Title:
FILTER DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/187363
Kind Code:
A1
Abstract:
Provided is a filter device which prevents a coil spring from falling off a filter body and which also makes a coil spring less likely to get tangled up. This filter device 10 is provided with: a filter body 20 which comprises a mesh member 50 and a frame body 30 having a seal part 31 at one end side and a spring support seat 33 at the other end side; a spring support member 60 which is fitted to the filter body 20 in such a manner as to be approachable to and separable from the spring support seat 33; and a coil spring 80 which is mounted between the spring support seat 33 and the spring support member 60. Between the filter body 20 and the spring support member 60, a fitting portion is provided to prevent both the filter body and the spring support member from falling off and to connect both so as to be approachable to and separable from each other by a prescribed distance.
Inventors:
MASAKI TOMOTAKA (JP)
Application Number:
PCT/JP2021/010071
Publication Date:
September 23, 2021
Filing Date:
March 12, 2021
Export Citation:
Assignee:
PIOLAX INC (JP)
International Classes:
B01D35/02; B01D29/11
Foreign References:
| JP2012189000A | 2012-10-04 | |||
| JPS631611U | 1988-01-07 | |||
| JPH0523508A | 1993-02-02 | |||
| JPH0734905U | 1995-06-27 | |||
| JPH04277003A | 1992-10-02 |
Attorney, Agent or Firm:
SATO & ASSOCIATES (JP)
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