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. 06, 1989
Filed:
Jan. 07, 1988
Josef Troster, D-5960 Olpe, DE;
Axel Barten, D-5900 Siegen-Sohlbach, DE;
Other;
Abstract
A flatness measuring device for thin-gage strip in cold rolling mills comprises a rotating measuring roller (13) is arranged transversely to the strip travel direction (a) and across the strip width (b) and detects the rolled strip (6), with at least one surface groove (22) extending over the entire roller length (21), as well as a scanner (23) with one or more light beams (L4) for scanning strip wavinesses (24) that may occur over the upper section (31) of the surface groove (22) of the measuring roller (13) on account of a differing strip tension distribution over the strip width (b), which section (31) travels, on account of the rotational movement of the roller (13), over the entire length of the roller (13).