Method of heat treating valve inserts

Details Method of heat treating valve inserts Method of heat treating valve inserts

1985-05-10

1987-02-17

Brody, Christopher W.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148130, 148154, 219 1043, 219 1057, 123188S, C21D 142

Patent

active

046437819

ABSTRACT:
An induction hardened valve seat insert is provided with a ridged outer surface which establishes a mechanically locked engagement with the wall of the insert bore during the induction heating cycle.

REFERENCES:
patent: 2017154 (1935-10-01), Larkin
patent: 2165311 (1939-07-01), Staneliff
patent: 3834013 (1974-09-01), Geistel
patent: 4100834 (1978-07-01), Harris
patent: 4236495 (1980-12-01), Rosan, Jr.
patent: 4438310 (1984-03-01), Cachat
patent: 4497673 (1985-02-01), Esser

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