The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 24, 2002
Filed:
Mar. 29, 1999
Tetra Laval Holdings & Finance SA, Pully, CH;
Abstract
An opening device ( ) attached at a hole ( ) in a top wall portion ( ) of a packaging container ( ) and positioned adjacent a fold line ( ) of the packaging container, including a base portion ( ) connected to the top wall at the hole, and a lid portion ( ) releasably connected to the base portion, in which the base portion has a portion ( ) protruding from a main circumferential portion ( ) towards the fold line ( ), for providing increased stability of the container during storage and transport. A tamper evidence protrusion ( ), also functioning as a pull tab for opening the lid portion, extends from the lid portion to be connected to an outer side ( ) of the top wall portion. A reduced thickness tearing edge ( ) is provided between the base portion and the lid portion for facilitating opening, and a bistable hinge ( ) releasably biases the lid portion to stably remain in an open position, for avoiding interference of the lid portion during product dispensing. The base portion has an upper ring portion ( ) and the lid portion has a lower ring portion ( ) which after the release of the lid portion from the base portion may be mutually intermated in a releasably locked manner, so as to reseal the opening device.