Title:
シリンダ装置の製造方法
Document Type and Number:
Japanese Patent JP6921229
Kind Code:
B2
Abstract:
A manufacturing method for a cylinder device which includes a cylinder, a piston, a piston rod, a seal member, and an installing member, the method includes: a welding step for fixing the installing member to the cylinder through electrical resistance welding; a demagnetizing step for demagnetizing at least an opening portion of the cylinder; and an assembling step for assembling the piston, the piston rod, and the seal member in the cylinder through the opening portion.
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Inventors:
Mitsuyoshi Kashina
Marutani Yoshimi
Marutani Yoshimi
Application Number:
JP2019557027A
Publication Date:
August 18, 2021
Filing Date:
September 25, 2018
Export Citation:
Assignee:
Hitachi Astemo, Ltd.
International Classes:
F16F9/32; F16F9/54
Domestic Patent References:
| JP2004332746A | ||||
| JP51101752A | ||||
| JP49015536B1 | ||||
| JP2004114108A | ||||
| JP2006275149A | ||||
| JP2004197847A | ||||
| JP2017096452A |
Attorney, Agent or Firm:
Shiga International Patent Office