Patent ID: 7611081

Claim:
An adaptor to a fire nozzle that produces a rearward safety spray bubble comprising: a cylinder assembly comprising; a rear end part threaded to accept an existing fire hose on a rear end and; a forward end part, threaded to accept an existing fire nozzle on a front end, said rear end part and said forward end part supported by an internal small pipe having support brackets mounted internally to both said rear end part and forward end part resulting in the formation of; a 360 degree circular slot between said rear end part and front end part, angled facing the rear end part, and a sleeve threadably and axially mounted onto said rear end part between said rear end part and said front end part and partially within said 360 degree circular slot between said rear end part and said front end part, said formed slot having a size that can be controlled by rotating said sleeve so as to produce a larger or smaller slot and thus a controllable rearward cone shaped spray bubble when water or other fire extinguishing mediums are applied under pressure.