Receptacles – Closures – Closure members having alignable openings
Patent
1982-09-29
1985-11-05
Gilden, Leon
Receptacles
Closures
Closure members having alignable openings
220 69, 220256, 413 4, 413 5, D06F 7526
Patent
active
045508500
ABSTRACT:
A method is provided for producing an end plate for a container having a continuous wall, with a novel end plate being produced thereby. The end plate includes a thickened plate which is disposed perpendicular to the continuous wall, with the thickened plate having a diameter less than the inner diameter of the cylindrical walls. A sheet having a peripheral down-turned flange is disposed above the thickened plate, with the down-turned flange having a diameter greater than the diameter of the cylindrical walls. An opening is provided in the sheet which is aligned with an opening in the thickened plate. An end portion of the continuous wall is bent outwardly to form a peripheral lip which has an outer diameter less than the diameter of the sheet. A seam between the continuous wall and the metal sheet is formed by inserting a stud into the opening and engaging a groove-containing roller to the down-turned flange and peripheral lip. The stud is utilized to facilitate the rotation of the canister and seam with respect to each other to form a perimetral seam having no portion which extends above the plane of the sheet.
REFERENCES:
patent: 2887244 (1959-05-01), Betner
patent: 3237802 (1966-03-01), Wagner
patent: 3549042 (1970-12-01), Stolle
Cranfill Leonard J.
Smith Dwight D.
Gilden Leon
Stant Inc.
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