Invention Grant
- Patent Title: Method and device for drawing and trimming blanks
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Application No.: US13569525Application Date: 2012-08-08
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Publication No.: US09669447B2Publication Date: 2017-06-06
- Inventor: Thomas Flehmig , Konstantinos Savvas
- Applicant: Thomas Flehmig , Konstantinos Savvas
- Applicant Address: DE Duisburg
- Assignee: ThyssenKrupp Steel Europe AG
- Current Assignee: ThyssenKrupp Steel Europe AG
- Current Assignee Address: DE Duisburg
- Agency: Reinhart Boerner Van Deuren P.C.
- Priority: DE102010000608 20100302
- Main IPC: B21D24/16
- IPC: B21D24/16 ; B21D22/21

Abstract:
The invention relates to a device for drawing components from a blank (1) made of metal using a drawing punch (2) and a die (3), the drawing punch (2) having a cutting edge (4) for trimming the blank (1) during the drawing procedure and a run-in contour (5) being provided in the die (3). The invention also relates to a method for drawing a blank using the device according to the invention and to a use according to the invention of the method. The run-in contour (5) of the die (3) is configured such that the cutting edge (4) and the run-in contour (5) are only in cutting engagement in certain regions in the drawing punch position at the start of the cutting procedure along the cutting line (7).
Public/Granted literature
- US20130019648A1 METHOD AND DEVICE FOR DRAWING AND TRIMMING BLANKS Public/Granted day:2013-01-24
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