Method for forming valve seats

Details Method for forming valve seats Method for forming valve seats

1996-05-08

1999-10-26

Solis, Erick R.

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

29888061, B23P 1500

Patent

active

059706147

ABSTRACT:
A method of forming cylinder heads having bonded valve seat inserts. The method reduces the machining operations necessary to place the insert in place by forming the cylinder head casting with reference surfaces that are employed for determining the pressing axis and location for the valve seat insert.

REFERENCES:
patent: 1795433 (1931-03-01), Leipert
patent: 1999434 (1935-04-01), Albertson
patent: 2174337 (1939-09-01), Welsmiller et al.
patent: 3728940 (1973-04-01), Peterson
patent: 4896638 (1990-01-01), Shepley
patent: 5649358 (1997-07-01), Adachi et al.
Patent Abstracts of Japan, vol. 012, No.381 (M-752) Oct. 12, 1988 & Jp-A-63 131853.
Patent Abstracts of Japan, vol. 96, No. 001 & JP-A-08 004581.
Patent Abstracts of Japan, vol. 010, No. 246 (M-510), Aug. 23, 1986 & Jp-A-61 076742.
European Search Report dated Oct. 1996.

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