Method of alloying and forming a valve seat

Details Method of alloying and forming a valve seat Method of alloying and forming a valve seat

1976-11-03

1977-11-29

Lanham, C.W.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

291571R, 219121LM, 219121L, 72342, B23P 1500, B23K 2600, B23P 302

Patent

active

040598764

ABSTRACT:
A mass of alloy material is deposited on a valve seat and is heated to alloying temperature by a laser beam which sweeps around the valve seat thereby alloying the valve seat. While the alloyed material is still at a high temperature, the forming tool is pressed against the valve seat to shape the valve seat to a configuration which requires little or no grinding.

REFERENCES:
patent: 3198182 (1965-08-01), Robinson et al.
patent: 3362057 (1968-01-01), Kubera et al.
patent: 3461001 (1969-08-01), Kubera
patent: 3619550 (1971-11-01), Matthews
patent: 3632398 (1972-01-01), Konig
patent: 3685131 (1972-08-01), Fink
patent: 3848104 (1974-11-01), Locke
patent: 3868490 (1975-02-01), Aeschlimann et al.
patent: 3952180 (1976-04-01), Gnanamuthu
patent: 3974016 (1976-08-01), Bondybey et al.
"Laser Right on the Beam for Heat Treating Duty," by B. D. Wakefield, from Iron Age, Feb. 10, 1975, pp. 45-47.

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