Tubular axle housing with varying wall thickness

Details Tubular axle housing with varying wall thickness Tubular axle housing with varying wall thickness

2011-01-11

2011-01-11

Stormer, Russell D (Department: 3617)

Land vehicles: wheels and axles

Axle

Including housing for drive mechanism

C301S124100

Reexamination Certificate

active

07866759

ABSTRACT:
A method for manufacturing a one-piece axle tube housing with localized sections of increased wall thickness includes providing a tube blank, inserting a mandrel having a reduced diameter profile, passing the tube through an extrusion die to conform the tube to the shape of the mandrel; and extraction of the mandrel from the tube to cause outward deformation of the tube at specific locations. A further reducing step may be used to form the final desired profile, including reduced inner and outer diameters along sections of the axle tube housing.

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