Method for the manufacture of packing containers

Details Method for the manufacture of packing containers Method for the manufacture of packing containers

1977-03-16

1979-04-24

Pavelko, Thomas P.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 84, 156218, 264 25, 264230, 264248, 264321, 264342, 264571, 264DIG71, B29C 2420

Patent

active

041510240

ABSTRACT:
A method is disclosed for fabricating packing containers comprised of a heat-shrinkable material. A web or blank of the material is heated on one side to an extent such that the material acquires a tendency to assume a tubular shape. Overlapping longitudinal ends of the web or blanks are heat and pressure sealed to form a tubular member. The ends of the tubular member are folded inwardly under the effect of heat to form flange-like portions to which end plates may be attached to form the packing container.

REFERENCES:
patent: 2138568 (1938-11-01), Brandenberger
patent: 3414181 (1968-12-01), Sloan
patent: 3416991 (1968-12-01), Yoshimura
patent: 3511435 (1970-05-01), Hewitt
patent: 3620896 (1971-11-01), Glasgow
patent: 3673033 (1972-06-01), MacDaniel
patent: 3899807 (1975-08-01), Sovish
patent: 3967991 (1976-07-01), Shimano
patent: 3969173 (1976-07-01), Amberg
patent: 3970492 (1976-07-01), Amberg
patent: 4054474 (1977-10-01), Collins

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