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:
May. 08, 1979
Filed:
Jun. 02, 1977
Applicant:
Inventors:
Yves Guinomet, Waltrop, DE;
Ulrich Tenhaven, Dortmund, DE;
Wilhelm Wrede, Dortmund, DE;
Rudolf Schoenemann, Adenau, DE;
Wolfgang Friedemann, Neuss, DE;
Heinz Groschopp, Dusseldorf, DE;
Hans G Germscheid, Hosel, DE;
Assignee:
Henkel Kommanditgesellschaft auf Aktien (Henkel KGaA), Dusseldorf-Holthausen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21B / ;
U.S. Cl.
CPC ...
72 42 ; 148 121 ;
Abstract
A method for processing steel strip, which comprises cold-rolling the steel strip, coiling the rolled steel strip and annealing the coiled steel strip, wherein a rolling oil emulsion containing 0.1 to 5 percent by weight of SiO.sub.2 in the form of stabilized silicic acid sol and having a pH value between 5.0 and 9.0 is applied to the steel strip prior to coiling and the rolling oil emulsion so employed.