Stock material or miscellaneous articles – All metal or with adjacent metals – Defined configuration of both thickness and nonthickness...
Patent
1984-08-27
1985-12-24
Rutledge, L. Dewayne
Stock material or miscellaneous articles
All metal or with adjacent metals
Defined configuration of both thickness and nonthickness...
428600, 106 99, C04B 3118
Patent
active
045606226
ABSTRACT:
The present invention is concerned with a steel fiber for reinforcing concrete. The steel fiber according to the present invention is a needle-shaped chip resulting from directly machining a steel ingot material. The fiber has a wrinkled surface with a plurality of rugged waves along the length of the fiber. This new production employs a plain milling cutter having a plurality of cutting edges of negative rake angle and twist angle with respect to an axis of the cutter for machining the ingot material by a down-cut milling under conditions of high speed and short depth of cut.
Kobayashi Kazusuke
Nakagawa Takeo
Tezuka Yoshitomo
Aida Engineering Ltd.
Rutledge L. Dewayne
Zimmerman John J.
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