EP0280872A1 - Dispositif pour retenir un couverde qui ferme un orifice - Google Patents

Dispositif pour retenir un couverde qui ferme un orifice Download PDF

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Publication number
EP0280872A1
EP0280872A1 EP88101152A EP88101152A EP0280872A1 EP 0280872 A1 EP0280872 A1 EP 0280872A1 EP 88101152 A EP88101152 A EP 88101152A EP 88101152 A EP88101152 A EP 88101152A EP 0280872 A1 EP0280872 A1 EP 0280872A1
Authority
EP
European Patent Office
Prior art keywords
grate
frame
cover
closing
locking
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.)
Granted
Application number
EP88101152A
Other languages
German (de)
English (en)
Other versions
EP0280872B1 (fr
Inventor
Derek Ferns
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.)
Von Roll AG
Original Assignee
Von Roll AG
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
Priority claimed from GB878702221A external-priority patent/GB8702221D0/en
Priority claimed from GB878702585A external-priority patent/GB8702585D0/en
Application filed by Von Roll AG filed Critical Von Roll AG
Priority to AT88101152T priority Critical patent/ATE77861T1/de
Publication of EP0280872A1 publication Critical patent/EP0280872A1/fr
Application granted granted Critical
Publication of EP0280872B1 publication Critical patent/EP0280872B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
    • E05C19/06—Other devices specially designed for securing wings, e.g. with suction cups in which the securing part if formed or carried by a spring and moves only by distortion of the spring, e.g. snaps
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1427—Locking devices
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/06—Gully gratings
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/06—Gully gratings
    • E03F2005/065—Gully gratings with elastic locking elements

Definitions

  • the invention relates to a device for securing a cover that closes an opening and is composed of a frame and a cover or grate, the cover or grate being secured by a locking device against the unwanted displacement or removal of the cover.
  • the invention relates to the field of road equipment in which covers for openings, e.g. of shafts, canals, water drains are used, with the cover or grate covering the opening, but for certain purposes, e.g. Controls is removable.
  • covers are not only on streets, but also in atriums, halls, floors in buildings and the like. used.
  • Covers are known in many designs. They consist essentially of a frame and a lid or a grate, the upper edge of the frame and the lid generally being flush with the bottom surface.
  • the cover or grate of such a cover is intended to withstand all the stresses that occur, without being displaced or even lifted out of the frame.
  • the lid or grate is increasingly being built as lightly as possible.
  • materials are also used that have a higher strength, e.g. Spheroidal graphite cast iron.
  • a grate is used, which consists of several spaced bars arranged side by side, each connected to the adjacent bar at opposite ends. Thanks to this serpentine connection of the bars, the grate as a whole is an elastic element that can be compressed and inserted into the frame, where it can be snapped into the frame when relaxing.
  • a disadvantage of this design is that because of the relatively high elasticity, the cover can be elastically deformed when it is passed over by vehicles, so that it can jump out of the frame.
  • At least one elastically deformable, rod-shaped closing element is provided either on the substantially dimensionally stable frame or on the substantially dimensionally stable lid or grate, which is designed as one part of the locking device, while the other part the locking device is a locking element which is arranged in the cover or grate or in the frame and into which the closing element can be snapped using its elastic deformability.
  • the cover shown in Fig. 1 has a frame 1, in which a grate is inserted.
  • the grate 2 is composed of crossing bars 3, 4 and is arranged such that free end parts 5, 6 protrude above the last bar in each case at the ends of the bars.
  • the grate 2 is supported with its end parts 5, 6 on an inside support flange 9 of the frame 1.
  • a locking device 7 is arranged in each of the two corners of the cover shown in FIG. 1.
  • the locking device 7 is composed of a locking element 8 and a locking element 10, see FIG. 2, the locking element 8 being designed as a specially shaped end part the same position as the end part 5 is arranged.
  • the closing element 8 differs from the end part 5 in that it has a thinner wall thickness and a lower overall height, see FIG. 2.
  • the closing element 8 reduces its overall height towards its free end and ends in a closing finger 11 which is in a groove 12 protrudes in frame 1.
  • the groove 12 is additionally covered by a lip 13 which forms part of the edge of the frame 1.
  • the lip 13 extends only into the area of the closing finger 11.
  • the locking device 7 is designed similarly to that according to FIG. 1.
  • the closing element 8 is designed as an elastically deformable arm which is designed with a hinge 15.
  • the band joint 15 can be, for example, a band element known from plastics.
  • the closing element 8 does not need to be given a special shape, but only requires the closing finger 11 at the free end, which is inserted into the groove 12 in the frame 1. If the wall thickness of the frame 1 is sufficient, there is no need to form a lip, but the groove 12 is guided upwards at one end to which point the closing element 8 has to be bent.
  • 1 locking device 7 can be provided in each corner of the frame.
  • two opposite end parts 5 with a pin 16, see FIGS. 10 and 14, which fit into a slot 38 or 43 of the frame 1, see FIGS. 12 and 13, can be inserted as a bearing for the pin 16. If the locking elements 8 of the two locking devices 7 arranged on the opposite side are engaged, the pin 16 can no longer be moved out of its slot 38 or 43.
  • a grate 2 is shown schematically, the rods 3, 4 are arranged in any manner. It is essential here that the frame 2 has no free end parts, but the rods 3 are delimited by edge rods 18. So that the locking device 7 can be used, the edge bars 18 are shortened at the corners of the grate 2, so that a free end part 5 is formed, which can be designed as a closing element 8.
  • the closing element 8 forms the continuation of a rod 3, on which project short end parts 6 with which the grate 2 is supported on the support flange of the frame, see also FIG. 1.
  • FIG. 5 shows a frame 1, on which elastically flexible closing elements 8 are arranged parallel to the one frame side, the roots 19 of which lie on opposite frame sides, see also FIG. 6.
  • a protruding holding finger 20 is arranged at the free end of the closing element 8, which forms an undercut 21 for a finger provided on the grate, not shown.
  • the two closing elements 8 To insert a grate into the frame 1 according to FIG. 6, the two closing elements 8 must be elastically deformed laterally. If the grate or the cover is then inserted, the two closing elements can spring back into their normal position, in which they hold the frame in a form-fitting manner. To simplify the manufacture of the frame 1, this can be at the corners, where the free end of the closing element 8 ends, two parts are divided and then assembled.
  • the locking devices 7 described are all similar and consist of an elastically flexible closing element 8 and a dimensionally stable locking element 10.
  • the elastically flexible closing element 8 can either be arranged in the cover or grate 2, see FIGS. 1-4, or also in the frame 1, see Fig. 6. In the latter case, the dimensionally stable locking element is a closing finger arranged on the grate or cover 2.
  • the locking devices 7 described in FIGS. 7-15 also work in this way. They are variants and mainly concern constructive deviations.
  • a cover with a grate 2 is shown schematically in FIG. 7, the grate 2 having cross bars 24 and longitudinal bars 25, the latter forming edge bars 25 with projections 26 at the ends. With the projections 26, the grate 2 is mounted on the support flange 14 of the frame 1.
  • the locking elements 10 have a concave, mutually directed surface area 28, under which a recess 29 is located.
  • a locking element 8 engages in this recess 29.
  • the closing element 8 is an angled arm, the foot part 30 of which is supported on the rods 24, 25.
  • a leg 31 adjoins the foot part 30, the free end of which engages in the recess 29 in the normal position.
  • the convexly curved part 28 of the locking elements 10 is used for this purpose.
  • the grate 2 can be pressed down with a certain force, as a result of which the two legs 31 are deformed in such a way that they slide over the curved part 28 and then snap into the recess 29.
  • the two arms 34 of the tool 33 form a slot 36 and have bevels 35 directed towards one another, as a result of which the end of the slot 36 is large enough that the arms 34 can be pushed over the two legs 31, whereby the legs are elastically bent toward one another and thereby the grate 2 can be lifted.
  • the corresponding closing elements 8 can be deformed by the tool 33 and the grate 2 can be lifted out of the frame 1 on this side.
  • four locking devices 7 are required, two of which are each arranged in mirror image.
  • the cross bars 24 and longitudinal bars 25 are dimensionally stable and only the closing elements 8 are elastically deformable. 10
  • these closing elements are obliquely inclined rods arranged at the corners of a longitudinal and a transverse rod, which interact with a locking element 10, see FIG. 11, of the frame 1, not shown. In this case, the closing elements 8 must be spread out so that they can snap under the projection 37 of the locking element 10.
  • pins 16 are arranged on the end faces of the grate, which are guided in grooves 38 of the frame 1, see Fig. 12.
  • the grate 2 can thus first be inserted into the grooves 38 and then with simultaneous deformation of the Closing elements 8 in the Locking elements 10 are snapped onto the frame 1, whereby a form-fitting mounting of the grate 2 in the frame 1 is achieved.
  • the pegs 16 can also be supported according to FIG. 13, a section 42 with a greater wall thickness being provided in the frame 1, into which a slot 43 is incorporated, which is also used as a mount for the pegs 16 on the end faces of the grate 2 is provided.
  • the grate according to FIG. 14 is designed similarly to that in FIG. 10, but the closing elements 8 are designed as bars 45 running parallel to the longitudinal bars 25.
  • the rods 45 are arranged on a dimensionally stable end part 5 and protrude with a cam 46 into the projection 37 of the locking element 10. To engage the rods 45, they must be elastically deformed inward so that they can be pushed over the projection 37.
  • the concavely curved shape of the projection 37 creates the possibility that the grate 2 can be released from the locking element 10 with a certain force. It is therefore a form-fitting connection that is released after a certain force is exceeded.
  • FIGS. 10 and 14 show the use of the grates according to FIGS. 10 and 14 as a row grate, with which a drainage channel 47 is covered.
  • several locking devices 7 are provided, which consist of individually or in pairs arranged, elastically deformable locking elements 8, which are similar to the locking devices shown in Fig. 10 and Fig. 14.
  • the corresponding locking elements 10 are provided on the edge of the drainage channel 47.
  • 16 shows a further grate 2, which has adjacent, curly slots 48.
  • Two opposite grate edges are formed as a closing element 8, which by means of a flexible web 49 with the rest of the Grate 2 is connected. This remaining part of the grate forms a dimensionally stable part, since the bars 50 lying between the slots 48 are connected to one another at both ends.
  • locking fingers 11 are provided, which can snap into the locking element of the frame, not shown.
  • the closing fingers 11 can also be arranged offset by 180 ° at the end of the closing elements 8, as is shown in broken lines in FIG. 16.
  • An elastically deformable material is to be used for the locking elements 8 of the locking devices 7. Since the lids and grids 2 are usually made in one piece, this is suitable, e.g. ductile cast iron in the form of spheroidal graphite or meehanite cast iron. But a plastic, possibly reinforced, is also possible.
  • lids can also be used, with corresponding recesses having to be provided for the locking devices 7.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Sewage (AREA)
  • Baking, Grill, Roasting (AREA)
  • Clamps And Clips (AREA)
EP88101152A 1987-02-02 1988-01-27 Dispositif pour retenir un couverde qui ferme un orifice Expired - Lifetime EP0280872B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88101152T ATE77861T1 (de) 1987-02-02 1988-01-27 Einrichtung zum sichern einer eine oeffnung abschliessenden abdeckung.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB8702221 1987-02-02
GB878702221A GB8702221D0 (en) 1987-02-02 1987-02-02 Roadway furniture
GB8702585 1987-02-05
GB878702585A GB8702585D0 (en) 1987-02-05 1987-02-05 Roadway covers/gratings

Publications (2)

Publication Number Publication Date
EP0280872A1 true EP0280872A1 (fr) 1988-09-07
EP0280872B1 EP0280872B1 (fr) 1992-07-01

Family

ID=26291859

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88101152A Expired - Lifetime EP0280872B1 (fr) 1987-02-02 1988-01-27 Dispositif pour retenir un couverde qui ferme un orifice

Country Status (6)

Country Link
US (2) US4909660A (fr)
EP (1) EP0280872B1 (fr)
AU (1) AU596496B2 (fr)
DE (1) DE3872408D1 (fr)
ES (1) ES2032874T3 (fr)
PT (1) PT86680B (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2205601B (en) * 1987-06-09 1991-08-21 Von Roll Ag Improvements relating to roadway furniture
FR2669655A1 (fr) * 1990-11-27 1992-05-29 Pont A Mousson Moyens de liaison pour pieces de voirie, et piece de voirie correspondante.
EP0506591A1 (fr) * 1991-03-28 1992-09-30 Pont-A-Mousson S.A. Dispositif de couronnement d'une cheminée d'accès ou d'évacuation
EP0694654A1 (fr) 1994-07-29 1996-01-31 Pont-A-Mousson S.A. Dispositif de voirie
FR2731022A1 (fr) * 1995-02-28 1996-08-30 Socarel Caniveau en beton
WO1996039952A1 (fr) * 1995-06-07 1996-12-19 Surgijet Corporation Procede d'utilisation d'un systeme de coupe a jet de liquide
EP0811732A1 (fr) * 1996-06-07 1997-12-10 Prefaest S.A. Grille de caniveau à montage et démontage rapide
FR2793502A1 (fr) 1999-05-11 2000-11-17 Norinco Bouche d'egout a couvercle et grille articules et verrouilles
US7293937B2 (en) 2003-03-25 2007-11-13 Aco Severin Ahlmann Gmbh & Co. Kg Cover arrangement

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5110235A (en) * 1989-05-25 1992-05-05 Abt, Inc. Locking component for securing a cover on a frame
US5320445A (en) * 1990-10-30 1994-06-14 The Jack Farrelly Co. Grate riser assembly for use with catch basins and the like
US5285604A (en) * 1991-10-10 1994-02-15 Tcby Enterprises, Inc. Containerized field kitchen
DE9208359U1 (de) * 1992-06-25 1992-10-15 RPS Recycling Produkte Systeme GmbH, 95615 Marktredwitz Aus Kunststoff bestehendes Mehrzweckbauteil
US6000881A (en) * 1998-02-17 1999-12-14 Zurn Industries, Inc. Trench drain
US6942419B2 (en) * 2002-02-04 2005-09-13 Balco, Inc. Grate assembly
FR2843139B1 (fr) * 2002-08-02 2005-03-18 Norinco "grille pour obtruer un caniveau ou analogue"
GB0220165D0 (en) * 2002-08-30 2002-10-09 Saint Gobain Pipelines Plc A drainage assembly
DE20302195U1 (de) * 2003-02-12 2004-06-17 Hydrotec Technologies Gmbh & Co. Kg Entwässerungsvorrichtung
EP1623076A1 (fr) * 2003-02-17 2006-02-08 Aco Severin Ahlmann Gmbh & Co. Kg Bouche de chaussee permettant un drainage superficiel
JP4628959B2 (ja) * 2004-01-23 2011-02-09 株式会社イトーヨーギョー 集水構造及びこれを用いた排水構造
US6908256B1 (en) * 2004-06-23 2005-06-21 Aco Polymer Products, Inc. Drainage grate assembly
DE202004010995U1 (de) * 2004-07-14 2005-11-17 Hydrotec Technologies Gmbh & Co. Kg Deckel einer Schachtabdeckung sowie Schachtabdeckung
US8132385B2 (en) * 2005-01-13 2012-03-13 Southwest Agri-Plastic, Inc. Benchtop panels
US7588392B2 (en) 2006-04-24 2009-09-15 Zurn Industries, Llc Removable grate
ES2338290B1 (es) * 2007-08-24 2011-02-10 Cofunco, S.A. Registro de servicios provisto de un dispositivo de cierre y de un util de apertura o cierre portatil de bolsillo.
US20090151609A1 (en) * 2007-12-15 2009-06-18 Hoskinson Gordon H Incinerator with pivoting grating system
US8997933B2 (en) * 2010-10-04 2015-04-07 Ardisam, Inc. Load-bearing platform
US20120210653A1 (en) * 2011-02-22 2012-08-23 Consolidated Edison Company Of New York, Inc. Roadway grating system and method thereof
US8794383B2 (en) 2012-01-09 2014-08-05 Rivers Edge Tree Stands, Inc. Ladder stand
US8875727B2 (en) 2012-02-09 2014-11-04 Zurn Industries, Llc Rough-in adapter clip lock for a drain assembly
US9428900B2 (en) 2012-10-31 2016-08-30 Zurn Industries, Llc Rough-in adapter
US9290968B2 (en) * 2012-12-18 2016-03-22 Canada Pipe Company ULC Locking mechanism for a cover
DE102014101322B4 (de) * 2014-02-04 2018-05-30 ACO Severin Ahlmann GmbH & Co Kommanditgesellschaft Abdeckrost
CN110424514A (zh) * 2019-08-01 2019-11-08 河南海威路桥工程咨询有限公司 一种用于排水沟的便携式稳固型装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3130651A (en) * 1960-08-23 1964-04-28 Neenah Foundry Company Mounting for hinged covers
FR2456169A1 (en) * 1979-05-11 1980-12-05 Morel Atel Electromec Rigid plastics gulley grating and frame - are connected in situ by arrowhead frame tongues latching into windows in grating down-stand
GB2079355A (en) * 1980-06-26 1982-01-20 British Steel Corp Locking gully gratings or manhole covers
GB2085946A (en) * 1980-10-17 1982-05-06 British Steel Corp Locking manhole covers and gully grids
US4500120A (en) * 1982-12-22 1985-02-19 Kimberly-Clark Limited Catch or lock
WO1986004624A1 (fr) * 1985-01-30 1986-08-14 Furnes Jernstöperi As Couvercle auto-verrouillable pour trous d'homme

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US26366A (en) * 1859-12-06 Improvement in sewing-machines
US3881832A (en) * 1974-05-16 1975-05-06 Harry A Maguire Low profile protective insert for sewers
GB1539677A (en) * 1977-03-23 1979-01-31 Selflevel Covers Ag Grating
US4504009A (en) * 1980-06-24 1985-03-12 The Continental Group, Inc. Closure having means for retention in tubular container
GB2119836A (en) * 1982-01-29 1983-11-23 Brickhouse Dudley Mfg Manhole cover or grating and frame assemblies
US4661245A (en) * 1982-12-09 1987-04-28 Fioris Pty Ltd. Screening system
DE3600069A1 (de) * 1986-01-03 1987-07-16 United Carr Gmbh Trw Verschlussdeckel aus kunststoff

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3130651A (en) * 1960-08-23 1964-04-28 Neenah Foundry Company Mounting for hinged covers
FR2456169A1 (en) * 1979-05-11 1980-12-05 Morel Atel Electromec Rigid plastics gulley grating and frame - are connected in situ by arrowhead frame tongues latching into windows in grating down-stand
GB2079355A (en) * 1980-06-26 1982-01-20 British Steel Corp Locking gully gratings or manhole covers
GB2085946A (en) * 1980-10-17 1982-05-06 British Steel Corp Locking manhole covers and gully grids
US4500120A (en) * 1982-12-22 1985-02-19 Kimberly-Clark Limited Catch or lock
WO1986004624A1 (fr) * 1985-01-30 1986-08-14 Furnes Jernstöperi As Couvercle auto-verrouillable pour trous d'homme

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2205601B (en) * 1987-06-09 1991-08-21 Von Roll Ag Improvements relating to roadway furniture
FR2669655A1 (fr) * 1990-11-27 1992-05-29 Pont A Mousson Moyens de liaison pour pieces de voirie, et piece de voirie correspondante.
EP0489676A1 (fr) * 1990-11-27 1992-06-10 Pont-A-Mousson S.A. Moyens de liaison pour pièces de voirie, et pièce de voirie correspondante
EP0506591A1 (fr) * 1991-03-28 1992-09-30 Pont-A-Mousson S.A. Dispositif de couronnement d'une cheminée d'accès ou d'évacuation
FR2674560A1 (fr) * 1991-03-28 1992-10-02 Pont A Mousson Dispositif de couronnement d'une cheminee d'acces ou d'evacuation.
EP0694654A1 (fr) 1994-07-29 1996-01-31 Pont-A-Mousson S.A. Dispositif de voirie
FR2723118A1 (fr) * 1994-07-29 1996-02-02 Pont A Mousson Dispositif de voirie
FR2731022A1 (fr) * 1995-02-28 1996-08-30 Socarel Caniveau en beton
WO1996039952A1 (fr) * 1995-06-07 1996-12-19 Surgijet Corporation Procede d'utilisation d'un systeme de coupe a jet de liquide
EP0811732A1 (fr) * 1996-06-07 1997-12-10 Prefaest S.A. Grille de caniveau à montage et démontage rapide
FR2749601A1 (fr) * 1996-06-07 1997-12-12 Prefaest Sa Grille de caniveau a montage et demontage rapide
FR2793502A1 (fr) 1999-05-11 2000-11-17 Norinco Bouche d'egout a couvercle et grille articules et verrouilles
US7293937B2 (en) 2003-03-25 2007-11-13 Aco Severin Ahlmann Gmbh & Co. Kg Cover arrangement

Also Published As

Publication number Publication date
EP0280872B1 (fr) 1992-07-01
PT86680A (pt) 1989-02-28
AU596496B2 (en) 1990-05-03
US4909660A (en) 1990-03-20
AU1099188A (en) 1988-08-04
DE3872408D1 (de) 1992-08-06
US4955752A (en) 1990-09-11
PT86680B (pt) 1993-08-31
ES2032874T3 (es) 1993-03-01

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