Bearing seal and method of manufacture

Details Bearing seal and method of manufacture Bearing seal and method of manufacture

1986-01-28

1987-04-07

Howard, Jacqueline V.

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

252 12, 252 122, 252 126, C10M14702

Patent

active

046559450

ABSTRACT:
The present invention includes a method for the manufacture of a bearing seal which includes providing a polymer and/or a filler coated with a polymer and thereafter heating the coated filler to bond the copolymer to the filler. Following cooling of the coated filler, it is pulverized and added to granular polytetrafluoroethylene. This admixture is then mixed to obtain a uniform blend and thereafter shaped by compacting and heating into a preselected form. Fillers suitable for the present invention may be carbon, metal, glass, carbide, disulfide, polymeric, polyester fluoride and ceramic fibers.

REFERENCES:
patent: 3655611 (1972-04-01), Mueller et al.
patent: 3808130 (1974-04-01), Schiefer et al.
patent: 3962373 (1976-06-01), Petrucelli

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