Method of forming a tappet in an internal combustion engine

Details Method of forming a tappet in an internal combustion engine Method of forming a tappet in an internal combustion engine

1995-11-22

1998-03-10

Cuda, Irene

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

298884, B23P 1500

Patent

active

057247340

ABSTRACT:
To manufacture a tappet in an internal combustion engine, a tappet rough body which comprises a cylindrical portion with an upper wall and an annular side wall is moulded by press processing of metal powder, such that the upper wall, the cylindrical portion and the annular side wall become larger than the tappet to be manufactured in the axial size. After sintering the tappet rough body, it is re-compressed to form the final tappet.

REFERENCES:
patent: 4251273 (1981-02-01), Smith et al.
patent: 4667627 (1987-05-01), Matsui et al.
patent: 5310519 (1994-05-01), Blaimschein
patent: 5537744 (1996-07-01), Hirose

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