IPC Subgroup
F41A 13/06 Evacuating combustion gas from barrels
Introduced: January 1990
Last revised: January 2006
Full Title
Cooling or heating systems; Blowing-through of gun barrels; Ventilating systems > Evacuating combustion gas from barrels
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- WEAPONS
- Subclass:
- FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
1 direct subcode
Child Classifications
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- F41A 13/08 Bore evacuators, i.e. chambers disposed around barrels for storing part of the combustion gas and subsequently injecting it into the barrel to provide suction