Title:
DRAINAGE TRAP
Document Type and Number:
Japanese Patent JP2004226361
Kind Code:
A
Abstract:
To provide a drainage trap which can prevent the overlapping of a welded part of a float valve onto a valve seat, thereby exhibiting stable sealing property and preventing the contamination of a floor space due to the air from drainage piping.
The drainage trap comprises a float housing 1 into which waste water flows, a float valve 2 arranged in the float housing 1 and a valve seat 3 on which the float valve 2 seats, wherein the float valve 2 is formed of a hollow metal ball obtaining by joining a pair of hemispherical bodies 2a and 2b and the one hemispherical body 2b is formed to be thicker than the other hemispherical body 2a.
Inventors:
OOYANAI KIYOHIRO
KAWAI MICHIHARU
NAKAMURA HIROSHI
FUKUMOTO KAZUTO
KAWAI MICHIHARU
NAKAMURA HIROSHI
FUKUMOTO KAZUTO
Application Number:
JP2003017438A
Publication Date:
August 12, 2004
Filing Date:
January 27, 2003
Export Citation:
Assignee:
UTSUE VALVE SERVICE KK
International Classes:
G21D1/00; F16K24/00; (IPC1-7): G21D1/00; F16K24/00
Attorney, Agent or Firm:
Osamu Mori
Kiyoaki Hayashi
Kiyoaki Hayashi
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