Dispenser unit, process for manufacturing the same and its use

Details Dispenser unit, process for manufacturing the same and its use Dispenser unit, process for manufacturing the same and its use

1998-11-03

2000-10-03

Dye, Rena L.

Stock material or miscellaneous articles

Hollow or container type article

Nonself-supporting tubular film or bag

428 354, 428 3691, 428217, 383 26, 383 28, 383109, 383114, 383116, 383906, 222 92, 222104, 604403, 604408, 15624413, 15624417, 15624424, B65D 3008, B65D 3510, B29C 4700

Patent

active

061270091

ABSTRACT:
A dispenser unit has a flexible polymer bag, a joining part (10, 11) and a stiff hard part (20). The joining part has an inner layer (11) welded to the hard part and an outer polymer layer (10) welded to the inner material of the flexible bag. The inner material (30) of the flexible bag and the outer material of the joining part (10) are the same and are joined in such a way that they may be thermally sterilized. A process for manufacturing this dispenser unit has a step of coextrusion of the multilayered bag material, a step of extrusion of the multilayered joining part, and steps for sealing the bag material, sealing the multilayered joining part and sealing the hard part. The dispenser unit can be used for dispensing liquids, in particular aqueous liquids for human or animal medicine or in the food industry.

REFERENCES:
patent: 4516977 (1985-05-01), Herbert
patent: 4561110 (1985-12-01), Herbert
patent: 4650452 (1987-03-01), Jeusen
patent: 4892604 (1990-01-01), Measells et al.
patent: 5066290 (1991-11-01), Measells et al.
patent: 5630530 (1997-05-01), Geier et al.

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