Method of manufacture using heat forming

Details Method of manufacture using heat forming Method of manufacture using heat forming

2007-12-13

2009-06-23

Vanoy, Timothy C (Department: 1793)

Metal treatment

Process of modifying or maintaining internal physical...

Carburizing or nitriding using externally supplied carbon or...

C148S219000, C075S392000

Reexamination Certificate

active

07550048

ABSTRACT:
A method of forming metal parts or components from strip stock or roll stock without yielding is accomplished by first placing the part/components into fixtures that hold the stock in a non-yielding position therein. The fixture and metal stock parts are placed in a liquid, gas, or pack carburizing heat treatment process. Once the carburization process is complete, the part is released from the fixture with little or no spring back, maintaining the shape it was held in while in the fixture, resisting returning to its original shape, and optionally imparting spring-like qualities not associated with the stock before treatment.

REFERENCES:
patent: 3753758 (1973-08-01), Shanley
patent: 4497788 (1985-02-01), Bradley et al.
patent: 6117249 (2000-09-01), Erikson et al.
patent: 2003/0056621 (2003-03-01), Nakamura et al.
patent: 2008/0000550 (2008-01-01), Holly et al.

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