EP0564319B1 - Nouveaux papiers gaufrés multicouches, dispositif et procédé pour leur élaboration - Google Patents

Nouveaux papiers gaufrés multicouches, dispositif et procédé pour leur élaboration Download PDF

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Publication number
EP0564319B1
EP0564319B1 EP93400721A EP93400721A EP0564319B1 EP 0564319 B1 EP0564319 B1 EP 0564319B1 EP 93400721 A EP93400721 A EP 93400721A EP 93400721 A EP93400721 A EP 93400721A EP 0564319 B1 EP0564319 B1 EP 0564319B1
Authority
EP
European Patent Office
Prior art keywords
protuberances
sheet
ply
embossed
complex
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.)
Expired - Lifetime
Application number
EP93400721A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0564319A1 (fr
Inventor
Rémy Ruppel
Pierre Laurent
Joel Hungler
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.)
Kaysersberg SA
Original Assignee
Kaysersberg SA
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 Kaysersberg SA filed Critical Kaysersberg SA
Publication of EP0564319A1 publication Critical patent/EP0564319A1/fr
Application granted granted Critical
Publication of EP0564319B1 publication Critical patent/EP0564319B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/16—Paper towels; Toilet paper; Holders therefor
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • D21H27/40—Multi-ply at least one of the sheets being non-planar, e.g. crêped
    • 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
    • B31F2201/0758—Characteristics of the embossed product
    • B31F2201/0761—Multi-layered
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1007—Running or continuous length work
    • Y10T156/1023—Surface deformation only [e.g., embossing]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • Y10T428/24446—Wrinkled, creased, crinkled or creped
    • Y10T428/24455—Paper
    • Y10T428/24463—Plural paper components
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24562—Interlaminar spaces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24612—Composite web or sheet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24628—Nonplanar uniform thickness material
    • Y10T428/24661—Forming, or cooperating to form cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31971—Of carbohydrate
    • Y10T428/31975—Of cellulosic next to another carbohydrate
    • Y10T428/31978—Cellulosic next to another cellulosic
    • Y10T428/31982—Wood or paper

Definitions

  • the present invention relates to new multilayer papers, a device and a method for manufacturing them.
  • the invention relates more particularly to papers usable in the household and domestic field, in particular embossed papers based on crepe paper of the cellulose wadding type.
  • papers are particularly sought after having good absorption qualities associated with great softness and good mechanical resistance properties.
  • a first type consists in making two identical embossings on two separate plies of paper so as to produce protuberances on the sheets, to form a laminate from these two sheets, the protuberances of the two sheets being directed towards the internal part of the laminate and glued together by their ends.
  • This system achieves what will be called a "tip-tip" assembly.
  • Such a process, as well as the laminates obtained, is described in patent US-A-3,414,459.
  • Such a system essentially makes it possible to make two-layer papers with the structure shown in FIG. 6 of patent US-A-3 414 459.
  • Another variant described in this patent consists, as appears in FIG. 7, of inserting before gluing the tips an unembossed sheet between the two embossed sheets.
  • Another method described in particular in US Pat. No. 3,867,225 consists in also producing a laminate between two embossed sheets also placed so that the protuberances are directed towards the interior of the laminate, by gluing the ends of the protrusions one of the two sheets and making the bonding in a position such that the protrusions of one of the sheets come to fit between two protrusions of the other sheet.
  • US Pat. No. 4,320,162 has proposed a method for producing sheets of multilayer paper having two series of embossings of different depths and in which the bonding between the two sheets is carried out only between the most embossing deep.
  • the goal sought with the product obtained is an improvement in softness, water retention, bulk and aesthetics.
  • GB-A-1382714 describes a multilayer sheet consisting of two sheets, the embossed areas are arranged so that they intersect with each other thus limiting the surface of the bonded areas.
  • Patent EP-B-265298 describes a multi-layer sheet composed of at least two embossed sheets, the protuberances of which are arranged in lines or combinations of lines to produce wide patterns.
  • the present invention proposes a new structure of embossed paper making it possible to produce multilayer complexes combining qualities hitherto never combined. It also proposes a method and a device for producing these multilayer complexes.
  • the present invention provides a new multilayer sheet structure of embossed paper comprising a first sheet and a second sheet having protrusions of different depths produced during their embossing, characterized in that the first sheet comprises deeper protrusions known as large protrusions alternating with shallower protrusions called small protrusions and the second sheet includes protrusions, and in that the ends of the small protrusions of the first sheet and the protrusions of the second sheet are glued in point-to-point position and the ends of the large protrusions of the first sheet come to fit between two protrusions of the second sheet.
  • the sum of the heights of the small protrusions of the first sheet and the protrusions of the second sheet is at least equal to the height of the large protrusions of the first sheet. According to a particular embodiment, said sum is equal to the height of the large protuberances.
  • the small protrusions of the first sheet have the same height as the protrusions of the second sheet.
  • the invention relates to complexes further comprising a third sheet having protuberances whose pitch corresponds to that of the large protuberances of the first sheet and which are bonded in point-to-point position relative to the large protuberances of the first leaf.
  • the invention also relates to complexes formed from four sheets in which the first two have the configuration described above and further comprising a third sheet having an embossing identical to that of the second sheet and a fourth sheet comprising an embossing identical to that of the first sheet with protuberances and large protuberances, the small protuberances of the fourth sheet being located in point-to-point position relative to the protuberances of the third sheet and the large protuberances of the fourth sheet coming to fit between the protuberances the third sheet, the bonding between the sheets being provided at least at the level of the large protuberances of the first and fourth sheets.
  • the invention relates to a device making it possible to produce the various multilayer complexes of the present invention or the implementation of the method of the invention.
  • FIG. 1 represents a laminate obtained in a conventional process of the prior art of embossing and gluing in point-to-point position where two sheets a, b were embossed simultaneously and glued in point-to-point position with a third sheet c embossed according to the same pattern.
  • bonding is carried out at the points e, all located at the same level.
  • FIG. 2 represents a laminate composed of three embossed sheets and glued in the "nested" position according to the prior art.
  • two sheets a ', b' have been embossed simultaneously, the ends e ′ of the protuberances of these two sheets are stuck in an interposed position between the protuberances produced in a third sheet c ′.
  • the association points between the three sheets are all at the same level.
  • FIG. 3 represents a complex according to the invention composed of three embossed sheets 1, 2 and 3: the first sheet 1 has protuberances of two different depths, protuberances 12 of shallow depth alternating regularly with deeper protuberances 11.
  • a third layer constitutes the complex in FIG. 3: this layer has an embossing with a pitch not identical to that of layer 1 with regard to the protuberances 11 and the ends of the protuberances 33 are glued at e2 to the layer 2 in the point-to-point position relative to the ends of the protrusions 11 of sheet 1.
  • the height of the protrusions 11 be at most equal to the sum of the heights of the protrusions 12 and 22.
  • the folds 1 and 3 will be made of a particularly soft material
  • the fold 2 which, for its part, is not in contact with the outside may consist of a sheet which is less soft to the touch, therefore more resistant without that it affects the touch of the whole.
  • the product in FIG. 3 has an exterior surface similar to that of a point-to-point product (with the embossing point situated inwards), therefore a good feeling of touching on the surface.
  • the invention also includes the embodiment where the third fold is omitted.
  • FIG. 4 schematically represents an embossing and bonding unit making it possible to produce the product of FIG. 3. It consists of three embossing groups (A1, C1), (A2, C2) and (A3, C3) each consisting of a cylinder of etched non-deformable material, for example of steel A1, A2, A3 and a cylinder of elastic material, for example of rubber C1, C2, C3 and two conventional gluing groups E1 and E2.
  • the engraving carried by the cylinder A1 has the particularity of being made up of alternating protrusions of different heights.
  • the cylinder A2 carries reliefs of the same pitch as the small protrusions of the cylinder A1 and the cylinder A3 reliefs of the same pitch as the large protrusions of the cylinder A1.
  • the device of FIG. 4 allows the production of a complex between a first fold of paper 1 and a second fold 2 and the production of a complex structure further comprising a third fold 3.
  • the device represented in FIG. 4 can be implemented by replacing one or more folds of paper with several superimposed layers of paper, which will lead to complexes similar to that of FIG. 3, but having four or more layers of paper.
  • FIG. 5 represents a complex composed of four sheets of embossed paper and glued together as in the case of FIG. 3 at two levels, e1 and e'2.
  • the layers 1 and 2 have a structure identical to that of the sheets 1 and 2 of FIG. 3.
  • the sheet 4 ' has an embossing with protrusions of different heights, identical to that of the layer 1.
  • the sheet 3' has an embossing with only one level of protuberances, identical to that of layer 2.
  • the protrusions 33 'of the layer 3' are located in the point-to-point position relative to the small protrusions 42 'of the layer 4' and the large protrusions 41 'of the layer 4' are located in the point-to-point position relative to the large protrusions 11 of layer 1.
  • the bonding is carried out at two levels in the complex: at the points of the protrusions 41 'and 11 and between the sheets 1 and 2 between the points of the protrusions 12 and 22.
  • FIG. 6 represents a device making it possible to produce a product consisting of 4 layers of embossed and glued paper as shown in FIG. 5.
  • This device consists of four embossing groups (A1, C1), (A2, C2), ( A'3, C'3) and (A'4, C'4) each consisting of a cylinder of non-deformable material, for example of engraved steel A1, A2, A'3, A'4 and a cylinder of elastic material, for example rubber, C1, C2, C'3, C'4.
  • the groups (A1, C1) and (A2, C2) are identical to those of FIG. 4.
  • the cylinder A'3 has protuberances of two different dimensions, similar to those of the cylinder A1.
  • the cylinder A'4 has protuberances similar to those of A2.
  • a second fold 2 is embossed between the two cylinders A2 and C2 and the protrusions formed on this fold then come into contact with a gluing device E1.
  • the small protrusions formed on the fold 1 are then glued in point-to-point position with the protrusions of the fold 2 by passing these two folds between the cylinders A1 and A2.
  • a third fold 3 ' is embossed by passage between the cylinders A'4 and C'4.
  • a fourth fold 4 ' is embossed by passage between the cylinder C'3 and the cylinder A'3.
  • the folds 3 'and 4' are then joined between the cylinders A'3 and A'4 to form a mattress in which the protuberances formed on the fold 3 'come in point-to-point position relative to the small protuberances formed on 4', while the large protrusions formed on 4 'are interposed between two protrusions of 3'.
  • the mattress thus formed is bonded between 3 'and 4' at the large protrusions of 4 '.
  • the two mattresses thus formed respectively between the folds 1 and 2 and 3 'and 4' are then glued together by passage between cylinders A1 and A3 to form a complex consisting of four embossed sheets having two levels of bonding.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Paper (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Laminated Bodies (AREA)
EP93400721A 1992-03-31 1993-03-22 Nouveaux papiers gaufrés multicouches, dispositif et procédé pour leur élaboration Expired - Lifetime EP0564319B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9203903A FR2689149B1 (fr) 1992-03-31 1992-03-31 Nouveaux papiers gaufres multicouches. dispositif et procede pour leur elaboration.
FR9203903 1992-03-31

Publications (2)

Publication Number Publication Date
EP0564319A1 EP0564319A1 (fr) 1993-10-06
EP0564319B1 true EP0564319B1 (fr) 1996-08-28

Family

ID=9428307

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93400721A Expired - Lifetime EP0564319B1 (fr) 1992-03-31 1993-03-22 Nouveaux papiers gaufrés multicouches, dispositif et procédé pour leur élaboration

Country Status (9)

Country Link
US (1) US5382464A (es)
EP (1) EP0564319B1 (es)
AT (1) ATE141976T1 (es)
DE (1) DE69304237T2 (es)
DK (1) DK0564319T3 (es)
ES (1) ES2093374T3 (es)
FI (1) FI98395C (es)
FR (1) FR2689149B1 (es)
GR (1) GR3021350T3 (es)

Cited By (1)

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EP2095935B2 (en) † 2008-02-27 2020-10-21 SOFIDEL S.p.A. Embossed paper multi-ply material

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Also Published As

Publication number Publication date
DK0564319T3 (da) 1996-09-16
FI98395B (fi) 1997-02-28
EP0564319A1 (fr) 1993-10-06
FR2689149A1 (fr) 1993-10-01
GR3021350T3 (en) 1997-01-31
FI931453A (fi) 1993-10-01
FR2689149B1 (fr) 1994-05-13
ES2093374T3 (es) 1996-12-16
US5382464A (en) 1995-01-17
FI98395C (fi) 1997-06-10
DE69304237T2 (de) 1997-01-16
ATE141976T1 (de) 1996-09-15
DE69304237D1 (de) 1996-10-02
FI931453A0 (fi) 1993-03-31

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