B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
B23B 51/06 (2006.01) B23Q 11/10 (2006.01) B28D 7/02 (2006.01)
Patent
CA 2262304
The present invention relates to a suction and discharge apparatus for a drilling fluid, which is used in material removing treatment of hard constructional components formed of concrete, stone, brickwork, and the like, and including at least two air- and liquidtight reservoirs, with the first reservoir being connected with a vacuum-producing device and a suction conduit, with the second reservoir being connected with an overpressure- producing device and a discharge conduit, and with both reservoirs being connected by a conduit.
Erdt Wolfgang
Ostermeier Peter
Roth Peter
Gierczak Eugene J. A.
Hilti - Aktiengesellschaft
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