Method of forming a flush-sided container

Details Method of forming a flush-sided container Method of forming a flush-sided container

1979-07-19

1981-06-02

Goldberg, Howard N.

Receptacles

Compartmented container

Compartment partition is movable or removable

113120XY, 113121R, 220 75, 229 56, B21D 5100

Patent

active

042704758

ABSTRACT:
A system of seaming a metallic end cover to a tubular composite can body utilizing a cover the diametric size of which is smaller than that of the can body. The smaller cover provides an annular space between the central depending cover pin and the surrounding portion of the body wall at the end thereof. The peripheral flange of the cover is inwardly folded about and with the flanged end of the can body to define a double seam. Simultaneously with the formation of the double seam, the seaming rolls, through direct engagement with the can body at and immediately below the seam, inwardly shape and contour the end portion of the can body, bringing the formed seam into the annular space and into direct engagement with the cover pin, necking the can body and providing a flush-sided container.

REFERENCES:
patent: 2343550 (1944-03-01), Grove
patent: 2641827 (1953-06-01), Carpenter
patent: 2643627 (1953-06-01), Wobbe
patent: 2849148 (1958-08-01), Lohuis

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