EP0670390B1 - Locking device for an access trapdoor to galleries or underground works - Google Patents
Locking device for an access trapdoor to galleries or underground works Download PDFInfo
- Publication number
- EP0670390B1 EP0670390B1 EP93440102A EP93440102A EP0670390B1 EP 0670390 B1 EP0670390 B1 EP 0670390B1 EP 93440102 A EP93440102 A EP 93440102A EP 93440102 A EP93440102 A EP 93440102A EP 0670390 B1 EP0670390 B1 EP 0670390B1
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- European Patent Office
- Prior art keywords
- slave
- leaf
- leaves
- service
- under
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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-
- 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
Definitions
- the subject of the present invention is a locking device for an access hatch underground galleries and civil engineering works, especially those of telephone networks, that said hatch is made up of one or more leaves.
- the bolted hatches have the downside that the bolts are likely to rust and seize, making it difficult for them opening and closing.
- the device for locking a hatch access to galleries and underground civil engineering works consisting of at least one leaf, is characterized in that on the one hand, a so-called service leaf, is equipped with a lock which can be operated from the outside by means of a key, and that on the other hand said service leaf and the one or more other leaves, called slave leaves, include means who, in association with the other slave leaves or with the frame of the structure, allow the connection said slave leaves between themselves or in the frame, so that the removal of said slave leaves cannot be performed, on the one hand only after unlocking and removal of said service leaf, and on the other hand only after sliding relative of at least one slave leaf relative to the frame dormant, so that said means separate anchor points provided on the frame.
- the sleeping frame has in its edges longitudinal engravings or horizontal stops intended to receive locking fingers arranged laterally on each of the leaves, welded to their face lower.
- a leaf is installed by sliding horizontal of said leaf on the bottom of the frame rebate until its locking fingers borrow inclines leading to the engravings, or else they fit under the horizontal stops, according to the architecture of the frame.
- the leaves slaves are provided on their undersides along a edge, on the one hand, of two known type spring locks, whose bolts can be inserted into strikes performed under the frame, and on the other hand beaten dish projecting outwards, the edge which is opposite comprising at least two anchoring fingers arranged on its underside, perpendicular to said edge.
- the anchor fingers of a leaf, slave or service are blocked under the battered plates of the slave leaves neighbors, those of the extreme leaf taking place in strikes made under the frame.
- a third embodiment when the leaves of a hatch are made in two shaped parts approximately triangular, to each of the two parts of a leaf are welded, on its underside, at least two anchor fingers, one under the edge intended to be placed on the frame sleeping in order to be inserted under a stop horizontal welded to said frame, the other under the edge in diagonal of said part and intended to take place under the corresponding edge of the second part.
- the two parts of a leaf slave are similar, therefore interchangeable, as are two slave leaves.
- the service door has a similar part to those of the slave leaves, and another fitted with a Commander lock, in addition to the exit from a bolt, the exit from the side adjacent to that comprising said bolt, with a finger lock entering into a strike made in the sleeping.
- a hatch locking device includes a frame 1 in the bottom 10 of the rebate from which are inclined planes 11 leading to engravings 12.
- the sleeping frame 1 is intended to receive two slave leaves 2 and a service leaf 3.
- the leaves slaves 2 each have two undersides locking fingers 20 arranged near their edges in contact with the frame and substantially diagonally one compared to each other.
- Service leaf 3 has on its edge outside, arranged on its underside, a lock 30 of known type, and along its opposite edge two fingers anchor 31.
- the closure of the structure is carried out in a first step by sliding the slave leaf 2 at the end on the bottom 10 of the rebate of the frame 1 until the locking fingers 20 take the inclined planes 11 and fit into the engravings 12.
- the slave leaf 2 next and the service leaf 3 are positioned on the frame of frame 1 in the same way, then lock 30 is locked.
- each slave leaf 2 has spring latches on the one hand 21, of known type, arranged near its most edge close to service leaf 3, whose bolts 22 can be engaged in strikes 13 practiced under the frame 1, on the other hand anchor fingers 23 arranged under its opposite edge, and on the other hand still under its edge comprising the latches 21, a battue plate 24, welded to the end of the said edge and overflowing from it towards outside.
- Service leaf 3 has fingers anchor 32 under the edge opposite to that comprising a lock 30.
- the closure of the structure is carried out in a first step by sliding the slave leaf 2 at the end on the rebate 10 of the frame 1, until the anchor fingers 23 engage in strikes 14 formed under the frame 1, then the bolts 22 of the locks 21 are engaged in strikes 13.
- the following slave leaf 2 is then placed on the frame of the frame 1 and by sliding the anchor fingers 23 are engaged under the battue plate 24 of the slave leaf 2 end, then locks 21 are operated and the service leaf 3 is put in place, blocking the assembly.
- the half-slab 33 of the service leaf 3 comprises a lock 30 which, in addition to the operation of a bolt 35, allows the operation of a locking finger 36 positioned perpendicular to the bolt 35, on an edge adjacent to that comprising said bolt 35.
- the half-slabs 25, 26 and 34 each have under their diagonal edge an anchoring finger, respectively 27, 28 and 37 placed under the adjacent half-slab, 26, 25 and 33 respectively, in order to prevent its uprising.
- the half-slabs 34, 25 and 26, which are identical, are secured to the frame, not shown, by fingers 38 which each insert under a stopper horizontal 15 as shown in Figure 1a.
- the slave leaves are interchangeable, this which facilitates their replacement in the event of deterioration, and further facilitates the closure of access to the structure.
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Gates (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
Description
La présente invention a pour objet un dispositif de verrouillage d'une trappe d'accès aux galeries et ouvrages souterrains du génie civil, notamment ceux des réseaux téléphoniques, que ladite trappe soit constituée d'un ou de plusieurs vantaux.The subject of the present invention is a locking device for an access hatch underground galleries and civil engineering works, especially those of telephone networks, that said hatch is made up of one or more leaves.
Actuellement les ouvrages du génie civil sont fermés par une trappe constituée d'un ou plusieurs vantaux provenant de fonderie, ou réalisés en mécano-soudé ou en béton, de forme rectangulaire ou triangulaire, reposant par leurs bords sur le fond de feuillure d'un cadre dormant, auquel ils sont parfois solidarisés par vissage au moyen de boulons accessibles depuis l'extérieur.Currently civil engineering works are closed by a hatch made up of one or more than one leaf from a foundry, or made of welded or concrete, shaped rectangular or triangular, resting by their edges on the rebate background of a sleeping frame, to which they are sometimes joined by screwing to by means of bolts accessible from the outside.
L'inconvénient de ces dispositifs est que n'importe qui peut avoir accès auxdits ouvrages, même ceux fermés par boulonnage, puisqu'il suffit d'être en possession des outils adéquats.The downside of these devices is that anyone can have access to these works, even those closed by bolting, since it suffices to be in possession of the appropriate tools.
De plus les trappes boulonnées présentent l'inconvénient que les boulons sont susceptibles de rouiller et de gripper, rendant difficiles leur ouverture et leur fermeture. In addition, the bolted hatches have the downside that the bolts are likely to rust and seize, making it difficult for them opening and closing.
Il existe bien des dispositifs de trappes munis d'une serrure qui sont destinés à équiper les ouvrages récents, mais il n'est pas possible, d'un point de vue économique de les substituer aux dispositifs existants, étant donné le nombre important de ceux-ci.There are many hatch devices with a lock which are intended to equip recent works, but it from an economic point of view is not possible replace existing devices, given the number important of these.
Il existe également des dispositifs de verrouillage de trappe adaptable sur les trappes existantes, mais ceux-ci ne concernent que les trappes constituées d'un seul vantail monté pivotant sur le cadre dormant.There are also hatch locking devices adaptable to existing hatches, but these do not concern that the hatches made up of a single leaf pivotally mounted on the sleeping frame.
On connaít, par le document FR-A-2 599 066, un dispositif de verrouillage d'une trappe d'accès aux galeries et ouvrages souterrains de génie civil, constitué d'au moins un vantail. Chacun des vantaux est muni de verrous qui sont actionnés en même temps par une tringle qui coopère avec le système de fermeture centrale positionné sur l'un des tampons d'extrémité.We know, from document FR-A-2 599 066, a device for locking an access hatch to galleries and structures underground civil engineering, consisting of at least one leaf. Each of the leaves is fitted with locks which are actuated by at the same time by a rod which cooperates with the system of central closure positioned on one of the pads end.
A cet effet, le dispositif de verrouillage d'une trappe d'accès aux galeries et ouvrages souterrains du génie civil constituée d'au moins un vantail, se caractérise en ce que d'une part un vantail dit de service, est équipé d'une serrure manoeuvrable depuis l'extérieur au moyen d'une clé, et que d'autre part ledit vantail de service et le ou les autres vantaux, dits vantaux esclaves, comportent des moyens qui, en association avec les autres vantaux esclaves ou avec le cadre dormant de l'ouvrage, permettent la solidarisation desdits vantaux esclaves entre eux ou au dormant, de manière que la dépose desdits vantaux esclaves ne puisse être réalisée, d'une part qu'après déverrouillage et dépose dudit vantail de service, et d'autre part qu'après glissement relatif d'au moins un vantail esclave par rapport au cadre dormant, de manière à ce que lesdits moyens se désolidarisent des points d'ancrage prévus sur le cadre dormant. To this end, the device for locking a hatch access to galleries and underground civil engineering works consisting of at least one leaf, is characterized in that on the one hand, a so-called service leaf, is equipped with a lock which can be operated from the outside by means of a key, and that on the other hand said service leaf and the one or more other leaves, called slave leaves, include means who, in association with the other slave leaves or with the frame of the structure, allow the connection said slave leaves between themselves or in the frame, so that the removal of said slave leaves cannot be performed, on the one hand only after unlocking and removal of said service leaf, and on the other hand only after sliding relative of at least one slave leaf relative to the frame dormant, so that said means separate anchor points provided on the frame.
Selon un premier mode de réalisation, particulièrement réservé aux ouvrages nécessitant le remplacement du cadre dormant pour raison de détérioration ou d'oxydation, le cadre dormant comporte dans ses bords longitudinaux des engravures ou des butées horizontales destinées à recevoir des doigts de verrouillage disposés latéralement sur chacun des vantaux, soudés à leur face inférieure. According to a first embodiment, particularly reserved for works requiring replacement of the sleeping frame due to deterioration or of oxidation, the sleeping frame has in its edges longitudinal engravings or horizontal stops intended to receive locking fingers arranged laterally on each of the leaves, welded to their face lower.
La pose d'un vantail est réalisée par glissement horizontal dudit vantail sur le fond de feuillure du dormant jusqu'à ce que ses doigts de verrouillage empruntent des plans inclinés menant aux engravures, ou bien qu'ils s'encastrent sous les butées horizontales, selon l'architecture du dormant.A leaf is installed by sliding horizontal of said leaf on the bottom of the frame rebate until its locking fingers borrow inclines leading to the engravings, or else they fit under the horizontal stops, according to the architecture of the frame.
Lorsque les doigts de verrouillage sont insérés dans les engravures ou sous les butées horizontales, le vantail ne peut plus être soulevé, et la mise en place du vantail de service et son verrouillage au moyen de la serrure qu'il comporte interdit l'ouverture de la trappe.When the locking fingers are inserted in the engravings or under the horizontal stops, the leaf can no longer be lifted, and the installation of the service leaf and its locking by means of the lock that it includes prohibiting the opening of the hatch.
Selon un deuxième mode de réalisation, adapté aux cas où le cadre dormant existant est conservé, les vantaux esclaves sont munis à leur face inférieure, le long d'un bord, d'une part de deux verrous à ressort de type connu, dont les pênes peuvent être introduits dans des gâches pratiquées sous le cadre du dormant, et d'autre part d'un plat de battue le débordant vers l'extérieur, le bord qui lui est opposé comportant au moins deux doigts d'ancrage disposés à sa face inférieure, perpendiculairement audit bord. Les doigts d'ancrage d'un vantail, esclave ou de service, sont bloqués sous les plats de battue des vantaux esclaves voisins, ceux du vantail extrême prenant place dans des gâches pratiquées sous le cadre du dormant.According to a second embodiment, adapted to if the existing frame is kept, the leaves slaves are provided on their undersides along a edge, on the one hand, of two known type spring locks, whose bolts can be inserted into strikes performed under the frame, and on the other hand beaten dish projecting outwards, the edge which is opposite comprising at least two anchoring fingers arranged on its underside, perpendicular to said edge. The anchor fingers of a leaf, slave or service, are blocked under the battered plates of the slave leaves neighbors, those of the extreme leaf taking place in strikes made under the frame.
Selon un troisième mode de réalisation, quand les vantaux d'une trappe sont réalisés en deux parties de forme approximativement triangulaire, à chacune des deux parties d'un vantail sont soudés, à sa face inférieure, au moins deux doigts d'ancrage, l'un sous le bord destiné à être posé sur le cadre dormant en vue d'être inséré sous une butée horizontale soudée sur ledit dormant, l'autre sous le bord en diagonale de ladite partie et destiné à prendre place sous le bord correspondant de la deuxième partie.According to a third embodiment, when the leaves of a hatch are made in two shaped parts approximately triangular, to each of the two parts of a leaf are welded, on its underside, at least two anchor fingers, one under the edge intended to be placed on the frame sleeping in order to be inserted under a stop horizontal welded to said frame, the other under the edge in diagonal of said part and intended to take place under the corresponding edge of the second part.
Avantageusement les deux parties d'un vantail esclave sont semblables, donc interchangeables, comme le sont deux vantaux esclaves. Advantageously the two parts of a leaf slave are similar, therefore interchangeable, as are two slave leaves.
Le vantail de service comporte une partie semblable à celles des vantaux esclaves, et une autre munie d'une serrure commandant, outre la sortie d'un pêne, la sortie, du côté adjacent à celui comportant ledit pêne, d'un doigt de verrouillage entrant dans une gâche pratiquée dans le dormant.The service door has a similar part to those of the slave leaves, and another fitted with a Commander lock, in addition to the exit from a bolt, the exit from the side adjacent to that comprising said bolt, with a finger lock entering into a strike made in the sleeping.
Les avantages et les caractéristiques de la présente invention ressortiront plus clairement de la description qui suit et qui se rapporte au dessin annexé, lequel en représente plusieurs modes de réalisation non limitatifs.The advantages and features of the present invention will emerge more clearly from the description which follows and which relates to the appended drawing, which represents several embodiments not limiting.
Dans le dessin annexé :
- la figure 1 représente une vue partielle, en perspective et en éclaté, d'un premier mode de réalisation du dispositif de verrouillage d'une trappe selon l'invention dont les vantaux sont supposés être transparents.
- la figure 1a représente une vue partielle en perspective d'une variante de ce premier mode de réalisation.
- la figure 2 représente une vue en perspective et en éclaté d'un deuxième mode de réalisation du dispositif selon l'invention dans lequel les vantaux sont également supposés être transparents.
- la figure 3 représente une vue en coupe d'un détail de la figure 2.
- la figure 4 représente une vue de dessous d'un détail de la figure 2.
- la figure 5 représente une vue partielle en plan et en éclaté d'un troisième mode de réalisation du dispositif selon l'invention.
- FIG. 1 represents a partial view, in perspective and exploded, of a first embodiment of the device for locking a hatch according to the invention, the leaves of which are supposed to be transparent.
- Figure 1a shows a partial perspective view of a variant of this first embodiment.
- 2 shows a perspective and exploded view of a second embodiment of the device according to the invention in which the leaves are also assumed to be transparent.
- FIG. 3 represents a sectional view of a detail of FIG. 2.
- FIG. 4 represents a bottom view of a detail of FIG. 2.
- FIG. 5 represents a partial plan and exploded view of a third embodiment of the device according to the invention.
Si on se réfère à la figure 1 on peut voir qu'un
dispositif de verrouillage d'une trappe selon l'invention
comprend un cadre dormant 1 dans le fond 10 de feuillure
duquel sont pratiqués des plans inclinés 11 menant à des
engravures 12.If we refer to Figure 1 we can see that a
hatch locking device according to the invention
includes a
Le cadre dormant 1 est destiné à recevoir deux
vantaux esclaves 2 et un vantail de service 3. Les vantaux
esclaves 2 comportent chacun à leur face inférieure deux
doigts de verrouillage 20 disposés à proximité de leurs bords
en contact avec le dormant et sensiblement en diagonale l'un
par rapport à l'autre.The
Le vantail de service 3 comporte sur son bord
extérieur, disposée à sa face inférieure, une serrure 30 de
type connu, et le long de son bord opposé deux doigts
d'ancrage 31.
La fermeture de l'ouvrage est réalisée dans un
premier temps par glissement du vantail esclave 2 d'extrémité
sur le fond 10 de feuillure du cadre dormant 1 jusqu'à ce que
les doigts de verrouillage 20 empruntent les plans inclinés
11 et s'insèrent dans les engravures 12. Le vantail esclave 2
suivant et le vantail de service 3 sont positionnés sur le
cadre du dormant 1 de la même manière, puis la serrure 30 est
verrouillée.The closure of the structure is carried out in a
first step by sliding the
En référence à la figure 1a on peut voir que les
engravures 12 peuvent être remplacées par des butées
horizontales 15, dont une seule est visible, soudées au
dormant 1, ce mode de réalisation étant préconisé notamment
quand l'ouvrage existant est préfabriqué et qu'il n'est pas
possible de réaliser des engravures dans le dormant.Referring to Figure 1a we can see that the
Si on se réfère maintenant aux figures 2, 3 et 4 on
peut voir que dans un deuxième mode de réalisation chaque
vantail esclave 2 comporte d'une part des verrous à ressort
21, de type connu, disposés à proximité de son bord le plus
proche du vantail de service 3, dont les pênes 22 peuvent
être engagés dans des gâches 13 pratiquées sous le cadre du
dormant 1, d'autre part des doigts d'ancrage 23 disposés sous
son bord opposé, et d'autre part encore sous son bord
comportant les verrous 21, un plat de battue 24, soudé à
l'extrémité dudit bord et débordant de celui-ci vers
l'extérieur.If we now refer to Figures 2, 3 and 4 we
can see that in a second embodiment each
Le vantail de service 3 comporte des doigts
d'ancrage 32 sous le bord opposé à celui comportant une
serrure 30.
La fermeture de l'ouvrage est réalisée dans un
premier temps par glissement du vantail esclave 2 d'extrémité
sur le fond de feuillure 10 du dormant 1, jusqu'à ce que les
doigts d'ancrage 23 s'engagent dans des gâches 14 ménagées
sous le dormant 1, puis les pênes 22 des verrous 21 sont
engagés dans les gâches 13. Le vantail esclave 2 suivant est
ensuite placé sur le cadre du dormant 1 et par glissement les
doigts d'ancrage 23 sont engagés sous le plat de battue 24 du
vantail esclave 2 d'extrémité, puis les verrous 21 sont
manoeuvrés et le vantail de service 3 est mis en place,
bloquant l'ensemble.The closure of the structure is carried out in a
first step by sliding the
Si on se réfère maintenant à la figure 5 on peut
voir un vantail de service 3 et un vantail esclave 2
constitués du rassemblement de deux demi-dalles,
respectivement 33, 34 et 25, 26, de forme sensiblement
triangulaire.If we now refer to Figure 5 we can
see a
La demi-dalle 33 du vantail de service 3 comporte
une serrure 30 qui, outre la manoeuvre d'un pêne 35, permet
la manoeuvre d'un doigt de verrouillage 36 positionné
perpendiculairement au pêne 35, sur un bord adjacent à celui
comportant ledit pêne 35.The half-
Les demi-dalles 25, 26 et 34 comportent chacune
sous leur bord diagonal un doigt d'ancrage, respectivement
27, 28 et 37 se plaçant sous la demi-dalle adjacente,
respectivement 26, 25 et 33, en vue d'empêcher son
soulèvement.The half-
Les demi-dalles 34, 25 et 26, qui sont identiques,
sont solidarisées au dormant, non représenté, par des doigts
de verrouillage 38 qui s'insèrent chacun sous une butée
horizontale 15 telle que représentée à la figure 1a.The half-
Il est à noter que, quel que soit le mode de réalisation, les vantaux esclaves sont interchangeables, ce qui facilite leur remplacement en cas de détérioration, et facilite en outre la fermeture de l'accès à l'ouvrage.It should be noted that, whatever the mode of realization, the slave leaves are interchangeable, this which facilitates their replacement in the event of deterioration, and further facilitates the closure of access to the structure.
Claims (5)
- Device for locking an access trap to underground galleries and works in civil engineering consisting of at least one leaf, characterised in that on the one hand a so-called service leaf (3) is equipped with a lock (30) which can be operated from outside by means of a key, and in that on the other hand the said service leaf (3) and the other leaf or leaves (2), referred to as slave leaves, have means (20, 31, 21, 23, 32, 27, 28, 37, 38) which, in association with the other slave leaves or with the fixed frame (1) of the works, enable the said slave leaves (2) to be secured to each other or to the frame, so that the said slave leaves (2) can be removed on the one hand only after unlocking and removal of the said service leaf (3) and on the other hand only after relative sliding of at least one slave leaf with respect to the fixed frame (1), so that the said means (20, 31, 21, 23, 32, 27, 28, 37, 38) are disconnected from the anchoring points (11, 12, 13, 14, 15) provided on the fixed frame (1).
- Device according to Claim 1, characterised in that the fixed frame (1) has, in the rebate edge (10) of its longitudinal sides, housings (12) situated in line with inclined planes (11), and the service (3) and slave (2) leaves each have, at their bottom face, positions substantially on a diagonal with respect to each other, two anchoring fingers (20, 31) intended to be introduced into the said housings (12) by sliding of the said leaves (2, 3) on the rebate edges (10).
- Device according to Claim 1, characterised in that horizontal stops (15) are welded to the fixed frame (1) and the service (3) and slave (2) leaves each have, at their bottom face, positioned substantially on a diagonal with respect to each other, two anchoring fingers (20, 31) intended to come to be positioned underneath the said horizontal stops (15).
- Device according to Claim 1, characterised in that the service leaves (2) each have on the one hand, under an edge, parallel to the said edge and to its bottom face, two snap bolts (21) whose latches (22) can be introduced into keepers (13) formed below the fixed frame (1) and on the other hand, under the other edge, parallel to the first, at its bottom face and perpendicular to the said edge, anchoring fingers (23) able to be either, for the end slave leaf (2), introduced into keepers (14) formed under the fixed frame (1) or, for the other slave (2) and service (3) leaves, engaged under the adjacent slave leaf (2), underneath a flat (24) disposed under its edge comprising the spring bolts (21).
- Device according to Claim 1, characterised in that the service (3) and slave (2) leaves which are formed by the connection of two half-slabs (33, 34, 25, 26) with a substantially triangular shape, have, under each of the said half-slabs (25, 26), slave leaves (2) and one (34) of the half-slabs (33, 34) of the service leaf, on the one hand under their diagonal edge an anchoring finger (27, 28, 37) intended to be engaged under the adjacent half-slab (26, 25, 33), making it possible to reconstitute the service (3) or slave (2) leaf, and on the other hand, under the lateral edge intended to rest on the fixed frame (1), a locking finger (38) which is engaged by sliding under horizontal stops welded to the said fixed frame (1), the end half-slab (33) of the service leaf having a lock (30) operating, in addition to a latch (35), a locking finger (36) with its axis perpendicular to that of the said latch (35).
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9215576A FR2699571B1 (en) | 1992-12-18 | 1992-12-18 | Locking device for an access hatch to galleries and underground civil engineering works. |
DE69325916T DE69325916T2 (en) | 1992-12-18 | 1993-12-30 | Device for locking an access door of a gallery or an underground structure |
EP93440102A EP0670390B1 (en) | 1992-12-18 | 1993-12-30 | Locking device for an access trapdoor to galleries or underground works |
OA60528A OA09958A (en) | 1992-12-18 | 1994-06-21 | Locking device for an access hatch to galleries and underground civil engineering structures |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9215576A FR2699571B1 (en) | 1992-12-18 | 1992-12-18 | Locking device for an access hatch to galleries and underground civil engineering works. |
EP93440102A EP0670390B1 (en) | 1992-12-18 | 1993-12-30 | Locking device for an access trapdoor to galleries or underground works |
OA60528A OA09958A (en) | 1992-12-18 | 1994-06-21 | Locking device for an access hatch to galleries and underground civil engineering structures |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0670390A1 EP0670390A1 (en) | 1995-09-06 |
EP0670390B1 true EP0670390B1 (en) | 1999-08-04 |
Family
ID=33303478
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93440102A Expired - Lifetime EP0670390B1 (en) | 1992-12-18 | 1993-12-30 | Locking device for an access trapdoor to galleries or underground works |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0670390B1 (en) |
DE (1) | DE69325916T2 (en) |
FR (1) | FR2699571B1 (en) |
OA (1) | OA09958A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2732050B1 (en) * | 1995-03-24 | 1997-07-11 | Barat Sa | DEVICE FOR A TRIANGULATED TRAP OF ACCESS TO GALLERIES AND UNDERGROUND WORKS OF CIVIL ENGINEERING |
FR2790496B1 (en) | 1999-03-05 | 2001-04-13 | Norinco | SIMPLIFIED SELECTIVE LOCKING DOOR |
GB2514527B (en) * | 2012-09-28 | 2017-11-22 | British Telecomm | Footway box cover system |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4294049A (en) * | 1979-01-16 | 1981-10-13 | Marathon Oil Company | Quick opening internal manway for towers |
FR2599066B1 (en) * | 1986-05-26 | 1993-05-07 | Sambre & Meuse Usines | LOCKABLE MULTI-PANEL DOOR |
GB2230036B (en) * | 1989-04-05 | 1992-12-02 | Glynwed Consumer & Building | Cover for a cover and frame assembly |
-
1992
- 1992-12-18 FR FR9215576A patent/FR2699571B1/en not_active Expired - Fee Related
-
1993
- 1993-12-30 DE DE69325916T patent/DE69325916T2/en not_active Expired - Lifetime
- 1993-12-30 EP EP93440102A patent/EP0670390B1/en not_active Expired - Lifetime
-
1994
- 1994-06-21 OA OA60528A patent/OA09958A/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE69325916T2 (en) | 1999-12-02 |
FR2699571A1 (en) | 1994-06-24 |
FR2699571B1 (en) | 1999-04-02 |
DE69325916D1 (en) | 1999-09-09 |
OA09958A (en) | 1995-12-11 |
EP0670390A1 (en) | 1995-09-06 |
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