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. 27, 2021
Filed:
Feb. 23, 2018
Sandvik Intellectual Property Ab, Sandviken, SE;
Erika Hedblom, Valbo, SE;
Daniel Edmarker, Gävle, SE;
Sandvik Intellectual Property AB, Sandviken, SE;
Abstract
A tube structure () comprising an inner tube () of metal and an outer tube () of metal, wherein the inner tube () extends in the outer tube (), wherein a spacer tube () is located between the inner tube () and the outer tube (), wherein the spacer tube () comprises at least one slit (), wherein the at least one slit () extends in a longitudinal direction of the spacer tube () and over an entire longitudinal extension of the spacer tube (), and wherein the at least one slit () forms a space in a radial direction of the tube structure () extending from an outer surface () of the inner tube () to an inner surface () of the outer tube (), wherein the tube structure () further comprises at least one signal line () located in the at least one slit () of the spacer tube (), wherein the at least one signal line () extends in the longitudinal direction of the spacer tube ().