EP0916573A2 - Method for setting up inflatable liferafts - Google Patents

Method for setting up inflatable liferafts Download PDF

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Publication number
EP0916573A2
EP0916573A2 EP98118834A EP98118834A EP0916573A2 EP 0916573 A2 EP0916573 A2 EP 0916573A2 EP 98118834 A EP98118834 A EP 98118834A EP 98118834 A EP98118834 A EP 98118834A EP 0916573 A2 EP0916573 A2 EP 0916573A2
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EP
European Patent Office
Prior art keywords
support
supports
inflated
stable
inflatable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP98118834A
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German (de)
French (fr)
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EP0916573B1 (en
EP0916573A3 (en
Inventor
Bernd W. Schulze
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Deutsche Schlauchbootfabrik Hans Scheibert GmbH and Co KG
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Deutsche Schlauchbootfabrik Hans Scheibert GmbH and Co KG
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Publication of EP0916573A3 publication Critical patent/EP0916573A3/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C9/00—Life-saving in water
    • B63C9/02—Lifeboats, life-rafts or the like, specially adapted for life-saving
    • B63C9/04—Life-rafts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C9/00—Life-saving in water
    • B63C9/02—Lifeboats, life-rafts or the like, specially adapted for life-saving
    • B63C9/04—Life-rafts
    • B63C2009/042—Life-rafts inflatable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C9/00—Life-saving in water
    • B63C9/02—Lifeboats, life-rafts or the like, specially adapted for life-saving
    • B63C9/04—Life-rafts
    • B63C2009/044—Life-rafts covered

Definitions

  • the invention relates to a method for commissioning Life rafts by inflating, the life rafts an inflatable base body enclosing the cockpit and two or more, at least essentially each other parallel, essentially overlapping the basic body arched, inflatable supports for the roof membrane exhibit.
  • the object of the invention is to overcome these disadvantages to avoid and accordingly to achieve that coming Water does not lead to adverse accumulations and accordingly the roof can be erected properly.
  • a (first) prop inflated so far that it is at least essentially dimensionally stable, stable the other supports are inflated so that they too dimensionally stable, stable.
  • the expediently first support together with the inflation of the tubes of the Basic body erected and then made dimensionally stable, what possibly by overflowing the pressure medium from the hoses of the base body can be effected in the support. Is this manipulation ends, the second prop erected, i.e. converted into the active state.
  • the invention is based on the knowledge that in pursuit of the inventive concept by first erecting one Support to some extent in connection with the roof skin Pitched roof arises, which is a disadvantageous accumulation of water prevented on the roof skin. Is among these Prerequisites already supporting a support and dimensionally stable, the second, and possibly the further supports can be inflated become.
  • the invention is not to certain shapes of the Base body and / or the supports bound, albeit also parallel supports or double supports usually oval or elongated base bodies are used.
  • the supports in the zenith can be e.g. be connected like a ridge by transverse hoses (webs).
  • the main body of the life raft essentially consists made of two inflatable tubes arranged one above the other 1, 2 and the bottom 3 of the device. Seen in the floor plan the basic body enclosing the cockpit essentially oval shaped; there are two arches 4, 5 and two straight, mutually parallel hose sections 6, 7 available. These hose sections are used to attach two arched, inflatable supports 8, 9, which are at the zenith through a strut 10 to a certain extent as a ridge beam are connected, which are parallel to the hose sections 6, 7 runs. The supports 8, 9 are used for mounting and Supporting a roof skin 11, the edges of which on the hose 1 are attached. On the presentation special Facilities e.g. an entry for users of the Life raft has been dispensed with.
  • the support 8 is inflated, in one such mass that it is stable or dimensionally stable.
  • the support 9 and the strut 10 are not yet dimensionally stable, i.e. still lobed, there is a state as shown in Fig. 4. It forms to some extent a pointed roof or a ridge, which through the Tip of the support 8 is determined. So that are best Prerequisites given that water coming over e.g. Drain water coming from breakers to the side can.
  • the procedure is analogous, but then expediently the central support is first load-bearing inflated and only then those on both sides Columns would have to be designed to be load-bearing.
  • the Invention not necessarily to one or more in the ridge struts located on the roof bound, but prove they are usually important because they due to the overflow delay to the desired effect the subsequent inflation of the secondary supports.
  • the basic body in the floor plan ring-shaped, oval or the like be executed and also from individual sections are polygonal can. In all cases, the cockpit is made up of the main body enclosed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Tents Or Canopies (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The inflation process is for a raft with an inflatable hull (1,2) round a cockpit and two or more supports (8,9) for the roof skin (11). One support (8) is first inflated sufficiently to make it rigid. The other support is then inflated so that it too becomes rigid and capable of bearing weight, with some delay after the first one. The raft for inflation has an overflow valve or throttle (14,15) through which the second support (9) is supplied from the first support.

Description

Die Erfindung betrifft ein Verfahren zur Inbetriebnahme von Rettungsinseln durch Aufblähen, wobei die Rettungsinseln einen das Cockpit umschliessenden, aufblähbaren Grundkörper und zwei oder mehrere, zumindest im wesentlichen einander parallele, den Grundkörper übergreifende, im wesentlichen bogenförmige, aufblähbare Stützen für die Dachhaut aufweisen.The invention relates to a method for commissioning Life rafts by inflating, the life rafts an inflatable base body enclosing the cockpit and two or more, at least essentially each other parallel, essentially overlapping the basic body arched, inflatable supports for the roof membrane exhibit.

Es ist bekannt, die Schläuche des Grundkörpers derart mit den Stützen zu verbinden, dass beim Aufblähen des Grundkörpers das Druckmittel in die Stützen überströmen kann. Diese Art der Inbetriebnahme ist günstig, weil der technische Aufwand hierfür gering ist. Nachteilig ist diese Art der Inbetriebnahme jedoch deshalb, weil überkommendes Wasser ein ordnungsgemässes Aufrichten des Daches verhindern kann. Insb. kann Wasser auf die Dachhaut auch zwischen benachbarte Stützen gelangen, dessen Entfernung beim Errichten des Daches Schwierigkeiten bereitet.It is known to use the hoses of the base body in this way to connect the supports that when inflating the Overflow the pressure medium into the supports can. This type of commissioning is cheap because of the Technical effort for this is low. This is disadvantageous The type of commissioning is, however, because it comes down to it Water a proper erection of the roof can prevent. Esp. can water on the roof skin too get between adjacent columns, its distance difficulties in erecting the roof.

Der Erfindung liegt die Aufgabe zugrunde, diese Nachteile zu vermeiden und demgemäss zu erreichen, dass überkommendes Wasser nicht zu nachteiligen Ansammlungen führen und demgemäss das Dach ordnungsgemäss errichtet werden kann.The object of the invention is to overcome these disadvantages to avoid and accordingly to achieve that coming Water does not lead to adverse accumulations and accordingly the roof can be erected properly.

Zur Lösung dieser Aufgabe wird erfindungsgemäss zunächst eine ( erste ) Stütze so weit aufgebläht, dass sie zumindest im wesentlichen formsteif, tragfähig ist, worauf die anderen Stützen derart aufgebläht werden, dass auch sie formsteif, tragfähig werden. Es versteht sich, dass bei dem in der Praxis häufigsten Fall, also beim Vorhandensein von insg. zwei parallelen Stützen aufgrund der Erfindung zunächst die erste und dann im vorgenannten Sinne die zweite Stütze aufgebläht wird. Zweckmässigerweise wird die erste Stütze zusammen mit dem Aufblähen der Schläuche des Grundkörpers aufgerichtet und dann formstabil gemacht, was ggfs. durch Überströmen des Druckmittels von den Schläuchen des Grundkörpers in die Stütze bewirkt werden kann. Ist diese Manipulation beendet, wird die zweite Stütze aufgerichtet, also in den Wirkzustand überführt.To solve this problem, according to the invention first a (first) prop inflated so far that it is at least essentially dimensionally stable, stable the other supports are inflated so that they too dimensionally stable, stable. It is understood that the the most common case in practice, i.e. the presence of a total of two parallel supports based on the invention first the first and then in the aforementioned sense second prop is inflated. The expediently first support together with the inflation of the tubes of the Basic body erected and then made dimensionally stable, what possibly by overflowing the pressure medium from the hoses of the base body can be effected in the support. Is this manipulation ends, the second prop erected, i.e. converted into the active state.

Die Erfindung geht von der Erkenntnis aus, dass in Verfolg des Erfindungsgedankens durch das Aufrichten zunächst einer Stütze in Verbindung mit der Dachhaut gewissermassen ein Spitzdach entsteht, das eine nachteilige Wasseransammlung auf der Dachhaut unterbindet. Ist unter diesen Voraussetzungen bereits eine Stütze tragend und formsteif, so können die zweite, ggfs. die weiteren Stützen aufgebläht werden.The invention is based on the knowledge that in pursuit of the inventive concept by first erecting one Support to some extent in connection with the roof skin Pitched roof arises, which is a disadvantageous accumulation of water prevented on the roof skin. Is among these Prerequisites already supporting a support and dimensionally stable, the second, and possibly the further supports can be inflated become.

Es sei erwähnt, dass die vorbeschriebenen Vorteile sich sowohl bei noch unter Wasser befindlichen Geräten, als auch unter den vorerwähnten Bedingungen ergeben, wenn nämlich die Rettungsflösse während der Inbetriebnahme, also während des Aufblähens vom Wasser überspült werden. Auch bei sog. selbstaufrichtenden Flössen kann die Erfindung von Nutzen sein. Eventuell auf der Dachhaut befindliches Wasser wird in diesen Fällen abgeleitet.It should be noted that the benefits described above are both with devices still under water, as well under the aforementioned conditions, if namely the life rafts during commissioning, i.e. during inflated with water. Even with so-called the invention can be useful for self-righting rafts be. Any water that may be on the roof cladding derived in these cases.

Nach dem Aufblähen der ersten Stütze kann die weitere(n) Stütze ebenfalls durch Überströmleitungen bzw. Reduzierelemente gebläht werden, jedoch versteht es sich, dass auch eigene Druckquellen sowohl für die erste, als auch für die weiteren Stützten vorgesehen sein können.After the first prop is inflated, the further (n) Support also through overflow lines or Reducing elements are inflated, but it goes without saying that also own pressure sources for both the first and can also be provided for the other supports.

Die Erfindung ist nicht an bestimmte Formgebungen des Grundkörpers und/oder der Stützen gebunden, wenngleich auch einander parallele Stützen bzw. Doppelstützen meist bei ovalen bzw. langgestreckten Grundkörpern Anwendung finden. Auch können die Stützen im Zenit untereinander z.B. firstartig durch Querschläuche ( Stege )verbunden sein.The invention is not to certain shapes of the Base body and / or the supports bound, albeit also parallel supports or double supports usually oval or elongated base bodies are used. The supports in the zenith can be e.g. be connected like a ridge by transverse hoses (webs).

Weitere Einzelheiten der Erfindung werden anhand der Zeichnung erläutert, in der ein Ausführungsbeispiel der Erfindung dargestellt ist. Es zeigen :

  • Fig. 1 eine aufaufblähbare Rettungsinsel von der Seite gesehen, und zwar im Schnitt nach der Linie I - I von
  • Fig. 2, die eine Rettungsinsel im Grundriss wiedergibt,
  • Fig. 3 eine Seitenansicht von Fig. 2 und
  • Fig. 4 die Rettungsinsel in der Darstellung gemäss Fig. 1, jedoch im noch nicht betriebsbereiten Zustand.
    • Further details of the invention will be explained with reference to the drawing, in which an embodiment of the invention is shown. Show it :
  • Fig. 1 seen an inflatable life raft from the side, in section along the line I - I of
  • 2, which shows a life raft in the floor plan,
  • Fig. 3 is a side view of Fig. 2 and
  • Fig. 4 shows the life raft in the illustration of FIG. 1, but in the not yet operational state.

    • Der Grundkörper der Rettungsinsel besteht im wesentlichen aus zwei übereinander angeordneten, blähfähigen Schläuchen 1, 2 und dem Boden 3 des Gerätes. Im Grundriss gesehen ist der das Cockpit umschliessende Grundkörper im wesentlichen oval gestaltet; es sind zwei Bogen 4, 5 und zwei gerade, einander parallele Schlauchabschnitte 6, 7 vorhanden. Diese Schlauchabschnitte dienen zur Anbringung von zwei bogenförmigen, aufblähbaren Stützen 8, 9, die im Zenit durch eine Strebe 10 gewissermassen als Firstbalken verbunden sind, welche parallel zu den Schlauchabschnitten 6, 7 verläuft. Die Stützen 8, 9 dienen zur Halterung und Unterstützung einer Dachhaut 11, deren Ränder am Schlauch 1 befestigt sind. Auf die Darstellung besonderer Einrichtungen z.B. eines Einstiegs für die Benutzer der Rettungsinsel ist verzichtet worden.The main body of the life raft essentially consists made of two inflatable tubes arranged one above the other 1, 2 and the bottom 3 of the device. Seen in the floor plan the basic body enclosing the cockpit essentially oval shaped; there are two arches 4, 5 and two straight, mutually parallel hose sections 6, 7 available. These hose sections are used to attach two arched, inflatable supports 8, 9, which are at the zenith through a strut 10 to a certain extent as a ridge beam are connected, which are parallel to the hose sections 6, 7 runs. The supports 8, 9 are used for mounting and Supporting a roof skin 11, the edges of which on the hose 1 are attached. On the presentation special Facilities e.g. an entry for users of the Life raft has been dispensed with.

    Um die auf engstem Raum verpackte Rettungsinsel in Betrieb nehmen zu können, muss sie aufgebläht werden. Dazu sind zwei Druckmittelquellen in Form von Flaschen 12, 13 mit dem vorgespannten Gas vorgesehen. Dabei sind die Flasche 12 mit den beiden Schläuchen 1, 2 und die Flasche 13 mit der Stütze 8 verbunden, deren Hohlraum seinerseits über eine Drosselstelle 14 mit der Strebe 10 in Verbindung steht. Darüber hinaus befindet sich zwischen der Strebe 10 und dem Hohlraum der Stütze 9 ein Übergang für das Druckmittel in Form einer weiteren Drossel 15.Around the life raft packed in the tightest of spaces in operation to be able to take it, it has to be inflated. To do this two pressure medium sources in the form of bottles 12, 13 with the biased gas provided. The bottle 12 is included the two hoses 1, 2 and the bottle 13 with the Support 8 connected, the cavity in turn via a Throttle point 14 is connected to the strut 10. In addition, there is between the strut 10 and the Cavity of the support 9 a transition for the pressure medium in Form of a further choke 15.

    Zur Inbetriebnahme der Rettungsinsel werden zunächst die beiden Schläuche 1, 2 mit Hilfe der Flache 12 bschickt. Zugleich wird die Stütze 8 aufgebläht, und zwar in einem solchen Masse, dass sie tragfähig bzw. formstabil ist. Da die Stütze 9 und ebenso die Strebe 10 noch nicht formstabil, also noch lappig sind, ergibt sich ein Zustand, wie dieser in Fig. 4 wiedergegeben ist. Es bildet gewissermassen ein Spitzdach bzw. ein First, der durch die Spitze der Stütze 8 bestimmt ist. Damit sind beste Voraussetzungen dafür gegeben, dass überkommendes Wasser z.B. aus Brechern kommendes Wasser zur Seite hin ablaufen kann.To start up the life raft, the sends both hoses 1, 2 with the help of the surface 12. At the same time, the support 8 is inflated, in one such mass that it is stable or dimensionally stable. There the support 9 and the strut 10 are not yet dimensionally stable, i.e. still lobed, there is a state as shown in Fig. 4. It forms to some extent a pointed roof or a ridge, which through the Tip of the support 8 is determined. So that are best Prerequisites given that water coming over e.g. Drain water coming from breakers to the side can.

    Erst nachdem der Zustand gemäss Fig. 4 erreicht ist, erfolgt eine Blähung der Strebe 10 durch die Drosselstelle 14 und schliesslich mit zeitlicher Verzögerung ein Aufblähen der Stütze 9 zu einer eigenen Formsteifig- und Tragfähigkeit, wobei es nicht schädlich ist, dass Luft bereits dann in die Elemente 10 und 9 eindringt, wenn die Stütze 8 noch nicht ganz formstabil ist. Jedenfalls sind unter diesen Bedingungen die Elemente 10 und 9 noch unfähig, sich aufzurichten und eine Tragfunktion zu übernehmen. Wichtig ist also, dass zunächst eine Stütze bzw. die Stütze 8 den vorgeschriebenen Innendruck erhält und so in der Lage ist, die vorerwähnte Spitzdachbildung zu erzielen. Only after the state according to FIG. 4 has been reached the strut 10 is inflated by the throttle point 14 and finally with a time delay Inflate the support 9 to its own rigid and Load capacity, it is not harmful that air already penetrates into the elements 10 and 9 when the Support 8 is not yet completely stable. Anyway are under these conditions, elements 10 and 9 still unable to stand up and a supporting function too take. So it is important that first a prop or the support 8 receives the prescribed internal pressure and is able to achieve the aforementioned pointed roof formation achieve.

    Sofern die Rettungsinsel etwa drei Stützen erhalten müsste, wird sinngemäss verfahren, wobei dann jedoch zweckmässigerweise die mittige Stütze zuerst tragfähig ausgebläht und erst dann die zu beiden Seiten befindlichen Stützen tragfähig auszubilden wären. Zudem ist die Erfindung nicht unbedingt an einen oder mehrere im First des Daches befindliche Streben gebunden, jedoch erweisen sie sich im Regelfalle deshalb von Bedeutung, weil sie aufgrund der Überströmverzögerung zu dem gewünschten Effekt der späteren Ausblähung der Sekundärstützen führt.If the liferaft should have about three supports, the procedure is analogous, but then expediently the central support is first load-bearing inflated and only then those on both sides Columns would have to be designed to be load-bearing. In addition, the Invention not necessarily to one or more in the ridge struts located on the roof bound, but prove they are usually important because they due to the overflow delay to the desired effect the subsequent inflation of the secondary supports.

    Es sei erwähnt, dass der Grundkörper im Grundriss ringförmig, oval od.dgl. ausgeführt sein und auch aus einzelnen Abschnitten polygonartig ausgeführt bestehen kann. In allen Fällen wird das Cockpit vom Grundkörper umschlossen.It should be mentioned that the basic body in the floor plan ring-shaped, oval or the like be executed and also from individual sections are polygonal can. In all cases, the cockpit is made up of the main body enclosed.

    Claims (6)

    Verfahren zur Inberiebnahme von Rettungsinseln durch Aufblähen, wobei die Rettungsinseln einen das Cockpit umschliessenden, aufblähbaren Grundkörper und zwei oder meherere, zumindest im wesentlichen einander parallele, den Grundkörper übergreifende, im wesentlichen bogenförmige, aufblähbare Stützen für die Dachhaut aufweist, dadurch gekennzeichnet, dass zunächst eine Stütze so weit aufgebläht wird, dass sie zumindest im wesentlichen formsteif, tragfähig ist, worauf die anderen Stützen derart aufgebläht werden, dass auch sie mit zeitlicher Verzögerung formsteif, tragfähig werden.Procedures for putting life rafts into operation Bloat, with the liferafts one in the cockpit enclosing, inflatable body and two or several, at least essentially parallel, the Basically overlapping, essentially arc-shaped, has inflatable supports for the roof skin, thereby characterized that initially a prop so far is inflated that they are at least essentially dimensionally stable, stable, on which the other supports are so that they are inflated with a time delay dimensionally stable, stable. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass bei drei Stützen zunächst die mittig gelegene Stütze tragfähig aufgebläht und dann die übrigen Stützen tragfähig ausgebildet werden.A method according to claim 1, characterized in that if there are three supports, the center support inflated to capacity and then the remaining supports are stable be formed. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die erste Stütze gleichzeitig mit dem Grundkörper der Rettungsinsel oder mit geringer zeitlicher Verzögerung hierzu aufgebläht wird.A method according to claim 1, characterized in that the first prop at the same time as the main body of the Life raft or with a slight delay this is inflated. Rettungsinsel zur Durchführung des Verfahrens nach Anspruch 1, dadurch gekennzeichnet, dass die anderen Stützen (9) durch ein von der ersten Stütze (8) gespeistes Überströmventil (14,15, Drossel) beaufschlagbar sind.Liferaft to carry out the procedure after Claim 1, characterized in that the others Support (9) by one fed by the first support (8) Overflow valve (14, 15, throttle) can be acted on. Rettungsinsel mit zwischen benachbarten Stützen befindlichen pneumatischen Streben nach Anspruch 4, dadurch gekennzeichnet, dass die Baufschlagung der anderen Stützen (9) durch die erste Stütze über die Strebe (10) erfolgt, die durch Überströmventile (14,15) mit der ersten Stütze (8) und den anderen Stütze(n) druckmittelmässig in Wirkverbindung stehen.Life raft with between adjacent supports located pneumatic struts according to claim 4, characterized characterized that the building of the other supports (9) through the first support via the strut (10), by means of overflow valves (14, 15) with the first support (8) and the other support (s) in pressure medium Active connection. Rettungsinsel nach Anspruch 4, dadurch gekennzeichnet, dass der Grundkörper (1,2) und die erste Stütze (8) eine eigene Druckmittelquelle (12,13) aufweisen.Liferaft according to claim 4, characterized in that the base body (1,2) and the first support (8) one have their own pressure medium source (12, 13).
    EP98118834A 1997-11-15 1998-10-06 Method for setting up inflatable liferafts Expired - Lifetime EP0916573B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE19750717 1997-11-15
    DE19750717A DE19750717A1 (en) 1997-11-15 1997-11-15 Procedure for commissioning inflatable liferafts

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    EP0916573A2 true EP0916573A2 (en) 1999-05-19
    EP0916573A3 EP0916573A3 (en) 1999-12-01
    EP0916573B1 EP0916573B1 (en) 2004-03-10

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    EP (1) EP0916573B1 (en)
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    JPH0920289A (en) * 1995-07-06 1997-01-21 Toyo Tire & Rubber Co Ltd Life raft

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    Title
    None

    Also Published As

    Publication number Publication date
    EP0916573B1 (en) 2004-03-10
    DE59810947D1 (en) 2004-04-15
    DE19750717A1 (en) 1999-05-20
    US6077138A (en) 2000-06-20
    EP0916573A3 (en) 1999-12-01

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