Title:
SUCK BACK VALVE
Document Type and Number:
Japanese Patent JP3940855
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent a liquid drip caused by vibration.
SOLUTION: A suck back valve 20 has a first buffer mechanism 30 absorbing kinetic energy of a first diaphragm 56 in the case that it is seated in a seating part 59 to close a fluid passage 38 and a second buffer mechanism 32 absorbing kinetic energy of a second displacement member 102 in the case that it is brought into contact with a stopper 81.
Inventors:
Yoshihiro Fukano
Tetsuro Maruyama
Tetsuro Maruyama
Application Number:
JP12430897A
Publication Date:
July 04, 2007
Filing Date:
May 14, 1997
Export Citation:
Assignee:
SMC Corporation
International Classes:
F16K23/00; F16K31/124; F16K31/122; F16K47/02; B05C11/10; (IPC1-7): F16K31/124; F16K47/02
Domestic Patent References:
| JP46017454B1 | ||||
| JP1242883A | ||||
| JP3115267U | ||||
| JP54045220Y1 | ||||
| JP5012857U | ||||
| JP5009074Y2 | ||||
| JP6201065A | ||||
| JP3114565A | ||||
| JP55020911A | ||||
| JP8010399Y2 | ||||
| JP5074636U | ||||
| JP6043436U | ||||
| JP6025680U | ||||
| JP53007731U |
Attorney, Agent or Firm:
Takehiro Chiba
Tatsuhiko Sato
Tatsuhiko Sato
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