Device for hydraulic high pressure forming of a tubular component or a blank
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Dec 17, 2002
Grant Date -
Jul 5, 2001
app pub date -
Nov 30, 2000
filing date -
Dec 1, 1999
priority date (Note) -
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Abstract
In a device for hydraulic forming of a tubular component under high inner pressure compressive conditions in a lower die and an upper die of a forming tool, the upper die can be coupled for relative limited movement by at least one piston-cylinder unit containing a hydraulic fluid with the press plunger of a travel-limited mechanical press and the cylinder interior of the piston-cylinder unit can be coupled for providing fluid communication with the interior of the component. Alternatively, in the device for hydraulic forming of a blank under high pressure compressive conditions in a forming tool comprising a lower die and an upper die, the upper die can be coupled for relative limited movement by at least one piston-cylinder unit containing a hydraulic fluid with the press plunger of a travel-limited mechanical press and the cylinder chamber of the piston-cylinder unit can be coupled for establishing fluid communication with the forming space of the forming tool.
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