| Outline |
Indent Level
| |
| Color | Curly Brackets (indicating CPC extensions to IPC) | |
CPC | COOPERATIVE PATENT CLASSIFICATION | |||
![]() | MAKING OTHER PAPER ARTICLES (manufacture by dry processes of articles made from particles or fibres consisting of wood or other lignocellulosic material B27N; making layered products not composed wholly of paper or cardboard B32B; making cardboard or paper D21F, D21H; making articles form wood pulp D21J) NOTE -
|
![]() | Multiple-step processes for making flat articles; { Making flat articles} |
B31D 1/0006 | . | { the articles being coffee filters} |
B31D 1/0012 | . | { the articles being mounting corners for photographs or cards} |
B31D 1/0018 | . | { the articles being pull-tap closure discs for bottles, jars or like containers} |
B31D 1/0025 | . |
B31D 1/0031 | . | { the articles being paper nettings, e.g. by slitting and expanding webs or sheets} |
B31D 1/0037 | . |
![]() | . | { the articles being box parts not otherwise provided for} |
B31D 1/0056 | . | { the articles being package fasteners, e.g. tubular bands} |
B31D 1/0062 | . | { the articles being adhesive strips or tape} |
B31D 1/0068 | . | { the articles being saucer or beerglass pads, liners for closing caps or similar articles} |
![]() | . |
B31D 1/0093 | . | { involving impregnating} |
![]() | . | the articles being labels or tags (means and processes for attaching threads D05) |
B31D 1/021 | . . | { Making adhesive labels having a multilayered structure, e.g. provided on carrier webs} |
B31D 1/022 | . . | { Label folding} |
![]() | B31D 1/023 | . . | { Attaching wires or threads} |
B31D 1/024 | . . . | { to labels or tags composed of two layers, the wire or thread being embedded between them} |
B31D 1/025 | . . | { Applying patches, washers or reinforcements} |
B31D 1/026 | . . |
B31D 1/027 | . . | { involving, marking, printing or coding} |
B31D 1/028 | . . | { Applying RFID chips} |
B31D 1/04 | . | the articles being napkins, handkerchiefs, towels, doilies, or the like |
![]() | B31D 1/06 | . | the articles being handles |
![]() | Making articles of cellular structure, e.g. insulating board |
B31D 3/002 | . |
![]() | . | { Making cellular structures from corrugated webs or sheets} |
B31D 3/007 | . . | { by cutting corrugated webs longitudinally into strips, piling these strips and uniting them} |
![]() | B31D 3/02 | . | Honeycombed structures { i.e. the cells having an essentially hexagonal section} |
![]() | B31D 3/0207 | . . | { of particular shape or construction} |
![]() | B31D 3/0223 | . . | { Making honeycomb cores, e.g. by piling a plurality of web sections or sheets} |
![]() | B31D 3/023 | . . . | { by cutting webs longitudinally into strips, piling these strips and uniting them along lines perpendicular to the cuts} |
B31D 3/0253 | . . . . | { involving laminating the expanded core} |
B31D 3/0261 | . . . . | { by applying longitudinal adhesive strips to the web and zig-zag folding the strips transversely} |
B31D 3/0269 | . . . |
B31D 3/0276 | . . . | { Plane webs having essentially transverse adhesive strips being folded transversely into stacks or being cut transversely into sections which are piled} |
B31D 3/0284 | . . | { Laminating honeycomb cores; applying cover sheets to core edges; working core edges} |
B31D 3/0292 | . . | { involving auxiliary operations, e.g. expanding, moistening, glue-applying, joining, controlling} |
B31D 3/04 | . |
![]() |
![]() | . | { for making inserts, e.g. partitions, for boxes} |
B31D 5/0008 | . . | { the inserts having recesses for holding ampoules} |
![]() | B31D 5/0013 | . . | { the inserts having interengaged slotted panels} |
B31D 5/0021 | . . | { the inserts having the form of a tray} |
B31D 5/0026 | . . | { involving collapsing or stacking the inserts} |
B31D 5/003 | . . | { the inserts being egg carton fillers} |
B31D 5/0034 | . | { for making valve inserts for bags} |
![]() | . | { for making dunnage or cushion pads} |
![]() | B31D 5/0043 | . . | { including crumpling flat material} |
B31D 5/0047 | . . . | { involving toothed wheels} |
B31D 5/0052 | . . . | { involving rollers} |
B31D 5/0056 | . . . | { involving belts} |
B31D 5/006 | . . | { including controlled deformation of flat material, e.g. pleating, corrugating or embossing (including crumpling flat material B31D 5/0043)} |
B31D 5/0065 | . . | { including slitting and expanding flat material} |
B31D 5/0069 | . . |
![]() | . . | { including pillow forming} |
B31D 5/0082 | . | { Making filter elements, e.g. pleated} |
B31D 5/0086 | . |
B31D 5/0091 | . |
B31D 5/0095 | . | { Making drinking straws} |
B31D 5/02 | . | including pressing |
B31D 5/04 | . | including folding or pleating, e.g. Chinese lanternsincluding folding or pleating, e.g. Chinese lanterns { (B31D 5/0039 takes precedence)} |
B31D 99/00 | Subject matter not provided for in other groups of this subclass |
![]() | B31D 2205/00 | Multiple-step processes for making three-dimensional articles |
![]() | B31D 2205/0005 | . | for making dunnage or cushion pads |
![]() | B31D 2205/0011 | . . | including particular additional operations |
![]() | B31D 2205/0017 | . . . | Providing stock material in a particular form |
![]() | B31D 2205/0023 | . . . . | as web from a roll |
B31D 2205/0035 | . . . . | as fan folded web |
B31D 2205/0041 | . . . . | as individual sheets from a pile |
B31D 2205/0047 | . . . | Feeding, guiding or shaping the material |
B31D 2205/0052 | . . . | Perforating; Forming lines of weakness |
B31D 2205/0058 | . . . | Cutting; Individualising the final products |
B31D 2205/0064 | . . . | Stabilizing the shape of the final product, e.g. by mechanical interlocking |
B31D 2205/007 | . . . | Delivering |
![]() | B31D 2205/0076 | . . | involving particular machinery details |