ES2362846B1 - DEVICE FOR REINFORCEMENT AND SUPPLY OF PLASTIC FILM. - Google Patents
DEVICE FOR REINFORCEMENT AND SUPPLY OF PLASTIC FILM. Download PDFInfo
- Publication number
- ES2362846B1 ES2362846B1 ES201130367A ES201130367A ES2362846B1 ES 2362846 B1 ES2362846 B1 ES 2362846B1 ES 201130367 A ES201130367 A ES 201130367A ES 201130367 A ES201130367 A ES 201130367A ES 2362846 B1 ES2362846 B1 ES 2362846B1
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- ES
- Spain
- Prior art keywords
- cords
- continuous
- stretching
- concentration
- roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000002787 reinforcement Effects 0.000 title claims abstract description 14
- 239000002985 plastic film Substances 0.000 title claims abstract description 11
- 229920006255 plastic film Polymers 0.000 title claims abstract description 9
- 230000003014 reinforcing effect Effects 0.000 claims abstract 4
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 3
- 229920002457 flexible plastic Polymers 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002990 reinforced plastic Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/18—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets by squeezing between surfaces, e.g. rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/14—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a face layer formed of separate pieces of material which are juxtaposed side-by-side
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Treatment Of Fiber Materials (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
Dispositivo para el refuerzo y suministro de film plástico.#Este dispositivo comprende: un primer portabobinas (1) de unas bobinas de tiras (11) paralelas de film de refuerzo y un rodillo de concentración (2) giratorio, dotado con unas gargantas perimetrales (21) de paso y concentración de las tiras (11) en cordones (3) independientes destinados a aplicarse paralelamente y en dirección longitudinal sobre la superficie exterior de una bobina de film continuo (41) montada en un segundo portabobinas (4), de forma que dichos cordones (3) quedan distribuidos uniformemente en la anchura del film continuo (41); y una pareja de rodillos (51, 52) de estirado, dotados de motorización y dispuestos en orden consecutivo, por los cuales pasa el film continuo (41) reforzado con los cordones (3), presentando el segundo rodillo (52) de estirado, en su superficie exterior, una velocidad tangencial mayor que la del primer rodillo (51).Device for the reinforcement and supply of plastic film. # This device comprises: a first bobbin holder (1) of coils of parallel strips (11) of reinforcing film and a rotating concentration roller (2), equipped with perimeter throats ( 21) of passage and concentration of the strips (11) in independent cords (3) intended to be applied in parallel and in a longitudinal direction on the outer surface of a continuous film coil (41) mounted on a second bobbin holder (4), so that said cords (3) are distributed evenly across the width of the continuous film (41); and a pair of rollers (51, 52) of stretching, provided with motorization and arranged in consecutive order, through which the continuous film (41) reinforced with the cords (3) passes, presenting the second roller (52) of stretching, on its outer surface, a tangential speed greater than that of the first roller (51).
Description
Dispositivo para el refuerzo y suministro de film plástico. Device for the reinforcement and supply of fi lm plastic.
Objeto de la invenciónObject of the invention
La presente invención se refiere a un dispositivo para el refuerzo y suministro de film plástico, más concretamente de film plástico utilizado en aplicaciones de cubrición, protección y embalaje entre otras. The present invention relates to a device for the reinforcement and supply of plastic film, more specifically plastic film used in covering, protection and packaging applications among others.
Campo de aplicación de la invenciónField of application of the invention
Esta invención es aplicable en el sector de manipulación de láminas plásticas delgadas y filmes flexibles con diversas aplicaciones de embalaje y protección de objetos y mercancías. This invention is applicable in the sector of handling thin and flexible plastic sheets with various packaging and protection applications of objects and merchandise.
Antecedentes de la invención Background of the invention
En la actualidad, el uso de film plástico flexible es muy común en diversas aplicaciones, entre las que se comprenden el embalaje de mercancías, para sujetarlas juntas sobre un palé, o la protección de objetos frente a agentes externos durante su almacenamiento o transporte. Este film plástico se aplica alrededor del objeto o mercancía de forma estirada, tal que forma que la tensión del material que se suministra en la aplicación provoca una contracción que la ajusta sobre dicho objeto o mercancía. At present, the use of flexible plastic film is very common in various applications, including the packaging of goods, to hold them together on a pallet, or the protection of objects against external agents during storage or transport. This plastic film is applied around the object or merchandise in a stretched way, such that the tension of the material supplied in the application causes a contraction that adjusts it on said object or merchandise.
El principal problema es que la resistencia del film plástico es reducida y requiere la aplicación de muchos metros al aplicar varias capas. The main problem is that the resistance of the plastic film is reduced and requires the application of many meters when applying several layers.
El solicitante de la presente invención desconoce la existencia de antecedentes que resuelvan de forma satisfactoria la problemática expuesta. The applicant of the present invention is unaware of the existence of a background that satisfactorily solves the problem presented.
Descripción de la invenciónDescription of the invention
El dispositivo para el refuerzo y suministro de film plástico, objeto de esta invención, presenta unas particularidades técnicas destinadas a ofrecer una mayor resistencia del film aplicado sobre objetos y mercancías. The device for the reinforcement and supply of fi lm plastic, object of this invention, has some technical peculiarities intended to offer a greater resistance of the fi lm applied to objects and goods.
El dispositivo es del tipo de los que comprenden un segundo portabobinas de una bobina de suministro de film continuo para su aplicación sobre un objeto o mercancía. The device is of the type that comprises a second bobbin holder of a continuous fi lm supply coil for application on an object or merchandise.
De acuerdo con la invención, el dispositivo comprende: According to the invention, the device comprises:
- --
- un primer portabobinas de bobinas de tiras paralelas de film de refuerzo, y a continuación un rodillo de concentración giratorio, dotado con unas gargantas perimetrales de paso y concentración de las tiras en unos cordones independientes destinados a aplicarse paralelamente y en dirección longitudinal sobre la superficie exterior de la bobina de film continuo, de forma que dichos cordones quedan distribuidos uniformemente en la anchura del film continuo, a first coil bobbin holder of parallel strips of reinforcement fi lm, and then a rotating concentration roller, provided with perimeter throats of passage and concentration of the strips on independent cords intended to be applied parallel and longitudinally on the outer surface of the continuous fi lm coil, so that said cords are distributed evenly across the width of the continuous fi lm,
- --
- una pareja de rodillos de estirado, dotados de motorización y dispuestos en orden consecutivo, por los cuales pasa el film continuo reforzado con los cordones, presentando el segundo rodillo de estirado una velocidad tangencial mayor que la del primer rodillo de estirado, provocando el estiramiento de la lámina continua con cordones de refuerzo obtenida, y obteniendo un aumento de resistencia y su unión. a pair of stretching rollers, equipped with motorization and arranged in consecutive order, through which the continuous fi lm reinforced with the cords passes, the second stretching roller having a tangential speed greater than that of the first stretching roller, causing the stretching of the sheet continues with reinforcement cords obtained, and obtaining an increase in resistance and its union.
Por un lado el rodillo de concentración giratorio posibilita que el film plástico reforzado se pueda realizar in situ a gran velocidad, según las necesidades del usuario. On the one hand, the rotating concentration roller allows the reinforced plastic fi lm to be carried out on site at high speed, according to the needs of the user.
Los cordones son adecuados para su aplicación sobre el film continuo directamente a medida que dicho film continuo se desbobina de la bobina correspondiente su bobina. A su vez, la pareja de rodillos de estirado posibilita que este film continuo y los cordones superpuestos en su superficie queden íntimamente ligados formando una lámina de resistencia mejorada. The cords are suitable for application on the continuous fi lm directly as said continuous fi lm unwinds from the corresponding coil its coil. In turn, the pair of stretching rollers makes it possible for this continuous fi lm and the overlapping cords on its surface to be closely linked forming a sheet of improved resistance.
El dispositivo contribuye a reducir el stock o almacenamiento de film plástico, ya que los rodillos de estirado posibilitan estirar el material en el momento de la fabricación, reduciendo el consumo lineal, aumentando el rendimiento de cada bobina y garantizando el suministro del film continuo reforzado con los cordones formados y adheridos a la misma. The device helps reduce the stock or storage of plastic film, since the stretching rollers make it possible to stretch the material at the time of manufacture, reducing linear consumption, increasing the performance of each coil and ensuring the supply of the continuous fi lm reinforced with the laces formed and attached to it.
A su vez, la lámina o film reforzado presenta mejoradas sus prestaciones mecánicas al estar el film continuo y los cordones estirados, con lo que se requiera menos material para embalar un objeto o mercancía. In turn, the reinforced fi lm sheet has improved mechanical performance as the fi lm is continuous and the strands are stretched, which requires less material to pack an object or merchandise.
Para conseguir una correcta tensión del film reforzado, los rodillos de estirado están dispuestos alternados a ambos lados del paso del film continuo y de los cordones adheridos al mismo. In order to achieve a correct tension of the reinforced fi lm, the stretching rollers are arranged alternately on both sides of the passage of the continuous fi lm and of the cords attached thereto.
La motorización de dicha pareja de rodillos de estirado puede ser de distinta índole. En un ejemplo de realización esta motorización comprende un motor eléctrico conectado a uno de los rodillos de estirado y un engranaje o transmisión con el otro rodillo de estirado que provoca la diferencia de velocidad entre los mismos. En otra realización, el rodillo de estirado se encuentra motorizado y el otro rodillo de estirado comprende un freno o un motor que lo obliga a girar a una velocidad más reducida. The motorization of said pair of stretching rollers can be of a different nature. In an exemplary embodiment, this motorization comprises an electric motor connected to one of the drawing rollers and a gear or transmission with the other drawing roller that causes the speed difference between them. In another embodiment, the stretching roller is motorized and the other stretching roller comprises a brake or a motor that forces it to rotate at a lower speed.
El rodillo de concentración giratorio transforma las tiras de film plástico en cordones de refuerzo sin rozamientos de dichos cordones ni riesgos de que se corten o rasguen las tiras al convertirse en cordones por posibles atascos. Para conseguir una óptima formación de los cordones de refuerzo a partir de las tiras, las gargantas perimetrales del rodillo de concentración presentan una sección en “V”, adquiriendo una forma espacial de diábolo o dos troncos de conos opuestos por sus bases menores. Descripción de las figurasThe rotating concentration roller transforms the plastic fi lm strips into reinforcement cords without friction of said cords or risks of the strips being cut or torn when they become cords due to possible jams. In order to achieve an optimum formation of the reinforcement cords from the strips, the perimeter throats of the concentration roller have a "V" section, acquiring a spatial shape of diabolo or two trunks of cones opposed by their smaller bases. Description of the fi gures
Para complementar la descripción que se está realizando y con objeto de facilitar la comprensión de las características de la invención, se acompaña a la presente memoria descriptiva un juego de dibujos en los que, con carácter ilustrativo y no limitativo, se ha representado lo siguiente: To complement the description that is being made and in order to facilitate the understanding of the characteristics of the invention, a set of drawings is attached to the present specification in which, for illustrative and non-limiting purposes, the following has been represented:
- --
- La figura 1 muestra una vista en planta del dispositivo y de la circulación del film continuo y los cordones hasta obtener la lámina reforzada. Figure 1 shows a plan view of the device and the circulation of the continuous fi lm and the cords until the reinforced sheet is obtained.
- --
- La figura 2 muestra una vista en alzado de la secuencia longitudinal de la circulación del film continuo y de los cordones hasta su salida en forma de lámina o film reforzado. Realización preferente de la invenciónFigure 2 shows an elevation view of the longitudinal sequence of the continuous fi lm circulation and the cords until its exit in the form of a reinforced fi lm sheet. Preferred Embodiment of the Invention
Como se puede observar en las figuras referenciadas el dispositivo comprende un primer portabobinas As can be seen in the referenced figures, the device comprises a first bobbin holder
(1) de una pluralidad de bobinas de tiras (11) de film plástico, dispuestas paralelas, para atacar un rodillo de concentración (2), donde las tiras (11) se convierten en cordones (3). Este rodillo de concentración (2) es giratorio libremente y presenta unas gargantas peri(1) of a plurality of reels of strips (11) of plastic fi lm, arranged parallel, to attack a concentration roller (2), where the strips (11) become cords (3). This concentration roller (2) is freely rotatable and has peri throats
metrales (21) de sección en “V” para la concentración de respectivas tiras (11) a cordones (3). A continuación del rodillo de concentración (2) se encuentra un segundo portabobinas (4) de una bobina de film continuo (41), y los cordones se aplican en la superficie exterior de esta bobina, acompañando al film continuo shrapnel (21) of section in “V” for the concentration of respective strips (11) to cords (3). Next to the concentration roller (2) is a second bobbin holder (4) of a continuous fi lm coil (41), and the cords are applied to the outer surface of this coil, accompanying the continuous fi lm
- (41) (41)
- en su desbobinado hacia una pareja de rodillos (51, 52) de estirado. in its unwind towards a pair of rollers (51, 52) of stretching.
Esta pareja de rodillos (51, 52) de estirado comprende una motorización que posibilita que la velocidad tangencial de la superficie del segundo rodillo This pair of stretching rollers (51, 52) comprises a motorization that allows the tangential speed of the surface of the second roller
- (52) (52)
- sea superior a la velocidad tangencial del primer rodillo (51) para producir un estiramiento del film continuo (41) y de los cordones (3) aplicados en su superficie, produciendo su adhesión, mejorando su resistencia y optimizando su utilización por alargamiento general. En este caso esta motorización esis greater than the tangential speed of the first roller (51) to produce a stretch of the continuous fi lm (41) and of the cords (3) applied on its surface, producing its adhesion, improving its resistance and optimizing its use by general elongation. In this case this motorization is
tá conformada por un motor (6) que acciona directamente el segundo rodillo (52) de estiramiento y que presenta asociado un engranaje (61) con una relación reductora sobre el eje del primer rodillo de estirado (51). tá conformed by a motor (6) that directly drives the second stretching roller (52) and which has an associated gear (61) with a reduction ratio on the axis of the first stretching roller (51).
En la entrada y en la salida de la pareja de rodillos de estirado (51, 52) se encuentran unos rodillos de desvío (7) de la lámina reforzada obtenida a una aplicación próxima. Bypass rollers (7) of the reinforced sheet (7) of the reinforced sheet obtained at a nearby application are located at the entrance and exit of the pair of stretching rollers (51, 52).
Una vez descrita suficientemente la naturaleza de la invención, así como un ejemplo de realización preferente, se hace constar a los efectos oportunos que los materiales, forma, tamaño y disposición de los elementos descritos podrán ser modificados, siempre y cuando ello no suponga una alteración de las características esenciales de la invención que se reivindican a continuación. Once the nature of the invention has been sufficiently described, as well as an example of a preferred embodiment, it is stated to the appropriate effects that the materials, shape, size and arrangement of the described elements may be modified, as long as this does not imply an alteration. of the essential features of the invention that are claimed below.
Claims (4)
- --
- un primer portabobinas (1) de unas bobinas de tiras (11) paralelas de film de refuerzo y un rodillo de concentración (2) giratorio, dotado con unas gargantas perimetrales (21) de paso y concentración de las tiras (11) en cordones (3) independientes destinados a aplicarse paralelamente y en dirección longitudinal sobre la superficie exterior de la bobina de film continuo (41), de forma que dichos cordones (3) quedan distribuidos uniformemente en la anchura del film continuo (41), a first bobbin holder (1) of coils of parallel strips (11) of reinforcement fi lm and a rotating concentration roller (2), provided with perimeter throats (21) of passage and concentration of the strips (11) in cords ( 3) independent intended to be applied in parallel and in the longitudinal direction on the outer surface of the continuous fi lm coil (41), so that said cords (3) are evenly distributed in the width of the continuous fi lm (41),
- --
- una pareja de rodillos (51, 52) de estirado, dotados de motorización y dispuestos en orden consecutivo, por los cuales pasa el film continuo (41) reforzado con los cordones (3), presentando el segundo rodillo (52) de estirado, en su superficie exterior, una velocidad tangencial mayor que la del primer rodillo (51) de estirado, provocando el estiramiento de la lámina de film continuo (41) con los cordones (3) de refuerzo obtenida, y obteniendo un aumento de resistencia y su unión. a pair of rollers (51, 52) of stretching, provided with motorization and arranged in consecutive order, through which the continuous fi lm (41) reinforced with the cords (3) passes, presenting the second roller (52) of stretching, in its outer surface, a tangential speed greater than that of the first stretching roller (51), causing the continuous fi lm sheet (41) to be stretched with the reinforcement cords (3) obtained, and obtaining an increase in strength and its union .
- 2. 2.
- Dispositivo, según la reivindicación 1, caracterizado porque los rodillos (51, 52) de estirado están dispuestos alternados a ambos lados del paso del film continuo (41) y de los cordones (3) de refuerzo en su estirado. Device according to claim 1, characterized in that the stretching rollers (51, 52) are arranged alternately on both sides of the passage of the continuous fi lm (41) and of the reinforcing cords (3) in their stretching.
- 3. 3.
- Dispositivo, según las reivindicaciones anteriores, caracterizado porque las gargantas perimetrales Device according to the preceding claims, characterized in that the perimeter throats
- Categoría Category
- Documentos citados Reivindicaciones afectadas Documents cited Claims Affected
- X X
- ES 1072929 U (CONTROL D EMBALATGES S L) 11.10.2010, 1-3 EN 1072929 U (CONTROL D EMBALATGES S L) 11.10.2010, 1-3
- columna 3, línea 18 – columna 4, línea 35; figuras. column 3, line 18 - column 4, line 35; figures.
- A TO
- WO 2006016393 A1 (AKRO FLEX S A S DI GAREGNANI A) 16.02.2006, 1 WO 2006016393 A1 (AKRO FLEX S A S DI GAREGNANI A) 16.02.2006, one
- página 3, línea 8 – página 5, línea 16; figuras. page 3, line 8 - page 5, line 16; figures.
- A TO
- WO 02094674 A1 (AKRO FLEX S A S DI GAREGNANI A) 28.11.2002, 1 WO 02094674 A1 (AKRO FLEX S A S DI GAREGNANI A) 28.11.2002, one
- página 3, línea 14 – página 8, línea 10; figuras. page 3, line 14 - page 8, line 10; figures.
- A TO
- US 2002182367 A1 (SALZSAULER et al.) 05.12.2002, 1 US 2002182367 A1 (SALZSAULER et al.) 05.12.2002, one
- párrafos 14-19; figura 4. paragraphs 14-19; figure 4.
- Categoría de los documentos citados X: de particular relevancia Y: de particular relevancia combinado con otro/s de la misma categoría A: refleja el estado de la técnica O: referido a divulgación no escrita P: publicado entre la fecha de prioridad y la de presentación de la solicitud E: documento anterior, pero publicado después de la fecha de presentación de la solicitud Category of the documents cited X: of particular relevance Y: of particular relevance combined with other / s of the same category A: reflects the state of the art O: refers to unwritten disclosure P: published between the priority date and the date of priority submission of the application E: previous document, but published after the date of submission of the application
- El presente informe ha sido realizado • para todas las reivindicaciones • para las reivindicaciones nº: This report has been prepared • for all claims • for claims no:
- Fecha de realización del informe 28.06.2011 Date of realization of the report 28.06.2011
- Examinador F. Riesco Ruiz Página 1/4 Examiner F. Riesco Ruiz Page 1/4
- Novedad (Art. 6.1 LP 11/1986) Novelty (Art. 6.1 LP 11/1986)
- Reivindicaciones Reivindicaciones 1-3 SI NO Claims Claims 1-3 IF NOT
- Actividad inventiva (Art. 8.1 LP11/1986) Inventive activity (Art. 8.1 LP11 / 1986)
- Reivindicaciones Reivindicaciones 1-3 SI NO Claims Claims 1-3 IF NOT
- Documento Document
- Número Publicación o Identificación Fecha Publicación Publication or Identification Number publication date
- D01 D01
- ES 1072929 U (CONTROL D EMBALATGES S L) 11.10.2010 EN 1072929 U (CONTROL D EMBALATGES S L) 11.10.2010
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201130367A ES2362846B1 (en) | 2011-03-16 | 2011-03-16 | DEVICE FOR REINFORCEMENT AND SUPPLY OF PLASTIC FILM. |
| PCT/ES2011/000215 WO2012001185A1 (en) | 2010-06-29 | 2011-06-29 | Wrapping machine |
| EP11800213.8A EP2589540A4 (en) | 2010-06-29 | 2011-06-29 | Wrapping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201130367A ES2362846B1 (en) | 2011-03-16 | 2011-03-16 | DEVICE FOR REINFORCEMENT AND SUPPLY OF PLASTIC FILM. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2362846A1 ES2362846A1 (en) | 2011-07-14 |
| ES2362846B1 true ES2362846B1 (en) | 2012-06-19 |
Family
ID=44203199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES201130367A Active ES2362846B1 (en) | 2010-06-29 | 2011-03-16 | DEVICE FOR REINFORCEMENT AND SUPPLY OF PLASTIC FILM. |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES2362846B1 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITRM20010281A1 (en) * | 2001-05-23 | 2002-11-25 | Akro Flex S A S Di E Garegnani | PROCEDURE FOR THE REALIZATION OF A POLYETHYLENE FILM FOR PACKAGING, REINFORCED AND NOT PERFORATED, EQUIPPED WITH LOCALIZ WEAKENING AREAS |
| WO2002096634A1 (en) * | 2001-05-29 | 2002-12-05 | Saltech Inc. | Reinforced plastic film |
| ITRM20040412A1 (en) * | 2004-08-12 | 2004-11-12 | Akro Flex S A S Di Garegnani Antonio & C | THIN FILM IN PLASTIC MATERIAL EXTENDABLE FOR PACKAGING, REINFORCED AND STRETCHED AT LEAST PARTIALLY, WITH HIGH MECHANICAL RESISTANCE. |
| ES1072929Y (en) * | 2010-06-29 | 2011-02-14 | Control D Embalatges S L | ENFARDADORA |
-
2011
- 2011-03-16 ES ES201130367A patent/ES2362846B1/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| ES2362846A1 (en) | 2011-07-14 |
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