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
 B42B
PERMANENTLY ATTACHING TOGETHER SHEETS, QUIRES, OR SIGNATURES, OR PERMANENTLY ATTACHING OBJECTS THERETO (nailing or stapling in general B25C, B27F; machines for both collating or gathering and permanently attaching together sheets or signatures B42C 1/12; temporarily attaching sheets together B42F)

 B42C
BOOKBINDING (cutting or perforating machines, devices, or tools B26; folding sheets or webs B31F; ornamenting books B44)
 B42C
Subclass index
OPERATION
Collating or gathering; preparing edges or backs; manufacturing cases or covers 1/00; 5/00; 7/00
Permanently attaching; casing-in 1/00, 9/00; 11/00
Jacketing 15/00
Rebinding 17/00
Other operations 3/00, 7/00
COMBINED OPERATIONS 1/00, 19/00
EQUIPMENT 13/00
SUBJECT MATTER NOT PROVIDED FOR IN OTHER GROUPS OF THIS SUBCLASS 99/00

 B42D
BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH; MOVABLE-STRIP WRITING OR READING APPARATUS (book stands A47B; reading desks A47B 19/00; book rests A47B 23/00)
 B42D
Subclass index
BOOKS; PADS OR BLOCKS; NEWSPAPERS 1/00; 5/00; 7/00
BOOK-KEEPING BOOKS 12/00
LOOSE LEAVES FOR BINDING, SPECIAL PRINTED MATTER 13/00, 15/00
BOOK COVERS 3/00
MOVABLE-STRIP APPARATUS 19/00
ACCESSORIES 9/00, 11/00, 17/00

 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