JPS5457567A - Coating of inner surface of piping - Google Patents

Coating of inner surface of piping

Info

Publication number
JPS5457567A
JPS5457567A JP12394977A JP12394977A JPS5457567A JP S5457567 A JPS5457567 A JP S5457567A JP 12394977 A JP12394977 A JP 12394977A JP 12394977 A JP12394977 A JP 12394977A JP S5457567 A JPS5457567 A JP S5457567A
Authority
JP
Japan
Prior art keywords
piping
adhesive layer
adhesive
cylindrical film
coating
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.)
Granted
Application number
JP12394977A
Other languages
Japanese (ja)
Other versions
JPS6118076B2 (en
Inventor
Akio Nakashiba
Toru Otani
Takashi Sakai
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.)
Osaka Gas Co Ltd
Original Assignee
Osaka Gas Co 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 Osaka Gas Co Ltd filed Critical Osaka Gas Co Ltd
Priority to JP12394977A priority Critical patent/JPS5457567A/en
Publication of JPS5457567A publication Critical patent/JPS5457567A/en
Publication of JPS6118076B2 publication Critical patent/JPS6118076B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To coat the inner surface of piping, e.g. gas, water supply pipes, etc. with certainty, by inserting and bonding a thin cylindrical film to the surface of the continuous ring-shaped adhesive layer formed on the inner surface of the piping.
CONSTITUTION: A liquid adhesive is injected into the interior of the piping 1 while being foamed by a blower, and the adhesive layer S is formed by discharging the adhesive with compressed air, etc. The cylindrical film 6, e.g. polyethylene, etc. with its tip in close contact with the film outlet 7t is bonded to the surface of the adhesive layer while being reversed by pressure of air sent to the drum 7
COPYRIGHT: (C)1979,JPO&Japio
JP12394977A 1977-10-15 1977-10-15 Coating of inner surface of piping Granted JPS5457567A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12394977A JPS5457567A (en) 1977-10-15 1977-10-15 Coating of inner surface of piping

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12394977A JPS5457567A (en) 1977-10-15 1977-10-15 Coating of inner surface of piping

Publications (2)

Publication Number Publication Date
JPS5457567A true JPS5457567A (en) 1979-05-09
JPS6118076B2 JPS6118076B2 (en) 1986-05-10

Family

ID=14873324

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12394977A Granted JPS5457567A (en) 1977-10-15 1977-10-15 Coating of inner surface of piping

Country Status (1)

Country Link
JP (1) JPS5457567A (en)

Also Published As

Publication number Publication date
JPS6118076B2 (en) 1986-05-10

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