Safety goggles having foamed-in-place face gasket
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United States of America Patent
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-
Jun 30, 1998
Grant Date -
N/A
app pub date -
May 15, 1996
filing date -
May 15, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A face gasket made of a smooth, non-tacky, low durometer, chemically resistant closed cell resin foam is attached onto a goggles frame by injecting the resin into a mold cavity containing a contoured rim portion of the goggles frame. The contoured rim portion is intersected by multiple sprue openings that permit the pressurized resin to flow through the goggles frame and around the contoured rim during molding. The contoured rim portion is embedded within the molded gasket and sprue slugs extend through and fill the openings. The sprue slugs are integrally formed with the main body of the face gasket, thereby defining attachment links that permanently connect the face gasket in splash sealing engagement around the contoured rim and along internal and external sidewall surfaces of the goggles frame.
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