FOAMABLE COMPOSITION AND METHOD AND APPARATUS FOR MAKING AN AIR FOAM FROM THE SAME

摘要

A foamable composition comprising a metal based salt and a hydrolyzed protein, which when mixed with suitable amounts of air and water under pressure, produces a stable foam, and an apparatus for making a long lasting foam, which apparatus (10) includes an injection chamber (12), an expansion chamber (14) and a coiled hose (16) which extends therebetween, the coiled hose including a plurality of turns. A pressure generating pump (not shown) is provided to force a stream of foam solution into the injection chamber where it is mixed with a pressurized stream of air and passed through the injection chamber, the coiled hose, and the expansion chamber to yield a foam having desirable stability and expansion characteristics.