Tooth construction for a mineral breaker

Details Tooth construction for a mineral breaker Tooth construction for a mineral breaker

2008-05-27

2008-05-27

Rosenbaum, Mark (Department: 3725)

Solid material comminution or disintegration

Apparatus

Rotary striking member or hammer

C241S294000, C241S300000

Reexamination Certificate

active

07377459

ABSTRACT:
A tooth construction for a mineral bear, the tooth construction including a tooth shaped support body covered by a shell which defines the outer shape of the tooth construction, the shell being composed of a plurality of covers which are fixedly secured to one another and/or to the support body by welding to define a unitary tooth construction the support body having a front face and an opposed rear face and the plurality of covers including at least a front cover which is weldingly secured to and seated in face to face contact with the front face of the support body and a separate rear cover which is weldingly secured to and seated in face to face contact with the rear face of the support body.

REFERENCES:
patent: 4162770 (1979-07-01), Lewis
patent: 4781331 (1988-11-01), Potts
patent: 0 167 178 (1990-04-01), None
patent: 2020572 (1979-11-01), None
patent: 2152840 (1985-08-01), None
patent: WO 98/58739 (1998-12-01), None
patent: WO 03/006165 (2003-01-01), None

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