|  | 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 Fulltext... Hierarchy... Expanded...B05C; coating wood or similar material Fulltext... Hierarchy... Expanded...B44D)

|  | B27K 1/00 |
Damping wood

|  | B27K 1/02 |
· | Apparatus

|  | B27K 3/00 |
Impregnating wood (dyeing, staining Fulltext... Hierarchy... Expanded...B27K 5/00)

|  | B27K 3/00 |
Note(s) Impregnating agents are classified in the last appropriate place within groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...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