STRINGING-PREVENTING SPRUE BUSH AND NOZZLE OF INJECTION MOLDING APPARATUS

STRINGING-PREVENTING SPRUE BUSH AND NOZZLE OF INJECTION MOLDING APPARATUS

PROBLEM TO BE SOLVED: To prevent stringing of a molten resin in the injection molding of a plastic. SOLUTION: A circular recess is provided in the resin injecting port of a sprue bush and a flat part is provided at the nozzle tip of the molding apparatus, and thus by generating a solidified portion...

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1. Verfasser: TAKEMOTO MICHINORI
Format: Patent
Sprache:eng
Schlagworte:
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 TAKEMOTO MICHINORI
description PROBLEM TO BE SOLVED: To prevent stringing of a molten resin in the injection molding of a plastic. SOLUTION: A circular recess is provided in the resin injecting port of a sprue bush and a flat part is provided at the nozzle tip of the molding apparatus, and thus by generating a solidified portion of the resin the stringing is prevented. COPYRIGHT: (C)2004,JPO&NCIPI
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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 STRINGING-PREVENTING SPRUE BUSH AND NOZZLE OF INJECTION MOLDING APPARATUS
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