Sports mat

Details Sports mat Sports mat

2011-07-12

2011-07-12

Sample, David R (Department: 1783)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

C428S158000, C428S156000, C428S203000, C428S204000, C428S304400, C428S316600, C428S315900, C005S417000, C005S420000

Reexamination Certificate

active

07976933

ABSTRACT:
A sports mat includes a first foam layer, a second foam layer laminated on the first foam layer and a patterned laminate bonded on the second foam layer. The first and second foam layers are both made of polyethylene foam containing material of elastic resin and have a density in the range of 2 to 8 pcf and a total thickness in the range of 2 to 8 mm. In addition, the first foam layer is embossed therebottom with a plurality of elongated ridges parallel to one another. The patterned laminate includes a first plastic film laminated to the second foam layer, a second plastic film laminated to the first plastic film, and a pattern placed in between the first and second plastic films and visible through the second plastic film. Additionally, the pattern laminate together with the second foam layer is embossed to define a plurality of concaves in an exterior surface thereof.

REFERENCES:
patent: 3016317 (1962-01-01), Brunner
patent: 4147828 (1979-04-01), Heckel et al.
patent: 4574101 (1986-03-01), Tricca et al.
patent: 4603852 (1986-08-01), Breitscheidel et al.
patent: 5562573 (1996-10-01), Harinishi
patent: 2004/0250346 (2004-12-01), Vasishth
patent: 2007/0020449 (2007-01-01), Hing
patent: 2540036 (1997-03-01), None
patent: 11266995 (1999-10-01), None
patent: M251621 (2004-12-01), None

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