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. 04, 2007
Filed:
Jun. 07, 2006
Applicants:
Robert Dean Turnbull, Massillon, OH (US);
Donna Rebecca Stefansic, North Canton, OH (US);
Inventors:
Robert Dean Turnbull, Massillon, OH (US);
Donna Rebecca Stefansic, North Canton, OH (US);
Assignee:
Stolle Machinery Company, LLC, Centennial, CO (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D 22/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus and method for forming a shell with a central panel and a chuck wall is provided. The apparatus and method employ the use of a biasing member to selectively bias and control movement of the inner pressure sleeve and a die core having an outer diameter equal to or greater than the outer diameter of the punch core. The apparatus and method can also be employed in a single action press or a double action press.