Paper bag feeder for bag-filling operations and process

Details Paper bag feeder for bag-filling operations and process Paper bag feeder for bag-filling operations and process

1988-03-17

1989-06-20

Culver, Horace M.

Package making

Methods

Forming or partial forming a receptacle and subsequent filling

53573, 53386, B65B 4330, B65B 4318, B65B 3910

Patent

active

048400165

ABSTRACT:
Bags are fed individually along a linear path from an upright bag pack by front vacuum cups and after the leading bag has been separated from the pack, rear suction cups are engaged with the back of the leading bag. The front and rear suction cups are moved away from each other to enable a bag gripper to be inserted in its upper end after which the front suction cups are swung out of the bag path, the gripper is moved to move the leading bag past the front suction cups, the front suction cups are then swung back into the bag path, the rear suction cups are swung out of the bag path and the front suction cups are moved toward the bag pack to extract the next bag from the bag pack.

REFERENCES:
patent: 2950589 (1960-08-01), Litchard
patent: 3427780 (1969-02-01), Bock
patent: 3619981 (1971-11-01), Burke et al.
patent: 3750365 (1973-08-01), Darby et al.
patent: 3789573 (1974-02-01), Crabb
patent: 3830038 (1974-08-01), Propst
patent: 3844092 (1974-10-01), Stringer et al.
patent: 3884278 (1975-05-01), Nakashima

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