Classifying – separating – and assorting solids – Plural – diverse separating operations – Including electrostatic
Patent
1977-05-19
1978-06-13
Lutter, Frank W.
Classifying, separating, and assorting solids
Plural, diverse separating operations
Including electrostatic
209 76, 209144, B07B 902, B07C 534
Patent
active
040947726
ABSTRACT:
A light refuse fraction including flat pieces of different rip resistance, such as relatively rip-resistant synthetic-resin foils and textiles and less rip-resistant paper, is separated by first suspending the material in a gas stream which is passed over an entrapment element. This entrapment element is so oriented that pieces of the material catch on it. The speed of the stream of gas relative to the entrapment element is such that the less rip-resistant pieces tear free from the entrapment element and the more rip-resistant pieces remain caught on it. Thereafter a stripper element serves to clear the more rip-resistant pieces off the entrapment element and segregate them from the less rip-resistant pieces. In this manner it is possible to recover from the light fraction separated out in a refuse-sorting plant the flat pieces of paper that are recycled for use in making paper products.
REFERENCES:
patent: 1153381 (1915-09-01), Gudmundsen
patent: 1827736 (1931-10-01), Coari
patent: 2151894 (1939-03-01), Cambessedes
patent: 3145937 (1964-08-01), Scovel et al.
Hillekamp Klaus
Kindler Hubert
Hill Ralph J.
Krauss-Maffei Aktiengesellschaft
Lutter Frank W.
Ross Karl F.
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