Package making – With cover-adjunct application or formation – Adjunct comprising provision to secure cover
Patent
1987-10-02
1989-03-21
Sipos, John
Package making
With cover-adjunct application or formation
Adjunct comprising provision to secure cover
53583, 53170, B65B 5106
Patent
active
048132071
ABSTRACT:
This invention is directed to a novel bag sealing machine. More particularly, this invention is directed to a novel machine which can be used for sealing and securing bags which are loaded and held in boxes. The bags in the boxes are loaded from the top with a designated product before the opening at the top of the bag is sealed by the machine. A bag sealing apparatus comprising: (a) conveyor means for conveying through the apparatus a loaded bag which has an opening at the top of the bag; (b) upwardly bag wall forcing means for forcing the open end of the bag upwardly into gripping means, said gripping means drawing the gripped portion of the bag together to accumulate the gripped portion of the bag into a neck-like portion; (c) bag side support means located downstream from the upwardly bag wall forcing means for supporting the side of the bag and drawing it in a downstream direction along the conveyor means; (d) neck accepting and accumulating means located downstream from the upwardly bag wall forcing means for accepting and accumulating the neck of the bag as formed by the gripping means upstream; and, (e) means for applying a fastening means about the circumference of the accumulated neck of the bag after it has been accepted by the neck accepting and accumulating means.
REFERENCES:
patent: 1551525 (1925-08-01), Hamer
patent: 2867067 (1959-01-01), Platt
patent: 3648432 (1972-03-01), Zellmer
patent: 4364511 (1982-12-01), Wittern
patent: 4621479 (1986-11-01), Hoyland
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