Endless power transmission belt
AssigneeDayco Corporation
InventorGerald C. Hollaway, Jr.
Life of this patent
Estimating the term…
Abstract
An elastomeric endless power transmission belt is provided and has a tension section, a compression section, a load-carrying section, and may include one or more platform sections wherein at least one of the belt sections is made of a rubber matrix having a plurality of discrete aramid fibers embedded therein with the fibers having a comparatively high aspect ratio and being tenaciously bonded in position.
Claims20
An elastomeric endless power transmission belt for operation in an endless path comprising, a tension section, a compression section, and a load-carrying section, at least one of said sections being made of a rubber matrix having a plurality of discrete aramid fibers embedded therein, said fibers being tenaciously bonded in position employing an adhesive bonding system comprised of (1 - 2.5) phr resorcinol formaldehyde resin -- (20 - 40) phr precipitated hydrated silica -- (2 - 6) phr melamine resin, each of said fibers having an aspect ratio ranging between 100 and 2,000 which provides a substantial surface area and helps provide said tenacious bond.
An elastomeric endless power transmission belt for operation in an endless path comprising, a tension section, a compression section, and a load-carrying section, at least one of said sections being made of a rubber matrix having a plurality of discrete aramid fibers embedded therein, said fibers being tenaciously bonded in position employing an adhesive bonding system comprised of (1 - 2.5) phr resorcinol formaldehyde resin -- (20 - 40) phr precipitated hydrated silica -- (2 - 6) phr melamine resin, each of said fibers having an aspect ratio ranging between 100 and 2,000 which provides a substantial surface area and helps provide said tenacious bond, said fibers in said one section comprising between 5 and 50 parts by weight of rubber matrix.
Dependencies are inferred from the claim text.