EP1951972A1 - Articulated mast for a thick-matter delivery installation - Google Patents
Articulated mast for a thick-matter delivery installationInfo
- Publication number
- EP1951972A1 EP1951972A1 EP06818647A EP06818647A EP1951972A1 EP 1951972 A1 EP1951972 A1 EP 1951972A1 EP 06818647 A EP06818647 A EP 06818647A EP 06818647 A EP06818647 A EP 06818647A EP 1951972 A1 EP1951972 A1 EP 1951972A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mast
- articulated
- mast section
- section
- sections
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
- E04G21/0418—Devices for both conveying and distributing with distribution hose
- E04G21/0436—Devices for both conveying and distributing with distribution hose on a mobile support, e.g. truck
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/8807—Articulated or swinging flow conduit
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/32—Articulated members
- Y10T403/32114—Articulated members including static joint
- Y10T403/32213—Articulate joint is a swivel
Definitions
- the present invention relates to a articulated mast comprising a plurality of pivotally interconnected mast sections, according to the preamble of claim 1.
- conveyor systems are used to overcome height differences, in which the thick material to be conveyed is conveyed by a delivery line or a piping system to the desired application point.
- the delivery pressure or delivery volume flow is generated here by a slurry pump.
- a common design principle of such conveyors is the combination of the piping system with a buckling and / or telescopic mast, which is mounted for example on a truck.
- a conveyor system but also be constructed stationary or designed as manipulators. In the event that such a conveyor system is mounted on a truck, this is initially aligned horizontally at the site and secured against tipping.
- the sludge pump then conveys the externally provided thick material through a piping system, which is arranged along the mast sections, to the desired discharge point, at which the thick matter, for example, by a trunk-like Schlauchfort-. set out of the piping system.
- the surmountable height differences are considerable and can be 50 m and more.
- conveyors and horizontal distances can be overcome, for example. In rough or inaccessible terrain.
- the individual mast sections of the articulated mast are typically connected to each other by means of pivot bearings or pivot joints.
- the actuating forces are applied in a known manner, for example by hydraulic cylinders, wherein the hydraulic cylinder is arranged between two adjacent by means of the pivot joint mast sections connected.
- the extension and retraction of the piston rod leads to a pivoting movement of a mast section relative to the other, at this time usually fixed-position mast section.
- the entire articulated mast or mast structure is attached to a so-called mast block and rotatably mounted on this about a vertical axis.
- the mast section arranged on the mast block is typically referred to as the first mast section, and the following mast arm sections are counted consecutively.
- Most often articulated masts have two, three or four individual mast sections and are accordingly referred to as two-, three- or four-member articulated masts.
- the cranking also requires lateral weight shifting of the mast sections following the cranked mast section, including the pivot joints and the conveyor line sections attached to the mast sections.
- high transverse forces which also cause torsional moments in the individual mast sections (the stresses resulting from the torsional moments are extremely high, in particular in the region of the cranking) and in particular in the pivot joints and in the region of attachment of the kink mast to the high girder. or overturning moments.
- the individual mast sections and pivot joints, but also the attachment of the articulated mast on Mastbock must be designed to be stable, which of course brings a design effort with it.
- the high design effort has a detrimental effect on the corresponding weight of the articulated mast.
- the object of the invention is to reduce the resulting shear forces and bending moments on a articulated mast to keep the design effort low.
- the task solution should also bring economic advantages over the prior art.
- the inclination of the swivel joint axis can be detected by means of a skew angle ⁇ , this angle being determined relative to a vertical line of the longitudinal axis of a preceding mast section, typically to that of the first mast section attached to the mast block.
- the skew angle can be detected in a horizontal plane for simplification.
- the skew angle ⁇ should not be greater than 22.5 °, preferably not greater than 15 °, more preferably not greater than 10 ° and particularly preferably not greater than 8 °, otherwise the resulting spread angle ⁇ and thus the torsional moments occurring (or. Shear forces) are too large.
- the skew angle ⁇ of the tilted pivot axis can advantageously be determined in a horizontal plane occupying a vertical position to the vertical reference plane. In this case, only the flat share, ie recorded the angular projection of the inclination in the horizontal plane, in which any inclination shares are not taken into account.
- the articulated mast comprises more than two mast sections, it is advantageous to use a splayed, i.e. laterally led away mast section subsequent third mast section, also with an inclined pivot axis store, so that the splayed and mounted by means of the pivot joint (with inclined swivel joint axis) mast section in the unfolded working position of the articulated mast are aligned substantially in the vertical reference plane, but in the folded-rest or transport position of the subsequent mast section is arranged substantially parallel to the mast section preceding the splayed mast section.
- the articulated mast comprises more than two mast sections, for example four mast sections
- the mast section spread apart in the rest position, counted from the mast mounting on the mast block is the second or third mast section.
- the first and second mast sections are then arranged one above the other in the resting or transport position, while the two following mast sections are arranged laterally offset, whereby an advantageous weight distribution is achieved in the rest position.
- the longitudinal axis of the splayed away laterally guided mast section with the longitudinal axis of the preceding mast section forms a spread angle a, which is also simplistic defined as a plane angle in a horizontal plane.
- the spread angle a has approximately twice the angular value of the skew angle ⁇ of the tilted pivot axis, ie, the mathematical relations apply: a »2-ß or ß -all.
- the two spreading angles a and a ' i.e. the angles between the longitudinal axes of the splayed and its preceding mast section and between the longitudinal axes of the splayed and its subsequent mast section, approximately the same angle value.
- both spread angles a and et have different angle values.
- the ideal state of a common alignment of the individual mast sections of a articulated mast in that they are aligned within the vertical reference plane, does not assume that the maximum pivot angle 7 between each two pivotally interconnected mast sections have an angle value of 180 °.
- the articulated mast can already be optimized in the construction in view of the later expected applications such that the maximum possible pivot angle ⁇ between two adjacent mast sections significantly less than 180 °, for example, only 90 °, or significantly more than 180 °, for example 220 °.
- a respective respective pivot end position of the individual mast sections can be determined constructively, for example by stops in the pivot joints or by using hydraulic cylinders with corresponding stroke lengths. This can reduce weight and costs.
- the ideal state of joint alignment of the individual pole sections must be by these are aligned within the vertical reference plane to be matched to this expected use case.
- the mast sections of a articulated mast regardless of the individually maximum possible pivoting angles, when unfolding into a working position must adopt an aligned position in which they are aligned within the vertical reference plane.
- Figure 1 shows a kink mast according to the prior art in a perspective view
- Figure 2 shows a pivot joint of a articulated mast of Figure 1 in a perspective view
- FIG. 3 shows a pivot joint according to Figure 2 in partial section
- FIG. 4 a swivel joint according to FIG. 2 in a side view
- Figure 5 shows a pivot joint with an inclined pivot axis in partial section
- Figure 6 is a simplified, schematic representation of a according to FIG.
- Figure 7a is a schematic representation of the articulated mast according to Figure 6, viewed from above;
- Figure 7b is a schematic representation of the articulated mast according to Figure 6 in the resting or transport state, viewed from above.
- Figure 1 shows an example of a prior art designated 1 articulated mast or mast assembly in working position, which is pivotally mounted on a mast block 2, wherein the mast block 2 can typically rotate about a vertical axis (z-direction).
- the girder 2 can be mounted, for example, on a truck, not shown, a concrete truck, or even be mounted on a stationary system.
- the articulated mast 1 sets composed of individual mast sections or mast arms 4 to 7 arranged one behind the other.
- the illustrated articulated mast 1 is a four-unit mast construction.
- a pivot joint 8 connects two adjacent mast sections.
- the four-membered mast structure shown therefore comprises three pivot joints 8, plus a fourth pivot joint 8a via which the mast assembly itself is articulated on the mast block 2.
- the other components such as the concrete delivery line and its attachment means or the hydraulic swing cylinder and their connecting lines and the like. Not shown.
- the second mast section 5 may be arranged compactly below the first mast section 4, but no further space would be available for a third mast section 6 or even a fourth mast section 7 below the mast section Mast sections 4 and 5 to be arranged so that therefore at least the third mast section 6 must be guided laterally over.
- the third mast section 6 has a cranking designated by 9, by which the rear part 61 of the third mast section and the subsequent fourth mast section 7 are laterally offset by an amount d.
- a cranking designated by 9 By the crank 9 come now when folding the articulated mast 1 from its working position in the rest or transport position, the individual mast sections partially side by side lying in the end position and it can therefore be achieved a largely compact Einfaltwolf due to the crank.
- the articulated mast 1 is transferred to its transport or rest position, in which the fourth mast section 7 under the third mast section 6, the third mast section. 6 on the second mast section 5 and the second mast section 5 under the first mast section 4 is folded.
- the second mast section 5 and the third mast section 6 are thus arranged below the first mast section 4, wherein the lowermost third mast section 6 emerges laterally from the stack at its offset 9 and the fourth mast section 7 rests on its offset rear mast section 61.
- the goal is the reduction of stacking height, on the other hand an optimization with regard to the center of gravity.
- FIG. 2 shows the possible embodiment of a pivot joint 8 in a perspective view, by means of which two adjacent mast sections, here by way of example denoted by A and B, are pivotally connected to each other.
- the mast section A has an end bifurcation 10, in which the rod-like end piece of the adjacent mast section B is accommodated.
- the lateral inner surfaces of the Endgabelung 10 serve here as a guide to prevent tilting against the pivoting direction.
- the fixing of the two connected mast sections A and B takes place by means of a hinge pin or pivot pin 11 (compare FIG. 3), which is arranged within a hinge bushing or bore 15, of which only the hinge eye 12 is visible in FIG.
- the two interconnected exemplary mast sections A and B can pivot about a pivot axis 13.
- the pivot axis 13 is identical to the center line of the hinge pin 1 1 and with the center line of the hinge bushing 15 and perpendicular to the common center line 14.
- the current position of the two mast sections A and B to each other can be described with a pivot angle ⁇ .
- FIG. 3 shows the articulated boom of FIG. 2 in a partial section viewed from a vertical direction (from above against the z-direction according to FIG. 1).
- the hinge pin 1 1 for both mast sections A and B is within a joint socket or bore 15 is arranged and secured in a known manner.
- the tail of the mounted mast section B is aligned and guided transversely to the pivot direction, so that the two mast sections A and B are always aligned along a common longitudinal axis 14 regardless of a current pivot angle.
- the pivot axis 13 and the common longitudinal axis 14 are always at right angles to each other.
- Figure 4 shows the pivot joint 8 of Figures 2 and 3 in a side view, i. viewed from Figure 1 from a horizontal direction.
- the two pivotally interconnected mast sections A and B take here a pivot angle ⁇ of 180 ° to each other, whereby the respective mast sections are maximally spaced from each other.
- the maximum swing angle is often less or more than 180 °.
- the maximum swing angle can be determined by design measures, for example. By means of end stops in the pivot joint or by the maximum stroke length of the actuating hydraulic cylinder.
- FIG. 5 shows the embodiment according to the invention with a pivot joint 81 with a tilted pivot axis 131.
- FIG. Position take the two exemplary mast sections A and B a position according to Figure 4, that is, the pivot angle ⁇ is approximately 180 °, the two mast sections A and B are aligned in this position as shown in Figure 5 along a common longitudinal axis 14.
- the hinge hole 151 is here designed so that its center line corresponding to the pivot axis 131, a non-perpendicular angle to the common longitudinal axis 14 occupies.
- FIG. 6 shows schematically in a perspective view an unfolded articulated mast according to FIG. 1 with a total of four mast sections 4 to 7.
- all four mast sections 4 to 7 are in alignment along a common longitudinal axis 14 arranged as shown in Figure 7a.
- a vertical plane Perpendicular to this common longitudinal axis 14, but at least perpendicular to the longitudinal axis of the first mast section 4, a vertical plane can be spanned, which can be referred to as a vertical reference plane 16.
- a vertical reference plane 16 Perpendicular to this common longitudinal axis 14, but at least perpendicular to the longitudinal axis of the first mast section 4.
- the vertical reference plane runs only at random along the y-axis of the spatial coordinate system.
- the mast sections 4 to 7 move during folding and unfolding exclusively within the vertical reference plane 16. Does the articulated mast bent sections on mast sections, move the staggered mast sections on and unfolding only in parallel planes to the vertical reference plane 16. As already described, resulting from the offset mast sections transverse forces that lead to Torsionsmoment-, Biegemoment- and buckling moment loads.
- a articulated mast 1 which comprises a swivel joint 81 with an inclined swivel joint axis 131 (according to the example of FIG. 5)
- the articulated mast section pivoted about this inclined swivel joint axis 131 and corresponding to the exemplary mast section B moves obliquely to the vertical reference plane 16, the lopsided position continuously changed during the pivoting movement. Only in a predetermined position position, which can be described for example by the pivot angle ⁇ to the previous mast section, these two mast sections are within the vertical reference plane 16, ie in an ideal aligned working position.
- the exemplary mast section B corresponding articulated mast section in a spread angle of the preceding mast section from is therefore led away laterally from this.
- the mast section B corresponding buckling mast section substantially elongated, that can be formed without cranking, thereby eliminating the disadvantages associated with the cranking.
- the mast sections can be made correspondingly less rigid, which reduces weight, manufacturing costs and costs.
- FIGs 7a and 7b illustrate the example of a four-unit articulated mast 1, which position of the third, in this case not cranked mast section 6 in the working position ( Figure 7a) and in the rest or transport position ( Figure 7b) occupies.
- the third mast section 6 is aligned with the preceding mast sections 4 and 5 along a common longitudinal axis 14, and thus also within the vertical reference plane 16 (see FIG. This eliminates the resulting from a crank of the mast section shear forces.
- the same mast section 6 is due to the inclined pivot axis 131 of its preceding mast section 5 in a spread angle a. from. As a result, this is guided past the preceding mast section, taken exactly away from this.
- the inclination of the pivot axis 131 thus avoids the disadvantages associated with the crank 9 disadvantages. This saves material and weight and reduces manufacturing costs.
- FIG. 7a also clarifies the definition of the plane skew angles ⁇ and ⁇ ', which the oblique pivot axes 131 occupy to the perpendiculars of a common longitudinal axis 14, the common longitudinal axis 14 corresponding to at least one extension of the longitudinal axis of the first pole section (4).
- the skew angles ⁇ and ⁇ ' are determined for simplicity in a horizontal plane, this horizontal plane extending by definition perpendicular to the vertical reference plane 16.
- the pivot axes 13 of a conventional pivot joint 8, according to the embodiment of Figures 2 to 4 also correspond to the perpendicular of the common longitudinal axis fourteenth
- the skew angle ⁇ typically corresponds to half the spread angle a (cf., FIG. 7b), provided that the passed through pivot angle ⁇ of the mast sections connected by means of this pivot joint 81 corresponds to approximately 180 ° during folding and unfolding.
- the orientation of the skew angle ß and ß 'results from the input or Ausklapp flood the respective mast sections.
- pivot joints 81 must be designed with a tilted pivot axis 131 in total on the changed pivot mechanism.
- the embodiment of Figure 5 for example, a game, in the form of a gap between the tail of the mast section B and the Endgabelung 10 of the mast section A.
- a guide assembly 17 is provided, which also provides the necessary also for this pivot joint lateral guide surfaces.
- a first guide surface of such a guide arrangement may for example be formed integrally with the fork 10 of the mast section A, the corresponding mating surface may be formed integrally with the rod-like end piece of the mast section B.
- the guide assembly 17 may also be constructed of a plurality of spacers having correspondingly shaped inclined surfaces. Other embodiments are possible.
- the skew angle ß and ß ' should not exceed a maximum value of 10 °, preferably of 8 °. This results in an approximately twice as large spread angle ⁇ or a ⁇ which currently proves to be practicable value.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Jib Cranes (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Spray Control Apparatus (AREA)
- Ship Loading And Unloading (AREA)
- Framework For Endless Conveyors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005055667A DE102005055667B4 (en) | 2005-11-22 | 2005-11-22 | Articulated mast for a thick matter conveying system |
PCT/EP2006/011079 WO2007059904A1 (en) | 2005-11-22 | 2006-11-17 | Articulated mast for a thick-matter delivery installation |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1951972A1 true EP1951972A1 (en) | 2008-08-06 |
EP1951972B1 EP1951972B1 (en) | 2009-09-30 |
Family
ID=37708312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06818647A Not-in-force EP1951972B1 (en) | 2005-11-22 | 2006-11-17 | Articulated mast for a thick-matter delivery installation |
Country Status (11)
Country | Link |
---|---|
US (1) | US8251095B2 (en) |
EP (1) | EP1951972B1 (en) |
KR (1) | KR101059033B1 (en) |
CN (1) | CN101313116B (en) |
AT (1) | ATE444420T1 (en) |
AU (1) | AU2006316895B2 (en) |
BR (1) | BRPI0619212A2 (en) |
CA (1) | CA2630509C (en) |
DE (2) | DE102005055667B4 (en) |
ES (1) | ES2310162T3 (en) |
WO (1) | WO2007059904A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008027233A1 (en) | 2008-06-06 | 2009-12-10 | Schwing Gmbh | Joint bolt as part of a thick matter pipe |
IT1398899B1 (en) * | 2010-03-12 | 2013-03-21 | Cifa Spa | CONCRETE DISTRIBUTION ARM AND ITS CONSTRUCTION PROCEDURE |
DE102010027635B4 (en) * | 2010-07-19 | 2019-12-05 | Schwing Gmbh | Joint bolt connection for mast joints in a articulated mast of a concrete pump |
DE102011018267A1 (en) * | 2011-04-20 | 2012-10-25 | Schwing Gmbh | Apparatus and method for thick matter, in particular concrete conveying with rotation angle measurement |
CN102674214B (en) * | 2012-05-25 | 2015-06-17 | 徐州重型机械有限公司 | Overhead working engineering machine and side foldable boom thereof |
CN103410326B (en) * | 2013-08-20 | 2016-04-20 | 中联重科股份有限公司 | Transition joint arm, manufacturing method thereof, folding arm support and material distribution equipment |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US531121A (en) * | 1894-12-18 | hofbeck | ||
US2296250A (en) * | 1939-01-05 | 1942-09-22 | Autogiro Co Of America | Aircraft with sustaining rotors |
US3009646A (en) * | 1958-09-11 | 1961-11-21 | Purtell Rufus Judson | Irrigation pipe moving system |
FR1443948A (en) * | 1965-03-24 | 1966-07-01 | Advanced folding bicycle | |
JPH076292B2 (en) | 1990-01-12 | 1995-01-30 | 極東開発工業株式会社 | Multi-stage boom device for fluid transfer |
DE19644412A1 (en) * | 1996-10-25 | 1998-04-30 | Putzmeister Ag | Concrete placing boom for concrete pumps |
EP1117883B1 (en) * | 1998-09-28 | 2003-03-26 | PUTZMEISTER Aktiengesellschaft | Auto concrete pump |
DE19959070A1 (en) * | 1999-12-08 | 2001-06-13 | Putzmeister Ag | Distribution boom for concrete pumps |
DE10106427B4 (en) * | 2001-02-12 | 2006-06-22 | Schwing Gmbh | Distributor device for thick materials, in particular for concrete |
US6942235B2 (en) * | 2003-12-01 | 2005-09-13 | Wen-Pin Chang | Foldable bicycle |
-
2005
- 2005-11-22 DE DE102005055667A patent/DE102005055667B4/en not_active Expired - Fee Related
-
2006
- 2006-11-17 US US12/094,594 patent/US8251095B2/en not_active Expired - Fee Related
- 2006-11-17 KR KR1020087014914A patent/KR101059033B1/en not_active IP Right Cessation
- 2006-11-17 DE DE200650005002 patent/DE502006005002D1/en active Active
- 2006-11-17 CA CA 2630509 patent/CA2630509C/en not_active Expired - Fee Related
- 2006-11-17 AU AU2006316895A patent/AU2006316895B2/en not_active Ceased
- 2006-11-17 EP EP06818647A patent/EP1951972B1/en not_active Not-in-force
- 2006-11-17 ES ES06818647T patent/ES2310162T3/en active Active
- 2006-11-17 WO PCT/EP2006/011079 patent/WO2007059904A1/en active Search and Examination
- 2006-11-17 CN CN2006800437479A patent/CN101313116B/en not_active Expired - Fee Related
- 2006-11-17 BR BRPI0619212-2A patent/BRPI0619212A2/en not_active IP Right Cessation
- 2006-11-17 AT AT06818647T patent/ATE444420T1/en active
Non-Patent Citations (1)
Title |
---|
See references of WO2007059904A1 * |
Also Published As
Publication number | Publication date |
---|---|
AU2006316895B2 (en) | 2010-07-01 |
AU2006316895A1 (en) | 2007-05-31 |
EP1951972B1 (en) | 2009-09-30 |
WO2007059904A1 (en) | 2007-05-31 |
US8251095B2 (en) | 2012-08-28 |
BRPI0619212A2 (en) | 2011-09-20 |
KR101059033B1 (en) | 2011-08-24 |
DE102005055667A1 (en) | 2007-05-31 |
CN101313116A (en) | 2008-11-26 |
DE502006005002D1 (en) | 2009-11-12 |
ES2310162T1 (en) | 2009-01-01 |
CA2630509C (en) | 2011-03-29 |
CA2630509A1 (en) | 2007-05-31 |
KR20080080319A (en) | 2008-09-03 |
ES2310162T3 (en) | 2010-01-08 |
US20090028633A1 (en) | 2009-01-29 |
CN101313116B (en) | 2013-04-17 |
DE102005055667B4 (en) | 2009-02-12 |
ATE444420T1 (en) | 2009-10-15 |
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