Solid material comminution or disintegration – Apparatus – Stationary comminuting surface or material bed
Reexamination Certificate
2011-03-22
2011-03-22
Francis, Faye (Department: 3725)
Solid material comminution or disintegration
Apparatus
Stationary comminuting surface or material bed
C241S300000
Reexamination Certificate
active
07909279
ABSTRACT:
A wear component for use in an impact crusher having a forward depression on the face of the wear component which is exposed to aggregate wear. Wear resistant inserts, for example cemented tungsten carbide inserts, are bonded within the forward depression to prevent rapid abrasion of the wear component. Joints are formed between wear resistant inserts and joints are also formed between wear resistant inserts and the wear component. Bonding material fills the joints to further secure the wear resistant inserts and to prevent crack propagation.
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Condon Gary John
Rowlett Don C.
Francis Faye
Gordon Matthew W.
Kennametal Inc.
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