Grinding head

Details Grinding head Grinding head

2005-08-30

2005-08-30

Banks, Derris H. (Department: 3725)

Solid material comminution or disintegration

Processes

Miscellaneous

C241S084300, C241S199100

Reexamination Certificate

active

06935585

ABSTRACT:
A grinding head (10) includes a grinding bowl (12) provided with a boss (14) fixed to a bottom wall (16) of the bowl (12) and projecting into the bowl (12). The head (10) also includes a grinder ring (18) that is locatable over the boss (14) and freely moveable within the bowl (12). A lid (30) closes the bowl to prevent the escape of a mineral sample during grinding.

REFERENCES:
patent: 4640468 (1987-02-01), Quinn
patent: 4860962 (1989-08-01), Kiefer et al.
patent: 5524840 (1996-06-01), Gygi
patent: 5556044 (1996-09-01), Hobson
patent: 6209809 (2001-04-01), Mariutti

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