Folding box construction

Details Folding box construction Folding box construction

1987-04-29

1989-01-03

Little, Willis

Envelopes, wrappers, and paperboard boxes

Wrapper

Bottle

229 41R, 229 23BT, B65D 536

Patent

active

047950854

ABSTRACT:
A folding box is constructed in which there are end flaps on certain of the edge panels glued to adjacent edge panels so that the end flaps have free bottom edges. When folded, the edge panels overlie a central panel and the end flaps fit beneath certain edge panels with their bottom edges at the bases of the bends. When unfolded, the edge panels are held in an upstanding relationship with the central panel by the bottom edges of the end flaps. Reverse scores are provided to enable bending of the edge panels from which the end flaps project. As a result, there is no protrusion into the base of the bend and it is not necessary to recess the bottom edges of the end flaps, so that the latter can support the edge panels in a nearly perpendicular relationship with the central panel.

REFERENCES:
patent: 1311047 (1919-07-01), Cole
patent: 1357519 (1920-11-01), Russell
patent: 1738744 (1929-12-01), Walter
patent: 2141438 (1938-12-01), Hirsch
patent: 2581105 (1952-01-01), Hunsworth
patent: 2620117 (1952-12-01), Nemoede
patent: 2650751 (1953-09-01), Goers
patent: 2936941 (1960-05-01), Lewis
patent: 4474324 (1984-10-01), Forbes, Jr.
patent: 4531669 (1985-07-01), Osborne

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