US PATENT SUBCLASS 401 / 197
.~ Hollow roller


Current as of: June, 1999
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401 /   HD   COATING IMPLEMENTS WITH MATERIAL SUPPLY

196  DF  MATERIAL FLOWS THROUGH POROUS TOOL {8}
197.~ Hollow roller


DEFINITION

Classification: 401/197

(under subclass 196) Implement wherein the tool is in the form of a hollow cylinder rotatably mounted on the implement and the material flows from the interior of the cylinder through interstices in its peripheral wall.

SEE OR SEARCH THIS CLASS, SUBCLASS:

208+, for an implement whose tool is a nonporous roller, or wherein the roller is of porous material but the material is supplied to the outer surface of the tool.