B
SECTION B — PERFORMING OPERATIONS
  
SHAPING
 B27
WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
 B27K
METHODS, APPARATUS AND SELECTION OF SUBSTANCES FOR IMPREGNATING, WOOD OR SIMILAR MATERIALS (applying liquids to surfaces in general B05C; coating wood or similar material B44D)
 B27K 1/00
Damping wood
 B27K 1/02
·  Apparatus
 B27K 3/00
Impregnating wood (dyeing, staining B27K 5/00)
 B27K 3/00

Note(s)

Impregnating agents are classified in the last appropriate place within groups B27K 3/16-B27K 3/50.

 B27K 3/02
·  Processes; Apparatus
 B27K 3/04
·  ·  Impregnating in open tanks
 B27K 3/06
·  ·  Sap stream methods
 B27K 3/08
·  ·  Impregnating by pressure
 B27K 3/10
·  ·  ·  Apparatus
 B27K 3/12
·  ·  Impregnating by coating the surface of the wood with an impregnating paste
 B27K 3/14
·  ·  Bandage methods
 B27K 3/16
·  Inorganic impregnating agents
 B27K 3/18
·  ·  Compounds of alkaline earth metals
 B27K 3/20
·  ·  Compounds of alkali metals or ammonium
 B27K 3/22
·  ·  Compounds of zinc or copper
 B27K 3/24
·  ·  Compounds of mercury
 B27K 3/26
·  ·  Compounds of iron, aluminium, or chromium
 B27K 3/28
·  ·  Compounds of arsenic or antimony
 B27K 3/30
·  ·  Compounds of fluorine
 B27K 3/32
·  ·  Mixtures of different inorganic impregnating agents
 B27K 3/34
·  Organic impregnating agents
 B27K 3/36
·  ·  Aliphatic compounds
 B27K 3/38
·  ·  Aromatic compounds
 B27K 3/40
·  ·  ·  halogenated
 B27K 3/42
·  ·  ·  nitrated, or nitrated and halogenated
 B27K 3/44
·  ·  Tar; Mineral oil
 B27K 3/46
·  ·  ·  Coal tar
 B27K 3/48
·  ·  ·  Mineral oil
 B27K 3/50
·  ·  Mixtures of different organic impregnating agents
 B27K 3/52
·  Impregnating agents containing mixtures of inorganic and organic compounds
 B27K 5/00
Other methods of treating wood
 B27K 5/02
·  Staining or dyeing wood; Bleaching wood
 B27K 5/04
·  Combined bleaching or impregnating and drying of wood
 B27K 5/06
·  Softening or hardening wood
 B27K 7/00
Chemical or physical treatment of cork
 B27K 9/00
Chemical or physical treatment of reed, straw, or similar materials