CA2777143A1 - Support frame - Google Patents
Support frame Download PDFInfo
- Publication number
- CA2777143A1 CA2777143A1 CA2777143A CA2777143A CA2777143A1 CA 2777143 A1 CA2777143 A1 CA 2777143A1 CA 2777143 A CA2777143 A CA 2777143A CA 2777143 A CA2777143 A CA 2777143A CA 2777143 A1 CA2777143 A1 CA 2777143A1
- Authority
- CA
- Canada
- Prior art keywords
- support frame
- elements
- tube
- node
- frame according
- 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
Links
- 239000000463 material Substances 0.000 claims abstract description 8
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims abstract description 5
- 239000011151 fibre-reinforced plastic Substances 0.000 claims abstract description 5
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000004918 carbon fiber reinforced polymer Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
- F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
- F16B11/008—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing of tubular elements or rods in coaxial engagement
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/04—Clamping or clipping connections
- F16B7/044—Clamping or clipping connections for rods or tubes being in angled relationship
- F16B7/048—Clamping or clipping connections for rods or tubes being in angled relationship for rods or for tubes without using the innerside thereof
- F16B7/0486—Clamping or clipping connections for rods or tubes being in angled relationship for rods or for tubes without using the innerside thereof forming an abutting connection of at least one tube
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
A support frame has tube elements (1) that are connected to one another by node elements (2). Both the tube elements (1) and the node elements (2) are formed from fiber-reinforced plastic. The tube elements (1) are connected to the node elements (2) by material bonding.
Description
SUPPORT FRAME
The invention relates to a support frame according to the preamble of Patent Claim 1.
A support frame of the type mentioned at the beginning is known according to 638 B1. It consists of tube elements, which are implemented as connected to one another via node elements, both the tube elements and also the node elements being formed from fiber-reinforced plastic. The node elements are implemented in this design as clamping shells which can be screwed together.
A support frame of this type is used (as described in EP 1 607 638 B1), for example, in automobile construction for accommodating clamping devices or the like, using which sheet metal parts are held together during the welding procedure. Because such a support frame is fastened on a robot arm and is moved therewith or thereby, its mass is to be as low as possible with corresponding stiffness.
For the sake of completeness, reference is also made in this context to the more remote solution according to WO 2010/126405 Al.
The invention is based on the problem of improving a support frame of the type mentioned at the beginning. In particular, a support frame is to be provided which is even lighter and even more reliable.
This problem is solved with a support frame of the type mentioned at the beginning by the features listed in the characterizing part of Patent Claim 1.
According to the invention, it is thus provided that the tube elements are implemented as connected to the node elements by material bonding.
In other words, in the support frame design according to the invention, the tube and node elements are no longer screwed together, but rather glued. This measure, which appears absurd per se, has the advantage that, on the one hand, screws for connecting the tube and node elements can be dispensed with and, on the other hand, decreasing clamping forces, as are to be observed again and again, may be reliably prevented by the gluing. In addition, in the support frame according to the invention, as will be explained in greater detail, the tube and node elements may be arranged in one plane, which eases or improves the later equipping of the support frame with clamping devices and the like.
The measure that the tube elements are connected to the node elements by material bonding comprises the option explained hereafter that both parts are glued to one another via a so-called alternately internal or also external connector element.
Other advantageous refinements result from the dependent patent claims.
The support frame according to the invention, including its advantageous refinements according to the dependent patent claims, will be explained in greater detail hereafter on the illustration in the drawing of a preferred exemplary embodiment.
In the figures:
Figure 1 shows a perspective view of the support frame according to the invention made of eight tube elements, nine node elements, and eighteen connector elements;
Figure 2 shows a perspective exploded view of an example of a tube-tube connection having connector element for the support frame according to the invention;
Figure 3 shows a perspective view of a node element for a free end of a tube element;
Figure 4 shows a perspective exploded view of a node element for the angled connection of two tube elements;
Figure 5 shows a perspective view of a node element for connecting three tube elements;
Figure 6 shows a perspective exploded view of a node element for connecting four tube elements;
Figure 7 shows a perspective exploded view in partial section of a preferred embodiment of an attachment area on a node element; and Figure 8 shows a perspective view in section of the installed attachment area according to Figure 7.
The support frame shown in Figure 1 for accommodating clamping devices and the like consists in a known manner of tube elements 1, which are circular in cross-section (other cross-sections also coming into consideration, of course), which are implemented as connected to one another via node elements 2. Both the tube elements 1 and also the node elements 2 are alternately formed from glass-fiber-reinforced or carbon-fiber-reinforced plastic. The node elements 2 are each formed from shells 2.1, 2.2, in particular structurally identical half shells.
It is essential for the support frame according to the invention that the tube elements 1 are implemented as connected to the node elements 2 by material bonding, in particular gluing. In addition, it is particularly preferably provided that the shells 2.1, 2.2 are implemented as connected to one another by material bonding.
As explained at the beginning, this measure does have the result that a support frame which has been glued together once can only be used thereafter for the correspondingly provided application purpose, but this disadvantage is more than compensated for by the fact that the support frame according to the invention is very light, but is simultaneously also permanently very stable. In addition, dispensing with the above-mentioned clamping shells has the result that all tube elements 1 may be arranged lying in a plane, which is in turn favorable for the compactness of the support frame (see Figure 1).
As is obvious from Figures 3 to 6, it is also preferably provided that the node element 2 is alternately arranged on a free end of the tube element 1 (see Figure 3) or is implemented to connect at least two tube elements 1 (see Figures 4 to 6). The tube elements 1 are preferably and alternately arranged in longitudinal extension to one another or at a right angle to one another. Alternatively (not shown) non-parallel or non-perpendicular arrangements also come into consideration if needed, however.
Furthermore, it is preferably provided according to the invention that a connector element 10, which is also formed from fiber-reinforced plastic, is alternately arranged between a tube element 1 and a node element 2, between two tube elements 1, or between two node elements 2. Both the tube element 1 and also the node element are glued to the connector element 10.
Furthermore, for connecting the tube elements 1 to the node elements 2, etc., it is provided that the shells 2.1, 2.2 each alternately have at least one receptacle area 3 adapted to the tube element 1 (not shown) or to the connector element 10 (shown). This receptacle area 3, which encloses the tube element 1 or the connector element 10, which is preferably implemented as cylindrical or cylinder-like and longitudinally slotted, with a precise fit, forms an application surface for the adhesive on the tube element 1 side or the connector element side.
As shown in Figures 1 and 2 (only shown indicated by shading in Figure 1), the glued-in connector element 10, which has a smaller diameter than the tube element 1, forms the connection between two parts (namely the tube element 1 and the node element 2) in this preferred embodiment; for this purpose, it is connected by material bonding or glued in each case to two parts. In addition, the shells 2.1, 2.2 are provided with mutually touching contact surface areas 9 for the application of adhesive. The design of the support frame is reinforced further by this additional adhesive surface.
Furthermore, multiple attachment areas 4 for a tool, a clamping device, or the like are provided on the node element 2: Figure 3 shows a node element having three attachment areas 4, Figures 4 to 6 show node elements each having two attachment areas 4, at least one passage opening 5 for a connection element 6 additionally preferably being provided on each attachment area 4. This connection element 6 is particularly preferably implemented as a screw with reference to Figures 7 and 8, in the illustrated exemplary embodiments, a total of six passage openings 5 for such connection elements 6 being provided in each case.
Because the attachment area 4 is implemented as part of the node element 2, it consists of fiber-reinforced plastic like the node element. In order to improve the stability of this attachment area 4, which is loaded by a tool or the like, at least one flange element 7 is arranged on the attachment area 4. This flange element 7 consists of a metallic material (aluminum, stainless steel, or the like), as shown in Figures 7 and 8, flange elements 7 (inner and outer flanges) particularly preferably being provided on both sides of the attachment area 4, which are preferably implemented as connected to one another via at least one connection element 6. The attachment area 4 is implemented as a level attachment surface and the flange element 7 is implemented as lying flat on the attachment surface. For fastening the tool or the like, connection elements 8, in particular (see Figure 7) threaded holes 8, are arranged on the flange element 7, the flange element 7 (specifically both the inner flange and also the outer flange) particularly preferably being implemented as a planar circular ring.
The invention relates to a support frame according to the preamble of Patent Claim 1.
A support frame of the type mentioned at the beginning is known according to 638 B1. It consists of tube elements, which are implemented as connected to one another via node elements, both the tube elements and also the node elements being formed from fiber-reinforced plastic. The node elements are implemented in this design as clamping shells which can be screwed together.
A support frame of this type is used (as described in EP 1 607 638 B1), for example, in automobile construction for accommodating clamping devices or the like, using which sheet metal parts are held together during the welding procedure. Because such a support frame is fastened on a robot arm and is moved therewith or thereby, its mass is to be as low as possible with corresponding stiffness.
For the sake of completeness, reference is also made in this context to the more remote solution according to WO 2010/126405 Al.
The invention is based on the problem of improving a support frame of the type mentioned at the beginning. In particular, a support frame is to be provided which is even lighter and even more reliable.
This problem is solved with a support frame of the type mentioned at the beginning by the features listed in the characterizing part of Patent Claim 1.
According to the invention, it is thus provided that the tube elements are implemented as connected to the node elements by material bonding.
In other words, in the support frame design according to the invention, the tube and node elements are no longer screwed together, but rather glued. This measure, which appears absurd per se, has the advantage that, on the one hand, screws for connecting the tube and node elements can be dispensed with and, on the other hand, decreasing clamping forces, as are to be observed again and again, may be reliably prevented by the gluing. In addition, in the support frame according to the invention, as will be explained in greater detail, the tube and node elements may be arranged in one plane, which eases or improves the later equipping of the support frame with clamping devices and the like.
The measure that the tube elements are connected to the node elements by material bonding comprises the option explained hereafter that both parts are glued to one another via a so-called alternately internal or also external connector element.
Other advantageous refinements result from the dependent patent claims.
The support frame according to the invention, including its advantageous refinements according to the dependent patent claims, will be explained in greater detail hereafter on the illustration in the drawing of a preferred exemplary embodiment.
In the figures:
Figure 1 shows a perspective view of the support frame according to the invention made of eight tube elements, nine node elements, and eighteen connector elements;
Figure 2 shows a perspective exploded view of an example of a tube-tube connection having connector element for the support frame according to the invention;
Figure 3 shows a perspective view of a node element for a free end of a tube element;
Figure 4 shows a perspective exploded view of a node element for the angled connection of two tube elements;
Figure 5 shows a perspective view of a node element for connecting three tube elements;
Figure 6 shows a perspective exploded view of a node element for connecting four tube elements;
Figure 7 shows a perspective exploded view in partial section of a preferred embodiment of an attachment area on a node element; and Figure 8 shows a perspective view in section of the installed attachment area according to Figure 7.
The support frame shown in Figure 1 for accommodating clamping devices and the like consists in a known manner of tube elements 1, which are circular in cross-section (other cross-sections also coming into consideration, of course), which are implemented as connected to one another via node elements 2. Both the tube elements 1 and also the node elements 2 are alternately formed from glass-fiber-reinforced or carbon-fiber-reinforced plastic. The node elements 2 are each formed from shells 2.1, 2.2, in particular structurally identical half shells.
It is essential for the support frame according to the invention that the tube elements 1 are implemented as connected to the node elements 2 by material bonding, in particular gluing. In addition, it is particularly preferably provided that the shells 2.1, 2.2 are implemented as connected to one another by material bonding.
As explained at the beginning, this measure does have the result that a support frame which has been glued together once can only be used thereafter for the correspondingly provided application purpose, but this disadvantage is more than compensated for by the fact that the support frame according to the invention is very light, but is simultaneously also permanently very stable. In addition, dispensing with the above-mentioned clamping shells has the result that all tube elements 1 may be arranged lying in a plane, which is in turn favorable for the compactness of the support frame (see Figure 1).
As is obvious from Figures 3 to 6, it is also preferably provided that the node element 2 is alternately arranged on a free end of the tube element 1 (see Figure 3) or is implemented to connect at least two tube elements 1 (see Figures 4 to 6). The tube elements 1 are preferably and alternately arranged in longitudinal extension to one another or at a right angle to one another. Alternatively (not shown) non-parallel or non-perpendicular arrangements also come into consideration if needed, however.
Furthermore, it is preferably provided according to the invention that a connector element 10, which is also formed from fiber-reinforced plastic, is alternately arranged between a tube element 1 and a node element 2, between two tube elements 1, or between two node elements 2. Both the tube element 1 and also the node element are glued to the connector element 10.
Furthermore, for connecting the tube elements 1 to the node elements 2, etc., it is provided that the shells 2.1, 2.2 each alternately have at least one receptacle area 3 adapted to the tube element 1 (not shown) or to the connector element 10 (shown). This receptacle area 3, which encloses the tube element 1 or the connector element 10, which is preferably implemented as cylindrical or cylinder-like and longitudinally slotted, with a precise fit, forms an application surface for the adhesive on the tube element 1 side or the connector element side.
As shown in Figures 1 and 2 (only shown indicated by shading in Figure 1), the glued-in connector element 10, which has a smaller diameter than the tube element 1, forms the connection between two parts (namely the tube element 1 and the node element 2) in this preferred embodiment; for this purpose, it is connected by material bonding or glued in each case to two parts. In addition, the shells 2.1, 2.2 are provided with mutually touching contact surface areas 9 for the application of adhesive. The design of the support frame is reinforced further by this additional adhesive surface.
Furthermore, multiple attachment areas 4 for a tool, a clamping device, or the like are provided on the node element 2: Figure 3 shows a node element having three attachment areas 4, Figures 4 to 6 show node elements each having two attachment areas 4, at least one passage opening 5 for a connection element 6 additionally preferably being provided on each attachment area 4. This connection element 6 is particularly preferably implemented as a screw with reference to Figures 7 and 8, in the illustrated exemplary embodiments, a total of six passage openings 5 for such connection elements 6 being provided in each case.
Because the attachment area 4 is implemented as part of the node element 2, it consists of fiber-reinforced plastic like the node element. In order to improve the stability of this attachment area 4, which is loaded by a tool or the like, at least one flange element 7 is arranged on the attachment area 4. This flange element 7 consists of a metallic material (aluminum, stainless steel, or the like), as shown in Figures 7 and 8, flange elements 7 (inner and outer flanges) particularly preferably being provided on both sides of the attachment area 4, which are preferably implemented as connected to one another via at least one connection element 6. The attachment area 4 is implemented as a level attachment surface and the flange element 7 is implemented as lying flat on the attachment surface. For fastening the tool or the like, connection elements 8, in particular (see Figure 7) threaded holes 8, are arranged on the flange element 7, the flange element 7 (specifically both the inner flange and also the outer flange) particularly preferably being implemented as a planar circular ring.
List of reference numerals 1 tube element 2 node element 2.1 shell 2.2 shell 3 receptacle area 4 attachment area 5 passage hole 6 connection element 7 flange element 8 connection element 9 contact surface area 10 connector element
Claims (12)
1. Support frame, comprising tube elements (1), which are implemented as connected to one another via node elements (2), both the tube elements (1) and also the node elements (2) being formed from fiber-reinforced plastic, characterized in that the tube elements (1) are implemented as connected to the node elements (2) by material bonding.
2. Support frame according to Claim 1, characterized in that the node elements (2) are formed from shells (2.1, 2.2).
3. Support frame according to Claim 2, characterized in that the shells (2.1, 2.2) are implemented as connected to one another by material bonding.
4. Support frame according to one of Claims 1 to 3, characterized in that a connector element (10) is alternately arranged between one tube element (1) and one node element (2), between two tube elements (1), or between two node elements (2).
5. Support frame according to one of Claims 1 to 4, characterized in that the node element (2) is alternately arranged on a free end of the tube element (1) or is implemented to connect at least two tube elements (1).
6. Support frame according to one of Claims 1 to 5, characterized in that the shells (2.1, 2.2) each have at least one receptacle area (3), alternately adapted to the tube element (1) or to the connector element (10).
7. Support frame according to one of Claims 1 to 6, characterized in that at least one attachment area (4) for a tool is provided on the node element (2).
8. Support frame according to Claim 7, characterized in that at least one passage opening (5) for a connection element (6) is provided on the attachment area (4).
9. Support frame according to Claim 7 or 8, characterized in that at least one flange element (7) is arranged on the attachment area (4).
10. Support frame according to Claim 9, characterized in that flange elements (7) are provided on both sides of the attachment area (4), which are preferably implemented as connected to one another via at least one connection element (6).
11. Support frame according to one of Claims 7 to 10, characterized in that the attachment area (4) is implemented as a level attachment surface, the flange element (7) preferably being implemented as lying flat on the attachment surface.
12. Support frame according to one of Claims 9 to 11, characterized in that at least one connection element (8), preferably a threaded hole, for fastening a tool is arranged on the flange element (7).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011101454A DE102011101454A1 (en) | 2011-05-12 | 2011-05-12 | supporting frame |
| DE102011101454.7 | 2011-05-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2777143A1 true CA2777143A1 (en) | 2012-11-12 |
Family
ID=46177269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2777143A Abandoned CA2777143A1 (en) | 2011-05-12 | 2012-05-14 | Support frame |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20120285918A1 (en) |
| EP (1) | EP2522861A1 (en) |
| CN (1) | CN102777456A (en) |
| CA (1) | CA2777143A1 (en) |
| DE (1) | DE102011101454A1 (en) |
| MX (1) | MX2012005490A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011105715A1 (en) | 2011-06-23 | 2012-12-27 | De-Sta-Co Europe Gmbh | joint assembly |
| CN107564496A (en) * | 2016-06-30 | 2018-01-09 | 得理电子(上海)有限公司 | A kind of drum |
| US10611415B2 (en) * | 2017-11-03 | 2020-04-07 | Radius Outfitters INC. | Detachable, modular vehicle conversion systems and methods thereof |
| CN114905194B (en) * | 2022-04-27 | 2023-07-28 | 江苏恒义工业技术有限公司 | Welding jig is assembled to high box frame |
| US11933350B2 (en) * | 2022-05-16 | 2024-03-19 | Goodrich Corporation | Joints of composite frames for optics support structure |
| USD1002223S1 (en) * | 2022-11-27 | 2023-10-24 | Xueling Chen | Bed frame connector set |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2923542A (en) * | 1955-07-18 | 1960-02-02 | Douglas Aircraft Co Inc | Glass fiber jigs |
| US3787033A (en) * | 1972-08-14 | 1974-01-22 | Crane Veyor Corp | Joint for tubular structure |
| US4703769A (en) * | 1981-06-05 | 1987-11-03 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Universal connectors for joining stringers |
| US5169258A (en) * | 1991-01-31 | 1992-12-08 | Raynak Larry J | Pipe connectors for structure fabrication |
| US5305571A (en) * | 1992-08-28 | 1994-04-26 | Trevino Jose A | Structural frame assembly |
| DE19613090B4 (en) * | 1995-04-05 | 2005-09-29 | Luftschiffbau Zeppelin Gmbh | Carrier for an airship |
| US6481918B2 (en) * | 1999-11-17 | 2002-11-19 | Richard Remmick | Strong, externally smooth structures |
| WO2003035997A1 (en) * | 2001-10-19 | 2003-05-01 | Shuhei Izumi | Handrail jointer |
| DE102004028707B4 (en) | 2004-06-14 | 2009-04-30 | Tünkers Maschinenbau Gmbh | Scaffolding system, for use in the bodywork of the automotive industry, and method for producing parts of a scaffolding system |
| DE102005015416A1 (en) * | 2005-04-04 | 2006-10-05 | Bilsing Automation Gmbh | Clamp for pipes used in vacuum gripper frames for sheet metal car parts comprises central section with cut-outs for pipes at right angles to each other, half-shells glued into these and locking brackets which are bolted over pipes |
| DE102005015415A1 (en) * | 2005-04-04 | 2006-10-05 | Bilsing Automation Gmbh | Fastening system for connecting circular tubes crossing over each other uses screws on a supporting frame fitted with vacuum grippers for carrying/holding sheet metal parts in the car industry |
| DE102006036988B4 (en) * | 2006-08-08 | 2015-10-01 | Universität Kassel | Bar frame to form a frame comprising a plurality of nodes and the bars connecting the nodes |
| US8397463B2 (en) * | 2009-02-03 | 2013-03-19 | Allred & Associates Inc. | 3-dimensional universal tube connector system |
| EP2424711A4 (en) | 2009-04-29 | 2013-05-22 | Flexprop Ab | Holder and fixing plate therefor |
-
2011
- 2011-05-12 DE DE102011101454A patent/DE102011101454A1/en not_active Ceased
-
2012
- 2012-05-07 US US13/465,300 patent/US20120285918A1/en not_active Abandoned
- 2012-05-08 EP EP12167050A patent/EP2522861A1/en not_active Withdrawn
- 2012-05-11 MX MX2012005490A patent/MX2012005490A/en not_active Application Discontinuation
- 2012-05-14 CN CN2012102033782A patent/CN102777456A/en active Pending
- 2012-05-14 CA CA2777143A patent/CA2777143A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| DE102011101454A1 (en) | 2012-11-15 |
| EP2522861A1 (en) | 2012-11-14 |
| MX2012005490A (en) | 2012-11-30 |
| CN102777456A (en) | 2012-11-14 |
| US20120285918A1 (en) | 2012-11-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |
Effective date: 20150514 |