EP0921263A1 - Armoured fireproof panel - Google Patents
Armoured fireproof panel Download PDFInfo
- Publication number
- EP0921263A1 EP0921263A1 EP98403038A EP98403038A EP0921263A1 EP 0921263 A1 EP0921263 A1 EP 0921263A1 EP 98403038 A EP98403038 A EP 98403038A EP 98403038 A EP98403038 A EP 98403038A EP 0921263 A1 EP0921263 A1 EP 0921263A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- panel
- lead
- laminate
- core
- 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
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Classifications
-
- 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
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/18—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes against harmful radiation
-
- 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
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
-
- 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
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B3/7015—Door leaves characterised by the filling between two external panels
- E06B2003/7025—Door leaves characterised by the filling between two external panels of cork; of wood or similar fibres
-
- 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
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B3/7015—Door leaves characterised by the filling between two external panels
- E06B2003/703—Door leaves characterised by the filling between two external panels containing a metallic layer
Definitions
- the present invention relates to an armored firebreak panel against radiation.
- a panel for the production of standard doors, of the type consisting of laminate formed from the side most exposed to fire towards the other side, with at least one layer of lead forming a anti-radiation screen and a soul constituting the resistance structure of said panel.
- the armored fireproof door units that currently exist on the market are above all fire-resistant door units standards that have been modified by adding at least a layer of a material, especially a layer of lead, forming a radiation screen. This results in a significant increase in the thickness of the door panel no longer making it possible to obtain size door units standard easier to install. It also results in a relatively heavy weight door block that works importantly the mechanical elements, in particularly the closing and opening device of said door integrated into the assembly. Finally, this type of block door is generally designed so that it cannot resist fire for only half an hour.
- the aim of the present invention is therefore to propose a armored panel, in particular against X-rays, and approved fire stop for a period of at least three quarter of an hour, without the thickness of the panel is increased considerably.
- the invention relates to a fire panel shielded against radiation, especially for production of standard doors and door frames, of the type made of a formed laminate, from the most exposed area fire towards the area least exposed to fire of said panel, at least one layer of lead forming an anti-radiation screen and of a soul constituting the structure of resistance of the panel, characterized in that the laminate further comprises at least one thin layer of a thermally conductive material with a melting point high placed between lead layer and core of the laminate so as to distribute the heat produced during the melting of lead layer when subjected to elevation accidental temperature.
- the panel is characterized in that the material layer thermally conductive at high melting point laminate is a layer of copper.
- the radiation shielded fire panel object of the invention, can be used in many applications.
- one of the favorite apps of this panel is the realization of doors and door jambs as shown in Figure 1, which represents a door jamb and a door to a leaf, and Figure 2 which represents a frame of door and a door with two leaves.
- This app is preferred because of the possibility of obtaining with such panel a particularly reduced panel thickness allowing to respect the standard dimensions door thickness.
- the door panel and the door panel appear each in the form of a laminate.
- This laminate is consisting of the area most exposed to fire towards the area least exposed to fire, at least one layer of lead 2A forming an anti-radiation screen and a core 1 constituting the resistance structure of said panel.
- This laminate further comprises at least one layer 3 of low thickness of a thermally conductive point material high fusion disposed between lead layer 2A and core 1 of the laminated to distribute the heat produced during the fusion of the lead layer 2A when it is subjected at an accidental temperature rise.
- the material layer thermally conductive at high melting point laminate is a layer of copper.
- the thickness of this layer is less than 0.6 mm, preferably close to 0.3 mm, to limit the mechanical stresses exerted on the core 1 of the panel when it is subjected to a accidental temperature rise.
- This layer of copper 3 is preferably placed in contact with the layer lead 2A so as to facilitate the distribution of heat of the lead layer.
- the layer of copper 3 and the lead layer 2A are in the form of two sheets assembled by gluing. It is well obvious that even if, above, the exemplary embodiment has been limited to a layer of copper, this layer of copper can be replaced with a layer of any other material thermally conductive with high melting point.
- this laminate will include as shown in the figure 1, at least two layers of lead 2A, 2B arranged on the side and other of the core 1.
- the thickness of each layer of lead is at least equal to 0.4 mm, preferably close to 1 mm. It is also possible to double inside the lead layer 2B of a copper layer, as has been done for layer 2A.
- Core 1 of the laminate is made up of a high density wood panel, such as chipboard. So at as an example, the core 1 of this laminate is made up a panel classified fire type M1, with a thickness of around 35 mm.
- the component panel of the door is in the form of a laminate formed, from its face most exposed to fire, towards the other side, with a facing layer 4A such as hardwood panel with high fire resistance, a layer of lead 2A, a layer of copper 3, a core 1 consisting of a high density wood panel, a lead layer 2B and a facing layer 4B of fibers hard wood with high fire resistance.
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Special Wing (AREA)
Abstract
Description
La présente invention concerne un panneau coupe-feu blindé contre des rayonnements.The present invention relates to an armored firebreak panel against radiation.
Elle concerne plus particulièrement un panneau, pour la réalisation de portes standards, du type constitué d'un stratifié formé de la face la plus exposée au feu vers l'autre face, d'au moins une couche de plomb formant un écran anti-rayonnement et d'une âme constituant la structure de résistance dudit panneau.It relates more particularly to a panel, for the production of standard doors, of the type consisting of laminate formed from the side most exposed to fire towards the other side, with at least one layer of lead forming a anti-radiation screen and a soul constituting the resistance structure of said panel.
Les blocs-portes pare-feu blindés qui existent actuellement sur le marché sont avant tout des blocs-portes coupe-feu standards que l'on a modifié par l'adjonction d'au moins une couche d'un matériau, en particulier d'une couche de plomb, formant écran aux rayonnements. Il en résulte une augmentation importante de l'épaisseur du panneau de porte ne permettant plus d'obtenir des blocs-portes de dimension standard plus aisés à poser. Il en résulte également un bloc-porte de poids relativement élevé faisant travailler de manière importante les éléments mécaniques, en particulier le dispositif de fermeture et d'ouverture de ladite porte intégré à l'ensemble. Enfin, ce type de bloc porte est conçu généralement de telle sorte qu'il ne peut résister au feu qu'une demi-heure.The armored fireproof door units that currently exist on the market are above all fire-resistant door units standards that have been modified by adding at least a layer of a material, especially a layer of lead, forming a radiation screen. This results in a significant increase in the thickness of the door panel no longer making it possible to obtain size door units standard easier to install. It also results in a relatively heavy weight door block that works importantly the mechanical elements, in particularly the closing and opening device of said door integrated into the assembly. Finally, this type of block door is generally designed so that it cannot resist fire for only half an hour.
Le but de la présente invention est donc de proposer un panneau blindé, en particulier contre les rayons X, et homologué coupe-feu pour une durée au moins égale à trois quart d'heure, sans que pour autant l'épaisseur du panneau soit augmentée de manière considérable.The aim of the present invention is therefore to propose a armored panel, in particular against X-rays, and approved fire stop for a period of at least three quarter of an hour, without the thickness of the panel is increased considerably.
A cet effet, l'invention a pour objet un panneau coupe-feu blindé contre des rayonnements, notamment pour la réalisation de portes standards et de chambranle, du type constitué d'un stratifié formé, de la zone la plus exposée au feu vers la zone la moins exposée au feu dudit panneau, d'au moins une couche de plomb formant un écran anti-rayonnement et d'une âme constituant la structure de résistance du panneau, caractérisé en ce que le stratifié comprend en outre au moins une couche de faible épaisseur d'un matériau thermiquement conducteur à point de fusion élevé disposé entre couche de plomb et âme du stratifié de manière à répartir la chaleur produite lors de la fusion de la couche de plomb lorsqu'elle est soumise à une élévation de température accidentelle.To this end, the invention relates to a fire panel shielded against radiation, especially for production of standard doors and door frames, of the type made of a formed laminate, from the most exposed area fire towards the area least exposed to fire of said panel, at least one layer of lead forming an anti-radiation screen and of a soul constituting the structure of resistance of the panel, characterized in that the laminate further comprises at least one thin layer of a thermally conductive material with a melting point high placed between lead layer and core of the laminate so as to distribute the heat produced during the melting of lead layer when subjected to elevation accidental temperature.
Il a ainsi été constaté de manière surprenante que l'adjonction d'une couche d'un matériau thermiquement conducteur à point de fusion élevé augmentait de manière considérable la tenue au feu dudit panneau. En effet, cette couche a notamment pour fonction la protection de l'âme du panneau contre le feu en dissipant la chaleur à sa surface, supprimant ainsi toute création de points chauds ponctuels et permet du fait de sa faible épaisseur de ne pas exercer de contrainte mécanique à la surface de ladite âme au risque de déformer l'ensemble.It was surprisingly found that adding a layer of a thermally material conductor with a high melting point increased so considerable the fire resistance of said panel. Indeed, this layer has in particular the function of protecting the soul of the panel against fire by dissipating heat on its surface, thus eliminating any creation of point hot spots and because of its thin thickness, does not exercise of mechanical stress on the surface of said core at may distort the whole.
Selon une forme de réalisation préférée de l'invention, le panneau est caractérisé en ce que la couche en matériau thermiquement conducteur à point de fusion élevé du stratifié est une couche de cuivre.According to a preferred embodiment of the invention, the panel is characterized in that the material layer thermally conductive at high melting point laminate is a layer of copper.
L'utilisation à la fois d'une couche de cuivre et d'une couche de plomb permet d'obtenir un panneau blindé de faible épaisseur à un coût réduit avec une tenue au feu et à la fumée égale à une heure.The use of both a copper layer and a lead layer provides an armored panel of low thickness at a reduced cost with fire resistance and smoke equal to one hour.
L'invention sera bien comprise à la lecture de la
description suivante d'un exemple de réalisation, en
référence aux dessins annexés dans lesquels :
Le panneau coupe-feu blindé contre les rayonnements, objet de l'invention, peut être utilisé dans de nombreuses applications. Toutefois, l'une des applications préférées de ce panneau est la réalisation de portes et de chambranles de porte comme le montrent la figure 1, qui représente un chambranle de porte et une porte à un vantail, et la figure 2 qui représente un chambranle de porte et une porte à deux vantaux. Cette application est préférée du fait de la possibilité d'obtenir avec un tel panneau une épaisseur de panneau particulièrement réduite permettant de respecter les dimensions standards d'épaisseur de porte.The radiation shielded fire panel, object of the invention, can be used in many applications. However, one of the favorite apps of this panel is the realization of doors and door jambs as shown in Figure 1, which represents a door jamb and a door to a leaf, and Figure 2 which represents a frame of door and a door with two leaves. This app is preferred because of the possibility of obtaining with such panel a particularly reduced panel thickness allowing to respect the standard dimensions door thickness.
Le panneau de la porte et celui du chambranle se présentent
chacun sous forme d'un stratifié. Ce stratifié est
constitué, de la zone la plus exposée au feu vers la zone
la moins exposée au feu, d'au moins une couche de plomb 2A
formant un écran anti-rayonnement et d'une âme 1
constituant la structure de résistance dudit panneau. Ce
stratifié comprend en outre au moins une couche 3 de faible
épaisseur d'un matériau thermiquement conducteur à point de
fusion élevé disposée entre couche de plomb 2A et âme 1 du
stratifié de manière à répartir la chaleur produite lors de
la fusion de la couche de plomb 2A lorsqu'elle est soumise
à une élévation de température accidentelle.The door panel and the door panel appear
each in the form of a laminate. This laminate is
consisting of the area most exposed to fire towards the area
least exposed to fire, at least one layer of
Dans les exemples représentés, la couche de matériau
thermiquement conducteur à point de fusion élevé du
stratifié est une couche de cuivre. L'épaisseur de cette
couche est inférieure à 0,6 mm, de préférence voisine de
0,3 mm, pour limiter les contraintes mécaniques exercées
sur l'âme 1 du panneau lorsque celui-ci est soumis à une
élévation de température accidentelle. Cette couche de
cuivre 3 est de préférence disposée au contact de la couche
de plomb 2A de manière à faciliter la répartition de la
chaleur de la couche de plomb. Généralement la couche de
cuivre 3 et la couche de plomb 2A se présentent sous forme
de deux feuilles assemblées par collage. Il est bien
évident que même si, ci-dessus, l'exemple de réalisation a
été limité à une couche de cuivre, cette couche de cuivre
peut être remplacée par une couche de tout autre matériau
thermiquement conducteur à point de fusion élevé.In the examples shown, the material layer
thermally conductive at high melting point
laminate is a layer of copper. The thickness of this
layer is less than 0.6 mm, preferably close to
0.3 mm, to limit the mechanical stresses exerted
on the core 1 of the panel when it is subjected to a
accidental temperature rise. This layer of
Pour garantir un écran aux rayonnements particulièrement
efficace, ce stratifié comportera comme le montre la figure
1, au moins deux couches de plomb 2A,2B disposées de part
et d'autre de l'âme 1. L'épaisseur de chaque couche de
plomb est au moins égale à 0,4 mm, de préférence voisine de
1 mm. Il est également possible de doubler intérieurement
la couche de plomb 2B d'une couche de cuivre, comme cela a
été fait pour la couche 2A.To guarantee a particularly radiation screen
effective, this laminate will include as shown in the figure
1, at least two layers of
L'âme 1 du stratifié est quant à elle constituée d'un panneau bois à haute densité, tel qu'un aggloméré. Ainsi, à titre d'exemple, l'âme 1 de ce stratifié est constituée d'un panneau classé feu de type M1, d'une épaisseur de l'ordre de 35 mm.Core 1 of the laminate is made up of a high density wood panel, such as chipboard. So at as an example, the core 1 of this laminate is made up a panel classified fire type M1, with a thickness of around 35 mm.
En conséquence, le panneau constitutif de la porte, tel que
représenté aux figures 1 et 2, se présente sous forme d'un
stratifié constitué, de sa face la plus exposée au feu,
vers l'autre face, d'une couche de parement 4A telle qu'un
panneau de fibres de bois dures à résistance au feu élevée,
d'une couche de plomb 2A, d'une couche de cuivre 3, d'une
âme 1 constituée d'un panneau bois à haute densité, d'une
couche de plomb 2B et d'une couche de parement 4B de fibres
de bois dures à résistance au feu élevée.Consequently, the component panel of the door, such as
shown in Figures 1 and 2, is in the form of a
laminate formed, from its face most exposed to fire,
towards the other side, with a facing
Dans le cas d'une application de tels panneaux à la
réalisation d'une porte, il est nécessaire de prévoir, en
particulier au niveau de l'huisserie, divers blocs de bois
venant compléter la réalisation de ce stratifié. De tels
blocs sont par exemple représentés par la référence 6 à la
figure 1. De la même manière, dans le cas d'une application
à une porte, les panneaux servant respectivement à la
réalisation de la porte et du chambranle seront équipés
respectivement de joints anti-feu et de l'ensemble des
éléments en soi connus garantissant une bonne tenue au feu
d'une porte. Enfin dans le cas d'une porte à deux vantaux,
le plat 7 de battement entre les vantaux se présente
également sous forme d'un stratifié répondant à la
définition du panneau fournie ci-dessus.In the case of application of such panels to the
realization of a door, it is necessary to provide, in
particular in the frame, various wooden blocks
complementing the production of this laminate. Such
blocks are for example represented by the reference 6 to the
figure 1. Similarly, in the case of an application
to a door, the panels respectively serving to
realization of the door and the frame will be equipped
of fire seals and all of the
elements known per se guaranteeing good fire resistance
of a door. Finally in the case of a door with two leaves,
the
Claims (9)
caractérisé en ce que le stratifié comprend en outre au moins une couche (3) de faible épaisseur d'un matériau thermiquement conducteur à point de fusion élevé disposé entre couche de plomb (2A) et âme (1) du stratifié de manière à répartir la chaleur produite lors de la fusion de la couche de plomb (2A) lorsqu'elle est soumise à une élévation de température accidentelle.Firestop panel shielded against radiation, in particular for the production of standard doors and jambs, of the type consisting of a laminate formed from the zone most exposed to fire towards the zone least exposed to fire of said panel, at least less a layer (2A) of lead forming an anti-radiation screen and a core (1) constituting the resistance structure of the panel,
characterized in that the laminate further comprises at least one thin layer (3) of a thermally conductive material with high melting point arranged between lead layer (2A) and core (1) of the laminate so as to distribute the heat produced during the melting of the lead layer (2A) when it is subjected to an accidental temperature rise.
caractérisé en ce que la couche (3) en matériau thermiquement conducteur à point de fusion élevé du stratifié est une couche de cuivre.Panel according to claim 1,
characterized in that the layer (3) of thermally conductive material with a high melting point of the laminate is a layer of copper.
caractérisé en ce que l'épaisseur de la couche (3) de matériau thermiquement conducteur à point de fusion élevé du stratifié est inférieure à 0,6 mm pour limiter les contraintes mécaniques exercées sur l'âme (1) du panneau lorsque celui-ci est soumis à une élévation de température accidentelle.Panel according to one of claims 1 and 2,
characterized in that the thickness of the layer (3) of thermally conductive material with a high melting point of the laminate is less than 0.6 mm in order to limit the mechanical stresses exerted on the core (1) of the panel when the latter is subjected to an accidental temperature rise.
caractérisé en ce que la couche de matériau thermiquement conducteur à point de fusion élevé du stratifié est disposée au contact de la couche de plomb (2A).Panel according to one of claims 1 to 3,
characterized in that the layer of thermally conductive material with a high melting point of the laminate is arranged in contact with the lead layer (2A).
caractérisé en ce que les couches de matériau thermiquement conducteur à point de fusion élevé (3) et de plomb (2A) du stratifié sont assemblées par collage.Panel according to one of claims 1 to 4,
characterized in that the layers of thermally conductive material with high melting point (3) and lead (2A) of the laminate are joined by bonding.
caractérisé en ce que le stratifié comporte au moins deux couches de plomb (2A,2B) disposées de part et d'autre de l'âme, l'épaisseur de chaque couche de plomb étant au moins égale à 0,4 mm.Panel according to one of claims 1 to 5,
characterized in that the laminate comprises at least two layers of lead (2A, 2B) arranged on either side of the core, the thickness of each layer of lead being at least equal to 0.4 mm.
caractérisé en ce que l'âme (1) du stratifié est constituée d'un panneau bois à haute densité, tel qu'un aggloméré.Panel according to one of claims 1 to 6,
characterized in that the core (1) of the laminate consists of a high density wood panel, such as a chipboard.
caractérisé en ce que le stratifié est constitué, de sa face la plus exposée au feu vers l'autre face, d'au moins une couche de parement (4A), telle qu'un panneau de fibres de bois dures à résistance au feu élevée, d'une couche de plomb (2A), d'une couche de cuivre (3), d'une âme (1) constituée d'un panneau bois à haute densité, d'une couche de plomb (2B) et d'une couche de parement (4B), telle qu'un panneau de fibres de bois dures à résistance au feu élevé.Panel according to one of claims 1 to 7,
characterized in that the laminate consists, from its face most exposed to fire towards the other face, of at least one facing layer (4A), such as a panel of hard wood fibers with high fire resistance , a layer of lead (2A), a layer of copper (3), a core (1) consisting of a high density wooden panel, a layer of lead (2B) and a facing layer (4B), such as a hardwood panel with high fire resistance.
caractérisé en ce que le chambranle et le ou les panneaux de porte sont constitués d'un panneau stratifié conforme à l'une des revendications 1 à 8.Door block,
characterized in that the door frame and the door panel (s) consist of a laminated panel according to one of claims 1 to 8.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9715401A FR2772067B1 (en) | 1997-12-05 | 1997-12-05 | ARMORED FIRE PROTECTION PANEL |
| FR9715401 | 1997-12-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0921263A1 true EP0921263A1 (en) | 1999-06-09 |
| EP0921263B1 EP0921263B1 (en) | 2003-11-05 |
Family
ID=9514227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19980403038 Expired - Lifetime EP0921263B1 (en) | 1997-12-05 | 1998-12-04 | Armoured fireproof panel |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0921263B1 (en) |
| DE (1) | DE69819452T2 (en) |
| FR (1) | FR2772067B1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060607A (en) * | 2017-03-08 | 2017-08-18 | 深圳市泛亚环境工程开发设计股份有限公司 | Manual protective shielding door |
| CN107100518A (en) * | 2017-03-09 | 2017-08-29 | 深圳市泛亚环境工程开发设计股份有限公司 | Automatic protection shield door |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1139967B (en) * | 1960-10-20 | 1962-11-22 | Comprifalt Ibs Bauspezialitaet | Radiation protection door |
| FR1367709A (en) * | 1963-06-14 | 1964-07-24 | Travaux Et De Materiel Sotrama | Door impervious to ionizing radiation |
| DE29614414U1 (en) * | 1995-08-31 | 1996-09-26 | Topic Gmbh | Door leaf |
-
1997
- 1997-12-05 FR FR9715401A patent/FR2772067B1/en not_active Expired - Fee Related
-
1998
- 1998-12-04 EP EP19980403038 patent/EP0921263B1/en not_active Expired - Lifetime
- 1998-12-04 DE DE1998619452 patent/DE69819452T2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1139967B (en) * | 1960-10-20 | 1962-11-22 | Comprifalt Ibs Bauspezialitaet | Radiation protection door |
| FR1367709A (en) * | 1963-06-14 | 1964-07-24 | Travaux Et De Materiel Sotrama | Door impervious to ionizing radiation |
| DE29614414U1 (en) * | 1995-08-31 | 1996-09-26 | Topic Gmbh | Door leaf |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060607A (en) * | 2017-03-08 | 2017-08-18 | 深圳市泛亚环境工程开发设计股份有限公司 | Manual protective shielding door |
| CN107060607B (en) * | 2017-03-08 | 2019-07-26 | 深圳市泛亚环境工程开发设计股份有限公司 | Manual protective shielding door |
| CN107100518A (en) * | 2017-03-09 | 2017-08-29 | 深圳市泛亚环境工程开发设计股份有限公司 | Automatic protection shield door |
| CN107100518B (en) * | 2017-03-09 | 2019-07-26 | 深圳市泛亚环境工程开发设计股份有限公司 | Automatic protection shield door |
Also Published As
| Publication number | Publication date |
|---|---|
| DE69819452D1 (en) | 2003-12-11 |
| FR2772067A1 (en) | 1999-06-11 |
| FR2772067B1 (en) | 2000-02-04 |
| DE69819452T2 (en) | 2004-09-16 |
| EP0921263B1 (en) | 2003-11-05 |
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