Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1974-10-10
1976-01-27
Kelly, Donald G.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51 9M, B24C 306
Patent
active
039343723
ABSTRACT:
This invention relates to a portable upblast cleaning head which makes use of an airless centrifugal blasting wheel for throwing particulate in an upwardly direction against the underside of a horizontally disposed surface. The head includes means for effecting a sealing relation with the surface to be treated and for recovery and air wash separation of the blasting particulate from deposits and residue which are removed by the blasting process. The separating means is contained directly in the blasting head so that a completely portable and self-contained unit capable of recycling the particulate is obtained.
REFERENCES:
patent: 3034262 (1962-05-01), Pawlson
patent: 3262228 (1966-07-01), Schenck
patent: 3566543 (1971-03-01), Fogle
patent: 3788010 (1974-01-01), Goff
patent: 3827188 (1974-08-01), Fuma
patent: 3864876 (1975-02-01), Diehn
Bergh John C.
Diehn Philip H.
Kelly Donald G.
Wheelabrator-Frye Inc.
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