Metal deforming – With means to handle work or product – By gripper and/or endless chain
Reexamination Certificate
2005-11-15
2005-11-15
Crane, Daniel C. (Department: 3725)
Metal deforming
With means to handle work or product
By gripper and/or endless chain
C072S405010, C414S751100, C294S086400
Reexamination Certificate
active
06964185
ABSTRACT:
A bending apparatus for bending and transporting an aluminum metal sheet. The bending apparatus includes a central retaining portion that has gripping elements mounted on the central retaining portion for retaining an aluminum metal sheet. There is also included a bending mechanism that is mounted to the central retaining portion. The bending mechanism is capable of axial movement in relation to a central axis of the central retaining portion for imparting a curvature to an aluminum metal sheet.There is also included a method of stretch forming an aluminum metal sheet including the steps of heating an aluminum metal sheet in an oven, transferring the heat of an aluminum sheet to a hot forming tool, bending the heated aluminum sheet during the transfer step to conform the sheet to a shape of the hot forming tool, and then placing the bent metal sheet in the hot forming tool and forming an A-shaped part.
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Brinas Nelson T.
Carsley John E.
Kruger Gary A.
Crane Daniel C.
General Motors Corporation
Marra Kathryn A.
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