Device for preparing the walls of a mold for molding or shaping to make them ready for the next molding cycle

A spraying element for preparing the walls of a mold for the molding or shaping of a molded part comprising:

• a sprayer body;
• a rotor rotatably mounted in the sprayer body;
• an atomizer integrally connected to said rotor;
• a mold wall treatment agent feed line positioned to supply mold wall treatment agent to said atomizer;
• a control air feed line in said sprayer body and having an outlet proximate said atomizer;
• wherein said control air feed line supplies air for urging atomized mold wall treatment agent in the direction of a mold wall to be treated.

A sprayer device comprising:

• a sprayer body having a spray outlet;
• a rotor rotatably mounted in said sprayer body, said rotor having a first end and a second end, said second end disposed proximate said spray outlet;
• a disk connected to the second end of said rotor;
• a liquid feed line positioned to supply liquid materials to said disk;
• a funnel member attached to said disk, said funnel member having a conical atomizing surface opening in a spray direction, wherein rotation of said disk urges liquid supplied thereto outwardly onto said atomizing surface.