Title:
REFRACTORY PIPE BODY
Document Type and Number:
Japanese Patent JP2015152067
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a refractory pipe body easily preventing heat from transferring from outward of the refractory pipe body to a thermal expansion material.SOLUTION: A refractory pipe body 11 includes a resin pipe body 21, and a thermal expansion material 31 thermally expanding by heating in fire. The thermal expansion material 31 is arranged along the inner peripheral surface of the resin pipe body 21. The refractory pipe body 11 is connected to a partition part penetration pipe 91 having refractory. The refractory pipe body 11 preferably includes a resin protective member 41 protecting the thermal expansion material 31. The resin protective member 41 has a body part 42 covering the inner peripheral surface of the thermal expansion material 31.
Inventors:
KUNIEDA TSUTOMU
MURAKAMI MAO
MURAKAMI MAO
Application Number:
JP2014025476A
Publication Date:
August 24, 2015
Filing Date:
February 13, 2014
Export Citation:
Assignee:
CCI CORP
International Classes:
F16L5/04; E03C1/12
Domestic Patent References:
| JP2010090542A | 2010-04-22 | |||
| JP2010236677A | 2010-10-21 | |||
| JP2007056536A | 2007-03-08 | |||
| JP2012092644A | 2012-05-17 |
Foreign References:
| DE10125177A1 | 2002-12-05 | |||
| US5452551A | 1995-09-26 |
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Hironobu Onda