Holder for the attachment of cutters to mining and tunnelling ma

Details Holder for the attachment of cutters to mining and tunnelling ma Holder for the attachment of cutters to mining and tunnelling ma

1980-08-11

1982-06-08

Purser, Ernest R.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Cleansing fluid passage

299 17, 299 86, 173 58, E21C 3522

Patent

active

043336876

ABSTRACT:
Disclosed is a holder for the attachment of cutters or bits, to mining and tunnelling machines, which has at least one spray nozzle for coolant spraying of the cutter working area. The holder comprises means for receiving the cutter shank in the holder, an insert sleeve surrounding the cutter shank inserted with axial play in the means for receiving the cutter shank and a shut-off member carried on the insert. The shut-off member engages into a coolant supply line to the spray nozzle when a pressure load is applied to the cutter and shuts off the coolant supply when there is no load on the cutter.

Affiliated with

Also associated with

Rating

Holder for the attachment of cutters to mining and tunnelling ma does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Holder for the attachment of cutters to mining and tunnelling ma, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Holder for the attachment of cutters to mining and tunnelling ma will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-551051