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US 7,255,231 B2Granted
Egg carton
AssigneePactiv Corporation
InventorsAlan P. Andrews, David Furstoss
Life of this patent
Estimating the term…
Abstract
An egg carton comprises a base having a plurality of egg cells, the base being attached to a lid and locking flap by at least one hinge member. The lid has a plurality of closing apertures adapted to receive a plurality of buttons located on the locking flap. The lid further has an outer closure mechanism adapted to interlock with an inner closure mechanism located on the locking flap. The egg carton may also be equipped with a venting system.
Claims18
A two-way locking mechanism for a container comprising:
- a locking flap having a plurality of buttons and an inner closure mechanism containing an inwardly recessed pocket and an outwardly extending member located above the inwardly recessed pocket;
- a lid having a plurality of closing apertures adapted to receive the plurality of buttons, and further having an outer closure mechanism having an inwardly extended member adapted to be received by the inner closure mechanism of the locking flap;
- wherein;
- the plurality of buttons extend from the locking flap in a first direction and the outer closure mechanism extends from the lid in a second direction opposite the buttons when the locking mechanism is in a locked position;
- and
- the outwardly extending member of the inner closure mechanism of the locking flap is aligned above the inwardly extending member of the lid when the inwardly extending member of the lid is received by the inwardly recessed pocket.
3 more elements
An egg carton with a two-way locking mechanism comprising:
- a base having a plurality of egg cells;
- a locking flap attached to the base by at least one hinge, the locking flap having a plurality of buttons and an inner closure mechanism containing an inwardly recessed pocket and an outwardly extending member located above the inwardly recessed pocket;
- a lid attached to the base by at least one hinge, the lid having a plurality of closing apertures adapted to receive the plurality of buttons, and further having an outer closure mechanism having an inwardly extended member adapted to be received by the inner closure mechanism of the locking flap;
- wherein:
- the plurality of buttons extend from the locking flap in a first direction and the outer closure mechanism extends from the lid in a second direction opposite the buttons when the locking mechanism is in a locked position;
- and
- the outwardly extending member of the inner closure mechanism of the locking flap is aligned above the inwardly extending member of the lid when the inwardly extending member of the lid is received by the inwardly recessed pocket.
4 more elements
A method for securing a container having a two-way locking mechanism comprising the steps of:
- positioning a locking flap in a substantially upright position, the locking flap having a plurality of buttons and an inner closure mechanism containing an inwardly recessed pocket and an outwardly extending member located above the inwardly recessed pocket;
- moving a lid toward the upright lock flap, the lid having a plurality of closing apertures adapted to receive the plurality of buttons, and further having an outer closure mechanism having an inwardly extended member adapted to be received by the inner closure mechanism of the locking flap;
- inserting the plurality of buttons into the plurality of closing apertures;
- and
- closing the container by interlocking the outer closure mechanism.and the inner closure mechanism, wherein the plurality of buttons extend in a first direction and the outer closure mechanism extends in a second direction approximately opposite the buttons;
- and the outwardly extending member of the inner closure mechanism of the locking flap is aligned above the inwardly extending member of the lid when the inwardly extending member is received by the inwardly recessed pocket.
3 more elements
Dependencies are inferred from the claim text.