|  | 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

SHAPING

|  | B31 |
MAKING PAPER ARTICLES; WORKING PAPER (making layered products not composed wholly of paper or cardboard Fulltext... Hierarchy... Expanded...B32B; handling thin material, e.g. sheets, webs, Fulltext... Hierarchy... Expanded...B65H)

|  | B31 |
Note(s) This class covers subject matter restricted to adaptations or associations of handling sheets, webs, or blanks peculiar to paper-working, e.g. bag or box making, machinery. This class does not cover: making articles directly from paper pulp, which is covered by Fulltext... Hierarchy... Expanded...D21J; handling sheets, webs, or blanks of wider applicability, irrespective of whether described or claimed only for paper-working machinery, which is regarded as being of a more comprehensive nature and is covered by Fulltext... Hierarchy... Expanded...B65H. In this class, the following term is used with the meaning indicated: "paper" covers material worked in a manner analogous to paper, e.g. plastics sheet materials, laminated materials or metal foils.

|  | B31F |
MECHANICAL WORKING OR DEFORMATION OF PAPER OR CARDBOARD (cutting, trimming, in general Fulltext... Hierarchy... Expanded...B26; incising, scoring, in general Fulltext... Hierarchy... Expanded...B26D 3/08; making layered products not composed wholly of paper or cardboard Fulltext... Hierarchy... Expanded...B32B; multi-ply material of paper or cardboard, its manufacture Fulltext... Hierarchy... Expanded...D21H)

P:0 |  | B31F 1/00 |
Mechanical deformation of paper or cardboard without removing material including combined deformation and laminating (embossing combined with application of ink, type marking presses, selective embossing machines Fulltext... Hierarchy... Expanded...B41F, Fulltext... Hierarchy... Expanded...B41J, Fulltext... Hierarchy... Expanded...B41K, Fulltext... Hierarchy... Expanded...B41M; machines or apparatus for embossing decorations or marks Fulltext... Hierarchy... Expanded...B44B 5/00; artists hand tools for embossing Fulltext... Hierarchy... Expanded...B44B 11/04; producing decorative effects by processes for stamping ornamental designs on surfaces Fulltext... Hierarchy... Expanded...B44C 1/24; mechanical deformation during paper or board making, kinds of paper or board Fulltext... Hierarchy... Expanded...D21) [2]

|  | B31F 1/07 |
· | Embossing (corrugating Fulltext... Hierarchy... Expanded...B31F 1/20) [3]

|  | B31F 1/08 |
· | Creasing (corrugating Fulltext... Hierarchy... Expanded...B31F 1/20; zig-zag folding Fulltext... Hierarchy... Expanded...B65H 45/20) [2]

|  | B31F 1/10 |
· · | by rotary tools

|  | B31F 1/12 |
· | Crêping paper

|  | B31F 1/14 |
· · | by doctor blades arranged crosswise to the web

|  | B31F 1/16 |
· · | by elastic belts

|  | B31F 1/18 |
· · | by tools arranged in the direction of web feed

|  | B31F 1/20 |
· | Corrugating; Corrugating combined with laminating to other paper or cardboard layers (corrugating veneer Fulltext... Hierarchy... Expanded...B27D) [2]

|  | B31F 1/22 |
· · | Making webs in which the channel of each corrugation is longitudinal with the web feed

|  | B31F 1/24 |
· · | Making webs in which the channel of each corrugation is transverse to the web feed

|  | B31F 1/26 |
· · · | by interengaging toothed cylinders [2]

|  | B31F 1/28 |
· · · · | combined with uniting the corrugated webs to flat webs

|  | B31F 1/29 |
· · · | by making use of rods, e.g. co-operating with a toothed cylinder [2]

|  | B31F 1/30 |
· · · | Tools secured to endless chains

|  | B31F 1/32 |
· · | Corrugating already corrugated webs

|  | B31F 1/36 |
· | Moistening and heating webs to facilitate mechanical deformation and drying deformed webs

P:10 |  | B31F 5/00 |
Attaching together paper or cardboard sheets, strips, or webs; Reinforcing edges of paper or cardboard (means for applying adhesive or glue Fulltext... Hierarchy... Expanded...B05C; stapling in box or like making Fulltext... Hierarchy... Expanded...B31B; attaching the replacement web to the expiring web during web-roll changing Fulltext... Hierarchy... Expanded...B65H 19/18; apparatus for splicing webs during handling Fulltext... Hierarchy... Expanded...B65H 21/00)

|  | B31F 5/02 |
· | by crimpling or slotting

|  | B31F 5/04 |
· | by exclusive use of adhesives

|  | B31F 5/06 |
· | by adhesive tape

|  | B31F 5/08 |
· · | for reinforcing edges

P:20 |  | B31F 7/00 |
Processes for working paper not otherwise provided for

|  | B31F 7/02 |
· | Breaking the coating on paper