Plastic bucket with lid and sealing lip

Details Plastic bucket with lid and sealing lip Plastic bucket with lid and sealing lip

1998-01-26

1999-10-05

Cronin, Stephen K.

Receptacles

Closures

With closure opening arrangements for means

220780, 220793, B65D 4132

Patent

active

059609796

ABSTRACT:
Plastic bucket provided with a lid, the bucket having a single upper edge, a circumferential rib, and a depending edge connecting to the circumferential rib, the circumferential rib and the depending edge having such a profile that in sealed condition gripping the free lower edge of the lid is impossible. After removal of the sealing lip, gripping the free lower edge of the lid at the sealing position is possible in that the shape of the circumferential rib, and the depending edge connecting thereto, at the sealing position deviates from the shape thereof at the other circumferential positions, this deviating shape, however, in each case being such that the circumferential rib, throughout the circumference and hence also at the sealing position, extends adjacent to the upper edge of the bucket, so that the stiffness of the bucket is substantially the same throughout the circumference thereof.

REFERENCES:
patent: 5027969 (1991-07-01), Lesquir
patent: 5224617 (1993-07-01), Gaudreault
patent: 5303839 (1994-04-01), Blumenschein
patent: 5307948 (1994-05-01), Blackburn et al.
patent: 5411160 (1995-05-01), Goulet et al.
patent: 5437386 (1995-08-01), Von Holdt
patent: 5785203 (1998-07-01), Arshinoff et al.

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