Manufacturing container or tube from paper; or other manufacturi – Container making – Pliable container
Reexamination Certificate
2008-01-01
2008-01-01
Desai, Hemant M. (Department: 3721)
Manufacturing container or tube from paper; or other manufacturi
Container making
Pliable container
C493S193000, C493S197000, C053S133100
Reexamination Certificate
active
07314439
ABSTRACT:
A process for manufacturing a tetrahedral-shaped pouch (100from a flexible strip of film material is such that a tube (13) is formed from a strip (32) in a continuous manner involving the creation of a longitudinal sealing seam (12), and a tetrahedral shaped pouch (10) is formed from the tube (13) by means of alternating forming a first transverse sealing seam (14) running transverse to the longitudinal seam (12) and second transverse sealing seam (16) running essentially perpendicular to and a distance from the first transverse seam (14), whereby the second transverse seams (16) are situated in the region of a tetrahedral corner (18) of the pouch (10), such that an essentially tube outlet part (20) for pouring that is closed as its free end (22) is formed projecting out from the pouch (10). The second transverse seams (16) are positioned such that the outlet parts (20, 20′) projecting out from two neighboring tetrahedral shaped pouched (10, 10′) are delimited by regions (16a, 16a′) of neighboring transverse sealing seams (16, 16′) that are arranged spaced apart from each other and their free ends (22) lie facing each other separated by a common part (16b) of the transverse sealing seams (16, 16′).
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Bossel Daniel
Kanscar Peter
Mbiti Kyeni
Willemse Jochem
Alcan Technology & Management Ltd.
Desai Hemant M.
Fisher Christen & Sabol
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