Process for stretch forming hollow metal bodies

A process for stretch forming hollow metal bodies, such as aluminum alloy extrusions. The extrusions are stretched longitudinally, bent transversely of the pulling direction, and then subjected to pressure from an incompressible fluid in a hollow interior. In a preferred embodiment, the incompressib...

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Bibliographische Detailangaben

Hauptverfasser:	SCHULTZ, JOHN S, EVERT, ROBERT P, ALLISON, BLAIR T, VAN SUMEREN, THOMAS J
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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