Process for producing a self-supporting package having an outlet

Details Process for producing a self-supporting package having an outlet Process for producing a self-supporting package having an outlet

1994-12-09

1997-03-04

Coan, James F.

Package making

Methods

Forming a cover adjunct or application of a cover adjunct to...

53DIG2, 531332, B65B 6100

Patent

active

056068441

ABSTRACT:
There is disclosed a process for producing a self-supporting package having an outlet stopper which comprises: (a) a process for supplying a self-supporting bag which has an opening part for filling contents at the top thereof and holding the bag at a vertical position, (b) a process for opening the opening part of the self-supporting bag, (c) a process for filling the self-supporting bag with contents, (d) a process for supplying an outlet stopper which has an outlet with a stopper on a ship-shaped flange to the opening part, and (e) a process for sealing the side faces of the ship-shaped flange of the main part of the outlet stopper to the inner side faces of the opening part of the self-supporting bag. These processes are conducted in the order of the processes (a), (b), (c), (d) to (e), consecutively. An apparatus comprising mechanisms corresponding to the processes (a) to (e) is also disclosed. The self-supporting package having an outlet stopper and filled with contents can be produced with high productivity. Shape of the self-supporting package can be freely selected. Sealing time is shorter than that of conventional heat sealing processes. The sealing can be surely achieved even when foreign substances are present on the face of sealing. The self-supporting package produced has excellent sealing stability and simple structure, is provided with an outlet stopper at the top of the package, and is easy for handling.

REFERENCES:
patent: 2723517 (1955-11-01), Mittelman
patent: 3717539 (1973-02-01), Roberts
patent: 4403465 (1983-09-01), Bachner
patent: 4512136 (1985-04-01), Christine
patent: 4517790 (1985-05-01), Kreager
patent: 4711693 (1987-12-01), Holze
patent: 4732299 (1988-03-01), Hoyt
patent: 4767492 (1988-08-01), Fukusima et al.
patent: 5058364 (1991-10-01), Seiden et al.
patent: 5110040 (1992-05-01), Kalbener et al.

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