Method of forming a torsional vibration damping disk

Details Method of forming a torsional vibration damping disk Method of forming a torsional vibration damping disk

2008-10-27

2011-12-13

Cozart, Jermie (Department: 3726)

Metal working

Method of mechanical manufacture

Assembling or joining

C029S513000, C029S515000, C074S574400, C464S067100

Reexamination Certificate

active

08074336

ABSTRACT:
A method of forming a torsional vibration damping disk, including the steps of: stamping a concave surface at a periphery of a disk; heat treating the stamped disk; placing at least one forming element at least partially in contact with at least a portion of the concave surface; and curling the periphery to partially surround the at least one forming element so that the at least one forming element is removable from the disk. In a second embodiment, the method includes the step of removing the at least one forming element after curling the periphery and includes the step of replacing the at least one forming element with at least one spring element.

REFERENCES:
patent: 3657781 (1972-04-01), Camosso
patent: 4908924 (1990-03-01), Tsuruta et al.
patent: 6675457 (2004-01-01), Redmond et al.
patent: 2006/0288815 (2006-12-01), Uhler et al.

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