US20060055124A1 - Sealing element - Google Patents
Sealing element Download PDFInfo
- Publication number
- US20060055124A1 US20060055124A1 US10/507,871 US50787105A US2006055124A1 US 20060055124 A1 US20060055124 A1 US 20060055124A1 US 50787105 A US50787105 A US 50787105A US 2006055124 A1 US2006055124 A1 US 2006055124A1
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- US
- United States
- Prior art keywords
- sealing element
- seal part
- sealing
- fraction
- shaped
- 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.)
- Abandoned
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Classifications
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- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/021—Sealings between relatively-stationary surfaces with elastic packing
- F16J15/022—Sealings between relatively-stationary surfaces with elastic packing characterised by structure or material
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- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/021—Sealings between relatively-stationary surfaces with elastic packing
- F16J15/022—Sealings between relatively-stationary surfaces with elastic packing characterised by structure or material
- F16J15/024—Sealings between relatively-stationary surfaces with elastic packing characterised by structure or material the packing being locally weakened in order to increase elasticity
- F16J15/025—Sealings between relatively-stationary surfaces with elastic packing characterised by structure or material the packing being locally weakened in order to increase elasticity and with at least one flexible lip
Definitions
- the invention relates to a sealing element for sealing off component groups capable of being positioned in relation to one another, in particular for use in the vehicle and building technology sector, the sealing element including a first seal part performing a sealing function and a second seal part.
- sealing elements are known from the prior art.
- sealing elements which consist only of a soft material, and in the case of an open profile configuration which can be produced without further additional measures, tend under loads, especially transverse to the seal position, to experience distortions of the profile of the sealing element, thus leading to a leak and possibly to operational failure.
- sealing elements having a compound construction are also known from the prior art.
- DE 696 04 094 T2 discloses a sealing profile and a method for producing it, said sealing profile being produced by means of extrusion and having a reinforcement composed of thermoplastic and also a coating composed of elastomer, the reinforcement consisting of fiber-filled thermoplastic and being completely covered by at least one film or thin layer of non-fiber-filled thermoplastic to which the coating composed of elastomer adheres.
- the object on which the invention is based is, while preserving the advantages existing hitherto, to improve or develop further the known sealing elements to the effect that a sealing-off construction is made available, in which the sealing function is afforded in full and in which there is stabilization against deformation loads which may lead to functional restrictions or to operational failure.
- a cost-effective and visually pleasing design capable of being produced simply in a reproducible quality is at the same time to be implemented.
- a sealing element is of an essentially annular design and has an essentially arcuately designed first seal part directed inward in the operating position, with a soft fraction, and an essentially frame-shaped second seal part arranged at the inwardly projecting end of the first seal part, with a hard fraction.
- the load acting transversely to the sealing direction is in this case absorbed by the essentially frame-shaped second seal part with a hard fraction, in such a way that a regional distortion of the sealing element can no longer take place, a sealing deformation of the soft fraction in the sealing direction continuing to be present in a functionally appropriate way, and, moreover, a uniform sealing bearing contact being assisted by this construction, since a regional profile collapse is prevented by the supporting action of the frame-shaped seal part with a hard fraction.
- the sealing element according to the invention can have a visually pleasing design and affords increased freedom of configuration.
- the second seal part with a hard fraction is designed as a peripheral reinforcement. This design is especially advantageous in structural terms.
- the second seal part with a hard fraction is designed as a part element integrally formed by injection molding. This design is advantageous in manufacturing terms.
- the essentially annularly designed sealing element be designed as a closed ring. This is an embodiment which is advantageous for achieving good sealing off.
- the essentially frame-shaped second seal part of the sealing element is not arranged in direct range of vision. In this case, there is no need for the provision of additional visually effective means for improving the external appearance.
- the essentially frame-shaped second seal part of the sealing element is arranged in direct range of vision.
- the essentially frame-shaped second seal part of the sealing element be designed with the same color as the first seal part.
- this essentially frame-shaped second seal part of the sealing element has an injection overmolding.
- FIG. 1 shows a vertical section through the sealing element according to the invention for an air outlet seal of a door trim on the B-column of a vehicle.
- a sealing element 10 serves for sealing off component groups capable of being positioned in relation to one another, in particular for use in the vehicle and building technology sector.
- the sealing element 10 comprises a first seal part, designated by 11 , performing a sealing function and having a soft fraction and a second seal part, designated by 12 , performing a reinforcing function and having a hard fraction.
- FIG. 1 of the drawing illustrates the sealing element 10 according to the invention with the first seal part 11 and with the second seal part 12 , the sealing element 10 being used here between two component groups merely indicated and not designated.
- broken lines illustrate a profile distortion, designated by 14 , of the first seal part 11 , with a soft fraction, of a sealing element 10 , as is known from the prior art.
- the sealing element 10 is of essentially annular design, and it has an essentially arcuately designed first seal part 11 directed inward in the operating position, with a soft fraction, and an essentially frame-shaped second seal part 12 arranged at the inwardly projecting end of the first seal part 11 , with a hard fraction.
- the second seal part 12 with a hard fraction is designed as a peripheral reinforcement 13 .
- This second seal part 12 with a hard fraction may in this case preferably be designed as a part element integrally formed by injection molding.
- the essentially annularly designed sealing element 10 is designed as a closed ring.
- this closed ring is provided, for example, for use on an air outlet seal of a door trim on the B-column of a vehicle.
- the air from the instrument panel region can be conducted into the door and, via an air duct, into the B-column and from there into the back space.
- the transitions of the components are to be sealed off against the outlet of air, and roses with seals can be used in the door trim.
- the closing direction of the doors is transverse to the seal routing.
- the solution possibility illustrated is a seal which is produced in one part in a process sequence as a 2-component injection molding with a soft fraction for the seal itself and with a peripheral frame-shaped hard fraction which is firmly tied to the open geometrical end of the soft fraction.
- the sealing element 10 according to the invention can be used between two component groups, and, during the assembly of the component groups, even a load acting transversely to the seal position, see the arrow A in FIG. 1 , can be compensated; in the sealing element 10 according to the invention, this takes place in that the hard fraction of the second seal part 12 stabilizes the geometry of the soft fraction of the first seal part 11 and acting transverse forces can be absorbed, with the result that possible profile distortion is prevented.
- the sealing function itself in this case continues to take place by means of sealing bearing contact via the soft fraction.
- the load according to the arrow A which acts transversely to the sealing direction is absorbed in such a way that a regional distortion of the sealing element 10 can no longer take place, a sealing deformation of the soft fraction in the sealing direction continuing to be present in a functionally appropriate way, and, moreover, uniform sealing bearing contact being assisted by this construction, since a regional profile collapse is prevented by the supporting action of the frame-shaped seal part 12 with a hard fraction.
- the sealing element 10 according to the invention can have visually pleasing design and affords increased freedom of configuration.
- the essentially frame-shaped second seal part 12 of the sealing element 10 cannot be arranged in direct range of vision.
- the essentially frame-shaped second seal part 12 of the sealing element 10 may be arranged in direct range of vision.
- the essentially frame-shaped second seal part 12 in particular together with the first seal part 11 , may have an injection overmolding, not designated in any more detail here. In this case, however, a somewhat increased outlay in die terms is required during manufacture.
- the essentially frame-shaped second seal part 12 of the sealing element 10 is designed with the same color as the first seal part 11 .
- the sealing element 10 according to the invention can be used for all seals, such as, for example, air routing seals with a support requirement, for example on vehicle parts.
- the sealing element 10 according to the invention can be used for all seals, such as, for example, air routing seals with a support requirement, for example on vehicle parts.
Abstract
The invention relates to a sealing element for sealing off component groups capable of being positioned in relation to one another, for use, in particular, in the vehicle and building technology sector, the sealing element has a first seal part 11 performing a sealing function and having a soft fraction and a second seal part 12 performing a reinforcing function and having a hard fraction. The sealing element is essentially an annular design and has an essentially arcuately designed first seal part directed inward in the operating position, with a soft fraction, and an essentially frame-shaped second seal part arranged at the inwardly projecting end of the first seal part, with a hard fraction.
Description
- The present application incorporates by reference and claims priority to the following application: German Patent Application Serial Number 102 11 684.9, filed Mar. 15, 2002, and International Patent Application Serial Number PCT/EP03/02693, filed Mar. 14, 2003.
- The invention relates to a sealing element for sealing off component groups capable of being positioned in relation to one another, in particular for use in the vehicle and building technology sector, the sealing element including a first seal part performing a sealing function and a second seal part.
- Various sealing elements are known from the prior art. In this context, on the one hand, sealing elements are known which consist only of a soft material, and in the case of an open profile configuration which can be produced without further additional measures, tend under loads, especially transverse to the seal position, to experience distortions of the profile of the sealing element, thus leading to a leak and possibly to operational failure. Furthermore, sealing elements having a compound construction are also known from the prior art. Thus, for example, DE 696 04 094 T2 discloses a sealing profile and a method for producing it, said sealing profile being produced by means of extrusion and having a reinforcement composed of thermoplastic and also a coating composed of elastomer, the reinforcement consisting of fiber-filled thermoplastic and being completely covered by at least one film or thin layer of non-fiber-filled thermoplastic to which the coating composed of elastomer adheres. Although an arrangement of this type satisfies demands as regards the requirements relating to the operational properties, the construction is nevertheless highly complicated here, and production is therefore likewise complicated and cost-intensive.
- Proceeding from the known embodiments of sealing elements, the object on which the invention is based is, while preserving the advantages existing hitherto, to improve or develop further the known sealing elements to the effect that a sealing-off construction is made available, in which the sealing function is afforded in full and in which there is stabilization against deformation loads which may lead to functional restrictions or to operational failure. A cost-effective and visually pleasing design capable of being produced simply in a reproducible quality is at the same time to be implemented.
- According to one embodiment of the invention, a sealing element is of an essentially annular design and has an essentially arcuately designed first seal part directed inward in the operating position, with a soft fraction, and an essentially frame-shaped second seal part arranged at the inwardly projecting end of the first seal part, with a hard fraction. This affords the possibility, by simple means, of using a sealing element of simple construction between two component groups, and in this case, during the assembly of the component groups, even a load acting transversely to the seal position can be compensated; in the sealing element according to the invention, this takes place in that the hard fraction of the second seal part stabilizes the geometry of the soft fraction of the first seal part and acting transverse forces can be absorbed, with the result that a possible profile distortion is prevented. The sealing function itself in this case continues to be carried out by sealing bearing contact via the soft fraction.
- In the sealing element according to the invention, the load acting transversely to the sealing direction is in this case absorbed by the essentially frame-shaped second seal part with a hard fraction, in such a way that a regional distortion of the sealing element can no longer take place, a sealing deformation of the soft fraction in the sealing direction continuing to be present in a functionally appropriate way, and, moreover, a uniform sealing bearing contact being assisted by this construction, since a regional profile collapse is prevented by the supporting action of the frame-shaped seal part with a hard fraction. This results, overall, in a sealing element which no longer permits any profile distortion and thereby increases operating reliability, which gives rise to an action supporting the entire soft profile in the sealing direction and thereby contributes to quality optimization, and which can be produced cost-effectively in a process sequence. Moreover, the sealing element according to the invention can have a visually pleasing design and affords increased freedom of configuration.
- In the preferred embodiment of the sealing element according to the invention, the second seal part with a hard fraction is designed as a peripheral reinforcement. This design is especially advantageous in structural terms.
- According to a further feature of the present invention, the second seal part with a hard fraction is designed as a part element integrally formed by injection molding. This design is advantageous in manufacturing terms.
- It is recommended, according to a further feature of the present invention, that the essentially annularly designed sealing element be designed as a closed ring. This is an embodiment which is advantageous for achieving good sealing off.
- It is expedient, according to a further feature, that the essentially frame-shaped second seal part of the sealing element is not arranged in direct range of vision. In this case, there is no need for the provision of additional visually effective means for improving the external appearance.
- In an alternative embodiment, the essentially frame-shaped second seal part of the sealing element is arranged in direct range of vision.
- It is recommended, furthermore, that the essentially frame-shaped second seal part of the sealing element be designed with the same color as the first seal part.
- According to a final feature of the present invention, should the essentially frame-shaped second seal part of the sealing element be arranged in direct range of vision, this essentially frame-shaped second seal part, in particular together with the first seal part, has an injection overmolding.
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FIG. 1 shows a vertical section through the sealing element according to the invention for an air outlet seal of a door trim on the B-column of a vehicle. - A
sealing element 10 serves for sealing off component groups capable of being positioned in relation to one another, in particular for use in the vehicle and building technology sector. Thesealing element 10 comprises a first seal part, designated by 11, performing a sealing function and having a soft fraction and a second seal part, designated by 12, performing a reinforcing function and having a hard fraction. In this respect,FIG. 1 of the drawing illustrates thesealing element 10 according to the invention with thefirst seal part 11 and with thesecond seal part 12, thesealing element 10 being used here between two component groups merely indicated and not designated. In this case, broken lines illustrate a profile distortion, designated by 14, of thefirst seal part 11, with a soft fraction, of asealing element 10, as is known from the prior art. - The
sealing element 10 is of essentially annular design, and it has an essentially arcuately designedfirst seal part 11 directed inward in the operating position, with a soft fraction, and an essentially frame-shapedsecond seal part 12 arranged at the inwardly projecting end of thefirst seal part 11, with a hard fraction. In this case, thesecond seal part 12 with a hard fraction is designed as aperipheral reinforcement 13. Thissecond seal part 12 with a hard fraction may in this case preferably be designed as a part element integrally formed by injection molding. - In the exemplary embodiment illustrated, the essentially annularly designed
sealing element 10 is designed as a closed ring. In this version, this closed ring is provided, for example, for use on an air outlet seal of a door trim on the B-column of a vehicle. In this case, with a separate ventilation of the back region of a vehicle, the air from the instrument panel region can be conducted into the door and, via an air duct, into the B-column and from there into the back space. In this case, the transitions of the components are to be sealed off against the outlet of air, and roses with seals can be used in the door trim. Particularly in the rear door region, it may be possible, owing to the vehicle structure, that the closing direction of the doors is transverse to the seal routing. Thus, at the soft seal, transverse forces arise which may lead to profile-distorting loads. The solution possibility illustrated is a seal which is produced in one part in a process sequence as a 2-component injection molding with a soft fraction for the seal itself and with a peripheral frame-shaped hard fraction which is firmly tied to the open geometrical end of the soft fraction. - The
sealing element 10 according to the invention can be used between two component groups, and, during the assembly of the component groups, even a load acting transversely to the seal position, see the arrow A inFIG. 1 , can be compensated; in thesealing element 10 according to the invention, this takes place in that the hard fraction of thesecond seal part 12 stabilizes the geometry of the soft fraction of thefirst seal part 11 and acting transverse forces can be absorbed, with the result that possible profile distortion is prevented. The sealing function itself in this case continues to take place by means of sealing bearing contact via the soft fraction. - Thus, in the sealing
element 10 according to the invention, by means of the essentially frame-shapedsecond seal part 12 with a hard fraction, the load according to the arrow A which acts transversely to the sealing direction is absorbed in such a way that a regional distortion of the sealingelement 10 can no longer take place, a sealing deformation of the soft fraction in the sealing direction continuing to be present in a functionally appropriate way, and, moreover, uniform sealing bearing contact being assisted by this construction, since a regional profile collapse is prevented by the supporting action of the frame-shaped seal part 12 with a hard fraction. This results, overall, in asealing element 10 which no longer permits any profile distortion and thereby increases operating reliability, which gives rise to the action of supporting the entire soft profile in the sealing direction and thereby contributes to quality optimization, and which can be produced cost-effectively in a process sequence. - Moreover, the sealing
element 10 according to the invention can have visually pleasing design and affords increased freedom of configuration. Thus, in a preferred embodiment, the essentially frame-shapedsecond seal part 12 of the sealingelement 10 cannot be arranged in direct range of vision. In another embodiment, the essentially frame-shapedsecond seal part 12 of thesealing element 10 may be arranged in direct range of vision. In this case, the essentially frame-shapedsecond seal part 12, in particular together with thefirst seal part 11, may have an injection overmolding, not designated in any more detail here. In this case, however, a somewhat increased outlay in die terms is required during manufacture. Moreover, it is also possible that the essentially frame-shapedsecond seal part 12 of thesealing element 10 is designed with the same color as thefirst seal part 11. - Different possibilities of use, particularly in the vehicle and building technology sector, arise for the sealing
element 10 according to the invention. Thus, for example, thesealing element 10 according to the invention can be used for all seals, such as, for example, air routing seals with a support requirement, for example on vehicle parts. There is provision, furthermore, for use also for bearing edge optimization from a soft component to a reception component. - As already mentioned, the embodiments illustrated are merely exemplary implementations of the invention which is not restricted to these, but, on the contrary, many different changes and designs are also possible. Thus, in particular, modifications with regard to the structural configuration of the
sealing element 10 or of itsfirst seal part 11 with a soft fraction and/or of itssecond seal part 12 with a hard fraction may be envisaged. Furthermore, of course, uses in component groups other than those illustrated in the figure of the drawing are provided.
Claims (8)
1. A sealing element for sealing off component groups capable of being positioned in relation to one another, the sealing element comprising a first seal part performing a sealing function and having a soft fraction and a second seal part performing a reinforcing function and having a hard fraction, wherein the sealing element has an annular design having an arcuately designed first seal part directed inward in the operating position, with a soft fraction, and a frame-shaped second seal part arranged at the inwardly projecting end of the first seal part and having a hard fraction.
2. The sealing element as claimed in claim 1 , wherein the second seal part has a hard fraction and is positioned as a peripheral reinforcement.
3. The sealing element as claimed in claim 1 , wherein the second seal part has a hard fraction and is integrally formed by injection molding.
4. The sealing element as claimed in claim 1 , wherein the essentially annularly designed sealing element is a closed ring.
5. The sealing element as claimed in claim 1 , wherein the frame-shaped second seal part of the sealing element is not visible
6. The sealing element as claimed in claim 1 , wherein the frame-shaped second seal part of the sealing element is visible.
7. The sealing element as claimed in claim 1 , wherein the frame-shaped second seal part of the sealing element is designed with the same color as the first seal part.
8. The sealing element as claimed in claim 6 , wherein the frame-shaped second seal part of the sealing element, further comprises an injection overmolding.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US12/498,723 US8657300B2 (en) | 2002-03-15 | 2009-07-07 | Sealing element |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE10211684.9 | 2002-03-15 | ||
DE10211684A DE10211684A1 (en) | 2002-03-15 | 2002-03-15 | sealing element |
PCT/EP2003/002693 WO2003078872A1 (en) | 2002-03-15 | 2003-03-14 | Sealing element |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US12/498,723 Continuation US8657300B2 (en) | 2002-03-15 | 2009-07-07 | Sealing element |
Publications (1)
Publication Number | Publication Date |
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US20060055124A1 true US20060055124A1 (en) | 2006-03-16 |
Family
ID=27815698
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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US10/507,871 Abandoned US20060055124A1 (en) | 2002-03-15 | 2003-03-14 | Sealing element |
US12/498,723 Expired - Fee Related US8657300B2 (en) | 2002-03-15 | 2009-07-07 | Sealing element |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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US12/498,723 Expired - Fee Related US8657300B2 (en) | 2002-03-15 | 2009-07-07 | Sealing element |
Country Status (5)
Country | Link |
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US (2) | US20060055124A1 (en) |
EP (1) | EP1488142B1 (en) |
AT (1) | ATE514023T1 (en) |
DE (1) | DE10211684A1 (en) |
WO (1) | WO2003078872A1 (en) |
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US20120174364A1 (en) * | 2010-04-23 | 2012-07-12 | Grohmann Engineering Gmbh | Mounting Rail for Mounting and Positioning a Seal |
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DE102013107601B4 (en) * | 2013-07-17 | 2022-08-11 | Hanon Systems | bulkhead seal assembly |
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FR2890029B1 (en) * | 2005-08-31 | 2007-11-30 | Faurecia Interieur Ind Snc | AERAULIC TRAVERSE FOR MOTOR VEHICLE |
DE102005056891B3 (en) * | 2005-11-28 | 2007-05-31 | Faurecia Innenraum Systeme Gmbh | Air ducts connecting device for use in motor vehicle, has connecting unit for transition of air flow between ducts, where different notch positions are selected for connecting unit relative to one of ducts and are defined by fastening unit |
US7641271B1 (en) * | 2008-07-03 | 2010-01-05 | Nissan Technical Center North America, Inc. | Vehicle body pass-through structure |
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2002
- 2002-03-15 DE DE10211684A patent/DE10211684A1/en not_active Withdrawn
-
2003
- 2003-03-14 AT AT03744363T patent/ATE514023T1/en active
- 2003-03-14 US US10/507,871 patent/US20060055124A1/en not_active Abandoned
- 2003-03-14 EP EP03744363A patent/EP1488142B1/en not_active Expired - Lifetime
- 2003-03-14 WO PCT/EP2003/002693 patent/WO2003078872A1/en not_active Application Discontinuation
-
2009
- 2009-07-07 US US12/498,723 patent/US8657300B2/en not_active Expired - Fee Related
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Cited By (2)
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US20120174364A1 (en) * | 2010-04-23 | 2012-07-12 | Grohmann Engineering Gmbh | Mounting Rail for Mounting and Positioning a Seal |
US8806730B2 (en) * | 2010-04-23 | 2014-08-19 | Grohmann Engineering Gmbh | Mounting rail for mounting and positioning a seal |
Also Published As
Publication number | Publication date |
---|---|
EP1488142B1 (en) | 2011-06-22 |
US8657300B2 (en) | 2014-02-25 |
EP1488142A1 (en) | 2004-12-22 |
US20090265998A1 (en) | 2009-10-29 |
ATE514023T1 (en) | 2011-07-15 |
WO2003078872A1 (en) | 2003-09-25 |
DE10211684A1 (en) | 2003-10-16 |
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Legal Events
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AS | Assignment |
Owner name: JOHNSON CONTROLS GMBH, GERMANY Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:WOLFF, MARTIN;BUDDE, BIRGIT;REEL/FRAME:016430/0669;SIGNING DATES FROM 20040810 TO 20040811 |
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STCB | Information on status: application discontinuation |
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