B
SECTION B — PERFORMING OPERATIONS; TRANSPORTING
 B01 - 
B07
Subsection index
LIQUID/LIQUID, LIQUID/GAS OR GAS/GAS SEPARATION
Method
General operationsB01D
by centrifugal force, using centrifuges or free-vortex apparatusB01D
using magnetic or electrostatic effectB03C
Apparatus
General operationsB01D
by centrifugal force, using centrifuges or free-vortex apparatusB04B, B04C
using magnetic or electrostatic effectB03C
SOLID/LIQUID OR SOLID/GAS SEPARATION
Method
General operationsB01D
by centrifugal forceB01D
using centrifuges or free-vortex apparatusB01D
using magnetic or electrostatic effectB03C
Apparatus
General operationsB01D
by centrifugal forceB01D
using centrifuges or free-vortex apparatusB04B, B04C
using magnetic or electrostatic effectB03C
SOLID/SOLID SEPARATION
Method
Dry methods
material in bulkB07B
Individual sortingB07C
Screening, sifting, pneumatic sortingB07B
using pneumatic tables or jigsB03B
by magnetic or electrostatic effectB03C
by centrifugal forceB07B
using centrifuges or free-vortex apparatusB07B
Wet methods
General operationsB03B
flotation, differential sedimentationB03D
screeningB07B
Combinations Dry methods - wet methodsB03B
Apparatus
Dry methods
material in bulkB07B
Individual sortingB07C
Screening, sifting, pneumatic sortingB07B
using pneumatic tables or jigsB03B
by magnetic or electrostatic effectB03C
by centrifugal forceB07B
using centrifuges or free-vortex apparatusB04B, B04C
Wet methods
General operationsB03B
flotation, differential sedimentationB03D
screeningB07B
Combinations Dry methods - wet methodsB03B
  
SHAPING
 B31
MAKING PAPER ARTICLES; WORKING PAPER (making layered products not composed wholly of paper or cardboard B32B; handling thin material, e.g. sheets, webs, B65H)
 B31

Note(s)

  1. 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.
  2. This class does not cover:
  3. 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 B26; incising, scoring, in general B26D 3/08; making layered products not composed wholly of paper or cardboard B32B; multi-ply material of paper or cardboard, its manufacture 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 B41F, B41J, B41K, B41M; machines or apparatus for embossing decorations or marks B44B 5/00; artists hand tools for embossing B44B 11/04; producing decorative effects by processes for stamping ornamental designs on surfaces B44C 1/24; mechanical deformation during paper or board making, kinds of paper or board D21)  [2]
 B31F 1/07
·  Embossing (corrugating B31F 1/20)  [3]
 B31F 1/08
·  Creasing (corrugating B31F 1/20; zig-zag folding 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 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 B05C; stapling in box or like making B31B; attaching the replacement web to the expiring web during web-roll changing B65H 19/18; apparatus for splicing webs during handling 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