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| Number | Title | Issue Date |
| 7896767 | V-ribbed belt 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 | 03/01/2011 |
| 7367431 | Elevator system A wedge-ribbed belt supports an elevator car by underlooping and engages a drive pulley of a drive mounted at the head of an elevator shaft. The belt has a running surface facing the drive pulley with a plurality of ribs and grooves extending in parallel in a longit... | 05/06/2008 |
| 7367430 | Elevator system A wedge-ribbed belt supports an elevator car in a cantilevered mode and engages a drive pulley of a drive mounted at the head of an elevator shaft. The belt has a running surface facing the drive pulley with a plurality of ribs and grooves extending in parallel in a... | 05/06/2008 |
| 7325888 | Rubber crawler having excellent straight driving property A rubber crawler having a very good straight driving property is obtained by modifying a method of embedding bias cords in a rubber crawler and neutralizing shear stresses caused by tensile load of bent portions of the crawler when the crawler is entrained about a v... | 02/05/2008 |
| 7048343 | Endless elastomeric track with corrosion resistant cables This invention relates to annular or endless elastomeric track 10 for use in vehicles for civil engineering, construction works and agricultural works. The track 10 has a thin belt 20 which includes a primary table 59 made of corrosion re... | 05/23/2006 |
| 6949211 | Means of manufacturing plural optimized cogged drive belts A multi-ribbed power transmission belt having longitudinal grooves and transverse grooves that form a plurality of cogs on the belt surface defined between adjacent transverse grooves is provided. The pitch lengths of the rows of cogs are randomized or sequenced ove... | 09/27/2005 |
| 6626784 | Low modulus belt A low modulus power transmission belt having a multi-unit cord tensile member. The belt also comprises a low modulus elastomeric body. A multi-unit cord tensile member configuration is plied into the elastomeric body, the tensile cord members having an in... | 09/30/2003 |
| 5614267 | Repair of worn conveyor belting using thermally applied polymer coatings A method and a product are provided for improving the resistance to abrasion of a load-carrying surface of a conveyor belt formed of a cord-reinforced elastomer material selected from the group consisting of natural and synthetic rubber, the belt being ad... | 03/25/1997 |
| 5536554 | Reinforcing fabric for power transmission belts A reinforcing fabric for reinforcing power transmission belts is comprised of a first fibrous web having minimal warp yarns and filler yarns oriented at a desired right lead. A second fibrous web is provided which has minimal warp yarns and filler yarns o... | 07/16/1996 |
| 5362281 | Toothed power transmission belt with fabric reinforcement A toothed belt with a plurality of teeth along one surface of the belt which surface includes a peripheral wear-resistant fabric that is double woven with two sets of warp yarns and two sets of weft yarns that are tied together in a single layer.... | 11/08/1994 |
| 5219505 | Method to make an endless, flat, flexible belt of pourable plastics A method and an apparatus for making an endless, flat, flexible belt of pourable plastics include a core, especially a multiple core, as tension bearer, for example in a conveyor belt of polyurethane. Spaced apart support filaments extending transversely ... | 06/15/1993 |
| 5164241 | Transport belt The invention relates to a transport belt consisting of a fabric-reinforced plastic sheet material having a textile reinforcing layer which extend in the longitudinal direction and is formed from interlaced warp and weft threads. To obtain good overall st... | 11/17/1992 |
| 5030176 | Single ply polyester fabric and belt comprising the same A single ply polyester fabric of straight warp construction having at least 200 ends per inch of 1000 denier multifilament yarn in the warp direction and at least 18 picks per inch of 0.4 mm, monofilament yarn in the weft direction with a warp crimp of le... | 07/09/1991 |
| 5015220 | Seam for work fabric and method of manufacture thereof An endless work fabric having a loop seam construction and a method of manufacture thereof is disclosed, wherein the fabric is used as a papermaker felt, a papermaker dryer fabric, a forming wire, or filter fabric. An endless belt formed of a preselected ... | 05/14/1991 |
| 4990125 | Flat belt, belt drive, and method A flat type power transmission belt with an embedded tensile member of first and second plies of yarns where a first layer of yarns is disposed at a first helical angle and a second layer of yarns is disposed at an opposite helical angle. A method for mak... | 02/05/1991 |
| 4778437 | Heavy duty V belt A V-type power transmission belt incorporating one or more monofilament layers transverse of and directly below the tensile members to provide transverse stiffness to the belt construction. The monofilaments are directly bonded to the rubber body of the c... | 10/18/1988 |
| 4776828 | Power transmission belt A toothed power transmission belt (10) is manufactured by an improved method to have substantially improved resistance to tooth root face cracking. The manufacture utilizes a modified rubber blend forming the teeth (15) and may utilize the same blend for ... | 10/11/1988 |
| 4721498 | Endless elastomeric drive belt An endless elastomeric or rubber drive belt includes a body having a mid-circumferential plane and first, second and third ply portions of reinforcement therein. The first ply portion has first cable means oriented substantially parallel to the mid-circum... | 01/26/1988 |
| 4708702 | V-belt of controlled extensibility and relative transmission A V-belt (1) comprising at least three layers (2, 3, 4) of elastomeric material embedding discontinuous fibers (5, 6, 7); one of the layers (2) comprises fibers (5) directed transversally to the belt longitudinal direction and the two remaining layers (3,... | 11/24/1987 |
| 4688615 | Reinforcing structure for a rubber article A reinforcing structure for a rubber article includes a first annular ply disposed in the article. The first ply has a cord construction and includes a plurality of parallel cords which are disposed at an angle with respect to the midcircumferential cente... | 08/25/1987 |
| 4657526 | V-belt V-belt of flexible polymeric material, in particular elastomeric material, comprising at least in the portion whose ends are destined to contact the pulley a plurality of layers, each one having fibers oriented in a single direction. The layers are altern... | 04/14/1987 |
| 4642080 | Power transmission belt A power transmission belt for transmitting high loads having an elastomeric looped flat belt portion having a longitudinally extending tensile cord and defining an outer surface and an inner surface, and a plurality of longitudinally extending spaced bloc... | 02/10/1987 |
| 4555241 | Reinforced drive belt structure A V-belt 10, 110, 210, 310, 410, 510, 610, 710, and 810 having a rubber body 111, 211, 311, 411, 511, 611, 711 and 811 defining an upper surface 12, 112, 212, 312, 412, 512, 612, 712 and 812 and a lower surface 13, 113, 213, 313, 413, 513, 613, 713 and 81... | 11/26/1985 |
| 4553473 | Valve actuating mechanism for engines A DOHC engine of the V-type has two cylinder heads each detachably secured to a cylinder block. A crank shaft on the block drives two intermediate shafts, one on each cylinder head, by means of an endless flexible element. An additional flexible endless e... | 11/19/1985 |
| 4534750 | Automotive V-belt An automotive V-belt used for power transmission to drive accessory units to an automotive internal combustion engine. Surface smoothing agent such as wax is dispersed in the inner material of the belt for reducing attachment of dust to the belt surface.... | 08/13/1985 |
| 4526637 | Method of making conveyor belt A flat belting includes a plurality of individual layers of fabric that extend throughout the length and width of the belting. The layers are joined together by reinforcing elements which extend substantially in the direction of the thickness of the belti... | 07/02/1985 |
| 4522614 | Automatic tension maintaining transmission belt An automatic tension maintaining power transmission belt, a method of making the same and a method for maintaining tension in a rubber belt transmission. The belt is made by embedding polyester fiber cord employing a polyester of high relative viscosity a... | 06/11/1985 |
| 4518376 | Power transmission belt manufacture A power transmission belt manufacture wherein a modified rubber blend is utilized as at least one portion of the belt, with the blend including a silane coupling agent, silica and carbon black. The blend is advantageously adapted for use as the cushion ru... | 05/21/1985 |
| 4457743 | Power transmission belt A power transmission belt which is substantially V-shaped in cross-section has insert members which are resistant to transverse compression embedded in an elastomeric or plastomeric body. Protective layers of elastomer or plastomer having oriented fibers ... | 07/03/1984 |
| 4434019 | Method of making a polymeric strip and a power transmission belt A strip of material adapted for use in a power transmission belt construction, method of making such strip, and belt construction and method of making same employing the strip are provided wherein such strip comprises an uncured polymeric matrix material ... | 02/28/1984 |
| 4305714 | Heavy duty laminated cogged belt A heavy duty, raw edge, laminated cogged belt is provided, together with a method for making such a belt. The belt has an inner compression section, an outer tension section and a load-carrying section therebetween. The compression section comprises a fir... | 12/15/1981 |
| 4151755 | Power transmission belt An endless power transmission belt having a reinforcing and tension member, such as a cord or cloth strip, and lateral stiffening means comprising perforated hollow members are incorporated into an elastomer body. Such belt is especially adaptable for tra... | 05/01/1979 |
| 4083261 | Endless power transmission belt An endless power transmission belt is provided and comprises a tension section, a compression section, and a load-carrying means bonded between the sections with at least one of the sections having at least one laminated layer and with the laminated layer... | 04/11/1978 |
| 4050322 | Belting Belting having a layer of covering material and a compression resistant longitudinal reinforcement structure the belting being formed with a joint region at which ends of the reinforcement structure are in end-to-end relationship with a layer of jointing ... | 09/27/1977 |
| 4022070 | Endless power transmission belt An endless power transmission belt body and a banded belt employing a plurality of such bodies are provided wherein each belt body comprises a tension section, a compression section, a continuous longitudinally extending load-carrying cord disposed betwee... | 05/10/1977 |
| 4004467 | Conveyor belting Conveyor belting which is made substantially rigid in a transverse direction by means of at least two spaced-apart layers of high modulus transverse elements one layer either side of a core of compounded material having an average hardness of at least 75 ... | 01/25/1977 |
| 3996813 | Endless power transmission belt An endless power transmission belt for operation in an endless path is provided and comprises a plurality of laterally spaced belt elements and a tie band interconnecting the belt elements. The tie band comprises a plurality of cooperating layers with one... | 12/14/1976 |
| 3987684 | Endless power transmission belt structure A trapezoidal endless power transmission belt structure is provided which is made primarily of elastomeric material and has a pair of oppositely arranged surfaces disposed in spaced relation to define an outside and inside surface of the belt structure an... | 10/26/1976 |
| 3973670 | Conveyor belt A conveyor belt with continuous longitudinal reinforcement strands has a mechanical transverse barrier to prevent longitudinal ripping slitting or tearing. The mechanical transverse barrier is a fabric with warp and weft threads embedded in a cover layer ... | 08/10/1976 |
| 3968703 | Endless power transmission belt An endless power transmission belt made primarily of elastomeric materials is provided and comprises a tension section, load-carrying means, and a compression section with at least one of the sections having a plurality of stiffening members extending the... | 07/13/1976 |
