Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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
F16J9/12—Details
F16J9/14—Joint-closures
F16J9/16—Joint-closures obtained by stacking of rings
Spannringdichtung mit Eigenfederung, bestehend aus zwei seitlichen mit einer Keilflaeche versehenen Druckringen und einem mittleren keilfoermigen Dichtungsring