|  | 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

TRANSPORTING

|  | B68 |
SADDLERY; UPHOLSTERY

|  | B68G |
METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING; UPHOLSTERY NOT OTHERWISE PROVIDED FOR

|  | B68G |
Subclass index
LOOSE FILLING MATERIALS; TREATMENT THEREOF; RESILIENT PADS | 1/00; 3/00; 5/00
MAKING UPHOLSTERY; FITTING SPRINGS THEREIN | 7/00; 9/00
FINISHED UPHOLSTERY; UPHOLSTERY PANELS | 11/00; 13/00
AUXILIARY DEVICES OR TOOLS | 15/00

P:60 |  | B68G 1/00 |
Loose filling materials for upholstery (manufacture of the materials, see the relevant classes)

P:70 |  | B68G 3/00 |
Treating materials to adapt them specially as upholstery filling

|  | B68G 3/02 |
· | Cleaning; Conditioning

|  | B68G 3/04 |
· | Teasing; Untwisting ropes or cords of filling materials

|  | B68G 3/06 |
· | Curling; Twisting filling materials into ropes or cords

|  | B68G 3/08 |
· | Preparation of bed feathers from natural feathers

|  | B68G 3/10 |
· · | Cleaning or conditioning of bed feathers (Fulltext... Hierarchy... Expanded...B68G 3/02 takes precedence)

|  | B68G 3/12 |
· · | Sorting of bed feathers

P:50 |  | B68G 5/00 |
Resilient upholstery pads (finished upholstery Fulltext... Hierarchy... Expanded...B68G 11/00; waddings, fleeces, mats, or like products of fibrous structure, see the relevant classes)

|  | B68G 5/02 |
· | of cellular material, e.g. sponge rubber (shaping of plastics or substances in a plastic state for the production of porous or cellular articles Fulltext... Hierarchy... Expanded...B29C)

P:30 |  | B68G 7/00 |
Making upholstery (manufacturing upholstered panels Fulltext... Hierarchy... Expanded...B68G 13/00; sewing-machines Fulltext... Hierarchy... Expanded...D05B)

|  | B68G 7/02 |
· | Making upholstery from waddings, fleeces, mats, or the like (filling methods Fulltext... Hierarchy... Expanded...B68G 7/06)

|  | B68G 7/04 |
· · | by conveyer-line methods

|  | B68G 7/05 |
· | Covering or enveloping cores of pads

|  | B68G 7/052 |
· · | with webs secured to the core, e.g. by stitching

|  | B68G 7/054 |
· · | Arrangements of sheathings between spring cores and overlying paddings

|  | B68G 7/06 |
· | Filling of cushions, mattresses, or the like

|  | B68G 7/08 |
· | Quilting (tools Fulltext... Hierarchy... Expanded...B68G 15/00); Elements therefor

|  | B68G 7/10 |
· | Finishing of edges

|  | B68G 7/12 |
· | Other elements specially adapted for fastening, fixing, or finishing, in upholstery work

P:20 |  | B68G 9/00 |
Placing upholstery springs in pockets; Fitting springs in upholstery

P:10 |  | B68G 11/00 |
Finished upholstery not provided for in other classes

|  | B68G 11/02 |
· | mainly composed of fibrous materials

|  | B68G 11/03 |
· · | with stitched or bonded fibre webs

|  | B68G 11/04 |
· | mainly composed of resilient materials, e.g. of foam rubber

|  | B68G 11/06 |
· · | with embedded springs, e.g. bonded

P:0 |  | B68G 13/00 |
Upholstered panels (specially adapted for sound-absorption Fulltext... Hierarchy... Expanded...E04B, Fulltext... Hierarchy... Expanded...G10K)

|  | B68G 13/02 |
· | with indented pattern formed by stitching

|  | B68G 13/04 |
· | with indented pattern formed by bonding

P:40 |  | B68G 15/00 |
Auxiliary devices or tools specially for upholstery