Method of making composite container with compressed body wall

Details Method of making composite container with compressed body wall Method of making composite container with compressed body wall

1981-02-13

1983-02-15

Coan, James F.

Manufacturing container or tube from paper; or other manufacturi

Container making

Rigid container

493109, 493158, 493271, B31B 4902

Patent

active

043739288

ABSTRACT:
A composite can construction wherein the body wall, adjacent either one or both cap receiving ends thereof, is inwardly compressed to reduce the outside diameter of the tubular body while maintaining the inside diameter. The compression, reducing the thickness of the body wall, also densifies the material thereof without effecting the interior of the container or the structural integrity thereof. The compressed area extends along the length of the container body a distance sufficient to project substantially beyond the bead formed as a metal end cap is seamed to the body, thus providing a recess for facilitating accommodating of the driving wheel of a conventional can opener. The formed bead, utilizing the pre-compressed body portion and the denser material thereof, is relatively narrower and stiffer than the bead conventionally obtained upon the sealing of a metal end cap to a composite tubular body.

REFERENCES:
patent: 1212147 (1917-01-01), Peterson
patent: 1748865 (1930-02-01), Chaplin
patent: 1950173 (1934-03-01), Harris
patent: 2174437 (1939-09-01), Collins
patent: 2633095 (1953-03-01), Magill et al.
patent: 3244313 (1966-04-01), Miles
patent: 3401863 (1968-09-01), Earl
patent: 3608774 (1971-09-01), Saunders
patent: 3882763 (1975-05-01), Ellerbrock et al.
patent: 4257316 (1981-03-01), Roder et al.

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