Roughing/finishing threader

Details Roughing/finishing threader Roughing/finishing threader

1986-01-31

1987-06-02

Godici, Nicholas P.

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

With integral chip breaker, guide or deflector

10101R, 407113, B23G 502, B23B 2716, B23B 2722

Patent

active

046699252

ABSTRACT:
Roughing threader cutting tool for Buttress pipe thread employing three scallops with arcuate chip breaking back walls for leading transvese and side flank cutting edges solving problem of excessive time consuming multiple passes and coil string chips and quadrupling production rate compared to cutting complete thread with finish threader.

REFERENCES:
patent: 4281430 (1981-08-01), Hellnick
patent: 4335984 (1982-06-01), Zweekly
patent: 4340325 (1982-07-01), Gowanlock
patent: 4465412 (1984-08-01), Zweekly
patent: 4575888 (1986-03-01), Muren
patent: 4583887 (1986-04-01), Wertheimer
Carbolock Threading Grooving & Cut-Off Products Carboloy Systems Dept GE, Jul. 1981.

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