Single Annular Member, Per Se Patents (Class 492/57)
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Patent number: 9090404Abstract: A carrier member is configured to receive a discrete article from a transfer assembly. The carrier member includes a cylindrical roll having a receiving surface and a resilient member connected with the receiving surface. The resilient member has a plurality of intermittently spaced first voids extending circumferentially about the axis of rotation at a first radial distance from the axis of rotation and a plurality of intermittently spaced second voids extending circumferentially about the axis of rotation at a second radial distance from the axis of rotation. The first radial distance is greater than the second radial distance. Each first void is separated from each second void.Type: GrantFiled: July 24, 2013Date of Patent: July 28, 2015Assignee: The Procter & Gamble CompanyInventors: Daniel Patrick Findley, Uwe Schneider
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Publication number: 20150045196Abstract: The present invention provides a production method for producing an electrically conductive foam rubber roller which has a tubular body free from internal abnormal foaming and hence free from internal cracking after the foaming. The production method includes the steps of: continuously extruding a rubber composition into a tubular body (7); and passing the extruded tubular body (7) through a microwave crosslinking device (8) and then through a hot air crosslinking device (9) in an elongated state without cutting the tubular body. The rubber composition is extruded, foamed and crosslinked so that the tubular body has a thickness unevenness of not greater than 1.3 immediately after being passed through the hot air crosslinking device (9), the thickness unevenness being defined as a ratio Tmax/Tmin between a maximum radial thickness Tmax and a minimum radial thickness Tmin of the tubular body which are each measured in a cross section of the tubular body.Type: ApplicationFiled: July 22, 2014Publication date: February 12, 2015Inventors: Takuya YAMAGUCHI, Shunichi YABUSHITA, Masafumi YAMAMOTO
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Patent number: 8932193Abstract: A sheet feed rolling element for an electrophotographic device includes a roller portion and shoulders on both sides formed by curved chamfers. A parting line between the fixed mold plate and the movable mold plate of an injection mold is located at the boundary between one shoulder and the roller portion outer periphery, a step is provided at the boundary due to a difference between the opening diameter of the cavity portion defined by the fixed mold plate and the opening diameter of the cavity portion defined by the movable mold plate so the one shoulder has a smaller diameter than the outer peripheral surface, and a chamfer is provided adjacent to the one shoulder to absorb any difference in molding shrinkage rate due to a difference in molecular orientation of resin at the step, thereby preventing circumferential bulging on the outer periphery of the formed roller portion.Type: GrantFiled: April 28, 2009Date of Patent: January 13, 2015Assignee: NTN CorporationInventors: Hirohisa Abe, Norikazu Muneda
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Publication number: 20140347758Abstract: A support system for holding solar mirrors of a solar trough system includes a frame for supporting the mirrors. The system includes a rib attached to the frame. The system includes at least a first roller engaged with the rib along which the rib moves as the frame moves. A method for moving a frame supporting solar mirrors of a solar trough system includes the steps of moving the frame on a roller guided by a rib engaged with the roller and attached to the frame bottom to a first position. There is the step of moving the frame on the roller guided by the rib engaged with the roller and attached to the frame bottom to a second position. A roller for engaging with a rib attached to a frame that holds mirrors of a solar trough system. An apparatus for cleaning solar mirrors on a frame of a solar trough system. A method for cleaning mirrors on a framework of a solar trough system. A rib for a frame that holds solar mirrors of a solar trough system which engages with a roller.Type: ApplicationFiled: August 6, 2014Publication date: November 27, 2014Applicant: WERNER EXTRUSION SOLUTIONS LLCInventors: Craig Roy Werner, John Funai
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Publication number: 20140197007Abstract: An aircraft conveyor system comprising an aircraft including an aircraft cargo storage bay; and a roller mounted within the aircraft cargo storage bay, the roller including a one-piece integral body having a cylindrical shape, the entirety of the body being made solely out of a single piece of polymeric material, said body having a length extending from a first outermost end to a second outermost end and a diameter and a first and second exterior shoulders at the ends, said body including an aperture extending longitudinally along and through the center of said body from the first outermost end to the second outermost end, the aperture sized to rotatably receive an axle therethrough, the axle being for mounting the roller within the aircraft cargo storage bay, wherein the roller has a burn rate of less than 4.0 inches per minute.Type: ApplicationFiled: March 4, 2014Publication date: July 17, 2014Applicant: Advanced Aircraft Roller Systems, Inc.Inventors: Bryan Spiess, John Dallum
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Publication number: 20130225381Abstract: A method for forming a tubular sheet product roll includes providing a sheet product roll having a first configuration and a void, centering a rotational axis of the sheet product roll on a longitudinal axis of a first tool, and inserting the first tool into the void of the sheet product roll to define an inner diameter of the void and to form the sheet product roll having a second configuration different from the first configuration.Type: ApplicationFiled: March 13, 2013Publication date: August 29, 2013Applicant: GEORGIA-PACIFIC CONSUMER PRODUCTS LPInventor: Georgia-Pacific Consumer Products LP
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Publication number: 20130225382Abstract: A method for forming a tubular sheet product roll includes providing a sheet product roll having a first configuration and a void, centering a rotational axis of the sheet product roll on a longitudinal axis of a first tool, and inserting the first tool into the void of the sheet product roll to define an inner diameter of the void and to form the sheet product roll having a second configuration different from the first configuration.Type: ApplicationFiled: March 13, 2013Publication date: August 29, 2013Applicant: GEORGIA-PACIFIC CONSUMER PRODUCTS LPInventor: Georgia-Pacific Consumer Products LP
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Publication number: 20120309603Abstract: The invention relates to a method for producing an adhesive closure part (1) comprising a support (2), a single-pieced arrangement made of projecting stems with hooking elements (4), which are mounted in the region of the stems (3) opposite the support.Type: ApplicationFiled: February 8, 2011Publication date: December 6, 2012Inventor: Guntmar Seifert
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Patent number: 8241751Abstract: Provided is a glass roll formed by winding a glass film into a roll, in which a minimum winding radius of the glass film is optimized. Thus, the glass film is reliably prevented from breaking due to static fatigue, and is able to be stored for long periods. A glass roll (1), which is formed by winding a glass film (2) into a roll, has a configuration in which the glass film has a minimum winding radius (R) satisfying the following relation: R?(T/2)[(2.3/?)×E?1], where ? represents flexural strength of the glass film (2) obtained by a 3-point bending test, T represents a thickness of the glass film, and E represents a Young's modulus of the glass film.Type: GrantFiled: September 30, 2009Date of Patent: August 14, 2012Assignee: Nippon Electric Glass Co., Ltd.Inventors: Masahiro Tomamoto, Michiharu Eta, Hidetaka Oda, Tatsuya Takaya, Yasuo Yamazaki, Hiroshi Takimoto, Shinichi Ishibashi, Keiji Takagi, Daisuke Nagata, Takahide Nakamura, Toru Sakurabayashi, Katsutoshi Fujiwara, Mitsuharu Noda, Yasuhiko Ogiso, Takahide Fujii
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Publication number: 20120201572Abstract: A roller includes a shaft including reinforcing fiber and a binder resin; and an elastic body surrounding an outer surface of the shaft, wherein an average length to average diameter ratio (L/D) of the reinforcing fiber is from about 15,000:1 to about 50,000:1.Type: ApplicationFiled: February 7, 2012Publication date: August 9, 2012Applicant: Samsung Electronics Co., Ltd.Inventors: Soon-nam Kim, Hee-won Jung, Moon-young Kim, Dong-jin Park, Myoung-su Baek, Yong-hoon Lee
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Publication number: 20120065041Abstract: A holding jig (1, 2, 3) for a thin cylindrical work (W) includes a holding member (10, 10A, 10B) which holds the work (W) from an inner peripheral side and a diameter changing unit (25, 27) which changes a diameter of the holding member (10, 10A, 10B). The holding member (10, 10A, 10B) is made of metal and has a cylindrical shape and an elastically expandable or contractible diameter. The holding member (10, 10A, 10B) is configured with an outside diameter of the holding member (10, 10A, 10B) being held smaller than an inside diameter of the work (W) at the time of insertion into an inner periphery of the work (W) and being expanded after inserted into the inner periphery of the work (W) to hold the work (W) from an inner peripheral side of the work (W) with an outer peripheral surface in close contact with an entire inner peripheral surface of the work (W).Type: ApplicationFiled: May 12, 2010Publication date: March 15, 2012Applicant: TOSHIBA KIKAI KABUSHIKI KAISHAInventors: Takayoshi Sano, Tadamasa Furuya
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Patent number: 8037607Abstract: A process for producing a conductive rubber roller having a conductive core material and a rubber layer provided thereon. The rubber layer contains at least acrylonitrile rubber, epichlorohydrin rubber and a blowing agent, and has a gas generation rate of from 2 ml/g·min to 4 ml/g·min at 170° C. to 230° C. The process has a vulcanizing and foaming step of vulcanizing and foaming the rubber layer by using a microwave vulcanizing furnace which provides hot air and irradiation with microwaves. A temperature of a heating atmosphere in the microwave vulcanizing furnace in the vulcanizing and foaming step is so controlled that a ratio of initial vulcanizing time T10 to initial foaming time Tp10, T10/Tp10, of the rubber layer is from 1 or more to less than 3 and the T10 is within 90 seconds.Type: GrantFiled: March 20, 2009Date of Patent: October 18, 2011Assignee: Canon Kasei Kabushiki KaishaInventors: Hiroshi Imasaka, Satoshi Fukuzawa, Mitsuru Okuda, Erika Umeki
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Publication number: 20110142524Abstract: Provided is a transportation roller, a transportation unit, a printing apparatus, and a method of manufacturing a transportation roller capable of reducing warpage with the elapsing of time. A transportation roller includes: a roller body which is formed in a cylindrical shape by subjecting a metal sheet to a pressing process and allowing a pair of end portions thereof to face each other, and has a joint formed between the pair of end portions, wherein in a sectional shape perpendicular to the axis of the roller body, a thickness of a joint facing portion facing the joint with the axis interposed therebetween is larger than a thickness of a joint portion provided with the joint, and a thickness of the roller body connecting the joint facing portion and the joint portion is gradually changed as it goes from the joint facing portion to the joint portion.Type: ApplicationFiled: December 8, 2010Publication date: June 16, 2011Applicant: SEIKO EPSON CORPORATIONInventors: Koichi SAITO, Toru SHINTATE, Shinji OKUYAMA, Kenji OZAWA
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Publication number: 20110092349Abstract: The invention concerned is a deep rolling head (1) of a deep rolling unit for deep rolling of radii or recesses (4) at the bearing trunnions (5) of crankshafts with the help of work rollers (3) which are held on both sides of the contact point in the direction of circumference (6) at the deep rolling head with the bearing trunnion (5) from cages (7) and can be rotated freely in there, whereby the cages (7) are held at the deep rolling head (1) by cage retainers (10). At least one cage (7) of the deep rolling head (1) is designed as cage roller (9) and a stopping device in the form of a holding plate (14) is provided for the work roller (3).Type: ApplicationFiled: June 3, 2009Publication date: April 21, 2011Applicant: Hegenscheidt-Mfd GmbH & Co. KGInventors: Alfred Heimann, Daniel Knipping
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Patent number: 7854696Abstract: A rolling pin with an adjustable offset for flattening or rolling out dough at a consistent thickness. The adjustable offset rolling pin includes a rolling pin body; a removable offset system for maintaining the rolling pin body a predetermined distance above a surface; a locking system for temporarily maintaining the offset system adjacent the rolling pin body; and a triggering mechanism for disengaging the locking system during the addition or removal of the offset system. More specifically, the adjustable offset rolling pin includes a rolling pin body; a plurality of end caps partially received by the rolling pin body; a plurality of handles adapted for engagement with the end caps; a plurality of push-buttons partially received within the handles; a plurality of offset discs configured to engage the end caps; and an offset disc holder adapted to store the plurality of offset discs during non-use.Type: GrantFiled: January 11, 2007Date of Patent: December 21, 2010Assignee: Lifetime Brands, Inc.Inventor: Robert Price
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Patent number: 7771333Abstract: An aircraft conveyor system comprising an aircraft including an aircraft cargo storage bay; and a roller mounted within the aircraft cargo storage bay, the roller including a one-piece integral body having a cylindrical shape, the entirety of the body being made solely out of a single piece of polymeric material, said body having a length extending from a first outermost end to a second outermost end and a diameter and a first and second exterior shoulders at the ends, said body including an aperture extending longitudinally along and through the center of said body from the first outermost end to the second outermost end, the aperture sized to rotatably receive an axle therethrough, the axle being for mounting the roller within the aircraft cargo storage bay, wherein the roller has a burn rate of less than 4.0 inches per minute.Type: GrantFiled: February 6, 2002Date of Patent: August 10, 2010Assignee: Advanced Aircraft Roller Systems, Inc.Inventors: Bryan Spiess, John Dallum
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Publication number: 20100187344Abstract: The present invention is to provide a rolling mil roll including a rolling mill ring and a metal base in which a tensile stress applied to the rolling mill ring located along the outer circumferential face side is reduced; and then cracks thereon are prevented from occurring. The rolling mill roll 10 includes: the rolling mill roll 11 made of cemented carbide having rolling sections 13 on its outer circumferential face 11a; and the metal base 12 located on the inner circumferential face of the rolling mill roll 11. The circumferential interface 14, where the rolling mill ring 11 and the metal base 12 face each other, is fixed radially around its axis L by a contact pressure derived from a fitting section, and also is bound with an adhesive agent M.Type: ApplicationFiled: May 16, 2008Publication date: July 29, 2010Applicant: Mitsubishi Materials CorporationInventors: Koichi Yuri, Mitsuhiro Takatsuki, Eiji Ogura
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Patent number: 7758839Abstract: Method for producing silicon which is suitable as a starting material for producing a silicon melt for the fabrication of silicon blocks or silicon crystals, comprising the following steps: introducing a gaseous mixture of monosilane and hydrogen into a reactor, thermal degrading the gaseous mixture for forming silicon powder, separating the formed silicon powder produced from the gaseous mixture, and mechanical compacting the separated silicon powder with compacting rollers which having a roller jacket consisting of a ceramic material selected from graphite, glass and silicon nitride.Type: GrantFiled: May 10, 2005Date of Patent: July 20, 2010Assignee: Joint Solar Silicon GmbH & Co. KGInventors: Peter Adler, Andreas Gölz, Holger Kirchner, Armin Müller, Torsten Sill, Raymund Sonnenschein
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Publication number: 20100058703Abstract: A support system for holding solar mirrors of a solar trough system includes a frame for supporting the mirrors. The system includes a rib attached to the frame. The system includes at least a first roller engaged with the rib along which the rib moves as the frame moves. A method for moving a frame supporting solar mirrors of a solar trough system includes the steps of moving the frame on a roller guided by a rib engaged with the roller and attached to the frame bottom to a first position. There is the step of moving the frame on the roller guided by the rib engaged with the roller and attached to the frame bottom to a second position. A roller for engaging with a rib attached to a frame that holds mirrors of a solar trough system. An apparatus for cleaning solar mirrors on a frame of a solar trough system. A method for cleaning mirrors on a framework of a solar trough system. A rib for a frame that holds solar mirrors of a solar trough system which engages with a roller.Type: ApplicationFiled: October 1, 2009Publication date: March 11, 2010Inventors: Craig Roy Werner, John Funai
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Patent number: 7628745Abstract: An impression cylinder in the form of a hollow cylinder made of metal, e.g., aluminum, for printing machines, having an essentially constant wall thickness over its length. The cylinder may have a predetermined inner diameter and may have various different outer diameters. The hollow cylinder includes a cylinder jacket. The cylinder jacket is provided with longitudinal openings, such as longitudinal bores. The employment of these longitudinal openings, e.g., bores, in various different numbers, sizes and shapes, enables impression cylinders having different external diameters and equal internal diameters to have substantially similar weights or mass per unit length.Type: GrantFiled: December 19, 2001Date of Patent: December 8, 2009Assignee: Gallus Ferd. Ruesch AGInventor: Werner Fah
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Publication number: 20090124476Abstract: The present invention provides an improved roller structure of a business machine, having a side hole naturally formed on both distal sides of a hollow tubular roller body and provided for two sheet side covers to be coupled with the periphery of the side hole at a distal side of the roller body by friction welding, and at least one of the side covers has a ventilation hole for receiving an extended plunger to seal the cover, and a vertical protruding pivot shaft is installed at the center of another side of the two side covers (by an integral formation or a combination of separate components, such that the two pivot shafts can be extended along the direction of the shaft center of the roller body.Type: ApplicationFiled: November 12, 2007Publication date: May 14, 2009Inventor: Yu-Lang Wu
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Patent number: 7353605Abstract: An improved method for producing a metallic core for use in the production of a blanket cylinder or an image cylinder sleeve for use in electrophotographic processes. The sleeves includes aluminum or other suitable metal, which is rendered more suitable for use as a sleeve surface by oxidation.Type: GrantFiled: July 30, 2004Date of Patent: April 8, 2008Assignee: Eastman Kodak CompanyInventors: Steven O. Cormier, Thomas N. Tombs, Edward T. Miskinis
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Patent number: 6827677Abstract: Rollers and cylinders that are useable in a rotary printing presses are made using hollow tubular casings having metallic foam cores. The casings and cores are made separately. The cores are then placed inside the casing and the two are secured in a force-transmitting manner.Type: GrantFiled: November 20, 2002Date of Patent: December 7, 2004Assignee: Koenig & Bauer AktiengesellschaftInventors: Erhard Herbert Glöckner, Willi Albert Peter Kutzner, Wolfgang Günter Ruckmann
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Patent number: 6783485Abstract: A roll for a paper or board machine is produced by forming a tubular roll blank by bending out of a planar sheet or by means of centrifugal casting. The roll blank is first coated with a material having a modulus of elasticity and a density lower than those of steel and the coated roll blank is turned on a lathe to a desired shape and to a desired surface quality.Type: GrantFiled: August 20, 2003Date of Patent: August 31, 2004Assignee: Metso Paper, Inc.Inventors: Eero Savolainen, Jorma Snellman
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Patent number: 6779450Abstract: A thin wall external drum for an external drum imaging system includes a cylindrical portion having a hollow tube and a pair of end plates mounted to opposing sides of the hollow tube, wherein the hollow tube has the wall thickness less than or equal to about 1.5 percent of the outside diameter of the external drum.Type: GrantFiled: April 21, 2003Date of Patent: August 24, 2004Assignee: Agfa CorporationInventors: Michael G. Vieira, Amy Pietrzak
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Patent number: 6615722Abstract: A cylinder with a functional layer (23) and with a supporting body (1), which passes through the cylinder. On the supporting body (1), a sleeve that accommodates the functional layer (23) is supported at ends (2, 5). The supporting body (1) is for its part accommodated on supporting elements (10, 11, 13) provided on the frame side. The cylinder sleeve (3) that accommodates the functional layer (23) can be centered in relation to the axis of rotation (8) by centering faces (6, 7) formed at the ends (2, 5). One end of the cylinder can be exposed at the supporting element (13).Type: GrantFiled: May 16, 2001Date of Patent: September 9, 2003Assignee: Nex Press Solutions LLCInventors: Wolfgang Heinrich Alberstadt, Christian Compera, Andreas Dickhoff, Karlheinz Groeninger, Gregory Kowalski, James Shifley
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Patent number: 6484402Abstract: Rollers and cylinders that are useable in rotary printing presses are made using hollow tubular casing having metallic foam cores. The casings and cores are made separately. The cores are then placed inside the casing and the two are secured together in a force-transmitting manner.Type: GrantFiled: April 27, 2000Date of Patent: November 26, 2002Assignee: Koenig & Bauer AktiengesellschaftInventors: Erhard Herbert Glöckner, Willi Albert Peter Kutzner, Wolfgang Günter Ruckmann
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Patent number: 6481707Abstract: A paper-feeding roller, made of a cylindrical elastic material, which is used for a printing apparatus of ink jet type, with the paper-feeding roller mounted on a core, wherein a friction coefficient (&mgr;) of the paper-feeding roller is set not less than 1.5; and the following relationship is established among the friction coefficient (&mgr;) of the paper-feeding roller, a tensile elongation E (%) thereof, and a fracture-time strength T (MPa) thereof: 15>(E×T)/(&mgr;×100)≧5.Type: GrantFiled: July 18, 2001Date of Patent: November 19, 2002Assignee: Sumitomo Rubber Industries, Ltd.Inventors: Toshiro Matsuo, Hideyuki Okuyama
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Publication number: 20020169059Abstract: A roller including an inner tubing and an outer tubing which is fixed relative to the inner tubing by fixing means which includes welding the outer tubing to the inner tubing or by providing a plurality of radially disposed and spaced apart spokes rigidly interconnecting the inner elongate tubing to the outer elongate tubing. The roller with weldments is particularly suitably for a nipped application.Type: ApplicationFiled: March 5, 2002Publication date: November 14, 2002Applicant: Componex CorporationInventor: Cal Couillard
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Patent number: 6390962Abstract: A roller for a belt stretching mechanism of a spinning machine has edge regions, a central zone which is depressed relative to the edge regions, and a radially movable sleeve located in a region of the central zone.Type: GrantFiled: February 22, 2000Date of Patent: May 21, 2002Assignee: TEXParts GmbHInventors: Wilhelm Birkenmaier, Frank Baier, Horst Howorka
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Publication number: 20010037837Abstract: Disclosed is a metal pipe excellent in dimensional accuracy, which is suitably used for a development sleeve, a fixing roller, or a photosensitive drum for electrophotographic apparatuses or electrostatic recording apparatuses such as copying machines or printers, or a base body thereof. The metal pipe is produced by cutting a long-sized metal pipe body into a specific length, to obtain a raw pipe, and adjusting the surface state and the dimensional accuracy of the raw pipe by cutting and polishing the outer peripheral surface of the raw pipe, wherein the raw pipe has an inner stress of 20 N/mm2 or less.Type: ApplicationFiled: May 7, 2001Publication date: November 8, 2001Applicant: BRIDGESTONE CORPORATIONInventors: Morihiro Miyashita, Yuuichi Hamaguchi
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Publication number: 20010007846Abstract: A method of fabricating a circular-shaped metal structure, includes the steps of (a) rotating a pipe around an axis thereof, the pipe being composed of a plastic-workable metal, and (b) applying drawing to an outer wall of the pipe with the pipe being kept rotated, to reduce a wall thickness of the pipe and lengthen a wall of the pipe. A resultant circular-shaped metal structure fabricated by the method could have a thickness equal to or smaller than 0.09 mm.Type: ApplicationFiled: December 1, 2000Publication date: July 12, 2001Applicant: DYMCO LIMITED and K.K. ENDO SEISAKUSHOInventors: Masaru Sakuma, Youji Ito
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Patent number: 6159135Abstract: A process for manufacturing an upper work roller for use in the deep rolling of crankshafts includes the steps of: rough sawing tool steel to form a generally cylindrical wafer, heat treating the wafer to provide it with a desired hardness, grinding of the wafer to desired dimensions to form a properly dimensioned heat treated blank wafer, a second grinding of the wafer to form a finished shape of work roller, and vibratory finishing the roller to achieve a desired microfinish thereon.Type: GrantFiled: September 3, 1998Date of Patent: December 12, 2000Assignee: Lonero Engineering, Inc.Inventors: Vincent J. Lonero, Shawn D. Luteran, Mark R. Lathrup
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Patent number: 6105249Abstract: A roller is equipped with an elastic layer comprising a foam, wherein at least a part of the elastic layer is subjected to permanent compressional deformation by heating compression, and the cells in the elastic layer subjected to permanent compressional deformation by heating compression outnumber the cells therein before the heating compression; and a process for producing the above roller in high efficiency. The above process enables the production of the roller in which the surface state of only an arbitrary portion thereof is modified according to the purpose of use, and the roller thus obtained can exhibit high performances in a variety of applications including paper feed roller, developer conveying roller and so forth.Type: GrantFiled: January 7, 1999Date of Patent: August 22, 2000Assignee: Bridgestone CorporationInventors: Yukio Ando, Hajime Hasegawa, Shigeo Kuriyama, Yosuke Noda
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Patent number: 6068582Abstract: A roll for use in a paper machine including a bendable roll shell disposed around a continuous roll carrier. The roll shell is supported at least in the radial direction on the roll carrier only in an axial central region. Axially outside the central region, the roll shell and/or carrier are respectively shaped and positioned that there is radial spacing between them for allowing the roll shell to bend in relation to the roll carrier under the weight of the roll shell and the force exerted by the belt, web, or the like, partially wrapped around the roll shell. To improve the behavior of the roll, the roll shell is of such material and/or shaped so that beginning from the central region, the rigidity of the roll shell decreases toward the axial ends of the roll shell in such a way that loading resulting from the dead weight of the roll shell and the operational loading on the roll shell causes desired curvature of the bending line of the roll shell.Type: GrantFiled: July 13, 1998Date of Patent: May 30, 2000Assignee: Voith Sulzer Papiermaschinen GmbHInventor: Joachim Grabscheid
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Patent number: 5984846Abstract: A roll is described, particularly a roll for crushing or de-agglomerating different materials. It can be used in all situations where deformations of the roll ends, in association with a constant roll gap, constitute a problem, particularly at high roll loadings. The object of the invention is to further develop a roll of this type so that variable adjustments or a constant roll gap are possible at different operating stages. This object is achieved in that the roll consists of a core and a roll shell, wherein elastic elements are disposed between the core and the roll shell.Type: GrantFiled: November 26, 1997Date of Patent: November 16, 1999Assignee: Buhler AGInventors: Sebastian Hirschberg, Armin Geiger
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Patent number: 5974972Abstract: A printing carrier sleeve for mounting printing plates thereon, is formed by cutting a sheet of flexible plastic material having opposite edges into a substantially rectangular shape of desired dimensions such that opposite edges are cut-away to provide complementary tabs and openings that interlock with each other, adhering printing plates on the sheet when the sheet is in a substantially flat condition, securing opposite edges of the sheet together in abutting relation so as to prevent air from passing between the opposite edges, and thereby forming the printing carrier sleeve in a cylindrical configuration, by placing a strip of tape on a forming cylinder, securing one edge of the rectangular sheet on the strip of tape on the cylinder, and wrapping the opposite edge of the sheet about the cylinder into abutting relation with the one edge to provide the interlocking arrangement.Type: GrantFiled: April 6, 1998Date of Patent: November 2, 1999Inventors: Mark E. Van Denend, Jerome T. Mussman, John R. Perazzo
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Patent number: 5813962Abstract: A forged roll for rolling a seamless steel pipe, having excellent biting properties and wear resistance. The forged roll includes a high carbon alloy cast steel comprising about 1.10-1.85 wt % carbon, about 0.3-1.2 wt % silicon, about 0.4-1.5 wt % manganese, about 0.5-2.0 wt % nickel, about 0.5-2.0 wt % chromium and iron. Heat treatment for spheroidal carbide formation is performed so that the spheroidal carbide covers about 35-55% of the area of the roll metallurgical structure.Type: GrantFiled: June 24, 1997Date of Patent: September 29, 1998Assignees: Kawasaki Steel Corporation, Pacific Steel Mfg. Co., Ltd.Inventors: Taro Kanayama, Akira Yorifuji, Toshiaki Kasuya, Yuichiro Sato, Shoitsu Seo, Satoshi Matsuoka
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Patent number: 5451198Abstract: A roller with a replaceable sleeve used primarily in the can industry to apply a surface coating to the cans and also used in industries that utilize rollers for graphics, conveying, laminating or spreading a coating on another surface. The roller includes a core that has at least one male dovetail projection formed thereon and a sleeve with at least one female dovetail formed on the interior surface thereof. The female dovetail is sized to receive the male dovetail therein when the sleeve is slidably received on the core.Type: GrantFiled: September 12, 1994Date of Patent: September 19, 1995Inventor: Joseph L. Lancaster
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Patent number: 5378219Abstract: An insulating roller cover includes a highly desirable combination of features. The cover is free from asbestos and is therefore of more desirable construction for handling and use. For the roller cover, at least substantially ceramic fiber is highly compressed, providing a dense and refractory, elevated temperature resistant insulating cover. The cover may itself serve as a load bearing surface; or may provide a foundation or protective media for annular discs or 10 sleeve members made of various, load bearing materials. These load bearing materials may be unable to resist direct contact with the shaft due to thermal shock or the differences in their respective expansion and contraction rates. Where impregnant is utilized with the highly compressed fiber, such will often comprise a colloidal substituent.Type: GrantFiled: December 7, 1992Date of Patent: January 3, 1995Assignee: Global Consulting, Inc.Inventors: Charles M. Hart, James D. Rogers, Harry L. King, John J. Bartholomew
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Patent number: 5267932Abstract: A top roll for use in drafting textile fibers includes a disposable cartridge C at each end each containing sealed ball bearings and a spacer between the bearings so as to be maintained in an assembled relation and positioned upon reduced end portions of a top roll shaft by the end screw D.Type: GrantFiled: December 1, 1992Date of Patent: December 7, 1993Assignee: Progressive Equipment, Inc.Inventor: Kenneth R. Grant