EP0976887B1 - Hatch and access method for a suspended ceiling - Google Patents
Hatch and access method for a suspended ceiling Download PDFInfo
- Publication number
- EP0976887B1 EP0976887B1 EP99202449A EP99202449A EP0976887B1 EP 0976887 B1 EP0976887 B1 EP 0976887B1 EP 99202449 A EP99202449 A EP 99202449A EP 99202449 A EP99202449 A EP 99202449A EP 0976887 B1 EP0976887 B1 EP 0976887B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- base
- hatch
- cover
- counter
- hatch according
- 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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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/003—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation with movable parts, e.g. pivoting panels, access doors
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F19/00—Other details of constructional parts for finishing work on buildings
- E04F19/08—Built-in cupboards; Masks of niches; Covers of holes enabling access to installations
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/01—Trap-doors
Definitions
- the present invention relates to the technical sector of traps which are wooden hatches or accesses that are installed in particular in false ceilings of private residences or factories, workshops, offices or stores and malls, to allow access to the attic or false ceiling.
- Access to the attic or false ceilings can be made necessary for unforeseen maintenance, for example a leak on a pipeline passing through the false ceiling, or repairing wiring, maintenance or repair of an air conditioning system, fire safety systems like sprayers automatic sprinklers, and similar operations, or for any another reason.
- the invention also relates to the installation of the trap according to the invention to the construction, that the pose during an intervention unexpected, in all the places mentioned above, and all the places like.
- a trapdoor comprising a frame formed by four sections is disclosed in WO 9508688A.
- the invention relates to a new trap, characterized by its design in three massive parts, this design making it both industrializable on high precision digital machines, in series and therefore at a very low cost, and aesthetically very attractive.
- the cost is further lowered by the design itself which allows to recover almost all of the cutting part of the counter-base to use it as an access hatch in a lower dimension.
- FIG. 1 it is seen, what is known, that the concrete slab 1 of the ceiling supports steel rods 2 themselves intended for support the weight of the plates 5 (for example “plasterboard” (TM)) of the false ceiling, by means of fishplates 3 and known means attachment 4.
- a water inlet 6 supplies a sprinkler 8 via a valve 7.
- b 40 cm
- a 60 cm
- the prior art therefore consists in cutting out the area a, repairing what must be, then rebuild the false ceiling using a trap door handcrafted, often made on site. This process leads to disadvantages mentioned above.
- FIG. 3 represents the three parts of the trap of FIG. 2, after being placed in position according to the diagram in FIG. 2.
- the base 10 comes in slight overlap of the opening, by its rim 11 which serves as a support and also hides the cutout of the plate 5.
- the base and the counter base are united by the cooperation of a clamping means, for example ( Figure 3) pin positioning or 50 'threaded part and fixing by a screw 60.
- a clamping means for example ( Figure 3) pin positioning or 50 'threaded part and fixing by a screw 60.
- the hatch 20 is wedged in position on the base 10 also by a lateral face shoulder 25. Naturally, the hatch forms a surface 22 full.
- a space 14 is preferably provided on the upper surface of the base 10, between the inner vertical edge 35 of the counter base 30 and the recess 17 of the base 10.
- the trap according to the invention can be produced by any material compatible with its use, and is not limited to wood.
- the trappon could be classified M1 fire resistance for, in particular, shopping centers, or a water repellent treaty for wet rooms such as the water features of villas or apartments, and like.
- Parts 10, 20 and 30 can be machined on machines digital cutting, according to the preferred example, in solid wood. Each of them is therefore in one piece, therefore not causing cracks on the trappon itself, which is a big advantage, as explained above. In addition, the saving of time is quite important compared to an artisanal trappon, as well as the reduction Cost.
- the dimensions standardized, or at least usual, for the passage or manhole 15 are 30x30, or 40x40, or 50x50, or 60x60, or 80x40.
- One of the advantages of the invention is that, when one goes make a series of cuts in a counter base piece 30 to cut the opening 32, it will be possible to recover the cut piece so that it becomes a hatch.
- the invention also relates to a method for accessing a false ceiling of shopping center, workshop, factory, or villa or individual apartment (including access to the attic), or similar, according to which one cuts during construction or after construction a part of the false ceiling providing access to it, characterized by what it includes the installation of a trap as defined above.
Abstract
Description
La présente invention concerne le secteur technique des trappons qui sont des trappes ou accès en bois que l'on installe notamment dans les faux plafonds de résidences particulières ou d'usines, d'ateliers, de bureaux ou de magasins et centres commerciaux, afin de permettre l'accès aux combles ou au faux plafond.The present invention relates to the technical sector of traps which are wooden hatches or accesses that are installed in particular in false ceilings of private residences or factories, workshops, offices or stores and malls, to allow access to the attic or false ceiling.
L'accès aux combles ou aux faux plafonds peut être rendu nécessaire pour un entretien imprévu, par exemple une fuite sur une canalisation passant dans le faux plafond, ou la réparation d'un câblage, l'entretien ou la réparation d'une installation de climatisation, de systèmes de sécurité anti-incendie comme les pulvérisateurs automatiques « sprinklers », et opérations analogues, ou pour toute autre raison.Access to the attic or false ceilings can be made necessary for unforeseen maintenance, for example a leak on a pipeline passing through the false ceiling, or repairing wiring, maintenance or repair of an air conditioning system, fire safety systems like sprayers automatic sprinklers, and similar operations, or for any another reason.
L'invention concerne aussi bien la pose du trappon selon l'invention à la construction, que la pose lors d'une intervention imprévue, dans tous les lieux mentionnés plus haut, et tous les lieux analogues.The invention also relates to the installation of the trap according to the invention to the construction, that the pose during an intervention unexpected, in all the places mentioned above, and all the places like.
Une application très importante des trappons concerne les faux plafonds de magasins, centre commerciaux, bureaux.A very important application of trappons concerns fakes store ceilings, shopping centers, offices.
Il arrive fréquemment, pour ce genre de bâtiment, qu'une fuite, par exemple d'une vanne d'arrivée d'eau de sprinkler, entraíne une intervention dans le faux plafond. Actuellement, l'intervention consiste à démonter la partie appropriée du faux plafond, à installer un trappon artisanal, et à refermer la trappe d'accès. L'inconvénient des tarpons artisanaux est double. D'une part, ils sont relativement onéreux et sont longs à fabriquer à l'unité. D'autre part, il subsiste toujours une imperfection dénommée « joint de rupture » au niveau de la jonction entre le bord du trappon et le faux-plafond environnant. On peut couvrir plus ou moins correctement ces défauts, mais il subsiste toujours des imperfections qui ne peuvent pas être laissées en l'état, car donnant à la clientèle une image médiocre du magasin concerné. Il faut souvent repeindre tout le plafond, ce qui représente un coût très important, d'autant que les travaux doivent être effectuées de nuit, pour ne pas entraver l'activité normale du magasin.It frequently happens, for this kind of building, that a leak, by example of a sprinkler water inlet valve, causes a intervention in the false ceiling. Currently, the intervention consists of dismantle the appropriate part of the false ceiling, install a trap door craft, and to close the access hatch. The disadvantage of tarpons craftsmanship is twofold. On the one hand, they are relatively expensive and are long to manufacture individually. On the other hand, there is still a imperfection called "rupture joint" at the junction between the edge of the trap and the surrounding false ceiling. We can cover more or less correctly these faults, but there are still some imperfections that cannot be left as they are, because giving the customers a poor image of the store concerned. It often takes repainting the entire ceiling, which represents a very significant cost, especially as the work must be done at night, so as not to hinder the normal activity of the store.
On voit donc qu'il existe un besoin important en un trappon qui serait peu onéreux et pourrait être posé et laissé sur place après l'intervention sans nécessiter de retouches autour de la pose.So we see that there is a significant need for a trap that would be inexpensive and could be put down and left there after the intervention without requiring touch-ups around the installation.
Actuellement, les trappons sont fabriqués de manière artisanale, à partir de divers éléments de bois qui sont découpés et assemblés à la main par le menuisier.Currently, the trappons are handcrafted, from various pieces of wood which are cut and assembled hand by the carpenter.
Un trappon comprenant un cadre formé par quatre profilés est divulgué dans WO 9508688A.A trapdoor comprising a frame formed by four sections is disclosed in WO 9508688A.
L'invention concerne un nouveau trappon, caractérisé par sa conception en trois parties massives, cette conception le rendant à la fois industrialisable sur des machines numériques de haute précision, en série et donc à un coût très faible, et esthétiquement très attrayant.The invention relates to a new trap, characterized by its design in three massive parts, this design making it both industrializable on high precision digital machines, in series and therefore at a very low cost, and aesthetically very attractive.
Le coût est encore abaissé par la conception elle-même qui permet de récupérer la quasi totalité de la pièce de découpe de la contre-base pour l'utiliser comme trappe d'accès dans un produit de dimension inférieure.The cost is further lowered by the design itself which allows to recover almost all of the cutting part of the counter-base to use it as an access hatch in a lower dimension.
D'autres caractéristiques et avantages de l'invention apparaítront mieux à la lecture de la description qui va suivre, et en se référant au dessin annexé, sur lequel:
- la figure 1 représente le schéma de montage classique d'un faux-plafond ;
- la figure 2 représente le trappon selon l'invention, en vue en perspective éclatée qui permet de représenter les trois pièces et leur mode de coopération ;
- la figure 3 représente la coupe du trappon selon l'invention, en position sur l'ouverture ménagée dans le faux plafond.
- Figure 1 shows the conventional mounting diagram of a false ceiling;
- FIG. 2 represents the trap according to the invention, in an exploded perspective view which makes it possible to represent the three parts and their mode of cooperation;
- Figure 3 shows the section of the trap according to the invention, in position on the opening in the false ceiling.
Sur la figure 1, on voit, ce qui est connu, que la dalle de béton 1
du plafond supporte des tiges d'acier 2 elles-mêmes destinées à
supporter le poids des plaques 5 (par exemple « Placoplâtre » (TM)) du
faux plafond, par l'intermédiaire d'éclisses 3 et de moyens connus
d'accrochage 4. A titre d'exemple, une arrivée d'eau 6 alimente un
sprinkler 8 par l'intermédiaire d'une vanne 7. En cas de fuite, soit au
sprinkler, soit sur la vanne, on conçoit qu'il faut découper une zone
d'accès délimitée par la cote b. Un exemple représentatif est b = 40 cm,
tandis que l'écartement est a = 60 cm. Bien entendu, ces exemples ne
sont pas limitatifs.In FIG. 1, it is seen, what is known, that the
On conçoit également que l'on ne peut pas prévoir à la pose un trappon sous chaque point à risque.We also understand that we cannot foresee at installation a trapped under each risk point.
L'art antérieur consiste donc à découper la zone a, réparer ce qui doit l'être, puis reconstruire le faux plafond à l'aide d'un trappon artisanal, souvent fabriqué sur place. Ce procédé conduit aux inconvénients mentionnés plus haut.The prior art therefore consists in cutting out the area a, repairing what must be, then rebuild the false ceiling using a trap door handcrafted, often made on site. This process leads to disadvantages mentioned above.
Le trappon selon l'invention se caractérise en ce qu'il est constitué de trois pièces:
- une
base 10 , comportant une ouverture centrale 15 formant trou d'homme, cette base étant adaptée pour venir en recouvrement de l'ouverture ménagée dans le faux-plafond, sous celui-ci, et étant apte à recevoir latrappe 20, et apte à coopérer avec la contre-base 30 ; - une
trappe 20 adaptée pour fermer l'ouverture 15 et pour reposer sur un épaulement de labase 10 établi sur au moins une partie du pourtour inférieur du trou d'homme 15; - une contre-
base 30 adaptée pour venir en recouvrement de l'ouverture ménagée dans le faux plafond, par le dessus, et comportant une ouverture centrale 35 de dimensions très légèrement supérieures à celles de l'ouverture 15, de manière à autoriser le passage de latrappe 15,
- a
base 10, comprising acentral opening 15 forming a manhole, this base being adapted to overlap the opening made in the false ceiling, under the latter, and being capable of receiving thehatch 20, and capable to cooperate with thecounter-base 30; - a
hatch 20 adapted to close theopening 15 and to rest on a shoulder of thebase 10 established on at least part of the lower periphery of themanhole 15; - a
counter-base 30 adapted to cover the opening made in the false ceiling, from above, and comprising acentral opening 35 of dimensions very slightly greater than those of theopening 15, so as to allow the passage ofhatch 15,
Les mêmes références désignent les mêmes éléments sur les trois figures.The same references designate the same elements on the three FIGS.
La figure 3 représente les trois pièces du trappon de la figure 2, après leur mise en position selon le schéma de la figure 2.FIG. 3 represents the three parts of the trap of FIG. 2, after being placed in position according to the diagram in FIG. 2.
On voit sur la figure 3 que la base 10 vient se placer sous le faux
plafond, et la contre-base 30 sur le faux plafond, évidemment au niveau
de l'ouverture ménagée dans la plaque de faux plafond 5.We see in Figure 3 that the
La base 10 vient en léger recouvrement de l'ouverture, par son
rebord 11 qui sert d'appui et masque de plus la découpe de la plaque 5.The
La contre base 30 repose sur la plaque 5 par sa face inférieure 32.Against the
La base et la contre base sont réunies par la coopération d'un
moyen de serrage, par exemple (figure 3) positionnement par tourillon
ou pièce filetée 50' et fixation par une vis 60.The base and the counter base are united by the cooperation of a
clamping means, for example (Figure 3) pin positioning
or 50 'threaded part and fixing by a
On voit également que la trappe 20 vient reposer par sa face
inférieure 27 sur l'épaulement 12 de la base 10. Il subsiste un léger jeu
au regard de la face 17 verticale de la base 10, afin que la trappe 20
puisse être posée et soulevée sans difficulté.We also see that the
La trappe 20 est calée en position sur la base 10 également par
un épaulement de face latérale 25. Naturellement, la trappe forme une
surface 22 pleine.The
Les autres éléments des figures ne sont pas décrits ici du fait que leur fonction est évidente au regard des dessins; les références permettent seulement leur identification. The other elements of the figures are not described here since their function is evident from the drawings; the references only allow their identification.
Comme on le voit, l'ensemble forme en coupe une structure en
escalier 37, 14, 12, la trappe 20 reposant sur la partie 12, et la plaque de
faux plafond étant serrée en « sandwich » entre la base 10 et la contre
base 30.As we can see, the whole forms in section a structure in
Un espace 14 est de préférence ménagé sur la surface supérieure
de la base 10, entre le rebord vertical intérieur 35 de la contre base 30 et
le décrochement 17 de la base 10.A
Il facilite la manoeuvre de la trappe.It facilitates the operation of the hatch.
On pourra prévoir sur ou sous la trappe divers moyens facilitant la
préhension, comme des poignées, découpes ergonomiques, etc... ainsi
éventuellement que des moyens connus de verrouillage. Si la nature de
l'édifice l'exige, on pourra prévoir des joints caoutchouc sur les surfaces
12 ou 27, et améliorations analogues à la portée de tout homme de
métier.Various means can be provided on or under the hatch to facilitate the
gripping, such as handles, ergonomic cutouts, etc ... as well
possibly only known locking means. If the nature of
the building requires it, we can provide rubber seals on the
Naturellement, le trappon selon l'invention peut être réalisé en toute matière compatible avec son utilisation, et n'est pas limité au bois.Naturally, the trap according to the invention can be produced by any material compatible with its use, and is not limited to wood.
Le trappon pourra être classé M1 résistance au feu pour, notamment, les Centres commerciaux, ou traité hydrofuge pour les pièces humides comme les pièces d'eau de villas ou appartements, et analogues.The trappon could be classified M1 fire resistance for, in particular, shopping centers, or a water repellent treaty for wet rooms such as the water features of villas or apartments, and like.
Les pièces 10, 20 et 30 sont usinables sur des machines
numériques découpant, selon l'exemple préféré, dans le bois massif.
Chacune d'elles est donc en une seule pièce, n'occasionnant donc pas
de fissures sur le trappon lui-même, ce qui est un avantage important,
comme expliqué plus haut. Par ailleurs, le gain de temps est tout à fait
important par rapport à un trappon artisanal, de même que la réduction
du coût.
D'autre part, dans cette industrie, on sait que les dimensions
normalisées, ou du moins habituelles, pour le passage ou trou d'homme
15 sont 30x30, ou 40x40, ou 50x50, ou 60x60, ou 80x40.On the other hand, in this industry, we know that the dimensions
standardized, or at least usual, for the passage or
L'un des avantages de l'invention est que, lorsque l'on va
procéder à une série de découpes dans un pièce de contre base 30 pour
découper l'ouverture 32, il sera possible de récupérer la pièce découpée
pour qu'elle devienne une trappe.One of the advantages of the invention is that, when one goes
make a series of cuts in a
On peut ainsi fabriquer industriellement plusieurs séries de trappons de cotes différentes, tout en récupérant les découpes d'une série vers une autre. le gain de matière est important, et contribue fortement à la réduction du coût.It is thus possible to industrially manufacture several series of let us trap different dimensions, while retrieving the cutouts of a series to another. the material gain is significant, and contributes strongly to the cost reduction.
L'invention concerne également un procédé pour accéder à un faux plafond de centre commercial, d'atelier, d'usine, ou de villa ou appartement individuel (y compris accès aux combles), ou analogue, selon lequel on découpe à la construction ou après la construction une partie du faux plafond permettant d'accéder à celui-ci, caractérisé en ce qu'il comprend la pose d'un trappon tel que défini ci-dessus.The invention also relates to a method for accessing a false ceiling of shopping center, workshop, factory, or villa or individual apartment (including access to the attic), or similar, according to which one cuts during construction or after construction a part of the false ceiling providing access to it, characterized by what it includes the installation of a trap as defined above.
Naturellement, l'homme de métier saura définir de nombreuses variantes de la description qui précède, sans sortir du cadre de l'invention tel que défini dans les revendications, aussi bien en ce qui concerne les matériaux, la découpe des pièces, les dimensions, le choix des moyens de serrage, et analogues.Naturally, the skilled person will be able to define many variants of the foregoing description, without departing from the scope of the invention as defined in the claims, both with regard to materials, cutting of parts, dimensions, choice of clamping means, and the like.
Claims (15)
- A hatch characterized in that it is made up of three parts, each of which is one single piece:the base (10) and the counter-base (30) can be firmly connected to each other and held in place by fastening means (50, 60) which pass vertically through corresponding holes in the base (10) and the counter-base (30).a base (10), having a central opening (15) forming a man-hole, this base being designed to cover the opening made in a false ceiling, beneath the latter, and able to receive a hatch-cover (20) and link up with a counter-base (30);a hatch-cover (20) designed to close the opening (15) in the base and to rest on a projection of the base (10) formed in at least one part of the lower circumference of the man-hole (15);a counter-base (30) designed to cover the opening made in the false ceiling, from above, and having a central opening (35) whose dimensions very slightly exceed those of the opening (15) in the base, so as to enable the hatch-cover (15) to fit,
- A hatch according to claim 1 characterized in that the base (10) just covers the opening b with its edge (11) which functions as a support and, in addition, hides the cut-away part of the ceiling sub-section (5).
- A hatch according to claim 1 or 2 characterized in that the counter-base (30) has its lower surface (32) resting on the ceiling sub-section (5).
- A hatch according to any of claims 1 to 3 for which the fastening means are a thread (50) and a screw (60).
- A hatch according to any of claims 1 to 4 characterized in that the hatch-cover (20) has its lower surface (27) resting on the projection (12) of the base (10).
- A hatch according to claim 5 characterized in that a slight play is present with regard to the vertical surface (17) of the base (10).
- A hatch according to any of claims 1 to 6 characterized in that the hatch-cover (20) is held tightly in place on the base (10) likewise by a projection of the lateral surface (25).
- A hatch according to any of claims 1 to 7 characterized in that the hatch-cover (20) forms one complete surface (22).
- A hatch according to any of claims 1 to 8 characterized in that the three parts (10, 20 and 30) form, in cross-section, a stepped structure (37, 14, 12), the hatch-cover (20) resting on the part (12), and the sub-section of the false ceiling being "sandwiched" firmly between the base (10) and the counter-base (30).
- A hatch according to any of claims 1 to 9 characterized in that a gap (14) is arranged for, above the upper surface of the base (10), between the interior vertical edge (35) of the counter-base (30) and the recess (17) of the base (10).
- A hatch according to any of claims 1 to 10 characterized in that provision is made on the top or bottom of the hatch-cover (20) for various means of handling it, such as handles, ergonomic cut-outs, and possibly locking means.
- A hatch according to any of claims 1 to 11 characterized in that provision is made for rubber seals on the surfaces (12 or 27).
- A hatch according to any of claims 1 to 12 characterized in that it is made of solid wood or of any material compatible with its use.
- A hatch according to any of claims 1 to 13 characterized in that it is classed M 1 fire-resistant or treated with water-repellent.
- A process for gaining access to a false ceiling of a shopping centre, workshop, factory, or of a villa or private apartment, according to which, during or after construction, part of the false ceiling is cut away, allowing access to the latter, characterized in that it consists of installing a hatch according to any of claims 1 to 14.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9809597A FR2781514B1 (en) | 1998-07-27 | 1998-07-27 | IMPROVED TRAPPON AND METHOD FOR ACCESSING A FALSE CEILING |
| FR9809597 | 1998-07-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0976887A1 EP0976887A1 (en) | 2000-02-02 |
| EP0976887B1 true EP0976887B1 (en) | 2004-01-14 |
Family
ID=9529073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99202449A Expired - Lifetime EP0976887B1 (en) | 1998-07-27 | 1999-07-27 | Hatch and access method for a suspended ceiling |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0976887B1 (en) |
| AT (1) | ATE257882T1 (en) |
| DE (1) | DE69914137T2 (en) |
| ES (1) | ES2214809T3 (en) |
| FR (1) | FR2781514B1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3082538B1 (en) | 2018-06-13 | 2020-12-04 | Texaa | REMOVABLE PANEL AND SUSPENDED CEILING INCLUDING SUCH A REMOVABLE PANEL |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2834997A (en) * | 1954-04-27 | 1958-05-20 | Cleitus E Webb | Panel construction |
| US3636671A (en) * | 1970-07-06 | 1972-01-25 | Harry W Hollister | Access door assembly |
| FR2451430B1 (en) * | 1979-03-16 | 1986-03-28 | Edac Sa | METAL FRAME FOR CEILING DOOR OR ACCESS VENTILATION OR SIMILAR DUCT TRAP AND PROFILE FOR THEIR PRODUCTION |
| US4563845A (en) * | 1984-05-30 | 1986-01-14 | Stipe James J | Attic Stairway insulating and sealing device |
| GB8621372D0 (en) * | 1986-09-04 | 1986-10-15 | Norveaux Security Products Ltd | Window frame construction |
| FI94161C (en) * | 1993-09-20 | 1996-11-05 | Harri Nurmesjaervi | Luck Construction |
| DE29601291U1 (en) * | 1996-01-26 | 1996-03-21 | Promat Gmbh | Lockable inspection opening for fire protection walls and ceilings |
-
1998
- 1998-07-27 FR FR9809597A patent/FR2781514B1/en not_active Expired - Fee Related
-
1999
- 1999-07-27 AT AT99202449T patent/ATE257882T1/en not_active IP Right Cessation
- 1999-07-27 EP EP99202449A patent/EP0976887B1/en not_active Expired - Lifetime
- 1999-07-27 ES ES99202449T patent/ES2214809T3/en not_active Expired - Lifetime
- 1999-07-27 DE DE69914137T patent/DE69914137T2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2781514B1 (en) | 2000-10-13 |
| ATE257882T1 (en) | 2004-01-15 |
| DE69914137D1 (en) | 2004-02-19 |
| DE69914137T2 (en) | 2004-11-25 |
| EP0976887A1 (en) | 2000-02-02 |
| FR2781514A1 (en) | 2000-01-28 |
| ES2214809T3 (en) | 2004-09-16 |
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