Coolant sleeve for mining tools

Details Coolant sleeve for mining tools Coolant sleeve for mining tools

1986-03-17

1987-07-07

Novosad, Stephen J.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Cleansing fluid passage

299 91, E21C 3522, E21F 502

Patent

active

046782389

ABSTRACT:
A coolant system for mining bits which are rotatably mounted in blocks secured to mining machines of the type utilizing a large rotating wheel or continuous power-driven chains. The mounting blocks for the bits have a coolant passage leading to a bore in the block. Within the bore is a coolant dispensing sleeve which has a central passage to receive the shank of a mining bit. The sleeve has one or more axially disposed spray nozzles which receive coolant under pressure from the coolant passage in the block and from an annular passage formed between the block and the sleeve.

REFERENCES:
patent: 3499685 (1970-03-01), Kniff
patent: 3575467 (1971-04-01), Davis
patent: 4333687 (1982-06-01), Barnstorf

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