EP0601948B1 - Plugging device for the injection and retention of a treatment product in a masonry wall - Google Patents
Plugging device for the injection and retention of a treatment product in a masonry wall Download PDFInfo
- Publication number
- EP0601948B1 EP0601948B1 EP93440098A EP93440098A EP0601948B1 EP 0601948 B1 EP0601948 B1 EP 0601948B1 EP 93440098 A EP93440098 A EP 93440098A EP 93440098 A EP93440098 A EP 93440098A EP 0601948 B1 EP0601948 B1 EP 0601948B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- series
- flanges
- hollow body
- collars
- orifice
- 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
- 238000002347 injection Methods 0.000 title abstract description 12
- 239000007924 injection Substances 0.000 title abstract description 12
- 230000014759 maintenance of location Effects 0.000 title abstract 2
- 239000011324 bead Substances 0.000 description 9
- 238000004873 anchoring Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 210000003423 ankle Anatomy 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/126—Packers; Plugs with fluid-pressure-operated elastic cup or skirt
Definitions
- the present invention relates to a dowel device for injecting and retaining a treating product in a masonry wall, and more particularly the means allowing the attachment and sealing of said device.
- injection dowels which are force fitted into orifices made in the material to be treated, wood, concrete or other, to allow the injection under pressure of a treatment product, said dowels comprising an internal non-return device, such as a valve, for retaining said product.
- Existing devices generally comprise over their entire length a series of regularly spaced circular flanges, with a diameter slightly greater than that of the introduction orifice to allow anchoring.
- the flanges deform and, due to their upper circumference, undulate at the periphery, which affects the sealing and the solidity of the anchoring.
- the flanges have a certain thickness and their edge is rounded so that the wall of the introduction orifice is tangent to said rounded in order to facilitate the attachment and sealing, however, depending on the diameter of the orifice, the folding angle of the flanges varies, so that the support is sometimes made at too sharp an angle, which affects the quality of the attachment.
- the present invention aims to remedy these drawbacks by proposing a device comprising in combination means which make it possible to ensure both good attachment of the injection pin in the material to be treated and good sealing.
- the injection pin device object of the present invention which is preferably made by plastic molding, comprises an elongated slightly frustoconical hollow body, widely flared at its rear end intended to receive the injection tool, and it is essentially characterized in that said elongated hollow body comprises over its entire length a series of flanges of particular profiles according to their position in the rear part, on the side of the flare, or in the front part.
- the flanges of the rear part are perfectly circular and of a diameter greater than that of the orifice into which the device is to be introduced, with the exception of the end flange, which is a smaller diameter, barely greater than that of said orifice, in order to perfect the seal by avoiding that it is not too deformed during its introduction into said orifice.
- the flanges of the front part are non-circular, and either oblong or in the approximate shape of a cross with large branches, so as to avoid their undulation at the periphery when the dowel is clamped in the orifice .
- one flange on two of said front part comprises at the edge of its front face at least two diametrically opposite beads of substantially hemiellipsoidal shape, so that when it is enclosed in the orifice of the wall to be treated and that it folds, because of its larger diameter than that of said orifice, said bead comes to bear on the wall at an angle more acute than that of traditional flanges, which ensures better anchoring.
- the flanges of the front part are alternately oblong in shape and in the shape of a cross with large branches, and each oblong flange comprises at its two ends a substantially semi-ellipsoidal bead.
- the flanges of the front part are all in the shape of a cross with large branches and one flange in two is provided at the edge with at least two, and preferably four beads of this type.
- the beads which are provided on one of two of the flanges of the front part of the device according to the invention allow better contact with the wall of the orifice formed in the masonry, due of the shape and arrangement of said bead, which ensure contact between the wall and a rounded surface at an angle more acute than that of traditional collars.
- an injection peg device comprises an elongated hollow body 1 slightly frustoconical terminated at its rear end, intended to receive the injection tool, by a tapered flare 10.
- the elongated hollow body 1 comprises at its rear part 11 a series of circular flanges 2 regularly spaced, with a diameter greater than that of the orifice into which the injection plug must be introduced, with the exception of the flange 20 closest to the flare 10, which is smaller in diameter than the others but nevertheless slightly greater than that of said orifice.
- the elongated hollow body 1 alternately comprises oblong flanges 4 and flanges 3 in the approximate shape of a cross, that is to say that they are circular and have notches 30 delimiting branches 31.
- the end 32 of each of the branches 31 of the flanges 3 is perfectly applied against the wall of this orifice, and does not undulate as is the case for the flanges of traditional ankles.
- the oblong flanges 4 each have two branches 40, the end 41 of which is in an arc of a circle close to that of the end 32 of a branch 31 of the flanges 3.
- Each branch 40 has on its front face 42 a bead 43 of approximately semi-ellipsoidal shape.
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Civil Engineering (AREA)
- Electromagnetism (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Retaining Walls (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Adornments (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Finishing Walls (AREA)
- Dowels (AREA)
Abstract
Description
La présente invention a pour objet un dispositif de cheville pour l'injection et la retenue d'un produit traitant dans une paroi de maçonnerie, et plus particulièrement les moyens permettant l'accrochage et l'étanchéité dudit dispositif.The present invention relates to a dowel device for injecting and retaining a treating product in a masonry wall, and more particularly the means allowing the attachment and sealing of said device.
On connaît déjà, notamment du document EP-A-421 072, des chevilles d'injection qui sont emmanchées en force dans des orifices pratiqués dans la matière à traiter, bois, béton ou autre, pour permettre l'injection sous pression d'un produit de traitement, lesdites chevilles comportant un dispositif interne anti-retour, tel qu'une soupape à valve, pour la retenue dudit produit.Are already known, in particular from document EP-A-421 072, injection dowels which are force fitted into orifices made in the material to be treated, wood, concrete or other, to allow the injection under pressure of a treatment product, said dowels comprising an internal non-return device, such as a valve, for retaining said product.
Ces dispositifs présentent néanmoins assez fréquemment des défauts d'étanchéité, le produit de traitement pouvant passer entre la cheville et la paroi de l'orifice dans laquelle elle est introduite.These devices nevertheless have quite frequently leaks, the treatment product being able to pass between the pin and the wall of the orifice into which it is introduced.
Les dispositifs existants comportent généralement sur toute leur longueur une série de collerettes circulaires régulièrement espacées, d'un diamètre légèrement supérieur à celui de l'orifice d'introduction pour permettre l'ancrage. Toutefois, lorsque la cheville est introduite dans l'orifice, les collerettes se déforment et, du fait de leur circonférence supérieure, ondulent en périphérie, ce qui nuit à l'étanchéité et à la solidité de l'ancrage.Existing devices generally comprise over their entire length a series of regularly spaced circular flanges, with a diameter slightly greater than that of the introduction orifice to allow anchoring. However, when the plug is inserted into the orifice, the flanges deform and, due to their upper circumference, undulate at the periphery, which affects the sealing and the solidity of the anchoring.
D'autre part les collerettes ont une certaine épaisseur et leur bord est arrondi de façon que la paroi de l'orifice d'introduction soit tangente audit arrondi afin de faciliter l'accrochage et l'étanchéité, toutefois, selon le diamètre de l'orifice, l'angle de pliage des collerettes varie, en sorte que l'appui est réalisé parfois selon un angle trop aigu, ce qui nuit à la qualité de l'accrochage.On the other hand the flanges have a certain thickness and their edge is rounded so that the wall of the introduction orifice is tangent to said rounded in order to facilitate the attachment and sealing, however, depending on the diameter of the orifice, the folding angle of the flanges varies, so that the support is sometimes made at too sharp an angle, which affects the quality of the attachment.
La présente invention vise à remédier à ces inconvénients en proposant un dispositif comportant en combinaison des moyens qui permettent d'assurer à la fois un bon accrochage de la cheville d'injection dans le matériau à traiter et une bonne étanchéité.The present invention aims to remedy these drawbacks by proposing a device comprising in combination means which make it possible to ensure both good attachment of the injection pin in the material to be treated and good sealing.
Le dispositif de cheville d'injection objet de la présente invention, qui est de préférence réalisé par moulage en matière plastique, comporte un corps creux allongé légèrement tronconique, largement évasé à son extrémité arrière destinée à recevoir l'outil d'injection, et il se caractérise essentiellement en ce que ledit corps creux allongé comporte sur toute sa longueur une série de collerettes de profils particuliers selon leur position en partie arrière, du côté de l'évasement, ou en partie avant.The injection pin device object of the present invention, which is preferably made by plastic molding, comprises an elongated slightly frustoconical hollow body, widely flared at its rear end intended to receive the injection tool, and it is essentially characterized in that said elongated hollow body comprises over its entire length a series of flanges of particular profiles according to their position in the rear part, on the side of the flare, or in the front part.
Conformément à l'invention, les collerettes de la partie arrière sont parfaitement circulaires et d'un diamètre supérieur à celui de l'orifice dans lequel le dispositif doit être introduit, à l'exception de la collerette d'extrémité, qui est d'un diamètre plus petit, à peine supérieur à celui dudit orifice, afin de parfaire l'étanchéité en évitant qu'elle ne soit trop déformée lors de son introduction dans ledit orifice.According to the invention, the flanges of the rear part are perfectly circular and of a diameter greater than that of the orifice into which the device is to be introduced, with the exception of the end flange, which is a smaller diameter, barely greater than that of said orifice, in order to perfect the seal by avoiding that it is not too deformed during its introduction into said orifice.
Toujours conformément à l'invention, les collerettes de la partie avant sont non circulaires, et soit de forme oblongue, soit en forme approximative de croix à larges branches, de manière à éviter leur ondulation en périphérie lorsque la cheville est enserrée dans l'orifice.Still in accordance with the invention, the flanges of the front part are non-circular, and either oblong or in the approximate shape of a cross with large branches, so as to avoid their undulation at the periphery when the dowel is clamped in the orifice .
De plus, une collerette sur deux de ladite partie avant comporte en bordure de sa face avant au moins deux bourrelets diamétralement opposés de forme sensiblement hémiellipsoïdale, de manière que lorsqu'elle est enserrée dans l'orifice de la paroi à traiter et qu'elle plie, du fait de son diamètre plus important que celui dudit orifice, ledit bourrelet vienne en appui sur la paroi selon un angle plus aigu que celui des collerettes traditionnelles, ce qui assure un meilleur ancrage.In addition, one flange on two of said front part comprises at the edge of its front face at least two diametrically opposite beads of substantially hemiellipsoidal shape, so that when it is enclosed in the orifice of the wall to be treated and that it folds, because of its larger diameter than that of said orifice, said bead comes to bear on the wall at an angle more acute than that of traditional flanges, which ensures better anchoring.
Selon un premier mode de réalisation du dispositif selon l'invention, les collerettes de la partie avant sont en alternance de forme oblongue et en forme de croix à larges branches, et chaque collerette oblongue comporte à ses deux extrémités un bourrelet sensiblement hémi-ellipsoïdal.According to a first embodiment of the device according to the invention, the flanges of the front part are alternately oblong in shape and in the shape of a cross with large branches, and each oblong flange comprises at its two ends a substantially semi-ellipsoidal bead.
Selon un second mode de réalisation du dispositif selon l'invention, les collerettes de la partie avant sont toutes en forme de croix à larges branches et une collerette sur deux est munie en bordure d'au moins deux, et de préférence quatre bourrelets de ce type.According to a second embodiment of the device according to the invention, the flanges of the front part are all in the shape of a cross with large branches and one flange in two is provided at the edge with at least two, and preferably four beads of this type.
Ainsi qu'il a déjà été dit, les bourrelets dont sont munies une sur deux des collerettes de la partie avant du dispositif selon l'invention permettent d'assurer un meilleur contact avec la paroi de l'orifice ménagé dans la maçonnerie, en raison de la forme et de la disposition dudit bourrelet, qui assurent un contact entre la paroi et une surface arrondie selon un angle plus aigu que celui des collerettes traditionnelles.As has already been said, the beads which are provided on one of two of the flanges of the front part of the device according to the invention allow better contact with the wall of the orifice formed in the masonry, due of the shape and arrangement of said bead, which ensure contact between the wall and a rounded surface at an angle more acute than that of traditional collars.
Les avantages et les caractéristiques de la présente invention ressortiront plus clairement de la description qui suit et qui se rapporte au dessin annexé, lequel en représente un mode de réalisation non limitatif.The advantages and characteristics of the present invention will emerge more clearly from the description which follows and which refers to the appended drawing, which represents a non-limiting embodiment thereof.
Dans le dessin annexé:
- la figure 1 représente une vue en perspective d'un dispositif de cheville d'injection selon l'invention.
- la figure 2 représente une vue en élévation avec coupe partielle du même dispositif.
- la figure 3a représente une vue en coupe d'un détail du même dispositif lorsque celui-ci est enserré dans un orifice.
- la figure 3b représente la même vue d'un dispositif de cheville de type classique.
- Figure 1 shows a perspective view of an injection pin device according to the invention.
- 2 shows an elevational view with partial section of the same device.
- Figure 3a shows a sectional view of a detail of the same device when it is enclosed in an orifice.
- FIG. 3b represents the same view of an ankle device of the conventional type.
Si on se réfère aux figures 1 et 2, on peut voir qu'un dispositif de cheville d'injection selon l'invention comporte un corps creux allongé 1 légèrement tronconique terminé à son extrémité arrière, destinée à recevoir l'outil d'injection, par un évasement tronconique 10.If one refers to FIGS. 1 and 2, it can be seen that an injection peg device according to the invention comprises an elongated hollow body 1 slightly frustoconical terminated at its rear end, intended to receive the injection tool, by a
Le corps creux allongé 1 comporte à sa partie arrière 11 une série de collerettes circulaires 2 régulièrement espacées, d'un diamètre supérieur à celui de l'orifice dans lequel la cheville d'injection doit être introduite, à l'exception de la collerette 20 la plus proche de l'évasement 10, qui est d'un diamètre inférieur aux autres mais néanmoins légèrement supérieur à celui dudit orifice.The elongated hollow body 1 comprises at its rear part 11 a series of
Sur sa partie avant 12 le corps creux allongé 1 comporte en alternance des collerettes oblongues 4 et des collerettes 3 en forme approximative de croix, c'est-à-dire qu'elles sont circulaires et comportent des échancrures 30 délimitant des branches 31. Ainsi lorsque la cheville selon l'invention est introduite dans un orifice, l'extrémité 32 de chacune des branches 31 des collerettes 3 est parfaitement appliquée contre la paroi de cet orifice, et n'ondule pas comme c'est le cas pour les collerettes des chevilles traditionnelles.On its
Les collerettes oblongues 4 comportent chacune deux branches 40 dont l'extrémité 41 est en arc de cercle d'un rayon voisin de celui de l'extrémité 32 d'une branche 31 des collerettes 3.The
Chaque branche 40 comporte sur sa face avant 42 un bourrelet 43 de forme approximativement hémi-ellipsoidale.Each
Si on se réfère maintenant à la figure 3b, on peut voir qu'une collerette 5 traditionnelle, lorsqu'elle est introduite dans un orifice 6, se plie d'un certain angle Ó contre la paroi 60 de cet orifice. Lorsque cet angle dépasse une valeur limite le contact avec la paroi 60 ne se fait pas avec l'extrémité arrondie 50 ce qui nuit à la qualité de l'ancrage.If we now refer to FIG. 3b, we can see that a
Si on se réfère à la figure 3a, on voit que dans le cas d'une collerette 4 du dispositif selon l'invention, du fait de la présence du bourrelet 43, la paroi 60 est toujours en contact avec ledit bourrelet 43, même pour un angle Ó' supérieur à l'angle Ó, ce qui garantit un meilleur ancrage.If we refer to Figure 3a, we see that in the case of a
Il va de soi que la présente invention ne saurait être limitée à la description qui précède d'un de ses modes de réalisation, susceptible de subir un certain nombre de modifications sans pour autant sortir du cadre de l'invention.It goes without saying that the present invention cannot be limited to the preceding description of one of its embodiments, capable of undergoing a certain number of modifications without departing from the scope of the invention.
Claims (3)
- Plugging device for injecting and retaining a treatment product in a masonry wall, of the type comprising a slightly truncated elongated hollow body (1) provided at its rear end with a truncated bell-mouth (10) and, over its whole length, with a series of collars, characterised in that said elongated hollow body (1) comprises on its rear part (11) a series of circular collars (2) spaced out at an even distance from one another, with a diameter greater than that of the hole in which the device has to be inserted, except for the end collar (20) which has a diameter which is smaller than the others but nevertheless slightly bigger than that of said hole; and in that on its front part (12) it comprises a series of collars (3, 4) which are either oblong shaped or in the approximate shape of a cross with wide branches, every second cross in this series comprising at least two substantially hemi-ellipsoidal shaped diametrical rolls (43) on the edge of its front side.
- Device according to claim 1, wherein the elongated hollow body (1) comprises on its front part, alternating collars (3) in the approximate shape of a cross with wide branches and oblong shaped collars (4), the latter each comprising a roll (43) at both ends.
- Device according to claim 1, wherein the elongated hollow body (1) comprises on its front part, collars (3) in the approximate shape of a cross with wide branches, every second one of which comprises at least two and preferably four rolls (43) on the edge of its front side.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9214998 | 1992-12-09 | ||
| FR9214998A FR2698899B1 (en) | 1992-12-09 | 1992-12-09 | Dowel device for injecting and retaining a treating product in a masonry wall. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0601948A1 EP0601948A1 (en) | 1994-06-15 |
| EP0601948B1 true EP0601948B1 (en) | 1997-04-02 |
Family
ID=9436528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP93440098A Expired - Lifetime EP0601948B1 (en) | 1992-12-09 | 1993-12-09 | Plugging device for the injection and retention of a treatment product in a masonry wall |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5564244A (en) |
| EP (1) | EP0601948B1 (en) |
| AT (1) | ATE151151T1 (en) |
| DE (1) | DE69309408T2 (en) |
| ES (1) | ES2101986T3 (en) |
| FR (1) | FR2698899B1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29603059U1 (en) * | 1996-02-21 | 1996-04-11 | Schreiner, Klaus, 34246 Vellmar | Foldable injection packer for hole closures in masonry, concrete components, wood or the like. |
| DE102012016023B4 (en) * | 2012-08-13 | 2015-10-29 | Köster Bauchemie AG | Slats Schlagpacker |
| DE102012016024A1 (en) * | 2012-08-13 | 2014-02-13 | Köster Bauchemie AG | Packer for pressing injectables in cracks and cavities in concrete, stone, has closing device for closing cross-section of longitudinal borehole and is arranged on side of insertion end and has non-return valve that is rectangular |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1971726A (en) * | 1933-07-05 | 1934-08-28 | Anna M Percival | Expansion bolt |
| GB455280A (en) * | 1935-04-13 | 1936-10-13 | John Joseph Rawlings | Improvements relating to wall plugs |
| NL121225C (en) * | 1963-03-20 | 1900-01-01 | ||
| US3548554A (en) * | 1969-04-21 | 1970-12-22 | Spanel Abram Nathaniel | Locking sleeves and rings for use in concrete construction |
| DE2633434C2 (en) * | 1976-07-24 | 1981-04-30 | Diehl GmbH & Co, 8500 Nürnberg | Lost stopper |
| US4162079A (en) * | 1978-02-02 | 1979-07-24 | Parker-Hannifin Corporation | Resilient packing ring and assembly |
| GB2137273B (en) * | 1983-03-30 | 1986-08-06 | Alan Geoffrey Barnett | Improvements in or relating to wall ties |
| US4509884A (en) * | 1983-05-02 | 1985-04-09 | Lily Corporation | Injection nozzle for adhesive materials |
| GB8519917D0 (en) * | 1985-08-08 | 1985-09-18 | Birchwood Products Ltd | Plugs |
| FR2589920A1 (en) * | 1985-11-08 | 1987-05-15 | Marais Marinox | Frame for a scaffold such as a bracket made of tubes |
| US4812193A (en) * | 1986-12-22 | 1989-03-14 | Gauron Richard F | Inset panel fastener and method of using |
| JPS6414912U (en) * | 1987-07-16 | 1989-01-25 | ||
| DE3936040A1 (en) * | 1989-09-07 | 1991-05-29 | Fischer Artur Werke Gmbh | INJECTION PACKER FOR INJECTING RESIN IN CONCRETE Cracks |
| US5145301A (en) * | 1991-02-13 | 1992-09-08 | Akio Yamamoto | Nail sustainer |
| US5366672A (en) * | 1993-03-18 | 1994-11-22 | Erico International Corporation | Method of forming concrete structures with a grout splice sleeve which has a threaded connection to a reinforcing bar |
-
1992
- 1992-12-09 FR FR9214998A patent/FR2698899B1/en not_active Expired - Fee Related
-
1993
- 1993-11-02 US US08/146,318 patent/US5564244A/en not_active Expired - Fee Related
- 1993-12-09 EP EP93440098A patent/EP0601948B1/en not_active Expired - Lifetime
- 1993-12-09 AT AT93440098T patent/ATE151151T1/en not_active IP Right Cessation
- 1993-12-09 DE DE69309408T patent/DE69309408T2/en not_active Expired - Fee Related
- 1993-12-09 ES ES93440098T patent/ES2101986T3/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| ATE151151T1 (en) | 1997-04-15 |
| FR2698899A1 (en) | 1994-06-10 |
| EP0601948A1 (en) | 1994-06-15 |
| FR2698899B1 (en) | 1995-03-10 |
| US5564244A (en) | 1996-10-15 |
| DE69309408T2 (en) | 1997-10-09 |
| DE69309408D1 (en) | 1997-05-07 |
| ES2101986T3 (en) | 1997-07-16 |
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| CH341761A (en) | Sealing device |
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