Packaging

Manufacturing container or tube from paper; or other manufacturi – Container making – Rigid container

Patent

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Details

229 17G, B31B 116

Patent

active

043325777

ABSTRACT:
A gable-topped, flat-bottomed carton has a side seam which, in a fin of the gable top closure, fits in a gap between respective junctions of two pairs of internal sub-panels of the fin. Two opposite external sub-panels of the fin have tabs for pulling to open the closure to form a spout. The seam edge of one oblique sealing sub-panel of the closure has a tab, with scorelines from the tab into that sub-panel, while the seam edge of the other oblique sealing sub-panel has a corresponding recess covered by the one oblique sealing sub-panel, so that pulling of the tab tears back the sub-panel portion between the scorelines to expose the recess. The flat bottom closure has at the free edge of its widest sub-panel a sealing projection of a width of about one third of that of the sub-panel to facilitate interdigitation of the blanks.

REFERENCES:
patent: 806230 (1905-12-01), Zahn
patent: 1143745 (1915-06-01), Bloomer
patent: 1253436 (1918-01-01), Smith
patent: 1882133 (1932-10-01), Fischer
patent: 2185544 (1940-01-01), Darragh
patent: 2272203 (1942-02-01), Hothersull
patent: 2363425 (1944-11-01), Klein
patent: 2581237 (1952-01-01), Casler
patent: 2661138 (1953-12-01), Leonard
patent: 2775388 (1956-12-01), Nerenberg
patent: 3270940 (1966-09-01), Egleston et al.
patent: 3365115 (1968-01-01), Pike
patent: 3389849 (1968-06-01), Egleston
patent: 4192446 (1980-03-01), Naito

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