Apparatus and methods for imbedded rubber outer

Details Apparatus and methods for imbedded rubber outer Apparatus and methods for imbedded rubber outer

2002-10-10

2008-09-02

Patterson, Marie (Department: 3728)

Boots, shoes, and leggings

Soles

Laminated

C036S02500A, C036S031000

Reexamination Certificate

active

07418791

ABSTRACT:
The present invention provides apparatus and methods for imbedding a durable outer layer of rubber in a second layer of rubber, polyurethane, or like material for use in various applications, including but not limited to shoe soles and tires. As depicted in FIG., the durable outer layer, which in the case ofFIG. 4is a shoe outsole, may comprise a plurality of lugs (2) connected with integral support bridges (3) imbedded in another rubber or rubber-like material (17). Alternatively, the durable outer layer may comprise a plurality of lugs anchored in the second layer of rubber, polyurethane or the like, using anchors, such as ribs or flanges, radiating from the perimeter of each lug.

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