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:
Mar. 13, 2001
Filed:
Oct. 20, 1999
Applicant:
Inventors:
Emmanuil Shrayer, Lexington, MA (US);
Richard J. Morganti, Billerica, MA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21H 1/00 ;
U.S. Cl.
CPC ...
B21H 1/00 ;
Abstract
Disclosed is a method of forming a dome from a substantially round blank having a surface area smaller than the surface area of the dome. The method includes the steps of shear forming the blank to form a deformed blank, spin stretching the deformed blank in selected areas along its circumference to form a stretched blank, inside spinning the stretched blank into a rough dome, final dome spinning the rough dome into the finished dome, and flange spinning the dome.