IPC Subgroup
F16K 17/42 Valves preventing penetration of air in the outlet of containers for liquids
Introduced: September 1968
Last revised: January 2006
Full Title
Safety valves; Equalising valves > Valves preventing penetration of air in the outlet of containers for liquids
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