Patent ID: 6743082
Filing Date: 2004-06-01
Classification: B24C,C23C

Abstract:
A blasting apparatus, comprising a tubular barrel formed of a mesh net for accommodation of work pieces of rare earth metal-based permanent magnets and supported circumferentially outside a center axis of a support member rotatable about said center axis, means for rotating said support member about said center axis at a rotational speed of from 0.5 rpm to 30 rpm, so that said tubular barrel can be rotated about said center axis of said support member by rotating said support member, and an injection nozzle for injecting a blast material against the work pieces from the outside of said tubular barrel rotated about said center axis at an injection pressure of from 0.1 MPa to 0.5 MPa, wherein at least one of said tubular barrel and said support member for supporting said tubular barrel is detachably mounted.