Disposable cardboard plates

Details Disposable cardboard plates Disposable cardboard plates

1974-08-05

1976-02-17

Moorhead, Davis T.

Envelopes, wrappers, and paperboard boxes

Paperboard box

Box material includes a coating or a nonpaperboard...

D7 1, D7 36, B65D 142, B65D 134

Patent

active

039387275

ABSTRACT:
A disposable cardboard plate having an origamically corrugated brim including ridges and intervening grooves. The plate has been pressed from a flat cardboard blank to form inclined end walls at the outer ends of the grooves between the ends of adjacent ridges, and a flat edge flange extending continuously around the plate to lock the corrugations in their predetermined configuration, together with said end walls.

REFERENCES:
patent: 192955 (1977-07-01), Van Skelline
patent: 2296808 (1942-09-01), Chaplin
patent: 2738915 (1956-03-01), St. Clair
patent: 3098597 (1963-07-01), Johnson et al.
patent: 3104776 (1963-09-01), Bostrom
patent: 3459356 (1969-08-01), Sparks

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