EP0698450B1 - Cutting pliers for plastic profiles, rubber gaskets and the like - Google Patents
Cutting pliers for plastic profiles, rubber gaskets and the like Download PDFInfo
- Publication number
- EP0698450B1 EP0698450B1 EP95400962A EP95400962A EP0698450B1 EP 0698450 B1 EP0698450 B1 EP 0698450B1 EP 95400962 A EP95400962 A EP 95400962A EP 95400962 A EP95400962 A EP 95400962A EP 0698450 B1 EP0698450 B1 EP 0698450B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- blade
- pliers according
- anvil
- pliers
- levers
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B17/00—Hand cutting tools, i.e. with the cutting action actuated by muscle power with two jaws which come into abutting contact
Definitions
- the present invention relates to cutting pliers which can be used in particular for cutting profiles plastic used in building as well than rubber seals and the like.
- Profiles or joints must be able to present cuts straight as well as miter cuts, possibly following several angles, so that they can be assembled end to end tip on the very place of use and by making that said profiles seem to ensure perfect continuity.
- the cutting pliers for plastic profiles, rubber seals and analogues includes the features of claim 1.
- Figs. 1 to 3 illustrate a wall tile produced using of tiles 1 fixed to the wall 2 with an appropriate adhesive.
- the tiles 1, clearly visible in fig. 1, can be manufactured in different materials, for example glazed baked clay and it appears in this case, if we refer to fig. 3, that side 1a is suitably treated while the side edges 1b receive little varnish, which makes them more or less porous.
- the partial varnishing described above of the tiles constitutes in a sense an economy and, moreover, it allows a better adhesion of the glue 3 on the side edges and the back side and therefore better hold of the tiles on the walls 2.
- Profile 4 must be cut very precisely at end, also at the junction part 5 which requires a 45 ° cut of the two sections of profile to be joined to ensure continuity of recovery of the last row of tiles.
- Figs. 4 and 5 illustrate a clamp according to the invention which makes it possible to make straight cuts and cuts angle of various plastic profiles, especially thermoplastic material extruded so, in particular, to use the cut profiles as described in what precedes.
- the clamp illustrated has two levers 6, 7 constituted by metal sections folded substantially longitudinally U-shaped. These sections, one of which, section 7, is narrower than the other, profile 6, are engaged one in the other and articulated on an axis 8.
- a leaf spring 9 or the like is provided in one of the levers, the one designated by 6 in the drawing, to rest on the other lever and thus tend to separate these two levers.
- the lever 6 which ends in two branches 10, one of which only is visible, forms a support at its end for an anvil 11 which is preferably made of material synthetic, for example polyurethane or elastomer.
- the anvil 11 has a bordered flat top, at its rear part, by two raised edges 12, 13 extending at right angles relative to each other.
- the end of the lever 6 is also advantageous for the end of the lever 6 to form a stop, as illustrated in 6a, which corresponds to a layout 14, for example a groove provided in the sole of the anvil 11, to constitute a benchmark.
- the lever 7 supports, through the axis 8 and a stop 15, a blade holder 16 which has a housing 17 formed by a stamped clearly visible in fig. 6 for a blade 18 centered against pins 19.
- the blade 18 is preferably in the shape of a trapezoid and of a type commonly found in commerce for serve as a blade for so-called cutters.
- the blade 18 has, for this purpose, on its upper edge of the notches 19 and sets of holes 19a for its adaptation to multiple devices.
- the blade 18 is held on the blade holder 16 by a plywood 20 and a clamping bolt 21 passing through the plywood through a hole 26 and screwed into a female thread 27 or analog of the blade holder 16.
- the pins 19 also provide centering the plywood by resting on the top of the blade.
- the bolt 21 can be of any type, for example ear, to allow its handling without any tool, or well it can be of a hexagon type, as shown, or of another type.
- the plywood 20 comprises laterally protrusions 27 projecting rearward and forming stops pressing against the ends of the edge upper part of blade 18. In this way, blade 18 cannot in no case rotate even when subjected to irregular forces, for example when cutting a workpiece by one of its lateral edges.
- the blade 18, being disposed in a housing of the blade holder 16, is, except for its sharp edge, covered by the counterplate 20, which ensures its protection and that of users. Furthermore, as illustrated in particular by fig. 4, the blade holder 16 has, at its front part, a beak 22 extending beyond the front point of the cutting edge of blade 18. Thus, neither of the ends of the blade 18 is not easily accessible since the end opposite to that protected by the spout 22 is by the part rear 16a of the blade holder 16, as illustrated in FIG. 4.
- the spout 22 defines with the blade 18 a notch of clearance 28 wide enough for a part cut by the front end of the cutting edge cannot be marked by the blade holder.
- the blade 18 cuts the profile at a 45 ° angle.
- the profile is then set up against the raised edge 12 and the same operation is repeated.
- the profile is arranged to follow route 14 while resting on the stop 6a. Cutting takes place in the same way as described in the above.
- the assembly described above of the blade 18 on the blade holder 16 allows the blade 18 to be turned over so that its two ends can be used successively. This is done by simple loosening of bolt 21 and lifting of the counterplate 20.
- the blade 18 is changed with a new blade. same way and without more difficulty.
- the clamp described above can be provided with different types of locks to keep it in the closed position to protect the blade and avoid accidents.
- the lock can be produced, as illustrated in FIG. 4, and have a pivoting finger 23 about an axis 24 to be able to be engaged in a notch 25 in lever 6 when the blade 18 is brought against the anvil 11.
- the anvil 11 can be constituted by two sectors articulated with respect to each other and with respect to at a reporter graduation to allow different angular settings.
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Scissors And Nippers (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Knives (AREA)
- Sealing Material Composition (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
Description
La présente invention concerne une pince à découper qui est utilisable en particulier pour le découpage de profilés en matière plastique utilisés dans le bâtiment ainsi que de joints caoutchouteux et analogues.The present invention relates to cutting pliers which can be used in particular for cutting profiles plastic used in building as well than rubber seals and the like.
Dans de nombreux cas, il est nécessaire de pouvoir découper de façon très précise et très nette des profilés en matière plastique. C'est le cas des profilés creux qui sont utilisés en carrelage pour recouvrir le bord des rangées terminales de carreaux muraux. C'est le cas aussi de joints d'étanchéité pour des baies, des fenêtres, des portes, des vitrages à couches multiples, etc.In many cases it is necessary to be able to cut out very precisely and clearly profiles of material plastic. This is the case of the hollow profiles which are used tiled to cover the edge of the final rows of wall tiles. This is also the case with seals for windows, windows, doors, glazing multiple layers, etc.
Les profilés ou joints doivent pouvoir présenter des coupes droites de même que des coupes d'onglet, éventuellement suivant plusieurs angles, pour pouvoir être assemblés bout à bout sur le lieu même d'utilisation et en faisant que lesdits profilés paraissent assurer une continuité parfaite. Profiles or joints must be able to present cuts straight as well as miter cuts, possibly following several angles, so that they can be assembled end to end tip on the very place of use and by making that said profiles seem to ensure perfect continuity.
On connaít cependant par FR-A-656 943 une pince à découper comportant deux leviers (a,c) articulés entre eux par un axe (f), dans lequel l'un des leviers (c) supporte une enclume (d) tandis que l'autre levier (a) est muni d'un porte-lames sur lequel une lame (b) est fixée de façon amovible.We know however from FR-A-656 943 a pliers cut with two levers (a, c) articulated between them by an axis (f), in which one of the levers (c) supports an anvil (d) while the other lever (a) has a blade holder on which a blade (b) is removably attached.
Cependant, dans la réalisation ci-dessus, aucun moyen n'est prévu pour maintenir les leviers écartés ni pour protéger l'extrémité de la lame, de sorte que la pince constitue un objet peu pratique et relativement dangereux.However, in the above embodiment, no way is not intended to keep the levers apart or for protect the end of the blade, so that the pliers is an impractical and relatively dangerous.
Conformément à l'invention, la pince à découper pour profilés en matière plastique, joints caoutchouteux et analogues, comporte les caractéristiques de la revendication 1.In accordance with the invention, the cutting pliers for plastic profiles, rubber seals and analogues, includes the features of claim 1.
Diverses autres caractéristiques de l'invention ressortent d'ailleurs de la description détaillée qui suit.Various other features of the invention appear moreover from the detailed description which follows.
Une forme de réalisation de l'objet de l'invention est
représentée,
à titre d'exemple non limitatif, aux dessins
annexés.
Les fig. 1 à 3 illustrent un carrelage mural réalisé au moyen
de carreaux 1 fixés au mur 2 par une colle appropriée. Les
carreaux 1, bien visibles à la fig. 1, peuvent être fabriqués
en différentes matières, par exemple en argile cuite émaillée
et il apparait dans ce cas, si l'on se réfère à la fig. 3,
que la face 1a est convenablement traitée tandis que les
bords latéraux 1b reçoivent peu de vernis, ce qui les rend
plus ou moins poreux. Il en est de même de la face arrière 1c
qui, le plus souvent. est laissée brute.Figs. 1 to 3 illustrate a wall tile produced using
of tiles 1 fixed to the
Le vernissage partiel décrit ci-dessus des carreaux constitue
dans un sens une économie et, par ailleurs, cela permet un
meilleur accrochage de la colle 3 sur les bords latéraux et
la face arrière et donc une meilleure tenue des carreaux sur
les murs 2.The partial varnishing described above of the tiles constitutes
in a sense an economy and, moreover, it allows a
better adhesion of the
Dans ce qui précède, par vernis, il faut comprendre toutes les matières de recouvrement, c'est-à-dire d'une façon générale, les émaux. Pour tenir compte de ce qui précède et assurer une bonne finition du carrelage mural lorsque ce carrelage ne doit pas être réalisé jusqu'au plafond, il est habituel de recouvrir la dernière rangée de carreaux par un profilé 4 qui, le plus souvent, est un profilé extrudé en matière thermoplastique dont la couleur est sensiblement la même que celle du carrelage.In the above, by varnish, we must understand all covering materials, that is to say in general, enamels. To take into account the above and ensure a good finish of the wall tiles when this tiling should not be done up to the ceiling, it is usual to cover the last row of tiles with a profile 4 which, most often, is an extruded profile in thermoplastic material whose color is substantially the same as that of tiling.
En considérant les fig. 1 et 2, il y a lieu de constater que, dans presque tous les cas, le carrelage doit s'étendre sur des murs qui font, entre eux, un angle, le plus souvent un angle de 90°.Considering fig. 1 and 2, it should be noted that, in almost all cases, the tiling should extend over walls which form an angle between them, most often a 90 ° angle.
Le profilé 4 doit être coupé de façon très précise à son
extrémité, également à la partie de jonction 5 qui nécessite
une découpe à 45° des deux tronçons de profilé devant être
accolés pour assurer la continuité du recouvrement de la
dernière rangée de carreaux.Profile 4 must be cut very precisely at
end, also at the
Les fig. 4 et 5 illustrent une pince suivant l'invention qui rend possible de réaliser des coupes droites et des coupes d'angle de profilés divers en matière plastique, notamment en matière thermoplastique extrudée afin, en particulier, d'utiliser les profilés découpés de la manière décrite dans ce qui précède.Figs. 4 and 5 illustrate a clamp according to the invention which makes it possible to make straight cuts and cuts angle of various plastic profiles, especially thermoplastic material extruded so, in particular, to use the cut profiles as described in what precedes.
La pince illustrée comporte deux leviers 6, 7 constitués par
des profilés métalliques pliés longitudinalement sensiblement
en forme de U. Ces profilés, dont l'un, le profilé 7, est
plus étroit que l'autre, le profilé 6, sont engagés l'un dans
l'autre et articulés sur un axe 8.The clamp illustrated has two
Un ressort-lame 9 ou analogue est prévu dans l'un des leviers,
celui désigné par 6 au dessin, pour prendre appui sur
l'autre levier et tendre ainsi à écarter ces deux leviers.A
Le levier 6 qui se termine par deux branches 10, dont une
seule est apparente, forme un support à son extrémité pour
une enclume 11 qui est de préférence réalisée en matière
synthétique, par exemple en polyuréthane ou en élastomère.The
L'enclume 11 présente un dessus plan bordé, à sa partie arrière,
par deux bords relevés 12, 13 s'étendant à angle droit
l'un par rapport à l'autre.The
Il est avantageux également que l'extrémité du levier 6 forme
une butée, comme illustrée en 6a, qui corresponde à un tracé
14, par exemple une rainure prévue dans la semelle de l'enclume
11, pour constituer un repère. Le levier 7 supporte,
par l'intermédiaire de l'axe 8 et d'une butée 15, un porte-lames
16 qui présente un logement 17 formé par un embouti
bien visible à la fig. 6 pour une lame 18 centrée contre des
pions 19. La lame 18 est, de préférence, en forme de trapèze
et d'un type se trouvant couramment dans le commerce pour
servir en tant que lame d'appareils à découper dits cutters.
La lame 18 présente, à cet effet, sur son bord supérieur des
encoches 19 et des jeux de trous 19a pour son adaptation à
plusieurs appareils.It is also advantageous for the end of the
La lame 18 est maintenue, sur le porte-lames 16, par une
contreplaque 20 et un boulon de serrage 21 traversant la
contreplaque par un trou 26 et vissé dans un taraudage 27 ou
analogue du porte-lames 16. Les pions 19 assurent également
le centrage de la contreplaque en prenant appui sur le dessus
de la lame.The
Le boulon 21 peut être d'un type quelconque, par exemple à
oreille, pour permettre son maniement sans aucun outil, ou
bien il peut être d'un type à six pans, comme représenté, ou
d'un autre type.The
Pour empêcher tout mouvement rotatif de la lame 18 par
rapport au porte-lames 16, la contreplaque 20 comporte
latéralement des protubérances 27 saillant vers l'arrière et
formant des butées s'appliquant contre les extrémités du bord
supérieur de la lame 18. De cette façon, la lame 18 ne peut
en aucun cas pivoter même lorsqu'elle est soumise à des
efforts irréguliers, par exemple lors de la coupe d'une pièce
par l'un de ses bords latéraux.To prevent any rotary movement of the
La lame 18, étant disposée dans un logement du porte-lames
16, est, à l'exception de son bord tranchant, recouverte par
la contreplaque 20, ce qui assure sa protection et celle des
usagers. Par ailleurs, ainsi que l'illustre en particulier la
fig. 4, le porte-lames 16 présente, à sa partie antérieure,
un bec 22 s'étendant au-delà de la pointe avant du tranchant
de la lame 18. Ainsi, ni l'une ni l'autre des extrémités de
la lame 18 n'est accessible facilement puisque l'extrémité
opposée à celle protégée par le bec 22 l'est par la partie
arrière 16a du porte-lames 16, ce qu'illustre bien la fig. 4.The
En outre, le bec 22 délimite avec la lame 18 une encoche de
dégagement 28 suffisamment large pour qu'une pièce coupée par
l'extrémité avant du tranchant de la lame ne puisse pas être
marquée par le porte lame.In addition, the
Lorsqu'on désire découper un profilé, celui-ci est posé sur
l'enclume 11, par exemple comme illustré pour le profilé 4, à
la fig. 5, c'est-à-dire qu'il est appliqué contre l'un des
bords relevés de l'enclume, en l'occurrence, le bord 13.When you want to cut a profile, it is placed on
the
En rapprochant les leviers 6, 7 serrés à la main, la lame 18
tronçonne le profilé suivant un angle à 45°.By bringing the
Pour réaliser un assemblage d'équerre, le profilé est ensuite
mis en place contre le bord relevé 12 et la même opération
est répétée.To make a square assembly, the profile is then
set up against the raised
Lorsqu'une coupe droite doit être réalisée, le profilé est
disposé pour suivre le tracé 14 tout en étant en appui sur la
butée 6a. Le tronçonnage a lieu de même manière que décrit
dans ce qui précède.When a straight cut is to be made, the profile is
arranged to follow
D'une façon générale, c'est le tranchant de la lame 18 qui se
trouve le plus près de la butée 16a qui est le plus
rapidement usé.In general, it is the edge of the
Le montage décrit ci-dessus de la lame 18 sur le porte-lames
16 permet de retourner la lame 18 pour que ses deux extrémités
soient utilisables successivement. Cela se fait par
simple desserrage du boulon 21 et soulèvement de la contre-plaque
20.The assembly described above of the
Le changement de la lame 18 par une lame neuve s'effectue de
même manière et sans plus de difficulté.The
La pince décrite ci-dessus peut être munie de différents
types de verrou pour la maintenir en position fermée afin de
protéger la lame et éviter tout accident. A titre d'exemple,
le verrou peut être réalisé, comme illustré à la fig. 4, et
comporter un doigt pivotant 23 autour d'un axe 24 pour
pouvoir être engagé dans une encoche 25 du levier 6 lorsque
la lame 18 est amenée contre l'enclume 11. The clamp described above can be provided with different
types of locks to keep it in the closed position to
protect the blade and avoid accidents. For exemple,
the lock can be produced, as illustrated in FIG. 4, and
have a pivoting
L'invention n'est pas limitée à l'exemple de réalisation,
représenté et décrit en détail, car diverses modifications
peuvent y être apportées sans sortir de son cadre. En
particulier, l'enclume 11 peut être constituée par deux
secteurs articulés l'un par rapport à l'autre et par rapport
à une graduation de rapporteur pour permettre différents
calages angulaires.The invention is not limited to the embodiment,
shown and described in detail because various modifications
can be made without departing from its scope. In
particular, the
Claims (12)
- Cutting pliers for plastic profiles, rubber gaskets and the like, comprising two levers (6, 7) articulated to each other on an axis (8), in which one (6) of the levers supports an anvil (11) while the other lever (7) is provided with a blade carrier (16) on which a blade (18) is fixed in a removable manner, characterized in that the levers (6, 7) are biased apart by a spring (9) and in that the blade carrier defines a protective beak (22) at its end, said beak extending beyond end of the blade (18) the free end of which is thus protected by the beak.
- Pliers according to claim 1, characterized in that the beak forms a protected disengagement groove (28).
- Pliers according to claim 1 or 2, characterized in that the blade (7) is a standard blade usually used with cutting devices.
- Pliers according to one of claims 1 to 3, characterized in that the blade is held by centring studs (19) that also maintain a counter-plate (20) pressed against the blade carrier (16) via a removable nut (21).
- Pliers according to claim 4, characterized in that the counter-plate (20) is formed with prominent protusions (27) to prevent pivoting motion of the blade (18).
- Pliers according to one of claims 1 to 5, characterized in that the blade (18) is disposed in a recessed area (17) of the blade carrier (16).
- Pliers according to one of claims 1 to 6, characterized in that the anvil (11) is formed with a plate the rear edges of which define standing-up edges (12, 13) disposed at right angles.
- Pliers according to one of claims 1 to 7, characterized in that the anvil is made of a synthetic material, typically polyurethane or elastomer.
- Pliers according to one of claims 1 to 8, characterized in that the anvil bears a mark (14) for execution of straight cuts.
- Pliers according to one of claims 6 to 9, characterized in that the recessed area (17) that contains the blade is symmetrical to allow mounting said blade in any direction.
- Pliers according to one of claims 1 to 10, characterized by a latch (23) for keeping the pliers in a closed condition.
- Pliers according to one of claims 1 to 11, characterized in that the anvil (11) is formed by sectors that are provided with a graduation.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9410213A FR2723874B1 (en) | 1994-08-23 | 1994-08-23 | CUTTING FORCEPS FOR PLASTIC PROFILES, RUBBER JOINTS AND THE LIKE |
FR9410213 | 1994-08-23 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0698450A1 EP0698450A1 (en) | 1996-02-28 |
EP0698450B1 true EP0698450B1 (en) | 1999-03-24 |
EP0698450B2 EP0698450B2 (en) | 2001-10-24 |
Family
ID=9466440
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95400962A Expired - Lifetime EP0698450B2 (en) | 1994-08-23 | 1995-04-27 | Cutting pliers for plastic profiles, rubber gaskets and the like |
Country Status (9)
Country | Link |
---|---|
US (1) | US5673487A (en) |
EP (1) | EP0698450B2 (en) |
AT (1) | ATE177984T1 (en) |
AU (1) | AU2012395A (en) |
DE (2) | DE698450T1 (en) |
DK (1) | DK0698450T4 (en) |
ES (1) | ES2133173T5 (en) |
FR (1) | FR2723874B1 (en) |
GR (1) | GR3030599T3 (en) |
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US1908851A (en) * | 1931-06-02 | 1933-05-16 | Robert M Lafever | Safety razor carton opener |
US2530216A (en) * | 1945-06-26 | 1950-11-14 | Appel Gustave | Corn and callous remover |
US2582736A (en) * | 1948-02-20 | 1952-01-15 | Leonard Rettinger | Door-gasket corner cutting tool |
US3431645A (en) * | 1967-05-29 | 1969-03-11 | Alfred H Powell | Electrician's tool for removing insulation from wires |
US3457643A (en) * | 1967-08-02 | 1969-07-29 | Forrest L Hill | Shield for a wire harness string tie cutting tool |
US3448519A (en) * | 1967-08-08 | 1969-06-10 | Philip E Tobias | Controlled depth cutter |
US4106195A (en) * | 1977-05-23 | 1978-08-15 | Minnesota Mining And Manufacturing Company | Hand tool for cutting and forming aesthetic ends on decorative molding |
US4272888A (en) * | 1979-12-17 | 1981-06-16 | Hartmeister Ruben J | Parallel action cutting hand tool |
ATE4375T1 (en) * | 1980-02-23 | 1983-08-15 | Dolan Corrugated Containers Limited | ROTARY PUNCHING TOOL. |
-
1994
- 1994-08-23 FR FR9410213A patent/FR2723874B1/en not_active Expired - Fee Related
-
1995
- 1995-04-27 DE DE0698450T patent/DE698450T1/en active Pending
- 1995-04-27 DK DK95400962T patent/DK0698450T4/en active
- 1995-04-27 AT AT95400962T patent/ATE177984T1/en not_active IP Right Cessation
- 1995-04-27 ES ES95400962T patent/ES2133173T5/en not_active Expired - Lifetime
- 1995-04-27 DE DE69508494T patent/DE69508494T3/en not_active Expired - Fee Related
- 1995-04-27 EP EP95400962A patent/EP0698450B2/en not_active Expired - Lifetime
- 1995-05-17 AU AU20123/95A patent/AU2012395A/en not_active Abandoned
- 1995-05-19 US US08/446,035 patent/US5673487A/en not_active Expired - Fee Related
-
1999
- 1999-06-23 GR GR990401682T patent/GR3030599T3/en unknown
Also Published As
Publication number | Publication date |
---|---|
FR2723874A1 (en) | 1996-03-01 |
ES2133173T5 (en) | 2002-05-01 |
DK0698450T3 (en) | 1999-10-11 |
EP0698450B2 (en) | 2001-10-24 |
FR2723874B1 (en) | 1996-09-27 |
DE698450T1 (en) | 1998-08-13 |
DE69508494D1 (en) | 1999-04-29 |
AU2012395A (en) | 1996-03-07 |
GR3030599T3 (en) | 1999-10-29 |
EP0698450A1 (en) | 1996-02-28 |
ATE177984T1 (en) | 1999-04-15 |
ES2133173T3 (en) | 1999-09-01 |
DK0698450T4 (en) | 2002-02-18 |
US5673487A (en) | 1997-10-07 |
DE69508494T2 (en) | 1999-11-18 |
DE69508494T3 (en) | 2002-06-20 |
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