WO2007004242A2 - Produit de papier multi-utilisation et dispositif de production - Google Patents

Produit de papier multi-utilisation et dispositif de production Download PDF

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Publication number
WO2007004242A2
WO2007004242A2 PCT/IT2006/000479 IT2006000479W WO2007004242A2 WO 2007004242 A2 WO2007004242 A2 WO 2007004242A2 IT 2006000479 W IT2006000479 W IT 2006000479W WO 2007004242 A2 WO2007004242 A2 WO 2007004242A2
Authority
WO
WIPO (PCT)
Prior art keywords
product
line
transverse
web material
lines
Prior art date
Application number
PCT/IT2006/000479
Other languages
English (en)
Other versions
WO2007004242A3 (fr
Inventor
Giovanni Nencioni
Mauro Gelli
Original Assignee
Fabio Perini S.P.A.
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 Fabio Perini S.P.A. filed Critical Fabio Perini S.P.A.
Publication of WO2007004242A2 publication Critical patent/WO2007004242A2/fr
Publication of WO2007004242A3 publication Critical patent/WO2007004242A3/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/28—Wound package of webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/10—Mechanisms in which power is applied to web-roll spindle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/02—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with longitudinal slitters or perforators
    • 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
    • B31F2201/0733—Pattern
    • 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
    • B31F2201/0784—Auxiliary operations
    • B31F2201/0794—Cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/1924—Napkins or tissues, e.g. dressings, toweling, serviettes, kitchen paper and compresses

Definitions

  • a multi-use paper product and device for the production thereof A multi-use paper product and device for the production thereof
  • the present invention relates to improvements to paper products, in particular tissue paper, especially to products composed of a continuous web material wound in rolls.
  • the invention also relates to a device for the production of this type of article.
  • Tissue or crepe paper is utilized with increasing frequency to produce a plurality of different articles for domestic and family use.
  • An object of the present invention is to produce a paper product or article, in particular tissue paper, which can be used for a plurality of purposes especially in the domestic and family sphere.
  • the invention provides for a continuous paper web product wound in a roll, with two longitudinal edges and a plurality of transverse perforation lines, which divide the web material into detachable sheets, characterized by having at least one intermediate longitudinal line to facilitate folding or weakening line, between said two longitudinal edges.
  • Longitudinal line is intended in general as a line, which has an orientation at least in part in the direction of length of the web material wound in the roll. Therefore, the line to facilitate folding or weakening line can be a longitudinal line parallel or substantially parallel to the longitudinal edges of the wound web material, or a longitudinal line extending diagonally, i.e. approximately coincident with one of the diagonals of the detachable sheet that normally has a quadrangular extension (typically square or rectangular).
  • Lines to facilitate folding or weakening lines are intended in general as a preferential folding line, such as a score line, a mechanical ply-bonding line or a perforation line.
  • a perforation line when the line in question is a perforation line, it also produces a weakening of the fibrous structure of the web material, along which the fold can be made due to folding being facilitated by the perforation line, or along which the material can also be torn off, due to the weakening effect of the perforations.
  • the napkin can also be obtained with two adjacent portions, defined between two consecutive perforation lines, and folded in half along the longitudinal weakening line or line to facilitate folding.
  • the product has a surface design, obtained by printing, by embossing, with a combination of printing and embossing or in any other suitable way.
  • the consecutive perforation lines define, with said intermediate longitudinal line, areas with designs preferably separated from one another. This allows the napkin composed of several portions of sheet material, to be folded according in various ways, leaving one or other of the various designs provided on the product in view. It would also be possible for the two sides of the napkin to be decorated with different designs, to double the choices of the final user.
  • the intermediate longitudinal weakening line or line to facilitate folding can be a line of longitudinal perforation, or a score or mechanical ply-bonding line, or in any case a line to weaken the paper fibers, obtained by action on said paper fibers of which the product is composed, the result of which is to produce an area in which folding of the article is facilitated.
  • the line can in any case extend in a strictly longitudinal direction, i.e. substantially parallel to the edges of the wound material, or can have an inclined orientation, i.e. approximately parallel to a diagonal of the detachable sheet.
  • the product can be divided into a plurality of sheets by transverse perforation lines.
  • the napkin is obtained by detaching four portions of paper material from the roll, included between a first and a third transverse perforation line. The four portions are then folded in four into a napkin along the intermediate perforation line between the two lines along which the material was torn off and along the intermediate longitudinal line.
  • the napkin can be folded in two halves only and is obtained by detaching from the roll two portions of paper material delimited by a first and a second transverse perforation line. The two portions are then folded in half along only the intermediate longitudinal line.
  • a transverse score line is positioned between two consecutive transverse perforation lines.
  • a portion delimited between two transverse perforation lines, and containing an intermediate transverse score line besides the longitudinal line to facilitate folding is detached from the roll.
  • the napkin is obtained by tearing the paper along half of a transverse perforation line and along the longitudinal perforation line and folding the torn off paper obtained in two along the transverse score line.
  • a further perforation line with greater tensile strength can be produced, which in this case forms a transverse line to facilitate folding.
  • the individual roll can have more than one _ _ longitudinal score line; in the case of two lines, these can be parallel to each other and to the edges of the paper material and be used to longitudinally fold the portion torn from the roll, to form a napkin folded in three or (particularly if there is also a transverse score line, a weakening line or a line to facilitate folding defined in another way) six parts, possibly all of the same size.
  • the product is composed of a plurality of plies bonded together, e.g. two or more plies preferably glued to one another.
  • the plies are advantageously plies of tissue paper with a grammage suitable to obtain a product with an overall grammage ranging from 20 to 90 g/m 2 .
  • the invention relates to a rewinding machine for producing rolls of wound web material, comprising: a winding unit; a feed path of the web material towards said winding unit; along said feed path a perforator unit to produce transverse perforation lines on the web material.
  • the rewinding machine is characterized in that positioned along said feed path is a device to produce, on the web material, at least one longitudinal weakening line or line to facilitate folding.
  • the rewinding machine can comprise, upstream of the winding unit, an embossing unit, in which at least one embossing roller can have protrusions that produce the weakening line or line to facilitate folding.
  • Figure 1 shows a perspective view of a product in a roll according to the invention in a first embodiment
  • Figures 2A-2D show a second embodiment of the product according to the invention and a schematic representation of its use
  • Figure 3 shows a schematic side view of a device for producing the product according to the invention
  • Figure 4 shows a varied embodiment
  • Figure 5 shows a varied embodiment of a product in a roll according to _ g _
  • Figure 6 shows a manner of using the product in Figure 5;
  • Figures 7 and 8 show varied embodiments equivalent to Figures 1 and 5;
  • Figure 9 shows the flat development of a modified embodiment of a perforator roller for a perforator unit utilizable in a modified embodiment of the invention;
  • Figure 1OA shows a roll produced according to a different embodiment of the invention
  • Figure 1OB shows a sheet detached from the roll in Figure 10A and folded along the intermediate diagonal line to facilitate folding
  • Figure 11 shows the flat development of a portion of an embossing roller to produce a material of the type shown in Figures 10A; 10B;
  • Figure 12 shows a diagram of an embossing unit which can use the roller in Figure 11 and be positioned upstream of the winding unit;
  • Figure 13 shows a roll of web material according to yet another embodiment of the invention. Detailed description of preferred embodiments of the invention
  • Figure 1 schematically shows a first embodiment of a paper web product in a roll according to the invention.
  • Figure 1 shows an unwound portion of the wound roll, indicated generically with R.
  • the web material N which forms the roll R has two parallel longitudinal edges and a plurality of equidistant transverse perforation lines 3. These divide the web material N into single sheets F, which can be detached individually to be utilized.
  • the web material N In a median position between the two longitudinal edges 1, the web material N has an intermediate longitudinal weakening line, or line to facilitate folding, indicated with 5.
  • This line can be a mechanical ply-bonding line, a score line or a perforation line.
  • this line can be continuous or discontinuous, for example it can be omitted in the sections at the level of the transverse perforation lines 3.
  • each sheet delimited between two transverse perforation lines 3 is composed of two adjacent portions more or less identical to each other, separated by the intermediate longitudinal line.
  • the single adjacent portions, rectangular or square in shape, are indicated with 7. ⁇ 9
  • FIG. 1 As can be seen in Figure 1 , four adjacent portions 7, i.e. with a vertex in common, are characterized by variable designs.
  • the four designs represent objects relating to seaside vacations (beach umbrella, life buoy, scuba mask, glass, slice of watermelon, sailboat). These decorative designs are repeated with constant spacing along the length of the wound web material N forming the roll R. Several different designs can be made on this material, alternating in each of the bands into which the roll is divided by the line 5.
  • the designs are positioned so that, for example, the four lower portions which have a common vertex on the line 5 are characterized by designs all different from one another, while the four subsequent portions have two identical decorative designs (scuba masks) in the two portions positioned symmetrically with respect to the common point of the four vertices of the portions.
  • the decorative designs can be positioned so that each set of four portions having a common vertex is always characterized by four different designs.
  • the four designs contained in the four adjacent portions 7 differ from one another but all relate to the same subject, although this is not binding.
  • they can be composed of designs related to the four seasons, or can represent the colors or symbols of soccer teams, the flags of different countries, and so forth.
  • the subjects could all be the same as one another along the entire length of the roll, to differ from one another in groups of four adjacent subjects and for the groups to be arranged in a checkerboard motif (in this case the final user can decide whether to take four identical subjects from the roll or, simply by staggering the perforation line by one step, to take two pairs of different subjects), to differ in groups of two subjects adjacent in a radial or transverse direction, or in any other way.
  • the designs of the single portions 7 can be printed or embossed designs or can be obtained with combinations of printing and embossing.
  • the web material N is advantageously a multi-ply material, and according to an advantageous embodiment the various plies of which it is composed (typically two or more) are joined by embossing and gluing.
  • the product thus produced can be utilized by inserting the roll R in a _ _
  • the user When the product is used as kitchen towel, the user will tear off the required number of sheets F or portions 7 from the roll. If the intermediate longitudinal line 5 is a perforation line the user can take, time by time, a full sheet F composed of two adjacent portions 7, or a single portion by tearing it from the remaining material along a transverse perforation line 3 and along the intermediate longitudinal perforation line 5. If the roll R has the same axial length as common rolls of kitchen towel (approximately 240 mm) and the perforation lines are spaced approximately 120 mm apart, small square sheets can be torn off to be used, for example, as a coaster or on which to place biscuits, cakes or the like.
  • the product according to the invention can be utilized advantageously as a napkin folded in four.
  • the napkin folded in four obtained will be characterized by two sides with different designs. Depending on how the group or block of four portions 7 is folded, sides with different designs will be exposed on the outside.
  • the designs must be as centered as possible in relation to the side of the folded napkin in view, in order to conceal any misalignments, i.e. lack of centering between the edges of the folded napkin and the main design, geometric motifs composed, for example, of embossing protrusions 11, are produced along the edges 1 , the transverse folding lines 3 and the intermediate longitudinal line 5 to facilitate folding (whether it is a mechanical ply-bonding line, a score line or a perforation line).
  • Figure 2 shows a different product obtained with the same concept.
  • Figure 2A shows the roll with an end unwound and
  • Figures 2B, 2C, 2D show the folding sequence of a napkin composed of a section of web material N comprising four adjacent portions 7.
  • the same numbers indicate the same or corresponding parts to those in Figure 1.
  • the embossing protrusions along the lines 3 and 5 are omitted.
  • the decorative designs of the portions 7 are represented by designs with a seaside theme.
  • the designs shown can be composed of embossing protrusions which, as in the case in Figure 1 , also serve the purpose of joining together the two or more plies of which the product is composed, in virtue of the fact that a glue, preferably colored, is distributed on these protrusions, to be used as a medium to bond the plies according to techniques known to those skilled in the art.
  • the designs can be composed of printed designs and bonding of the plies can be obtained by applying glue
  • transverse lines 3 are composed of perforation and tearing lines alternated with score lines with 1 :1 alternation. This can, for example, be obtained by equipping the perforation unit with scoring blades alternated with perforation blades.
  • Figure 4 schematically shows a roll R in which score lines, indicated with 3C, are interposed between transverse perforation lines 3.
  • the perforation unit can comprise perforation blades of two different types, alternated with each other: a first type of blade produces perforation lines at the level of which the single sheet of web material is torn ⁇
  • Figure 5 shows a different embodiment of the roll in Figure 1.
  • the same numbers indicate the same or equivalent parts to those in Figure 1.
  • the product represented here corresponds to the one in Figure 1, with the exception that the geometric embossing motifs 11 are not provided along the intermediate longitudinal line 5 for weakening or to facilitate folding.
  • Figure 6 shows the same product in Figure 5 utilized as normal kitchen towel by detaching a single portion 7, in which the plies are perfectly glued on two sides, while in the rest of the sheet obtained, formed of the single portion 7, the plies are glued only in more widely scattered areas. Instead, in the case in Figure 1 , each portion is surrounded by areas of glue with high density, so that each portion 7, if separated from the adjacent portions, has a perfectly glued border.
  • Figures 7 and 8 show varied embodiments of the products in Figures 1 and 5 respectively.
  • the same numbers indicate the same or equivalent parts.
  • the single portions into which the paper web material is divided have designs distributed in such a way that the four _ portions with a common vertex always have four different designs.
  • FIG. 3 schematically shows a rewinding machine for producing a roll of web material according to the invention.
  • the rewinding machine has a winding unit 21 , composed in this example of a winding cradle formed by three winding rollers 23, 25 and 27. It would also be possible to use other winding systems, such as a central or spindle winding unit.
  • a perforator unit 29, comprising a beam 31 supporting fixed counter- blades utilizable alternatively, and a perforator roller 33 equipped with a plurality of perforation blades, are positioned upstream of the winding unit.
  • the roller 33 can have perforation blades only, or an alternate arrangement in which a scoring blade is inserted between each pair of perforation blades; said scoring blade cooperates with the counter-blade, to make a score on the web material rather than a perforation.
  • the scoring blade can be replaced by a toothed blade, which produces a more resistant perforation to those produced by the other perforation blades.
  • a device 35 to produce the intermediate longitudinal line or lines 5 to facilitate folding is positioned upstream of the perforator unit 29. These lines can be perforation, mechanical ply-bonding or also score lines. Depending on the type of machining performed on the web material, the device 35 will be equipped with different tools.
  • the device 35 has a counter-pressure roller 37 made of hardened steel or another hard material, cooperating with which are circular tools 39 that can be composed of toothed perforation wheels or mechanical ply-bonding wheels.
  • rewinding machines process webs of paper material of considerable width, even up to 5 meters to produce logs with a high axial length which are then cut transversely to obtain rolls R.
  • the device 35 will in general have a plurality of tools 39 axially aligned with one another to produce on the ply or web of paper an adequate number of intermediate perforation lines, mechanical ply-bonding lines or score lines, which will be centered on the center lines of the single rolls to be obtained by transversely cutting the log L formed in the winding unit.
  • Figure 9 shows the flat development of a perforation roller of a different conformation.
  • the perforator roller which can be utilized in place _
  • auxiliary blades LI 1 which can for example be composed of plastic blades or in any case of elements that produce a deformation such as a score, but not a cut or perforation, on the web material.
  • the auxiliary blades L1 have an inclination of approximately 45° with respect to the blades L and produce on the web material lines to facilitate folding or weakening lines which extend more or less in coincidence with one of the diagonals of each sheet defined, in the finished roll, by the longitudinal edges 1 and the transverse perforation lines.
  • Figure 10 schematically shows the finished product obtained after winding of the log and longitudinal cutting.
  • the same numbers indicate the same or equivalent parts to those in the example illustrated in Figure 4.
  • the longitudinal weakening line or line to facilitate folding is indicated with 5X. It is longitudinal in the sense that it extends with an angle differing by 90° with respect to the edges 1 of the web material N, that is to say, it has a component parallel to the longitudinal extension of the web material. However, it is not parallel to the edges 1 , but has a diagonal inclination. This line can be produced so that it does not reach the edges 1 , but extends to a lesser degree to avoid difficulties in phasing between perforation and score.
  • the line or lines to facilitate folding or weakening lines can be produced with an embossing roller of an embossing unit of the type illustrated schematically in Figure 12, and which can be positioned upstream of the winding unit of the rewinding machine.
  • the numeral 101 indicates the embossing roller, 103 a pressure roller coated in an elastically yielding material, forming a counter-pressure roller with which the embossing roller 101 cooperates.
  • V1 and V2 indicate two plies fed to the embossing unit
  • 105 indicates a glue dispenser
  • 107 a second counter- pressure roller and 109 a guide roller of the web material N obtained by joining the plies V1 and V2 by embossing and gluing.
  • Figure 12 shows a plan development of a portion of the cylindrical surface of the embossing roller 101. This has embossing protrusions 111 that impress on the ply V1 a permanent deformation composed of corresponding ⁇ _
  • the roller 101 also has linear protrusions 113, which produce the lines to facilitate folding or the weakening lines.
  • these are protrusions inclined by approximately 45° with respect to the axis A-A of the embossing roller, as they produce diagonal lines 5X ( Figures 10, 10A).
  • Figures 10, 10A It would also be possible to produce on the embossing roller 101 annular protrusions to produce lines to facilitate folding or weakening line that are substantially parallel to the edges 1 of the final web material N wound on the roll R.
  • Figure 13 shows a varied embodiment of the product in Figures 10A,
  • embossings G are also provided along the edges 1 and along the perforation lines 3 delimiting the sheet F. These embossings G can be deeper, that is to say, they can have heights greater than those defining the designs D. In this way the glue applied by the glue dispenser 105 of the embossing unit is only applied to the embossings G, leaving the central area of the single sheet F softer.
  • the line 5X is produced by a linear protrusion of the embossing roller, as in the case of Figure 11 , it can have a height equivalent to that of the embossings G, so that the glue is also applied, although in very small quantities, in the central area of each sheet F, which (in combination with the glue on the perimeter embossings G of each sheet) guarantees sufficiently stable bonding by gluing of the two or more plies (i.e. V1 , V2) forming the web material N.
  • the absence of glue on the designs D inside the sheet F makes it possible to obtain the further advantage of improving differentiation between the two sides of the web material, in the case in which it is provided with different motifs or embossed designs on said opposite sides.
  • the web material N is equipped with inclined longitudinal lines to facilitate folding or weakening lines
  • these can also be positioned alternately, i.e. be inclined by +45° in one sheet and by -45° in the subsequent sheet.
  • two lines to facilitate folding or weakening lines can be provided on the same sheet F along the two diagonals of said sheet F.

Landscapes

  • Sanitary Thin Papers (AREA)
  • Making Paper Articles (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Replacement Of Web Rolls (AREA)

Abstract

Matériau en bande continu enroulé autour d'un cylindre (R), avec deux bordures longitudinales (1) et plusieurs lignes de perforation transversales (3) divisant le matériau en feuilles détachables (F). Le produit comporte aussi au moins une ligne longitudinale intermédiaire (5) facilitant le pliage ou une ligne de faiblesse entre les deux bordures longitudinales.
PCT/IT2006/000479 2005-07-06 2006-06-22 Produit de papier multi-utilisation et dispositif de production WO2007004242A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITFI2005A000148 2005-07-06
ITFI20050148 ITFI20050148A1 (it) 2005-07-06 2005-07-06 Un prodotto cartaceo multi-uso e dispositivo per la sua produzione

Publications (2)

Publication Number Publication Date
WO2007004242A2 true WO2007004242A2 (fr) 2007-01-11
WO2007004242A3 WO2007004242A3 (fr) 2007-06-07

Family

ID=37604892

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IT2006/000479 WO2007004242A2 (fr) 2005-07-06 2006-06-22 Produit de papier multi-utilisation et dispositif de production

Country Status (2)

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IT (1) ITFI20050148A1 (fr)
WO (1) WO2007004242A2 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1967726A (en) * 1931-04-20 1934-07-24 Northern Paper Mills Apparatus for the treatment of toilet paper
US3470052A (en) * 1966-03-28 1969-09-30 Scott Paper Co Method and apparatus for winding a multiple ply web
US3892901A (en) * 1972-08-07 1975-07-01 Monarch Marking Systems Inc Composite label web
WO1992003264A1 (fr) * 1990-08-14 1992-03-05 Forbo-Cp Limited Procede destine a fabriquer des materiaux en feuilles autocollantes
WO1996009148A1 (fr) * 1994-09-21 1996-03-28 D.W. Wallcoverings, Inc. Procede et appareil permettant de couper du papier de revetement mural

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1967726A (en) * 1931-04-20 1934-07-24 Northern Paper Mills Apparatus for the treatment of toilet paper
US3470052A (en) * 1966-03-28 1969-09-30 Scott Paper Co Method and apparatus for winding a multiple ply web
US3892901A (en) * 1972-08-07 1975-07-01 Monarch Marking Systems Inc Composite label web
WO1992003264A1 (fr) * 1990-08-14 1992-03-05 Forbo-Cp Limited Procede destine a fabriquer des materiaux en feuilles autocollantes
WO1996009148A1 (fr) * 1994-09-21 1996-03-28 D.W. Wallcoverings, Inc. Procede et appareil permettant de couper du papier de revetement mural

Also Published As

Publication number Publication date
ITFI20050148A1 (it) 2007-01-07
WO2007004242A3 (fr) 2007-06-07

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