Joint on packing containers and a method and arrangement for...

Details Joint on packing containers and a method and arrangement for... Joint on packing containers and a method and arrangement for...

B - Operations, Transporting

65

D

190/84

B65D 8/18 (2006.01) B65D 5/42 (2006.01) B65D 5/56 (2006.01)

Patent

CA 1225049

ABSTRACT Joints in packing containers of heat-sealable gas-tight laminate are sensitive to deformation, since this often results in a deterioration of the gas-tightness. This is due to the accumulation of melted thermoplastics which is produced during the heat-sealing. The said weaknesses are eliminated in that the sealing zone of the joint is given a limited width and is placed at a distance from the edge of the laminate. A method and an arrangement for realizing this comprises a heating zone whose width is limited in relation to the width of the sealing jaws which are used for the sealing together of the material layers.

441496

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