Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1976-04-22
1977-08-23
Smith, Al Lawrence
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51135BT, B24B 2306
Patent
active
040430839
ABSTRACT:
An endless belt sander comprising a drive pulley and an idle pulley to control an endless sanding or polishing belt having a length substantially longer than that required for surrounding the pulleys. The belt of any desired but applicable width and predetermined length is wrapped around a workpiece of limited accessibility, regardless of the diameter of such workpiece. The belt is kept from slipping on the drive pulley by use of a pressure pulley which forceably acts upon that portion of the belt engaging the drive pulley.
REFERENCES:
patent: 2556041 (1951-06-01), Pick
patent: 2751728 (1956-06-01), Petit
patent: 2976652 (1961-03-01), Bedortha
patent: 3496679 (1970-02-01), Dunn
patent: 3566549 (1971-03-01), Britton
Frijouf Robert F.
Parker Roscoe V.
Smith Al Lawrence
Stein Stefan M.
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