JPH0332861Y2 - - Google Patents
Info
- Publication number
- JPH0332861Y2 JPH0332861Y2 JP16587685U JP16587685U JPH0332861Y2 JP H0332861 Y2 JPH0332861 Y2 JP H0332861Y2 JP 16587685 U JP16587685 U JP 16587685U JP 16587685 U JP16587685 U JP 16587685U JP H0332861 Y2 JPH0332861 Y2 JP H0332861Y2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- ball valve
- piping
- underground
- 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
- 239000002184 metal Substances 0.000 claims description 19
- 239000012530 fluid Substances 0.000 claims description 17
- 238000005260 corrosion Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 229920003023 plastic Polymers 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 238000010292 electrical insulation Methods 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 description 21
- -1 polyethylene Polymers 0.000 description 21
- 229920000573 polyethylene Polymers 0.000 description 21
- 230000007797 corrosion Effects 0.000 description 7
- 230000006355 external stress Effects 0.000 description 3
- 238000007500 overflow downdraw method Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Valve Housings (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16587685U JPH0332861Y2 (en]) | 1985-10-29 | 1985-10-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16587685U JPH0332861Y2 (en]) | 1985-10-29 | 1985-10-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6275276U JPS6275276U (en]) | 1987-05-14 |
| JPH0332861Y2 true JPH0332861Y2 (en]) | 1991-07-11 |
Family
ID=31096316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16587685U Expired JPH0332861Y2 (en]) | 1985-10-29 | 1985-10-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0332861Y2 (en]) |
-
1985
- 1985-10-29 JP JP16587685U patent/JPH0332861Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6275276U (en]) | 1987-05-14 |
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