US 12,188,179 B2
Yankee drier and method for manufacturing a Yankee drier
Francesco Simoncini, San Lorenzo a Vaccoli (IT); Giulia Masia, Fornacette (IT); Gaetano Passanisi, Capannori (IT); Luca Ghelli, Turin (IT); Leonardo Micheli, Bagni di Lucca (IT); Jacopo Bibbiani, Pisa (IT); Alessandro Piccinocchi, Pisa (IT); and Stefano Marenco, Pinerolo (IT)
Assigned to TOSCOTEC S.P.A., Capannori (IT)
Appl. No. 17/421,102
Filed by TOSCOTEC S.P.A., Capannori (IT)
PCT Filed Mar. 23, 2020, PCT No. PCT/IT2020/050069
§ 371(c)(1), (2) Date Jul. 7, 2021,
PCT Pub. No. WO2020/194358, PCT Pub. Date Oct. 1, 2020.
Claims priority of application No. 102019000004363 (IT), filed on Mar. 26, 2019.
Prior Publication US 2022/0081835 A1, Mar. 17, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. D21F 5/02 (2006.01); D21F 5/18 (2006.01)
CPC D21F 5/021 (2013.01) [D21F 5/181 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A steel Yankee drier comprising: a cylindrical mantle to which two end heads are connected, on each of which a corresponding pin is arranged, wherein the cylindrical mantle has an external cylindrical surface and an internal cylindrical surface, and wherein the internal cylindrical surface of the mantle in cooperation with the end heads delimits an internal chamber of the Yankee drier in which steam can be introduced, wherein the internal cylindrical surface of the mantle is at least partially provided with a cylindrical surface protective coating, the cylindrical surface protective coating protecting the cylindrical internal surface of the mantle from corrosive and/or abrasive agents contained in the steam introduced into said chamber.