attached by wedging action by means of screw-thread, interrupted screw-thread, bayonet closure, or the like

Full Title

Covers or similar closure members for pressure vessels in general > Detachable closure members; Means for tightening closures > attached by wedging action by means of screw-thread, interrupted screw-thread, bayonet closure, or the like

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