US Patent 10563821 Cartridge for storing compressed air

The cartridge includes a body containing the air and a head closing the body. There is a filling channel, which connects the outside of the cartridge to the body and which includes a filling non-return valve preventing the air from exiting the body. The head includes an inflation channel, which connects the filling channel to the body and includes an inflation non-return valve preventing the air from exiting the body. An inflation organ is movably mounted on the inflation channel to permit opening of the inflation non-return valve.