EP0135431B1 - Procédé de fabrication d'opercules pour récipients à ouverture par pelage et opercules obtenus par la mise en oeuvre de ce procédé - Google Patents
Procédé de fabrication d'opercules pour récipients à ouverture par pelage et opercules obtenus par la mise en oeuvre de ce procédé Download PDFInfo
- Publication number
- EP0135431B1 EP0135431B1 EP84401674A EP84401674A EP0135431B1 EP 0135431 B1 EP0135431 B1 EP 0135431B1 EP 84401674 A EP84401674 A EP 84401674A EP 84401674 A EP84401674 A EP 84401674A EP 0135431 B1 EP0135431 B1 EP 0135431B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- strip
- coating
- process according
- peeling
- holes
- 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
Links
Images
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
- B65D77/10—Container closures formed after filling
- B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
- B65D77/2024—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being welded or adhered to the container
- B65D77/2028—Means for opening the cover other than, or in addition to, a pull tab
- B65D77/2032—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container
- B65D77/2044—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure
- B65D77/2048—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure whereby part of the container or cover has been weakened, e.g. perforated or precut
- B65D77/2056—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure whereby part of the container or cover has been weakened, e.g. perforated or precut the cover being weakened
- B65D77/206—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure whereby part of the container or cover has been weakened, e.g. perforated or precut the cover being weakened so as to uncover one or more preformed openings made through some layers of the cover
-
- 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
- B65D2577/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags
- B65D2577/10—Container closures formed after filling
- B65D2577/20—Container closures formed after filling by applying separate lids or covers
- B65D2577/2066—Means on, or attached to, container flange facilitating opening, e.g. non-bonding region, cut-out
-
- 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
- B65D2577/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags
- B65D2577/10—Container closures formed after filling
- B65D2577/20—Container closures formed after filling by applying separate lids or covers
- B65D2577/2075—Lines of weakness or apertures
- B65D2577/2091—Lines of weakness or apertures in cover
-
- 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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1056—Perforating lamina
-
- 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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1062—Prior to assembly
Definitions
- the present invention relates to a method of manufacturing lids intended for closing receptacles with peeling openings, these lids being of the type comprising an orifice and two closing elements arranged on either side of the orifice which they seal and in which they adhere to each other.
- Lids of this type have been developed to close containers containing food products such as drinks or yogurt. Those currently found on the market are not entirely satisfactory, however.
- the installation of their closing elements indeed requires a lot of time and leads to relatively high manufacturing costs.
- their internal closing element that is to say the one which is intended to be on the side of the product to be packaged, is clearly smaller than the inlet of the container and does not always perfectly fulfill its function of sealing. In addition, it is often difficult to position over the opening.
- the manufacturing of the lids can thus be entirely mechanized, which makes it possible to accelerate the production rates and consequently to lower the cost price of these lids.
- the containers can be closed in a perfectly sealed manner and the quality of the packaged product therefore does not risk spreading over time.
- the first and second coatings When at least one of the first and second coatings is called upon to constitute one of the faces of the multilayer ply, it may be advantageous to apply it by extrusion-lamination, laminating or paraffinizing.
- the multilayer ply when it is desirable for the multilayer ply to have more than three layers, at least one of the first and second coatings can be applied by sandwich extrusion between the perforated strip and an additional strip.
- opening primers are produced between the perforated strip and the first coating, in areas located on the cutting lines of the multilayer ply.
- the consumer has a better grip on the first coating and will therefore be able to separate it more easily from the perforated strip.
- the part of the second coating which is integral with the first coating will of course be torn off with the latter, which will then allow the consumer to have access to the contents of the container.
- the opening primers can be produced by creating zones of non-adhesion on the strip, prior to the application of the first coating, for example by application of '' a varnish based on polysiloxane or polyamide or nitrocellulose ink, on rotogravure or flexo printer.
- the opening primers can also be produced by carrying out additional perforations in the strip, prior to the application of the first and second coatings.
- the second coating is covered by an additional strip
- the multilayer ply 1 which is shown on the left in FIG. 1 is in the form of a coil making it possible to produce it with a length of several hundred linear meters.
- the ply consists of three layers, namely an intermediate strip 2 pierced with holes 3 judiciously spaced from each other, and two coatings 4,5 applied to the upper and lower faces of the intermediate strip, these two coverings closing the holes 3 in which they strongly adhere to one another.
- the ply 1 could comprise more than three layers, the coatings 4 and 5 possibly being covered in turn by a coating with one or more layers.
- the intermediate strip 2 can have a thickness of the order of 15 to 200 microns (1.5 to 20-10 ⁇ m) and be made of metal, in particular aluminum or aluminum alloy, of a cellulosic material such as paper, or a synthetic material such as polyvinyl chloride, polyester, polypropylene, polyethylene, polyamide, polybutylene, etc.
- the coatings 4, 5 can have a thickness of the order of 10 to 100 microns (1 to 10 ⁇ 10 -5 m) and be made of a synthetic material such as polyester, polypropylene, polyethylene, polybutylene, a polyamide, an ethylene-acrylic acid copolymer, an ionomer resin, etc.
- the coating 4, that is to say that which is fixed on the upper face of the intermediate strip 2 is made of a material which has little affinity for the latter so as to be able to be separated therefrom relatively easily by peeling.
- the covering 5 is made of a material which has a great affinity for the intermediate strip and the covering 4, so that it cannot be separated from the latter.
- the coatings 4 and 5 are themselves coated with an additional coating, the latter is preferably constituted by an aluminum strip optionally coated on its external face with a layer of polyester, polypropylene, polyethylene , polybutylene, polyamide, ethylene-acrylic acid copolymer, ionomer resin, iron-on varnish, etc.
- the multilayer ply 1 is intended to be cut along the closed lines 6 corresponding to the outline of the lids 7 to be produced.
- the location of these lines, as well as that of the holes 3 of the intermediate strip 2, are of course chosen so that each cover has a hole 3 and that the cutting falls are as small as possible.
- the ply 1 comprises, between the intermediate strip 2 and the coating 4, non-adhesion zones 8 adjacent to one of the sides of the lids 7. These zones are in fact provided to allow the consumer wishing to open a container closed by a cover 7 to more easily grasp the coating 4 in order to remove it without difficulty by peeling.
- FIG. 2 which illustrates the technique of extrusion-lamination
- the intermediate strip 2 circulates between two rotary cylinders 10, 11 while a die 12 of conventional design delivers a viscous film 13 in the slot formed between the upper face of the strip 2 and the downstream cylinder 11.
- the film 13, which consists of a molten material intended to form the coating 4 is slightly pushed back into the holes 3 (and where appropriate in the holes corresponding to the tongues 9) of the strip 2 during its passage between the two cylinders, then cooled between two suitable cylinders not shown.
- non-adhesion zones 8 can be produced on the intermediate strip by printing a varnish or an ink on a gravure or flexo printer, prior to the application of the film 13.
- the coating 4 When the coating 4 is deposited over the entire length of the intermediate strip, the latter is then turned over and put back into circulation between the cylinders 10 and 11, as shown in FIG. 3.
- the film 14 is in turn slightly pushed back into the holes 3 (and the holes 9 when these exist) during its passage between the cylinders 10, 11, which allows it to come into contact with the coating 4 and strongly adhere to the latter, after which it solidifies between the above mentioned cooling cylinders.
- the coatings 4 and 5 could of course be applied with the same machine equipped with two dies. Furthermore, to increase the adhesion between one of the coatings and the strip 2, for example at the periphery of the holes 3 (and 9 if these exist), the corresponding face of the strip may be coated with a promoter d adhesion applied by a helio element integrated on the extruder, or treating said face by effluvage, in particular by Corona discharge.
- FIG. 5 illustrates the sandwich extrusion technique
- the strip 2 and an additional strip 15 circulate between two rotary cylinders 16, 17, while a die 18 delivers a viscous film 19 in the slot made between the two strips 2 and 15.
- the film 19, which consists of a molten material which may be one of those used to produce the coating 5, is slightly pushed back into the holes 3 of the strip 2, then cooled in a manner known per se.
- the material constituting the film 19 could have a great affinity for the strip 2 and little affinity for the additional strip 15.
- the additional strip could in fact be separated by peeling from the strip 2, which would make it possible to put bare a sterile surface.
- FIG. 6 which illustrates the technique of lamination
- the perforated strip 2 and a strip 20, preferably made of aluminum circulate between two rotary cylinders 21, 22.
- the sheet 20 circulates between a cylinder 23 immersed in an adhesive bath 24 and a pressure cylinder 25.
- the strip 20 is slightly pushed back into the holes 3 during its passage between the cylinders 21, 22 and adheres perfectly to the strip 2 at the outlet of an appropriate dryer (not shown) making it possible to evaporate the water contained in the glue .
- FIG. 7 illustrates the waxing technique
- the perforated strip 2 circulates in a bath of wax 26 or “hot-melt” in the molten state, before being sandwiched between two bands 27, 28, metallic or not, flowing between two rotary cylinders 29, 30.
- the bands 27 and 28 adhere to each other in the holes 3 (and the holes 9 when these exist) while a cooling cylinder (not shown) is provided to harden and solidify the wax or hot-melt.
- FIG. 7 shows an installation making it possible to fix the two strips 27, 28 simultaneously on the strip 2. It goes without saying, however, that only one of the two strips 27 and 28 could be fixed by waxing.
- the technique used to apply the coating 4 could of course be different from that used to apply the coating 5.
- the multi-layer tablecloths 1 are supplied on a reel to manufacturers processing products such as drinks or yoghurts.
- these manufacturers manufacture containers of the type of those shown at 32 in FIGS. 8 to 10, generally by thermoforming a strip of plastic material, then fill the containers 32 with the product, fix the multilayer sheet 1 or 1 a (with the coating 4 turned upwards) by heat-sealing, crimping or ultrasonic welding along the entry of the containers, and cut the sheet 1 or 1 a along the lines 6 visible in the figure 1, which correspond to the outer contour of the opening of the containers (and that of the tongues 9 in the case of the ply 1 a).
- the layers 1 or 1 a could be brought for a few minutes to a temperature above 100 ° C. in order to make sterile and allow the packaging of products under perfectly aseptic conditions.
- the part of the ply 1 which corresponds to one of the holes 9 in the strip 2, constitutes a gripping tab which the consumer can easily grasp to separate the coating. 4 of the strip 2 and tear off the part of the covering 5 located in the hole 3.
- the present invention also relates to the lids obtained by the implementation of the method described above, as well as the containers closed by such lids.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
- Closures For Containers (AREA)
- Closing Of Containers (AREA)
- Laminated Bodies (AREA)
- Containers Opened By Tearing Frangible Portions (AREA)
- Cartons (AREA)
- Supplying Of Containers To The Packaging Station (AREA)
- Making Paper Articles (AREA)
- Wrappers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT84401674T ATE24697T1 (de) | 1983-08-24 | 1984-08-16 | Herstellungsverfahren fuer behaelterverschluesse, durch abschaelen zu oeffnen, und verschluesse die durch die anwendung dieses verfahrens erhalten werden. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8313639 | 1983-08-24 | ||
FR8313639A FR2551031B1 (fr) | 1983-08-24 | 1983-08-24 | Recipient a ouverture par pelage et procede de production des elements de fermeture de tels recipients |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0135431A1 EP0135431A1 (fr) | 1985-03-27 |
EP0135431B1 true EP0135431B1 (fr) | 1987-01-07 |
Family
ID=9291771
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84401674A Expired EP0135431B1 (fr) | 1983-08-24 | 1984-08-16 | Procédé de fabrication d'opercules pour récipients à ouverture par pelage et opercules obtenus par la mise en oeuvre de ce procédé |
Country Status (11)
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5514442A (en) | 1987-09-09 | 1996-05-07 | Stanpac, Inc. | Sealing member for a container |
Families Citing this family (58)
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FR2585986B2 (fr) * | 1981-04-01 | 1987-12-18 | Erca | Bande composite a couvercles pour recipients thermoplastiques et procede, dispositif et installation de fabrication d'une telle bande composite |
JPH0248376Y2 (US20020051482A1-20020502-M00012.png) * | 1984-10-11 | 1990-12-19 | ||
JPH0662175B2 (ja) * | 1985-06-04 | 1994-08-17 | 東洋アルミニウム株式会社 | 部分開封可能な密封容器 |
US4735335A (en) * | 1985-08-06 | 1988-04-05 | Etude Et Realisation De Chaines Automatiques-E.R.C.A. | Composite band for lids for thermoplastic containers |
ATE44008T1 (de) * | 1985-10-04 | 1989-06-15 | Alcan Rorschach Ag | Deckel aus verbundmaterial mit einer von einer aufreisslasche verschlossenen oeffnung sowie ein verfahren zu dessen herstellung. |
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US5217790A (en) * | 1987-09-09 | 1993-06-08 | Stanpac Inc. | Elongate strip for the production of sealing members for containers |
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JPH0188870U (US20020051482A1-20020502-M00012.png) * | 1987-12-04 | 1989-06-12 | ||
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US20040238477A1 (en) * | 2003-05-28 | 2004-12-02 | Unsworth John Duncan | Non-spill container spout with peel type seal |
DE60323245D1 (de) * | 2003-12-16 | 2008-10-09 | Amcor Flexibles Europe | Verpackung mit durchsteckbarem Deckel |
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US8715825B2 (en) | 2005-01-06 | 2014-05-06 | Selig Sealing Products, Inc. | Two-piece pull-tab sealing member with improved heat distribution for a container |
NZ563099A (en) | 2005-04-15 | 2011-03-31 | Illinois Tool Works | Primary ans secondary seal stock laminates held together by an extruded polymeric adhesive |
US9624008B2 (en) | 2007-03-23 | 2017-04-18 | Selig Sealing Products, Inc. | Container seal with removal tab and security ring seal |
CA2723794C (en) | 2008-04-09 | 2016-10-18 | Lars Henriksen | A lidding system and lids for plastic or metal containers |
DE102010005554A1 (de) * | 2010-01-22 | 2011-07-28 | Hochland AG, 88178 | Wiederverschließbare Verpackung |
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US9028963B2 (en) | 2012-09-05 | 2015-05-12 | Selig Sealing Products, Inc. | Tamper evident tabbed sealing member having a foamed polymer layer |
US9193513B2 (en) | 2012-09-05 | 2015-11-24 | Selig Sealing Products, Inc. | Tabbed inner seal |
US8807373B1 (en) * | 2013-01-08 | 2014-08-19 | Franklin W. Russell | Food tray |
CA2846021C (en) | 2013-03-15 | 2021-06-08 | Selig Sealing Products, Inc. | Inner seal with an overlapping partial tab layer |
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CA2846161C (en) | 2013-03-15 | 2020-10-20 | Selig Sealing Products, Inc. | Inner seal with a sub tab layer |
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WO2015119988A1 (en) | 2014-02-05 | 2015-08-13 | Selig Sealing Products, Inc. | Dual aluminum tamper indicating tabbed sealing member |
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EP3786082B1 (en) | 2015-03-03 | 2021-12-22 | Selig Sealing Products, Inc. | Tabbed seal |
EP3532281B1 (en) | 2016-10-28 | 2023-04-12 | Selig Sealing Products, Inc. | Sealing member for use with fat containing compositions |
MX2019004807A (es) | 2016-10-28 | 2019-08-26 | Selig Sealing Products Inc | Miembro sellante con lengüeta de un solo aluminio que indica manipulacion. |
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NZ188513A (en) * | 1978-07-18 | 1980-02-21 | Yakult Honsha Kk | Heat sealing covering material comprising an aluminium foil |
US4189060A (en) * | 1978-10-05 | 1980-02-19 | Minnesota Mining And Manufacturing Company | Retention means for container closure assembly |
JPS5695874A (en) * | 1980-04-10 | 1981-08-03 | Dainippon Printing Co Ltd | Liquid vessel in paper |
DE3020295A1 (de) * | 1980-05-28 | 1981-12-10 | Zweckform Werk Gmbh, 8150 Holzkirchen | Mehrschichtiger verschluss |
JPS609171Y2 (ja) * | 1980-05-30 | 1985-04-02 | 大日本印刷株式会社 | インスタント食品用容器の蓋 |
FR2503036A1 (fr) * | 1981-04-01 | 1982-10-08 | Erca | Bande composite a couvercles pour recipients thermoplastiques et procede, dispositif et installation de fabrication d'une telle bande composite |
JPS57167228A (en) * | 1981-04-09 | 1982-10-15 | Ckd Corp | Manufacture of cover of cup-shaped container |
US4372460A (en) * | 1981-05-18 | 1983-02-08 | Minnesota Mining And Manufacturing Company | Oil-resistant closure system |
JPS5831740A (ja) * | 1981-08-19 | 1983-02-24 | 伊藤 禎美 | 孔付き基材の接着助剤層面にプラスチツクフイルムを貼着形成すると同時に基材の孔を塞ぐ方法 |
-
1983
- 1983-08-24 FR FR8313639A patent/FR2551031B1/fr not_active Expired
-
1984
- 1984-08-16 AT AT84401674T patent/ATE24697T1/de active
- 1984-08-16 DE DE8484401674T patent/DE3461910D1/de not_active Expired
- 1984-08-16 EP EP84401674A patent/EP0135431B1/fr not_active Expired
- 1984-08-22 US US06/643,270 patent/US4636273A/en not_active Expired - Lifetime
- 1984-08-22 ES ES535348A patent/ES8505307A1/es not_active Expired
- 1984-08-23 CA CA000461705A patent/CA1225268A/en not_active Expired
- 1984-08-23 AU AU32340/84A patent/AU564653B2/en not_active Ceased
- 1984-08-24 JP JP59176499A patent/JPS60110653A/ja active Granted
-
1987
- 1987-02-04 MY MYPI87000090A patent/MY100198A/en unknown
- 1987-08-26 SG SG691/87A patent/SG69187G/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5514442A (en) | 1987-09-09 | 1996-05-07 | Stanpac, Inc. | Sealing member for a container |
Also Published As
Publication number | Publication date |
---|---|
EP0135431A1 (fr) | 1985-03-27 |
JPS60110653A (ja) | 1985-06-17 |
FR2551031B1 (fr) | 1986-07-04 |
CA1225268A (en) | 1987-08-11 |
JPS6212099B2 (US20020051482A1-20020502-M00012.png) | 1987-03-17 |
US4636273A (en) | 1987-01-13 |
ES535348A0 (es) | 1985-05-16 |
MY100198A (en) | 1990-04-10 |
SG69187G (en) | 1988-02-19 |
AU564653B2 (en) | 1987-08-20 |
FR2551031A1 (fr) | 1985-03-01 |
AU3234084A (en) | 1985-02-28 |
DE3461910D1 (en) | 1987-02-12 |
ES8505307A1 (es) | 1985-05-16 |
ATE24697T1 (de) | 1987-01-15 |
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