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. 11, 2003
Filed:
Aug. 25, 2000
Applicant:
Inventors:
Harri Mustonen, Jyväskylä, FI;
Pekka Pakarinen, Jyväskylä, FI;
Mika Tammenoja, Jyväskylä, FI;
Assignee:
Metso Paper, Inc., Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 3/334 ; G01N 3/08 ; B65H 7/700 ; D21F 7/06 ;
U.S. Cl.
CPC ...
G01N 3/334 ; G01N 3/08 ; B65H 7/700 ; D21F 7/06 ;
Abstract
The invention concerns a method for determination of an irreversible stretch and of a dynamic modulus of elasticity from a paper web (W). In the method, the irreversible stretch and the dynamic modulus of elasticity are determined from h paper web (W) by means of on-line measurement. The invention also concerns a method in which the quantities that have been determined are employed in the control of the papermaking process.