Folding paperboard tray

Details Folding paperboard tray Folding paperboard tray

1996-02-29

1997-06-17

Elkins, Gary E.

Envelopes, wrappers, and paperboard boxes

Paperboard box

A sidewall includes a folded lateral extension of an...

229190, B65D 522

Patent

active

056390190

ABSTRACT:
This invention relates to the improvement in an erectable tray which is formed from a single blank of material. Co-operating flaps and tabs at the corners of the erected sidewalls provide positive latching to complete the assembly of the tray. The blank may comprise, paperboard, corrugated cardboard, or a cor plast material.

REFERENCES:
patent: 369688 (1887-09-01), Buckingham
patent: 2642218 (1953-06-01), Platt
patent: 2809776 (1957-10-01), Barrington et al.
patent: 2833459 (1958-05-01), Greene
patent: 3335935 (1967-08-01), McCallum
patent: 3425543 (1969-02-01), Harvey
patent: 3616989 (1971-11-01), Martinek et al.
patent: 4133430 (1979-01-01), Cravens
patent: 4573633 (1986-03-01), Brian
patent: 4844331 (1989-07-01), Oldfather
patent: 5402932 (1995-04-01), Fadaie

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