ES1280075U - ABSORBENT FOR FOOD USE CONTAINERS (Machine-translation by Google Translate, not legally binding) - Google Patents
ABSORBENT FOR FOOD USE CONTAINERS (Machine-translation by Google Translate, not legally binding) Download PDFInfo
- Publication number
- ES1280075U ES1280075U ES202131784U ES202131784U ES1280075U ES 1280075 U ES1280075 U ES 1280075U ES 202131784 U ES202131784 U ES 202131784U ES 202131784 U ES202131784 U ES 202131784U ES 1280075 U ES1280075 U ES 1280075U
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- Prior art keywords
- absorbent
- inner layer
- pet
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- 230000002745 absorbent Effects 0.000 title claims abstract description 32
- 239000002250 absorbent Substances 0.000 title claims abstract description 32
- 235000013305 food Nutrition 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 13
- 238000004064 recycling Methods 0.000 claims abstract description 7
- 239000000835 fiber Substances 0.000 claims abstract description 6
- 238000004806 packaging method and process Methods 0.000 claims abstract description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 9
- 229920000139 polyethylene terephthalate Polymers 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- 238000003490 calendering Methods 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000013372 meat Nutrition 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
Landscapes
- Laminated Bodies (AREA)
Abstract
Description
DESCRIPCIÓNDESCRIPTION
ABSORBENTE PARA ENVASES DE USO ALIMENTARIOABSORBENT FOR FOOD USE CONTAINERS
OBJETO DE LA INVENCIÓNOBJECT OF THE INVENTION
La presente invención se refiere a un absorbente destinado a ser ubicado en envases de uso alimentario, cuya configuración y diseño facilita su recidabilidad.The present invention refers to an absorbent intended to be placed in food-use containers, the configuration and design of which facilitates its recidability.
Encuentra especial aplicación en el ámbito de la industria de fabricación de productos laminados compuestos por varias capas.It finds special application in the field of the manufacturing industry of laminated products composed of several layers.
ANTECEDENTES DE LA INVENCIÓN Y PROBLEMA TÉCNICO A RESOLVERBACKGROUND OF THE INVENTION AND TECHNICAL PROBLEM TO BE SOLVED
En el actual estado de la técnica, los envases para uso alimentario que contienen alimentos frescos, como carnes y pescado que exudan, son fabricados con bandejas a las cuales se les coloca en su interior unas almohadillas absorbentes fabricadas en diferentes tipos de materiales, como suele ser polietileno (PE), junto con fibra vegetal, con el objetivo de que absorba la mayor cantidad posible de este líquido que sueltan los alimentos frescos.In the current state of the art, containers for food use that contain fresh foods, such as meats and fish that exude, are manufactured with trays which are placed inside absorbent pads made of different types of materials, as is usually the case. be polyethylene (PE), together with vegetable fiber, in order to absorb as much as possible of this liquid released by fresh food.
El problema de estos productos absorbentes radica en que, al estar fabricados en materiales diferentes al de las bandejas, empeora tanto la reciclabilidad del absorbente como la de la bandeja, siendo necesario operaciones previas de separación de materiales para su posterior reciclado.The problem with these absorbent products lies in the fact that, as they are made of different materials from that of the trays, both the recyclability of the absorbent and that of the tray worsens, requiring prior material separation operations for subsequent recycling.
La presente invención viene a solucionar este problema que no estaba resuelto en el presente estado de la técnica, y presenta un absorbente para envases de uso alimentario fabricado en el mismo material que el envase donde va ubicado, de forma que no sea necesario separar los materiales para llevar a cabo el reciclado.The present invention solves this problem that was not solved in the present state of the art, and presents an absorbent for containers for food use made of the same material as the container where it is located, so that it is not necessary to separate the materials. to carry out recycling.
DESCRIPCIÓN DE LA INVENCIÓNDESCRIPTION OF THE INVENTION
Con el fin de alcanzar los objetivos y evitar los inconvenientes mencionados anteriormente, la presente invención describe un elemento absorbente para envases de uso alimentario, cuya configuración y diseño facilita su reciclabilidad.In order to achieve the objectives and avoid the drawbacks mentioned above, the present invention describes an absorbent element for containers for food use, the configuration and design of which facilitates its recyclability.
Se parte de la base de que los envases destinados al envasado de alimentos frescos están realizados en polietileno tereftalato, comúnmente conocido como PET.It is assumed that the containers intended for the packaging of fresh foods are made of polyethylene terephthalate, commonly known as PET.
El absorbente objeto de la presente invención está compuesto por dos láminas externas plásticas y una capa interna ubicada entre las dos láminas externas, a modo sándwich, configurada a base de fibra, con capacidad de absorber los líquidos consecuencia de la exudación de alimentos frescos, como pueden ser carnes y pescados.The absorbent object of the present invention is composed of two external plastic sheets and an internal layer located between the two external sheets, in a sandwich fashion, configured based on fiber, with the ability to absorb liquids as a result of the exudation of fresh food, such as they can be meat and fish.
La composición de las distintas capas de la lámina absorbente es la siguiente:The composition of the different layers of the absorbent sheet is as follows:
Cada una de las láminas externas está realizada en PET perforado, con un espesor comprendido entre 6 y 50 micras .Each of the outer sheets is made of perforated PET, with a thickness between 6 and 50 microns.
La capa interna está compuesta por fibras de base PET con las siguientes características:The inner layer is composed of PET-based fibers with the following characteristics:
- Capacidad de absorción / exudación: de 800 a 1.2000 ml/m2.- Absorption / exudation capacity: from 800 to 1,2000 ml / m2.
- Espesor de 1 a 20 milímetros.- Thickness from 1 to 20 millimeters.
De este modo, tanto las capas del absorbente como la bandeja donde se coloca el absorbente son realizadas en el mismo material, PET, por lo que al estar el conjunto compuesto por un único material, su reciclaje se simplifica.In this way, both the layers of the absorbent and the tray where the absorbent is placed are made of the same material, PET, so as the whole is made up of a single material, recycling is simplified.
La unión de la capa interna a las láminas externas puede ser directamente por adhesión mediante la aplicación de calor o bien empleando un adhesivo.The bonding of the inner layer to the outer sheets can be directly by adhesion through the application of heat or by using an adhesive.
La fabricación del absorbente se realiza mediante un extrusionado con aporte de calor y calandrado posterior que finaliza con un microperforado de la lámina resultante con perforaciones con una densidad que puede variar entre 3 y 10 poros/cm2.The manufacture of the absorbent is carried out by means of extrudate with the addition of heat and subsequent calendering that ends with a microperforation of the resulting sheet with perforations with a density that can vary between 3 and 10 pores / cm2.
BREVE DESCRIPCIÓN DE LAS FIGURASBRIEF DESCRIPTION OF THE FIGURES
Para completar la descripción de la invención y con objeto de ayudar a una mejor comprensión de sus características, de acuerdo con un ejemplo preferente de realización de la misma, se acompaña un conjunto de dibujos en donde, con carácter ilustrativo y no limitativo, se han representado las siguientes figuras: In order to complete the description of the invention and in order to help a better understanding of its characteristics, according to a preferred example of its embodiment, a set of drawings is attached where, by way of illustration and not limitation, they have been represented the following figures:
- La figura 1 representa una vista lateral del absorbente de la invención en una primera forma de realización en la que los elementos se unen mediante la aplicación de calor. - La figura 2 representa una vista lateral del absorbente de la invención en una segunda forma de realización en la que los elementos se unen mediante adhesivo. - La figura 3 representa la máquina conformadora del absorbente de la invención.- Figure 1 represents a side view of the absorbent of the invention in a first embodiment in which the elements are joined by applying heat. - Figure 2 represents a side view of the absorbent of the invention in a second embodiment in which the elements are joined by adhesive. - Figure 3 represents the machine for forming the absorbent of the invention.
A continuación se facilita un listado de las referencias empleadas en las figuras:Below is a list of the references used in the figures:
1. Capa interna.1. Inner layer.
2. Láminas externas.2. External sheets.
3. Adhesivo.3. Adhesive.
4. Calentador.4. Heater.
5. Estación de calandrado.5. Calendering station.
6. Estación de microperforado.6. Microperforation station.
7. Estación de bobinado.7. Winding station.
DESCRIPCIÓN DE UNA REALIZACIÓN PREFERENTE DE LA INVENCIÓNDESCRIPTION OF A PREFERRED EMBODIMENT OF THE INVENTION
La presente invención se refiere a un absorbente para envases de uso alimentario con el objetivo de que el conjunto formado por el envase y el absorbente facilite la reciclabilidad del conjunto.The present invention refers to an absorbent for food-use containers with the aim that the assembly formed by the container and the absorbent facilitates the recyclability of the assembly.
El absorbente de la invención está configurado mediante un material laminar que incorpora un par de láminas externas (2) y una capa interna (1) entre las dos capas externas (2), a modo de sándwich, según se representa en la figura 1.The absorbent of the invention is configured by means of a laminar material that incorporates a pair of external sheets (2) and an internal layer (1) between the two external layers (2), like a sandwich, as represented in Figure 1.
Al estar los productos frescos envasados en envases de polietileno tereftalato, PET, el objetivo de la invención consiste en crear un absorbente que esté básicamente compuesto por este material, de forma que el reciclado sea único, sin necesidad de tener que separar componentes. Así, las láminas externas (2) están hechas de PET y presentan un espesor de un tamaño variable entre 6 y 50 micras. Por su parte, la capa interna (1) está compuesta por fibra a base de PET.As fresh products are packaged in polyethylene terephthalate, PET containers, the objective of the invention is to create an absorbent that is basically composed of this material, so that recycling is unique, without the need to separate components. Thus, the external sheets (2) are made of PET and have a thickness of a variable size between 6 and 50 microns. For its part, the inner layer (1) is made of PET-based fiber.
La unión de la capa interna (1) a las láminas externas (2) se realiza según cualquiera de los métodos conocidos. The joining of the inner layer (1) to the outer sheets (2) is carried out according to any of the known methods.
Según una primera forma de realización, la capa interna (1) y las láminas externas (2) se unen según el proceso que se muestra en la figura 3, mediante adherencia a base de calor generado por calentadores (4), a temperaturas que pueden variar entre 60 y 120 grados Celsius. Los calentadores (4) están ubicados en la máquina laminadora en una posición previa a la unión de los diferentes componentes (1,2).According to a first embodiment, the inner layer (1) and the outer sheets (2) are joined according to the process shown in Figure 3, by means of adherence based on heat generated by heaters (4), at temperatures that can vary between 60 and 120 degrees Celsius. The heaters (4) are located in the laminating machine in a position prior to the joining of the different components (1,2).
Según otra forma de realización, según se muestra en la figura 2, el absorbente incorpora una capa de adhesivo entre la capa interna (1) y cada una de las láminas externas (2). Aunque el proceso no se ha representado, a partir de la figura 3 se puede deducir que con cambiar uno de los calentadores (4) por un aplicador de cola, el proceso queda definido.According to another embodiment, as shown in Figure 2, the absorbent incorporates a layer of adhesive between the inner layer (1) and each of the outer sheets (2). Although the process has not been represented, from figure 3 it can be deduced that by changing one of the heaters (4) for a glue applicator, the process is defined.
Después de la unión de la capa interna (1) a las láminas externas (2) para conformar el absorbente, el producto se dirige a una estación de calandrado (5) que se realiza a una presión que puede llegar a los 10 bares. El proceso continua en una estación de microperforado (6), donde unos rodillos realizan poros en las láminas externas (2) en una cantidad que puede variar entre 3 y 10 poros/cm2. Dado el espesor de las láminas externas (2), este microperforado es probable que también afecte a la capa interna (1), aunque es algo que no afecta al producto final de la invención. El último paso del proceso consiste en dirigirse a una estación de bobinado (7), donde el producto, ya terminado, es enrollado en un cilindro.After joining the inner layer (1) to the outer sheets (2) to form the absorbent, the product is directed to a calendering station (5) that is carried out at a pressure that can reach 10 bars. The process continues in a microperforation station (6), where rollers make pores in the external sheets (2) in an amount that can vary between 3 and 10 pores / cm2. Given the thickness of the outer sheets (2), this microperforation is likely to also affect the inner layer (1), although it is something that does not affect the final product of the invention. The last step of the process consists of going to a winding station (7), where the finished product is wound onto a cylinder.
De esta forma, se genera un absorbente de configuración laminar compuesto por varias capas de material, aunque todas ellas con el mismo material base, por lo que el reciclado no presenta ningún problema.In this way, an absorbent with a laminar configuration is generated, made up of several layers of material, although all of them with the same base material, so recycling does not present any problem.
Por último, hay que tener en cuenta que la presente invención no debe verse limitada a la forma de realización aquí descrita. Otras configuraciones pueden ser realizadas por los expertos en la materia a la vista de la presente descripción. En consecuencia, el ámbito de la invención queda definido por las siguientes reivindicaciones. Finally, it must be borne in mind that the present invention should not be limited to the embodiment described here. Other configurations can be made by those skilled in the art in light of the present description. Accordingly, the scope of the invention is defined by the following claims.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES202131784U ES1280075Y (en) | 2021-09-08 | 2021-09-08 | ABSORBENT FOR FOOD USE PACKAGING |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES202131784U ES1280075Y (en) | 2021-09-08 | 2021-09-08 | ABSORBENT FOR FOOD USE PACKAGING |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES1280075U true ES1280075U (en) | 2021-10-26 |
| ES1280075Y ES1280075Y (en) | 2022-01-19 |
Family
ID=78149204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES202131784U Active ES1280075Y (en) | 2021-09-08 | 2021-09-08 | ABSORBENT FOR FOOD USE PACKAGING |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES1280075Y (en) |
-
2021
- 2021-09-08 ES ES202131784U patent/ES1280075Y/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| ES1280075Y (en) | 2022-01-19 |
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