Title:
METHOD FOR PRODUCING PISTON ASSEMBLY AND HYDRAULIC FLUID DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/030012
Kind Code:
A1
Abstract:
A hydraulic fluid cylinder (10A) is equipped with a cylinder tube (12), a piston unit (18), and a piston rod (20). The piston unit (18) has a piston body (38) comprising a plurality of members and provided with a gasket-mounting groove (36). The piston body (38) has a first piston member (40) and a second piston member (42) which are layered in the axial direction. The gasket-mounting groove (36) is formed from a combination of at least two members. A thin section (46) exhibiting depth in the axial direction is provided in the first piston member (40) and/or the second piston member (42).
Inventors:
ODAKA TSUKASA (JP)
Application Number:
PCT/JP2017/023524
Publication Date:
February 15, 2018
Filing Date:
June 27, 2017
Export Citation:
Assignee:
SMC CORP (JP)
International Classes:
F15B15/14
Foreign References:
| JP2011185343A | 2011-09-22 | |||
| JPS5434892U | 1979-03-07 |
Attorney, Agent or Firm:
CHIBA Yoshihiro et al. (JP)
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