Metal deforming – By use of closed-die and coacting work-forcer – With stripping or ejecting from tool
Patent
1990-04-13
1991-03-26
Spruill, Robert L.
Metal deforming
By use of closed-die and coacting work-forcer
With stripping or ejecting from tool
B21D 4506
Patent
active
050019198
ABSTRACT:
Apparatus for stripping a cylindrical workpiece, such as a can body, from a cylindrical supporting device, such as a punch of a can body making machine, using a plurality of resilient fingers which are mounted in a circumferentially spaced relationship to provide a circular opening having a diameter less than the outer diameter of the punch so that on the return stroke of the punch, the resilient fingers will be in contact with the outer surface of the punch and will contact the leading edge of the workpiece to disengage it from the punch.
REFERENCES:
patent: 2345857 (1944-04-01), Newell
patent: 2369260 (1945-02-01), Slater
patent: 2528577 (1950-11-01), Catlin et al.
patent: 3664171 (1972-05-01), Paramonoff
patent: 3990289 (1976-11-01), Widman et al.
patent: 4324124 (1982-04-01), Maeder
patent: 4606215 (1986-08-01), McMillin
patent: 4843863 (1989-07-01), Grims et al.
Biesemeier David I.
Hahn Roger A.
Mayer Leo W.
Moreland Brian J.
Roberts Larry W.
Adolph Coors Company
Spruill Robert L.
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