JPS632618Y2 - - Google Patents
Info
- Publication number
- JPS632618Y2 JPS632618Y2 JP11637283U JP11637283U JPS632618Y2 JP S632618 Y2 JPS632618 Y2 JP S632618Y2 JP 11637283 U JP11637283 U JP 11637283U JP 11637283 U JP11637283 U JP 11637283U JP S632618 Y2 JPS632618 Y2 JP S632618Y2
- Authority
- JP
- Japan
- Prior art keywords
- concrete
- switching valve
- flow path
- path switching
- cap
- 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
- 239000000463 material Substances 0.000 claims description 10
- 238000005336 cracking Methods 0.000 description 7
- 239000004576 sand Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
- Sliding Valves (AREA)
- Reciprocating Pumps (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11637283U JPS6024885U (ja) | 1983-07-28 | 1983-07-28 | コンクリ−トポンプの流路切換弁の口金 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11637283U JPS6024885U (ja) | 1983-07-28 | 1983-07-28 | コンクリ−トポンプの流路切換弁の口金 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6024885U JPS6024885U (ja) | 1985-02-20 |
| JPS632618Y2 true JPS632618Y2 (en]) | 1988-01-22 |
Family
ID=30268287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11637283U Granted JPS6024885U (ja) | 1983-07-28 | 1983-07-28 | コンクリ−トポンプの流路切換弁の口金 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6024885U (en]) |
-
1983
- 1983-07-28 JP JP11637283U patent/JPS6024885U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6024885U (ja) | 1985-02-20 |
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