PISTON RING FOR INTERNAL COMBUSTION ENGINE

Title:

PISTON RING FOR INTERNAL COMBUSTION ENGINE

Document Type and Number:

Japanese Patent JPS6187949

Kind Code:

A

Abstract:

A piston ring is formed by annular upper and lower parts which contact one another at respective surfaces normal to the axis of the piston ring. The parts can be injection moulded from thermoplastics materials with the parts themselves having no re-entrant portions, so allowing quick and easy manufacture, but with the parts together defining re-entrant portions such as a spring-receiving recess at the inward side of the ring or a pair of spaced oil control rails at the outward side of the ring.

More Like This:

WO/2000/050184

WRAPPED PLAIN BEARING BUSH

Inventors:

JIYONASAN DEBUITSUDO FUIRUBII

Application Number:

JP17702385A

Publication Date:

May 06, 1986

Filing Date:

August 13, 1985

Export Citation: