CPC Definition - Subclass B27G
This place covers:
Accessory machines for working wood and similar materials such as plastic and "soft" metals (i.e. aluminium)
Machines or devices for removing knots or other irregularities or for filling up holes
Devices for removing bark-zones, chips, wood waste or dust specially designed or adapted for wood working machines or in wood-working plants
Machines or devices for making mitre joints with even abutting ends (a mitre joint, sometimes shortened to mitre, is a joint made by beveling each of two parts to be joined, often at a 45° angle, to form a corner, usually a 90° angle). The mitre joints can be made by sawing, planning, shearing or milling
Applying glue for joining wooden parts
Cutter blocks or other rotary cutting tools
Boring, turning or drilling tools; Augers (Wood augers are drills that have a screw to pull them into the wood, as a gimlet has, and a cutting lip that slices out the bottom of the hole. The auger bit also has cutting spurs to cut a clean circle deeper than where the lips scrape out the wood)
Manually operated tools for working wood, e.g. hand planes, scrapers, rasps
Safety guards or devices specially designed or adapted for wood saws
Safety guards or devices specially designed or adapted for other wood working machines
Auxiliary devices for facilitating proper operation of wood saws or other wood working machines
Gauging means specially adapted or designed for adjusting tools or guides for wood working machines, e.g. adjusting cutting blades in cutter blocks
Accessories or tools for applying, preparing or warming up glue, e.g. glue guns
Accessories for keeping open a saw kerf, e.g. riving knives, wedge plates
Measures preventing splintering of sawn portions of wood
Accessory machines include ground based or supported
Grinding and sanding of wood is classified in B24B
Sawing of wood is classified in B27B
Machines or devices for working mitre joints with tenon or like connections B27F
Removing wood chips from a cutting zone is classified in B23Q 11/00.
Wood adhesives are classified in C09J
This place does not cover:
Tools for grinding | |
Sawing tools | |
Tools for slotting or mortising machines | |
Manufacture of wood shavings, chips, and powder |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Gauging means for guides of sawing machines | |
Tools for slotting or mortising machines | |
Tools for the manufacture of wood shavings, chips, powder, or the like |
Attention is drawn to the following places, which may be of interest for search:
In this place, the following terms or expressions are used with the meaning indicated:
Auger | Wood augers are wood drills that have a screw to pull them into the wood, as a gimlet has, and a cutting lip that slices out the bottom of the hole. The auger bit (or drill) also has cutting spurs to cut a clean circle deeper than where the lips scrape out the wood |
Gimlet | Hand tool for drilling small holes without splitting the wood |
Cutter block | Block for mounting cutters |
Mitre | Angled cut, commonly 45 degrees |
Shearing | Cutting |
Spokeshave | Tool used to shape and smooth wooden rods and shafts such as wheel spokes and chair legs by shaving off small amounts of wood |
Kerf | The groove or slit created by cutting a workpiece; an incision; the width of the groove made while cutting |
Apparatus | A category of subject matter which is a machine or device, described in terms of its functional capabilities or features, that is used to make a product, or to carry out a non-manufacturing process or activity. |
This place covers:
Apparatus for repairing or restoring wooden work pieces, wherein the article being restored comprises either (a) several sheets of wood glued or cemented together, (b) a thin sheet of wood, (c) a piece of finished dressed lumber, or (d) any other wooden work piece.
This place covers:
Devices for catching and confining the flying shavings or dust from a cutting-machine and for conveying them away from the machine. However, rarely used: see or search subgroup: B23Q 11/0042 and lower (Devices for removing chips) and B23D 59/006 (removing or collecting chips in sawing machines).
This place covers:
Device having a work support which holds the work in relation to the surface described by movement of the cutting edge so that the tool cuts the work to provide a surface at an oblique angle to some other surface of the work.
Attention is drawn to the following places, which may be of interest for search:
With tenon or like connections |
This place covers:
Apparatus having means contacting a wooden work piece with a fluent material which material causes the work pieces to be bonded together. See also B05C (Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work )
This place covers:
Device directed to a cutter-head for wood adapted to turn about an axis during operation
This place covers:
Hand planes (equipped with power-driven cutter blocks B27C 1/10); Spokeshaves; Scrapers; Rasps.
This place does not cover:
Hand chisels |