Tappet made of light metal and a method of manufacturing the sam

Details Tappet made of light metal and a method of manufacturing the sam Tappet made of light metal and a method of manufacturing the sam

1998-10-28

2000-04-04

Dolinar, Andrew M.

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

123 9051, B23K 1102, F01L 114

Patent

active

060445521

ABSTRACT:
A tappet made of light metal comprises a ceiled cylindrical tappet body made of light metal, and a cam receiving plate made of hard metal which has the same outer diameter as that of the tappet body, and which is provided at its outer peripheral edge with a sharp annular piece, the cam receiving plate being integrally coupled to the tappet body by causing the annular piece to bite into the top surface and welding the annular piece and the top surface. With this structure, the tappet body and the cam receiving plate made of different materials can be bonded strongly.

REFERENCES:
patent: 5184583 (1993-02-01), Grell
patent: 5662076 (1997-09-01), Ohtsubo et al.
Database WPI Week 902027 Jun. 1990; Derwent Publications Ltd., London, GB; AN m23; XP002090452; object preparation for relief contact welding--by making ring-shaped reliefs on welded object surface (Elec Appts Cons Res); Aug. 7, 1989 *abstract*.

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