Including Discrete Embedded Fibers Patents (Class 474/263)
  • Patent number: 10941506
    Abstract: A plied cord includes three or four first twist yarns containing para-aramid fibers, wherein: the para-aramid fibers have an average size of 1000-1250 dtex, a tensile elasticity of 55-70 GPa and a tensile strength of 2800-3500 MPa; and for the plied cord, the number of first twists when the number of the first twist yarns is three is 33-40 twists/10 cm and the number of first twists when the number of the first twist yarns is four is 42-52 twists/10 cm, the second twist direction is the opposite direction from the first twist, and the ratio of the second twist coefficient to the first twist coefficient is 0.25-1.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: March 9, 2021
    Assignee: Mitsuboshi Belting Ltd.
    Inventor: Takuya Tomoda
  • Patent number: 10760646
    Abstract: A V-ribbed belt includes a compression rubber layer containing a vulcanizate of a rubber composition, a tension member, and a tension layer, and has a side part of the compression rubber layer being a ground surface coming into contact with pulleys, and a bottom part of the compression rubber layer being a non-ground surface not coming into contact with pulleys. The V-ribbed belt has, on a surface of the bottom part, a composite layer containing a fiber assembly and a vulcanizate. The fiber assembly contains a heat-resistant fiber which is not melted at a vulcanization temperature of the rubber composition and has a weight per unit area of 25 g/m2 or less. The vulcanizate of the rubber composition impregnated among fibers of the fiber assembly.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: September 1, 2020
    Assignee: Mitsuboshi Belting Ltd.
    Inventors: Masashi Harada, Kohei Sugimura, Shuhei Tanaka
  • Patent number: 10508712
    Abstract: The present invention relates to a frictional power transmission belt containing a compression layer having a power transmission surface, at least a part of which is capable of coming into contact with a pulley, in which the compression layer contains a polymer component and a polyvinyl alcohol-based resin.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: December 17, 2019
    Assignee: Mitsuboshi Belting Ltd.
    Inventors: Yuji Kamba, Hiroki Imai
  • Patent number: 10450140
    Abstract: The invention relates to a force transmission belt, formed of at least one belt material (2) having a belt longitudinal direction and having a belt width extending transversely to the belt longitudinal direction, containing a belt back (1), a tension-bearing element zone (3) having a plurality of tension-bearing elements arranged adjacent to each other over the belt width at a distance and parallel to each other, and a force transmission zone (6) adjoining the tension-bearing element zone (3). Said force transmission belt can be formed simply, economically, and with improved running properties in that the tension-bearing elements are formed by at least two narrow strips (4) of a pre-stretched plastic material, which strips are arranged adjacent to each other over the belt width and are spaced apart from each other by belt material (2).
    Type: Grant
    Filed: August 19, 2015
    Date of Patent: October 22, 2019
    Assignee: ARNTZ BETEILIGUNGS GMBH & CO. KG
    Inventors: Salem Hazim, Michael Giessmann
  • Patent number: 10018248
    Abstract: A belt having an elastomeric body, a tensile cord embedded therein, and a tooth fabric having an increased value of Fabric Tensile Toughness as defined herein. The Fabric Tensile Toughness may be derived from properties of the yarns making up the fabric, such as yarn linear density, yarn ultimate elongation, yarn tensile strength, yarn packing density and weave ratio. The Fabric Tensile Toughness may be greater than 60 mJ/mm2. The belt may be a toothed belt of cast polyurethane with carbon fiber tensile cord. Also disclosed is a method of improving a known tooth cover fabric for a toothed power transmission belt involving selecting a different fabric having a higher Fabric Tensile Toughness than the known fabric and orienting the different fabric so the direction of highest Fabric Tensile Toughness is oriented in the longitudinal direction of the belt.
    Type: Grant
    Filed: July 25, 2016
    Date of Patent: July 10, 2018
    Assignee: Gates Corporation
    Inventors: Joseph R. Duke, Jr., Xinjian Fan, Karla J. Bier, Shawn Xiang Wu, Leslee Brown
  • Patent number: 9927001
    Abstract: A fabric for transmission belts is described that is made entirely with polyaramid fibers. Furthermore, a transmission belt is provided that comprises a body made of a first elastomeric material, in which a plurality of resistant longitudinal filiform inserts is embedded, and a working surface covered in a covering fabric comprising polyaramid fibers in weft and warp yarns; advantageously, the transmission belt is a toothed belt. According to the present invention, in use, the belt is in continuous contact with oil or partially immersed in oil.
    Type: Grant
    Filed: January 31, 2013
    Date of Patent: March 27, 2018
    Assignee: Dayco Europe S.R.L
    Inventors: Marco Di Meco, Carlo Baldovino, Marino Petaccia
  • Patent number: 9388879
    Abstract: A power transmission belt having a body with a length, an inside, an outside, laterally spaced sides, and a plurality of ribs extending lengthwise at one of the inside and outside of the body. The body has a rubber layer at the other of the inside and outside of the body in which non-straight, short fibers are embedded.
    Type: Grant
    Filed: December 22, 2005
    Date of Patent: July 12, 2016
    Assignee: Mitsuboshi Belting Ltd.
    Inventors: Susumu Takaba, Yorifumi Hineno
  • Patent number: 9279436
    Abstract: There is provided a joint structure for a fiber reinforced resin and a metal. In the joint structure, respective end portions of a fiber reinforced plastic and a metallic material are joined to each other. A large number of projections having a height that enables the projections to contact fibers constituting the fiber reinforced plastic are formed on a joint surface of the metallic material serving as a part of a joint surface between the fiber reinforced plastic and the metallic material.
    Type: Grant
    Filed: May 6, 2013
    Date of Patent: March 8, 2016
    Assignee: FUJI JUKOGYO KABUSHIKI KAISHA
    Inventors: Tamotsu Osada, Ayako Oide, Takahiro Nagayama
  • Patent number: 9039554
    Abstract: A power transmission belt comprising cord, elastomeric undercord, at least one pair of opposing v-shaped pulley contact surfaces, and having discontinuous fiber embedded in the undercord, some of which protrude from a contact surface. The fiber comprises deformable polymer, such as nylon, and the fiber protrusions are substantially erect with respect to the surface and substantially straight or slightly bowed, especially near the free end, and the fiber protrusions are deformed from an original cross-sectional shape, which may be substantially round or oval or the like, to an elongated, oval, oblong, kidney, or flattened circle shape. The protruding fiber length is at least two fiber diameters.
    Type: Grant
    Filed: November 25, 2008
    Date of Patent: May 26, 2015
    Assignee: Gates Corporation
    Inventors: Tae Hee Cheong, Duane A. Junker
  • Publication number: 20150141187
    Abstract: Poly-V belt comprising a body made of elastomeric material, preferably EPDM, a plurality of threadlike resistant inserts longitudinally embedded in the body, and a coupling portion integrally connected to the body and comprising a plurality of V-shaped ribs arranged side by side and alternated with V-shaped grooves. According to the present invention the belt comprises a layer of a thermoplastic material which covers the ribs at least partially, and a layer of elastomeric material in which a knitted fabric is embedded. The layer of elastomeric material is above and in contact with the thermoplastic material.
    Type: Application
    Filed: May 9, 2013
    Publication date: May 21, 2015
    Inventors: Arcangelo Di Carlo, Marino Petaccia, Gianluca Perfetti, Marco Di Meco
  • Patent number: 9011283
    Abstract: A friction drive belt has a pulley contact portion of a belt body, and at least the pulley contact portion is made of a rubber composition. Numerous pores are formed in a surface of the pulley contact portion of the belt body, and numerous small protrusions having an average height of 4-40 ?m are formed to protrude from the surface.
    Type: Grant
    Filed: April 22, 2013
    Date of Patent: April 21, 2015
    Assignee: Bando Chemical Industries, Ltd.
    Inventor: Hiroyuki Shiriike
  • Patent number: 8974336
    Abstract: A power transmission belt (10) includes: a belt body (11) including a part (14) which is in contact with a flat pulley and which is made of a rubber composition containing an ethylene-?-olefin elastomer with an ethylene content of less than or equal to 60% by mass as raw rubber. The rubber composition forming the contact part (14) with the flat pulley has a storage modulus of 20-60 MPa at 25° C. and a storage modulus of 12 MPa or more at 100° C., short fibers are not blended into the rubber composition, and the grain direction of the rubber composition corresponds to a belt lengthwise direction.
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: March 10, 2015
    Assignee: Bando Chemical Industries, Ltd.
    Inventors: Eijiro Nakashima, Shigeki Okuno
  • Patent number: 8944948
    Abstract: A flat belt (B) includes a cord retaining layer (11) in which a cord (14) extending in a belt length direction and arranged helically at a certain pitch in a belt width direction is embedded, and an inner rubber layer (12) provided on a belt inner side of the cord retaining layer (11) and serving as a pulley contracting portion. The cord retaining layer (11) is made of a rubber composition containing short fibers (15) which are mixed in a rubber component in an amount of 1 to 20 parts by mass relative to 100 parts by mass of the rubber component, and are dispersed to be oriented in the belt width direction. The inner rubber layer (12) is made of a rubber composition not containing short fibers (15).
    Type: Grant
    Filed: March 26, 2009
    Date of Patent: February 3, 2015
    Assignee: Bando Chemical Industries, Ltd.
    Inventor: Hisashi Matsuda
  • Publication number: 20140378255
    Abstract: The invention relates to a power transmission belt, having a base made of polyurethane (30) and a textile overlay (1) and comprising a first coating of a first thermoplastic material (22?) on the surface (11) of the textile overlay (1), which first coating forms an impregnation, has a melting temperature from 80° C. to approximately 145° C., and penetrates at least partially into the textile, and comprising a second coating (26) of a second thermoplastic material on the first coating, which second coating has a higher melting point. The coatings can be applied successively to the textile overlay (1) before the casting of the polyurethane or can be overlaid as individual films or as multi-layer film and applied to the textile overlay by heat and pressure. The coating acts to reduce abrasion and prevents the through passage of the belt polyurethane.
    Type: Application
    Filed: December 17, 2012
    Publication date: December 25, 2014
    Inventor: Daniel Pattie Gibson
  • Publication number: 20140364260
    Abstract: A friction transmission belt includes short fibers arranged so as to protrude from a surface of a pulley contact-side part made of a rubber composition. The short fibers consist of aramid short fibers and non-aramid synthetic short fibers having a standard moisture regain of equal to or less than 4%.
    Type: Application
    Filed: August 21, 2014
    Publication date: December 11, 2014
    Inventors: Shinji Takahashi, Takayuki Okubo, Yasuhiro Takano, Hiroyuki Tachibana, Tadahiko Noguchi
  • Publication number: 20140262696
    Abstract: In a force transmission belt or a conveyor belt, in particular a toothed belt, having a main belt body or a cord embedding zone made of a customary belt elastomer (20), in particular of polyurethane, and having at least one tension member of carbon cord (10; 1, 2) embedded in the elastomer (20), a material (30) is provided, which is enclosed between the strands (1) of the cord (10), and which could have been introduced by applying coatings onto strands (1) of the cord (10), for example. Said filler material (30), which is different from the elastomer (20) in which the carbon cord is embedded, consists of a composition of hydroxyaromates and aldehydes, without any addition of rubber or rubber latex, a hydroxyaromates-aldehyde resin that does not contain rubber, reaction products from hydroxyaromates or hydroxyaromates-aldehyde compositions with isocyanates or isocyanate prepolymers, and/or aromatically or polyaromatically cross-linked polyurethanes, or contains these substances.
    Type: Application
    Filed: October 4, 2012
    Publication date: September 18, 2014
    Inventor: Daniel Pattie Gibson
  • Publication number: 20140274520
    Abstract: V-ribbed belts with spaced rib flank reinforcement and methods of making the same are disclosed. The V-ribbed belt comprises a compression section having at least one laterally spaced, longitudinally extending V-rib having first and second longitudinally extending flanks. The V-rib includes an elastomeric material having a dry coefficient of friction encapsulating a plurality of reinforcing bodies having a dry coefficient of friction that is less than that of the elastomeric material. The plurality of reinforcing bodies are arranged generally laterally within the V-rib such that at least a portion of the reinforcing bodies forms part of one or more of the first and second longitudinally extending flanks.
    Type: Application
    Filed: March 14, 2013
    Publication date: September 18, 2014
    Applicant: Dayco IP Holdings, LLC
    Inventor: Richard J. Witt
  • Publication number: 20140235393
    Abstract: A high load transmission V-belt includes: an endless tension band; and a plurality of blocks arranged side by side in a longitudinal direction of the tension band and each engaged with the tension band. Each of the plurality of blocks has a reinforcing structure member comprised of carbon fibers, and a resin coating layer provided so as to coat the reinforcing structure member.
    Type: Application
    Filed: April 25, 2014
    Publication date: August 21, 2014
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Hiroyuki Sakanaka, Hiroyuki Tachibana, Katsuhiko Hata
  • Patent number: 8809441
    Abstract: A rubber composition having a reinforcing filler of activated carbon having a pore volume of 0.15 cc/g or more, a weight average particle size of less than 140 microns, and a differential characteristic curve of pore volume versus adsorption potential by the GAED or equivalent method having a peak value at less than 5 cal/cc. The rubber composition may have activated carbon as the primary reinforcing filler at a loading of from 25 to 250 phr. Also described is a method including the steps of selecting a charcoal material, grinding the charcoal material, activating the charcoal material, and mixing the activated carbon into a rubber composition as the primary reinforcing filler.
    Type: Grant
    Filed: August 3, 2010
    Date of Patent: August 19, 2014
    Assignee: The Gates Corporation
    Inventors: James H. Sealey, Douglas R. Sedlacek
  • Patent number: 8673433
    Abstract: A load-pulling system includes a least one belt to which a tensile load is applied. The belt is formed of a matrix and a load-bearing fiber structure embedded in the matrix and having a plurality of fibers. The belt is guided around a least one deflection device in such a way that it forms a curved section in the region of the deflection device. A dimensioning of the belt and the applied tensile load are matched to each other in such a way that, in the curved section of the belt, a zero stress line of the belt is displaced radially inward in the direction of curvature with respect to a center line of the load-bearing fiber structure by an amount of at least 25% of the thickness of the load-bearing fiber structure.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: March 18, 2014
    Assignee: SGL Carbon SE
    Inventors: Bernd Reif, Florian Gojny, Tobias Schmidt
  • Publication number: 20140066244
    Abstract: The durability of a frictional power transmission belt is improved. A V-ribbed belt (10) comprises an adhesion rubber portion (12) and a compression rubber portion (14) provided below the adhesion rubber portion (12). A cord (11) that is a tension member of the belt is embedded in the adhesion rubber portion (12). The adhesion rubber portion (12) includes an upper layer (12A) constituting the upper side and a lower layer (12B) constituting the lower side, which are located across the cord (11). The upper layer (12A) and the lower layer (12B) are obtained by vulcanizing a rubber composition including a high-viscosity elastomer such as EPM or EPDM, and a low-viscosity elastomer which is lower in Mooney viscosity than the high-viscosity elastomer, and contain modified nylon microfibers as short fibers (21A), (21B), respectively. The short fibers (21A), (21B) are oriented, respectively, in the width direction and longitudinal direction of the belt.
    Type: Application
    Filed: February 1, 2012
    Publication date: March 6, 2014
    Applicant: The Gates Corporation
    Inventors: Satoshi Furukawa, Kazuma Yamamoto
  • Patent number: 8632432
    Abstract: A supporting and drive belt including a belt body or sheathing which encloses tensile carriers. The running surface of the belt can be flat and parallel to the belt back or have trapezium-shaped or semicircular ribs and grooves, wherein the profile of a drive pulley or of a deflecting pulley is approximately complementary to the running surface of the belt. One or more tensile carriers are provided for each rib, wherein the tensile carriers are laid or stranded alternately in the “Z” direction and the “S” direction.
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: January 21, 2014
    Assignee: Inventio AG
    Inventors: Adolf Bissig, Alessandro D'Apice, Herbert Bachmann, Manfred Wirth, Roland Lorenz, Tobias Noseda, Florian Dold, Claudio De Angelis
  • Publication number: 20130231207
    Abstract: There is disclosed a glass-fiber coating liquid for forming a coating layer on a glass fiber cord, prepared in the form of an emulsion consisting essentially of a monohydroxybenzene-formaldehyde resin (A) obtained by reaction of monohydroxybenzene (D) and formaldehyde (E), a vinylpyridine-styrene-butadiene copolymer (B) having a vinylpyridine monomer content of 17 to 35% by mass, a styrene monomer content of 20 to 40% by mass and a butadiene monomer content of 35 to 60% by mass, a chlorosulfonated polyethylene (C), an acrylonitrile-butadiene rubber (P); at least one of an antioxidant, a pH adjuster and a stabilizer; and water.
    Type: Application
    Filed: March 8, 2013
    Publication date: September 5, 2013
    Applicant: Central Glass Company, Ltd.
    Inventors: Takafumi Iwano, Katsuhiko Ogaki, Minekazu Kohama, Kazuhiro Yamamoto
  • Publication number: 20130217528
    Abstract: The present invention relates to a method for producing an aramid core wire, containing a step of covering or impregnating an original yarn of an aramid core with a first treating agent containing a condensate of resorcin and formaldehyde, a latex and a water-soluble epoxy compound; an aramid core wire produced by the method; a transmission belt containing the aramid core wire; a method for producing the transmission belt; and a treating agent.
    Type: Application
    Filed: February 15, 2013
    Publication date: August 22, 2013
    Applicant: MITSUBOSHI BELTING LTD.
    Inventor: Mitsuboshi Belting Ltd.
  • Publication number: 20130085028
    Abstract: An object of the present invention is to provide an environmentally-friendly transmission belt. Provided is a transmission belt formed of a crosslinked rubber, wherein 80% by mass or more of the transmission belt comprises non-petroleum resources, and a base rubber of the crosslinked rubber is a natural rubber.
    Type: Application
    Filed: May 17, 2011
    Publication date: April 4, 2013
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Tomoyuki Yamada, Hiroyuki Tachibana, Tomonari Nakamura, Tadahiko Noguchi
  • Patent number: 8337349
    Abstract: The invention provides a power transmission belt which is superior in oil resistance so that it is swollen to only a reduced degree, reduced in hardness, and small in abrasion if the rubber layers are stained with oil while the belt is being used in an oil-present environment. Such a power transmission belt has rubber layers which comprise a compression rubber layer and an adhesion rubber layer both of which are vulcanized and bonded to each other and load carrying cords are embedded in the adhesion rubber layer, wherein at least the compression rubber layer between the two rubber layers is formed of vulcanizate obtained by vulcanizing ethylene-?-olefin-diene rubber with an organic peroxide and a trifunctional co-crosslinking agent.
    Type: Grant
    Filed: June 21, 2005
    Date of Patent: December 25, 2012
    Assignee: Bando Chemical Industries, Ltd.
    Inventors: Katsuyoshi Fujiwara, Yoshiyuki Kitano
  • Patent number: 8312987
    Abstract: A belt monitoring system employs a belt having at least one reinforcement member made from a conductive reinforcement material. A belt monitor is disposed in conjunction with the belt. The belt monitor comprises a field inductor excited by an applied signal. An electrical characteristic of at least a portion of the field inductor as influenced by changes in the electrical properties of the conductive reinforcement member is monitored in order to determine a physical condition of the conductive reinforcement member and thereby monitor a physical characteristic of the belt. This monitoring may be carried out by a sense inductor disposed adjacent or in conjunction with the field inductor.
    Type: Grant
    Filed: January 16, 2008
    Date of Patent: November 20, 2012
    Assignee: The Gates Corporation
    Inventors: David Lynn, Graeme Knox, Carl Wacker, Ralph Moffett, William Stewart, Idir Boudaoud, Alan Kenneth McCall, Dave Hanes
  • Patent number: 8293357
    Abstract: The invention relates to a power transmission belt presenting elastomer teeth based on ethylene alpha olefin elastomer provided with an outer woven or non-woven covering. According to the invention the teeth are covered in a barrier layer, in particular of a thermoplastic material, and said outer covering, at least on the flanks of the teeth, is partially included in a portion of the thickness of the barrier layer.
    Type: Grant
    Filed: January 15, 2009
    Date of Patent: October 23, 2012
    Assignee: Hutchinson
    Inventors: Jean-Loup Cretin, Julie Rognon, Denis Tricoche, Hervé Varin
  • Patent number: 8235852
    Abstract: A power transmission belt having a body with a rubber layer defining spaced friction drive surfaces at laterally oppositely facing side surfaces. Short reinforcing fibers are embedded in the rubber layer in an amount of 15-50 parts by weight per 100 weight percent of rubber in the rubber layer. The short reinforcing fibers include polyamide short reinforcing fibers that make up at least 50 weight percent of the short reinforcing fibers embedded in the rubber layer. A plurality of the polyamide short reinforcing fibers project from the friction drive surfaces and have exposed, flattened ends. Flat particles of inorganic powder are adhered to the friction drive surfaces to reside captively between the flattened ends of the polyamide short reinforcing fibers and locations on the friction drive surfaces at which the short reinforcing fibers do not project.
    Type: Grant
    Filed: April 7, 2009
    Date of Patent: August 7, 2012
    Assignee: Mitsuboshi Belting Ltd.
    Inventors: Yorifumi Hineno, Takayuki Utsumi, Takeshi Nishiyama
  • Patent number: 8210320
    Abstract: A transmission belt for driving and/or supporting an elevator car has a longitudinally extending body including an area tensile layer reinforced by chemical fibers. The belt can have a flat friction layer or a friction layer including alternating longitudinally extending wedge-shaped ribs and grooves. Transverse grooves can be formed across the width of the longitudinally grooved friction layer.
    Type: Grant
    Filed: May 20, 2004
    Date of Patent: July 3, 2012
    Assignee: Inventio AG
    Inventor: Ernst Friedrich Ach
  • Patent number: 8197372
    Abstract: A power transmission belt comprising a body comprising an elastomeric material and having tensile members running in a longitudinal direction, the body having a pulley engaging region having a profile; the pulley-engaging region comprising a fibrous nonwoven fabric material; characterized in that the fibers of the nonwoven material comprise acrylic fibers. The acrylic fibers are preferably micro-fibers of less than about 1.5 dpf and having an average diameter of 13.5 microns or less and an average length of about 1 to about 10 mm. The nonwoven material may be commingled with the elastomeric material in the pulley engaging region. Up to about 75% by weight of the fibers of the nonwoven material may comprise non-acrylic fibers such as other synthetic fibers, natural fibers, or cellulosic fibers.
    Type: Grant
    Filed: April 7, 2006
    Date of Patent: June 12, 2012
    Assignee: The Gates Corporation
    Inventors: Shawn Xiang Wu, Lance C. Hall
  • Patent number: 8157685
    Abstract: An endless elastomeric belt includes a carcass that includes an elastomeric matrix extending in an endless loop around a circumference of the belt. The matrix has opposite lateral edges defining a width of the matrix, and a carcass cord within the matrix extending in multiple turns around the circumference of the belt. An elongate binder extends around the lateral edges of the matrix generally transverse to the centerline of the body.
    Type: Grant
    Filed: April 1, 2009
    Date of Patent: April 17, 2012
    Assignee: Apache Hose & Belting Co., Inc.
    Inventor: William T. Muma
  • Patent number: 8147365
    Abstract: A drive belt includes an endless belt body made of an ethylene-?-olefin elastomer composition and a cord embedded in the belt body to form a spiral at a specified pitch in a widthwise direction of the belt. The drive belt has a bending stiffness not larger than 0.064 N·cm2 per a belt width of 4.8 mm and the belt body has a Wallace rubber hardness not smaller than 60°.
    Type: Grant
    Filed: November 16, 2006
    Date of Patent: April 3, 2012
    Assignee: Bando Chemical Industries, Ltd.
    Inventors: Hisashi Matsuda, Yuji Sekiguchi
  • Publication number: 20120058849
    Abstract: In a friction drive belt (B), a belt body (10) made of a rubber composition is wrapped around pulleys to transmit power. A powder layer (16) is combined and integrated with a pulley contact-side surface of the belt body (10) located on a side that is to contact the pulleys, so that the powder layer (16) covers the pulley contact-side surface.
    Type: Application
    Filed: May 11, 2010
    Publication date: March 8, 2012
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD
    Inventor: Keisuke Yoshida
  • Patent number: 8025144
    Abstract: A conveyor belt device wherein a detectable coating, such as in the form of a thin film, overlies selected portions of a conveyor belt substrate surface. Suitable detectable coatings include materials that are inductive, conductive, magnetic, reflective, fluorescent and color-indicating or a combination thereof. Also disclosed are associated or corresponding conveyor belt assemblies and methods of making.
    Type: Grant
    Filed: February 11, 2005
    Date of Patent: September 27, 2011
    Assignee: Advanced Flexible Composites, Inc.
    Inventors: William Christopher Lewis, William James Lewis, Lambert Allen Terpstra, Barton Roy Lewis, Sr.
  • Patent number: 8012056
    Abstract: Poly-V belt, particularly for driving accessories of an internal combustion engine, comprising a cord realized from a yarn composed of a plurality of filaments by means of a first twisting in which are formed at least two plied yarns each composed of at least one yarn and a second twisting in which the plied yarns are twisted together to form the cord; the first twisting and the second twisting are made in opposite directions, and the numbers of twists per meter of the two twisting steps are calculated so that in the finished cord the filaments form with the axis of the cord an angle smaller than 3.3°.
    Type: Grant
    Filed: October 4, 2004
    Date of Patent: September 6, 2011
    Assignee: Dayco Europe S.R.L. Con Unico Socio
    Inventors: Marco Di Meco, Carlo Trappolini, Marino Petaccia
  • Patent number: 7988577
    Abstract: In a friction drive belt B, at least a contact part 13 of a belt body 10 with a pulley is made of an elastomer composition. The contact part 13 of the belt body 10 with a pulley has a large number of cellular pores 15 formed in the contact surface with the pulley.
    Type: Grant
    Filed: July 9, 2007
    Date of Patent: August 2, 2011
    Assignee: Bando Chemical Industries, Ltd.
    Inventors: Manabu Omori, Hiroyuki Shiriike, Hiroyuki Tachibana
  • Patent number: 7931554
    Abstract: A flexible endless belt includes cords extending generally lengthwise of the belt in multiple turns. An Outer end of each cord may be located in a position that is not substantially laterally outward of other portion of the laterally outermost turn of the cord so as to prevent fraying of the cord at the outer end. When the belt is received on roller in a baler, the outer ends of the cords lead at least a part of respective transition portions. A carcass for the belt may have a first cord wound in a Z-direction along the length of the belt and comprising at least two threads wound in the Z-direction and a second cord wound in an S-direction along the length of the belt and comprising at least two threads wound in the S-direction.
    Type: Grant
    Filed: December 26, 2006
    Date of Patent: April 26, 2011
    Assignee: Tri Corp.
    Inventors: William T. Muma, William H. S. Chen, Yu-Chun Chen
  • Patent number: 7927243
    Abstract: A stock rubber is provided with chopped aramid fibers and chopped polyester fibers blended in the rubber component, which is EPDM. The chopped polyester fibers are longer than the chopped aramid fibers. A transmission V-belt is obtained and molded from the stock rubber. When molding, the chopped aramid fibers and the chopped polyester fibers are oriented in a width direction of a belt body of the V-belt.
    Type: Grant
    Filed: August 8, 2003
    Date of Patent: April 19, 2011
    Assignee: The Gates Corporation
    Inventors: Yoshitaka Sato, Masami Sato, Tsutomu Tokunaga, Satoshi Furukawa
  • Publication number: 20110086735
    Abstract: A friction drive belt (B) includes a pulley contacting portion (13) which is made of a rubber composition of an ethylene-?-olefin elastomer as raw rubber in which carbon black having an iodine adsorption number of 40 mg/g or lower, and 3-10 parts by mass of short aramid fiber (14) relative to 100 parts by mass of the raw rubber are blended.
    Type: Application
    Filed: June 4, 2009
    Publication date: April 14, 2011
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Shinji Takahashi, Hisashi Matsuda
  • Patent number: 7899651
    Abstract: In a method for estimating an entrance angle of a V-ribbed belt from a flat pulley to a V-ribbed pulley, the entrance angle is estimated easily at a stage of pulley layout design. The V-ribbed belt 10 forms a track which enters at an entrance angle of approximately zero degree (substantially perpendicular to a plane that includes an axis 3a of rotation) into the flat pulley 3, is wound along the outer peripheral face of the flat pulley 3 without deviating in the axial direction thereof, and extends substantially linearly from a winding end point c at the flat pulley 3 to a winding start point d at a drive pulley 1. The entrance angle ? of the V-ribbed belt 10 from the flat pulley 3 to the drive pulley 1 is obtained on the basis of the track of the V-ribbed belt by, for example, a three-dimensional CAD or the like.
    Type: Grant
    Filed: October 7, 2005
    Date of Patent: March 1, 2011
    Assignee: Bando Chemical Industries, Ltd.
    Inventors: Hiroyoshi Takahashi, Eijiro Nakashima, Hideaki Kawahara
  • Patent number: 7896767
    Abstract: Short fibers 6a protruded from side faces 5a of rubber ribs 5 are thermal contracted by frictional heat by belt slip of the rubber rib side faces 5 on a V groove face of a pulley. This allows the short fibers 6a to be buried in rubber ribs 5.
    Type: Grant
    Filed: July 30, 2007
    Date of Patent: March 1, 2011
    Assignee: Bando Chemical Industries, Ltd.
    Inventor: Eijiro Nakashima
  • Patent number: 7887448
    Abstract: A power transmission belt having a body with an inside, an outside, and laterally oppositely facing side surfaces. The body has at least one surface that engages a pulley to frictionally transmit forces between the power transmission belt and pulley. The body includes rubber defining at least a part of the at least one surface. The rubber is a composition made up of a blend of at least: a) 100 parts by weight of an ethylene/?-olefin elastomer; b) 10 to 25 parts by weight of a plasticizer having a solubility parameter of from 8.3 to 10.7 (cal/cm3)1/2; and c) 60 to 110 parts by weight of an inorganic filler.
    Type: Grant
    Filed: August 28, 2006
    Date of Patent: February 15, 2011
    Assignee: Mitsuboshi Belting Ltd.
    Inventors: Yorifumi Hineno, Syuhei Nishida, Satoshi Shimoo, Hiroyuki Kojima
  • Publication number: 20110028257
    Abstract: A rubber composition having a reinforcing filler of activated carbon having a pore volume of 0.15 cc/g or more, a weight average particle size of less than 140 microns, and a differential characteristic curve of pore volume versus adsorption potential by the GAED or equivalent method having a peak value at less than 5 cal/cc. The rubber composition may have activated carbon as the primary reinforcing filler at a loading of from 25 to 250 phr. Also described is a method including the steps of selecting a charcoal material, grinding the charcoal material, activating the charcoal material, and mixing the activated carbon into a rubber composition as the primary reinforcing filler.
    Type: Application
    Filed: August 3, 2010
    Publication date: February 3, 2011
    Applicant: THE GATES CORPORATION
    Inventors: James H. Sealey, Douglas R. Sedlacek
  • Patent number: 7824284
    Abstract: A power transmission belt incorporating an adhesive treatment system and method for bonding fiber to rubber which includes an optional primer coat based on a low-molecular-weight isocyanate, followed by an overcoat including: (a) a prepolymer based on an isocyanate-terminated diene oligomer, and optionally (b) a low-molecular-weight isocyanate, and/or (c) a thermoplastic urethane comprising the reaction product of the same prepolymer with MDI and EHD. A polyester, aramid, or carbon fiber tensile cord for rubber reinforcement may be treated with the primer coat and the overcoat. A power transmission belt or other dynamic rubber product having ethylene-alpha-olefin elastomer as the primary rubber constituent may be reinforced by the tensile cord.
    Type: Grant
    Filed: November 29, 2007
    Date of Patent: November 2, 2010
    Assignee: The Gates Corporation
    Inventor: Donald J. Burlett
  • Publication number: 20100267506
    Abstract: The invention provides a sliding material for use in a wet-type continuously variable transmission, the sliding material including a resin as a matrix and mesophase pitch carbon fibers, the mesophase pitch carbon fibers being included in the sliding material at a content ratio of from 1% by volume to 60% by volume.
    Type: Application
    Filed: November 26, 2008
    Publication date: October 21, 2010
    Inventors: Hiroyuki Murase, Atsushi Suzuki, Masaru Okuyama, Mamoru Tohyama, Toshihide Ohmori
  • Patent number: 7780560
    Abstract: A power transmission belt has a compression section, a tension section, and a load carrying section. The load carrying section has a plurality of reinforcing cords. The reinforcing cords are formed from poly(p-phenylene-2,6-benzobisoxazole) (PBO). In each reinforcing cord, the cords have a yarn twist greater than the cord twist, and the cord twist is in the range of one-forth to one-half of a ply twist.
    Type: Grant
    Filed: October 27, 2006
    Date of Patent: August 24, 2010
    Assignee: Veyance Technologies, Inc.
    Inventors: Jeffrey Dwight Lofgren, Larry Dean Goettsch
  • Publication number: 20100203994
    Abstract: A friction drive belt (B) includes short fibers (14) and carbon black (18) both scattered so as to be exposed at a surface of at least a contact part (13) of a rubber belt body (10) with a pulley. The short fibers (14) include short, high modulus fibers made of polymers having a main chain which does not contain an aromatic compound and having an initial tensile resistance, measured according to JIS L 1013, of equal to or greater than 100 cN/dtex, and the carbon black (18) contain large-particle-diameter carbon black having an iodine absorption, measured according to JIS K 6217-1, of equal to or less than 40 g/Kg, and/or a specific surface area, measured by nitrogen adsorption according to JIS K 6217-2, of equal to or less than 40 m2/g.
    Type: Application
    Filed: July 4, 2008
    Publication date: August 12, 2010
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Tomoyuki Fujikawa, Shigeki Okuno, Eijiro Nakashima
  • Publication number: 20100197435
    Abstract: The invention is directed to a drive belt such as a transport or synchronous or power transmission belt with an elastomeric belt body having a drive side and a back side, a tensile member embedded in the belt body, and an anti-static, wear-resistant, covering fabric on at least one of the drive and back side. The anti-static fabric includes a nonconductive natural or synthetic polymeric fiber and a conductive fiber. The conductive fiber is a synthetic polymeric fiber with a conductive metallic coating. The metallic coating may be silver.
    Type: Application
    Filed: February 3, 2009
    Publication date: August 5, 2010
    Applicant: THE GATES CORPORATION
    Inventor: Marc Gewald
  • Publication number: 20100167861
    Abstract: A friction transmission belt, which comprises a compressed rubber layer containing an ethylene-?-olefin elastomer, a short fiber and silica and having a single-layer structure. The friction transmission belt can inhibit a noise owing to the slip caused when the friction drive section of the belt is covered with water and has excellent flexural fatigue characteristics, and further can be manufactured by a simple and easy working process.
    Type: Application
    Filed: January 11, 2006
    Publication date: July 1, 2010
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Hiroyuki Shiriike, Yasuhiko Yoshida, Hiroyuki Tachibana