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:
Apr. 07, 2015
Filed:
May. 14, 2012
Applicant:
William Xiaolan Shen, Boylston, MA (US);
Inventor:
William Xiaolan Shen, Boylston, MA (US);
Assignee:
Primetals Technologies USA LLC, Worcester, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D 11/00 (2006.01); B21F 3/02 (2006.01); B21B 41/02 (2006.01); B21B 39/20 (2006.01); B21C 47/14 (2006.01); B21C 49/00 (2006.01);
U.S. Cl.
CPC ...
B21C 47/143 (2013.01); B21C 49/00 (2013.01);
Abstract
A method is described in which a length of hot rolled product is decelerated in the course of being passed through the rotating curved guide of a coiler. The product exits the coiler at a reduced velocity and is delivered to and progressively accumulated on a cylindrical drum as a helical formation of rings. The drum is rotated to continuously unwind the accumulating product at the reduced velocity. The tail end of the product is retained in the coiler until substantially all of the rings previously deposited on the drum have been unwound.