Title:
Check valve
Document Type and Number:
Japanese Patent JP6338996
Kind Code:
B2
Abstract:
An embodiment provides a check valve including a valve case, a positive pressure valve having a resin ring sealing member, and a resin negative pressure valve. The positive pressure valve and the negative pressure valve are disposed in the valve case. The positive pressure valve includes a first mount surface and a second mount surface disposed on an inner diameter side of the first mount surface. In the valve case, a presser cap is mounted on the positive pressure valve so as to sandwich the ring sealing member and the negative pressure valve with the first mount surface and the second mount surface of the positive pressure valve.
Inventors:
Hiroharu Yamaguchi
Application Number:
JP2014209261A
Publication Date:
June 06, 2018
Filing Date:
October 10, 2014
Export Citation:
Assignee:
Piolux Co., Ltd.
International Classes:
F16K24/00; B60K15/035; F02M37/00; F16K15/08; F16K15/14; F16K17/196
Domestic Patent References:
| JP2003240144A | ||||
| JP58014560U | ||||
| JP56131067U | ||||
| JP9310772A |
Foreign References:
| US4805663 | ||||
| US3047235 |
Attorney, Agent or Firm:
Shigeru Matsui