EP2763906A1 - Packaging container that can be ventilated - Google Patents
Packaging container that can be ventilatedInfo
- Publication number
- EP2763906A1 EP2763906A1 EP12788418.7A EP12788418A EP2763906A1 EP 2763906 A1 EP2763906 A1 EP 2763906A1 EP 12788418 A EP12788418 A EP 12788418A EP 2763906 A1 EP2763906 A1 EP 2763906A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shielding element
- packaging container
- area
- outer opening
- ventilation area
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 45
- 238000009423 ventilation Methods 0.000 claims description 29
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 239000002985 plastic film Substances 0.000 claims description 6
- 229920006255 plastic film Polymers 0.000 claims description 5
- 238000013022 venting Methods 0.000 abstract description 65
- 239000013590 bulk material Substances 0.000 abstract description 5
- 239000004033 plastic Substances 0.000 abstract description 2
- 229920003023 plastic Polymers 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 230000003313 weakening effect Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000004049 embossing Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000005429 filling process Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000002966 varnish Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 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
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/01—Ventilation or drainage of bags
Definitions
- the invention relates to a packaging container for bulk materials, in particular a bag or bag made of plastic film, with at least one bulk material enclosing the container wall extending in the container longitudinal direction, multi-layer venting area of at least one inner layer and an outer layer, wherein the venting area at least one Inner and an outer opening, wherein the inner openings are formed as apertures in a strip-shaped surface area of an inner layer of the vent area, wherein the surface area extends over at least a predetermined portion in the extension direction of the vent area, and wherein the at least one outer opening in a vent area laterally limiting seam is formed, wherein the outer opening in the connecting seam in the interior of the venting area a shielding element for targeted deflection at least one it is associated with partial flow of the vent area passing air flow.
- Packaging containers of the aforementioned type are known to be used in particular for receiving pourable or free-flowing products, such as, for example, foods, fertilizers or similar products. Such pourable contents are produced, inter alia, in the food industry or the chemical industry or needed for further processing in a manufacturing process. With the help of the packaging container, the
- CONFIRMATION COPY Transport filling or bulk goods, place them in interim storage or, in the case of an end product contained in them.
- a generic packaging container is known from DE 10 2007 022 400 A1.
- the ventilation device described here has a vent channel with two separate chambers which are interconnected via an overflow opening, wherein the inner vent opening is provided on the first chamber and the outer vent opening on the second chamber.
- U1 describes a packaging container with walls which form a passage area for an air outlet in a two-ply flat air outlet region.
- the passage region is subdivided into a plurality of chambers connected to one another via in each case at least one passage, on which the inner openings or outer openings are arranged at a distance from one another.
- the packaging container comprises at least one container wall enclosing the bulk material, which has a multi-layered ventilation region extending in the container longitudinal direction and comprising at least one inner layer and an outer layer with only one chamber.
- the venting area is equipped with at least one inner and outer opening.
- the inner openings are formed primarily as openings in a strip-shaped area of the inner layer of the venting area, so that the air from the container interior between the inner and outer layer can flow.
- the surface area provided with openings extends approximately over the total height of the venting area.
- At least one outer opening is provided, via which the occurred between the layers of air can be discharged into the environment. This ensures safe ventilation, but can at relatively dusty contents occur already during the filling process or a successful completion of the filling pressing process of the packaging container dusting of the contents of the packaging.
- the invention has for its object to improve a packaging container of the aforementioned type to the effect that the packaging container is particularly simple and the Gregutaustrag on the vent area is particularly small.
- a packaging container for bulk materials in particular a bag or bag made of plastic film, with at least one bulk material enclosing container wall which has a container in the longitudinal direction extending, multi-layer vent area of at least one inner layer and an outer layer, wherein the ventilation area at least one indoor and outer opening, wherein the inner openings are formed as apertures in a strip-shaped surface area of the inner layer of the venting area and the surface area extends over at least a portion in the extension direction of the venting area and wherein the at least one outer opening formed in a laterally delimiting the vent area connecting seam is and the outer opening in the connecting seam in the interior of the venting area, a shielding element for the targeted deflection of at least a partial flow passing the venting area associated with the air flow, that the venting area only has a chamber in which the shielding member separates the inner and outer openings and that the shielding member has a length in the range between 10% and 50% of the total length of the venting area.
- venting area Due to the design of the venting area with only a single chamber in which a comparatively short shielding element is provided, the method of FIG. packaging container and in particular the ventilation area considerably simplified. Due to the inventive design of the venting area also pursues only a very small contents discharge.
- the air flow passing through the outer opening thereby carries at least a negligibly small amount of particles or at best no particles at all.
- a shielding element allows an advantageously narrow design of the venting area, which results in material savings.
- the strip-shaped surface area equipped with inner openings can, for example, extend over the total height of the ventilation area.
- the shielding element in the interior of the venting region can be formed, for example, from a material section of the plastic film used, for example, for the production of the packaging container, which is attached to the inner and outer layer, extending in the longitudinal direction.
- a plastic film which can be welded on both sides or a plastic composite film can be used as the container wall.
- venting region of the packaging container can be produced by, for example, the juxtaposition of two longitudinal edges of a film web folded in its longitudinal direction. It is also conceivable for a film tube produced by means of an extrusion process on the outside to apply a foil strip. The longitudinal edges of the film web or of the film strip attached to the tubular film are connected, inter alia, by means of welding or adhesive seams.
- the shielding element is a seam section which separates the outer openings from an immediately adjacent surface section of the strip-shaped surface area of the inner layer equipped with apertures.
- the design as a seam section represents an advantageously simple way of forming the shielding element, wherein the inner and outer layers of the venting region are directly connected to one another by means of the seam section. This creates separate areas in the still existing as only one chamber venting area.
- the strip-shaped surface area extends with its openings.
- On the opposite side of the seam portion is arranged at a predetermined distance from this at least one outer opening in the connecting seam. It is also conceivable to provide a plurality of outer openings in the respective connecting seam, through which a correspondingly large air flow can escape.
- the shielding member preferably extends in the longitudinal direction of the container and thus parallel to the longitudinal sides and the lateral connecting seams of the likewise extending in the longitudinal direction of the container venting area.
- the shielding can, based on its position in Extending direction of the venting area may be arranged together with the outer opening, for example, centrally.
- the outer opening is arranged approximately uniformly spaced from the ends of the shielding element. It is also conceivable to provide the shielding element together with the outer opening at any height of the venting area.
- the shielding element and the outer opening are arranged in at least one end region of the venting region, wherein the shielding element ends directly at a transverse seam delimiting the venting region.
- the design of the shielding element in an end region of the venting region has the advantage that the packaging container can be vented for a relatively long time, especially during a forced ventilation by means of a press belt, without an increased risk of damage such as, for example, tearing open to have the packaging container.
- the vented packaging container can then be optimally stacked for further transport. It is for example possible that the shielding element is weakened over a portion of its extension or has a weakening, so that damage to the bag is advantageously excluded in particular in a subsequent vent.
- a weakening agent for example, a release varnish, which is partially applied between the inner and outer layers of the venting region and thus weakens the connection
- a weakening agent for example, a release varnish
- the connection of the separating seam is then separated or interrupted above a certain pressure in the venting area and the overpressure can break down via the weakening point and the outer opening.
- a shielding element arranged at the end region of the venting region its weakening takes place approximately in the vicinity of the transverse seam. Any arrangement of the weakening is also conceivable.
- the venting area may preferably extend over the entire height of the packaging container so that the transverse seams closing the venting area simultaneously form the upper and lower closure seams of the packaging container.
- the shielding element which is preferably in the form of a seam section, is arranged immediately adjacent and parallel to the associated surface piece of the strip-shaped region having the openings. In this way, the partial flow of the air flow, which enters the venting area through the apertures arranged adjacent to the shielding element, is then immediately deflected initially in the longitudinal direction of the venting area.
- the partial flow guided along the shielding element is deflected by about 180 degrees, wherein the partial flow is combined with at least one further partial flow which has passed through patches of the inner layer which are not in the region of the shielding element.
- the further partial flow flows relatively straight in the direction of the outer opening in the connection seam. Due to the relatively strong deflection of a partial flow at the free end of the shielding is usually an automatic elimination of any entrained Gugutpisme, due to their inertia. In addition, caused by the deflection of the partial flow air turbulence, which further improves the process of Piserab- or excretion.
- the filling material particles leaving the deflected partial flow meet with particles from the undeflected partial flow of the air flow passing through the ventilation area.
- the particles are increasingly distracted from one another and the air flow exiting the outer opening is relatively free of particles.
- the shielding element arranged or formed in the interior of the venting area preferably has a length of at least 5% of the total height of the venting area. This ensures that the outer opening of the venting area is arranged at a sufficient distance from the free end of the shielding element. Thus, there is a sufficiently long distance between the free end of the shielding and the outer opening, on which the air flow can lose the previously entrained Gugut particles. In order not to unnecessarily complicate the venting function on the packaging container or even to create an additional resistance for the air flow passing through the venting area, the shielding element only has a maximum length of 60% of the total height of the venting area.
- the shielding element thus has a length of approximately 60% of the total height of the packaging container.
- the preferred length of the shielding element is in particular in a range between 10 and 50% of the height or length of the venting area.
- the outer opening by means of an interruption of a lateral connecting seam, wherein the superposed layers of the venting area are connected to one another by means of the connecting seam.
- the interruption of the vent area laterally delimiting seam represents a structurally simple way to form the necessary outer opening.
- the tool generating the weld is recessed, so that the superimposed layers remain unconnected to the venting area.
- the ventilation region of which is produced by placing the edge regions of the film web on top of one another, the interruptions in the connecting seam are to be provided which connects the marginal edge of the upper one of the longitudinal edges of the film web to the underlying longitudinal edge.
- the outer opening is formed by means of at least one weakened portion of the lateral connecting seam.
- a weakening means such as a surface piece assigned to the outer opening of at least one of the mutually facing surfaces of the inner and outer layer of the venting area
- a release varnish be applied before generating the venting area.
- the superimposed layers are therefore in this provided with the weakening surface piece when creating a continuous connecting seam a significantly reduced adhesion to each other.
- the material bond can already be canceled by a each after filling at its ends in each case completely closed by transverse welding seams packaging container is guided by a crimping or squeeze for pressing out the air in the packaging container.
- the multi-layer vent area between at least one inner and one outer layer is equipped with spacers, at least in some areas.
- spacers With the use or the formation of spacers between the layers of the venting area, the escape of the air that has come into the packaging container together with the filling material from the packaging interior is advantageously improved.
- the spacers in particular, possible adhesion forces between the adjoining surfaces of the superimposed layers of the vent area can be avoided, since such intermolecular attraction forces hinder the air flow passing through the vent area.
- the spacers are formed as in at least one of the superimposed layers introduced embossing. By means of such embossing a structurally simple way to maintain a predetermined distance between the layers is created.
- the embossings can be formed both in sections and over the entire length and width of the vent area extending on one of the layers.
- the single FIGURE shows a perspective view of a ventable packaging container according to the invention.
- 1 with a gusseted bag is called, which has a container enveloping the container 2.
- the gusseted bag 1 further comprises front wall 3, rear wall 4 formed with the container wall 2 and two side walls 5, 6 present as gussets.
- a multi-layered ventilation area 7 with an inner layer 8 and an outer layer 9 is provided in the front wall of the bag 1.
- the venting region having only one chamber has inner openings 10, 10 'and at least one outer opening 11.
- the area 12 extends over the entire height of the vent area 7.
- the outer opening 11 is in one of the vent area 7 laterally delimiting seams 13,
- the shielding element 15 is a seam section 16 extending parallel to the lateral connecting seams 13, 14, which separates the outer opening 11 from a surface section 12 'of the apertures having strip-shaped surface region 12 arranged directly adjacent to the outer opening. Both the shielding element 15 and the outer opening 1 1 are arranged in an end region 17 of the venting region 7, the shielding element 15 being directly perpendicularly adjacent to a transverse seam 18 delimiting the venting region 7 and closing the gusseted sack 1 at the upper end. With the help of the transverse seam 19, the lower end of the bag 1 is closed.
- the shielding element 15 has a length of at least 5% and a maximum of 60 percent of the total height of the venting area.
- the outer opening 1 1 is formed in particular as an interruption of the lateral connecting seam 13, wherein by means of the connecting seams 13, 14, the outer layer 9 is fixed on the inner layer 8.
- the gusseted bag 1 can be made of a film web or a tube. In a film web whose edge regions are folded so that they produce the inner layer 8 and the outer layer 9 of the venting region 7. In a tubular film is preferably placed on the outside of the outer layer forming a separate film strip. In order to ensure an undisturbed air flow in the interior of the venting region 7, spacers 20, 20 'are provided on the outside of the inner layer 8. The spacers may also be formed on the inside of the outer layer 9.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bag Frames (AREA)
- Packages (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL12788418T PL2763906T3 (en) | 2011-10-06 | 2012-10-08 | Packaging container that can be ventilated |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202011106386U DE202011106386U1 (en) | 2011-10-06 | 2011-10-06 | Ventable packaging container |
PCT/DE2012/000981 WO2013050025A1 (en) | 2011-10-06 | 2012-10-08 | Packaging container that can be ventilated |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2763906A1 true EP2763906A1 (en) | 2014-08-13 |
EP2763906B1 EP2763906B1 (en) | 2015-07-01 |
Family
ID=45373122
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12788418.7A Active EP2763906B1 (en) | 2011-10-06 | 2012-10-08 | Packaging container that can be ventilated |
Country Status (12)
Country | Link |
---|---|
US (1) | US9156591B2 (en) |
EP (1) | EP2763906B1 (en) |
AU (1) | AU2012320946B2 (en) |
CA (1) | CA2850971C (en) |
DE (1) | DE202011106386U1 (en) |
DK (1) | DK2763906T3 (en) |
ES (1) | ES2548270T3 (en) |
HU (1) | HUE025180T2 (en) |
MY (1) | MY166094A (en) |
PL (1) | PL2763906T3 (en) |
RU (1) | RU2605536C2 (en) |
WO (1) | WO2013050025A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9555947B2 (en) * | 2012-05-31 | 2017-01-31 | Berry Plastics Corporation | Vented steam cooking package |
DE202012006946U1 (en) | 2012-07-18 | 2012-08-22 | Nordfolien Gmbh | Packaging container with ventilation function |
DE202014007340U1 (en) * | 2014-09-15 | 2015-12-18 | Bischof + Klein Gmbh & Co. Kg | Flexible packaging container |
DE102016220428A1 (en) * | 2016-09-27 | 2018-03-29 | Windmöller & Hölscher Kg | Valve bag and method and system for producing a valve sack |
WO2018156308A1 (en) * | 2017-02-21 | 2018-08-30 | The Procter & Gamble Company | Methods of making vented flexible containers |
EP3585687A1 (en) | 2017-02-22 | 2020-01-01 | The Procter and Gamble Company | Methods of making flexible containers with structural support frames |
US11338975B2 (en) | 2018-05-16 | 2022-05-24 | The Procter & Gamble Company | Container blanks for flexible packages and methods of making flexible packages |
US11167896B2 (en) * | 2019-12-09 | 2021-11-09 | Charlotte Squires | Contaminant resistant product packaging |
US11167897B2 (en) * | 2019-10-16 | 2021-11-09 | Charlotte Squires | Contaminant resistant product packaging |
US20230054277A1 (en) * | 2021-08-12 | 2023-02-23 | Cj Cheiljedang Corporation | Pouch for retort food |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4408244A1 (en) * | 1994-03-11 | 1995-09-14 | Bosch Gmbh Robert | Laminate for the production of packaging containers |
EP0890521A1 (en) * | 1997-07-09 | 1999-01-13 | Daiwa Gravure Co., Ltd. | Packaging bag |
US6170985B1 (en) * | 1997-10-15 | 2001-01-09 | Lyle F. Shabram, Jr. | Bag with venting means |
JP4059753B2 (en) * | 2002-11-14 | 2008-03-12 | 大和グラビヤ株式会社 | Storage bag |
DE102004013469A1 (en) | 2004-03-18 | 2005-10-06 | Wacker Polymer Systems Gmbh & Co. Kg | Multi-walled, bag-shaped packaging material |
US7543708B2 (en) * | 2004-08-23 | 2009-06-09 | United States Gypsum Company | Plastic bag for fine powders |
DE102006017229B4 (en) * | 2006-04-12 | 2008-06-05 | Nordfolien Gmbh | Packaging for bulk goods, in particular bags of plastic film |
DE102006020303A1 (en) | 2006-05-03 | 2007-11-08 | Volkswagen Ag | Actuating device for a vehicle braking system comprises a spindle drive unit interacting with a piston of a pressure chamber which is connected to the piston of a main braking cylinder |
DE102007022400A1 (en) * | 2006-05-13 | 2007-11-15 | Haver & Boecker Ohg | Package e.g. bag, for accommodating e.g. humidity-sensitive bulk material, has channel connecting inner ventilation opening with outer ventilation opening, where openings are provided in respective chambers to increase water tightness |
ITMI20070175U1 (en) * | 2006-05-13 | 2007-11-14 | Haver & Boecker Ohg | PACKAGE |
DE202006020303U1 (en) | 2006-10-05 | 2008-03-20 | Bischof + Klein Gmbh & Co. Kg | packaging container |
DE202012006946U1 (en) * | 2012-07-18 | 2012-08-22 | Nordfolien Gmbh | Packaging container with ventilation function |
-
2011
- 2011-10-06 DE DE202011106386U patent/DE202011106386U1/en not_active Expired - Lifetime
-
2012
- 2012-10-08 CA CA2850971A patent/CA2850971C/en active Active
- 2012-10-08 EP EP12788418.7A patent/EP2763906B1/en active Active
- 2012-10-08 DK DK12788418.7T patent/DK2763906T3/en active
- 2012-10-08 WO PCT/DE2012/000981 patent/WO2013050025A1/en active Application Filing
- 2012-10-08 AU AU2012320946A patent/AU2012320946B2/en active Active
- 2012-10-08 ES ES12788418.7T patent/ES2548270T3/en active Active
- 2012-10-08 HU HUE12788418A patent/HUE025180T2/en unknown
- 2012-10-08 MY MYPI2014001009A patent/MY166094A/en unknown
- 2012-10-08 US US14/349,753 patent/US9156591B2/en active Active
- 2012-10-08 RU RU2014117948/13A patent/RU2605536C2/en active
- 2012-10-08 PL PL12788418T patent/PL2763906T3/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2013050025A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2013050025A1 (en) | 2013-04-11 |
EP2763906B1 (en) | 2015-07-01 |
RU2014117948A (en) | 2015-11-20 |
DK2763906T3 (en) | 2015-10-12 |
US9156591B2 (en) | 2015-10-13 |
US20140241649A1 (en) | 2014-08-28 |
AU2012320946A1 (en) | 2014-04-17 |
PL2763906T3 (en) | 2015-11-30 |
CA2850971C (en) | 2019-10-29 |
ES2548270T3 (en) | 2015-10-15 |
CA2850971A1 (en) | 2013-04-11 |
AU2012320946A2 (en) | 2014-05-01 |
ES2548270T9 (en) | 2015-11-24 |
MY166094A (en) | 2018-05-24 |
AU2012320946B2 (en) | 2016-10-20 |
DE202011106386U1 (en) | 2011-11-18 |
RU2605536C2 (en) | 2016-12-20 |
HUE025180T2 (en) | 2016-02-29 |
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