Device for preparing and injecting sealing charges of cement

Details Device for preparing and injecting sealing charges of cement Device for preparing and injecting sealing charges of cement

1980-06-02

1982-11-09

Scherbel, David A.

Conveyors: fluid current

Blower or pump having load intake opening in housing

222145, 222214, 222372, 222630, 406 46, B05B 706

Patent

active

043582273

ABSTRACT:
The invention relates to a device for the preparation and injection of sealing cement for bolts in propping gallery roofs and walls in mines, quarries or tunnels. The device of the invention comprises a flexible pouch contained in a rigid housing which is connected to a liquid supply system and an injection nozzle that is double-walled along its entire length, the inner nozzle receiving pulverulent cement from the flexible pouch and the outer ring of the nozzle being supplied with water. Thus, the cement and water are separately introduced into a bore for the bolts and the mixing process takes place in the bore.

REFERENCES:
patent: 991814 (1911-05-01), Akeley
patent: 2829600 (1958-04-01), Sveda
patent: 3304126 (1967-02-01), Rupp et al.
patent: 3434808 (1969-03-01), Pobst, Jr.
patent: 3712681 (1973-01-01), Marino et al.
patent: 4116368 (1978-09-01), Smith

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