Packaging machine with reciprocating conveyor

Details Packaging machine with reciprocating conveyor Packaging machine with reciprocating conveyor

1993-05-03

1993-12-21

Culver, Horace M.

Package making

Progressively seamed cover web or web folds

With closing of web between package units

533745, 1983431, 198586, 1986265, 1988611, B65B 6128, B65B 5130, B65B 4112

Patent

active

052712109

ABSTRACT:
In a film packaging machine wherein a pair of sealing bars are caused to move linearly with said film so as to increase the sealing cycle time, a pair of control belts are mounted so as to reciprocate in unison with said sealing bars. The control belts, which are oriented vertically at opposite edges of a central product conveyor and adapted to grip a product being wrapped, are rotated from a drive apparatus mounted to the machine body at a speed which equals the linear speed of reciprocation. Thus, the control belts do not rotate when the reciprocating motion is in the same direction as the direction in which the film and product move, and rotate at double the linear speed of reciprocation when the reciprocating motion is in the opposite direction.

REFERENCES:
patent: 1586375 (1926-05-01), Metcalf
patent: 3075326 (1963-01-01), Waite
patent: 3344902 (1967-10-01), Crawford
patent: 3618740 (1971-11-01), Taverna
patent: 4553377 (1985-11-01), Klinkel
patent: 4870802 (1989-10-01), Cerf
patent: 5014496 (1991-05-01), Davis et al.
patent: 5237800 (1993-08-01), Omori

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