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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
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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
NOTE
-
Tree-feeding devices are covered by group B27B 25/00

B27L 1/005
.
{
Debarking by non-rotatable tools
}
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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
}
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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)
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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. B27L33/14)
}
B27L 1/14
.
using jets of fluid
B27L 3/00
Debarking by chemical treatment
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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
}
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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)
}
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B27L 7/00
Arrangements for splitting wood
B27L 7/005
.
{
Hand tools therefor (wedges, knives, spreaders, anvils per se B27L 7/06)
}
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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)
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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
}
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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
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Last Modified: 04/16/2013 4:31:16 PM