BLAST GUN FOR PEELING AGING COATING FILM

摘要

PROBLEM TO BE SOLVED: To provide a blast gun for peeling an aging coating film to peel aging coating films and scribbles on a surface without damaging timber quality of a foundation to repair an old type wooden building, etc. of tangible cultural properties based on the Cultural Properties Protection Act. SOLUTION: The blast gun main body is formed by urethane resin. An air force-feeding nozzle is provided on a rear side in the blast gun main body. A partitioning cylinder is provided at a distal end of the air force-feeding nozzle, and an outwardly spreading inner cylinder is provided at the further distal end. A brush is circumferentially fixed in a front circumferential part of the blast gun main body formed into a spreading shape via a brush connecting part. A jetted polishing/cleaning material is sucked through a gap part between the inside of the blast gun main body and the outwardly spreading inner cylinder, and the polishing/cleaning material is collected into a suction cleaning machine by a vacuum hose connected via a vacuum hose connecting part. COPYRIGHT: (C)2007,JPO&INPIT