Milled roadway surface

Details Milled roadway surface Milled roadway surface

1996-06-12

1997-06-17

Bagnell, David J.

Road structure, process, or apparatus

Pavement

404 93, 299 398, E01C 2309

Patent

active

056391803

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. 844-01149-4 (Sep. 26, 1976).
Kennametal Drawing No. 804-01144 (Jan. 4, 1979).
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Kennametal Drawing No. 804-01084 (May 4, 1976).
Brochure from Keystone Engineering & Manufacturing on Taper Lock System (undated).
Sketch of Keystone Tri-Bit/Block Arrangement (undated).
Kennametal Drawing No. 844-01505 (Feb. 2, 1990).

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