Envelopes – wrappers – and paperboard boxes – Paperboard box – Adjacent sidewalls connected by a folded web unitary with both
Patent
1988-04-27
1989-05-23
Elkins, Gary
Envelopes, wrappers, and paperboard boxes
Paperboard box
Adjacent sidewalls connected by a folded web unitary with both
206427, 229 40, B65D 524
Patent
active
048322571
ABSTRACT:
A tray formed from paperboard includes a quadrilateral main panel having right angle corners, a pair of end panels foldably joined respectively to opposite end edges of the main panel, a pair of side panels foldably joined respectively to opposite side edges of the main panel, a major web panel foldably joined to each end edge of each of said end panels, a minor web panel foldably joined to each end edge of each side panel, each major and each minor web panel being foldably joined to each other at each corner of the main panel along a common fold line, each major web panel having a major angle of approximately fifty-seven degrees defined by the common fold line and by the adjacent end edge of the associated end panel and each minor web panel having a minor angle defined by its common fold line and by the adjacent end edge of the associated side panel, the side and end panels being approximately perpendicular to the main panel and the major and minor web panels being disposed in the flat face contacting relation to each other, and adhesive means securing a part of each major web panel to the end of the associated side panel so as to secure the associated minor web panel therebetween.
REFERENCES:
patent: 742159 (1903-10-01), Burton
patent: 1148219 (1915-07-01), Cornell
patent: 1423001 (1922-07-01), Maxwell
patent: 1498375 (1924-06-01), Helfrich
patent: 3454209 (1969-07-01), Persson
patent: 3976241 (1976-08-01), Bemiss
patent: 4128169 (1978-12-01), Arneson
patent: 4451001 (1984-05-01), Webinger
patent: 4582199 (1986-04-01), Schuster
Elkins Gary
The Mead Corporation
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