Abrading – Machine – Sandblast
Patent
1999-02-26
2000-05-09
Scherbel, David A.
Abrading
Machine
Sandblast
451 85, 451328, B24C 314
Patent
active
060596392
ABSTRACT:
A shot blast machine for cleaning workpieces that includes two tumbler sections and at least one blast wheel for impelling abrasive particles. Both tumbler sections have a surface with an ingress and an egress for supporting and tumbling the workpieces under the path of abrasive particles. Though horizontally adjacent, the two surfaces are vertically displaced relative to each other. The vertical displacement of the surfaces forms a step to induce an additional tumble of the workpieces as they tumble from the egress of the first tumbler section to the ingress of the second tumbler section, thereby encouraging the shot blasting of every surface on the workpieces in a timely manner. The degree of tilt of the surfaces is selectively adjustable, thereby allowing substantial control over the duration of the cleaning cycle. Each tumbler section is formed from a flexible belt which is maintained in a desirable U-shape by a cylindrical drum which also creates a cantilever relation of the rotating drum and the moving belt.
REFERENCES:
patent: 1882443 (1932-10-01), Pelk
patent: 2574867 (1951-11-01), Gladfelter
patent: 3585758 (1971-06-01), Harper
patent: 3690068 (1972-09-01), Coss et al.
patent: 4218854 (1980-08-01), Hunziker
Kuehn Udo
Lutsko Dwight E.
B&U Corporation
Ojini Anthony
Scherbel David A.
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