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
ZYLINDER, ZYLINDERVORRICHTUNG UND ARBEITSFAHRZEUG
VÉRIN, DISPOSITIF DE VÉRIN, ET ENGIN DE CHANTIER
2018-11-14
Patent
Elektronische Ressource
Englisch
CYLINDER FIXING DEVICE IN WORKING MACHINE AND CYLINDER FIXING METHOD IN WORKING MACHINE
Europäisches Patentamt | 2018
|Europäisches Patentamt | 2018
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