Process for manufacturing a pouch-type form of packaging

Manufacturing container or tube from paper; or other manufacturi – Container making – Pliable container

Reexamination Certificate

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Details

C493S193000, C493S197000, C053S133100

Reexamination Certificate

active

11011155

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 the tetrahedral shaped pouch (10) is formed from the tube (13) by means of alternatingly 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 at 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 pouches (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′).

REFERENCES:
patent: 2942760 (1960-06-01), Schneider
patent: 2952394 (1960-09-01), Schneider, III
patent: 3038649 (1962-06-01), Rausing
patent: 3074612 (1963-01-01), Schneider, II
patent: 3083876 (1963-04-01), Scheider et al.
patent: 3612133 (1971-10-01), Jarund
patent: 3791570 (1974-02-01), Hopkins
patent: 3925959 (1975-12-01), Dykes et al.
patent: 4301927 (1981-11-01), Carlsson et al.
patent: 4644732 (1987-02-01), Morton
patent: 5312189 (1994-05-01), Aeschbach et al.
patent: 1065305 (1954-05-01), None
patent: 2686572 (1993-07-01), None
patent: 2000-72155 (1990-03-01), None
patent: 2005-271964 (2005-10-01), None
patent: WO 03/095327 (2003-11-01), None

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