Title:
PIPING STRUCTURE AND PIPING CONSTRUCTION METHOD
Document Type and Number:
Japanese Patent JP2018096483
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To mainly provide a piping structure which is simple and good in workability, and has high cut-off performance.SOLUTION: The present invention relates to a piping structure that has piping 2 installed over between an inner part and an outer part of a building 1. The piping structure comprises a pipe body 11 buried in the foundation 3 of the building 1, a small-diameter pipe part 12 inserted into the pipe body 11, and a cut-off material 14 provided at a gap part 13 between the pipe body 11 and small-diameter pipe part 12. The pipe body 11 is linear, and installed obliquely in the foundation 3 to be open in the ground. The small-diameter pipe part 12 is composed of piping 2 having a smaller diameter than the pipe body 11. The cut-off material 14 has a first solid cut-off material 14a provided on an outdoor side 5, and a second fluid and curable cut-off material 14b charged and cured more on an outdoor side 4 than the first solid cut-off material 14a.SELECTED DRAWING: Figure 1
Inventors:
YAMAMOTO NAOKI
SHO NORIKATSU
SHO NORIKATSU
Application Number:
JP2016242871A
Publication Date:
June 21, 2018
Filing Date:
December 15, 2016
Export Citation:
Assignee:
SEKISUI CHEMICAL CO LTD
International Classes:
F16L1/00; E03B7/04; E03C1/00; E03C1/122; E03F3/04; F16L5/02
Domestic Patent References:
| JP2008150889A | 2008-07-03 | |||
| JP2002167824A | 2002-06-11 | |||
| JP2011247374A | 2011-12-08 | |||
| JP2009235879A | 2009-10-15 | |||
| JP2005314976A | 2005-11-10 | |||
| JP2013002212A | 2013-01-07 | |||
| JP2012052328A | 2012-03-15 |
Attorney, Agent or Firm:
Cleo International Law & Patent Office