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Patent Searching and Data


Title:
MANUFACTURING DEVICE AND MANUFACTURING METHOD FOR DEEP-DRAWN ARTICLE
Document Type and Number:
WIPO Patent Application WO/2022/163873
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a wrinkle elimination plate that significantly reduces costs while also maintaining fabrication precision. The present specification sets forth a wrinkle elimination plate 3 that is used in a press for forming a material 4 to be processed into a deep-drawn article having a required shape by means of press forming using a pair of dies consisting of a first die 100 having a cavity 1 provided therein and a second die 200 having a core 2 provided thereto, said wrinkle elimination plate 3 being composed of a plurality of wrinkle elimination plate pieces 31, 32, 33, 34 having arms extending in two directions along the outer peripheries of the respective corner parts of the opposing surfaces of the cavity 1 and the core 2, and being positioned at the corner parts to be deep-drawn.

Inventors:
SAITO Tomoaki (JP)
SHUTO Yasushi (JP)
Application Number:
PCT/JP2022/017338
Publication Date:
August 04, 2022
Filing Date:
April 08, 2022
Export Citation:
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Assignee:
THE MOT COMPANY, LTD. (JP)
International Classes:
B21D24/00; B21D24/04; B29C43/32; B29C70/46
Attorney, Agent or Firm:
KAMIMURA Yoichiro (JP)
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