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:
May. 05, 2020
Filed:
Feb. 21, 2017
Applicant:
Sms Group Gmbh, Duesseldorf, DE;
Inventors:
Hardy Jungen, Moenchengladback, DE;
Thomas Winterfeldt, Willich, DE;
Assignee:
SMS GROUP GMBH, Duesseldorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21C 1/24 (2006.01); B21C 1/32 (2006.01); B21C 5/00 (2006.01); B21C 3/16 (2006.01);
U.S. Cl.
CPC ...
B21C 1/24 (2013.01); B21C 1/32 (2013.01); B21C 3/16 (2013.01); B21C 5/003 (2013.01);
Abstract
An apparatus for preparing a tube end for rod drawing with a floating mandrel has a releasable holder for the tube end centered on an axis, a frustoconical and spreadable floating mandrel, and a device for inserting the mandrel into the tube end and spreading the mandrel to flare the tube end. The apparatus further has a feed mechanism for inserting the floating mandrel into the tube end and/or a deforming device for making at least one indentation in the tube for holding the floating mandrel.