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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Zusammenfassung: | 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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