Method of fabricating hollow foamed-rubber member

Details Method of fabricating hollow foamed-rubber member Method of fabricating hollow foamed-rubber member

2005-03-18

2008-10-14

Tentoni, Leo B (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

C156S079000, C264S050000, C264S051000, C264S054000, C264S257000, C264S573000

Reexamination Certificate

active

07435365

ABSTRACT:
A method of making a hollow foaming member is to utilize the foaming agents with various decomposition speeds or gas issued into the rubber sheet in the die while vulcanization and foaming. As a result, the foaming member made by the method of the present invention has an air cell therein.

REFERENCES:
patent: 4071591 (1978-01-01), Kobayashi et al.
patent: 4596684 (1986-06-01), Kumasaka et al.
patent: 5667738 (1997-09-01), Krajcir

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