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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyokuto Kaihatsu Kogyo Co Ltd
Original Assignee
Kyokuto Kaihatsu Kogyo Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kyokuto Kaihatsu Kogyo Co LtdfiledCriticalKyokuto Kaihatsu Kogyo Co Ltd
Priority to JP1019276ApriorityCriticalpatent/JPS5294503A/en
Publication of JPS5294503ApublicationCriticalpatent/JPS5294503A/en
PURPOSE: To maintain the fluidity appropriately during the pressurized supply work of concrete so as to continue the work smoothly further, to wash easily the device without damaing a hopper and toher devices in the washing and cleaning.
COPYRIGHT: (C)1977,JPO&Japio
JP1019276A1976-02-021976-02-02Change-over device for supply port of concrete pump
PendingJPS5294503A
(en)