EP0559718A1 - Low-density element made of corrugated material. - Google Patents

Low-density element made of corrugated material.

Info

Publication number
EP0559718A1
EP0559718A1 EP92900064A EP92900064A EP0559718A1 EP 0559718 A1 EP0559718 A1 EP 0559718A1 EP 92900064 A EP92900064 A EP 92900064A EP 92900064 A EP92900064 A EP 92900064A EP 0559718 A1 EP0559718 A1 EP 0559718A1
Authority
EP
European Patent Office
Prior art keywords
part according
layers
wave
material part
ring
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.)
Granted
Application number
EP92900064A
Other languages
German (de)
French (fr)
Other versions
EP0559718B1 (en
Inventor
Frank Schilling
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.)
ROMWELL GUENTHER SCHILLING GmbH
Original Assignee
Edm Romberg and Sohn GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Edm Romberg and Sohn GmbH and Co KG filed Critical Edm Romberg and Sohn GmbH and Co KG
Publication of EP0559718A1 publication Critical patent/EP0559718A1/en
Application granted granted Critical
Publication of EP0559718B1 publication Critical patent/EP0559718B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, 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
    • B65D81/02—Containers, 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
    • B65D81/05—Containers, 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
    • B65D81/053—Corner, edge or end protectors
    • B65D81/054—Protectors contacting two generally perpendicular surfaces of the packaged article, e.g. edge protectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, 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
    • B65D81/02—Containers, 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
    • B65D81/05—Containers, 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, 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
    • B65D81/02—Containers, 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
    • B65D81/05—Containers, 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
    • B65D81/053—Corner, edge or end protectors
    • B65D81/055—Protectors contacting three surfaces of the packaged article, e.g. three-sided edge protectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2581/00—Containers, 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
    • B65D2581/02—Containers, 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
    • B65D2581/05—Containers, 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
    • B65D2581/051—Details of packaging elements for maintaining contents at spaced relation from package walls, or from other contents
    • B65D2581/052—Materials
    • B65D2581/053—Paper in general, e.g. paperboard, carton, molded paper
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S206/00—Special receptacle or package
    • Y10S206/814—Space filler
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S493/00—Manufacturing container or tube from paper; or other manufacturing from a sheet or web
    • Y10S493/967—Dunnage, wadding, stuffing, or filling excelsior
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24628—Nonplanar uniform thickness material
    • Y10T428/24669—Aligned or parallel nonplanarities
    • Y10T428/24694—Parallel corrugations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24628—Nonplanar uniform thickness material
    • Y10T428/24669—Aligned or parallel nonplanarities
    • Y10T428/24694—Parallel corrugations
    • Y10T428/24711—Plural corrugated components
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24628—Nonplanar uniform thickness material
    • Y10T428/24669—Aligned or parallel nonplanarities
    • Y10T428/24694—Parallel corrugations
    • Y10T428/24711—Plural corrugated components
    • Y10T428/24727—Plural corrugated components with planar component

Definitions

  • the invention relates to a material part of low volume weight for packaging, in a packaging container, which is protected against damage, consisting of a corrugated material comprising a single-sided corrugated material, with the same directional wave course, multilayered layered material body, in which adjacent corrugated layers in the stratification direction with a common top layer lie against one another in a compression-free manner without engagement and its extension length perpendicular to the wave course and perpendicular to the layering direction is a multiple of the layer thickness.
  • shaft material pieces or bodies as packaging means.
  • Such parts have a predetermined shape. They consist either of cut parts of a shaft material body or in the form of a winding part which is rolled up without cavities.
  • a desired flexible adaptation of the shape to the packaging material to be packed in containers is not possible, or is possible only to a small extent, by considerable pressure on the material body surfaces, in the latter case the corrugated material layers being compressed and also destroyed.
  • plastic packaging materials are known which involve relatively high production and raw material costs, have environmentally damaging properties and are associated with problems in disposal.
  • the invention has for its object to flexibly design material parts of the type mentioned that they can be brought into a wide variety of cross-sectional shapes having concave or throat-shaped contours are, whereby they should offer a complete substitution possibility for plastic parts.
  • the material parts according to the invention can be produced in large quantities and very inexpensively, since they can be separated from semi-finished bodies, which in particular consist entirely of recycled waste paper, in mass production. They can be manufactured in a wide variety of dimensions. Due to their flexibility, they can be used universally for shock-proof packaging of various objects. They form flexible mold nests or cushions, or the like on edge surfaces, corner parts, projections or the like.
  • a major advantage is that the shaft layers are neither squeezed nor destroyed during the shaping, so that the cushioning properties of the shaft material structure can be optimally used and the material parts can also be reused, in which case they can assume other cross-sectional shapes.
  • FIG. 8 shows in cross section a further material part according to the invention.
  • Material parts 1 in FIGS. 1 and 2 are molded ring bodies 10 formed from material bodies and brought into the illustrated cross-sectional profile shapes. These shapes result from the fact that the material part is placed against the surfaces of objects to be packaged, which are not shown. The material part fills cavities in a packaged object or between it and the walls of a packaging container (not shown). It should therefore be pointed out that the material parts according to FIGS. 1 and 2 are flexible in themselves and can be changed in cross-sectional shape.
  • the material hurry 1 according to FIGS. 1 and 2 forming ring body 10 comprises three flexible shaft layers 11 covered on one side, adjacent shaft layers 11, each with a common cover layer 12, lying loosely against one another without engagement without compression.
  • the rectified waves extend perpendicular to the Profile cross-section in the direction S.
  • Fig. 1 the shaft positions 11 of the ring body 10 are only shown in detail, while the rest of the material part, as correspondingly also in Fig. 2, is shown schematically in its contour.
  • Annular bodies 10 with a circular cross-section as are provided by their nature for forming the material parts in FIGS. 1 and 2, are shown in more detail in FIGS. 3 and 4.
  • the inner ring circumference is a multiple of the ring width B. It is readily apparent that the circular ring bodies 10 forming the material parts 1 shown in FIGS. 1 and 2 have a substantially larger ring circumference in relation to the ring width B than in the case of those in FIG. 3 and 4 have ring bodies 10 shown.
  • 3 and 4 comprise four or five adjacent shaft layers 11, which determine the ring width B and are perpendicular to the circumferential direction with their wave shape.
  • a circular ring body 10 is made of a single shaft material section covered on one side, preferably in shape a roll of corrugated cardboard, spirally wound. Only the winding ends parallel to the wave course are fixed to the outer or inner circumference of the ring body 10 by a glue or other adhesive connection 2. With this singular fixation it is achieved according to the invention that the adjacent shaft layers 11 lie loosely against one another in a compression-free manner and can be displaced relative to one another in a direction perpendicular to the wave course with a flat curvature.
  • the outer and inner ring shaft positions are fixed with respect to their circumference, so that these circumferences are fixed. Because of the ring cavity 15 and the ring layers lying loosely adjacent to one another via only one common cover layer 12, the ring cross-sectional shape of the ring body can be determined under pressure on its outer circumference. lent deform. The shaft positions do not mesh with one another, and they are neither crushed nor destroyed. When using very light corrugated material, in particular from recycled waste paper, as is preferably provided for the invention, the material part ring body can already assume oval shapes due to its own weight, as shown in FIGS. 5A, 6A and 7B.
  • the ring body 10 is wound with an outer cover layer 12. It is thereby achieved that the ring layers which come together in the event of a deformation in the interior of the ring interlock with the ridges of the inner shaft position, as is shown in FIG. 1.
  • This interlocking has the effect that the shaft positions can then practically no longer be shifted against one another and the profile cross section is thereby stabilized.
  • this effect which may be particularly desired, only occurs when the material part in the shaped state is in a cavity to be filled in, which determines and holds the shape. After the material part according to the invention has been removed from such a cavity, it can in turn be laid in cross-sectional shapes of other intermediate or hollow spaces to be filled.
  • annular body according to FIG. 4 with an inner cover layer 12 in the winding is provided.
  • the material part according to the invention can be used with non-destructive shafts with pronounced flat surfaces and concave curvatures directed into the interior of the material part, so that it can be placed particularly comfortably around edges and strongly curved projections.
  • the ring body comprises concentrically arranged, closed circular shaft layers, which are fixed to one another at only one circumferential position across the ring width by a glue or other adhesive connection.
  • the profile shapes shown in FIGS. 1 and 2 are also achieved.
  • Material part ring bodies according to the invention can also be provided with a singular fixation which is formed at a circumferential position but along the ring width B. Even then it is ensured that the layers in the ring can move sufficiently relative to one another for flexible shaping of the material part.
  • a flat layer 3 which is perpendicular to the wave shape and the profile cross section and is rigid or rigid with respect to the elasticity of the wave positions, is arranged on a peripheral part of a ring body 10.
  • a layer can consist of a hardened adhesive material. It is also particularly expedient, however, to provide them in the form of a corrugated material section with a transverse, in particular perpendicular to the corrugation of the material body 10.
  • the layer 3 according to FIGS. 5A and 5B is attached to the outer circumference of the ring body 10 by a glue or adhesive connection, while according to FIGS. 6A and 6B an in the layer 3 pushed inside the ring is provided.
  • the ring body 10 is loosely (without attachment) or possibly only with a singular attachment source 31 around the flat layer 3 (FIG. 6A). The ring body 10 is thus fixed in an oval cross-sectional shape.
  • a line of weakness For example, a notch 30, which is arranged in the center of the ring and extends parallel to the wave shape of the ring body 10, the material part 1 can then be easily brought into the L-shape shown in FIG. 6B and also returned to the flat shape.
  • Material part ring bodies 10 are preferably bodies separated from an endlessly produced circular winding strand, in particular from a roll of corrugated cardboard ring winding.
  • the invention provides that perforation lines arranged axially on the semi-finished product strand and perpendicular to the wave course are provided, so that material parts of desired ring heights H are available in a very simple manner, as is shown in FIGS. 7A and 7B.
  • a material body 10 of a material part 1 is a parallelepiped-shaped, layer-like laminate body that is elongated perpendicular to the wave shape and consists of shaft layers 11 covered on one side, which form separate material sections.
  • the layers 11 are fixed to one another on the base side 17 of the body along the layer thickness B with an adhesive connection 2. Because of this singular fixation, the layers 11 remain displaceable at curvature K in directions perpendicular to the wave form, so that even such a material part according to the invention can be placed in various cross-sectional shapes depending on its length E.
  • the extension length E perpendicular to the wave shape and perpendicular to the layering direction is a multiple of the layer thickness B.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Golf Clubs (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Buffer Packaging (AREA)

Abstract

Un élément (1) à faible poids volumique utile pour emballer des marchandises dans des récipients d'emballage se compose d'un corps (10) en un matériau ondulé. Afin d'obtenir un élément (1) souple auquel on peut donner des sections transversales ayant des contours creux ou concaves les plus divers, le corps (10) en matériau ondulé est retenu au moyen d'un seul élément de fixation, de sorte que les plis adjacents (11) des ondulations dans le corps en matériau ondulé reposent lâchement les uns sur les autres de manière incompressible et puissent être déplacés les uns par rapport aux autres dans des directions perpendiculaires au cours (S) des ondulations, formant une courbure plate orientée vers l'intérieur du corps.A low density element (1) useful for packaging goods in packaging containers consists of a body (10) of corrugated material. In order to obtain a flexible element (1) to which one can give cross sections having the most diverse hollow or concave contours, the body (10) of corrugated material is retained by means of a single fixing element, so that the adjacent folds (11) of the corrugations in the body of corrugated material rest loosely on each other in an incompressible manner and can be displaced with respect to each other in directions perpendicular to the course of the undulations, forming a flat curvature oriented towards the inside of the body.

Description

Materialteil niedrigen Volumengewichts aus WellenmaterialMaterial part of low volume weight made of shaft material
Die Erfindung betrifft ein Materialteil niedrigen Volu¬ mengewichts zum gegen Beschädigung geschützten Verpacken von Verpackungsgut in einem Verpackungsbehälter, beste¬ hend aus einem einseitig gedecktes Wellenmaterial umfas¬ senden, mit gleich gerichtetem Wellenverlauf mehrlagig geschichteten Materialkδrper, in dem in Schichtungs¬ richtung benachbarte Wellenlagen mit einer gemeinsamen Decklage ohne Eingriff ineinander komprimierungsfrei aneinanderliegen und dessen Erstreckungslänge senkrecht zu dem Wellenverlauf und senkrecht zu der Schichtungs¬ richtung ein Mehrfaches der Schichtungsstärke beträgt.The invention relates to a material part of low volume weight for packaging, in a packaging container, which is protected against damage, consisting of a corrugated material comprising a single-sided corrugated material, with the same directional wave course, multilayered layered material body, in which adjacent corrugated layers in the stratification direction with a common top layer lie against one another in a compression-free manner without engagement and its extension length perpendicular to the wave course and perpendicular to the layering direction is a multiple of the layer thickness.
Es ist bekannt, Wellenmaterialstücke oder -körper als Verpackungsmittel zu verwenden. Solche Teile weisen eine vorgegebene Form auf. Sie bestehen entweder aus Schnitt¬ teilen eines Wellenmaterialkörpers oder in Form eines hohlraumfrei aufgerollten Wickelteils. Eine an sich gewünschte flexible Formanpassung an in Behältnissen zu verpackendes Verpackungsgut ist nicht oder nur gering¬ fügig durch erheblichen Druck auf die Materialkörper¬ flächen möglich, wobei in letzterem Fall die Wellenmate- rialschichten gestaucht und auch zerstört werden. Im übrigen sind Verpackungsmaterialien aus Kunststoff bekannt, die relativ hohe Herstellungs- und Rohstoff- kosten bedingen, umweltschädigende Eigenschaften aufwei¬ sen und mit Problemen bei der Entsorgung verbunden sind.It is known to use shaft material pieces or bodies as packaging means. Such parts have a predetermined shape. They consist either of cut parts of a shaft material body or in the form of a winding part which is rolled up without cavities. A desired flexible adaptation of the shape to the packaging material to be packed in containers is not possible, or is possible only to a small extent, by considerable pressure on the material body surfaces, in the latter case the corrugated material layers being compressed and also destroyed. For the rest, plastic packaging materials are known which involve relatively high production and raw material costs, have environmentally damaging properties and are associated with problems in disposal.
Der Erfindung liegt die Aufgabe zugrunde, Materialteile der eingangs genannten Art derart flexibel auszubilden, daß sie in die verschiedensten, konkave oder kehlen- förmige Konturen aufweisende Querschnittsformen bringbar sind, wobei sie eine vollständige Substitutionsmöglich¬ keit für Kunststoffteile bieten sollen.The invention has for its object to flexibly design material parts of the type mentioned that they can be brought into a wide variety of cross-sectional shapes having concave or throat-shaped contours are, whereby they should offer a complete substitution possibility for plastic parts.
Diese Aufgabe wird in Verbindung mit den Merkmalen des eingangs genannten Materialteils dadurch gelöst, daß der Materialkörper mit einer singulären Fixierung derart zusammengehalten ist, daß die benachbarten Wellenlagen komprimierungsfrei lose aneinanderliegend und unter flächiger, ins Körperinnere gerichteter Krümmung relativ zueinander in zu dem Wellenverlauf senkrechten Richtun¬ gen verschiebbar sind. Die erfindungsgemäßen Material¬ teile sind in großen Stückzahlen und sehr preiswert herstellbar, da sie von Halbzeugkδrpern, die insbeson¬ dere vollständig aus Recycling-Altpapier bestehen, in Massenproduktion abtrennbar sind. Sie lassen sich in den verschiedensten Dimensionen herstellen. Aufgrund ihrer Flexibilität sind sie universell zum stoß-geschützten Verpacken der verschiedensten Gegenstände verwendbar. Dabei bilden sie flexible Formnester oder -kissen, die sich an Kantenflächen, Eckteile, Vorsprünge od.dgl. des Verpackungsguts flächig anschmiegen, wobei sie im Profil- guerschnitt z.B. L, U, T, I, S oder P-förmige Formen einnehmen. Ein wesentlicher Vorteil besteht darin, daß die Wellenlagen bei der Formung weder gequetscht noch zerstört werden, so daß die Polsterungseigenschaften der Wellenmaterialstruktur optimal nutzbar und die Material¬ teile auch wiederverwendbar sind, wobei sie dann andere Querschnittsformen einnehmen können.This object is achieved in connection with the features of the material part mentioned at the outset in that the material body is held together with a singular fixation in such a way that the adjacent shaft layers lie loosely against one another without compression and under a flat curvature directed towards the inside of the body relative to one another in a direction perpendicular to the wave pattern are displaceable. The material parts according to the invention can be produced in large quantities and very inexpensively, since they can be separated from semi-finished bodies, which in particular consist entirely of recycled waste paper, in mass production. They can be manufactured in a wide variety of dimensions. Due to their flexibility, they can be used universally for shock-proof packaging of various objects. They form flexible mold nests or cushions, or the like on edge surfaces, corner parts, projections or the like. of the packaged goods nestle flat, whereby in the profile cut e.g. Take L, U, T, I, S or P-shaped shapes. A major advantage is that the shaft layers are neither squeezed nor destroyed during the shaping, so that the cushioning properties of the shaft material structure can be optimally used and the material parts can also be reused, in which case they can assume other cross-sectional shapes.
Besonders zweckmäßige und vorteilhafte Ausbildungsformen oder -möglichkeiten der Erfindung gehen aus den Unteran¬ sprüchen hervor und werden anhand der folgenden Beschrei¬ bung der in der schematischen Zeichnung dargestellten Ausführungsbeispiele näher beschrieben. Es zeigenParticularly expedient and advantageous forms or possibilities of the invention emerge from the subclaims and are described in more detail with reference to the following description of the exemplary embodiments shown in the schematic drawing. Show it
Fig. 1 und 2 in axonometrischer Ansicht erfindungsgemäße Materialteile, die im Profilquerschnitt S, L bzw. U-artig sich erstreckende Formkon-1 and 2 in an axonometric view material parts according to the invention, which in the profile cross section S, L or U-like extending form con
ERSAT2BLATT turen aufweisen,SPARE2BLADE have doors,
Fig. 3 und 4 im Profilquerschnitt erfindungsgemäße flexible Material eile, die unter Druck auf die Außenflächen in die verschiedensten Querschnittsformen gebracht werden können,3 and 4 in the profile cross section of the flexible material according to the invention hurry, which can be brought into various cross-sectional shapes under pressure on the outer surfaces,
Fig. 5A bis 6B im Querschnitt erfindungsgemäße Material¬ teile mit einer die Krümmungsform vorgeben¬ den, an den Materialteilen angeordneten steifen oder starren Schicht,5A to 6B in cross-section material parts according to the invention with a rigid or rigid layer which defines the shape of the curvature and is arranged on the material parts,
Fig. 7A und 7B ein erfindungsgemäßes Materialteil, das in weitere erfindungsgemäße Materialteile teilbar ist, und7A and 7B a material part according to the invention, which can be divided into further material parts according to the invention, and
Fig. 8 im Querschnitt ein weiteres erfindungsge¬ mäßes Materialteil.8 shows in cross section a further material part according to the invention.
Materialteile 1 in Fig. 1 und 2 sind aus Materialkörper bildenden geschlossenen Ringkörpern 10 in die dargestell¬ ten Profil-Querschnittsformen gebrachte Formteile. Diese Formen entstehen dadurch, daß das Materialteil an die Flächen zu verpackender Gegenstände, die nicht darge¬ stellt sind, angelegt wird. Dabei füllt das Materialteil Hohlräume in einem verpackten Gegenstand bzw. zwischen diesem und den Wänden eines (nicht dargestellten) Ver¬ packungsbehältnisses aus. Es sei also darauf hingewie¬ sen, daß die Materialteile gemäß Fig. 1 und 2 für sich flexibel und in der Querschnittsform veränderbar sind.Material parts 1 in FIGS. 1 and 2 are molded ring bodies 10 formed from material bodies and brought into the illustrated cross-sectional profile shapes. These shapes result from the fact that the material part is placed against the surfaces of objects to be packaged, which are not shown. The material part fills cavities in a packaged object or between it and the walls of a packaging container (not shown). It should therefore be pointed out that the material parts according to FIGS. 1 and 2 are flexible in themselves and can be changed in cross-sectional shape.
Der die Material eile 1 gemäß Fig. 1 und 2 bildende Ringkörper 10 umfaßt drei flexible einseitig gedeckte Wellenlagen 11, wobei benachbarte Wellenlagen 11 mit jeweils gemeinsamer Decklage 12 ohne Eingriff ineinander komprimierungsfrei lose aneinanderliegen. Die gleich¬ gerichteten Wellen erstrecken sich senkrecht zu dem Profilquerschnitt in Richtung S. In Fig. 1 sind die Wellenlagen 11 des Ringkörpers 10 nur im Ausschnitt dargestellt, während das Materialteil im übrigen, wie entsprechend auch in Fig. 2, schematisch in seiner Kontur gezeigt ist. Dabei deutete die Linie L an, daß der Materialring 13 des Materialkörpers 10 im Material¬ teilinneren ohne Zwischenraum zusammenliegt.The material hurry 1 according to FIGS. 1 and 2 forming ring body 10 comprises three flexible shaft layers 11 covered on one side, adjacent shaft layers 11, each with a common cover layer 12, lying loosely against one another without engagement without compression. The rectified waves extend perpendicular to the Profile cross-section in the direction S. In Fig. 1, the shaft positions 11 of the ring body 10 are only shown in detail, while the rest of the material part, as correspondingly also in Fig. 2, is shown schematically in its contour. The line L indicated that the material ring 13 of the material body 10 lies together in the interior of the material part without a space.
Ringkörper 10 mit Kreisquerschnitt, wie sie ihrer Art nach zur Bildung der Materialteile in Fig. 1 und 2 vorgesehen sind, sind genauer in Fig. 3 und 4 darge¬ stellt. Der Ringinnenumfang beträgt ein Mehrfaches der Ringbreite B. Es ist ohne weiteres ersichtlich, daß die die in Fig. 1 und 2 dargestellten Materialteile 1 bil¬ denden Kreis-Ringkörper 10 einen wesentlich größeren Ringumfang im Verhältnis zur Ringbreite B als bei den in Fig. 3 und 4 gezeigten Ringkörpern 10 aufweisen.Annular bodies 10 with a circular cross-section, as are provided by their nature for forming the material parts in FIGS. 1 and 2, are shown in more detail in FIGS. 3 and 4. The inner ring circumference is a multiple of the ring width B. It is readily apparent that the circular ring bodies 10 forming the material parts 1 shown in FIGS. 1 and 2 have a substantially larger ring circumference in relation to the ring width B than in the case of those in FIG. 3 and 4 have ring bodies 10 shown.
Ringkörper 10, gemäß Fig. 3 und 4 umfassen vier bzw. fünf aneinanderliegende, die Ringbreite B bestimmende sowie mit ihrem Wellenverlauf senkrecht zur Umfangs- richtung liegende Wellenlagen 11. Ein solcher Kreis- Ringkörper 10 ist aus einem einzigen einseitig gedeckten Wellenmaterialabschnit , vorzugsweise in Form einer Rollenwellpappe, spiralförmig gewickelt. Nur die mit dem Wellenverlauf parallelen Wickelenden sind durch eine Leim- oder sonstige Klebeverbindung 2 am Außen- bzw. Innenumfang des Ringkδrpers 10 fixiert. Mit dieser singu- lären Fixierung ist erfindungsgemäß erreicht, daß die benachbarten Wellenlagen 11 komprimierungsfrei lose aneinanderliegend und unter flächiger Krümmung relativ zueinander in zu dem Wellenverlauf senkrechten Rich¬ tungen verschiebbar sind. Es ist wesentlich, daß die äußere und die innere Ring-Wellenlage hinsichtlich ihres Umfangs fixiert sind, so daß diese Umf nge fest vorge¬ geben sind. Aufgrund des Ringhohlraums 15 und der lose über nur eine gemeinsame Decklage 12 aneinanderliegenden Ringlagen läßt sich der Ringkörper in seiner Ring-Quer¬ schnittsform unter Druck auf seinen Außenumfang maßgeb- lieh verformen. Dabei greifen die Wellenlagen nicht ineinander, und sie werden weder gequetscht noch zer¬ stört. Bei Verwendung von sehr leichtem Wellenmaterial, insbesondere aus Recycling-Altpapier, wie es vorzugs¬ weise für die Erfindung vorgesehen wird, kann der Mate¬ rialteil-Ringkörper bereits aufgrund seines Eigenge¬ wichts ovalfδrmige Formen annehmen, wie sie in Fig. 5A, 6A und 7B dargestellt sind.3 and 4 comprise four or five adjacent shaft layers 11, which determine the ring width B and are perpendicular to the circumferential direction with their wave shape. Such a circular ring body 10 is made of a single shaft material section covered on one side, preferably in shape a roll of corrugated cardboard, spirally wound. Only the winding ends parallel to the wave course are fixed to the outer or inner circumference of the ring body 10 by a glue or other adhesive connection 2. With this singular fixation it is achieved according to the invention that the adjacent shaft layers 11 lie loosely against one another in a compression-free manner and can be displaced relative to one another in a direction perpendicular to the wave course with a flat curvature. It is essential that the outer and inner ring shaft positions are fixed with respect to their circumference, so that these circumferences are fixed. Because of the ring cavity 15 and the ring layers lying loosely adjacent to one another via only one common cover layer 12, the ring cross-sectional shape of the ring body can be determined under pressure on its outer circumference. lent deform. The shaft positions do not mesh with one another, and they are neither crushed nor destroyed. When using very light corrugated material, in particular from recycled waste paper, as is preferably provided for the invention, the material part ring body can already assume oval shapes due to its own weight, as shown in FIGS. 5A, 6A and 7B.
Gemäß Fig. 3 ist der Ringkörper 10 mit außenliegender Decklage 12 gewickelt. Man erreicht dadurch, daß die bei einer Verformung im Ringinneren aneinander gelangenden Ringschichten mit den Kämmen der inneren Wellenlage verzahnen, wie dies in Fig. 1 dargestellt ist. Diese Verzahnung bewirkt, daß sich die Wellenlagen dann prak¬ tisch nicht mehr gegeneinander verschieben lassen und der Profilquerschnitt dadurch stabilisiert ist. Es sei aber darauf hingewiesen, daß dieser Effekt, der beson¬ ders gewünscht sein kann, nur dann auftritt, wenn sich das Materialteil im geformten Zustand in einem auszufül¬ lenden, die Form bestimmenden und haltenden Hohlraum befindet. Nach Entfernung des erfindungsgemäßen Material¬ teils aus einem solchen Hohlraum kann es wiederum in Querschnittsformen anderer zu füllender Zwischen- oder Hohlräume gelegt werden.3, the ring body 10 is wound with an outer cover layer 12. It is thereby achieved that the ring layers which come together in the event of a deformation in the interior of the ring interlock with the ridges of the inner shaft position, as is shown in FIG. 1. This interlocking has the effect that the shaft positions can then practically no longer be shifted against one another and the profile cross section is thereby stabilized. However, it should be pointed out that this effect, which may be particularly desired, only occurs when the material part in the shaped state is in a cavity to be filled in, which determines and holds the shape. After the material part according to the invention has been removed from such a cavity, it can in turn be laid in cross-sectional shapes of other intermediate or hollow spaces to be filled.
Wenn man bei Formung des Materialteils keine Innenver¬ zahnung der inneren Wellenlage wünscht, wird ein Ring¬ körper gemäß Fig. 4 mit im Wickel innenliegender Deck¬ lage 12 vorgesehen.If an internal toothing of the inner shaft position is not desired when the material part is formed, an annular body according to FIG. 4 with an inner cover layer 12 in the winding is provided.
Sehr bedeutend ist, daß sich das erfindungsgemäße Mate¬ rialteil mit zerstörungsfrei bleibenden Wellen mit ausge¬ prägten, in das Materialteilinnere gerichteten ebenen Flächen und konkaven Krümmungen verwenden läßt, so daß es insbesondere bequem um Kanten und stark gekrümmte Vorsprünge gelegt werden kann. Nach einer anderen Ausbildungsform der Erfindung ist vorgesehen, daß der Ringkörper konzentrisch angeordnete, für sich geschlossene kreisringförmige Wellenlagen umfaßt, wobei diese an nur einer Umfangsposition über die Ringbreite durch eine Leim- oder sonstige Klebe¬ verbindung miteinander fixiert sind. Damit werden z.B. ebenfalls die in Fig. 1 und 2 dargestellten Profilformen erreicht.It is very important that the material part according to the invention can be used with non-destructive shafts with pronounced flat surfaces and concave curvatures directed into the interior of the material part, so that it can be placed particularly comfortably around edges and strongly curved projections. According to another embodiment of the invention, it is provided that the ring body comprises concentrically arranged, closed circular shaft layers, which are fixed to one another at only one circumferential position across the ring width by a glue or other adhesive connection. Thus, for example, the profile shapes shown in FIGS. 1 and 2 are also achieved.
Erfindungsgemäße Materialteil-Ringkörper können auch mit einer singulären Fixierung versehen sein, die an einer Umfangsposition, aber entlang der Ringbreite B ausge¬ bildet ist. Auch dann bleibt gewährleistet, daß sich die im Ring befindlichen Lagen zur flexiblen Formung des Materialteils ausreichend relativ zueinander verschieben können.Material part ring bodies according to the invention can also be provided with a singular fixation which is formed at a circumferential position but along the ring width B. Even then it is ensured that the layers in the ring can move sufficiently relative to one another for flexible shaping of the material part.
Wie anhand der Fig. 5A bis 6B dargestellt, kann es beson¬ ders zweckmäßig sein, daß an einem Umfangsteil eines Ringkörpers 10 eine senkrecht zu dem Wellenverlauf und dem Profilquerschnitt sich erstreckende, gegenüber der Krümmungselastizität der Wellenlagen steife oder starre ebene Schicht 3 angeordnet wird. Eine solche Schicht kann aus einem ausgehärteten Klebematerial bestehen. Besonders zweckmäßig ist es aber auch, sie in Form eines Wellenmaterialabschnitts mit quer, insbesondere senk¬ recht zur dem Wellenverlauf des Materialkδrpers 10 gerichtetem Wellenverlauf vorzusehen.As shown in FIGS. 5A to 6B, it can be particularly expedient that a flat layer 3, which is perpendicular to the wave shape and the profile cross section and is rigid or rigid with respect to the elasticity of the wave positions, is arranged on a peripheral part of a ring body 10. Such a layer can consist of a hardened adhesive material. It is also particularly expedient, however, to provide them in the form of a corrugated material section with a transverse, in particular perpendicular to the corrugation of the material body 10.
Um z.B. bei der Formung ein vorgegebenes V- und/oder L-Profil zu erreichen, ist die Schicht 3 gemäß Fig. 5A und 5B am Außenumfang des Ringkörpers 10 durch eine Leim- oder Klebeverbindung befestigt, während gemäß Fig. 6A und 6B eine in das Ringinnere geschobene Schicht 3 vorgesehen ist. Dabei ist der Ringkörper 10 lose (ohne Befestigung) oder ggf. nur mit einer singulären Befesti¬ gungsquelle 31 um die ebene Schicht 3 herumgeführt (Fig. 6A) . Damit ist der Ringkörper 10 in einer ovalen Quer¬ schnittsform fixiert. Mittels einer Schwächungslinie, z.B. einer Kerbe 30, die in der Ringmitte angeordnet ist und sich parallel zu dem Wellenverlauf des Ringkörpers 10 erstreckt, kann das Materialteil 1 dann ohne weiteres in die in Fig. 6B gezeigte L-Form gebracht und auch wieder in die flache Form zurückgeführt werden.In order, for example, to achieve a predetermined V and / or L profile during shaping, the layer 3 according to FIGS. 5A and 5B is attached to the outer circumference of the ring body 10 by a glue or adhesive connection, while according to FIGS. 6A and 6B an in the layer 3 pushed inside the ring is provided. The ring body 10 is loosely (without attachment) or possibly only with a singular attachment source 31 around the flat layer 3 (FIG. 6A). The ring body 10 is thus fixed in an oval cross-sectional shape. Using a line of weakness, For example, a notch 30, which is arranged in the center of the ring and extends parallel to the wave shape of the ring body 10, the material part 1 can then be easily brought into the L-shape shown in FIG. 6B and also returned to the flat shape.
Materialteil-Ringkörper 10 sind vorzugsweise von einem endlos erzeugten kreisringförmigen Wickelstrang, insbe¬ sondere von einem Rollenwellpappe-Ringwickel abgetrennte Körper. Dabei sieht die Erfindung insbesondere vor, daß im Axialabstand an dem Halbzeugstrang und senkrecht zu dem Wellenverlauf angeordnete Perforationslinien vorge¬ sehen sind, so daß auf sehr einfache Weise Materialteile gewünschter Ringhδhen H zur Verfügung stehen, wie dies in Fig. 7A und 7B dargestellt ist.Material part ring bodies 10 are preferably bodies separated from an endlessly produced circular winding strand, in particular from a roll of corrugated cardboard ring winding. In particular, the invention provides that perforation lines arranged axially on the semi-finished product strand and perpendicular to the wave course are provided, so that material parts of desired ring heights H are available in a very simple manner, as is shown in FIGS. 7A and 7B.
Gemäß Fig. 8 besteht eine andere Ausführungsform der Erfindung darin, daß ein Materialkörper 10 eines Mate¬ rialteils 1 ein senkrecht zu dem Wellenverlauf langge¬ streckter, quaderfδrmiger Schichtkörper aus einseitig gedeckte Wellenlagen 11 ist, die getrennte Materialab¬ schnitte bilden. An der einen Körpergrundseite 17 sind die Lagen 11 entlang der Schichtungsstärke B mit einer Klebeverbindung 2 miteinander fixiert. Aufgrund dieser singulären Fixierung bleiben die Lagen 11 im übrigen bei Krümmung K in zu dem Wellenverlauf senkrechten Richtun¬ gen verschiebbar, so daß auch ein solches erfindungsge¬ mäßes Materialteil je nach seiner Länge E in die ver¬ schiedensten Querschnittsformen gelegt werden kann. In jedem Fall beträgt die Erstreckungslänge E senkrecht zu dem Wellenverlauf und senkrecht zu der Schichtungsrich¬ tung ein Mehrfaches der Schichtungsstärke B. Je nach Anwendungsfall ist es möglich, nur eine Gruppe G der Wellenlagen 11 zu krümmen. According to FIG. 8, another embodiment of the invention consists in that a material body 10 of a material part 1 is a parallelepiped-shaped, layer-like laminate body that is elongated perpendicular to the wave shape and consists of shaft layers 11 covered on one side, which form separate material sections. The layers 11 are fixed to one another on the base side 17 of the body along the layer thickness B with an adhesive connection 2. Because of this singular fixation, the layers 11 remain displaceable at curvature K in directions perpendicular to the wave form, so that even such a material part according to the invention can be placed in various cross-sectional shapes depending on its length E. In any case, the extension length E perpendicular to the wave shape and perpendicular to the layering direction is a multiple of the layer thickness B. Depending on the application, it is possible to curve only one group G of the shaft layers 11.

Claims

A n s p r ü c h e : Expectations :
1. Materialteil (1) niedrigen Volumengewichts zum gegen Beschädigung geschützten Verpacken von Ver¬ packungsgut in einem Verpackungsbehälter, bestehend aus einem einseitig gedecktes Wellenmaterial umfas¬ senden, mit gleich gerichtetem Wellenverlauf mehr¬ lagig geschichteten Materialkörper (10) , in dem in Schichtungsrichtung benachbarte Wellenlagen mit einer gemeinsamen Decklage (12) ohne Eingriff inein¬ ander komprimierungsfrei aneinanderliegen und des¬ sen Erstreckungslänge (L,E) senkrecht zu dem Wellen¬ verlauf (S) und senkrecht zu der Schichtungsrich¬ tung ein Mehrfaches der Schichtungsstärke (B) be¬ trägt, d a d u r c h g e k e n n z e i c h ¬ n t , daß der Materialkörper (10) mit einer sin¬ gulären Fixierung derart zusammengehalten ist, daß die benachbarten Wellenlagen (11) komprimierungs- frei lose aneinanderliegend und unter flächiger, ins Körperinnere gerichteter Krümmung relativ zuein¬ ander in zu dem Wellenverlauf (S) senkrechten Rich¬ tungen verschiebbar sind.1. Material part (1) of low volume weight for protecting packaged goods against damage in a packaging container, consisting of a shaft material covered on one side, with multilayered layered material body (10) in the same direction, in the adjacent layers of waves in the layering direction with a common cover layer (12) without engagement in one another without compression and whose extension length (L, E) perpendicular to the wave course (S) and perpendicular to the layering direction is a multiple of the layer thickness (B) , characterized in that the material body (10) is held together with a singular fixation in such a way that the adjacent shaft positions (11) lie loosely against one another without compression and with a flat curvature directed towards the inside of the body relative to one another in relation to the wave pattern ( S) vertical directions different are viable.
2. Materialteil nach Anspruch 1, d a d u r c h g e k e n n z e i c h n e t , daß der Materialkör¬ per (10) ein senkrecht zu dem Wellenverlauf (S) langgestreckter prismen-, insbesondere quaderförmi- ger Schichtkörper aus die Wellenlagen (11) getrennt voneinander bildenden Materialabschnitten ist, wo¬ bei die Lagen über die Schichtungsstärke ausschlie߬ lich entweder an der einen Körpergrundseite (17) oder entlang einer quer zum Wellenverlauf sich er¬ streckenden Verbindungsstelle miteinander durch eine Leim- oder sonstige Klebeverbindung (2) Singu¬ lar fixiert sind.2. Material part according to claim 1, characterized in that the material body (10) is a perpendicular to the wave shape (S) elongated prismatic, in particular cuboid layered body made of the shaft layers (11) separately from each other forming material sections, where the Layers above the layer thickness are only fixed to one another either on the base side (17) of the body or along a connection point extending transversely to the wave shape by means of a glue or other adhesive connection (2).
3. Material teil nach Anspruch 2, d a d u r c h g e k e n n z e i c h n e t , daß der Schichtkör- per (10) ein von einem Platten-, Tafel-, Block¬ oder Strangform aufweisenden Halbzeugkörper abge¬ trenntes Teil ist, wobei vorzugsweise an den Lagen des Halbzeugkörpers in der Schichtung übereinander- liegende Perforationslinien unter Bildung einer Trennebene zur Abtrennung ausgebildet sind.3. Material part according to claim 2, characterized in that the laminate per (10) is a part separated from a plate, table, block or strand shape having semifinished body, wherein perforations lines lying one above the other in the layering are preferably formed on the layers of the semifinished body to form a parting plane for separation.
4. Materialteil nach Anspruch 1, d a d u r c h g e k e n n z e i c h n e t , daß der Materialkör¬ per aus einem geschlossenen Ringkörper (10) mit Kreisquerschnitt besteht, der wenigstens zwei anein- anderliegende, durch die Schichtungsstärke (B) die Ringbreite bestimmende sowie mit ihrem Wellenver¬ lauf (S) senkrecht zur Umfangsrichtung liegende Wel¬ lenlagen (11) umfaßt, dessen Außen- und Innenumfang festgelegt ist und dessen Ringinnenu fang ein Mehr¬ faches der Ringbreite (B) beträgt.4. Material part according to claim 1, characterized in that the material body consists of a closed ring body (10) with a circular cross-section, the at least two adjacent, by the layer thickness (B) determining the ring width and with their wave course (S) Shaft layers (11) lying perpendicular to the circumferential direction, the outer and inner circumference of which are fixed and the inner ring circumference of which is a multiple of the ring width (B).
5. Materialteil nach Anspruch 4, d a d u r c h g e k e n n z e i c h n e t , daß der Ringkörper wenigstens zwei getrennte, konzentrisch angeordnete kreisringförmige Wellenlagen umfaßt, die nur an einer Umfangsposition über die Ringbreite durch eine Leim- oder sonstige Klebeverbindung mitein¬ ander fixiert sind.5. Material part according to claim 4, d a d u r c h g e k e n n z e i c h n e t that the ring body comprises at least two separate, concentrically arranged annular wave layers, which are fixed to each other only at a circumferential position across the ring width by a glue or other adhesive connection.
6. Materialteil nach Anspruch 4, d a d u r c h g e k e n n z e i c h n e t , daß der Ringkörper (10) aus einem aus einem einzigen Materialabschnitt gebildeten Wickelkörper mit wenigstens zwei aneinan¬ derliegenden Spiralwellenlagen besteht.6. Material part according to claim 4, so that the ring body (10) consists of a winding body formed from a single material section with at least two mutually adjacent spiral shaft layers.
7. Materialteil nach Anspruch 6, d a d u r c h g e k e n n z e i c h n e t , daß nur die mit dem Wellenverlauf parallelen Winkelenden durch eine Leim- oder sonstige Klebeverbindung (2) am Außen¬ bzw. Innenumfang des Körpers (10) fixiert sind. 7. Material part according to claim 6, characterized in that only the angular ends parallel to the wave form are fixed by a glue or other adhesive connection (2) on the outer or inner circumference of the body (10).
8. Material eil nach Anspruch 6, d a d u r c h g e k e n n z e i c h n e t , daß die Spiralwellen¬ lagen des Ring-Wickelkörpers nur an einer Umfangs¬ position über die Ringbreite durch eine Leim- oder sonstige Klebeverbindung miteinander fixiert sind.8. Material hurry according to claim 6, d a d u r c h g e k e n e z e i c h n e t that the Spiralwellen¬ layers of the ring bobbin are fixed to each other only at a circumferential position over the ring width by a glue or other adhesive connection.
9. Materialteil nach einem der Ansprüche 6 bis 8, d a d u r c h g e k e n n z e i c h n e t , daß der Materialkörper ein von einem endlos erzeugten Wickelstrang, insbesondere von einem Rollenwell¬ pappe-Wickel abgetrennter Körper ist.9. Material part according to one of claims 6 to 8, that the material body is a body separated from an endlessly produced winding strand, in particular from a roll of corrugated cardboard.
10. Materialteil nach Anspruch 9, d a d u r c h g e k e n n z e i c h n e t , daß der Materialkör¬ per ein von einem endlos erzeugten Wickelstrang über in Abständen in axialer Richtung an dem Strang und senkrecht zu dem Wellenverlauf angeordnete Per¬ forationslinien abgetrennter Körper ist (Fig. 7A) .10. Material part according to claim 9, so that the material body is a body separated from an endlessly produced winding strand via perforation lines arranged at intervals in the axial direction and perpendicular to the wave profile (FIG. 7A).
11. Materialteil nach einem der Ansprüche 1 bis 10, d a d u r c h g e k e n n z e i c h n e t , daß der Materialkörper (10) eine gleich bleibende Schichtungsstärke aufweist.11. Material part according to one of claims 1 to 10, that the material body (10) has a constant layer thickness.
12. Materialteil nach einem der Ansprüche 1 bis 11, d a d u r c h g e k e n n z e i c h n e t , daß an einem Umfangsteil des Materialkörpers (10) eine senkrecht zu dessen Wellenverlauf sich erstreckende und gegenüber der Krümmungselastizität der Wellenla¬ gen steife, insbesondere ebene Schicht (3) angeord¬ net ist.12. Material part according to one of claims 1 to 11, so that a circumferential part of the material body (10) is arranged on a peripheral part of the material body (10), which is perpendicular to its wave form and is rigid, in particular flat, layer (3) relative to the elasticity of curvature of the wave layers.
13. Materialteil nach Anspruch 12, d a d u r c h g e k e n n z e i c h n e t , daß die an sich steife Schicht (3) mit einer parallel zu dem Wellen¬ verlauf des Materialkörpers (10) sich erstreckenden Materialschwächung (30) wie einer Kerbe od.dgl. ver¬ sehen ist. 13. Material part according to claim 12, characterized in that the inherently rigid layer (3) with a parallel to the wave course of the material body (10) extending material weakening (30) or the like or the like. is seen.
14. Materialteil nach Anspruch 12 oder 13, d a ¬ d u r c h g e k e n n z e i c h n e t , daß die steife Schicht (3) aus einem Wellenmaterialab- schnitt mit quer, insbesondere senkrecht zu dem Wellenverlauf des Materialkörpers (10) gerichtetem Wellenverlauf besteht.14. Material part according to claim 12 or 13, so that the rigid layer (3) consists of a corrugated material section with a transversely, in particular perpendicular to the corrugation of the material body (10) directed corrugation.
15. Materialteil nach einem der Ansprüche 1 bis 14, d a d u r c h g e k e n n z e i c h n e t , daß das Wellenmaterial einseitig gedeckte Wellpappe ist.15. Material part according to one of claims 1 to 14, that the corrugated material is corrugated board covered on one side.
16. Materialteil nach einem der Ansprüche 1 bis 15, d a d u r c h g e k e n n z e i c h n e t , daß das Wellenmaterial aus Papier, vorzugsweise voll¬ ständig aus Recycling-Altpapier besteht. 16. Material part according to one of claims 1 to 15, that the shaft material is made of paper, preferably completely made of recycled waste paper.
EP92900064A 1990-12-03 1991-12-03 Low-density element made of corrugated material Expired - Lifetime EP0559718B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE9016554U DE9016554U1 (en) 1990-12-03 1990-12-03 Low volume weight material part made of corrugated material (I)
DE9016554U 1990-12-03
PCT/EP1991/002303 WO1992009501A1 (en) 1990-12-03 1991-12-03 Low-density element made of corrugated material

Publications (2)

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EP0559718A1 true EP0559718A1 (en) 1993-09-15
EP0559718B1 EP0559718B1 (en) 1995-08-30

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AT (1) ATE127089T1 (en)
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WO1992009501A1 (en) 1992-06-11
ATE127089T1 (en) 1995-09-15
DE9016554U1 (en) 1992-04-02
DE59106389D1 (en) 1995-10-05
US5431985A (en) 1995-07-11
EP0559718B1 (en) 1995-08-30

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