Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means
Patent
1977-04-07
1980-01-08
Knowles, Allen N.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Condition responsive means controls separating means
209927, B07C 5344
Patent
active
041824520
ABSTRACT:
An arrangement for sorting cops in which the latter are provided with premarked spintubes and are guided past a detection system which registers the presence or absence of detection rings on the premarked spintubes in the form of signals. Cops which do not satisfy a required pattern of marks, are rejected. The spintubes are provided with detection rings of a material which is different from that of the tube itself. The detection rings may also be of a different material thickness than the remainder of the spintube. The detection rings, moreover, may be made of metal, and a magnetic field or a high-frequency signal may be used in conjunction with the detection system. The metal may be in the form of iron, copper or aluminum.
REFERENCES:
patent: 3021949 (1962-02-01), Hogg et al.
patent: 3033367 (1962-05-01), Gumpertz
patent: 3307694 (1967-03-01), Selwood et al.
patent: 3563376 (1971-02-01), Zegna
patent: 4050010 (1977-09-01), Isnard
Knowles Allen N.
Three Parks Limited
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