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:
Oct. 25, 1988
Filed:
Dec. 10, 1986
Applicant:
Inventor:
Ezio Baldi, Piombino, IT;
Assignee:
Cerit S.p.A., Pordenone, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21B / ;
U.S. Cl.
CPC ...
72204 ; 72221 ; 72234 ; 72366 ;
Abstract
A method to roll multiple sections starting from a single round section, comprising the steps of: (a) passing the single round section between the rolls of a rolling mill to obtain a single bar including two substantially elliptical, united, twin sections, the major axes of the elliptical sections being inclined by an angle ranging between 5.degree. and 30.degree. in relation to an axis normal to the axes of the rolling rolls; and (b) passing the single bar including two substantially elliptical, united, twin sections between the rolls of a rolling mill to obtain twin-strand round sections.