Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Sorting lumber – logs – pipes – rails – or like items
Patent
1994-07-18
1995-03-28
Dayoan, D. Glenn
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Sorting lumber, logs, pipes, rails, or like items
209620, 209707, 209665, B07C 514
Patent
active
054009090
ABSTRACT:
Device to discard short bars shorter than a predetermined length from a plurality of bars being fed by feeder that comprise a plurality of first conveyor chains (14a) and a matching plurality of second conveyor chains (14b), on which the bars (11) are positioned perpendicular to the conveyor chains (14) and are fed in a direction at a right angle to the lengthwise extent of the bars (11), the downstream ends of the first conveyor chains (14a) and upstream ends of the second conveyor chains (14b) being progressively staggered so as to define a separation channel (13) positioned at an angle to the axis of feed of the bars (11), an angle of between 10.degree. and 45.degree. being defined between the separation channel (13) and the axis of the bars (11), the separation channel (13) cooperating with a bridge to support ends of bars of at least the predetermined length.
REFERENCES:
patent: 1499205 (1924-06-01), Ekstrom et al.
patent: 2901106 (1959-08-01), Aitilen
patent: 3467253 (1969-09-01), Rossi
patent: 3469690 (1969-09-01), Ervin
patent: 4143769 (1979-03-01), Ripple
patent: 4546886 (1985-10-01), Churchland et al.
patent: 4717027 (1988-01-01), Laure et al.
patent: 4742918 (1988-05-01), Doherty
Bordignon Giuseppe
Paolone Rolando
Tomat Ferruccio
Danieli & C. Officine Meccaniche SpA
Dayoan D. Glenn
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