WO2005092724A1 - Mehrwandiges, sackförmiges verpackungsmittel - Google Patents
Mehrwandiges, sackförmiges verpackungsmittel Download PDFInfo
- Publication number
- WO2005092724A1 WO2005092724A1 PCT/EP2005/002545 EP2005002545W WO2005092724A1 WO 2005092724 A1 WO2005092724 A1 WO 2005092724A1 EP 2005002545 W EP2005002545 W EP 2005002545W WO 2005092724 A1 WO2005092724 A1 WO 2005092724A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wall
- packaging means
- means according
- air
- packaging
- Prior art date
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 18
- 239000000123 paper Substances 0.000 claims description 10
- 239000002985 plastic film Substances 0.000 claims description 10
- 229920006255 plastic film Polymers 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 9
- 239000004568 cement Substances 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 229910052602 gypsum Inorganic materials 0.000 claims description 4
- 239000010440 gypsum Substances 0.000 claims description 4
- 239000011236 particulate material Substances 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 235000013312 flour Nutrition 0.000 claims description 2
- 239000008187 granular material Substances 0.000 claims description 2
- 239000004570 mortar (masonry) Substances 0.000 claims description 2
- 239000004745 nonwoven fabric Substances 0.000 claims description 2
- 239000004014 plasticizer Substances 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 239000012209 synthetic fiber Substances 0.000 claims description 2
- 229920002994 synthetic fiber Polymers 0.000 claims description 2
- 239000002562 thickening agent Substances 0.000 claims description 2
- 239000003570 air Substances 0.000 description 12
- 239000005022 packaging material Substances 0.000 description 5
- -1 polyethylene Polymers 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005429 filling process Methods 0.000 description 2
- 239000002655 kraft paper Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000002604 ultrasonography 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
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/01—Ventilation or drainage of bags
-
- 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
Definitions
- the invention relates to a multi-walled, bag-shaped packaging means for particulate materials, in particular powdery materials.
- Powdery materials such as polymer powder
- valve bags are packaged and sold in so-called valve bags.
- the filling takes place via filling machines, which run at high throughput and fill the powder with a lot of air in the fluidized state into the sack.
- the air must escape from the sack as quickly as possible.
- paper sacks made of kraft paper were used as packaging material because the air can escape through the paper, while the powdery filling material is retained.
- paper sacks have the disadvantage that they do not hold water and moisture adequately and are sensitive to mechanical stress.
- multi-walled valve bags which consist of a paper bag on the inside, which is surrounded on the outside by a bag made of plastic film, usually polyethylene film.
- plastic film usually polyethylene film.
- the plastic film enveloping the paper bag is at least one
- the invention relates to a multilayer, bag-like packaging means 1, which is designed such that it has a wide front side 3 and rear side 2, which are connected to narrow side surfaces 4 and 5, and is closed at the upper end 6 and lower end 7, being at the top
- the packaging means has an inner wall 9 made of air-permeable material, which is surrounded by an outer wall 10 made of air-impermeable material, characterized in that a) on the front 3 and / or the back 2, the Outer wall 10 overlaps a partial area 11 of up to 50% of the total area, b) in the overlap area 11 the inner layer 10a of the outer wall 10 is perforated, c) at the edges 12 and 13 of the overlap area 11 the two layers 10a and 10b lying one above the other by means of seams 14 and 15 are connected to one another, d) at one or both edges 12 and 13 the connection is interrupted in a region 16 which comprises 10 to 50% of the total length.
- Suitable air-permeable materials for the inner layer 9 are paper, woven materials or nonwovens made of synthetic fibers or natural fibers. Paper, for example conventional kraft papers with a basis weight of 30 to 120 g / m 2 , preferably 60 to 90 g / m 2 , is preferred.
- the plastic films customary in the packaging sector preferably polyolefin films, such as polyethylene or polypropylene films, and PVC films are suitable for the air-impermeable outer walls 10. The film thickness is generally 20 to 200 microns.
- the packaging means 1 has a cuboid shape when filled.
- the length is preferably between 30 to 120 cm, particularly preferably 60 to 100 cm.
- the width is preferably 20 to 80 cm, preferably 40 to 60 cm.
- the width of the side parts is preferably between 5 and 30 cm, particularly preferably 10 to 20 cm.
- the opening (filling (valve) opening) 8 at the upper end of the packaging means 1 preferably has a round or square cross section and is dimensioned such that the sack 1 can be filled via a filling nozzle. Generally, diameters of 5 to 20 cm are sufficient.
- the inside of the opening 8 is generally coated with a plastic material, preferably hot melt and / or thermoplastic (for example polyethylene). This enables the opening to be welded using ultrasound or heat.
- the inner, air-permeable material 9 is connected to the outer, air-impermeable material 10 by gluing.
- a paper inner layer 9 is preferably glued to an outer plastic film 10 only at the upper end 6 and at the bottom 7.
- the manufacturing process is such that the individual layers of the sack are moved from the roll into the production line and brought together. An endless hose is formed and cut to length accordingly. Then the ends are folded, the
- Valve opening inserted and glued. Finally, a cover sheet is glued to both ends of the sack.
- the outer material 10 generally a plastic film, overlaps either on the front 3 or on the front
- the outer wall 10 preferably overlaps only on one of the two sides, particularly preferably only on the back 2, that is the side on which the sack generally rests. In a further preferred embodiment, the plastic film overlaps over the entire length.
- the overlap area 11 is preferably 10 to 50% of the total area of the respective side.
- the inner layer 10a of the plastic film is perforated in the overlap region 11.
- the perforation density is generally 0.5 to 5 holes per cm 2 .
- the perforation can be by means of needling over the entire overlap area 11 or a partial area. Preferably 10 to 50% of the area of the overlap area 11 is provided with the perforation. Perforation is preferably carried out over the entire length of the overlap area. It is particularly preferred to the
- Edges 12 and 13 of the overlap area 11 are kept at a distance of 0.5 to 10 cm, the distance from the edge 12 of the overlap area, which is open, preferably being 2 to 10 cm.
- the hole size, perforation density and the perforated area essentially depend on how high the air outlet must be when filling. Depending on requirements, these sizes can be set by a specialist within the above-mentioned limits.
- connection is interrupted at one or both edges, preferably only at one edge.
- connection is broken in a region 16 which comprises 10 to 50% of the total length.
- the interruption is preferably in the upper half, particularly preferably in the upper third of the packaging means 1, since the residual air is at the top during the filling process.
- this construction ensures that the air can escape quickly during filling, despite the outer walls made of plastic film.
- the packaging material is suitable for the transport and storage of particulate materials, such as granules, fibers or fine or coarse powders.
- the packaging material is particularly suitable for moisture-sensitive goods.
- polymer powder in particular water-redispersible polymer powder (dispersion powder), or also highly disperse silica, cement, gypsum, cement or gypsum-containing dry mixtures such as dry mortar, flour, animal feed, water-soluble, powdery substances such as cement plasticizers, thickeners.
- the sack can be labeled, printed or provided with labels in the usual way.
- Figure 1 shows a perspective view of sack 1 in the empty state.
- FIG. 2 shows an enlarged partial section according to area II in FIG. 1.
- FIG. 1 shows a perspective illustration of sack 1 in the empty state, which has a first broad side 2 (rear) and a second broad side 3 (front), a first narrow side surface 4 and a second narrow side surface 5.
- the sack is closed on the end faces 6 and 7, a filling opening 8 being provided in the region of the end face 6 (upper end) for receiving a filling tube (not shown here) for filling the sack 1.
- the sack 1 has an air-permeable inner wall 9, which is surrounded by an air-impermeable outer wall 10.
- the outer wall 10 is in one
- Section 11 of the first broad side 2 is designed to overlap, the edges 12 and 13 of the overlap being connected airtight to the outer wall 10 by means of seams 14 and 15, for example weld seams.
- the seam 14 is preferably interrupted in the upper third in a region 16, as a result of which an air outlet opening 17 is formed.
- the inner outer wall area 10 a of overlapping partial area 11 is provided near the seam 15 with a perforation 18, which allows the passage of air from the inside of the bag 1 into the channel 19, formed by the superimposed outer wall areas 10a and 10b and the seams 14 and 15 of the overlap, via the air outlet opening 17 outdoors.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bag Frames (AREA)
- Packages (AREA)
- Making Paper Articles (AREA)
- Cartons (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007502293A JP2007535447A (ja) | 2004-03-18 | 2005-03-10 | 多層の袋状の包装材 |
EP05715923A EP1725466B1 (de) | 2004-03-18 | 2005-03-10 | Mehrwandiges, sackförmiges verpackungsmittel |
US10/598,848 US20070181459A1 (en) | 2004-03-18 | 2005-03-10 | Multi-walled, sack-type packaging |
DE502005001681T DE502005001681D1 (de) | 2004-03-18 | 2005-03-10 | Mehrwandiges, sackförmiges verpackungsmittel |
CN2005800085367A CN1934005B (zh) | 2004-03-18 | 2005-03-10 | 多壁袋型包装 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004013469.3 | 2004-03-18 | ||
DE102004013469A DE102004013469A1 (de) | 2004-03-18 | 2004-03-18 | Mehrwandiges, sackförmiges Verpackungsmittel |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005092724A1 true WO2005092724A1 (de) | 2005-10-06 |
Family
ID=34962879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/002545 WO2005092724A1 (de) | 2004-03-18 | 2005-03-10 | Mehrwandiges, sackförmiges verpackungsmittel |
Country Status (9)
Country | Link |
---|---|
US (1) | US20070181459A1 (de) |
EP (1) | EP1725466B1 (de) |
JP (1) | JP2007535447A (de) |
CN (1) | CN1934005B (de) |
AT (1) | ATE375307T1 (de) |
DE (2) | DE102004013469A1 (de) |
ES (1) | ES2293542T3 (de) |
TW (1) | TWI303615B (de) |
WO (1) | WO2005092724A1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1607339B1 (de) * | 2004-05-27 | 2008-03-26 | RKW AG Rheinische Kunststoffwerke | Kunststoffsack mit Überdruckenlüftung |
DE202006019054U1 (de) * | 2006-12-18 | 2008-04-30 | Bischof + Klein Gmbh & Co. Kg | Verpackungsbehältnis in Beutel- oder Sackform |
WO2011051739A1 (en) | 2009-10-26 | 2011-05-05 | Mandzsu Zoltan | Improved packaging container with overpressure relief, packing method and system |
US10633285B2 (en) | 2015-08-31 | 2020-04-28 | Wacker Chemie Ag | Additive pack |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080144979A1 (en) * | 2006-11-06 | 2008-06-19 | Marko I.R.D.C. | Plastic bag with improved air evacuation structure |
DE102007063784B3 (de) * | 2007-04-18 | 2013-06-27 | Abts- Advanced Bag Technology & Service Gmbh | Zementsack mit Öffnungen |
DE102007063783B3 (de) * | 2007-04-18 | 2013-06-27 | Abts- Advanced Bag Technology & Service Gmbh | Zementsack mit speziellem Laminat |
DE102007018579B4 (de) | 2007-04-18 | 2012-03-15 | Abts- Advanced Bag Technology & Service Gmbh | Zementsack und Herstellverfahren |
EP2088088B1 (de) * | 2008-02-06 | 2012-10-31 | Bischof+Klein GmbH & Co. KG | Verpackungsbehältnis in Beutel- oder Sackform |
DE102009032756A1 (de) * | 2009-07-11 | 2011-01-13 | Nordfolien Gmbh | Verpackungsbehälter mit Tragehilfe |
DE102009036556A1 (de) * | 2009-08-10 | 2011-02-17 | Windmöller & Hölscher Kg | Verfahren und Vorrichtung zur Herstellung eines Sacks oder eines Beutels mit Vliesmaterial sowie Sack oder Beutel, welcher Vliesmaterial umfasst |
BRPI1003492A2 (pt) * | 2010-09-23 | 2013-01-01 | Itap Bemis Ltda | disposição em válvula de embalagem flexìvel, embalagem flexìvel e filme flexìvel de laminado de plástico contendo a válvula e métodos aperfeiçoados de fabricação de filme flexìvel de laminado de plástico contendo a válvula e de conformação e enchimento da embalagem flexìvel contendo a válvula |
DE102011114969A1 (de) | 2011-10-06 | 2013-04-11 | Nordfolien Gmbh | Verpackungsbehälter mit Entlüftungskanal |
DE202011106386U1 (de) | 2011-10-06 | 2011-11-18 | Nordfolien Gmbh | Entlüftbarer Verpackungsbehälter |
AT512806B1 (de) * | 2012-04-23 | 2014-01-15 | Bsw Machinery Handels Gmbh | Gewebe für die Herstellung von Säcken |
DE202013004058U1 (de) | 2013-04-30 | 2014-08-01 | Dy-Pack Verpackungen Gustav Dyckerhoff Gmbh | Papiersack |
DE202014000194U1 (de) * | 2014-01-10 | 2015-04-14 | Dy-Pack Verpackungen Gustav Dyckerhoff Gmbh | Papiersack |
NO2768978T3 (de) * | 2014-02-20 | 2018-04-21 | ||
ES2582611B1 (es) * | 2015-03-13 | 2017-06-07 | Industrias Bolcar, S.A. | Saco multicapa con salida de presión |
WO2016166777A1 (en) * | 2015-04-17 | 2016-10-20 | Fiorini Packaging S.P.A. | Water resistant bag |
BR202018011357U2 (pt) | 2018-06-05 | 2019-12-24 | Klabin S A | disposição construtiva em saco de papel |
BR202018011387Y1 (pt) | 2018-06-05 | 2024-02-27 | Klabin S.A. | Disposição construtiva em saco de papel |
WO2020153910A1 (en) * | 2019-01-21 | 2020-07-30 | Suphantarida Nuttawat | Perforated bag for construction materials |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1486733A1 (de) * | 1965-09-25 | 1969-06-04 | Windmoeller & Hoelscher | Kunststoff-Ventilsack |
GB1401713A (en) * | 1973-01-17 | 1975-07-30 | British Visqueen Ltd | Plastics sack |
DE8314629U1 (de) * | 1983-05-18 | 1983-10-27 | Bischof Und Klein Gmbh & Co, 4540 Lengerich | Flexibles Verpackungsbehaeltnis in Sack- oder Beutelform |
US5493844A (en) * | 1993-02-10 | 1996-02-27 | Haver & Boecker | Packaging container for receiving bulk material, and method of and apparatus for making a flat packaging container as well as ventilating and sealing the filled packaging container |
EP0768245A1 (de) * | 1995-10-13 | 1997-04-16 | Rovema Verpackungsmaschinen GmbH | Beutel mit mindenstens einer Entlüftungsstelle und Verfahren zur Herstellung des Beutels |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4264007A (en) * | 1978-06-20 | 1981-04-28 | General Foods Corporation | Container having separate storage facilities for two materials |
NZ209507A (en) * | 1983-10-06 | 1986-07-11 | Canadian Ind | Thermoplastic valve bag:perforated outer wall with mesh inner liner |
US4596696A (en) * | 1983-11-15 | 1986-06-24 | Sybron Corporation | Disposable sterilizer mechanical air removal test pack |
JPS60146042U (ja) * | 1984-03-07 | 1985-09-27 | 千代田紙業株式会社 | 多層紙袋 |
US5460269A (en) * | 1993-02-18 | 1995-10-24 | Schonbek Worldwide Lighting Inc. | Skin packaging |
DE19711108C1 (de) * | 1997-03-06 | 1998-09-24 | Reemtsma H F & Ph | Verfahren zum Aufbringen einer Steuerbanderole auf eine Zigarettenpackung |
JP3215658B2 (ja) * | 1997-09-10 | 2001-10-09 | 大倉工業株式会社 | 粒状体収納用袋 |
US6132780A (en) * | 1998-10-09 | 2000-10-17 | General Mills, Inc. | Container for storing fine particles |
JP3066886U (ja) * | 1999-08-25 | 2000-03-07 | ベストプロダクツ株式会社 | 収納袋 |
JP3902494B2 (ja) * | 2001-07-19 | 2007-04-04 | 博之 山田 | 脱気構造を有する袋体及びその製造方法 |
DE60302084T2 (de) * | 2002-03-13 | 2006-06-01 | Mitsubishi Gas Chemical Co., Inc. | Sauerstoffabsorbierendes Etikett |
US8104959B2 (en) * | 2003-09-09 | 2012-01-31 | Cargill, Incorporated | Multi-handled sealed bag |
US7726880B2 (en) * | 2004-06-29 | 2010-06-01 | The Glad Products Company | Flexible storage bag |
-
2004
- 2004-03-18 DE DE102004013469A patent/DE102004013469A1/de not_active Withdrawn
-
2005
- 2005-03-10 CN CN2005800085367A patent/CN1934005B/zh not_active Expired - Fee Related
- 2005-03-10 JP JP2007502293A patent/JP2007535447A/ja active Pending
- 2005-03-10 EP EP05715923A patent/EP1725466B1/de not_active Not-in-force
- 2005-03-10 WO PCT/EP2005/002545 patent/WO2005092724A1/de active IP Right Grant
- 2005-03-10 US US10/598,848 patent/US20070181459A1/en not_active Abandoned
- 2005-03-10 AT AT05715923T patent/ATE375307T1/de not_active IP Right Cessation
- 2005-03-10 ES ES05715923T patent/ES2293542T3/es active Active
- 2005-03-10 DE DE502005001681T patent/DE502005001681D1/de active Active
- 2005-03-16 TW TW094107959A patent/TWI303615B/zh not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1486733A1 (de) * | 1965-09-25 | 1969-06-04 | Windmoeller & Hoelscher | Kunststoff-Ventilsack |
GB1401713A (en) * | 1973-01-17 | 1975-07-30 | British Visqueen Ltd | Plastics sack |
DE8314629U1 (de) * | 1983-05-18 | 1983-10-27 | Bischof Und Klein Gmbh & Co, 4540 Lengerich | Flexibles Verpackungsbehaeltnis in Sack- oder Beutelform |
US5493844A (en) * | 1993-02-10 | 1996-02-27 | Haver & Boecker | Packaging container for receiving bulk material, and method of and apparatus for making a flat packaging container as well as ventilating and sealing the filled packaging container |
EP0768245A1 (de) * | 1995-10-13 | 1997-04-16 | Rovema Verpackungsmaschinen GmbH | Beutel mit mindenstens einer Entlüftungsstelle und Verfahren zur Herstellung des Beutels |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1607339B1 (de) * | 2004-05-27 | 2008-03-26 | RKW AG Rheinische Kunststoffwerke | Kunststoffsack mit Überdruckenlüftung |
US7927015B2 (en) | 2004-05-27 | 2011-04-19 | Jürgen Heinemeier | Plastic bag with overpressure relief |
US8371752B2 (en) | 2004-05-27 | 2013-02-12 | Juergen Heinemeier | Plastic bag with overpressure relief |
DE202006019054U1 (de) * | 2006-12-18 | 2008-04-30 | Bischof + Klein Gmbh & Co. Kg | Verpackungsbehältnis in Beutel- oder Sackform |
WO2011051739A1 (en) | 2009-10-26 | 2011-05-05 | Mandzsu Zoltan | Improved packaging container with overpressure relief, packing method and system |
US10633285B2 (en) | 2015-08-31 | 2020-04-28 | Wacker Chemie Ag | Additive pack |
Also Published As
Publication number | Publication date |
---|---|
JP2007535447A (ja) | 2007-12-06 |
EP1725466A1 (de) | 2006-11-29 |
US20070181459A1 (en) | 2007-08-09 |
TW200531893A (en) | 2005-10-01 |
DE502005001681D1 (de) | 2007-11-22 |
EP1725466B1 (de) | 2007-10-10 |
ES2293542T3 (es) | 2008-03-16 |
CN1934005B (zh) | 2010-06-02 |
TWI303615B (en) | 2008-12-01 |
ATE375307T1 (de) | 2007-10-15 |
CN1934005A (zh) | 2007-03-21 |
DE102004013469A1 (de) | 2005-10-06 |
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Legal Events
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