EP1324877B1 - Dispositif pour gaufrer et satiner un materiau plat - Google Patents

Dispositif pour gaufrer et satiner un materiau plat Download PDF

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Publication number
EP1324877B1
EP1324877B1 EP01969123A EP01969123A EP1324877B1 EP 1324877 B1 EP1324877 B1 EP 1324877B1 EP 01969123 A EP01969123 A EP 01969123A EP 01969123 A EP01969123 A EP 01969123A EP 1324877 B1 EP1324877 B1 EP 1324877B1
Authority
EP
European Patent Office
Prior art keywords
teeth
embossing
rolls
roll
embossed
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
EP01969123A
Other languages
German (de)
English (en)
Other versions
EP1324877A1 (fr
Inventor
Charles Boegli
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.)
Boegli Gravures SA
Original Assignee
Boegli Gravures 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
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Application filed by Boegli Gravures SA filed Critical Boegli Gravures SA
Publication of EP1324877A1 publication Critical patent/EP1324877A1/fr
Application granted granted Critical
Publication of EP1324877B1 publication Critical patent/EP1324877B1/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
    • 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
    • B31F2201/0707—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
    • B31F2201/0756—Characteristics of the incoming material, e.g. creped, embossed, corrugated
    • 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
    • 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
    • Y10T428/24736—Ornamental design or indicia

Definitions

  • the present invention relates to a device for glazing and simultaneous embossing of packaging films according to the preamble of claim 1 and to the packaging films produced according to the device according to claim 8.
  • a device for example from US-A-5 007 271 or EP-B-925 911 of the same Applicant.
  • the apparatus for calendering a film described therein comprises two embossing rolls arranged mutually movably such that when the teeth of the embossing rolls intermesh, a self-stabilizing effect occurs, whereby a high throughput speed on the one hand and a high precision on the other hand is achieved. This results especially in a uniform satin finish and with appropriate removal of teeth a very precise embossing of films, at these points the surface of the packaging film remains untreated.
  • EP-A2-0 194 042 an embossed article is disclosed, on the substrate of which first and second non-flexing relief elements are impressed defining first and second patterns and wherein the patterns uniformly reflect and change their view upon changing the viewing angle .
  • the description only mentions line patterns and no satin finish is provided.
  • a foil strip is made between two toothed tempering rollers made of hardened steel or a hard material, one of which is fixedly mounted and driven, while the other is freely rotatably mounted on an axle and by spring force, pneumatic or otherwise yielding with adjustable pressure against the driven roller can be pressed.
  • both satinizing rollers have a similar surface toothing, which is shown schematically in Figure 1 in development.
  • These are pyramidal teeth, which are arranged in the circumferential direction or in the direction of rotation indicated by the arrow and in the axial direction at right angles to it in rows.
  • the tooth tips are flattened, in practice, this reduction is at least 2%, preferably up to 25% of the theoretical geometric tooth height.
  • the edges of the pyramidal or truncated pyramidal teeth are expediently broken. Instead of pyramidal teeth and conical, or frusto-conical teeth can be used.
  • the rollers have a relative axial play of at least half a tooth pitch, preferably 0.75 times the tooth pitch, whereby they are mutually displaceable, so that they can move each other to a stable position.
  • rollers While both rollers have the same teeth in these prior art calendering rollers, it has been recognized that providing at least one roller with teeth of different design, in particular tooth height and tooth surface, allows embossing, for example as Shadow embossments can be defined by seeing the embossed in the satin background, depending on the viewer's perspective and / or direction and type of illumination source with varying intensity and to form a shadow-like appearance.
  • embossing for example as Shadow embossments can be defined by seeing the embossed in the satin background, depending on the viewer's perspective and / or direction and type of illumination source with varying intensity and to form a shadow-like appearance.
  • two teeth T1 which are shaped like the teeth according to Figures 1-3, which all have the same geometric dimensions and produce a normal satin finish and in Figure 4 left, the teeth T2, for example, a have lower tooth height, but could also have other tooth flanks or a different surface.
  • the teeth are completely removed at the location where the characters are to appear on the film.
  • the teeth T2 having a different height, shape or surface than the teeth T1 may somehow be arranged, but it will be advantageous to choose the teeth T2 in a particular arrangement to produce patterns, letters or other signs.
  • Figure 4 is a simple arrangement represented, for example, the letter L results.
  • the arrangement of the teeth T2 in such a configuration this letter is generated such that depending on the viewing angle, a high to low contrast, or a large or small intensity is obtained, here assuming that the illumination source is constant and at the same Location is located. Otherwise, the location and / or wavelength of the illumination source can be varied and the observer can always look at the sign from the same angle, or both the viewing angle and the light source change. In principle, the result is always the same, the appearance of the character changes when one or both or all parameters change.
  • the respective observer is designated by an "O", wherein the arrow indicates the viewing angle and the observer looks at a satin-finished foil with shadow-embossed L, namely from top right, top or left, positions 6A , B, C, the contrast according to 6D being high, 6E being low and 6F being medium. In this case, a constant lighting is required.
  • Figure 7 shows how it is possible to arrange groups of characters differently to combine different features or to produce particular codes. From Figure 7 it can be seen that at a given viewing angle and exposure LS from a particular location the letter "L" is weak depending on the situation, M up and right, very weak, N top right, middle strong, P down and left and whole strong, Q appears lower left. As explained with reference to FIG. 6, the appearance of a character changes as the viewing angle changes, but also as the change in the angle of view Lighting source in terms of location and exposure type, brightness and wavelength.
  • Such indicia may be applied to packages of tobacco, cigarettes, food, chocolate, medicines or the like.
  • packaging tapes or foils consist predominantly of aluminum or predominantly of paper that is easy to fold.
  • the material to be embossed has become developed further, that the media to be embossed, including metallized paper, while reducing the metallized layer thickness have a strong Fung such that the favorable folding behavior has deteriorated sustainable. This may be the case even if a plastic pad is used instead of paper.
  • a distinction is made between a multilayer film with a base made of paper and a layer of metal and a film with a vapor-deposited, thin metallization layer.
  • This arrangement may be modified such that the stamping does not imprint the same pattern, but the above-mentioned imprinting with optical effects is obtained by having teeth with other geometrical dimensions and / or other surface design thereon or on one or more of the at least three Embossing rollers are arranged.
  • the embossing rollers can be synchronized with each other via synchronization means and also the present invention is not limited to embossing rollers, of which is mounted such that they in the longitudinal direction of the axis and / or in the pressing direction and / or in the direction of movement of the material to be embossed is deflected to allow self-synchronization.
  • one tooth of a roller does not necessarily intervene between four adjacent teeth of the other roller, as in Figure 3, where the case of the so-called pinup-pinup configuration is shown, in which the teeth of all rollers facing outward.
  • embossings it may be expedient to forcibly synchronize embossing rolls with one another, wherein it is then also possible to use a so-called pinup-pindown configuration in which the teeth of a roll point outwards and the teeth of a cooperating roll point inward.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Laminated Bodies (AREA)

Claims (8)

  1. Dispositif pour le satinage et le gaufrage simultanés de feuilles d'emballage à surface métallisée ou constituées de métal, comprenant au moins deux rouleaux de gaufrage reliés à un entraînement et pouvant être entraînés individuellement ou en commun, les rouleaux pouvant être pressés l'un contre l'autre de manière élastique et les dents pyramidales ou coniques des rouleaux présentant une pointe aplatie, caractérisé en ce que des dents (T2) pyramidales ou coniques d'un rouleau au moins présentent une forme géométrique et/ou surface différente de celle des dents (T1) pourvues pour le satinage afin de produire pendant le passage de la feuille d'emballage à ces endroits des signes (L) gaufrés qui modifient la surface métallisée de la feuille d'emballage et dont l'aspect change selon l'angle de vue de l'observateur (O) et/ou le genre et/ou la position de la source de lumière (LS).
  2. Dispositif selon la revendication 1, caractérisé en ce que les dents différentes (T2) présentent une hauteur inférieure à celle des autres dents (T1).
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que les dents différentes (T2) présentent une autre forme des flancs ou des arêtes que les autres dents (T1).
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que la surface de la face aplatie des dents différentes (T2) est structurée.
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce qu'il comprend deux rouleaux de gaufrage et que le deuxième rouleau de gaufrage est suivi d'au moins un rouleau de gaufrage supplémentaire qui coopère avec le premier rouleau de gaufrage ou le rouleau précédent afin d'obtenir dans un gaufrage subséquent les signes d'aspect variable, les dents différentes (T2) étant pourvues sur un ou sur plusieurs desdits rouleaux.
  6. Dispositif selon l'une des revendications 1 à 5, caractérisé en ce que les rouleaux de gaufrage sont réciproquement synchronisés par des moyens de synchronisation.
  7. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que l'un au moins des rouleaux de gaufrage non entraînés est supporté de manière à être capable d'une excursion dans la direction longitudinale de l'axe et/ou dans la direction de la pression de contact et/ou dans la direction de passage du matériau à gaufrer.
  8. Feuille d'emballage produite à l'aide d'un dispositif selon l'une des revendications 1 à 7, qui présente un satinage et sur cet arrière-fond satiné au moins un signe (L) dont l'intensité varie selon l'angle d'observation (O) et/ou le genre et/ou la position de la source de lumière (LS), caractérisé en ce qu'elle comprend au moins un groupe de signes (L) présentant le même aspect individuellement, par paires ou par groupes.
EP01969123A 2000-10-13 2001-10-03 Dispositif pour gaufrer et satiner un materiau plat Expired - Lifetime EP1324877B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH201200 2000-10-13
CH20122000 2000-10-13
PCT/CH2001/000594 WO2002030661A1 (fr) 2000-10-13 2001-10-03 Dispositif pour gaufrer et/ou glacer un materiau plat

Publications (2)

Publication Number Publication Date
EP1324877A1 EP1324877A1 (fr) 2003-07-09
EP1324877B1 true EP1324877B1 (fr) 2006-06-21

Family

ID=4567126

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01969123A Expired - Lifetime EP1324877B1 (fr) 2000-10-13 2001-10-03 Dispositif pour gaufrer et satiner un materiau plat

Country Status (14)

Country Link
US (1) US7036347B2 (fr)
EP (1) EP1324877B1 (fr)
JP (1) JP3944078B2 (fr)
CN (1) CN1212923C (fr)
AT (1) ATE330785T1 (fr)
AU (2) AU2001289469B2 (fr)
BR (1) BR0114606B1 (fr)
CA (1) CA2425536C (fr)
DE (1) DE50110279D1 (fr)
ES (1) ES2266253T3 (fr)
PT (1) PT1324877E (fr)
RU (1) RU2375191C2 (fr)
WO (1) WO2002030661A1 (fr)
ZA (1) ZA200302203B (fr)

Cited By (2)

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Publication number Priority date Publication date Assignee Title
EP3415306A1 (fr) 2017-06-14 2018-12-19 Boegli-Gravures S.A. Procédé et structure de gaufrage par pression à haute densité pour créer des zones hautement réfléchissante incurvées ou ombrées sur des feuilles gaufrées en rotation
WO2020002970A1 (fr) 2018-06-26 2020-01-02 Boegli-Gravures Sa Procédé et dispositif de gaufrage de structures en relief

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EP1437213A1 (fr) 2002-12-23 2004-07-14 Boegli-Gravures S.A. Dispositif pour satiner et pour gauffrer un matériau plat
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EP1609588B1 (fr) * 2004-06-22 2010-06-02 Boegli-Gravures S.A. Dispositif et procédé pour satiner et pour gauffrer des matériaux plats
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CN102154951B (zh) * 2011-01-31 2012-10-03 金红叶纸业集团有限公司 一种压花生活用纸及对该生活用纸压花的压花辊
CN102293605A (zh) * 2011-07-27 2011-12-28 金红叶纸业集团有限公司 一种双高压花生活用纸及对该生活用纸压花的压花辊
EP2572820A1 (fr) 2011-09-23 2013-03-27 Boegli-Gravures S.A. Procédé et dispositif de production d'une surface structurée sur un rouleau de gaufrage en acier
EP2689883A1 (fr) 2012-07-24 2014-01-29 Boegli-Gravures S.A. Method and device for creating a structured surface on a steel embossing roller
CN103889642B (zh) 2011-09-23 2016-04-13 伯格利-格拉维瑞斯股份有限公司 在压花钢辊上产生具有结构的表面的方法和设备
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EP2705948A1 (fr) 2012-09-07 2014-03-12 Boegli-Gravures S.A. Procédé de fabrication d'un ensemble de rouleau de gaufrage
EP2653301A1 (fr) 2012-04-17 2013-10-23 Boegli-Gravures S.A. Procédé de fabrication d'un ensemble de rouleau de gaufrage
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CN102727122B (zh) * 2012-06-29 2015-11-25 金红叶纸业集团有限公司 生活用纸
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EP3010464B1 (fr) 2013-06-19 2017-07-26 The Procter and Gamble Company Appareil et méthode de liaison
WO2014204736A1 (fr) 2013-06-19 2014-12-24 The Procter & Gamble Company Appareil et procédé d'assemblage
EP2842730A1 (fr) 2013-08-28 2015-03-04 Boegli-Gravures S.A. Dispositif pour le gaufrage de matériau d'emballage à l'aide d'un jeu de rouleaux de gaufrage du type mâle-femelle
EP2944413A1 (fr) 2014-05-12 2015-11-18 Boegli-Gravures S.A. Dispositif de projection de masque de rayons laser femtosecondes et picosecondes avec une lâme, un masque et des systèmes de lentilles
EP3037253A1 (fr) 2014-12-22 2016-06-29 Boegli-Gravures S.A. Micro-gaufrage
KR102446298B1 (ko) 2015-04-27 2022-09-22 보에글리-그라부레스 에스.에이. 엠보싱 롤러 세트를 제조하기 위한 방법
EP3184292A1 (fr) 2015-12-22 2017-06-28 Boegli-Gravures S.A. Dispositif de gaufrage de matériau d'emballage à l'aide d'un jeu de rouleaux de gaufrage du type male-femelle
EP3251825A1 (fr) 2016-05-31 2017-12-06 Boegli-Gravures S.A. Procédé et dispositif de gaufrage de matériau plan
EP3300612A1 (fr) 2016-10-03 2018-04-04 Boegli-Gravures S.A. Joint de papier sans discontinuité pour emballages papier en forme de tube fermés au moyen de papier gaufré et joint de revêtement intérieur refermable au moyen de revêtement structuré
EP3339012A1 (fr) 2016-12-20 2018-06-27 Boegli-Gravures S.A. Procédé et structure de gaufrage pour maximiser l'accumulation de pression au niveau du gaufrage tournant de feuilles
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EP3415306A1 (fr) 2017-06-14 2018-12-19 Boegli-Gravures S.A. Procédé et structure de gaufrage par pression à haute densité pour créer des zones hautement réfléchissante incurvées ou ombrées sur des feuilles gaufrées en rotation
US11298911B2 (en) 2017-06-14 2022-04-12 Boegli-Gravures Sa Method and embossing structure using high density pressure for creating shadowed or curved highly reflective areas on rotationally embossed foils
WO2020002970A1 (fr) 2018-06-26 2020-01-02 Boegli-Gravures Sa Procédé et dispositif de gaufrage de structures en relief
US11819894B2 (en) 2018-06-26 2023-11-21 Boegli-Gravures Sa Method and device for embossing relief structures

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JP3944078B2 (ja) 2007-07-11
PT1324877E (pt) 2006-11-30
ATE330785T1 (de) 2006-07-15
CN1469801A (zh) 2004-01-21
AU2001289469B9 (en) 2007-06-07
AU2001289469B2 (en) 2006-12-07
AU8946901A (en) 2002-04-22
BR0114606A (pt) 2003-12-23
CN1212923C (zh) 2005-08-03
BR0114606B1 (pt) 2010-10-19
ES2266253T3 (es) 2007-03-01
WO2002030661A1 (fr) 2002-04-18
CA2425536A1 (fr) 2003-04-11
EP1324877A1 (fr) 2003-07-09
DE50110279D1 (de) 2006-08-03
CA2425536C (fr) 2010-09-07
RU2375191C2 (ru) 2009-12-10
US7036347B2 (en) 2006-05-02
JP2004509794A (ja) 2004-04-02
ZA200302203B (en) 2004-07-21
US20040011107A1 (en) 2004-01-22

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