Title:
【発明の名称】粉砕促進介挿体を有する砕岩機
Document Type and Number:
Japanese Patent JP2001517549
Kind Code:
A
Abstract:
A rock crusher such as a cone or jaw crusher incorporates hardened tapered inserts in the manganese or other wear liner of at least one of its crushing elements. The inserts extend outwardly from the crushing surface of the crushing element towards the facing crushing surface so as, in use, to act as pick axes that shatter rock primarily by impact rather than pulverizing the rock by compression. The inserts are fixed in a heat treated manganese wear liner either by bonding or by press-fitting. The inserts substantially improve the life of the wear liner and, unexpectedly, 1) produce product of a highly uniform gradation in the desired ranges, 2) consistently produce product with a very high cubicity, 3) dramatically reduce the crusher's power requirements, and 4) significantly increase the crusher's capacity.
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Inventors:
Stafford Robert J.
Block Jay. Don
Gray William Earl.
Jacob Herbert E.
Block Jay. Don
Gray William Earl.
Jacob Herbert E.
Application Number:
JP2000512635A
Publication Date:
October 09, 2001
Filing Date:
September 15, 1998
Export Citation:
Assignee:
Aztec Industries, Inc.
International Classes:
B02C1/10; B02C2/00; B02C2/02; (IPC1-7): B02C1/10; B02C2/02
Attorney, Agent or Firm:
Seiichi Sawaki (1 outside)