Polygonal paperboard drum

Details Polygonal paperboard drum Polygonal paperboard drum

1979-04-20

1982-07-27

Moy, Joseph Man-Fu

Envelopes, wrappers, and paperboard boxes

Paperboard box

229416, 220418, 220408, B65D 535, B65D 1300

Patent

active

043413374

ABSTRACT:
A polygonal paperboard drum that is formed from: a one-piece, upstanding, generally tubular, reinforcing member having at least six, foldably connected, substantially rectangular, upstanding, reinforcing flaps; and a one-piece body member having two sets of at least three, substantially rectangular, foldably connected, upstanding, side wall panels and a polygonal bottom panel of at least four sides, formed from two foldably connected polygonal bottom flaps and connected along its opposite sides to the central side wall panel of each set of side wall panels; the sets of side wall panels being located on opposite sides of the tubular reinforcing member and the side wall panels being bonded to the reinforcing flaps; the upstanding lateral sides of the sets of side wall panels being in substantially abutting relationship about the foldable connection between reinforcing flaps; and the upstanding lateral sides of the reinforcing member being in substantially abutting relationship about the foldable connection between side wall panels.
Provided in the drum is a bottom insert having a central polygonal bottom reinforcing flap of at least four sides, overlying substantially the entire bottom panel and provided on each side with an upstanding flap.
The reinforcing member and the body member are adapted to form a collapsed drum envelope, from which an erect and stable, polygonal drum can be formed by providing the bottom reinforcing flap in overlying relationship to the bottom panel of the body member.

REFERENCES:
patent: 1136479 (1915-04-01), Motz
patent: 1971863 (1934-08-01), Lupton
patent: 2019787 (1935-11-01), Leopold
patent: 2922562 (1960-01-01), Pellaton
patent: 3007622 (1961-11-01), George
patent: 3204849 (1965-09-01), Vinney
patent: 3559867 (1971-02-01), Muskopi et al.
patent: 3643856 (1972-02-01), Jones
patent: 3873017 (1975-03-01), Blatt

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