Title:
FIRE SPREAD PREVENTION DEVICE FOR PENETRATION PART
Document Type and Number:
Japanese Patent JP2015128489
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a fire spread prevention device for penetration part, the device being capable of preventing the spreading of fire to a different fireproof compartment even when a flammable pipe is installed through a floor or a wall that partitions the different fireproof compartment.SOLUTION: A fire spread prevention device for penetration part comprises: an incombustible material packing part having a penetration part that is formed of an incombustible material, to a partition structure that is a floor or a wall partitioning a different fireproof compartment and through which a flammable pipe penetrates without leaving any gap; and separation means for separating the penetration part, when the flammable pipes are burned and lost, from the fireproof compartment where a fire is burning. The separation means is formed of an incombustible material, the separation means comprising: an incombustible material cover supported by the flammable pipes at a normal time without a fire; and a fastener to support the incombustible material cover that drops by gravity when the pipe is burned and lost.
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Inventors:
FUJISAKI YURIE
KAWABE TAKAHIRO
KAWABE TAKAHIRO
Application Number:
JP2014000674A
Publication Date:
July 16, 2015
Filing Date:
January 07, 2014
Export Citation:
Assignee:
HITACHI GE NUCLEAR ENERGY LTD
International Classes:
A62C3/16
Attorney, Agent or Firm:
Polaire Patent Business Corporation