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:
Feb. 25, 2014
Filed:
Jun. 12, 2012
Frank A. Horton, Rochester Hills, MI (US);
Boris Shulkin, West Bloomfield, MI (US);
Bradford L. Hastilow, Rochester Hills, MI (US);
Jim Metz, Chicago, IL (US);
James R. Judkins, Leonard, MI (US);
Monty Hansen, Sterling Heights, MI (US);
Seetarama S. Kotagiri, Rochester Hills, MI (US);
Andreas G. Janssen, Troy, MI (US);
Frank A. Horton, Rochester Hills, MI (US);
Boris Shulkin, West Bloomfield, MI (US);
Bradford L. Hastilow, Rochester Hills, MI (US);
Jim Metz, Chicago, IL (US);
James R. Judkins, Leonard, MI (US);
Monty Hansen, Sterling Heights, MI (US);
Seetarama S. Kotagiri, Rochester Hills, MI (US);
Andreas G. Janssen, Troy, MI (US);
Magna International Inc., Aurora, Ontario, CA;
Abstract
A hot forming die that includes a first die and a second die. The first die has a first die structure that is formed of a tool steel. The first die structure has a first die surface and a plurality of first cooling apertures. The first die surface has a complex shape. The first cooling apertures are spaced apart from the die surface by a first predetermined distance. The second die has a second die surface. The first and second die surfaces cooperate to form a die cavity. Related methods for forming a hot forming die and for hot forming a workpiece are also provided.