without packing between the surfaces, e.g. with ground surfaces, with cutting edge

Full Title

Sealings > between relatively-stationary surfaces > without packing between the surfaces, e.g. with ground surfaces, with cutting edge

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL

Subclass:

PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS