Blasting method and apparatus

Details Blasting method and apparatus Blasting method and apparatus

1997-08-15

1999-03-02

Rose, Robert A.

Abrading

Abrading process

Utilizing fluent abradant

451102, B24C 504

Patent

active

058762671

ABSTRACT:
A blasting apparatus and a blasting method enable a processing pattern to be enlarged or modified in a suction type blasting apparatus by using a relatively simple composition, and also permit stable, continuous ejection of an abrasive in the enlarged or modified processing pattern. A nozzle (42) of a blast gun (40) of a suction type blasting apparatus is surrounded by a nozzle cover (49) with a predetermined gap provided therebetween, and a passage (43) which is opened in an abrasive ejecting direction between the outer periphery of the nozzle (42) and the inner periphery of the nozzle cover (49) is communicated with a supply source of compressed air. An abrasive dispersion chamber (52) serving as a dispersing nozzle is connected to an ejection port (47) of the blast gun (40).

REFERENCES:
patent: 5265383 (1993-11-01), Shank, Jr.
patent: 5283990 (1994-02-01), Shank, Jr.

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