Easily-openable closure for lap-seamed can

Details Easily-openable closure for lap-seamed can Easily-openable closure for lap-seamed can

B - Operations, Transporting

65

D

190/143

B65D 17/34 (2006.01) C08G 69/36 (2006.01)

Patent

CA 1281298

ABSTRACT OF THE DISCLOSURE An easily openable closure adapted to be fixed to a can body by lap seaming. The closure comprises a closure body of a rigid metallic material, a score formed therein reaching halfways in the thickness direction Or the metallic closure body for defining a portion to be opened, and an opening tab provided near a score shearing starting point through a bonding support. The bonding support is comprised of a polyamide-type adhesive containing 6.1 to 15.0 main-chain carbon atoms on an average per amide group and having a crystallinity Or 15 to 40 % and a dynamic modulus, determined at a temperature of 25 C and a relative humidity Or not more than 30 %, of 0.8 x 1010 to 3.3 x 1010 dynes/cm2.

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