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.

Date of Patent:
May. 04, 2021

Filed:

Jun. 30, 2017
Applicant:

Sandvik Intellectual Property Ab, Sandviken, SE;

Inventors:

James Shipley, Sandviken, SE;

Daniel Gullberg, Gävle, SE;

Robert Mattsson, Gävle, SE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21C 37/15 (2006.01); B32B 15/01 (2006.01); C22C 16/00 (2006.01); B21C 1/00 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/08 (2006.01); C22C 38/12 (2006.01); C22C 38/44 (2006.01); C22C 38/58 (2006.01); C22C 38/40 (2006.01);
U.S. Cl.
CPC ...
B21C 37/154 (2013.01); B21C 1/00 (2013.01); B32B 15/013 (2013.01); C22C 16/00 (2013.01); C22C 38/001 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/08 (2013.01); C22C 38/12 (2013.01); C22C 38/40 (2013.01); C22C 38/44 (2013.01); C22C 38/58 (2013.01);
Abstract

The present disclosure relates to a bimetallic tube comprising a first metallic tube having an inner diameter and an outer diameter, and a second metallic tube having an inner diameter and an outer diameter, wherein the first metallic tube is arranged within and force-fitted to the second metallic tube and wherein the first metallic tube comprises a zirconium (Zr) based alloy and wherein the second metallic tube comprises an austenitic stainless steel. The present disclosure also relates to a method for manufacturing a bimetallic tube comprising the steps of providing a first metallic tube having an inner diameter and an outer diameter, providing a second metallic tube having an inner diameter and an outer diameter, wherein the outer diameter of the first metallic tube is smaller than the inner diameter of the second tube, insetting the first metallic tube into the second metallic tube, cold-drawing the first and second metallic tubes together, such that the first and second metallic tubes are force-fitted together.


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