|  | B |
SECTION B — PERFORMING OPERATIONS; TRANSPORTING

|  | 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

PRINTING

|  | B42 |
BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER

|  | B42F |
SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING (reading desks Fulltext... Hierarchy... Expanded...A47B 19/00; book rests Fulltext... Hierarchy... Expanded...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 (Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...F16B)

|  | B42F 3/02 |
· | Attachment means of bifurcated form

|  | B42F 3/04 |
· | Attachment means of ring, finger, or claw form (ring files Fulltext... Hierarchy... Expanded...B42F 13/16; using such means for permanent attachment Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...B42D 1/08; advertising or display aspects Fulltext... Hierarchy... Expanded...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 (Fulltext... Hierarchy... Expanded...B42F 17/00 takes precedence; suspension files Fulltext... Hierarchy... Expanded...B42F 15/00; wallets, notecases, briefcases Fulltext... Hierarchy... Expanded...A45C, e.g. Fulltext... Hierarchy... Expanded...A45C 1/00; furniture features Fulltext... Hierarchy... Expanded...A47B, Fulltext... Hierarchy... Expanded...A47F; envelopes Fulltext... Hierarchy... Expanded...B65D, e.g. Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...B42F 21/00)

|  | B42F 7/08 |
· · | expansible

|  | B42F 7/10 |
· | Trays

|  | B42F 7/12 |
· · | Stacked trays

|  | B42F 7/14 |
· | Boxes (box features in general Fulltext... Hierarchy... Expanded...B65D)

P:70 |  | B42F 9/00 |
Filing appliances with devices clamping file edges; Covers with clamping backs (Fulltext... Hierarchy... Expanded...B42F 13/00, Fulltext... Hierarchy... Expanded...B42F 17/00 take precedence)

P:80 |  | B42F 11/00 |
Filing appliances with separate intermediate holding means (Fulltext... Hierarchy... Expanded...B42F 17/00 takes precedence; with adhesive strips for mounting papers or sheets Fulltext... Hierarchy... Expanded...B42D 1/10)

|  | B42F 11/02 |
· | engaging folds (Fulltext... Hierarchy... Expanded...B42F 11/04 takes precedence)

|  | B42F 11/04 |
· | magnetic

P:60 |  | B42F 13/00 |
Filing appliances with means for engaging perforations or slots (Fulltext... Hierarchy... Expanded...B42F 17/00 takes precedence; indexing features Fulltext... Hierarchy... Expanded...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 (Fulltext... Hierarchy... Expanded...B42F 13/30 takes precedence)

|  | B42F 13/14 |
· · | with clamping or locking means (pressure bars Fulltext... Hierarchy... Expanded...B42F 13/36)

|  | B42F 13/16 |
· | with claws or rings (Fulltext... Hierarchy... Expanded...B42F 13/30 takes precedence; for permanent binding Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...B42F 21/00; hanging of books, newspapers, or the like Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...B42F 21/00; furniture features Fulltext... Hierarchy... Expanded...A47B, Fulltext... Hierarchy... Expanded...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 curds already in the file Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...G06K 21/00)

P:100 |  | B42F 19/00 |
File cards (Fulltext... Hierarchy... Expanded...B42F 21/00 takes precedence; punched cards for information retrieval, e.g. for manual use, Fulltext... Hierarchy... Expanded...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]