JPS6218795Y2 - - Google Patents
Info
- Publication number
- JPS6218795Y2 JPS6218795Y2 JP1981050159U JP5015981U JPS6218795Y2 JP S6218795 Y2 JPS6218795 Y2 JP S6218795Y2 JP 1981050159 U JP1981050159 U JP 1981050159U JP 5015981 U JP5015981 U JP 5015981U JP S6218795 Y2 JPS6218795 Y2 JP S6218795Y2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- existing
- old
- existing pipe
- short
- 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
- 238000007789 sealing Methods 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000004698 Polyethylene Substances 0.000 claims description 10
- -1 polyethylene Polymers 0.000 claims description 10
- 229920000573 polyethylene Polymers 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 10
- 239000013013 elastic material Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 238000012966 insertion method Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 4
- 229920003002 synthetic resin Polymers 0.000 claims description 3
- 239000000057 synthetic resin Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 8
- 238000012856 packing Methods 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 229910001018 Cast iron Inorganic materials 0.000 description 4
- 230000008602 contraction Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 239000003351 stiffener Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Joints Allowing Movement (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
- Joints With Sleeves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1981050159U JPS6218795Y2 (US20100223739A1-20100909-C00025.png) | 1981-04-09 | 1981-04-09 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1981050159U JPS6218795Y2 (US20100223739A1-20100909-C00025.png) | 1981-04-09 | 1981-04-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57163072U JPS57163072U (US20100223739A1-20100909-C00025.png) | 1982-10-14 |
JPS6218795Y2 true JPS6218795Y2 (US20100223739A1-20100909-C00025.png) | 1987-05-14 |
Family
ID=29846876
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1981050159U Expired JPS6218795Y2 (US20100223739A1-20100909-C00025.png) | 1981-04-09 | 1981-04-09 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6218795Y2 (US20100223739A1-20100909-C00025.png) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5267020A (en) * | 1975-12-01 | 1977-06-03 | Hisajirou Oda | Device for preventing damage to valve fittings in concrete structure |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5281614U (US20100223739A1-20100909-C00025.png) * | 1975-12-15 | 1977-06-17 |
-
1981
- 1981-04-09 JP JP1981050159U patent/JPS6218795Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5267020A (en) * | 1975-12-01 | 1977-06-03 | Hisajirou Oda | Device for preventing damage to valve fittings in concrete structure |
Also Published As
Publication number | Publication date |
---|---|
JPS57163072U (US20100223739A1-20100909-C00025.png) | 1982-10-14 |