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. 10, 1998
Filed:
Oct. 16, 1995
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C / ; B08B / ; B08B / ; C23G / ;
U.S. Cl.
CPC ...
134-2 ; 134 15 ; 134 34 ; 134 41 ; 1341 / ;
Abstract
A process for continuous surface treatment, in particular for pickling and cleaning of metal strip in a treatment chamber through which the strip runs in a roughly horizontal path and to which a treatment liquid, in particular pickling liquid, is fed. An increased local shearing force is applied between the surface to be treated and the treatment liquid, by passing the strip through a constriction. In addition the invention is directed to a device for implementation of the process, characterized by, in particular, several processing stations such as venturi modules being provided in the treatment chamber which cause an increase in the shearing force between the strip and the treatment liquid.