B
SECTION B — PERFORMING OPERATIONS
  
SEPARATING AND MIXING
 B08
CLEANING
 B08B
CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL (brushes A46; devices for domestic or like cleaning A47L; separation of particles from liquids or gases B01D; separation of solids B03, B07; spraying or applying liquids or other fluent materials to surfaces in general B05; cleaning large numbers of more or less identical bottles or articles of nature and size similar to bottles, e.g. jars, B67C 1/00; inhibiting corrosion or incrustation in general C23; cleaning roads or permanent ways E01H; preventing or removing electrostatic charges H05F)
 B08B

Note(s)

Inventions relating to cleaning are usually classified according to one (or more) of the undermentioned aspects, and are only classified in this class if they are not fully classifiable in a class providing for such an aspect:

  1. the article cleaned, e.g. filters B01D, castings and moulds B22D 29/00, vehicles B60S, coke ovens C10B 43/00, building forms E04G, boilers F22, combustion apparatus F23, furnaces F27;
  2. the general nature of the cleaning, e.g. preparing for sugar manufacture A23N, domestic cleaning A47L, treatment of textiles D06, laundry D06F, air-conditioning F24F;
  3. the particular operation performed, e.g. filtering B01D, separating of solids B03, B07, sand-blasting B24C;
  4. the particular apparatus or device per se, e.g. brushes A46B, mops A47L, centrifuges B04, hand tools B25;
  5. the substance cleaned, e.g. metals B21C, C23, water C02, glass C03B, leather C14B, textile fibres D01;
  6. the substance removed (or prevented from depositing or forming), e.g. removing paint B44, C09D, preventing rust C23F;
  7. the substance used, e.g. macromolecular compounds or compositions C08, anti-icing compositions C09K, detergents C11D;
  8. the operation in connection with which cleaning is done, e.g. metal rolling B21B, metal boring B23B, soldering B23K, textile fabrication D01G, D01H, D03J, D04B;
    1. the surroundings of a surface to be cleaned or kept clean, e.g. water in a boiler C02B, air in a room F24F.