Necked container

Details Necked container Necked container

1987-01-29

1988-06-28

Combs, E. Michael

Receptacles

Outlet or junction box type

Sectional receptacle

B65D 602, B65D 634, B65D 804

Patent

active

047533641

ABSTRACT:
A method and apparatus for making a necked container are disclosed wherein a sheet material is formed into a generally cylindrical tubular member and the adjacent longitudinally extending edges of the sheet are butt welded. The welded tubular member is progressively necked-in over a dome-shaped surface of a single mandrel provided within the welded tubular member. The free end of the necked end portion of the tubular member is trimmed and curled to form a necked container body.

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