JPH0468119B2 - - Google Patents

Info

Publication number
JPH0468119B2
JPH0468119B2 JP19208786A JP19208786A JPH0468119B2 JP H0468119 B2 JPH0468119 B2 JP H0468119B2 JP 19208786 A JP19208786 A JP 19208786A JP 19208786 A JP19208786 A JP 19208786A JP H0468119 B2 JPH0468119 B2 JP H0468119B2
Authority
JP
Japan
Prior art keywords
coil spring
spring
lining material
tension coil
compression coil
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.)
Expired
Application number
JP19208786A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6353000A (ja
Inventor
Katsuaki Zenbayashi
Hisao Ootsuka
Akio Morinaga
Osamu Toyoshima
Shinji Shimokawa
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.)
Ashimori Industry Co Ltd
Tokyo Gas Co Ltd
Original Assignee
Ashimori Industry Co Ltd
Tokyo 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 Ashimori Industry Co Ltd, Tokyo Gas Co Ltd filed Critical Ashimori Industry Co Ltd
Priority to JP19208786A priority Critical patent/JPS6353000A/ja
Priority to CA 544889 priority patent/CA1292033C/en
Publication of JPS6353000A publication Critical patent/JPS6353000A/ja
Publication of JPH0468119B2 publication Critical patent/JPH0468119B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Earth Drilling (AREA)
JP19208786A 1986-08-19 1986-08-19 管路の内張り材の穿孔具 Granted JPS6353000A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP19208786A JPS6353000A (ja) 1986-08-19 1986-08-19 管路の内張り材の穿孔具
CA 544889 CA1292033C (en) 1986-08-19 1987-08-19 Boring device for a lining material applied onto the inner surface of a pipe line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19208786A JPS6353000A (ja) 1986-08-19 1986-08-19 管路の内張り材の穿孔具

Publications (2)

Publication Number Publication Date
JPS6353000A JPS6353000A (ja) 1988-03-07
JPH0468119B2 true JPH0468119B2 (enrdf_load_stackoverflow) 1992-10-30

Family

ID=16285430

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19208786A Granted JPS6353000A (ja) 1986-08-19 1986-08-19 管路の内張り材の穿孔具

Country Status (2)

Country Link
JP (1) JPS6353000A (enrdf_load_stackoverflow)
CA (1) CA1292033C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
CA1292033C (en) 1991-11-12
JPS6353000A (ja) 1988-03-07

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