Dispensing spout pre-forming system for pouch

Details Dispensing spout pre-forming system for pouch Dispensing spout pre-forming system for pouch

1987-01-02

1988-12-27

Culver, Horace M.

Package making

Methods

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

53453, 53128, 53554, 53559, 425389, 425521, 493189, B65B 6118, B65B 6100, B65B 4704, B65B 4708

Patent

active

047931213

ABSTRACT:
A pre-forming technique for web material utilized to make flexible pouches for fluent products comestibles and non-comestibles in form-and fill equipment of well known type characterized by the initial stretching displacement of each web from its normal plane and in a configuration corresponding to the ultimate spout configuration prior to forming of the pouch with the spout therein, thereby preventing undesired blockage of the spout by unintended adherence of the packaging film in the spout zone during sealing operations. The technique is especially desirable in pouches having a unique and complex reversely curved discharge passageway.

REFERENCES:
patent: 720718 (1903-02-01), Maddock et al.
patent: 2826025 (1958-03-01), Swartz
patent: 2886931 (1959-05-01), Karpowicz, Jr.
patent: 2948998 (1960-08-01), Pfeiffer
patent: 3228170 (1966-01-01), Eisenstadt
patent: 3354611 (1967-11-01), Powell
patent: 3423902 (1969-01-01), Stroop
patent: 3884012 (1975-05-01), Ernstsson et al.
patent: 4215524 (1980-08-01), Saylor
patent: 4364220 (1982-12-01), Rausing

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