EP3313745A1 - Dosenförmiger behälter aus folienmaterial sowie verfahren zu seiner herstellung - Google Patents
Dosenförmiger behälter aus folienmaterial sowie verfahren zu seiner herstellungInfo
- Publication number
- EP3313745A1 EP3313745A1 EP16738085.6A EP16738085A EP3313745A1 EP 3313745 A1 EP3313745 A1 EP 3313745A1 EP 16738085 A EP16738085 A EP 16738085A EP 3313745 A1 EP3313745 A1 EP 3313745A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ring
- container body
- container
- rch
- dad
- 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
- 239000000463 material Substances 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 239000011888 foil Substances 0.000 title abstract description 5
- 238000007789 sealing Methods 0.000 claims description 18
- 238000004026 adhesive bonding Methods 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 230000004888 barrier function Effects 0.000 description 10
- 239000010408 film Substances 0.000 description 7
- 230000006698 induction Effects 0.000 description 7
- -1 polyethylene terephthalate Polymers 0.000 description 5
- 239000004952 Polyamide Substances 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 229920002647 polyamide Polymers 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 238000002604 ultrasonography Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 2
- 239000004713 Cyclic olefin copolymer Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000013039 cover film Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 206010041662 Splinter Diseases 0.000 description 1
- 229920003182 Surlyn® Polymers 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000002650 laminated plastic Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000005026 oriented polypropylene Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011101 paper laminate Substances 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003716 rejuvenation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization 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
- B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
- B65D3/02—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by shape
- B65D3/04—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by shape essentially cylindrical
-
- 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
- B65D11/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material
- B65D11/02—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material of curved cross-section
-
- 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
- B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
- B65D3/28—Other details of walls
- B65D3/30—Local reinforcements, e.g. metallic rims
-
- 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
- B65D77/2004—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being maintained on the container by mechanical means, e.g. crimping, clamping, riveting
- B65D77/202—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being maintained on the container by mechanical means, e.g. crimping, clamping, riveting the cover being connected to the container by separate circumferential ring elements
Definitions
- the invention relates to a can-shaped container according to claim 1 and to a method for its production according to the preamble of patent claim 19.
- Generic can-shaped containers are well known in the art and have been used for quite some time in the form of metal cans, screw-top jars or stand-up pouches of paper or plastic laminate.
- these previously known packaging containers have numerous disadvantages.
- metal cans or glass containers are expensive to manufacture and expensive to manufacture and require a lot of material. This means that not only in the production of high raw material and energy requirements, but also disposal after use leads to high waste.
- rigid containers for the products filled therein are often oversized in terms of product protection and ratio of packaging material and - 15 large to the amount of contents.
- such containers made of glass and / or metal in addition to the aforementioned high waste after use also pose further risks, such as a risk of injury from sharp-edged glass or metal parts, 20 since these containers are not breakage or bursting and splinter and / or bers - can, so that sharp-edged shards arise or have sharp edges after opening.
- stand-up pouch has proved to be disadvantageous that they often have not enough good stability and therefore only a poor handling, so that acceptance for use of such stand-up pouch is often not given. Due to their lack of stability, such conventional stand-up pouches are generally not suitable for packaging liquid and / or powdered products that would leak out of the container when it tips over and lead to contamination of the environment. In addition, it has been found that an average consumer often considers a non-seamed stand-up pouch to be unattractive and unwieldy, and therefore avoids use of such a pouch. Furthermore, hitherto known stand-up pouches have no or only extremely low pressure resistance, so that it is not possible to package products which are under pressure or may possibly develop an overpressure, such as, for example, carbonated drinks.
- the invention is based on the object to avoid the aforementioned disadvantages and to provide a can-shaped container that is simple and inexpensive to produce, compared to previously known stand up bags increased stability and pressure resistance and beyond after use to a lower waste leads.
- This object is achieved by a can-shaped container according to claim 1.
- the object is achieved by a can-shaped container having a container body and a bottom and cover part, wherein the container body has a substantially cylindrical cross-section and in its lower end and in its upper end each have a ring with a corresponding substantially cylindrical Cross-section and having a longitudinal extent.
- the container body is seamless.
- cylindrical cross-section it should be pointed out in the context of this invention that not only circular container bodies are to be understood as cylinders, but also containers whose base surface is circular, elliptical, oval or closed polygonal, which extend from the base surface
- the container bodies may not only be circular but may also be elliptical, oval or angular, but it should be noted that circular cylinders having a circular base are preferred in particular a laminate, wherein according to a preferred embodiment both the container body and the bottom and lid part are made of the same material
- the laminate is preferably a laminate with one or more barrier layers, in particular gaseous ones Substances.
- An essential point of the invention further consists in that the container has both at its lower end and at its upper end depending on a ring which is at least partially inserted along its longitudinal extent in the container body and fixed therein.
- This ring serves to stiffen the container body, so that on the one hand its stability and its compressive strength compared to previously known, made of a laminate stand pouches, is significantly improved.
- the lower ring defines a footprint of the container body, while the upper ring during use of the can-shaped container avoids accidental compression of the container body and also serves for attachment of the lid portion of the can-shaped container according to the invention and its pressure resistance , in particular internal pressure resistance improved.
- the lower ring and the upper ring each have a substantially identical shape and are made as desired from the same material, preferably made of plastic.
- a substantially identical shape of the lower ring and the upper ring exists when the essential functional features of the lower ring and the upper ring are identically or functionally comparable.
- the lower and the upper ring have a substantially identical shape when the two rings in terms of their shape and dimensions to less than 10%, preferably less than 5% and more preferably less than 1% in terms of their linear expansion and or thicknesses and / or the ratios of their subsections, so that a functionality defined according to the invention is obtained.
- the lower ring and the upper ring are in particular designed as a rigid, substantially dimensionally stable ring.
- the same ring geometry and the same ring material are used for both the lower and the upper ring, advantageously reduces the manufacturing costs for the ring and, consequently, the can-shaped container according to the invention considerably;
- the logistics in the manufacture of the can-shaped container is simplified, since, for example, no confusion of different rings can take place, but in each case only one type of ring, namely the invention, must be made available, which then in duplicate, namely as the upper ring and as the lower ring, preferably in each case from the same end, preferably the lower end, is inserted into the container body.
- the ring along its longitudinal extent, which extends in the axial direction of the container body, an at least double kinked shape with respective creases through which the ring in a lower portion, a middle portion and an upper Section is divided.
- the respective creases which according to the invention may be both angular and rounded, result in a torsional rigidity of the ring as well as a clear stabilization with regard to possible impressions and / or other shaping of the ring, so that the ring according to the invention in normal use, in particular within the container according to the invention, is sufficiently rigid to ensure a dimensional stability of the ring and thus the can-shaped container.
- the bending edges may be rounded with a, in particular variable, radius of curvature, wherein preferably the lower portion is substantially smooth in the middle portion and / or the middle portion is substantially smooth in the upper part. passes over, wherein the respective transition is realized by the respective rounded buckling edge.
- the lower portion and / or the middle portion and / or the upper portion are substantially rectilinear.
- the lower portion and / or the middle portion and / or upper portion may have a curvature, wherein respective curvature in a respective portion may have the same or a different radius of curvature.
- the radius of curvature in each of these sections can be variable, i. H. to be changeable.
- the respective radius of curvature of a cross-sectional inner edge may differ from the radius of curvature of a cross-sectional outer edge.
- the inner surface of the ring used according to the invention thus may have a different geometry than the outer surface of the ring. This is particularly advantageous in view of an improved stackability of the container according to the invention over previously known generic containers.
- the cross-section of the lower ring and / or the upper ring tapers at least in sections along its longitudinal extent in the direction of its lower portion. It has proved to be particularly advantageous if the cross-sectional inner edge of the lower portion of the lower ring and / or the upper ring of a cross-sectional outer edge of this portion of this ring approaches. In this case, the cross-sectional outer edge extends substantially parallel to a lower end and / or an upper end of the container body.
- the cross-sectional outer edge can be easily, d. H. extend at an angle in the range of 1 ° to 10 °, preferably in the range of 1 ° to 5 ° and more preferably in the range of 2 ° to 3 ° axially with respect to the ring outwards, so that the cross-sectional outer edge closely at the lower end and / or the upper end of the container body rests. In this way, both the tightness of the container according to the invention and its stability and stackability can be further improved.
- the lower end of a container according to the invention can be optimized for the lid, resp. the upper end of a second container according to the invention is placed, the bottom of the upper container embracing the upper end of the lower container to a predetermined extent, so that the upper container can be securely placed on the lower container, resulting in improved stackability of the container according to the invention leads.
- the cross-section of the lower ring and / or preferably of the upper ring alternatively or additionally at least partially along its longitudinal extension in the direction of its upper portion, in particular lip-like, taper. It has proved to be particularly advantageous if the cross-sectional inner edge of the upper portion of the, in particular upper, ring approximates a cross-sectional outer edge of the upper portion of this ring.
- This embodiment is particularly advantageous because such a lip-like in the direction, respectively over a spout opening enjoyedre- ckender upper portion of the ring in the case of liquid ingredients as Ausguss bamboo or, for example in the case of solid ingredients can serve as dosing, which prevents
- the lip-like upper portion of the ring may in this case have a slight axial extension in the direction of the container interior or, as desired, in the direction of the container exterior Is attached portion of the central portion of the ring, so that the edge of the upper ring can be advantageously designed substantially independently of the lid seal.
- the upper portion of the ring may in turn also taper with an angle different from the central portion and also have a frusto-conical circumference.
- the transition between the upper and the lower portion of the ring may also be continuously curved or rounded and have no visible creases.
- the lower portion of the ring with the upper portion of the ring in an imaginary intersection of an at least one curved portion, in particular tangential, extension of the two sections closes an internal angle in the range of 90 ° to 150 ° , preferably in the range of 90 ° to 110 ° and more preferably in the range of 90 ° to 100 °.
- the lower portion has an orientation substantially parallel to the container body, the lower portion being attached to the container body, either by gluing or sealing, while the upper portion of the ring according to the invention is either perpendicular to the lower one Section, that extends horizontally in the installed state or extends at an angle of 10 ° to 60 ° with respect to a horizontal.
- the lower section includes with the middle section of the ring an internal angle in the range of 100 ° to 175 °, preferably in the range of 105 ° to 150 ° and particularly preferably in the range of 115 ° to 125 °.
- the middle section in each case is steeper than the upper section, d. H. with respect to the horizontal, has a greater inner angle than the upper portion with respect to the horizontal so that the overall shape of the ring according to the invention has a continuous taper from the lower end of the central portion of the ring to the upper end of the upper portion of the ring.
- the respective angle indications relate, in the case of at least one curved section, to respective tangential extensions of the respective coincident sections or, in the case of straight sections, to the respective intersections of the extensions of these sections.
- the ring used in this invention may also have more than two creases as long as a predefined basic basic shape of the ring is realized, extending from the lower end of the middle portion of the ring to the upper end of the upper portion of the ring characterized by rejuvenation, possibly accompanied by one or more paragraphs.
- the ring in the imaginary rectilinearly extended state of its longitudinal extension has a length in the range of 4 mm to 20 mm, preferably in Range of 6 mm to 15 mm and more preferably in the range of 7 mm to 13 mm.
- a ratio of a length L3 of the upper portion to a length L2 of the middle portion to a length LI of the lower portion is in the range of 1: 5: 5 to 1: 1: 1.
- the ring of the present invention has a lower portion , which has a longitudinal extent, which allows a good overlap with the container body, so that the parallel with the container body lower portion can be accurately glued or sealed in the container body.
- the central portion may also be used in the case of the upper ring for attachment of the container body, which is wrapped around the lower crease edge of the upper ring and extends at least partially over the middle portion of the upper ring and may be attached thereto.
- the container body may also completely cover the central portion of the ring and, if desired, also extend wholly or partially over the upper portion of the ring and be connected to the respective portions by gluing or sealing.
- the container body extends only over the lower portion and over a portion, for example 30% to 60% of the length L2 of the central portion of the ring, such that the upper end of the middle portion and the upper portion of the ring projecting upwards out of the container body so that a cover part according to the invention can be fastened to the upper part and to the upper part of the middle part.
- the lid part further extends beyond the container body and is sealed thereto, so that an overlap of the lid foil with the container body foil is produced.
- the overlap of the cover film with the container body film is according to the invention 0.1 mm to 3 mm, preferably
- both the lid part and the container body are each, as mentioned above, formed with one or more gas barrier layers, for example, from an embedded in the laminate aluminum foil and other barrier layer materials, such as ethylene vinyl alcohol Copolymer, polyamide, polyacrylonitrile or polyethylene terephthalate may exist. That way is ensures that the container according to the invention has a full barrier protection at its head end, which effectively and effectively prevents the ingress or egress of gaseous substances.
- the ring used in the invention has a thickness in the range of 0.5 mm to 3 mm, preferably in the range of 0.8 mm to 2 mm, and particularly preferably in the range of 0.9 mm to 1.5 mm.
- the upper ring according to the invention is, as mentioned above, sealed or glued into the upper end of the container body, wherein an end portion of the upper end of the container body in the longitudinal direction over the lower portion and at least a part of the central portion and optionally at least one Part of the upper portion of the upper ring extends and firmly connected by means of sealing and / or gluing with this / this section (s).
- the cover part which according to the invention is preferably peelable or peelable, is connected at the upper end of the container body to an outer side of the container body and optionally to the upper section and optionally to the middle section of the upper ring, in particular to its outer side and optionally. glued or sealed to these sections.
- the cover part according to the invention thus not only rests flat on the top end of the can-shaped container, but extends at least over the upper bending edge of the ring according to the invention in the direction of container body and is sealed to the container body, brings with it the significant advantage in that any occurring internal pressure in the container according to the invention results in that the lid can be undesirably detached only if adhesion of the lid part both at the upper end of the upper ring and at the inclined central portion of the ring and on the Container body itself, which also tapers in the region of the central portion of the ring, must be overcome.
- the lid part can only solve when such a high shear force occurs that the lid part parallel to Kle - Be Structure in the central portion of the ring is moved so far that the adhesive surfaces of the lid part, middle section of the ring and the container body separate from each other.
- the body according to the invention is significantly more pressure-resistant in comparison to previous stand-up pouches.
- the container is advantageously still easy to open when the lid part, which in turn has at least one tab, from the outside over the upper end of the container body and the conical middle portion of the ring and the upper portion of the ring is deducted.
- the cover part used according to the invention is designed as a film, in particular as a laminate, and has two lugs arranged opposite one another or four lugs arranged in a crosswise opposite manner.
- the lower ring is according to the invention sealed or glued into the lower end of the container body, wherein at least one edge portion of the bottom part circumferentially between an inner side of the lower end of the container body and an outer side of the lower portion of the lower ring arranged, in particular sealed or glued is, and wherein the bottom part extends over the middle section and the upper section of the lower ring, in particular by means of sealing or gluing with this / this section (s) is firmly connected.
- the bottom part according to the invention is firmly connected to the container body, so that in turn at this point a complete barrier is guaranteed, since the bottom part has a corresponding to the container body and / or the cover part barrier.
- the bottom part is supported by the middle and the upper portion of the ring according to the invention in an optimal manner, so that the bottom part is stabilized not only against a gravity caused by the contents, but also against any occurring overpressure in the container, so that the can-shaped container according to the invention also has at its lower end a significantly increased pressure resistance compared to conventional stand-up pouches.
- the object of the invention is achieved by a method for producing a container according to the above embodiments, wherein in a substantially cylindrical, preferably seamless, container body two, preferably identically formed, rings, namely an upper ring and a lower ring, each with a , the cross section of the container body corresponding substantially cylindrical cross section, are introduced, wherein the upper ring with an upper end of the container body and the lower ring with a lower end of the container body are sealed or glued, and wherein the container body at its upper end detachably is glued or sealed with a lid part and wherein the container body is closed at its lower end with a bottom part, which, preferably together with the lower ring, inserted into the container and there with the container body on the one hand and the lower ring on the other hand v glued or sealed.
- the can-shaped container according to the invention is produced from a film material, preferably a laminate and particularly preferably from an aluminum laminate, which is sealable on the inside and outside, the respective sealing layers comprising polypropylene and / or polyethylene.
- a polyamide blown film may be used, such as the material "Surlyn.”
- Alternative laminate components may also include polyamide (PA), polyethylene terephthalate (PETP), oriented polypropylene (OPP), cyclic olefin copolymers (COC), cyclic olefin
- PA polyamide
- PETP polyethylene terephthalate
- OPP oriented polypropylene
- COC cyclic olefin copolymers
- a seal of the respective sealing layers can be effected by thermal contact, ultrasound, high-frequency, induction, laser or hot-air sealing Ring and an upper ring located at the respective ends of the container body, the lower ring and the upper ring to be formed identical to and preferably made of the same material according to an embodiment of the invention.
- the ring is rounded at the top and can be inserted through the body from the bottom end, pushing the top ring to the head end while securing the bottom ring to the lower end of the container body.
- the upper ring end is rounded and the upper tube end of the container body is formed around the ring, for example by induction sealing, and sealed to the ring.
- the sealing can be done by an induction, respectively induction sealing.
- the tubular container body is sealed with the ring against a peelable cover sheet, for example by thermal contact, radio frequency, production, ultrasonic, laser or hot air sealing.
- the peel cap can be preformed by means of induction, ultrasound, laser or hot air, for example.
- the barrier Peeldeckel overlaps the tubular container body, which ensures a complete barrier and also for a protection of the upper tube edge against a possibly. Corrosion by the contents.
- the peel cap should have at least two peel tabs so that the peel cap can be pulled in the right direction from all sides of the pack, which contributes to easier openability of the container according to the invention. This also makes it possible to open the opposite side for emptying without clucking, since an air inlet is possible on the opposite side to a pouring side. It is advantageous at this point the providence of four peel-tabs, as these also fixing, d. H. Clamp the lid, allow in a sealing tool with a thermal seal.
- the bottom of the container according to the invention is also introduced from below into the tubular container body, wherein the bottom, preformed by induction or alternatively with ultrasound, laser or hot air and sealed by heat contact or laser seal on the ring and then together with the ring in the lower end of the hose is inserted and sealed.
- the packing opening can be additionally protected by an external snap-on lid, which also makes a simple reclosure possible.
- the preferred sealing methods for the ends of the container body are either a high frequency induction seal for aluminum-containing laminates or a hot air seal for aluminum-free laminates and / or a thermal seal.
- a high frequency induction seal for aluminum-containing laminates or a hot air seal for aluminum-free laminates and / or a thermal seal.
- a cover film if it is formed aluminum-free and is sealed against the ring and the container body.
- the rings are reduced to a minimum of material, with the head ring preferably having the same dimensions and dimensions as the bottom ring.
- a relatively thick laminate can also be used to produce the bottom of the container according to the invention. Due to the fact that the bottom according to the invention is sealed between the container body and the ring, while the lid is fixed according to the invention outside the container body, the finished container has a slightly larger bottom than head cross-section, so that the stability of the container according to the invention is improved and a Stackability of the finished packaging is made possible directly above each other.
- the pressure resistance of the container according to the invention is significantly improved over both an internal pressure and an external pressure compared to conventional stand-up pouches. This is due to the fact that an increased internal pressure does not lead to a complete Aufpeelen, but to a shear load of the lid film. Due to the shear load, the lid film is not rolled by the adhesive or sealing surface, but there is a tensile load, which acts parallel to the adhesive surface, which has a significantly increased seal seam strength compared to fin seams, so that there is a relation to conventional bags significantly increased adhesion and a significantly greater solvent power is necessary. Furthermore, due to the design according to the invention of the respective rings, there is also a significantly increased resistance to external pressure.
- rings for the respective head and bottom of the container according to the invention provides the ability to fix a rigid sleeve, for example in the form of cardboard, as a shaping sheath for the hose through the rings on the hose, d. H. between the respective ring and the tubular container body. Since the respective cut edges for the production of the respective laminate in no case come into contact with the respective filling material, there is furthermore no risk of corrosion on the packaging or laminating ends, since the filling material can not attack respective inner laminate layers.
- the container according to the invention has a complete barrier, since both the lid part and the bottom part are completely connected to the tubular container body, wherein all three components can have respective barrier layers. Further embodiments of the invention will become apparent from the dependent claims.
- Fig. 1 is a schematic representation of a used in the invention
- Figure 2 is a schematic representation of a bottom portion of the can-shaped container according to the invention.
- Fig. 3 is a schematic representation of a lid portion of the can-shaped container according to the invention.
- Fig. 4 is a schematic representation of an invention used
- Fig. 5 shows a schematic representation of a further embodiment of a ring used according to the invention in a partial longitudinal section
- Fig. 6 is a schematic representation of another embodiment of a ring used in the invention in partial longitudinal section.
- Fig. 7 is a schematic representation of the stackability of containers under
- Fig. 1 shows a schematic representation of a ring in partial longitudinal section, which is used for the can-shaped container according to the invention.
- the ring 60u, 60o is used according to an embodiment of the invention in identical form both in the head and in the bottom area in the container according to the invention, wherein the ring 60u at the lower end 40 of the container body 10 and the ring 60o at the upper end 50 of the container body 10th used and with the Container body 10 is fixed.
- the ring 60u, 60o has a lower crease edge 80a and an upper crease edge 80b, through which the ring 60u, 60o into a lower portion 81 having a length LI, a middle portion 82 having a length L2 and an upper portion 83 having a length L3 is divided.
- the lid member 30 is sealed, when the ring 60o inserted into the container body 10 and secured therein and when the container according to the invention is closed with the lid part 30.
- Fig. 2 shows a lower portion of the container body 10, wherein at a lower end 40 of the container body 10, a bottom part 20 is sealed, which is clamped between the container body 10 and the ring 60 u.
- the ring 60u is shown slightly removed from the container body 10 in FIG. 2 for better clarity. However, in use, the ring 60u is firmly bonded or sealed to the container body 10 and a rim portion 25 of the bottom portion 20.
- the bottom part 20 is further supported on the middle portion 82 and on the upper portion 83 of the ring 60u, so that the container according to the invention on the one hand withstands a high weight of a product and also a high internal pressure in the closed container.
- Fig. 3 shows an upper portion of a container according to the invention in partial cross-section, wherein the ring 60 o is sealed with its lower portion 81 with the upper end 50 of the container body 10.
- the container body 10 also extends beyond the lower bend edge 80a of the ring 60o and further over slightly more than half the length L2 of the central portion 82.
- a lid portion 30 is sealed to the upper portion 83 of the ring 60.
- the lid member 30 also extends beyond the upper crease edge 80b across the central portion 82 of the ring 60o and then over the end portion 55 of the container body 10 which is secured to the central portion 82 of the ring 60o.
- the lid member 30 is also sealed to the central portion 82 and to the portion of the container body 55 extending over the central portion 82.
- FIG. 4 shows a schematic representation of a cover part 30 according to the invention, which has four tabs 90 which are opposite one another in each case in the shape of a cross.
- Fig. 5 shows a schematic representation of another embodiment of a ring according to the invention used 60o in partial longitudinal section.
- the ring 60o has a lower portion 81, a middle portion 82, and an upper portion 83, with the middle portion 82 in the form of an arc merging with both the lower portion 81 and the upper portion 83.
- This embodiment of a ring according to the invention has no bent edges; Rather, the transitional areas between the lower portion 81, the middle portion 82 and the upper portion 83 are rounded.
- FIG. 6 shows a schematic illustration of a preferred embodiment according to the invention of a ring 60o or 60u used in the container according to the invention.
- the ring 60o, 60u has a cross-section that tapers along its longitudinal extension in the direction of its lower section 81, with the cross-sectional inner edge 100i approaching the lower section 81 of the cross-sectional outer edge 100a.
- the cross-sectional outer edge 100a extends in the lower portion 81 of the ring 60o, 60u substantially parallel to the container body 10 affixed to this lower portion 81
- both the upper section 83 and the middle section 82 and furthermore the lower section 81 each have curved cross-sectional inner edges 100 a and curved cross-sectional outer edge 100 a, wherein the respective cross-sectional inner edges 100 a have a different radius of curvature than have the associated cross-sectional outer edge 100a.
- FIG. 7 shows how respective containers according to the invention can be stacked one above the other, the respective bottoms of the containers being arranged on the respective upper sides of the containers.
- Fig. 7 is shown with reference to the rings 60o, 60u inserted in the respective containers on their upper and lower sides, as the respective bottoms of the containers partially embrace the respective upper sides, respectively the lid of the containers, so that a secure stackability of the containers is ensured.
- the upper ring 60o has a curved inside towards a container inside, respectively, in the case of a round container, in the direction of a container axis, inclined curved shape, so that the ring, respectively the container at its upper end a shoulder-like shape which points towards its lower portion 81 younger lower ring 60u can be put on.
- the lower ring 60u of an upper container can be fitted snugly onto the upper ring 60o of a lower container, with the cross-sectional inner edge 100i of the lower ring 60u of the upper container is snugly in contact with the cross-sectional outer edge 100a of the upper ring 60o of the lower container and partially surrounds the upper ring 60o.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Packages (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015110421.0A DE102015110421A1 (de) | 2015-06-29 | 2015-06-29 | Dosenförmiger Behälter sowie Verfahren zu seiner Herstellung |
PCT/EP2016/064980 WO2017001387A1 (de) | 2015-06-29 | 2016-06-28 | Dosenförmiger behälter aus folienmaterial sowie verfahren zu seiner herstellung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3313745A1 true EP3313745A1 (de) | 2018-05-02 |
EP3313745B1 EP3313745B1 (de) | 2020-09-30 |
Family
ID=56409061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16738085.6A Active EP3313745B1 (de) | 2015-06-29 | 2016-06-28 | Dosenförmiger behälter aus folienmaterial sowie verfahren zu seiner herstellung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3313745B1 (de) |
DE (1) | DE102015110421A1 (de) |
WO (1) | WO2017001387A1 (de) |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1782120A (en) * | 1927-11-07 | 1930-11-18 | Frank J Funke | Container |
US2002734A (en) * | 1934-05-16 | 1935-05-28 | Creative Displays Inc | Display article and method of producing the same |
DE1716269U (de) * | 1955-10-10 | 1956-02-02 | Fritz Dipl Ing Ewert | Zusammenfaltbarer fluessigkeitsbehaelter. |
DE1723470U (de) * | 1956-02-25 | 1956-05-30 | Bebo Plastik G M B H | Kunststoffpackung, insbesondere sogenannte stehpackung, mit eingeschweisstem boden. |
EP0067305B1 (de) * | 1981-05-14 | 1989-03-15 | Hoechst Aktiengesellschaft | Oben offene, dosenartige Behälter mit Mantel aus Kunststoffolie sowie Verfahren zu deren Herstellung |
DE3241977C2 (de) * | 1982-11-12 | 1985-11-28 | Automation Industrielle S.A., Vouvry | Verpackungstube |
DE3305144A1 (de) * | 1983-02-15 | 1984-08-16 | Hoechst Ag, 6230 Frankfurt | Innendruckbelastbare verpackung aus flexiblem material fuer fuellgueter, vorzugsweise fluessigkeiten, verfahren zur herstellung einer befuellten verpackung und verwendung der verpackung |
DE3407899C2 (de) * | 1984-03-03 | 1986-05-15 | INDAG Gesellschaft für Industriebedarf mbH, 6900 Heidelberg | Gasdichter Getränkebehälter |
JP3636052B2 (ja) * | 2000-09-25 | 2005-04-06 | サンスター技研株式会社 | 軟質容器の製造方法及び高粘調液充填体 |
DE10257145A1 (de) * | 2002-12-06 | 2004-06-24 | Huhtamaki Ronsberg, Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg | Schlauchförmiger, insbesondere dosenförmiger, Behälter zur Aufnahme von Fluiden, Verfahren zu dessen Herstellung und Verwendung |
EP1650138A1 (de) * | 2004-10-25 | 2006-04-26 | Impress Group B.V. | Behälter mit einer Verschlussfolie, die direkt mit der Behälterwand verbunden ist |
DE102005006827A1 (de) * | 2004-11-04 | 2006-05-24 | Huhtamaki Ronsberg, Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg | Verfahren zur Herstellung eines flaschen- oder schlauchartigen Behälters, insbesondere Schlauchbeutels, mit einem eingesiegelten Boden sowie entsprechend hergestellter Schlauchbeutel |
DE202011004316U1 (de) * | 2011-03-23 | 2011-05-19 | Optipack GmbH, 86850 | Behälter mit Banderole |
US20140027463A1 (en) * | 2012-07-25 | 2014-01-30 | Greater Good, Inc. | Fluid container |
-
2015
- 2015-06-29 DE DE102015110421.0A patent/DE102015110421A1/de not_active Withdrawn
-
2016
- 2016-06-28 WO PCT/EP2016/064980 patent/WO2017001387A1/de active Application Filing
- 2016-06-28 EP EP16738085.6A patent/EP3313745B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
WO2017001387A1 (de) | 2017-01-05 |
DE102015110421A1 (de) | 2016-12-29 |
EP3313745B1 (de) | 2020-09-30 |
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