Cooperative Patent Classification

CPC Definition - Subclass B27D

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Last Updated Version: 2016.11
WORKING VENEER OR PLYWOOD (applying liquids or other fluent materials to surface in general B05; grinding, sanding, or polishing of wood B24; applying adhesives or glue to surfaces of wood B27G 11/00; manufacture of veneer B27L 5/00)
Definition statement

This place covers:

Any machine or process for working veneer or plywood not classified elsewhere under a more specific title.

Joining wood veneer with any material; Forming articles thereby (in conjunction with moulding of wood particles or fibres B27N 3/06); Preparatory processing of surfaces to be joined, e.g. scoring
Definition statement

This place covers:

Lay up machines

Laminated Veneer Lumber (LVL)

Glossary of terms

In this place, the following terms or expressions are used with the meaning indicated:

LVL

Laminated Veneer Lumber

Manufacture of central layers; Form of central layers {(see also B27M 3/002 and B27M 3/0026)}
Definition statement

This place covers:

Wood-core plywood.

{Manufacture of oblong articles, e.g. tubes by spirally winding veneer blanks}
References
Limiting references

This place does not cover:

Wooden pipes

Veneer presses; Press plates; Plywood presses (presses in general B30B {presses for wood fibre sheets B27N 3/08, B27N 3/24, B27N 3/26})
Definition statement

This place covers:

Apparatus for and methods subjecting veneer or plywood to compressive force.

References
Limiting references

This place does not cover:

Presses specially for the manufacture of shaped plywood articles

Other working of veneer or plywood specially adapted to veneer or plywood (working of strips in the same way as cane B27J {repairing tears on veneer blanks B27D 1/10; B27G 1/00 takes precedence})
Definition statement

This place covers:

Apparatus for and methods subjecting veneer or plywood to some form of working not specifically covered elsewhere such as processes wherein the work parts are fastened by cement, glue, or other adhesive, or by use of cohesive characteristics of the work parts to effect an autogenous bond which can then be followed by producing a change in dimension or contour (chamfering, edging and beveling).