FR2549923A1 - CABLE CLAMP - Google Patents
CABLE CLAMP Download PDFInfo
- Publication number
- FR2549923A1 FR2549923A1 FR8412375A FR8412375A FR2549923A1 FR 2549923 A1 FR2549923 A1 FR 2549923A1 FR 8412375 A FR8412375 A FR 8412375A FR 8412375 A FR8412375 A FR 8412375A FR 2549923 A1 FR2549923 A1 FR 2549923A1
- Authority
- FR
- France
- Prior art keywords
- cable clamp
- head
- eyelet
- flexible
- cable
- 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.)
- Pending
Links
- 239000007787 solid Substances 0.000 claims description 16
- 229920002457 flexible plastic Polymers 0.000 claims 1
- 239000004033 plastic Substances 0.000 abstract description 5
- 239000002184 metal Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/22—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals
- F16L3/23—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals for a bundle of pipes or a plurality of pipes placed side by side in contact with each other
- F16L3/233—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals for a bundle of pipes or a plurality of pipes placed side by side in contact with each other by means of a flexible band
- F16L3/2332—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals for a bundle of pipes or a plurality of pipes placed side by side in contact with each other by means of a flexible band having a single plastic locking barb
- F16L3/2334—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals for a bundle of pipes or a plurality of pipes placed side by side in contact with each other by means of a flexible band having a single plastic locking barb the barb having a plurality of serrations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G11/00—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes
- F16G11/10—Quick-acting fastenings; Clamps holding in one direction only
- F16G11/105—Clamps holding in one direction only
- F16G11/106—Clamps holding in one direction only using a toothed surface
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
- Installation Of Indoor Wiring (AREA)
- Package Frames And Binding Bands (AREA)
Abstract
CE FLEXIBLE SERRE-CABLE DE FRETTAGE DE MATIERE PLASTIQUE DESTINE A GROUPER UN CERTAIN NOMBRE D'ELEMENTS FILIFORMES 8, COMPREND UN RUBAN 1 AYANT UNE PORTION DE SURFACE DETERMINEE MUNIE DE SAILLIES 2 EN FORME DE DENTS ET, A UNE EXTREMITE, UNE TETE A OEILLET 3 AYANT UNE SURFACE INTERIEURE INCLINEE 10. LA TETE A OEILLET 3 PRESENTE UN CORPS MOBILE 5 MUNI A L'AVANT D'UN ELEMENT D'ACCROCHAGE UNIDIRECTIONNEL AVEC LA PARTIE CRANTEE 2 DU RUBAN 1 ET, A L'ARRIERE, D'UN ELEMENT FORME DE PLANS INCLINES 7, SITUES EN FACE DU PLAN INCLINE 10 DE L'OEILLET. PLUS L'ANNEAU FORME PAR LE SERRE-CABLE SUBIT UNE TRACTION ELEVEE, PLUS CES ELEMENTS SERRENT LE CORPS DU SERRE-CABLE DANS LA TETE.THIS PLASTIC FRETAGE CABLE CLAMP INTENDED TO GROUP A CERTAIN NUMBER OF FILAMENT ELEMENTS 8, INCLUDES A TAPE 1 HAVING A DETERMINED SURFACE PORTION PROVIDED WITH 2 TEETH-SHAPED PROJECTS AND, AT ONE END, AN EYE HEAD 3 HAVING AN INCLINED INTERIOR SURFACE 10. THE EYELET HEAD 3 HAS A MOVABLE BODY 5 EQUIPPED AT THE FRONT OF A UNIDIRECTIONAL HITCHING ELEMENT WITH THE NOTCHED PART 2 OF THE TAPE 1 AND, AT THE REAR, WITH AN ELEMENT FORM OF INCLINED PLANS 7, SITUATED IN FRONT OF THE INCLINED PLANE 10 OF THE EYELET. THE MORE THE RING SHAPED BY THE CABLE CLAMP UNDERGOES HIGH TENSION, THE MORE THESE ELEMENTS TIGHTEN THE BODY OF THE CABLE CLAMP INTO THE HEAD.
Description
SERPE-CABLE DE FRETTAGE.CABLE TIE FOR FREIGHT.
Pour grouper des éléments filiformes continus, il faut disposer d'un élément flexible qui puisse fretter le faisceau, se serrer autour de lui et être noué de manière définitive. En particulier, c'est le cas des câbles électriques à fretter entre eux dans les armoires électriques, tout au long des lignes de distribution et d'alimentation d'appareillage ou des lignes de connexion électriques ou téléphoniques. 10 Le serre- câble fermé prend une forme à peu près annulaire continue et résiste plus ou moins aux efforts d'ouverture, c'est-à-dire aux efforts qui tendent à désenfiler le corps To group continuous filiform elements, it is necessary to have a flexible element which can hoop the beam, to tighten around it and to be knotted definitively. In particular, this is the case of the electric cables to be sheathed together in the electrical cabinets, along the lines of distribution and supply of equipment or electrical or telephone connection lines. The closed cable tie has a substantially continuous annular shape and more or less withstands the efforts of opening, that is to say the efforts that tend to straighten the body.
du serre-câble de la tête.the cable tie of the head.
On connaît des modèles de serre-câble dans lesquels la tête à oeillet ne forme pas un corps unique avec le ruban, mais est mobile, quoique inséparable à une extrémité du serrecâble On connaît aussi des modèles dans lesquels la tête à 20 oeillet forme un corps unique avec le serrecâble et contient un arrêtoir de non-retour métallique ou bien un arrêtoir de non-retour du corps du serre-câble Tous les modèles actuels sont néanmoins pourvus d'un serrage du corps du serre-câble ayant une résistance mécanique élevée, soit 25 par leur forme, soit par la juxtaposition réciproque des éléments de serrage, car ils viennent d'être éloignés l'un l'autre par les efforts d'ouverture de l'anneau formé par le serre-câble, ce qui endommage l'arrêtoir de non-retour et, par conséquent, fait désenfiler le corps du serre-câble de sa tête. La traction sur l'anneau pour laquelle le serre-câble serré s'ouvre est prise comme valeur de la résistance mécanique du serre-câble, tandis que la résistance mécanique vraie 10 (c'est-à-dire la charge de rupture à la traction) du corps Strainer designs are known in which the eyelet head does not form a single body with the ribbon, but is movable, though inseparable at one end of the cable clamp. Models are also known in which the eyelet head forms a body. unique with the cable clamp and contains a metal non-return stop or a non-return stop of the body of the cable clamp All current models are nonetheless provided with a tightening of the body of the cable clamp having a high mechanical resistance, either by their shape or by the reciprocal juxtaposition of the clamping elements, since they have just been moved apart by the opening forces of the ring formed by the cable clamp, which damages the stop-check and, therefore, has the body of the cable tie removed from its head. The pull on the ring for which the tight cable clamp opens is taken as the value of the mechanical strength of the cable tie, while the true mechanical strength (i.e. the breaking load on the traction) of the body
du serre-câble est toujours bien plus élevée. the cable clamp is always much higher.
L'accrochage de la tête se révèle donc être l'élément de The hanging of the head is therefore the element of
faiblesse du dispositif.weakness of the device.
Selon la présente invention au contraire, il est possible d'obtenir des serre-câbles avec un haut pouvoir de rétention et absolument fiables, grace à deux simultanées particularités qui concernent la tête. According to the present invention on the contrary, it is possible to obtain clamps with a high retention power and absolutely reliable, thanks to two simultaneous particularities that concern the head.
La première particularité consiste dans le remplacement de l'arrêtoir métallique ou plastique cranté habituel, existant dans la tête pour le serrage de serre-câble, par un corps solide moulé solidairement avec la tête au moyen d'un 25 cordon qui lui permet de se soulever vers le haut et vers l'arrière pour faire place au corps du serre-câble, qui est The first particularity consists in the replacement of the usual metal or plastic notched stopper, existing in the head for the clamping of the cable clamp, by a solid body integrally molded with the head by means of a cord which enables it to lift up and back to make way for the body of the strain relief, which is
introduit et passé dans l'ouverture appropriée de la tête. introduced and passed through the appropriate opening of the head.
Le serre-câble présente sa partie crantée vers le corps 30 solide, dont la surface en regard est crantée pour permettre un encliquetage parfait des deux surfaces opposées, à la fin de la course du corps du serre-câble, c'est-à-dire lorsque The cable gland has its notched portion towards the solid body, whose facing surface is notched to allow perfect snapping of the two opposite surfaces, at the end of the race of the body of the cable tie, that is to say say when
le serrage du toron des câbles s'est produit. the tightening of the cable strand has occurred.
La partie arrière du corps solide est au contraire pourvue de deux expansions symétriques qui se terminent par des plans inclinés auxquels correspond un seul plan incliné, formé sur la surface intérieure de la paroi arrière de la The rear part of the solid body is instead provided with two symmetrical expansions which end in inclined planes to which corresponds a single inclined plane, formed on the inner surface of the rear wall of the
tête à oeillet.eyelet head.
Lorsque la traction sur le corps du serre-câble cesse, le 5 serrage des câbles s'étant produit, par suite du retrait du serre-câble tendu, les dents de celui-ci engagent celles du corps solide qui est poussé en bas et aussi en avant contre le serre-câble, par l'inclination de ses plans glissant sur le plan opposé de la paroi arrière de la tête Il s'ensuit 10 un encastrement complet des surfaces crantées et une compression du corps du serre-câble contre la paroi verticale avant de la tête, compression qui est d'autant plus forte que la traction du serre-câble sur le corps solide est plus grande. Il s'ensuit qu'une surtension de serrage, qui, dans les modèles habituels avec arrêtoir métallique ou plastique cranté, provoque un serrage défectueux, exerce seulement ici When the traction on the body of the cable clamp ceases, the tightening of the cables having occurred, as a result of the withdrawal of the tensioned cable clamp, the teeth of the latter engage those of the solid body which is pushed down and also forward against the cable clamp, by the inclination of its sliding planes on the opposite plane of the rear wall of the head It follows 10 a complete embedding of the notched surfaces and compression of the body of the cable clamp against the wall vertical front of the head, compression that is even stronger than the pull of the cable clamp on the solid body is greater. It follows that a tightening overvoltage, which, in the usual models with metal retainer or notched plastic, causes a faulty tightening, only exercises here
des effets positifs.positive effects.
La seconde particularité consiste dans le fait que l'axe de symétrie de l'ouverture de la tête, au lieu d'être radial au toron des câbles comme dans les modèles habituels à arrêtoir métallique ou plastique cranté (d'o il s'ensuit que le 25 serrage et la traction de la machine d'essai à la traction The second particularity consists in the fact that the axis of symmetry of the opening of the head, instead of being radial to the strand of the cables as in the usual models with metallic or plastic notched stop (from which it follows that the tightening and pulling of the tensile testing machine
tendent à éloigner l'un l'autre les éléments de prise de l'arrêtoir et du corps du serre-câble, avec le résultat que celui-ci se désenfile de la tête bien avant que sa résistance mécanique ne soit atteinte), est tangentiel au toron des 30 câbles. tend to move the gripping elements of the retainer and the body of the strain relief away from one another, with the result that the latter is withdrawn from the head well before its mechanical strength is reached), is tangential to the strand of the 30 cables.
Il s'ensuit que la direction de traction, exercée sur le corps du serrecâble par le serrage ou par la machine d'essai à la traction, enfonce de plus en plus le corps 35 solide dans la tête et, par conséquent, rend de plus en plus serré et efficace l'encastrement entre corps solide, corps As a result, the pulling direction exerted on the cable clamp body by the clamping or by the tensile testing machine increasingly drives the solid body into the head and, therefore, renders in addition to tight and effective embedding between solid body, body
du serre-câble et paroi verticale de la tâte. cable clamp and vertical wall of the test.
La résistance mécanique de l'accrochage de la tête se trouve ainsi beaucoup plus élevée que celle des modèles avec arrétoir métallique ou plastique cranté et, dans le cas limite, elle est égale à la résistance mécanique du corps du serre5 câble. The mechanical strength of the attachment of the head is thus much higher than that of models with metal or plastic notched ratchet and, in the extreme case, it is equal to the mechanical strength of the body of the cable greenhouse.
Pour améliorer la compréhension de l'invention, on en donne ci-après une illustration précise à l'aide des dessins cijoints, dans lesquels: La figure 1 est une vue en perspective de la tête du serre-câble et du ruban, au repos; La figure 2 est une coupe de la tête suivant II-II; 15 La figure 3 montre le serre-câble, toujours en coupe suivant II-II, tel qu'il se présente après serrage et l'exercice d'une tension sur le toron des câbles, mais avant le relâchement du corps du serre-câble. 20 Un serre-câble de matière thermo-plastique se compose essentiellement d'un ruban 1 de longueur et section adaptées à son emploi, avec une surface munie de saillies 2 en dents de scie ayant des inclinaisons différentes. 25 Tandis qu'à une extrémité, non représentée, le serre-câble se termine par une queue qui présente une contraction et un amincissement, à l'autre extrémité il est solidarisé avec la tête à oeillet de verrouillage 3. 30 Dans l'oeillet 3 se trouve le corps solide 5, solidaire des parois de la tête mais libre de bouger, et qui présente, d'un côté, une série de dents de scie retroussées 6 et, de l'autre côté, deux expansions de patinage inclinées 7. 35 Le corps solide est solidarisé à la paroi au moyen d'un To improve the understanding of the invention, an accurate illustration thereof is given hereinafter with the aid of the attached drawings, in which: FIG. 1 is a perspective view of the head of the cable clamp and the ribbon, at rest ; Figure 2 is a section of the head following II-II; FIG. 3 shows the cable tie, still in section II-II, as it is after tightening and tensioning on the cable strand, but before loosening the body of the cable tie . A thermo-plastic cable clamp consists essentially of a ribbon 1 of a length and section adapted to its use, with a surface provided with serrated projections 2 having different inclinations. While at one end, not shown, the cable clamp ends with a tail which has a contraction and a thinning, at the other end it is secured with the locking eyelet head 3. In the eyelet 3 is the solid body 5, integral with the walls of the head but free to move, and which has, on one side, a series of rolled saw teeth 6 and, on the other side, two inclined slip expansions 7 The solid body is secured to the wall by means of a
cordon flexible 12.flexible cord 12.
Les parois de l'oeillet sont inclinées à l'extérieur, tandis qu'à l'intérieur, la moitié supérieure opposée au crantage du corps solide est verticale et parallèle à la face crantée du corps solide et, du côté des expansions, est inclinée vers l'intérieur. La moitié inférieure des mêmes parois est toujours inclinée The walls of the eyelet are inclined to the outside, while inside, the upper half opposite the notching of the solid body is vertical and parallel to the notched face of the solid body and, on the side of the expansions, is inclined towards the inside. The lower half of the same walls is always inclined
vers l'intérieur.towards the inside.
Du côté des plans de patinage 7, la paroi comporte une partie 10 coordonnée avec la jonction 11 des deux plans cités, aussi, lorsque le crantage 6 est poussé en arrière par l'épaisseur du serre-câble 1, la jonction 11 vient au On the side of the slip planes 7, the wall has a portion 10 coordinated with the junction 11 of the two planes mentioned, also, when the notch 6 is pushed back by the thickness of the cable tie 1, the junction 11 comes to
contact de la partie 10.contact of part 10.
Donc, lorsque le corps du serre-câble (voir figure 3) entre dans la tête par la partie inférieure 13, il ne rencontre pas de difficulté, du fait que le corps solide 5 se déplace et s'élève, en tirant sur le cordon 12, jusqu'à ce que le 20 corps du serre-câble puisse passer. Thus, when the body of the cable tie (see FIG. 3) enters the head through the lower part 13, it encounters no difficulty, since the solid body 5 moves and rises, pulling on the cord 12, until the body of the cable tie can pass.
Les dents 2 du corps 1 autorisant le passage du serre-câble The teeth 2 of the body 1 allowing the passage of the cable clamp
restent toujours en contact glissant avec le crantage 6. always stay in sliding contact with the notch 6.
Une fois serré le toron des câbles 8 et relâchée la tension sur le corps 1, les deux crantages s'emboîtent et le corps tendu du serre-câble attire de haut en bas le corps solide, mais ce mouvement, grâce au patinage des plans 11 sur le plan 10, pousse les deux crantages accouplés contre le plan 30 9, ce qui entraîne le verrouillage complet du corps du serrecâble. La tension du ruban ne peut en effet jamais permettre le Once tightened the strand of the cables 8 and released the tension on the body 1, the two notches fit together and the stretched body of the cable clamp attracts up and down the solid body, but this movement, thanks to the slippage of the planes 11 on the plane 10, pushes the two notches coupled against the plane 9, resulting in the complete locking of the body of the cable lock. The tension of the ribbon can never allow the
décrochage du serre-câble.unhooking the cable clamp.
Claims (4)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT22361/83A IT1163880B (en) | 1983-07-29 | 1983-07-29 | BINDING CLAMP |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2549923A1 true FR2549923A1 (en) | 1985-02-01 |
Family
ID=11195213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8412375A Pending FR2549923A1 (en) | 1983-07-29 | 1984-07-27 | CABLE CLAMP |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE3427693A1 (en) |
FR (1) | FR2549923A1 (en) |
GB (1) | GB2145150A (en) |
IT (1) | IT1163880B (en) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3525351C2 (en) * | 1985-07-16 | 1994-09-15 | Raymond A Gmbh & Co Kg | cable ties |
DE4041368C2 (en) * | 1990-12-20 | 1994-08-18 | Mannesmann Ag | Rodless cylinder |
US5159728A (en) * | 1991-01-08 | 1992-11-03 | Bingold Richard F X | Two-loop law enforcement strap restraint which is concealable, disposable and can be formed entirely of recyclable material |
US5187151A (en) * | 1991-02-12 | 1993-02-16 | Genentech, Inc. | Use of binding protein with igf-i as an anabolic growth promoting agent |
JPH05280686A (en) * | 1991-03-01 | 1993-10-26 | Fuji Heavy Ind Ltd | Method for repairing piping by shape memory alloy and member for repairing piping |
US5263231A (en) * | 1991-08-20 | 1993-11-23 | Sorensen Soren C | Cable tie with hollow pawl sections |
US5193250A (en) * | 1992-04-30 | 1993-03-16 | Panduit Corp. | Releasable cable tie |
US5367749A (en) * | 1992-09-18 | 1994-11-29 | Takeuchi Industrial Co., Ltd. | Cable tie |
FR2697592B1 (en) * | 1992-11-04 | 1995-02-03 | Itw De France | Annular clamping element, seat cover comprising such a clamping element, and method of fixing such a cover to a seat. |
SE503217C2 (en) * | 1994-12-13 | 1996-04-22 | Bakelit Konstr Ab | Bundling Tape |
GB2308153B (en) * | 1995-12-13 | 2000-08-16 | Bowthorpe Plc | Parallel entry tie |
US5664294A (en) * | 1995-12-29 | 1997-09-09 | Sorensen; Soren Christian | Cable tie having enhanced locking engagement between teeth on abutment wall and ratchet teeth on tongue |
US5642554B1 (en) * | 1995-12-29 | 1999-08-31 | Soerensen Soeren Christian | Cable tie having enhanced locking engagement between pawl and ratchet teeth on tongue |
EP0782961A1 (en) * | 1996-01-04 | 1997-07-09 | GB Electrical, Inc. | Cable tie having enhanced locking engagement between pawl and ratchet teeth on tongue |
DE29721920U1 (en) * | 1997-12-11 | 1998-02-05 | Richard Bähr GmbH, 89186 Illerrieden | Fastening element for installation lines |
WO2002021034A1 (en) * | 2000-09-08 | 2002-03-14 | Antonio Martinez Iglesias | Flange for fluid lines and the like |
SE517616C2 (en) * | 2000-11-20 | 2002-06-25 | Gepe Internat Holding Bv | Device at a bundling band |
US6640394B1 (en) * | 2002-04-11 | 2003-11-04 | Avery Dennison Corporation | Tamper-proof tie |
GB2553305A (en) * | 2016-08-30 | 2018-03-07 | Plus 8 Industries Ltd | A key-releasable securing device |
CN108382724A (en) * | 2018-01-18 | 2018-08-10 | 中国科学院东北地理与农业生态研究所 | A kind of reusable energy saving band |
CN108408243A (en) * | 2018-01-18 | 2018-08-17 | 中国科学院东北地理与农业生态研究所 | A kind of energy saving band of reusable off-axis |
US11117724B2 (en) * | 2019-03-19 | 2021-09-14 | Hellermanntyton Corporation | Adjustable cable tie head |
CN112298799B (en) * | 2019-07-31 | 2023-02-03 | 顾飞龙 | Binding belt structure |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4688302A (en) * | 1969-04-07 | 1987-08-25 | Panduit Corp. | One-piece cable tie |
GB1427051A (en) * | 1973-08-31 | 1976-03-03 | Bowthorpe Hellermann Ltd | Cable ties |
-
1983
- 1983-07-29 IT IT22361/83A patent/IT1163880B/en active
-
1984
- 1984-07-27 FR FR8412375A patent/FR2549923A1/en active Pending
- 1984-07-27 DE DE19843427693 patent/DE3427693A1/en not_active Withdrawn
- 1984-07-30 GB GB08419389A patent/GB2145150A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
IT8322361A0 (en) | 1983-07-29 |
DE3427693A1 (en) | 1985-02-07 |
GB8419389D0 (en) | 1984-09-05 |
GB2145150A (en) | 1985-03-20 |
IT1163880B (en) | 1987-04-08 |
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