Bag-forming and filling apparatus and process

Details Bag-forming and filling apparatus and process Bag-forming and filling apparatus and process

1988-11-14

1990-08-14

Coan, James F.

Package making

Methods

Forming or partial forming a receptacle and subsequent filling

53567, B65B 914

Patent

active

049476254

ABSTRACT:
The leading end of tubular bag-making material is clamped between presser rods externally of the tubular material and a distender within the tubular material, and the clamping rods are moved upward to draw a bag-making length of material. The upper end of such length of material is spread by resilient wires to receive clamping means between them. The gripping rods are then withdrawn from the distender which falls freely through the bag-making material while the gripping rods are moved downward preparatory to gripping the next length of bag-making material and the bottom of the first length of material is closed and severed to complete a bag.

REFERENCES:
patent: 2490940 (1949-12-01), Barker
patent: 3360901 (1968-01-01), Gallo
patent: 3812642 (1974-05-01), Mintz et al.
patent: 3908335 (1975-09-01), Giannelli
patent: 3931701 (1976-01-01), Bowman et al.

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