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. 06, 1990
Filed:
May. 22, 1989
Applicant:
Inventor:
Heiko Gruner, Beinwil am See, CH;
Assignee:
Plasmainvent AG, Zug, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
428472 ; 428702 ; 427 34 ;
Abstract
The Cr.sub.2 O.sub.3 protective coating (3) is applied, during the vacuum spray process, as a leakproof coating to a support (1), and has a density of not more than 5.3 g/cm.sup.3, a residual porosity of less than 2%, a Vickers hardness (HV) of over 2000 kp/mmm.sup.2 and an electric strength of at least 5 V/.mu.m of protective thickness; it is particularly suited as a protective coating on supports (3) exposed to corrosion and simultaneously subjected to high mechanical loads.