Title:
CHECK VALVE
Document Type and Number:
Japanese Patent JP2019011820
Kind Code:
A
Abstract:
To provide a check valve capable of restricting occurrence of breakage such as tears and deformation.SOLUTION: A check valve that opens/closes an opening provided in a body for preventing the fluid which passes through the opening from back flow and that comprises: a flexible proximal 71; and a valve part 72 for opening/closing the opening and connected to the proximal 71 in a state of with surroundings surrounded by the proximal 71, having a thickness less than that of the proximal 71. The valve part 72 tightly closes the opening in a normal state where the valve part is urged in advance toward the body due to elasticity of the proximal 71 and when fluid passes through the opening in one direction, the valve part opens the opening.SELECTED DRAWING: Figure 1
More Like This:
| WO/2015/132174 | DEVICE FOR PROVIDING A CONSTANT AMOUNT OF AEROSOL |
| WO/1999/030066 | UNIVERSAL VALVE |
Inventors:
OCHIAI SHIMON
TANAKA YUICHIRO
SUGIYAMA YOSHIHITO
TANAKA YUICHIRO
SUGIYAMA YOSHIHITO
Application Number:
JP2017128898A
Publication Date:
January 24, 2019
Filing Date:
June 30, 2017
Export Citation:
Assignee:
PIGEON CORP
International Classes:
F16K15/14
Domestic Patent References:
| JPS5515495U | 1980-01-31 | |||
| JP2014147496A | 2014-08-21 | |||
| JPH01148179U | 1989-10-13 | |||
| JP2012026515A | 2012-02-09 | |||
| JPS6197473U | 1986-06-23 | |||
| JPH01141318U | 1989-09-28 | |||
| JP2016529990A | 2016-09-29 | |||
| JP2010523283A | 2010-07-15 |
Attorney, Agent or Firm:
Arai Zen
岡▲崎▼ 信太郎
Kazutaka Noguchi
Yoshino
岡▲崎▼ 信太郎
Kazutaka Noguchi
Yoshino