Method of integrated molding by use of silicone rubber
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United States of America Patent
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Dec 21, 1999
Grant Date -
N/A
app pub date -
Aug 1, 1997
filing date -
Dec 5, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of an integrated molding by integrally pressurizing and compressing by use of means of an upper mold and a lower mold, by use of a silicone rubber. A silicone rubber has excellent resiliency, thermal resistance, separating ability from the molds and the like. By use of a silicone rubber, a working efficiency for carrying out the integrated molding can be improved and a compressing timing can be easily taken. A method according to the invention comprises steps of: uniformly coating a mixture of a foamed urethane body on a silicone rubber horizontally held; and integrally pressurizing and compressing for a certain period by an upper mold and a lower mold. The step of uniformly coating the mixture is carried out by using a spraying technique. The silicone rubber can be attached on an inner surface of the lower mold by use of means of vacuum suction. By use of a silicone rubber: a working efficiency can be improved; a running cost can be reduced; a pressurizing timing is easily taken; and a deeply pressed shape can be molded.
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