EP0753469B1 - Moulded end wall - Google Patents

Moulded end wall Download PDF

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Publication number
EP0753469B1
EP0753469B1 EP96110553A EP96110553A EP0753469B1 EP 0753469 B1 EP0753469 B1 EP 0753469B1 EP 96110553 A EP96110553 A EP 96110553A EP 96110553 A EP96110553 A EP 96110553A EP 0753469 B1 EP0753469 B1 EP 0753469B1
Authority
EP
European Patent Office
Prior art keywords
stacking
end wall
plate
corners
wall according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP96110553A
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German (de)
French (fr)
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EP0753469A3 (en
EP0753469A2 (en
Inventor
Norbert Dipl.-Ing. Born
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Trespaphan GmbH and Co KG
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Trespaphan GmbH and Co KG
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Application filed by Trespaphan GmbH and Co KG filed Critical Trespaphan GmbH and Co KG
Publication of EP0753469A2 publication Critical patent/EP0753469A2/en
Publication of EP0753469A3 publication Critical patent/EP0753469A3/en
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Publication of EP0753469B1 publication Critical patent/EP0753469B1/en
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Classifications

    • 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
    • B65D85/00Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/67Containers, packaging elements or packages, specially adapted for particular articles or materials for web or tape-like material
    • B65D85/671Containers, packaging elements or packages, specially adapted for particular articles or materials for web or tape-like material wound in flat spiral form
    • B65D85/672Containers, packaging elements or packages, specially adapted for particular articles or materials for web or tape-like material wound in flat spiral form on cores
    • 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
    • B65D75/00Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/04Articles or materials wholly enclosed in single sheets or wrapper blanks
    • B65D75/14Articles or materials wholly enclosed in single sheets or wrapper blanks in sheets or blanks folded-up around all sides of the contents from a portion on which the contents are placed
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S206/00Special receptacle or package
    • Y10S206/821Stacking member

Definitions

  • the invention relates to an end wall made of moldable material for a winding roll with a rectangular plate with rounded corners, the Front of the winding roll facing a ring attachment on a smooth, level surface Has surface and the back facing away from the winding roller is stiffened by ribs, with four side walls that are perpendicular to the Run around the front of the plate and have different profiles.
  • the two end walls over the length of the winding roll by strapping held together.
  • an end wall is known, the circumferential Has side walls or edge webs that alternate with on their outer surfaces consisting of teeth and tooth gaps of the same length, width and height Profiling are provided.
  • the front of this front wall has one central integrated plug-in pins, but no locking cams near or at the corners of the front.
  • the end wall also has four locking cams close by the corners of the front of the bulkhead.
  • This well-known end wall can be used further, vertically aligned end walls are stacked on top of each other, however, the vertically aligned end walls can match the side walls not stacked side by side or on top of each other and in each other Brought into engagement or mutually locked. This means that by means of The wrapped rolls of the end walls are not easily stacked on top of each other can be because the stability of such a stack is not guaranteed is.
  • 91 976 is a one-piece end wall made of plastic known that stiffen from a square, or square, with radial webs flat plate.
  • an insertion pin for the winding material roll which is equipped with holding prisms, for example.
  • the plate is encased by a belt, on the outside of which small prismatic Strips are arranged.
  • the belt closes at the corners of the four plate free space between the winding material and the packaging jacket close to the outer end face open cup-shaped depressions and has an all-round stop bar, which is provided with teeth.
  • the End walls can interlock with each of their side walls without one certain pre-selection of the alignment of the side walls to each other an end wall is known from EP-B 0 332 186, in which each of the two groups of profiles of the side walls stack cams different Have lengths and cross sections, the stacking pockets are different Limit lengths and cross sections.
  • the stacking bags are complementary formed and arranged to the stacking cams, so that when side stacking and / or vertical stacking vertically aligned end walls the stacking cams and pockets of one side wall End wall seamlessly with the stacking pockets and cams on each of the four side walls another end wall can be joined together.
  • the front of the bulkhead is close to the with a central insertion pin and four locking cams Corners of the end wall.
  • a similar end wall is known from EP-A-0 535 481, in which at least one side wall of each end wall instead of stacking cams and stacking pockets has a corrugation that is interrupted along the length of the side wall of guide grooves in the side wall.
  • the back of the bulkhead is reinforced by bridges.
  • the individual corrugation of the corrugation has the shape of one in the Diagonal-cut prism, the cross section of the corrugation is triangular.
  • EP-A 0 522 450 describes an end wall in which at least one side wall the plate is formed by a flat surface. In the area of these levels Protrusions are arranged to prevent slipping one with the end walls packed winding roll on the planks of a wooden transport pallet prevent.
  • the protrusions can have the shape of tapering upwards possess geometric figures.
  • EP-A-0 601 494 discloses an end wall made of injection molding material for a winding roll known, which is a rectangular, in particular square, rounded Has plate with corner surfaces, the front of the winding roll facing has a central integrated plug-in pin and locking cam.
  • the back of the end wall pointing away from the winding roll is straight Retaining and ring ribs stiffened.
  • the front wall is with stacking cams that the Limit stacking pockets, equipped on the side walls.
  • the stacking bags are complementary to the stacking cams.
  • the front of the plate is equipped with a ring attachment that encloses the plug-in pin.
  • the outer diameter of the ring attachment is smaller than the edge length of the front wall and smaller than the diameter of the winding roll. Through the ring attachment is a contact of the edge areas of the winding roll with the front wall and associated sprain of the edge area of the winding roll avoided.
  • the object of the invention is to produce an inexpensive end wall To create plastic that is lighter than known end walls of the the same format, much more rigid and less sensitive to breakage than is comparable end walls and a safe, non-slip stacking of the with the Ensured wrapped rolls on wooden pallets.
  • an end wall of the one described above Kind of solved in such a way that two of the opposite Sidewalls are smooth and flat and that the remaining two, themselves opposite side walls are structured differently, the one side wall is continuous corrugation along the length of the side wall perpendicular to the front of the plate and the other side wall has stacking cams (31) and stacking pockets (10) and the stacking cams (31) a number of Have corrugations on the surface of each stacking cam and the stacking pockets (10) formally complementary corrugation-free Have stacked pockets with hollows.
  • each stacking corner of two projections exists, each of which has a triangular outline and which are opposite longest sides of the two triangular projections enclose a gap that is oblique to the outline edges of the front runs.
  • the columns of the stacking corners run along the plate diagonals.
  • the corners of the triangular projections rounded and the gap has a width that the thickness of the ribs on the Back of a plate corresponds. This ensures that when stacking two end walls with radial ribs on the back of the one plate in the column of the stacking corners of the other plate and this This locks the plate. Mainly through the smooth training of two Side walls of the front wall and by eliminating the central integrated Plug-in pin, as is common in the known end walls, becomes one considerable weight reduction achieved.
  • FIG. 1 As from the perspective view towards a front 2 one Front wall 1 can be seen in Fig. 1, two of the opposite Side walls 3 and 4 smooth and even, while the remaining two, themselves opposite side walls 5 and 6 are structured differently.
  • the four side walls are connected to one another via rounded corners 29.
  • the Front 2 consists of a rectangular plate 11 which has a ring attachment 23 and has a central insertion opening 21.
  • the front 2 of the front wall 1 faces a winding roller, not shown, while one of the winding roller back 20 facing away (see FIG. 2) to the outside of the winding roll points away.
  • One side wall 5 is continuous with corrugation 8 equipped, which runs perpendicular to the front 2 of the plate 11.
  • the troughs 12 exhibit on the other side wall 6 there is a number of corrugations 9 and more Complementally complementary, corrugated stacking pockets 10, the troughs 12 exhibit.
  • the opposite structured side walls 5 and 6 are interrupted by guide grooves 7, the strapping for the winding roll take up.
  • the guide grooves 7 extend perpendicular to the longitudinal edges of the side walls 5 and 6.
  • Each of these protrusions has a triangular shape and the opposite longest sides 16, 16 of these projections close with each other a gap 17 which is oblique to the outline edges of the front 2 runs.
  • the gaps 17 of the stack corners 13 extend along the plate diagonals of plate 11.
  • the outer dimensions of the end wall 1 are in the range of 700 mm x 700 to 760 mm and up to 1100 mm x 1200 mm and are preferably 800 mm x 860 to 880 mm.
  • the corners of the triangular projections 14 and 15 are rounded and the gap 17 has a width which corresponds to the thickness of the ribs 18, 19 shown in FIG. 2 on the rear side 20 corresponds to the plate 11.
  • the first embodiment according to FIG. 1 has one Insertion opening 21 with an axially extending corrugation 32, which extends in the longitudinal direction the insertion opening 21 at least over the height of a ring attachment 23 extends or over the total height of the insertion opening 21.
  • the perspective view of the second embodiment of the end wall 1 in Direction of the back 20 in Fig. 2 shows that the back 20 on the one hand reinforced by radial ribs 18, 19 and on the other hand by longitudinal ribs 30 which run parallel to the smooth side walls 3, 4 of the plate 11.
  • the left side wall 5 in Fig. 2 is equipped with continuous corrugation 8, while the opposite side wall 6 stacking pockets 10 and stacking nocks 31 has.
  • a circumferential corrugation is on from the insertion opening 21 the back 20 visible.
  • the guide grooves 7 for the strapping of a winding roll can be seen.
  • the ring attachment has an outer diameter that is smaller than the diameter of the winding roll to be packed and forms a gap between the End wall 1 and the outer edge of the winding roll, thereby upsetting the Cutting edge of the winding roll is prevented.
  • the end wall 1 has, in contrast to the state of the art, no integrated plug-in pin that the Wrapping roller carries, instead, a separate pin or cylinder through the Insertion opening 21 of the end wall inserted into the hollow axis of the winding roll. Such a pin has an elastic deformation under the action of a load on.
  • the end wall 1 has a essential radial and vertical rib structure, that of the one-sided load bearing serves.
  • the vertical rib structure results from the fact that in the operating position the end wall 1, the smooth side walls 3 and 4 and thus also the parallel ribs 30 are aligned vertically. Ribs also continue in the stacking pockets 10.
  • End walls are on an annular and horizontal rib structure for reasons a weight saving waived. Support the radial ribs 18 and 19 in the corners 29 of the end wall 1 and thus serve to minimize breakage in the event of a crash-related collision of the end wall 1 with the floor.
  • the stacking corners 13 of an end wall are divided around the ribs on it stacked end wall. The stacking corners are flat and large held and less likely to break than known raised stacking or Locking boss. The low height and the division of the stacking corners 13, the subsequently explained in more detail, enable direct stacking the end walls 1 and the formation of a very dense stack.
  • the stacking pockets 10 are only on the upper side wall 6 of the edgewise end wall 1, since only a maximum of two winding rolls are stacked on top of each other should be.
  • the side walls 3 and 4 are smooth trained, since a lateral toothing of end walls, especially in large winding rolls is not provided. Due to the loading height of transport vehicles is not a stack of more than two large winding rolls intended.
  • FIG. 3 The detail view in Fig. 3 of a section of the back 20 near one of the rounded corners 29 of the end wall 1 can be seen that in the back the plate 11 depressions 25, 26 are present, one with the projections 14, 15 of a stacking corner 13 have an outline of comparable size.
  • the projections grip from horizontally aligned end walls 14, 15 of the stacking corners 13 of one end wall because of their small size Do not insert height into the recesses 25, 26 of the overlying end wall.
  • the radially extending ribs 18 and 19 reach the rear of the an end wall with the columns 17 of the stacking corners 13 in engagement and ensure thereby a good locking of the end walls lying on top of each other.
  • the top view of the side wall 6 in FIG. 4 shows that through the guide grooves 7 separate sections of the side wall.
  • the stack cam 31 has a centrally arranged corrugation 9, on the left and right smooth surfaces 27, 28th connect.
  • Each stacking bag 10 has a centrally arranged trough 12, which the Corrugation 9 is opposite.
  • In the longitudinal direction of the side wall 6 alternate Stacking pockets 10 and stacking cams 31.
  • FIG 5 shows a perspective view of a section of the side wall 6 with the stacking cam 31 and the stacking pockets 10.
  • the central insertion opening 21 in Fig. 6 From the top view of the central insertion opening 21 in Fig. 6 it can be seen that this consists of a cylindrical section that runs along its circumferential surface is equipped with a circumferential corrugation 24.
  • the corrugation 24 extends itself at least about the height of the ring attachment 23, however also extend over the entire depth of the insertion opening 21.
  • the Corrugation 24 ensures a non-slip, vibration-free intervention accordingly corrugated pin in the insertion opening.
  • the stacking cams 31 are designed in such a way that their corrugations 9 the end wall when placed on a wooden pallet slip resistance to lend.
  • the corrugations 9 are in mesh with one another attached end wall sunk into the troughs 12 and do not hinder that Stacking the end walls.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Stackable Containers (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)

Description

Die Erfindung betrifft eine Stirnwand aus formbarem Material für eine Wickelrolle mit einer rechteckigen, abgerundete Eckflächen aufweisenden Platte, deren der Wickelrolle zugewandte Vorderseite einen Ringaufsatz auf einer glatten ebenen Fläche aufweist und deren nach außen von der Wickelrolle wegweisende Rückseite durch Rippen versteift ist, mit vier Seitenwänden, die rechtwinklig zu der Vorderseite der Platte umlaufen und unterschiedlich profiliert sind.The invention relates to an end wall made of moldable material for a winding roll with a rectangular plate with rounded corners, the Front of the winding roll facing a ring attachment on a smooth, level surface Has surface and the back facing away from the winding roller is stiffened by ribs, with four side walls that are perpendicular to the Run around the front of the plate and have different profiles.

Eine derartige einteilige Stirnwand aus Kunststoff oder einem sonstigen formbaren Werkstoff zur Verpackung von auf Aufwickelhülsen gewickeltem Wickelgut, beispielsweise Kunststoffolien, bildet mit einer zweiten dementsprechenden Stirnwand eine formsteife Gesamtverpackung einer Wickelrolle. Dabei werden die beiden Stirnwände über die Länge der Wickelrolle durch Umreifungsbänder zusammengehalten.Such a one-piece end wall made of plastic or another moldable Material for packaging winding material wound on winding tubes, for example plastic films, forms with a second corresponding end wall a dimensionally stable overall packaging of a winding roll. The two end walls over the length of the winding roll by strapping held together.

Aus dem Dokument DE-U 85 20 270 ist eine Stirnwand bekannt, die umlaufende Seitenwände bzw. Randstege besitzt, die an ihren Außenflächen mit einer abwechselnd aus Zähnen und Zahnlücken gleicher Länge, Breite und Höhe bestehenden Profilierung versehen sind. Zwei Gruppen solcher Profilierungen liegen in Querrichtung nebeneinander und sind symmetrisch zu einer, die Länge der Seitenwand halbierenden Ebene angeordnet, wobei sie etwa nur die halbe Länge einer Seitenwand einnehmen. Die Vorderseite dieser Stirnwand weist einen zentralen integrierten Einsteckzapfen auf, jedoch keine Arretiernocken nahe bzw. an den Ecken der Vorderseite. Eine praktische Ausführungsform dieser bekannten Stirnwand besitzt neben dem Einsteckzapfen noch vier Arretiernocken nahe den Ecken der Vorderseite der Stirnwand. Diese bekannte Stirnwand kann mit weiteren, vertikal ausgerichten Stirnwänden übereinandergestapelt werden, jedoch können die vertikal ausgerichteten Stirnwände mit den Seitenwänden nicht beliebig nebeneinander bzw. übereinandergestapelt und miteinander in Eingriff gebracht bzw. gegenseitig arretiert werden. Dies bedeutet, daß mittels der Stirnwände fertigverpackte Wickelrollen nicht ohne weiteres übereinandergestapelt werden können, da die Stabilität einer derartigen Stapelung nicht gewährleistet ist.From the document DE-U 85 20 270 an end wall is known, the circumferential Has side walls or edge webs that alternate with on their outer surfaces consisting of teeth and tooth gaps of the same length, width and height Profiling are provided. There are two groups of such profiles in the transverse direction side by side and are symmetrical to one, the length of the Side wall bisecting plane, being about half the length occupy a side wall. The front of this front wall has one central integrated plug-in pins, but no locking cams near or at the corners of the front. A practical embodiment of this known In addition to the plug-in pin, the end wall also has four locking cams close by the corners of the front of the bulkhead. This well-known end wall can be used further, vertically aligned end walls are stacked on top of each other, however, the vertically aligned end walls can match the side walls not stacked side by side or on top of each other and in each other Brought into engagement or mutually locked. This means that by means of The wrapped rolls of the end walls are not easily stacked on top of each other can be because the stability of such a stack is not guaranteed is.

Aus dem Dokument DE-U 19 91 976 ist eine einteilige Stirnwand aus Kunststoff bekannt, die aus einer viereckigen, bzw. quadratischen, mit Radialstegen versteiften ebenen Platte besteht. In der Mitte befindet sich ein Einsteckzapfen für die Wickelgutrolle, die beispielsweise mit Halteprismen ausgestattet ist. Die Platte wird von einem Gurt umhüllt, auf dessen Außenseite kleine prismenförmige Leisten angeordnet sind. Der Gurt schließt an den Ecken der Platte vier in den freien Hohlraum zwischen Wickelgut und Verpackungsmantel hineinragende, nahe der äußeren Stirnseite hin offene becherförmige Vertiefungen ein und besitzt eine umlaufende Anschlagleiste, die mit Zähnen versehen ist.From document DE-U 19 91 976 is a one-piece end wall made of plastic known that stiffen from a square, or square, with radial webs flat plate. In the middle there is an insertion pin for the winding material roll, which is equipped with holding prisms, for example. The plate is encased by a belt, on the outside of which small prismatic Strips are arranged. The belt closes at the corners of the four plate free space between the winding material and the packaging jacket close to the outer end face open cup-shaped depressions and has an all-round stop bar, which is provided with teeth.

Zur Verbesserung der gegenseitigen Arretierung von Stirnwänden mehrerer aufeinander und/oder nebeneinander gestapelter kompletter Rollen, wobei die Stirnwände mit jeder ihrer Seitenwände ineinandergreifen können, ohne daß eine bestimmte Vorauswahl der Ausrichtung der Seitenwände zueinander getroffen werden muß, ist aus der EP-B 0 332 186 eine Stirnwand bekannt, bei der jede der beiden Gruppen der Profilierungen der Seitenwände Stapelnocken unterschiedlicher Längen und Querschnitte aufweisen, die Stapeltaschen unterschiedlicher Längen und Querschnitte begrenzen. Dabei sind die Stapeltaschen komplementär zu den Stapelnocken ausgebildet und angeordnet, so daß beim seitlichen Zusammenstapeln und/oder vertikalen Übereinanderstapeln senkrecht ausgerichteter Stirnwände die Stapelnocken und -taschen einer Seitenwand einer Stirnwand fugenlos mit den Stapeltaschen und -nocken jeder der vier Seitenwände einer weiteren Stirnwand zusammenfügbar sind. Die Vorderseite der Stirnwand ist mit einem zentralen Einsteckzapfen und vier Arretiernocken nahe den Ecken der Stirnwand ausgestattet.To improve the mutual locking of end walls of several complete and / or stacked complete rolls, the End walls can interlock with each of their side walls without one certain pre-selection of the alignment of the side walls to each other an end wall is known from EP-B 0 332 186, in which each of the two groups of profiles of the side walls stack cams different Have lengths and cross sections, the stacking pockets are different Limit lengths and cross sections. The stacking bags are complementary formed and arranged to the stacking cams, so that when side stacking and / or vertical stacking vertically aligned end walls the stacking cams and pockets of one side wall End wall seamlessly with the stacking pockets and cams on each of the four side walls another end wall can be joined together. The front of the bulkhead is close to the with a central insertion pin and four locking cams Corners of the end wall.

Aus der EP-A-0 535 481 ist eine ähnliche Stirnwand bekannt, bei der zumindest eine Seitenwand jeder Stirnwand anstelle von Stapelnocken und Stapeltaschen eine Riffelung aufweist, die sich über die Länge der Seitenwand, unterbrochen von Führungsnuten in der Seitenwand, erstreckt. Die Rückseite der Stirnwand ist durch Stege verstärkt. Die einzelne Riffel der Riffelung hat die Gestalt eines in der Diagonalebene durchschnittenen Prismas, wobei der Querschnitt der Riffel dreiecksförmig ist.A similar end wall is known from EP-A-0 535 481, in which at least one side wall of each end wall instead of stacking cams and stacking pockets has a corrugation that is interrupted along the length of the side wall of guide grooves in the side wall. The back of the bulkhead is reinforced by bridges. The individual corrugation of the corrugation has the shape of one in the Diagonal-cut prism, the cross section of the corrugation is triangular.

Die EP-A 0 522 450 beschreibt eine Stirnwand, bei der mindestens eine Seitenwand der Platte von einer ebenen Fläche gebildet ist. Im Bereich dieser ebenen Fläche sind Vorsprünge angeordnet, die das Verrutschen einer mit den Stirnwänden verpackten Wickelrolle auf den Planken einer Transportpalette aus Holz verhindern. Die Vorsprünge können die Form von nach oben sich verjüngenden geometrischen Figuren besitzen.EP-A 0 522 450 describes an end wall in which at least one side wall the plate is formed by a flat surface. In the area of these levels Protrusions are arranged to prevent slipping one with the end walls packed winding roll on the planks of a wooden transport pallet prevent. The protrusions can have the shape of tapering upwards possess geometric figures.

Aus der EP-A-0 601 494 ist eine Stirnwand aus Spritzgußmaterial für eine Wickelrolle bekannt, die eine rechteckige, insbesondere quadratische, abgerundete Eckflächen aufweisende Platte besitzt, deren der Wickelrolle zugewandte Vorderseite einen zentralen integrierten Einsteckzapfen und Arretiernocken aufweist. Die von der Wickelrolle wegweisende Rückseite der Stirnwand ist durch gerade Halte- und Ringrippen versteift. Die Stirnwand ist mit Stapelnocken, die die Stapeltaschen begrenzen, auf den Seitenwänden ausgerüstet. Die Stapeltaschen sind komplementär zu den Stapelnocken geformt. Die Vorderseite der Platte ist mit einem Ringaufsatz ausgerüstet, der den Einsteckzapfen umschließt. Der Außendurchmesser des Ringaufsatzes ist kleiner als die Kantenlänge der Stirnwand und kleiner als der Durchmesser der Wickelrolle. Durch den Ringaufsatz wird ein Kontakt der Randbereiche der Wickelrolle mit der Stirnwand und eine damit einhergehende Verstauchung des Randbereiches der Wickelrolle vermieden. EP-A-0 601 494 discloses an end wall made of injection molding material for a winding roll known, which is a rectangular, in particular square, rounded Has plate with corner surfaces, the front of the winding roll facing has a central integrated plug-in pin and locking cam. The back of the end wall pointing away from the winding roll is straight Retaining and ring ribs stiffened. The front wall is with stacking cams that the Limit stacking pockets, equipped on the side walls. The stacking bags are complementary to the stacking cams. The front of the plate is equipped with a ring attachment that encloses the plug-in pin. The The outer diameter of the ring attachment is smaller than the edge length of the front wall and smaller than the diameter of the winding roll. Through the ring attachment is a contact of the edge areas of the winding roll with the front wall and associated sprain of the edge area of the winding roll avoided.

Die Kosten solcher Stirnwände aus Kunststoff für große Formate, die beispielsweise Abmessungen von 800 mm x 800 mm und größer aufweisen, sind hoch und darüberhinaus haben derartige großformatigen Wände eine hohes Gewicht. Aus Kostengründen werden bisher eingesetzte Stirnwände für Großrollen, die Durchmesser von 700 mm und mehr haben, aus Spanplatten gefertigt. Derartige Stirnwände sind gleichfalls sehr schwer und führen bei den Personen, die langfristig diese Stirnwände handhaben müssen, zu körperlichen Beschwerden.The cost of such plastic end walls for large formats, for example Having dimensions of 800 mm x 800 mm and larger are high and moreover, such large-format walls are very heavy. For cost reasons, end walls previously used for large rolls are the Have a diameter of 700 mm and more, made of chipboard. such Bulkheads are also very heavy and lead to long-term people these end walls have to handle, causing physical discomfort.

Von Nachteil ist auch, daß die Rücklieferquote der Stirnwände aus Spanplatten, im Gegensatz zu Stirnwänden aus Kunststoff sehr niedrig ist, da die Warenempfänger das Spanplattenmaterial dieser Stirnwände anderen Verwendungszwecken zuführen. Durch unsachgemäße Lagerung von Stirnwänden aus Spanplatten treten häufig auch Feuchtigkeitsschäden an den Stirnwänden auf, die deren Wiedereinsatz ausschließen.Another disadvantage is that the return rate of the end walls made of chipboard, unlike plastic end walls is very low because of the goods recipient the chipboard material of these end walls for other uses respectively. Due to improper storage of bulkheads made of chipboard Moisture damage to the end walls is also common exclude their reuse.

Aufgabe der Erfindung ist es, eine kostengünstig herzustellende Stirnwand aus Kunststoff zu schaffen, die geringeres Gewicht als bekannte Stirnwände des gleichen Formates besitzt, wesentlich biegesteifer und bruchunempfindlicher als vergleichbare Stirnwände ist und eine sichere, rutschfeste Stapelung der mit den Stirnwänden verpackten Wickelrollen auf Holzpaletten gewährleistet.The object of the invention is to produce an inexpensive end wall To create plastic that is lighter than known end walls of the the same format, much more rigid and less sensitive to breakage than is comparable end walls and a safe, non-slip stacking of the with the Ensured wrapped rolls on wooden pallets.

Diese Aufgabe wird erfindungsgemäß durch eine Stirnwand der eingangs beschriebenen Art in der Weise gelöst, daß zwei der sich gegenüberliegenden Seitenwände glatt und eben ausgebildet sind und daß die übrigen zwei, sich gegenüberliegenden Seitenwände unterschiedlich strukturiert sind, wobei die eine Seitenwand eine über die Länge der Seitenwand durchgehende Riffelung senkrecht zur Vorderseite der Platte und die andere Seitenwand Stapelnocken (31) und Stapeltaschen (10) aufweist und die Stapelnocken (31) eine Anzahl von Riffelungen auf der Oberfläche jedes Stapelnockens aufweisen und die Stapeltaschen (10) dazu formmäßig komplementäre riffelungslose Stapeltaschen mit Mulden aufweisen.This object is achieved according to the invention by an end wall of the one described above Kind of solved in such a way that two of the opposite Sidewalls are smooth and flat and that the remaining two, themselves opposite side walls are structured differently, the one side wall is continuous corrugation along the length of the side wall perpendicular to the front of the plate and the other side wall has stacking cams (31) and stacking pockets (10) and the stacking cams (31) a number of Have corrugations on the surface of each stacking cam and the stacking pockets (10) formally complementary corrugation-free Have stacked pockets with hollows.

In Weitergestaltung der Erfindung sind nahe den abgerundeten Ecken auf der Vorderseite Stapelecken angeordnet, wobei jede Stapelecke aus zwei Vorsprüngen besteht, von denen jeder einen dreieckförmigen Umriß hat und die sich gegenüberliegenden längsten Seiten der beiden dreieckförmigen Vorsprünge einen Spalt miteinander einschließen, der schräg zu den Umrißkanten der Vorderseite verläuft. Insbesondere verlaufen die Spalten der Stapelecken entlang den Plattendiagonalen.In further development of the invention are near the rounded corners on the Front stacking corners arranged, each stacking corner of two projections exists, each of which has a triangular outline and which are opposite longest sides of the two triangular projections enclose a gap that is oblique to the outline edges of the front runs. In particular, the columns of the stacking corners run along the plate diagonals.

In Weiterbildung der Erfindung sind die Ecken der dreieckförmigen Vorsprünge abgerundet und weist der Spalt eine Breite auf, die der Dicke der Rippen auf der Rückseite einer Platte entspricht. Dadurch ist sichergestellt, daß beim Aufeinanderstapeln zweier Stirnwände radial verlaufende Rippen auf der Rückseite der einen Platte in die Spalte der Stapelecken der anderen Platte einrasten und diese Platte dadurch arretiert wird. Vor allem durch die glatte Ausbildung von zwei Seitenwänden der Stirnwand und durch den Wegfall des zentralen integrierten Einsteckzapfens, wie er bei den bekannten Stirnwänden üblich ist, wird eine erhebliche Gewichtsreduzierung erreicht.In a development of the invention, the corners of the triangular projections rounded and the gap has a width that the thickness of the ribs on the Back of a plate corresponds. This ensures that when stacking two end walls with radial ribs on the back of the one plate in the column of the stacking corners of the other plate and this This locks the plate. Mainly through the smooth training of two Side walls of the front wall and by eliminating the central integrated Plug-in pin, as is common in the known end walls, becomes one considerable weight reduction achieved.

Die weitere Ausgestaltung der Erfindung ergibt sich aus den Merkmalen der Patentansprüche 5 bis 11.The further embodiment of the invention results from the features of Claims 5 to 11.

Die Erfindung wird im folgenden anhand von zwei zeichnerisch dargestellten Ausführungsbeispielen näher erläutert. Es zeigen:

Fig.1
eine perspektivische Ansicht in Richtung der Vorderseite der Stirnwand einer ersten Ausführungsform,
Fig.2
eine perspektivische Ansicht in Richtung der Rückseite der Stirnwand einer zweiten Ausführungsform,
Fig. 3
eine Detailansicht eines Ausschnittes der Rückseite nahe einer Ecke der Stirnwand,
Fig. 4
eine Draufsicht auf eine Seitenwand mit Stapeltaschen und gegenüberliegenden Riffelungen der Stirnwand,
Fig. 5
eine perspektivische Ansicht eines Ausschnittes der Seitenwand mit Stapeltaschen und gegenüberliegender Riffelung der Stirnwand, und
Fig. 6
eine Draufsicht einer zentralen Einstecköffnung der Stirnwand der zweiten Ausführungsform.
The invention is explained in more detail below with reference to two exemplary embodiments shown in the drawings. Show it:
Fig.1
2 shows a perspective view in the direction of the front of the front wall of a first embodiment,
Fig.2
2 shows a perspective view in the direction of the rear of the end wall of a second embodiment,
Fig. 3
a detailed view of a section of the back near a corner of the front wall,
Fig. 4
a plan view of a side wall with stack pockets and opposite corrugations of the end wall,
Fig. 5
a perspective view of a section of the side wall with stack pockets and opposite corrugation of the end wall, and
Fig. 6
a plan view of a central insertion opening of the end wall of the second embodiment.

Wie aus der perspektivischen Ansicht in Richtung einer Vorderseite 2 einer Stirnwand 1 in Fig. 1 ersichtlich ist, sind zwei der sich gegenüberliegenden Seitenwände 3 und 4 glatt und eben ausgebildet, während die übrigen zwei, sich gegenüberliegenden Seitenwände 5 und 6 unterschiedlich strukturiert sind. Die vier Seitenwände sind über abgerundete Ecken 29 miteinander verbunden. Die Vorderseite 2 besteht aus einer rechteckigen Platte 11, die einen Ringaufsatz 23 und eine zentrale Einstecköffnung 21 aufweist. Die Vorderseite 2 der Stirnwand 1 ist einer nicht gezeigten Wickelrolle zugewandt, während eine von der Wickelrolle abgewandte Rückseite 20 (vergleiche Fig. 2) nach außen von der Wickelrolle wegweist. Die eine Seitenwand 5 ist durchgehend mit einer Riffelung 8 ausgestattet, die senkrecht zur Vorderseite 2 der Platte 11 verläuft. Auf der anderen Seitenwand 6 befindet sich eine Anzahl von Riffelungen 9 und dazu formmäßig komplementäre, riffelungslose Stapeltaschen 10, die Mulden 12 aufweisen. Die sich gegenüberliegenden strukturierten Seitenwände 5 und 6 sind durch Führungsnuten 7 unterbrochen, die Umreifungsbänder für die Wickelrolle aufnehmen. Die Führungsnuten 7 erstrecken sich senkrecht zu den Längskanten der Seitenwände 5 und 6. Nahe den abgerundeten Ecken 29 an der Vorderseite 2 der Stirnwand 1 befinden sich Stapelecken 13, die aus zwei Vorsprüngen 14 und 15 bestehen. Jeder dieser Vorsprünge hat einen dreieckförmigen Umriß und die sich gegenüberliegenden längsten Seiten 16, 16 dieser Vorsprünge schließen miteinander einen Spalt 17 ein, der schräg zu den Umrißkanten der Vorderseite 2 verläuft. Insbesondere erstrecken sich die Spalte 17 der Stapelecken 13 entlang den Plattendiagonalen der Platte 11. Die Außenabmessungen der Stirnwand 1 liegen im Bereich von 700 mm x 700 bis 760 mm und bis 1100 mm x 1200 mm und betragen bevorzugt 800 mm x 860 bis 880 mm. Die Ecken der dreieckförmigen Vorsprünge 14 und 15 sind abgerundet und der Spalt 17 besitzt eine Breite, die der Dicke der in Fig. 2 gezeigten Rippen 18, 19 auf der Rückseite 20 der Platte 11 entspricht. Die erste Ausführungsform nach Fig. 1 hat eine Einstecköffnung 21 mit einer axial verlaufenden Riffelung 32, die sich in Längsrichtung der Einstecköffnung 21 mindestens über die Höhe eines Ringaufsatzes 23 erstreckt oder über die Gesamthöhe der Einstecköffnung 21.As from the perspective view towards a front 2 one Front wall 1 can be seen in Fig. 1, two of the opposite Side walls 3 and 4 smooth and even, while the remaining two, themselves opposite side walls 5 and 6 are structured differently. The four side walls are connected to one another via rounded corners 29. The Front 2 consists of a rectangular plate 11 which has a ring attachment 23 and has a central insertion opening 21. The front 2 of the front wall 1 faces a winding roller, not shown, while one of the winding roller back 20 facing away (see FIG. 2) to the outside of the winding roll points away. One side wall 5 is continuous with corrugation 8 equipped, which runs perpendicular to the front 2 of the plate 11. On the other side wall 6 there is a number of corrugations 9 and more Complementally complementary, corrugated stacking pockets 10, the troughs 12 exhibit. The opposite structured side walls 5 and 6 are interrupted by guide grooves 7, the strapping for the winding roll take up. The guide grooves 7 extend perpendicular to the longitudinal edges of the side walls 5 and 6. Near the rounded corners 29 at the front 2 of the end wall 1 there are stacking corners 13 which consist of two projections 14 and 15 exist. Each of these protrusions has a triangular shape and the opposite longest sides 16, 16 of these projections close with each other a gap 17 which is oblique to the outline edges of the front 2 runs. In particular, the gaps 17 of the stack corners 13 extend along the plate diagonals of plate 11. The outer dimensions of the end wall 1 are in the range of 700 mm x 700 to 760 mm and up to 1100 mm x 1200 mm and are preferably 800 mm x 860 to 880 mm. The corners of the triangular projections 14 and 15 are rounded and the gap 17 has a width which corresponds to the thickness of the ribs 18, 19 shown in FIG. 2 on the rear side 20 corresponds to the plate 11. The first embodiment according to FIG. 1 has one Insertion opening 21 with an axially extending corrugation 32, which extends in the longitudinal direction the insertion opening 21 at least over the height of a ring attachment 23 extends or over the total height of the insertion opening 21.

Die perspektivische Ansicht der zweiten Ausführungsform der Stirnwand 1 in Richtung der Rückseite 20 in Fig. 2 läßt erkennen, daß die Rückseite 20 einerseits durch Radialrippen 18, 19 und andererseits durch Längsrippen 30 verstärkt ist, die parallel zu den glatten Seitenwänden 3, 4 der Platte 11 verlaufen. Die linke Seitenwand 5 in Fig. 2 ist mit der durchgehenden Riffelung 8 ausgestattet, während die gegenüberliegende Seitenwand 6 Stapeltaschen 10 und Stapelnokken 31 aufweist. Von der Einstecköffnung 21 ist eine umlaufende Riffelung auf der Rückseite 20 sichtbar. In den beiden strukturierten Seitenwänden 5 und 6 sind die Führungsnuten 7 für die Umreifungsbänder einer Wickelrolle erkennbar.The perspective view of the second embodiment of the end wall 1 in Direction of the back 20 in Fig. 2 shows that the back 20 on the one hand reinforced by radial ribs 18, 19 and on the other hand by longitudinal ribs 30 which run parallel to the smooth side walls 3, 4 of the plate 11. The left side wall 5 in Fig. 2 is equipped with continuous corrugation 8, while the opposite side wall 6 stacking pockets 10 and stacking nocks 31 has. A circumferential corrugation is on from the insertion opening 21 the back 20 visible. In the two structured side walls 5 and 6 the guide grooves 7 for the strapping of a winding roll can be seen.

Der Ringaufsatz besitzt einen Außendurchmesser, der kleiner als der Durchmesser der zu verpackenden Wickelrolle ist und bildet einen Spalt zwischen der Stirnwand 1 und dem äußeren Rand der Wickelrolle, wodurch ein Stauchen der Schnittkante der Wickelrolle verhindert wird. Die Stirnwand 1 besitzt, im Gegensatz zu dem Stand der Technik, keinen integrierten Einsteckzapfen, der die Wickelrolle trägt, statt dessen wird ein separater Zapfen bzw. Zylinder durch die Einstecköffnung 21 der Stirnwand in die Hohlachse der Wickelrolle eingeschoben. Ein derartiger Zapfen weist unter Lasteinwirkung eine elastische Verformung auf. Im Gegensatz zu bekannten Stirnwänden mit starren integrierten Einsteckzapfen werden bei der erfindungsgemäßen Stirnwand 1 keine Scherkräfte auf einen eingesteckten Zapfen übertragen, die bei einem integrierten Einsteckzapfen im schlimmsten Falle zu einem Zapfenabriß führen könnten. Der nicht gezeigte Zapfen, der in die Einstecköffnung 21 eingeschoben wird, ebenso wie die Einstecköffnung 21 weisen jeweils eine umfangsmäßig umlaufende Riffelung auf, wie nachstehend noch anhand von Fig. 6 erläutert wird. Diese Riffelung verhindert ein Verrutschen des Zapfens infolge von eventuell auftretenden Vibrationen.The ring attachment has an outer diameter that is smaller than the diameter of the winding roll to be packed and forms a gap between the End wall 1 and the outer edge of the winding roll, thereby upsetting the Cutting edge of the winding roll is prevented. The end wall 1 has, in contrast to the state of the art, no integrated plug-in pin that the Wrapping roller carries, instead, a separate pin or cylinder through the Insertion opening 21 of the end wall inserted into the hollow axis of the winding roll. Such a pin has an elastic deformation under the action of a load on. In contrast to known end walls with rigid integrated plug-in pins there are no shear forces in the end wall 1 according to the invention transfer an inserted pin, which with an integrated insertion pin in the worst case, could lead to a cone tear. The one not shown Pin that is inserted into the insertion opening 21, as well as the Insertion opening 21 each have a circumferential circumferential corrugation, as will be explained below with reference to FIG. 6. This corrugation prevents a slipping of the pin as a result of possible vibrations.

Wie anhand von Fig. 2 beschrieben wurde, besitzt die Stirnwand 1 eine im wesentlichen radiale und vertikale Rippenstruktur, die der einseitigen Lastaufnahme dient. Die vertikale Rippenstruktur ergibt sich dadurch, daß in der Betriebsposition der Stirnwand 1 die glatten Seitenwände 3 und 4 und somit auch die parallel dazu verlaufenden Rippen 30 vertikal ausgerichtet sind. Die Rippen setzen sich auch in den Stapeltaschen 10 fort. Im Gegensatz zu den bekannten Stirnwänden wird auf eine ringförmige und horizontale Rippenstruktur aus Gründen einer Gewichtseinsparung verzichtet. Die Radialrippen 18 und 19 stützen sich in den Ecken 29 der Stirnwand 1 ab und dienen somit der Bruchminimierung im Falle eines sturzbedingten Aufprallens der Stirnwand 1 auf den Boden. Die Stapelecken 13 einer Stirnwand sind geteilt, um die Rippen der darauf gestapelten Stirnwand aufzunehmen. Die Stapelecken sind flach und großflächig gehalten und weniger bruchgefährdet als bekannte erhabene Stapel- bzw. Arretiernocken. Die niedrige Bauhöhe und die Teilung der Stapelecken 13, die anschließend noch näher erläutert wird, ermöglichen ein direktes Aufeinanderlegen der Stirnwände 1 und die Bildung eines sehr dichten Stapels. As has been described with reference to FIG. 2, the end wall 1 has a essential radial and vertical rib structure, that of the one-sided load bearing serves. The vertical rib structure results from the fact that in the operating position the end wall 1, the smooth side walls 3 and 4 and thus also the parallel ribs 30 are aligned vertically. Ribs also continue in the stacking pockets 10. In contrast to the known ones End walls are on an annular and horizontal rib structure for reasons a weight saving waived. Support the radial ribs 18 and 19 in the corners 29 of the end wall 1 and thus serve to minimize breakage in the event of a crash-related collision of the end wall 1 with the floor. The stacking corners 13 of an end wall are divided around the ribs on it stacked end wall. The stacking corners are flat and large held and less likely to break than known raised stacking or Locking boss. The low height and the division of the stacking corners 13, the subsequently explained in more detail, enable direct stacking the end walls 1 and the formation of a very dense stack.

Die Stapeltaschen 10 befinden sich nur auf der oberen Seitenwand 6 der hochkant gestellten Stirnwand 1, da nur maximal zwei Wickelrollen übereinandergestapelt werden sollen. Wie schon erwähnt, sind die Seitenwände 3 und 4 glatt ausgebildet, da eine seitliche Verzahnung von Stirnwänden, insbesondere bei großen Wickelrollen nicht vorgesehen ist. Aufgrund der Ladehöhe von Transportfahrzeugen ist eine Stapelung von mehr als zwei großen Wickelrollen nicht vorgesehen.The stacking pockets 10 are only on the upper side wall 6 of the edgewise end wall 1, since only a maximum of two winding rolls are stacked on top of each other should be. As already mentioned, the side walls 3 and 4 are smooth trained, since a lateral toothing of end walls, especially in large winding rolls is not provided. Due to the loading height of transport vehicles is not a stack of more than two large winding rolls intended.

Der Detailansicht in Fig. 3 eines Ausschnittes der Rückseite 20 nahe einer der abgerundeten Ecken 29 der Stirnwand 1 ist zu entnehmen, daß in der Rückseite der Platte 11 Vertiefungen 25, 26 vorhanden sind, die einen mit den Vorsprüngen 14, 15 einer Stapelecke 13 größenmäßig vergleichbaren Umriß haben. Beim Aufeinanderstapeln von horizontal ausgerichteten Stirnwänden greifen die Vorsprünge 14, 15 der Stapelecken 13 der einen Stirnwand wegen ihrer geringen Höhe nicht in die Vertiefungen 25, 26 der darüberliegenden Stirnwand ein. Es gelangen jedoch die radial verlaufenden Rippen 18 und 19 auf der Rückseite der einen Stirnwand mit den Spalten 17 der Stapelecken 13 in Eingriff und gewährleisten dadurch eine gute Arretierung der aufeinanderliegenden Stirnwände.The detail view in Fig. 3 of a section of the back 20 near one of the rounded corners 29 of the end wall 1 can be seen that in the back the plate 11 depressions 25, 26 are present, one with the projections 14, 15 of a stacking corner 13 have an outline of comparable size. When stacking on top of each other the projections grip from horizontally aligned end walls 14, 15 of the stacking corners 13 of one end wall because of their small size Do not insert height into the recesses 25, 26 of the overlying end wall. It However, the radially extending ribs 18 and 19 reach the rear of the an end wall with the columns 17 of the stacking corners 13 in engagement and ensure thereby a good locking of the end walls lying on top of each other.

Die Draufsicht auf die Seitenwand 6 in Fig. 4 zeigt die durch die Führungsnuten 7 voneinander getrennten Abschnitte der Seitenwand. Es liegen sich jeweils Stapelnocken 31 und Stapeltaschen 10 gegenüber. Der Stapelnocken 31 besitzt eine mittig angeordnete Riffelung 9, an die links und rechts glatte Flächen 27, 28 anschließen. Jede Stapeltasche 10 hat eine mittig angeordnete Mulde 12, die der Riffelung 9 gegenüberliegt. In Längsrichtung der Seitenwand 6 wechseln einander Stapeltaschen 10 und Stapelnocken 31 ab.The top view of the side wall 6 in FIG. 4 shows that through the guide grooves 7 separate sections of the side wall. There are each Stacking cams 31 and stacking pockets 10 opposite. The stack cam 31 has a centrally arranged corrugation 9, on the left and right smooth surfaces 27, 28th connect. Each stacking bag 10 has a centrally arranged trough 12, which the Corrugation 9 is opposite. In the longitudinal direction of the side wall 6 alternate Stacking pockets 10 and stacking cams 31.

Fig. 5 zeigt eine perspektivische Ansicht eines Auschnittes der Seitenwand 6 mit den Stapelnocken 31 und den Stapeltaschen 10. 5 shows a perspective view of a section of the side wall 6 with the stacking cam 31 and the stacking pockets 10.

Aus der Draufsicht der zentralen Einstecköffnung 21 in Fig. 6 ist ersichtlich, daß diese aus einem zylindrischen Abschnitt besteht, der entlang seiner Umfangsfläche mit einer umlaufenden Riffelung 24 ausgerüstet ist.Die Riffelung 24 erstreckt sich zumindest über die Höhe des Ringaufsatzes 23, kann sich jedoch auch ebenso über die Gesamttiefe der Einstecköffnung 21 erstrecken. Die Riffelung 24 sichert einen rutschfesten, vibrationsfreien Eingriff eines ensprechend geriffelten Zapfens in die Einstecköffnung.From the top view of the central insertion opening 21 in Fig. 6 it can be seen that this consists of a cylindrical section that runs along its circumferential surface is equipped with a circumferential corrugation 24. The corrugation 24 extends itself at least about the height of the ring attachment 23, however also extend over the entire depth of the insertion opening 21. The Corrugation 24 ensures a non-slip, vibration-free intervention accordingly corrugated pin in the insertion opening.

Zu den Stapelnocken 31 ist anzumerken, daß sie derart ausgestaltet sind, daß ihre Riffelungen 9 der Stirnwand beim Aufsetzen auf eine Holzpalette Rutschfestigkeit verleihen. Die Riffelungen 9 sind beim Ineinandergreifen mit einer weiteren aufgesetzten Stirnwand in den Mulden 12 versenkt und behindern nicht das Aufeinanderstapeln der Stirnwände.Regarding the stacking cams 31, it should be noted that they are designed in such a way that their corrugations 9 the end wall when placed on a wooden pallet slip resistance to lend. The corrugations 9 are in mesh with one another attached end wall sunk into the troughs 12 and do not hinder that Stacking the end walls.

Claims (11)

  1. End wall of mouldable material for a winding reel having a rectangular plate with rounded corner faces, the front side of which plate that faces the winding reel has an annular cap on a smooth flat face and the reverse side of which that points outwards away from the winding reel is reinforced by ribs, having four side walls which run peripherally at right angles to the front side of the plate and are of differing profiles, characterised in that two of the side walls (3, 4) opposite one another are of smooth, flat construction and the remaining two opposite side walls (5, 6) are differently structured, wherein one side wall (5) has continuous ribbing (8) along the length of the side wall perpendicular to the front side (2) of the plate (11) and the other side wall (6) has stacking lugs (31) and stacking pockets (10) and the stacking lugs have a plurality of ribbed portions (9) on the surface of each stacking lug and the stacking pockets (10) comprise stacking pockets (10), complementary in shape thereto, that have recesses (12) but no ribbing.
  2. End wall according to claim 1, characterised in that stacking corners (13) are arranged near the rounded corners (29) on the front side (2), each stacking corner (13) consists of two projections (14, 15), each of which has a triangular outline, and the longest sides (16, 16), opposite one another, of the two triangular projections together enclose a gap (17) which extends at an oblique angle to the edges defining the outline of the front side (2).
  3. End wall according to claim 2, characterised in that the gaps (17) of the stacking corners (13) extend along the diagonal of the plate.
  4. End wall according to claim 2, characterised in that the corners of the triangular projections (14, 15) are rounded and the width of the gap (17) corresponds to the thickness of the ribs (18, 19) on the reverse side (20) of the plate (11).
  5. End wall according to claim 1, characterised in that the outer dimensions of the end wall (1) are in the range of from 700 mm x from 700 mm to 760 mm and up to 1100 mm x 1200 mm.
  6. End wall according to claim 1, characterised in that the portions of the other side wall (6), separated from one another by guide grooves (7), each have stacking lugs (31) having ribbed portions (9) arranged in the centre thereof, adjacent to which on the left and right are smooth faces (27, 28); stacking pockets (10) that are positioned opposite the stacking lugs (31) each have a recess (12) in the centre, which recess lies opposite the corresponding ribbed portion (9); and stacking pockets (10) and stacking lugs (31) alternate with one another in the longitudinal direction of the side wall (6).
  7. End wall according to claim 1, characterised in that some of the ribs (18, 19, 30) on the reverse side of the plate (11) extend radially (18, 19) relative to the smooth side walls (3, 4) of the plate (11) and the other ribs (30) extend parallel thereto.
  8. End wall according to claim 1, characterised in that there is a central insertion opening (21), which has ribbing (24) around its circumferential face, which ribbing (24) extends over the entire depth of the insertion opening (21).
  9. End wall according to claim 1, characterised in that the insertion opening (21) is provided with ribbing (24, 32) that extends at least over the height of the annular cap (23).
  10. End wall according to claim 1, characterised in that the structured side walls (5, 6) opposite one another are interrupted by guide grooves (7) for hooping bands of a winding reel and the guide grooves (7) extend perpendicular to the longitudinal edges of the side walls (5, 6).
  11. End wall according to claim 3, characterised in that near the corners (29), in the reverse side (20) of the plate (11), there are indentations (25, 26), the outline of which is commensurate in size with the projections (14, 15) of the stacking corners (13).
EP96110553A 1995-07-08 1996-06-29 Moulded end wall Expired - Lifetime EP0753469B1 (en)

Applications Claiming Priority (2)

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DE19524954A DE19524954A1 (en) 1995-07-08 1995-07-08 End wall made of malleable material
DE19524954 1995-07-08

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EP0753469A2 EP0753469A2 (en) 1997-01-15
EP0753469A3 EP0753469A3 (en) 1997-07-02
EP0753469B1 true EP0753469B1 (en) 2002-01-30

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US (1) US5620093A (en)
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JP (1) JP3703570B2 (en)
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DE19524954A1 (en) * 1995-07-08 1997-01-09 Hoechst Ag End wall made of malleable material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2927157A1 (en) 2014-03-31 2015-10-07 SONOCO Plastics Germany GmbH Transport securing device for winding rollers

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JP3703570B2 (en) 2005-10-05
US5620093A (en) 1997-04-15
EP0753469A3 (en) 1997-07-02
DE59608663D1 (en) 2002-03-14
EP0753469A2 (en) 1997-01-15
KR100432824B1 (en) 2004-09-20
JPH0930735A (en) 1997-02-04
KR970006130A (en) 1997-02-19
DE19524954A1 (en) 1997-01-09

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