B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
154/53.05, 190/4
B29D 22/00 (2006.01) B29C 65/00 (2006.01) B29C 69/00 (2006.01) B65D 3/04 (2006.01) B29C 65/08 (2006.01)
Patent
CA 1157362
ABSTRACT The invention relates to a method for the manu- facture of packing containers, the container body of the packing container being manufactured by spiral winding of a monoaxially molecular-oriented polyester film. The said polyester film is spirally wound onto a mandrel to form a tube, the edge zones of successive turns of the strip over- lapping in a continuous joint, within which the material is sealed by means of surface fusion. The invention also relates to a packing container manufactured in accordance with the method.
362884
Nilsson Erling I.
Rausing Anders R.
Marks & Clerk
Tetra Pak Developpement Sa
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