Title:
FIRE RESISTANCE MATERIAL FOR PIPE BODY CONNECTING PART
Document Type and Number:
Japanese Patent JP3967177
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a fire resistance material which is easily filled up in the narrow part of the contacting part of the end part of the pipe body buried in a concrete wall with accessories such as a box, and freely copes with various sizes of the pipe bodies.
SOLUTION: The fire resistance material F is inserted and filled up from an opening part side of the box B into the connecting part to which the electric wire pipe P is connected to the box (accessories) B in order to prevent the electric wire pipe (pipe body) P buried in the concrete wall or the cable (inserted material) C1 inserted in it from spreading by the fire or the like. The fire resistance material F is filled up in the connecting part by adhesion on the inside surface of the contacting part or the outside surface of the cable C1. It consists of aggregate of a plurality of small pieces of fire resistance material F1 formed with the fire resistance material which prevents the spread of fire by heat expansion and the required number of the pieces chosen according to the size of the electric wire pipe P or the like, is filled up into the connecting part.
Inventors:
Nobukazu Sugihara
Kazuhiko Onda
Kazuhiko Onda
Application Number:
JP2002110021A
Publication Date:
August 29, 2007
Filing Date:
April 12, 2002
Export Citation:
Assignee:
Mirai Industry Co., Ltd.
International Classes:
E04B1/94; F16L5/02; F16L5/04; F16L59/05; H02G3/04; H02G3/22; H02G3/38; H02G9/00; (IPC1-7): F16L59/05; E04B1/94; F16L5/02; H02G3/04; H02G3/22; H02G3/38; H02G9/00
Domestic Patent References:
| JP2000073470A | ||||
| JP7259211A | ||||
| JP2001214554A | ||||
| JP10096487A | ||||
| JP2000050467A | ||||
| JP2000055244A | ||||
| JP2000240854A | ||||
| JP1037323U | ||||
| JP1077772U | ||||
| JP57145442U |
Attorney, Agent or Firm:
Tetsuhiro Naito