JPH0332638Y2 - - Google Patents
Info
- Publication number
- JPH0332638Y2 JPH0332638Y2 JP4764585U JP4764585U JPH0332638Y2 JP H0332638 Y2 JPH0332638 Y2 JP H0332638Y2 JP 4764585 U JP4764585 U JP 4764585U JP 4764585 U JP4764585 U JP 4764585U JP H0332638 Y2 JPH0332638 Y2 JP H0332638Y2
- Authority
- JP
- Japan
- Prior art keywords
- insert
- pipe
- diameter
- resin
- resin pipe
- 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
Links
- 239000011347 resin Substances 0.000 claims description 30
- 229920005989 resin Polymers 0.000 claims description 30
- 230000001681 protective effect Effects 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4764585U JPH0332638Y2 (th) | 1985-03-29 | 1985-03-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4764585U JPH0332638Y2 (th) | 1985-03-29 | 1985-03-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61164396U JPS61164396U (th) | 1986-10-11 |
| JPH0332638Y2 true JPH0332638Y2 (th) | 1991-07-10 |
Family
ID=30563162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4764585U Expired JPH0332638Y2 (th) | 1985-03-29 | 1985-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0332638Y2 (th) |
-
1985
- 1985-03-29 JP JP4764585U patent/JPH0332638Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61164396U (th) | 1986-10-11 |
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