Method of gluing metal parts

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United States of America Patent

PATENT NO 12117027
APP PUB NO 20210079940A1
SERIAL NO

17017327

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Abstract

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A method of gluing a metal part to another part for use in a personal care device such as an electric toothbrush. The method includes steps of providing a metal, such as steel, part, and another, metal, part; treating a surface portion of the metal part with ultra-fast laser pulses having a pulse length in the femtosecond range, e.g., from about 1 femtosecond to about 990 femtoseconds, so that a surface layer of the metal surface is removed; applying an adhesive to the treated surface of the metal part or to a surface of the other part; and gluing the metal part and the other part together.

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Patent Owner(s)

Patent OwnerAddress
BRAUN GMBHFRANKFURTER STRASSE 145 ATTN PATENT MANAGER KRONBERG 61476

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Groß, Dieter Mainz, DE 2 1
Knorr, Marcel Denis Frankfurt am Main, DE 3 60
Schmidt, Arne Euskirchen, DE 10 59

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