ES2706204B2 - Reused cardboard pallet - Google Patents
Reused cardboard pallet Download PDFInfo
- Publication number
- ES2706204B2 ES2706204B2 ES201700721A ES201700721A ES2706204B2 ES 2706204 B2 ES2706204 B2 ES 2706204B2 ES 201700721 A ES201700721 A ES 201700721A ES 201700721 A ES201700721 A ES 201700721A ES 2706204 B2 ES2706204 B2 ES 2706204B2
- Authority
- ES
- Spain
- Prior art keywords
- cardboard
- reused
- previous
- pallet according
- core
- 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 - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D19/0004—Rigid pallets without side walls
- B65D19/0006—Rigid pallets without side walls the load supporting surface being made of a single element
- B65D19/0008—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface
- B65D19/001—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of a single element
- B65D19/0012—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of a single element forming a continuous plane contact surface
-
- 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
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D3/00—Making articles of cellular structure, e.g. insulating board
- B31D3/005—Making cellular structures from corrugated webs or sheets
-
- 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
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D3/00—Making articles of cellular structure, e.g. insulating board
- B31D3/005—Making cellular structures from corrugated webs or sheets
- B31D3/007—Making cellular structures from corrugated webs or sheets by cutting corrugated webs longitudinally into strips, piling these strips and uniting them
-
- 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
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/08—Corrugated paper or cardboard
-
- 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
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pallets (AREA)
Description
DESCRIPCIÓNDESCRIPTION
Pallet de cartón reutilizado.Pallet of reused cardboard.
Sector de la técnica en que se encuadra la invenciónSector of the technique in which the invention is framed
La presente invención se refiere a un pallet de bajo coste fabricado mayoritariamente a partir de cartón ondulado reutilizado.The present invention relates to a low-cost pallet manufactured mostly from reused corrugated cardboard.
Estado de la técnicaState of the art
Actualmente se conocen diversas patentes y modelos de utilidad pallets que resultan más costosas por no estar fabricadas con material reutilizado.Currently, several patents and utility pallet models are known that are more expensive because they are not manufactured with reused material.
En el documento PCT/US2004/040373 se propone un pallet de un solo uso que presenta el inconveniente de resultar complicado de fabricar y montar y de necesitar planchas completas de cartón ondulado fabricadas para tal fin.In document PCT / US2004 / 040373 a single-use pallet is proposed that presents the inconvenience of being complicated to manufacture and assemble and of needing complete sheets of corrugated cardboard manufactured for this purpose.
En el documento PCT/ES2001000447 se describe un pallet en el que las patas necesitan 2 planchas de fijación adicionales a la superficie de carga y el encolado de 2 capas completas de cartón ondulado de primer uso.In PCT / ES2001000447 a pallet is described in which the legs need 2 additional fixing plates to the loading surface and the gluing of 2 complete layers of first use corrugated cardboard.
Explicación de la invenciónExplanation of the invention.
El pallet objeto de invención utiliza como materia prima principal recortes mezclados de cartón ondulado procedentes de la fragmentación de embalajes usados y desechados.The pallet object of the invention uses as main raw material mixed cuts of corrugated cardboard from the fragmentation of used and discarded packaging.
El pallet tiene una superficie de carga compuesta por un núcleo que tiene un recubrimiento superior y otro inferior que consisten en una lámina de papel de alta resistencia o en una plancha de cartón liso u ondulado adheridas al mismo. El núcleo está formado por recortes superpuestos de cartón ondulado que pueden ser de diversas calidades, espesores, tamaños, formas y resistencias que están orientados aleatoriamente en diversas direcciones y unidos entre sí mediante adhesivo hasta conseguir el espesor deseado. Los recortes son planos y quedan posicionados en diversas capas de forma paralela o casi paralela a la superficie de carga, dejando espacios huecos entre sí. Los recortes resultan compactados parcialmente al formar el núcleo del tal forma que conservan parte del ondulado original, quedando entrelazados entre sí cuando quedan unos encima de otros. Para un mejor aprovechamiento del cartón usado, los recortes tendrán preferiblemente una forma cuadrada o rectangular, aunque es válida cualquier forma geométrica plana.The pallet has a loading surface composed of a core that has an upper and a lower covering consisting of a sheet of high-strength paper or a plain or corrugated cardboard sheet attached to it. The core is formed by superimposed cuts of corrugated cardboard that can be of different qualities, thicknesses, sizes, shapes and resistances that are randomly oriented in different directions and joined together by adhesive until the desired thickness is achieved. The cuts are flat and are positioned in several layers parallel or almost parallel to the loading surface, leaving hollow spaces with each other. The cuts are partially compacted by forming the core in such a way that they retain part of the original wavy, being interwoven with each other when they are on top of each other. For a better use of the cardboard used, the cutouts will preferably have a square or rectangular shape, although any flat geometric shape is valid.
Las caras superior e inferior del núcleo son lisas para permitir un correcto pegado del recubrimiento en ambas superficies.The upper and lower faces of the core are smooth to allow a correct bonding of the coating on both surfaces.
Las ventajas que presenta este pallet respecto a otros pallets de cartón o madera son una mayor ligereza proporcionada por el uso de cartón corrugado y por los huecos que quedan entre los recortes que forman el núcleo, un menor coste de fabricación al utilizar como materia prima principal material de desecho en lugar de panchas de cartón fabricadas ex profeso, un menor impacto ambiental al evitar un ciclo completo de reciclado en fábrica para producir planchas de cartón y la posibilidad de automatizar la fabricación de la superficie de carga utilizando una línea de alimentación continua combinada con un sistema de rociado de adhesivo, un sistema de compactado mediante rodillos o similar, un sistema de aplicación de un recubrimiento continuo en rollo y un sistema automático de corte. Además, al quedar los recortes entrelazados, se incrementa la resistencia a flexión del núcleo, por lo que pueden conseguirse espesores más reducidos que en otro tipo de pallets. The advantages of this pallet over other pallets of cardboard or wood are a greater lightness provided by the use of corrugated cardboard and the gaps that remain between the cuts that form the core, a lower manufacturing cost when used as the main raw material waste material instead of cardboard pancakes manufactured ex profeso, a lower environmental impact by avoiding a full cycle of factory recycling to produce cardboard sheets and the possibility of automating the manufacturing of the loading surface using a combined continuous feed line with an adhesive spray system, a roller compacting system or the like, a continuous roll coating application system and an automatic cutting system. In addition, as the interlocking cuts remain, the flexural strength of the core is increased, so that smaller thicknesses can be achieved than in other types of pallets.
El sistema de fabricación resulta igualmente ventajoso al ser posible el vertido aleatorio de los recortes, que caerán y volcarán por gravedad para quedar en posición horizontal hasta alcanzar el espesor deseado.The manufacturing system is equally advantageous as random pouring of the cuts is possible, which will fall and tip over by gravity to remain horizontal until the desired thickness is reached.
Breve descripción de los dibujosBrief description of the drawings
En la figura I se representa una pallet de cartón reutilizado con un recubrimiento (4) superior y otro inferior y un núcleo (2) formado por recortes (3) de diversas formas orientados aleatoriamente y superpuestos en capas.A reused cardboard pallet with a top and bottom liner (4) and a core (2) formed by cutouts (3) of various randomly oriented shapes and superimposed on layers is shown in Figure I.
En la figura 2 se representa la superficie de carga (1) de un pallet de cartón reutilizado que tiene en su cara inferior unos hundimientos (5) en los que irán alojadas las patas y unas cantoneras (7) en las caras laterales de la superficie de carga (1).Figure 2 shows the loading surface (1) of a reused cardboard pallet that has sinks (5) on its underside in which the legs and corners (7) will be housed on the surface's side faces loading (1).
En la figura 3 se representa un recubrimiento (4) de cartón ondulado que tiene unas perforaciones (6) en los que irán alojadas las patas.Figure 3 shows a corrugated cardboard covering (4) having perforations (6) in which the legs will be housed.
Exposición detallada de un modo de realizaciónDetailed presentation of an embodiment
A continuación se describen la superficie de carga (1) y las patas del pallet, así como diversas posibilidades de unión de las patas a la superficie de carga (1).Next, the loading surface (1) and the pallet legs are described, as well as various possibilities for joining the legs to the loading surface (1).
Las patas del pallet pueden ser de cualquier tipo conocido, tal como patas huecas o macizas de cartón de sección rectangular, cuadrada o circular.The pallet legs can be of any known type, such as hollow or solid cardboard legs of rectangular, square or circular section.
La superficie de carga (1) del pallet puede ser cuadrada o rectangular y está formada por un núcleo (2) que tiene adheridas en su cara inferior y superior unas láminas de papel o unas planchas de cartón a modo de recubrimiento (4) que sirven para proporcionar a la superficie de carga (1) un correcto acabado visual, evitando que queden a la vista los diversos colores y rotulaciones y textos impresos de los recortes (3). Además, la combinación de los recubrimientos (4) superior e inferior con un núcleo (2) del espesor suficiente proporciona a la superficie de carga (1) una gran resistencia a flexión.The loading surface (1) of the pallet can be square or rectangular and is formed by a core (2) that has paper sheets or cardboard sheets as a coating (4) attached to its lower and upper face. to provide the loading surface (1) with a correct visual finish, preventing the display of the various colors and markings and printed texts of the cutouts (3). In addition, the combination of the upper and lower coatings (4) with a core (2) of sufficient thickness gives the loading surface (1) a great flexural strength.
Los recortes (3) que conforman el núcleo (2) están orientados de forma desordenada para facilitar el proceso de fabricación, el cual puede consistir en el vertido aleatorio en el interior de las capas superior e inferior del recubrimiento (4) de recortes (3) rociados con adhesivo sobre un molde o sobre una línea de alimentación, así como para dar uniformidad a la resistencia a flexión del pallet, evitando que las aristas de varios recortes (3) queden alineadas o superpuestas formando zonas débiles.The cuts (3) that make up the core (2) are oriented in a disorderly manner to facilitate the manufacturing process, which may consist of random pouring into the upper and lower layers of the cover (4) of cuts (3) ) sprayed with adhesive on a mold or on a feed line, as well as to give uniformity to the flexural strength of the pallet, preventing the edges of several cuts (3) from being aligned or overlapping forming weak areas.
Para conseguir que el núcleo (2) disponga de un espesor uniforme y de una superficie lisa en ambas caras que facilite el pegado de las láminas de recubrimiento (4) se realizará un compactado parcial del núcleo (2) mediante rodillos o moldes que afecte principalmente a las caras superior e inferior del núcleo (2). Este compactado servirá igualmente para que haya un mejor contacto entre los recortes (3) superpuestos que facilite el pegado de los mismos.To ensure that the core (2) has a uniform thickness and a smooth surface on both sides that facilitates the bonding of the cover sheets (4), a partial compaction of the core (2) will be carried out using rollers or molds that mainly affect to the upper and lower faces of the core (2). This compaction will also serve to have a better contact between the overlapping cuts (3) that facilitates the bonding of the same.
El proceso de compactado podrá realizarse antes o después de colocar los recortes (3) entre las láminas de recubrimiento (4) y se podrá facilitar utilizando un adhesivo con un elevado porcentaje de agua que ablande las zonas más exteriores para una mejor uniformidad de la superficie, así como para un mejor contacto entre los recortes (3).The compacting process can be carried out before or after placing the cuts (3) between the cover sheets (4) and can be facilitated using an adhesive with a high percentage of water that softens the outermost areas for a better surface uniformity , as well as for a better contact between the cuts (3).
A continuación se describe una posibilidad de realización en el que la cara inferior de la superficie de carga (1) es completamente lisa. Las patas pueden consistir en apoyos puntuales de sección cuadrada o redonda, en cuyo caso el pallet tendrá cuatro entradas para su manipulación, o pueden ser de sección rectangular, de longitud igual a uno de los lados de la superficie de carga (1), para formar pallets con dos entradas. En ambos casos las patas se encuentran adheridas a la superficie de carga (1).The following describes an embodiment in which the lower face of the loading surface (1) is completely smooth. The legs can consist of point supports of square or round section, in which case the pallet will have four entrances for its handling, or they can be of rectangular section, of length equal to one of the sides of the loading surface (1), to form pallets with two entrances. In both cases the legs are attached to the loading surface (1).
Una segunda posibilidad de realización consiste en una pallet cuya superficie de carga (1) dispone en su cara inferior de unos hundimientos (5) en los que quedan alojadas y adheridas las patas.A second possibility of realization consists of a pallet whose loading surface (1) has subsidence (5) on its lower face in which the legs are housed and attached.
El pallet puede disponer igualmente de unas perforaciones (6) en el recubrimiento (4) inferior de cartón ondulado en las que quedan insertadas las patas. Los hundimientos (5) o las perforaciones de (6) están dispuestos para facilitar el montaje de las patas y para incrementar la resistencia de las mismas frente a golpes laterales.The pallet can also have perforations (6) in the bottom (4) of corrugated cardboard in which the legs are inserted. The sinks (5) or the perforations of (6) are arranged to facilitate the assembly of the legs and to increase the resistance of the same against lateral blows.
En todos los casos el pallet puede presentar un recubrimiento (4) adicional consistente en una lámina de papel o cartón liso u ondulado adherido externamente al recubrimiento (4) del núcleo (2) que proporcionará resistencia adicional a la flexión y un mejor acabado visual.In all cases, the pallet may have an additional coating (4) consisting of a sheet of plain or corrugated paper or cardboard adhered externally to the coating (4) of the core (2) that will provide additional resistance to bending and a better visual finish.
La fabricación de superficies de carga (1) con doble recubrimiento (4) proporciona una gran ventaja cuando se usan adhesivos con un gran porcentaje de agua para pegar el núcleo (2) ya que el contacto entre ambas láminas se producirá en una superficie seca, mejorando la resistencia de la unión.The manufacture of double-coated loading surfaces (1) (4) provides a great advantage when adhesives with a large percentage of water are used to glue the core (2) since the contact between both sheets will occur on a dry surface, improving the strength of the joint.
En todos los casos las láminas de recubrimiento (4) pueden cubrir también las caras laterales del núcleo (2) para proporcionar una mayor resistencia y un mejor acabado.In all cases the cover sheets (4) can also cover the side faces of the core (2) to provide greater strength and a better finish.
En todos los casos el pallet puede disponer de cantoneras (7) adheridas a las caras laterales de la superficie de carga (1). Las cantoneras (7) pueden tener forma rectangular, coincidente con las caras laterales, o pueden tener forma de "U”, de tal forma que el lado central de la "U” coincide con las caras laterales del núcleo (2) y los lados laterales de la "U” se encuentran adheridos a las capas superior e inferior del núcleo (2). Las cantoneras (7) podrán quedar por encima o por debajo de las láminas de recubrimiento (4) del pallet.In all cases, the pallet can have corners (7) attached to the side faces of the loading surface (1). The corners (7) may have a rectangular shape, coinciding with the lateral faces, or they may have a "U" shape, such that the central side of the "U" coincides with the lateral faces of the core (2) and the sides "U" sides are attached to the upper and lower layers of the core (2). The corners (7) may be above or below the cover sheets (4) of the pallet.
En todos los casos se puede incorporar un proceso de grapado del núcleo (2) con los recubrimientos (4) que mejore el proceso de pegado al ejercer presión durante el secado del adhesivo, pudiendo disponer cada superficie de carga (1) de varias grapas.In all cases, a stapling process of the core (2) can be incorporated with the coatings (4) that improves the bonding process by exerting pressure during the drying of the adhesive, each loading surface (1) being able to arrange several staples.
En todos los casos el núcleo (2) puede tener una lámina intermedia (8) del tamaño de la superficie de carga (1) que está posicionada a medio espesor y que contribuye a la mejora del pegado de los recortes (3) al tapar algunos huecos.In all cases, the core (2) can have an intermediate sheet (8) of the size of the loading surface (1) that is positioned at medium thickness and that contributes to the improvement of the bonding of the cuts (3) by covering some gaps
En todos los casos los recortes (3) podrán presentarse en formas, tamaños y calidades iguales o diferentes. In all cases the cuts (3) may be presented in the same or different shapes, sizes and qualities.
Claims (12)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201700721A ES2706204B2 (en) | 2017-09-27 | 2017-09-27 | Reused cardboard pallet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201700721A ES2706204B2 (en) | 2017-09-27 | 2017-09-27 | Reused cardboard pallet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2706204A1 ES2706204A1 (en) | 2019-03-27 |
| ES2706204B2 true ES2706204B2 (en) | 2020-02-10 |
Family
ID=65999764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES201700721A Expired - Fee Related ES2706204B2 (en) | 2017-09-27 | 2017-09-27 | Reused cardboard pallet |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES2706204B2 (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH558741A (en) * | 1974-02-21 | 1975-02-14 | Vecere Philip J | Disposable pallet made from cardboard layers - has flat load-carrying plate supported on four footrests |
| GB2127773B (en) * | 1982-10-07 | 1986-07-16 | Redditch Packaging Products Li | Pallets |
| JPS62111837U (en) * | 1985-12-28 | 1987-07-16 | ||
| CA2070584A1 (en) * | 1991-06-14 | 1992-12-15 | Henry L. Liebel | Composite article made from used or surplus corrugated boxes |
| US5543205A (en) * | 1991-06-14 | 1996-08-06 | Corrcycle, Inc. | Composite article made from used or surplus corrugated boxes or sheets |
| US5413662A (en) * | 1993-03-15 | 1995-05-09 | Skinner, Iii; Larkin P. | Assembly of corrugated panels into a web and manufacture of pallets therefrom |
| ES1048486Y (en) * | 2001-01-19 | 2001-12-16 | Crevillen Munoz Joaquin | PERFECTED CARTON PALLET. |
| US8146516B2 (en) * | 2008-03-28 | 2012-04-03 | Oria Collapsibles, Llc | Structural supporting substrate incorporated into a composite and load supporting platform |
| SE536128C2 (en) * | 2011-10-18 | 2013-05-21 | Lpi Light Panel Innovation Ab | Process for manufacturing sheet-shaped sandwich material with corrugated cardboard and hardened chipboard surface layers |
-
2017
- 2017-09-27 ES ES201700721A patent/ES2706204B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ES2706204A1 (en) | 2019-03-27 |
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