Router bit

Details Router bit Router bit

1978-10-12

1980-10-14

Hinson, Harrison L.

Cutters, for shaping

Rotary cutting tool

Face or end mill

407 63, B26D 112

Patent

active

042278376

ABSTRACT:
A router bit is provided with an even number of paired cutting edges. Each pair of cutting edges has opposite helix hands at the same helix angle with respect to the axis of rotation and a portion where the pitch of the cutting edge is constant when the cutting edge is developed along the circumference of rotation in the longitudinal direction. Such router bit is suitable for chamfering and finishing the side of board containing fiber reinforced plastics.

REFERENCES:
patent: 451118 (1891-04-01), Evans
patent: 1713273 (1929-05-01), Farrington
patent: 1890452 (1932-12-01), Benninghoff
patent: 1898732 (1933-02-01), Krohne
patent: 2344954 (1944-03-01), Aber
patent: 3409965 (1968-11-01), Fisher

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