Impregnating wood

BPERFORMING OPERATIONS TRANSPORTING B27Woodworking B27KPROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS

B27K3/00Impregnating wood

B27K3/002employing compositions comprising micro-organisms B27K3/005employing compositions comprising microparticles B27K3/007employing compositions comprising nanoparticles B27K3/02Processes Apparatus B27K3/0207Pretreatment of wood before impregnation B27K3/0214Drying B27K3/0221Pore opening B27K3/0228Spraying apparatus B27K3/0235Stationary devices on or in legs or poles B27K3/0242using melt impregnation B27K3/025Controlling the process B27K3/0257using rods or tablets, or ampoules B27K3/0264using staples or nails B27K3/0271Vapour phase impregnation B27K3/0278involving an additional treatment during or after impregnation B27K3/0285for improving the penetration of the impregnating fluid B27K3/0292for improving fixation B27K3/04Impregnating in open tanks B27K3/06Sap stream methods B27K3/08Impregnating by pressure B27K3/083along the fibers B27K3/086using supercritical or high pressure fluids B27K3/10Apparatus B27K3/105Injection apparatus B27K3/12Impregnating by coating the surface of the wood with an impregnating paste B27K3/14Bandage methods B27K3/15Impregnating involving polymerisation including use of polymer-containing impregnating agents B27K3/153Without in-situ polymerisation, condensation, or cross-linking reactions B27K3/156Combined with grafting onto wood fibres B27K3/16Inorganic impregnating agents B27K3/163Compounds of boron B27K3/166Compounds of phosphorus B27K3/18Compounds of alkaline earth metals B27K3/20Compounds of alkali metals or ammonium B27K3/22Compounds of zinc or copper B27K3/24Compounds of mercury B27K3/26Compounds of iron, aluminium, or chromium B27K3/28Compounds of arsenic or antimony B27K3/30Compounds of fluorine B27K3/32Mixtures of different inorganic impregnating agents B27K3/34Organic impregnating agents B27K3/343Heterocyclic compounds B27K3/346Grafting onto wood fibres B27K3/36Aliphatic compounds B27K3/38Aromatic compounds B27K3/40halogenated B27K3/42nitrated, or nitrated and halogenated B27K3/44Tar Mineral oil B27K3/46Coal tar B27K3/48Mineral oil B27K3/50Mixtures of different organic impregnating agents B27K3/52Impregnating agents containing mixtures of inorganic and organic compounds