Method for producing foam mold
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United States of America Patent
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-
Dec 10, 1991
Grant Date -
N/A
app pub date -
May 17, 1990
filing date -
Sep 26, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for manufacturing a foam product in which a skin material and a core material having at least one opening are set on upper molding die and lower molding die, respectively, and a foaming resin material is then poured between the skin material and the core material to integrally mold them. A recess is formed on the portion of the upper molding die that corresponds to the opening of the core material. The opening of the core material is covered by an air permeable seal member adhered to the core material. The foaming resin material is then poured in a cavity defined between the molding dies.
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