EP0056551B1 - Elastic means for an elevating device for an offshore platform - Google Patents

Elastic means for an elevating device for an offshore platform Download PDF

Info

Publication number
EP0056551B1
EP0056551B1 EP81402058A EP81402058A EP0056551B1 EP 0056551 B1 EP0056551 B1 EP 0056551B1 EP 81402058 A EP81402058 A EP 81402058A EP 81402058 A EP81402058 A EP 81402058A EP 0056551 B1 EP0056551 B1 EP 0056551B1
Authority
EP
European Patent Office
Prior art keywords
frame
rack
elastic means
pinions
platform
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
Application number
EP81402058A
Other languages
German (de)
French (fr)
Other versions
EP0056551A1 (en
Inventor
Jean Havard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Brissonneau et Lotz Marine SA
Original Assignee
Brissonneau et Lotz Marine SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Brissonneau et Lotz Marine SA filed Critical Brissonneau et Lotz Marine SA
Priority to AT81402058T priority Critical patent/ATE11944T1/en
Publication of EP0056551A1 publication Critical patent/EP0056551A1/en
Application granted granted Critical
Publication of EP0056551B1 publication Critical patent/EP0056551B1/en
Expired legal-status Critical Current

Links

Images

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/02—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
    • E02B17/021—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto with relative movement between supporting construction and platform
    • E02B17/024—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto with relative movement between supporting construction and platform shock absorbing means for the supporting construction
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/04—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
    • E02B17/08—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
    • E02B17/0818—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering with racks actuated by pinions

Definitions

  • the present invention relates to installations of so-called self-elevating marine platforms, in particular provided for carrying out drilling operations at sea, provided with a plurality of legs and with a plurality of associated lifting devices of the pinion and rack type making it possible to adjust the position and the holding in position of the platform on the legs.
  • each of the lifting devices comprises two groups of pinions driven in rotation by motor means, by means of gears fixed to a frame mounted on the platform , the pinions of the one and the other group respectively meshing with one of the teeth of a double rack having two opposite parallel teeth, integral with the corresponding leg.
  • the frame can be fixed to the structure of the platform by elastic means.
  • These elastic means which can be constituted, for example, by an assembly formed of metal plates such as steel, interposed with plates of an elastic material, have a high compressive strength and can be deformed axially and, in a certain measure transversely, consequently authorizing relative freedom of movement between the frame and the structure of the platform.
  • the present invention aims to overcome these drawbacks and relates to a particular favorable arrangement of elastic means interposed between the frame and the structure of the platform.
  • the invention relates to a rack and pinion type lifting device designed to allow the position of a marine platform to be adjusted vertically and to maintain the latter in the desired position on a plurality of legs on each of which is rigidly fixed.
  • a rack and pinion type lifting device designed to allow the position of a marine platform to be adjusted vertically and to maintain the latter in the desired position on a plurality of legs on each of which is rigidly fixed.
  • at least one double rack with opposite teeth to which is associated a lifting device comprising at least one pair of pinions connected to the structure of the platform, by means of a frame, each of the pinions respectively meshing with the one of the two teeth of the associated rack, so as to be located on either side of the rack, the pinions being driven in rotation by motor and reducing means, so as to determine in one direction or the other the required movements, the frame being fixed to the structure by elastic means allowing relative freedom of movement between the latter (known from US-A-3,967,457).
  • the elastic means are arranged obliquely so that the compression axes of these means pass substantially through the instantaneous center of rotation of the upper part of the leg.
  • Figures 1 and 2 show an elevator device connected to the structure of a platform by means of elastic means arranged in accordance with the invention according to two embodiments.
  • reference 1 designates the structure of the platform.
  • Reference 2 designates the frame carrying the drive members acting on the pinions 3 (two in number in the examples shown).
  • the rotation of these pinions 3 controls the relative movements of the double rack 4 either in one direction, to determine the elevation of the platform above the surface of the sea when the feet secured to the rack are supported on the seabed, in the other direction so that the lifting of these feet allows the floating of the platform.
  • the elastic means are arranged between an oblique sole 6 formed in a recess of a foot 7 secured to the frame 2 and a corresponding sole 8 projecting from the structure of the platform.
  • the elastic damping means 5 are arranged between an oblique sole 6 formed on the part 9 of the frame 2, extended laterally for this purpose and a corresponding sole 8 projecting from the structure of the platform .
  • the compression axes of the elastic means 5 are inclined, the flanges 6 and 8 between which they are arranged also being inclined relative to the horizontal for this purpose.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Types And Forms Of Lifts (AREA)
  • Earth Drilling (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Vibration Prevention Devices (AREA)
  • Vibration Dampers (AREA)
  • Details Of Aerials (AREA)
  • Transmission Devices (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Paper (AREA)

Abstract

The present invention applies to those auto-elevating marine platforms, as for deep-sea drilling and the like, outfitted with a number of legs and a number of associated jacking mechanisms of the rack and pinion type set with the rack's teeth in opposition, wherein a flexible coupling (5), the axis of compression of which is inclined, is placed between the support-framework (2), where the pinions (3) are mounted, and the main structure (1) of the platform in such a way that a relative freedom of movement between the support-framework (2) and the structure (1) is permitted. The intention is that the axis of compression of the flexible coupling (5) passes substantially directly through the instantaneous center of rotation of the upper part of the leg.

Description

La présente invention concerne les installations de plate-formes marines dites auto-élévatrices notamment prévues pour effectuer des opérations de forage en mer, pourvues d'une pluralité de jambes et d'une pluralité de dispositifs élévateurs associés du type à pignons et crémaillère permettant de régler la position et le maintien en position de la plate-forme sur les jambes.The present invention relates to installations of so-called self-elevating marine platforms, in particular provided for carrying out drilling operations at sea, provided with a plurality of legs and with a plurality of associated lifting devices of the pinion and rack type making it possible to adjust the position and the holding in position of the platform on the legs.

Le brevet US-3 967 457 décrit une telle plate-forme, dans laquelle chacun des dispositifs élévateurs comprend deux groupes de pignons entraînés en rotation par des moyens moteurs, par l'intermédiaire d'engrenages fixés sur un bâti monté sur la plate-forme, les pignons de l'un et l'autre groupes engrenant respectivement avec l'une des dentures d'une crémaillère double présentant deux dentures parallèles opposées, solidaire de la jambe correspondante. Le bâti peut être fixé à la structure de la plate-forme par des moyens élastiques.US Pat. No. 3,967,457 describes such a platform, in which each of the lifting devices comprises two groups of pinions driven in rotation by motor means, by means of gears fixed to a frame mounted on the platform , the pinions of the one and the other group respectively meshing with one of the teeth of a double rack having two opposite parallel teeth, integral with the corresponding leg. The frame can be fixed to the structure of the platform by elastic means.

Ces moyens élastiques, qui peuvent être constitués, par exemple, par un ensemble formé de plaques métalliques telles que d'acier, intercalées avec des plaques d'un matériau élastique, présentent une grande résistance à la compression et peuvent être déformés axialement et, dans une certaine mesure transversalement, autorisant en conséquence une relative liberté de mouvement entre le bâti et la structure de la plate-forme.These elastic means, which can be constituted, for example, by an assembly formed of metal plates such as steel, interposed with plates of an elastic material, have a high compressive strength and can be deformed axially and, in a certain measure transversely, consequently authorizing relative freedom of movement between the frame and the structure of the platform.

Toutefois, il résulte de la disposition de ces moyens élastiques, que ceux-ci travaillent simultanément en compression et en cisaillement et que, d'autre part, ils ne travaillent jamais symétriquement, ce qui détermine des efforts parasites inopportuns.However, it results from the arrangement of these elastic means, that these work simultaneously in compression and in shear and that, on the other hand, they never work symmetrically, which determines inopportune parasitic forces.

La présente invention a pour but d'obvier à ces inconvénients et a pour objet une disposition particulière favorable des moyens élastiques interposés entre le bâti et la structure de la plate-forme.The present invention aims to overcome these drawbacks and relates to a particular favorable arrangement of elastic means interposed between the frame and the structure of the platform.

Parmi les principaux avantages de cette disposition, on peut citer l'efficacité de celle-ci et le fait que le bâti peut suivre le déplacement angulaire de la jambe sans induire de variation de compression notable dans les moyens élastiques utilisés, ce dont il résulte que les forces appliquées aux pignons restent sensiblement constantes.Among the main advantages of this arrangement, one can cite its efficiency and the fact that the frame can follow the angular displacement of the leg without inducing any significant compression variation in the elastic means used, which results in that the forces applied to the pinions remain substantially constant.

L'invention est relative à un dispositif élévateur du type à pignons et crémaillère prévu pour permettre de régler verticalement la position d'une plate-forme marine et de maintenir cette dernière dans la position désirée sur une pluralité de jambes sur chacune desquelles est fixée rigidement au moins une crémaillère double à dentures opposées, à laquelle est associé un dispositif élévateur comprenant au moins une paire de pignons reliés à la structure de la plate-forme, par l'intermédiaire d'un bâti, chacun des pignons engrenant respectivement avec l'une des deux dentures de la crémaillère associée, de manière à être situés de part et d'autre de la crémaillère, les pignons étant entraînés en rotation par des moyens moteurs et réducteurs, de manière à déterminer dans un sens ou dans l'autre les mouvements requis, le bâti étant fixé à la structure par des moyens élastiques autorisant une liberté relative de mouvement entre ces derniers (connu du US-A-3 967 457).The invention relates to a rack and pinion type lifting device designed to allow the position of a marine platform to be adjusted vertically and to maintain the latter in the desired position on a plurality of legs on each of which is rigidly fixed. at least one double rack with opposite teeth, to which is associated a lifting device comprising at least one pair of pinions connected to the structure of the platform, by means of a frame, each of the pinions respectively meshing with the one of the two teeth of the associated rack, so as to be located on either side of the rack, the pinions being driven in rotation by motor and reducing means, so as to determine in one direction or the other the required movements, the frame being fixed to the structure by elastic means allowing relative freedom of movement between the latter (known from US-A-3,967,457).

Selon l'invention, les moyens élastiques sont disposés obliquement de manière à ce que les axes de compression de ces moyens passent sensiblement par le centre instantané de rotation de la partie supérieure de la jambe.According to the invention, the elastic means are arranged obliquely so that the compression axes of these means pass substantially through the instantaneous center of rotation of the upper part of the leg.

La présente invention sera mieux comprise et d'autres buts, avantages et caractéristiques de celle-ci apparaîtront plus clairement à la lecture de la description qui suit à laquelle deux planches de dessins sont annexés à titre d'exemples de modes de réalisation.The present invention will be better understood and other objects, advantages and characteristics thereof will appear more clearly on reading the description which follows, to which two sheets of drawings are appended as examples of embodiments.

Les figures 1 et 2 représentent un dispositif élévateur relié à la structure d'une plate-forme par l'intermédiaire de moyens élastiques disposés conformément à l'invention selon deux modes de réalisation.Figures 1 and 2 show an elevator device connected to the structure of a platform by means of elastic means arranged in accordance with the invention according to two embodiments.

En référence maintenant aux figures, la référence 1 désigne la structure de la plate-forme. La référence 2 désigne le bâti portant les organes moteurs agissant sur les pignons 3 (au nombre de deux paires dans les exemples représentés). La mise en rotation de ces pignons 3 commande les mouvements relatifs de la crémaillère double 4 soit dans un sens, pour déterminer l'élévation de la plate-forme au-dessus de la surface de la mer lorsque les pieds solidaires de la crémaillère prennent appui sur le fond marin, soit dans l'autre sens afin que le relèvement de ces pieds permette la flottaison de la plate-forme. Selon le mode de réalisation représenté figure 1, les moyens élastiques sont disposés entre une semelle oblique 6 ménagée dans un évidement d'un pied 7 solidaire du bâti 2 et une semelle correspondante 8 faisant saillie de la structure de la plate-forme.Referring now to the figures, reference 1 designates the structure of the platform. Reference 2 designates the frame carrying the drive members acting on the pinions 3 (two in number in the examples shown). The rotation of these pinions 3 controls the relative movements of the double rack 4 either in one direction, to determine the elevation of the platform above the surface of the sea when the feet secured to the rack are supported on the seabed, in the other direction so that the lifting of these feet allows the floating of the platform. According to the embodiment shown in Figure 1, the elastic means are arranged between an oblique sole 6 formed in a recess of a foot 7 secured to the frame 2 and a corresponding sole 8 projecting from the structure of the platform.

Selon le mode de réalisation représenté figure 2, les moyens élastiques amortisseurs 5 sont disposés entre une semelle oblique 6 ménagée sur la partie 9 du bâti 2, prolongé latéralement à cet effet et une semelle correspondante 8 faisant saillie de la structure de la plate-forme. Dans les exemples représentés et conformément à l'invention, les axes de compression des moyens élastiques 5 sont inclinés, les semelles 6 et 8 entre lesquels ils sont disposés étant également inclinées par rapport à l'horizontale à cet effet.According to the embodiment shown in Figure 2, the elastic damping means 5 are arranged between an oblique sole 6 formed on the part 9 of the frame 2, extended laterally for this purpose and a corresponding sole 8 projecting from the structure of the platform . In the examples shown and in accordance with the invention, the compression axes of the elastic means 5 are inclined, the flanges 6 and 8 between which they are arranged also being inclined relative to the horizontal for this purpose.

Ces axes de compression passent sensiblement par le centre instantané de rotation de la partie supérieure de la jambe de telle manière que soit supprimée pratiquement toute variation de l'effort de compression appliqué à ces moyens élastiques et que seul l'effort de cisaillement y soit appliqué. Il résulte de cette disposition que la charge appliquée aux dents des pignons reste sensiblement constante quelques soient les mouvements relatifs effectués.These compression axes pass substantially through the instantaneous center of rotation of the upper part of the leg so that practically any variation in the compression force applied to these elastic means is eliminated and that only the shear force is applied to it . It follows from this arrangement that the load applied to the teeth of the pinions remains substantially constant whatever the relative movements carried out.

Bien évidemment, toute modification apportée par l'Homme de l'Art dans le même esprit ne sortirait pas du cadre de la présente invention tel que défini par les revendications, notamment en ce qui concerne l'emplacement, l'inclinaison et le nombre des moyens élastiques prévus pour chaque dispositif élévateur.Obviously, any modification made by a person skilled in the art in the same spirit would not depart from the scope of the present invention as defined by the claims, in particular as regards the location, the inclination and the number of elastic means provided for each device elevator.

Claims (3)

1. Elevating device of the type using a rack and pinions, which is intended to allow the vertical adjusting of the position of an offshore platform and to hold the latter in the desired position on a plurality of legs on each of which there is rigidly fixed at least one double rack (4) with tooth systems situated opposite one another, said rack being associated with an elevating device comprising at least one pair of pinions (3) which are connected to the structure of the platform (1) by means of a frame (2), each of the said pinions (3) meshing respectively with one of the two tooth systems of the associated rack, so as to be situated each at one of the respective sides of the rack, the said pinions (3) being driven in rotational movement by motor and reuction gear means in such a manner as to bring about the required movements in one direction or the other, said frame (2) being fixed to the said structure by elastic means (5) allowing a relative freedom of movement between said frame and said structure, characterised in that the said elastic means (5) are arranged obliquely in such a manner that the axes of compression of the said means (5) pass substantially through the instantaneous centre of rotation of the upper portion of the said leg.
2. Device according to claim 1, characterised in that the said elastic means (5) are arranged between an oblique bearing portion (6) formed in a recess of a foot (7) integral with the said frame (2) and a corresponding bearing portion (8) projecting from the said structure (1).
3. Device according to claim 1, characterised in that the said elastic means (5) are arranged between an oblique bearing portion (6) arranged on a part (9) of the frame (2), this frame being prolonged for this purpose, and a corresponding bearing portion (8) projecting from the said structure (1).
EP81402058A 1980-12-31 1981-12-23 Elastic means for an elevating device for an offshore platform Expired EP0056551B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81402058T ATE11944T1 (en) 1980-12-31 1981-12-23 ELASTIC MEANS FOR A MECHANICAL LIFTING DEVICE OF AN OFFSHORE PLATFORM.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8027914A FR2497248A1 (en) 1980-12-31 1980-12-31 ELASTIC MEANS FOR A MARINE PLATFORM MECHANICAL ELEVATOR DEVICE
FR8027914 1980-12-31

Publications (2)

Publication Number Publication Date
EP0056551A1 EP0056551A1 (en) 1982-07-28
EP0056551B1 true EP0056551B1 (en) 1985-02-20

Family

ID=9249704

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81402058A Expired EP0056551B1 (en) 1980-12-31 1981-12-23 Elastic means for an elevating device for an offshore platform

Country Status (7)

Country Link
US (1) US4443000A (en)
EP (1) EP0056551B1 (en)
JP (1) JPS57133917A (en)
AT (1) ATE11944T1 (en)
DE (1) DE3169124D1 (en)
FR (1) FR2497248A1 (en)
NO (1) NO151937C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007034049B3 (en) * 2007-07-19 2008-06-12 Hoerbiger Automatisierungstechnik Holding Gmbh Piezoelectric valve has stop provided outside annular face formed by abutting first and second sealing structures and in closed position of flexible element limits deformation of second sealing structure in region of sealing face

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2520868A1 (en) * 1982-02-01 1983-08-05 Brissonneau & Lotz DEVICE FOR THE MEASUREMENT OF LOADS APPLIED TO THE BATIS OF LIFTING MECHANISMS OF MARINE PLATFORMS
CA1330907C (en) * 1987-12-18 1994-07-26 Jovito N. Abellana Platen module for a modular mailing machine
CA2000132C (en) * 1988-10-12 2000-08-01 Danilo P. Buan Improved platen module
FR2759400B1 (en) * 1997-02-07 1999-04-23 Schlumberger Services Petrol OIL DRILLING PLATFORM OF THE JACK-UP TYPE OR WITH RACK PILLARS WITH RACK, INDEPENDENTLY ELEVATED FOR EACH MEMBRANE OF EACH PILLAR
US6523647B2 (en) * 2001-05-21 2003-02-25 Hydro Mobile Inc. Elevating platform assembly
US7334305B2 (en) * 2003-12-12 2008-02-26 S&S Cycle, Inc. Bearing and seal installation device and method
FR2881413B1 (en) * 2005-01-28 2008-02-29 Hydralift Blm Sa DEVICE FOR MANEUVERING A STRUCTURE IN ELEVATION OR LOWERING
BE1019907A4 (en) * 2011-04-18 2013-02-05 Geosea N V AVAILABLE OFFSHORE PLATFORM AND METHOD FOR SUPPRESSING LATERAL OSCILLATING MOVEMENTS.
US9145956B2 (en) 2013-01-25 2015-09-29 Gustomsc Resources B.V. Torque sharing drive and torque sharing process
US9531237B2 (en) 2013-12-19 2016-12-27 Gustomsc Resources B.V. Dual rack output pinion drive
CN103850236B (en) * 2014-01-21 2015-11-04 武汉船用机械有限责任公司 Pinion and-rack platform hoist system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2538954A (en) * 1945-12-12 1951-01-23 M B Mfg Company Inc Nondirectional isolator unit
GB796231A (en) * 1955-11-08 1958-06-11 Metalastik Ltd Improvements in or relating to vibration absorbing mounting
US3007317A (en) * 1957-10-01 1961-11-07 De Long Corp System for erecting a marine platform
US3007676A (en) * 1959-12-09 1961-11-07 Addison W Arthurs Energy-recuperating lifting jack
GB1089669A (en) * 1965-08-06 1967-11-01 American Mach & Foundry Jacking system for off-shore platforms
BE758930A (en) * 1969-11-14 1971-04-16 Armco Steel Corp Structure supported by pylons, installed offshore, with lifting devices
US3967457A (en) * 1974-07-11 1976-07-06 Engineering Technology Analysts, Inc. Self-elevating offshore drilling unit legs
US3986368A (en) * 1975-05-27 1976-10-19 Levingston Shipbuilding Company Load equalizing and shock absorber system for off-shore drilling rigs
JPS589781Y2 (en) * 1976-08-12 1983-02-22 東海ゴム工業株式会社 Automotive engine support device
FR2383118A1 (en) * 1977-03-10 1978-10-06 Metalliques Entrepr Cie Fse Assembly for installation of offshore oil drilling rig - has screw jacks enabling positioning of piles relative to platform and includes shock absorbers
NL7713674A (en) * 1977-12-09 1979-06-12 Stevin Baggeren Bv WORK PLATFORM.
FR2436099A1 (en) * 1978-09-14 1980-04-11 Brissonneau & Lotz Lifting mechanism for offshore oil drilling platform - has elastic abutments to ensure equal share of load to each driving pinion

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007034049B3 (en) * 2007-07-19 2008-06-12 Hoerbiger Automatisierungstechnik Holding Gmbh Piezoelectric valve has stop provided outside annular face formed by abutting first and second sealing structures and in closed position of flexible element limits deformation of second sealing structure in region of sealing face

Also Published As

Publication number Publication date
NO151937C (en) 1985-07-03
DE3169124D1 (en) 1985-03-28
FR2497248A1 (en) 1982-07-02
US4443000A (en) 1984-04-17
JPS57133917A (en) 1982-08-18
ATE11944T1 (en) 1985-03-15
NO814478L (en) 1982-07-01
FR2497248B1 (en) 1983-11-10
NO151937B (en) 1985-03-25
EP0056551A1 (en) 1982-07-28

Similar Documents

Publication Publication Date Title
EP0056551B1 (en) Elastic means for an elevating device for an offshore platform
EP0964102B1 (en) Transport and installation device for the deck of an offshore platform
EP0901428B1 (en) Control equipment device for a frame structure based on a screw pair, each screw bearing a displacing nut
EP0045259B1 (en) Safety device for an offshore platform
FR2690372A1 (en) Robot with parallel pairs of articulating arms - includes base with three arm assemblies disposed on it and support for supporting actuating member,with individual arms of assemblies being driven by separate motors
FR2520868A1 (en) DEVICE FOR THE MEASUREMENT OF LOADS APPLIED TO THE BATIS OF LIFTING MECHANISMS OF MARINE PLATFORMS
EP0425339B1 (en) Suspension and handling device, integrated in the legs of a self elevating offshore platform
CA2560217C (en) Device for emitting seismic vibration waves
FR2539346A1 (en) AUTOMATIC MANIPULATOR DEVICE ARTICULATED IN PARTICULAR FOR ARC WELDING
EP1319924B1 (en) Height gauge
FR2639042A1 (en) DEVICE FOR DRIVING THE MOTOR ROLLS OF A SANDING MACHINE FOR SHEET-GLAZING AND CALANDER EQUIPPED WITH SAID DEVICE
EP0100926B1 (en) Material handling vehicle with an orientable arm and incorporated stabiliser frame
EP0109907B1 (en) Device for maintaining a boring machine in a vertical position
EP0056753B1 (en) Lifting device for self-elevating off-shore platform
FR2487775A1 (en) Retractable leg mechanism for offshore drilling platform - use rack and pinion drive with additional safety pinions and braking devices
FR2958554A1 (en) POSTURAL DISRUPTION PLATFORM
FR2753466A1 (en) Powered lifting drive for marine platforms
EP0692317B1 (en) Device for generating vibrations, particularly for a press-table used for the manufacture of concrete products
FR2511504A1 (en) DEVICE FOR MEASURING HIGH LOADS EXERCISING ON STEEL OR OTHER STRUCTURE
FR2564364A1 (en) Support intended especially for the connection of a machining device by milling or abrasivestrip to a robot or manipulator arm
CH640432A5 (en) SCREENING MACHINE.
JPS5854213B2 (en) pile press-in machine
FR2767108A1 (en) Vessel steering assembly
EP0266332B1 (en) Mechanical device for platform stabilisation
FR2730483A1 (en) Elevating beam for theatrical scenes

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT BE CH DE FR GB IT LU NL SE

17P Request for examination filed

Effective date: 19821119

ITF It: translation for a ep patent filed

Owner name: BARZANO' E ZANARDO ROMA S.P.A.

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Designated state(s): AT BE CH DE FR GB IT LI LU NL SE

REF Corresponds to:

Ref document number: 11944

Country of ref document: AT

Date of ref document: 19850315

Kind code of ref document: T

REF Corresponds to:

Ref document number: 3169124

Country of ref document: DE

Date of ref document: 19850328

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19851231

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 19861230

Year of fee payment: 6

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 19861231

Year of fee payment: 6

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Effective date: 19871223

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Effective date: 19871224

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Effective date: 19871231

Ref country code: CH

Effective date: 19871231

Ref country code: BE

Effective date: 19871231

BERE Be: lapsed

Owner name: BRISSONNEAU ET LOTZ MARINE

Effective date: 19871231

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Effective date: 19880701

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee
GBPC Gb: european patent ceased through non-payment of renewal fee
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19880831

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19880901

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19881121

EUG Se: european patent has lapsed

Ref document number: 81402058.2

Effective date: 19880913