F - Mech Eng,Light,Heat,Weapons – 04 – F
Patent
F - Mech Eng,Light,Heat,Weapons
04
F
F04F 5/20 (2006.01) A47L 5/18 (2006.01) A47L 5/24 (2006.01) A61C 19/00 (2006.01) F04F 5/44 (2006.01) G01N 1/22 (2006.01) G01N 1/24 (2006.01)
Patent
CA 2247854
A portable, self-contained vacuum device designed for hand-held use to create a moderate vacuum effect for various applications. A small diameter tube (10) is firmly attached (14) to the nozzle or spray tip of an aerosol canister and inserted at a point (16) through the wall of, and directed in one direction along the interior length of, a larger diameter tube (12). The tubes may be fixed to the exterior of the aerosol canister, may be detachable for storage, or may be manufactured into the interior of the aerosol canister. When propellant gas from the aerosol canister is released and injected out of the outflow end (20) of the smaller diameter tube toward one end of the larger diameter tube, the resulting aspiration of ambient gasses creates a vacuum effect at the opposite end, or intake end (18), of said larger diameter tube. A vented receptacle (22) is added to capture the aspirated debris and other matter, but allow the propellant and ambient gasses to pass into the atmosphere through filter screens (28) of desired permeability. The use of antiseptic additives with the aerosol propellant provides enhancement for use of the device for biological waste collection purposes. The use of preservative additives with the aerosol propellant provides enhancement for use of the device for specimen collection purposes.
Fetherstonhaugh & Co.
Hamilton Thomas I.
Hamilton Ingram Enterprises Llc
LandOfFree
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