Self-contained device for spraying a heated spray material

Claim 1

A movable self-contained device for melting and spraying a heated sprayable material on a desired surface, the sprayable material at normal temperatures being in a solid state, comprising: a portable body support member having positioned thereon a heatable container adapted to hold the sprayable material; a main pump means; an engine means operatively connected to said main pump means for driving said main pump means, said main pump means being operatively connected to a discharge pump means and a stirring apparatus, both positioned in said container for agitating the heated sprayable material when heated and discharging the heated material from said container; a flexible electrically heatable conduit having a spraying nozzle at the free end thereof and being connected at its other end to said discharge pump means, said discharge pump means being adapted to force said heated material through said conduit and nozzle when said material is in a heated condition; a fluid fuel supply means for supplying a fluid medium both for heating said container to change said solid material to a sprayable state and for driving said engine means; and an electric generator means operatively connected to and drivable by said engine means, said generator means being electrically connected to said heatable conduit to electrically energize said heatable conduit and heat it during the operation of said device.