Plastic bag assembly including a conduit member

Details Plastic bag assembly including a conduit member Plastic bag assembly including a conduit member

1984-12-21

1987-01-13

Price, William

Flexible bags

With closure

Self-closing type

383 46, 383 57, 383 59, 383124, B65D 3024

Patent

active

046370625

ABSTRACT:
There is disclosed a bag assembly comprised of a tubularly-shaped bag preform formed of a plastic material defining a top closure portion and a bottom closure portion and provided with an adhesive layer peripherally-disposed about the tubularly-shaped bag preform proximate the top and bottom closure portions. The top closure portion and the bottom closure portion are subsequently formed with corner folds and side folds with the side folds being dimensioned whereby end portions of said side folds are spaced apart from one another upon subsequent folding agent about a fold line. A conduit member including a sleeve portion is mounted on one of the corner folds of the top closure portion by an adhesive layer portion disposed on the corner fold, and sheet members are thereupon mounted over the side and corner folds by adhesive layer portions thereon. After folding of the side fold members about the fold lines, top and bottom closure sheet members are mounted on the top and bottom closure portions.

REFERENCES:
patent: 2201675 (1940-05-01), Vogel-Jorgensen
patent: 2275505 (1942-03-01), Crawford et al.
patent: 3130897 (1964-04-01), Pokular et al.
patent: 3237534 (1966-03-01), Lissner
patent: 3272093 (1966-09-01), Brockmuller
patent: 3291376 (1966-12-01), Goodwin
patent: 3397622 (1968-08-01), Goodwin
patent: 3448666 (1969-06-01), Kappelhoff et al.
patent: 3979049 (1976-09-01), Achelpohl
patent: 4049191 (1977-09-01), Stearley
patent: 4235366 (1980-11-01), Achelpohl et al.
patent: 4441209 (1984-04-01), Lunshof et al.

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