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Color Curly Brackets (indicating CPC extensions to IPC)

CPC
COOPERATIVE PATENT CLASSIFICATION
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ACCESSORY MACHINES OR APPARATUS; TOOLS; SAFETY DEVICES e.g. THOSE FOR SAWS (clamping devices for mitre joints, presses for producing frames, press frames, or cages equipped with clamping devices B25B; woodworkers` benches B25H)
WARNING
-
The following IPC groups are not used in the CPC scheme. Subject matter covered by these groups is classified in the following CPC groups:

B27G17/08 covered by B25D 3/00


Machines or devices for removing knots or other irregularities or for filling-up holes
{
filling up cracks or holes in a veneer cutting block B27L 5/00; caulking decks B63B 5/065
}
Arrangements for removing bark-zones, chips, waste, or dust, specially designed for use in connection with wood-working machine or in wood-working plants
{
B23Q 11/0042 takes precedence
}
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Machines or devices for working mitre joints with even abutting ends (with tenon or like connections B27F)
{
making mitre joints with uneven abutting ends B27F 1/005
}
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B27G 5/02
.
for sawing mitre joints; Mitre boxes (guide fences for timber in sawing machines B27B 27/06)
B27G 5/023
. .
{
the mitre angle being adjusted by positioning a workpiece relative to a fixed saw
}
B27G 5/026
. .
{
Mitre boxes
}
B27G 5/04
.
for planing, cutting, shearing, or milling mitre joints
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Applying adhesives or glue to surfaces of wood to be joined (applying liquids, e.g. liquid adhesives, to surfaces in generalB05C,B05D; adhesive processesC09J 5/00; associated with particular wood-working,seethe relevant subclasses)
B27G 11/005
.
{
Glue guns, glue sprayers
}
B27G 11/02
.
Glue vessels; Apparatus for warming or heating glue
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Guide Heading:
Tools (sawing tools B27B 33/00; tools for slotting or mortising machines B27F 5/00; tools for the manufacture of wood shavings, chips, powder, or the like B27L 11/00)
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Cutter blocks; Other rotary cutting tools (B27G 15/00, B27G 17/00 take precedence)
B27G 13/002
.
{
Rotary tools without insertable or exchangeable parts, except the chucking part
}
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B27G 13/005
.
{
Tools composed of two or more rotating discs
}
B27G 13/007
. .
{
which are adjustable relatively to each other (B23Q 17/2283 takes precedence)
}
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B27G 13/02
.
in the shape of long arbors, i.e. cylinder cutting blocks (B27G 13/12 takes precedence)
B27G 13/04
. .
Securing the cutters by mechanical clamping means
B27G 13/06
. .
Securing the cutters by fluid-pressure clamping means
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B27G 13/08
.
in the shape of disc-like members; Wood-milling cutters (B27G 13/12 takes precedence)
B27G 13/10
. .
Securing the cutters, e.g. by clamping collars
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B27G 13/12
.
for profile cutting
B27G 13/14
. .
for cutting grooves or tenons
B27G 13/16
. .
for rounding rods, e.g. dowels
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B27G 15/00
Boring or turning tools; Augers
B27G 15/02
.
Drills for undercutting holes
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Manually-operated tools
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B27G 17/02
.
Hand planes (equipped with power-driven cutter blocks B27C 1/10)
B27G 17/025
. .
{
for forming profiles on wood; for trimming or chamfering edges
}
B27G 17/04
.
Spokeshaves; Scrapers
B27G 17/06
.
Rasps
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B27G 19/00
Safety guards or devices specially designed for wood saws (in general F16P); Auxiliary devices facilitating proper operation of wood saws
B27G 19/003
.
{
for chain saws (braking devices B27B 17/08)
}
B27G 19/006
.
{
for reciprocating saws
}
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B27G 19/02
.
for circular saws
B27G 19/04
. .
for manually-operated power-driven circular saws
B27G 19/06
.
for band or strap saws
B27G 19/08
.
Accessories for keeping open the saw kerf, e.g. riving knives, wedge plates
B27G 19/10
.
Measures preventing splintering of sawn portions of wood
B27G 21/00
Safety guards or devices specially designed for other wood-working machines
{
auxiliary devices facilitating proper operation of said wood-working machines
}
B27G 23/00
Gauging means specially designed for adjusting of tools or guides, e.g. adjusting cutting blades in cutter blocks (
{
B23Q 17/22 takes precedence; boring templates B23B 49/02
}
; for guides of sawing machines B27B 27/00)
This page is owned by Office of Patent Classification.
Last Modified: 10/10/2013