with both sealing faces shaped as small segments of a cylinder and the moving member pivotally mounted

Full Title

Other constructional types of cut-off apparatus; Arrangements for cutting-off > with both sealing faces shaped as small segments of a cylinder and the moving member pivotally mounted

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:

VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING