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.:

US 8381562 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 26, 2013

Filed:

Feb. 06, 2007
Applicants:

James G. Schroth, Troy, MI (US);

Richard H. Hammar, Utica, MI (US);

Inventors:

James G. Schroth, Troy, MI (US);

Richard H. Hammar, Utica, MI (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 37/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

A metal forming apparatus characterized by rapid cooling includes a forming tool having a first portion defining a forming surface and a second portion defining a cavity for a working gas. A plurality of fins are in conductive heat transfer relationship with the forming tool. The metal forming apparatus enables a high thermal efficiency mode of operation when the effect of the fins is negated for use during metal forming operation, and a rapid cooling mode for use in preparing for tool maintenance. A corresponding method is also provided.


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Schroth, James. (2013). Metal forming apparatus characterized by rapid cooling and method of use thereof (U.S. Patent No. 8381562). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8381562

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