Holder for the attachment of cutters to mining and...

Details Holder for the attachment of cutters to mining and... Holder for the attachment of cutters to mining and...

E - Fixed Constructions

21

C

262/83

E21C 35/18 (2006.01) E21C 25/12 (1980.01)

Patent

CA 1142557

TITLE OF THE INVENTION HOLDERS FOR THE ATTACHMENT OF CUTTERS TO MINING AND TUNNELLING MACHINES ABSTRACT OF THE DISCLOSURE The invention relates to a holder for the attachment of cutters or bits, in particular, circular shank cutters or bits, to mining and tunnelling machines, said holder having at least one spray nozzle for coolant spraying of the cutter working area, the water supply of which is in controlled dependence upon application of a pressure load to the cure.

351817

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