Title:
液圧シリンダ、シリンダ装置、作業車両、及び液圧シリンダ製造方法
Document Type and Number:
Japanese Patent JP6521050
Kind Code:
B2
Abstract:
Provided is a hydraulic cylinder using oil pressure, etc., the hydraulic cylinder being configured so that the thickness of a head cover, etc. is reduced so that the hydraulic cylinder is lighter and has a small overall length. A head cover (3) which constitutes an end of a cylinder (1) and a cylinder tube (2) which constitutes the cylindrical portion of the cylinder (1) are welded together by a laser beam applied from the outside radially of the cylinder tube (2) toward the inside radially of the cylinder tube (2).
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Inventors:
Koji Yamamoto
Hiroki Mizobuchi
Hiroki Mizobuchi
Application Number:
JP2017500503A
Publication Date:
May 29, 2019
Filing Date:
February 10, 2016
Export Citation:
Assignee:
Tadano Co., Ltd.
International Classes:
F15B15/14; B23K26/21; B23K26/348; B66C23/42; F16J10/00
Domestic Patent References:
| JP2002257238A | ||||
| JP2004340874A | ||||
| JP2014114134A | ||||
| JP2006224130A | ||||
| JP59001492U | ||||
| JP2007268609A | ||||
| JP6026570A | ||||
| JP6106235A |
Foreign References:
| DE202012008320U1 | ||||
| DE102007004666A1 | ||||
| WO2016098619A1 |
Attorney, Agent or Firm:
Koichi Washida