Fluid sprinkling – spraying – and diffusing – Including supplemental gas shaping or shielding jet
Reexamination Certificate
2005-07-12
2005-07-12
Tapolcai, William E. (Department: 3744)
Fluid sprinkling, spraying, and diffusing
Including supplemental gas shaping or shielding jet
C239S291000, C239S398000, C239S424000
Reexamination Certificate
active
06915966
ABSTRACT:
An apparatus for the gunning of a material is provided having a nozzle with an inner passage having an inlet end into which a wetted material is to be introduced and an outlet end from which the material is to be sprayed. An outer passage is disposed around the inner passage and in fluid communication therewith and has an inlet end for introducing a gas to be passed through the outer passage and impinged on the wetted material passing through the inner passage. Also provided is an apparatus for the gunning of a material having a material delivery hose for providing a material. A water inlet in fluid communication with the material delivery hose provides water to wet the material and a nozzle outputs the wetted material. A mixing chamber is disposed intermediate and in fluid communication with the material delivery hose and the nozzle and has at least one inlet for introducing a mixing gas.
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“Refractory Shotcrete—Current State-of-the-Art”, I. Leon Glassgold,Shotcrete Classics, Summer 2002, pp. 24-32.
Gist Bernard D.
Gordon Harold Harrison
Letzgus, Jr. Erwin Anton
Parkinson John Anton
Peschler William Joseph
Ali Mohammad M.
Herman Michael J.
Specialty Minerals ( Michigan) Inc.
Tapolcai William E.
LandOfFree
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