Easy-to-open synthetic resin bag and apparatus for the manufactu

Details Easy-to-open synthetic resin bag and apparatus for the manufactu Easy-to-open synthetic resin bag and apparatus for the manufactu

1985-12-26

1987-03-17

Garbe, Stephen P.

Special receptacle or package

With pallet feature

Knockdown or collapsible type

206484, 2064842, 206628, 383 66, B65D 2736, B65D 2738

Patent

active

046500790

ABSTRACT:
An easy-to-open synthetic resin bag comprising: a bag body constituted by a laminated film formed by laminating several layers of synthetic resin film; a tear string bonded to part of an inner surface of the bag body corresponding to the opening thereof; and a tab formed at an end of the tear string; whereby pulling the tear string by the tab enables one side surface of the bag to be torn open, thereby allowing the bag to be opened. Also disclosed is a bag manufacturing apparatus capable of automatically bonding the tear string to the part of the inner surface of the bag body corresponding to the opening thereof when the bag body is being formed by employing the laminated film of the above kind.

REFERENCES:
patent: 2820587 (1958-01-01), Gold et al.
patent: 3042286 (1962-07-01), Pottle
patent: 3057539 (1962-10-01), Leary, Jr.
patent: 3246833 (1966-04-01), Schlienz et al.
patent: 3266965 (1966-08-01), Spees
patent: 3456780 (1969-07-01), Forman
patent: 3494538 (1970-02-01), Matthews
patent: 3668061 (1972-06-01), Forman

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