The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 17, 2002
Filed:
Nov. 30, 2000
Wolfgang Streubel, Detmold, DE;
Thomas Harbarth, Paderborn, DE;
Benteler AG, Paderborn, DE;
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.