US PATENT SUBCLASS 15 / 256.51
.~.~ Roll cleaners

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


15 /   HD   BRUSHING, SCRUBBING, AND GENERAL CLEANING

246  DF  ATTACHMENTS {8}
256.5  DF  .~ Moving surface scraper, wiper, or brush {2}
256.51.~.~ Roll cleaners {2}
256.52  DF  .~.~.~> Rotary
256.53  DF  .~.~.~> Reciprocating or traveling

DEFINITION

Classification: 15/256.51

(under subclass 256.5) Apparatus in which the working surface to be cleaned is a rotating cylindrical member and the cleaning means is in actual physical contact with the moving surface to be cleaned.

SEE OR SEARCH CLASS

19, Textiles: Fiber Preparation,

262+, for roll clearing means in which no actual physical contact is claimed. Many patents for the catching of "fly" or fugitive fibers are placed here.

165, Heat Exchange,

91, for a rotary heat exchanger drum with a surface scraper.