EP0912813B1 - Safety door assembly, in particular a sterile door - Google Patents

Safety door assembly, in particular a sterile door Download PDF

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Publication number
EP0912813B1
EP0912813B1 EP97937488A EP97937488A EP0912813B1 EP 0912813 B1 EP0912813 B1 EP 0912813B1 EP 97937488 A EP97937488 A EP 97937488A EP 97937488 A EP97937488 A EP 97937488A EP 0912813 B1 EP0912813 B1 EP 0912813B1
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EP
European Patent Office
Prior art keywords
door
door leaf
compressed air
flexible tubular
seal
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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EP97937488A
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German (de)
French (fr)
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EP0912813A1 (en
Inventor
Kurt Burow
Werner Kirschning
Martin Varchmin
Dieter Steppke
Horst Lass
Peter Rekowski
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Abbott Products GmbH
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Solvay Pharmaceuticals GmbH
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    • 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
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
    • E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
    • E06B7/23—Plastic, sponge rubber, or like strips or tubes
    • E06B7/2318—Plastic, sponge rubber, or like strips or tubes by applying over- or under-pressure, e.g. inflatable

Definitions

  • a security door of the construction described at the beginning is known from the German utility model 75 25 876 become.
  • the gas-tight door described here has a locking mechanism on each side of the door leaf for opening and closing the latter has an actuator.
  • the hollow seal is on one of those Actuator switchable pressure device connected, with a closing or an opening the position of the actuating element an associated printing device in a flowable medium in the hollow seal under pressure setting first position is switchable. Hence hangs the filling of the hollow seal ultimately from the position of the actuating element belonging to the closing mechanism from.
  • the well-known hollow seal also serves at most, a gas-tight seal between Manufacture door leaf and door frame.
  • Security doors and especially sterile doors are used generally to delimit safety and sterile areas.
  • This can be, for example pathogen-free areas (e.g. SPF animal husbandry, cell and tissue cultures) with the exclusion of ubiguinary germs using positive room pressures as well act like infectious areas (viruses, bacteria, Fungi, yeasts, spores, etc.) to prevent Environmental contamination using negative Room presses.
  • pathogen-free areas e.g. SPF animal husbandry, cell and tissue cultures
  • infectious areas viruses, bacteria, Fungi, yeasts, spores, etc.
  • bio and genetic engineering security areas as well as from physical and chemical security areas typical applications for a security or sterile door.
  • bio and genetic engineering Security areas is required to exclude to reach ubiquitous germs. The demarcation of wants physical security areas, for example environmental contamination from radionuclide areas Prevent air transfer and nuclide carryover.
  • the circulating Door frame a lintel element, door reveal elements and has a door sill element.
  • the door frame is with connected to the assigned room wall, which is is preferably a lightweight wall, because at Sterile areas often have metal walls in sandwich construction be used.
  • Security doors are in different designs known.
  • One embodiment is particularly practical known, in which the door leaf in his Door leaf edge, facing the frame, a circumferential, the Has a sealing hollow profile belonging to the sealing system, which is connected to the door leaf.
  • the Hollow gasket is not a hose gasket, though a hose seal means a seal, which have a round or rectangular tube cross-section has that is inflatable.
  • Sealing hollow profile is a longitudinal one, in cross section M-shaped indentation provided, which is located under the influence of the pressure medium causing the seal as it were protruding and into an assigned depression borders as well as inversely with pressure relief moved back.
  • the invention is based on the technical problem such a security door, especially a sterile door, to create, in which both the seal and the pressure relief and associated opening of the Door leaf, can be done in very short periods of time and which is independent of mechanical devices Locking enabled.
  • the invention proposes to achieve this object a generic security door, in particular Sterile door for access to security rooms and Sterile rooms opening, before that Compressed air source, the compressed air line system and the Compressed air inflow cross section of the hose seals so are set up that the sealing force in addition closed door leaf against the door frame via friction locking locked quickly and securely, and that that Pressure relief system and the compressed air discharge cross section the hose seal are set up so that the door leaf locked via friction locking in one Relief period from 1 to 6 seconds, preferably from 1 to 3 seconds.
  • the invention is based on the knowledge that at Use one for appropriate pressures of the pressure medium installed hose seal on a positive Locking between door leaf and door frame can be dispensed with using the sealing profile, if the sealing force is chosen and set up so large will be that the locking is done by friction can. This avoids and from fitting problems resulting disadvantages. From the fact that very high Pressures of the pressure medium and therefore very high sealing forces are used, it also follows that the Sealing and associated locking in extremely short period of time and that because of the high restoring forces even in extreme the pressure relief of the hose seal and thus the opening of the door leaf can be achieved.
  • the extremely quick locking and opening of the door leaf is optimized in that a sufficiently large compressed air inflow cross section and compressed air discharge cross section for the hose seal is realized.
  • High pressures of the Pressure medium which is not just compressed air, but can also be a different gas, says Pressures in the order of, for example, 3 and more bar.
  • an electrical proximity switch e.g. Reed contact is checked.
  • a manual valve can be used in the pressure relief system installed for emergency release in case of danger be, for example, next to the door frame the wall and with which the door leaf is independent opened by the electronically controlled sealing system can be.
  • the door leaf and the surrounding one Door frame preferably matched rounded Corners in order to ensure a flawless even in the corner areas Sealing between the sealing counter surface and the To reach the hose seal.
  • Rounding the frame corners can be done using appropriate fillers the door frame only for walls with a lightweight construction only the invention sees a minimal wall support before that the door frame has high strength and inherent rigidity and consequently as self-supporting Door frame is formed.
  • the Hose sealing facing sealing surface preferably designed as a smooth surface so far To facilitate disinfection measures. For this reason is also on a fold in the door frame and the door leaf waived. Because bacteria to be killed are in tight Hardest to hit niches.
  • the gap between that Door leaf and the door frame is so wide that sufficient access to the hose seal for the disinfectant.
  • the door leaf is standing within the scope of the invention essentially symmetrical Frame profile, so that the disinfectant effect on both Sides is equivalent.
  • the invention further provides that the door leaf is designed as a double-leaf door leaf is and that the door leaf and possibly the door frame soundproof and possibly heat-insulated with insulation material are. This becomes a requirement in the animal sector to suppress extraneous noise. The sound insulation is clear about the values of comparable doors out.
  • the door leaf is a smooth wall Door leaf with just one handle, e.g. Shock or pull handle, and optionally a door window.
  • the hose seal consists preferably of permanently elastic material and is therefore characterized by a long service life.
  • the Compressed air inflow cross section and the compressed air outflow cross section are identical. A sufficiently large cross-section for a quick inflow of compressed air in the train the seal and a quick discharge of the compressed air can be reached in the course of opening the door leaf implement, for example, an elongated hole cross section.
  • the compressed air inflow cross section and Compressed air discharge cross section of 2 or more compressed air channels are formed in the door leaf, via hose plug-in couplings are connected to the hose seal and are connected to the compressed air line system.
  • the hose plug-in couplings ensure an in manufacturing technology particularly simple embodiment.
  • the hose seal arranged in a circumferential groove of the door leaf, in such a way that they come on in a depressurized state the upper edge of the groove closes as well as in the inflated State protrudes beyond the top edge of the groove.
  • the hose seal can have a circular cross section.
  • the double-shell Training the door leaf brings the further Advantage that foaming can be carried out.
  • This also applies to the door frame, so that the invention Security door also soundproof at the same time and can be carried out with thermal insulation.
  • the security door 1 shown in Fig. 1 is for a enabling access to a safety or sterile room Room opening determined. If you take the other figures added, you can see that the security door is a door frame 2 and has a single-leaf door leaf 3, which with With the help of door hinges 4 is connected to the door frame 2. For the rest is a sealing system that can be switched on and off 5 provided with pressure medium actuation, to which a plurality of components and assemblies belonging below are explained.
  • the door leaf 3 carries in its door leaf edge, the frame facing a circumferential hose seal 6, the Sealing system 5 heard. You can see the circumferential Hose seal 6 in FIGS. 3 and 4 and in sections 5 and 6.
  • the sealing system 5 is predetermined Inflatable sealing force against an autogenous restoring force. 6 shows the inflated state. Autogenous restoring force means that the restoring force due to the elastic deformation of the hose seal 6 developed when inflated.
  • the facing the door leaf 3 Frame surface is as flat, and in working condition practically non-deformable sealing counter surface 7 is formed. For this purpose, reference is also made to FIG. 6. Practically non-deformable means that a positive connection between the inflated hose seal and the Counter sealing surface does not enter.
  • Fig. 1 takes one that the sealing system 5 a pressure medium source 9, preferably a compressed air source or another gas source, a compressed air line system 10 with control valves 11 and a pressure relief system 12 with a control system. With these components is when turned on Sealing system 5, the hose seal 6 inflatable. at turned off sealing system 5 is the hose seal 6 inflatable, under the influence of the already explained restoring forces.
  • the pressure medium source 9 and the pressure medium line system 10 are set up so that the sealing force against the closed door leaf 3 Door frame 2 securely locked using a friction lock.
  • the Pressure relief system 12 is set up so that it Door leaf 3 locked in a frictional engagement Relief period of just a few seconds unlocked.
  • the restoring force of the hose seal 6 is corresponding dimensioned.
  • the invention is the hose seal 6 in a circumferential groove 13 of the door leaf 3 inserted, and in such a way that they are in the pressure-relieved state at the top edge the groove 13 closes, as shown in FIG. 5 in particular and 6.
  • the interpretation is like this hit that in the inflated state the hose seal 6 protrudes over the upper edge of the groove 13.
  • the hose seal 6 has in the embodiment in the pressure-relieved Condition an essentially rectangular tube profile.
  • the compressed air line system 10 connecting components 14, which has a door hinge 4 and a hinge 15 inserted into the door leaf 3 are and connected to the hose seal 6 there become.
  • the door leaf 3 is a double-shell in the embodiment Door leaf 3, it is for the purpose of sound and Thermal insulation as well as frame 2 are foamed.
  • the door leaf 3 and the surrounding door frame 2 face each other coordinated rounded corners.
  • the door leaf 3 is as a smooth-walled door leaf with only one handle 16 and a door window 17.
  • the compressed air inflow cross section and the compressed air outflow cross section of the Hose seal 6 are of two compressed air channels 18 in the Door leaf 3 formed by hose plug-in couplings the hose seal 6 are connected and with the Compressed air line system 10 are connected.

Abstract

A door assembly for a sterile or safe room has a door leaf mounted in the door frame by hinge plates and a hose-type seal along the edge of the door leaf edge, when inflated presses against a smooth surface of the frame juxtaposed with the edge of the leaf. The seal is resilient so that it restores to its uninflated position releasing the lock in one to six seconds.

Description

Die Erfindung betrifft eine Sicherheitstür, insbesondere Steriltür, für eine den Zutritt zu Sicherheitsräumen und Sterilräumen ermöglichende Raumöffnung, wobei die Sicherheitstür eine umlaufende Türzarge und ein einflügeliges Türblatt, welches mit Hilfe von Türbändern an die Türzarge angeschlossen ist, sowie ein ein- und ausschaltbares Dichtungssystem mit Druckmittelbetätigung aufweist, und wobei die weiteren Merkmale verwirklicht sind:

1.1)
Das falzfreie Türblatt trägt in seinem Türblattrand, der falzfreien Türzarge zugewandt, eine umlaufende, dem Dichtungssystem angehörende Schlauchdichtung aus Gummi oder Kunststoff, die dichtend an das Türblatt angeschlossen ist und mit vorgegebener Dichtkraft gegen eine autogene Rückstellkraft aufblähbar ist,
1.2)
die der Schlauchdichtung zugewandte Zargenfläche ist als ebene, unverformbare Dichtungsgegenfläche ausgebildet, gegen welche sich die aufgeblähte Schlauchdichtung bei geschlossenem Türblatt und eingeschaltetem Dichtungssystem dichtend abstützt,
1.3)
das Dichtungssystem ist automatisch gesteuert und weist eine Druckluftquelle, ein Druckluftleitungssystem mit Steuerventilen und ein Druckentlastungssystem mit Steuerventilen auf, mit welchen Bauteilen bei eingeschaltetem Dichtungssystem die Schlauchdichtung aufblähbar und über welche Bauteile bei ausgeschaltetem Dichtungssystem die Schlauchdichtung ausblasbar ist.
The invention relates to a security door, in particular a sterile door, for a room opening which allows access to security rooms and sterile rooms, the security door having a circumferential door frame and a single-leaf door leaf which is connected to the door frame by means of door hinges, and a sealing system which can be switched on and off Has pressure medium actuation, and wherein the further features are realized:
1.1)
The rebate-free door leaf has in its door leaf edge facing the rebate-free door frame a circumferential rubber or plastic hose seal belonging to the sealing system, which is connected to the door leaf in a sealing manner and can be inflated with a predetermined sealing force against an autogenous restoring force.
1.2)
the frame surface facing the hose seal is designed as a flat, non-deformable sealing counter surface against which the inflated hose seal is sealingly supported when the door leaf is closed and the sealing system is switched on,
1.3)
the sealing system is automatically controlled and has a compressed air source, a compressed air line system with control valves and a pressure relief system with control valves, with which components the hose seal can be inflated when the sealing system is switched on and via which components the hose seal can be blown out when the sealing system is switched off.

Eine Sicherheitstür des eingangs beschriebenen Aufbaus ist durch das deutsche Gebrauchsmuster 75 25 876 bekannt geworden. Die hier beschriebene gasdichte Tür weist einen Verschließmechanismus auf, welcher auf jeder Seite des Türblattes zum Öffnen und Schließen des letzteren ein Betätigungselement besitzt. Zusätzlich ist eine Hohldichtung in der umlaufenden Fuge zwischen Türblatt und Türzarge verwirklicht, welche mit einem fließfähigen Medium füllbar ist. Die Hohldichtung ist an eine von dem Betätigungselement schaltbare Druckeinrichtung angeschlossen, wobei bei der ein Schließen bzw. ein Öffnen des Türblattes bedingenden Stellung des Betätigungselementes eine zugehörige Druckeinrichtung in eine das fließfähige Medium in der Hohldichtung unter Druck setzende erste Stellung schaltbar ist. Folglich hängt die Füllung der Hohldichtung letztlich von der Stellung des zum Verschließmechanismus gehörigen Betätigungselementes ab. Außerdem dient die bekannte Hohldichtung allenfalls dazu, einen gasdichten Verschluß zwischen Türblatt und Türzarge herzustellen.A security door of the construction described at the beginning is known from the German utility model 75 25 876 become. The gas-tight door described here has a locking mechanism on each side of the door leaf for opening and closing the latter has an actuator. In addition there is one Hollow seal in the all-round joint between the door leaf and door frame realized, which with a flowable Medium is fillable. The hollow seal is on one of those Actuator switchable pressure device connected, with a closing or an opening the position of the actuating element an associated printing device in a flowable medium in the hollow seal under pressure setting first position is switchable. Hence hangs the filling of the hollow seal ultimately from the position of the actuating element belonging to the closing mechanism from. The well-known hollow seal also serves at most, a gas-tight seal between Manufacture door leaf and door frame.

Vergleichbares gilt auch für weiteren Stand der Technik wie er beispielsweise durch die deutsche Auslegeschrift 28 51 459 bekannt geworden ist. Auch in diesem Fall sind letztlich am Türblatt einerseits und an der Türzarge andererseits beim Schließen der Tür zusammenwirkende Kupplungsteile zur Druckmittelzufuhr zum dortigen Dichtschlauch vorgesehen. Ein Reibungsschluß zwischen Türblatt und Türzarge über die vorhandene Schlauchdichtung findet nicht statt.The same applies to other prior art as he did, for example, through the German interpretation 28 51 459 has become known. In this case too ultimately on the door leaf on the one hand and on the door frame on the other hand cooperating when closing the door Coupling parts for pressure medium supply to the sealing hose there intended. A frictional connection between the door leaf and door frame over the existing hose seal does not take place.

Dies gilt auch für die Lehre nach der US-PS 47 22 151, nach welcher Verriegelungsmechanismus und dortige Schlauchdichtung simultan druckbeaufschlagt werden. Die US-PS 3 397 490 und die hierauf aufbauende US-PS 4 441 278 beschäftigen sich schließlich mit einer speziellen Anbringungsweise einer Hohldichtung im Spalt zwischen Türblatt und Türzarge. Probleme des zügigen und zuverlässigen Öffnens und Schließens der Tür werden nicht angesprochen, so daß man entsprechende Lösungsansätze vergeblich sucht.This also applies to teaching according to US Pat. No. 4,722,151. according to which locking mechanism and there Hose seal are pressurized simultaneously. The U.S. Patent No. 3,397,490 and U.S. Patent 4,441, which is based thereon Finally, 278 deal with a special one Attaching a hollow seal in the gap between Door leaf and door frame. Problems of the quick and reliable Opening and closing the door will not addressed so that you can find appropriate solutions searches in vain.

Sicherheitstüren und insbesondere Steriltüren dienen allgemein zur Abgrenzung von Sicherheits- und Sterilbereichen. Dabei kann es sich beispielsweise um pathogenfreie Bereiche (z. B. SPF-Tierhaltungen, Zell- und Gewebekulturen) mit Ausschluß ubiguinärer Keime unter Verwendung von positiven Raumdrücken ebenso handeln wie um infektiöse Bereiche (Viren, Bakterien, Pilze, Hefen, Sporen u.a.) zur Verhinderung von Umweltkontaminationen unter Verwendung von negativen Raumdrücken. Aber auch die Abgrenzung von bio- und gentechnologischen Sicherheitsbereichen ebenso wie von physikalischen und chemischen Sicherheitsbereichen sind typische Anwendungen für eine Sicherheits- bzw. Steriltür. Die Abgrenzung von bio- und gentechnologischen Sicherheitsbereichen ist erforderlich, um den Ausschluß ubiquitärer Keime zu erreichen. Die Abgrenzung von physikalischen Sicherheitsbereichen will beispielsweise bei Radionuklid-Bereichen eine Umweltkontamination durch Luftübertragung und Nuklidverschleppung verhindern. Bei Begasungskammern und -räumen will man Umweltbelastungen durch Schadgasaustritt vermeiden, während bei Desinfektionskammern und -räumen die Verhinderung von Umweltbelastungen durch Austritt von Desinfektionsmitteln ausgeschlossen werden müssen. Chemische Sicherheitsbereiche verlangen beispielsweise die Verhinderung des Austritts von Miasmen und olfaktorischen Reizstoffen. - Es versteht sich, daß die umlaufende Türzarge ein Türsturzelement, Türlaibungselemente und ein Türschwellenelement aufweist. Die Türzarge ist mit der zugeordneten Raumwand verbunden, bei der es sich vorzugsweise um eine Leichtbauwand handelt, weil bei Sterilbereichen vielfach Metallwände in Sandwich-Bauweise eingesetzt werden.Security doors and especially sterile doors are used generally to delimit safety and sterile areas. This can be, for example pathogen-free areas (e.g. SPF animal husbandry, cell and tissue cultures) with the exclusion of ubiguinary germs using positive room pressures as well act like infectious areas (viruses, bacteria, Fungi, yeasts, spores, etc.) to prevent Environmental contamination using negative Room presses. But also the delimitation of bio and genetic engineering security areas as well as from physical and chemical security areas typical applications for a security or sterile door. The distinction between bio and genetic engineering Security areas is required to exclude to reach ubiquitous germs. The demarcation of wants physical security areas, for example environmental contamination from radionuclide areas Prevent air transfer and nuclide carryover. at Fumigation chambers and rooms want environmental pollution avoid by harmful gas leakage, while at Disinfection chambers and rooms the prevention of Environmental pollution from the release of disinfectants must be excluded. Chemical For example, security areas require prevention the emergence of miasms and olfactory Irritants. - It goes without saying that the circulating Door frame a lintel element, door reveal elements and has a door sill element. The door frame is with connected to the assigned room wall, which is is preferably a lightweight wall, because at Sterile areas often have metal walls in sandwich construction be used.

Sicherheitstüren sind in verschiedenen Ausführungsformen bekannt. Aus der Praxis ist insbesondere eine Ausführungsform bekannt, bei der das Türblatt in seinem Türblattrand, der Zarge zugewandt, ein umlaufendes, dem Dichtungssystem angehörendes Dichtungshohlprofil aufweist, welches an das Türblatt angeschlossen ist. Das Dichtungshohlprofil ist keine Schlauchdichtung, wenn unter Schlauchdichtung eine Dichtung verstanden wird, die einen runden oder rechteckigen Schlauchquerschnitt aufweist, der aufblähbar ist. Bei dem bekannten Dichtungshohlprofil ist eine längslaufende, im Querschnitt M-förmige Einstülpung vorgesehen, die sich unter dem Einfluß des die Abdichtung bewirkenden Druckmittels gleichsam vorstülpt und in eine zugeordnete Vertiefung einfaßt sowie bei Druckentlastung sich einstülpend zurückbewegt. Ein solches Dichtungshohlprofil produziert unter dem Einfluß des Druckmittels nur geringe Rückstellkräfte, bei Druckentlastung ist die Rückstellung entsprechend langsam. Es ist bei Sicherheitstüren auch bekannt, mit einer Schlauchdichtung zu arbeiten, die aufblähbar ist und einen im wesentlichen rechteckigen Querschnitt aufweist. Diese Schlauchdichtung ist in eine entsprechende Nut am Türblattrand eingesetzt. Im aufgeblähten Zustand entwickelt die Schlauchdichtung einen Vorsprung, der in eine entsprechende Vertiefung einfaßt und dadurch eine formschlüssige Verriegelung bewirkt. Die insoweit bekannte Ausführungsform produziert Passungsprobleme, weil sich die Vertiefung in der Türzarge befindet, und bei ungenauer Passung können Funktionsbeeinträchtigungen und insbesondere auch Undichtigkeiten auftreten. Sowohl in bezug auf die Abdichtung als auch in bezug auf die Druckentlastung und damit das Öffnen des Türblattes müssen verhältnismäßig große Zeitspannen in Kauf genommen werden.Security doors are in different designs known. One embodiment is particularly practical known, in which the door leaf in his Door leaf edge, facing the frame, a circumferential, the Has a sealing hollow profile belonging to the sealing system, which is connected to the door leaf. The Hollow gasket is not a hose gasket, though a hose seal means a seal, which have a round or rectangular tube cross-section has that is inflatable. With the well-known Sealing hollow profile is a longitudinal one, in cross section M-shaped indentation provided, which is located under the influence of the pressure medium causing the seal as it were protruding and into an assigned depression borders as well as inversely with pressure relief moved back. Such a hollow sealing profile produces only slight under the influence of the pressure medium Restoring forces, with pressure relief is the resetting accordingly slow. It is with security doors also known with a hose seal too work that is inflatable and essentially one has rectangular cross section. This hose seal is in a corresponding groove on the edge of the door leaf used. When inflated, it develops Hose seal a tab that fits into a surrounds corresponding recess and thereby a positive locking effect. The so far known embodiment produces fit problems, because the recess is in the door frame, and if the fit is inaccurate, functional impairments can occur and especially leaks occur. Either in terms of sealing as well as in terms of Relief of pressure and thus the opening of the door leaf have to buy relatively long periods of time be taken.

Der Erfindung liegt das technische Problem zugrunde, eine derartige Sicherheitstür, insbesondere Steriltür, zu schaffen, bei welcher sowohl die Abdichtung als auch die Druckentlastung und damit verbunden das Öffnen des Türblattes, in sehr kurzen Zeitspannen erfolgen kann und welche eine von mechanischen Einrichtungen unabhängige Verriegelung ermöglicht.The invention is based on the technical problem such a security door, especially a sterile door, to create, in which both the seal and the pressure relief and associated opening of the Door leaf, can be done in very short periods of time and which is independent of mechanical devices Locking enabled.

Zur Lösung dieser Aufgabe schlägt die Erfindung bei einer gattungsgemäßen Sicherheitstür, insbesondere Steriltür für eine den Zutritt zu Sicherheitsräumen und Sterilräumen ermöglichende Raumöffnung, vor, daß die Druckluftquelle, das Druckluftleitungssystem und der Drucklufteinströmquerschnitt der Schlauchdichtungen so eingerichtet sind, daß die Dichtkraft zusätzlich das geschlossene Türblatt gegen die Türzarge über Reibungsschluß schnell und sicher verriegelt, und daß das Druckentlastungssystem und der Druckluftausströmquerschnitt der Schlauchdichtung so eingerichtet sind, daß das über Reibungsschluß verriegelte Türblatt in einer Entlastungszeitspanne von 1 bis 6 Sek., vorzugsweise von 1 bis 3 Sek., entriegelt wird.The invention proposes to achieve this object a generic security door, in particular Sterile door for access to security rooms and Sterile rooms opening, before that Compressed air source, the compressed air line system and the Compressed air inflow cross section of the hose seals so are set up that the sealing force in addition closed door leaf against the door frame via friction locking locked quickly and securely, and that that Pressure relief system and the compressed air discharge cross section the hose seal are set up so that the door leaf locked via friction locking in one Relief period from 1 to 6 seconds, preferably from 1 to 3 seconds.

Die Erfindung geht von der Erkenntnis aus, daß bei Verwendung einer für entsprechende Drücke des Druckmittels eingerichteten Schlauchdichtung auf eine formschlüssige Verriegelung zwischen Türblatt und Türzarge mit Hilfe des Dichtungsprofils verzichtet werden kann, wenn die Dichtkraft so groß gewählt und eingerichtet wird, daß die Verriegelung über Reibungsschluß erfolgen kann. Das vermeidet Passungsprobleme und daraus resultierende Nachteile. Aus der Tatsache, daß sehr hohe Drücke des Druckmittels und damit sehr hohe Dichtkräfte eingesetzt werden, ergibt sich gleichzeitig, daß die Abdichtung und damit verbunden die Verriegelung in extrem kurzer Zeitspanne erfolgen können, und daß wegen der hohen Rückstellkräfte auch in extrem kurzer Zeitspanne die Druckentlastung der Schlauchdichtung und damit das Öffnen des Türblattes erreicht werden können. Das extrem schnelle Verriegeln und Öffnen des Türblattes wird dadurch optimiert, daß ein hinreichend großer Drucklufteinströmquerschnitt und Druckluftausströmquerschnitt für die Schlauchdichtung verwirklicht ist. Hohe Drücke des Druckmittels, bei dem es sich nicht nur um Druckluft, sondern auch um ein anderes Gas handeln kann, meint Drücke in der Größenordnung von beispielsweise 3 und mehr bar. Zum Abdichten wird das Türblatt lediglich in Position gebracht und schließt dann automatisch, wobei die Positionierung über einen elektrischen Näherungsschalter, z.B. Reed-Kontakt geprüft wird. Die einfache Bedienung beim Öffnen über einen elektrischen Drucktaster und beim Abdichten des Türblattes durch einfaches Schließen der Sicherheits- bzw. Steriltür ohne weitere manuelle Betätitgung gewährleisten, daß das Türblatt auch bei mehrfacher Benutzung ständig geschlossen gehalten wird und nicht etwa in Bedienpausen offen bleibt. In dem Druckentlastunssystem kann ein Handventil für Notentriegelung im Gefahrenfall installiert sein, welches sich beispielsweise neben der Türzarge auf der Wand befindet und mit welchem das Türblatt unabhängig von dem elektronisch gesteuerten Dichtungssystem geöffnet werden kann.The invention is based on the knowledge that at Use one for appropriate pressures of the pressure medium installed hose seal on a positive Locking between door leaf and door frame can be dispensed with using the sealing profile, if the sealing force is chosen and set up so large will be that the locking is done by friction can. This avoids and from fitting problems resulting disadvantages. From the fact that very high Pressures of the pressure medium and therefore very high sealing forces are used, it also follows that the Sealing and associated locking in extremely short period of time and that because of the high restoring forces even in extreme the pressure relief of the hose seal and thus the opening of the door leaf can be achieved. The extremely quick locking and opening of the door leaf is optimized in that a sufficiently large compressed air inflow cross section and compressed air discharge cross section for the hose seal is realized. High pressures of the Pressure medium, which is not just compressed air, but can also be a different gas, says Pressures in the order of, for example, 3 and more bar. To the Sealing is only brought into position and then closes automatically, positioning via an electrical proximity switch, e.g. Reed contact is checked. The simple operation when opening via an electrical push button and when sealing the Door leaf by simply closing the safety or Ensure the sterile door without further manual operation that the door leaf constantly even with multiple use is kept closed and not during breaks remains open. A manual valve can be used in the pressure relief system installed for emergency release in case of danger be, for example, next to the door frame the wall and with which the door leaf is independent opened by the electronically controlled sealing system can be.

Im einzelnen bestehen im Rahmen der Erfindung mehrere Möglichkeiten der weiteren Ausbildung und Gestaltung der Sicherheitstür. So weisen das Türblatt und die umlaufende Türzarge vorzugsweise aufeinander abgestimmte abgerundete Ecken auf, um auch in den Eckbereichen eine einwandfreie Abdichtung zwischen der Dichtungsgegenfläche und der Schlauchdichtung zu erreichen. Die Abrundung der Zargenecken kann mittels entsprechender Füllstücke erfolgen Da die Türzarge insbesondere bei Wänden in Leichtbauweise nur eine minimale Wandabstützung erfährt, sieht die Erfindung vor, daß die Türzarge eine hohe Festigkeit und Eigensteifigkeit aufweist und folglich als gleichsam selbsttragende Türzarge ausgebildet ist. Ferner ist ihr der Schlauchdichtung zugewandte Dichtungsgegenfläche vorzugsweise als glatte Oberfläche ausgebildet, um insoweit Desinfektionsmaßnahmen zu erleichtern. Aus diesem Grunde wird auch auf einen Falz bei der Türzarge und bei dem Türblatt verzichtet. Denn abzutötenden Bakterien sind in engen Nischen am schwersten zu treffen. Der Spalt zwischen dem Türblatt und der Türzarge wird so breit ausgeführt, daß eine hinreichend Zugänglichkeit bis zur Schlauchdichtung für das Desinfektionsmittel gegeben ist. Das Türblatt steht im Rahmen der Erfindung im wesentlichen symmetrisch im Zargenprofil, so daß die Desinfektionswirkung auf beiden Seiten gleichwertig ist. Ferner sieht die Erfindung vor, daß das Türblatt als doppelschaliges Türblatt ausgebildet ist und daß das Türblatt und gegebenenfalls die Türzarge mittels Dämmaterial schall- und gegebenenfalls wärmeisoliert sind. Dadurch wird eine Forderung im Tierbereich zur Unterdrückung von Fremdgeräuschen erfüllt. Das Schalldämmaß geht über die Werte vergleichbarer Türen deutlich hinaus. - Zweckmäßigerweise ist das Türblatt als glattwandiges Türblatt mit lediglich einem Handgriff, z.B. Stoß- oder Ziehgriff, und gegebenenfalls einem Türfenster ausgebildet. Denn im Rahmen der Erfindung kann auf aufwendige Betätigungsorgane für das Türblatt verzichtet werden, insbesondere auch auf ein Türschloß, dessen Schlüsselloch eine einwandfreie Abgrenzung zwischen Sicherheits- und Sterilbereichen nicht zuläßt. - Die Schlauchdichtung besteht vorzugsweise aus dauerelastischem Material und zeichnet sich folglich durch hohe Lebensdauer aus. Der Drucklufteinströmquerschnitt und der Druckluftausströmquerschnitt sind identisch. Um einen hinreichend großen Querschnitt für ein schnelles Einströmen der Druckluft im Zuge der Abdichtung und ein schnelles Ausströmen der Druckluft im Zuge des Öffnens des Türblattes zu erreichen, läßt sich beispielsweise ein Langlochquerschnitt verwirklichen. Nach einer bevorzugten Ausführungsform der Erfindung ist jedoch vorgesehen, daß der Drucklufteinströmquerschnitt und der Druckluftausströmquerschnitt von 2 oder mehr Druckluftkanälen in dem Türblatt gebildet sind, die über Schlauch-Steckkupplungen an die Schlauchdichtung angeschlossen sind und mit dem Druckluftleitungssystem in Verbindung stehen. Die Schlauch-Steckkupplungen gewährleisten eine in fertigungstechnischer Hinsicht besonders einfache Ausführungsform. Darüber hinaus wird ein Strömungsrauschen und folglich eine störende Geräuschentwicklung vermieden. Nach einem weiteren Vorschlag der Erfindung ist die Schlauchdichtung in einer umlaufenden Nut des Türblattes angeordnet, und zwar so, daß sie im druckentlasteten Zustand an der Oberkante der Nut abschließt sowie im aufgeblähten Zustand über die Oberkante der Nut vorsteht. Die Schlauchdichtung kann einen kreisförmigen Querschnitt aufweisen. Es besteht aber auch die in montagetechnischer Hinsicht einfachere und zugleich besonders dichtungswirksame Möglichkeit, eine Schlauchdichtung zu verwenden, die im druckentlasteten Zustand ein im wesentlichen rechteckiges Schlauchprofil aufweist. Hier läßt sich an der zugeordneten Wand der Türzarge eine verhältnismäßig große Dichtfläche verwirklichen, wobei die entsprechende Oberfläche der Schlauchdichtung mit besonderen Dichtungsrippen versehen werden kann. Um das Druckmittel in die Schlauchdichtung einzuführen, empfiehlt sich eine Ausführungsform, bei der das Druckluftleitungssystem Anschlußbauteile aufweist, die über ein Türband und ein Scharnier in das Türblatt eingeführt sind und dort an die Schlauchdichtung angeschlossen sind. Das Türblatt kann als doppelschaliges Türblatt ausgeführt sein, was in bezug auf die Montage der Schlauchdichtung aber auch in bezug auf den Anschluß der Schlauchdichtung an die Anschlußbauteile vorteilhaft ist, weil in dem Türblatt ausreichend Platz zur Verfügung steht. Die doppelschalige Ausbildung des Türblattes bringt den weiteren Vorteil, daß eine Ausschäumung vorgenommen werden kann. Dieses gilt auch für die Türzarge, so daß die erfindungsgemäße Sicherheitstür unschwer gleichzeitig auch schall- und wärmedämmend ausgeführt werden kann. Handelt es sich um eine Ausführungsform mit nur einseitig zu öffnendem Türblatt, so kann zusätzlich ein mechanischer Anschlag vorgesehen sein, der die Öffnungsrichtung bestimmt. Es versteht sich, daß zum Zwecke des Verschließens der Tür mit einem Türverschluß die üblichen Verschlußeinrichtungen zusätzlich angeordnet werden können.There are several in the scope of the invention Possibilities for further training and design of the Security door. So the door leaf and the surrounding one Door frame preferably matched rounded Corners in order to ensure a flawless even in the corner areas Sealing between the sealing counter surface and the To reach the hose seal. Rounding the frame corners can be done using appropriate fillers the door frame only for walls with a lightweight construction only the invention sees a minimal wall support before that the door frame has high strength and inherent rigidity and consequently as self-supporting Door frame is formed. Furthermore, it is the Hose sealing facing sealing surface preferably designed as a smooth surface so far To facilitate disinfection measures. For this reason is also on a fold in the door frame and the door leaf waived. Because bacteria to be killed are in tight Hardest to hit niches. The gap between that Door leaf and the door frame is so wide that sufficient access to the hose seal for the disinfectant. The door leaf is standing within the scope of the invention essentially symmetrical Frame profile, so that the disinfectant effect on both Sides is equivalent. The invention further provides that the door leaf is designed as a double-leaf door leaf is and that the door leaf and possibly the door frame soundproof and possibly heat-insulated with insulation material are. This becomes a requirement in the animal sector to suppress extraneous noise. The sound insulation is clear about the values of comparable doors out. - Conveniently, the door leaf is a smooth wall Door leaf with just one handle, e.g. Shock or pull handle, and optionally a door window. Because in the context of the invention can be expensive Actuators for the door leaf are dispensed with, especially on a door lock, the keyhole a perfect demarcation between security and Sterile areas not allowed. - The hose seal consists preferably of permanently elastic material and is therefore characterized by a long service life. The Compressed air inflow cross section and the compressed air outflow cross section are identical. A sufficiently large cross-section for a quick inflow of compressed air in the train the seal and a quick discharge of the compressed air can be reached in the course of opening the door leaf implement, for example, an elongated hole cross section. To is a preferred embodiment of the invention provided that the compressed air inflow cross section and Compressed air discharge cross section of 2 or more compressed air channels are formed in the door leaf, via hose plug-in couplings are connected to the hose seal and are connected to the compressed air line system. The hose plug-in couplings ensure an in manufacturing technology particularly simple embodiment. In addition, a flow noise and consequently, avoiding annoying noise. To Another proposal of the invention is the hose seal arranged in a circumferential groove of the door leaf, in such a way that they come on in a depressurized state the upper edge of the groove closes as well as in the inflated State protrudes beyond the top edge of the groove. The hose seal can have a circular cross section. It but also exists in terms of assembly technology simpler and at the same time particularly effective sealing Possibility to use a hose seal that in the depressurized condition is essentially rectangular Has hose profile. Here can be assigned to the Wall of the door frame has a relatively large sealing surface realize the appropriate surface of the Provide the hose seal with special sealing ribs can be. To the pressure medium in the hose seal to introduce, an embodiment is recommended in which the compressed air line system has connection components that inserted into the door leaf via a door hinge and a hinge are connected to the hose seal are. The door leaf can be designed as a double-skin door leaf be what regarding the assembly of the hose seal but also with regard to the connection of the hose seal to the connecting components is advantageous because in the Door leaf enough space is available. The double-shell Training the door leaf brings the further Advantage that foaming can be carried out. This also applies to the door frame, so that the invention Security door also soundproof at the same time and can be carried out with thermal insulation. It is about an embodiment with only one-sided opening Door leaf, so can also be a mechanical stop be provided, which determines the opening direction. It is understood that for the purpose of closing the door with a door lock the usual locking devices can be arranged in addition.

Im folgenden wird die Erfindung anhand einer lediglich ein Ausführungsbeispiel darstellenden Zeichnung ausführlicher erläutert. Es zeigen

Fig. 1
das Schema einer Sicherheitstür,
Fig. 2
in gegenüber der Fig. 1 vergrößertem Maßstab und mit weiteren Details eine Ansicht des Türblattes mit zugeordneter Zarge aus dem Gegenstand der Fig. 1,
Fig. 3
einen Schnitt in Richtung A-A durch den Gegenstand der Fig. 2,
Fig. 4
einen Schnitt in Richtung B-B durch den Gegenstand der Fig. 2,
Fig. 5
in gegenüber den Fig. 2 bis 4 vergrößertem Maßstab den Schnitt C-C durch den Gegenstand der Fig. 2,
Fig. 6
entsprechend der Fig. 5 den Schnitt D-D durch den Gegenstand der Fig. 2 in anderer Funktionsstellung und
Fig. 7
in nochmals vergrößertem Maßstab das Türband mit Scharnier und Anschlußbauteilen, das Scharnier teilweise im Schnitt.
In the following, the invention will be explained in more detail with reference to a drawing showing only one exemplary embodiment. Show it
Fig. 1
the scheme of a security door,
Fig. 2
1 on a larger scale and with further details, a view of the door leaf with an associated frame from the object of FIG. 1,
Fig. 3
2 shows a section in the direction AA through the object of FIG. 2,
Fig. 4
3 shows a section in the direction BB through the object of FIG. 2,
Fig. 5
2 to 4 on an enlarged scale the section CC through the object of FIG. 2,
Fig. 6
5 shows the section DD through the object of FIG. 2 in a different functional position and
Fig. 7
on a further enlarged scale the hinge with hinge and connecting components, the hinge partly in section.

Die in Fig. 1 dargestellte Sicherheitstür 1 ist für eine den Zutritt zu einem Sicherheits- bzw. Sterilraum ermöglichende Raumöffnung bestimmt. Nimmt man die weiteren Figuren hinzu, so erkennt man, daß die Sicherheitstür eine Türzarge 2 und ein einflügeliges Türblatt 3 aufweist, welches mit Hilfe von Türbändern 4 an die Türzarge 2 angeschlossen ist. Im übrigen ist ein ein- und ausschaltbares Dichtungssystem 5 mit Druckmittelbetätigung vorgesehen, zu dem eine Mehrzahl von Bauteilen und Aggregaten gehören, die weiter unten erläutert werden.The security door 1 shown in Fig. 1 is for a enabling access to a safety or sterile room Room opening determined. If you take the other figures added, you can see that the security door is a door frame 2 and has a single-leaf door leaf 3, which with With the help of door hinges 4 is connected to the door frame 2. For the rest is a sealing system that can be switched on and off 5 provided with pressure medium actuation, to which a plurality of components and assemblies belonging below are explained.

Das Türblatt 3 trägt in seinem Türblattrand, der Zarge zugewandt, eine umlaufende Schlauchdichtung 6, die dem Dichtungssystem 5 angehört. Man erkennt die umlaufende Schlauchdichtung 6 in den Fig. 3 und 4 und ausschnittsweise in den Fig. 5 und 6. Das Dichtungssystem 5 ist mit vorgegebener Dichtkraft gegen eine autogene Rückstellkraft aufblähbar. Die Fig. 6 zeigt den aufgeblähten Zustand. Autogene Rückstellkraft bedeutet, daß die Rückstellkraft sich durch die elastische Verformung der Schlauchdichtung 6 beim Aufblähen entwickelt. Die dem Türblatt 3 zugewandte Zargenfläche ist als ebene, und im Funktionszustand praktisch unverformbare Dichtungsgegenfläche 7 ausgebildet. Dazu wird ebenfalls auf die Fig. 6 verwiesen. Praktisch unverformbar bedeutet, daß eine formschlüssige Verbindung zwischen der aufgeblähten Schlauchdichtung und der Dichtungsgegenfläche nicht eintritt. Die Auslegung ist so getroffen, daß sich gegen die Dichtungsgegenfläche 7 die aufgeblähte Schlauchdichtung 6 bei geschlossenem Türblatt 3 und eingeschaltetem Dichtungssystem 5 dichtend abstützt. Das Dichtungssystem 5 ist automatisch gesteuert, und zwar dergestalt, daß in dem Augenblick, in dem das Türblatt 3 sich in die Stellung "geschlossen" bewegt, das Dichtungssystem 5 eingeschaltet wird und wie beschrieben funktioniert. Das Öffnen kann über eine entsprechende Druckknopfsteuerung bei 8 erfolgen. Aus der Fig. 1 entnimmt man, daß das Dichtungssystem 5 eine Druckmittelquelle 9, vorzugsweise eine Druckluftquelle oder eine andere Gasquelle, ein Druckluftleitungssystem 10 mit Steuerventilen 11 und ein Druckentlastungssystem 12 mit Steuersystem aufweist. Mit diesen Bauteilen ist bei eingeschaltetem Dichtungssystem 5 die Schlauchdichtung 6 aufblähbar. Bei ausgeschaltetem Dichtungssystem 5 ist die Schlauchdichtung 6 ausblasbar, und zwar unter dem Einfluß der schon erläuterten Rückstellkräfte. Die Druckmittelquelle 9 und das Druckmittelleitungssystem 10 sind so eingerichtet, daß die Dichtkraft das geschlossene Türblatt 3 gegen die Türzarge 2 über Reibungsschluß sicher verriegelt. Das Druckentlastungssystem 12 ist so eingerichtet, daß es das über Reibungsschluß verriegelte Türblatt 3 in einer Entlastungszeitspanne von nur wenigen Sekunden entriegelt. Die Rückstellkraft der Schlauchdichtung 6 ist entsprechend bemessen. Im Ausführungsbeispiel und nach bevorzugter Ausführungsform der Erfindung ist die Schlauchdichtung 6 in einer umlaufenden Nut 13 des Türblattes 3 eingelegt, und zwar so, daß sie im druckentlasteten Zustand an der Oberkante der Nut 13 abschließt, wie es insbesondere die Fig. 5 und 6 erkennen lassen. Andererseits ist die Auslegung so getroffen, daß im aufgeblähten Zustand die Schlauchdichtung 6 über die Oberkante der Nut 13 vorsteht. Die Schlauchdichtung 6 besitzt im Ausführungsbeispiel im druckentlasteten Zustand ein im wesentlichen rechteckiges Schlauchprofil. In der Fig. 7 wurde dargestellt, daß das Druckluftleitungssystem 10 Anschlußbauteile 14 aufweist, die über ein Türband 4 und ein Scharnier 15 in das Türblatt 3 eingeführt sind und dort an die Schlauchdichtung 6 angeschlossen werden.The door leaf 3 carries in its door leaf edge, the frame facing a circumferential hose seal 6, the Sealing system 5 heard. You can see the circumferential Hose seal 6 in FIGS. 3 and 4 and in sections 5 and 6. The sealing system 5 is predetermined Inflatable sealing force against an autogenous restoring force. 6 shows the inflated state. Autogenous restoring force means that the restoring force due to the elastic deformation of the hose seal 6 developed when inflated. The facing the door leaf 3 Frame surface is as flat, and in working condition practically non-deformable sealing counter surface 7 is formed. For this purpose, reference is also made to FIG. 6. Practically non-deformable means that a positive connection between the inflated hose seal and the Counter sealing surface does not enter. The interpretation is like this met that against the sealing counter surface 7 inflated hose seal 6 with door leaf 3 closed and switched on sealing system 5 supports sealing. The sealing system 5 is automatically controlled, namely such that the moment the door leaf 3 moves to the "closed" position, the sealing system 5 is turned on and as described works. The opening can be done via a corresponding Push button control done at 8. From Fig. 1 takes one that the sealing system 5 a pressure medium source 9, preferably a compressed air source or another gas source, a compressed air line system 10 with control valves 11 and a pressure relief system 12 with a control system. With these components is when turned on Sealing system 5, the hose seal 6 inflatable. at turned off sealing system 5 is the hose seal 6 inflatable, under the influence of the already explained restoring forces. The pressure medium source 9 and the pressure medium line system 10 are set up so that the sealing force against the closed door leaf 3 Door frame 2 securely locked using a friction lock. The Pressure relief system 12 is set up so that it Door leaf 3 locked in a frictional engagement Relief period of just a few seconds unlocked. The restoring force of the hose seal 6 is corresponding dimensioned. In the exemplary embodiment and according to a preferred embodiment the invention is the hose seal 6 in a circumferential groove 13 of the door leaf 3 inserted, and in such a way that they are in the pressure-relieved state at the top edge the groove 13 closes, as shown in FIG. 5 in particular and 6. On the other hand, the interpretation is like this hit that in the inflated state the hose seal 6 protrudes over the upper edge of the groove 13. The hose seal 6 has in the embodiment in the pressure-relieved Condition an essentially rectangular tube profile. In 7 was shown that the compressed air line system 10 connecting components 14, which has a door hinge 4 and a hinge 15 inserted into the door leaf 3 are and connected to the hose seal 6 there become.

Das Türblatt 3 ist im Ausführungsbeispiel ein doppelschaliges Türblatt 3, es ist zum Zwecke der Schall- und Wärmedämmung ebenso wie die Zarge 2 ausgeschäumt.The door leaf 3 is a double-shell in the embodiment Door leaf 3, it is for the purpose of sound and Thermal insulation as well as frame 2 are foamed.

Das Türblatt 3 und die umlaufende Türzarge 2 weisen aufeinander abgestimmte abgerundete Ecken auf. Das Türblatt 3 ist als glattwandiges Türblatt mit lediglich einem Handgriff 16 und einem Türfenster 17 ausgebildet. - Der Drucklufteinströmquerschnitt und der Druckluftausströmquerschnitt der Schlauchdichtung 6 sind von zwei Druckluftkanälen 18 in dem Türblatt 3 gebildet, die über Schlauch-Steckkupplungen an die Schlauchdichtung 6 angeschlossen sind und mit dem Druckluftleitungssystem 10 in Verbindung stehen.The door leaf 3 and the surrounding door frame 2 face each other coordinated rounded corners. The door leaf 3 is as a smooth-walled door leaf with only one handle 16 and a door window 17. - The compressed air inflow cross section and the compressed air outflow cross section of the Hose seal 6 are of two compressed air channels 18 in the Door leaf 3 formed by hose plug-in couplings the hose seal 6 are connected and with the Compressed air line system 10 are connected.

Claims (12)

  1. A safety door (1), particularly a sterile door (1), for a room opening which facilitates entry to safety rooms and sterile rooms, wherein the safety door (1) has a surrounding door frame (2), and has a single-door door leaf (3) which is attached to the door frame (2) with the aid of hinge plates (4), as well as a sealing system (5) which is operated by a pressure medium and which can be turned on and off, and wherein the following additional features are put into effect:
    1.1)
    in its door leaf edge which faces the rebate-free door frame (2), the rebate-free door leaf (3) bears a surrounding flexible tubular seal (6) made of rubber or plastics material, which forms part of the sealing system (5), which is attached to the door leaf (3) forming a seal, and which can be inflated with a predetermined sealing force against an autogenous restoring force,
    1.2)
    the frame face which faces the flexible tubular seal (6) is formed as a flat, non-deformable seal counterface (7), against which the inflated flexible tubular seal (6) bears, forming a seal, when the door leaf (3) is closed and the sealing system (5) is turned on,
    1.3)
    the sealing system (5) is controlled automatically and comprises a compressed air source (9), a compressed air line system (10) with control valves (11) and a pressure release system (12) with control valves (11), with which components (9, 10, 11, 12) the flexible tubular seal (6) can be inflated when the sealing system (5) is turned on and via which components (9, 10, 11, 12) the flexible tubular seal (6) can be deflated when the sealing system (5) is turned off,
    characterised in that
    1.4)
    the compressed air source (9), the compressed air line system (10) and the compressed air inflow cross-section of the flexible tubular seals (6) are designed so that the sealing force additionally locks the closed door leaf (3) rapidly and securely against the door frame (2) via frictional engagement, and that
    1.5)
    the pressure release system (12) and the compressed air outflow cross-section of the flexible tubular seal (6) are designed so that the door leaf (3) which is locked by frictional engagement is unlocked within a depressurisation period of 1 to 6 seconds, preferably of 1 to 3 seconds.
  2. A safety door according to claim 1, characterised in that the door leaf (3) and the surrounding door frame (2) have rounded corners which are matched to each other.
  3. A safety door according to claims 1 or 2, characterised in that the door frame (2) has a high strength and a high inherent rigidity and its seal counterface (7) which faces the flexible tubular seal (6) is formed as a smooth surface.
  4. A safety door according to any one of claims 1 to 3, characterised in that the door leaf (3) is constructed as a double-skin door leaf and that the door leaf (3) and optionally the door frame (2) are acoustically and optionally thermally insulated by means of insulating material.
  5. A safety door according to any one of claims 1 to 4, characterised in that the door leaf (3) is constructed as a smooth-walled door leaf which merely comprises a handle (16) and optionally a door window (17).
  6. A safety door according to any one of claims 1 to 5, characterised in that the flexible tubular seal (6) consists of a permanently elastic material.
  7. A safety door according to any one of claims 1 to 6, characterised in that the compressed air inflow cross-section and the compressed air outflow cross-section are identical.
  8. A safety door according to any one of claims 1 to 7, characterised in that the compressed air inflow cross-section and the compressed air outflow cross-section are formed by 2 or more compressed air channels (18) in the door leaf (3), which are connected to the flexible tubular seal (6) via plug-in hose couplings, and which communicate with the compressed air line system (10).
  9. A safety door according to any one of claims 1 to 8, characterised in that the flexible tubular seal (6) is disposed in a surrounding groove (13) in the door leaf (3), terminates at the top edge of the groove (13) in its depressurised state, and protrudes above the top edge of the groove (13) in its inflated state.
  10. A safety door according to any one of claims 1 to 9, characterised in that the flexible tubular seal (6) has a substantially rectangular tube profile in its depressurised state.
  11. A safety door according to any one of claims 1 to 10, characterised in that the compressed air line system (10) has connection components (14) which are introduced, via a hinge plate (4) and a hinge (15), into the door leaf (3) and are connected there to the flexible tubular seal (6).
  12. A safety door according to any one of claims 1 to 11, characterised by a door leaf (3) which can be opened from one side only, wherein in addition a stop is provided which determines the direction of opening.
EP97937488A 1996-07-17 1997-07-15 Safety door assembly, in particular a sterile door Expired - Lifetime EP0912813B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19628747A DE19628747C2 (en) 1996-07-17 1996-07-17 Security door, especially sterile door
DE19628747 1996-07-17
PCT/EP1997/003787 WO1998003761A1 (en) 1996-07-17 1997-07-15 Safety door assembly, in particular a sterile door

Publications (2)

Publication Number Publication Date
EP0912813A1 EP0912813A1 (en) 1999-05-06
EP0912813B1 true EP0912813B1 (en) 2000-12-13

Family

ID=7800023

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97937488A Expired - Lifetime EP0912813B1 (en) 1996-07-17 1997-07-15 Safety door assembly, in particular a sterile door

Country Status (11)

Country Link
US (1) US6195941B1 (en)
EP (1) EP0912813B1 (en)
JP (1) JP3955098B2 (en)
AT (1) ATE198094T1 (en)
CA (1) CA2236536C (en)
CZ (1) CZ295638B6 (en)
DE (2) DE19628747C2 (en)
ES (1) ES2152696T3 (en)
HU (1) HU221070B1 (en)
PL (1) PL184621B1 (en)
WO (1) WO1998003761A1 (en)

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GB2342377B (en) * 1999-08-10 2000-08-30 John Price Door or window with inflatable anti-flood seals
EP1154118A1 (en) 2000-05-08 2001-11-14 Georges Emile Puljiz Sealing against all water entries
US6485029B1 (en) * 2000-10-11 2002-11-26 The United States Of America As Represented By The Secretary Of The Navy Inflatable sealing device
NL1023562C2 (en) * 2003-05-28 2004-11-30 Elton Bv Ind & Handel Sealing device for a door or the like, inflatable seal for such a sealing device, as well as a door or the like provided with such a sealing device or seal.
WO2004113175A1 (en) * 2003-06-26 2004-12-29 Sig Technology Ltd. Protective structure for an apparatus for the handling of containers
US20050247823A1 (en) * 2004-05-04 2005-11-10 Wood Jeffrey H Injection-molded polycarbonate door
JP4433463B2 (en) * 2004-05-14 2010-03-17 五洋建設株式会社 Washable room structure and room washing method
ITBO20040331A1 (en) * 2004-05-25 2004-08-25 Ima Spa SEPARATION STRUCTURE FOR THE INSULATION OF THE EXTERNAL ENVIRONMENT OF A DELIMITED SPACE
US7658417B2 (en) 2006-02-24 2010-02-09 Apical Industries, Inc. Hose hinge assembly
US7743560B2 (en) * 2006-04-28 2010-06-29 Box Neil K Door sealing system
GB0624563D0 (en) * 2006-12-08 2007-01-17 Ian Harrison Associates Improved door
ITFI20070095A1 (en) * 2007-04-18 2008-10-19 Casafortes Hld S R L APPARATUS FOR PROTECTION OF ENVIRONMENTS CLOSED BY FLOODING OR CONTAMINATION.
GB2457229A (en) * 2008-02-05 2009-08-12 Paul Anthony Turner Flood defence apparatus
US8109551B2 (en) * 2009-02-04 2012-02-07 New Flyer Industries Canada Ulc Bus cabin structure
HUE027564T2 (en) * 2009-05-04 2016-10-28 Air-Lux Technik Ag Device for sealingly closing a room opening
CN101988367B (en) * 2009-07-30 2012-08-22 李宝龄 Reusable automatic pressure relief device
JP5543169B2 (en) * 2009-10-14 2014-07-09 麒麟麦酒株式会社 Enclosure structure
US8595983B2 (en) * 2010-04-23 2013-12-03 Gaven Industries, Inc. Door and system providing radio frequency shielding against high-altitude electromagnetic pulse
GB2542402A (en) * 2015-09-18 2017-03-22 Ruskinn Tech Ltd Sealing method for controlled atmosphere apparatus
CN108691487B (en) * 2018-05-11 2024-04-12 中国科学院西安光学精密机械研究所 Self-falling sealing cabin door structure and installation method
CN108915501A (en) * 2018-07-20 2018-11-30 中国科学院武汉病毒研究所 A kind of air heave type hermatic door for high-level biosafety laboratory
CN112294577A (en) * 2020-12-10 2021-02-02 成都天空燃控科技股份有限公司 A transition cabin for life cabin business turn over
CN115199184B (en) * 2022-07-11 2023-05-30 四川大学华西医院 Operating room door with multiple opening modes
CN115559651A (en) * 2022-10-21 2023-01-03 福建省铭时门业科技有限公司 Air bag type airtight door capable of clamping, inflating and reflowing

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Also Published As

Publication number Publication date
US6195941B1 (en) 2001-03-06
WO1998003761A1 (en) 1998-01-29
CA2236536C (en) 2005-01-04
JP3955098B2 (en) 2007-08-08
DE59702764D1 (en) 2001-01-18
ES2152696T3 (en) 2001-02-01
PL329370A1 (en) 1999-03-29
JP2000514516A (en) 2000-10-31
DE19628747C2 (en) 2000-11-30
CZ427598A3 (en) 1999-11-17
PL184621B1 (en) 2002-11-29
HUP9902178A1 (en) 1999-11-29
DE19628747A1 (en) 1998-01-29
EP0912813A1 (en) 1999-05-06
ATE198094T1 (en) 2000-12-15
HU221070B1 (en) 2002-07-29
HUP9902178A3 (en) 2000-01-28
CA2236536A1 (en) 1998-01-29
CZ295638B6 (en) 2005-09-14

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