Tumbling apparatus

Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof

Patent

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Details

241284, B24C 326

Patent

active

043332765

ABSTRACT:
A tumbling apparatus for use in drum blast machines has a first endless belt defining a pocket for receiving workpieces to be tumbled and blast cleaned by abrasive projected at high speed against the workpieces. As the workpieces are tumbled by the belt, they fall onto a portion of the pocket called the cascade zone. A second endless belt is provided underneath the cascade zone of the pocket to give support to the first belt while preventing any anvil pinching of the first belt.

REFERENCES:
patent: 2357599 (1944-09-01), Mott
patent: 2563084 (1951-08-01), Turnbull
patent: 3082857 (1963-03-01), Holloman
patent: 3669238 (1972-06-01), Folkes
patent: 3715840 (1973-02-01), Davidson
patent: 3735532 (1973-05-01), Long
patent: 3869574 (1975-03-01), Kume

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