MXPA01005073A - An assembly with a pouch and a fitment and a process for its manufacture - Google Patents
An assembly with a pouch and a fitment and a process for its manufactureInfo
- Publication number
- MXPA01005073A MXPA01005073A MXPA/A/2001/005073A MXPA01005073A MXPA01005073A MX PA01005073 A MXPA01005073 A MX PA01005073A MX PA01005073 A MXPA01005073 A MX PA01005073A MX PA01005073 A MXPA01005073 A MX PA01005073A
- Authority
- MX
- Mexico
- Prior art keywords
- bag
- accessory
- sealing
- assembly
- product
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 15
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 239000000463 material Substances 0.000 claims abstract description 16
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 6
- 239000004922 lacquer Substances 0.000 claims abstract description 5
- 229920000642 polymer Polymers 0.000 claims abstract description 5
- 239000000945 filler Substances 0.000 claims description 5
- 235000013305 food Nutrition 0.000 claims description 4
- 235000015067 sauces Nutrition 0.000 claims description 4
- 235000016709 nutrition Nutrition 0.000 claims description 3
- 230000035764 nutrition Effects 0.000 claims description 3
- 210000004080 Milk Anatomy 0.000 claims description 2
- 235000013569 fruit product Nutrition 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 235000010746 mayonnaise Nutrition 0.000 claims description 2
- 239000008268 mayonnaise Substances 0.000 claims description 2
- 239000008267 milk Substances 0.000 claims description 2
- 235000013336 milk Nutrition 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- 239000002985 plastic film Substances 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 235000014347 soups Nutrition 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 5
- -1 polyethylene terephthalate Polymers 0.000 description 5
- 239000004698 Polyethylene (PE) Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- OMIHGPLIXGGMJB-UHFFFAOYSA-N 7-oxabicyclo[4.1.0]hepta-1,3,5-triene Chemical compound C1=CC=C2OC2=C1 OMIHGPLIXGGMJB-UHFFFAOYSA-N 0.000 description 1
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 description 1
- 229920000106 Liquid crystal polymer Polymers 0.000 description 1
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000004697 Polyetherimide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical class [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- KAKZBPTYRLMSJV-UHFFFAOYSA-N butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 1
- 239000004715 ethylene vinyl alcohol Substances 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000004811 fluoropolymer Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 239000002365 multiple layer Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920002496 poly(ether sulfone) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000011528 polyamide (building material) Substances 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920003288 polysulfone Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 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
- 238000003860 storage Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The present invention concerns an assembly comprising a pouch (1), a product (2) filled in said pouch and a fitment (3) which is applied onto the pouch through the method of ultrasonic sealing, wherein said pouch (1) is produced without any fitment or opening device and completely sealed after the filling, wherein the fitment (3) is applied through the method of ultrasonic sealing after the filling and sealing of the pouch, wherein said pouch is made with a film material specially treated on the inside surface through the addition of a special lacquer or film layer to avoid a sealing at this position or wherein said fitment consists of any thermoplastic polymer or a special blended polymer, like metallocene.
Description
ASSEMBLY WITH A BAG AND AN ACCESSORY, AND PROCESS FOR ITS MANUFACTURE
DESCRIPTION OF THE INVENTION
The present invention relates to an assembly comprising a bag, a product that is placed as a filler in the bag and an accessory which is applied to the bag by the ultrasonic sealing method. In the art it is already known to seal accessories on the bags. One way to do this is by heating or by ultrasonic sealing. The ultrasonic sealing technique involves the use of high frequency mechanical vibrations transmitted through the thermoplastic parts to generate frictional heat buildup at the interface. It is known to manufacture ultrasonically sealed accessories, but the sealing is carried out in an empty bag: the bag is formed, the accessory is sealed on the bag, the product is applied as a filler, for example aseptic filling and the bag is finally seal to obtain the assembly to be stored. The problem with such a solution is that manufacturing the assembly takes too much time and the production line is too complicated, because it comprises more than one stage in the process. In addition, there is a risk that the sealing of the accessory is not safe enough.
The object of the present invention is to make a assembly comprising a bag and an accessory, where the production time is shorter than in the prior art, the production line is simpler and the accessory is sealed for better storage, so that in this way the risk of detachment is minimized. The present invention relates to an assembly comprising: - a bag, - a product filled in the bag, and - an accessory which is applied to the bag by the ultrasonic sealing method, wherein the bag is produced without any accessory or opening device and is completely sealed after filling, where the accessory is applied by the ultrasonic sealing method after filling and sealing the bag, where the bag is made with a specially treated film material on the inner surface by adding a special lacquer or film layer to prevent sealing in this position, or where the accessory consists of any thermoplastic polymer or a special combined polymer, such as metallocene. The product is applied as a filler in the bag, which is sealed and then the accessory is sealed ultrasonically on the bag. It is important, according to the invention, that the film material of the bag be treated on the inner surface to avoid sealing both layers of the bag: this will be explained more clearly in relation to the drawings. The inner surface has a special lacquer or a layer of film. The material of the bag has low, medium or high barrier properties. Preferably, the material of the bag has high barrier properties. The material is taken from the group consisting of amorphous polymer such as ABS, ABS / polycarbonate alloy, acrylic, acrylic multpolymer, butadiene / styrene, resins based on phenylene oxide, polyamide-imide, polyetherimide, polyethersulfone, polystyrene (general purpose) , polystyrene (modified with rubber), polysulfone, PVC and semicrystalline polymers, such as acetal, cellulosic materials, fluoropolymers, thermoplastic polyester, ionomer, liquid crystal polymer, nylon, polyethylene terephthalate, polybutylene terephthalate, polyethylene and polypropylene. The bag is a plastic film, a laminate or a co-extruded film in the form of a semi-rigid bag or a soft bag. The thermoplastic polymer used for the accessory must be compatible with the material of the bag. The accessory can be of the same material as those mentioned above for the bag. Such an accessory is made of a body and a base, the base comprises concentric grooves to improve the ultrasonic welding. Regarding the type of products that can be applied as a filler in the bag, are taken from the group consisting of liquid or viscous pet foods or foods, clinical nutrition products, milk-based products, any kind of juice, fruit products, mineral water, non-foaming beverages, soups, sauces, other sauces They include dressings and mayonnaise. According to one embodiment of the invention, the accessory comprises a plug-like or pressure-closing closure and the product is extracted through the accessory with a special means, for example a perforating device known in the art. According to one embodiment of the invention, the accessory comprises a screw-type closure and inside the accessory there is a part that makes evident the improper use, which must be previously perforated and sealed together with the material of the bag. The product in the bag is filled under fresh, aseptic, UHT, pasteurized or sterilized conditions in the package. The present invention is further related to a process for manufacturing an assembly as described above, wherein: - the bag is filled with the product and sealed, - then the bag is transported or sent by means of a device ultrasonic sealing, where the device is loaded with an accessory and moves down on the bag pressing the accessory against an anvil, - a quantity of free energy is established and transported by the sealing device to the interior of the base of the accessory , where the sealing of the accessory is carried out on the bag, - the sealing device moves upwards and - releases the bag. The amount of energy in the sealing process depends on the type of accessory and the bag material. The bag preferably is in a multiple layer ofPolyethylene / Polyamide / EVOH / Polyethylene and the accessory is in high density polyethylene. The sealing device is designed in a special way creating energy steering elements to specially guide and focus the energy at certain points during the sealing process. The sealing is carried out on a Branson device, where the energy which is released for the sealing process can be controlled. The invention is now illustrated, by way of example, in the accompanying drawings, in which: Figure 1 is a schematic view prior to the sealing of the accessory, Figure 2 is a schematic view during sealing, and Figure 3 is a schematic view after sealing. The bag (1) is filled with a clinical nutrition product (2): the bag is sealed and ready for the accessory (3) to be placed on it. The accessory has a base (4). The ultrasonic sealing head (5) with its opening (6) is just above the fitting and the bag is placed just above an anvil (7). The ultrasonic head (5) then moves (Figure 2) so that the accessory (3) enters the opening (6) of the ultrasonic head and the head presses the bag (1) against the anvil (7). After high frequency is established and the developed heat allows the base (4) of the accessory to be sealed on the filled bag. Due to the special lacquer or film layer on the inside surface of the bag, only the accessory is sealed, but not the two layers of the bag. The ultrasonic head is finally removed (Figure 3), the accessory (3) remains sealed on the outside of the bag through its base (4) and the bag is ready to be stored.
Claims (12)
1. An assembly, comprising: a bag, a product that is applied as a filler in the bag and an accessory which is applied to the bag by the ultrasonic sealing method, wherein the bag is produced without any opening device or device and It is completely sealed after filling, where the accessory is applied by the ultrasonic sealing method after filling and sealing the bag, where the bag is made with a film material specially treated on the inner surface by the addition of a Special lacquer or film layer to avoid sealing in this position, or where the accessory consists of any thermoplastic polymer or a special combined polymer, such as metallocene.
The assembly as described in claim 1 wherein the accessory comprises a plug closure or the type that closes under pressure, and the product is removed by the accessory with special equipment.
3. The assembly as described in claim 1, wherein the accessory comprises a screw-type closure and inside the accessory is a part that makes evident the improper use, which is previously perforated and sealed together with the material of the bag.
4. The assembly as described in any of claims 1 to 3, wherein the bag material has low, medium or high barrier properties.
The assembly as described in claim 4, wherein the material of the bag is a plastic film, a laminated film in the form of a semi-rigid bag or a soft bag.
6. The assembly as described in any of claims 1 to 5, wherein the product is taken from the group consisting of liquid or viscous pet foods or foods, clinical nutrition products, milk-based products, any kind of juice , fruit products, mineral water, non-frothy drinks, soups, sauces, other sauces that include dressings and mayonnaise.
The assembly as described in any of claims 1 to 6, wherein the product is filled under fresh, aseptic, UHT, pasteurized or sterilized conditions in the package.
The assembly, as described in any of claims 1 to 7, wherein the accessory is made of a body and a base, and the base comprises concentric grooves.
9. A process for manufacturing the assembly, as described in any of claims 1 to 8, wherein the bag is filled with the product and sealed, then the bag is transported on a means of transport to a device Ultrasonic seal, where the device is loaded with an accessory and moves down on the bag pressing the accessory against an anvil, a quantity of energy is established and transported by the sealing device to the inside of the base of the accessory, in where the sealing of the accessory is carried out on the bag, the sealing device is moved upwards, and the bag is released. The process as described in claim 9, wherein the amount of energy of the sealing process depends on the type of accessory and the material of the bag. A process as described in any of claims 9 or 10, wherein the sealing device is designed in a special manner creating energy steering elements to specially guide and focus the energy at certain points during the sealing process. The process as described in claim 1, wherein the sealing is carried out on a Branson device, wherein energy which sets free for the sealing process can be controlled.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP00110885 | 2000-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MXPA01005073A true MXPA01005073A (en) | 2002-06-05 |
Family
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