WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

B31D　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)

B31D 1/00 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 ・{Making articles having embedded wires (B31D 1/024 takes precedence)}

B31D 1/0031 ・{the articles being paper nettings, e.g. by slitting and expanding webs or sheets}

B31D 1/0037 ・{the articles being toilet seat covers (toilet seat covers per se A47K 13/14)}

B31D 1/0043 ・{the articles being box parts not otherwise provided for}

B31D 1/005 ・・{making bottoms or caps}

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 1/0075 ・{by assembling, e.g. by laminating (B31D 1/0012 to B31D 1/0068 take precedence)}

B31D 1/0081 ・・{by attaching individual objects to webs or sheets}

B31D 1/0087 ・・・{the webs or sheets being provided with apertures for the objects e.g. with means for making the apertures}

B31D 1/0093 ・{involving impregnating}

B31D 1/02 ・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 ・・{Cutting or perforating (B31D 1/02B1, B31D 1/022 take precedence)}

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

B31D 1/065 ・・{the articles being parcel carriers}

B31D 3/00 Making articles of cellular structure, e.g. insulating board

B31D 3/002 ・{Methods for making cellular structures; Cellular structures (B31D 3/005 takes precedence)}

B31D 3/005 ・{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 3/0215 ・・・{for window coverings}

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 3/0238 ・・・・{involving laminating the expanded core}

B31D 3/0246 ・・・{Plane webs having essentially longitudinal adhesive strips being folded transversely into stacks or being cut transversely into sections which are piled, e.g. zigzag-folding the webs preceding the cutting}

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 ・・・{Forming piles by winding a web on a reel (B31D 3/0215 takes precedence)}

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 ・cellular packaging articles, e.g. for bottles {(making box position inserts B31B 11/00)}

B31D 5/00 Multiple-step processes for making three-dimensional articles; {Making three-dimensional articles}(assembly {or manufacture} of garlands A41G 1/04; making receptacles or containers B31B; making tubes B31B, B31C)

B31D 5/0004 ・{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 5/0017 ・・・{involving folding one of the panels into an U-shape}

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}

B31D 5/0039 ・{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 forming or transforming three-dimensional material, e.g. corrugated webs or material of cellular structure (making articles of cellular structure B31D 3/00, corrugating paper or cardboard B31F 1/20)}

B31D 5/0073 ・・{including pillow forming}

B31D 5/0078 ・・・{and filling with a material other than air or gas}

B31D 5/0082 ・{Making filter elements, e.g. pleated}

B31D 5/0086 ・{Making hollow objects (B31D 5/0082, B31D 5/0095, B31D 5/02, B31D 5/04 take precedence)}

B31D 5/0091 ・{Making paper sticks (involving winding B31C)}

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 2201/00 Multiple-step processes for making flat articles

B31D 2201/02 ・the articles being labels or tags

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 2205/0029 ・・・・・unwound from inside

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

B31D 2205/0082 ・・・General layout of the machinery or relative arrangement of its subunits

B31D 2205/0088 ・・・Control means

B31D 2205/0094 ・・・Safety devices