Rotating cutting drum having tapered and curved conveying surfac

Details Rotating cutting drum having tapered and curved conveying surfac Rotating cutting drum having tapered and curved conveying surfac

1979-04-27

1981-02-10

Purser, Ernest R.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Cleansing fluid passage

299 87, E21C 2510

Patent

active

042497795

ABSTRACT:
A cutting tool, particularly for a mining machine includes an elongated support having a first end and an axially spaced second end. The support also includes an outer circumferential surface having at the first end a first outer dimension and at the second end a second outer dimension which is smaller than the first dimension. The outer surface includes a portion adjacent to one of the ends and having a non-linear configuration with an exterior dimension which gradually decreases in direction from the above-mentioned one end towards the other of the first and second ends. A plurality of cutting units are located on the outer circumferential surface of the support along a line circumferentially embracing the support.

REFERENCES:
patent: 3085795 (1963-04-01), Snipe et al.
patent: 4022286 (1977-05-01), Gill

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