EP0332072B1 - Emballage pour objets, particulièrement en forme de parallélépipède - Google Patents

Emballage pour objets, particulièrement en forme de parallélépipède Download PDF

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Publication number
EP0332072B1
EP0332072B1 EP89103743A EP89103743A EP0332072B1 EP 0332072 B1 EP0332072 B1 EP 0332072B1 EP 89103743 A EP89103743 A EP 89103743A EP 89103743 A EP89103743 A EP 89103743A EP 0332072 B1 EP0332072 B1 EP 0332072B1
Authority
EP
European Patent Office
Prior art keywords
film
packaging
tear
line
imprint
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
EP89103743A
Other languages
German (de)
English (en)
Other versions
EP0332072A3 (en
EP0332072A2 (fr
Inventor
Gerald-Wolfgang Borck
Manfred Ell
Hans-Dieter Erhardt
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Publication of EP0332072A2 publication Critical patent/EP0332072A2/fr
Publication of EP0332072A3 publication Critical patent/EP0332072A3/de
Application granted granted Critical
Publication of EP0332072B1 publication Critical patent/EP0332072B1/fr
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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/66—Inserted or applied tearing-strings or like flexible elements
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/04—Articles or materials wholly enclosed in single sheets or wrapper blanks
    • B65D75/06—Articles or materials wholly enclosed in single sheets or wrapper blanks in sheets or blanks initially folded to form tubes
    • B65D75/08—Articles or materials wholly enclosed in single sheets or wrapper blanks in sheets or blanks initially folded to form tubes with the ends of the tube closed by folding

Definitions

  • the invention relates to a packaging for objects, in particular cuboid, consisting of film material which, as an essentially closed film envelope, surrounds the individual and / or several objects relatively closely, the film envelope being provided with means for tearing open and the film envelope being partially printed and formed by Connecting unprinted areas of the film material by means of the heat sealing process, and a film cutting tape for such packaging and an object, in particular a tape cassette with such packaging.
  • a film packaging with a tear-off aid consisting of a tear-off thread wherein additionally a perforation at an angle to and near the dividing line of the tear-off thread is provided, which is intended to facilitate tearing and tearing open the remaining casing.
  • This need to use a film with tear thread and the additional attachment of the perforation are complex.
  • This known packaging is an unprinted transparent film cover, e.g. made of polypropylene.
  • the object of the present invention is to provide an effective and inexpensive tear-open aid which also makes it possible to remove the residual casing from objects, in particular magnetic tape cassettes, which are welded, in particular by means of polypropylene film, without any effort.
  • the object is achieved with a packaging for objects, in particular cuboid, consisting of film material which, as an essentially closed film envelope, relatively closely encloses the individual and / or several objects, the film envelope being provided with means for tearing open, and at least partially printed on the film envelope formed and by connecting unprinted areas of the film material by means of Heat sealing process is produced, so that the means for the tear-open aid are designed as at least one tear-off part consisting of part of the film, which carries an imprint as an interruption of a frame-like, heat-sealable film surface and at least one tear line is provided in the vicinity thereof.
  • a border line of printing that runs at an angle to a tear line can expediently be provided and the film surface behind the border line can be unprinted.
  • two tear-open parts on the film envelope can be arranged essentially one above the other, so that it is possible to have a second, more successful attempt to follow a first tear open.
  • the printing and / or the printing can be provided on both tear-open parts.
  • the solution according to the invention is particularly advantageous in the case that the film material is polypropylene film, which is particularly strong and tough and which can usually only be torn or cut after cutting or scratching, which in turn presupposes the presence of a tool.
  • the angle of the boundary line should be in the range of about 80 ° to about 10 ° to the tear line.
  • the type of packaging is expediently used for a film material whose tensile strength or tear strength of the film is in the range from approximately 120 to 180 N / mm2 in the longitudinal direction and from approximately 140 N / mm2 to approximately 240 N / mm2 in the transverse direction.
  • a film cutting tape for a packaging according to the invention is expediently designed such that the imprint of the tear-open part is arranged between two contiguous film cuts, spanning the respective dividing line between the two film cuts.
  • the article with the packaging according to the invention e.g. one or more tape cassettes gain significantly in use value by the invention.
  • a tape cassette with a packaging is advantageous, the film material of which consists of a polypropylene film with a thickness of 15 to 40 ⁇ m, preferably of 30 ⁇ m.
  • Embodiments of the invention are shown schematically in the drawing and described below.
  • FIG. 1 shows two connection points (7, 8) between three film blanks 5 'for tape cassettes.
  • the dividing lines between the individual blanks 5 ' are designated, which are usually severed during or after the packaging process by means of a separating device.
  • Each blank 5 ' consists of the outer contour lines between the dividing lines (11), it is therefore composed of a printed one Surface 5 and heat-sealing zones 10, which frame-like, except for one place (7, 8), surround the printed surface 5.
  • the tear-open aids in the form of tear-open parts 7 (7A and 7B are the upper and lower tear-off parts), which belong to a blank 5 ', are provided for the blanks 5' which are still attached to one another.
  • These tear-open parts 7 are each formed by an imprint 8 on the surface of the film which is intended for heat sealing by means of a sealing stamp.
  • the printing is on the inside of the film facing the cassette.
  • the print 8, 8 ' consists of a tear-open notice with an arrow each, which indicates the recommended tear-open direction.
  • imprint 8, 8 ' there is further printing which has an oblique border line 12 (angle ⁇ approximately in the range of approximately 10 to 80 °) with respect to the unprinted sealing zone 10 ends.
  • This printing the type of which is completely arbitrary, has the effect that after heat sealing, the oblique line 12 simultaneously represents the connection boundary between the fused film surfaces.
  • a tear line is provided on one side, especially within the imprint 8 in the longitudinal direction, which serves to initiate the tear process.
  • a further tear line could also be provided in the direction of the boundary line 12, essentially within the imprint 8.
  • a single vertical tear line 9 is assumed.
  • FIG. 2 shows, for example, a compact cassette in a conventional cassette box with a printed cassette packaging, which shows the (upper) tear-open part 7A and the oblique printing (boundary line 12) with an angle ⁇ of approximately 45 ° on the long narrow side.
  • FIG. 2A now shows the case in which the tearing process was continued, but only a film tear occurred, which can be seen as a tear-out cutout 16.
  • the lower tear-open indication 7B was completely exposed, so that a tear-off, such as shown in FIG. 2B using the cassette packaging 15, can take place in the tear-off direction 23, as a result of which the remaining packaging can now be removed completely.
  • FIG. 3 shows the multi-cassette packaging 15 with an upper tear-open part 7A and a heat-sealing zone 10, which can continue, for example, on the narrow side 20.
  • a field of view is designated within the printed film envelope.
  • the width of the tab 22 or the tear-open tip 18 is advantageously adapted to a normal finger width (approx. 1 cm).
  • the film material of the packaging examples described is e.g. Polypropylene film, e.g. Bicor® MB400 (® is a registered trademark of Mobil Oil Corporation), technical data sheet 6 404/4/86 of Mobil Plastics Europe.
  • the biaxially stretched film described therein has a relatively high tear or tensile strength of 150 N / mm2 in the longitudinal direction and 220 N / mm2 in the transverse direction.
  • the films in which use of the present invention is necessary are generally characterized by a tensile strength of about 120 to about 180 N / mm2 lengthways and of about 140 to 240 N / mm2.
  • the edge tear force e.g.
  • the edge tear force in the film, with which the invention can be used should be at least 150 N and preferably be in the range from approximately 150 N to 250 N.
  • the polypropylene film used for the packaging of tape cassettes had a thickness between approx. 15 ⁇ m and 40 ⁇ m, preferably 30 ⁇ m.
  • the packaging can equally be used for one or more bodies, which can then have a cuboid or roll shape.
  • the use of the invention is not limited to packaging made of polypropylene films.
  • Other films of other material suitable for packaging of this type e.g. PVC, polyethylene, with similar strength and toughness characteristics can also be used for the packaging according to the invention with a double tear-open device.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Basic Packing Technique (AREA)

Claims (12)

  1. Emballage pour objets, en particulier de forme parallélépipédique, composé d'un matériau en feuille (5'), entourant de façon relativement étroite, sous forme d'enveloppe en feuille pratiquement fermée, individuellement ou par groupes, des objets (13,15), où la feuille d'enveloppe est pourvue de moyens aidant le déchirement et l'enveloppe en feuille étant réalisée partiellement avec formation d'une empreinte, et fabriqué, par liaison de faces non pourvues d'empreinte du matériau en feuille (5'), par un procédé de scellement à chaud, caractérisé en ce que les moyens d'aide au déchirement sont réalisés sous forme d'au moins une partie de déchirement (7), constituant une partie de la feuille, portant, à titre de coupure d'une face de feuille (10), devant être scellée et ayant la forme d'un cadre, une impression (8) et au moins une ligne de déchirement (9) étant prévue à sa proximité.
  2. Emballage selon la revendication 1, caractérisé en ce qu'outre la partie de déchirement (7) est prévue une ligne de séparation (12), s'étendant sous un angle (β) par rapport à la ligne de déchirement (9), d'une empreinte et la face de feuille, à l'arrière de la ligne de séparation (12), ne comporte pas d'empreinte.
  3. Emballage selon la revendication 1 ou 2, caractérisé en ce que deux parties de déchirement (7A,7B) sont prévues sur l'enveloppe en feuille fermée, de façon pratiquement superposée.
  4. Emballage selon la revendication 1, caractérisé en ce que l'impression (8) et/ou l'empreinte sont prévues sur les deux parties à déchirer (7A,7B).
  5. Emballage selon les revendications 1 à 4, caractérisé en ce que le matériau en feuille est une feuille en polypropylène.
  6. Emballage selon les revendications 1 à 3, caractérisé en ce que la force de déchirement des bordures de la feuille est d'au moins 150 N et, de préférence, située dans la plage allant d'environ 150 à environ 250 N.
  7. Emballage selon les revendications 1 et 2, caractérisé en ce que la ligne de séparation (12) est prévue suivant un angle β compris entre à peu près 10 degrés et à peu près 80 degrés par rapport à la ligne de déchirement (9).
  8. Emballage selon la revendication 1 et l'une ou plusieurs des revendications 2 à 7, caractérisé par le fait que la résistance à la traction ou au déchirement de la feuille se situe entre environ 120 à 180 N/mm² longitudinalement et environ 140 N/mm² à environ 240 N/mm² transversalement.
  9. Bande de flan en feuille pour un emballage selon la revendication 1, dans lequel il est prévu plusieurs flans en feuille (5') pour plusieurs feuilles d'enveloppe accrochées l'une à l'autre et pour une séparation ultérieure le long d'une ligne de découpe (11) entre deux flans en feuille successifs (5') caractérisé par le fait que l'impression (8) de la partie de déchirement (7) est située entre les deux flans en feuille (5') non encore séparés qui empiètent entre les deux lignes de séparation (11) respectives.
  10. Objet, en particulier cassette pour bande comportant un emballage selon la revendication 1 et l'une ou plusieurs des revendications 2 à 8.
  11. Cassette pour bande selon les revendications 1 et 5, caractérisée par le fait que le matériau en feuille (5') est une feuille de polypropylène d'épaisseur de 15 à 40 microns, de préférence de 30 microns.
  12. Cassette pour bande avec un emballage selon la revendication 11 ou l'une ou plusieurs des revendications 1 à 4 et 6 à 8.
EP89103743A 1988-03-10 1989-03-03 Emballage pour objets, particulièrement en forme de parallélépipède Expired - Lifetime EP0332072B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8803229U DE8803229U1 (fr) 1988-03-10 1988-03-10
DE8803229U 1988-03-10

Publications (3)

Publication Number Publication Date
EP0332072A2 EP0332072A2 (fr) 1989-09-13
EP0332072A3 EP0332072A3 (en) 1990-06-06
EP0332072B1 true EP0332072B1 (fr) 1992-12-23

Family

ID=6821677

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89103743A Expired - Lifetime EP0332072B1 (fr) 1988-03-10 1989-03-03 Emballage pour objets, particulièrement en forme de parallélépipède

Country Status (7)

Country Link
US (1) US5011014A (fr)
EP (1) EP0332072B1 (fr)
JP (1) JP2730957B2 (fr)
KR (1) KR0148998B1 (fr)
CN (1) CN1021035C (fr)
DE (2) DE8803229U1 (fr)
HK (1) HK75093A (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3917048A1 (de) * 1989-05-25 1990-11-29 Damaso Moreno Folienartiges material fuer eine faltpackung und derartige faltpackung
DE4020945C2 (de) * 1990-06-30 1994-02-17 Basf Magnetics Gmbh Verpackung für einen oder mehrere quaderförmige Magnetband-Behälter
JP3121082B2 (ja) * 1991-11-30 2000-12-25 ティーディーケイ株式会社 開封性を改善したフィルム包装体及びその製造方法
EP0577509B1 (fr) * 1992-06-30 1996-11-13 Sony Corporation Procédé d'empaquetage d'un boîtier de cassette dans un film mince
US5510165A (en) * 1992-06-30 1996-04-23 Sony Corporation Thin film wrapping for cassette case
DE9214815U1 (fr) * 1992-10-31 1993-03-25 Basf Magnetics Gmbh, 6800 Mannheim, De
US6006907A (en) * 1993-04-01 1999-12-28 Fuji Photo Film Co., Ltd. Wrapped article
JPH0711564U (ja) * 1993-05-31 1995-02-21 富士写真フイルム株式会社 包装体
JPH074377U (ja) * 1993-06-21 1995-01-24 富士写真フイルム株式会社 包装体
JP3075138B2 (ja) * 1995-03-30 2000-08-07 日本ビクター株式会社 包装フイルムの包装構造
JP3253509B2 (ja) * 1995-12-01 2002-02-04 ティーディーケイ株式会社 開封性を改良したフィルム包装体
JP3301319B2 (ja) * 1996-09-30 2002-07-15 ソニー株式会社 オーバーラップフィルムによる包装構造
US5996782A (en) * 1997-04-14 1999-12-07 Sealed Air Corporation Foam in bag packaging system for manual use
GB0204602D0 (en) * 2002-02-27 2002-04-10 Ucb Sa Packaging methods and packs made thereby
US10239677B2 (en) 2015-07-29 2019-03-26 Sonoco Development, Inc. Easy-open media wrapper

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2079328A (en) * 1933-06-27 1937-05-04 Beech Nut Packing Co Package and method of forming the same
US2213758A (en) * 1938-05-09 1940-09-03 Glenn R Eichberg Wrapper
US2864547A (en) * 1954-10-18 1958-12-16 Waldorf Paper Prod Co Reclosable carton
US3360182A (en) * 1966-08-30 1967-12-26 Procter & Gamble Easy opening container
US3442436A (en) * 1967-02-10 1969-05-06 Reynolds Metals Co Package construction means with easy open means therefor
US4491224A (en) * 1982-03-05 1985-01-01 C O D Inter Techniques Sa Weldable tear-off capping film for sealing packages
JPS5925670U (ja) * 1982-08-06 1984-02-17 ティーディーケイ株式会社 磁気テ−プカセツト
GB2123376B (en) * 1982-07-12 1985-09-11 Tdk Electronics Co Ltd Tear-open package
US4830186A (en) * 1985-06-24 1989-05-16 Xerox Corporation Copy sheet prepackaged, shipping and loading wrapper for use in a high volume duplicator
DE8715168U1 (fr) * 1987-11-14 1988-01-21 Basf Ag, 6700 Ludwigshafen, De

Also Published As

Publication number Publication date
EP0332072A3 (en) 1990-06-06
KR0148998B1 (ko) 1998-10-15
HK75093A (en) 1993-08-06
DE58903064D1 (de) 1993-02-04
EP0332072A2 (fr) 1989-09-13
DE8803229U1 (fr) 1988-07-07
JP2730957B2 (ja) 1998-03-25
CN1021035C (zh) 1993-06-02
JPH02109870A (ja) 1990-04-23
CN1036739A (zh) 1989-11-01
US5011014A (en) 1991-04-30
KR890014330A (ko) 1989-10-23

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