78122229
Apr 17, 2002
Chemical drill, namely, a cutting/drilling/piercing tool which broadly includes long flexible-leakproof tube that can be placed on a reel, formed of a fuel-supplying material, such as iron and material on a skin that results in gasification of concrete, rock and like and avoids leaking of oxygen, for converting the reaction products resulting from the cutting, drilling or piercing operation to gaseous or very volatile products
Environmental Control Apparatus