Comestible pouch material having preformed spout zone

Details Comestible pouch material having preformed spout zone Comestible pouch material having preformed spout zone

1988-11-21

1990-06-19

Seidleck, James

Stock material or miscellaneous articles

Structurally defined web or sheet

Nonplanar uniform thickness material

222107, 222575, 383906, 428 352, 428 355, 428178, B65D 3550

Patent

active

049352830

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: 3917116 (1975-11-01), Mason
patent: 4275840 (1981-06-01), Staar
patent: 4491245 (1985-01-01), Jamison

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