Only partly ground tool rod made of sintered material

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United States of America Patent

PATENT NO 8740517
APP PUB NO 20100232898A1
SERIAL NO

12733683

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Abstract

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A tool bit (1) ready for use consists of a sintered material. It has a longitudinal axis (3). At least one swarf chamber (4) spaced from the longitudinal axis (3) land extending along the longitudinal axis (3) is formed in the tool bit (1). The tool bit (1) has at least one cutting edge (8, 10), which is formed in the tool bit (1) by grinding the already sintered tool bit (1), adjoining the swarf chamber (4). According to the invention the swarf chamber (4) is ground only partly and is otherwise unground.

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Patent Owner(s)

Patent OwnerAddress
ARNO FRIEDRICHS HARTMETALL GMBH & CO KGBURGKUNSTADTER STR 7 MAINLEUS 95336

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Friedrichs, Arno Kulmbach, DE 25 228

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