Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working
Patent
1995-05-08
1996-07-16
Bagnell, David J.
Mining or in situ disintegration of hard material
Hard material disintegrating machines
Floor-working
299 871, 299106, E21C 4700, E01C 23088
Patent
active
055360734
ABSTRACT:
A mining drum assembly for use in the mining of a substrate that has a drum. A plurality of bars, each one of the bars has a plurality of laterally-spaced apart mining bit assemblies connected thereto, are affixed to the surface of the drum. The bars define first and second regions of discrete bars equi-spaced about the circumference of the drum. The bars of the first region being circumferentially and laterally spaced-apart from the bars of the second region.
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Kennametal Drawing No. 844-01149-A (Sept. 26, 1976).
Kennametal Drawing No. 804-01144 (Jan. 4, 1979).
Kennametal Drawing No. 804-01097 (Apr. 11, 1977).
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Brochure from Keystone Engineering & Manufacturing on Taper Lock System.
Sketch of Keystone tri-bit/block arrangement.
Kennametal Drawing No. 844-01505 (Feb. 2, 1990).
Beach Wayne H.
Sulosky William P.
Advanced Cutting Systems Corp.
Bagnell David J.
Kennametal Inc.
O'Connor Pamela A.
Prizzi John J.
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