Cylinder device

The present invention relates to the provision of a cylinder apparatus that is able to maintain a superior join condition, and has: a cylindrical cylinder (11); an end portion member (12) that is placed on the end portion side of the cylinder (11); and a weld portion (13) that fixes an outer circumf...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KIMURA NORIHISA, YOSHIOKA ISAO, KAMBE KAZUYOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR ENGINE PLANTS IN GENERAL FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MACHINE TOOLS MACHINES OR ENGINES IN GENERAL MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENTTYPE, e.g. STEAM ENGINES MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING STEAM ENGINES SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL TRANSPORTING WEAPONS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	The present invention relates to the provision of a cylinder apparatus that is able to maintain a superior join condition, and has: a cylindrical cylinder (11); an end portion member (12) that is placed on the end portion side of the cylinder (11); and a weld portion (13) that fixes an outer circumferential side of the cylinder (11), when this has been engaged with an inner circumferential side of the end portion member (12), to one end of the end portion member (12) by means of a weld, wherein abutting portions (21), which abut in the circumferential direction against a contact portion (60) of the end portion member (12) and notch portions (20) are provided alternatingly in the circumferential direction on the end portion side of the cylinder (11), and the notch portions (20) form communicating passages (69) that connect the weld portion (13) to an inner circumferential side space (67) inside the cylinder (11) or end portion member (12).