Title:
開閉弁及び開閉弁を有する打込機
Document Type and Number:
Japanese Patent JP4165295
Kind Code:
B2
Abstract:
An on-off valve has a cylindrical bush through which a fluid is passed, a hole communicating an interior of the cylindrical bush with an atmosphere, an on/off operator which slides along an outer periphery of the cylindrical bush in an axial direction to open and close the hole and a stopper elastic body which is served to position the on/off operator.
Inventors:
Yoshinori Ishizawa
Masao Hamada
Akira Ohno
Masao Hamada
Akira Ohno
Application Number:
JP2003148442A
Publication Date:
October 15, 2008
Filing Date:
May 26, 2003
Export Citation:
Assignee:
Hitachi Koki Co., Ltd.
International Classes:
F16K3/24; B25C1/04; F16K35/04
Domestic Patent References:
| JP51007347U | ||||
| JP57036865Y1 | ||||
| JP61002862Y1 | ||||
| JP2002331470A | ||||
| JP2001208221A | ||||
| JP9131669A | ||||
| JP58185673U | ||||
| JP2003042182A | ||||
| JP2003159664A | ||||
| JP9141571A | ||||
| JP60172675U | ||||
| JP6126651A | ||||
| JP3068782U | ||||
| JP10138165A | ||||
| JP9236186A |
Foreign References:
| US5131579 | ||||
| US3653299 |