Package liner forming and feeding apparatus

Details Package liner forming and feeding apparatus Package liner forming and feeding apparatus

1974-11-29

1976-09-07

Coan, James F.

53157, 93 49R, 93 53SD, B31B 104, B31D 304

Patent

active

039787737

ABSTRACT:
The liners are formed from flat corrugated paper sheets that are stored on edge in a magazine. A vacuum picker transfers single sheets to a conveyor and they are creased on the upper surface by disc blades. The creased sheets are fed between narrow upper and lower conveyor belts and drawn through plow elements which fold the sheets to form liners. The formed liners are carried by gripping heads of an overhead chain conveyor to a constantly moving bucket conveyor. The axis of the chain conveyor is set at an acute angle to the axis of the bucket conveyor and the gripping heads are rotated by cam elements to align the liners with the conveyor buckets.

REFERENCES:
patent: 2623442 (1952-12-01), Thaxton
patent: 2709399 (1955-05-01), Smith
patent: 3162099 (1964-12-01), Currie et al.
patent: 3797197 (1974-03-01), Fluck

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