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US 4,283,002 AGranted
Self opening carton
AssigneeChampion International Corporation
InventorDuane R. Mode
Life of this patent
Estimating the term…
Abstract
A self opening container which is shipped in a flat condition and erected with one hand without manual contact with the inner container surfaces. By applying a force to the sides of the flat package, the cover and base separate and the end walls of the base lock into an opening in the cover to provide a three dimensional container.
Claims5
A container for being shipped as a flat package and erected to form a three dimensional container by applying a force to the sides of said flat package comprising:
- a. a base,
- b. a cover connected to and superimposed over said base to form a flat, rectangular package for shipping, said cover being integrally formed with said base and including an opening for introducing products into said container when in the erected state, and
- c. means formed with said base and said cover in operative relationship to form a three dimensional container from said flat package when force is applied to the side edges of said flat package, said three dimensional forming means comprising:
- 1. end walls formed in said base,
- 2. a lip projecting from the outer edge of each end wall,
- 3. side walls formed in said base,
- 4. a web formed in said base and hingedly connecting each corner formed by a side wall and an adjacent end wall, and
- 5. a guide panel formed with each end of said cover and each folded under said cover to overlap a portion of each of said end walls whereby said end wall panel lip is forced upwardly as said cover and base separate when a force is applied to the side edges of said flat package thereby forming a three dimensional container.
5 more elements
Dependencies are inferred from the claim text.