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:
Oct. 02, 2018
Filed:
Jun. 02, 2016
Applicants:
Kari Röyskö, Pirkkala, FI;
Heikki Kettunen, Espoo, FI;
Tatu Pitkänen, Nummenkylä, FI;
Inventors:
Assignee:
VALMET TECHNOLOGIES, INC., Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H 27/00 (2006.01); D21F 3/10 (2006.01); D21F 5/04 (2006.01); D21F 1/76 (2006.01); D21F 1/36 (2006.01);
U.S. Cl.
CPC ...
B65H 27/00 (2013.01); D21F 3/10 (2013.01); D21F 3/105 (2013.01); D21F 1/36 (2013.01); D21F 1/76 (2013.01); D21F 5/042 (2013.01);
Abstract
A perforated roll () of a fiber web machine includes a roll shell (), holes () extending through the roll shell, and a sensing system () arranged in the roll shell. The sensing system () includes at least one pair of leads (), to which one or more sensors () have been connected. At least one pair of leads is composed of flat leads (), which are arranged in the roll shell side by side. A prefabricated sensor sheet () may be prepared for a perforated roll of a fiber web machine, such that holes may be drilled therethrough to communicate with the roll shell holes ().