Method for manufacturing heat-curable resin molded product

Method for manufacturing heat-curable resin molded product

When molding of a heat-curable resin such as unsaturated polyester resin and the like is conducted by means of the casting method, concavities in the molded product generated as a result of the curing shrinkage of this resin are prevented. A central core member comprising ABS resin or the like is di...

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Hauptverfasser: KINPARA SHIGERU, SUZUKI SENJI, OSUMI HISAYOSHI, SATO YOSHIYUKI
Format: Patent
Sprache:eng
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AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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creator KINPARA SHIGERU
SUZUKI SENJI
OSUMI HISAYOSHI
SATO YOSHIYUKI
description When molding of a heat-curable resin such as unsaturated polyester resin and the like is conducted by means of the casting method, concavities in the molded product generated as a result of the curing shrinkage of this resin are prevented. A central core member comprising ABS resin or the like is disposed in advance within mold, a heat-curable resin liquid is injected thereinto, and heated, and at this time, an amount of expansion in the volume of central core member is caused which corresponds to the amount of volume shrinkage resulting from curing of the heat-curable resin, and the expansion of the central core member is synchronized with the curing shrinkage of the heat-curable resin.
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subjects AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
title Method for manufacturing heat-curable resin molded product
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