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. 08, 2015
Filed:
Nov. 05, 2013
Valmet Aktiebolag, Sundsvall, SE;
Jonas Cederloef, Karlstad, SE;
Hans Ivarsson, Karlstad, SE;
Andreas Hjaertqvist, Grums, SE;
Magnus Hoegman, Kil, SE;
Stefan Moden, Kil, SE;
Johnny Anerud, Karlstad, SE;
Stefan Thyberg, Karlstad, SE;
Sune Wendelsson, Karlstad, SE;
Martin Raedman, Kil, SE;
Anna Danielsson, Karlstad, SE;
Valmet Aktiebolag, Sundsvall, SE;
Abstract
The invention relates to a steel-made Yankee cylinder () that comprises a cylindrical shell () having two axial ends (). An end wall () is connected to each axial end () by a circumferential weld bead (). The cylindrical shell has an inner surface () in which circumferential grooves () are formed. From the outermost circumferential groove () at each axial end () to the circumferential weld bead () at that axial end () the wall thickness (T) of the cylindrical shell is either constant or decreasing and the depth (d) of the circumferential grooves increases axially from the outermost circumferential groove ().