Dust-collecting head

Details Dust-collecting head Dust-collecting head

1977-02-22

1978-03-28

Leppink, James A.

Boring or penetrating the earth

With above-ground means for handling drilling fluid or cutting

Fluid or cuttings directing or receiving means engaging bore...

E21C 700

Patent

active

040810410

ABSTRACT:
A system for collecting dust during drilling operations in a mine with a roof drill machine is described herein. The system consists of a mobile roof drilling machine having a conical shaped dust-collecting bowl adjacent to the surface being drilled. It is provided with annular space between the drill and the conical dust-collecting system to allow the drill to be injected into the roof of the mine. The system has a strong suction mechanism tangentially associated on each side of the dust-collecting system so as to provide a swirling motion of the falling dust particles.

REFERENCES:
patent: 1057568 (1913-04-01), Mayer et al.
patent: 1972846 (1934-09-01), Kelley
patent: 2590958 (1952-04-01), Goodrich
patent: 2829867 (1958-04-01), Brochetti
patent: 2832567 (1958-04-01), Fletcher et al.
patent: 3924696 (1975-12-01), Horlin et al.

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