1. CPC Sections
  2. CPC Section B
  3. CPC Class B27
  4. CPC Subclass B27L
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Version: 2024.08
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CPC
COOPERATIVE PATENT CLASSIFICATION
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B27L
REMOVING BARK OR VESTIGES OF BRANCHES (forestry A01G); SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER [2018-08]
WARNING

  • In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.
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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 [2017-08]
NOTE

B27L 1/005
.
{Debarking by non-rotatable tools} [2013-01]
B27L 1/02
.
by rubbing the trunks against each other (B27L 1/04 takes precedence); Equipment for wet practice {(B27L 1/14 takes precedence)} [2013-01]
B27L 1/025
. .
{Debarking in rotating drums} [2013-01]
B27L 1/04
.
by rubbing the trunks in rotating drums {(B27L 1/025 takes precedence)} [2013-01]
B27L 1/045
. .
{Feeding devices therefor} [2013-01]
B27L 1/05
. .
Drums therefor [2013-01]
B27L 1/06
.
Manually- operated or portable devices for debarking or for removing vestiges of branches [2013-01]
B27L 1/08
.
using rotating rings [2013-01]
B27L 1/10
.
using rotatable tools (B27L 1/04, B27L 1/08, B27L 1/12 take precedence) [2013-01]
B27L 1/12
.
using pliable tools {, e.g. chains, cables} [2016-08]
B27L 1/122
. .
{fixed on one side onto a rotatable axis, e.g. brushes} [2013-01]
B27L 1/125
. .
{stretched between two points} [2013-01]
B27L 1/127
. .
{in the form of circulating endless elements, e.g. cutting chains (in general B27B, e.g. B27B 33/14)} [2013-01]
B27L 1/14
.
using jets of fluid [2013-01]
B27L 3/00
Debarking by chemical treatment [2013-01]
B27L 5/00
Manufacture of veneer (working veneer or plywood B27D ){; Preparatory processing therefor (drying F26B)} [2018-01]
B27L 5/002
.
{Wood or veneer transporting devices (B27L 5/022 takes precedence)} [2013-01]
B27L 5/004
.
{Cutting strips from a conical surface (pencil sharpeners B43L 23/00; tapering poles B27M 3/32)} [2013-01]
B27L 5/006
.
{Cutting strips from a trunk or piece by a rotating tool} [2013-01]
B27L 5/008
.
{Cutting strips with a band-knife or with a knife oscillating perpendicularly to the feed movement} [2013-01]
B27L 5/02
.
Cutting strips from a rotating trunk or piece; Veneer lathes {(B27L 5/004 takes precedence)} [2013-01]
B27L 5/022
. .
{Devices for determining the axis of a trunk (see also B27B 31/06); Loading devices for veneer lathes} [2013-01]
B27L 5/025
. .
{Nose-bars; Back-up rolls} [2013-01]
B27L 5/027
. .
{centreless} [2013-01]
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} [2013-01]
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)} [2013-01]
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)} [2013-01]
B27L 7/00
Arrangements for splitting wood [2013-01]
B27L 7/005
.
{Hand tools therefor (wedges, knives, spreaders, anvils per se B27L 7/06)} [2013-01]
B27L 7/02
.
using rotating members {, e.g. rotating screws} [2017-08]
B27L 7/04
. .
Conical screws [2013-01]
B27L 7/06
.
using wedges, knives or spreaders (B27L 7/02 takes precedence) [2013-01]
B27L 7/08
.
using chopping blocks [2013-01]
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) [2013-01]
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 [2013-01]
B27L 11/002
.
{Transporting devices for wood or chips} [2013-01]
B27L 11/005
.
{Tools therefor} [2013-01]
B27L 11/007
.
{Combined with manufacturing a workpiece} [2013-01]
B27L 11/02
.
of wood shavings or the like [2013-01]
B27L 11/04
. .
of wood wool [2013-01]
B27L 11/06
.
of wood powder or sawdust (grinding-stones B24D) [2013-01]
B27L 11/08
.
of wood fibres, e.g. produced by tearing [2013-01]