DE10141572A1 - High impact resistant plastic edge protection strip for packages comprises film-faced foam or hollow chambered sheet grooved to form integral hinges and has adhesive coating on foldable side edges - Google Patents

High impact resistant plastic edge protection strip for packages comprises film-faced foam or hollow chambered sheet grooved to form integral hinges and has adhesive coating on foldable side edges

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Publication number
DE10141572A1
DE10141572A1 DE10141572A DE10141572A DE10141572A1 DE 10141572 A1 DE10141572 A1 DE 10141572A1 DE 10141572 A DE10141572 A DE 10141572A DE 10141572 A DE10141572 A DE 10141572A DE 10141572 A1 DE10141572 A1 DE 10141572A1
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DE
Germany
Prior art keywords
edge protection
protection strip
strip according
cover layers
adhesive
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.)
Withdrawn
Application number
DE10141572A
Other languages
German (de)
Inventor
Erwin Reineke
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Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to DE10141572A priority Critical patent/DE10141572A1/en
Publication of DE10141572A1 publication Critical patent/DE10141572A1/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/32Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed at least two layers being foamed and next to each other
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001Combinations of extrusion moulding with other shaping operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D81/00Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/02Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B65D81/05Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
    • B65D81/053Corner, edge or end protectors
    • B65D81/054Protectors contacting two generally perpendicular surfaces of the packaged article, e.g. edge protectors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D81/00Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/02Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B65D81/05Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
    • B65D81/053Corner, edge or end protectors
    • B65D81/055Protectors contacting three surfaces of the packaged article, e.g. three-sided edge protectors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001Combinations of extrusion moulding with other shaping operations
    • B29C48/0012Combinations of extrusion moulding with other shaping operations combined with shaping by internal pressure generated in the material, e.g. foaming
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001Combinations of extrusion moulding with other shaping operations
    • B29C48/0019Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07Flat, e.g. panels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07Flat, e.g. panels
    • B29C48/08Flat, e.g. panels flexible, e.g. films
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037Other properties
    • B29K2995/0091Damping, energy absorption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00Flat articles, e.g. films or sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/22Hinges, pivots
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00Condition, form or state of the layers or laminate
    • B32B2305/02Cellular or porous
    • B32B2305/022Foam
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2581/00Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D2581/02Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B65D2581/05Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
    • B65D2581/051Details of packaging elements for maintaining contents at spaced relation from package walls, or from other contents
    • B65D2581/052Materials
    • B65D2581/055Plastic in general, e.g. foamed plastic, molded plastic, extruded plastic

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Buffer Packaging (AREA)

Abstract

The plastic material is a foamed or hollow chambered sheet with outer facing layers covered on both faces by film layers. Straight grooves are pressed into the sheet so that a plastic hinge(4,5) is formed. Adhesive(8) is applied to areas(6,7) of one or both film layers outside the hinges. An Independent claim is made for a process for manufacturing an edge protection strip in which a foamed or hollow chambered strip is extruded and then passed through a narrow gap between the wedge-shaped profiles of two axially parallel grooving discs(20,22) to produce hinge-forming grooves. Gap width is approximately the thickness of the two facing layers. Adhesive coatings are covered by a removable protective film(9). Adhesive coated areas lie between a plastic hinge and the side strip edge and are folded with the protective film around the hinge onto the film layer. Film areas in contact with the adhesive are coated with an anti-adhesion material. The edge protection strip with folded over side edges is either rolled up or stacked in a protective film.

Description

Die Erfindung betrifft Kantenschutzprofilstreifen aus Kunststoffmaterial und ein Herstellverfahren dafür. The invention relates to edge protection profile strips Plastic material and a manufacturing process therefor.

Es sind Kantenschutz-Winkelprofilstücke aus Kunststoffschaum- Material bekannt, die insbesondere als Unterlagen für Verpackungsgurte zum Schutz der Objektkante und des Gurtes verwendet werden. There are edge protection angle profile pieces made of plastic foam Known material, especially as documentation for Packing straps to protect the edge of the object and the belt be used.

Weiterhin sind Winkelprofilstreifen aus Pappe oder Kunststoff bekannt, die als Kantenbelag von auf Paletten gestapelter und vergurteter Ware oder zur Kantenauslegung in Kartons, Kisten oder dgl. genutzt werden. Furthermore, angular profile strips are made of cardboard or plastic known as the edge covering of stacked on pallets and taped goods or for laying edges in boxes, crates or Like. Be used.

Die Herstellung und Lagerung der Profilware ist verhältnismäßig aufwendig und platzbeanspruchend und deren Handhabung ist unpraktisch, da sie am Objekt keinen Halt hat, wenn die Gurte angelegt werden oder das Objekt in den Karton eingesetzt wird. Außerdem haben die massiven Kunststoff- oder Pappwinkel nur eine geringe Stoßdämpferwirkung. The manufacture and storage of the profiled goods is proportionate is complex and takes up space and their handling is impractical because it has no hold on the object when the straps created or the object is inserted into the box. In addition, the solid plastic or cardboard angles have only one low shock absorber effect.

Es ist Aufgabe der Erfindung, neuartige Kantenschutzstreifen zu schaffen, die eine höhere Stoßdämpfung aufweisen und leichter zu lagern sowie zu handhaben sind und ein einfaches Herstellverfahren dafür anzugeben. It is an object of the invention to provide novel edge protection strips create that have higher shock absorption and easier to store and handle and a simple manufacturing process to indicate for it.

Die Lösung besteht darin, daß das Kunststoff-Material ein Schaum- und Hohlkammermaterial ist, das geschlossene folienartige Deckschichten aufweist, die entlang mindestens einer geraden Linie unter weitgehender Verdrängung des inneren Schaumstoffmaterials - oder Hohlkammer - nutartig zusammengedrückt sind, so daß dort ein Kunststoffscharnier ausgebildet ist, und daß mindestens eine der Deckschichten mindestens einen Bereich aufweist, der mit einem Haftklebstoff beschichtet ist. The solution is that the plastic material is a foam and is hollow chamber material, the closed film-like Has cover layers along at least one straight line while largely displacing the inner foam material - or hollow chamber - are pressed together like a groove, so that there a plastic hinge is formed, and that at least one of the cover layers has at least one area which corresponds to a Pressure sensitive adhesive is coated.

Vorteilhafte Ausgestaltungen sind in den Unteransprüchen angegeben. Advantageous configurations are in the subclaims specified.

Die Dämpfung eines Schaumstoffmaterials läßt sich bekanntlich durch dessen Dicke und Dichte sowie die Materialauswahl bestimmen. Beispielsweise beträgt die Dicke 1-2 mm bei Schaumstoff, der Porenanteil 5-20% und die Dicke der Deckschichten 0,1-0,2 mm. Das mit Hohlkammern oder Kanälen extrudierte Material hat beispielsweise 0,1-0,2 mm dicke Deck- und Stützwände und eine Dicke von 1-2 mm. The damping of a foam material is known to be determine by its thickness and density as well as the choice of material. For example, the thickness is 1-2 mm for foam that Pores 5-20% and the thickness of the outer layers 0.1-0.2 mm. The material extruded with hollow chambers or channels for example 0.1-0.2 mm thick top and retaining walls and one Thickness of 1-2 mm.

Als Material eignen sich PVC, PE, PP, PU oder andere Kunststoffe, die jeweils so zu schäumen sind, daß sie geschlossene, folienartige Oberflächen aufweisen. Soweit thermoplastischer Kunststoff verwendet wird, läßt sich Recyclingmaterial einsetzen. Entsprechend der jeweiligen Anforderung empfiehlt es sich, etwa 5-20%, insbesondere 10%, Kautschukgranulat den geschredderten Thermoplasten zuzusetzen. Suitable materials are PVC, PE, PP, PU or other plastics, which are each to be foamed so that they are closed, have film-like surfaces. So far thermoplastic If plastic is used, recycling material can be used. According to the respective requirement, it is recommended to use approximately 5-20%, especially 10%, rubber granulate the shredded Add thermoplastics.

Die Nutungen entlang des Scharniers erfolgen etwa keilförmig mit einem Winkel von beispielsweise 60-90° divergierend. The grooves along the hinge are approximately wedge-shaped diverging at an angle of, for example, 60-90 °.

Die Deckschichten lassen sich je nach Bedarf in bekannter Weise glatt oder leicht strukturiert ausbilden, wodurch die Haftung am Objekt oder am Verpackungsmaterial geeignet zu gestalten ist. The cover layers can be made in a known manner as required train smooth or slightly structured, whereby the adhesion to Object or packaging material is to be designed appropriately.

Bevorzugt sind die mit Haftklebstoff beschichteten Bereiche entlang der Streifenränder und parallel zu dem Scharnier oder den Scharnieren ausgebildet, so daß die Streifen mit den Scharnieren über Objektkanten gelegt und mit den Haftklebstreifen daran befestigt werden können. Wird der Streifen in ein Behältnis eingesetzt, so wird das Scharnier in dessen Kantenbereich gedrückt und der Haftstreifen an der Behälterwand angedrückt und so fixiert. The areas coated with pressure sensitive adhesive are preferred along the strip edges and parallel to the hinge or the Hinges formed so that the strips with the hinges placed over the edges of objects and with the adhesive strips on them can be attached. The strip is placed in a container inserted, the hinge is pressed in its edge area and the adhesive strip pressed against the container wall and so fixed.

Die Klebstoffschicht ist vorteilhaft doppelseitig klebend und mit einer Schutzfolie einseitig bedeckt, die vor der Applikation entfernt wird. The adhesive layer is advantageously double-sided and adhesive a protective film that is covered on one side before application Will get removed.

Statt einer gesonderten Schutzfolie läßt sich eine Antihaftschicht bezüglich des Scharniers symmetrisch zum Klebstoffbereich auf die benachbarte Deckschicht aufbringen. Die beiden Bereiche lassen sich dann um das Scharnier zusammenfalten und gestapelt oder aufgerollt verpackt lagern. Durch Auffalten des Scharniers ist später die Haftklebstoffschicht freigelegt und einsatzbereit. Instead of a separate protective film, an anti-stick layer can be used with respect to the hinge symmetrical to the adhesive area on the Apply the adjacent top layer. Let the two areas then fold up around the hinge and stacked or store rolled up packed. By unfolding the hinge later the PSA layer is exposed and ready for use.

Das neuartige Herstellverfahren besteht darin, daß das streifenförmige Hohlkammer- oder Schaumstoffmaterial nach dem Extrudieren durch ein Paar von keilförmig profilierten, mit engem Spalt einander gegenüberstehenden drehbar gelagerten Scheiben hindurchgefördert wird, so daß in dem Spalt praktisch nur die Deckschichten des Kunststoffmaterials verbleiben und diese sich von dort aus nutartig erweiternd bis zur Originaldicke des Kunststoffmaterials erstrecken. Falls mit Kanälen extrudiertes Material durch die Nutscheiben gefördert wird, werden die Deckwandungen verformt und dadurch gelenkig zum Scharnier. The novel manufacturing process is that strip-shaped hollow chamber or foam material after the Extrude through a pair of wedge-shaped, narrow Gap opposite rotatably mounted discs is conveyed through, so that practically only the Cover layers of the plastic material remain and these themselves thence expanding from there to the original thickness of the Extend plastic material. If extruded with channels Material is conveyed through the grooved washers Top walls deformed and thus articulated to the hinge.

Der Durchlauf des Streifens zwischen den Scheiben erfolgt vorteilhaft dann, bzw. an der Stelle der Abförderung aus dem Extruder, wenn bzw. wo die äußeren Schichten bereits durch Abkühlung verfestigt sind und der Kern sich noch im erweichten Zustand befindet, so daß er sich ohne weiteres seitlich verdrängen läßt. The strip passes between the panes then advantageous, or at the point of removal from the Extruder if or where the outer layers are already through Cooling are solidified and the core is still softening Condition is so that it can easily displace laterally leaves.

Vorteilhafte Ausgestaltungen und Anwendungen sowie Herstellmittel zeigen Fig. 1-7. FIGS. 1-7 show advantageous configurations and applications as well as manufacturing means.

Fig. 1 zeigt einen Querschnitt und Abschnitt eines Rohlings aus Schaumstoffmaterial; Fig. 1 shows a cross section and section of a blank made of foam material;

Fig. 2 zeigt eine Vorrichtung zur Bildung zweier Scharniere; Fig. 2 shows a device for forming two hinges;

Fig. 3A zeigt den Schutzstreifen mit zwei Scharnieren; Fig. 3A shows the protective strip with two hinges;

Fig. 3B zeigt den Schutzstreifen mit Klebstreifenauflagen; Fig. 3B shows the protective strip with Klebstreifenauflagen;

Fig. 3C zeigt den Schutzstreifen mit Klebstreifenauflagen und gefaltet; Fig. 3C shows the protective strip with adhesive tape pads and folded;

Fig. 3D zeigt den Schutzstreifen mit Klebstreifenauflagen, gefaltet sowie verpackt im Stapel; Fig. 3D shows the protective strip with adhesive tape pads, folded and packed in a stack;

Fig. 4 zeigt einen Querschnitt eines kanaldurchzogenen Schutzstreifens; Fig. 4 shows a cross section of a channeled protective strip;

Fig. 5 zeigt einen vergrößerten Ausschnitt dazu; Fig. 5 shows an enlarged detail thereof;

Fig. 6 und Fig. 7 zeigen Anwendungsbeispiele der Schutzstreifen. Fig. 6 and Fig. 7 show application examples of the protective strip.

Fig. 1 zeigt einen Rohling eines Kantenschutzstreifens, der aus einem geschäumten Kern 1 aus Kunststoff besteht, auf dem folienartige dünne Deckschichten 2, 3 beidseitig ausgebildet sind. Fig. 1 shows a blank of an edge protection strip, which consists of a foamed core 1 made of plastic, on the film-like thin cover layers 2 , 3 are formed on both sides.

Fig. 2 zeigt eine Vorrichtung zur Einbringung von Scharnierbereichen 4, 5 in den Schutzstreifen. Es sind jeweils mit Nutkanten 21, 23 eng gegenüberstehende keilförmig profilierte Nutscheiben 20, 22; 24, 25 auf in Lagern 28, 29 drehbar gelagerten Wellen 30, 31 angeordnet. Zwischen den Nutkanten 21, 23 passen nur die Deckschichten 2, 3 hindurch und das innere Material wird verdrängt. Fig. 2 shows a device for the introduction of hinge portions 4, 5 in the protective strip. There are each with groove edges 21 , 23 closely opposed wedge-shaped profiled washers 20 , 22 ; 24 , 25 arranged on shafts 30 , 31 rotatably mounted in bearings 28 , 29 . Only the cover layers 2 , 3 fit through between the groove edges 21 , 23 and the inner material is displaced.

Die Wellen 30, 31 sind als Gewindestangen ausgebildet, so daß die Nutscheiben 20, 22; 24, 25 mit gekonterten Muttern 26, 27 beliebig zu der Streifenbreitenerstreckung positioniert werden können sowie in unterschiedlicher Zahl dort aktiv aufeinander eingestellt werden können. Außerdem lassen sich mit einer scharfen Fase hergerichtete Schneidscheiben darauf anordnen, so daß in einem Arbeitsgang Scharniernuten und Streifen geschnitten werden können. The shafts 30 , 31 are designed as threaded rods, so that the grooved disks 20 , 22 ; 24 , 25 with locked nuts 26 , 27 can be positioned as desired to the strip width extension and can be actively adjusted to one another in different numbers there. In addition, cutting discs prepared with a sharp bevel can be arranged on it, so that hinge grooves and strips can be cut in one operation.

Fig. 3A zeigt einen mit zwei Nuten 4, 5 versehenen Schutzstreifen, dessen Mittelbereichsbreite auf die Dicke eines Objektes oder Objektstapels abgestimmt ist, das randseitig abgedeckt umschlossen werden soll. FIG. 3A shows a protective strip provided with two grooves 4 , 5 , the width of the central region of which is matched to the thickness of an object or stack of objects which is to be enclosed and covered at the edges.

Die umzuschlagenden Seitenstreifenbereiche 6, 7 sind, wie Fig. 3B zeigt, mit Klebstoffschichten 8 beschichtet, die mit abziehbaren Schutzfolien 9 abgedeckt sind. The side strip regions 6 , 7 to be folded over are coated with adhesive layers 8 , as shown in FIG. 3B, which are covered with removable protective films 9 .

Fig. 3C zeigt den Streifen mit entlang der Scharniere 4, 5 eingeschlagenen Seitenbereichen, und Fig. 3D zeigt solche Streifen gestapelt und mit einer Hülle 10 verpackt. Statt der Schutzfolie 9 kann auch eine Antihaftschicht auf der Deckschicht 2 des Mittelbereiches aufgebracht sein. FIG. 3C shows the strip with side areas folded in along the hinges 4 , 5 , and FIG. 3D shows such strips stacked and packed with a sleeve 10 . Instead of the protective film 9 , an anti-adhesive layer can also be applied to the cover layer 2 of the central region.

Fig. 4 zeigt einen mit Kanälen 14 durchzogenen Streifen, der aus folienartigen Deckflächen 2, 3 und dünnen Abstandsstegen 13 besteht. Die Kanäle 14 haben eine flache Rechteckform. Die Randstreifenbereiche 6, 7 sind, wie im anderen Beispiel, mit Haftklebstoff 8 belegt und parallel dazu erstrecken sich die eingedrückten Scharnierbereiche 4, 5. Fig. 4 shows a strip with channels 14 , which consists of film-like cover surfaces 2 , 3 and thin spacers 13 . The channels 14 have a flat rectangular shape. As in the other example, the edge strip regions 6 , 7 are covered with pressure-sensitive adhesive 8 and the pressed-in hinge regions 4 , 5 extend parallel to this.

Fig. 5 zeigt einen vergrößerten Ausschnitt des Hohlkammermaterials, dessen Deckwandungen 2, 3 entlang eines Kanals verformt sind, so daß sie ein Scharnier bilden. Statt des rechteckigen Kanalverschnitts sind je nach Anwendungsfall auch dreieckige oder trapezförmige Kanalquerschnitte einzubringen, indem die Stützwände wechselweise geneigt gestellt sind. Dies erbringt eine erhöhte Knickstabilität insbesondere gegen eine Querkomponente einer einwirkenden Kraft. Fig. 5 shows an enlarged section of the hollow chamber material, the top walls 2 , 3 are deformed along a channel so that they form a hinge. Instead of the rectangular duct cut, depending on the application, triangular or trapezoidal duct cross-sections should also be used, in that the supporting walls are alternately inclined. This results in increased kink stability, in particular against a transverse component of an acting force.

Fig. 6 zeigt ein Beispiel einer Anwendung, bei dem Kantenschutzstreifen mit einem Scharnier 4 und einem Klebstoffstreifen 8 in Kartoninnenkanten eingeklebt sind. Da die genuteten Streifen eine leichte Tendenz zum Abflachen haben, genügt es, sie an einer Seite zum Haften zu bringen. Fig. 6 shows an example of an application in which edge protection strips with a hinge 4 and an adhesive strip 8 are glued into the inner edges of the cardboard. Since the grooved strips have a slight tendency to flatten, it is sufficient to make them stick to one side.

Ein weiteres Beispiel zeigt Fig. 7, wo kurze Winkelstreifenabschnitte 40 über Kanten eines Objektstapels und einer Palette angeheftet sind, über welche Gurte gespannt worden sind. Die Streifen lassen sich jederzeit leicht abnehmen und wiederverwenden oder wie das verbleibende Verpackungsmaterial sortenrein entsorgen. A further example is shown in FIG. 7, where short angle strip sections 40 are attached over edges of an object stack and a pallet, over which belts have been tensioned. The strips can be easily removed and reused at any time or, like the remaining packaging material, disposed of separately.

Claims (15)

1. Kantenschutzstreifen, die eine höhere Stoßdämpfung aufweisen und leichter zu lagern sowie zu handhaben sind, dadurch gekennzeichnet, daß das Kunststoff-Material ein Schaum- und Hohlkammermaterial ist, das geschlossene folienartige Deckschichten (2, 3) aufweist, die entlang mindestens einer geraden Linie unter weitgehender Verdrängung des inneren Schaumstoffmaterials (1) - oder Hohlkammer - nutartig zusammengedrückt sind, so daß dort ein Kunststoffscharnier (4, 5) ausgebildet ist, und daß mindestens eine der Deckschichten (2, 3) mindestens einen Bereich (6, 7) aufweist, der mit einem Haftklebstoff (8) beschichtet ist. 1. Edge protection strips, which have a higher shock absorption and are easier to store and handle, characterized in that the plastic material is a foam and hollow chamber material that has closed film-like cover layers ( 2 , 3 ) along at least one straight line while largely displacing the inner foam material ( 1 ) - or hollow chamber - are pressed together in a groove-like manner so that a plastic hinge ( 4 , 5 ) is formed there and that at least one of the cover layers ( 2 , 3 ) has at least one area ( 6 , 7 ) , which is coated with a pressure sensitive adhesive ( 8 ). 2. Kantenschutzstreifen nach Anspruch 1, dadurch gekennzeichnet, daß der Haftklebstoff (8) mit einer abziehbaren Schutzfolie (9) abgedeckt ist. 2. Edge protection strip according to claim 1, characterized in that the pressure sensitive adhesive ( 8 ) is covered with a removable protective film ( 9 ). 3. Kantenschutzstreifen nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Bereich (6, 7), der mit dem Haftklebstoff (8) beschichtet ist, sich zwischen einem Kunststoffscharnier (4, 5) und dem seitlichen Streifenrand befindet. 3. Edge protection strip according to claim 1 or 2, characterized in that the area ( 6 , 7 ), which is coated with the pressure sensitive adhesive ( 8 ), is located between a plastic hinge ( 4 , 5 ) and the side strip edge. 4. Kantenschutzstreifen nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß der Bereich (6, 7) mit dem Klebstoff (8) und ggf. der Schutzfolie (9) und das benachbarte Kunststoffscharnier (4, 5) bis auf die Deckschicht (2, 3) übergefaltet ist. 4. Edge protection strip according to one of the preceding claims, characterized in that the area ( 6 , 7 ) with the adhesive ( 8 ) and possibly the protective film ( 9 ) and the adjacent plastic hinge ( 4 , 5 ) except for the cover layer ( 2 , 3 ) is folded. 5. Kantenschutzstreifen nach Anspruch 4, dadurch gekennzeichnet, daß der Deckschichtbereich (2, 3) auf den der Haftklebstoff (8) übergefaltet wird, mit einem Antihaftmittel präpariert ist. 5. Edge protection strip according to claim 4, characterized in that the cover layer area ( 2 , 3 ) on which the pressure sensitive adhesive ( 8 ) is folded is prepared with a non-stick agent. 6. Kantenschutzstreifen nach Anspruch 4 oder 5, dadurch gekennzeichnet, daß er mit übergefaltetem Haftklebstoff (8) gerollt oder gestapelt in eine Schutzfolie (10) als Handelsgut verpackt ist. 6. Edge protection strip according to claim 4 or 5, characterized in that it is rolled or stacked with a folded pressure-sensitive adhesive ( 8 ) in a protective film ( 10 ) as a commodity. 7. Kantenschutzstreifen nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß die Hohlkammern (14) zwischen den Deckschichten (2, 3) mit rechteckigem, dreieckigen oder trapezförmigen Querschnitt ausgebildet sind, indem Stege (13) senkrecht oder wechselseitig seitlich geneigt zwischen den Deckschichten (2, 3) angeordnet sind. 7. Edge protection strip according to one of the preceding claims, characterized in that the hollow chambers ( 14 ) between the cover layers ( 2 , 3 ) are formed with a rectangular, triangular or trapezoidal cross-section by webs ( 13 ) perpendicular or mutually inclined laterally between the cover layers ( 2 , 3 ) are arranged. 8. Kantenschutzstreifen nach Anspruch 7, dadurch gekennzeichnet, daß die Stege (13) gleich dick oder dünner als die Deckschichten (2, 3) sind. 8. edge protection strip according to claim 7, characterized in that the webs ( 13 ) are the same thickness or thinner than the cover layers ( 2 , 3 ). 9. Kantenschutzstreifen nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß das Schaumstoffmaterial 5-20% Porenvolumenanteil aufweist. 9. edge protection strip according to one of claims 1 to 6, characterized in that the foam material 5-20% Has pore volume fraction. 10. Kantenschutzstreifen nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß die Deckschichten (2, 3) eine Dicke von 0,1-0,2 mm aufweisen. 10. Edge protection strip according to one of the preceding claims, characterized in that the cover layers ( 2 , 3 ) have a thickness of 0.1-0.2 mm. 11. Kantenschutzstreifen nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß das Kunststoffmaterial PVC, PE, PP, PU ist. 11. Edge protection strip according to one of the preceding claims, characterized in that the plastic material PVC, PE, PP, PU is. 12. Kantenschutzstreifen nach Anspruch 11, dadurch gekennzeichnet, daß das Kunststoffmaterial aus thermoplastisch geschreddertem Recyclingmaterial besteht, dem 5-20% Kautschukgranulat zugemengt ist. 12. Edge protection strip according to claim 11, characterized characterized in that the plastic material made of thermoplastic shredded recycling material, which 5-20% Rubber granulate is added. 13. Verfahren zur Herstellung von Kantenschutzstreifen gemäß einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß das Schaumstoff- oder Hohlkammermaterial streifenförmig extrudiert wird und danach zwischen achsparallel drehbar gelagerten Nutscheiben (20, 22) hindurchgefördert wird, die keilförmig profiliert und mit ihren Nutkanten (21, 23) einander gegenüberliegend auf eine enge Spaltweite eingestellt sind, die etwa der Dicke der beiden Deckschichten (2, 3) zusammen entspricht. 13. A process for the production of edge protection strips according to one of the preceding claims, characterized in that the foam or hollow chamber material is extruded in strip form and is then conveyed between groove disks ( 20 , 22 ) which are rotatably mounted axially parallel and which are profiled in a wedge shape and with their groove edges ( 21 , 23 ) are set opposite each other to a narrow gap width, which corresponds approximately to the thickness of the two cover layers ( 2 , 3 ) together. 14. Verfahren nach Anspruch 13, dadurch gekennzeichnet, daß das streifenförmige Schaumstoff- oder Hohlkammermaterial die Nutscheiben (20, 22) passiert, wenn die Deckschichten (2, 3) verfestigt und das dazwischenliegende Material noch erweicht ist. 14. The method according to claim 13, characterized in that the strip-shaped foam or hollow chamber material passes the grooved washers ( 20 , 22 ) when the cover layers ( 2 , 3 ) solidify and the intermediate material is still softened. 15. Verfahren nach Anspruch 12 oder 13, dadurch gekennzeichnet, daß mehrere Nutscheibenpaare (20, 22; 24, 25) auf parallelen Wellen (30, 31) jeweils passend zu vorgegebenen Lagern der Nuten (4, 5) auf den Materialstreifen beabstandet festgelegt werden. 15. The method according to claim 12 or 13, characterized in that a plurality of grooved washer pairs ( 20 , 22 ; 24 , 25 ) on parallel shafts ( 30 , 31 ) are each set to match the bearings of the grooves ( 4 , 5 ) spaced on the material strips ,
DE10141572A 2001-08-24 2001-08-24 High impact resistant plastic edge protection strip for packages comprises film-faced foam or hollow chambered sheet grooved to form integral hinges and has adhesive coating on foldable side edges Withdrawn DE10141572A1 (en)

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DE10141572A DE10141572A1 (en) 2001-08-24 2001-08-24 High impact resistant plastic edge protection strip for packages comprises film-faced foam or hollow chambered sheet grooved to form integral hinges and has adhesive coating on foldable side edges

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DE10141572A DE10141572A1 (en) 2001-08-24 2001-08-24 High impact resistant plastic edge protection strip for packages comprises film-faced foam or hollow chambered sheet grooved to form integral hinges and has adhesive coating on foldable side edges

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006110966A1 (en) * 2005-04-18 2006-10-26 Luiz Henrique Araujo Automatic system to transform flat straps into profiled edge protectors
DE202008006624U1 (en) 2008-05-15 2009-09-24 K.M.B. Klebetechnik Gmbh Edge protection tape for the protection of edges of multiple glass panes
EP2404734A1 (en) * 2010-06-29 2012-01-11 Papeteries Hamelin Making of sheets of at least two different thermoplastic materials and device for implementing the procedure
AT13977U1 (en) * 2012-09-20 2015-02-15 Gracher Kurt Shadow dispenser for drinks

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3580469A (en) * 1969-09-08 1971-05-25 Logistics Ind Corp Corner pad
DE2250125A1 (en) * 1972-10-13 1974-04-25 Bhs Bayerische Berg LONGITUDINAL CUTTING AND / OR CORRUGATING MACHINE FOR MOVING MATERIAL TRAILS, IN PARTICULAR FOR CORRUGATED BOARD TRACKS
GB2081678A (en) * 1980-08-11 1982-02-24 Trondex Ltd Folding protective corner pieces

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3580469A (en) * 1969-09-08 1971-05-25 Logistics Ind Corp Corner pad
DE2250125A1 (en) * 1972-10-13 1974-04-25 Bhs Bayerische Berg LONGITUDINAL CUTTING AND / OR CORRUGATING MACHINE FOR MOVING MATERIAL TRAILS, IN PARTICULAR FOR CORRUGATED BOARD TRACKS
GB2081678A (en) * 1980-08-11 1982-02-24 Trondex Ltd Folding protective corner pieces

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006110966A1 (en) * 2005-04-18 2006-10-26 Luiz Henrique Araujo Automatic system to transform flat straps into profiled edge protectors
DE202008006624U1 (en) 2008-05-15 2009-09-24 K.M.B. Klebetechnik Gmbh Edge protection tape for the protection of edges of multiple glass panes
EP2404734A1 (en) * 2010-06-29 2012-01-11 Papeteries Hamelin Making of sheets of at least two different thermoplastic materials and device for implementing the procedure
AT13977U1 (en) * 2012-09-20 2015-02-15 Gracher Kurt Shadow dispenser for drinks

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