<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>SHAPING</text> </titlePart> <titlePart> <text>HAND CUTTING TOOLS</text> </titlePart> <titlePart> <text>CUTTING</text> </titlePart> <titlePart> <text>SEVERING</text> </titlePart> <titlePart> <text>PERFORATING</text> </titlePart> <titlePart> <text>PUNCHING</text> </titlePart> <titlePart> <text>CUTTING-OUT</text> </titlePart> <titlePart> <text>STAMPING-OUT</text> </titlePart> <titlePart> <text>SEVERING BY MEANS OTHER THAN CUTTING</text> <entryReference>marking-out, perforating or making buttonholes <sref ref="A41H0025000000"/></entryReference> <entryReference>manufacturing footwear <sref ref="A43D"/></entryReference> <entryReference>surgery <sref ref="A61B"/></entryReference> <entryReference>punching metal <sref ref="B21D"/></entryReference> <entryReference>drilling metal <sref ref="B23B"/></entryReference> <entryReference>cutting of metal by applying heat locally, e.g. flame cutting, <sref ref="B23K"/></entryReference> <entryReference>cutting by abrasive fluid jets <sref ref="B24C0005020000"/></entryReference> <entryReference>details common to machines for severing <sref ref="B26D"/></entryReference> <entryReference>drilling wood <sref ref="B27C"/></entryReference> <entryReference>drilling stone <sref ref="B28D"/></entryReference> <entryReference>working of plastics or substances in a plastic state <sref ref="B29"/></entryReference> <entryReference>making boxes, cartons, envelopes or bags, of paper or similarly worked materials, e.g. metal foil, <sref ref="B31B"/></entryReference> <entryReference>of glass <sref ref="C03B"/></entryReference> <entryReference>of leather <sref ref="C14B"/></entryReference> <entryReference>of textile materials <sref ref="D06H"/></entryReference> <entryReference>for light guides <sref ref="G02B0006250000"/></entryReference> <entryReference>of tickets <sref ref="G07B"/></entryReference> </titlePart> This subclass covers: perforating, punching, cutting-out, stamping-out; severing, by means other than cutting, non-metallic sheet material or metal foil in general; severing, by means other than cutting, other forms of non-metallic materials not otherwise provided for. Attention is drawn to Notes (1) and (2) following the title of subclass . <titlePart> <text>Perforating</text> </titlePart> <titlePart> <text>Punching</text> </titlePart> <titlePart> <text>Cutting-out</text> </titlePart> <titlePart> <text>Stamping-out</text> </titlePart> <titlePart> <text>Apparatus therefor</text> <entryReference>perforating by laser beam <sref ref="B23K0026000000"/></entryReference> <entryReference>subjecting the grinding tools or the abrading medium to vibration, e.g. grinding with ultrasonic frequency, <sref ref="B24B0001040000"/></entryReference> <entryReference>perforating by sand-blasting <sref ref="B24C"/></entryReference> <entryReference>punching cards or tapes for statistical and record purposes <sref ref="G06K0001000000"/></entryReference> </titlePart> <titlePart> <text>Perforating by punching, e.g. with relatively-reciprocating punch and bed</text> </titlePart> <titlePart> <text>with selectively-operable punches</text> </titlePart> <titlePart> <text>with punching tools moving with the work</text> </titlePart> <titlePart> <text>wherein the tools are carried by, and in operation move relative to, a rotative drum or similar support</text> </titlePart> <titlePart> <text>Roller type punches</text> </titlePart> <titlePart> <text>to notch margins of work</text> </titlePart> <titlePart> <text>Punching tools</text> </titlePart> <titlePart> <text>Punching dies</text> </titlePart> <titlePart> <text>Perforating by tool or tools of the drill type</text> </titlePart> <titlePart> <text>Perforating by slitting, i.e. forming cuts closed at their ends without removal of material</text> </titlePart> <titlePart> <text>with tools carried by a rotating drum or similar support</text> <entryReference><sref ref="B26F0001220000"/> takes precedence</entryReference> </titlePart> <titlePart> <text>to form non-rectilinear cuts, e.g. for tabs</text> </titlePart> <titlePart> <text>Perforating by needles or pins</text> </titlePart> <titlePart> <text>Perforating by non-mechanical means, e.g. by fluid jet</text> </titlePart> <titlePart> <text>by electrical discharges</text> </titlePart> <titlePart> <text>by radiation</text> </titlePart> <titlePart> <text>Hand-held perforating or punching apparatus, e.g. awls</text> </titlePart> <titlePart> <text>power actuated</text> <entryReference>details or components, e.g. casings, bodies, of portable power-driven tools not particularly related to the operation performed <sref ref="B25F0005000000"/></entryReference> </titlePart> <titlePart> <text>Punching or perforating pliers</text> </titlePart> <titlePart> <text>Cutting-out</text> </titlePart> <titlePart> <text>Stamping-out</text> </titlePart> <titlePart> <text>using a press, e.g. of the ram type</text> <entryReference>presses in general <sref ref="B30B"/></entryReference> </titlePart> <titlePart> <text>having a pressure roller</text> </titlePart> <titlePart> <text>Cutters therefor</text> </titlePart> <titlePart> <text>Dies therefor</text> </titlePart> <titlePart> <text>Loose press knives</text> </titlePart> <titlePart> <text>Severing by means other than cutting</text> </titlePart> <titlePart> <text>Apparatus therefor</text> <entryReference>severing by grinding <sref ref="B24B0027060000"/></entryReference> </titlePart> <titlePart> <text>Tearing</text> </titlePart> <titlePart> <text>Severing by squeezing</text> <entryReference><sref ref="B26F0003080000"/> takes precedence</entryReference> </titlePart> <titlePart> <text>Severing by using heat</text> <entryReference>severing by laser beam <sref ref="B23K0026000000"/></entryReference> </titlePart> <titlePart> <text>with heated members</text> </titlePart> <titlePart> <text>with heated rollers or discs</text> </titlePart> <titlePart> <text>with heated wires</text> </titlePart> <titlePart> <text>by radiation</text> </titlePart>