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. 20, 1987
Filed:
May. 28, 1986
Applicant:
Inventor:
Pertti Puumalainen, Kuopio, FI;
Assignee:
Puumalaisen Tutkimuslaitos Oy, Kuopio, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B / ; G01B / ;
U.S. Cl.
CPC ...
3314 / ; 3314 / ; 324231 ;
Abstract
An arrangement for measuring the thickness of a continuous material web. The thickness of the material web is measured by pressing from opposite sides of the web, and on the same spot, wheels which can rotate against the web. One wheel is equipped with a conductive surface, and the other wheel has a detecting element which measures the distance from the conductive surface.