Gable-top container closure system

B - Operations – Transporting – 65 – D

Patent

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229/19.2

B65D 5/06 (2006.01)

Patent

CA 1316156

60557-3401 Abstract On a sheet material blank for constructing a sealed gable-top container with a thermoplastic inner surface coating responsive to a container sealing process, at least one stiffening fillet overlies a portion of, and is bonded to the inner surface of a pouring spout panels for simultaneously stiffening the over- lain panel to transfer applied opening forces therealong and for limiting the force required to open the container from the sealed condition. The fillet comprises a strip of material resistant to the temperature and pressure of the container sealing process and a layer of adhesive attached to one side of the strip and to the inner surface of the panel for bonding the strip thereto.

563590

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