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US 12,686,101 B2Granted
Blasting abrasive and manufacturing method thereof, blasting method, and blasting apparatus
AssigneeSintokogio, Ltd.
InventorsShinji Kanda, Hiroki Mizuno, Hayato Taniguchi
Life of this patent
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Abstract
A blasting abrasive includes a particle of hot melt resin and abrasive grains to be firmly fixed to the particle, a blasting method further includes preparing a blasting abrasive including particles of hot melt resin and abrasive grains to be firmly fixed to the particles, heating gas, and injecting both the blasting abrasive and the heated gas.
Claims3
A blasting abrasive to be injected to a workpiece together with gas, the blasting abrasive comprising:
- a particle consisting of hot melt resin;
- and
- abrasive grains to be firmly fixed to the particle,
- wherein a change in rubber hardness of the hot melt resin is 1.3 (A) or more with respect to a temperature change of 1° C. in the temperature range of 20° C. to 50° C., and
- wherein the abrasive grains include abrasive grains firmly fixed in such a way as to be wholly buried in the particle, and the abrasive grains firmly fixed in such a way as to be wholly buried are distributed more in a vicinity of the surface of the particle than in a center of the particle.
2 more elements
Dependencies are inferred from the claim text.