Title:
壁貫通孔周縁部の止水構造、壁貫通部配管装置、及び管継手
Document Type and Number:
Japanese Patent JP6887834
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a structure which facilitates a filling operation of a caulking material for cutting off an edge part of a wall penetration hole and further improves a cutoff performance.SOLUTION: The present invention relates to a wall penetration part piping device consisting of: a wall penetration part forming member comprising a cylindrical main body part D which is inserted into a wall penetration hole Hthat is formed on a building wall W and into which a fluid pipe P is inserted; and a pipe joint Cfitted to a fitting part of the cylindrical main body D and including a flange body 21 that is abutted to an edge part of the wall penetration hole Hat a front side of the wall. An annular recess is provided in an outer peripheral part of the flange body 21 of the pipe joint Cat a side facing a wall front face Wa, a filling groove Gfor a caulking material that is opened in an expansion direction of the flange body 21 of the pipe joint Cis formed together with the wall front face Wa. On a bottom of the filling groove G, a non-adhesive surface to which the caulking material is not adhered is formed in such a manner that the caulking material is adhered to only two faces of the wall front face Wa and a wall front opposite face 27a of the flange body 21 that is opposite to the wall front face Wa.SELECTED DRAWING: Figure 3
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Inventors:
Atsushi Nakamura
Application Number:
JP2017048315A
Publication Date:
June 16, 2021
Filing Date:
March 14, 2017
Export Citation:
Assignee:
Mirai Industry Co., Ltd.
International Classes:
F16L5/00; E04F17/08
Domestic Patent References:
| JP2008039125A | ||||
| JP9144147A | ||||
| JP2013087828A | ||||
| JP2001173043A | ||||
| JP2004143759A |
Attorney, Agent or Firm:
Tetsuhiro Naito