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:
Feb. 20, 2018
Filed:
Nov. 05, 2015
Jaakko Haapanen, Järvenpää, FI;
Marko Jorkama, Porvoo, FI;
Arto Leskinen, Nukari, FI;
Jari Pelkonen, Orimattila, FI;
Jaakko Haapanen, Järvenpää, FI;
Marko Jorkama, Porvoo, FI;
Arto Leskinen, Nukari, FI;
Jari Pelkonen, Orimattila, FI;
VALMET TECHNOLOGIES, INC., Espoo, FI;
Abstract
A slitter-winder for winding of pulp webs or corresponding webs with a thickness of at least 0.5 mm, in which the winder is a two-drum winder having two winding drums on support of which at least two pulp web rolls are wound. At least one of the winding drums is a nip acceptance winding drum (NAWD), that is a winding drum with a cover having a hardness of 40-80 Shore A and a thickness of 3-50 mm. The winding drums and a steel core or a shaft of the at least two pulp web rolls have parallel rotation axes and are in a rolling contact where the at least one winding drum is driven.