Title:
フィルタカートリッジ、特に内燃機関用フィルタカートリッジ
Document Type and Number:
Japanese Patent JP4043716
Kind Code:
B2
Abstract:
A filter cartridge has a tubular filter element made from a porous, flexible sheet forming an annular succession of pleats having axial ridges, in the form of vanes all curved in a same circumferential direction, each vane comprising an upper face and a lower face. The lower face and upper face of each vane has lines of least resistance forming hinges, enabling the curvature of the vanes to be better controlled.
Inventors:
Charles Ray
Application Number:
JP2000532202A
Publication Date:
February 06, 2008
Filing Date:
February 12, 1999
Export Citation:
Assignee:
Felt trout
International Classes:
B01D29/07; B01D29/21; B01D46/24; B01D46/52; F01M11/03; F02M35/024
Domestic Patent References:
| JP63046912U | ||||
| JP63094508U | ||||
| JP61121912U | ||||
| JP60024329U | ||||
| JP59044529U | ||||
| JP59006916A |
Foreign References:
| US2801009 |
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama
Shinya Mitsuhiro
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama
Shinya Mitsuhiro