Title:
PIPING STRUCTURE AND INSPECTION METHOD OF PIPING STRUCTURE
Document Type and Number:
Japanese Patent JP2018025310
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a piping structure capable of checking an insertion state of a pipe inside a joint even in a dark place, and capable of easily and surly checking that the pipe is fixed to a socket of the joint, and an inspection method of the piping structure.SOLUTION: A piping structure 50 installed in a pipe space or ceiling space inside a building has: a transparent or translucent polyvinyl chloride-based joint 51 including a socket 56; a polyvinyl chloride-based pipe 52 inserted into the socket 56 and colored; and adhesive 54 containing a light-emitting substance interposed between the socket 56 and the pipe 52 to fix the pipe 52 to the socket 56 and configured to emit fluorescent light with irradiation of ultraviolet light, and a copolymer resin of polyvinyl chloride and vinyl chloride, wherein a wavelength of the fluorescent light is within a range of 500-550 nm.SELECTED DRAWING: Figure 4
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Inventors:
HACHIMAN OSAMU
Application Number:
JP2017215053A
Publication Date:
February 15, 2018
Filing Date:
November 07, 2017
Export Citation:
Assignee:
SEKISUI CHEMICAL CO LTD
International Classes:
F16L13/10; G01N21/64
Domestic Patent References:
| JPH11101382A | 1999-04-13 | |||
| JPS6072971A | 1985-04-25 | |||
| JPH0734050A | 1995-02-03 | |||
| JP2012236917A | 2012-12-06 | |||
| JPH11201912A | 1999-07-30 | |||
| JPH07232424A | 1995-09-05 | |||
| JP2009221329A | 2009-10-01 | |||
| JP2000018471A | 2000-01-18 | |||
| JPH06249384A | 1994-09-06 | |||
| JPS6026392U | 1985-02-22 |
Foreign References:
| US20090218811A1 | 2009-09-03 |
Attorney, Agent or Firm:
Nishizawa Kazumi
Yuichiro Kawagoe
Makiko Otsuki
Hiroshi Yamaguchi
Yuichiro Kawagoe
Makiko Otsuki
Hiroshi Yamaguchi