Title:
CHANGE-OVER DEVICE FOR SUPPLY PORT OF CONCRETE PUMP
Document Type and Number:
Japanese Patent JPS5294503
Kind Code:
A
Abstract:
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.
Inventors:
TANIGUCHI EIJI
Application Number:
JP1019276A
Publication Date:
August 09, 1977
Filing Date:
February 02, 1976
Export Citation:
Assignee:
KYOKUTO KAIHATSU KOGYO CO
International Classes:
F04B7/00; F04B15/02; (IPC1-7): F04B7/00; F04B15/02
Domestic Patent References:
| JP48094202B |