Receptacles – Outlet or junction box type – Sectional receptacle
Patent
1976-02-17
1980-01-29
Shoap, Allan N.
Receptacles
Outlet or junction box type
Sectional receptacle
113120H, 220DIG22, B65D 742
Patent
active
041857496
ABSTRACT:
Disclosed is a can body for a case, e.g. for an aerosol container, made of metal, such as aluminum. The thickness of the material of the cylindrical mouth section of the can body is greater than that of the other mantle sections of the can body. Below the mouth section the other surface of the mantle of the blank is polygonal as far as the lower section of the can body, the greatest outer diameter of the polygon being smaller than or equal to the outer diameter of the mouth section. The outer surface of the lower mantle section of the can body is cylindrical, the outer diameter of the cylinder being smaller than the smallest outer diameter of the polygonal section of the mantle. The inner surface of the mantle of the can body is cylindrical over its entire length. Disclosed is additionally a device for manufacturing the can body by cold extension of metal, e.g. aluminum, softened by annealing, having a ram with a cylindrical side wall and an extrusion ring comprising a greater cylindrical mouth section, a polygonal middle section and a smaller cylindrical lower section, corresponding to respective sections of the case can body to be manufactured.
REFERENCES:
patent: 1200309 (1916-10-01), Carlson
patent: 1286384 (1918-12-01), Mezger
patent: 1931210 (1933-10-01), Steinacher
patent: 2425448 (1947-08-01), Weida
Printal OY
Shoap Allan N.
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