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:
Sep. 27, 1983
Filed:
Mar. 16, 1981
Applicant:
Inventor:
Rudolph A Rom, Woodridge, IL (US);
Assignee:
The Lockformer Company, Lisle, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B26D / ;
U.S. Cl.
CPC ...
83212 ; 83269 ; 83693 ; 83917 ; 72421 ;
Abstract
This invention provides a collar making apparatus having an integral notcher capable of forming a flat sheet of metal into a cylindrical collar. The notcher includes a stationary die and a ram mounted for reciprocation which includes a punch that cooperates with the die to stamp a notch in the sheet. The notcher further aligns a sheet to be punched and a control automatically operates the ram when a sheet is in the proper position for punching. From the notched sheet, the apparatus forms a channel along one side edge, forms the sheet into a circular configuration, and crimps the other side edge of the sheet.