WRINKLE-PREVENTING BOARD USED FOR PRESS DEVICE
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United States of America Patent
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Issued Date -
Dec 21, 2023
app pub date -
Oct 15, 2021
filing date -
Nov 16, 2020
priority date (Note) -
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Abstract
A wrinkle removal plate can maintain manufacturing accuracy while significantly reducing costs. A wrinkle removal plate for use in a press machine that molds a workpiece into a drawn product having a desired shape by press molding that uses a pair of molds comprising a first mold provided with a cavity and a second mold provided with a core, wherein the wrinkle removal plate is positioned at corner parts, which are to be drawn, of the opposing surfaces of the cavity and core, and is formed from a plurality of wrinkle removal parts that each have arms extending in two directions along the outer periphery of the corner parts.
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