Insert molding method and mold
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 30, 2003
Grant Date -
Dec 27, 2001
app pub date -
May 8, 2001
filing date -
May 22, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An insert molding method and mold has an upper mold and a lower mold disposed to oppose each other. The cavity at the upper mold side is filled with molten resin or rubber material injected through a gate to perform injection molding of the resin or rubber around an insert set at the lower mold side. A movable supporting member sets the insert, and is fitted in a recessed part formed on the upper face of the lower mold. The position of the center of gravity at the lower face of the movable supporting member is supported and pressed towards the upper mold side by the tip of a shaft of a pressing mechanism. A gap is between the side face part of the recessed part and the side face part of the movable supporting member to cause the movable supporting member to tilt about the point at which the movable supporting member is pressed and supported by the shaft inside the recessed part so that the upper face of the insert will be in uniform surface contact with the lower face of the upper mold.
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