Method of injection molding ultra-high molecular weight polyethy

Details Method of injection molding ultra-high molecular weight polyethy Method of injection molding ultra-high molecular weight polyethy

1993-10-18

1995-06-06

Heitbrink, Jill L.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Including use of vacuum

264102, 2643281, B29C 4534, B29C 4556

Patent

active

054220610

ABSTRACT:
The present invention relates to a sliding member formed of a synthetic resin composed mainly of a polyethylene, said sliding member comprising a molded piece of a polyethylene having a viscosity-average molecular weight of 500,000 to 6,000,000 inclusive, having a low coefficient of friction and excelling in both its own wear resistance and its property of preventing the abrasion of an associated member.

REFERENCES:
patent: 2471148 (1949-05-01), Gale
patent: 2999273 (1961-09-01), Gronemeyer et al.
patent: 4451633 (1984-05-01), Brownscombe et al.
patent: 4540534 (1985-09-01), Grendol
DatabaseWPIL, No. 84-209493(34), Derwent Publications Ltd., London, GB; & JP-A-59120423 (Nitto Electric Ind. K. K.) 12 Jul. 1984.
DatabaseWPIL, No. 84-0202508(04), Derwent Publications Ltd., London, GB; & JP.varies.A-58210929 (Nitto Electric Ind. K. K.) 8 Dec. 1983.
Patent Abstracts of Japan, vol. 9, No. 124 (M-383)[1847], 29 May 1985; & JP-A-609723(Dai Nippon Insatsu K. K.) 18 Jan. 1985.
Patent Abstracts of Japan, vol. 11, No. 289 (M-625)[2736], 18 Sep. 1987; & JP-A-6283122 (Dai Nippon Printing Co., Ltd.) 16 Apr. 1987.

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