Method of forming a closure panel with hemmed and non-hemmingly

Details Method of forming a closure panel with hemmed and non-hemmingly Method of forming a closure panel with hemmed and non-hemmingly

1995-08-15

1997-03-18

Bryant, David P.

Metal working

Method of mechanical manufacture

Assembling or joining

29513, 29521, 2924358, B21D 3900

Patent

active

056111339

ABSTRACT:
A hemming machine for forming a unitary closure structure from first and second metal panels includes a lower and upper die mounted and moveable relative to each other for edge hemming a portion of the periphery of panels to form a unitary structure. The machine includes a non-hemming jointing device mounted adjacent to one of the upper and lower dies and operable for jointing a portion of the non-hemmed periphery of the panels as the panels are held between the dies.

REFERENCES:
patent: 3909918 (1975-10-01), Takizawa et al.
patent: 4421241 (1984-04-01), Hoeffken
patent: 4738560 (1988-04-01), Brussow
patent: 4827595 (1989-05-01), Dacey, Jr.
patent: 5107579 (1992-04-01), Kostermeier
patent: 5150508 (1992-09-01), St. Denis
patent: 5195580 (1993-03-01), Hoeffken
patent: 5237734 (1993-08-01), Polon

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