Cutting machine

Details Cutting machine Cutting machine

1985-09-06

1987-06-02

Novosad, Stephen J.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

With material-handling means

299 76, 299 64, E21C 3520

Patent

active

046697853

ABSTRACT:
A cutting machine includes a universally swivellable cutting arm (6) having rotatably supported on its free end at least one cutting head (10, 11). A backwardly conveying screw conveyor (8, 9) is connected with the cutting arm (6) at both sides of the cutting arm (6). Each has its front end (12) located within the area of the cutting head (10, 11). The conveyor screws (8, 9) are surrounded by a housing which is open at the side turned away from the cutting arm (6). These conveyor screws (8, 9) take up the heap of debris during horizontal lateral movement and backwardly convey the material from the mine face (21) to a removal means (26) being arranged, for example, on the loading ramp (25).

REFERENCES:
patent: 2986385 (1961-05-01), Densmore
patent: 3776592 (1973-12-01), Ewing
patent: 3907368 (1975-09-01), Galis
patent: 4088371 (1978-05-01), LeBegue et al.
patent: 4310199 (1982-01-01), Freed, Jr. et al.

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