Title:
CONNECTING STRUCTURE FOR FIRE-EXTINGUISHING EQUIPMENT PIPING, AND SPRINKLER HEAD
Document Type and Number:
WIPO Patent Application WO/2016/170819
Kind Code:
A1
Abstract:
[Problem] The objective of the present invention is to provide a sprinkler head connecting joint and a sprinkler head with which it is possible to prevent leaks, without relying on the skill of an operator, when performing an operation to connect the sprinkler head to a water supply pipe.
[Solution] One end of a connecting joint 1 of a sprinkler head is connected to fire-extinguishing equipment piping, and the other end thereof is connected to a nozzle 22 of a sprinkler head 2. A female thread 17 which screws together with a male thread 24 provided on the outside of the nozzle 22 of the sprinkler head 2 is provided at said other end side of the connecting joint 1. A coupling portion 14 which is inserted into the nozzle 22 of the sprinkler head 2 is provided further to the inside than the female thread 17, and a seal member 15 is provided between the linking portion 14 and the nozzle 22.
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Inventors:
OHKOSHI HISAYOSHI (JP)
KON YUKIHIRO (JP)
KON YUKIHIRO (JP)
Application Number:
PCT/JP2016/053434
Publication Date:
October 27, 2016
Filing Date:
February 05, 2016
Export Citation:
Assignee:
SENJU SPRINKLER CO LTD (JP)
International Classes:
A62C35/68; A62C31/02; F16L19/03
Foreign References:
JP2009291359A | 2009-12-17 | |||
JPH1194144A | 1999-04-09 | |||
JP2013224677A | 2013-10-31 | |||
JPS6392893U | 1988-06-15 |
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