There is provided a thin glass elongated body having a small amount of air bubbles between a thin glass and a resin film. A thin glass elongated body of the present invention includes: a thin glass having an elongated shape; and a resin film bonded onto at least part of the thin glass, wherein the resin film has, in a portion in which the thin glass and the resin film are laminated, a plurality of cutting lines and/or holes each penetrating through the resin film.Type: GrantFiled: March 19, 2014Date of Patent: January 11, 2022Assignee: NITTO DENKO CORPORATIONInventors: Takeshi Murashige, Junichi Inagaki, Seong Jin Ryu, Hiroyuki Takemoto
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Patent number: 10967545Abstract: A profiling calender includes an intermediate roll, a lower roll, and a pair of intermediate lugs. The intermediate and lower rolls are separated by a distance defining a height of a second profiling nip. The intermediate lugs are situated at ends of the intermediate and lower rolls and include two quarter-circle bearing surfaces that meet at the second profiling nip. Each end of the intermediate roll or each end of the lower roll is equipped with a collar fastened to the roll and positioned between the roll and a quarter-circle bearing surface of a corresponding intermediate lug. The collar enables a radius of the roll to be increased by a height equal to the separation distance in order to improve an appearance of edges of a profiled element produced by the calender.Type: GrantFiled: December 20, 2016Date of Patent: April 6, 2021Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Quentin Urbain, Sylvain Gouteyron, Christophe Egerszegi
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Patent number: 10967546Abstract: A calender is provided for profiling a rubber mixture intended for the manufacture of tire casings, the calender having three rotating rolls, the intermediate roll and the lower roll being separated by a second distance in the vertical plane, this second distance defining the height of a second profiling nip, wherein the calender includes a table for separating the profiled mixture that is positioned downstream of the second profiling nip, making it possible to avoid cohesion defects manifested by the appearance of cracks and fissures in the profiled element leaving the calender.Type: GrantFiled: December 20, 2016Date of Patent: April 6, 2021Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Quentin Urbain, Sylvain Gouteyron
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Publication number: 20150034247Abstract: A composite structure is fabricated by laying up at least one ply of fiber reinforcement and at least one layer of resin on a tool. The resin film layer is formed by laying strips of resin film. The fiber reinforcement is infused with resin from the resin layer.Type: ApplicationFiled: October 22, 2014Publication date: February 5, 2015Inventors: Michael D. Silcock, Christopher A. Howe, Brice A. Johnson
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Publication number: 20140102625Abstract: A method for fibre placement with the aid of a roller is provided. The roller is able to pivot about a rotation axis and to lay a plurality of first pre-impregnated fibres on second pre-impregnated fibres of a laying surface by rolling over said laying surface. The first fibres being distributed along a lower generatrix of the roller and being in contact with an outer surface of said roller over a contact arc. The method includes cooling the first pre-impregnated fibres in contact with the roller so as to enable them to slide on the outer surface of the roller and heating the second pre-impregnated fibres of the laying surface that are located at the front of the roller so as to promote the adhesion of the first fibres to the second fibres of the laying surface.Type: ApplicationFiled: October 8, 2013Publication date: April 17, 2014Applicant: AIRBUS OPERATIONS S.A.S.Inventor: Denis De Mattia
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Publication number: 20130115412Abstract: A fiber reinforced composite laminate with fibers generally oriented along two major axes and having a polyurethane resin matrix suitable for reinforcing wood based substrates such as trailer/container flooring, glulams, plywood, particle boards, laminated veneer lumber, and oriented strand board, is provided. The laminate is produced by pulling the fibers through a resin injection box, where a polyurethane resin is injected into the box to wet the fibers. The polyurethane resin wetted fiber layer is then covered with a release media on the top and bottom sides of the layer. The sandwich of fiber, resin and release media is fed to a double belt press capable of applying pressure and heat to consolidate and cure the laminate. The laminate thus made can be thinner than 0.080 inch and provides excellent flatness compared to pultruded thin laminates.Type: ApplicationFiled: November 2, 2012Publication date: May 9, 2013Applicant: HAVCO WOOD PRODUCTS LLCInventor: Havco Wood Products LLC
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Publication number: 20120325398Abstract: A composite structure is fabricated by laying up at least one ply of fiber reinforcement and at least one layer of resin on a tool. The resin film layer is formed by laying strips of resin film. The fiber reinforcement is infused with resin from the resin layer.Type: ApplicationFiled: June 26, 2011Publication date: December 27, 2012Inventors: Michael D. Silcock, Christopher A. Howe, Brice A. Johnson
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Publication number: 20120318461Abstract: The present invention relates to an apparatus for manufacturing a thermoplastic/filament hybrid composite, and more particularly, to a high frequency induction heating double steel belt press apparatus which uses an induction heating unit and double steel belts to allow rapid heating through accurate and uniform temperature control.Type: ApplicationFiled: February 18, 2011Publication date: December 20, 2012Applicant: LG Hausys, Ltd.Inventors: Gi-Hune Jung, Hee-June Kim
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Patent number: 8146640Abstract: A hemming system for hemming a fabric, without using seams, and by introducing an adhesively processed element into a surface or between two opposite surfaces of the fabric, comprises an adhesive applying module for applying two adhesive materials to an elastic or resilient element and to the fabric, and a second hemming module, for hemming the fabric at the resilient element.Type: GrantFiled: June 4, 2007Date of Patent: April 3, 2012Assignee: MACPI-Pressing Division S.p.A.Inventor: Giovanni Cartabbia
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Patent number: 8071123Abstract: Two resin films each provided with an orally administrable edible agent layer are joined so that administrable agent layers face each other, drawn into a nip between a pair of press rolls, pressurized at back surfaces to bond the administrable agent layers together, and conveyed in a direction substantially conforming to a tangential direction at a pressurization zone of the press rolls. A delamination roll disposed in the conveying direction is used to draw only one of the two resin films sandwiching the bonded plural administrable agent layers in a direction different from the conveying direction, while continuously conveying the other resin film retaining the plural administrable agent layers in the conveying direction. This allows only one of the joined two resin films to be delaminated. The obtained pressure bonded product, that is, an orally administrable edible agent of laminate film form can be punched out into predetermined shapes.Type: GrantFiled: December 1, 2003Date of Patent: December 6, 2011Assignee: Kyukyu Pharmaceutical Co., Ltd.Inventors: Yasuo Hayashi, Kazuya Yano, Tsutomu Awamura, Kazuyoshi Sudeji
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Patent number: 8034162Abstract: A method and apparatus are provided for substantially containing dust generated along a fiber tow path extending from a creel to a compression roller in an automated fiber placement machine, by enclosing substantially all of the path of the fiber tows between the creel and the compression roller within a barrier that is substantially impermeable to dust. A dust collection apparatus may have a porous media and/or utilize an electrostatic charge for entrapping the dust.Type: GrantFiled: September 18, 2008Date of Patent: October 11, 2011Assignee: Ingersoll Machine Tools, Inc.Inventor: Tino Oldani
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Patent number: 7998298Abstract: The invention is aimed at shortening time and reducing labor in a work of fitting a multiplicity of cords, respectively, into grooves of a grooved press roll and of a grooved comb roll to align the same in a calender apparatus, in which rubber is topped on the multiplicity of cords as aligned, in an aligning work, the multiplicity of cords are first fitted into grooves on an upper surface side of the comb roll to be aligned, the press roll is then displaced to an alignment transfer position from a standby position close to a topping roll to be opposed to the upper surface side of the comb roll to thereby transfer an aligned state of the cords fitted into the grooves of the comb roll to the press roll as it is to fit the respective cords into grooves of the press roll and to displace the press roll to the standby position while maintaining the fitted state, to set the cords in an aligned state.Type: GrantFiled: July 20, 2005Date of Patent: August 16, 2011Assignee: Toyo Tire & Rubber Co., Ltd.Inventors: Tetsuo Tatara, Tomoyuki Takatsuka, Hirokatsu Mizukusa, Osamu Fujiki
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Publication number: 20090151874Abstract: A process for producing a stampable reinforced composite semi-finished product comprising one or more plastics and chopped fibres or continuous filaments, the softening temperature of which is above the highest of the softening temperatures of the materials, comprises the steps of: depositing the fibres or filaments, especially by gravity, onto a conveyor; sprinkling particles of a powder of the plastics onto the fibres or the filaments, in a proportion of between 5% and 90% of the total weight; blending the particles with the fibres or the filaments; and heating the blend to a temperature above the softening temperatures of the materials. The blending step includes subjecting the blend to at least one electric field approximately perpendicular to the direction of advance of the conveyor.Type: ApplicationFiled: March 12, 2007Publication date: June 18, 2009Applicant: FIBROLINE FRANCEInventors: Laurence Caramaro, Joric Marduel
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Patent number: 7524398Abstract: An apparatus for making a reinforced elastomeric fabric having a gauge thickness G and a cord spacing S, the apparatus comprising: a die having a plurality of holes for receiving a reinforcement cord, the holes providing a cord spacing of about S/2, a first and second calender roll located adjacent the die, the die having a end plate having a slot wherein the slot is located adjacent a calender roll so that the reinforcement cords are pressed into engagement with a ribbon of elastomeric material, the calender rolls being spaced to provide a gauge thickness of about G/2, the apparatus further comprising a cutter for cutting the ribbon of reinforced elastomeric material into segments having a length L, each segment having a width W, each segment having lateral edges, said apparatus further comprising a pick arm for placing a plurality of segments onto a conveyor so that the lateral ends of adjacent segments are lap spliced together, the lap splice having a width W/2.Type: GrantFiled: September 30, 2005Date of Patent: April 28, 2009Assignee: The Goodyear Tire & Rubber CompanyInventors: Daniel Ray Downing, James Alfred Benzing, II
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Publication number: 20090061130Abstract: Method for shaping a material with a reticular structure, plant for performing same and reticular material resulting from the method. This method is applicable for handling a reticular tubular structure, in particular one of those obtained by extruding a synthetic plastics material, wherein its filaments, which form the sides of the net mesh, have a greater thickness at the crossover points than the actual thickness of the filaments. This method consists in the synthetic plastics material with a reticular tubular structure being subjected, while hot and with its tubular flattened shape, to two-dimensional molecular orientation operations, through drawing and widening, followed by an operation to equal the thicknesses of the reticular tubular flattened structure, already oriented, by laminating it in a calendering machine.Type: ApplicationFiled: September 18, 2008Publication date: March 5, 2009Inventor: Luis Besas Camps
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Publication number: 20080020219Abstract: The invention relates to a precursor article of a composite material comprising a polymer matrix and at least one reinforcing wire and/or fibres, said article comprising at least one reinforcing wire and/or fibres and at least one polymer matrix wire and/or fibres. The invention also relates to composite materials comprising a reinforcing material and a thermoplastic matrix and to the articles obtained using said materials.Type: ApplicationFiled: December 20, 2004Publication date: January 24, 2008Inventors: Franck Bouquerel, Frederic Philippon
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Patent number: 6971430Abstract: An apparatus for casting sails comprising a roll stand configured to supply a carrier film. The apparatus contains a support mechanism for the carrier film, and further comprises of a drawing mechanism, a first resin dispenser, a first wiper portion, two yarn applicators, a second resin dispenser, a second wiper portion, an element applicator, a calendar, and curing mechanism.Type: GrantFiled: March 19, 2003Date of Patent: December 6, 2005Inventor: Thomas Ward Omohundro
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Patent number: 6817396Abstract: The present invention relates to a method for producing a textile product of the lapped/bonded type from fibers and/or filaments travelling in the direction of advance in the form of a web, this method comprising at least one step, called the “prelooping step”, in which the fibers and/or filaments individually undergo looping transversely to the direction of advance of the web, if appropriate accompanied by transverse drawing, characterized in that it subsequently comprises a step of confining the parallelized fibers and/or filaments in the form of loops, this latter confining step taking place directly on a support, without transport members, such as needles or transfer elements, being involved.Type: GrantFiled: June 5, 2002Date of Patent: November 16, 2004Assignee: Tarkett Sommer S.A.Inventor: Xavier Bathelier
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Patent number: 6679790Abstract: A new, novel and useful Oriented Thermoplastic Elastomer Thread Wound Golf Ball providing improved combinations of good spin for ball control on iron or wedge shots while providing for higher hardness and long travel with driver shots. The Oriented Thermoplastic Elastomer Thread Wound Golf Ball's performance is acheived by the incorporation of oriented thermoplastic elastomer threads in the golf ball design.Type: GrantFiled: July 5, 2001Date of Patent: January 20, 2004Inventor: Richard R. Soelch
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Publication number: 20030094229Abstract: A manufacturing method for a synthetic leather includes a first step of feeding materials of preset volume, a second step of materials foaming (capable to be skipped if unnecessary), a third step of material and mixing injecting to produce liquid mixed materials by instant reaction, a fourth step of conveying two basic cloths, a fifth step of compressing the two basic cloths with the liquid mixed materials producing reaction between the two basic cloths conveyed to an upper portion of two rollers to produce synthetic leather, and a sixth step of winding finished synthetic leather on two winding wheels.Type: ApplicationFiled: November 21, 2001Publication date: May 22, 2003Inventor: Lung Wen Chou
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Publication number: 20030096095Abstract: Reinforced ply material having a plurality of reinforcement elements (e.g., steel monofilaments) embedded in an elastomeric (e.g., rubber) sheet. The reinforcement elements are grouped in untwisted sets and each set includes a plurality of reinforcement elements. In an apparatus and/or method for making the reinforced ply material, the reinforcement elements are guided by a guide insert having passages corresponding to the desired grouped arrangement of the reinforcement elements. The reinforced ply material can be used to make steel belts for pneumatic tires.Type: ApplicationFiled: October 8, 2001Publication date: May 22, 2003Inventor: David G. Abdallah
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Patent number: 6425970Abstract: A method for grounding reinforcement (12) and composites (17) on a calender line reduces static build up on the composite (17), and makes it possible to subject a wire reinforced composite to electron beam processing (EBP). The method employs a slip ring (36) attached to rolls which contact composite (17) on the calender (11), and reinforcement (12) before it reaches the calender (11), wherein the slip ring (36) rotates with the rolls while the rolls are working polymer into the reinforcement, and a terminal (34) connected to the slip ring (36) remains stationary, and the terminal (34) is attached to ground (27). The method effectively grounds the composite as well as the reinforcement to prevent electrical discharge during EBP.Type: GrantFiled: December 21, 1999Date of Patent: July 30, 2002Assignee: The Goodyear Tire & Rubber CompanyInventors: Warren Paul Ripple, Brian Richard Koch
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Patent number: 6338814Abstract: A spunbond web formation apparatus includes a spinneret (1) of a spin pack (2) that extrudes an array of fibers (5) that are drawn into an aspirator (6). The attenuated fibers (8) discharged from aspirator (6) are deflected sideways by a Coanda device (7) that entrains the exiting air stream along with the fibers. The fibers are deposited on a vertically moving belt (9) and subsequently bonded by calender rolls (20, 21) to form a non-woven spunbond web. The spinning distance L is adjusted by vertically moving the aspirator (6), while the laydown distance M is adjusted by horizontally moving the belt (9) or aspirator (6) or by adjusting the size of the Coanda device (7). Deflection of the fibers exiting the aspirator permits the spinning distance L to be adjusted independently of the laydown distance M, without having to move the spin beam or adjust the height of the web-forming belt.Type: GrantFiled: February 2, 2000Date of Patent: January 15, 2002Assignee: Hills, Inc.Inventor: William H. Hills
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Patent number: 6280548Abstract: A method and apparatus 200 for building a laminate 10A and in forming a subassembly 10 for a pneumatic tire from an assembly of reinforced or unreinforced tire components wherein the method has the steps of providing an apparatus 200 for simultaneously forming, positioning, attaching and conveying a plurality of continuous strips of elastomeric tire components and activating the apparatus simultaneously forming, positioning and attaching the plurality of continuous strips of elastomeric tire components to adjacent strips of tire components as they are conveyed thus forming a laminate 10A of reinforced or unreinforced tire components suitable for use as a subassembly for a pneumatic tire.Type: GrantFiled: February 17, 1999Date of Patent: August 28, 2001Inventors: James Alfred Benzing, II, William James Head, Daniel Ray Downing
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Patent number: 6264781Abstract: An apparatus and process for continuously producing composite structural beams is disclosed. The process includes a first step of forming a tubular element from fibers of composite material, a second step of separating the tubular element into longitudinally extensive, circumferentially separated, corner caps, a third step of securing sandwich panels between adjacent corner caps to form a tubular beam, a fourth step of shaping the tubular beam, and a fifth step of curing the shaped tubular beam. Also disclosed is an exemplary beam constructed in accordance with the process of the present invention.Type: GrantFiled: January 29, 1999Date of Patent: July 24, 2001Assignee: Lockheed Martin CorporationInventor: Richard Bott
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Patent number: 6126780Abstract: A method and apparatus 200 for building a laminate 10A and in forming a subassembly 10 for a pneumatic tire from an assembly of reinforced or unreinforced tire components wherein the method has the steps of providing an apparatus 200 for simultaneously forming, positioning, attaching and conveying a plurality of continuous strips of elastomeric tire components and activating the apparatus simultaneously forming, positioning and attaching the plurality of continuous strips of elastomeric tire components to adjacent strips of tire components as they are conveyed thus forming a laminate 10A of reinforced or unreinforced tire components suitable for use as a subassembly for a pneumatic tire.Type: GrantFiled: January 12, 1998Date of Patent: October 3, 2000Assignee: The Goodyear Tire & Rubber CompanyInventors: James Alfred Benzing, II, William James Head, Daniel Ray Downing
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Patent number: 5932317Abstract: A method to produce a dust control mat with stronger longitudinal borders by co-calendering the rubber backing thereof with narrow strips of carboxylated nitrile rubber prior to formation of the dust control into a unitary product for use as a dust control mop.Type: GrantFiled: June 27, 1994Date of Patent: August 3, 1999Assignee: Milliken & CompanyInventor: Robert Charles Kerr
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Patent number: 5762740Abstract: A method and apparatus 200 for building a laminate 10A and in forming a subassembly 10 for a pneumatic tire from an assembly of reinforced or unreinforced tire components wherein the method has the steps of providing an apparatus 200 for simultaneously forming, positioning, attaching and conveying a plurality of continuous strips of elastomeric tire components and activating the apparatus simultaneously forming, positioning and attaching the plurality of continuous strips of elastomeric tire components to adjacent strips of tire components as they are conveyed thus forming a laminate 10A of reinforced or unreinforced tire components suitable for use as a subassembly for a neumatic tire.Type: GrantFiled: May 8, 1997Date of Patent: June 9, 1998Assignee: The Goodyear Tire & Rubber CompanyInventors: James Alfred Benzing, II, William James Head, Daniel Ray Downing
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Patent number: 5728011Abstract: Disclosed is a thread wound golf ball comprising a center, a thread rubber layer formed by winding a thread rubber around the center and a cover formed on the thread rubber layer, wherein the thread rubber is obtained by cutting, into a suitable width, a rubber sheet for thread rubber which is obtained by vulcanizing a raw rubber sheet for thread rubber using a pressure rotary drum type continuous vulcanizing device.Type: GrantFiled: March 27, 1996Date of Patent: March 17, 1998Assignee: Sumitomo Rubber Industries, Ltd.Inventors: Kazushige Sugimoto, Hiromasa Yamamoto, Tsutomu Nosaka
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Patent number: 5609685Abstract: An apparatus for bonding, without adhesive, a plastic material layer onto a backing fabric of any kind, wherein the fabric is biaxially stretched and untreated, includes a calendar and a rocking device. The calendar includes a heated cylinder for coating the fabric with a layer of plastic material. The rocking device includes a preliminary heating element, a front end roll, and a rear end roll. The front end roll and rear end roll guide the stretched fabric onto the heated cylinder of the calendar to control the heating temperature of the stretched fabric in contact with the heated cylinder. The preliminary heating element is interposed between the front end roll and the rear end roll.Type: GrantFiled: March 2, 1995Date of Patent: March 11, 1997Assignee: Interplastic SAInventor: Charly Fux
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Patent number: 5425830Abstract: A method and apparatus for manufacturing a strip of ply or belt stock reinforced with steel monofilaments fed from a plurality of reels (60, 60', 60") mounted on the spindles (54) of a reel support structure (18). The article of manufacture which results from the method is a uniform strip of reinforced ply or belt stock of higher epi, smaller gauge and fewer splices than possible with prior method and apparatus.Type: GrantFiled: April 8, 1994Date of Patent: June 20, 1995Assignee: The Goodyear Tire & Rubber CompanyInventors: Anand W. Bhagwat, Kenneth J. Palmer, Amit Prakash
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Patent number: 5387303Abstract: An apparatus for forming a rubber sheet having cords embedded therein includes a grooved roll formed in its circumference with a plurality of circumferential grooves for arranging cords with equal pitches, and a pressure-joining roll arranged spaced from the grooved roll for pressure-joining a first rubber sheet with the cords arranged with the equal pitches in a first pressure-joining position between the grooved roll and the pressure-joining roll. The apparatus further includes a groove forming roll for forming a plurality of longitudinal grooves in one surface of a second rubber sheet, and a forming roll arranged spaced from the pressure-joining roll to form a second pressure-joining position between the forming roll and the pressure-joining roll.Type: GrantFiled: June 29, 1993Date of Patent: February 7, 1995Assignee: Bridgestone CorporationInventor: Toshio Azuma
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Patent number: 5298097Abstract: An apparatus and method provides for thermally bonding a textile web while supporting the web continuously from the lay down point until the web is thermally bonded. The apparatus includes a heated transfer roll adjacent an endless moving belt. The transfer roll is located outside the belt loop on the opposite side of the belt from a guide roll. The belt passes around a first portion of the transfer roll with the web sandwiched between the belt and transfer roll. The heated transfer roll heats the web and the web is transferred to the transfer roll. The web is then directed through a nip formed by a calender roll positioned adjacent a second portion of the transfer roll for thermally bonding the web.Type: GrantFiled: March 31, 1992Date of Patent: March 29, 1994Assignee: Neuberger S.p.A.Inventor: Roberto Zanferrari
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Patent number: 5190774Abstract: An apparatus for calendering cords with elastomeric material which has a main guide board and guide rolls located at the entrance side of the main guide board, with the guide rolls being located along columns of holes in the main guide board and being freely rotatably supported, the guide rolls making the inclined angles of cords, relative to the centerline of the holes, smaller near the holes in order to reduce the friction between the cords and the holes so as to consequently reduce the problem of curling of the coated cords.Type: GrantFiled: June 9, 1992Date of Patent: March 2, 1993Assignee: Bridgestone/Firestone Inc.Inventors: Sanada Koichi, Takashi Matsumura
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Patent number: 4869773Abstract: A guide device (11) for feeding cord (2) from a source, such as a reel, to a mandrel (1) via an application roller (8). The device (1) has a body (12) housing a knife (10) for cutting the cord (2), and also houses a cord end retaining means (24) for holding the severed end of the cord from the reel after cutting. The retaining means is a resilient roller (24) which is biased against the application roller (8) to hold the severed cord end between the two rollers. Such a guide device can be used during the manufacture of a cord reinforced elastomeric ply for a pneumatic tire.Type: GrantFiled: November 5, 1987Date of Patent: September 26, 1989Assignee: Apsley Metals LimitedInventor: David J. B. Perkins
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Patent number: 4602973Abstract: Apparatus for the manufacture of fabric, especially tire building fabric ply material, in which a pair of rotatable parallel spindles are each surrounded by a helical member rotatable in the opposite direction to the respective spindles. The opposite rotation of the spindles and the helical members helps to ensure a uniform winding as fabric is built up from filamentary material applied around the spindles from a feeding head rotating around the spindles.Type: GrantFiled: May 8, 1985Date of Patent: July 29, 1986Assignee: Apsley Metals LimitedInventors: Eric Holroyd, Henry A. Gardner, Ronald W. Jones
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Patent number: 4361456Abstract: In a process for the continuous manufacture of a conveyor belt with rubber covering layers and with a reinforcing insert of longitudinal wire ropes, the wire ropes are maintained in tension and covered with an upper and lower covering layer of rubber. The raw belt constructed in this manner is then vulcanized by means of exposure to pressure and heat in a rotating installation. The innermost rubber cover layer in the radial direction is scorched prior to its placement on the outer cover layer and the longitudinal steel wires.An apparatus for the continuous manufacture of a conveyor belt with cover layers of rubber and with a reinforcing insert of longitudinal steel ropes has an extruder-calender arrangement (2, 4 and 3, 5, respectively) each for the production of the lower and upper cover layer (11, 12). At least one doubling installation (15, 17; 22, 23) is provided for the combining of the cover layers (11, 12).Type: GrantFiled: June 16, 1980Date of Patent: November 30, 1982Assignee: Hermann Berstorff Maschinenbau GmbHInventor: Reinhold Reschke
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Patent number: 4124425Abstract: A method, other than weaving, for maintaining cords in parallel array for further processing as by calendering with elastomeric material, such as natural or synthetic rubber, to form strips or sheets of rubberized cords used in building tires, belts, and other rubber products requiring reinforcement cords. The cords are first placed in parallel array and then contacted with a piece of backing material faced with an adhesive for holding the cords parallel on the material. The backing material and attached cords are then removed to a calender where the cords are embedded in the elastomeric material.Type: GrantFiled: May 31, 1977Date of Patent: November 7, 1978Assignee: The Goodyear Tire & Rubber CompanyInventors: Grover W. Rye, Richard L. Bell
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Patent number: 4087308Abstract: The present invention relates to an apparatus and method for making sheets from reinforced elastomeric ribbon. The apparatus has a lead-in mechanism on which the ribbon is received for preliminary orientation. The apparatus also employs a transfer mechanism that incorporates a shuttle head which is supported by a primary carrier disposed over the assembly mechanism. The shuttle head is capable of being protracted from its normal position over the assembly mechanism to a position over the lead-in mechanism where it is also engaged by a stabilizing carrier which assures precise orientation of the shuttle head during its operative movements with respect to the lead-in mechanism. So stabilized the shuttle head: engages and grasps the ribbon presented by the lead-in mechanism; raises the ribbon off the lead-in mechanism; retracts to position the ribbon above the assembly mechanism; and, accurately deposits the ribbon on the assembly mechanism.Type: GrantFiled: April 14, 1976Date of Patent: May 2, 1978Assignee: The Steelastic CompanyInventors: Robert Charles Baugher, Robert Henry Bond, Walter William Immel, Sr., Ralph Frederick Kiemer