Envelopes – wrappers – and paperboard boxes – Wrapper – Bottle
Patent
1977-06-28
1978-12-12
Moorhead, Davis T.
Envelopes, wrappers, and paperboard boxes
Wrapper
Bottle
B65D 536
Patent
active
041292480
ABSTRACT:
Bottom parts, overlapping on a longitudinal median strip and connected at bending lines with the long sidewalls of a folding box, are attached to the short sidewalls by connection flaps which have triangular ears glued to the adjacent short sidewall halves. The triangular adhering ears are bounded by 45.degree. fold lines from the remainder of the connecting flap. The lower bottom part has a shallow oblique cutout at each end with its apex on the folding line between it and the connecting flap, so that the upper bottom part will ride on it easily as the box is set up while blunt corners on the leading edge of the oblique cut-out press in to provide snap action as the box is set up by inward pressure on the short sidewalls. In the folded condition, the sidewalls are folded together along the midline of the narrow walls. The two bottom parts are fastened together by a sticking strip edge along the middle. The lower bottom part bends on a folding line at the edge of this strip as the box is set up.
REFERENCES:
patent: 2066753 (1937-01-01), Weiss
patent: 2331582 (1943-10-01), Trost
patent: 2472698 (1949-07-01), Edtmiller
patent: 2572123 (1951-10-01), Edtmiller
patent: 2593773 (1952-04-01), Leukoff
patent: 2634900 (1953-04-01), Leukoff
patent: 3942711 (1976-03-01), Desmond et al.
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