Hutch chamber for jig
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United States of America Patent
Stats
-
Sep 2, 2003
Grant Date -
Dec 27, 2001
app pub date -
Aug 27, 2001
filing date -
Aug 20, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A centrifugal jig has a container mounted for rotation about its longitudinal axis (22), separated into an axial region (32) and a peripheral region by ragging material (41) supported by a screen (30). The peripheral region is composed of a series of hutch chambers (34) with reciprocating wall portions (45) located radially outside the screen (30), for repetitively dilating the ragging. Also disclosed is a hutch chamber construction applicable to both rotary and non-rotary jigs, having a reciprocating wall portion (45) which includes convergent wall surfaces leading to the hutch chamber concentrate outlet (44).
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