PIPING SYSTEM IN COMPARTMENT PENETRATION PART STRUCTURE

Title:

PIPING SYSTEM IN COMPARTMENT PENETRATION PART STRUCTURE

Document Type and Number:

Japanese Patent JP2018009664

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide a piping system excellent in fire resistance and liquid-tightness.SOLUTION: A piping system 1 in a compartment penetration part structure 5 including a compartment 2 provided with an open hole 4, includes: a heat expansive sleeve 10 defining the open hole 4; two pipes 20, 21 extending to the outside of the open hole 4 at both sides of the compartment 2, and separating from each other; and two annular coupling lids 30, 31 fitted to the pipes 20, 21, connected to both ends of the heat expansive sleeve 10 outside the open hole 4, and blocking clearances between the pipes 20, 21 and the heat expansive sleeve 10.SELECTED DRAWING: Figure 2

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Inventors:

NAKAJIMA HIDEYASU
SHIMAMOTO TOMOO
ISORI YOICHI

Application Number:

JP2016139854A

Publication Date:

January 18, 2018

Filing Date:

July 15, 2016

Export Citation:

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Assignee:

SEKISUI CHEMICAL CO LTD

International Classes:

F16L5/04; A62C3/16

Domestic Patent References:

JP2009057994A	2009-03-19
JP2002323177A	2002-11-08
JP2008274639A	2008-11-13
JP2011257001A	2011-12-22
JP2010065806A	2010-03-25

Foreign References:

US9089726B1

2015-07-28

Attorney, Agent or Firm:

Patent Business Corporation Saegusa International Patent Office

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