US 10,005,144 B2Granted

Broach tool rake face with a tailored surface topography

AssigneeUnited Technologies Corporation

InventorsTahany I. El-Wardany, Wayde R. Schmidt

Life of this patent

Estimating the term…

A broach tool includes a broach tool rake face with a tailored surface topography.

Dependent claims

A broach tool comprising:

a broach tool rake face with a tailored surface topography,
wherein the tailored surface topography includes a combination of depressed wells, microchannels, grooves, pockets, dimples, pyramids and ovals formed in the broach tool rake face that control a coefficient of friction between the broach tool rake face and a workpiece.

Dependencies are inferred from the claim text.

B23D 43/02
Broaching tools: for cutting by rectilinear movement
B23P 15/42
Cutting tools: broaching tools
B23D 2043/025
For cutting by rectilinear movement: for producing grooves in turbines, e.g. for the insertion of blades
B23F 21/24
Tools specially adapted for use in machines for manufacturing gear teeth: broach-milling tools

From the US filing history. Foreign family members aren’t listed.

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