Process for fabricating hollow races or wheels provided at their

Details Process for fabricating hollow races or wheels provided at their Process for fabricating hollow races or wheels provided at their

1977-04-11

1978-04-25

Larson, Lowell A.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

291295, 291484D, 72367, B21B 2702

Patent

active

040854892

ABSTRACT:
A roller including a hollow cylindrical pipe portion having an outer diameter corresponding to that of the roller and having axle stump portions which have axial cylindrical end portions. The axle stump portions being at least partially frusto-conically shaped and being connected to the pipe portion via S-shaped radially inwardly bent portions. The pipe portion and S-shaped portions being of unitary construction and the axle stump portions being welded to this unitary construction.
A process for producing rollers and the like having axle stumps at both of their axial ends from hollow cylindrical pipe pieces. The process includes the steps of reducing and deforming both axial ends of the pipe piece to form frusto-conical end portions. The pipe piece has an outer diameter corresponding to that of the roller. The shaping and deformation is carried out by means of a pipe deforming machine. Thereafter the frusto-conical end portions are partially bent radially inwardly so as to form S-shaped intermediate portions between the pipe portion and the axle stump portions. .

REFERENCES:
patent: 159643 (1875-02-01), Cavalier
patent: 2061300 (1936-11-01), Daniels

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