WO2007104274A1 - Verfahren und vorrichtung zur herstellung eines behälters - Google Patents
Verfahren und vorrichtung zur herstellung eines behälters Download PDFInfo
- Publication number
- WO2007104274A1 WO2007104274A1 PCT/DE2007/000117 DE2007000117W WO2007104274A1 WO 2007104274 A1 WO2007104274 A1 WO 2007104274A1 DE 2007000117 W DE2007000117 W DE 2007000117W WO 2007104274 A1 WO2007104274 A1 WO 2007104274A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- inner bag
- container
- outer container
- pressure
- wall
- 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.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/22—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor using multilayered preforms or parisons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2793/00—Shaping techniques involving a cutting or machining operation
- B29C2793/0054—Shaping techniques involving a cutting or machining operation partially cutting through the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3086—Interaction between two or more components, e.g. type of or lack of bonding
- B29C2949/3094—Interaction between two or more components, e.g. type of or lack of bonding preform having at least partially loose components, e.g. at least partially loose layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/42378—Handling malfunction
- B29C49/4238—Ejecting defective preforms or products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
- B29L2009/001—Layered products the layers being loose
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/20—Flexible squeeze tubes, e.g. for cosmetics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7158—Bottles
Definitions
- the invention relates to a method for producing a container containing a substantially rigid outer container and an easily deformable inner bag, which consist of thermoplastic materials which do not weld with each other, wherein the container has a container opening and the outer container has at least one wall opening through which a pressure equalization in the space between the inner bag and the outer container takes place when the inner bag contracts due to the release of its contents.
- a preform consisting of at least two hoses is coextruded and placed between the open halves of a blow mold, the blow mold being closed when the preform has the length required to produce the container.
- the at least one wall opening is formed by piercing or piercing the wall of the outer container with a drill, burin or puncture needle, whereby upon complete penetration of the wall of the outer container, a pressure medium is blown against the wall of the inner bag or is injected to push it back so that it is not damaged by the drill or puncture needle.
- the pressure medium may be air, gas, water or a gel.
- thermoplastic plastics of the outer container and the inner bag do not weld with each other, but they adhere to each other when the container is prepared by the method described above in the coextrusion process.
- a container is usable, ie filled with a liquid or, for example, also gelatinous container contents, which is then gradually discharged, for example by means of an airless pump or in the case of a squeeze container by squeezing it, the inner bag must at least largely detached from the wall of the outer container and then put back on them. This is done so far in such a way that a vacuum or vacuum is applied to the inner bag through the container opening, which then suddenly contracts.
- the inner bag which is clamped with its bottom seam in the bottom web of the outer container, more or less uncontrollably detached from the outer container, it may happen, for example, that the inner bag detaches only on one side.
- a pressure medium generally compressed air
- the container opening is introduced into the inner bag through the container opening in order to re-apply it to the outer container so that the inner bag has the intended filling volume.
- the container thereby has a bottle shape with a neck which merges via shoulder portions in the example cylindrical body of the outer container, it is often inevitable according to the known procedure that in the transition region of the shoulder to the main body of the outer container, air between the outer container and the inner bag is included that can not escape.
- the present invention has for its object to develop a method of the type mentioned so that the inner bag in a controlled manner and as evenly detached from the outer container and largely without the inclusion of air (or other pressure medium) between the inner wall of the outer container and the inner bag can be re-applied to the outer container.
- a device is to be specified, can be produced with the container with these properties.
- the method according to the invention provides for the preparation of the container in the blow mold and its removal, the following steps, which are preferably carried out in the apparatus according to the invention: a) The container opening is sealed, which is preferably carried out by a plug which is pressed tightly into the container opening, usually a container neck. Thereafter, in known manner, the at least one wall opening formed by the wall of the outer container is pierced or pierced by a drill or puncture needle, wherein after complete penetration of the wall of the outer container, a pressure medium, preferably compressed air, in the space between the container and the inner bag is introduced.
- a pressure medium preferably compressed air
- the pressure medium is preferably ejected from a channel at the head end of the drill or the puncture needle and blown against the opposite region of the inner bag, which is pushed back by the high pressure medium. This increases the internal pressure in the inner bag.
- the pressure in the inner bag is preferably detected by a pressure sensor disposed therein. If a predetermined first pressure threshold, which is preferably in the very small order of about 0.05 bar, reached and is detected by the sensor, the feed of the drill or puncture needle is immediately stopped by a control device, so that damage to the wall the inner bag is safely avoided.
- the introduction of the pressure medium into the space between the outer container and the inner bag continues until a predetermined second pressure threshold is detected in the inner bag indicating that the inner bag has been released to the desired extent and to the intended container height from the outer container , Upon reaching the second pressure threshold, which may be for example 0.15 bar, the introduction of the pressure medium in the space between the outer container and the inner bag is stopped.
- a predetermined second pressure threshold which may be for example 0.15 bar
- the second pressure threshold will become a function of the container size , the container shape, the material used, etc. set so that an optimal detachment of the inner bag takes place.
- the second threshold is set at such a height that the detachment process is stopped before reaching the critical areas.
- the associated pressure threshold can be determined by appropriate tests. The second threshold value must therefore always be matched to the respective container type.
- the said gap is relieved of pressure by suitably the drill or the puncture needle is withdrawn from the hole in the wall.
- steps b) to d) are carried out twice, preferably by forming a wall opening on both sides of a plane containing the bottom seam and the central longitudinal axis of the container and introducing the pressure medium there. It is within the scope of the invention that also formed on both sides of the plane more wall openings and the steps according to the invention can be applied accordingly often.
- the wall openings can be formed practically on each area of the outer container, for example on the floor, expediently facing the two wall openings or holes on a line which bisects the bottom seam and runs at right angles thereto.
- the formation of the wall openings about halfway up the wall of the outer container is then particularly useful when it is a squeeze container in which the container contents are delivered not by an airless pump, but by squeezing the outer container, the two wall openings can be closed by the fingers of the user to facilitate the discharge of the container contents.
- the container openings may also be formed in the shoulder area.
- steps b) to d) according to the invention are carried out successively only at a wall opening, and that thereafter these steps take place for or at the other wall opening.
- a pressure medium is released into the inner bag through the container opening, for example through the stopper in the bottleneck after the intermediate space between the outer container and the inner bag has been relieved of pressure , Introduced to put the detached from the container wall inner bag back to this.
- a predetermined volume of a medium under a predetermined pressure is introduced into the inner bag by a biased source of compressed air is connected by opening a valve with the interior of the inner bag, and that thereby measured in the inner bag pressure measured becomes.
- This pressure reading is correlated to the fill volume of the inner bag and shows whether it has been fully applied to the outer container as intended or whether trapped air has reduced the fill volume, thereby rendering the container useless (if an associated tolerance limit is exceeded).
- a bulge of the outer container is formed in the blow mold in the region of the wall openings provided, for. in the form of a flat spherical section with a corresponding inner indentation against which the inner bag rests. If the drill has pierced perpendicularly or at an oblique angle to the wall surface of this spherical cap-shaped wall portion and the pressure medium is blown against the likewise spherical cap-shaped portion of the inner bag, the latter section abruptly inwards, whereby contact with the drilling tool or stylus is safely avoided.
- the device according to the invention preferably contains two separate drilling stations with controlled drive and controlled fast forward stroke, wherein the angle of attack of the drilling tools and their position are adjustable.
- step a) ie after sealing the container opening by means of a suitable plug, compressed air is introduced into the inner bag, wherein a pressure is built, which is smaller than the pressure of the in the intermediate space between the outer container and the inner bag inserted medium.
- This counterpressure acts as a buffer which prevents the inner bag from being "shot away" upward undesirably, for example over an edge of the container, by the compressed air introduced into the space between the outer container and the inner bag Separation in a particularly controlled, uniform manner, whereby the internal pressure can be relieved or reduced with increasing detachment of the inner bag and concomitant reduction in volume, for example by means of a suitable valve, but this is not the case absolutely must be the case.
- the pressure sensor is expediently set to zero.
- the detachment of the inner bag is thus carried out preferably in two separate cycles, which operate with the same or different pressure thresholds, which are to be determined before carrying out the method.
- the sealing plugs which are suitably used for sealing the container opening, preferably each have a bore for a sensor located in the inner bag or its conduit and for an air back pressure valve, through which the compressed air is introduced into the inner bag.
- the counterpressure acting as a buffer can be up to about 0.2 bar, depending on the container. In an alternative embodiment, only one opening with a switching valve is provided.
- the device according to the invention has a container transfer station, which is either equipped manually or automatically, or is in communication with the blow molding machine. At an insertion station, the containers are placed in a workpiece carrier, wherein, for example, four containers are arranged in a row on which a transverse yoke descends, which seals the containers with sealing plugs.
- the device according to the invention further preferably has two drilling stations, a station for volume testing, a station for leak testing and preferably a camera station for checking the sealing surface and the removal height and a chip removal device.
- a good-bad switch for quality assurance is provided, wherein the containers are sorted out as "bad” that did not pass the volume and / or tightness test and in which the second pressure threshold was not reached, so that here the inner bag has not been sufficiently detached.
- a data acquisition device of the device the pressure values during drilling and in the volume and tightness test are detected.
- materials such as PP, PET-G, and Surlyn are used for the outer container, while the inner bag may be made of, for example, Lupolen or Surlyn.
- the inner bag can for example also consist of three layers, for example EVOH, adhesion promoter layer, Surlyn or Lupolen. It is understood that these materials are exemplary only and not limiting.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Packages (AREA)
- Supplying Of Containers To The Packaging Station (AREA)
Abstract
Description
Claims
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2644648A CA2644648C (en) | 2006-03-16 | 2007-01-24 | Method and device for producing a container |
| AT07721854T ATE501832T1 (de) | 2006-03-16 | 2007-01-24 | Verfahren und vorrichtung zur herstellung eines behälters |
| EP07721854A EP1996384B1 (de) | 2006-03-16 | 2007-01-24 | Verfahren und vorrichtung zur herstellung eines behälters |
| BRPI0707086-1A BRPI0707086B1 (pt) | 2006-03-16 | 2007-01-24 | Método para produzir contêiner e dispositivo para realizar etapas desse método |
| MX2008011698A MX2008011698A (es) | 2006-03-16 | 2007-01-24 | Metodo y dispositivo para producir un recipiente. |
| AU2007224866A AU2007224866B2 (en) | 2006-03-16 | 2007-01-24 | Method and device for producing a container |
| US12/282,999 US7585452B2 (en) | 2006-03-16 | 2007-01-24 | Method and device for producing a container |
| DE502007006726T DE502007006726D1 (de) | 2006-03-16 | 2007-01-24 | Verfahren und vorrichtung zur herstellung eines behälters |
| CN2007800093377A CN101410238B (zh) | 2006-03-16 | 2007-01-24 | 用于制造容器的方法和设备 |
| PL07721854T PL1996384T3 (pl) | 2006-03-16 | 2007-01-24 | Sposób i urządzenia do produkcji pojemnika |
| US12/500,233 US7959430B2 (en) | 2006-03-16 | 2009-07-09 | Device for producing a container |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006012487.1 | 2006-03-16 | ||
| DE102006012487A DE102006012487B4 (de) | 2006-03-16 | 2006-03-16 | Verfahren und Vorrichtung zur Herstellung eines Behälters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2007104274A1 true WO2007104274A1 (de) | 2007-09-20 |
Family
ID=37402102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2007/000117 Ceased WO2007104274A1 (de) | 2006-03-16 | 2007-01-24 | Verfahren und vorrichtung zur herstellung eines behälters |
Country Status (13)
| Country | Link |
|---|---|
| US (2) | US7585452B2 (de) |
| EP (1) | EP1996384B1 (de) |
| CN (1) | CN101410238B (de) |
| AT (1) | ATE501832T1 (de) |
| AU (1) | AU2007224866B2 (de) |
| BR (1) | BRPI0707086B1 (de) |
| CA (1) | CA2644648C (de) |
| DE (2) | DE102006012487B4 (de) |
| ES (1) | ES2362937T3 (de) |
| MX (1) | MX2008011698A (de) |
| PL (1) | PL1996384T3 (de) |
| RU (1) | RU2421332C2 (de) |
| WO (1) | WO2007104274A1 (de) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102802914B (zh) * | 2009-06-25 | 2016-01-20 | Ti汽车技术中心有限责任公司 | 容器制造 |
| DE102012206636A1 (de) | 2012-04-23 | 2013-10-24 | Krones Ag | Vorrichtung zur Erzeugung und Befüllung eines Füllgutbehälters mit Kunststoff-Liner |
| ES2762865T3 (es) * | 2016-09-26 | 2020-05-26 | Boehringer Ingelheim Int | Procedimiento para la prueba de estanqueidad de una bolsa en el espacio interior de un recipiente |
| CN110121403B (zh) * | 2016-12-28 | 2021-09-17 | 东洋纺株式会社 | 树脂成形物及树脂成形物的制造方法 |
| DE102017004657B4 (de) * | 2017-05-16 | 2021-09-23 | Gaplast Gmbh | Behälter mit Innenbeutel |
| CN112172030B (zh) * | 2020-07-22 | 2023-03-17 | 中铁第一勘察设计院集团有限公司 | 出线套管模具、出线套管及其加工方法 |
| DE102020129996B3 (de) * | 2020-11-13 | 2022-03-03 | Gaplast Gmbh | Verfahren zur Herstellung von Behältern |
| KR102523391B1 (ko) * | 2021-05-10 | 2023-04-20 | (주) 올리브 | 재활용 소재를 이용한 이중용기 제조방법 및 이중용기 |
| DE102021116278B4 (de) | 2021-06-23 | 2024-02-29 | Gaplast Gmbh | Verfahren und Vorrichtung zur Herstellung eines Behälters bestehend aus einem steifen Außenbehälter und einem leicht verformbaren Innenbeutel |
| DE102021116277B4 (de) * | 2021-06-23 | 2024-07-04 | Gaplast Gmbh | Verfahren zur Herstellung eines Behälters aus einem steifen Außenbehälter und einem leicht verformbaren Innenbeutel |
| DE102021121806A1 (de) | 2021-08-23 | 2023-02-23 | Gaplast Gmbh | Behälter bestehend aus einem steifen Außenbehälter und einem verformbaren Innenbeutel sowie Verfahren zur Herstellung eines derartigen Behälters |
| DE102021132329B4 (de) | 2021-12-08 | 2023-11-09 | Gaplast Gmbh | Vorrichtung zum Ablösen zusammenfaltbarer Innenbeutel von den Innenwänden starrer Außenbehälter |
| DE102022116966A1 (de) * | 2022-07-07 | 2024-01-18 | Gaplast Gmbh | Verfahren zur Herstellung eines verwendungsfähigen Behälters bestehend aus einem steifen Außenbehälter und einem verformbaren Innenbeutel |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08175568A (ja) * | 1994-08-15 | 1996-07-09 | Toyo Seikan Kaisha Ltd | 積層剥離ボトル及びその製造方法、該ボトルを製造するための大気導入孔穿孔用ドリル、ピンチオフ開口部のヒートシール装置、並びに積層剥離ボトルに用いる注出ポンプ |
| DE19626967A1 (de) * | 1996-07-04 | 1998-01-08 | Gaplast Gmbh | Verfahren zur Herstellung eines Behälters sowie Behälter mit Druckausgleichsöffnungen |
| DE19626968A1 (de) * | 1996-07-04 | 1998-01-15 | Gaplast Gmbh | Behälter mit Druckausgleichsöffnung |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19626976C2 (de) | 1996-04-25 | 1998-05-14 | Erbe Elektromedizin | Chirurgisches Instrument |
| US6670007B1 (en) * | 1999-04-07 | 2003-12-30 | Owens-Brockway Plastic Products Inc. | Multilayer container |
| DE10013000A1 (de) * | 2000-03-16 | 2001-09-20 | Basell Polyolefine Gmbh | Blasgeformte Behälter und Formteile aus Kunststoff mit verbesserter Antistatik |
-
2006
- 2006-03-16 DE DE102006012487A patent/DE102006012487B4/de not_active Expired - Fee Related
-
2007
- 2007-01-24 DE DE502007006726T patent/DE502007006726D1/de active Active
- 2007-01-24 AU AU2007224866A patent/AU2007224866B2/en not_active Ceased
- 2007-01-24 BR BRPI0707086-1A patent/BRPI0707086B1/pt active IP Right Grant
- 2007-01-24 EP EP07721854A patent/EP1996384B1/de active Active
- 2007-01-24 MX MX2008011698A patent/MX2008011698A/es active IP Right Grant
- 2007-01-24 RU RU2008140939/05A patent/RU2421332C2/ru active
- 2007-01-24 US US12/282,999 patent/US7585452B2/en active Active
- 2007-01-24 ES ES07721854T patent/ES2362937T3/es active Active
- 2007-01-24 PL PL07721854T patent/PL1996384T3/pl unknown
- 2007-01-24 WO PCT/DE2007/000117 patent/WO2007104274A1/de not_active Ceased
- 2007-01-24 AT AT07721854T patent/ATE501832T1/de active
- 2007-01-24 CA CA2644648A patent/CA2644648C/en active Active
- 2007-01-24 CN CN2007800093377A patent/CN101410238B/zh active Active
-
2009
- 2009-07-09 US US12/500,233 patent/US7959430B2/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08175568A (ja) * | 1994-08-15 | 1996-07-09 | Toyo Seikan Kaisha Ltd | 積層剥離ボトル及びその製造方法、該ボトルを製造するための大気導入孔穿孔用ドリル、ピンチオフ開口部のヒートシール装置、並びに積層剥離ボトルに用いる注出ポンプ |
| DE19626967A1 (de) * | 1996-07-04 | 1998-01-08 | Gaplast Gmbh | Verfahren zur Herstellung eines Behälters sowie Behälter mit Druckausgleichsöffnungen |
| DE19626968A1 (de) * | 1996-07-04 | 1998-01-15 | Gaplast Gmbh | Behälter mit Druckausgleichsöffnung |
Also Published As
| Publication number | Publication date |
|---|---|
| US20090039549A1 (en) | 2009-02-12 |
| PL1996384T3 (pl) | 2011-09-30 |
| US20090274788A1 (en) | 2009-11-05 |
| RU2421332C2 (ru) | 2011-06-20 |
| DE102006012487B4 (de) | 2008-08-21 |
| ATE501832T1 (de) | 2011-04-15 |
| CN101410238A (zh) | 2009-04-15 |
| RU2008140939A (ru) | 2010-04-27 |
| BRPI0707086B1 (pt) | 2019-05-28 |
| BRPI0707086A2 (pt) | 2011-04-19 |
| CN101410238B (zh) | 2013-06-12 |
| AU2007224866B2 (en) | 2011-01-27 |
| MX2008011698A (es) | 2008-09-26 |
| EP1996384B1 (de) | 2011-03-16 |
| US7585452B2 (en) | 2009-09-08 |
| AU2007224866A1 (en) | 2007-09-20 |
| DE502007006726D1 (de) | 2011-04-28 |
| CA2644648A1 (en) | 2007-09-20 |
| ES2362937T3 (es) | 2011-07-15 |
| CA2644648C (en) | 2014-01-07 |
| DE102006012487A1 (de) | 2006-12-07 |
| US7959430B2 (en) | 2011-06-14 |
| EP1996384A1 (de) | 2008-12-03 |
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