Method for forming a container ring

Details Method for forming a container ring Method for forming a container ring

1993-12-14

1995-05-30

Rosenbaum, Mark

Metal working

Method of mechanical manufacture

Assembling or joining

29509, 29516, 72106, B21D 3900

Patent

active

054190320

ABSTRACT:
An apparatus for forming a container closure includes at least one driving wheel, at least one biasing wheel, a first bending wheel and a second bending wheel. The biasing wheel operates to hold a metal band having a first edge and a second edge against the driving wheel. While the band is rotated by the driving wheel, the first bending wheel bends the first edge of the band and, subsequently, the second bending wheel bends the second edge of the band. The apparatus operates to form the container closure without an operator having to stop the apparatus after the first edge is bent to turn the band over so that the second edge can be bent.

REFERENCES:
patent: 1258538 (1918-03-01), Darley, Jr.
patent: 1409336 (1922-03-01), Fahlman
patent: 1466643 (1923-08-01), Draper
patent: 1548177 (1925-08-01), Strange
patent: 1671735 (1928-05-01), McCrery
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patent: 1716725 (1929-06-01), Gruber
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patent: 2574509 (1951-11-01), Stuart
patent: 2714469 (1955-08-01), Carlson
patent: 4454739 (1984-06-01), Ciccorelli
patent: 4708283 (1987-12-01), Brazil

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