<titlePart> <text>SECTION B <emdash/> PERFORMING OPERATIONS</text> </titlePart> <titlePart> <text>TRANSPORTING</text> </titlePart>

<titlePart> <text>SECTION B <emdash/> PERFORMING OPERATIONS</text> </titlePart> <titlePart> <text>TRANSPORTING</text> </titlePart> LIQUID/LIQUID, LIQUID/GAS OR GAS/GAS SEPARATION Method General operations by centrifugal force, using centrifuges or free-vortex apparatus using magnetic or electrostatic effect Apparatus General operations by centrifugal force, using centrifuges or free-vortex apparatus , using magnetic or electrostatic effect SOLID/LIQUID OR SOLID/GAS SEPARATION Method General operations by centrifugal force using centrifuges or free-vortex apparatus using magnetic or electrostatic effect Apparatus General operations by centrifugal force using centrifuges or free-vortex apparatus , using magnetic or electrostatic effect SOLID/SOLID SEPARATION Method Dry methods material in bulk Individual sorting Screening, sifting, pneumatic sorting using pneumatic tables or jigs by magnetic or electrostatic effect by centrifugal force using centrifuges or free-vortex apparatus Wet methods General operations flotation, differential sedimentation screening Combinations Dry methods - wet methods Apparatus Dry methods material in bulk Individual sorting Screening, sifting, pneumatic sorting using pneumatic tables or jigs by magnetic or electrostatic effect by centrifugal force using centrifuges or free-vortex apparatus , Wet methods General operations flotation, differential sedimentation screening Combinations Dry methods - wet methods <titlePart> <text>PRINTING</text> </titlePart> <titlePart> <text>BOOKBINDING</text> </titlePart> <titlePart> <text>ALBUMS</text> </titlePart> <titlePart> <text>FILES</text> </titlePart> <titlePart> <text>SPECIAL PRINTED MATTER</text> </titlePart> <titlePart> <text>PERMANENTLY ATTACHING TOGETHER SHEETS, QUIRES, OR SIGNATURES, OR PERMANENTLY ATTACHING OBJECTS THERETO</text> <entryReference>nailing or stapling in general <sref ref="B25C"/>, <sref ref="B27F"/></entryReference> <entryReference>machines for both collating or gathering and permanently attaching together sheets or signatures <sref ref="B42C0001120000"/></entryReference> <entryReference>temporarily attaching sheets together <sref ref="B42F"/></entryReference> </titlePart> <titlePart> <text>BOOKBINDING</text> <entryReference>cutting or perforating machines, devices, or tools <sref ref="B26"/></entryReference> <entryReference>folding sheets or webs <sref ref="B31F"/></entryReference> <entryReference>ornamenting books <sref ref="B44"/></entryReference> </titlePart> OPERATION Collating or gathering; preparing edges or backs; manufacturing cases or covers ; ; Permanently attaching; casing-in , ; Jacketing Rebinding Other operations , COMBINED OPERATIONS , EQUIPMENT SUBJECT MATTER NOT PROVIDED FOR IN OTHER GROUPS OF THIS SUBCLASS <titlePart> <text>BOOKS</text> </titlePart> <titlePart> <text>BOOK COVERS</text> </titlePart> <titlePart> <text>LOOSE LEAVES</text> </titlePart> <titlePart> <text>PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR</text> </titlePart> <titlePart> <text>DEVICES FOR USE THEREWITH</text> </titlePart> <titlePart> <text>MOVABLE-STRIP WRITING OR READING APPARATUS</text> <entryReference>book stands <sref ref="A47B"/></entryReference> <entryReference>reading desks <sref ref="A47B0019000000"/></entryReference> <entryReference>book rests <sref ref="A47B0023000000"/></entryReference> </titlePart> BOOKS; PADS OR BLOCKS; NEWSPAPERS ; ; BOOK-KEEPING BOOKS LOOSE LEAVES FOR BINDING, SPECIAL PRINTED MATTER , BOOK COVERS MOVABLE-STRIP APPARATUS ACCESSORIES , , <titlePart> <text>SHEETS TEMPORARILY ATTACHED TOGETHER</text> </titlePart> <titlePart> <text>FILING APPLIANCES</text> </titlePart> <titlePart> <text>FILE CARDS</text> </titlePart> <titlePart> <text>INDEXING</text> <entryReference>reading desks <sref ref="A47B0019000000"/></entryReference> <entryReference>book rests <sref ref="A47B0023000000"/></entryReference> </titlePart> 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. SHEETS ATTACHED TOGETHER: WITHOUT PERFORATING; USING PERFORATIONS; TO OBJECTS ; ; FILING APPLIANCES Without fastening means With fastening means: with clamping action; with separate holding means; using perforations ; ; Suspended Special for cards; file cards ; Other filing appliances INDEXING MEANS