Title:
SPRINKLER FLEXIBLE PIPING
Document Type and Number:
Japanese Patent JP2014150983
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide sprinkler flexible piping which facilitates positioning and construction, suppresses elongation at the application of pressure, can perform a pressure resistance test at production in a factory, facilitates quality management, avoids interference with a column, a wall, a ceiling or the like while keeping a piping route at the construction, and can reduce damage to fixed piping such as a water feed conduit and a sprinkler head or the like at an earthquake.SOLUTION: A sprinkler flexible piping whose one end is connected to a water feed pipe and the other end is connected to a sprinkler head is composed of: an aluminum three-layer pipe 1 having flexibility in which a synthetic resin-made inner layer 1b and a synthetic resin-made outer layer 1c are formed at the internal face side and the external face side of a cylindrical aluminum layer 1a, respectively; short-length fire protection shape holding hoses 2 connected to both ends of the aluminum three-layer pipe 1 at their base ends; a connecting metal fitting 3 arranged at a tip of one fire protection shape holding hose 2 and connected to the water feed pipe; and a head connecting metal fitting 4 arranged at a tip of the other fire protection hose 2 and connected to the sprinkler head.
Inventors:
YOKOI AKIRA
Application Number:
JP2013022963A
Publication Date:
August 25, 2014
Filing Date:
February 08, 2013
Export Citation:
Assignee:
YOKOI SEISAKUSHO KK
International Classes:
A62C35/68; F16L33/00; F16L33/22; F16L33/28
Attorney, Agent or Firm:
Sugimoto Strong
Ryuichi Yata
Ryuichi Yata