EP0929467A1 - Packaging wrapper sealed with foils, and packaging method - Google Patents
Packaging wrapper sealed with foils, and packaging methodInfo
- Publication number
- EP0929467A1 EP0929467A1 EP96934592A EP96934592A EP0929467A1 EP 0929467 A1 EP0929467 A1 EP 0929467A1 EP 96934592 A EP96934592 A EP 96934592A EP 96934592 A EP96934592 A EP 96934592A EP 0929467 A1 EP0929467 A1 EP 0929467A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- film
- article
- packaging
- strips
- cold sealing
- 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
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 49
- 239000011888 foil Substances 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 64
- 238000000576 coating method Methods 0.000 claims abstract description 39
- 239000011248 coating agent Substances 0.000 claims abstract description 31
- 239000011505 plaster Substances 0.000 claims description 25
- 239000000758 substrate Substances 0.000 description 18
- 235000009508 confectionery Nutrition 0.000 description 5
- 230000014759 maintenance of location Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000012785 packaging film Substances 0.000 description 4
- 229920006280 packaging film Polymers 0.000 description 4
- -1 polypropylene Polymers 0.000 description 4
- 235000019219 chocolate Nutrition 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 235000011475 lollipops Nutrition 0.000 description 3
- 229920000298 Cellophane Polymers 0.000 description 2
- 241000209219 Hordeum Species 0.000 description 2
- 235000007340 Hordeum vulgare Nutrition 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 2
- 235000019568 aromas Nutrition 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 239000005026 oriented polypropylene Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000000346 sugar Nutrition 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 239000001993 wax Substances 0.000 description 2
- 239000013032 Hydrocarbon resin Substances 0.000 description 1
- 206010057040 Temperature intolerance Diseases 0.000 description 1
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical compound C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000000181 anti-adherent effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000005021 flexible packaging material Substances 0.000 description 1
- 230000008543 heat sensitivity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920006270 hydrocarbon resin Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004643 material aging Methods 0.000 description 1
- 235000019645 odor Nutrition 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- B65D75/04—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
- B65D75/10—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 twisting
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24777—Edge feature
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24777—Edge feature
- Y10T428/24793—Comprising discontinuous or differential impregnation or bond
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/2481—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including layer of mechanically interengaged strands, strand-portions or strand-like strips
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/2481—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including layer of mechanically interengaged strands, strand-portions or strand-like strips
- Y10T428/24818—Knitted, with particular or differential bond sites or intersections
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24851—Intermediate layer is discontinuous or differential
- Y10T428/2486—Intermediate layer is discontinuous or differential with outer strippable or release layer
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2813—Heat or solvent activated or sealable
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2813—Heat or solvent activated or sealable
- Y10T428/2817—Heat sealable
- Y10T428/2826—Synthetic resin or polymer
Definitions
- the present invention relates to a packaging envelope for articles, said envelope being closed by means of at least one foil.
- the invention also relates to the production of a package closed with foils.
- the invention relates to the field of packaging of confectionery products.
- confectionery products are individually wrapped in a portion of pre-printed film of an appropriate size and shape, which individually wrapped products can in turn be packaged in bulk in a packaging bag of an appropriate size.
- the article to be wrapped is first completely wrapped in a portion of rectangular film and the envelope thus formed is closed by twists at two points located on either side of the article to be wrapped.
- this problem manifests itself in the packaging of articles of small sizes and of substantially round section such as confectionery products such as, for example, candies, lollipops, barley sugars, fruit pastes, chocolate bars or even larger products such as bottles, rolls of coins, ...
- confectionery products such as, for example, candies, lollipops, barley sugars, fruit pastes, chocolate bars or even larger products such as bottles, rolls of coins, ...
- This solution makes it possible to increase the choice of the packaging substrate, but is however not yet entirely satisfactory insofar as it does not allow the selection of a substrate having a low resistance to high temperatures and, more serious, it is completely unsuitable for the packaging of heat-sensitive articles, in particular chocolate products.
- Another defect of this solution is the relatively low speed which it imposes, it is, in fact, necessary to keep in contact the papillotes and the heating element for a time sufficient to obtain the melting of the sealing coating.
- the packaging of 800 articles per minute is the highest rate that can be obtained with a packaging unit operating on the closing principle of the envelope by stranding and heat sealing of the foil thus formed.
- document GB-A-1096058 proposes a film with a cold sealing coating which, after closing the envelope by stranding the foil, has excellent retention.
- This cold sealing coating is in the form of two longitudinal strips located in the areas of formation of the papillotes on either side of the article to be packaged.
- cold sealing is meant a sealing which is carried out instantaneously by simple contact at a temperature of between 0 and 50 ° C. approximately. In reality, the temperature is not a critical parameter with regard to obtaining a seal by means of a cold sealing coating and has practically no influence on the quality of the seal obtained. Sealing is therefore carried out without the need for additional heat at ambient temperature of the space in which the packaging unit is located.
- cold sealing coatings have, until now, been mainly used as a layer on a substrate which undergoes little or no deformation.
- Significant blocking problems can be expected due to the self-adhesive properties of the cold sealing coating in any use of this cold sealing coating on a non-planar substrate.
- This method therefore allows the use of cheaper films and having better properties (rigidity, propensity to print, aesthetic qualities) for packaging articles without restrictions as to the shape or the heat sensitivity of said articles.
- rates which it is possible to achieve with a packaging unit operating according to the principle of closing the packaging by stranding and cold sealing of the foil thus formed, it should be noted that the only limit as to the cadence is imposed by the machine itself. This packaging method therefore makes it possible to reach rates of at least 1,500 articles per minute.
- the object of the present invention is to provide a new packaging of the cold sealing type for the foil which has all the known advantages of this type of packaging but which, moreover, allows an almost hermetic closure of the packaging.
- Another object of the invention is to provide a new packaging method specially suitable for this type of packaging.
- this object is achieved by a packaging envelope made of a film and intended to be closed by at least one foil comprising, on the inner side with respect to the article to be packaged, a sealing coating to cold arranged in two parallel longitudinal strips on either side of the article to be packaged, characterized in that the film has at least one additional transverse strip of cold sealing plaster arranged along an edge of the film perpendicular to the said longitudinal strips of sealing plaster so as to allow, after the stranding of the envelope, to close it in a direction parallel to the axis passing through the two twists.
- the packaging is closed almost hermetically, which is very advantageous with regard to the preservation of the articles since it prevents the penetration of moisture, gas, air or other substances and, at the same time, preserves the aromas. the interior.
- the film has two transverse bands of cold sealing plaster extending perpendicularly between the longitudinal bands along the opposite edges. In this way, when the article is placed on the film for packaging, it is completely surrounded by cold sealing strips.
- the invention also provides a new method of packaging an article in a film comprising two longitudinal strips of cold sealing plaster and at least one transverse strip.
- cold sealing plaster extending along an edge perpendicularly between the longitudinal strips according to which the article is deposited on the film on the side of said strips, the two sides which are perpendicular to the longitudinal strips are raised substantially vertically, the two sides are brought together above the article and their edge is sealed, by pressure, one to the other, the two edges thus sealed are folded over the article and the projections of the film protruding from the part are twisted and on the other the article to form two twists at the longitudinal strips.
- This method which allows the application of pressure, allows a perfect closure over the entire length of the film between the twists.
- the packaging will be perfectly sealed on all sides.
- the film has two longitudinal strips and two transverse strips, it is also possible to produce a sealed package with a single foil. Simply place the article in the middle of the four strips, lift the four sides of the film and twist them above the article to form the foil.
- an anti-adhesive coating of the film used is preferably applied, at least partially, to the other side in order to avoid adhesion. by contact between the side coated with sealing plaster and the other side during winding.
- non-stick coatings which, when used in conjunction with certain substrates such as polypropylene films, do not require such a non-stick coating.
- dry cold sealing coatings which, when used in conjunction with certain substrates such as polypropylene films, do not require such a non-stick coating.
- All the non-stick coatings which are conventionally applied to the back of the face of the film which carries the strips of cold sealing coating can be used within the framework of the present invention.
- suitable non-stick coatings consist of mixtures of polyamide resins and polyethylene waxes (for example the products 10-609345-3p from the company SIEGWERK and 994404-x from SICPA). In general, these non-stick coatings are deposited on the substrate at a rate of 1 to 5 g / m 2 .
- the portion of film coated with cold sealing coating intended for the formation of the packaging envelope has areas coated with cold sealing coating 1 to 50 mm wide located around the space reserved for the item to be packaged. In doing so, any contamination problem between the packaged article and the cold sealing coating is avoided, if necessary, and a substantial saving is made on said sealing coating.
- the retaining property of the papillotes is fully retained since the zones coated with cold sealing coating have, in an appropriate manner, been placed at the location of the film where said papillotes are formed.
- the cold sealing plaster is therefore preferably placed in an appropriate pattern adapted to the article to be packaged.
- Said areas coated with cold sealing coating may be in the form of parallel strips (for example for a candy or a lollipop whose packaging has two twists) or in the form of discontinuous areas (triangles, quadrilaterals) depending on the shape the article to be packaged or the presentation of said article (for example lollipop or barley sugar, the packaging of which has only one foil).
- suitable substrates are plastic films of about 10 to 100 microns made of extruded and oriented polypropylene, polypropylene as a cast film, polyester, polyethylene, extruded and oriented polyamide or polyamide as a cast film.
- any support material or flexible packaging material may be suitable as a substrate for the present invention.
- These different substrates may consist of a single layer, a single metallized layer or in several laminated and / or coextruded layers.
- cold sealing coating is not critical.
- pressure sensitive adhesives can be considered which are substances which are permanently sticky and which spontaneously adhere to the surface of most materials under the effect of simple moderate pressure.
- pressure-sensitive adhesives are compositions based on natural and / or synthetic rubbers combined with modified cellophanes, phenol-formaldehyde resins or hydrocarbon resins (waxes).
- polymers based on styrene, (meth) acrylic acid or vinyl ether are widely used, alone or as a mixture, also in combination with resins.
- silicone resins it is also possible to use silicone resins.
- compositions comprising mixtures of natural and synthetic rubbers and copolymers of (meth) acrylic acid and styrene are used.
- the cold sealing coatings are deposited on the substrate at a rate of approximately 1 to 5 g / m 2 .
- Cold seal coatings can be applied as a solution, dispersion or even in the molten state.
- any coating compatible with the nature of the product to be packaged can be used. In general, these other coatings are also deposited on the substrate at a rate of approximately 1 to 5 g / m 2 .
- the films in accordance with the present invention are prepared according to coating deposition techniques well known to those skilled in the art such as, for example, heliographic or flexographic printing or even offset printing.
- Figures 2a, 2b and 2c show in cross section the successive phases of the packaging of the article using a film according to Figure 1;
- Figures 3a, 3b and 3c are perspective views of the packaging phases shown in Figures 2;
- - Figure 4 is a view of the article packed with two papil ⁇ lotes;
- - Figure 5 is a plan view of a packaging film according to the present invention.
- FIG. 6 shows a perspective view of a roll of packaging film
- FIG. 7a, 7b, 7c and 7d are the successive sequences of packaging the article using a film according to the present invention.
- FIG. 8a, 8b and 8c show perspective views of the different packaging sequences of the article with the film according to the present invention
- FIG. 10 and 1 1 show the sealing and folding of the package according to the present invention in the direction parallel to the axis passing through the foils.
- Figure 1 shows a strip of film generally indicated by the reference 10 which is coated with two longitudinal strips 12, 14 with a cold sealing coating.
- the articles to be packaged are shown in dotted lines by the reference 16.
- the film strip is intended to be cut along the lines 18 in order to provide film pieces 20 identical to each other which act as the packaging envelope for the articles. 16.
- the silhouette of twists 22 also obtained by dotted lines has been obtained by stranding projections on either side of the article to be packaged 16.
- Figures 2 and 3 show the different sequences of a conventional packaging process, Figures 2 being sections along a plane perpendicular to the axis passing through the future foils.
- the article to be packaged 16 is placed on a film 20 and the two sides with the cutting edges 18 of FIG. 1 are raised vertically against the article 16.
- article 16 is off-center on the film 20 so that one of the panels, in this case that indicated by A, is longer than the panel B, as shown in FIG. 2a.
- the shortest section B is then folded down on the article 16 (see Figures 2b and 3b) and then the A section on the article 16 and the edge of the section B (see Figure 2c) to form the structure of the Figure 3c.
- the two ends projecting beyond the article 16 are then twisted, each turning in the direction of the folding of the pan A to form the two twists 22 shown in FIG. 4.
- Figure 5 shows a packaging film 30 according to the present invention.
- this film 30 also comprises two longitudinal strips 12 and 14 of cold sealing plaster.
- the film also comprises transverse bands 24 and 26 extending along the cutting edges perpendicularly between the longitudinal bands 12 and 14 on either side of the spaces reserved for the articles to be packaged 16 .
- the film 30 is delivered from a roll as shown in Figure 6, the cold sealing plaster structure 34 being on the inside.
- the film 30 is then sectioned along the cutting lines 18 passing through the middle of the transverse strips to form individual films 20.
- the film 30 is particularly suitable for an advantageous packaging method proposed by the present invention and explained in more detail below with reference to Figures 7 to 11.
- the article 16 is placed on a film 20 inside the frame of cold sealing plaster and the two side panels are folded up, as shown in Figures 7a and 8a.
- article 16 is this time placed in the center of the film so that the two sides A and B are perfectly the same length.
- pressure is exerted on the outside of each of the edges of the panels A and B over the entire width in order to properly seal these two panels together at the level of their cold sealing coating.
- This operation of folding the sides A and B and of sealing their edges can be carried out in a single operation between the jaws of a press 28 ( Figure 7b).
- a sealing rib 32 is thus obtained which extends over the entire width, as shown in FIGS. 7c and 8b.
- This rib is then folded and folded over the packaging according to Figures 7d and 8c, preferably, exerting vertical pressure according to Figure 1 1 to give the packaging an attractive presentation.
- the packaging is finished by twisting the two ends in the direction of the folding of the rib 32 to form two twists. Thanks to the presence of the transverse strips 24, 26 of cold sealing plaster and thanks to the use of pressure, a perfect closure is obtained over the entire width of the packaging.
- the longitudinal strips 12 and 14 also provide lateral sealing during the formation of the twists. This produces an almost airtight packaging which prevents the release of aromas or the penetration of air, humidity, harmful odors, etc.
- Example 1 a non-stick coating (10-609345-3p from SIEGWERK) is deposited on a white oriented polypropylene film 30 microns thick at a rate of 1.5 g / m 2 .
- Longitudinal strips of 15 mm width of cold sealing plaster (product 22-392 from the company CRODA) are deposited on the other side of the same film at a rate of 3 g / m 2 spaced 40 mm apart and perpendicular to the longitudinal strips, between these strips, parallel strips of 15 mm width of cold sealing plaster (product 22-392 from the company CRODA) at a rate of 3 g / m 2 , spaced 80 mm apart, with a length of 40 mm.
- Example 2 use of the film for making packages closed with foils.
- chocolate products (of various sizes, weights and shapes) are packaged with a wrapping-stranding machine from the company PACTEC. The machine is set to a rate of 1,200 products per minute.
- the packages formed with the film of Example 1 have the particularity of being completely hermetic and waterproof.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
- Wrappers (AREA)
- Basic Packing Technique (AREA)
- Closing Of Containers (AREA)
- Supplying Of Containers To The Packaging Station (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
- Wrapping Of Specific Fragile Articles (AREA)
- Package Closures (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
- Laminated Bodies (AREA)
- Gasket Seals (AREA)
- Ropes Or Cables (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI9630203T SI0929467T2 (en) | 1995-12-29 | 1996-10-08 | Packaging wrapper closedby twists and packaging method |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE9501085A BE1009877A3 (en) | 1995-12-29 | 1995-12-29 | Closed envelope packing by papillotes. |
BE9501085 | 1995-12-29 | ||
PCT/EP1996/004378 WO1997024273A1 (en) | 1995-12-29 | 1996-10-08 | Packaging wrapper sealed with foils, and packaging method |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0929467A1 true EP0929467A1 (en) | 1999-07-21 |
EP0929467B1 EP0929467B1 (en) | 2000-03-08 |
EP0929467B2 EP0929467B2 (en) | 2003-05-28 |
Family
ID=3889385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96934592A Expired - Lifetime EP0929467B2 (en) | 1995-12-29 | 1996-10-08 | Packaging wrapper closed by twists |
Country Status (30)
Country | Link |
---|---|
US (1) | US5935686A (en) |
EP (1) | EP0929467B2 (en) |
JP (1) | JP3818545B2 (en) |
KR (1) | KR100417673B1 (en) |
CN (1) | CN1071691C (en) |
AT (1) | ATE190287T1 (en) |
AU (1) | AU704044B2 (en) |
BE (1) | BE1009877A3 (en) |
BR (1) | BR9608171A (en) |
CA (1) | CA2227735C (en) |
CZ (2) | CZ5598A3 (en) |
DE (1) | DE69607044T3 (en) |
DK (1) | DK0929467T4 (en) |
EE (1) | EE03478B1 (en) |
ES (1) | ES2143234T5 (en) |
GR (1) | GR3033520T3 (en) |
HK (1) | HK1017872A1 (en) |
HU (1) | HUP9900140A3 (en) |
MX (1) | MX9803828A (en) |
MY (1) | MY117796A (en) |
NO (1) | NO312951B1 (en) |
NZ (1) | NZ320186A (en) |
PL (1) | PL182660B1 (en) |
PT (1) | PT929467E (en) |
RU (1) | RU2136560C1 (en) |
SI (1) | SI0929467T2 (en) |
SK (1) | SK283172B6 (en) |
TR (1) | TR199701724T1 (en) |
WO (1) | WO1997024273A1 (en) |
ZA (1) | ZA9610893B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016020830A1 (en) | 2014-08-08 | 2016-02-11 | Azionaria Costruzioni Macchine Automatiche A.C.M.A. S.P.A. | Wrapping method |
WO2016020841A1 (en) | 2014-08-08 | 2016-02-11 | Azionaria Costruzioni Macchine Automatiche A.C.M.A. S.P.A. | Wrapping method |
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BE1009877A3 (en) † | 1995-12-29 | 1997-10-07 | Transpac | Closed envelope packing by papillotes. |
DE19626157C2 (en) * | 1996-06-28 | 1999-08-19 | Pactec Verpackungsmaschinen Fa | Method and packaging device for packaging small items |
ES2116249T1 (en) * | 1996-10-08 | 1998-07-16 | Transpac | PACKAGING ENVELOPE CLOSED BY SOME PAPILLOTES AND PACKING PROCEDURE. |
USD434312S (en) * | 1996-10-15 | 2000-11-28 | Pegler Mark A | Split loaf bread bag |
EP0891930A1 (en) * | 1997-07-17 | 1999-01-20 | Alusuisse Technology & Management AG | Sheet wrapping material |
FR2774078B1 (en) * | 1998-01-29 | 2000-03-03 | Soplaril Sa | FILM FOR THE WRAPPING OF OBJECTS |
CA2268422C (en) * | 1999-04-09 | 2003-12-16 | Rhonda Gordon-Clements | Tool and method for forming cylindrical containers |
IT1313295B1 (en) * | 1999-09-03 | 2002-07-17 | Alusuisse Tech & Man Ag | LEAF TO PACK SMALL OBJECTS |
EP1188672A1 (en) * | 2000-09-18 | 2002-03-20 | Mars B.V. | Method and device for packaging a food product, such as a candy, as well as a packaged candy |
US7279205B2 (en) | 2001-02-07 | 2007-10-09 | Sonoco Development, Inc. | Packaging material |
ITBO20020390A1 (en) † | 2002-06-18 | 2003-12-18 | Azionaria Costruzioni Acma Spa | METHOD FOR MAKING PRODUCT PACKAGES, SHEET FOR PACKAGES OBTAINED FROM SUCH METHOD AND PACKAGING TAPE |
ES2259411T3 (en) * | 2003-05-13 | 2006-10-01 | Soremartec S.A. | SEALED WRAPPING FOR CORRESPONDING FOOD, PROCESS AND INSTALLATION. |
NL1028314C2 (en) * | 2004-07-26 | 2006-04-04 | Cfs Weert Bv | Lolly and device for its manufacture. |
ITBO20050272A1 (en) * | 2005-04-21 | 2006-10-22 | Sacmi Packaging Spa | DEVICE FOR WRAPPING OBJECTS AND METHOD FOR WRAPPING |
US7758484B2 (en) * | 2005-12-30 | 2010-07-20 | 3M Innovative Properties Company | Packaging and method for making the same |
ITBO20060251A1 (en) * | 2006-04-06 | 2007-10-07 | M C Automations S R L | METHOD FOR THE COLLECTION OF SWEET PRODUCTS. |
ITTO20070362A1 (en) * | 2007-05-23 | 2008-11-24 | Soremartec Sa | "PACKAGE FOR FOOD, PROCEDURE AND RELATIVE EQUIPMENT" |
US20100239721A1 (en) * | 2009-03-20 | 2010-09-23 | Valeria Stoppello | Method and apparatus to facilitate encapsulating an edible substance |
US20100310731A1 (en) * | 2009-06-03 | 2010-12-09 | Kraft Foods Global Brands Llc | Method and apparatus to wrap a plastic container |
DE102009056513A1 (en) * | 2009-12-02 | 2011-06-09 | Zuckerwarenfabrik Egon Hirsch Gmbh & Co. Kg | Package for lollipop, has sealable film for stick candy, and cross sealed seams spaced at distance to each other, where one of cross sealed seams exhibits gap for holding candy stick and stick candy within package rests between sealed seams |
BRPI1001928A2 (en) * | 2010-06-21 | 2013-12-24 | Kraft Foods Global Brands Llc | APPLIANCE AND METHODS FOR WRAPPING FOOD PRODUCTS |
WO2013177634A1 (en) * | 2012-06-01 | 2013-12-05 | Arcor Do Brasil Ltda | Improvement to packaging sheet for edible products and method for manufacturing the same |
CN103213700B (en) * | 2013-04-24 | 2015-08-12 | 成都三可实业有限公司 | Twoly turn round wrapping machine |
EP3228560B1 (en) * | 2014-12-02 | 2021-01-06 | Toyobo Co., Ltd. | Film for packaging and packaging bag |
USD764947S1 (en) * | 2015-03-03 | 2016-08-30 | A & A Global Industries, Inc. | Packaging for edible products |
USD848857S1 (en) * | 2017-10-11 | 2019-05-21 | Springs Global Us, Inc. | Bed pillow packaging |
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DE7407253U (en) † | 1974-06-06 | Kalle Ag | Cellulose-based film web with a strip-shaped, sealable lacquer coating on one surface | |
CH225279A (en) † | 1938-09-12 | 1943-01-15 | Schroeter Hans | Braking device on a trailer coupled to a towing vehicle, which takes effect when the trailer hits the towing vehicle. |
GB666501A (en) † | 1948-12-17 | 1952-02-13 | Munising Paper Company | Self-sealing wrapping paper |
GB1096058A (en) * | 1963-09-24 | 1967-12-20 | William Robert Brown | Improvements in or relating to wrapping materials |
US4663219A (en) * | 1984-10-09 | 1987-05-05 | Hoechst Aktiengesellschaft | Multi-layer opaque low density film |
DE9111671U1 (en) * | 1991-09-19 | 1991-11-14 | Ebert Folien AG, 65201 Wiesbaden | Plastic packaging film |
BE1009877A3 (en) † | 1995-12-29 | 1997-10-07 | Transpac | Closed envelope packing by papillotes. |
DE19626157C2 (en) † | 1996-06-28 | 1999-08-19 | Pactec Verpackungsmaschinen Fa | Method and packaging device for packaging small items |
-
1995
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1996
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- 1996-10-08 JP JP52398497A patent/JP3818545B2/en not_active Expired - Fee Related
- 1996-10-08 ES ES96934592T patent/ES2143234T5/en not_active Expired - Lifetime
- 1996-10-08 HU HU9900140A patent/HUP9900140A3/en unknown
- 1996-10-08 NZ NZ320186A patent/NZ320186A/en not_active IP Right Cessation
- 1996-10-08 SI SI9630203T patent/SI0929467T2/en unknown
- 1996-10-08 AT AT96934592T patent/ATE190287T1/en active
- 1996-10-08 CA CA002227735A patent/CA2227735C/en not_active Expired - Fee Related
- 1996-10-08 CZ CZ9855A patent/CZ5598A3/en unknown
- 1996-10-08 SK SK98-98A patent/SK283172B6/en not_active IP Right Cessation
- 1996-10-08 CZ CZ199855A patent/CZ289226B6/en not_active IP Right Cessation
- 1996-10-08 PT PT96934592T patent/PT929467E/en unknown
- 1996-10-08 TR TR97/01724T patent/TR199701724T1/en unknown
- 1996-10-08 EE EE9700307A patent/EE03478B1/en not_active IP Right Cessation
- 1996-10-08 WO PCT/EP1996/004378 patent/WO1997024273A1/en active IP Right Grant
- 1996-10-08 PL PL96323588A patent/PL182660B1/en unknown
- 1996-10-08 US US08/973,013 patent/US5935686A/en not_active Expired - Lifetime
- 1996-10-08 DK DK96934592T patent/DK0929467T4/en active
- 1996-10-08 KR KR1019970708503A patent/KR100417673B1/en not_active IP Right Cessation
- 1996-10-08 RU RU98102117A patent/RU2136560C1/en active
- 1996-10-08 CN CN96195127A patent/CN1071691C/en not_active Expired - Fee Related
- 1996-10-08 EP EP96934592A patent/EP0929467B2/en not_active Expired - Lifetime
- 1996-12-23 ZA ZA9610893A patent/ZA9610893B/en unknown
- 1996-12-27 MY MYPI96005508A patent/MY117796A/en unknown
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1997
- 1997-12-16 NO NO19975926A patent/NO312951B1/en not_active IP Right Cessation
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1998
- 1998-05-14 MX MX9803828A patent/MX9803828A/en not_active IP Right Cessation
- 1998-10-19 HK HK98111297A patent/HK1017872A1/en not_active IP Right Cessation
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2000
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016020830A1 (en) | 2014-08-08 | 2016-02-11 | Azionaria Costruzioni Macchine Automatiche A.C.M.A. S.P.A. | Wrapping method |
WO2016020841A1 (en) | 2014-08-08 | 2016-02-11 | Azionaria Costruzioni Macchine Automatiche A.C.M.A. S.P.A. | Wrapping method |
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