EP0218136A1 - Rotating head for the automatic plastering of the surfaces of stone, marble or the like - Google Patents

Rotating head for the automatic plastering of the surfaces of stone, marble or the like Download PDF

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Publication number
EP0218136A1
EP0218136A1 EP86113000A EP86113000A EP0218136A1 EP 0218136 A1 EP0218136 A1 EP 0218136A1 EP 86113000 A EP86113000 A EP 86113000A EP 86113000 A EP86113000 A EP 86113000A EP 0218136 A1 EP0218136 A1 EP 0218136A1
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EP
European Patent Office
Prior art keywords
putty
spatulas
order
rolling head
stuccoing
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP86113000A
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German (de)
French (fr)
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EP0218136B1 (en
Inventor
Marcello Toncelli
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Individual
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Individual
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Priority to AT86113000T priority Critical patent/ATE67549T1/en
Publication of EP0218136A1 publication Critical patent/EP0218136A1/en
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Publication of EP0218136B1 publication Critical patent/EP0218136B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F21/00—Implements for finishing work on buildings
    • E04F21/20—Implements for finishing work on buildings for laying flooring
    • E04F21/24—Implements for finishing work on buildings for laying flooring of masses made in situ, e.g. smoothing tools
    • E04F21/245—Rotary power trowels, i.e. helicopter trowels
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F21/00—Implements for finishing work on buildings
    • E04F21/165—Implements for finishing work on buildings for finishing joints, e.g. implements for raking or filling joints, jointers
    • E04F21/1652—Implements for finishing work on buildings for finishing joints, e.g. implements for raking or filling joints, jointers for smoothing and shaping joint compound to a desired contour

Definitions

  • the present invention aims to achieve a rolling head, provided with inclined spatulas and orientable on its vertical axis, with which it is possible to perform automatic stuccoing of the surface of stone materials, with any type of sealant, either cement type as resins.
  • Stuccoing with the aforementioned devices, is however not always effective for the various reasons, for example the reduced filling of the pores, but also for the difficulties of coating caused by the rapid hardening of the putty.
  • the invention aims to obviate these drawbacks.
  • the eccedent part on the contrary will have the tendency to flow on the part already released from the action of the spatula.
  • This movement requires a determined time which depends on the degree of viscosity of the putty used.
  • the spatulas each supported by a pendulum arm integral with the shaft, with a substantially radial arrangement and at a certain interval relative to each other and more than the disk rotation velocity is such that once the filling of a cavity, the successive passage of the spatulas does not change the situation.
  • the rolling head comprises a shaft 1, which is rotated by a variable speed drive 2, the velocity of which is arranged as a function of the diameter of the spatulas 4.
  • the spatulas 4 (fig. 2) are locked between two jaws 8 and 9, of semi-cylindrical shape, retained between a vice (fig. 3) both mounted on the spatula holder arm 3, by means of clamps 11 and 12, which allow the variation of the orientation, respect for the radial direction of the carrier arms 3.
  • On the vice 10 (fig. 3) two series of holes 13 and 14 are made, for example three holes each, to allow the movement in the longitudinal direction of the vice 10, in the radial direction of the support arm spatula 3.
  • each spatula In angular direction on the contrary the orientation of each spatula can be varied, because of the presence of oblong holes in sector 15 and 16 (fig. 5) among which pass the locking screws 11 and 12, which fix the position of the vice 10.
  • spatulas 4, illustrated in fig. 3 have a serrated edge
  • spatulas 4, illustrated in FIG. 4 have a smooth edge.
  • spatulas 4 are arranged so as to tend to return the putty towards the outside while the spatulas 4 'tend to approach the putty towards the center of the rotating head when the direction of rotation of the same disc is what is indicated by the arrow 17.
  • each spatula 4 or 4 ′ is gripped between two semi-cylindrical jaws 8 and 9, having the possibility of being tilted more or less as necessary, respecting the work plan 18 (fig. 1).
  • the cups 19 and 20 prevent the accidental scrolling of the spatulas 4 and 4 'of the vice 10.

Abstract

La tête present un certain nombre de spatules (4) chacune disposé sur un bras portespatule (3), solidaire à l'arbre (1) et disposée sur un axe vertical, en positions opportunément inclinées, ce qui permet d'effectuer le stucage automatique de la surface du material, avec n'importe quel tipe de mastic pour des materiels de pierre.The head has a number of spatulas (4) each arranged on a spatula support arm (3), integral with the shaft (1) and arranged on a vertical axis, in suitably inclined positions, which makes it possible to perform automatic stuccoing from the surface of the material, with any type of putty for stone materials.

Description

La presente invention a le but de realiser une tête roulant, munie de spatules inclinées et orientables sur son axe ver­tical, avec laquelle est possible effectuer le stucage auto­matique de la surface des matériels de pierres, avec n'impor­te quel type de mastic, soit du type en ciment que des resi­nes.The present invention aims to achieve a rolling head, provided with inclined spatulas and orientable on its vertical axis, with which it is possible to perform automatic stuccoing of the surface of stone materials, with any type of sealant, either cement type as resins.

On connait que à l'état actuel de la tecnique on prevoit la possibilité de stuquer des surfaces de material en pierre ou agglomeré, seulement dans le cas ou le dite stucage est effectué avec un liant a base de ciment.
Dans le cas des liants en matériel des resines, doivent être employé des dispositifs, munis de spatules, qui réalisent un mouvement alternatif ou aussi roulant.We know that in the current state of technology we foresee the possibility of stuccoing surfaces of stone or agglomerated material, only in the case where said stuccoing is carried out with a cement-based binder.
In the case of binders in resin material, devices must be used, provided with spatulas, which perform an alternating or also rolling movement.

Soit dans le premier cas que dans le second cas toutefois doivent être prevus des recipients, pour éviter la fuite du mastic, qui a la tendance à éviter l'action des spatules.Either in the first case than in the second case, however, containers must be provided, to avoid the leakage of the putty, which tends to avoid the action of the spatulas.

Soit dans le premier cas que dans le second cas toutefois doivent être prevus des recipients, pour eviter la fuite du mastic, qui a la tendance à éviter l'action des spatules.Either in the first case than in the second case, however, containers must be provided to avoid the leakage of the putty, which tends to avoid the action of the spatulas.

Le stucage, avec les dispositifs surcités, n'est toutefois toujours efficace pour les divers raisons, pour examples le reduit remplissage des pores, mais aussi pour les difficultés d'enduisage causée par le rapide durcissement du mastic.Stuccoing, with the aforementioned devices, is however not always effective for the various reasons, for example the reduced filling of the pores, but also for the difficulties of coating caused by the rapid hardening of the putty.

L'invention a le but d'obvier à ces inconvenients.The invention aims to obviate these drawbacks.

On a en effect verifié, en raison de l'experience, que, pour obtenir un stucage obtimal, on doit tenir compte de la viscosité du mastic qu'on doit enduire, en raison du fait que l'interval de temps, qui doit s'écouler entre le passage des deux spatules successives sur un pore à stuquer, doit être plus grand de ce qui est du par le mastic, pour ce re­porter à la situation d'équilibre.We have indeed verified, because of experience, that, to obtain an obtimal stucco, we must take into account the viscosity of the sealant that we must coat, due to the fact that the time interval, which must s '' between the passage of the two successive spatulas on a pore to be stuccoed, must to be larger than that which is due to the putty, to refer this to the equilibrium situation.

On a pu en effect noter qu'une spatule, entrainant le mastic à ecouler, lorsqu'il passe sur une cavité qui est dans le marbre, fait confluer à l'intérieur de la même, une partie du mastic, en realisant une action de damage.We could indeed note that a spatula, causing the putty to flow, when it passes over a cavity which is in the marble, causes a part of the putty to converge inside the same, by carrying out an action of tamping.

La partie eccedente au contraire aura la tendence à s'écou­ler sur la partie déjà liberée de l'action de la spatule.The eccedent part on the contrary will have the tendency to flow on the part already released from the action of the spatula.

Ce mouvement demand un temps determiné qui dépend du degré de la viscosité du mastic employé.This movement requires a determined time which depends on the degree of viscosity of the putty used.

Une fois établi l'équilibre dans le temps d'attente, on obtiendra une cavité recouverte d'une quantité de mastic excédant, delimitée par une surface convexe.Once the equilibrium in the waiting time has been established, we will obtain a cavity covered with an excess quantity of putty, delimited by a convex surface.

On a noté que seulement lorsqu'y a été rejoint ce degré d'équilibre, il est possibile de faire passer une autre spa­tule sur le même, sans modifier le degré de recouvrement de la cavité.It has been noted that only when this degree of equilibrium has been reached, it is possible to pass another spatula over the same, without modifying the degree of covering of the cavity.

Si une spatule doit passer avant que le mastic a rattrapé l'équilibre à l'interieur du trou, il sera emporté une cer­taine quantité de mastic, donnant lieu à un pore non perfai­tement stuqué.If a spatula has to pass before the putty has caught up with the balance inside the hole, a certain amount of putty will be removed, giving rise to a not perfectly stuccoed pore.

Dans la disposition selon l'invention, on prevoit que les spatules, checune soutenue par un bras portespatules soli­dair à l'arbre, avec une disposition substantiellement ra­diale et à un certain interval l'une par rapport à l'autre et de plus que la velocité de rotation du disque soit tel qu'une fois effectué le remplissage d'une cavité, le succes­sif passage des spatules n'en modifie pas la situation.In the arrangement according to the invention, it is provided that the spatulas, each supported by a pendulum arm integral with the shaft, with a substantially radial arrangement and at a certain interval relative to each other and more than the disk rotation velocity is such that once the filling of a cavity, the successive passage of the spatulas does not change the situation.

On a en suite remarqué qu'il semble opportun que le bord inferieur d'une des spatules, exactement celle qui tend à déplacer le mastic vers l'exterieur, soit dentelé, à fin d'augmenter la pressione spécifique appliquée sur la surfa­ce à stuquer.We then noticed that it seems appropriate that the lower edge of one of the spatulas, exactly that which tends to move the putty towards the outside, is serrated, in order to increase the specific pressure applied on the surface to be stuccoed. .

Pour ce qui concerne le nombre des tours de la tête rotati­ve on doit rélever qu'il depend du nombre des spatules mon­tées sur la même et en plus du degré de la viscosité du mastic.Regarding the number of turns of the rotary head it should be noted that it depends on the number of spatulas mounted on the same and in addition to the degree of viscosity of the putty.

Clairement pour des mastics plus visqueux, la velocité de rotation devra être mineure en relation aux mastics plus flui­des.
L'invention sera ici de suite descripte en détail à l'aide des tables de dessins ci jointes, dans lesquelles:

  • la fig. 1 représente la vue complexive squematique de coté de la tête roulante, en partie sectionnée.
  • La fig. 2 représente, dans la vue de profil une des spatules montées sur les bras qui porte la spatule duquel est visi­ble une part.
  • La fig. 3 répresente, dans la vue en perspective, une spa­tule à bord dentelée, avec ses dispositifs de bloccage.
  • La fig. 4 représente, toujours dans la vue en perspective, une spatule à bord lisse, avec ses dispositivs de mise en place.
  • La fig. 5 représente en manière schematisée la disposition de certaines spatules radiales sur les relatifs bras por­tants les spatules.
Clearly for more viscous sealants, the rotational velocity should be minor in relation to more fluid sealants.
The invention will here immediately be described in detail using the attached drawing tables, in which:
  • fig. 1 shows the complex squat view from the side of the rolling head, partially sectioned.
  • Fig. 2 shows, in the side view one of the spatulas mounted on the arms which carries the spatula of which a part is visible.
  • Fig. 3 represents, in the perspective view, a spatula with a serrated edge, with its locking devices.
  • Fig. 4 shows, still in the perspective view, a spatula with a smooth edge, with its positioning devices.
  • Fig. 5 shows schematically the arrangement of certain radial spatulas on the relative arms carrying the spatulas.

Comme on peut voir en particulier en fig. 1, la tête roulante comprend un arbre 1, qui est mis en rotation par un motova­riateur 2, duquel la velocité est disposé en fonction du diamètre des spatules 4.As can be seen in particular in fig. 1, the rolling head comprises a shaft 1, which is rotated by a variable speed drive 2, the velocity of which is arranged as a function of the diameter of the spatulas 4.

Le motoriducteur 5, au moyen de la vis 6, provoque le dépla­cement dans le sens vertical de la tête par rapport aux gui­des 7, en consentent le soulevement des bras porte-spatules 3 et des relatives spatules 4.
Les spatules 4 (fig. 2) sont bloquèes entre deux mâchoires 8 et 9, de forme hémicylindrique, retenues entre une étau (fig. 3) à la fois monté sur le bras porte-spatule 3, au moyen des étaux 11 et 12, qui en permettent la variation de l'orientation, respect à la direction radiale des bras por­tespatules 3.
Sur l'étau 10 (fig. 3) sont pratiquées deux series de troux 13 et 14, pour example de trois troux chacune, pour permet­tre le déplacement en sens longitudinal de l'étau 10, dans la direction radiale du bras portespatule 3.The gearmotor 5, by means of the screw 6, causes the head to move in the vertical direction relative to the guides 7, allowing the spatula arms 3 and the relative spatulas 4 to be raised.
The spatulas 4 (fig. 2) are locked between two jaws 8 and 9, of semi-cylindrical shape, retained between a vice (fig. 3) both mounted on the spatula holder arm 3, by means of clamps 11 and 12, which allow the variation of the orientation, respect for the radial direction of the carrier arms 3.
On the vice 10 (fig. 3) two series of holes 13 and 14 are made, for example three holes each, to allow the movement in the longitudinal direction of the vice 10, in the radial direction of the support arm spatula 3.

En sens angulair au contraire l'orientation de chaque spatu­le peut être variée, à cause de la présence des troux oblongs à secteur 15 et 16 (fig. 5) parmi lesquels passent les vis de bloquage 11 et 12, qui fixent la position de l'étau 10.In angular direction on the contrary the orientation of each spatula can be varied, because of the presence of oblong holes in sector 15 and 16 (fig. 5) among which pass the locking screws 11 and 12, which fix the position of the vice 10.

On notera que tandis les spatules 4, illustrées en fig. 3, présentent un bord dentelé, les spatules 4, illustrées en fig. 4 présentent un bord lisse.Note that while the spatulas 4, illustrated in fig. 3, have a serrated edge, the spatulas 4, illustrated in FIG. 4 have a smooth edge.

Soit les spatules 4, soit les spatules 4' sont montées en manière à pouvoir se disposer en manière different respect le cours de la direction radiale du bras portespatule 3, étants prevues des rainures à secteur circulair 15 et 16, qui en permettent la variation de l'orientation.Either the spatulas 4, or the spatulas 4 'are mounted so as to be able to arrange in a different manner the course of the radial direction of the spatula arm 3, being provided with grooves with circular sector 15 and 16, which allow the variation of orientation.

En particulièr on prevoit que les spatules 4 soient disposées en manière à tendre à renvoyer le mastic vers l'extérieur tandis que les spatules 4' tendent à approcher le mastic vers le centre de la tête tournant quand le sens de rotation du même disque est ce qui est indiqué par la flêche 17.In particular it is expected that the spatulas 4 are arranged so as to tend to return the putty towards the outside while the spatulas 4 'tend to approach the putty towards the center of the rotating head when the direction of rotation of the same disc is what is indicated by the arrow 17.

En telle manière on évite que la mastic soit centrifugué vers l'exterieur ou l'interieur de la surface interessée à l'operation de stucage.In this way it is avoided that the putty is centrifuged towards the outside or inside of the surface interested in the stucco operation.

On notera aussi que chaque spatule 4 ou 4' est saisie entre deux machoires demicilindriques 8 et 9, ayant la possibili­té d'être inclinées plus ou moin selon les necessités, respect le plan de travail 18 (fig. 1).
Les coupilles 19 et 20 évitent le defilage accidental des spatules 4 et 4' du étau 10.
Les spatules 4 et 4' évidemment se penchent pendant le tra­vail roulant jusqu'à s'appuier contre le bord de l'étau 10 (voir le dessin à hachure en fig. 2).
Ce au but d'exerciter sur la dalle en travail toujours le même degré de pression.It will also be noted that each spatula 4 or 4 ′ is gripped between two semi-cylindrical jaws 8 and 9, having the possibility of being tilted more or less as necessary, respecting the work plan 18 (fig. 1).
The cups 19 and 20 prevent the accidental scrolling of the spatulas 4 and 4 'of the vice 10.
The spatulas 4 and 4 'obviously lean during rolling work until they rest against the edge of the vice 10 (see the hatched drawing in fig. 2).
This in order to exercise on the working slab always the same degree of pressure.

Naturellement les particuliers constructifs de detail de la machine de l'invention pourrons assumer des formes et d'aspects differents, toujours etant les mêmes les caracté­ristiques exentiels de l'inventions, sans pour cela sortir du cadre du brévêt.Naturally the constructive individuals of detail of the machine of the invention will be able to assume different forms and aspects, always being the same the essential characteristics of the invention, without thereby departing from the scope of the patent.

Claims (5)

1. Tête roulant pour le stucage automatique des surfaces des pierres, marbres ou similaires, avec une serie de bras por­tespatules mis en rotation par un motovariateur sur un axe vertical et un dispositif automatique pour approcher ou éloi­gner les bras du plan de la surface à travailler, caractéri­sé en ce qu'il comprende un certain numero de spatules (4 et 4') montées sur des bras portespatules, qui pourvoient à l'étalement du mastic sur la surface qui avance longitu­dinalement en direction trasversal à l'axe de rotation de la tête tournant, à fin de stuquer complétement l'éntière surface de la dalle, avec une operation entièrement automa­tisée.1. Rolling head for automatic stuccoing of surfaces of stones, marbles or the like, with a series of pendulum arms rotated by a variable speed drive on a vertical axis and an automatic device for approaching or moving the arms away from the plane of the work surface , characterized in that it comprises a certain number of spatulas (4 and 4 ') mounted on spatula arms, which provide for the spreading of the mastic on the surface which advances longitudinally in transverse direction to the axis of rotation of the rotating head, in order to completely stucco the entire surface of the slab, with a fully automated operation. 2. Tête roulant, selon la revendication 1, caracterisé en ce que la velocité de rotation des bras portespatules (3) est reglable parmi un motovariateur (2), à fin de l'adapter aux besoins particuliers du type de mastic en travail, pour exemple aux caractéristiques de viscosité du mastic et en raison des caractéristiques physiques du même mastic, à fin de donner lieu à un parfait stucage des pores de la surface à travailler.2. Rolling head according to claim 1, characterized in that the velocity of rotation of the carrier arms (3) is adjustable among a variable speed drive (2), in order to adapt it to the particular needs of the type of putty in work, for example to the viscosity characteristics of the putty and due to the physical characteristics of the same putty, in order to give rise to a perfect stuccoing of the pores of the surface to be worked. 3. Tête roulant, selon la revendication 2, caracterisé en ce que les spatules (4) sont monté su une couple d'etaux hémicylindriques (9) inserés en un étau (10), ce qui permet d'incliner les mêmes spatules par rapport à la surface à travailler, selon les necessités particulières.3. Rolling head according to claim 2, characterized in that the spatulas (4) are mounted on a pair of semi-cylindrical vices (9) inserted in a vice (10), which allows the same spatulas to be inclined relative on the surface to be worked, according to the particular needs. 4. Tête roulant, selon les revendications 1 à 3 caracterisé en ce que chaque lame a la possibilité d'être orienté di­versement, par rapport à la direction radial du bras porte­spatule sur lequel elle est monté de la sorte à pouvoir disposer les lames alternativement inclinées en façon à tendre à porter à nouveau le mastic respectivement vers l'exterieur et vers l'interieur de la tête, ce qui assure que le mastic vient entièrement étendu à l'interieur de la surface en travail, sans déborder et sans la necessité des bords de délimitation.4. Rolling head according to claims 1 to 3 characterized in that each blade has the possibility of being oriented variously, relative to the radial direction of the carrier arm on which it is mounted so as to be able to arrange the blades alternately inclined in order to tend to wear the putty again towards the outside and inside the head respectively, which ensures that the putty comes fully extended inside the working surface, without overflowing and without the need for delimiting edges . 5. Tête roulant, selon les revendications de 1 à 4, caracte­risé en ce que les spatules présentent alternativement un bord lisse et dentelé, à fin d'exerciter sur les pores à stuquer des différents degrés de pression et partant fair suivre à une action de damage forcé une action de nivelle­ment du mastic, tout au fin d'obtenir une parfaite action de stucage, à niveau constant des cavités presentes sur le plau de la surface à travailler.5. Rolling head, according to claims 1 to 4, characterized in that the spatulas alternately have a smooth, serrated edge, in order to exert on the pores to be stuccoed different degrees of pressure and therefore follow an action of tamping forced a leveling action of the putty, at the very end of obtaining a perfect stuccoing action, at constant level of the cavities present on the surface of the work surface.
EP86113000A 1985-09-30 1986-09-20 Rotating head for the automatic plastering of the surfaces of stone, marble or the like Expired - Lifetime EP0218136B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86113000T ATE67549T1 (en) 1985-09-30 1986-09-20 ROTARY HEAD FOR AUTOMATIC PLACING OF STONES, MARBLE OR SIMILAR SURFACES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT85600/85A IT1188026B (en) 1985-09-30 1985-09-30 ROTATING HEAD FOR AUTOMATIC GROUTING OF STONE MATERIALS
IT8560085 1985-09-30

Publications (2)

Publication Number Publication Date
EP0218136A1 true EP0218136A1 (en) 1987-04-15
EP0218136B1 EP0218136B1 (en) 1991-09-18

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EP86113000A Expired - Lifetime EP0218136B1 (en) 1985-09-30 1986-09-20 Rotating head for the automatic plastering of the surfaces of stone, marble or the like

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US (1) US4738218A (en)
EP (1) EP0218136B1 (en)
JP (1) JPH0434941Y2 (en)
CN (1) CN1005465B (en)
AT (1) ATE67549T1 (en)
CA (1) CA1256280A (en)
DE (1) DE3681545D1 (en)
ES (1) ES1001328Y (en)
IT (1) IT1188026B (en)

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DE2035465A1 (en) * 1970-07-17 1972-01-20 Eberle, Leonhard, 8873 Buhl Smoothing plane for plastering work
DE2733419A1 (en) * 1977-07-23 1979-02-01 Erich Hofmann Wet concrete consolidating and smoothing device - has height adjustable rotary plate linked to carriage on transverse guide
FR2485597A1 (en) * 1980-06-25 1981-12-31 Johansson Leif Optical beam controlled cast floor leveller - has photo-meter controlling height setting of distributor on arm end

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2783963A1 (en) * 1998-09-29 2000-03-31 Cogema SURFACE DEVICE
WO2000018553A1 (en) * 1998-09-29 2000-04-06 Compagnie Generale Des Matieres Nucleaires Surfacing device
US6548007B1 (en) 1998-09-29 2003-04-15 Compagnie Generale Des Matieres Nucleaires Surfacing device
CN110528889A (en) * 2019-08-26 2019-12-03 广东博智林机器人有限公司 Strike off floating robot

Also Published As

Publication number Publication date
CN86106997A (en) 1987-07-29
JPS6275874U (en) 1987-05-15
ATE67549T1 (en) 1991-10-15
DE3681545D1 (en) 1991-10-24
CA1256280A (en) 1989-06-27
US4738218A (en) 1988-04-19
CN1005465B (en) 1989-10-18
IT1188026B (en) 1987-12-30
ES1001328U (en) 1988-05-01
ES1001328Y (en) 1988-12-16
JPH0434941Y2 (en) 1992-08-19
IT8585600A0 (en) 1985-09-30
EP0218136B1 (en) 1991-09-18

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