EP0398790B1 - Vorrichtung aus formgeschäumtem Polystyrol für den Schutz von Objekten gegen Stösse - Google Patents

Vorrichtung aus formgeschäumtem Polystyrol für den Schutz von Objekten gegen Stösse Download PDF

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Publication number
EP0398790B1
EP0398790B1 EP19900401257 EP90401257A EP0398790B1 EP 0398790 B1 EP0398790 B1 EP 0398790B1 EP 19900401257 EP19900401257 EP 19900401257 EP 90401257 A EP90401257 A EP 90401257A EP 0398790 B1 EP0398790 B1 EP 0398790B1
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EP
European Patent Office
Prior art keywords
members
teeth
assembly
comb
elements
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
EP19900401257
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English (en)
French (fr)
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EP0398790A1 (de
Inventor
André Barbarit
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.)
Isobox Technologies SAS
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Isobox Technologies SAS
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Publication date
Application filed by Isobox Technologies SAS filed Critical Isobox Technologies SAS
Publication of EP0398790A1 publication Critical patent/EP0398790A1/de
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Publication of EP0398790B1 publication Critical patent/EP0398790B1/de
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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
    • B65D81/107—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 using blocks of shock-absorbing material

Definitions

  • the subject of the invention is a device for protecting and / or maintaining an object in expanded polystyrene or in a material of a similar type consisting of the assembly of at least two elements each having a part shaped according to a comb, the teeth are provided with means which allow the two said elements to be joined together by simple bringing together and interlocking of a comb part of an element in the comb part of the other element.
  • Profiles of expanded polystyrene have already been used for a long time to maintain and / or protect against impact shock fragile objects, be they appliances, machine parts, or even furniture or parts constituting furniture. Whatever the field of application, but in particular in that of the furniture industry, the protection and / or support profiles based on expanded polystyrene are frequently shaped according to gutters, with a U-shaped cross section, enclosed in an overwrapping in heat-shrinkable plastic film.
  • FR-A-2 609 695 has also already proposed a device comprising at least two pairs of complementary bars in the form of angles, arranged one above the other to form a cross-section protection element.
  • U can be fitted on one of the edges of the object or objects to be packaged, these two bars being assembled due to the overlapping of complementary projecting teeth provided on one and the other of these, and being provided, at their ends, with retaining tabs capable of 'be eventually eliminated.
  • a device for protecting and / or holding an object in expanded polystyrene or in a similar material constituted by the assembly of at least two elements each having a shaped part according to a comb, the teeth of which are provided with means which allow the meeting and the maintenance between them of the two said elements by simple bringing together and interlocking of a comb part of an element in the comb part of the other is characterized, according to the invention, in that for the maintenance of the said two elements between them against a possible separation by displacement in a direction opposite to that which caused their meeting the assembly makes use of reliefs, of manufacture even during molding or by subsequent shaping, on the lateral faces of the teeth comb which are transverse to the longitudinal direction of the element and which are intended to cooperate with each other of two adjacent elements.
  • the reliefs are undulations whose pitch is chosen to allow obtaining a protection and / or holding device suitable for most of the objects with which it must cooperate.
  • the reliefs are streaks whose cross section is somewhat in the shape of a saw blade or "fishbone”.
  • the pitch of the comb teeth of each element is chosen according to the wishes of the practice and, in any event, so as to allow both the assembly of objects of small width on the one hand and, on the other hand, guarantee the desired rigidity of the device.
  • the assembly applies the elasticity of the material which constitutes them and the very shape of the teeth which, seen in plan, have a slight undercut on each of their faces intended to cooperate with the conjugate faces of an adjacent element.
  • each element has substantially the shape of an angle iron, with an L-shaped cross section, one of the branches of which has the assembly teeth to the other angle and of which the other branch is full, the device thus having, after joining the elements together, substantially a shape of gutter with U-shaped cross section.
  • FIGS. 1 to 3 illustrate a device 10 made of expanded polystyrene or a similar material for holding and / or protecting objects, in particular against impact and which, in the form of embodiment described and shown, is a gutter with wings 11 and 12 joined by a transverse core 13 giving the assembly a straight U-shaped section which covers the edge T of the object O to be maintained or protected.
  • the device 10 results from the assembly between them of at least two elements e1 and e2 in the general form of an angle iron, of cross section in L, one branch 11, 12 of which is full and the other of which is shaped according to a comb whose teeth are referenced 15 référ, 152, 153, ... etc for the element e1 and 161, 162, 163, ... etc for the element e2, respectively, the teeth 15 and 16 being provided with means which allow the maintenance, after assembly between them, of elements such as e1 and e2 by simple bringing together and interlocking of the teeth of one of the elements in the inter-dental intervals of the other element, as clearly visible in FIGS. 2 and 3, the nesting being facilitated by the chamfers formed at the free ends of the teeth.
  • the teeth 15 and 16 of the elements e1 and e2, respectively, are provided on their faces transverse to the longitudinal direction of the elements, as shown in 17 and 18 for the element e1 and in 19 and 20 for the element e2, reliefs obtained during the manufacturing itself by molding the elements or, alternatively, by shaping after molding.
  • the reliefs form, on the faces like 17, 18, 19 and 20 of the teeth of the elements, streaks prevailing over the entire height h of the teeth and the cross section of which is somewhat like a saw blade or fishbone, as well shown in Figure 4 where we marked by p the streak pitch and by d their depth.
  • the teeth 15, 16 of each element e1 and e2 have on their faces transverse to the longitudinal direction of the element regular undulations whose pitch is also marked in p and the depth in d .
  • each element e1 and e2 have on each of their faces transverse to the longitudinal direction a slight undercut illustrated schematically in the figure by the angle ⁇ existing between the face transverse of the tooth and normal to the longitudinal direction of the elements, which are assembled by taking advantage of the elasticity of the material which constitutes them.
  • the width of the core 13 of the U-shaped device can be adjusted to obtain a profile suitable for being associated with each object O depending on the thickness i thereof, simply by fitting more or less totally or deeply the teeth of one element in the inter-dental intervals of the other.
  • Such elements assembled head to tail and offset, for example, by 600 mm, then sectioned, thus allow the production of elements of desired length, according to the wishes of the practice and whose opening corresponding to the dimension i of objects to be protected and / or maintained can vary in steps of 5 mm, from 35 to 50 mm, then from 55 to 90 mm, then from 95 to 165 mm.
  • the invention makes use of more than two elements, for example additional elements such as the element e3, FIG. 2, connected to the element e2 by a pin like 25 prevailing on the wing 12 and part of a tooth.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Buffer Packaging (AREA)
  • Clamps And Clips (AREA)

Claims (6)

  1. Vorrichtung aus geschäumtem Polystyrol oder aus einem analogen Material zum Schutz und/oder zum Halten eines Gegenstandes, die aus dem Verbund von mindestens zwei Elementen (e₁, e₂) gebildet wird, von denen jedes einen, einem Kamm entsprechenden Abschnitt besitzt, dessen Zähne (15, 16) mit Mitteln versehen sind, die den Zusammenschluß der besagten beiden Elemente (e₁, e₂) und das gegenseitige Halten mittels einfacher Annäherung und Ineinandergreifen eines kammartigen Abschnittes eines Elements in den kammartigen Abschnitt des anderen ermöglichen, dadurch gekennzeichnet, daß der Verbund der zwei besagten Elemente (e₁, e₂) zum gegenseitigen Halten gegen eine eventuelle Trennung durch Verschiebung in eine Richtung, die derjenigen, die ihr Ineinandergreifen verursacht hat, entgegengesetzt ist, Reliefs verwendet, die bei der Herstellung durch Formgebung selbst oder durch spätere Bearbeitung auf den Seitenflächen (17, 18 ; 19, 20) der Zähne (15, 16) des Kammes, die quer zur Längsrichtung des Elementes stehen, ausgespart sind und die dazu vorgesehen sind, die beiden benachbarten Elemente (e₁, e₂) zusammenzuhalten.
  2. Vorrichtung gemäß Anspruch 1, dadurch gekennzeichnet, daß die Reliefs wellenförmig sind (Abbildung 5).
  3. Vorrichtung gemäß Anspruch 1, dadurch gekennzeichnet, daß die Reliefs Rillen sind, deren Querschnitt ein wenig wie ein Sägeblatt oder eine Fischgräte ist (Abbildung 4).
  4. Vorrichtung gemäß Anspruch 1, dadurch gekennzeichnet, daß der Verbund der beiden Elemente (e₁, e₂) die Elastizität des Materials, aus dem sie bestehen, und die Form der Zähne, die in der Ebene gesehen eine leichte Querneigung (α) auf jeder ihrer Seitenflächen besitzen, die dafür vorgesehen sind, mit den konjugierten Seitenflächen eines benachbarten Elements zusammenzuwirken, verwendet (Abbildung 6).
  5. Vorrichtung gemäß einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß jedes Element (e₁, e₂) ungefähr die Form eines Winkels mit einem Querschnitt in Form eines L besitzt, dessen einer Schenkel die Zähne (15, 16) des Verbundes zum anderen Winkel aufweist und der die Mittel der beiden Elemente zum gegenseitigen Halten umfaßt und dessen zweiter Schenkel eben ist, wobei die Vorrichtung also nach dem Zusammenbau etwa Rinnenform mit U-förmigem Querschnitt besitzt.
  6. Vorrichtung gemäß Anspruch 5, dadurch gekennzeichnet, daß sie aus Elementen (e₁, e₂) mit einer einheitlichen Länge von etwa 1200 mm, einer Dicke von 25 mm und mit Zähnen und Zwischenräumen zwischen den Zähnen in einer Größe zwischen 40 und 60 mm hergestellt wird.
EP19900401257 1989-05-12 1990-05-11 Vorrichtung aus formgeschäumtem Polystyrol für den Schutz von Objekten gegen Stösse Expired - Lifetime EP0398790B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8906237 1989-05-12
FR8906237 1989-05-12

Publications (2)

Publication Number Publication Date
EP0398790A1 EP0398790A1 (de) 1990-11-22
EP0398790B1 true EP0398790B1 (de) 1993-10-20

Family

ID=9381603

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900401257 Expired - Lifetime EP0398790B1 (de) 1989-05-12 1990-05-11 Vorrichtung aus formgeschäumtem Polystyrol für den Schutz von Objekten gegen Stösse

Country Status (4)

Country Link
EP (1) EP0398790B1 (de)
DE (1) DE69004000T2 (de)
DK (1) DK0398790T3 (de)
ES (1) ES2046725T3 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9500416A (nl) * 1995-03-02 1996-10-01 Bestpak Holding Bv Verpakkingselement en werkwijze voor het verpakken van een voorwerp.
GB9916496D0 (en) * 1999-07-15 1999-09-15 Universal Pulp Packaging Ltd Improved packing block

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2609695B3 (fr) * 1987-01-21 1989-04-28 Sauthon Sa Meubles Dispositif de protection et de calage pour l'emballage d'articles divers

Also Published As

Publication number Publication date
DE69004000T2 (de) 1994-02-10
DE69004000D1 (de) 1993-11-25
DK0398790T3 (da) 1994-02-28
EP0398790A1 (de) 1990-11-22
ES2046725T3 (es) 1994-02-01

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