Bowling pin with improved polymeric coating and method of making
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United States of America Patent
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Mar 7, 2000
Grant Date -
N/A
app pub date -
Aug 7, 1998
filing date -
Aug 7, 1998
priority date (Note) -
Expired
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Abstract
The outer two layers, composed of an undercoat of an ionomer and a topcoat of polyurethane, on a wooden core of a bowling pin are bonded together by use of either of a polyfunctional aziridine or polyfunctional carbodiimide providing superior adhesion under shock plus several shop advantages including lessened air pollution and ease of application.
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