EP0478414B1 - Schutzhülle für die Verpackung von schweren Produkten sowie Verpackungsverfahren unter Benutzung derselben - Google Patents

Schutzhülle für die Verpackung von schweren Produkten sowie Verpackungsverfahren unter Benutzung derselben Download PDF

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Publication number
EP0478414B1
EP0478414B1 EP91402444A EP91402444A EP0478414B1 EP 0478414 B1 EP0478414 B1 EP 0478414B1 EP 91402444 A EP91402444 A EP 91402444A EP 91402444 A EP91402444 A EP 91402444A EP 0478414 B1 EP0478414 B1 EP 0478414B1
Authority
EP
European Patent Office
Prior art keywords
envelope
product
packaging
protective
heavy products
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
EP91402444A
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English (en)
French (fr)
Other versions
EP0478414A1 (de
Inventor
Jean-Claude Vilas-Boas
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.)
Bull SAS
Original Assignee
Bull SAS
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Filing date
Publication date
Application filed by Bull SAS filed Critical Bull SAS
Publication of EP0478414A1 publication Critical patent/EP0478414A1/de
Application granted granted Critical
Publication of EP0478414B1 publication Critical patent/EP0478414B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/02—Wrapped articles enclosed in rigid or semi-rigid containers

Definitions

  • the present invention relates to a protective envelope for the packaging of heavy products, made of a flexible plastic material, forming a substantially rectangular contour pocket closed on two of its four sides, the two lateral parts. It also relates to a packaging process using such an envelope.
  • the products to be packaged are protected from shocks by means of wedging systems before being enclosed in packaging or in crates.
  • the wedging systems used generally consist of polystyrene blocks in the form of wedges or half-shells having a certain rigidity in order to avoid direct transmission of shocks.
  • the conditioned product is inevitably subjected to vibrations and slight displacements and frictions inside the wedging system which has the effect of leaving marks and degrading the external appearance of the packaged product (for example deterioration of the paint).
  • the object of the present invention is to remedy these various drawbacks of the prior art and proposes a protective envelope which, at a practically equivalent cost, offers great flexibility of use during the packaging operation, which can therefore be made easily automated.
  • the protective envelope mentioned in the preamble is remarkable in that the third side corresponding to the bottom of the envelope and the fourth side are more partially closed, while from said bottom is provided a passage means to allow d on the one hand the introduction of the product to be packaged into said envelope while the product is maintained by means of a gripping member and on the other hand the release of the gripping member once the envelope is arranged around the product.
  • the passage means consists of a cutout made from the bottom of the envelope and over its entire thickness in a plane substantially orthogonal and median to said bottom of the envelope and over approximately three quarters of the length of the envelope.
  • the idea of the invention makes it possible to considerably facilitate the introduction of the product into the envelope, any discomfort due to the presence of the gripping member being eliminated by virtue of the passage means practiced in the envelope which also allows convenient release of the gripping member.
  • the closing of the envelope is also facilitated since it follows the shape of the product and it is no longer necessary to close the opening with an adhesive tape, which saves time and reduces the cost of the packaging operation.
  • An advantageous characteristic of the invention also makes it possible to remedy this other drawback and to considerably facilitate the unpacking operation.
  • the protective envelope further comprises, on its fourth side, a gripping means for extracting and / or holding the product-envelope assembly thus conditioned.
  • the gripping means consists of a strip of material cut in the extension of said envelope over a fraction. center of the width of its fourth side, strip which is closed at its end furthest from the fourth side of the envelope, thus forming a loop making it possible to extract and / or hold the product-envelope assembly.
  • the hand (or any extraction member) can then be passed inside the loop ensuring in a simple and efficient manner the extraction or the support of the product-envelope assembly.
  • the gripping means can comprise a stiffened part ensuring a balanced distribution of the tensile and tensile forces over the entire width of the gripping means.
  • This stiffened part can be obtained by welding the strip in extension of the envelope in two symmetrical segments each originating from an edge of the closed end of the strip and for end a common point located on the median axis of the strip. .
  • the protective envelope according to the invention can be advantageously used in a packaging process during which, the heavy product being maintained by means of a gripping member, in a first step called presentation of the envelope, the two ends of the bottom are spaced on either side of the passage means and the envelope thus opened is presented to receive the heavy product, in a second step called laying the envelope, said envelope is engaged and slid around the heavy product until '' to completely cover it, in a third step called inserting wedges a wedging system is placed on the product-envelope assembly and in a last step called packaging, the product wrapped and fitted with the wedging system in a package while the gripping member is released, free to pass through the passage means.
  • Figure 1 gives an embodiment of a protective envelope according to the invention according to a top view.
  • Figure 2 provides a perspective view of the protective cover of Figure 1.
  • FIG. 3 represents a variant of the protective envelope of FIG. 1.
  • Figure 4 shows in four stages a packaging process using the protective envelope according to the invention.
  • FIG. 1 is proposed the top view of an embodiment of a protective envelope 1 for the packaging of heavy products.
  • This envelope 1 is made of a flexible plastic material forming a pocket of substantially rectangular outline closed on two of its four sides, the two lateral parts S2 and S3.
  • the third side S1 corresponding to the bottom of the envelope and the fourth side S4 are partially closed while, from the bottom S1 is provided a passage means 2 to allow on the one hand l introduction of the product to be packaged into said envelope 1 while the product is held by means of a gripping member (see FIGS. 4a and 4b) and on the other hand the release of the gripping member once the envelope is placed around the product.
  • the passage means 2 consists of a cutout made from the bottom S1 of the envelope and over its entire thickness in a plane substantially orthogonal and median to said bottom of the envelope and as shown in the example of FIG. 1, over approximately three quarters of the length of the envelope.
  • the protective envelope further comprises, as an extension of its fourth side S4, a gripping means 3 for extracting and / or holding the product-envelope assembly thus conditioned.
  • a gripping means 3 which consists of a strip of material cut in the extension of the casing 1 over a central fraction of the width of its fourth side S4.
  • the strip is closed at its end S5 furthest from the fourth side S4 and thus forms a loop which serves as a handle making it possible to extract from its packaging and / or to hold the product-envelope assembly.
  • the protective envelope can advantageously be produced in series from a hose of flattened flexible plastic material and preferably forming a bellows on each of its lateral parts, each envelope being cut out. to the desired length and shape and closed by welding at the predetermined locations.
  • the casing material used for the manufacture of the protective covering may for example be transparent polyethylene, the thickness of which must be chosen according to the weight of the products to be packaged.
  • the flattened hose with its two lateral bellows 4 and 5 is cut to the desired length and according to the shape (pocket with its extension).
  • the bottom S1, the non-extended part of the side S4 as well as the end S5 of the gripping means 3 are welded and the cutting of the passage means 2 is carried out.
  • the stiffened part S6 of the gripping means can be obtained by welding the strip 3 along two symmetrical segments each originating from an edge (A, B) of the closed end S5 of the strip and for end a common point C located on the median axis of the strip.
  • the two symmetrical segments are linear and thus generate a stiffened part S6 in the form of an inverted V.
  • the welded surfaces S1, S4, S5 and S6 appear in hatching in FIG. 1.
  • two short cuts 6 and 7 are advantageously made in the extension of gripping means 3 towards the inside of the protective envelope. Cutouts 2, 6 and 7 are shown in phantom in the drawing.
  • FIG. 3 is shown a variant of the envelope 1 which can advantageously be produced in series, the gripping means 3 of each envelope then being cut out from the bottom of the preceding envelope. In this way there is no longer any loss of material and the cost of an envelope can thus be further improved.
  • FIG. 4 are shown diagrammatically four stages (4a, 4b, 4c, 4d) of a packaging method using the protective envelope 1 according to the invention (the stiffened part S6 is not shown to avoid overloading the drawing ).
  • the product to be packaged 10 is during these four stages maintained by a gripping member 11 which in the figure is represented by a suction cup affixed to the upper surface of said product.
  • the gripping member is preferably articulated so as to orient and move the heavy product without difficulty.
  • Figure 4a is the first step called presentation of the envelope.
  • the two ends of the bottom S1 are spaced on either side of the passage means 2 thus opening the envelope which is presented to cover the product 10.
  • the second so-called envelope laying step is shown in Figure 4b.
  • the envelope 1 is engaged and slid around the product 10 until completely covering it without being hindered by the gripping member 11.
  • the expansion of each of the bellows 4 and 5 allows the envelope to marry the form of product to be packaged 10.
  • the third step is called inserting wedges.
  • the envelope 1 is at this instant completely closed on the product.
  • the wedging system two polystyrene half-shells 12a and 12b are shown here.
  • the product wrapped and fitted with the wedging system is introduced into a package (represented here by a cardboard box 13), the gripping means 3 of the envelope being oriented so as to be find the opening side of the package at the end of the introduction.
  • a package represented here by a cardboard box 13
  • the gripping means 3 of the envelope being oriented so as to be find the opening side of the package at the end of the introduction.
  • the gripping member 11 is released free to pass through the passage means 2.
  • such a protective envelope makes it possible to considerably facilitate the packaging and unpacking operations while remaining simple to execute and at a very moderate cost.
  • the packaging process using such an envelope can be easily automated because the the very design of the envelope makes it possible to mechanize its positioning on the product.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)

Claims (10)

  1. Schutzhülle (1) für die Verpackung von schweren Produkten (10) aus einem Material aus geschmeidigem Kunststoff, die eine an zwei ihrer vier Seiten, den beiden Seitenteilen (S2, S3), geschlossene Tasche mit einem im wesentlichen rechteckigen Umfang bildet, dadurch gekennzeichnet, daß die dem Boden der Hülle (1) entsprechende dritte Seite S1 und die vierte Seite (54) außerdem teilweise geschlossen sind, während ausgehend von dem Boden (S1) ein Durchgangsmittel (2) vorgesehen ist, um zu ermöglichen, daß einerseits das zu verpackende Produkt (10) in die Hülle (1) eingeführt wird, während das Produkt (10) mittels eines Greiforgans (11) gehalten wird, und andererseits das Greiforgan (11) gelöst wird, wenn die Hülle (1) um das Produkt (10) angeordnet ist.
  2. Schutzhülle (1) für die Verpackung von schweren Produkten (10) nach Anspruch 1, dadurch gekennzeichnet, daß das Durchgangsmittel (2) aus einem Ausschnitt besteht, der ausgehend von dem Boden (S1) der Hülle (1) und über ihre gesamte Dicke längs einer im wesentlichen zu dem Boden (S1) der Hülle (1) senkrechten und mittigen Ebene sowie über etwa drei Viertel der Länge der Hülle (1) angebracht ist.
  3. Schutzhülle (1) für die Verpackung von schweren Produkten (10) nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß sie ferner in Verlängerung ihrer vierten Seite (S4) ein Greifmit- tel (3) aufweist, um die so verpackte Einheit aus dem Produkt und der Hülle (10, 1) herauszuziehen und/oder zu halten.
  4. Schutzhülle (1) für die Verpackung von schweren Produkten (10) nach Anspruch 3, dadurch gekennzeichnet, daß das Greifmittel (3) aus einem Band aus einem in der Verlängerung der Hülle (1) an einem zentralen Teil der Breite ihrer vierten Seite (S4) ausgeschnittenen Material besteht, das an seinem von der vierten Seite (S4) der Hülle (1) am weitesten entfernten Ende (S5) geschlossen ist und so eine Schlaufe bildet, die das Herausziehen und/oder Halten der Einheit aus dem Produkt und der Hülle (10, 1) ermöglicht.
  5. Schutzhülle (1) für die Verpackung von schweren Produkten (10) nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß das Greifmittel (3) ferner einen versteiften Teil (S6) aufweist, der eine ausgeglichene Verteilung der Zug- und Spannungskräfte über die gesamte Breite des Greifmittels (3) sicherstellt.
  6. Schutzhülle (1) für die Verpackung von schweren Produkten (10) nach Anspruch 5, dadurch gekennzeichnet, daß der versteifte Teil (S6) durch Schweißung des Bandes (3) in Verlängerung der Hülle (1) entlang zweiter symmetrischer Segmente erhalten ist, die jeweils einen Rand (A, B) des geschlossenen Endes (S5) des Bandes (3) als Ausgangspunkt und einen auf der Mittelachse das Bandes (3) gelegenen, gemeinsamen Punkt (C) als Ende aufweisen.
  7. Schutzhülle (1) für die Verpackung von schweren Produkten (10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß sie ausgehend von einem abgeflachten Schlauch aus einem geschmeidigen Kunststoffmaterial hergestellt ist, der an jeder seiner Seitenteile (S2, S3) einen Balg (4, 5) bildet, wobei jede Hülle (1) auf die gewünschte Länge und nach der gewünschten Form abgeschnitten und durch Schweißung an vorbestimmten Stellen (S1, S4, S5, S6) verschlossen ist.
  8. Schutzhülle (1) für die Verpackung von schweren Produkten (10) nach Anspruch 7, dadurch gekennzeichnet, daß in der Verlängerung des Greifmittels (3) ins Innere der Schutzhülle (1) zwei kurze Ausschnitte (6, 7) vorgesehen sind.
  9. Schutzhülle (1) für die Verpackung von schweren Produkten (10) nach Anspruch 8, dadurch gekennzeichnet, daß sie in Serie hergestellt wird, wobei das Greifmittel (3) jeder Hülle (1) dann aus dem Boden (S1) der vorhergehenden Hülle ausgeschnitten wird.
  10. Verfahren zum Verpacken von schweren Produkten (10) unter Verwendung der Schutzhülle (1) nach einem der vorhergehenden Ansprüche, wobei das schwere Produkt (10) mittels eines Greiforgans (11) gehalten wird, dadurch gekennzeichnet, daß in einem ersten, sogenannten Schritt des Präsentierens der Hülle die beiden Enden des Bodens (S1) beiderseits des Durchgangsmittels (2) entfernt werden und die so geöffnete Hülle (1) präsentiert wird, um das schwere Produkt (10) zu überdecken, daß man in einem zweiten, sogenannten Schritt des Setzens der Hülle die Hülle (1) um das schwere Produkt (10) in Eingriff bringt und gleiten läßt, bis es vollständig überdeckt ist, daß in einem dritten, sogenannten Schritt des Einfügens von Verkeilungen ein Verkeilungssystem (12a, 12b) an der Einheit aus dem Produkt und der Hülle (10, 1) angeordnet wird, und daß in einem letzten, sogenannten Verpackungs- schritt das umhüllte und mit dem Verkeilungssystem (12a, 12b) versehene Produkt in eine Verpackung (13) eingeführt wird, während das Greifmittel (11), das frei das Durchgangsmittel durchqueren kann, gelöst wird.
EP91402444A 1990-09-27 1991-09-13 Schutzhülle für die Verpackung von schweren Produkten sowie Verpackungsverfahren unter Benutzung derselben Expired - Lifetime EP0478414B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9011946 1990-09-27
FR9011946A FR2667296B1 (fr) 1990-09-27 1990-09-27 Enveloppe protectrice pour le conditionnement de produits pesants et procede de conditionnement utilisant une telle enveloppe.

Publications (2)

Publication Number Publication Date
EP0478414A1 EP0478414A1 (de) 1992-04-01
EP0478414B1 true EP0478414B1 (de) 1994-01-19

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Application Number Title Priority Date Filing Date
EP91402444A Expired - Lifetime EP0478414B1 (de) 1990-09-27 1991-09-13 Schutzhülle für die Verpackung von schweren Produkten sowie Verpackungsverfahren unter Benutzung derselben

Country Status (6)

Country Link
US (1) US5232148A (de)
EP (1) EP0478414B1 (de)
JP (1) JPH04253658A (de)
DE (1) DE69101045T2 (de)
ES (1) ES2050515T3 (de)
FR (1) FR2667296B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5850963A (en) * 1995-01-03 1998-12-22 Chang; Cherng Reusable gift wrapping assembly
US6655526B2 (en) * 2002-01-08 2003-12-02 Craig A. Urman Enviro package consisting of a sealable thermoplastic bag with an integral exterior pocket and handle for horizontal transport and an open-domed rigid plastic stackable container

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1335253C (en) * 1986-03-17 1995-04-18 Keiji Sugimoto Multi-layer plastic film and package
JPS62161692U (de) * 1986-04-03 1987-10-14

Also Published As

Publication number Publication date
FR2667296B1 (fr) 1992-11-06
DE69101045D1 (de) 1994-03-03
DE69101045T2 (de) 1994-05-05
FR2667296A1 (fr) 1992-04-03
EP0478414A1 (de) 1992-04-01
US5232148A (en) 1993-08-03
JPH04253658A (ja) 1992-09-09
ES2050515T3 (es) 1994-05-16

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