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CPC
COOPERATIVE PATENT CLASSIFICATION
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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)
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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)
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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)
}
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B31F 1/0006
. .
{
Bending or folding; Folding edges combined with joining; Reinforcing edges during the folding thereof; (creasingB31F 1/08, crêping paperB31F 1/12, corrugatingB31F 1/20; bending and joiningB31F 1/0045, stretching and foldingB31F1/00B2B2; Reinforcing edges per seB31F 5/08; making wound articlesB31C, folding thin material per seB65H 45/00)
}
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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)
}
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B31F 1/0019
. . . .
{
the plates, sheets or webs moving continuously (B31F 5/08 takes precedence)
}
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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
}
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B31F 1/0038
. .
{
Rim-rolling
}
B31F 1/0041
. . .
{
combined with joining
}
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B31F 1/0045
. .
{
Bending or folding combined with joining (Folding edges combined with joining B31F 1/0016, B31F 1/0029)
}
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B31F 1/0048
. . .
{
Bending plates, sheets or webs at right angles to the axis of the article being formed and joining the edges
}
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B31F 1/0051
. . . .
{
for making articles of definite lentgh
}
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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 1/0064 takes precedence)
}
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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
}
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B31F 1/008
.
{
Shaping of tube ends, e.g. flanging, belling, closing, rim-rolling, corrugating; Fixing elements to tube ends
}
B31F 1/0083
. .
{
Closing
}
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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)
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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
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B31F 1/12
.
Crêping 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 crêping, e.g. for making it elastic in all directions
}
B31F 1/124
. .
{
Multiple crêping, e.g. forming crêpes under different angles
}
B31F 1/126
. .
{
including making of the paper to be crêped
}
B31F 1/128
. .
{
Making paper elastic in all directions, other than by crêping (B31F 1/122 takes precedence)
}
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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 crêping, i.e. providing paper with crêpes parallel to the direction of web movement, e.g. for making paper elastic transversely to this direction
}
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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 1/008; Making tubes, not otherwise provided for, B31F 7/004; Corrugating metal tubes B21D 15/00)
}
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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
}
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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
}
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B31F 1/26
. . .
by interengaging toothed cylinders
{
cylinder constructions (B31F 1/242 takes precedence)
}
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B31F 1/28
. . . .
combined with uniting the corrugated webs to flat webs;
{
Making double-faced corrugated cardboard
}
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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
}
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B31F 1/2822
. . . . .
{
involving additional operations
}
B31F 1/2827
. . . . . .
{
Edge treatment
}
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B31F 1/2831
. . . . .
{
Control
}
B31F 1/2836
. . . . . .
{
Guiding, e.g. edge alignment; Tensioning
}
B31F 1/284
. . . . . .
{
Warp prevention
}
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B31F 1/2845
. . . . .
{
Details, e.g. provisions for drying, moistening, pressing
}
B31F 1/285
. . . . . .
{
Heating or drying equipment
}
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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
}
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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
}
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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)
}
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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)
}
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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 1/008, 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
}
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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
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B31F 5/06
.
by adhesive tape
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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)
}
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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
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B31F 2201/00
Mechanical deformation of paper or cardboard without removing material
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B31F 2201/07
.
Embossing (not used)
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B31F 2201/0702
. .
by tools working discontinuously
B31F 2201/0705
. . .
Hand operated
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B31F 2201/0707
. .
by tools working continuously
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B31F 2201/071
. . .
Type and charactristics of the embossing toools (not used)
B31F 2201/0712
. . . .
Other than rollers, e.g. belts, plates
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B31F 2201/0715
. . . .
Rollers
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B31F 2201/0717
. . . . .
Methods and means for forming the embossments
B31F 2201/072
. . . . . .
Laser engraving
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B31F 2201/0723
. . . . .
Characteristics of the rollers
B31F 2201/0725
. . . . . .
Hardness
B31F 2201/0728
. . . . . .
Material
B31F 2201/073
. . . . . .
Rollers having a multilayered structure
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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
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B31F 2201/0741
. . . . .
Roller cooperating with a non-even counter roller
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B31F 2201/0743
. . . . . .
having a matching profile
B31F 2201/0746
. . . . . . .
and having a self-centering profile
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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
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B31F 2201/0758
. .
Characteristics of the embossed product
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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
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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
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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
This page is owned by Office of Patent Classification.
Last Modified: 04/16/2013 4:31:16 PM