EP3092179A1 - Papiersack - Google Patents
PapiersackInfo
- Publication number
- EP3092179A1 EP3092179A1 EP14808494.0A EP14808494A EP3092179A1 EP 3092179 A1 EP3092179 A1 EP 3092179A1 EP 14808494 A EP14808494 A EP 14808494A EP 3092179 A1 EP3092179 A1 EP 3092179A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bag
- paper
- layer
- overlap
- paper layer
- 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
- 239000011248 coating agent Substances 0.000 claims abstract description 58
- 238000000576 coating method Methods 0.000 claims abstract description 58
- 239000005871 repellent Substances 0.000 claims abstract description 15
- 239000013590 bulk material Substances 0.000 claims abstract description 4
- 239000004568 cement Substances 0.000 claims abstract description 4
- 239000008187 granular material Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 22
- 239000000853 adhesive Substances 0.000 claims description 14
- 230000001070 adhesive effect Effects 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 239000004922 lacquer Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 239000011888 foil Substances 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 4
- 239000010440 gypsum Substances 0.000 claims description 3
- 229910052602 gypsum Inorganic materials 0.000 claims description 3
- 239000011505 plaster Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 145
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 239000007789 gas Substances 0.000 description 7
- 238000009423 ventilation Methods 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 6
- 230000035699 permeability Effects 0.000 description 6
- 238000004381 surface treatment Methods 0.000 description 6
- 239000002131 composite material Substances 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000006223 plastic coating Substances 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 238000004026 adhesive bonding Methods 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
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000005429 filling process Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000001465 metallisation Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000002985 plastic film Substances 0.000 description 3
- 229920006255 plastic film Polymers 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 239000011104 metalized film Substances 0.000 description 2
- -1 polyethylene terephthalate Polymers 0.000 description 2
- 230000002940 repellent Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000000414 obstructive effect Effects 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000013022 venting 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
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
- B65D31/02—Bags or like containers made of paper and having structural provision for thickness of contents with laminated walls
-
- 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
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
- B65D31/04—Bags or like containers made of paper and having structural provision for thickness of contents with multiple walls
-
- 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
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
- B65D31/08—Bags or like containers made of paper and having structural provision for thickness of contents with block bottoms
-
- 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
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
- B65D31/14—Valve bags, i.e. with valves for filling
- B65D31/142—Valve bags, i.e. with valves for filling the filling port being formed by folding a flap connected to a side, e.g. block bottoms
-
- 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
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/01—Ventilation or drainage of bags
Definitions
- the invention relates to a paper bag, preferably a valve paper bag, for bulk material such as cement, gypsum, granules, animal feed or the like, with a bottom, preferably a cross or block bottom, and with a top opposite the bottom, in which optionally a valve tube is arranged to fill the paper bag.
- a paper bag preferably a valve paper bag, for bulk material such as cement, gypsum, granules, animal feed or the like, with a bottom, preferably a cross or block bottom, and with a top opposite the bottom, in which optionally a valve tube is arranged to fill the paper bag.
- Such paper sacks are known, for example from EP 1 858 769 B1.
- the usual sizes are 5 kg, 10 kg or 25 kg. They have one or more paper layers which are formed from paper or a paper composite and / or coated paper.
- a valve tube is optionally provided, which is incorporated in the upper part and is plugged for filling on a filler neck.
- Essential for a quick and economical filling is a rapid escape of the air during the filling process.
- the bag should be as tight as possible after filling.
- a barrier layer between an inner layer and an outer layer of paper be inserted.
- the present invention therefore deals with the improvement of a known paper bag in order to meet the above requirements.
- the improved paper bag to ensure increased product protection and / or prolonged product stability of the filling material and / or increased weather resistance of the packaging material and at the same time an economical production and rapid ventilation during filling can be achieved.
- the paper bag comprises at least one paper layer with an overlap, which is adhesively sealed to the bag interior.
- the position of the paper layer facing the interior of the bag has an air-permeable region in the region of the overlap which is covered by the layer of paper which faces the outside of the bag.
- This at least one paper layer has, at least in some areas, a weatherproof coating facing the exterior of the bag.
- Weatherproof is a waterproof or at least water-repellent material coating.
- the bond can be waterproof and / or airtight.
- a so-called weather-resistant bag is created, which significantly increases the weather resistance of the paper bag and the filled contents can protect even with outdoor storage for a sufficient period of time from external influences.
- the contents can be effectively protected from moisture or rain.
- the weatherproof coating can either be waterproof / water repellent or ideally also gas tight to additionally seal the paper bag against the passage of air, oxygen, CO 2 or gaseous water.
- the coated paper layer has an overlap, wherein the overlapping edges are preferably parallel to the side edges of the paper bag, so that the overlap extends in the manner of an overlap strip from the bottom to the top.
- the overlap of the coated paper layer with the interior of the bag is sealed in a sealing manner, that is to say in the case of the paper bags. H. in the region of the overlap, the inner layer facing the inside of the bag is glued to the layer of the coated paper layer which faces the outside of the bag, and the glue is located in the edge region of the overlap towards the bag interior.
- the bonding directly on the edge of the overlap is advantageous, but the bond must not be located directly on the edge of the overlap to the bag interior. Rather, it may be moved away from the edge of the overlap, because even in this case, the intended purpose according to the invention can still be achieved.
- the layer of the coated paper layer facing the interior of the bag has an air-permeable region or a region with a higher air permeability than the remaining region of the paper layer. This air-permeable area is covered by the position of the overlap facing the exterior of the bag. Due to this configuration, air can escape during filling of the bag with filling material and escape to the outside of the overlap, since the obstructive for the air flow bonding is arranged to the bag interior.
- the bonding to the interior of the bag thus has a directing effect on the air flow, as well as a stabilizing effect for the coated paper layer in the region of the overlap, thus serving to hold the material ends together in the region of the overlap. It can thereby be achieved that the air exiting through the air-permeable region during filling can completely escape from the overlapping region to the outside. Furthermore, the stability in the overlap area is improved and the tightness in the filled state is increased.
- the leakage of filling material can be avoided by the overlap.
- suitable design of the air-permeable area can be ensured that the respective contents are retained in the bag, while only or mainly air can escape through the air-permeable area.
- the air-permeable area in the area of the overlap is covered by the outer layer of the inner layer, so that the penetration of substances or liquids from the outside is avoided.
- the inventive design a good ventilation during filling is achieved at the same time high product protection against external influence.
- the outer coating ensures adequate protection of the contents against external influences, such as moisture and water.
- the paper bag has at least one coated paper layer with a gas-tight coating facing the interior of the bag.
- the coated paper layer has an overlap on, which is adhesively sealed to the interior of the bag, and in the region of the overlap facing the interior of the bag coated layer of paper has an air-permeable area, which is covered by the facing to the outside of the bag layer of the coated paper layer.
- the configuration of the overlap thus corresponds to the abovementioned first embodiment of the paper bag according to the invention.
- the paper layer having an overlap does not necessarily have an outer coating, but is provided with an inner gas-tight coating.
- at least one conventional layer is provided, in particular of paper or a composite paper, which is arranged between the filling space and the at least one overlapping paper layer.
- the gas-tight coating does not have to be directly connected to the filling material, but an arbitrary arbitrary layer, in particular paper layer, can be provided.
- the gas-tight coating prevents air, oxygen, CO 2 or gaseous water from penetrating in relevant quantities from the outside and damaging or destroying the filling material. These gases are primarily responsible for damage to sensitive products or for the low storage stability of such products.
- the coated paper layer is coated on both sides.
- the outside coated paper layer may additionally comprise an internal gas-tight coating.
- an external water-repellent or water-resistant coating is provided in addition to the internal gas-tight coating.
- This embodiment with a two-sided coating of the at least one paper layer is suitable in particular for deposit-paper sacks, which consist only of a single paper layer.
- double-sided coated paper layers can also be used for multi-ply paper sacks.
- a further paper layer to be provided in addition to a paper layer with an outer-side coating, which likewise comprises the described overlap with an air-permeable region and which comprises an inner coating.
- the second embodiment of the invention which is arranged in addition to the at least one paper layer with internal gas-tight coating another paper layer with the overlap described and external coating, in particular water-resistant or water-resistant coating.
- one or more conventional inner or outer layers in particular paper layers or layers of a paper composite, may be provided in addition to the coated paper layers having overlaps.
- layers of another material or composite material Conventional layers are to be understood as meaning layers which either have no overlap or an overlap without a separate air-permeable region.
- the air-permeable region of the coated paper layer is provided with one or more perforations, these being preferably formed by a needle and / or one or more slits. This ensures sufficient air exchange through the coated paper layer.
- the perforations may be formed as microperforations, which can be produced for example by electrical or chemical means and are known from cigarette paper.
- the air-permeable area of the coated paper layer may be provided by a highly porous material, that is, the paper layer is characterized in the air-permeable area by deviating material properties that allow an exchange of air or higher air exchange compared to the non-air-permeable area.
- a wider overlap area allows a larger area of the air permeable area of the overlap area and thus better ventilation during filling.
- a disadvantage of a larger overlap area is the higher material costs for the inner layer.
- the overlap of the inner layer amounts to at least 3% of the bag circumference, moreover at least 10% of the bag circumference and even more advantageously at least 17% but at most 25% of the bag circumference.
- the inner and / or outer coating, d. H. the gas-tight and / or water-resistant / waterproof coating has a multilayer structure.
- the gas-tight coating preferably comprises a metallized film and / or a metal foil.
- metallized films or metal foils By such metallized films or metal foils, a particularly good gas tightness can be achieved.
- Very suitable as a metallic material is aluminum.
- the metallic gas barrier ensures particularly good aroma protection in the food industry.
- a water-resistant or water-repellent coating For the embodiment of a water-resistant or water-repellent coating, the use of at least one lacquer layer and / or at least one wax layer and / or at least one plastic layer and / or at least one oil layer and / or likewise a metal layer or metal foil is particularly suitable.
- a multilayer embodiment of the coating of the coated paper layer may preferably be discharged through the water-resistant or water-repellent or gas-tight coating, an additional layer which is to serve the protection of the subordinate coating. This prevents the destruction of, for example, a metal foil or a lacquer layer.
- the gas-tight coating also forms a barrier to liquid, so that a seal against the ingress of water is achieved.
- additional adhesions are additionally present in a middle region and / or in the edge region of the overlap with the exterior of the bag. These bonds further stabilize the overlap area. It is conceivable that at least one of these bonds at least partially permeable, d. H. permeable to air, is formed to the outside of the bag, advantageously by interrupted glue lines along the edge of the overlap to the bag exterior.
- a central interrupted glue line may be provided, while the gluing provided in the edge region of the overlap with the exterior of the bag is continuous and thus sealing.
- the position of the coated paper layer facing the outer side of the bag also has an air-permeable region in the region of the overlap. This air-permeable area is then provided in the area between the gluing lying on the outer edge and the middle gluing.
- this air-permeable area can be done for example by a recess of the coating and / or by design of the paper layer in this area with a highly porous material.
- the area may as well be realized by the provision of one or more perforations.
- the perforations are ideally carried out in an analogous manner to the perforations of the interior facing the bag. Due to the advantageous embodiment, an additional Guaranteed, as well as to the outside a hermetically sealed bonding of the outer overlap is ensured. In order nevertheless to allow an exchange of air to the outside, therefore, the outer overlap must be equipped with a corresponding air-permeable area.
- the air exchange between the inner air-permeable configuration of the inner paper layer and the outside air-permeable designed paper layer is carried out by the middle bonding, which is permeable to air, ie as a non-continuous adhesive strip executed.
- the air-permeable areas of the position of the overlap facing the interior of the bag and the exterior of the bag are not superimposed or only slightly overlapping one another in order to create an angled air channel from inside to outside.
- the paper bag or a single paper layer has a plurality of overlaps according to the invention, particularly preferably an overlap according to the invention on the front side of the bag and a further overlap according to the invention on the back of the bag.
- the ventilation of the bag can be improved during filling and distributed on both sides.
- the paper bag according to the invention has, outside the coated paper layer, further paper layers or layers of other materials suitable for bag production. These layers must also be designed so that they allow the air to escape to the outside during filling.
- Suitable sack materials are suitable materials, preferably paper, coated paper, film and / or coated film. This may be useful with paper bags coated on the outside.
- the wrapper then serves, for example, as additional protection for the transport, etc. In order to achieve the weather resistance, this additional wrapper is removed, and the at least one paper layer with external weatherproof coating then forms the outermost surface of the paper bag.
- Fig. 1 a schematic plan view of an inventive
- Valve bag with bottom and upper part
- Fig. 2a a schematic cross section through the invention
- FIGS. 2a, 2b, 2c shows the coated paper layer of one of the embodiments according to FIGS. 2a, 2b, 2c with an enlarged section of the overlap with adhesive bond
- FIG. 4 shows an enlarged view of the layer structure of the coating according to the present invention
- FIG. 5 shows a tube section from the coated paper layer of FIG
- FIG. 1 shows a paper bag 10 according to the invention with a cross bottom 2 and a top part 3, the bottom 2 and the top part 3 being folded on the front side 5 of the paper bag 10. Not recognizable is the back of the bag, which is below the front 5.
- a valve tube 4 is inserted in the upper part 2.
- the illustrated basic principle of the paper bag according to the invention of Fig. 1 may be constructed one or more layers.
- the paper bag comprises two layers, which is clearly visible in the cross-sectional view of Figure 2a along the section line AA.
- Figure 2a shows a preferred variant of the paper bag according to the invention as a multi-layer bag.
- the paper bag consists of an outer coated paper layer 20, which has an overlap 22 with splice 24.
- the sealing bond 24 is formed toward the interior of the bag.
- the paper layer 20 also has an external coating with weatherproof material properties. In particular, the coating is waterproof or water repellent.
- the embodiment according to FIG. 2a comprises a further inner layer 18, for example made of paper or a paper composite.
- This paper layer also has an overlap 19 with splice 25.
- a comparison of the two overlaps 19, 22 shows that the overlap 22 is made significantly wider.
- Both paper layers 20 form a tube section of the paper bag from FIG. 1 between the bottom 2 and the top part 3.
- the wider overlap 22 serves to
- Fig. 2b shows an alternative variant of the paper bag as Einlagensack.
- the outer paper layer 20 is executed analogously to the embodiment of Fig. 2a.
- FIG. 2 c shows a variant with a coated paper layer 20 which is embedded between two further layers 8 and 21.
- the overlaps of the outer and inner layers 18, 21 are also significantly narrower than the overlap 22 of the coated paper layer 20 is formed.
- the paper layer 20 can also be designed like the paper layer of Fig. 2a, 2b.
- the coating of the paper layer 20 of FIGS. 2a, 2b, 2c can also be coated on the inside only with a water-resistant / water-repellent or gas-tight coating. It is also conceivable a paper layer 20 with double-sided coating, for example with an internal gas-tight coating and an external water-resistant / water-repellent coating. This embodiment is particularly useful in the case bag according to FIG 2b.
- the paper layer 20 could of course also be designed without a coating, wherein by means of the enlarged overlap 22 then a better Air permeability to the non-overlapped region of the paper layer 20 can be achieved. It is also conceivable that in the examples of Figures 2a, 2b, 2c further paper layers are provided with enlarged overlaps in order to provide, for example, at least two sides of the bag for adequate ventilation. Of course, more conventional layers 18, 21 may be provided.
- the coated paper layer 20 with an enlarged section of the overlap 22.
- the layer 31 of the coated paper layer 20 facing the interior of the bag overlaps with the outwardly facing layer 32 of the coated paper layer 20.
- the overlap 22 is glued sealingly by means of the bond 24.
- the overlap 22 comprises further adhesive parts 33, 34, the adhesive parts 33 being designed as an interrupted adhesive strip in the longitudinal direction of the sack of FIG. 1 and the adhesive 34 being a continuous, longitudinally extending adhesive strip.
- the additional bonds 33, 34 will be later with reference. Fig. 5 will be discussed.
- the paper layer has on its outer side a carrier layer 41 made of paper.
- a metallization 42 which is preferably formed from aluminum.
- the metallization 42 is protected by a plastic coating which consists in its core 43 of PET (polyethylene terephthalate) or comparable plastics.
- the core 43 is provided on both sides with a surface layer or surface treatment 44.
- a lacquer layer 45 is provided on the outer surface treatment 44.
- a corona pretreatment 46 On the outer surface treatment 44 is a corona pretreatment 46, which then forms the innermost layer towards the interior of the bag.
- the plastic coating applied to the metallic gas barrier protects the metal layer against damage during the manufacture of the bag.
- the paper layer 20 has on its inside a carrier layer 41 made of paper.
- the outward-following layer 42a then comprises a water-resistant or water-repellent material, preferably a lacquer layer, an oil layer, a protective layer, a plastic layer or a metal layer, which is particularly preferably made of aluminum.
- the layer 42a is protected analogously to the inner coating by a plastic coating, which consists in its core 43 of PET (polyethylene terephthalate) or comparable plastics.
- the core 43 is provided on both sides with a surface layer or surface treatment 44. Between the layer 42 and the surface treatment 44 is a lacquer layer 45.
- a corona pre-treatment 46 On the outer surface treatment 44 is a corona pre-treatment 46, which then forms the outermost layer towards the exterior of the bag.
- the plastic coating applied to the water-resistant or water-repellent layer 42a protects this layer from damage during bag production.
- the described layer structure can be applied on both sides of the carrier material 41.
- FIG. 5 now shows a concrete embodiment of the overlapping region 22 of the paper layer 20 according to the invention.
- the entire overlap region 22 of the interior 31 facing the interior of the bag and the layer 32 facing the exterior of the bag are glued air-tight and watertight by means of the continuous adhesive strip 24.
- a parallel adhesive strip 33 which extends in the middle portion of the overlap 22. This adhesive strip 33 is broken, allowing gas leakage to the outside, i. from the inside of the sack to the outside.
- Perforations 37 in the form of needling which form the air-permeable region of the overlap 22, are provided on the inner layer 31 between the two bonds 24, 33.
- the air permeability can of course also by using a highly porous sen material in this area of the paper layer 20 can be achieved.
- the outer layer 32 can be cut off after the bonding 33.
- a better protection of the filling results when the outer layer 32 - as shown in Figure 5 - the bond 33 projects beyond and peripherally bonded to a continuous adhesive strip 34 with the inner layer 31.
- this bond 34 is preferably sealing.
- the overlap region 36 facing the exterior of the bag, which faces the outside of the bag must also be permeable to air, as shown hatched in FIG. 5. This can be achieved analogously to the inner layer 31, for example by recessing a coating in the region 36 or by using a highly porous paper or perforations.
- the air outlet region 36 and the perforation region 37 are therefore not one above the other, but laterally offset from one another.
- the paper bag can be well vented when filling by the configuration of the overlap 22 and the gas-tight coating on the inside or a water-resistant coating on the outside of the bag can be a high product protection of the filling or a weatherproof design of the paper bag 10th to reach.
- the embodiment of the overlap 22 is used, for example, not only for coated layers of a paper bag, but is also suitable for those layers which have neither on the inside nor on the outside of a corresponding coating and basically air-permeable properties exhibit.
- the design of a corresponding overlap with air-permeable region is particularly desirable if the basic material property of the layer does not have sufficient air permeability. In this case, overlapping and forming an air permeable area with higher air permeability over the remaining material area of the ply may result in better venting when filling the paper bag.
- the design of a paper bag is suitable, in which at least one arbitrary layer, for example the inner, outer or an intermediate layer is provided with a corresponding overlap. This bag need not necessarily comprise a coated paper layer or a coated paper layer with an overlap 22.
- a layer which is not made of paper and introduced as an additional barrier layer is likewise provided with the correspondingly described overlap 22.
- a barrier layer can be, for example, a plastic film which is intended to protect the filled product against the ingress of liquid or gases.
- this plastic film or another gas-tight layer may be provided with the appropriate overlap.
- This bag need not necessarily comprise a coated paper layer or a coated paper layer with an overlap 22.
- further perforations or otherwise pronounced air-permeable regions may be provided.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bag Frames (AREA)
- Buffer Packaging (AREA)
- Wrappers (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL14808494T PL3092179T3 (pl) | 2014-01-10 | 2014-11-26 | Worek papierowy |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202014000194.4U DE202014000194U1 (de) | 2014-01-10 | 2014-01-10 | Papiersack |
PCT/EP2014/003162 WO2015104038A1 (de) | 2014-01-10 | 2014-11-26 | Papiersack |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3092179A1 true EP3092179A1 (de) | 2016-11-16 |
EP3092179B1 EP3092179B1 (de) | 2018-11-07 |
Family
ID=52011134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14808494.0A Active EP3092179B1 (de) | 2014-01-10 | 2014-11-26 | Papiersack |
Country Status (14)
Country | Link |
---|---|
US (1) | US10144552B2 (de) |
EP (1) | EP3092179B1 (de) |
JP (1) | JP6615101B2 (de) |
KR (1) | KR102331469B1 (de) |
CN (1) | CN106232492B (de) |
BR (1) | BR112016015951B1 (de) |
DE (1) | DE202014000194U1 (de) |
DK (1) | DK3092179T3 (de) |
ES (1) | ES2709851T3 (de) |
HK (1) | HK1232196A1 (de) |
MX (1) | MX371175B (de) |
MY (1) | MY178121A (de) |
PL (1) | PL3092179T3 (de) |
WO (1) | WO2015104038A1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO2768978T3 (de) * | 2014-02-20 | 2018-04-21 | ||
EP3283385A1 (de) * | 2015-04-17 | 2018-02-21 | Fiorini Packaging S.p.A. | Wasserfeste tasche |
FR3049271B3 (fr) * | 2016-03-25 | 2018-06-15 | Yozgat Kraft Torba Sanayi Ve Ticaret Anonim Sirketi | Sac en papier kraft pour l'emballage et le stockage d’un produit en poudre et en granules a des fins industrielles |
TR201603887A2 (de) * | 2016-03-25 | 2016-06-21 | Yozgat Kraft Torba Sanayi Ve Ticaret A S | |
DE102017001760A1 (de) | 2017-02-23 | 2018-08-23 | Dy-Pack Verpackungen Gustav Dyckerhoff Gmbh | Mehrlagiger Sack |
DE202017001357U1 (de) | 2017-03-13 | 2018-06-14 | Dy-Pack Verpackungen Gustav Dyckerhoff Gmbh | Mehrlagiger Ventilsack |
DE102017004268B4 (de) | 2017-05-03 | 2019-05-16 | Dy-Pack Verpackungen Gustav Dyckerhoff Gmbh | Mehrlagiger Sack |
DE202017103128U1 (de) * | 2017-05-23 | 2018-08-24 | Bischof + Klein Se & Co. Kg | Entlüftbarer Ventilsack |
DE202018100246U1 (de) | 2018-01-17 | 2019-04-30 | Dy-Pack Verpackungen Gustav Dyckerhoff Gmbh | Mehrlagiger Sack |
DE102018114001A1 (de) | 2018-06-12 | 2019-12-12 | Dy-Pack Verpackungen Gustav Dyckerhoff Gmbh | Mehrlagiger Sack |
DE202018105191U1 (de) | 2018-09-11 | 2019-12-12 | Dy-Pack Verpackungen Gustav Dyckerhoff Gmbh | Sack für Schüttgut |
IT202000013471A1 (it) * | 2020-06-05 | 2021-12-05 | Fiorini Packaging S P A | Sacco privo di elementi in plastica con alta protezione dall'umidità e dall'acqua |
DE202021106846U1 (de) | 2021-12-16 | 2023-03-28 | Dy-Pack Verpackungen Gustav Dyckerhoff Gmbh | Mehrlagiger Papiersack |
DE202023100291U1 (de) | 2023-01-20 | 2024-04-25 | Dy-Pack Verpackungen Gustav Dyckerhoff Gmbh | Sack |
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US3085737A (en) * | 1962-04-25 | 1963-04-16 | Olin Mathieson | Bag with interrupted longitudinal seam |
US3309006A (en) * | 1966-02-16 | 1967-03-14 | Bemis Co Inc | Plastic bags |
DE2319672C3 (de) * | 1973-04-18 | 1986-02-13 | Wilhelmstal-Werke Gmbh Papiersackfabriken, 7590 Achern | Mehrlagiger Sack |
JPS5743791Y2 (de) * | 1978-08-04 | 1982-09-27 | ||
JPS55148054U (de) | 1979-04-11 | 1980-10-24 | ||
JPH01179198A (ja) * | 1988-01-08 | 1989-07-17 | Ricoh Co Ltd | リジェクト方式 |
DE4303894C2 (de) * | 1993-02-10 | 1996-05-09 | Haver & Boecker | Verfahren zum Herstellen eines mit einem Schüttgut füllbaren, im Leerzustand flachen Packmittel |
JPH10258845A (ja) * | 1997-03-19 | 1998-09-29 | Kanpai:Kk | 水分散性セメント袋 |
FI103269B1 (fi) * | 1997-06-19 | 1999-05-31 | Upm Kymmene Oy | Sulkusäkki ilmanpoistolla |
JP3215658B2 (ja) * | 1997-09-10 | 2001-10-09 | 大倉工業株式会社 | 粒状体収納用袋 |
JP2000153855A (ja) | 1998-11-24 | 2000-06-06 | Oji Paper Co Ltd | 易離解性防湿多層袋 |
JP2003170945A (ja) * | 2001-12-03 | 2003-06-17 | Kyoei Hoso:Kk | 収納袋 |
US6986605B1 (en) * | 2003-04-23 | 2006-01-17 | Exopack-Technology, Llc | Multiwall vented bag, vented bag forming apparatus, and associated methods |
DE102004013469A1 (de) * | 2004-03-18 | 2005-10-06 | Wacker Polymer Systems Gmbh & Co. Kg | Mehrwandiges, sackförmiges Verpackungsmittel |
CN2707652Y (zh) | 2004-06-11 | 2005-07-06 | 杜斌 | 平口手提纸质环保袋 |
DE202005003539U1 (de) | 2005-03-04 | 2006-07-13 | Dy-Pack Verpackungen Gustav Dyckerhoff Gmbh | Papiersack |
DE102005035352A1 (de) * | 2005-07-28 | 2007-02-01 | Haver & Boecker Ohg | Mit einem Schüttgut befüllbarer Sack |
US8282539B2 (en) | 2008-12-22 | 2012-10-09 | Exopack, Llc | Multi-layered bags and methods of manufacturing the same |
CA2610911A1 (en) * | 2005-08-29 | 2007-03-08 | Exopack-Technology, Llc | Method of forming and using a vented bag |
DE202006020404U1 (de) * | 2006-01-26 | 2008-07-31 | Mondi Ag | Mehrlagiger Sack aus Papier |
DE202006019054U1 (de) * | 2006-12-18 | 2008-04-30 | Bischof + Klein Gmbh & Co. Kg | Verpackungsbehältnis in Beutel- oder Sackform |
JP5911311B2 (ja) | 2012-01-17 | 2016-04-27 | 石川株式会社 | 脱気容易な防湿袋 |
DE202013004058U1 (de) | 2013-04-30 | 2014-08-01 | Dy-Pack Verpackungen Gustav Dyckerhoff Gmbh | Papiersack |
-
2014
- 2014-01-10 DE DE202014000194.4U patent/DE202014000194U1/de not_active Expired - Lifetime
- 2014-11-26 WO PCT/EP2014/003162 patent/WO2015104038A1/de active Application Filing
- 2014-11-26 BR BR112016015951-9A patent/BR112016015951B1/pt active IP Right Grant
- 2014-11-26 EP EP14808494.0A patent/EP3092179B1/de active Active
- 2014-11-26 KR KR1020167021136A patent/KR102331469B1/ko active IP Right Grant
- 2014-11-26 MY MYPI2016702482A patent/MY178121A/en unknown
- 2014-11-26 US US15/110,792 patent/US10144552B2/en active Active
- 2014-11-26 CN CN201480077050.8A patent/CN106232492B/zh active Active
- 2014-11-26 JP JP2016545886A patent/JP6615101B2/ja active Active
- 2014-11-26 DK DK14808494.0T patent/DK3092179T3/en active
- 2014-11-26 PL PL14808494T patent/PL3092179T3/pl unknown
- 2014-11-26 ES ES14808494T patent/ES2709851T3/es active Active
- 2014-11-26 MX MX2016008904A patent/MX371175B/es active IP Right Grant
-
2017
- 2017-06-12 HK HK17105763.5A patent/HK1232196A1/zh unknown
Also Published As
Publication number | Publication date |
---|---|
JP2017501946A (ja) | 2017-01-19 |
HK1232196A1 (zh) | 2018-01-05 |
CN106232492B (zh) | 2020-02-07 |
MX2016008904A (es) | 2016-12-09 |
JP6615101B2 (ja) | 2019-12-04 |
US10144552B2 (en) | 2018-12-04 |
MY178121A (en) | 2020-10-05 |
BR112016015951A2 (pt) | 2017-08-08 |
KR102331469B1 (ko) | 2021-11-29 |
WO2015104038A1 (de) | 2015-07-16 |
KR20160108402A (ko) | 2016-09-19 |
US20160332781A1 (en) | 2016-11-17 |
MX371175B (es) | 2020-01-21 |
ES2709851T3 (es) | 2019-04-17 |
PL3092179T3 (pl) | 2019-04-30 |
DK3092179T3 (en) | 2019-01-07 |
EP3092179B1 (de) | 2018-11-07 |
DE202014000194U1 (de) | 2015-04-14 |
BR112016015951B1 (pt) | 2021-07-20 |
CN106232492A (zh) | 2016-12-14 |
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