EP1224114B1 - Sous-ensemble prevu pour realiser un flotteur de glisse sur eau et son procede de fabrication - Google Patents
Sous-ensemble prevu pour realiser un flotteur de glisse sur eau et son procede de fabrication Download PDFInfo
- Publication number
- EP1224114B1 EP1224114B1 EP01963034A EP01963034A EP1224114B1 EP 1224114 B1 EP1224114 B1 EP 1224114B1 EP 01963034 A EP01963034 A EP 01963034A EP 01963034 A EP01963034 A EP 01963034A EP 1224114 B1 EP1224114 B1 EP 1224114B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- foam
- shell
- subassembly
- casing
- subassembly 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B32/00—Water sports boards; Accessories therefor
- B63B32/57—Boards characterised by the material, e.g. laminated materials
Definitions
- the invention relates to a subassembly provided for producing a float glide on water including a surf float.
- It also relates to a method of manufacturing such a subassembly and a float made from the subset in question.
- a surf float is made from a foam cake, especially polyurethane foam, which is formed in a mold.
- the mousse bread is machined by planing and sanding on a thin layer to locally customize its shape then it is coated with a fiberglass casing impregnated with resin that forms an outer reinforcing shell and gives the float its final shape.
- a decoration and a icing give the float its final appearance.
- the foam bread is cut longitudinally into two parts which are then glued against a wooden slat that strengthens its structure and imposes on it a predetermined longitudinal camber.
- the disadvantage of such a construction technique is the weight of the float in the end.
- the foam is relatively dense, typically its density is 50kg / m3. And it is not possible in principle to reduce the density of the foam without harming the mechanical characteristics of the float.
- Such a construction mode allows a weight gain of about 20% or more while keeping a good rigidity under the feet.
- its implementation is relatively complex.
- the central foam roll is generally made of polystyrene foam. This material has the defect of taking water. It happens that during its existence the float is struck against a reef or a rock. If the outer shell is damaged, we run the risk to have infiltrations of water, the water weighing the float and being particularly difficult to clear out.
- An object of the invention is to propose an improved subassembly which makes it possible to realize lighter surf floats while retaining a customizable shape, or more bulky for equal weight.
- the float is characterized by the fact that it comprises the previously defined set covered with at least one sheet of resin impregnated fibers.
- the invention also relates to a manufacturing method as defined by claim 11.
- a surf float presents itself as an elongate board with a central portion 2, a tapered front spatula and slightly raised 3, and a rear heel 4 slightly raised and with a decreased width.
- the float is made from of a foam roll 5, typically 50 kg / m3 density polyurethane foam, which is covered with a ply 6 of fibers coated with resin.
- the foam bread is manufactured in mold, and it is available according to different models of length, width, volume and a variable camber. Once chosen by the manufacturer, the mousse bread is put to the desired final shape by local planing on a thin layer, and then only, it receives its outer coating. This coating increases the characteristics mechanical foam, and also protect the foam bread.
- Figures 4 and 5 show, respectively in cross section and in section longitudinal, a structural subset of the float according to the invention, that is to say the subset which is located under the outer coating of the final float.
- the subassembly is formed by an inner shell 7 which is coated with a foam envelope 8.
- the inner shell is hollow. This is a structural element for example made in fiberglass, carbon fiber or other synthetic material impregnated with resin, resin polyester, epoxy or other.
- the inner shell is made with a thickness of between 0.15 and 0.2 millimeters, or between 0.10 and 0.25 millimeters, or even more according to the intended use for the float and the type of resin used. In some cases and depending on the material used, the thickness can reach 1 to 2 millimeters.
- the inner shell can be made according to different techniques. For example, she is formed around a central core made of polystyrene beads glued with vinyl glue which is then dissolved in hot water. Other types of dissolvable mandrels can be used or even an inflatable bladder.
- the shell is made in several parts assembled together.
- the shell can be made from two half-shells (or half-shells) that fit one into the other. Both parties are assembled by gluing or any other suitable means. Other possibilities still exist.
- the shell 7 can also be constructed of other materials than fibers impregnated with resin, for example a thermoplastic material, filled thermoplastic of fibers, of fibers with a polyester matrix, of stamped metal or any other material with high elastic modulus.
- resin for example a thermoplastic material, filled thermoplastic of fibers, of fibers with a polyester matrix, of stamped metal or any other material with high elastic modulus.
- the shell is coated with an envelope 8.
- the envelope is foam, but different types of foams can be used.
- polystyrene foams (extruded or expanded) from 30 to 50 kg / m3 or more polyetherimide foams or any other waterproof foam.
- the thickness of the envelope is determined to allow a subsequent machining of this subset on this thin layer while having in the end a subset resistant and lightweight.
- the thickness is between 3 and 15 millimeters or even 20 millimeters.
- a greater thickness can be provided along the lateral edges and front / rear of the subassembly, and lower on the top and bottom. We can also provide different thicknesses on the top and bottom, on the front and back.
- foam plates that we curve to the shape of the shell by applying a pressure, for example under vacuum leaving inside the shell at atmospheric pressure so as not to distort this shell.
- a pressure for example under vacuum leaving inside the shell at atmospheric pressure so as not to distort this shell.
- An alternative is to place the shell in the center of a mold in which the foam is injected, or to sink or spray this foam on the shell and leave it to expand in the open air.
- the polymerization of the foam ensures its superficial cohesion with the shell.
- a primer can be applied to the surface of the shell to improve performance.
- the subassembly thus produced has the advantage of being lightweight and resistant. Indeed, as the inner shell 7 is hollow, we obtain a significant weight saving by compared to a traditional mousse bread.
- filling materials such as wood, or overall any material of density less than 1.
- the subassembly can be machined in the same way as a traditional foam roll, according to the desire of the manufacturer, provided that the machining thickness remains less than the thickness of the the foam.
- the invention provides for making several models of structural subassemblies with length, width, volume and camber variable.
- the same shell model can be used for several models of board, and play on the shape and thickness of the foam wrap to get the shapes final desired.
- the structural subset with its layer of foam machined 8 ' is intended to be covered with a ply 9 of glass fibers or other coated with resin, and to receive finishing operations in the same way as for a float traditional. This is shown in FIG.
- Figure 7 relates to an alternative embodiment of the invention.
- the inner shell 10 is reinforced by a central partition 11.
- Such a partition is used routinely especially for long floats, in order to give them a determined camber and better longitudinal rigidity.
- the central partition 11 is for example foam or wood. She extends over the length of the shell.
- the shell 10 is formed around this partition.
- the partition is lined with two layers 13 and 14 of fibers impregnated with resin, which connect continuously with the wall of the shell.
- the shell 10 is coated with a foam envelope 12.
- FIG. 8 relates to another variant, in which the upper wall of the shell 15 is supported by a foam plate 16 previously curved.
- the plate 16 is shaped by thermoforming or any other suitable technique.
- This plate 16 improves the resistance to driving of the upper part of the subassembly, that is to say under the feet of the surfer.
- the plate 18 is in two parts 18a, 18b which join at the level of a central partition 19 of the same nature as the partition 11.
- the shell 20 is closed above the plate 18 and the envelope 21 is formed around the shell 20.
- FIGS. 10 to 13 show another embodiment variant of FIG. the invention in which the structural subassembly is made from two half-shells assemblies.
- the subassembly can thus be formed of an upper half-shell 22, which will form the bridge of the final float, and a lower half-shell 24 which will form the hull.
- Each half-shell is formed of a foam plate 26, 28 which is first thermoformed in a mold then covered, on an inner face 30, 32, with at least one layer of fabric impregnated with resin.
- the lamination operation of the inner face 30, 32 half-shells 22, 24 will be made under vacuum while the foam plate previously thermoformed 26, 28 is still in the thermoforming mold, so that the layer of Resin-coated fabric hardens on the blister plate while it is still pressed against the mold. This ensures the best shape of the front half-shell assembly.
- the rigid internal shell 7 which is formed by the layers of resin-coated fabrics disposed on the inner faces of the half-shells, and on the other hand the envelope of external foam capable of being machined 8.
- the foams used are for example extruded polystyrene foam plates with a density of about 30 to 50 kg / m3.
- one of the half-shells for example the lower half-shell 24, is also laminated on its face outside 34 before assembling the two half-shells.
- the half-shell thus laminated on its two faces 32, 34 is then particularly rigid during assembly with the other half-shell, which makes it possible to better control the precision of the assembly, and therefore the precision of the shape of the subset.
- the foam envelope covering the shell is then more suitable to be machined on all its surface. Indeed, one of the faces being already laminated at the time of assembly, the geometry of this face can no longer be deeply modified.
- the two half-shells are not symmetrical. Indeed, it can be seen that the lower half-shell 24 does not comprise no side edges.
- the plate is curved in the direction longitudinal (which is not visible in the drawings) to follow the camber curve longitudinal (sometimes called "rocker” or "scoop” curve). It could also be curved in the transverse direction, for example to form a hull V or double concave, but in the example shown the lower half-shell has no curvature cross.
- the shaping of the plate can be done without thermoforming, simply by pressing the plate against the mold by depression at the moment of stratification. After curing the resin, the stiffness of the resin-coated fabric is sufficient to maintain the plate to the desired shape of the half-shell.
- the upper half-shell 22 is thermoformed so as to be curved longitudinally, but also transversely to form recurved lateral edges 36 down.
- the internal faces that is to say the lower face 30 of the half-shell upper 22 and the upper face 32 of the lower half-shell 24
- the lower face 34 of the lower half-shell 24 is it also stratified, before assembling the two half-shells.
- the assembly of the two half-shells is obtained by gluing the lower edge of the lateral flanges 36 of the upper half-shell 22 against the face upper 32 of the lower half-shell 24.
- the glue will be chosen so as not to be too difficult to machine, that is to say, so as not to create a hard point in the foam constituent of the lateral edge of the subassembly.
- FIG. 12 which illustrates in more detail the side edge of the subassembly just after assembly
- most of the height of the edge side 38 of the structural assembly is formed by the lateral flanges 36 of the half-shell upper whose outer face 40 is made of foam.
- the bottom part of these edges side is formed by the side edge of the lower half-shell which has a framed foam thickness 28 (top and bottom) by two layers of impregnated fabrics 32, 34.
- the fabric thicknesses 32, 34 are very small, they do not form obstacle to the shaping by machining of the lateral edges.
- the geometry of the lateral edge 38 of the structural subset has been modified on any the height of the lateral edge 38, for example by planing and sanding.
- the stratification of the outer surface in this case the lower surface 34 of the lower half-shell, can be total (as shown). It can also concern only one part of the surface, for example the central part to preserve perfect machinability of the side edge 38.
- the precise assembly of the two half-shells is facilitated by the high rigidity of the lower half-shell, and the sub-assembly remains able to be machined on its entire upper surface and on its lateral edges, which leaves a great capacity for customization of the subset.
- the structural subset is covered with an outer layer of resin-impregnated fibers.
- the subset thus produced is a subset which, at meaning of the invention, includes a hollow and rigid inner shell, and a shell of foam capable of being machined which completely covers this inner shell.
- a part of this envelope (which we do not want to change the geometry, for example the upper face of the upper half-shell or the lower face of the lower half-shell), can be covered with a rigid outer layer.
- the invention could be applied for the construction of floats other than surf floats, for example for windsurfing floats, floats intended for swimming in the waves and overall, any nautical practice in which the float Mostly works in the preview mode.
Description
Claims (12)
- Sous-ensemble structurel prévu pour la réalisation d'un flotteur de glisse sur l'eau, le sous-ensemble ayant une forme proche de la forme finale du flotteur, caractérisé par le fait qu'il comprend une coquille interne creuse (7, 10, 15, 20), qui est recouverte d'une enveloppe (8,12, 18, 21) en mousse apte à être usinée, la mousse définissant au moins en partie la surface externe du sous-ensemble.
- Sous-ensemble selon la revendication 1, caractérisé par le fait que la coquille interne (7, 10, 15, 20) est en fibres imprégnées de résine.
- Sous-ensemble selon la revendication 1, caractérisé par le fait que la coquille interne (10, 20) est renforcée par une cloison centrale (14, 17)
- Sous-ensemble selon la revendication 1, caractérisé par le fait que la paroi supérieure de la coquille interne (15, 20) est soutenue par une plaque (16, 18) galbée située à l'intérieur de la coquille.
- Sous-ensemble selon la revendication 2, caractérisé par le fait que la paroi de la coquille a une épaisseur de 0.1 à 2 millimètres.
- Sous-ensemble selon la revendication 1, caractérisé par le fait que l'enveloppe est en mousse de polystyrène.
- Sous-ensemble selon la revendication 1, caractérisé par le fait que l'enveloppe est en mousse de polyuréthane.
- Sous-ensemble selon la revendication 1, caractérisé par le fait que l'enveloppe est en mousse de PVC.
- Sous-ensemble selon la revendication 1, caractérisé par le fait que l'enveloppe en mousse est localement renforcée par une structure en nid d'abeille.
- Sous-ensemble selon la revendication 1, caractérisé par le fait que l'épaisseur de l'enveloppe en mousse est comprise entre 3 et 20 millimètres.
- Procédé de fabrication d'un sous-ensemble structurel prévu pour la réalisation d'un flotteur de glisse sur l'eau, caractérisé en ce qu'il comporte les étapes consistant à :former une demi-coque supérieure comportant une couche de mousse apte à être usinée recouverté sur sa face inférieure d'une couche interne de fibres imprégnées de résine thermodurcissable ;former une demi-coque inférieure comportant une couche de mousse apte à être usinée recouverte sur sa face supérieure d'une couche interne de fibres imprégnées de résine thermodurcissable ;assembler les deux demi-coques de telle sorte que les dites couches internes de fibres imprégnées de résine thermodurcissable forment une coquille creuse recouverte d'uns enveloppe de mousse apte à être usinée.
- Procédé selon la revendication 11, caractérisé en ce que, avant l'assemblage des demi-coques, le procédé comporte l'étape supplémentaire consistant à recouvrir une partie d'au moins une des demi-coques d'une couche externe de fibres imprégnées de résine thermodurcissable, tout en laissant libre de couche externe une partie de l'enveloppe de mousse.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04018419A EP1475303B1 (fr) | 2000-07-28 | 2001-07-26 | Flotteur de glisse sur l'eau et son procédé de réalisation |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0010775A FR2812269B1 (fr) | 2000-07-28 | 2000-07-28 | Sous-ensemble prevu pour realiser un flotteur de glisse sur eau |
FR0010775 | 2000-07-28 | ||
PCT/FR2001/002463 WO2002010011A1 (fr) | 2000-07-28 | 2001-07-26 | Sous-ensemble prevu pour realiser un flotteur de glisse sur eau |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04018419A Division EP1475303B1 (fr) | 2000-07-28 | 2001-07-26 | Flotteur de glisse sur l'eau et son procédé de réalisation |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1224114A1 EP1224114A1 (fr) | 2002-07-24 |
EP1224114B1 true EP1224114B1 (fr) | 2005-03-30 |
Family
ID=8853624
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01963034A Expired - Lifetime EP1224114B1 (fr) | 2000-07-28 | 2001-07-26 | Sous-ensemble prevu pour realiser un flotteur de glisse sur eau et son procede de fabrication |
EP04018419A Expired - Lifetime EP1475303B1 (fr) | 2000-07-28 | 2001-07-26 | Flotteur de glisse sur l'eau et son procédé de réalisation |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04018419A Expired - Lifetime EP1475303B1 (fr) | 2000-07-28 | 2001-07-26 | Flotteur de glisse sur l'eau et son procédé de réalisation |
Country Status (8)
Country | Link |
---|---|
US (2) | US6736689B2 (fr) |
EP (2) | EP1224114B1 (fr) |
AT (2) | ATE392358T1 (fr) |
AU (1) | AU779626B2 (fr) |
DE (2) | DE60109725T2 (fr) |
ES (2) | ES2236290T3 (fr) |
FR (1) | FR2812269B1 (fr) |
WO (1) | WO2002010011A1 (fr) |
Families Citing this family (31)
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FR2812269B1 (fr) * | 2000-07-28 | 2002-12-13 | Salomon Sa | Sous-ensemble prevu pour realiser un flotteur de glisse sur eau |
US20020167136A1 (en) * | 2001-03-09 | 2002-11-14 | Lehr Gregory S. | Dual density foam core sports board |
FR2833566B1 (fr) | 2001-12-19 | 2004-05-21 | Salomon Sa | Planche de glisse creuse avec des masselottes d'inertie |
FR2833565B1 (fr) * | 2001-12-19 | 2004-02-27 | Salomon Sa | Procedes de fabrication d'un sous-ensemble structurel et d'une planche de glisse : sous-ensemble structurel et planche de glisse obtenus par un tel procede |
FR2863582A1 (fr) * | 2003-12-10 | 2005-06-17 | Salomon Sa | Procede de fabrication d'une planche de glisse et planche obtenue par un tel procede |
BRPI0509343A (pt) * | 2004-03-30 | 2007-09-11 | Plastxform Ag | método para produzir corpos moldados de material termoplástico |
FR2878818B1 (fr) | 2004-12-08 | 2007-03-23 | Salomon Sa | Flotteur de glisse sur l'eau a entretoises hybrides |
FR2878817B1 (fr) | 2004-12-08 | 2007-03-23 | Salomon Sa | Flotteur de glisse sur l'eau a entretoises hybrides |
EP1888189A4 (fr) * | 2005-06-04 | 2011-12-28 | Varial Surfing Technologies Llc | Planche de surf avec ame en nid d'abeilles |
FR2886916B1 (fr) * | 2005-06-09 | 2007-10-19 | Salomon Sa | Flotteur de glisse comportant un pont a strucure sandwich a ame elastique |
US7435150B2 (en) * | 2005-07-05 | 2008-10-14 | Peter Mehiel | Internal rib and spine reinforcement system for a hollow surfboard |
FR2892379B1 (fr) * | 2005-10-24 | 2008-04-04 | Salomon Sa | Planche de glisse comportant une structure sandwich renforcee |
FR2892340B1 (fr) * | 2005-10-24 | 2008-02-22 | Salomon Sa | Structure stratifiee sandwich perfectionnee |
US7767014B2 (en) * | 2006-10-16 | 2010-08-03 | Ebs Concepts, Llc | Castable mass reduced machinable mold material |
CN100500250C (zh) * | 2007-04-05 | 2009-06-17 | 张广基 | 具有气垫功能的运动滑板及其制造方法 |
DE102007048562B4 (de) * | 2007-10-09 | 2011-05-26 | Matthias Auer | Wassersportgerät, insbesondere Wasserski oder Surfbrett |
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FR2959722B1 (fr) * | 2010-05-07 | 2015-05-29 | Salomon Sas | Planche de glisse |
EP2603423A2 (fr) * | 2010-08-10 | 2013-06-19 | Recon Paddleboards LLC | Planche de sport aquatique |
US8256791B2 (en) * | 2010-11-16 | 2012-09-04 | The Burton Corporation | Gliding board with improved response to rider input |
US20130065463A1 (en) * | 2011-09-09 | 2013-03-14 | Windsor Chou | Paddleboard |
US9045201B1 (en) * | 2012-01-31 | 2015-06-02 | Tadas Kuzmarskis | Cork watersports board |
US9034948B2 (en) | 2012-03-08 | 2015-05-19 | Small Beginnings, Llc | Additive process for production of dimensionally stable three dimensional objects |
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US9463588B2 (en) * | 2014-02-07 | 2016-10-11 | Todas Santos Surf, Inc. | Surf fin including injection molded pre-impregnated composite fiber matrix inserts |
JP3216591U (ja) * | 2017-04-18 | 2018-06-07 | カム ティム タン, | スポーツ用具 |
US10293898B2 (en) | 2017-06-30 | 2019-05-21 | Serigio Villarreal | Towable water sports board |
US10472025B2 (en) | 2017-08-07 | 2019-11-12 | Surftech | Multi-density core surfboard blank and method of making |
CN109649573A (zh) * | 2018-12-31 | 2019-04-19 | 沈恒 | 一种新型静水比赛专用的船艇和桨 |
CA3159594A1 (fr) | 2019-12-18 | 2021-06-24 | Checkerspot, Inc. | Utilisations de materiaux derives de microbes dans des applications de polymeres |
FR3113026B1 (fr) * | 2020-07-29 | 2023-05-26 | Mathieu Kak | Planche flottante aquatique et procédé de fabrication associé |
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FR2833565B1 (fr) | 2001-12-19 | 2004-02-27 | Salomon Sa | Procedes de fabrication d'un sous-ensemble structurel et d'une planche de glisse : sous-ensemble structurel et planche de glisse obtenus par un tel procede |
FR2833566B1 (fr) | 2001-12-19 | 2004-05-21 | Salomon Sa | Planche de glisse creuse avec des masselottes d'inertie |
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2000
- 2000-07-28 FR FR0010775A patent/FR2812269B1/fr not_active Expired - Fee Related
-
2001
- 2001-07-26 AT AT04018419T patent/ATE392358T1/de not_active IP Right Cessation
- 2001-07-26 WO PCT/FR2001/002463 patent/WO2002010011A1/fr active IP Right Grant
- 2001-07-26 DE DE60109725T patent/DE60109725T2/de not_active Expired - Fee Related
- 2001-07-26 ES ES01963034T patent/ES2236290T3/es not_active Expired - Lifetime
- 2001-07-26 ES ES04018419T patent/ES2304150T3/es not_active Expired - Lifetime
- 2001-07-26 EP EP01963034A patent/EP1224114B1/fr not_active Expired - Lifetime
- 2001-07-26 US US10/089,151 patent/US6736689B2/en not_active Expired - Fee Related
- 2001-07-26 EP EP04018419A patent/EP1475303B1/fr not_active Expired - Lifetime
- 2001-07-26 DE DE60133682T patent/DE60133682T2/de not_active Expired - Fee Related
- 2001-07-26 AT AT01963034T patent/ATE292040T1/de not_active IP Right Cessation
- 2001-07-26 AU AU84086/01A patent/AU779626B2/en not_active Ceased
-
2004
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Also Published As
Publication number | Publication date |
---|---|
ATE392358T1 (de) | 2008-05-15 |
US20040198112A1 (en) | 2004-10-07 |
AU8408601A (en) | 2002-02-13 |
DE60133682D1 (de) | 2008-05-29 |
DE60133682T2 (de) | 2009-08-20 |
ATE292040T1 (de) | 2005-04-15 |
EP1475303A2 (fr) | 2004-11-10 |
ES2236290T3 (es) | 2005-07-16 |
FR2812269B1 (fr) | 2002-12-13 |
US20020151233A1 (en) | 2002-10-17 |
DE60109725D1 (de) | 2005-05-04 |
DE60109725T2 (de) | 2005-08-25 |
EP1475303B1 (fr) | 2008-04-16 |
WO2002010011A1 (fr) | 2002-02-07 |
US6736689B2 (en) | 2004-05-18 |
US7331835B2 (en) | 2008-02-19 |
AU779626B2 (en) | 2005-02-03 |
EP1475303A3 (fr) | 2005-03-16 |
FR2812269A1 (fr) | 2002-02-01 |
ES2304150T3 (es) | 2008-09-16 |
EP1224114A1 (fr) | 2002-07-24 |
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