Package making – With means responsive to a sensed condition – Of receptacle or cover feed or adjunct feed or application
Patent
1981-08-03
1984-02-21
Coan, James F.
Package making
With means responsive to a sensed condition
Of receptacle or cover feed or adjunct feed or application
141114, 141314, 53266R, 53386, 53573, B65B 4318
Patent
active
044321864
ABSTRACT:
Apparatus for filling bags and providing completely controlled handling of bags from pickup through their movement to a bag closing station. A pair of elongated forming bars supported for up and down movement and traversing movement between a bag filling hopper and a laterally spaced bag closing station grip, flatten, and assist in forming gusseted bags after filling while the bags are still clamped on a filling spout, and thereafter controllably lower the filled bags to a conveyor and support the bags on the conveyor in traversing movement to a final bag closing station. A pair of gusset arm assemblies supported for lateral shifting movement on opposite sides of a filling spout each include a pair of gusset clamping fingers which are disposed inside of the mouth of a bag during filling. The clamping fingers are actuated in a predetermined sequence to hold and form the gusset pleats of the bag while permitting the bag to be opened over its full width during the filling operation. Accurate closing is assured by continuous gripping of the bag at all times.
REFERENCES:
patent: 3423903 (1969-01-01), Miller, Jr.
patent: 3673759 (1972-07-01), Ayres et al.
patent: 3830038 (1974-08-01), Propst
patent: 3884278 (1975-05-01), Nakashima
patent: 3989073 (1976-11-01), Remmert
patent: 4310037 (1982-01-01), Seals
patent: 4322932 (1982-04-01), McGregor
patent: 4334558 (1982-06-01), Durant
patent: 4345629 (1982-08-01), Inglett, Jr.
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