JPS5297407A - Switch valve apparatus for concrete pump - Google Patents
Switch valve apparatus for concrete pumpInfo
- Publication number
- JPS5297407A JPS5297407A JP1606777A JP1606777A JPS5297407A JP S5297407 A JPS5297407 A JP S5297407A JP 1606777 A JP1606777 A JP 1606777A JP 1606777 A JP1606777 A JP 1606777A JP S5297407 A JPS5297407 A JP S5297407A
- Authority
- JP
- Japan
- Prior art keywords
- switch valve
- valve apparatus
- concrete pump
- concrete
- clogging
- 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.)
- Pending
Links
Landscapes
- Reciprocating Pumps (AREA)
Abstract
PURPOSE: To certainly prevent the clogging of concrete by forming the passage from the end of the concrete cylinder to the Y-shaped tube in the tapered state having the decreasing open area.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1606777A JPS5297407A (en) | 1977-02-18 | 1977-02-18 | Switch valve apparatus for concrete pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1606777A JPS5297407A (en) | 1977-02-18 | 1977-02-18 | Switch valve apparatus for concrete pump |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5297407A true JPS5297407A (en) | 1977-08-16 |
Family
ID=11906214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1606777A Pending JPS5297407A (en) | 1977-02-18 | 1977-02-18 | Switch valve apparatus for concrete pump |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5297407A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0381580A (en) * | 1989-08-23 | 1991-04-05 | Marushin Shokai:Kk | Pump for forced feed of ready-mixed concrete |
-
1977
- 1977-02-18 JP JP1606777A patent/JPS5297407A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0381580A (en) * | 1989-08-23 | 1991-04-05 | Marushin Shokai:Kk | Pump for forced feed of ready-mixed concrete |
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