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ES2223070T3 - RELIEF STAMPING DEVICE, PARTICULARLY FOR ROLL SHAPED PAPER. - Google Patents

RELIEF STAMPING DEVICE, PARTICULARLY FOR ROLL SHAPED PAPER.

Info

Publication number
ES2223070T3
ES2223070T3 ES97110547T ES97110547T ES2223070T3 ES 2223070 T3 ES2223070 T3 ES 2223070T3 ES 97110547 T ES97110547 T ES 97110547T ES 97110547 T ES97110547 T ES 97110547T ES 2223070 T3 ES2223070 T3 ES 2223070T3
Authority
ES
Spain
Prior art keywords
embossing
paper
cylinder
unit
relief
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
ES97110547T
Other languages
Spanish (es)
Inventor
Sauro Tronchetti
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.)
Industrie Cartarie Tronchetti SpA
Original Assignee
Industrie Cartarie Tronchetti SpA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11373576&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2223070(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Industrie Cartarie Tronchetti SpA filed Critical Industrie Cartarie Tronchetti SpA
Application granted granted Critical
Publication of ES2223070T3 publication Critical patent/ES2223070T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B31F2201/0728—Material
    • 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
    • B31F2201/0771—Other aspects of the embossing operations
    • B31F2201/0774—Multiple successive embossing operations
    • 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
    • B31F2201/0771—Other aspects of the embossing operations
    • B31F2201/0776—Exchanging embossing tools

Landscapes

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

Abstract

An embossing apparatus, for paper in roll form, includes a device (3) for feeding paper in roll form (7, 9) into a first embossing unit (5) constituted by at least one embossing cylinder which provides a first embossing on the paper. A second embossing unit (10), downstream of the first unit, provides a second embossing on the paper. <IMAGE>

Description

Aparato de estampado en relieve, particularmente para el papel en forma de rollo.Embossing apparatus, particularly for roll paper.

La presente invención está relacionada con un aparato de estampado en relieve, en particular para papel en forma de rollo para productos del tipo de pañuelo de papel o klínex, tal como por ejemplo papel de cocina, papel de baño, etc.The present invention is related to a embossing apparatus, in particular for shaped paper of roll for products of the type of tissue or klínex, such such as kitchen paper, toilet paper, etc.

Las máquinas de estampado en relieve en papel, por ejemplo, para fabricar los rollos de papel de cocina compuestos por dos capas, incluyen generalmente un dispositivo de extracción, el cual es adecuado para alimentar dos capas de papel a una unidad de estampado en relieve, la cual puede estar provista con un sistema para pegar las dos capas.Embossing machines on paper, for example, to make composite kitchen paper rolls by two layers, usually include an extraction device, which is suitable for feeding two layers of paper to one unit embossed, which may be provided with a system to glue the two layers.

La unidad de estampado en relieve puede incluir dos cilindros de estampado en relieve, en la que cada uno tiene una serie de salientes dispuestos en filas paralelas y que cooperan con un cilindro de presionado respectivo para estampar cada hoja.Embossing unit may include two embossing cylinders, in which each has a series of projections arranged in parallel rows and cooperating with a respective pressing cylinder to stamp each sheet.

Uno de los dos cilindros de estampado en relieve puede estar revestido con cola con el fin de pegar las dos hojas.One of the two embossing cylinders can be lined with glue in order to glue the two leaves.

Los salientes de los cilindros de estampado en relieve están formados mediante formación de texturas, o mediante procesos químicos para la eliminación de material, de forma que las hojas tengan una serie uniforme de pequeños hoyos constituidos por líneas paralelas de puntos dirigidos hacia dentro, es decir, sobre los lados enfrentados a las hojas.The protrusions of the stamping cylinders in relief are formed by texture formation, or by chemical processes for material removal, so that leaves have a uniform series of small holes consisting of parallel lines of points directed inwards, that is, over the sides facing the leaves.

A la salida de la unidad de estampado en relieve, si no está previsto el encolado, existirá normalmente una unidad moleteada con protuberancias adecuadas para moletear el rodillo con el fin de unir las dos capas.At the exit of the embossing unit, if gluing is not provided, there will normally be a unit knurled with protuberances suitable for knurling the roller with in order to join the two layers.

Un problema existente en gran medida es la provisión de diseños complejos para el estampado en relieve. Las técnicas capaces de generar diseños complejos que se han propuesto hasta el momento presente no son extremadamente costosas pero son también apenas versátiles. De hecho es necesario reemplazar los cilindros de estampado en relieve con nuevos cilindros que incorporen el nuevo diseño incluso sólo para proporcionar variaciones mínimas en el diseño.A largely existing problem is the provision of complex designs for embossing. The techniques capable of generating complex designs that have been proposed so far they are not extremely expensive but they are also hardly versatile. In fact it is necessary to replace the embossing cylinders with new cylinders that incorporate the new design even just to provide minimal variations in the design.

Los documentos EP-0498623 y EP-0313766 exponen aparatos para fabricar películas de doble estampado, pero no solucionan los problemas antes descritos. El preámbulo de las reivindicaciones 1 y 2 está basado en este arte previo.EP-0498623 and EP-0313766 exhibit apparatus for making films double stamped, but do not solve the problems before described. The preamble of claims 1 and 2 is based In this previous art.

Un objeto de la presente invención es proporcionar una máquina de estampado en relieve que sea adecuada para proporcionar patrones ornamentales incluso complejos en el producto terminado.An object of the present invention is provide an embossing machine that is suitable to provide even complex ornamental patterns in the finished product.

Un objeto adicional de la invención es proporcionar una máquina que sea mucho más económica en su funcionamiento, desde el punto de vista de la fabricación, que los sistemas conocidos para la fabricación de diseños complejos.A further object of the invention is provide a machine that is much cheaper in your operation, from the point of view of manufacturing, that known systems for manufacturing complex designs.

Un objeto adicional es proporcionar una maquina que sea capaz de fabricar patrones o diseños ornamentales que sean más o menos complicados, de acuerdo con los requisitos y de una forma altamente versátil, es decir, con la posibilidad de poder variar el diseño de forma rápida y económica.An additional object is to provide a machine that is capable of making patterns or ornamental designs that are more or less complicated, according to the requirements and of a highly versatile way, that is, with the possibility of being able to vary the design quickly and economically.

Este objetivo, estos objetos y otros objetos llegarán a ser evidentes de ahora en adelante, y pudiendo conseguirse mediante un aparato de estampado en relieve de acuerdo con las reivindicaciones 1 ó 2.This objective, these objects and other objects they will become evident from now on, and being able to achieved by an embossing apparatus according with claims 1 or 2.

Las características y ventajas adicionales llegarán a ser evidentes a partir del aparato de estampado en relieve, mostrado sólo a modo de ejemplo no limitante en el dibujo adjunto, el cual es una vista esquemática en alzado lateral de la máquina de estampado en relieve de acuerdo con la invención.Additional features and advantages they will become apparent from the stamping apparatus in relief, shown only as a non-limiting example in the drawing attached, which is a schematic side elevation view of the embossing machine according to the invention.

Con referencia a la figura, un aparato de estampado en relieve, designado generalmente por el numeral de referencia 1, incluye un alimentador 3 adecuado para alimentar una primera unidad de estampado en relieve 5. El alimentador está constituido, en el ejemplo ilustrado, por un extractor de carrete, el cual es adecuado para alimentar la primera unidad de estampado en relieve con dos capas de papel 7 y 9. La primera unidad de estampado en relieve incluye un primer cilindro de estampado en relieve 11, con el correspondiente cilindro de caucho 13, y un segundo cilindro de estampado en relieve 15, con el correspondiente cilindro de caucho 17. Opcionalmente, existe un dispositivo de pegado 19 que es adecuado para dispersar cola sobre el cilindro 15 con el fin de pegar las dos capas 7 y 9.With reference to the figure, an apparatus of embossed, usually designated by the numeral of reference 1, includes a feeder 3 suitable for feeding a first embossing unit 5. The feeder is constituted, in the illustrated example, by a reel extractor, which is suitable for feeding the first stamping unit embossed with two layers of paper 7 and 9. The first unit of embossing includes a first stamping cylinder in relief 11, with the corresponding rubber cylinder 13, and a second embossing cylinder 15, with the corresponding rubber cylinder 17. Optionally, there is a device for glued 19 which is suitable for dispersing glue on cylinder 15 in order to glue the two layers 7 and 9.

La banda de papel estampado en relieve 21 sale de la primera unidad de estampado en relieve y, de acuerdo con la invención, se hace pasar a través de una segunda unidad de estampado en relieve 10, la cual está constituida al menos por un cilindro de estampado en relieve 31, el cual coopera con un cilindro presionador 23.Embossed paper band 21 comes out of the first embossing unit and, according to the invention, is passed through a second unit of embossed pattern 10, which is made up of at least one embossing cylinder 31, which cooperates with a pressing cylinder 23.

El cilindro 31 está hecho de acero y está grabado en su superficie, siendo adecuado para trabajar conjuntamente contra el cilindro 23, el cual está hecho de un acero liso.The cylinder 31 is made of steel and is engraved on its surface, being suitable to work together against the cylinder 23, which is made of a smooth steel.

Como alternativa, el cilindro de estampado en relieve 31 está hecho de un caucho muy duro, y trabaja conjuntamente contra el cilindro 23, el cual está hecho de acero liso.Alternatively, the stamping cylinder in Emboss 31 is made of a very hard rubber, and works together against cylinder 23, which is made of smooth steel.

Ventajosamente, el cilindro de estampado en relieve 31 está hecho de acero y tiene un revestimiento de níquel o de plástico reforzado con fibra, el cual es adecuado para soportar un cliché hecho de caucho muy duro, sobre el cual está formado el diseño mediante fotograbado, láser o bien otros métodos conocidos. El cilindro 31 trabaja conjuntamente contra el cilindro 23 hecho de acero.Advantageously, the stamping cylinder in Emboss 31 is made of steel and has a nickel plating or made of fiber reinforced plastic, which is suitable for supporting a cliché made of very hard rubber, on which the design by photogravure, laser or other known methods. Cylinder 31 works together against cylinder 23 made of steel.

Este sistema tiene algunas ventajas importantes: de hecho es posible cambiar el diseño sobre el papel en un tiempo muy corto, porque la camisa del revestimiento puede ser extraída de una forma voladiza, sin desmontar los cilindros. Mediante los métodos por fotograbado o por láser, es posible también proporcionar diseños con una alta definición de forma mucho más sencilla y económica que con la provisión de diseños mediante la mecanización convencional.This system has some important advantages: in fact it is possible to change the design on paper in a while very short, because the lining jacket can be removed from a cantilever shape, without disassembling the cylinders. Through the Photogravure or laser methods, it is also possible to provide high definition designs much more easily and economic than with the provision of designs through mechanization conventional.

La cinta 21 está así sometida a un segundo estampado en relieve, el cual está superpuesto sobre el primer estampado en relieve proporcionado por la primera unidad de estampado en relieve. La banda 25, que incluye el segundo estampado en relieve y por tanto el diseño final, sale de la segunda unidad de estampado en relieve, y es alimentada a una máquina de extracción 27 de una forma ya conocida.The tape 21 is thus subjected to a second embossed pattern, which is superimposed on the first embossing provided by the first unit of embossing Band 25, which includes the second print  in relief and therefore the final design, leaves the second unit embossing, and is fed to a machine extraction 27 in a known manner.

El cabezal de la máquina de extracción puede incluir un dispositivo de moleteado 29, el cual está provisto opcionalmente si, por ejemplo, las dos capas no están pegadas.The head of the extraction machine can include a knurling device 29, which is provided optionally if, for example, the two layers are not glued.

La máquina de acuerdo con la invención permite el suministro de diseños complejos y patrones ornamentales. Aunque la primera unidad de estampado en relieve puede proporcionar un patrón geométrico convencional, la segunda unidad de estampado en relieve puede ser utilizada de hecho para superponer un diseño en particular.The machine according to the invention allows the  supply of complex designs and ornamental patterns. Although the First embossing unit can provide a pattern Conventional geometric, the second embossing unit can in fact be used to superimpose a design on particular.

En la práctica se ha observado que la invención consigue el objetivo y los objetos perseguidos; de hecho es extremadamente sencillo el proporcionar patrones ornamentales complejos mediante el solapado de dos estampados en relieve independientes.In practice it has been observed that the invention achieve the objective and the objects pursued; in fact, it is extremely simple to provide ornamental patterns complexes by overlapping two embossed prints independent.

La máquina de acuerdo con la invención es extremadamente flexible; de hecho es posible variar el diseño sobre el papel sencillamente mediante la sustitución del segundo cilindro de estampado en relieve; adicionalmente, la segunda unidad de estampado en relieve puede ser puenteada fácilmente si se desea estampar el papel de una forma convencional, con un diseño sencillo, debido a los requisitos de fabricación.The machine according to the invention is extremely flexible; in fact it is possible to vary the design on the paper simply by replacing the second cylinder embossing; additionally, the second unit of Embossing can be easily bridged if desired stamping the paper in a conventional way, with a design Simple, due to manufacturing requirements.

En la práctica se ha observado que la invención consigue el objeto y objetivos perseguidos. Los materiales utilizados, así como también las dimensiones, puede ser cualquiera de acuerdo con los requisitos y con el estado del arte.In practice it has been observed that the invention Get the object and objectives pursued. The materials used, as well as the dimensions, can be any according to the requirements and the state of the art.

Claims (4)

1. Un aparato de estampado en relieve, particularmente para el papel en forma de rollo, que comprende un dispositivo (3) para alimentar el papel en forma de rollo (7, 9) a una primera unidad de estampado en relieve (5) constituida al menos por un cilindro de estampado en relieve adaptado para proporcionar una primer estampado sobre el mencionado papel, una segunda unidad de estampado en relieve (10), aguas abajo de la mencionada primera unidad de estampado en relieve, y adaptada para proporcionar un segundo estampado en relieve sobre el mencionado papel (21); caracterizado porque la mencionada segunda unidad de estampado en relieve comprende un cilindro de acero grabado (31) que trabaja directamente contra la superficie de un cilindro de acero liso (23).1. An embossing apparatus, particularly for roll-shaped paper, comprising a device (3) for feeding the roll-shaped paper (7, 9) to a first embossing unit (5) formed at least by a embossing cylinder adapted to provide a first stamping on said paper, a second embossing unit (10), downstream of said first embossing unit, and adapted to provide a second stamping in relief on said paper (21); characterized in that said second embossing unit comprises an engraved steel cylinder (31) that works directly against the surface of a smooth steel cylinder (23). 2. Un aparato de estampado en relieve, particularmente para papel en forma de rollo, que comprende un dispositivo (3) para alimentar papel en forma de rollo (7) a una primera unidad de estampado en relieve (5) constituida al menos por un cilindro de estampado en relieve adaptado para proporcionar un primer estampado en relieve sobre el mencionado papel, una segunda unidad de estampado en relieve (10), aguas abajo de dicha primera unidad de estampado en relieve, y adaptada para proporcionar un segundo estampado en relieve sobre el mencionado papel (21); caracterizado porque la mencionada unidad de estampado en relieve comprende un cilindro de estampado en relieve(31), que está hecho de caucho duro que trabaja directamente contra un cilindro de acero liso (23).2. An embossing apparatus, particularly for roll-shaped paper, comprising a device (3) for feeding roll-shaped paper (7) to a first embossing unit (5) consisting of at least one embossing cylinder adapted to provide a first embossing on said paper, a second embossing unit (10), downstream of said first embossing unit, and adapted to provide a second embossing on said paper (21); characterized in that said relief embossing unit comprises a relief embossing cylinder (31), which is made of hard rubber that works directly against a smooth steel cylinder (23). 3. Un aparato de estampado en relieve de acuerdo con la reivindicación 2, caracterizado porque el mencionado cilindro de estampado en relieve (31) soporta un revestimiento con un cliché hecho de caucho duro, sobre el cual está dispuesto un diseño.3. An embossing apparatus according to claim 2, characterized in that said embossed embossing cylinder (31) supports a coating with a cliché made of hard rubber, on which a design is arranged. 4. Un aparato de estampado en relieve de acuerdo con la reivindicación 2, caracterizado porque el mencionado cilindro de estampado en relieve (31) soporta un revestimiento provisto con una placa de relieve hecha de caucho duro, sobre la cual está dispuesto un diseño.4. An embossing apparatus according to claim 2, characterized in that said embossed embossing cylinder (31) supports a lining provided with a relief plate made of hard rubber, on which a design is arranged.
ES97110547T 1996-07-01 1997-06-27 RELIEF STAMPING DEVICE, PARTICULARLY FOR ROLL SHAPED PAPER. Expired - Lifetime ES2223070T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT1996MI000470U IT240761Y1 (en) 1996-07-01 1996-07-01 EMBOSSING MACHINE, PARTICULARLY FOR ROLL PAPER
ITMI960470U 1996-07-01

Publications (1)

Publication Number Publication Date
ES2223070T3 true ES2223070T3 (en) 2005-02-16

Family

ID=11373576

Family Applications (1)

Application Number Title Priority Date Filing Date
ES97110547T Expired - Lifetime ES2223070T3 (en) 1996-07-01 1997-06-27 RELIEF STAMPING DEVICE, PARTICULARLY FOR ROLL SHAPED PAPER.

Country Status (5)

Country Link
EP (1) EP0816058B1 (en)
AT (1) ATE275037T1 (en)
DE (1) DE69730469T2 (en)
ES (1) ES2223070T3 (en)
IT (1) IT240761Y1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1313577B1 (en) * 1999-07-27 2002-09-09 Ind Cartarie Tronchetti Spa METHOD AND EQUIPMENT FOR EMBOSSING PAPER SHEETS IN ROLL.
WO2014077751A1 (en) * 2012-11-16 2014-05-22 Sca Hygiene Products Ab Method for embossing a multi-ply paper product and an embossed multi-ply paper product
IT202000013255A1 (en) * 2020-06-04 2021-12-04 Pack Service S R L PROCEDURE FOR THE PRODUCTION OF ITEMS IN TISSUE PAPER

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4110152A (en) * 1975-06-20 1978-08-29 Avery International Corporation Embossing roller and method
US4003114A (en) * 1976-02-25 1977-01-18 Armstrong Cork Company Compressible sleeve embossing roll
EP0154141B1 (en) * 1984-02-20 1988-01-27 J. H. Benecke AG Method for producing an engraved roller for continuously embossing the surface of a thermoplastic sheet
US4859519A (en) * 1987-09-03 1989-08-22 Cabe Jr Alex W Method and apparatus for preparing textured apertured film
IT1230621B (en) * 1988-11-09 1991-10-28 Icaiplast S P A Vigevano Pavia DEVICE FOR RELIEF PRINTING OF SHEET OR STRIP MATERIALS
CA2060567C (en) * 1991-02-04 1997-06-10 Galyn Arlyn Schulz Apparatus for embossing a fibrous web

Also Published As

Publication number Publication date
EP0816058B1 (en) 2004-09-01
EP0816058A3 (en) 1999-07-21
DE69730469D1 (en) 2004-10-07
EP0816058A2 (en) 1998-01-07
ITMI960470U1 (en) 1998-01-01
DE69730469T2 (en) 2005-09-15
ITMI960470V0 (en) 1996-07-01
IT240761Y1 (en) 2001-04-11
ATE275037T1 (en) 2004-09-15

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