WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

B27L　REMOVING BARK OR VESTIGES OF BRANCHES (forestry A01G); SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER

B27L 1/00 Debarking or removing vestiges of branches from trees or logs (debarking by chemical treatment B27L 3/00; {peeling osier rods B27J 3/00}); Machines therefor

B27L 1/005 ・{Debarking by non-rotatable tools}

B27L 1/02 ・by rubbing the trunks against each other (B27L 1/04 takes precedence); Equipment for wet practice {(B27L 1/14 takes precedence)}

B27L 1/025 ・・{Debarking in rotating drums}

B27L 1/04 ・by rubbing the trunks in rotating drums {(B27L 1/025 takes precedence)}

B27L 1/045 ・・{Feeding devices therefor}

B27L 1/05 ・・Drums therefor

B27L 1/06 ・Manually- operated or portable devices for debarking or for removing vestiges of branches

B27L 1/08 ・using rotating rings

B27L 1/10 ・using rotatable tools (B27L 1/04, B27L 1/08, B27L 1/12 take precedence)

B27L 1/12 ・using pliable tools {,e.g. chains, cables}

B27L 1/122 ・・{fixed on one side onto a rotatable axis, e.g. brushes}

B27L 1/125 ・・{stretched between two points}

B27L 1/127 ・・{in the form of circulating endless elements, e.g. cutting chains (in general B27B, e.g. B27L 33/14)}

B27L 1/14 ・using jets of fluid

B27L 3/00 Debarking by chemical treatment

B27L 5/00 Manufacture of veneer (working veneer or plywood B27D){Preparatory processing therefor (drying F26B)}

B27L 5/002 ・{Wood or veneer transporting devices (B27L 5/022 takes precedence)}

B27L 5/004 ・{Cutting strips from a conical surface (pencil sharpeners B43L 23/00; tapering poles B27M 3/32)}

B27L 5/006 ・{Cutting strips from a trunk or piece by a rotating tool}

B27L 5/008 ・{Cutting strips with a band-knife or with a knife oscillating perpendicularly to the feed movement}

B27L 5/02 ・Cutting strips from a rotating trunk or piece; Veneer lathes {(B27L 5/004 takes precedence)}

B27L 5/022 ・・{Devices for determining the axis of a trunk (see also B27B 31/06); Loading devices for veneer lathes}

B27L 5/025 ・・{Nose-bars; Back-up rolls}

B27L 5/027 ・・{centreless}

B27L 5/04 ・・the trunk being rotated about an axis lying outside it {or about an axis which does not correspond to the axis of the trunk}

B27L 5/06 ・Cutting strips from a stationarily- held trunk or piece by a rocking knife carrier, or from rocking trunk or piece by a stationarily-held knife carrier; Veneer- cutting machines {(B27L 5/004 takes precedence)}

B27L 5/08 ・Severing sheets or segments from veneer strips; Shearing devices therefor; Making veneer blanks, e.g. trimming to size {(making match sticks from veneer B27L 9/00; making a layered cutting block B27L 5/00)}

B27L 7/00 Arrangements for splitting wood

B27L 7/005 ・{Hand tools therefor (wedges, knives, spreaders, anvils per se B27L 7/06)}

B27L 7/02 ・using rotating members, {e.g. rotating screws}

B27L 7/04 ・・Conical screws

B27L 7/06 ・using wedges, knives or spreaders (B27L 7/02 takes precedence)

B27L 7/08 ・using chopping blocks

B27L 9/00 Manufacture of wooden sticks, e.g. toothpicks (of walking sticks, of sticks for umbrellas B27M 3/38; combined with other operations in the manufacture of matches C06F)

B27L 11/00 Manufacture of wood shavings, chips, powder, or the like (disintegrating in general B02C; edge trimming sawing blades or sawing tools combined with means to disintegrate waste B27B 33/20; obtaining fibres for spinning D01B 1/00; wet methods D21B 1/12); Tools therefor

B27L 11/002 ・{Transporting devices for wood or chips}

B27L 11/005 ・{Tools therefor}

B27L 11/007 ・{Combined with manufacturing a workpiece}

B27L 11/02 ・of wood shavings or the like

B27L 11/04 ・・of wood wool

B27L 11/06 ・of wood powder or sawdust (grinding-stones B24D)

B27L 11/08 ・of wood fibres, e.g. produced by tearing