|  | B |
SECTION B — PERFORMING OPERATIONS; TRANSPORTING

SEPARATING; MIXING

|  | B01 - B07 |
Subsection index
LIQUID/LIQUID, LIQUID/GAS OR GAS/GAS SEPARATION |
Method |
General operations | B01D
by centrifugal force, using centrifuges or free-vortex apparatus | B01D
using magnetic or electrostatic effect | B03C
Apparatus |
General operations | B01D
by centrifugal force, using centrifuges or free-vortex apparatus | B04B, B04C
using magnetic or electrostatic effect | B03C
SOLID/LIQUID OR SOLID/GAS SEPARATION |
Method |
General operations | B01D
by centrifugal force | B01D
using centrifuges or free-vortex apparatus | B01D
using magnetic or electrostatic effect | B03C
Apparatus |
General operations | B01D
by centrifugal force | B01D
using centrifuges or free-vortex apparatus | B04B, B04C
using magnetic or electrostatic effect | B03C
SOLID/SOLID SEPARATION |
Method |
Dry methods |
material in bulk | B07B
Individual sorting | B07C
Screening, sifting, pneumatic sorting | B07B
using pneumatic tables or jigs | B03B
by magnetic or electrostatic effect | B03C
by centrifugal force | B07B
using centrifuges or free-vortex apparatus | B07B
Wet methods |
General operations | B03B
flotation, differential sedimentation | B03D
screening | B07B
Combinations Dry methods - wet methods | B03B
Apparatus |
Dry methods |
material in bulk | B07B
Individual sorting | B07C
Screening, sifting, pneumatic sorting | B07B
using pneumatic tables or jigs | B03B
by magnetic or electrostatic effect | B03C
by centrifugal force | B07B
using centrifuges or free-vortex apparatus | B04B, B04C
Wet methods |
General operations | B03B
flotation, differential sedimentation | B03D
screening | B07B
Combinations Dry methods - wet methods | B03B

|  | B08 |
CLEANING

|  | B08B |
CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL (brushes Fulltext... Hierarchy... Expanded...A46; devices for domestic or like cleaning Fulltext... Hierarchy... Expanded...A47L; separation of particles from liquids or gases Fulltext... Hierarchy... Expanded...B01D; separation of solids Fulltext... Hierarchy... Expanded...B03, Fulltext... Hierarchy... Expanded...B07; spraying or applying liquids or other fluent materials to surfaces in general Fulltext... Hierarchy... Expanded...B05; cleaning devices for conveyers Fulltext... Hierarchy... Expanded...B65G 45/10; concurrent cleaning, filling and closing of bottles Fulltext... Hierarchy... Expanded...B67C 7/00; inhibiting corrosion or incrustation in general Fulltext... Hierarchy... Expanded...C23; cleaning streets, permanent ways, beaches or land Fulltext... Hierarchy... Expanded...E01H; parts, details or accessories of swimming or splash baths or pools, specially adapted for cleaning Fulltext... Hierarchy... Expanded...E04H 4/16; preventing or removing electrostatic charges Fulltext... Hierarchy... Expanded...H05F)

|  | B08B |
Note(s) This subclass covers only cleaning, which is usually classified according to one (or more) of the aspects mentioned below, if it is not fully classifiable in a subclass providing for any of the following aspects: the articles cleaned, e.g. bed-pans, urinal or other sanitary devices for bed-ridden persons Fulltext... Hierarchy... Expanded...A61G 9/02, filters, semi-permeable membranes Fulltext... Hierarchy... Expanded...B01D, castings and moulds Fulltext... Hierarchy... Expanded...B22D 29/00, vehicles Fulltext... Hierarchy... Expanded...B60S, coke ovens Fulltext... Hierarchy... Expanded...C10B 43/00, building forms Fulltext... Hierarchy... Expanded...E04G, boilers Fulltext... Hierarchy... Expanded...F22, combustion apparatus Fulltext... Hierarchy... Expanded...F23J, furnaces Fulltext... Hierarchy... Expanded...F27; the general nature of the cleaning, e.g. preparing for sugar manufacture Fulltext... Hierarchy... Expanded...A23N, domestic cleaning Fulltext... Hierarchy... Expanded...A47L, treatment of textiles Fulltext... Hierarchy... Expanded...D06, laundry Fulltext... Hierarchy... Expanded...D06F, air-conditioning Fulltext... Hierarchy... Expanded...F24F; the particular operation performed, e.g. filtering Fulltext... Hierarchy... Expanded...B01D, separating of solids Fulltext... Hierarchy... Expanded...B03, Fulltext... Hierarchy... Expanded...B07, sand-blasting Fulltext... Hierarchy... Expanded...B24C; the particular apparatus or device, e.g. brushes Fulltext... Hierarchy... Expanded...A46B, mops Fulltext... Hierarchy... Expanded...A47L, centrifuges Fulltext... Hierarchy... Expanded...B04, hand tools Fulltext... Hierarchy... Expanded...B25; the substance cleaned, e.g. metals Fulltext... Hierarchy... Expanded...B21C, Fulltext... Hierarchy... Expanded...C23, water Fulltext... Hierarchy... Expanded...C02, glass Fulltext... Hierarchy... Expanded...C03B, leather Fulltext... Hierarchy... Expanded...C14B, textile fibres Fulltext... Hierarchy... Expanded...D01; the substance removed (or prevented from depositing or forming), e.g. implements or apparatus for removing dry paint from surfaces Fulltext... Hierarchy... Expanded...B44D 3/16, chemical paint-removers Fulltext... Hierarchy... Expanded...C09D 9/00, preventing rust Fulltext... Hierarchy... Expanded...C23F; the substance used, e.g. macromolecular compounds or compositions Fulltext... Hierarchy... Expanded...C08, anti-icing materials Fulltext... Hierarchy... Expanded...C09K, detergents Fulltext... Hierarchy... Expanded...C11D; the operation in connection with which cleaning is done, e.g. metal rolling Fulltext... Hierarchy... Expanded...B21B, metal boring Fulltext... Hierarchy... Expanded...B23B, soldering Fulltext... Hierarchy... Expanded...B23K, textile fabrication Fulltext... Hierarchy... Expanded...D01G, Fulltext... Hierarchy... Expanded...D01H, Fulltext... Hierarchy... Expanded...D03J, Fulltext... Hierarchy... Expanded...D04B; the surroundings of a surface to be cleaned or kept clean, e.g. water in a boiler Fulltext... Hierarchy... Expanded...C02F, air in a room Fulltext... Hierarchy... Expanded...F24F. Processes using enzymes or micro-organisms in order to: liberate, separate or purify a pre-existing compound or composition, or to treat textiles or clean solid surfaces of materials are further classified in subclass Fulltext... Hierarchy... Expanded...C12S. [5]

|  | B08B |
Subclass index
CLEANING CHARACTERISED BY THE MEANS USED | 1/00, 3/00, 5/00, 6/00, 7/00
CLEANING HOLLOW, FLEXIBLE OR DELICATE ARTICLES | 9/00, 11/00
ACCESSORIES OR DETAILS OF MACHINES | 13/00
PREVENTING FOULING OR ESCAPE OF DIRT OR FUMES | 15/00, 17/00

P:80 |  | B08B 1/00 |
Cleaning by methods involving the use of tools, brushes, or analogous members (Fulltext... Hierarchy... Expanded...B08B 3/12, Fulltext... Hierarchy... Expanded...B08B 6/00, Fulltext... Hierarchy... Expanded...B08B 9/00 take precedence) [2]

|  | B08B 1/02 |
· | Cleaning travelling work, e.g. a web, articles on a conveyer

|  | B08B 1/04 |
· | using rotary operative members (Fulltext... Hierarchy... Expanded...B08B 1/02 takes precedence)

P:50 |  | B08B 3/00 |
Cleaning by methods involving the use or presence of liquid or steam (Fulltext... Hierarchy... Expanded...B08B 9/00 takes precedence)

|  | B08B 3/02 |
· | Cleaning by the force of jets or sprays

|  | B08B 3/04 |
· | Cleaning involving contact with liquid

|  | B08B 3/06 |
· · | using perforated drums in which the article or material is placed

|  | B08B 3/08 |
· · | the liquid having chemical or dissolving effect (substances used, see the relevant classes)

|  | B08B 3/10 |
· · | with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity, by vibration

|  | B08B 3/12 |
· · · | by sonic or ultrasonic vibrations (washing or rinsing machines for crockery or tableware using sonic or ultrasonic waves Fulltext... Hierarchy... Expanded...A47L 15/13; of natural teeth, of prostheses using ultrasonic techniques similar to those used for natural teeth Fulltext... Hierarchy... Expanded...A61C 17/20; application of ultrasonic vibrations to chemical, physical, or physico-chemical processes in general Fulltext... Hierarchy... Expanded...B01J 19/10) [2,5]

|  | B08B 3/14 |
· · · | Removing waste, e.g. labels, from cleaning liquid (treatment of water in general Fulltext... Hierarchy... Expanded...C02F) [5]

P:70 |  | B08B 5/00 |
Cleaning by methods involving the use of air flow or gas flow (Fulltext... Hierarchy... Expanded...B08B 6/00, Fulltext... Hierarchy... Expanded...B08B 9/00 take precedence) [2,7]

|  | B08B 5/02 |
· | Cleaning by the force of jets, e.g. blowing-out cavities

|  | B08B 5/04 |
· | Cleaning by suction, with or without auxiliary action (suction cleaners Fulltext... Hierarchy... Expanded...A47L)

P:30 |  | B08B 6/00 |
Cleaning by electrostatic means (domestic cleaning implements functioning electrostatically Fulltext... Hierarchy... Expanded...A47L 13/40; cleaning of grooved record carriers Fulltext... Hierarchy... Expanded...G11B 3/58) [2]

P:0 |  | B08B 7/00 |
Cleaning by methods not provided for in a single other subclass or a single group in this subclass

|  | B08B 7/02 |
· | by distortion, beating, or vibration of the surface to be cleaned

|  | B08B 7/04 |
· | by a combination of operations

P:40 |  | B08B 9/00 |
Cleaning hollow articles by methods or apparatus specially adapted thereto (Fulltext... Hierarchy... Expanded...B08B 3/12, Fulltext... Hierarchy... Expanded...B08B 6/00 take precedence) [2]

|  | B08B 9/02 |
· | Cleaning pipes or tubes or systems of pipes or tubes (apparatus for cleaning metal pipes by chemical methods Fulltext... Hierarchy... Expanded...C23G 3/04) [5]

|  | B08B 9/023 |
· · | Cleaning the external surfaces [7]

|  | B08B 9/027 |
· · | Cleaning the internal surfaces; Removal of blockages [7]

|  | B08B 9/032 |
· · · | by the mechanical action of a moving fluid, e.g. by flushing (Fulltext... Hierarchy... Expanded...B08B 9/04 takes precedence) [7]

|  | B08B 9/035 |
· · · · | by suction [7]

|  | B08B 9/04 |
· · · | using cleaning devices introduced into and moved along the pipes [1,7]

|  | B08B 9/043 |
· · · · | moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes [7]

|  | B08B 9/045 |
· · · · · | the cleaning devices being rotated while moved (Fulltext... Hierarchy... Expanded...B08B 9/047 takes precedence) [7]

|  | B08B 9/047 |
· · · · · | the cleaning devices having motors for powering cleaning tools [7]

|  | B08B 9/049 |
· · · · | having self-contained propelling means for moving the cleaning devices along the pipes [7]

|  | B08B 9/051 |
· · · · · | the cleaning devices having motors for powering cleaning tools [7]

|  | B08B 9/053 |
· · · · | moved along the pipes by a fluid, e.g. by fluid pressure or by suction [7]

|  | B08B 9/055 |
· · · · · | the cleaning devices conforming to, or being conformable to, substantially the cross-section of the pipes, e.g. pigs or moles [7]

|  | B08B 9/057 |
· · · · · | the cleaning devices being entrained discrete elements, e.g. balls, grinding elements, brushes [7]

|  | B08B 9/08 |
· | Cleaning of containers, e.g. tanks

|  | B08B 9/087 |
· · | by methods involving the use of tools, e.g. brushes, scrapers (Fulltext... Hierarchy... Expanded...B08B 9/20 takes precedence) [5]

|  | B08B 9/093 |
· · | by the force of jets or sprays (Fulltext... Hierarchy... Expanded...B08B 9/20 takes precedence) [5]

|  | B08B 9/20 |
· · | by using apparatus into or on to which containers, e.g. bottles, jars, cans, are brought [5]

|  | B08B 9/22 |
· · · | the apparatus cleaning by soaking alone [5]

|  | B08B 9/24 |
· · · · | and having conveyers [5]

|  | B08B 9/26 |
· · · · · | Rotating conveyers [5]

|  | B08B 9/28 |
· · · | the apparatus cleaning by splash, spray or jet application, with or without soaking [5]

|  | B08B 9/30 |
· · · · | and having conveyers [5]

|  | B08B 9/32 |
· · · · · | Rotating conveyers [5]

|  | B08B 9/34 |
· · · · | Arrangement of conduits or nozzles [5]

|  | B08B 9/36 |
· · · | the apparatus cleaning by using brushes [5]

|  | B08B 9/38 |
· · · | the apparatus cleaning by using scrapers, chains, grains of shot, sand or other abrasive means (abrasive blasting in general Fulltext... Hierarchy... Expanded...B24C) [5]

|  | B08B 9/40 |
· · · | the apparatus cleaning by burning out [5]

|  | B08B 9/42 |
· · · | the apparatus being characterised by means for conveying or carrying containers therethrough [5]

|  | B08B 9/44 |
· · · · | the means being for loading or unloading the apparatus [5]

|  | B08B 9/46 |
· · | Inspecting cleaned containers for cleanliness [5]

P:60 |  | B08B 11/00 |
Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto (Fulltext... Hierarchy... Expanded...B08B 3/12, Fulltext... Hierarchy... Expanded...B08B 6/00 take precedence) [2]

|  | B08B 11/02 |
· | Devices for holding articles during cleaning

|  | B08B 11/04 |
· | specially adapted for plate glass, e.g. prior to manufacture of windshields (cleaning the gap between permanently secured panes Fulltext... Hierarchy... Expanded...E06B 3/677)

P:90 |  | B08B 13/00 |
Accessories or details of general applicability for machines or apparatus for cleaning

P:20 |  | B08B 15/00 |
Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area (parts, details or accessories of cooking-vessels for withdrawing or condensing cooking vapours from such vessels Fulltext... Hierarchy... Expanded...A47J 36/38; refuse disposal Fulltext... Hierarchy... Expanded...B65F; devices for conducting smoke or fumes, e.g. flues, Fulltext... Hierarchy... Expanded...F23J 11/00; removing cooking fumes from domestic stoves or ranges Fulltext... Hierarchy... Expanded...F24C 15/20; air-conditioning, ventilation Fulltext... Hierarchy... Expanded...F24F) [5]

|  | B08B 15/02 |
· | using chambers or hoods covering the area

|  | B08B 15/04 |
· | from a small area, e.g. a tool

P:10 |  | B08B 17/00 |
Methods preventing fouling

|  | B08B 17/02 |
· | Preventing deposition of fouling or of dust

|  | B08B 17/04 |
· · | by using removable coverings

|  | B08B 17/06 |
· · | by giving articles subject to fouling a special shape for arrangement