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. 17, 1983
Filed:
Apr. 15, 1981
Wilhelmus A Pruyn, Hoog-Keppel, NL;
Anand Mohan, Warnsveld, NL;
Stork Screens B.V., , NL;
Abstract
Metal screen comprising ribs and apertures and process of electrolytically forming a metal screen by forming in a first electrolytic bath a screen skeleton upon a matrix provided with a separating agent, such as beeswax, stripping the formed screen skeleton from the matrix and subjecting the screen skeleton to an electrolysis in a second electrolytic bath in order to deposit metal onto said skeleton. The second electrolytic bath contains an organic compound having at least one unsaturated bond not belonging to a ##STR1## group. Preferred organic compounds are a butyne diol or an ethylene cyanohydrin. The screen is preferably a cylindrical screen.