Skip over navigation
Printable version [PDF]
MECHANICAL WORKING OR DEFORMATION OF PAPER OR CARDBOARD (making layered products not composed wholly of paper or cardboard B32B)
References relevant to classification in this subclass

Places in relation to which this subclass is residual:

Making boxes, cartons, envelopes or bags

Making wound paper articles

Making other paper articles

Informative references
Attention is drawn to the following places, which may be of interest for search:

Cutting, trimming, in general

Incising, scoring, in general

Multi-ply material of paper or cardboard, manufacture thereof

Mechanical deformation of paper or cardboard without removing material, e.g. in combination with laminating
References relevant to classification in this subclass/group

Examples of places where the subject matter of this group is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:

Producing decorative effects by processes for stamping ornamental designs on surfaces

Informative references
Attention is drawn to the following places, which may be of interest for search:

Folding thin material

Mechanical deformation during paper or cardboard making

{Shaping of tube ends, e.g. flanging, belling, closing, rim-rolling, corrugating; Fixing elements to tube ends}
Informative references
Attention is drawn to the following places, which may be of interest for search:

Making cylindrical boxes with separate bottoms

{Lining or sheathing (folding the edge of the sheathing B31F 1/0016, B31F 1/0029)}
Informative references
Attention is drawn to the following places, which may be of interest for search:

Making lined boxes

Embossing {, i.e. producing impressions formed by locally deep-drawing, e.g. using rolls provided with complementary profiles} ({B31F 1/128 takes precedence;} corrugating B31F 1/20; embossing in combination with printing B41F 19/02, B41M 1/24; typewriters for embossing B41J 3/38; stamping in combination with deforming B41K 3/36)
References relevant to classification in this subclass/group

Examples of places where the subject matter of this group is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:

Machines or apparatus for embossing decorations or marks

Artists hand tools for embossing

Special rules of classification within this group

Classification in deep indexing scheme B31F 2201/07 is mandatory.

Creasing (corrugating B31F 1/20; zig-zag folding B65H 45/20 {; combined with folding B31F 1/0012, B31F 1/0022; grooving by cutting B26D 3/06, B26D 3/08; by milling grooves B23C 3/30; of plastics material B29C 53/06})
Informative references
Attention is drawn to the following places, which may be of interest for search:

Making creases during box or bag making

Crêping paper or cardboard {, i.e. providing paper or cardboard with small irregular crinkles; Making paper or cardboard elastic in all directions}
Informative references
Attention is drawn to the following places, which may be of interest for search:

Paper making

Corrugating; Corrugating combined with laminating to other paper or cardboard layers
Informative references
Attention is drawn to the following places, which may be of interest for search:

Corrugating sheet metal

Corrugating veneer

Corrugating plastics material

Zig-Zag folders

{Making corrugated cardboard of composite structure, e.g. comprising two or more corrugated layers}
Informative references
Attention is drawn to the following places, which may be of interest for search:

Making cellular structures by cutting corrugated webs longitudinally into strips, piling these strips and uniting them

Laminated products characterised by a layer comprising a deformed thin sheet , e.g. corrugated, crumpled

Moistening and heating webs to facilitate mechanical deformation and drying deformed webs {(during corrugating B31F 1/28)}
Definition statement
This subgroup covers:

E.g. impregnating.

References relevant to classification in this group
This subgroup does not cover:

Moistening, drying during making of corrugated web having transverse corrugations

Attaching together paper or cardboard sheets, strips or webs {or other preformed paper articles (joining by rim-rolling B31F 1/0041, B31F 1/009; closing tube ends by inserting an element B31F 1/008, making boxes B31B)}; Reinforcing edges of paper or cardboard
References relevant to classification in this subclass/group

Examples of places where the subject matter of this group is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:

Stapling in making boxes, bags or the like

Attaching the replacement web to the expiring web during web-roll changing

Apparatus for splicing webs during handling

Informative references
Attention is drawn to the following places, which may be of interest for search:

Means for applying adhesive or glue

Making layered products

Splicing webs

Processes for working paper or cardboard not otherwise provided for
Definition statement
This group covers:

Processes for working paper not provided for in B31B 1/00, B31C 1/00 to B31C 13/00, B31D 1/00 to B31D 5/00, B31F 1/00 to B31F 5/00.

This page is owned by Office of Patent Classification.
Last Modified: 10/11/2013