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Title:
FIREPROOFING DEVICE AND BUILDING FIREPROOF STRUCTURE
Document Type and Number:
Japanese Patent JP2016185202
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide: a fireproofing device capable of avoiding falling off a through hole of a partition even when a vibration or impact is applied thereon from an outside, and a building fireproof structure using the fireproofing device.SOLUTION: A fireproofing device 1 is disposed in a through hole 12 formed in a partition 11 of a building and having at least one tubular body 13 inserted therein, and is used for fireproofing of the through hole 12. The fireproofing device 1 comprises: a cylindrical body part 2 which has a thermal expansion property and is inserted in the through hole 12 and in which the at least one tubular body 13 is inserted; a first locking part 3 exposed from the through hole 12 and hooked on one outer surface of the partition 11; and a second locking part 4 exposed from the through hole 12 and hooked on the other outer surface of the partition 11.SELECTED DRAWING: Figure 1

Inventors:
NAKAJIMA HIDEYASU
MAKITA YASUKAZU
Application Number:
JP2015066172A
Publication Date:
October 27, 2016
Filing Date:
March 27, 2015
Export Citation:
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Assignee:
SEKISUI CHEMICAL CO LTD
International Classes:
A62C3/16; F16L5/04; H02G3/22
Domestic Patent References:
JP2009142487A2009-07-02
JP2005522303A2005-07-28
JP2001280550A2001-10-10
Attorney, Agent or Firm:
Patent Business Corporation Saegusa International Patent Office