Vertical form, fill and seal packaging machine with improved end

Details Vertical form, fill and seal packaging machine with improved end Vertical form, fill and seal packaging machine with improved end

1979-12-26

1981-09-29

Culver, Horace M.

Package making

Progressively seamed cover web or web folds

With closing of web between package units

53373, B65B 910, B65B 5130

Patent

active

042915201

ABSTRACT:
A vertical form, fill and seal packaging machine comprises a source of flexible packaging material, a tube former which receives the material and forms a depending upwardly open tube, a product dispenser above the former discharges measured quantities of product to the tube, a side sealer closes juxtaposed edges of the tube, a feeder draws the material through the former, and an improved end sealer and stripper has jaws which close horizontally about the tube to a partially closed position, a stripper means on the jaws clears and flattens the end seal area of the tube as the partially closed jaws are swung downwardly to an end sealing position, and the jaws thereafter close and seal the tube.

REFERENCES:
patent: 3027695 (1962-04-01), Leasure
patent: 3061989 (1962-11-01), Newell et al.
patent: 3220156 (1965-11-01), Hart et al.
patent: 3256673 (1966-06-01), Tew et al.
patent: 3685250 (1972-08-01), Henry et al.
patent: 4040237 (1977-08-01), O'Brien

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