Clog-free inorganic grout emplacement gun

Details Clog-free inorganic grout emplacement gun Clog-free inorganic grout emplacement gun

1976-12-16

1978-09-26

Scherbel, David A.

Dispensing

Plural sources, compartment, containers and/or spaced jacket

With common discharge

222193, 239336, 239428, 302 20, B05B 704, B05B 706, B05B 714

Patent

active

041163680

ABSTRACT:
This disclosure is directed to a clog-free grout emplacement gun particularly adapted for use in coal or similar mines for retaining roof bolts in bore holes, and includes a first conduit for conveying a gaseous medium along a first path, a second conduit for conveying grout material along a second path, a mixing chamber for admixing the gaseous medium and the grout material, a passage for directing the admixed gaseous medium and grout material along a third path toward and beyond a discharge orifice of a nozzle toward a predetermined point, a tube for directing a liquid medium along a fourth path paralleling the third path outwardly of the discharge nozzle, and a control device for controlling the flow of the media and material to effect admixture thereof at a point beyond the orifice of the discharge nozzle.

REFERENCES:
patent: 1420544 (1922-06-01), Hahn
patent: 2419410 (1947-04-01), Maurer
patent: 2955877 (1960-10-01), Ecal
patent: 3174693 (1965-03-01), Weber, Jr.
patent: 3239146 (1966-03-01), Freda
patent: 3333774 (1967-08-01), Demaison
patent: 3712681 (1973-01-01), Marino et al.
patent: 3907170 (1975-07-01), Schredrin et al.

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