Composite end closure member for composite containers

Details Composite end closure member for composite containers Composite end closure member for composite containers

1980-06-17

1981-12-01

Ross, Herbert F.

Envelopes, wrappers, and paperboard boxes

Paperboard box

End structure

220 68, B65D 314

Patent

active

043031900

ABSTRACT:
An improved composite container is disclosed in which a composite end closure member having a horizontal generally disk-shaped central portion and an annular flange portion is bonded to one end of a tubular cylindrical composite body member, preferably by the use of radio frequency or dielectric energy. Preferably, the body member end portion is reversely inwardly curled to define an upwardly extending curled portion the free extremity of which is contiguous with the end member, thereby to structurally reinforce the container and to more securely hold the end member in place.

REFERENCES:
patent: 809813 (1906-01-01), Kimsey
patent: 1498909 (1924-06-01), Guimm
patent: 2433926 (1948-01-01), Sayre
patent: 2970736 (1961-02-01), Baughan
patent: 3049277 (1962-08-01), Shappell
patent: 3322318 (1967-05-01), Felton
patent: 3381594 (1968-05-01), Ellerbrock
patent: 4163504 (1979-08-01), Elser

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