JPH0461239B2 - - Google Patents
Info
- Publication number
- JPH0461239B2 JPH0461239B2 JP4228285A JP4228285A JPH0461239B2 JP H0461239 B2 JPH0461239 B2 JP H0461239B2 JP 4228285 A JP4228285 A JP 4228285A JP 4228285 A JP4228285 A JP 4228285A JP H0461239 B2 JPH0461239 B2 JP H0461239B2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- tube
- opening
- cement
- branch
- 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
- 239000004568 cement Substances 0.000 claims description 26
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 238000004381 surface treatment Methods 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 2
- -1 polyethylene Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 239000012530 fluid Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Branch Pipes, Bends, And The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4228285A JPS61201988A (ja) | 1985-03-04 | 1985-03-04 | 内面処理管における枝管接続用開口部構造 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4228285A JPS61201988A (ja) | 1985-03-04 | 1985-03-04 | 内面処理管における枝管接続用開口部構造 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61201988A JPS61201988A (ja) | 1986-09-06 |
| JPH0461239B2 true JPH0461239B2 (da) | 1992-09-30 |
Family
ID=12631693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4228285A Granted JPS61201988A (ja) | 1985-03-04 | 1985-03-04 | 内面処理管における枝管接続用開口部構造 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61201988A (da) |
-
1985
- 1985-03-04 JP JP4228285A patent/JPS61201988A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61201988A (ja) | 1986-09-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |