Tetrahedral top carton

Details Tetrahedral top carton Tetrahedral top carton

1997-08-14

2000-01-25

Elkins, Gary E.

Envelopes, wrappers, and paperboard boxes

Paperboard box

With closure for an access opening

229113, 22912504, B65D 4300

Patent

active

060169532

ABSTRACT:
The present invention is tetrahedral top carton and a blank therefor. The carton has at least a nine percent material savings over a traditional gable top carton containing an equal volume of product. The carton has a tetrahedral top structure formed from four top panels intersecting and sealed adjacently. The carton may have a fitment thereon for accessing the contents. The fitment may be placed on the pinnacle of the tetrahedral top structure or on a single top panel. The carton may have outward folded fins projecting from the intersection of the top panels, or the fins may be folded inward to create a diagonal crease/edge in the intersection between adjacent top panels. The carton may also have an overfolded bottom for reverse filling on a form, fill and seal packaging machine.

REFERENCES:
patent: 998309 (1911-07-01), Wormer
patent: 1100448 (1914-06-01), Delz
patent: 2345646 (1944-04-01), Williamson
patent: 2377533 (1945-06-01), Waters
patent: 2432462 (1947-12-01), Waters
patent: 2634815 (1953-06-01), Komeo
patent: 2980304 (1961-04-01), Sisco
patent: 4891929 (1990-01-01), Branchi
patent: 5001891 (1991-03-01), Abate
patent: 5033667 (1991-07-01), Abate
patent: 5248054 (1993-09-01), Berggren et al.
patent: 5704541 (1998-01-01), Mogard

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