Valve guide liner broaching tool

Details Valve guide liner broaching tool Valve guide liner broaching tool

1983-02-28

1986-03-04

Larson, Lowell A.

Metal deforming

Tool and/or tool holder

Having unitary tool-face

72370, B21J 1302

Patent

active

045733406

ABSTRACT:
A broach specifically adapted for use in the final sizing of valve guides having a pilot, broaching surface and shank fabricated from a single piece of tool stock. The radius of the broaching surface, measured along a line perpendicular to both the longitudinal axis of the broach and a tangent to the broaching surface, is between 0.375 and 1.0 inches.

REFERENCES:
patent: 1318489 (1919-10-01), Donaldson
patent: 2285956 (1942-06-01), Weber
patent: 3470729 (1969-10-01), Andrs et al.
patent: 4404874 (1983-09-01), Lieser
patent: 4405020 (1983-09-01), Rassieur

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