Rotary cutting head with water supply

Details Rotary cutting head with water supply Rotary cutting head with water supply

2005-01-11

2005-01-11

Kreck, John (Department: 3673)

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Cleansing fluid passage

Reexamination Certificate

active

06840585

ABSTRACT:
A rotary cutting head (1) for a mineral mining machine, comprises a drive shaft (5) carrying a central drum (4), and beyond each end of the central drum (4), an outer drum (2,3), each drum being provided with an array of pick boxes (7) to receive an individual pick (8), wherein the drive shaft (5) has a longitudinal bore (10) housing at least one water conveying tube (11), which together with a network of bores (25) enable a single water admission cartridge interposed between an outer end of one of the drums (2), and an end face plate (16) of that drum (2) to supply water to all three drums (2, 3, 4).

REFERENCES:
patent: 4516807 (1985-05-01), Eagles
patent: 4660892 (1987-04-01), Demoulin
patent: 5098166 (1992-03-01), Ebner et al.
patent: 5114213 (1992-05-01), Kornecki et al.
patent: 5507565 (1996-04-01), LeBegue et al.
patent: 5690392 (1997-11-01), Clapham
patent: 2297989 (1996-08-01), None
patent: 2333548 (1999-07-01), None
Great Britain Patent Office Search Report dated Mar. 15, 2003.

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