Orifice plate removal system for an orifice plate of a...

Details Orifice plate removal system for an orifice plate of a... Orifice plate removal system for an orifice plate of a...

2006-10-19

2009-06-02

Rosenbaum, Mark (Department: 3725)

Solid material comminution or disintegration

Apparatus

Helical pusher inside tube moves material toward perforated...

C241S296000, C029S426500, C029S428000

Reexamination Certificate

active

07540440

ABSTRACT:
An orifice plate for a grinding machine is disclosed as having removal slots or relief areas for ease in removal of the plate from the grinding head. The slots may be aligned with recesses in the head that allow easy insertion of a removal tool. A number of embodiments are contemplated, some of which do not require a recess in the head to be present, and others which may require a recess but do not require alignment.

REFERENCES:
patent: 2006318 (1935-06-01), Schmidt
patent: 3417800 (1968-12-01), Tipton
patent: 4003521 (1977-01-01), Hess
patent: 4108387 (1978-08-01), Weiler
patent: 5251829 (1993-10-01), Lesar
patent: 5289979 (1994-03-01), Lesar
patent: 5344086 (1994-09-01), Lesar
patent: 5405095 (1995-04-01), Lesar
patent: 5409172 (1995-04-01), Lesar
patent: 5443214 (1995-08-01), Lesar
patent: 2001/0052558 (2001-12-01), Younker

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