Package making – Closing packages and filled receptacles – Package or receptacle having closure flap – e.g. – carton...
Patent
1975-11-21
1977-05-17
Simpson, Othell M.
Package making
Closing packages and filled receptacles
Package or receptacle having closure flap, e.g., carton...
B65B 4914, B65B 4908, B65B 1112
Patent
active
040233308
ABSTRACT:
The present invention relates to method and apparatus for forming bundles of articles wrapped in a tubular wrapper including an upper panel having an upper flap at each end thereof, a bottom panel having a bottom flap at each end thereof, and a pair of opposed side panels, each having a side flap at the end thereof, and apparatus for forming an end closure at each end of the bundle, which includes a pair of folding wings for forming corner fold lines between the bottom flaps and their adjacent side flaps respectively, the fold lines at the time of their formation extending substantially parallel to the bottom panel, the folding wings also folding a portion of the side flaps inwardly, a folding shoe for folding the bottom flap inwardly to partially cover the side flaps, an adhesive nozzle for forming a line of adhesive extending across the bottom flap and partially across each of the side flaps, an upper flap forming shoe for completing the inward folding of the side flaps and for folding the upper flaps inwardly to engage the line of adhesive to seal the bundle; in another form of the invention each of the upper flap forming shoes includes a downwardly-forwardly angled inlet portion, a horizontal portion and a vertically disposed sidewall portion.
REFERENCES:
patent: 1539400 (1925-05-01), Neusbaum
patent: 2407313 (1946-09-01), Malhiot
patent: 2584529 (1952-02-01), Allen
patent: 2940236 (1960-06-01), Conti
patent: 3411268 (1968-11-01), Long
Culver Horace M.
Grimes Edwin T.
Simpson Othell M.
Terminal Paper Bag Co.
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