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US 6,063,321 AGranted
Method for forming a casting which includes an insert
AssigneeDenso Corporation
InventorsHiroshi Koyama, Tsutomu Onoue, Keigo Asano, Tadatsugu Nakamura, Izuru Shoji
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Abstract
An insert is held in a cavity within a die set by a movable hold member. Molten resin is injected into the cavity when the insert is held by the hold member. The hold member is separated from the insert at a given timing. A surface of the hold member is heated to a temperature higher than a temperature of an inner surface of the die set. The hold-member surface contacts the molten resin. The die-set inner surface is exposed in the cavity.
Claims6
A method of forming an insert molding, comprising the steps of:
- holding an insert in a cavity within a die set by a movable hold member;
- injecting molten resin into the cavity when the insert is held by the hold member;
- separating the hold member from the insert at a given timing;
- and
- heating a surface of the hold member to a temperature higher than a temperature of an inner surface of the die set, the hold-member surface contacting the molten resin, the die-set inner surface being exposed in the cavity.
2 more elements
Dependencies are inferred from the claim text.