Molded paper pulp container

Details Molded paper pulp container Molded paper pulp container

1979-11-13

1981-07-28

Moorhead, Davis T.

Envelopes, wrappers, and paperboard boxes

Paperboard box

Box material includes a coating or a nonpaperboard...

206520, 206519, B65D 2102, B65D 136

Patent

active

042806488

ABSTRACT:
A molded paper pulp container comprising a pocketed section mutually hinged to a flat bottom cover section, both said sections comprising tapered walls bordering on said hinge, the external surfaces of said tapered walls bordering on said hinge comprising projecting abutting elements cooperating together to limit the inverted folding around said hinge. The molded paper pulp containers, mainly egg cartons, may be stacked in their flat open condition with the bottoms of the cover sections of a number of stacked containers maintained parallel thus allowing easy unstacking by mechanical devices such as suction-cups equipped unstackers.

REFERENCES:
patent: 2420215 (1947-05-01), Wiley
patent: 3286833 (1966-11-01), Chadbourne
patent: 3442420 (1969-05-01), Edwards
patent: 3539552 (1970-11-01), Mounts et al.
patent: 3963172 (1976-06-01), Holzwarth et al.
patent: 4081123 (1978-03-01), Reifers
patent: 4127189 (1978-11-01), Shumrak
patent: 4156483 (1979-05-01), Day

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