Liquid dispensing bag and quantitative chamber forming jig for l

Details Liquid dispensing bag and quantitative chamber forming jig for l Liquid dispensing bag and quantitative chamber forming jig for l

1996-06-11

1998-08-11

Jacyna, J. Casimer

Dispensing

Collapsible wall-type container

Nonmetallic

222 95, 222105, 222207, 222214, 2225414, B65D 3502

Patent

active

057915210

ABSTRACT:
A liquid dispensing bag includes a bag body portion having a surface wall and a back wall formed of a flexible material having high gas barrier properties, and an elongated spout portion in which the surface wall and said back wall are projected in an elongated manner from a lower portion of the bag body portion. A flowpassage division area has the surface wall and the back wall welded integrally to divide a flowpassage toward the lower portion of the bag body portion. The flow passage division area is formed at a position close to the lower portion from the center of the bag body portion. The flowpassage division area is provided upwardly thereof with a pressure regulating area in which the surface wall and the back wall are welded. The flowpassage division area is formed in the central portion with a central flowpassage. Contact preventive portions for preventing contact between the surface wall and the back wall are formed in the vicinity of the central flowpassage or in the vicinity of the elongated spout portion.

REFERENCES:
patent: 2857079 (1958-10-01), Hall
patent: 2862496 (1958-12-01), Hassler et al.
patent: 4463876 (1984-08-01), Swallert
patent: 4717046 (1988-01-01), Brogli
patent: 4759472 (1988-07-01), Strenger
patent: 5067635 (1991-11-01), Thomsen
patent: 5195658 (1993-03-01), Hoshino
patent: 5333758 (1994-08-01), Jamison et al.
patent: 5425475 (1995-06-01), Clark
patent: 5501369 (1996-03-01), Tal
patent: 5531358 (1996-07-01), Corella

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