Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Rolling or rotatable-type bit mount
Reexamination Certificate
2007-11-27
2007-11-27
Singh, Sunil (Department: 3673)
Mining or in situ disintegration of hard material
Cutter tooth or tooth head
Rolling or rotatable-type bit mount
Reexamination Certificate
active
11274947
ABSTRACT:
A chisel holder for a road milling machine or the like, having a base element which supports a holding neck, wherein the holding neck has a chisel receiver and a protrusion is connected to the base element upstream of the holding neck when viewed in an advancing direction of the tool. For improving the cutting output, in particular in connection with rough-chipped milling materials, the base element has a connecting section designed as a chip breaker, which is formed on the base element and extends, starting at the holding neck, at least partially over the protrusion.
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Holl Bernd
Tewes Günter
Pauley Petersen & Erickson
Singh Sunil
Wirtgen GmbH
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