MOLD AND MANUFACTURE OF MOLDING

PROBLEM TO BE SOLVED: To make it possible to safely and efficiently release (eject) a molded plastic product from the mold in the mold used to mold the plastic product. SOLUTION: The mold comprises an ejector plate 7 for holding an ejector pin 8 for ejecting a molding 10, a knockout plate 1 movably...

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Bibliographic Details
Main Authors YAMAMOTO SUSUMU, SUGANO KENICHI, MACHIDA ISAO, OHAZAMA KIYOSHI
Format Patent
LanguageEnglish
Published 12.08.1997
Edition6
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
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Summary:PROBLEM TO BE SOLVED: To make it possible to safely and efficiently release (eject) a molded plastic product from the mold in the mold used to mold the plastic product. SOLUTION: The mold comprises an ejector plate 7 for holding an ejector pin 8 for ejecting a molding 10, a knockout plate 1 movably provided with respect to the plate 7, magnets 3, 3A for positioning the plate 1 at the operation starting position, and an impact spring 2 for pushing out the plate 1 positioned at the starting position at the time of increasing the distance between the plates 7 and 1 to collide the plate 1 with the plate 7.
Bibliography:Application Number: JP19960020933