Self-lubricating polyacetal wear part

Details Self-lubricating polyacetal wear part Self-lubricating polyacetal wear part

1991-03-06

1992-04-21

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524425, 524445, 524451, C08K 511

Patent

active

051068966

ABSTRACT:
A self-lubricating wear part is formed of a polyacetal resin composition that includes (A) a polyacetal base resin, (B) an inorganic powder having an average particle diameter of 50 micometers or less, and a particle diameter distribution such that at least 95 percent of the particles have a diameter of 100 micrometers or less and (C) a fatty acid ester. The wear parts are particularly useful for slidable parts such as guide roller or guide pole.

REFERENCES:
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patent: 4274986 (1981-06-01), Ikenaga et al.
patent: 4526921 (1985-07-01), Sakurai et al.
patent: 4559380 (1985-12-01), Kasuga et al.
patent: 4647609 (1987-03-01), O'Brien
patent: 4649179 (1987-03-01), Takagaki
patent: 4874807 (1989-10-01), Endo et al.
patent: 4879331 (1989-11-01), Endo et al.
Katz et al.; Handbook of Fillers and Reinforcements for Plastics; Van Nostrand Reinhold Co.; 1978; pp. 85, 86, 123, 139, 143, 145, 147, 148, 166.
Patent Abstracts of Japan, vol. 9, No. 247 (C-307) (1970) Oct. 3, 1985 & JP-A-60-104152 (Mitsubishi Gas Kagaku KK) Jun. 6, 1985.

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