Lid to hermetically seal a container and a method for making...

Details Lid to hermetically seal a container and a method for making... Lid to hermetically seal a container and a method for making...

B - Operations, Transporting

65

D

B65D 65/40 (2006.01) B65D 53/08 (2006.01)

Patent

CA 2127650

The disclosure herein describes a container lid which displays, on one face thereof, an annular pattern of separate bosses of thermoplastic adhesive, the bosses being so disposed relative to one another as to leave a gap therebetween whereby, when the lid is in a stacked dispensing relationship with similarly constructed lids, air presence is permitted between the edge of the lid to the center thereof thereby preventing surface adherence between successive lids as the lids are removed from the stack. On the other hand, the disposition and the volume of each boss are such that the thermoplastic adhesive covers the full pattern area as the lid is heat sealed to the rim of a container.

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