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:
Jun. 26, 1990
Filed:
Jan. 22, 1988
Applicant:
Inventors:
Paul J Houghton, Los Gatos, CA (US);
John D Goss, San Jose, CA (US);
Mathew G Boissevain, Los Altos Hills, CA (US);
Assignee:
Measurex Corporation, Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L / ;
U.S. Cl.
CPC ...
73159 ;
Abstract
A running blade is adapted to move at the same speed as a continuously running sheet and to generate a burst perforation through the sheet. The force exerted by the blade against the sheet is measured and used to calibrate a non-destructive sheet strength sensor.