Method for examining quality of adhesion in vulcanized rubber-adhesively bonded metal part
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United States of America Patent
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Nov 20, 1990
Grant Date -
N/A
app pub date -
Aug 1, 1989
filing date -
Nov 25, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a method for examining the quality of adhesion in a vulcanized rubber-adhesively bonded metal part made by adhesively bonding a rubber member to a metal with an adhesive for rubber applied thereon in a vulcanization-forming or molding, a small rubber test piece is previously vulcanization-formed or molded together with the rubber member onto a portion of the metal surface other than the bonded joint of the rubber member, and the small rubber test piece is teared off from the metal surface, thereby discriminating the part whether the adhesion is good or bad.
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