Coated products for use in harsh environs

Details Coated products for use in harsh environs Coated products for use in harsh environs

1990-09-05

1991-12-24

Eley, Timothy V.

Metal working

Method of mechanical manufacture

Process for making bearing or component thereof

29898067, 2989812, 2989813, B21D 5310

Patent

active

050740407

ABSTRACT:
A product for use in a power train such as a bearing assembly, a reducer, a coupling or the like and which is suitable for use in a wet or harsh chemical environment including a housing, exterior surfaces of the housing having tough, durable coatings of fluorocarbon polymers to render same resistant to corrosion or chemical attack during usage in the food and chemical industry, and the method of making the same. A first polymer is present in a thickness of from about 0.5 to about 0.8 mill and exhibits theremoset characteristics for bonding to the housing. A second polymer is applied over the first polymer on all exterior surfaces to be protected in a thickness of up to about 4.0 mils and is bondable to said first polymer coating.

REFERENCES:
patent: 3940518 (1976-02-01), Bowler, Jr. et al.
patent: 4189194 (1980-02-01), Davies
patent: 4208472 (1980-06-01), Cho et al.
patent: 4436772 (1984-03-01), Yamabe et al.
Bonded Coatings Lubricate Metal Parts, Alfred DiSapio, Product Engineering, Sep. 5, 1960.

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