Abrading apparatus and method having induced air
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United States of America Patent
Stats
-
Feb 26, 1980
Grant Date -
N/A
app pub date -
Jun 5, 1978
filing date -
Jun 5, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In apparatus for abrading a workpiece including a central support member having a power-driven contact roll and an idler roll mounted thereon, and an endless, abrasive belt trained over the rolls with an air space being defined between inside surfaces of the belt and the central support member, an improvement which includes pressurizing the air space for maintaining same at a pressure greater than the prevailing air pressure adjacent the outside surfaces of the belt to substantially prevent inflow of abraded debris to the air space.
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