Method of manufacturing a seal for a roller bearing
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United States of America Patent
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Apr 8, 1997
Grant Date -
N/A
app pub date -
Aug 29, 1994
filing date -
Sep 16, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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