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Patent Searching and Data


Title:
OUTER SHELL MEMBER FOR ACCUMULATOR, MANUFACTURING METHOD THEREFOR, ACCUMULATOR, AND MANUFACTURNG METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2019/189375
Kind Code:
A1
Abstract:
An outer shell member (10) constituting an accumulator (100) comprising: a cover member (30); the outer shell member (10), which has a tubular section (11), an opening section (13) formed at one end of the tubular section (11) and welded to the cover member (30), and a closure section (12) formed at the other end of the tubular section (11); and a pressure accumulation component (70) housed in the outer shell member (10). The tubular section (11) has an upper end portion (11a), and a flared portion (11c) having the opening section (13), and the wall thickness of the flared portion (11c) is thicker than the wall thickness of the upper end portion (11a).

Inventors:
MIZUKAMI, Hiroshi (3-10, Fukuura, Kanazawa-ku, Yokohama-sh, Kanagawa 04, 〒2360004, JP)
NAKANO, Naohito (3-10, Fukuura, Kanazawa-ku, Yokohama-sh, Kanagawa 04, 〒2360004, JP)
SAITO, Mieko (3-10, Fukuura, Kanazawa-ku, Yokohama-sh, Kanagawa 04, 〒2360004, JP)
Application Number:
JP2019/013222
Publication Date:
October 03, 2019
Filing Date:
March 27, 2019
Export Citation:
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Assignee:
NHK SPRING CO., LTD. (3-10, Fukuura Kanazawa-ku, Yokohama-sh, Kanagawa 04, 〒2360004, JP)
International Classes:
F15B1/04; B21D22/20; B23K15/00; B23K26/21; F15B1/10
Domestic Patent References:
WO2017045739A12017-03-23
Foreign References:
JPH0569035A1993-03-23
JPH0824972A1996-01-30
JP2015074000A2015-04-20
JP2007278346A2007-10-25
Attorney, Agent or Firm:
SEISHIN IP PATENT FIRM, P.C. (Mita 43MT Building 13th Floor, 13-16 Mita 3-Chome, Minato-k, Tokyo 73, 〒1080073, JP)
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