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Patent Searching and Data


Title:
PRESS MOLDING METHOD
Document Type and Number:
WIPO Patent Application WO/2020/195591
Kind Code:
A1
Abstract:
Provided is a press molding method in which a plate material (10) is molded into a target molded body (12) including a ridge section (14), said method including: a first step for molding an intermediate molded body (42); and a second step for forming the target molded body (12) from the intermediate molded body (42). The target molded body (12) and the intermediate molded body (42) have coincident regions (46a, 46b) where the cross-sectional shapes coincide on both sides of an intermediate ridge section (44c), and an intermediate region (44) where the cross-sectional shapes do not coincide. The intermediate region (44) includes: an outer region (44b) in which the intermediate molded body (42) protrudes outward of an edge radius with respect to the target molded body (12); and an inner region (44a) in which the intermediate molded body (42) is curved inward of the edge radius with respect to the target molded body (12).

Inventors:
AKIBA HIROKATSU (JP)
SANO TAKESHI (JP)
MATSUTANI KENJI (JP)
KANO TAKAYUKI (JP)
Application Number:
PCT/JP2020/008793
Publication Date:
October 01, 2020
Filing Date:
March 03, 2020
Export Citation:
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Assignee:
HONDA MOTOR CO LTD (JP)
International Classes:
B21D22/26; B21D24/00
Domestic Patent References:
WO2016087014A12016-06-09
WO2008047764A12008-04-24
WO2019102972A12019-05-31
Foreign References:
JP2017030038A2017-02-09
DE102011115219A12013-03-28
Attorney, Agent or Firm:
CHIBA Yoshihiro et al. (JP)
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