Classifying – separating – and assorting solids – Sifting – Elements
Patent
1989-12-08
1991-04-30
Hajec, Donald T.
Classifying, separating, and assorting solids
Sifting
Elements
291637, 209395, 2104971, B07B 146
Patent
active
050110233
ABSTRACT:
A conical element for filerting various substance and separating particles wherein a wire is wound in the form of a helix to form a helical slit between the adjoining peripheral margins of the wire thereby producing a linear treatment opening and increasing the area for filtering or separation to the utmost to improve the filtering or separation efficiency.
REFERENCES:
patent: 1644121 (1927-10-01), Greene
patent: 2346647 (1944-04-01), Bennison
patent: 3425561 (1969-02-01), Steele et al.
patent: 3630379 (1971-12-01), Shapples
patent: 4115278 (1978-09-01), Fritsch
patent: 4569763 (1986-02-01), Arai
Arai Machinery Corporation
Gossett Dykema
Hajec Donald T.
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