DE102007042039A1 - Vacuum insulation body i.e. vacuum insulation plate, producing method, involves cutting out individual insulation plates from bag after cooling down film sides, such that seal-edge width of specific millimeter remains about core plates - Google Patents
Vacuum insulation body i.e. vacuum insulation plate, producing method, involves cutting out individual insulation plates from bag after cooling down film sides, such that seal-edge width of specific millimeter remains about core plates Download PDFInfo
- Publication number
- DE102007042039A1 DE102007042039A1 DE102007042039A DE102007042039A DE102007042039A1 DE 102007042039 A1 DE102007042039 A1 DE 102007042039A1 DE 102007042039 A DE102007042039 A DE 102007042039A DE 102007042039 A DE102007042039 A DE 102007042039A DE 102007042039 A1 DE102007042039 A1 DE 102007042039A1
- Authority
- DE
- Germany
- Prior art keywords
- vacuum insulation
- film
- plates
- production
- vacuum
- 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
- 238000009413 insulation Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000001816 cooling Methods 0.000 title claims abstract description 4
- 238000005520 cutting process Methods 0.000 title description 3
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 230000004888 barrier function Effects 0.000 claims abstract description 8
- 238000009423 ventilation Methods 0.000 claims abstract 3
- 239000011162 core material Substances 0.000 claims description 33
- 238000004519 manufacturing process Methods 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 2
- 239000004831 Hot glue Substances 0.000 claims 1
- 239000004743 Polypropylene Substances 0.000 claims 1
- 239000011152 fibreglass Substances 0.000 claims 1
- 229910021485 fumed silica Inorganic materials 0.000 claims 1
- 229920001903 high density polyethylene Polymers 0.000 claims 1
- 239000004700 high-density polyethylene Substances 0.000 claims 1
- 229920001684 low density polyethylene Polymers 0.000 claims 1
- 239000004702 low-density polyethylene Substances 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- 239000010451 perlite Substances 0.000 claims 1
- 235000019362 perlite Nutrition 0.000 claims 1
- -1 polypropylene Polymers 0.000 claims 1
- 229920001155 polypropylene Polymers 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 239000011888 foil Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 4
- BUHVIAUBTBOHAG-FOYDDCNASA-N (2r,3r,4s,5r)-2-[6-[[2-(3,5-dimethoxyphenyl)-2-(2-methylphenyl)ethyl]amino]purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound COC1=CC(OC)=CC(C(CNC=2C=3N=CN(C=3N=CN=2)[C@H]2[C@@H]([C@H](O)[C@@H](CO)O2)O)C=2C(=CC=CC=2)C)=C1 BUHVIAUBTBOHAG-FOYDDCNASA-N 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011824 nuclear material Substances 0.000 description 1
- 239000003605 opacifier Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
- E04B1/803—Heat insulating elements slab-shaped with vacuum spaces included in the slab
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/06—Arrangements using an air layer or vacuum
- F16L59/065—Arrangements using an air layer or vacuum using vacuum
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/242—Slab shaped vacuum insulation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
- Y02B80/10—Insulation, e.g. vacuum or aerogel insulation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Architecture (AREA)
- General Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
Abstract
Description
Ein gebräuchliches Kernmaterial für die Herstellung von Vakuumisolationspaneelen mit sehr geringen Wärmeleitfähigkeiten ist pulverförmige, mikroporöse Kieselsäure, die zusammen mit Trübungsmitteln und einem geringen Anteil an Verbindungsfasern zu Platten verpresst wird. Weitere Kernmaterialien sind sehr feine Glasfasern oder offenporige Schäume, die allerdings aufgrund ihrer relativ grobporigen Struktur sehr niedrige Gasdrücke im Inneren erfordern, um die Wärmeleitfähigkeit der Restgase auszuschalten.One common nuclear material for the production of vacuum insulation panels with very low thermal conductivities is powdered, microporous silica, which together with opacifiers and a small proportion is pressed to connecting fibers to plates. Other core materials are very fine glass fibers or open-pored foams, however due to their relatively coarsely porous structure very low gas pressures inside require to heat conductivity to turn off the residual gases.
Ein übliches
Verfahren zur Herstellung von Vakuumdämmplatten besteht
darin, die Kernmaterialien, gegebenenfalls mit einer luftdurchlässigen Staubschutzumhüllung,
in einen vorbereiteten Beutel aus Hochbarrierefolie einzuschieben
und in einer Vakuumkammer über die verbliebene Öffnung
zu evakuieren. Nach einer ausreichenden Evakuierzeit wird mit Hilfe
eines Siegelbalken der Beutel verschlossen, die Vakuumkammer belüftet
und das evakuierte Teil entnommen. Ein weiteres Verfahren beschreibt
Beiden Verfahren ist gemein, dass bei kleineren Formaten der Vakuumdämmplatten (Größen typischerweise kleiner 20 cm × 20 cm) eine große Anzahl von Umhüllungsbeuteln hergestellt werden muss. Für einen Quadratmeter Vakuumpaneel mit der Größe 10 cm × 10 cm müssten alleine 100 Folienbeutel geformt und gesiegelt, mit den Kernplatten versehen und evakuiert werden. Typischerweise hat aber eine Vakuumkammer eine Größe von 120 cm × 200 cm, wobei jeweils eine bis drei Siegelleisten an den Seiten angebracht sind. Mit dieser Kammer können Vakuumdämmplatten ab einem halben Quadratmeter Größe sehr effektiv verarbeitet werden, da die Fläche der Kammer mit mehreren Platten zu einem großen Teil belegt werden kann. Kleine Vakuumdämmplatten mit z. B. der Größe 10 cm × 10 cm könnten dagegen nur einen kleinen Flächenanteil der Vakuumkammer belegen, da sie mit der geöffneten Seite zwischen die außenliegenden Siegelbalken gelegt werden müssen. Bei einer Vakuumkammer der oben genannten Größe könnte damit nur ein kleiner Bruchteil, etwa 20% der nutzbaren Kapazität, genutzt werden.Both Method is common that for smaller formats of vacuum insulation panels (Sizes typically less than 20 cm × 20 cm) made a large number of wrapping bags must become. For a square meter vacuum panel with the Size 10 cm × 10 cm would have Alone 100 foil pouches shaped and sealed, with the core plates be provided and evacuated. But typically has a vacuum chamber a size of 120 cm × 200 cm, wherein one to three sealing strips are attached to each side. Vacuum insulation panels can be removed with this chamber Half a square meter size very effective be processed because the area of the chamber with several Plates can be occupied to a large extent. little one Vacuum insulation panels with z. B. the size 10 cm × 10 cm, however, could only a small Occupy area of the vacuum chamber, as they with the open side between the outer sealing bars must be laid. In a vacuum chamber of the above size It could only be a small fraction, about 20% of the usable Capacity can be used.
Es
sind Vakuumdämmplatten bekannt, bei denen Anordnungen vieler
Teilkernplatten zwischen Folien vorgeschlagen werden (
Die bisherigen Techniken sind für kleinformatige Vakuumdämmplatten daher relativ aufwändig und kostenintensiv. Die Aufgabe besteht darin, ein Herstellungsverfahren insbesondere für kleinformatige Vakuumpaneele zu finden, das wesentlich kostengünstiger ist.The Previous techniques are for small-sized vacuum insulation panels therefore relatively expensive and expensive. The task consists of a manufacturing process especially for find small-sized vacuum panels, the much cheaper is.
Die Aufgabe wird durch folgendes Verfahren gelöst: Eine größere Anzahl von zu evakuierenden Kernplatten wird zwischen einer Oberfolie und einer Unterfolie aus Hochbarrierefolie so eingelegt, dass jeweils ein seitlicher Abstand zwischen den Kernplatten von mindestens einem Zentimeter eingehalten wird. Diese Anordnung wird mit den eingelegten Kernplatten in einer Vakuumkammer auf einen ausreichend geringen Gasdruck hin evakuiert. In der Vakuumkammer werden Oberfolie und Unterfolie mit Hilfe einer Siegelvorrichtung rundherum um die Anordnung der Kernplatten miteinander verbunden. Die Siegelvorrichtung bildet dabei eine geschlossene Linie um die Anordnung der Kernplatten herum mit vorzugsweise rechteckförmiger und kreisrunder Form. Die Bereiche zwischen den Kernplatten sind dabei noch unversiegelt.The Task is solved by the following procedure: A larger one Number of core plates to be evacuated is between a top film and a lower film of high barrier film inserted so that in each case a lateral distance between the core plates of at least one Centimeters is respected. This arrangement comes with the inserted core plates in a vacuum chamber to a sufficiently low gas pressure evacuated. In the vacuum chamber top film and bottom film are using a sealing device around the arrangement of the core plates connected with each other. The sealing device forms a closed Line around the arrangement of the core plates around with preferably rectangular and circular shape. The areas between the core plates are still unsealed.
Alternativ können die Kernplatten in einen auf drei Seiten geschlossenen Beutel aus Hochbarrierefolie eingelegt werden. Der an einer Seite offene Beutel wird mit den eingelegten Kernplatten in einer Vakuumkammer evakuiert und die offenen Seite mit einem Siegelbalken verschlossen.alternative The core plates can be closed in one on three sides Bag made of high barrier film are inserted. The one-sided open pouches are loaded with the core plates in a vacuum chamber evacuated and the open side sealed with a sealing bar.
Nach dem Belüften der Vakuumkammer wird erfindungsgemäß in beiden Fällen das evakuierte und folienumhüllte Produkt vorzugsweise in einem Ofen so weit erhitzt, dass aufeinanderliegende Folienteile, durch den äußeren Luftdruck zusammengedrückt, miteinander verschmelzen und um die einzelnen Kernplatten herum eine vakuumdichte Siegelnaht bilden. Jede einzelne Kernplatte sitzt danach in einem separaten, evakuierten Volumen.To the venting of the vacuum chamber according to the invention in in both cases the evacuated and foil-wrapped Product preferably heated in an oven so far that superimposed Foil parts, compressed by the external air pressure, merge together and around the individual core plates form a vacuum-tight seal. Every single core plate sits then in a separate, evacuated volume.
Die Dichtigkeit der Siegelnaht kann dadurch noch weiter erhöht werden, dass beim Erhitzen der Folie im Ofen ein Gasüberdruck von einem halben bis einigen bar aufgeprägt wird.The Tightness of the sealed seam can be increased even further be that when heating the film in the oven, a gas pressure is imprinted from one half to a few bar.
Nach dem Abkühlen der Folie und werden die einzelne Vakuumelemente mit Dämmkern mit Hilfe einer Schneidevorrichtung jeweils in der Art getrennt, dass eine ausreichende Breite der Siegelnaht übrig bleibt. Die Breite der Siegelnaht um das einzelne Vakuumelement herum sollte dabei immer mindestens 2 mm betragen.To cooling the film and become the individual vacuum elements with Dämmkern using a cutting device respectively separated in the way that a sufficient width of the sealed seam is left remains. The width of the sealed seam around the single vacuum element around should always be at least 2 mm.
Die erfindungsgemäße Art der Herstellung erlaubt es, die Fläche der Vakuumkammer zu einem großen Teil auszunutzen. Sie ist besonders vorteilhaft bei Kernplatten mit einer maximalen Stärke von 20 mm, bevorzugt 10 mm und besonders bevorzugt 5 mm. Je dünner die Kernplatte ist desto besser legt sich die Barrierefolie um den Rand herum.The inventive method of manufacture makes it possible to exploit the surface of the vacuum chamber to a large extent. It is particularly advantageous for core plates with a maximum thickness of 20 mm, preferably 10 mm and particularly preferred 5 mm. The thinner the core plate, the better the barrier film surrounds the edge.
Vorteil des Verfahrens ist, dass die gefertigte Vakuumdämmplatte beliebige Formen (rund, oval, mit konkaven und konvexen Randteilen) aufweisen kann und der Siegelungsbereich trotzdem direkt an den Randbereich angrenzen kann. Mit dem bisherigen Verfahren müssten zur Herstellung von komplexen Randflächenformen jeweils spezielle Siegelvorrichtungen, die diese Form nachvollziehen, hergestellt werden. Die eingesetzte Kernplatte selber kann relativ leicht durch Schneiden, Sägen oder Stanzen in der gewünschten Form herstellt werden. Die Randsiegelung passt sich dann beim Herstellen der Vakuumdämmplatte nach dem erfindungsgemäßen Verfahren der beliebigen Randform an.advantage of the process is that the manufactured vacuum insulation board any shapes (round, oval, with concave and convex edge parts) can still have and the sealing area directly to the Border area can border. With the previous procedure would have for producing complex edge shapes, respectively special sealing devices that follow this form made become. The inserted core plate itself can be relatively easily through Cutting, sawing or punching in the desired Form be made. The marginal seal then adapts to manufacture the vacuum insulation board according to the invention Method of any edge shape.
Das erfindungsgemäße Verfahren ist daher nicht nur für die Herstellung von kleinformatigen Vakuumdämmplatten geeignet sondern auch für einzelne, größere Elemente mit beliebiger Ausformung des Randes.The The inventive method is therefore not only for the production of small-sized vacuum insulation panels suitable but also for individual, larger Elements with arbitrary shape of the edge.
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - DE 10058566 [0002] - DE 10058566 [0002]
- - DE 102004026894 [0004] - DE 102004026894 [0004]
- - EP 1655419 [0004] - EP 1655419 [0004]
- - EP 1558869 [0004] EP 1558869 [0004]
Claims (15)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007042039A DE102007042039A1 (en) | 2007-09-05 | 2007-09-05 | Vacuum insulation body i.e. vacuum insulation plate, producing method, involves cutting out individual insulation plates from bag after cooling down film sides, such that seal-edge width of specific millimeter remains about core plates |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007042039A DE102007042039A1 (en) | 2007-09-05 | 2007-09-05 | Vacuum insulation body i.e. vacuum insulation plate, producing method, involves cutting out individual insulation plates from bag after cooling down film sides, such that seal-edge width of specific millimeter remains about core plates |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102007042039A1 true DE102007042039A1 (en) | 2009-03-12 |
Family
ID=40339842
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102007042039A Ceased DE102007042039A1 (en) | 2007-09-05 | 2007-09-05 | Vacuum insulation body i.e. vacuum insulation plate, producing method, involves cutting out individual insulation plates from bag after cooling down film sides, such that seal-edge width of specific millimeter remains about core plates |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102007042039A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102661475A (en) * | 2012-05-23 | 2012-09-12 | 苏州维艾普新材料有限公司 | Field cutting and packaging method of vacuum heat insulating plate |
DE102013104712A1 (en) * | 2013-05-07 | 2014-11-13 | Saint-Gobain Isover | Method for producing vacuum insulation panels |
DE102015008131A1 (en) * | 2014-11-25 | 2016-05-25 | Liebherr-Hausgeräte Lienz Gmbh | Vakuumdämmkörper |
US10006581B2 (en) | 2013-05-15 | 2018-06-26 | Va-Q-Tec Ag | Method for producing a vacuum insulating body |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10058566A1 (en) | 2000-08-03 | 2002-02-21 | Va Q Tec Ag | Foil-wrapped, evacuated thermal insulation body and manufacturing process for it |
EP1558869A2 (en) | 2002-12-05 | 2005-08-03 | Matsushita Refrigeration Company | Vacuum heat insulator and its manufacturing method |
DE102004026894A1 (en) | 2004-06-02 | 2005-12-22 | Cremers, Jan M., Dipl.-Ing. | Heat insulating mat principle for e.g. vacuum insulation panel, involves providing insulating units between two foil-like covering materials, and separating units through gas tight connection of foil-like covering materials |
EP1655419A2 (en) | 2004-09-14 | 2006-05-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Slab-shaped heat insulating element |
-
2007
- 2007-09-05 DE DE102007042039A patent/DE102007042039A1/en not_active Ceased
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10058566A1 (en) | 2000-08-03 | 2002-02-21 | Va Q Tec Ag | Foil-wrapped, evacuated thermal insulation body and manufacturing process for it |
EP1558869A2 (en) | 2002-12-05 | 2005-08-03 | Matsushita Refrigeration Company | Vacuum heat insulator and its manufacturing method |
DE102004026894A1 (en) | 2004-06-02 | 2005-12-22 | Cremers, Jan M., Dipl.-Ing. | Heat insulating mat principle for e.g. vacuum insulation panel, involves providing insulating units between two foil-like covering materials, and separating units through gas tight connection of foil-like covering materials |
EP1655419A2 (en) | 2004-09-14 | 2006-05-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Slab-shaped heat insulating element |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102661475A (en) * | 2012-05-23 | 2012-09-12 | 苏州维艾普新材料有限公司 | Field cutting and packaging method of vacuum heat insulating plate |
CN102661475B (en) * | 2012-05-23 | 2014-12-10 | 苏州维艾普新材料股份有限公司 | Field cutting and packaging method of vacuum heat insulating plate |
DE102013104712A1 (en) * | 2013-05-07 | 2014-11-13 | Saint-Gobain Isover | Method for producing vacuum insulation panels |
US9644781B2 (en) | 2013-05-07 | 2017-05-09 | Saint-Gobain Isover | Method for manufacturing vacuum insulation panels |
US10006581B2 (en) | 2013-05-15 | 2018-06-26 | Va-Q-Tec Ag | Method for producing a vacuum insulating body |
DE102015008131A1 (en) * | 2014-11-25 | 2016-05-25 | Liebherr-Hausgeräte Lienz Gmbh | Vakuumdämmkörper |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8181 | Inventor (new situation) |
Inventor name: ROTH, STEFAN, 97276 MARGETSHOECHHEIM, DE |
|
R012 | Request for examination validly filed |
Effective date: 20130309 |
|
R002 | Refusal decision in examination/registration proceedings | ||
R003 | Refusal decision now final |