Twist drill and production method

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10245657
APP PUB NO 20160074945A1
SERIAL NO

14889125

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Abstract

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The twist drill (1) has a drilling head (3), a continuous two-flute, three-flute to six-flute helix (4) and an insertion end (5) that are arranged consecutively on a drill axis (2). The helix (4) has a radial outer dimension (18) that varies periodically two, three to six times per revolution around the drill axis (2). The invention also relates to a production method for such a drill.

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Patent Owner(s)

Patent OwnerAddress
HILTI AKTIENGESELLSCHAFT9494 SCHAAN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Achleitner, Corinna Bludenz, AT 9 26
Domani, Guenter Weissenberg, DE 20 20
Peters, Carsten Sax, CH 45 837
Winkler, Mark Hohenems, AT 23 140

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