Package making – Methods – With contents treating
Patent
1988-11-22
1989-12-05
Culver, Horace M.
Package making
Methods
With contents treating
53440, 53529, 53127, 100 93RP, 100173, 100176, 264345, 241 99, 241100, 241 67, B65B 6302, B65B 6308, B65B 1320
Patent
active
048843865
ABSTRACT:
A system for recovering, selecting and recycling empty containers returned after use which includes two specific sequences. In the first sequence, a container (4) passes a door (2) to remove material of a different type, while the accepted product activates a microswitch (9) for counting and activating a warming device to blow in hot air onto the same material which is thus softened; the container is then pushed between a motor driven heated pressing roll (18) with tension supplied by sliding contacts (22) to carry out a compact and permanent pressing by using pressing-welding points and another inertia roller (19). Knives (24) cooperate with the two rollers to ensure the separation. In the second sequence or selection phase, recovered bodies (29), are applied from hopper (30) and fall onto a feeding system with vibrating canals, to maintain the containers individually; photocells (34) check that no superpositions occur. X-ray source (36) is then used to send rays which are partially absorbed by the recovered bodies (29); this allows a sensor (37) to determine the typology of the same body; a microprocessor (38) then carries out the elaboration of the signal and determines the direction into which the recovered body (29) is to be sent and discharged by means of two belts (40,41).
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Culver Horace M.
Govoni SpA
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