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
 B42F 1/02
·  Paper-clips or like fasteners (B42F 1/12 takes precedence)
 B42F 1/04
·  ·  metallic
 B42F 1/06
·  ·  ·  of flat cross-section
 B42F 1/08
·  ·  ·  of round cross-section
 B42F 1/10
·  ·  non-metallic
 B42F 1/12
·  Means for attaching together sheet corners exclusively
P:10 B42F 3/00
Sheets temporarily attached together involving perforations; Means therefor; Sheet details therefor (staples, fasteners in general F16B)
 B42F 3/02
·  Attachment means of bifurcated form
 B42F 3/04
·  Attachment means of ring, finger, or claw form (ring files B42F 13/16; using such means for permanent attachment B42B 5/08)  [2]
 B42F 3/06
·  Attachment means of coiled form
P:0 B42F 5/00
Sheets and objects temporarily attached together; Means therefor; Albums (bookbinding aspects of albums B42D 1/08; advertising or display aspects G09)
 B42F 5/02
·  Stamp or like filing arrangements in albums
 B42F 5/04
·  ·  with transparent pockets
 B42F 5/06
·  Corner-holding devices, e.g. for photographs
 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)
 B42F 7/02
·  Single gussetted pockets
 B42F 7/04
·  Covers with retention means
 B42F 7/06
·  Portfolios or cases with a plurality of compartments (indexing features B42F 21/00)
 B42F 7/08
·  ·  expansible
 B42F 7/10
·  Trays
 B42F 7/12
·  ·  Stacked trays
 B42F 7/14
·  Boxes (box features in general B65D)
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 1/10)
 B42F 11/02
·  engaging folds (B42F 11/04 takes precedence)
 B42F 11/04
·  magnetic
P:60 B42F 13/00
Filing appliances with means for engaging perforations or slots (B42F 17/00 takes precedence; indexing features B42F 21/00)
 B42F 13/02
·  with flexible or resilient means
 B42F 13/04
·  ·  with cords, coils, or chains
 B42F 13/06
·  ·  with strips or bands
 B42F 13/08
·  ·  ·  of metal
 B42F 13/10
·  ·  ·  of plastics
 B42F 13/12
·  with pillars, posts, rods, or tubes (B42F 13/30 takes precedence)
 B42F 13/14
·  ·  with clamping or locking means (pressure bars B42F 13/36)
 B42F 13/16
·  with claws or rings (B42F 13/30 takes precedence; for permanent binding B42B 5/08)
 B42F 13/18
·  ·  on two bars relatively movable longitudinally
 B42F 13/20
·  ·  pivotable about an axis or axes parallel to binding edges
 B42F 13/22
·  ·  ·  in two sections engaging each other when closed
 B42F 13/24
·  ·  ·  ·  wherein one section is in the form of fixed rods
 B42F 13/26
·  ·  ·  ·  and locked when so engaged, e.g. snap action
 B42F 13/28
·  ·  ·  in two staggered sections
 B42F 13/30
·  having a set of rods within a set of tubes for a substantial distance when closed
 B42F 13/32
·  ·  the nesting portions of the rods and tubes being straight
 B42F 13/34
·  ·  ·  with the rods locking in the tubes
 B42F 13/36
·  Locking followers; Pressure bars
 B42F 13/38
·  Expansible cover splines
 B42F 13/40
·  combined or formed with other articles, e.g. punches, stands
 B42F 13/42
·  Content-transfer devices; Converting into permanent binders
P:50 B42F 15/00
Suspended filing appliances (indexing features B42F 21/00; hanging of books, newspapers, or the like B42D 17/00)
 B42F 15/02
·  in concertina form
 B42F 15/04
·  Backs or the like therefor
 B42F 15/06
·  for hanging large drawings or the like
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)
 B42F 17/02
·  in which the cards are stored substantially at right angles to the bottom of their containers
 B42F 17/04
·  ·  the cards being staggered sideways (with means for staggering cards already in the file B42F 17/32)  [2]
 B42F 17/06
·  ·  with separable or loose card-separating means
 B42F 17/08
·  ·  Construction of the containers, e.g. trays or drawers
 B42F 17/10
·  ·  ·  Hinged walls
 B42F 17/12
·  ·  ·  Dividing means
 B42F 17/14
·  ·  ·  Locking followers
 B42F 17/16
·  ·  ·  with card-retaining means
 B42F 17/18
·  in which the cards are stored in a flat position
 B42F 17/20
·  ·  and are pivotable relative to the bottom of their containers
 B42F 17/22
·  ·  ·  Connections between the cards and their containers
 B42F 17/24
·  ·  ·  Special adaptations for use of index strips
 B42F 17/26
·  ·  ·  Stands for the containers
 B42F 17/28
·  in the form of endless bands or revolving drums
 B42F 17/30
·  modified for particular uses
 B42F 17/32
·  with means for staggering cards already in the file  [2]
 B42F 17/34
·  with card-selection means, e.g. telephone-number list finders (selecting devices for data cards G06K 21/00)
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)
 B42F 19/02
·  folded
 B42F 19/04
·  with receptacles or other holding devices
P:30 B42F 21/00
Indexing means; Indexing tabs or protectors therefor
 B42F 21/02
·  Tabs integral with sheets, papers, cards, or suspension files
 B42F 21/04
·  Tabs permanently fastened to sheets, papers, cards, or suspension files
 B42F 21/06
·  Tabs detachably mounted on sheets, papers, cards, or suspension files
 B42F 21/08
·  ·  in one of a number of predetermined positions
 B42F 21/10
·  ·  ·  represented by slits
 B42F 21/12
·  Sheets, papers, or cards having edges cut away to facilitate indexing, e.g. thumb cuts on books
P:110 B42F 23/00
Filing appliances not provided for in other groups of this subclass  [8]