Closure assembly and package

Details Closure assembly and package Closure assembly and package

B - Operations, Transporting

65

D

206/12, 206/22,

B65D 41/18 (2006.01) B65D 51/20 (2006.01)

Patent

CA 1054562

Abstract of the Disclosure A closure assembly is disclosed which includes a plastic sealing ring having an annular channel in it for receiving and sealing against the entrance mouth of a container, a metal foil line spanning the sealing ring and a flexible plastic overcap which receives the sealing ring and foil liner therein. The foil liner has a heat seal coating on one or both faces for sealing to the sealing ring and, in some packages, to the plastic overcap. The three-piece closure assembly is positioned on the entrance mouth of a container and the foil liner is induction heated to soften the heat seal coating thereon to seal the liner to the sealing ring. Induction heating may also be employed to adhesively join the foil line to the undersurface of the overcap and seal the sealing ring to a foil layer in the container body.

274973

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