WO2005113370A1 - Standbeutel mit optimiertem aufreissverhalten und verfahren zu seiner herstellung - Google Patents
Standbeutel mit optimiertem aufreissverhalten und verfahren zu seiner herstellung Download PDFInfo
- Publication number
- WO2005113370A1 WO2005113370A1 PCT/EP2005/005290 EP2005005290W WO2005113370A1 WO 2005113370 A1 WO2005113370 A1 WO 2005113370A1 EP 2005005290 W EP2005005290 W EP 2005005290W WO 2005113370 A1 WO2005113370 A1 WO 2005113370A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stand
- pouch
- stretched film
- unidirectionally stretched
- pouch according
- Prior art date
Links
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
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/52—Details
- B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
- B65D75/5805—Opening or contents-removing devices added or incorporated during package manufacture for tearing a side strip parallel and next to the edge, e.g. by means of a line of weakness
-
- 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
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/008—Standing pouches, i.e. "Standbeutel"
Definitions
- the invention relates to a stand-up pouch and a method for its production according to the preambles of claims 1 and 13.
- Stand-up pouches of the type mentioned are often used as a replacement for bags, but also bottles, cans and boxes, for packaging solid, liquid and pasty food and beverages as well as for everyday objects of all kinds.
- Stand-up pouches have numerous advantages over the above-mentioned conventional packaging, firstly their light weight, their excellent durability combined with simple and inexpensive manufacture, and also their unproblematic disposability.
- a stand-up pouch according to patent claim 1 and by a method for its production according to patent claim 13.
- the object is achieved by a stand-up pouch with a stand-up pouch body and a stand-up pouch base, in particular a standing base, wherein at least the stand-up pouch body comprises at least one unidirectionally stretched film.
- a stand-up pouch is understood to be any container formed from a film and / or a laminate, in particular also tubular pouches, with or without a separate or connected bottom and / or shoulder and / or lid part ,
- An important point of the invention lies in the fact that in a unidirectionally stretched film the molecular chains forming the film are aligned and arranged essentially parallel in the stretching direction. As a result, a splittability of the stretched material parallel to the stretching direction is preferred over a direction angled to it, so that an oblique tearing by the aligned molecular chains is made significantly more difficult or impossible.
- a further advantage of using a unidirectionally stretched film is that when splitting or tearing such a film parallel to the direction of stretching, no molecular chains have to be cut or torn from a molecular composite, since the molecular chains forming the material are not convoluted, but rather more or less smoothly next to one another are arranged. In this way, tearing such a unidirectionally stretched film parallel to the stretching direction requires a significantly reduced tear strength compared to conventional films, which is up to 50% to 60% below the tear strength that would be necessary for a conventional unstretched or bidirectionally stretched film.
- a stand-up pouch which is made at least in a tear-open area from a unidirectionally stretched film, shows a tear-open behavior that is optimized compared to conventional stand-up pouches, with a smooth and uniform tear-open edge that follows the stretching direction. It is not to be feared with such a stand-up pouch that a tear runs uncontrollably over the entire stand-up pouch body, so that even stand-up pouches with a liquid content can be torn open without any problem, without fear of loss of the pouch content.
- At least a part of the stand-up pouch body that can be torn open is formed from at least one unidirectionally stretched film.
- the entire stand-up pouch body as well as the stand-up pouch stand or stand-up floor and the stand-up pouch cover or a shoulder part connected to them can also be produced from such a unidirectionally stretched film.
- the unidirectionally stretched film is part of a laminate, which can have a barrier layer.
- the unidirectional film has at least one polyolefin and / or an ester, with polyethylene and / or polypropylene and / or polyethylene terephthalate being preferred materials.
- the optional barrier layer can consist, for example, of ethyl vinyl alcohol (EVOH) or a metal that is vapor-deposited on the laminate, or can be used as a film.
- EVOH ethyl vinyl alcohol
- Another barrier layer material includes, for example, glass-like substances that can contain SiO 2 .
- the aforementioned materials can be used in the case of polyethylene and / or polypropylene pure, but also as a coextrudate and in conjunction with polyethylene terephthalate.
- Aluminum is particularly suitable as a metal, although, depending on the application, other, preferably corrosion-resistant metals can also be used.
- the barrier layer is arranged on at least one sealable layer and is preferably embedded, for example, between polyethylene terephthalate and polypropylene or polyethylene.
- a multilayer laminate with a plurality of barrier layers can also be provided, preferably at least one of the outermost layers, in particular the outermost layer, being sealable.
- the unidirectionally stretched film it can also be a matter of several unidirectionally stretched films — has a greater thickness in relation to further layers of the laminate.
- the thickness of the unidirectionally stretched film is greater than that of the remaining further layers of the laminate, the thickness of a unidirectionally stretched film in the range from 10 ⁇ m to 200 ⁇ m, preferably in the range from 35 ⁇ m to 155 ⁇ m and particularly preferably in the range from 45 ⁇ m to 95 ⁇ m.
- the stand-up pouch produced by means of the unidirectionally stretched film can be sterilized.
- the film material Polypropylene is preferably provided, while for stand-up pouches that do not require sterilizability, polyethylene is a preferred, inexpensive and suitable material.
- the stand-up pouch body is extruded in tubular form or produced as a lap or fin seal, which results in an optimized round shape of the stand or Tubular bag body contributes.
- the stability of the stand-up pouch is largely ensured by at least one unidirectionally stretched film, the use of polyethylene terephthalate for mechanical stability and the use of polypropylene and / or polyethylene making a significant contribution to the dimensional stability.
- a tear-open aid in particular a notch or the like, direction-defining weakening, is provided on the stand-up pouch body, for example on a sealing seam, by means of which a further tear-open of the stand-up pouch can be initiated parallel to a unidirectional stretching direction of the unidirectionally stretched film.
- Such a tear-in or tear-open aid ensures that the tubular bag is torn in a targeted manner, the tear-off tip or notch pointing in the direction of the standing bag opening into the later opening seam or leading to the opening split of the unidirectionally stretched film.
- the object according to the invention is achieved by a method for producing a stand-up pouch, which is characterized by the following steps:
- a polyolefin and / or polyamide such as polyethylene or polypropylene or a coextrudate thereof is used to produce the thick film. It is also possible to use polyethylene terephthalate to produce the thick film.
- steps a) to c) simultaneously or quasi-simultaneously, in particular in the course of coextrusion. It is possible here to apply a barrier layer directly or between layers of the laminate during the production of the laminate.
- the laminate flat is also possible to produce the laminate flat as a film or as a fin- or lap-seal tube or, in particular, to extrude it and, if necessary, to seal it.
- a stand-up pouch according to the invention is produced by first producing a thick film from polypropylene and from polyethylene terephthalate.
- the polyethylene terephthalate and polypropylene thick film is stretched unidirectionally in the machine direction.
- An aluminum layer with a layer thickness of 8 ⁇ m is then applied to the stretched polypropylene film, which has a layer thickness of 70 ⁇ m.
- the aforementioned stretched polyethylene terephthalate layer which has a thickness of 12 ⁇ m, is in turn laminated onto the aluminum layer.
- the laminate with barrier properties produced in this way is formed into a tubular shape by means of a lap-seal connection to form a tubular bag body, into which a bottom part with a barrier property, for example a deep-drawn bottom part, is sealed on the bottom side.
- the tubular bag is sealed at the top using a fin-seal seal.
- a notch is arranged in a lower limit of the fin-seal seal such that when the tubular bag is torn open, the top-side fin-seal secondary seal is removed and the tubular bag is opened.
- the tubular bag By removing the fin-seal sealing on the head side, by means of which the tubular bag was held together at the head side in the closed state, the tubular bag can now unfold again in accordance with its round tubular body shape, so that the level of the bag contents now drops somewhat due to the widening of the bag , and spillage of the contents of the bag is also avoided.
- a thick film of polypropylene is first produced, which is then unidirectionally stretched in the machine direction until a layer thickness of the stretched polypropylene film of 70 ⁇ m is reached.
- Another thick film made of polyethylene terephthalate is also stretched unidirectionally in the machine direction until a layer thickness of the stretched polyethylene terephthalate film of about 12 ⁇ m is reached.
- a flat laminate is produced from these two stretched foils together with an aluminum foil with a layer thickness of 8 ⁇ m arranged between them.
- Foil blanks are cut from this laminate for the respective front and back sides of a stand-up pouch body. The respective outer edges of the front and back sides of the laminate are sealed together to a width of approx. 3 mm.
- the bottom of the stand-up pouch is made by sealing a V-shaped blank.
- the stand-up pouch is closed at the top after filling, for example by means of a fin-seal seal. Furthermore, a tear-off aid in the form of a notch is attached to the side fin-seal seal, by means of which a further tearing open of the stand-up pouch can be initiated.
- the tear aid can be provided on the stand-up pouch on one or both sides.
- an embossing can be provided adjacent to the tear line predefined by means of the tear-open notch and the direction of stretching.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bag Frames (AREA)
- Wrappers (AREA)
- Making Paper Articles (AREA)
- Packages (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/596,776 US20080101733A1 (en) | 2004-05-17 | 2005-05-13 | Stand-Up Pouch Having Optimised Tear-Open Behaviour, and Method for the Production Thereof |
JP2007517058A JP2007537938A (ja) | 2004-05-17 | 2005-05-13 | 開封性に優れた自立型袋及びその製造方法 |
NZ551038A NZ551038A (en) | 2004-05-17 | 2005-05-13 | Stand-up pouch, and a method for the production thereof |
EP05744962A EP1751025A1 (de) | 2004-05-17 | 2005-05-13 | Standbeutel mit optimiertem aufreissverhalten und verfahren zu seiner herstellung |
DE202005021704U DE202005021704U1 (de) | 2004-05-17 | 2005-05-13 | Standbeutel mit optimiertem Aufreißverhalten |
CA002565916A CA2565916A1 (en) | 2004-05-17 | 2005-05-13 | Flat-ended bag having an optimised splitting behaviour, and method for the production thereof |
BRPI0511155-2A BRPI0511155A (pt) | 2004-05-17 | 2005-05-13 | bolsa ereta tendo comportamento de abertura por rasgo otimizado, e método para a produção da mesma |
MXPA06013265A MXPA06013265A (es) | 2004-05-17 | 2005-05-13 | Bolsa que se sostiene parada con comportamiento de desgarre de abertura optimizado, y metodo para su produccion. |
US13/237,539 US20120010060A1 (en) | 2004-05-17 | 2011-09-20 | Stand-up pouch having optimised tear-open behaviour, and method for the production thereof |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004024348.4 | 2004-05-17 | ||
DE102004024348 | 2004-05-17 | ||
DE102004026980A DE102004026980B4 (de) | 2004-05-17 | 2004-06-03 | Standbeutel mit optimiertem Aufreißverhalten und Verfahren zu seiner Herstellung |
DE102004026980.7 | 2004-06-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005113370A1 true WO2005113370A1 (de) | 2005-12-01 |
Family
ID=34424598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/005290 WO2005113370A1 (de) | 2004-05-17 | 2005-05-13 | Standbeutel mit optimiertem aufreissverhalten und verfahren zu seiner herstellung |
Country Status (11)
Country | Link |
---|---|
US (2) | US20080101733A1 (de) |
EP (1) | EP1751025A1 (de) |
JP (1) | JP2007537938A (de) |
CN (1) | CN101891034A (de) |
BR (1) | BRPI0511155A (de) |
CA (1) | CA2565916A1 (de) |
DE (3) | DE202004016420U1 (de) |
MX (1) | MXPA06013265A (de) |
NZ (1) | NZ551038A (de) |
RU (1) | RU2376227C2 (de) |
WO (1) | WO2005113370A1 (de) |
Cited By (3)
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DE102009041341A1 (de) | 2009-05-19 | 2010-11-25 | Huhtamaki Forchheim Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg | Leicht zu öffnende Verpackung |
WO2012055896A3 (de) * | 2010-10-29 | 2012-08-16 | Huhtamaki Ronsberg, Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg | Verpackung sowie laminat zur herstellung der verpackung |
WO2020038579A1 (de) | 2018-08-23 | 2020-02-27 | Constantia Pirk Gmbh & Co. Kg | Recyclingfreundliches, einfach reissbares verpackungslaminat mit guter barrierewirkung und verfahren zu dessen herstellung |
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DE202004016420U1 (de) | 2004-05-17 | 2005-03-24 | Huhtamaki Ronsberg, Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg | Standbeutel mit optimiertem Aufreißverhalten |
DE102005039852A1 (de) * | 2005-08-23 | 2007-03-08 | Huhtamaki Ronsberg, Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg | Schlauchbeutel mit aufreißbarem Schlauchbeutelkörper |
US8308363B2 (en) | 2006-05-23 | 2012-11-13 | Kraft Foods Global Brands Llc | Package integrity indicator for container closure |
DE102007003550A1 (de) * | 2007-01-24 | 2008-07-31 | Huhtamaki Ronsberg, Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg | Verfahren zum Herstellen eines Schlauchbeutels mit einem einstückig damit ausgebildeten Standboden, und entsprechender Schlauchbeutel |
WO2008092477A1 (de) * | 2007-02-01 | 2008-08-07 | Huhtamaki Ronsberg, Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg | Schlauchbeutel mit aufreissbarem schlauchbeutelkörper |
US8408792B2 (en) | 2007-03-30 | 2013-04-02 | Kraft Foods Global Brands Llc | Package integrity indicating closure |
US20100018974A1 (en) * | 2008-07-24 | 2010-01-28 | Deborah Lyzenga | Package integrity indicating closure |
CA2733574C (en) * | 2008-08-15 | 2017-04-11 | Toray Plastics (America), Inc. | Heat sealable monoaxially-oriented propylene-based film with directional tear |
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AT506263B1 (de) * | 2009-04-09 | 2010-02-15 | Rampitsch Klaus | Trinkbeutel, insbesondere für den laufsport |
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DE102009041251A1 (de) | 2009-09-11 | 2011-03-24 | Huhtamaki Ronsberg, Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg | Aufreißbeutel |
ES2390202T3 (es) | 2010-01-26 | 2012-11-07 | Generale Biscuit | Envase resellable para productos alimenticios y procedimiento de fabricación |
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EP2598326B1 (de) | 2010-07-29 | 2017-07-19 | Toray Plastics (America) , Inc. | Heisssiegelfolie mit linearen reisseigenschaften |
US8932726B2 (en) | 2010-07-29 | 2015-01-13 | Toray Plastics (America), Inc. | High barrier heat sealable film with linear tear properties |
US9669591B2 (en) | 2010-07-29 | 2017-06-06 | Toray Plastics (America), Inc. | Heat sealable film with linear tear properties |
AU2012228962A1 (en) | 2011-03-17 | 2013-10-17 | Intercontinental Great Brands Llc | Reclosable flexible film packaging products and methods of manufacture |
CN103648925A (zh) * | 2011-05-08 | 2014-03-19 | 洲际大品牌有限责任公司 | 可重新封闭柔性膜包装及制造方法 |
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CA2997915A1 (en) | 2015-09-15 | 2017-03-23 | C.B. Fleet Company, Incorporated | Bisacodyl compositions and delivery apparatus |
US10759578B2 (en) | 2016-02-24 | 2020-09-01 | Bemis Company, Inc. | Multilayer pouch with heat-shrinkable layer |
WO2018202479A1 (de) | 2017-05-05 | 2018-11-08 | Constantia Hueck Folien Gmbh & Co. Kg | Recyclingfreundliches, einfach reissbares verpackungslaminat mit guter barrierewirkung und verfahren zu dessen herstellung |
AT519866B1 (de) * | 2017-05-05 | 2018-11-15 | Constantia Hueck Folien Gmbh & Co Kg | Recyclingfreundliches, einfach reißbares Verpackungslaminat mit guter Barrierewirkung und Verfahren zu dessen Herstellung |
EP3688077B1 (de) | 2017-09-29 | 2021-11-24 | Dow Global Technologies LLC | Teilbeschichtete folien und daraus geformte verpackungen |
CN116638842B (zh) * | 2023-05-24 | 2023-11-24 | 佛山市彩龙镀膜包装材料有限公司 | 一种复合镀铝膜及其制备方法 |
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JP5124085B2 (ja) * | 2005-08-24 | 2013-01-23 | 押尾産業株式会社 | 自立袋及びその製造方法 |
JP4816322B2 (ja) * | 2006-08-16 | 2011-11-16 | 東洋製罐株式会社 | 分岐型スタンディングパウチ |
US7744806B2 (en) * | 2007-01-29 | 2010-06-29 | Cryovac, Inc. | Process for making shrink film comprising rapidly-quenched semi-crystalline polyamide |
US20080182052A1 (en) * | 2007-01-29 | 2008-07-31 | Cryovac, Inc. | Multilayer heat-shrinkable film of high transparency, low haze, and high semi-crystalline polyamide content |
US10202229B2 (en) * | 2007-05-21 | 2019-02-12 | Cryovac, Inc. | Easy opening packaging article made from heat-shrinkable film exhibiting directional tear |
US10189621B2 (en) * | 2007-05-21 | 2019-01-29 | Cryovac, Inc. | Bag made from high-strength heat-shrinkable film exhibiting directional tear, and process utilizing same |
DE102009041251A1 (de) * | 2009-09-11 | 2011-03-24 | Huhtamaki Ronsberg, Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg | Aufreißbeutel |
-
2004
- 2004-06-03 DE DE202004016420U patent/DE202004016420U1/de not_active Expired - Lifetime
- 2004-06-03 DE DE102004026980A patent/DE102004026980B4/de not_active Revoked
-
2005
- 2005-05-13 CA CA002565916A patent/CA2565916A1/en not_active Abandoned
- 2005-05-13 RU RU2006144816/13A patent/RU2376227C2/ru not_active IP Right Cessation
- 2005-05-13 NZ NZ551038A patent/NZ551038A/en not_active IP Right Cessation
- 2005-05-13 BR BRPI0511155-2A patent/BRPI0511155A/pt not_active Application Discontinuation
- 2005-05-13 JP JP2007517058A patent/JP2007537938A/ja active Pending
- 2005-05-13 CN CN2010102369417A patent/CN101891034A/zh active Pending
- 2005-05-13 DE DE202005021704U patent/DE202005021704U1/de not_active Expired - Lifetime
- 2005-05-13 US US11/596,776 patent/US20080101733A1/en not_active Abandoned
- 2005-05-13 EP EP05744962A patent/EP1751025A1/de not_active Ceased
- 2005-05-13 WO PCT/EP2005/005290 patent/WO2005113370A1/de active Application Filing
- 2005-05-13 MX MXPA06013265A patent/MXPA06013265A/es not_active Application Discontinuation
-
2011
- 2011-09-20 US US13/237,539 patent/US20120010060A1/en not_active Abandoned
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US5360648A (en) * | 1993-06-24 | 1994-11-01 | The Dow Chemical Company | Pouch for packaging flowable materials |
EP0836936A1 (de) * | 1996-02-09 | 1998-04-22 | Dai Nippon Printing Co., Ltd. | Laminierter körper, deckel und ein sackartikel |
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JP2001018989A (ja) | 1999-07-02 | 2001-01-23 | Dainippon Printing Co Ltd | 詰め替え用パウチ |
JP2002347782A (ja) * | 2001-05-30 | 2002-12-04 | Kotobuki Sangyo:Kk | ポリエチレン袋体 |
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See also references of EP1751025A1 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009041341A1 (de) | 2009-05-19 | 2010-11-25 | Huhtamaki Forchheim Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg | Leicht zu öffnende Verpackung |
EP2258545A1 (de) | 2009-05-19 | 2010-12-08 | Huhtamaki Forchheim Zweigniederlassung der Huhtamaki Deutschland GmbH & Co. KG | Leicht zu öffnende Verpackung |
WO2012055896A3 (de) * | 2010-10-29 | 2012-08-16 | Huhtamaki Ronsberg, Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg | Verpackung sowie laminat zur herstellung der verpackung |
WO2020038579A1 (de) | 2018-08-23 | 2020-02-27 | Constantia Pirk Gmbh & Co. Kg | Recyclingfreundliches, einfach reissbares verpackungslaminat mit guter barrierewirkung und verfahren zu dessen herstellung |
Also Published As
Publication number | Publication date |
---|---|
CA2565916A1 (en) | 2005-12-01 |
DE102004026980B4 (de) | 2007-01-18 |
BRPI0511155A (pt) | 2007-12-04 |
DE202005021704U1 (de) | 2009-10-15 |
EP1751025A1 (de) | 2007-02-14 |
RU2006144816A (ru) | 2008-06-27 |
DE102004026980A1 (de) | 2005-12-08 |
JP2007537938A (ja) | 2007-12-27 |
MXPA06013265A (es) | 2007-04-16 |
NZ551038A (en) | 2009-10-30 |
RU2376227C2 (ru) | 2009-12-20 |
DE202004016420U1 (de) | 2005-03-24 |
US20080101733A1 (en) | 2008-05-01 |
US20120010060A1 (en) | 2012-01-12 |
CN101891034A (zh) | 2010-11-24 |
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