B
SECTION B — PERFORMING OPERATIONS; TRANSPORTING
 B01 - 
B07
Subsection index
LIQUID/LIQUID, LIQUID/GAS OR GAS/GAS SEPARATION
Method
General operationsB01D
by centrifugal force, using centrifuges or free-vortex apparatusB01D
using magnetic or electrostatic effectB03C
Apparatus
General operationsB01D
by centrifugal force, using centrifuges or free-vortex apparatusB04B, B04C
using magnetic or electrostatic effectB03C
SOLID/LIQUID OR SOLID/GAS SEPARATION
Method
General operationsB01D
by centrifugal forceB01D
using centrifuges or free-vortex apparatusB01D
using magnetic or electrostatic effectB03C
Apparatus
General operationsB01D
by centrifugal forceB01D
using centrifuges or free-vortex apparatusB04B, B04C
using magnetic or electrostatic effectB03C
SOLID/SOLID SEPARATION
Method
Dry methods
material in bulkB07B
Individual sortingB07C
Screening, sifting, pneumatic sortingB07B
using pneumatic tables or jigsB03B
by magnetic or electrostatic effectB03C
by centrifugal forceB07B
using centrifuges or free-vortex apparatusB07B
Wet methods
General operationsB03B
flotation, differential sedimentationB03D
screeningB07B
Combinations Dry methods - wet methodsB03B
Apparatus
Dry methods
material in bulkB07B
Individual sortingB07C
Screening, sifting, pneumatic sortingB07B
using pneumatic tables or jigsB03B
by magnetic or electrostatic effectB03C
by centrifugal forceB07B
using centrifuges or free-vortex apparatusB04B, B04C
Wet methods
General operationsB03B
flotation, differential sedimentationB03D
screeningB07B
Combinations Dry methods - wet methodsB03B
  
PRINTING
 B42
BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
 B42F
SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING (reading desks A47B 19/00; book rests A47B 23/00)
 B42F

Note(s)

In this subclass, the following expression is used with the meaning indicated:

  • "filing appliance" means holders for collections of papers, sheets, cards, or units thereof, each paper, sheet, card, or unit being individually insertable and extractable. This expression may thus include a calendar, an instruction manual, or a letter file.

 B42F
Subclass index
SHEETS ATTACHED TOGETHER: WITHOUT PERFORATING; USING PERFORATIONS; TO OBJECTS 1/00; 3/00; 5/00
FILING APPLIANCES
Without fastening means 7/00
With fastening means: with clamping action; with separate holding means; using perforations 9/00; 11/00; 13/00
Suspended 15/00
Special for cards; file cards 17/00; 19/00
Other filing appliances 23/00
INDEXING MEANS 21/00
 B42F 1/00 - 
B42F 5/00
Sheets temporarily attached together; Means therefor; Albums
P:20 B42F 1/00
Sheets temporarily attached together without perforating; Means therefor
P:10 B42F 3/00
Sheets temporarily attached together involving perforations; Means therefor; Sheet details therefor (staples, fasteners in general F16B)
P:0 B42F 5/00
Sheets and objects temporarily attached together; Means therefor; Albums (bookbinding aspects of albums B42D 1/00; advertising or display aspects G09)
 B42F 7/00 - 
B42F 21/00
Filing appliances
P:90 B42F 7/00
Filing appliances without fastening means (B42F 17/00 takes precedence; suspension files B42F 15/00; wallets, notecases, briefcases A45C, e.g. A45C 1/00; furniture features A47B, A47F; envelopes B65D, e.g. B65D 27/00)
P:70 B42F 9/00
Filing appliances with devices clamping file edges; Covers with clamping backs (B42F 13/00, B42F 17/00 take precedence)
P:80 B42F 11/00
Filing appliances with separate intermediate holding means (B42F 17/00 takes precedence; with adhesive strips for mounting papers or sheets B42D 1/00)
P:60 B42F 13/00
Filing appliances with means for engaging perforations or slots (B42F 17/00 takes precedence; indexing features B42F 21/00)
P:50 B42F 15/00
Suspended filing appliances (indexing features B42F 21/00; hanging of books, newspapers, or the like B42D 17/00)
P:40 B42F 17/00
Card-filing arrangements, e.g. card indexes or catalogues or filing cabinets (indexing features B42F 21/00; furniture features A47B, A47F)
P:100 B42F 19/00
File cards (B42F 21/00 takes precedence; punched cards for information retrieval, e.g. for manual use, G06K 21/00)
P:30 B42F 21/00
Indexing means; Indexing tabs or protectors therefor
   
P:110 B42F 23/00
Filing appliances not provided for in other groups of this subclass  [8]