Device for producing a gas-liquid mixture in the vicinity of...

Details Device for producing a gas-liquid mixture in the vicinity of... Device for producing a gas-liquid mixture in the vicinity of...

2007-04-03

2007-04-03

Kreck, John (Department: 3673)

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Cleansing fluid passage

C299S081300

Reexamination Certificate

active

10528672

ABSTRACT:
In a device for producing a gas-liquid mixture and, in particular, air-water mixture in the region of cutting tools, particularly chisels, arranged on at least one cutter head (10) rotationally mounted on a cutter arm (5) of a cutting machine (1), including at least one nozzle pair comprised of a nozzle (14) for ejecting a gas jet and a nozzle (13) for ejecting a liquid jet, wherein the axes (17, 18) of the nozzles (13, 14) of a nozzle pair are oriented in a manner that the jets impinge on each other at a distance from the outlet openings of the nozzles, the axes (17, 18) of the nozzles (13, 14) of a nozzle pair form an angle with each other of between 45 and 135°, preferably between 75 and 85°.

REFERENCES:
patent: 4186971 (1980-02-01), Gebetsroither et al.
patent: 4243268 (1981-01-01), Lobbe et al.
patent: 4676557 (1987-06-01), Shope et al.
patent: 6517012 (2003-02-01), Slowik et al.
patent: 36 09 754 (1987-09-01), None
patent: 199 51 848 (2001-05-01), None
patent: 100 47 341 (2002-02-01), None

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