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US 10,246,838 B1Granted
High impact joint and crack fillers
OwnerJames L Andrews, Anthony Gaffneyinventors
Life of this patent
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Abstract
A joint and crack filler composition may include a rubber aggregate and a binder made of a resin and a hardener. The rubber aggregate may be made from recycled tire rubber and may include a tri-blend of large shreds, small shreds, and fine pieces. The resin may be an epoxy, such as a semi-rigid liquid epoxy or a semi-rigid thixotropic epoxy.
Claims6
A joint and crack filler composition comprising:
- a rubber aggregate comprising a tri-blend aggregate comprising a mixture of large shreds of rubber, small shreds of rubber, and fine pieces of rubber;
- and
- a binder comprising a resin and a hardener,
- wherein:
- the large shreds of rubber have a length of from about ½ to about ¾ inch and a width of about 1/16 inch;
- the small shreds of rubber have a length of from about ⅛ to about ¼ inch and a width of about 1/16 inch;
- and
- the fine pieces have a US sieve size of from about 60 to 120.
5 more elements
Dependencies are inferred from the claim text.