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).
CYLINDER, CYLINDER DEVICE, AND WORKING VEHICLE
2018-01-25
Patent
Electronic Resource
English
CYLINDER FIXING DEVICE IN WORKING MACHINE AND CYLINDER FIXING METHOD IN WORKING MACHINE
European Patent Office | 2018
|European Patent Office | 2018
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