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:
Dec. 21, 2021
Filed:
Oct. 15, 2018
Robert Bosch Gmbh, Stuttgart, DE;
Richard Braak, Stuttgart, DE;
Ulrich May, Rutesheim, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
The invention relates to a method for carrying out a test and measuring method on a flat test specimen (), wherein a mechanical load is introduced into a test specimen surface () by means of a rotating engraving head () of an engraving device (), wherein the engraving head () penetrates with a defined contact pressure at least into a layer system () applied to the test specimen (), wherein the rotating engraving head () is moved along the test specimen surface () and relative to the test specimen () in order to create at least one engraving () on the test specimen surface () by plastic deformations and/or brittle chipping of the layer system (), and wherein the at least one engraving () introduced into the test specimen surface () is measured using a photo-optical method in order to evaluate layer adhesion of the layer system () to the main body (). The invention also relates to an engraving device () for carrying out such a method.