Abstract: A fiber blend is provided that includes highly fibrillated aramid fibers and is easily dispersed in a polymer matrix. Embodiments of the fiber blend include highly-fibrillated aramid fibers; non-fibrillated aramid fibers; and an anti-static agent.

Abstract: A fiber blend is provided that includes highly fibrillated aramid fibers and is easily dispersed in a polymer matrix. Embodiments of the fiber blend include highly-fibrillated aramid fibers; non-fibrillated aramid fibers; and an anti-static agent.

Abstract: A fiber blend is provided that includes highly fibrillated aramid fibers and is easily dispersed in a polymer matrix. Embodiments of the fiber blend include highly-fibrillated aramid fibers; non-fibrillated aramid fibers; and an anti-static agent.

Abstract: An endless power transmission belt construction or the like formed of material that is mainly polymeric material and a method and apparatus for forming the same are provided, the belt construction comprising a tension section, a compression section, and a load-carrying section disposed intermediate the tension section and the compression section with at least part of the material of at least one of the sections having been oriented by the force of electromagnetic field inmposed thereon.

Abstract: An endless power transmission belt construction or the like formed of material that is mainly polymeric material and a method and appartus for forming the same are provided, the belt construction comprising a tension section, a compression section, and a load-carrying section disposed intermediate the tension section and the compression section with at least part of the material of at least one of the sections having been oriented by the force of field line means imposed thereon.

Abstract: A belt pulley and method of making the same are provided, the pulley having a hub and a peripheral groove for receiving part of an endless belt therein that is to drive the pulley or be driven thereby whereby the pulley is adapted to be rotated about a longitudinal axis of the hub. The pulley has a pair of opposed facing sides defining at least part of the groove therebetween and has a pair of oppositely facing outboard sides, the sides each having an inner peripheral portion and an outer peripheral portion. The pulley has a plurality of circumferentially spaced apart and radially disposed substantially straight vanes extending outwardly from at least one of the outboard sides thereof.

Abstract: An endless power transmission V-belt construction and method of making the same are provided, the belt construction being formed mainly of polymeric material and having rounded top and bottom teeth respectively extending along the length of the top and bottom surfaces of the belt construction, the belt construction comprising a tension section having the top surface, a compression section having the bottom surface, and a load-carrying section disposed intermediate the tension section and the compression section. The bottom to top tooth pitch ratio of the belt construction, the bottom to top tooth depth ratio thereof, and the belt thickness to flex thickness ratio thereof may be varied in specific instances to optimize performance in specific uses.

Abstract: An endless power transmission belt construction or the like formed of material that is mainly polymeric material and a method and apparatus for forming the same are provided, the belt construction comprising a tension section, a compression section, and a load-carrying section disposed intermediate the tension section and the compression section with at least part of the material of at least one of the sections having been oriented by the force of field line means imposed thereon.

Abstract: A belt pulley and method of making the same are provided, the pulley having a hub and a peripheral groove for receiving part of an endless belt therein that is to drive the pulley or be driven thereby whereby the pulley is adapted to be rotated about a longitudinal axis of the hub. The pulley has a pair of opposed facing sides defining at least part of the groove therebetween and has a pair of oppositely facing outboard sides, the sides each having an inner peripheral portion and an outer peripheral portion. The pulley has a plurality of circumferentially spaced apart and radially disposed substantially straight vanes extending outwardly from at least one of the outboard sides thereof.

Abstract: An endless power transmission belt construction or the like formed of material that is mainly polymeric material and a method and apparatus for forming the same are provided, the belt construction comprising a tension section, a compression section, and a load-carrying section disposed intermediate the tension section and the compression section with at least part of the material of at least one of the sections having been oriented by the force of field line means imposed thereon.

Abstract: An endless power transmission V-belt construction and method of making the same are provided, the belt construction being formed mainly of polymeric material and having rounded top and bottom teeth respectively extending along the length of the top and bottom surfaces of the belt construction, the belt construction comprising a tension section having the top surface, a compression section having the bottom surface, and a load-carrying section disposed intermediate the tension section and the compression section. The quotient of the top width to belt thickness is approximately 2.0, the quotient of the bottom to top tooth pitch is approximately 1.40, the quotient of the bottom to top tooth depth is approximately 1.77 and the quotient of the belt thickness to flex thickness is approximately 3.98.

Abstract: A raw-edge, endless power transmission belt is provided which comprises a plurality of layers. At least one of these layers is a fabric layer; another layer is composed primarily of elastomeric material; and at least one further layer is an elastomeric material having a heat-conducting amount of a pyrolytic graphite dispersed therethrough. The pyrolytic graphite-containing elastomeric layer is disposed between any two other layers in the belt and acts to conduct heat to the outside of the belt. Also provided is a method for making this belt.

Abstract: A flexible load-carrying cord which is adapted for embedment in a polymeric product, apparatus and method for making such a cord, and product utilizing same are provided wherein the cord comprises a plurality of elements which are twisted in one direction and normally have a tendency to untwist and a polymeric sleeve is bonded around the cord with the sleeve comprising a polymeric matrix having a plurality of discrete randomly arranged fibers embedded therein with the fibers being disposed in a helical pattern which extends in a direction opposite from the one direction and the sleeve with its fibers serving to substantially eliminate the tendency of the elements to untwist.

Abstract: An endless power transmission V-belt construction and method of making the same are provided, the belt construction being formed mainly of polymeric material and having rounded top and bottom teeth respectively extending along the length of the top and bottom surfaces of the belt construction, the belt construction comprising a tension section having the top surface, a compression section having the bottom surface, and a load-carrying section disposed intermediate the tension section and the compression section. The quotient of the bottom to top tooth pitch ratio of the belt construction is approximately 1.40 and the quotient of the bottom to top tooth depth ratio thereof is approximately 1.77 while the quotient of the belt thickness to flex thickness ratio thereof is approximately 3.98.

Abstract: A pneumatic tire having a layer of heat-conducting elastomeric material between an inner carcass and tread assembly, and adjacent a heat conducting position of each sidewall, the layer and the portion dissipating heat from an internal area of the tire to external areas.

Abstract: A flexible load-carrying cord which is adapted for embedment in a polymeric product, apparatus and method for making such a cord, and product utilizing same are provided wherein the cord comprises a plurality of elements which are twisted in one direction and normally have a tendency to untwist and a polymeric sleeve is bonded around the cord with the sleeve comprising a polymeric matrix having a plurality of discrete randomly arranged fibers embedded therein with the fibers being disposed in a helical pattern which extends in a direction opposite from the one direction and the sleeve with its fibers serving to substantially eliminate the tendency of the elements to untwist.

Abstract: A synchronous belt is provided which has a plurality of angled ridges in the backing layer thereof. These ridges are oriented in a direction opposite the direction of the spirally wound tensile cord and the magnitude of the ridge angle is at least equal to the magnitude of the cord spiral angle. Also provided is a process for making this belt.

Abstract: A raw-edge, endless power transmission belt is provided which comprises a plurality of layers. At least one of these layers is a fabric layer; another layer is composed primarily of elastomeric material; and at least one further layer is an elastomeric material having a heat-conducting amount of a pyrolytic graphite dispersed therethrough. The pyrolytic graphite-containing elastomeric layer is disposed between any two other layers in the belt and acts to conduct heat to the outside of the belt. Also provided is a method for making this belt.

Abstract: An endless power transmission belt and method of making same are provided wherein such belt (which may be a toothed belt) is made primarily of polymeric material comprising a compression section having opposed sides and means for stress relief of the belt during operation thereof around associated sheaves and wherein the stress-relief means comprises a plurality of cavities extending into the compression section from each of the sides with each of the cavities defining a corresponding roughly concave surface, each concave surface has a top arcuate portion opening downwardly toward the inner surface of the belt and a bottom arcuate portion opening outwardly toward its associated side with the cavities providing stress relief by minimizing cracking tendencies in the compression section of the belt while reducing the aggressiveness of the belt during operation thereof around the sheaves.

Abstract: An endless power transmission belt 10 having reduced coefficient of friction sides 16, 17 is provided which comprises a belt body 11 having a friction-reducing layer 15 bonded thereto. The layer 15 comprises a belt body 11 having a friction-reducing layer 15 bonded thereto. The layer 15 comprises an elastomer, activated carbon and at least one friction-reducing material.