Version: 2024.08
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CPC | COOPERATIVE PATENT CLASSIFICATION | |||
B31F | MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER (making layered products not composed wholly of paper or cardboard B32B) [2017-08] |
B31F 1/00 | Mechanical deformation without removing material, e.g. in combination with laminating [2017-08] |
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)} [2013-01] |
B31F 1/0006 | . . | {Bending or folding; Folding edges combined with joining; Reinforcing edges during the folding thereof; (creasing B31F 1/08, crêping paper B31F 1/12, corrugating B31F 1/20; bending and joining B31F 1/0045; reinforcing edges per se B31F 5/08; making wound articles B31C, folding thin material per se B65H 45/00)} [2017-08] |
B31F 1/0009 | . . . | {of plates, sheets or webs} [2013-01] |
B31F 1/0012 | . . . . | {combined with making folding lines (B31F 1/0022 takes precedence)} [2013-01] |
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)} [2013-01] |
B31F 1/0019 | . . . . | {the plates, sheets or webs moving continuously (B31F 5/08 takes precedence)} [2013-01] |
B31F 1/0022 | . . . . . | {combined with making folding lines} [2013-01] |
B31F 1/0025 | . . . . . . | {Making the folding lines using rotary tools} [2013-01] |
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} [2013-01] |
B31F 1/0032 | . . . | {of tubes} [2013-01] |
B31F 1/0035 | . . | {Straightening or flattening} [2013-01] |
B31F 1/0038 | . . | {Rim-rolling} [2013-01] |
B31F 1/0041 | . . . | {combined with joining} [2022-08] |
B31F 1/0045 | . . | {Bending or folding combined with joining (folding edges combined with joining B31F 1/0016, B31F 1/0029)} [2017-08] |
B31F 1/0048 | . . . | {Bending plates, sheets or webs at right angles to the axis of the article being formed and joining the edges} [2013-01] |
B31F 1/0051 | . . . . | {for making articles of definite lentgh} [2013-01] |
B31F 1/0054 | . . . . . | {using internal forming surfaces, e.g. mandrels} [2013-01] |
B31F 1/0058 | . . . . . . | {Machines therefor having additional mandrels, e.g. mounted on a turntable, or on chains (B31F 1/0064 takes precedence)} [2013-01] |
B31F 1/0061 | . . . . | {for making articles of indefinite length} [2013-01] |
B31F 1/0064 | . . . . . | {using internal forming surfaces, on, e.g. mandrels} [2016-08] |
B31F 1/0067 | . . . . . | {using only external forming surfaces, e.g. sleeves} [2013-01] |
B31F 1/007 | . . . . | {for making articles with multilayered walls} [2013-01] |
B31F 1/0074 | . . . . | {Making essentially non-hollow profiles, e.g. rods, ropes, cords} [2013-01] |
B31F 1/0077 | . | {Shaping by methods analogous to moulding, e.g. deep drawing techniques} [2013-01] |
B31F 1/008 | . | {Shaping of tube ends, e.g. flanging, belling, closing, rim-rolling or corrugating; Fixing elements to tube ends} [2022-08] |
B31F 1/0083 | . . | {Closing} [2013-01] |
B31F 1/0087 | . . | {Rim-rolling} [2013-01] |
B31F 1/009 | . . . | {combined with joining, e.g. for fixing a closure element} [2022-08] |
B31F 1/0093 | . . | {Fixing elements to tube ends} [2013-01] |
B31F 1/0096 | . | {Lining or sheathing (folding the edge of the sheathing B31F 1/0016, B31F 1/0029)} [2013-01] |
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; 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) [2016-01] |
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}) [2013-01] |
B31F 1/10 | . . | by rotary tools [2013-01] |
B31F 1/12 | . | Crêping [2017-08] |
B31F 1/122 | . . | {the paper being submitted to an additional mechanical deformation other than crêping, e.g. for making it elastic in all directions} [2013-01] |
B31F 1/124 | . . | {Multiple crêping, e.g. forming crêpes under different angles} [2013-01] |
B31F 1/126 | . . | {including making of the paper to be crêped} [2013-01] |
B31F 1/128 | . . | {Making paper elastic in all directions, other than by crêping (B31F 1/122 takes precedence)} [2013-01] |
B31F 1/14 | . . | by doctor blades arranged crosswise to the web [2013-01] |
B31F 1/145 | . . . | {Blade constructions} [2013-01] |
B31F 1/16 | . . |
B31F 1/18 | . . | by tools arranged in the direction of web feed {; Longitudinal crêping, i.e. providing paper with crêpes parallel to the direction of web movement, e.g. for making paper elastic transversely to this direction} [2017-08] |
B31F 1/20 | . | Corrugating; Corrugating combined with laminating to other layers [2017-08] |
B31F 1/205 | . . | {Corrugating tubes (corrugating tube ends B31F 1/008; making tubes, not otherwise provided for, B31F 7/004; corrugating metal tubes B21D 15/00)} [2017-08] |
B31F 1/22 | . . | Making webs in which the channel of each corrugation is longitudinal with the web feed [2013-01] |
B31F 1/225 | . . . | {combined with uniting the corrugated web to flat webs; Making corrugated-web structures} [2013-01] |
B31F 1/24 | . . | Making webs in which the channel of each corrugation is transverse to the web feed [2013-01] |
B31F 1/242 | . . . | {the corrugations being obliquely inclined to the web feed (B31F 1/247, B31F 1/30 take precedence)} [2013-01] |
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} [2013-01] |
B31F 1/247 | . . . | {by reciprocating members} [2013-01] |
B31F 1/26 | . . . |
B31F 1/28 | . . . . | combined with uniting the corrugated webs to flat webs {; Making double-faced corrugated cardboard} [2017-08] |
B31F 1/2804 | . . . . . | {Methods} [2013-01] |
B31F 1/2809 | . . . . . . | {characterised by the chemical composition of the glue} [2013-01] |
B31F 1/2813 | . . . . . | {Making corrugated cardboard of composite structure, e.g. comprising two or more corrugated layers} [2013-01] |
B31F 1/2818 | . . . . . | {Glue application specially adapted therefor} [2013-01] |
B31F 1/2822 | . . . . . | {involving additional operations} [2013-01] |
B31F 1/2827 | . . . . . . | {Edge treatment} [2013-01] |
B31F 1/2831 | . . . . . | {Control} [2013-01] |
B31F 1/2836 | . . . . . . | {Guiding, e.g. edge alignment; Tensioning} [2013-01] |
B31F 1/284 | . . . . . . | {Warp prevention} [2013-01] |
B31F 1/2845 | . . . . . | {Details, e.g. provisions for drying, moistening, pressing} [2013-01] |
B31F 1/285 | . . . . . . | {Heating or drying equipment} [2013-01] |
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} [2013-01] |
B31F 1/2859 | . . . . . . . | {Pressing fingers} [2013-01] |
B31F 1/2863 | . . . . . . | {Corrugating cylinders; Supporting or positioning means therefor; Drives therefor} [2013-01] |
B31F 1/2868 | . . . . . . . | {Exchangeable corrugating cylinders (means for changing cutting members in shearing devices B23D 35/008)} [2013-01] |
B31F 1/2872 | . . . . . . | {Spraying devices, e.g. for moistening purposes; Lubricating devices} [2013-01] |
B31F 1/2877 | . . . . . . | {Pressing means for bringing facer sheet and corrugated webs into contact or keeping them in contact, e.g. rolls, belts} [2013-01] |
B31F 1/2881 | . . . . . . . | {for bringing a second facer sheet into contact with an already single faced corrugated web} [2013-01] |
B31F 1/2886 | . . . . . | {Additionally reinforcing, e.g. by applying resin or wire} [2013-01] |
B31F 1/289 | . . . . . | {from discrete sheets} [2013-01] |
B31F 1/2895 | . . . . . | {from corrugated webs having corrugations of particular shape} [2013-01] |
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)} [2013-01] |
B31F 1/30 | . . . | Tools secured to endless chains {, e.g. toothed belts; combined with uniting the corrugated web to flat webs} [2016-08] |
B31F 1/305 | . . . . | {with sets of interengaging tools each secured to endless chains} [2013-01] |
B31F 1/32 | . . | Corrugating already corrugated webs [2013-01] |
B31F 1/36 | . | Moistening and heating webs to facilitate mechanical deformation and drying deformed webs {(during corrugating B31F 1/28)} [2013-01] |
B31F 5/00 | Attaching together sheets, strips or webs; Reinforcing edges [2022-08] |
B31F 5/001 | . | {by stapling or riveting} [2013-01] |
B31F 5/003 | . | {by stitching} [2013-01] |
B31F 5/005 | . | {by folding (rim-rolling B31F 1/0041)} [2013-01] |
B31F 5/006 | . | {using a strip, e.g. profiled (B31F 5/06 takes precedence)} [2013-01] |
B31F 5/008 | . | {by friction, e.g. obtained ultrasonic vibrations} [2013-01] |
B31F 5/02 | . | by crimping or slotting {or perforating} [2013-01] |
B31F 5/022 | . . | {using a rotary tool} [2013-01] |
B31F 5/025 | . . | {by slotting} [2013-01] |
B31F 5/027 | . . | {by perforating, e.g. by folding over the partially cut part} [2013-01] |
B31F 5/04 | . | by exclusive use of adhesives [2013-01] |
B31F 5/06 | . | by adhesive tape [2013-01] |
B31F 5/08 | . . | for reinforcing edges {; Applying a strip or tape to an edge, e.g. for decorating, for protecting} [2017-08] |
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)} [2013-01] |
B31F 7/00 | Processes not otherwise provided for [2017-08] |
B31F 7/002 | . | {tubular articles, e.g. changing the cross-section} [2013-01] |
B31F 7/004 | . | {Making tubes} [2013-01] |
B31F 7/006 | . | {edges, e.g. sheet edges} [2013-01] |
B31F 7/008 | . | {Repairing} [2013-01] |
B31F 7/02 | . | Breaking coatings, e.g. on paper or cardboard [2017-08] |
B31F 2201/00 | Mechanical deformation of paper or cardboard without removing material [2013-01] |
B31F 2201/07 | . | Embossing [2019-01] |
B31F 2201/0702 | . . | by tools working discontinuously [2013-01] |
B31F 2201/0705 | . . . | Hand operated [2013-01] |
B31F 2201/0707 | . . | by tools working continuously [2013-01] |
B31F 2201/0715 | . . . | The tools being rollers [2019-01] |
B31F 2201/0717 | . . . . | Methods and means for forming the embossments [2019-01] |
B31F 2201/072 | . . . . . | Laser engraving [2019-01] |
B31F 2201/0723 | . . . . | Characteristics of the rollers [2019-01] |
B31F 2201/0725 | . . . . . | Hardness [2019-01] |
B31F 2201/0728 | . . . . . | Material [2019-01] |
B31F 2201/073 | . . . . . | Rollers having a multilayered structure [2019-01] |
B31F 2201/0733 | . . . . . | Pattern [2019-01] |
B31F 2201/0735 | . . . . . . | Pattern inclined with respect to the axis of the roller [2019-01] |
B31F 2201/0738 | . . . . . | Cross sectional profile of the embossments [2019-01] |
B31F 2201/0741 | . . . . | Roller cooperating with a non-even counter roller [2019-01] |
B31F 2201/0743 | . . . . . | having a matching profile [2019-01] |
B31F 2201/0746 | . . . . . . | and having a self-centering profile [2019-01] |
B31F 2201/0748 | . . . . . | having a dissimilar profile [2019-01] |
B31F 2201/0751 | . . . . . . | and having a self-centering profile [2019-01] |
B31F 2201/0753 | . . . . | Roller supporting, positioning, driving means [2019-01] |
B31F 2201/0754 | . . . | The tools being other than rollers, e.g. belts or plates [2019-01] |
B31F 2201/0756 | . . | Characteristics of the incoming material, e.g. creped, embossed, corrugated [2013-01] |
B31F 2201/0758 | . . | Characteristics of the embossed product [2013-01] |
B31F 2201/0761 | . . . | Multi-layered [2013-01] |
B31F 2201/0764 | . . . . | the layers being nested [2013-01] |
B31F 2201/0766 | . . . . | the layers being superposed tip to tip [2013-01] |
B31F 2201/0769 | . . . . | the layers being shifted [2013-01] |
B31F 2201/0771 | . . | Other aspects of the embossing operations [2013-01] |
B31F 2201/0774 | . . . | Multiple successive embossing operations [2013-01] |
B31F 2201/0776 | . . . | Exchanging embossing tools [2013-01] |
B31F 2201/0779 | . . | Control [2013-01] |
B31F 2201/0782 | . . | Layout of the complete embossing machine, of the embossing line [2013-01] |
B31F 2201/0784 | . . | Auxiliary operations [2013-01] |
B31F 2201/0787 | . . . | Applying adhesive [2013-01] |
B31F 2201/0789 | . . . | Joining plies without adhesive [2013-01] |
B31F 2201/0792 | . . . | Printing [2013-01] |
B31F 2201/0794 | . . . | Cutting [2013-01] |
B31F 2201/0797 | . . . | Perforating [2013-01] |