Internal tear seal dual bag

Details Internal tear seal dual bag Internal tear seal dual bag

1990-12-05

1993-05-11

Foster, Jimmy G.

Special receptacle or package

For mixing

383 38, 604410, B65D 3022, B65D 8132

Patent

active

052093476

ABSTRACT:
A W-shaped frangible seal line separating at least two chambers in a container or securing together two sheets of material. Outer legs of the W-shape preferably describe an angle of 170.degree. or less. Inner legs of the W-shape preferably describe an upside down chevron or V-shape that describes an acute angle.

REFERENCES:
patent: 2916197 (1959-12-01), Detrie et al.
patent: 3217871 (1965-11-01), Lee
patent: 3510054 (1970-05-01), Sanni et al.
patent: 3964604 (1976-06-01), Prenntzell
patent: 4458811 (1984-07-01), Wilkinson
patent: 4519499 (1985-05-01), Stone et al.
patent: 4629080 (1986-12-01), Carveth
patent: 4770295 (1988-09-01), Carveth et al.
patent: 4961495 (1990-10-01), Yoshida et al.

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