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US 9,759,304 B2Granted
Powder metal hub and treatment
AssigneeSteering Solutions IP Holding Corporation
InventorsAlan G. Turek, Jeffrey E. Beyerlein, Niklaus A. Von Matt
Life of this patent
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Abstract
A method of making a worm gear is provided. The method comprises forming a gear hub from a powdered metal material. Thereafter an outer surface of the gear hub is sealed.
Claims9
A method of making a worm gear comprising:
- forming a gear hub from a porous material;
- and
- sealing an outer surface of the gear hub;
- and
- exposing the outer surface to a silane solution after sealing the outer surface.
2 more elements
Dependencies are inferred from the claim text.