B - Operations – Transporting – 31 – B
Patent
B - Operations, Transporting
31
B
93/38, 93/60, 93
B31B 1/86 (2006.01) B31B 25/60 (2006.01) B65D 5/42 (2006.01) B65D 5/46 (2006.01) B65D 5/72 (2006.01)
Patent
CA 2011302
ABSTRACT A method of sealing at least one end of a liquids package, with a tube, a top with an opening apparatus and a bottom and at least some of the wall panels of the top consisting of synthetic plastics coated paper, cardboard or like carrier material, the edges of the wall panels of the top being connected to one another in sealing-tight manner by injection moulded bridges of synthetic plastics material, in which the tube, open at the top and bottom is in a first stage so laid flat in a plane that at least the top wall panel for the opening device is positioned in this plane whereupon at least the opening device is injection moulded into place, after which, in a second stage, the tube together with the opening device is unfolded and for at least one-sided sealing, its wall panels are folded over the produce the top, the synthetic plastics bridges being injection moulded between the thus disposed wall panels.
Aeschlimann Hans-Peter
Pascal & Associates
Tetra Laval Holdings & Finance Sa
LandOfFree
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