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Patent Searching and Data


Title:
MANUFACTURING METHOD FOR CYLINDER DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/106924
Kind Code:
A1
Abstract:
Provided is a manufacturing method for a cylinder device that includes a cylinder, a piston, a piston rod, a seal member, and a mounting member. The manufacturing method includes: a welding step (S11) for fixing the mounting member to the cylinder by electrical resistance welding; a demagnetizing step (S20) for demagnetizing at least an opening of the cylinder; and an assembling step (S22) for assembling the piston, the piston rod, and the seal member, such assembly performed inside of the cylinder via the opening.

Inventors:
KASHINA Mitsunobu (2520, Takaba, Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
TSUBURAYA Yoshimi (2520, Takaba, Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
Application Number:
JP2018/035396
Publication Date:
June 06, 2019
Filing Date:
September 25, 2018
Export Citation:
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Assignee:
HITACHI AUTOMOTIVE SYSTEMS, LTD. (2520, Takaba Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
International Classes:
F16F9/32; B23K11/00; F16F9/54; H01F13/00
Foreign References:
JP2004332746A2004-11-25
JPS51101752A1976-09-08
JPS4915536B11974-04-16
JP2004114108A2004-04-15
JP2006275149A2006-10-12
JP2004197847A2004-07-15
JP2017096452A2017-06-01
Attorney, Agent or Firm:
SHIGA INTERNATIONAL PATENT OFFICE (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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