Envelopes – wrappers – and paperboard boxes – Paperboard box
Patent
1979-05-09
1980-11-04
Moorhead, Davis T.
Envelopes, wrappers, and paperboard boxes
Paperboard box
229 8, B65D 500, B65D 542
Patent
active
042315093
ABSTRACT:
A sheet-material blank is disclosed and a package which is made by folding of the blank. The package has two hollow tubular sections of triangular cross-section with the apices of the triangles being connected. The ends of the sections are closed by end walls formed by tabs of the blank.
REFERENCES:
patent: 1978396 (1934-10-01), Andavamis et al.
patent: 3044211 (1962-07-01), Palm
patent: 3185378 (1965-05-01), Rosemburg, Jr.
patent: 3194473 (1965-07-01), Rumberger
patent: 3397771 (1968-08-01), Fogle
patent: 3653576 (1972-04-01), Stramicky
patent: 3880342 (1975-04-01), Longo, Jr.
patent: 3884352 (1975-05-01), Pilz
Champion International Corporation
Moorhead Davis T.
Sommer Evelyn M.
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