WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

B31F　MECHANICAL WORKING OR DEFORMATION OF PAPER OR CARDBOARD (cutting, trimming, in general B26; incising, scoring, in general B26D 3/08; making layered products not composed wholly of paper or cardboard B32B; multi-ply material of paper or cardboard, its manufacture D21H)

B31F 1/00 Mechanical deformation of paper or cardboard without removing material including combined deformation and laminating (embossing combined with application of ink, type marking presses, selective embossing machines B41F, B41J, B41K, B41M; machines or apparatus for embossing decorations or marks B44B 5/00; artists hand tools for embossing B44B 11/04; producing decorative effects by processes for stamping ornemental designs on surfaces B44C 1/24; mechanical deformation during paper or board making, kinds of paper or board D21)

B31F 1/0003 ・{Shaping by bending, folding, twisting, straightening, flattening or rim-rolling; Shaping by bending, folding or rim-rolling combined with joining; Apparatus therefor (shaping of tube ends B31F 1/008)}

B31F 1/0006 ・・{Bending or folding; Folding edges combined with joining; Reinforcing edges during the folding thereof; (creasingB31F 1/08, creping paperB31F 1/12, corrugatingB31F 1/20; bending and joiningB31F 1/0045, stretching and foldingB31F 1/00B2B2; Reinforcing edges per seB31F 5/08; making wound articlesB31C, folding thin material per seB65H 45/00)}

B31F 1/0009 ・・・{of plates, sheets or webs}

B31F 1/0012 ・・・・{combined with making folding lines (B31F 1/0022 takes precedence)}

B31F 1/0016 ・・・・{Folding edges; Folding edges combined with joining; Reinforcing edges during the folding thereof, e.g. by introducing a thread; Folding the edges of a sheathing (B31F 1/0029 takes precedence)}

B31F 1/0019 ・・・・{the plates, sheets or webs moving continuously (B31F 5/08 takes precedence)}

B31F 1/0022 ・・・・・{combined with making folding lines}

B31F 1/0025 ・・・・・・{Making the folding lines using rotary tools}

B31F 1/0029 ・・・・・{Folding edges; Folding edges combined with joining; Reinforcing edges during the folding thereof, e.g. by introducing a thread; Folding the edges of a sheathing}

B31F 1/0032 ・・・{of tubes}

B31F 1/0035 ・・{Straightening or flattening}

B31F 1/0038 ・・{Rim-rolling}

B31F 1/0041 ・・・{combined with joining}

B31F 1/0045 ・・{Bending or folding combined with joining (Folding edges combined with joining B31F 1/0016, B31F 1/0029)}

B31F 1/0048 ・・・{Bending plates, sheets or webs at right angles to the axis of the article being formed and joining the edges}

B31F 1/0051 ・・・・{for making articles of definite lentgh}

B31F 1/0054 ・・・・・{using internal forming surfaces, e.g. mandrels}

B31F 1/0058 ・・・・・・{Machines therefor having additional mandrels, e.g. mounted on a turntable, or on chains (B31F 1/00A6B2B4B takes precedence)}

B31F 1/0061 ・・・・{for making articles of indefinite length}

B31F 1/0064 ・・・・・{using internal forming surfaces, on e.g. mandrels}

B31F 1/0067 ・・・・・{using only external forming surfaces, e.g. sleeves}

B31F 1/007 ・・・・{for making articles with multilayered walls}

B31F 1/0074 ・・・・{Making essentially non-hollow profiles, e.g. rods, ropes, cords}

B31F 1/0077 ・{Shaping by methods analogous to moulding, e.g. deep drawing techniques}

B31F 1/008 ・{Shaping of tube ends, e.g. flanging, belling, closing, rim-rolling, corrugating; Fixing elements to tube ends}

B31F 1/0083 ・・{Closing}

B31F 1/0087 ・・{Rim-rolling}

B31F 1/009 ・・・{combined with joining, e.g. for fixing a closure element}

B31F 1/0093 ・・{Fixing elements to tube ends}

B31F 1/0096 ・{Lining or sheathing (folding the edge of the sheathing B31F 1/0016, B31F 1/0029)}

B31F 1/07 ・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)

B31F 1/08 ・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)}

B31F 1/10 ・・by rotary tools

B31F 1/12 ・Creping paper, {i.e. providing paper with small irregular crinkles; Making paper elastic in all directions}

B31F 1/122 ・・{the paper being submitted to an additional mechanical deformation other than creping, e.g. for making it elastic in all directions}

B31F 1/124 ・・{Multiple creping, e.g. forming crepes under different angles}

B31F 1/126 ・・{including making of the paper to be creped}

B31F 1/128 ・・{Making paper elastic in all directions, other than by creping (B31F 1/122 takes precedence)}

B31F 1/14 ・・by doctor blades arranged crosswise to the web

B31F 1/145 ・・・{Blade constructions}

B31F 1/16 ・・by elastic belts {(B31F 1/18 takes precedence)}

B31F 1/18 ・・by tools arranged in the direction of web feed; {Logitudinal creping, i.e. providing paper with crepes parallel to the direction of web movement, e.g. for making paper elastic transversely to this direction}

B31F 1/20 ・Corrugating; Corrugating combined with laminating to other paper or cardboard layers ({corrugating sheet metal B21D 13/00; corrugating plastics material B29C 53/22;} corrugating veneer B27D)

B31F 1/205 ・・{Corrugating tubes (corrugating tube ends B31F 1/00C8; Making tubes, not otherwise provided for, B31F 7/004; Corrugating metal tubes B21D 15/00)}

B31F 1/22 ・・Making webs in which the channel of each corrugation is longitudinal with the web feed

B31F 1/225 ・・・{combined with uniting the corrugated web to flat webs; Making corrugated-web structures}

B31F 1/24 ・・Making webs in which the channel of each corrugation is transverse to the web feed

B31F 1/242 ・・・{the corrugations being obliquely inclined to the web feed (B31F 1/247, B31F 1/30 take precedence)}

B31F 1/245 ・・・{by feeding the webs in a channel larger than the thickness of the webs by means of rollers, e.g. involving prefolding}

B31F 1/247 ・・・{by reciprocating members}

B31F 1/26 ・・・by interengaging toothed cylinders {cylinder constructions (B31F 1/242 takes precedence)}

B31F 1/28 ・・・・combined with uniting the corrugated webs to flat webs; {Making double-faced corrugated cardboard}

B31F 1/2804 ・・・・・{Methods}

B31F 1/2809 ・・・・・・{characterised by the chemical composition of the glue}

B31F 1/2813 ・・・・・{Making corrugated cardboard of composite structure, e.g. comprising two or more corrugated layers}

B31F 1/2818 ・・・・・{Glue application specially adapted therefor}

B31F 1/2822 ・・・・・{involving additional operations}

B31F 1/2827 ・・・・・・{Edge treatment}

B31F 1/2831 ・・・・・{Control}

B31F 1/2836 ・・・・・・{Guiding, e.g. edge alignment; Tensioning}

B31F 1/284 ・・・・・・{Warp prevention}

B31F 1/2845 ・・・・・{Details, e.g. provisions for drying, moistening, pressing}

B31F 1/285 ・・・・・・{Heating or drying equipment}

B31F 1/2854 ・・・・・・{Means for keeping the sheet in contact with one of the corrugating rollers after corrugating, but before applying the facer sheet, e.g. by air pressure, suction or pressing fingers}

B31F 1/2859 ・・・・・・・{Pressing fingers}

B31F 1/2863 ・・・・・・{Corrugating cylinders; Supporting or positioning means therefor; Drives therefor}

B31F 1/2868 ・・・・・・・{Exchangeable corrugating cylinders (means for changing cutting members in shearing devices B23D 35/008)}

B31F 1/2872 ・・・・・・{Spraying devices, e.g. for moistening purposes; Lubricating devices}

B31F 1/2877 ・・・・・・{Pressing means for bringing facer sheet and corrugated webs into contact or keeping them in contact, e.g. rolls, belts}

B31F 1/2881 ・・・・・・・{for bringing a second facer sheet into contact with an already single faced corrugated web}

B31F 1/2886 ・・・・・{Additionally reinforcing, e.g. by applying resin or wire}

B31F 1/289 ・・・・・{from discrete sheets}

B31F 1/2895 ・・・・・{from corrugated webs having corrugations of particular shape}

B31F 1/29 ・・・by making use of rods, e.g. co-operating with a toothed cylinder {combined with uniting the corrugated web to flat webs (B31F 1/30 takes precedence)}

B31F 1/30 ・・・Tools secured to endless chains {e.g. toothed belts; combined with uniting the corrugated web to flat webs}

B31F 1/305 ・・・・{with sets of interengaging tools each secured to endless chains}

B31F 1/32 ・・Corrugating already corrugated webs

B31F 1/36 ・Moistening and heating webs to facilitate mechanical deformation and drying deformed webs{( during corrugating B31F 1/28)}

B31F 5/00 Attaching together paper or cardboard sheets, strips, or webs;{or other preformed paper articles joining by rim-rollingB31F 1/0041,B31F 1/009; closing tube ends by inserting an elementB31F 1/00C4D, making boxesB31B}Reinforcing edges of paper or cardboard(means for applying adhesive or glueB05C; stapling in box or like makingB31B; attaching the replacement web to the expiring web during web-roll changingB65H 19/18; apparatus for splicing webs during handlingB65H 21/00)

B31F 5/001 ・{by stapling or riveting}

B31F 5/003 ・{by stitching}

B31F 5/005 ・{by folding (rim-rolling B31F 1/0041)}

B31F 5/006 ・{using a strip, e.g. profiled (B31F 5/06 takes precedence)}

B31F 5/008 ・{by friction, e.g. obtained ultrasonic vibrations}

B31F 5/02 ・by crimping or slotting {or perforating}

B31F 5/022 ・・{using a rotary tool}

B31F 5/025 ・・{by slotting}

B31F 5/027 ・・{by perforating, e.g. by folding over the partially cut part}

B31F 5/04 ・by exclusive use of adhesives

B31F 5/06 ・by adhesive tape

B31F 5/08 ・・for reinforcing edges; {Applying a strip or tape to an edge, e.g. for decorating, for protecting}

B31F 5/085 ・・・{combined with folding the strip around the edge, or applying an already folded strip on (folding edges B31F 1/0016, B31F 1/0029)}

B31F 7/00 Processes for working paper not otherwise provided for

B31F 7/002 ・{tubular articles, e.g. changing the cross-section}

B31F 7/004 ・{Making tubes}

B31F 7/006 ・{edges, e.g. sheet edges}

B31F 7/008 ・{Repairing}

B31F 7/02 ・Breaking the coating on paper

B31F 2201/00 Mechanical deformation of paper or cardboard without removing material

B31F 2201/07 ・Embossing (not used)

B31F 2201/0702 ・・by tools working discontinuously

B31F 2201/0705 ・・・Hand operated

B31F 2201/0707 ・・by tools working continuously

B31F 2201/071 ・・・Type and charactristics of the embossing toools (not used)

B31F 2201/0712 ・・・・Other than rollers, e.g. belts, plates

B31F 2201/0715 ・・・・Rollers

B31F 2201/0717 ・・・・・Methods and means for forming the embossments

B31F 2201/072 ・・・・・・Laser engraving

B31F 2201/0723 ・・・・・Characteristics of the rollers

B31F 2201/0725 ・・・・・・Hardness

B31F 2201/0728 ・・・・・・Material

B31F 2201/073 ・・・・・・Rollers having a multilayered structure

B31F 2201/0733 ・・・・・・Pattern

B31F 2201/0735 ・・・・・・・Pattern inclined with respect to the axis of the roller

B31F 2201/0738 ・・・・・・Cross sectional profile of the embossments

B31F 2201/0741 ・・・・・Roller cooperating with a non-even counter roller

B31F 2201/0743 ・・・・・・having a matching profile

B31F 2201/0746 ・・・・・・・and having a self-centering profile

B31F 2201/0748 ・・・・・・having a dissimilar profile

B31F 2201/0751 ・・・・・・・and having a self-centering profile

B31F 2201/0753 ・・・・・Roller supporting, positioning, driving means

B31F 2201/0756 ・・Characteristics of the incoming material, e.g. creped, embossed, corrugated

B31F 2201/0758 ・・Characteristics of the embossed product

B31F 2201/0761 ・・・Multi-layered

B31F 2201/0764 ・・・・the layers being nested

B31F 2201/0766 ・・・・the layers being superposed tip to tip

B31F 2201/0769 ・・・・the layers being shifted

B31F 2201/0771 ・・Other aspects of the embossing operations

B31F 2201/0774 ・・・Multiple successive embossing operations

B31F 2201/0776 ・・・Exchanging embossing tools

B31F 2201/0779 ・・Control

B31F 2201/0782 ・・Layout of the complete embossing machine, of the embossing line

B31F 2201/0784 ・・Auxiliary operations

B31F 2201/0787 ・・・Applying adhesive

B31F 2201/0789 ・・・Joining plies without adhesive

B31F 2201/0792 ・・・Printing

B31F 2201/0794 ・・・Cutting

B31F 2201/0797 ・・・Perforating