Method of making piston rings

Details Method of making piston rings Method of making piston rings

1999-03-08

2000-12-05

Cuda, Irene

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

29888075, B23P 1506

Patent

active

061549584

ABSTRACT:
A method of making piston rings includes the following steps: forming a base body on a mandrel by thermally spraying a metal on the mandrel; applying a low-friction coating to the base body; removing the base body from the mandrel; and cutting rings from the base body.

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patent: 4828655 (1989-05-01), Wang et al.
patent: 5358753 (1994-10-01), Rao et al.
patent: 5461776 (1995-10-01), Wood
patent: 5516560 (1996-05-01), Harayama et al.
patent: 5614022 (1997-03-01), Vatavuk et al.
patent: 5743012 (1998-04-01), Adams et al.

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