JPS54106925A - Leak prevention for buried pipe - Google Patents

Leak prevention for buried pipe

Info

Publication number
JPS54106925A
JPS54106925A JP1454778A JP1454778A JPS54106925A JP S54106925 A JPS54106925 A JP S54106925A JP 1454778 A JP1454778 A JP 1454778A JP 1454778 A JP1454778 A JP 1454778A JP S54106925 A JPS54106925 A JP S54106925A
Authority
JP
Japan
Prior art keywords
piping
interior wall
resin
tube
cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP1454778A
Other languages
Japanese (ja)
Inventor
Yoshio Tsuji
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP1454778A priority Critical patent/JPS54106925A/en
Publication of JPS54106925A publication Critical patent/JPS54106925A/en
Pending legal-status Critical Current

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  • Pipe Accessories (AREA)

Abstract

PURPOSE: To reinforce the interior wall of a piping in situ and thereby to prevent leakage, by forming a cylinder of cross-linked thermosetting resin closely fitted to the interior wall of a laid piping.
CONSTITUTION: A elastomeric tube 1 made of rubber, elastic plastic, or the like is covered with a resin layer 2 preformed in a cylinder shape. The tube 1 is contracted and inserted in a laid piping 3, thereafter pressurized air is fed into tube 1 so that the tube 1 expands and the resin layer 2 contact closely the interior wall of the piping 3. The resin is heated above its primary transistion temperature to set the resin cylinder closely fitted to the interior wall of the piping 3. The adhesion between the resin cylinder and the interior wall of the piping 3 is ensured by a primer which has been either applied on the surfaces θ treated resin cylinder or applied on the surface- treated (e.g. by horning) interior wall of the piping 3. When the elastomeric tube 1 is to be left in situ after work, an adhesive layer consisting of a primer is formed in advance between the resin cylinder and the tube 1.
COPYRIGHT: (C)1979,JPO&Japio
JP1454778A 1978-02-09 1978-02-09 Leak prevention for buried pipe Pending JPS54106925A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1454778A JPS54106925A (en) 1978-02-09 1978-02-09 Leak prevention for buried pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1454778A JPS54106925A (en) 1978-02-09 1978-02-09 Leak prevention for buried pipe

Publications (1)

Publication Number Publication Date
JPS54106925A true JPS54106925A (en) 1979-08-22

Family

ID=11864169

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1454778A Pending JPS54106925A (en) 1978-02-09 1978-02-09 Leak prevention for buried pipe

Country Status (1)

Country Link
JP (1) JPS54106925A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4446891A (en) * 1980-11-04 1984-05-08 Gebelius Sven Runo Vilhelm Method for repairing and/or reinforcing a pipe system, and a device for utilization of the method
US6089275A (en) * 1986-03-31 2000-07-18 Ina Acquisition Corp. Replacement pipe for installation in an existing conduit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4961713A (en) * 1972-10-18 1974-06-14

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4961713A (en) * 1972-10-18 1974-06-14

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4446891A (en) * 1980-11-04 1984-05-08 Gebelius Sven Runo Vilhelm Method for repairing and/or reinforcing a pipe system, and a device for utilization of the method
US6089275A (en) * 1986-03-31 2000-07-18 Ina Acquisition Corp. Replacement pipe for installation in an existing conduit

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