Emergency signalling device
OwnerFrances J. Rollinsinventor
Life of this patent
Estimating the term…
Abstract
An emergency signalling device is provided. The emergency signalling device includes a cylindrical canister pressurized with a quantity of a lighter than air gas. A valve is provided on the top of the canister for sealing the gas. An inflatable balloon is sealed to the top covering the valve. A cord is attached on one end to the canister and wrapped around the canister in a plurality of layers of cord, the combined canister and wrapped cord having a first diameter. A waxy substance secures the cord to the canister and each layer of the cord to adjacent layers of the cord. A loop forms a closed circle on the other end of the cord, the loop having a second diameter greater that the first diameter. In a specific embodiment the valve on the top for sealing the gas includes scoring on the top of the canister.
Claims6
An emergency signalling device comprising:
- a cylindrical canister having a top and a bottom, said canister pressurized with a quantity of a lighter than air gas;
- a valve means on said top for sealing said gas;
- an inflatable balloon sealed to said top covering said valve means;
- a cord attached on a first end to said canister and wrapped around said canister in a plurality of layers of cord, said canister and said cord wrapped around said canister having a first diameter;
- a waxy substance securing said cord to said canister and each layer of said cord to adjacent layers of said cord;
- and
- a loop forming a closed circle on a second end of said cord, said loop having a second diameter larger than said first diameter.
Dependencies are inferred from the claim text.