Title:
区画貫通部構造における配管システム
Document Type and Number:
Japanese Patent JP6769762
Kind Code:
B2
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
Inventors:
Nakajima Hideyasu
Shimamoto Michio
Yoichi Igari
Shimamoto Michio
Yoichi Igari
Application Number:
JP2016139854A
Publication Date:
October 14, 2020
Filing Date:
July 15, 2016
Export Citation:
Assignee:
Sekisui Chemical Co.,Ltd.
International Classes:
F16L5/04; A62C3/16
Domestic Patent References:
| JP2009057994A | ||||
| JP2002323177A | ||||
| JP2008274639A | ||||
| JP2011257001A | ||||
| JP2010065806A |
Foreign References:
| US9089726 |
Attorney, Agent or Firm:
Patent Business Corporation Saegusa International Patent Office