Back to results
US 6,383,622 B1Granted
Slider formed of fiber-reinforced thermoplastic resin
AssigneeYKK Corporation
InventorsAkira Ishibashi, Mamoru Tanaka, Mutsuo Hirota, Yoshifumi Miyajima
Life of this patent
Estimating the term…
Loading patent…
Loading patent…
AssigneeYKK Corporation
InventorsAkira Ishibashi, Mamoru Tanaka, Mutsuo Hirota, Yoshifumi Miyajima
Estimating the term…
A formed article of fiber-reinforced thermoplastic resin which has been adapted for use in a sliding member by restoring the wear resistance once degraded by the addition of reinforcing fibers to the normal level is disclosed. This formed article comprises a fiber-reinforced resin material of a thermoplastic resin containing reinforcing fibers and incorporating therein additionally as a sliding property-imparting agent a material having a storage elastic modulus in the range of 3.5×108 Pa to 5.0×108 Pa in a service temperature range of 30° C. to 70° C. The ratio of incorporation of the sliding property-imparting agent is properly in the range of 4 to 10% by weight when the matrix resin is a polyamide-based resin or 4 to 20% by weight when the matrix resin is a thermoplastic resin other than the polyamide-based resin, respectively based on the total weight of the resin and the reinforcing fibers.
A slide fastener, said slide fastener having a slider, said slider comprising a fiber-reinforced resin material of polyamide containing reinforcing fibers and incorporating therein additionally as a sliding property-imparting agent a material having a storage elastic modulus in the range of 3.5×108 Pa to 5.0×108 Pa in a service temperature range of 30° C. to 70° C. at a ratio of at least 4% by weight and less than 10% by weight, based on the total weight of said polyamide and said reinforcing fibers.
Dependencies are inferred from the claim text.