Metal can ends with plastics closures

Details Metal can ends with plastics closures Metal can ends with plastics closures

B - Operations, Transporting

65

D

190/143, 206/74,

B65D 17/34 (2006.01) B65D 17/50 (2006.01)

Patent

CA 1306975

ABSTRACT METAL CAN ENDS WITH PLASTICS CLOSURES A metal can end with a one-piece tear-open closure of a polymeric material (e.g. a polyolefin or polyamide) moulded thereon so as to fill an aperture therein and to form a rim surrounding the aperture on the underside and a pull tab lying against the upper side of the can end, wherein the underside of the can end has a coating of a polymeric material bonded to the polymeric material of the rim and the upper side has a coating whose outer surface is of a different polymeric material which will not bond to the polymeric material of the closure, the materials of the coatings being chosen to be capable of being laminated simultaneously to the metal of the can end, e.g. by the use of bonding resins such as an acid-modified polyolefin resin.

579946

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