Title:
ACCUMULATOR
Document Type and Number:
WIPO Patent Application WO/2003/064862
Kind Code:
A1
Abstract:
An accumulator (1) comprising a housing (2) constructed by welding a piping connection member (7) to the end plate part (9) closing one axial direction, characterized in that a fitting hole of the piping connection member at the end plate part comprises a straight pipe part (11) formed by burring or curling. Lowering of strength at a welded part can be suppressed without causing any weight increase.
Inventors:
UMETSU CHIHARU (JP)
MIZUKAMI HIROSHI (JP)
YAMADA KOICHIRO (JP)
MIZUKAMI HIROSHI (JP)
YAMADA KOICHIRO (JP)
Application Number:
PCT/JP2002/000768
Publication Date:
August 07, 2003
Filing Date:
January 31, 2002
Export Citation:
Assignee:
NHK SPRING CO LTD (JP)
UMETSU CHIHARU (JP)
MIZUKAMI HIROSHI (JP)
YAMADA KOICHIRO (JP)
OZAKI KATSUHIKO (JP)
UMETSU CHIHARU (JP)
MIZUKAMI HIROSHI (JP)
YAMADA KOICHIRO (JP)
OZAKI KATSUHIKO (JP)
International Classes:
F15B1/22; (IPC1-7): F15B1/22
Foreign References:
| JP2001336502A | 2001-12-07 | |||
| JP2001116002A | 2001-04-27 | |||
| JPH064403U | 1994-01-21 |
Attorney, Agent or Firm:
Oshima, Yoichi (Kitagawa Bldg. 6-42, Kagurazak, Shinjuku-ku Tokyo, JP)
Download PDF: