Folding box having a rectangular liquid-tight cemented bottom

Details Folding box having a rectangular liquid-tight cemented bottom Folding box having a rectangular liquid-tight cemented bottom

1976-03-24

1976-12-21

Moorhead, Davis T.

Envelopes, wrappers, and paperboard boxes

Paperboard box

Box material includes a coating or a nonpaperboard...

229 17R, B65D 506

Patent

active

039983781

ABSTRACT:
A folding box having a liquid-tight sealed bottom of substantially rectangular configuration, the bottom being formed of first and second facing pairs of panels of the end section of the box wall which end section is not slit about its entire periphery, the pairs of panels being folded down on one another at 90.degree. to the longitudinal axis of the box, the first pair of panels each including a triangular area and two additional areas forming a folding pocket with the two additional areas lying over the triangular area, a fillet seam lying flat along the box bottom and formed of a narrow strip about the entire end section of the box wall, the central area of the bottom being arched toward the inside of the box, the box including a pair of parallel ridges at the sides of the bottom defining the second pair of panels, the ridges being elevated relative to the bottom in inverted position and tapering toward the first pair of panels. The invention also extends to a blank for forming such box, provided with suitable score lines.

REFERENCES:
patent: 2032343 (1976-03-01), Arthur
patent: 2135855 (1938-11-01), Snyder
patent: 3066844 (1962-12-01), Moore
patent: 3147904 (1964-09-01), Larson
patent: 3232516 (1966-02-01), Arslanian
patent: 3421678 (1969-01-01), Thompson et al.
patent: 3715576 (1973-01-01), Goebel
patent: 3827623 (1974-08-01), Arneson
B 461,257 Jan. 1976, Larson et al., 229/DIG. 4.

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