Method of manufacturing a seal for a roller bearing

Details Method of manufacturing a seal for a roller bearing Method of manufacturing a seal for a roller bearing

1994-08-29

1997-04-08

Timm, Catherine

Plastic and nonmetallic article shaping or treating: processes

Direct application of electrical or wave energy to work

Injection molding

264494, B29C 4500

Patent

active

056184883

ABSTRACT:
The invention relates to a method of manufacturing a seal for a roller bearing, for instance a ball bearing. The seal according to the invention is formed from a thermoplastic polymer-containing material which is subsequently cross-linked under the influence of radiation, for example .beta.-radiation. This allows the use of seals manufactured according to the invention at near or even above the melting point of the non-cross-linked thermoplastic polymer being employed. Due to the invention a large number of cheap polymeric materials have become suitable for the manufacture of seals, and due to the cross-linking the swelling caused by lubricants can be reduced considerably.

REFERENCES:
patent: 3053742 (1962-09-01), Smith
patent: 3700296 (1972-10-01), Bugmann
patent: 3957278 (1976-05-01), Rabe
patent: 4049757 (1977-09-01), Kammel et al.
patent: 4191158 (1980-03-01), Curran
patent: 4296582 (1981-10-01), Simpson et al.
patent: 4677014 (1987-06-01), Bechen
patent: 4774295 (1988-09-01), Buding et al.
patent: 5086121 (1992-02-01), Hazelton et al.

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