Multiply insole

Details Multiply insole Multiply insole

2008-04-22

2008-04-22

Kavanaugh, Ted (Department: 3728)

Boots, shoes, and leggings

Insoles

Laminated

Reexamination Certificate

active

07360325

ABSTRACT:
An insole includes a first layer made of a first slice foam material formed by a foamable polyurethane resin composition. A second layer is made of a second slice foam material formed by bonding together particles of comminuted previously formed foam material with a foamable polyurethane resin composition. The second layer is adhered to an upper surface of the first layer. The second layer has a thickness being greater than that of the first layer.

REFERENCES:
patent: 3616029 (1971-10-01), Lerman
patent: 4054706 (1977-10-01), Shapiro
patent: 4642912 (1987-02-01), Wildman et al.
patent: 4658515 (1987-04-01), Oatman
patent: 5762735 (1998-06-01), Collins et al.
patent: 6481120 (2002-11-01), Xia et al.

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