Title:
CYLINDER DEVICE
Document Type and Number:
WIPO Patent Application WO/2011/135955
Kind Code:
A1
Abstract:
The disclosed cylinder device is capable of maintaining an excellent connection state, and has a tubular cylinder (11), an end member (12) disposed at the end of the cylinder (11), and a welded portion (13) fixed by welding one end of the end member (12) to the outer circumference side of the cylinder (11) which is fitted in the inner circumference of the end member (12). In the circumferential direction on the end of the cylinder (11) are provided alternately notch portions (20) and abutting portions (21) in contact with a contact portion (60) of the end member (12); the notch portions (20) form a communicating path (69) which communicates between the welding portion (13) and an inner circumference space portion (67) of the end member (12) or the cylinder (11).
Inventors:
YOSHIOKA ISAO (JP)
KIMURA NORIHISA (JP)
KAMBE KAZUYOSHI (JP)
KIMURA NORIHISA (JP)
KAMBE KAZUYOSHI (JP)
Application Number:
PCT/JP2011/057635
Publication Date:
November 03, 2011
Filing Date:
March 28, 2011
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
YOSHIOKA ISAO (JP)
KIMURA NORIHISA (JP)
KAMBE KAZUYOSHI (JP)
YOSHIOKA ISAO (JP)
KIMURA NORIHISA (JP)
KAMBE KAZUYOSHI (JP)
International Classes:
F16J10/00; B23K9/00; B23K9/028
Foreign References:
| JPH06304751A | 1994-11-01 | |||
| JPS62140206U | 1987-09-04 | |||
| JP2009191765A | 2009-08-27 | |||
| JPS62126684U | 1987-08-11 | |||
| JPS58181493A | 1983-10-24 |
Attorney, Agent or Firm:
SHIGA Masatake (JP)
Masatake Shiga (JP)
Masatake Shiga (JP)
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Claims:
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