Class / Patent application number | Description | Number of patent applications / Date published |
474263000 | Including discrete embedded fibers | 23 |
20080207371 | Power Transmission Belt - The invention relates to a ribbed power transmission belt exhibiting a toothing made of elastomer based on ethylene/α-olefin elastomer, characterized in that at least the sides of the toothing are coated with a film made of at least partially crosslinked thermoplastic comprising at least 30% of at least one low-density polyethylene having a molecular weight of between 50 000 and 200 000 g/mol. | 08-28-2008 |
20090029818 | Flat transmission belt - There is provided a flat transmission belt that suppresses occurrence of cracks in the belt surfaces to extend the life of cover rubber layers and hence the life of the belt as a whole. A flat transmission belt of the present invention has a first cover rubber layer and a second cover rubber layer formed on a side of the belt opposite to the side on which the first cover rubber layer is formed, and is wound between driving and driven pulleys when in use. The first cover rubber layer and the second cover rubber layer are respectively formed of rubber materials that are of the same kind but differ in mixing ratio of the components thereof, and the first cover rubber layer, which contacts a smaller number of the driving and driven pulleys, has an extension ratio higher than the extension ratio of the second cover rubber layer, which contacts a larger number of the driving and driven pulleys. | 01-29-2009 |
20090042684 | Flat Belt and Method for Production Thereof - [Problems to be Solved] | 02-12-2009 |
20090048048 | V-RIBBED BELT AND AUTOMOTIVE ACCESSORY DRIVE BELT DRIVE SYSTEM USING THE SAME - A V-ribbed belt B includes a plurality of V-ribs | 02-19-2009 |
20090149289 | POWER TRANSMISSION BELT - 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. | 06-11-2009 |
20090156344 | Conveyor belt and method for producing the same - The present invention provides a conveyor belt fabricated from a gray cloth weaved from tetragonal fibers. The conveyor belt of the present invention reduces the amount of rubber to achieve desired lightweight, with more preferable tensile strength and elongation at break than conveyor belts fabricated from circular fibers. | 06-18-2009 |
20090298632 | FRICTION TRANSMISSION BELT - The present invention provides a friction transmission belt in which slip noise caused at the time when a belt drive portion is immersed in water is suppressed and which has excellent bending fatigue strength. | 12-03-2009 |
20090298633 | Power transmission belt - 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. | 12-03-2009 |
20100167861 | FRICTION TRANSMISSION BELT - A friction transmission belt, which comprises a compressed rubber layer containing an ethylene-α-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. | 07-01-2010 |
20100197435 | Belt with Wear-Resistant Anti-Static Fabric - 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. | 08-05-2010 |
20100203994 | FRICTION DRIVE BELT AND AUTOMOTIVE ACCESSORY DRIVE BELT TRANSMISSION SYSTEM USING THE SAME - A friction drive belt (B) includes short fibers ( | 08-12-2010 |
20100267506 | SLIDING MATERIAL AND BELT FOR WET-TYPE CONTINUOUSLY VARIABLE TRANSMISSION - 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. | 10-21-2010 |
20110028257 | Method of Reinforcing Rubber and Rubber Composition - 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. | 02-03-2011 |
20130085028 | Transmission Belt - 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. | 04-04-2013 |
20130217528 | ARAMID CORE WIRE, METHOD FOR PRODUCING THE SAME, TRANSMISSION BELT, METHOD FOR PRODUCING THE SAME, AND TREATING AGENT FOR ARAMID CORE WIRE - 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. | 08-22-2013 |
20130231207 | Coating Liquid for Covering Glass Fiber and Rubber-Reinforcing Glass Fiber Using Same - 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. | 09-05-2013 |
20140066244 | FRICTION TRANSMISSION BELT - The durability of a frictional power transmission belt is improved. A V-ribbed belt ( | 03-06-2014 |
20140235393 | HIGH LOAD TRANSMISSION V-BELT - 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. | 08-21-2014 |
20140274520 | V-RIBBED BELT WITH SPACED RIB FLANK REINFORCEMENT - 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. | 09-18-2014 |
20140364260 | FRICTION TRANSMISSION BELT - 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%. | 12-11-2014 |
20140378255 | BELT HAVING A MULTILAYER IMPREGNATED TEXTILE OVERLAY - The invention relates to a power transmission belt, having a base made of polyurethane ( | 12-25-2014 |
20150141187 | POLY-V BELT COMPRISING A LAYER OF THERMOPLASTIC MATERIAL AND A KNITTED FABRIC EMBEDDED IN AN ELASTOMERIC LAYER - 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. | 05-21-2015 |
20160010723 | V-RIBBED BELT WITH SPACED RIB FLANK REINFORCEMENT | 01-14-2016 |