Method and apparatus for the manufacture of a ball of foam material with embossed surface
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United States of America Patent
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-
Jan 26, 1982
Grant Date -
N/A
app pub date -
Mar 14, 1980
filing date -
Mar 17, 1979
priority date (Note) -
Expired
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Abstract
Method and apparatus for the manufacture of a ball of foam material with an embossed surface pattern corresponding to the surface marking of a leather ball, which includes marking the surface of the ball in a single operation by simultaneously applying a set of heated embossing tools.
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