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Priority to JP1984186752UpriorityCriticalpatent/JPH0143489Y2/ja
Publication of JPS61101651UpublicationCriticalpatent/JPS61101651U/ja
Application grantedgrantedCritical
Publication of JPH0143489Y2publicationCriticalpatent/JPH0143489Y2/ja
F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16J—PISTONS; CYLINDERS; SEALINGS
F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
F16J9/06—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction using separate springs or elastic elements expanding the rings; Springs therefor ; Expansion by wedging
F16J9/064—Rings with a flat annular side rail
F16J9/066—Spring expander from sheet metal
F16J9/068—Spring expander from sheet metal corrugated in the axial direction