Method of manufacturing a flexible collapsible container with a

Details Method of manufacturing a flexible collapsible container with a Method of manufacturing a flexible collapsible container with a

1977-11-17

1979-11-27

Massie, Jerome W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

53477, 93 8WA, 150 05, 156268, 156298, 156306, 156515, 156522, B32B 3118, B32B 3120, B65D 3514

Patent

active

041759940

ABSTRACT:
Method and apparatus for forming novel flexible, collapsible containers from a pair of facing sheet sections, and a stiffener bar positioned between the sheet sections, is disclosed. The pair of facing sheet sections are passed along a process path through a sealing die, with a continuous length of the stiffener bar being positioned between the sheet sections and passed along with process path with the sheet sections. The sealing die forms seal lines between the facing sheet sections to define a group of collapsible containers, each carrying the stiffener bar in transverse relation thereto. Then, at least one of the sheet sections and the stiffener bar is cut through at positions adjacent the edges of the collapsible containers, to permit the separation of the formed collapsible containers, carrying separated stiffener bar sections, from each other.

REFERENCES:
patent: 2971874 (1961-02-01), Canno
patent: 3148598 (1964-09-01), Davis
patent: 3354795 (1967-11-01), Kugler
patent: 3915212 (1975-10-01), Bujan et al.
patent: 4025374 (1977-05-01), Spindler et al.

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