Receptacles – Receptacle side wall made of two or more layers of material... – Beverage receptacle
Patent
1988-02-26
1989-08-08
Norton, Donald F.
Receptacles
Receptacle side wall made of two or more layers of material...
Beverage receptacle
B65D 820
Patent
active
048544671
ABSTRACT:
A container of sheet metal includes a side wall whose ends are connected by means of a fold to a bottom wall and/or a top wall. Each fold is additionally reinforced, secured and/or sealed by welding. The welding seam is arranged along an outer, exposed toroidal surface of the fold and extends within an end portion of a circular arc formed in cross-sectional direction of the fold. The end portion is located near the rim regions of the walls being connected.
REFERENCES:
patent: 2576767 (1951-11-01), A'ttearn
patent: 3295485 (1967-01-01), Gedde
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