Title:
SPACER, CONNECTING MECHANISM FOR VALVE MEMBER, AND CONNECTING MECHANISM FOR AIR VALVE
Document Type and Number:
Japanese Patent JP2014159823
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To prevent a valve member such as an air valve or an auxiliary valve and a pipe member from displacing or coming off even when being vibrated by an earthquake or the like, and to restrain leakage.SOLUTION: A spacer 4 includes a claw part 30 formed in a hole 28 provided at a center of a ring-shaped base plate 29. The claw part 30 projects to both sides of the base plate 29, and has a first claw part projecting to one side and a second claw part projecting to the other side. The first claw part is fitted to a lower opening of an air valve, and the second claw part is fitted to an inner surface of a rising pipe of a pipe passage. In a connecting mechanism for the air valve, the spacer 4 is arranged between a flange part of the air valve and a flange part of the rising pipe, and a bolt is inserted into an insertion thereof, and is fastened by a nut.
Inventors:
SUNAGA TOSHIO
EBINUMA MINORU
EBINUMA MINORU
Application Number:
JP2013029807A
Publication Date:
September 04, 2014
Filing Date:
February 19, 2013
Export Citation:
Assignee:
MAEZAWA KOGYO
International Classes:
F16K24/00; F16K27/00; F16L23/024; F16L23/026; F16L23/028; F16K31/18
Domestic Patent References:
| JPH07174269A | 1995-07-11 | |||
| JP3039398U | 1997-07-15 | |||
| JPS59113383A | 1984-06-30 | |||
| JP2004116786A | 2004-04-15 | |||
| JP134381C1 | ||||
| JP2011102619A | 2011-05-26 | |||
| JPS51144673U | 1976-11-20 |
Foreign References:
| US20060181081A1 | 2006-08-17 |
Attorney, Agent or Firm:
Masatake Shiga
Norio Takahashi
Takashi Watanabe
Mitsuyoshi Suzuki
Yasuhiko Murayama
Norio Takahashi
Takashi Watanabe
Mitsuyoshi Suzuki
Yasuhiko Murayama