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:
Apr. 24, 2012
Filed:
Mar. 29, 2010
Carolin Schlueter, Frankfurt, DE;
Joachim Wilhelm, Eschborn, DE;
Carolin Schlueter, Frankfurt, DE;
Joachim Wilhelm, Eschborn, DE;
Braun GmbH, Kronberg, DE;
Abstract
A method and apparatus for assessing the abrasiveness of a brush is provided. The method includes providing a destructible article, providing a brush, such as for example a toothbrush, brushing the destructible article with the toothbrush, examining the destructible article after brushing with the toothbrush and determining the abrasive quality of the toothbrush as a function of the appearance of the destructible article. The apparatus for determining the abrasiveness of a toothbrush includes a holder for retaining a toothbrush having a head and a neck, a support for holding a destructible article, a mechanism for moving the head of the toothbrush against the destructible article in a brushing fashion, and a biasing member for applying a selected brushing force between the head of the toothbrush and the destructible article.