Classifying – separating – and assorting solids – Sifting – Elements
Patent
1977-02-23
1978-10-17
Halper, Robert
Classifying, separating, and assorting solids
Sifting
Elements
209392, 209400, B07B 128
Patent
active
041207858
ABSTRACT:
A rubber screen for a vibratory screening apparatus comprises a plurality of first parallel rope members having suitable cross sectional shapes and arranged in a particle flowing direction, each of said first rope members having a tensile member composed of a strand of filament having a high elongation at break and an organic material having flexibility and/or elasticity and covering the tensile member, and a plurality of second parallel rope members having suitable cross sectional shapes and arranged in a direction normal to the first rope members, each of the second rope members having a tensile member of a material having a low elongation at break and an organic material having flexibility and/or elasticity and covering the tensile member, each point of intersection between the first and second rope members being suitably bonded.
REFERENCES:
patent: 703683 (1902-07-01), Vrooman et al.
patent: 1718386 (1929-06-01), Sherwood
patent: 2294966 (1942-09-01), Dreyfus
patent: 2332373 (1943-10-01), Dorough et al.
patent: 3012674 (1961-12-01), Hoppe
patent: 3134733 (1964-05-01), Rose
Characteristics and Uses of Kevlar 29 Aramid; Du Pont Preliminary Info Memo #375; Textile Fibers Dept., Sep. 28, 1976.
Arai Ryozo
Kanamori Katsuo
Sakurai Nobuo
Halper Robert
Hokanson Jon
Mitsuboshi Belting Limited
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