Classifying – separating – and assorting solids – Sifting – Elements
Patent
1974-12-19
1976-03-09
Lutter, Frank W.
Classifying, separating, and assorting solids
Sifting
Elements
209393, 209397, B07B 146
Patent
active
039430545
ABSTRACT:
A segmented screen body or bottom for classification, screening and washing of fragmented hard stocks employs a multiplicity of segmented elements constructed of elastomer or rubber material which, when abutted and supported in predetermined relations, define sieve apertures of a predetermined size and extending, if desired, in staggered longitudinal rows. The structure further requires a multiplicity of parallel transverse metal wires or equivalent elements which are embedded and extend through appropriate apertured portions of the elastic components. In the preferred form the essential elements include T-shaped and L-shaped elements, all of which may be obtained from identical integral moldings of T-shape and many of which are cut along transverse lines at the T-top to provide from the same moldings complementary L-shaped elements.
REFERENCES:
patent: 444252 (1891-01-01), Palm
patent: 647399 (1900-04-01), Geske et al.
patent: 2706048 (1955-04-01), Riedel
patent: 2883052 (1959-04-01), Shovlain
patent: 3334744 (1967-08-01), James et al.
patent: 3833120 (1974-09-01), Ogata
Durex Products, Inc.
Hill Ralph J.
Lutter Frank W.
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