EP0478414A1 - 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
EP0478414A1
EP0478414A1 EP19910402444 EP91402444A EP0478414A1 EP 0478414 A1 EP0478414 A1 EP 0478414A1 EP 19910402444 EP19910402444 EP 19910402444 EP 91402444 A EP91402444 A EP 91402444A EP 0478414 A1 EP0478414 A1 EP 0478414A1
Authority
EP
European Patent Office
Prior art keywords
envelope
packaging
product
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.)
Granted
Application number
EP19910402444
Other languages
English (en)
French (fr)
Other versions
EP0478414B1 (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 SA
Original Assignee
Bull SA
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 Bull SA filed Critical Bull SA
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
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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 pocket of substantially rectangular outline closed on three of its four sides, the bottom and 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 packages or in cases.
  • 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 packaged product is inevitably subjected to vibrations and slight displacements and friction 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).
  • a commonly used way to eliminate this risk of degradation is to surround the product of a flexible plastic envelope before affixing the wedging system.
  • the envelope then undergoes friction and vibration but by its flexibility protects the product and thus prevents it from any marking or deterioration.
  • 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 fourth side is also partially closed, while from the bottom is provided a passage means to allow on the one hand the introduction of the product to be packaged in said envelope while the product is held 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.
  • 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 tension 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 arranged 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 method using the protective envelope according to the invention.
  • Figure 1 is proposed the top view of an exemplary 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 three of its four sides, the bottom S1 and the two lateral parts S2 and S3.
  • the fourth side S4 is partially closed while, from the bottom S1 is provided a passage means 2 to allow on the one hand the introduction of the product to be packaged in said envelope 1 while the product is maintained by means of a gripping member (see figures 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 along 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 and 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.
  • Figure 3 is shown a variant of the envelope 1 which can be advantageously produced in series, the gripping means 3 of each envelope then being cut from the bottom of the previous 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 steps (4a, 4b, 4c, 4d) of a conditioning process 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.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
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
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.
FR9011946 1990-09-27

Publications (2)

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

Family

ID=9400722

Family Applications (1)

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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0237977A2 (de) * 1986-03-17 1987-09-23 Idemitsu Petrochemical Co. Ltd. Mehrschichtiger Film und Verpackung
US4759446A (en) * 1986-04-03 1988-07-26 Alps Electric Co., Ltd. Package including handle for removal of housed article

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0237977A2 (de) * 1986-03-17 1987-09-23 Idemitsu Petrochemical Co. Ltd. Mehrschichtiger Film und Verpackung
US4759446A (en) * 1986-04-03 1988-07-26 Alps Electric Co., Ltd. Package including handle for removal of housed article

Also Published As

Publication number Publication date
FR2667296A1 (fr) 1992-04-03
DE69101045D1 (de) 1994-03-03
ES2050515T3 (es) 1994-05-16
FR2667296B1 (fr) 1992-11-06
EP0478414B1 (de) 1994-01-19
US5232148A (en) 1993-08-03
JPH04253658A (ja) 1992-09-09
DE69101045T2 (de) 1994-05-05

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