Metal deforming – By application of fluent medium – or energy field – With actuated tool engaging work
Patent
1995-06-05
1999-02-02
Jones, David
Metal deforming
By application of fluent medium, or energy field
With actuated tool engaging work
72 62, 72367, 294211, B21D 2602, B21D 1503
Patent
active
058650547
ABSTRACT:
An apparatus for forming a frame member for an automobile from a tube blank applies internal hydraulic pressure to the blank, tangent bends and preforms the internally pressurized blank into a preformed tube having a desired horizontal profile configuration, then forms the preformed tube into a finally formed frame member having a desired vertical profile configuration and a desired, varying cross-sectional configuration by placing the preformed tube in a stuffing ledge apparatus having a lower die with an upwardly facing ledge and vertically extending, punch engaging surfaces and a punch having a downwardly facing ledge and vertically extending, die engaging surfaces, internally pressurizing the tube, and then ramming the punch downwardly to form the tube into the finally formed frame member, the ledges and vertically extending surfaces substantially completely enclosing a portion of the tube before and while the punch and die come together to form the tube into the finally formed frame member. The forming components in each apparatus are submerged in an aqueous bath, allowing the blank and tube to automatically fill themselves, thereby facilitating sealing and pressurizing of the tube.
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Aquaform Inc.
Jones David
LandOfFree
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