Synthetic clay
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United States of America Patent
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Jun 25, 1991
Grant Date -
N/A
app pub date -
Jan 17, 1989
filing date -
Jan 17, 1989
priority date (Note) -
Expired
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Abstract
A nontacky, shock absorbing rubber composition suitable for replacing the natural clay used in horseshoe pits to absorb the energy of a thrown horseshoe, said composition comprising butyl rubber, crosslinked butyl rubber, cellulose fibre, particulate filler and plasticizer.
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