Foamed rubber member

Details Foamed rubber member Foamed rubber member

2011-07-05

2011-07-05

Gulakowski, Randy (Department: 1766)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

C521S054000, C428S036800

Reexamination Certificate

active

07973093

ABSTRACT:
An object of the present invention is to provide a foamed rubber member which has low hardness and excellent durability. The foamed rubber member of the invention, produced through an impregnation treatment of a foamed elastic body with a treatment liquid containing an isocyanate compound and an organic solvent, the foamed elastic body being produced by foaming a base rubber, exhibits a compression set smaller than that of the foamed elastic body before undergoing the impregnation treatment, and exhibits a percent increase in stress, with respect to the stress of the foamed elastic body before undergoing the impregnation treatment, of 50% or less.

REFERENCES:
patent: 2007/0104906 (2007-05-01), Hirakawa et al.
patent: 2007/0110936 (2007-05-01), Hirakawa et al.
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patent: 07-242779 (1995-09-01), None
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patent: 2003-202722 (2003-07-01), None
patent: 2008-015008 (2008-01-01), None
patent: 2008-250064 (2008-10-01), None
patent: 2009-122505 (2009-04-01), None

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