Packaging machine equipped with an improved welding and cutting

Details Packaging machine equipped with an improved welding and cutting Packaging machine equipped with an improved welding and cutting

1989-02-24

1990-10-23

Spruill, Robert L.

Package making

Progressively seamed cover web or web folds

With closing of web between package units

53372, 53373, B65B 706, B65B 5122

Patent

active

049642634

ABSTRACT:
A packaging machine, in which the packaging is carried out of products fed by free-falling inside a cradle-shaped length of a packaging material, which is provided with a welding/cutting device for welding and cutting opposite edges of packaging material, is capable of accomplishing a continuous weld on three sides of the product-containing packaging material, and of removing ear-shaped scrap portions of said packaging material, generated by the weld.

REFERENCES:
patent: 3011295 (1961-12-01), Brugger
patent: 3273307 (1966-09-01), Burt
patent: 3333395 (1967-08-01), Doucette et al.
patent: 3340678 (1967-12-01), Rhodes
patent: 3665673 (1972-05-01), Billet et al.
patent: 3748811 (1973-07-01), Cox
patent: 3991540 (1976-11-01), Ballestrazzi et al.
patent: 4115182 (1978-09-01), Wildmoser
patent: 4182096 (1980-01-01), Ballestrazzi et al.
patent: 4683708 (1987-08-01), Linder

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