F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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
F16J10/00
Engine or like cylinders; Features of hollow, e.g. cylindrical, bodies in general
F16J10/02
Cylinders designed to receive moving pistons or plungers
F16J10/04
Running faces; Liners