Drilling or chiseling tool with suction apparatus

Boring or penetrating the earth – With above-ground means for handling drilling fluid or cutting – Fluid or cuttings directing or receiving means engaging bore...

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Details

55521, 173 75, 408 67, B25D 1714, E21C 702

Patent

active

054678358

ABSTRACT:
A drilling or chiseling tool includes a suction apparatus (8) releasably mounted on a housing (1) of the tool. The suction apparatus (8) contains a replaceable separating device (11) formed of a housing (13) subdivided into two separate chambers (K1, K2) by a filter element (14) replaceably fitted in the housing. Each chamber (K1, K2) has an aperture (12, 15) and the cross-sections of the apertures extend at right angles to one another.

REFERENCES:
patent: 4192390 (1980-03-01), Wanner et al.
patent: 5113951 (1992-05-01), Houben et al.
patent: 5125941 (1992-06-01), Ernst et al.
patent: 5199501 (1993-04-01), Kluber et al.

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