B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
210/22
B65D 17/48 (2006.01) B65D 5/06 (2006.01)
Patent
CA 1186283
ABSTRACT OF THE DISCLOSURE The invention relates to an arrangement on parallel- epipedic packing containers of the type which comprises a sealing fin extending over the top end wall of the packing container, the packing container comprising a longitudinal overlap joint which in the region crosses the sealing fin. In the region of the sealing fin which is between the crossing point and the top of a triangular lug, which is connected with the tip end wall of the packing container, a strip is provided which consists of a central part, preferably of a non-extensible or only slightly extensible, material and outer coverings of thermoplastic which, on sealing of the fin, will fuse together with the inner plastic covering of the packing material in the fin. The packing container is adapt- ed to be opened by pulling upwards a part of the strip pro- jecting at the crossing point, so that the central layer of the strip is detached from the outer coverings and an empty- ing channel is formed.
418289
Marks & Clerk
Tetra Pak International Ab
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