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Title:
FIREPROOF TREATMENT TOOL AND FIREPROOF TREATMENT STRUCTURE
Document Type and Number:
Japanese Patent JP2014132195
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a fireproof treatment tool which easily forms a fireproof treatment structure without requiring a large amount of a heat expansion refractory material, and to provide the fireproof treatment structure.SOLUTION: A fireproof treatment tool 11 includes a substrate 12 which is formed by an incombustible material so as to have a size such that the substrate 12 closes an entire through hole of a wall W. Insertion holes 16, into which multiple conduit tubes D are respectively inserted, are formed at the substrate 12 separated from each other. First and second heat expansion refractory sheets 15, 19 are integrally provided on a rear surface of the substrate 12. The respective insertion holes 16 are surrounded by the thermal expansion refractory material, i.e. the first and second heat expansion refractory sheets 15, 19.

Inventors:
SUGIHARA NOBUKAZU
Application Number:
JP2014072174A
Publication Date:
July 17, 2014
Filing Date:
March 31, 2014
Export Citation:
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Assignee:
MIRAI IND
International Classes:
F16L5/04; A62C3/16; F16L5/02
Domestic Patent References:
JPH0473681U1992-06-29
JPS57125136U1982-08-04
JP2010501813A2010-01-21
JPH03106821U1991-11-05
JP2002084635A2002-03-22
JPH07167351A1995-07-04
JP2006138144A2006-06-01
JP2003321887A2003-11-14
JP2005320724A2005-11-17
JPH0746739A1995-02-14
JPH10102629A1998-04-21
JP2003320051A2003-11-11
JPH09510514A1997-10-21
JPS5551275U1980-04-04
JPH03104365U1991-10-29
JPH0661944U1994-09-02
JP2005226725A2005-08-25
Foreign References:
US5351448A1994-10-04
Attorney, Agent or Firm:
Hiroe Associates Patent Office