EP3160727A1 - Dispositif et procédé servant à fabriquer des produits plats - Google Patents

Dispositif et procédé servant à fabriquer des produits plats

Info

Publication number
EP3160727A1
EP3160727A1 EP15730767.9A EP15730767A EP3160727A1 EP 3160727 A1 EP3160727 A1 EP 3160727A1 EP 15730767 A EP15730767 A EP 15730767A EP 3160727 A1 EP3160727 A1 EP 3160727A1
Authority
EP
European Patent Office
Prior art keywords
embossing
elevation
embossment
height
roller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15730767.9A
Other languages
German (de)
English (en)
Other versions
EP3160727B1 (fr
Inventor
Guido BRÖCKER
Lutz Klingauf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Metsa Tissue Oyj
Original Assignee
Metsa Tissue Oyj
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Metsa Tissue Oyj filed Critical Metsa Tissue Oyj
Priority to PL15730767T priority Critical patent/PL3160727T3/pl
Publication of EP3160727A1 publication Critical patent/EP3160727A1/fr
Application granted granted Critical
Publication of EP3160727B1 publication Critical patent/EP3160727B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/07—Embossing, i.e. producing impressions formed by locally deep-drawing, e.g. using rolls provided with complementary profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0707—Embossing by tools working continuously
    • B31F2201/0715—The tools being rollers
    • B31F2201/0723—Characteristics of the rollers
    • B31F2201/0738—Cross sectional profile of the embossments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0707—Embossing by tools working continuously
    • B31F2201/0715—The tools being rollers
    • B31F2201/0741—Roller cooperating with a non-even counter roller
    • B31F2201/0743—Roller cooperating with a non-even counter roller having a matching profile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0758—Characteristics of the embossed product
    • B31F2201/0761—Multi-layered
    • B31F2201/0766—Multi-layered the layers being superposed tip to tip

Definitions

  • the present invention relates to a device for the production of surface products, in particular from tissue and / or tissue-like materials, and to a method for producing such surface products using the device according to the invention as well as a surface product produced with the inventive
  • Roll pairs each consisting of an embossing roller and a smooth or
  • Paper product has a connection "TIP-to-TIP", that is, over top surfaces of at least partially oppositely arranged embossing points, generated by corresponding embossing elevations on the embossing rollers, wherein a synchronization of the embossing rollers takes place.
  • a middle layer is provided without any embossing.
  • EP 1 619 01 5 B1 discloses a multi-layer surface product with which the object is to be achieved of settling a colored embossed pattern on this ink more strongly in terms of contrast. This object is achieved in that at least one layer on the back or front side of the surface product for contrast enhancement of the colored embossing pattern with respect to the forming the front or back of the surface product layer is colored similar or the same as the position of the adhesive position taking adhesive. It can also a layer connection between individual layers by the method "TIP-to-TIP" done.
  • tissue is understood to mean a product which corresponds to DIN 6730. Accordingly, tissue is a product, which and a
  • tissue-like material is understood as meaning material which, in contrast to tissue material, is changed by changes in the tissue
  • tissue and / or tissue-like material e.g. Pulp, wood, waste paper, bamboo and / or straw are used.
  • the surface product is one or more layers
  • nonwoven materials are understood in particular to mean those which are produced from natural fibers, preferably from paper fibers, and / or synthetic fibers.
  • the synthetic fibers used are preferably polymeric fibers and / or combinations of natural-like or synthetic fibers.
  • Object of the present invention is to provide a device, a method and a surface product available, which qualitatively and optically has a good effect.
  • a device for producing sheet products comprising a first embossing roller, comprising at least a first embossment elevation and a second embossment elevation, wherein the first embossment elevation h and the second embossment elevation has a height h 2 , wherein h and h 2 different are, further comprising a second embossing roller comprising at least a third and a fourth embossment elevation, wherein the third embossment elevation has a height h 3 and a fourth embossment elevation a height h 4 , wherein h 3 and h 4 are different, and wherein the first and second Embossing roller are associated with each other such that at least in
  • the first embossing survey of the fourth embossing survey and the second embossing survey of the third embossing survey are assigned to subsections thereof.
  • the device according to the invention is particularly suitable for producing two-, three-, four-, five-, six- or multi-ply surface products of tissue and / or tissue-like materials, as defined above. These can be used, for example, as toilet paper,
  • the device according to the invention may also include further embossing rollers, smooth rollers associated therewith, also called rubber dough rollers, gluing units, connecting rollers, etc., and in particular also one
  • Pre-embossing unit with which webs of surface products before being fed to a gap formed between the first embossing roller and the second embossing roller can be machined.
  • the surface products to be supplied to the first embossing roll and the second embossing roll are preferably designed in the form of webs and may be single-layered or multi-layered, and in particular also pre-embossed, but also unembossed.
  • single-layer webs can be provided with a micro-embossing and then the associated first and second
  • Embossing rollers are supplied. It is also possible that in a Voroniageü the device according to the invention, for example, a two-ply surface product in
  • Web form is formed, wherein the two layers "TIP-to-TIP” or in the so-called “nested” compound, also each unsynchronized generated.
  • Unsynchronized means that, for example, in the "TIP-to-TIP" method, not every head face of a Embossing elevation of an embossing roll is assigned to exactly one head face of a stamping elevation of the associated embossing roll, but that an offset can occur here in the machine direction, thus still one of the head face of a embossing elevation of a first embossing roll faces a part of a head face of a embossing elevation, a second embossing roll over which one embossing elevation Connection of the webs takes place at least in parts.
  • the basis weight of a single layer is preferably in a range of about 6 g / m 2 to 100 g / m 2 , preferably in a range of about 9 g / m 2 to about 35 g / m 2 , and the weight per unit area of the device produced by the device according to the invention
  • Surface product is advantageously in a range of about 15g / m 2 to 400g / m 2 , more preferably in a range of about 30g / m 2 to about 200g / m 2 .
  • the inventive device is characterized in particular by the fact that due to the assignment of the first embossing roll to the second embossing roll to form in particular a gap between them ultimately a "TIP-to-TIP" connection takes place, wherein the opposing embossing surveys a different height h to h 4 , measured from a base of the first and second embossing rollers, respectively, with pairs of the embossing projections being formed, namely, a pair through the first embossment elevation and fourth embossment elevation, once a pair through the second embossment elevation, and the third embossment elevation.
  • the height h is greater than the height h 2
  • the height h 4 of the fourth embossment elevation assigned to the height h of the first embossment elevation is smaller than the height h.
  • the height h 3 of the third embossment elevation is greater than the height h 4 and thus greater than the height h 2 of the second embossment elevation.
  • embossing elevations of the first embossing roll and those of the second embossing roll for example one colored glue at least partially over their top surfaces, so that a two-color surface product with a cleanly structured or clear pattern is made available becomes.
  • the subregions of the embossing rolls form the first and fourth
  • Embossing surveys and the second and third embossing surveys an entire embossing surface of the embossing rollers.
  • third pairs of embossing elevations, as described above, or else omissions, or non-embossing embossing elevations, ie those which do not have the same overall height as those embossing elevation pairs and in particular spaced from each other with respect to their top surfaces, may be provided.
  • the embossing rollers preferably have distributed over the entire embossing surface on said subregions.
  • first to fourth embossing elevations forming these which preferably form micro- and / or decorative embossing patterns, are distributed over the entire width of the embossing surface of the embossing rolls.
  • Subareas with embossing elevations which produce a microembossing preferably predominate in their total area those subregions with embossing elevations which form a macro embossing.
  • the subregions are particularly preferably designed in such a way that the subarea formed by the one pair of embossing elevations over the entire width of the embossing surface of the embossing rollers generates a background element in the form of a microembossing, in which at least one macro embossing in at least two subareas with the further pair of embossing elevations Form of a decorative pattern is introduced.
  • the first embossing roll and the second embossing roll can also have omissions between embossing elevations in further subregions of the surfaces thereof, in which embossing elevations are not arranged.
  • embossing elevations are provided, which have an identical height, measured starting from the base of the respective embossing roll, in further subregions of the first embossing roll and second embossing roll.
  • the embossing surveys can also be designed such that the opposing top surfaces do not come into contact and in particular are not provided with glue.
  • the first embossing elevations and fourth embossing elevations as well as the second embossing elevations and third embossing elevations with the heights h to h 4 are assigned such that a uniform gap is formed between them.
  • the gap distance is preferably in a range of about 0.5 / 100 mm to about 40/100 mm, more preferably in a range of about 1/100 mm to about 1 5/100 mm, even more preferably in a range of about 1 / 100 mm to about 5/100 mm.
  • the first embossing elevations have a height h of 1,300 ⁇ m, measured from a base of the first embossing roll, and the fourth embossing elevations associated therewith have a height h 4 of approximately 700 ⁇ m.
  • the second embossing elevations of the first embossing roll have a height h 2 of about 700 ⁇
  • the third embossing elevations h 3 of about 1 300 ⁇ , each also measured from the bottom, but now the second embossing roll.
  • the respective embossing survey pairs may also have different heights.
  • the first embossment elevation and the third embossment elevation have a height h and h 3 in a range from about 600 ⁇ m to about 2000 ⁇ m, measured from a base of the first embossing roller or base of the second embossing roller, the abovementioned Range preferably in a range of about 800 ⁇ to about 1800 ⁇ , even more preferably in a range of about 1000 ⁇ to about 1 600 ⁇ .
  • the second embossment elevation and the fourth embossment elevation have a height h 2 and h 4 in one area from about 400 ⁇ to about 1600 ⁇ measured from a base of the first embossing roller or base of the second embossing roll, said area preferably between about 600 ⁇ to about 1400 ⁇ , even more preferably in a range of about 700 ⁇ to about 1200 ⁇ lies.
  • the first embossment elevation h have a height h of about 1400 ⁇ and the fourth embossment elevation h 4 of about 600 ⁇ , and the second embossment elevation h 2 of about 800 ⁇ and the third embossment elevation a height h 3 of about 1200 ⁇ .
  • any other combination of the heights is possible, as far as embossment elevation pairs are formed in the sense of the above, wherein the heights h and h 2 or h 3 and h 4 of the first and second embossment elevation and third and fourth embossment elevation are just different, and preferably the first and fourth embossing elevations together have an overall height which is identical to the total height of the second and third embossing elevations, in the above example therefore 2000 ⁇ m.
  • non-woven material also referred to as non-woven material
  • the nonwoven material may consist of natural fibers, such as cellulose or cotton fibers, but also of plastic fibers such as polyethylene or polypropylene fibers.
  • the webs fed to the first embossing roll and the second embossing roll can not only be embossed and microembossed, but can also be embossed or knurled, needled or otherwise structurally pretreated in some other way. They can also be provided with surface-altering agents, or with lotions or balm.
  • top surfaces of the first and fourth embossment elevations and of the second and third emboss elevations are arranged substantially opposite one another.
  • Head surfaces are the same size, these are more preferably substantially exactly associated with each other.
  • the term “essentially” and “approximately” is to be understood as meaning that the values or dimensioning related to them are not more than +
  • top surfaces of the first and fourth embossing elevation and the second and third embossing elevation need not fully correspond in their dimensions.
  • the dimensioning of the top surface of the first and the second embossing elevation may be different, for example, they may have a smaller diameter than those of the third and fourth embossing elevation.
  • Embossing survey are assigned to the third and fourth embossing surveys that their top surfaces are arranged within the top surfaces of the third and fourth embossing elevation, or vice versa.
  • the assignment of the top surfaces of the first and the fourth embossing elevation on the one hand and the second and third embossing elevation on the other hand is such that they are not arranged exactly or substantially opposite, but it can also Offset of more than 10%, preferably more than 20%, more preferably more than 30%, even more preferably more than 40% or 50%, are present, if it is only ensured that at least partial area of the respective head surfaces
  • the device according to the invention comprises a first smooth roll assigned to the first embossing roll, which also acts as counter-roll, in particular as
  • a second smooth roller the second embossing roller is assigned, wherein the second smooth roll as counter-roll, in particular as
  • the device according to the invention comprises a first gluing unit, which is associated with the first embossing roller. More preferably, the device according to the invention comprises a second gluing unit, which is associated with the second embossing roller.
  • the first gluing unit and the second gluing unit each have a first glue application roller or a second glue application roller with which glue can be transferred to the embossing elevations of the first embossing roller and the second embossing roller.
  • a glue application preferably takes place exclusively on those embossing surveys, which have a greater height.
  • this can be, for example, the first embossment elevation with a height h and the third emboss elevation of the second embossing roll with a height h 3 .
  • the glue can be colorless or colored. Particularly preferred in the context of the present invention is that the first gluing unit and the second gluing unit are loaded with glue of different colors. Then, according to the invention, two-color surface products can be made available with clearly contoured embossing patterns, caused by the respective embossing elevation pairs formed by the first embossing roll and the second embossing roll.
  • a gluing unit or an alternative device for example a
  • the first embossing roller is a first gluing unit for applying a transparent glue
  • the second embossing roller is associated with a device, which can be, for example, a gluing unit, for application of paint.
  • the first embossing roll and / or second embossing roll comprises omissions without embossing elevations.
  • These omissions are preferably arranged in partial regions on the first embossing roller and / or second embossing roller.
  • emboss patterns omissions are provided particularly in an area around macroembossing patterns, so that the macro emboss patterns are more prominent.
  • the Makrostorygemuster may for example be one which has a linear or circular shape or has another figurative shape, or combination of
  • macro embossed patterns may be in the shape of a cloud or sheep, flower or other motif.
  • the macro embossing patterns are produced, for example, by linear embossing embossments.
  • the embossment elevation pair of the first and fourth embossment elevations can each be designed in the form of a line to form the macroemboss pattern.
  • omissions are provided, these are preferably arranged around the pair of those embossment elevations which generates a macro motif, in particular a decorative pattern.
  • the omissions have a width of one to five, preferably to three,
  • the omissions can be defined by removed or by embossing surveys with a lower height than that of the first to fourth embossing surveys, which then no
  • Embossing surveys which form at least one macromotive
  • another third pair of embossing surveys is arranged, which, as already described above, a
  • Contrast enhancement especially in Buffalo colored glue only in the area of the macro motive forming embossing surveys produce.
  • the embossing projections provided on the first embossing roll or second embossing roll may have all the geometric shapes. These may be formed, for example, truncated pyramidal or frusto-conical, and may for example be formed linearly to form macroembossings. But also other large-scale forms are possible depending on the desired macro motive.
  • the top surface of the respective embossing survey is at least 0.05 mm 2 .
  • a partial surface of the top surface of associated first and fourth embossing elevation or ⁇ second and third embossing bumps is at least 0.05 mm 2 , and lies
  • Micro-embossing in the sense of this invention is a small dot
  • the embossing projections may be formed at an opening angle of about 5 degrees to about 85 degrees, advantageously at an angle in a range of about 30 degrees to about 80 degrees.
  • the side surfaces of the embossing elevations need not be identical, and also do not have an identical opening or flank angle, but may also be different, in particular asymmetric.
  • all embossing elevations which are arranged on the surface of the first and / or second embossing roll are particularly conical or truncated with respect to the side surfaces, preferably symmetrically in the shape of truncated or truncated pyramids, ie. also with identical ones
  • the flank angles may be the same or different.
  • Line-shaped embossment elevations preferably have a head surface which is widened in comparison with the top surfaces of pyramid-shaped and / or frustoconical embossing elevations. This widened head surface is preferably formed about 2 times or 5 times wider than in the case of conical and / or truncated pyramidal embossing elevations, based on a
  • the present invention further relates to a process for the preparation of
  • first embossing roller comprising at least a first and a second embossment elevation, wherein the first embossment elevation a height h and the second embossment elevation has a height h 2 , where h and h 2 are different, and with a second one
  • An embossing roller comprising at least a third and a fourth embossment elevation, the third embossment elevation having a height h 3 and the fourth embossment elevation having a height h 4 , the first and second embossing rollers being associated with one another such that the first embossment elevation of the fourth embossment elevation and the first embossing elevation second embossment elevation of the third embossment elevation are assigned, so that when guiding at least one first web by a gap formed between the first and the second embossing roller at least partially the first web is embossed in the area of top surfaces of the first to fourth embossing elevations.
  • connection is advantageously carried out, wherein the connection is even more advantageously carried out by glue, which is applied at least in partial areas of the top surfaces, in particular those embossment elevations which have a greater height.
  • a first glue is applied to the first embossment elevation with the height h via a first gluing unit.
  • a second glue is applied to the third embossment elevation with the height h 3 via a second gluing unit.
  • the first size and the second size are used differently colored.
  • the glue is used colorless, or that only the first or the second glue is used colored.
  • At least one first web is guided over the first embossing roll and at least one second web is passed over the second embossing roll.
  • a further, third web fed, which in turn may be single-layer, two-ply, three-ply or otherwise multi-layered. All webs or individual layers of the respective webs are unembossed, microembossed, embossed, needled, knurled or otherwise structurally prepared used.
  • the device according to the invention more than three webs of the first embossing roll and the second embossing roll in the gap between this, is supplied.
  • at least one third web is introduced between the first and second webs, which third web may be formed in one, two or more layers as described above.
  • the third web is preferably arranged between the first web and the second web by means of the surface product produced by the method according to the invention.
  • the first embossing roll and / or second embossing roll is a connecting roll, too
  • Rail connection roller called assigned. In the method according to the invention, this can also be arranged by the first embossing roll and / or the second embossing roll, depending on the desired manufacture of the surface product to be produced by means of the method according to the invention and the device according to the invention.
  • the present invention further relates to a surface product produced by the device according to the invention as described above or
  • the surface product is advantageously made of tissue and / or a tissue-like material. However, it may also be made of a non-woven material.
  • the area product advantageously has a micro-embossing pattern at least in some areas, and more preferably a macro-embossing pattern in other subareas. It can, however It may also be provided that the surface product has two or more different macroembossing patterns or two or more different microembossing patterns.
  • the respective embossing patterns be they micro embossing patterns or macro embossing patterns, are highlighted in color by the use of colored glue or by color.
  • the surface product preferably has embossed patterns emphasized at least in two-color, wherein preferably one embossed pattern, which is highlighted in color, is a micro embossed pattern, and the other embossed pattern is a macro embossing pattern.
  • the at least one macro (decorative) embossed pattern is highlighted in color, while the at least one microembossing pattern is not.
  • the present invention furthermore relates to the use of the at least single-layer, preferably two-layer, more preferably three, four, five, six or other type
  • FIG. 1 shows a schematic view of a first embodiment of the device according to the invention
  • FIG. 2 shows a section of the first embodiment according to FIG. 1 with a first embossing roller
  • FIG. 3 is a schematic representation of the assignment of the first embossing roller 12 and the second embossing roller 16 with a gap 38;
  • Fig. 4 a schematic representation of the first embossing roller 1 2 and the second
  • FIG. 6 shows a schematic representation of the conditions in the gap 38 in the case of a web guide with a device according to FIG. 5;
  • FIG. 7 shows a device according to the invention in a third embodiment with a
  • Fig. 8 a schematic representation of the relationships in the gap 38 between the first
  • Fig. 1 1 a plan view of a two-ply, produced by the process according to the invention surface product 80; such as
  • FIG. 12 shows a sectional view A-A according to FIG. 11 through the two-ply surface product 80.
  • Embodiments are to be interpreted by way of example only and not by way of limitation.
  • references numerals do not limit the scope of the present invention, but merely refer to the embodiments indicated in the figures.
  • the arrangement of the first to fourth embossing elevations as shown in the figures, only one or more of the possible configurations and arrangements thereof on the first embossing roller 1 2 and the second embossing roller 16.
  • This also applies to the surface product 80 of FIG which may be designed in any other way, and in particular may have other macro or micro-embossing patterns.
  • the first, second and third tracks 30, 32 and 34 to and in the device 10 according to the invention is in the context of the present invention is not excluded in particular that also further tracks beyond the three tracks 30, 32 and 34 are provided out and that the respective tracks not only one or two layers, but otherwise are designed as multi-layered.
  • the assignment of gluing plants is only an exemplary assignment, these can be assigned in particular in other ways the embossing rollers 12 and 16.
  • the (rubber) counter rollers 14 and 18 or connecting rollers 20 can be turned off by the first embossing roller 12 and the second embossing roller 16, depending on what is to be obtained for a surface product, in particular which properties this should have.
  • FIG. 1 now shows a device according to the invention, designated overall by the reference numeral 10, in which two material webs 30 and 32, each of which has a single layer, are joined to form a surface product 80, which then has two layers.
  • the first web 30 is fed via a Gummiumblewalze or smooth roller 14 of a first pair of rollers of a first embossing roll 12, wherein a gluing takes place via a first applicator roll 24 of a first gluing unit 22 with, for example, a colored glue.
  • this gluing is carried out only in areas of first embossing elevations 40 with a height h 1; which is greater than a height h 2 of second embossing elevations 42, which are arranged on a surface of the embossing roller 12, starting from a base 48 thereof at least in partial areas.
  • the gluing takes place in the region of top surfaces of third embossing elevations 44 with a height h 3 which is greater than a height h 4 of fourth embossing elevations 46, measured in each case starting from a bottom 50 of the second embossing roller 16 a gap 38 formed by assigning the first embossing roller 1 2 and the second embossing roller 16, the two material webs 30 and 32 are guided and thereby connected, in particular by the The glue is then applied through the first gluing unit 22 and the second gluing unit 26. Subsequently, the web is guided via a web connection roller 20 and guided out of the device 10 in the machine direction 36, symbolized by the arrow, the finished surface product 80, which is designed in two layers.
  • FIG. 2 shows a section of FIG. 1 relating to the first embossing roller 12 and the second embossing roller 16 with an exemplary arrangement of the first to fourth shown
  • Embossing survey 40, 42, 44 and 46 It is symbolically marked by the Versehung of top surfaces of the first embossment elevation 40 and the third embossment elevation 44 with first glue 23 and second glue 27, wherein the first and the second glue 23 and 27
  • first size 23 and the second size 27 may also be uncoloured, or only one of the two sizes may be colored.
  • Fig. 3 shows schematically the situation in the gap 38 formed between the first
  • FIG. 3 shows the state without introduced in the gap 38 material webs.
  • first embossing projections 40 can be seen with a height h which is greater than a height h 2 of second embossing projections 42.
  • the heights h and h 2 are calculated from a base 48 of the first embossing roller 1 2 to a top surface 52 the first embossing survey 40 and a top surface 54 of the second embossing survey 42 determined.
  • the first embossment elevation 40 and the second embossment elevation 42 are formed in this example in a truncated pyramid, the first embossment elevation 40 having first and second side surfaces 60 and 61 and the second embossment elevation 42 having first and second side surfaces 62 and 63.
  • the side surfaces 60 and 61 or 62 and 63 are formed symmetrically to each other and have an opening angle of about 60 degrees in the first embossment elevation 40 and about 65 degrees in the second embossment elevation 42.
  • the third embossing elevations 44 of the second embossing roller 16 have a height h 3 which is greater than a height h 4 of fourth embossing elevations 46.
  • the heights h 3 and h 4 are measured starting from a bottom 50 of the second embossing roller 16 up to one Top surface 56 of the third embossing survey 44 and a top surface 58 of the fourth embossment elevation 46.
  • Retrigger 44, 46 are also formed like a truncated pyramid, wherein the third embossment elevation 44 has side surfaces 64 and 65 and the fourth embossment elevation 46 side surfaces 66 and 67.
  • the side surfaces 64 and 65 and 66 and 67 are symmetrical to each other in particular with equal opening angles, said the angle determined between the base 50 and the side surfaces 64 and 65 of the third
  • the first size 23 is on the first one
  • reference numeral 70 designates a normal line which is defined by the top surfaces 56 of the third embossment elevation and top surfaces 52 of the first embossment elevation 40.
  • the gap distance between the top surfaces 52 of the first embossment elevation 40 and top surfaces 58 of the fourth embossment elevation 46 and the top surfaces 54 of the second embossment elevation 42 and the top surfaces 56 of the third embossment elevation 44 is approximately 3/100 mm.
  • FIG. 4 shows the situation in the gap 38 between the first embossing roll 12 and the second embossing roll 16 when material webs 30 and 32 are fed, each being single-layered, using a device 10 according to FIG. 1.
  • the connection via the first glue 23 or the second glue 27 in the region of the embossing-roller pairs is the first embossment elevation 40 / second embossment elevation 46 or second embossment elevation 42 / third emboss elevation 44.
  • Fig. 5 shows a schematic representation of a second embodiment of the
  • a material web 30 is formed by a first layer 29 and a second layer 31 and a material web 32 formed by a third layer 33 and a fourth layer 35. This ultimately leads to a total of four-layer surface product 80 formed. Otherwise, the feeding of the two-ply web 30 and 32 and the gluing takes place in the same way as described in the first embodiment according to FIG.
  • Fig. 6 shows the situation in the gap 38 between the first embossing roller 1 2 and the second embossing roller 16 when supplying the webs 30 and 32 with the device 10, as shown in Fig. 5.
  • the connection of the individual layers 29, 31, 33 and 35 of the two-ply web 30 and 32 in the region of the embossing survey pairs 40/46 and 42/44 can be recognized well using a first glue 23 and a second glue 27.
  • 7 shows a third embodiment of the device 10 according to the invention in a schematic representation, wherein only deviations from the first embodiment according to FIG. 1 are explained below.
  • a pre-embossing unit 90 is additionally provided, via which a two-ply third material web 34 is guided between a single-ply material web 30 and a single-ply material web 32 into the gap 38 between the first embossing roll 12 and the second embossing roll 16 ,
  • the pre-embossing unit 90 comprises a first pair of rollers with a smooth roller or Kunststoffadelwalze 94 and one of these associated first embossing roller 92 and a second pair of rollers with a second smooth or
  • Glueing unit 100 is associated with the first embossing roller 92, being provided via a glue application roller 102 embossing surveys on the embossing roller 92 in the region of the top surfaces with glue.
  • embossing bumps with identical heights are provided on the embossing rolls 92 and 96, and the rolls are synchronized in such a way that a "TIP-to-TIP" connection takes place.
  • each individual embossment elevation of the first embossing roll 92 is on its Head surface provided with glue and connects to a corresponding head surface of an embossment elevation of the second embossing roll 96.
  • the third material web 34 is the gap 38 as described above. Otherwise, the feeding of the single-ply material web 30 and 32 as shown schematically in Fig. 1, so that ultimately the four-ply product 80 is formed and led out in the machine direction 36, indicated by the arrow, from the device 10.
  • FIG. 8 shows a schematic representation of the conditions in the gap 38 between the first embossing roll and the second embossing roll 16 when using a device according to FIG. 7.
  • first and second size 23 and 27 a two-tone pattern.
  • Fig. 9 shows a fourth embodiment of the device 10 according to the invention in a schematic representation, wherein in the following now differences are explained with respect to the third embodiment of FIG. 7, wherein otherwise the same
  • the fourth embodiment of the device 10 according to FIG. 9 also has a pre-embossing unit 90 which is identical
  • Embossing roller 16 fed to the formation of ultimately a three-ply surface product 80, which is taken in the machine direction 36, indicated by the arrow, the device 10.
  • Fig. 10 shows the relationships in the gap 38 between the first embossing roller 1 2 and the second embossing roller 1 6 in a schematic representation, wherein the compound of first material web 30 with the second material web 32, the two-layer formed by "TIP-to-TIP" connected layers 104 and 106 is formed, is recognizable.
  • FIG. 11 shows a two-ply surface product 80, as can be produced, for example, with the device 10 shown schematically in FIG.
  • Surface product 80 has microembossing points 82 on which form a micro embossing pattern, wherein further macroprints in the form of design embossing areas 84.1, 84.2 and 84.3 are present.
  • the design embossing areas 84.1 form cloud-like
  • Macro embossing pattern the design embossing areas 84.2 a sheepskin-like
  • Macro embossing patterns and the design embossing areas 84.3 curved line-shaped elements as further macro embossing patterns. All design embossing areas 84.1, 84.2 and 84.3 have unembossed areas 86 around the macro embossing, which emboss the areas
  • FIG. 12 shows the situation along a section A-A through the two-layer surface product 80 according to FIG. 11.
  • the design macro embossing pattern 84.3 can be seen, which is generated by embossing surveys on embossing rollers with a broad, in particular 2.4 times as wide head surface compared to the embossing surveys 82, whereas micro-embossing dots 82 by embossing surveys on the embossing rollers with smaller, d. h less wide head surfaces are formed.
  • Macro embossing patterns 84.2 are produced by embossing elevations arranged correspondingly on the first and the second embossing rolls 12 and 16, for example of the device 10 according to FIG. 1, namely by the embossing embossing pairs 40/46 and 42/44.
  • the top surfaces of the micro-embossing dots 82 and the line-shaped macro embossing pattern 84.3 are joined together by first colored glue 23 and second colored glue 27.
  • the first colored glue 23 may be tinted in color and the second colored glue 27 may be green, so that a green dot microembossing pattern with microembossing dots 82 marks the face product 80 with a brown color highlight
  • embossing surveys 88.1 and 88.2 may be arranged, generated by corresponding embossing elevations on the first embossing roller 1 2 and the second embossing roller 16, for example, a device 10 according to FIG
  • these in particular due to the non-complementary formation of the same or lower heights compared to the micro-embossing projections 82 and the
  • Designmakro réellegeerhebitch 84.1, 84.2 and 84.3 have no connection by means of glue, and therefore no pattern in the surface product 80 of FIG. 1 1 can be seen in these areas.
  • the present invention thus an apparatus, a method and a
  • the softness can be positively influenced in particular in a more than two-layered design of the surface product.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)

Abstract

L'invention concerne un dispositif servant à fabriquer des produits plats, en particulier, des tissus et/ou des matériaux similaires aux tissus, lesquels permettent d'obtenir des motifs d'estampage présentant des contours visuellement satisfaisants. A cet effet, l'invention propose un dispositif comprenant un premier cylindre d'estampage, doté au moins d'une première partie surélevée d'estampage et d'une deuxième partie surélevée d'estampage. La première partie surélevée d'estampage présente une hauteur h1 et la deuxième partie surélevée d'estampage présente une hauteur h2, h1 et h2 étant différentes. Le dispositif proposé comprend par ailleurs un deuxième cylindre d'estampage doté au moins d'une troisième partie surélevée d'estampage et d'une quatrième partie surélevée d'estampage. La troisième partie surélevée d'estampage présente une hauteur h3 et la quatrième partie surélevée d'estampage présente une hauteur h4, h3 et h4 étant différentes. Le premier et le deuxième cylindre d'estampage sont associés l'un à l'autre de telle manière qu'au moins la première partie surélevée d'estampage est associée à la quatrième partie surélevée d'estampage et que la deuxième partie surélevée d'estampage est associée à la troisième partie surélevée d'estampage au moins dans des zones partielles desdits cylindres.
EP15730767.9A 2014-06-27 2015-06-19 Dispositif et procédé servant à fabriquer des produits plats Not-in-force EP3160727B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15730767T PL3160727T3 (pl) 2014-06-27 2015-06-19 Urządzenie i sposób wytwarzania produktów powierzchniowych

Applications Claiming Priority (2)

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DE102014009320.4A DE102014009320A1 (de) 2014-06-27 2014-06-27 Vorrichtung zur Herstellung von Flächenprodukten
PCT/EP2015/063819 WO2015197489A1 (fr) 2014-06-27 2015-06-19 Dispositif et procédé servant à fabriquer des produits plats

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EP3160727A1 true EP3160727A1 (fr) 2017-05-03
EP3160727B1 EP3160727B1 (fr) 2019-04-17

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DE (1) DE102014009320A1 (fr)
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DE102014013414A1 (de) * 2014-09-16 2016-03-17 Metsä Tissue Oyj Verfahren zur Herstellung von mindestens dreilagigen Flächenprodukten
CN108515737A (zh) * 2018-04-25 2018-09-11 王慧明 瓦楞纸生产机构、四层瓦楞纸板生产线及其生产工艺
PL3898217T3 (pl) * 2018-12-20 2024-04-02 Essity Hygiene And Health Aktiebolag Produkt bibułowy
CN110202842B (zh) * 2019-06-28 2024-07-05 佛山市南海区德昌誉机械制造有限公司 一种生活用纸的二次上胶复合压花机构

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FR2775698B1 (fr) 1998-03-06 2000-04-21 Fort James France Nouveau produit en papier absorbant comprenant trois plis et son procede de fabrication
DE202004011289U1 (de) 2004-07-19 2004-11-04 Sca Hygiene Products Gmbh Mehrlagiges Flächenprodukt
ITFI20060243A1 (it) * 2006-10-04 2008-04-05 Perini Fabio Spa Goffratore laminatore, metodo di goffratura di un materiale nastriforme e materiale goffrato
ITFI20060245A1 (it) * 2006-10-11 2008-04-12 Delicarta Spa Un materiale in carta con elevate caratteristiche detergenti e metodo per la sua produzione
WO2008069085A1 (fr) * 2006-11-29 2008-06-12 Daio Paper Corporation Papier absorbant et procédé de gaufrage associé
ITFI20080047A1 (it) * 2008-03-11 2009-09-12 Perini Fabio Spa "materiale cartaceo multivelo goffrato e gruppo goffratore per la sua produzione"
US20150354142A1 (en) * 2014-06-09 2015-12-10 Gambini International S.A. Multilayer sheet

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WO2015197489A1 (fr) 2015-12-30
EP3160727B1 (fr) 2019-04-17
DE102014009320A1 (de) 2015-12-31
PL3160727T3 (pl) 2019-11-29

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