Sandblaster

Details Sandblaster Sandblaster

B - Operations, Transporting

24

B

51/2

B24B 1/00 (2006.01)

Patent

CA 1220625

ABSTRACT OF THE DISCLOSURE A sandblasting machine which includes a container for the sand, the bottom end of which is in communication with a sand flow-regulating valve, in turn communicating with a mixing chamber for the compressed air and sand. The outlet of said mixing chamber consists of the inner end of a hose serving to feed the air-sand mixture to the sandblasting nozzle. This inner end of the hose forms a valve seat, which, in conjunction with a ball member, forms a shut-off valve for the sand and air mixture. This shut-off valve is operated by a pneumatic cylinder remotely controlled at the sandblasting nozzle. The inner end of the hose may easily be periodically cut when the abrasive action of the sand wears it out. As an alternative, the valve seat can be formed by a separate hose suction which is replaced when worn out.

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