Envelopes – wrappers – and paperboard boxes – Wrapper – Bottle
Patent
1978-06-21
1980-12-16
Spruill, Robert Louis
Envelopes, wrappers, and paperboard boxes
Wrapper
Bottle
229 23R, 229 52B, 229 41B, 206200, B65D 536
Patent
active
042391466
ABSTRACT:
A collapsible box has foldable wall-and-bottom assemblies which are connected to opposite sides of a central partition wall. Each wall-and-bottom assembly includes a main wall, a bottom panel pivoted to the lower edge of the main wall, and foldable sidewalls having one edge pivoted to the side edges of the main wall. The opposite edges of the foldable sidewalls are pivotally but detachably connected to the central partition wall.
REFERENCES:
patent: 1051274 (1913-01-01), Schmall
patent: 1620585 (1927-03-01), Walther
patent: 3971468 (1976-07-01), Helms et al.
Lin K. Y.
Spruill Robert Louis
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