Method and apparatus for making and/or decorating bowling balls and the like
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United States of America Patent
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Feb 25, 2003
Grant Date -
N/A
app pub date -
Nov 30, 2001
filing date -
Nov 30, 2001
priority date (Note) -
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Abstract
A method and apparatus for making and/or decorating bowling balls and the like includes flexible transfer sheets with heat-activated ink applied to at least portions thereof. A form or mold with opposite halves, which shift between open and closed positions, includes a cavity sized to closely receive therein the article to be decorated. At least one transfer sheet is positioned in the mold with the article, such that when the mold is closed, the same are captured in the mold cavity in an overlying relationship. Heat is applied to the mold to a predetermined temperature causing the article to expand through thermal expansion, which expansion is resisted by the mold to uniformly press the transfer sheet against the underlying outer surface of the article, and also causing the heat-activated ink to transfer from the transfer sheet to the outer surface of the article to form the design thereon.
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