Method of making shipping bag

Details Method of making shipping bag Method of making shipping bag

1975-10-24

1977-03-15

Coan, James F.

93DIG1, B31B 3960

Patent

active

040117987

ABSTRACT:
An improved cushioned shipping bag is disclosed, together with a unique method of continuously making the bags. The improved bag protects objects from being damaged when they are transported, shipped, handled or sent in the mail. A continuous layer of foamed plastic sheet material is positioned on and affixed (laminated) to a continuous layer of relatively thin sheet material. The laminated layers are then folded with the foamed plastic sheet material positioned on the inside; the folded laminated layers are subsequently heat sealed, glued or the like together at predetermined positions along the continuous laminate. The cushioned bag blanks subsequently are cut from the continuous laminate. In this manner, three sides of each bag are sealed and one end is left open for insertion of the objects to be shipped. The open end of the bag is provided with a foldable flap which is used to seal the bag after the objects are placed inside it.

REFERENCES:
patent: 2962158 (1960-11-01), Struthers
patent: 3256527 (1966-06-01), Studen
patent: 3317038 (1967-05-01), Bade et al.
patent: 3595468 (1971-07-01), Repko
patent: 3768724 (1973-10-01), Hill
patent: 3867874 (1975-02-01), O'Neil

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