B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
190/137.6
B65D 47/36 (2006.01) B65D 5/70 (2006.01)
Patent
CA 1106298
ABSTRACT The disclosed opening structure provides, preferably in a top panel of a one-way packaging container, a pour opening which can be reclosed after the initial opening. After a portion of a strip of web material loosely posi- tioned on the panel has been loosely secured to the panel surface, a pour opening area is defined within the secured strip portion by applying a cut or weakening line forming a boundary. The pour opening area of the panel is retained in its original position in the panel. Then the second, unsecured portion of the strip is folded back over the first portion to cover that portion with the pour opening area. Securing zones are produced to secure the second strip portion to the panel both within the pour opening area and a surrounding region. Thereby a hermetically sealed opening structure is obtained on the packaging container. The pour opening is uncovered by lifting the second strip portion so that the cut-out section of the panel is removed. After the desired quantity of the contents of the container has been discharged, the second strip portion and the cut-out section of the panel attached thereto is folded back over the pour opening so that snap-action engagement of the edges of the cut-out panel section with the edges of the pour opening results in a closure which, although no longer hermetically sealed, is mechanically secured.
325576
Marks & Clerk
Tetra Pak Developpement Sa
LandOfFree
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