Packaging tray with thick, curvilinear perimeter edges

Details Packaging tray with thick, curvilinear perimeter edges Packaging tray with thick, curvilinear perimeter edges

1993-02-12

1993-11-30

Moy, Joseph Man-Fu

Receptacles

One-piece, reinforced open end edge

Molded

206557, 206497, B65D 742, B65D 134

Patent

active

052657566

ABSTRACT:
A packaging tray formed of expanded polystyrene foam sheet material, having thick, curvilinearly interrupted perimeter edges. The edges are at least 10% thicker than the cross-sectional thickness of the major portions of the associated side walls of the tray. The perimeter edges are curvilinearly interrupted at at least two regular intervals along each side wall. The walls of the tray form corners which rise from the margins of the bottom panel of the tray at angles which can be greater than the angles at which the side walls rise from the bottom panel margins.

REFERENCES:
patent: 3578204 (1971-05-01), Bloch et al.
patent: 3672538 (1972-06-01), Wiedemann
patent: 4048760 (1977-09-01), Dantzer et al.
patent: 4355755 (1982-10-01), Faller
patent: 4364477 (1982-12-01), Stromberg

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