Title:
WRINKLE REMOVAL PLATE FOR USE IN PRESS MACHINE
Document Type and Number:
WIPO Patent Application WO/2022/034930
Kind Code:
A1
Abstract:
Provided is a wrinkle removal plate with which manufacturing accuracy can be maintained while significantly reducing costs. A wrinkle removal plate 3 for use in a press machine that molds a workpiece 4 into a drawn product having a desired shape by press molding that uses a pair of molds comprising a first mold 100 provided with a cavity 1 and a second mold 200 provided with a core 2, wherein the wrinkle removal plate 3 is positioned at corner parts, which are to be drawn, of the opposing surfaces of the cavity 1 and the core 2, and is formed from a plurality of wrinkle removal parts 31, 32, 33, 34 that each have arms extending in two directions along the outer periphery of the corner parts.
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Inventors:
SAITO TOMOAKI (JP)
SHUTO YASUSHI (JP)
SHUTO YASUSHI (JP)
Application Number:
PCT/JP2021/038234
Publication Date:
February 17, 2022
Filing Date:
October 15, 2021
Export Citation:
Assignee:
THE MOT COMPANY LTD (JP)
International Classes:
B30B15/00; B29C33/20; B29C43/34; B29C43/36
Foreign References:
| JP2013208847A | 2013-10-10 | |||
| JP6764179B1 | 2020-09-30 | |||
| JP2013000999A | 2013-01-07 | |||
| JPS63159022A | 1988-07-01 | |||
| JPS63154224A | 1988-06-27 | |||
| US6682676B1 | 2004-01-27 | |||
| JP6587771B1 | 2019-10-09 | |||
| JPH07144234A | 1995-06-06 |
Attorney, Agent or Firm:
KAMIMURA Yoichiro (JP)
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