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:
Jan. 12, 2010
Filed:
Oct. 15, 2008
Helmut Michel, Esslingen, DE;
Wulf Radtke, Planegg, DE;
Johannes Hegels, Munich, DE;
MT Aerospace AG, Augsburg, DE;
Abstract
The invention relates to a vacuum-assisted method and a device for forming an essentially flat blank () of metal into a thin-walled, shell-type body (), especially for performing the method in accordance with one of the preceding claims, that has a supporting structure () forming a mold chamber () that holds the blank () during increasing deformation into the thin-walled, shell-body (), a device () allocated to the supporting structure () for clamping the blank () about its circumference () to the supporting structure (), that seals the reverse face () of the blank () facing towards the mold chamber () against the front face () of the blank () facing away from the mold chamber (), and a device () allocated to the mold chamber () that also communicates with the mold chamber () for applying a vacuum and evacuating the mold chamber (), and at least one forming tool () applied to the front face () of the blank () is/are allocated to the supporting structure (), and the use of same.