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Title:
FIREPROOF MEASURE STRUCTURE FOR THROUGH-HOLE AND MOVEMENT REGULATION MEMBER USED FOR IT
Document Type and Number:
Japanese Patent JP2014129854
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To keep an initial filled state of fireproof measure material loaded in an annular space as much as possible and realize a desired fireproof clogging function with the fireproof measure material even if a moving force to pull and draw acts against a long member caused by an external force such as earthquake and the like.SOLUTION: This invention relates to a fireproof measure structure for a through-hole in which fireproof measure material 4 is filled in an annular space S between an inner peripheral surface 2a of a through-hole 2 of a fireproof structure 1 and an outer side surface of a long member 3 inserted into the through-hole, and there is provided a movement regulation means A for restricting and prohibiting movement of the fireproof measure material 4 in a longitudinal direction of a long member in the annular space S.

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Inventors:
KOGA SEIICHI
HAGIMORI YUKIICHI
Application Number:
JP2012288269A
Publication Date:
July 10, 2014
Filing Date:
December 28, 2012
Export Citation:
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Assignee:
INABA DENKI SANGYO KK
International Classes:
F16L5/02
Domestic Patent References:
JPH0373171A1991-03-28
JP2009243552A2009-10-22
JPH06509933A1994-11-02
JP2011052448A2011-03-17
JPH06109170A1994-04-19
JPH09262305A1997-10-07
JP2004169922A2004-06-17
Foreign References:
EP2570158A12013-03-20
Attorney, Agent or Firm:
Shuichiro Kitamura
Takashi Ota
Masahiro Miyaji