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:
Dec. 30, 1986
Filed:
Aug. 19, 1983
Applicant:
Inventors:
Karl-Friedrich Wesemann, Mulheim, DE;
Rainer Lenk, Duisburg, DE;
Klaus Kobusch, Krefeld, DE;
Manfred Markan, Willich, DE;
Assignee:
Mannesmann Aktiengesselschaft, Duesseldorf, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21B / ; B60B / ;
U.S. Cl.
CPC ...
29129 ; 29129 ; 228165 ;
Abstract
A roll for the support and transport of ingots is disclosed including a core with a helical duct along the periphery covered by a thin sleeve being secured to the groove or duct separating ridges by welding making sure that coolant cannot flow transverse to the duct and that the sleeve cannot slip off the core. A particular welding technique as employed has broader applications including joining plate or sheet stock.