EP0465430A1 - Swimming-pool cover - Google Patents

Swimming-pool cover Download PDF

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Publication number
EP0465430A1
EP0465430A1 EP91810538A EP91810538A EP0465430A1 EP 0465430 A1 EP0465430 A1 EP 0465430A1 EP 91810538 A EP91810538 A EP 91810538A EP 91810538 A EP91810538 A EP 91810538A EP 0465430 A1 EP0465430 A1 EP 0465430A1
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EP
European Patent Office
Prior art keywords
swimming pool
longitudinal edges
edge
tensioning
cover
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
EP91810538A
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German (de)
French (fr)
Other versions
EP0465430B1 (en
Inventor
Josef Furrer
Werner Röösli
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BIERI BLACHEN AG
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BIERI BLACHEN AG
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Publication of EP0465430A1 publication Critical patent/EP0465430A1/en
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Publication of EP0465430B1 publication Critical patent/EP0465430B1/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/06—Safety devices; Coverings for baths
    • E04H4/10—Coverings of flexible material
    • E04H4/101—Coverings of flexible material wound-up on a fixed axis

Definitions

  • the present invention relates to a swimming pool cover, in particular for outdoor swimming pools.
  • Such covers consist of a textile-reinforced plastic film and can be rolled up onto a tube which can be rolled up and down over the longitudinal edges of the pool by its ends resting on the longitudinal edges of the swimming pool.
  • this pipe along with the plastic film rolled up on it, lies on the edge at one longitudinal end of the swimming pool.
  • the pipe with its two end areas must be rolled over the edge of the pool, the plastic film being rolled over the pool and remaining there.
  • the film is reinforced with cross struts so that it does not sag where it extends freely over the water. These cross struts can be arranged on the top or bottom of the cover.
  • the cross struts also apply as little as possible to the edge of the pool.
  • it also contributes to the aesthetic appearance of the cover when it lies as flat as possible on the edge of the pool.
  • the cover rolled out over the swimming pool must be secured so that it stays in place even in strong winds. As soon as it is not lashed down tightly, it can cause annoying fluttering noises under the influence of wind or even be blown away in storm winds. In addition, it must be ensured that a person stepping on the cover due to carelessness is carried safely by it. For this purpose, it is tensioned in the longitudinal direction with belts and in the transverse direction with rubber straps.
  • Piping seams are present on both end sides of the cover, in which on the one hand the tube to be rolled and on the other hand the one on the other side stationary tube are inserted.
  • these two tubes are braced away from one another by means of at least three belts.
  • the pipes themselves are enclosed by tension belts.
  • the associated parts of the straps are attached to the floor by drilling a hole in which a pin, which is bent at the top to form a rectangular loop, is inserted slightly tilted away from the pool. The strap end is fastened in the loop, which carries a buckle with a riddle on the other side.
  • the part of the straps attached to the rollable tube is led through the corresponding riddles buckle for lashing and then tightened.
  • the clamping force then acts on the rollable tube and finally over the entire width of the cover.
  • the cover is secured on the transverse sides by usually having a reinforced hole between the cross struts in the edge area, through which a gag can be inserted, to which a rubber strip is attached.
  • the rubber strip is then stretched around the head of a retractable flat-head pin which is used in the pool edge area. If a pool is now 7 meters long, for example, a total of over a dozen such rubber straps must be stretched.
  • a swimming pool cover which is characterized in that it has only means for securing the longitudinal edges, by means of which it can be stretched along its two longitudinal edges in the immediate vicinity of the ground in the use position, in such a way that the edge regions along the longitudinal edges are tired everywhere on the Lie on the edge of the pool.
  • this swimming pool cover according to the invention is that the effort for lashing down and lashing is considerably reduced.
  • the tensioning force acts directly near the ground, which has not been the case until now when the tensioning straps enclose the cross tubes at the ends.
  • the tension applied in the center of the cross tubes and therefore not immediately near the ground.
  • the longitudinal edges of the film could not lie snugly on the edge of the swimming pool.
  • FIG. 1 shows the swimming pool cover 1 according to the invention in the closed state in a perspective top view. It consists of a textile-reinforced plastic film 2 with cross struts 3, and, at the ends of its broad sides, pipes 5, 6 inserted into the piping seams 4 there.
  • the pool edge 7 is indicated with dashed lines.
  • the cross struts 3 are arranged below the swimming pool cover 1 so that they carry the plastic film 2. By their special, later described version, the cross struts 3 are largely below the upper edge of the edges 7 of the swimming pool, whereby the cover 1 is particularly flat and almost flush with the pool edge 7 in the closed state on this.
  • the cover 1 is a little wider than the length of the cross struts 3, so that the areas 8 along the longitudinal edges 9 can lie snugly on the edge 10 of the swimming pool. These edge areas 8 are reinforced by turning them over and welding the envelopes. On the end sides of the cover 11, 18, the welt seams 4 for receiving the tubes 5, 6 are of such a length that they leave the edge regions 8 or the envelopes at the longitudinal edges 9 free.
  • the ends of the edge areas 8, or the envelopes on the longitudinal edges 9 of the cover 1, are provided with metal or plastic eyelets 12.
  • the tension belts 13 can be hooked onto these eyelets 12 by means of hooks 14.
  • the tension belts 13 also have an eyelet 15 at their other end, which can be hung there on a retractable flat-head pin 16.
  • a tensioning buckle 17 is installed in each of the tensioning straps 13, by means of which the tensioning straps 13 can be tensioned with leverage.
  • the tensioning belts 13 only have to be provided with tensioning buckles 17 on one side 11 of the cover 1, namely where the rollable end is located.
  • the edge regions 8 of the longitudinal edges 9 can be fixed in place on a retractable flat-head pin by means of an eyelet. In the closed state of the cover 1 shown, the edge regions 8 lie on all sides Edge 10 of the pool.
  • the edge areas 8 along the longitudinal edges 9 are very strongly stretched directly on the floor. The lashing in the transverse direction by means of rubber stripes is eliminated, as a result of which a clean, continuous along the longitudinal edges 9 is achieved.
  • the rollable tube 5 itself can also be tensioned in a conventional manner, so that the middle region of the swimming pool cover is tensioned and this is tensioned as evenly as possible over its entire surface.
  • the tensioning buckles 17 are released, after which the hooks 14 of the tensioning belts 13 can be detached from the eyelets 12 and the eyelets 15 can also be detached from the retractable flat-head pins 16.
  • the tensioning belts 13 can then be put aside and no longer interfere, while the flat-headed pins 16 are sunk into the ground and only their flat heads protrude.
  • the cover 1 can be rolled back by rotating the tube 5 in a known manner, either by hand using a crank handle or using a motor.
  • the preparation of the cover therefore only requires the loosening of at least two tensioning buckles 17 and the removal of the corresponding tensioning belts 13.
  • the laborious loosening and removal of the many rubber stripes on the long sides of the cover is eliminated.
  • lashing down is much easier after the cover has been unrolled by merely hooking in the tensioning belts 13 which act at least along the edge regions 8 of the longitudinal edges 9 and need to be tensioned by means of the tensioning buckles 17.
  • FIG. 2 shows an example of a tensioning buckle 17 which enables tensioning by means of leverage. It has a frame 20 with a U-shaped cross section, in which a bracket 21 designed as a lever is pivotably mounted. The frame has cutouts 22, 23 in its base and the bracket 21 has a crosspiece 24 at its end region. One part 27 of the tensioning straps 13 is fastened at one end of the frame 20 around a web 29 formed there, the other part 28 is looped through the frame 20 and around the crossbar 24 on the bracket 21 in the manner shown. On the two flanks of the bracket 21 there is a bulge 25 in the form of an elongated knob 25. A further knob 26 is located on the inside of the flanks of the frame 20.
  • bracket 21 If the bracket 21 is pivoted downwards from the position shown, it acts as a lever in relation to the tensioning force deployed in the process.
  • the long knobs 25 are finally pressed over the knobs 26 and then engage behind them, as a result of which the tensioning buckle 17 is secured in the tensioned position.
  • FIG. 3 shows the swimming pool cover according to the invention half rolled up.
  • a cross strut 3 can be seen on the outside of the roller 30.
  • These cross struts 3 consist of aluminum tubes 31 of approximately 40 mm in diameter, from the edge region of which in the axial direction a chrome steel round rod 32 of significantly smaller diameter than the aluminum tube 31 protrudes.
  • These chrome steel round rods 32 are inserted into pockets 34 which can be seen here and which are welded onto the lower edge region 33 of the cover.
  • FIG. 4 shows a detailed view of such a cross strut 3 on a rolled cover.
  • the film 2 of the cover 1 is only shown in dashed lines, because the main thing is to show the design of the cross strut 3, which is located under the film 2 and carries it.
  • the cross strut 3 consists of an aluminum tube 31 with a special cross section. In the longitudinal direction of the tube 31, a round groove 35 with an inner diameter of approximately 10 mm is in fact recessed on the outside thereof. A chrome steel round rod 32 of the same diameter is inserted into this round groove 35 on both end sides of the tube 31. The chrome steel round rod 32 projects beyond the aluminum tube 31 on both sides by approximately 150 mm and is inserted into the round groove 35 by approximately the same amount.
  • the two round bars 32 rest on the edge of the swimming pool 10 and are, however, with a diameter of only about 10 mm strong enough to bear the weight of the aluminum tube 31 and the film 2 lying thereon. So that the round rods 32 cannot jump out of the round grooves 35 under heavy load, a securing collar 37 is placed over the aluminum tube 31, which prevents the round groove 35 from expanding under load.
  • a securing collar 37 is placed over the aluminum tube 31, which prevents the round groove 35 from expanding under load.
  • the pockets 34 are also indicated, which are welded onto the underside of the covering film 2 and into which the round rods 32 are inserted.
  • the mass of the aluminum tubes 31 and the round rods 32 are held such that the aluminum tubes 31 are left a few centimeters between their ends and the edge of the swimming pool 10, so that these ends do not touch this edge 10 when they are rolled up and down.
  • plastic caps 36 are placed over the ends of the aluminum tubes 31, which have a corresponding hole for receiving the round rods 32.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Tents Or Canopies (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Bathtub Accessories (AREA)

Abstract

The swimming-pool cover (1) consists of a textile-reinforced plastic film (2) with cross-struts (3) and tubes (5, 6) inserted, at the ends of its broadsides, in welts (4) present there. The edge 7 of the swimming pool is indicated by broken lines. The cross-struts (3) are arranged underneath the swimming-pool cover (1) so that they carry the swimming-pool cover (1). The cover (1) is slightly wider than the length of the cross-struts (3) so that the regions (8) along the longitudinal edges (9) are able to lie snugly on the edge (10) of the swimming pool. The edge regions (8) along the longitudinal edges (9) can be tensioned by means of tensioning straps (13), each of which comprises a tensioning buckle (17) by means of which the tensioning straps (13) can be tensioned using leverage. <IMAGE>

Description

Die vorliegende Erfindung betrifft eine Schwimmbadabdeckung, insbesondere für im Freien angelegte Schwimmbecken. Solche Abdeckungen bestehen aus einer textilverstärkten Kunststoff-Folie und sind auf ein Rohr aufrollbar, welches über die Längsränder des Beckens auf- und abrollbar ist, indem es mit seinen Enden auf den Längsrändern des Schwimmbeckens aufliegt. Wenn das Schwimmbecken freigelegt ist, liegt dieses Rohr mitsamt der auf ihm aufgerollten Kunststoff-Folie auf dem Rand am einen Längsende des Schwimmbeckens. Zum Zudecken des Beckens muss das Rohr mit seinen beiden Endbereichen über den Schwimmbeckenrand abgerollt werden, wobei die Kunststoff-Folie über das Schwimmbecken abgerollt wird und liegenbleibt. Die Folie ist mit Querstreben verstärkt, sodass sie dort, wo sie sich frei über das Wasser erstreckt, nicht durchhängt. Diese Querstreben können auf der Ober- oder Unterseite der Abdeckung angeordnet sein. Das Ab- und Aufrollen kann bei kleineren Abdeckungen von Hand mittels einer Kurbel, ähnlich einer Storenkurbel, vonstatten gehen. Bei grösseren Abdeckungen mit entsprechend hohem Gewicht wird vorteilhaft ein Elektromotor eingesetzt. Dieser Elektromotor kann in dem zu rollenden Rohr nach Art eines Storenmotors angeordnet sein oder ist am Ende einer wegnehmbaren Bedienerstange montiert und kann mit seiner Abtriebswelle am Rohrende angeflanscht werden. Auf Knopfdruck an der Bedienerstange dreht der Motor wahlweise in beiden Richtungen und das Rohr wird entsprechend gedreht und rollt auf dem Boden ab. Die Kunststoff-Folie wird dabei auf- oder eben abgerollt. Um die für das Auf- und Abrollen erforderlichen Drehmomente gering zu halten, wird angestrebt, die Durchmesser der Querstreben möglichst gering zu halten, damit diese auf der Rolle nicht über Gebühr auftragen. Aus dem gleichen Grund ist es auch vorteilhaft, wenn die Querstreben auch auf dem Beckenrand möglichst wenig auftragen. Darüberhinaus trägt es auch zum ästhetischen Erscheinungsgbild der Abdeckung bei, wenn diese möglichst flach auf dem Beckenrand aufliegt. Die über das Schwimmbecken ausgerollte Abdeckung muss schliesslich gesichert werden, damit sie auch bei starken Windeinflüssen satt liegenbleibt. Sobald sie nämlich nicht satt festgezurrt ist, kann sie unter Windeinfluss lästige Flattergeräusche verursachen oder bei Sturmwinden gar weggeweht werden. Ausserdem muss sichergestellt werden, dass eine aus Unachtsamkeit auf die Abdeckung tretende Person sicher von ihr getragen wird. Hierzu wird sie herkömmlich in Längsrichtung mit Gurten und in Querrichtung mit Gummistrippen gespannt. An beiden Endseiten der Abdeckung sind Kedersäume vorhanden, in denen einerseits das zu rollende Rohr und andererseits das auf der anderen Seite liegende stationäre Rohr eingeschoben sind. Diese beiden Rohre werden bei der ausgerollten Abdeckung mittels wenigstens drei Gurten voneinander weg verspannt. Hierzu werden die Rohre selbst von Spanngurten umschlossen. Am Boden, etwas vom Schwimmbeckenrand entfernt, sind die zugehörigen Teile der Gurten am Boden befestigt, indem dort ein Loch gebohrt ist, in welches ein Stift, der oben zu einer Rechteckschlaufe gebogen ist, leicht vom Becken weggeneigt eingesteckt ist. In der Schlaufe wird das Gurtende befestigt, welches auf der anderen Seite eine Schnalle mit einer Rätsche trägt. Der am rollbaren Rohr befestigte Teil der Gurten wird zum Festzurren durch die entsprechende Rätschen-Schnalle geführt und hernach festgezogen. Die Spannkraft wirkt sodann auf das rollbare Rohr und schliesslich über jenes auf die ganze Breite der Abdeckung. An den Querseiten wird die Abdeckung gesichert, indem meist zwischen den Querstreben im Randbereich je ein verstärktes Loch vorhanden ist, durch welches ein Knebel steckbar ist, an dem eine Gummistrippen befestigt ist. Die Gummistrippe wird sodann um den Kopf eines entsprechend im Beckenrandbereich eingesetzten, versenkbaren Flachkopf-Stiftes gespannt. Ist nun ein Becken zum Beispiel 7 Meter lang, so müssen insgesamt über ein Dutzend solcher Gummistrippen gespannt werden. Diese Gummistrippen müssen vor jedem Aufrollen gänzlich von der Folie entfernt werden, da sie sonst den Aufrollvorgang stören würden und die Folie verletzt werden könnte. Nach dem Abrollen müssen sie wiederum in die besagten Löcher verschlauft und an den Stiften festgemacht werden. Dieses aufwendige Freimachen der Abdeckung zum Aufrollen und nach dem Abrollen wiederum Festzurren ist recht umständlich. Zudem stören die vielen Gummistrippen das Erscheinungsbild und in montiertem Zustand bilden die Flachkopf-Stifte für Personen, die barfuss entlang des Schwimmbeckenrandes gehen, eine Verletzungsgefahr.The present invention relates to a swimming pool cover, in particular for outdoor swimming pools. Such covers consist of a textile-reinforced plastic film and can be rolled up onto a tube which can be rolled up and down over the longitudinal edges of the pool by its ends resting on the longitudinal edges of the swimming pool. When the swimming pool is exposed, this pipe, along with the plastic film rolled up on it, lies on the edge at one longitudinal end of the swimming pool. To cover the pool, the pipe with its two end areas must be rolled over the edge of the pool, the plastic film being rolled over the pool and remaining there. The film is reinforced with cross struts so that it does not sag where it extends freely over the water. These cross struts can be arranged on the top or bottom of the cover. In the case of smaller covers, unrolling and unrolling can be carried out by hand using a crank, similar to a store crank. With larger covers an electric motor with a correspondingly high weight is advantageously used. This electric motor can be arranged in the tube to be rolled in the manner of a blind motor or is mounted at the end of a removable operator rod and can be flanged to the end of the tube with its output shaft. At the push of a button on the operator pole, the motor rotates in either direction and the pipe is rotated accordingly and rolls on the floor. The plastic film is rolled up or down. In order to keep the torques required for rolling up and down low, the aim is to keep the diameters of the cross struts as small as possible so that they do not overly apply to the roll. For the same reason, it is also advantageous if the cross struts also apply as little as possible to the edge of the pool. In addition, it also contributes to the aesthetic appearance of the cover when it lies as flat as possible on the edge of the pool. Finally, the cover rolled out over the swimming pool must be secured so that it stays in place even in strong winds. As soon as it is not lashed down tightly, it can cause annoying fluttering noises under the influence of wind or even be blown away in storm winds. In addition, it must be ensured that a person stepping on the cover due to carelessness is carried safely by it. For this purpose, it is tensioned in the longitudinal direction with belts and in the transverse direction with rubber straps. Piping seams are present on both end sides of the cover, in which on the one hand the tube to be rolled and on the other hand the one on the other side stationary tube are inserted. When the cover is rolled out, these two tubes are braced away from one another by means of at least three belts. For this purpose, the pipes themselves are enclosed by tension belts. On the floor, somewhat away from the edge of the swimming pool, the associated parts of the straps are attached to the floor by drilling a hole in which a pin, which is bent at the top to form a rectangular loop, is inserted slightly tilted away from the pool. The strap end is fastened in the loop, which carries a buckle with a riddle on the other side. The part of the straps attached to the rollable tube is led through the corresponding riddles buckle for lashing and then tightened. The clamping force then acts on the rollable tube and finally over the entire width of the cover. The cover is secured on the transverse sides by usually having a reinforced hole between the cross struts in the edge area, through which a gag can be inserted, to which a rubber strip is attached. The rubber strip is then stretched around the head of a retractable flat-head pin which is used in the pool edge area. If a pool is now 7 meters long, for example, a total of over a dozen such rubber straps must be stretched. These rubber strips must be completely removed from the film before each roll-up, otherwise they would interfere with the roll-up process and the film could be injured. After unrolling, they have to be looped into the holes and attached to the pins. This elaborate clearing of the cover for rolling up and after the lashing in turn is quite cumbersome. In addition, the many rubber stripes disrupt the appearance and when assembled, the flat-headed pins create a risk of injury for people walking barefoot along the edge of the pool.

Es ist deshalb die Aufgabe der vorliegenden Erfindung, eine Schwimmbadabdeckung zu schaffen, welche die obenerwähnten Nachteile überwindet. Im besonderen ist es die Aufgabe der Erfindung, eine solche Schwimmbadabdeckung zu schaffen, die für das Sichern und Entsichern weniger Arbeitsaufwand erfordert und die im abgerollten Zustand optisch aufgeräumter wirkt und trotzdem hinreichend gesichert ist.It is therefore the object of the present invention to provide a swimming pool cover which overcomes the disadvantages mentioned above. In particular, it is the object of the invention to provide such a swimming pool cover which requires less work for securing and releasing and which looks more tidy in the unrolled state and is nevertheless adequately secured.

Diese Aufgabe wird gelöst von einer Schwimmbadabdeckung, die sich dadurch auszeichnet, dass sie zum Sichern der Längsränder ausschliesslich Mittel aufweist, mittels derer sie in Gebrauchslage längs ihrer beiden Längsränder in unmittelbarer Bodennähe spannbar ist, derart, dass die Randbereiche längs der Längsränder überall satt auf dem Schwimmbeckenrand aufliegen.This object is achieved by a swimming pool cover, which is characterized in that it has only means for securing the longitudinal edges, by means of which it can be stretched along its two longitudinal edges in the immediate vicinity of the ground in the use position, in such a way that the edge regions along the longitudinal edges are tired everywhere on the Lie on the edge of the pool.

Der Vorteil dieser erfindungsgemässen Schwimmbadabdeckung ist es, dass der Aufwand zum Fest- und Loszurren erheblich reduziert ist. Ausserdem wirkt die Spannkraft unmittelbar in Bodennähe, was bisher nicht der Fall war, wenn die Spanngurten die endseitigen Querrohre umschlossen. Hier griff die Spannkraft im Zentrum der Querrohre an und demnach nicht unmittelbar in Bodennähe. Folglich konnte mit der herkömmlichen Längsverspannung kein sattes Aufliegen der Längsränder der Folie auf dem Schwnimmbecken-Randbereich erzielt werden.The advantage of this swimming pool cover according to the invention is that the effort for lashing down and lashing is considerably reduced. In addition, the tensioning force acts directly near the ground, which has not been the case until now when the tensioning straps enclose the cross tubes at the ends. Here the tension applied in the center of the cross tubes and therefore not immediately near the ground. As a result, with the conventional longitudinal bracing, the longitudinal edges of the film could not lie snugly on the edge of the swimming pool.

Anhand der Zeichnungen wird ein Ausführungsbeispiel der erfindungsgemässen Schwimmbadabdeckung in der nachfolgenden Beschreibung erläutert und ihre Funktion erklärt.An exemplary embodiment of the swimming pool cover according to the invention is explained in the following description with reference to the drawings and its function is explained.

Es zeigt:

  • Figur 1: Die geschlossene Schwimmbadabdeckung in einer perspektivischen Draufsicht;
  • Figur 2: Eine Detailansicht der Spannschnalle;
  • Figur 3: Die Schwimmbadabdeckung in perspektiverscher Draufsicht, teilweise aufgerollt;
  • Figur 4: Eine Detailansicht des Endes einer Querstrebe.
It shows:
  • Figure 1: The closed swimming pool cover in a perspective top view;
  • Figure 2: A detailed view of the tension buckle;
  • Figure 3: The pool cover in perspective top view, partially rolled up;
  • Figure 4: A detailed view of the end of a cross strut.

Figur 1 zeigt die erfindungsgemässe Schwimmbadabdeckung 1 im geschlossenen Zustand in einer perspektivischen Draufsicht. Sie besteht aus einer textilverstärkten Kunststoff-Folie 2 mit Querstreben 3, sowie an den Enden ihrer Breitseiten in dort vorhandene Kedersäume 4 eingesteckten Rohren 5,6. Mit gestrichelten Linien ist der Schwimmbeckenrand 7 angedeutet. Die Querstreben 3 sind unterhalb der Schwimmbadabdeckung 1 angeordnet, sodass sie die Kunststoff-Folie 2 tragen. Durch ihre spezielle, später noch beschriebene Ausführung befinden sich die Querstreben 3 weitgehend unterhalb Oberkante der Ränder 7 des Schwimmbeckens, wodurch die Abdeckung 1 im geschlossenen Zustand besonders flach und annähernd bündig mit dem Schwimmbeckenrand 7 auf diesem aufliegt. Die Abdeckung 1 ist wenig breiter als die Länge der Querstreben 3, sodass die Bereiche 8 längs der Längsränder 9 satt auf dem Rand 10 des Schwimmbeckens aufliegen können. Diese Randbereiche 8 sind verstärkt ausgeführt, indem sie umgeschlagen und die Umschläge verschweisst sind. An den Endseiten der Abdeckung 11,18 sind die Kedersäume 4 zur Aufnahme der Rohre 5,6 von solcher Länge, dass sie die Randbereiche 8 beziehungsweise die Umschläge an den Längsrändern 9 freilassen. Die Enden der Randbereiche 8, beziehungsweise die Umschläge an den Längsrändern 9 der Abdeckung 1, sind mit Metall- oder KunststoffOesen 12 versehen. An diesen Oesen 12 sind die Spanngurten 13 mittels Hacken 14 einhängbar. Die Spanngurten 13 weisen an ihrem anderen Ende ebenfalls eine Oese 15 auf, welche dort an einem versenkbaren Flachkopf-Stift 16 eingehängbar sind. In den Spanngurten 13 ist je eine Spann-Schnalle 17 eingebaut, mittels der die Spanngurte 13 mit Hebelkraft spannbar ist. Die Spanngurten 13 müssen nur auf der einen Seite 11 der Abdeckung 1, nämlich dort, wo sich das aufrollbare Ende befindet, mit Spann-Schnallen 17 versehen sein. Auf der anderen Endseite 18 können die Randbereiche 8 der Längsränder 9 mittels einer Oese stationär an einem versenkbaren Flachkopf-Stift befestigt sein. Im gezeigten geschlossenen Zustand der Abdeckung 1 liegen die Randbereiche 8 allseitig satt auf dem Rand 10 des Schwimmbeckens auf. Die Randbereiche 8 entlang der Längsränder 9 sind dabei unmittelbar am Boden ganz kräftig gespannt. Das Festzurren in Querrichtung mittels Gummistrippen entfällt, wodurch ein sauberer, längs der Längsränder 9 durchgehender Abschluss erzielt wird. Selbst kräftige Winde vermögen die Randbereiche 8 nicht zum Flattern zu bringen. Bei breiten Schwimmbecken kann zusätzlich auch das rollbare Rohr 5 selbst in herkömmlicher Weise gespannt werden, sodass auch der Mittelbereich der Schwimmbadabdeckung gespannt wird und diese über ihre ganze Fläche möglichst gleichmässig gespannt ist. Zum Freilegen des Schwimmbeckens werden die Spann-Schnallen 17 gelöst, wonach die Hacken 14 der Spanngurten 13 von den Oesen 12 ausgehängt werden können und auch die Oesen 15 an den versenkbaren Flachkopf-Stiften 16 ausgehängt werden können. Die Spanngurten 13 können dann beiseite gelegt werden und stören fortan nicht mehr, während die Flachkopfstifte 16 im Boden versenkt werden und nur noch deren flache Köpfe vorstehen. Jetzt kann die Abdeckung 1 zurückgerollt werden, indem in bekannter Weise das Rohr 5 gedreht wird, sei es von Hand mittels einer Storenkurbel oder mittels eines Motors. Das Vorbereiten des Abdeckens erfordert also bloss noch das Lösen von mindestens zwei Spann-Schnallen 17 und das Aushängen der entsprechenden Spanngurten 13. Das umständliche Lösen und Entfernen der vielen Gummistrippen an den Längseiten der Abdeckung entfällt. Andrerseits erfolgt auch das Festzurren nach dem Abrollen der Abdeckung viel einfacher, indem bloss noch die mindestens längs der Randbereiche 8 der Längsränder 9 wirkenden Spanngurten 13 eingehängt und mittels der Spann-Schnallen 17 gespannt zu werden brauchen.Figure 1 shows the swimming pool cover 1 according to the invention in the closed state in a perspective top view. It consists of a textile-reinforced plastic film 2 with cross struts 3, and, at the ends of its broad sides, pipes 5, 6 inserted into the piping seams 4 there. The pool edge 7 is indicated with dashed lines. The cross struts 3 are arranged below the swimming pool cover 1 so that they carry the plastic film 2. By their special, later described version, the cross struts 3 are largely below the upper edge of the edges 7 of the swimming pool, whereby the cover 1 is particularly flat and almost flush with the pool edge 7 in the closed state on this. The cover 1 is a little wider than the length of the cross struts 3, so that the areas 8 along the longitudinal edges 9 can lie snugly on the edge 10 of the swimming pool. These edge areas 8 are reinforced by turning them over and welding the envelopes. On the end sides of the cover 11, 18, the welt seams 4 for receiving the tubes 5, 6 are of such a length that they leave the edge regions 8 or the envelopes at the longitudinal edges 9 free. The ends of the edge areas 8, or the envelopes on the longitudinal edges 9 of the cover 1, are provided with metal or plastic eyelets 12. The tension belts 13 can be hooked onto these eyelets 12 by means of hooks 14. The tension belts 13 also have an eyelet 15 at their other end, which can be hung there on a retractable flat-head pin 16. A tensioning buckle 17 is installed in each of the tensioning straps 13, by means of which the tensioning straps 13 can be tensioned with leverage. The tensioning belts 13 only have to be provided with tensioning buckles 17 on one side 11 of the cover 1, namely where the rollable end is located. On the other end side 18, the edge regions 8 of the longitudinal edges 9 can be fixed in place on a retractable flat-head pin by means of an eyelet. In the closed state of the cover 1 shown, the edge regions 8 lie on all sides Edge 10 of the pool. The edge areas 8 along the longitudinal edges 9 are very strongly stretched directly on the floor. The lashing in the transverse direction by means of rubber stripes is eliminated, as a result of which a clean, continuous along the longitudinal edges 9 is achieved. Even strong winds cannot cause the edge areas 8 to flutter. In the case of wide swimming pools, the rollable tube 5 itself can also be tensioned in a conventional manner, so that the middle region of the swimming pool cover is tensioned and this is tensioned as evenly as possible over its entire surface. To expose the swimming pool, the tensioning buckles 17 are released, after which the hooks 14 of the tensioning belts 13 can be detached from the eyelets 12 and the eyelets 15 can also be detached from the retractable flat-head pins 16. The tensioning belts 13 can then be put aside and no longer interfere, while the flat-headed pins 16 are sunk into the ground and only their flat heads protrude. Now the cover 1 can be rolled back by rotating the tube 5 in a known manner, either by hand using a crank handle or using a motor. The preparation of the cover therefore only requires the loosening of at least two tensioning buckles 17 and the removal of the corresponding tensioning belts 13. The laborious loosening and removal of the many rubber stripes on the long sides of the cover is eliminated. On the other hand, lashing down is much easier after the cover has been unrolled by merely hooking in the tensioning belts 13 which act at least along the edge regions 8 of the longitudinal edges 9 and need to be tensioned by means of the tensioning buckles 17.

Figur 2 zeigt ein Beispiel einer Spann-Schnalle 17, die ein Spannen mittels Hebelwirkung ermöglicht. Sie weist einen im Querschnitt U-förmigen Rahmen 20 auf, in dem ein als Hebel ausgebildeter Bügel 21 schwenkbar gelagert ist. Der Rahmen hat in seinem Boden Aussparungen 22,23 und der Bügel 21 weist an seinem Endbereich einen Quersteg 24 auf. Der eine Teil 27 der Spanngurte 13 ist am einen Ende des Rahmens 20 um einen dort gebildeten Steg 29 befestigt, der andere Teil 28 ist in der gezeigten Art durch den Rahmen 20 und um den Quersteg 24 am Bügel 21 geschlauft. Auf den beiden Flanken des Bügels 21 ist je eine Ausbuchtung 25 in Form einer langezogenen Noppe 25 vorhanden. Je eine weitere Noppe 26 befindet sich auf der Innenseite der Flanken des Rahmens 20. Wird der Bügel 21 von der dargestellten Position nach unten geschwenkt, so wirkt er in bezug auf die dabei entfaltete Spannkraft als Hebel. Die Lang-Noppen 25 werden schliesslich über die Noppen 26 gedrückt und hintergreifen diese sodann, wodurch die Spann-Schnalle 17 in Spannlage gesichert ist.FIG. 2 shows an example of a tensioning buckle 17 which enables tensioning by means of leverage. It has a frame 20 with a U-shaped cross section, in which a bracket 21 designed as a lever is pivotably mounted. The frame has cutouts 22, 23 in its base and the bracket 21 has a crosspiece 24 at its end region. One part 27 of the tensioning straps 13 is fastened at one end of the frame 20 around a web 29 formed there, the other part 28 is looped through the frame 20 and around the crossbar 24 on the bracket 21 in the manner shown. On the two flanks of the bracket 21 there is a bulge 25 in the form of an elongated knob 25. A further knob 26 is located on the inside of the flanks of the frame 20. If the bracket 21 is pivoted downwards from the position shown, it acts as a lever in relation to the tensioning force deployed in the process. The long knobs 25 are finally pressed over the knobs 26 and then engage behind them, as a result of which the tensioning buckle 17 is secured in the tensioned position.

Figur 3 zeigt die erfindungsgemässe Schwimmbadabdeckung halb aufgerollt. Auf der Aussenseite der Rolle 30 ist eine Querstrebe 3 einsehbar. Diese Querstreben 3 bestehen aus Aluminium-Rohren 31 von etwa 40 mm Durchmesser, aus deren Randbereich in axialer Richtung auf beiden ein Chromstahl-Rundstab 32 bedeutend kleineren Durchmessers als des Alumniumrohrs 31 ragt. Diese Chromstahl-Rundstäbe 32 sind in hier einsehbare, auf den unteren Randbereich 33 der Abdeckung aufgeschweisste Taschen 34 eingesteckt. Auf der bereits geöffneten Seite des Beckens bleiben nur noch die flachen Köpfe der nun versenkten Flachkopf-Stifte 16 einsehbar.FIG. 3 shows the swimming pool cover according to the invention half rolled up. A cross strut 3 can be seen on the outside of the roller 30. These cross struts 3 consist of aluminum tubes 31 of approximately 40 mm in diameter, from the edge region of which in the axial direction a chrome steel round rod 32 of significantly smaller diameter than the aluminum tube 31 protrudes. These chrome steel round rods 32 are inserted into pockets 34 which can be seen here and which are welded onto the lower edge region 33 of the cover. On the already opened side of the basin, only the flat heads of the now recessed flat head pins 16 remain visible.

Figur 4 zeigt eine Detailansicht einer solchen Querstrebe 3 an einer abgerollten Abdeckung. Die Folie 2 der Abdeckung 1 ist bloss gestrichelt eingezeichnet, denn zur Hauptsache soll hier die Ausführung der Querstrebe 3 gezeigt werden, die ja unter der Folie 2 liegt und diese trägt. Die Querstrebe 3 besteht aus einem Aluminium-Rohr 31 mit einem speziellen Querschnitt. In Längsrichtung des Rohres 31 ist nämlich auf dessen Aussenseite eine Rundnut 35 mit einem Innendurchmesser von etwa 10 mm eingelassen. In diese Rundnut 35 ist auf beiden Endseiten des Rohres 31 ein Chromstahl-Rundstab 32 des gleichen Durchmessers eingesteckt. Der Chromstahl-Rundstab 32 überragt das Aluminium-Rohr 31 beidseits um etwa 150 mm und ist um etwa das gleiche Mass in dessen Rundnut 35 hineingesteckt. Die beiden Rundstäbe 32 liegen auf dem Schwimmbeckenrand 10 auf und sind indessen mit ihrem Durchmesser von bloss etwa 10 mm stark genug, um das Gewicht des Aluminiumrohres 31 und der darauf liegenden Folie 2 zu tragen. Damit die Rundstäbe 32 bei starker Belastung nicht aus den Rundnuten 35 springen können, ist eine Sicherungsmanschette 37 über das Aluminium-Rohr 31 gestülpt, welche eine Dehnung der Rundnut 35 unter Belastung verhindert. Mittels der Auflage der Querstreben 3 auf bloss den bedeutend dünneren, jedoch stark ausgeführten Rundstäben 32 wird erreicht, dass die Abdeckung auf dem Schwimmbeckenrand 10 viel weniger aufträgt als dies der Fall wäre, wenn die Aluminiumrohre 31 mit ihrem vollen Durchmesser von etwa 40 mm auf dem Beckenrand 10 aufliegen würden. Dieser geringe Auftrag ist ebenfalls nötig, damit die seitlichen Randbereiche 8 entlang der Längsränder 9 satt auf dem Schwimmbeckenrand 10 aufliegen. Angedeutet sind auch die Taschen 34, die auf der Unterseite der Abdeck-Folie 2 aufgeschweisst sind und in welche die Rundstäbe 32 eingesteckt sind. Die Masse der Aluminiumrohre 31 und der Rundstäbe 32 sind so gehalten, dass die Aluminiumrohre 31 zwischen ihren Enden und dem Schwimmbeckenrand 10 einige Zentimeter freilassen, damit diese Enden beim Auf- und Abrollen diesen Rand 10 nicht berühren. Zum Schutz sind Kunststoff-Kappen 36 über die Enden der Alumnium-Rohre 31 gestülpt, die ein entsprechendes Loch zur Aufnahme der Rundstäbe 32 aufweisen.Figure 4 shows a detailed view of such a cross strut 3 on a rolled cover. The film 2 of the cover 1 is only shown in dashed lines, because the main thing is to show the design of the cross strut 3, which is located under the film 2 and carries it. The cross strut 3 consists of an aluminum tube 31 with a special cross section. In the longitudinal direction of the tube 31, a round groove 35 with an inner diameter of approximately 10 mm is in fact recessed on the outside thereof. A chrome steel round rod 32 of the same diameter is inserted into this round groove 35 on both end sides of the tube 31. The chrome steel round rod 32 projects beyond the aluminum tube 31 on both sides by approximately 150 mm and is inserted into the round groove 35 by approximately the same amount. The two round bars 32 rest on the edge of the swimming pool 10 and are, however, with a diameter of only about 10 mm strong enough to bear the weight of the aluminum tube 31 and the film 2 lying thereon. So that the round rods 32 cannot jump out of the round grooves 35 under heavy load, a securing collar 37 is placed over the aluminum tube 31, which prevents the round groove 35 from expanding under load. By means of the support of the cross struts 3 on only the significantly thinner, but heavily executed Round bars 32 ensure that the cover on the pool edge 10 is applied much less than would be the case if the aluminum tubes 31 with their full diameter of about 40 mm were to rest on the pool edge 10. This small order is also necessary so that the lateral edge regions 8 lie snugly against the swimming pool edge 10 along the longitudinal edges 9. The pockets 34 are also indicated, which are welded onto the underside of the covering film 2 and into which the round rods 32 are inserted. The mass of the aluminum tubes 31 and the round rods 32 are held such that the aluminum tubes 31 are left a few centimeters between their ends and the edge of the swimming pool 10, so that these ends do not touch this edge 10 when they are rolled up and down. For protection, plastic caps 36 are placed over the ends of the aluminum tubes 31, which have a corresponding hole for receiving the round rods 32.

Claims (7)

Schwimmbadabdeckung, dadurch gekennzeichnet, dass sie zum Sichern der Längsränder (9) ausschliesslich Mittel (8,13) aufweist, mittels derer sie in Gebrauchslage längs ihrer beiden Längsränder (9) in unmittelbarer Bodennähe spannbar ist, derart, dass die Randbereiche (8) längs der Längsränder (9) überall satt auf dem Schwimmbeckenrand (10) aufliegen.Swimming pool cover, characterized in that it has only means (8, 13) for securing the longitudinal edges (9), by means of which it can be tensioned along its two longitudinal edges (9) in the immediate vicinity of the ground in the position of use, such that the edge regions (8) are longitudinal the longitudinal edges (9) rest on the pool edge (10). Schwimmbadabdeckung nach Anspruch 1, dadurch gekennzeichnet, dass die Mittel (8,13) zum Spannen der Abdeckung (1) längs ihrer Längsränder (9) Spanngurten (13) einschliessen, die an den Enden der Randbereiche (8) der Längsränder (9) der Abdeckung (1) mittels Hacken (14) befestigbar sind, wobei die Spanngurten (13) wenigstens auf einer Seite der Abdeckung (1) Spann-Schnallen (17) einschliessen, die einen als Hebel wirkenden Spannbügel (21) aufweisen, welcher an der Spann-Schnalle (17) in Spannlage einrastbar ist.Swimming pool cover according to claim 1, characterized in that the means (8, 13) for tensioning the cover (1) along its longitudinal edges (9) include tension belts (13) which at the ends of the edge regions (8) of the longitudinal edges (9) of the Cover (1) can be fastened by means of hooks (14), the tensioning straps (13) including at least on one side of the cover (1) tensioning buckles (17) which have a tensioning bracket (21) acting as a lever, which is attached to the tensioning - Buckle (17) can be locked in the tensioned position. Schwimmbadabdeckung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Querstreben (3) unter der Schwimmbadabdeckung (1) angeordnete Aluminiumrohre (31) sind, in die der Länge nach eine Rundnut (35) eingelassen ist, und dass in diese Rundnut (35) ein Chrom-Rundstahl (32) eingesteckt ist, wobei bloss die Endbereiche der Chrom-Rundstähle (32) zum Aufliegen auf den Schwimmbeckenrändern (10) bestimmt sind.Swimming pool cover according to one of the preceding claims, characterized in that the transverse struts (3) are aluminum tubes (31) arranged under the swimming pool cover (1), into which a round groove extends in length (35) is inserted, and that a round chrome steel (32) is inserted into this round groove (35), only the end areas of the round chrome steels (32) being intended to rest on the pool edges (10). Schwimmbadabdeckung nach Anspruch 3, dadurch gekennzeichnet, dass die Aluminumrohre (31) in ihrem Endbereich zum Zweck der Verhinderung einer Dehnung ihrer Rundnut (35) unter Belastung von einer Sicherungsmanschette (37) umschlossen sind.Swimming pool cover according to claim 3, characterized in that the aluminum tubes (31) are enclosed in their end region for the purpose of preventing an expansion of their round groove (35) under load by a securing collar (37). Schwimmbadabdeckung nach einem der Ansprüche 3 oder 5, dadurch gekennzeichnet, dass sie im Randbereich (33) ihrer Unterseite in einem Abstand von wenigstens der Breite der spannbaren Randbereiche (8) von den Längsrändern (9) Taschen (34) aufweist, in welche die Endbereiche der Chrom-Rundstähle (32) eingesteckt sind.Swimming pool cover according to one of claims 3 or 5, characterized in that it has pockets (34) in the edge region (33) of its underside at a distance of at least the width of the tensionable edge regions (8) from the longitudinal edges (9), into which the end regions the chrome round steels (32) are inserted. Schwimmbadabdeckung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Randbereiche (8) längs der Längsränder (9) verstärkt sind, indem sie durch verschweisste Umschläge gebildet sind.Swimming pool cover according to one of the preceding claims, characterized in that the edge regions (8) along the longitudinal edges (9) are reinforced by being formed by welded envelopes. Schwimmbadabdeckung nach einem der Ansprüche 3 bis 6, dadurch gekennzeichnet, dass die offenen Enden der Aluminium-Rohre (31) mittels über sie gestülpte Schutzkappen (36) verschlossen sind.Swimming pool cover according to one of claims 3 to 6, characterized in that the open ends of the aluminum tubes (31) are closed by means of protective caps (36) placed over them.
EP91810538A 1990-07-06 1991-07-08 Swimming-pool cover Expired - Lifetime EP0465430B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2271/90 1990-07-06
CH2271/90A CH681165A5 (en) 1990-07-06 1990-07-06

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EP0465430A1 true EP0465430A1 (en) 1992-01-08
EP0465430B1 EP0465430B1 (en) 1995-02-15

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EP91810538A Expired - Lifetime EP0465430B1 (en) 1990-07-06 1991-07-08 Swimming-pool cover

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EP (1) EP0465430B1 (en)
AT (1) ATE118585T1 (en)
CH (1) CH681165A5 (en)
DE (1) DE59104578D1 (en)
ES (1) ES2069870T3 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2690943A1 (en) * 1992-05-11 1993-11-12 Walter Ets Lucien Roll-up device for covering a tank and in particular a swimming pool.
FR2783006A1 (en) 1998-09-04 2000-03-10 Bouvier Alain MIXED ISOTHERMAL AND SAFETY ROLL-UP COVER FOR POOLS
FR2840937A1 (en) 2002-06-14 2003-12-19 Alain Bouvier Cover for protecting swimming pool from exterior pollution and for providing protection against persons accidentally falling into pool has protection structure including opaque screen and filter plate
EP1564347A1 (en) * 2004-02-13 2005-08-17 Procopi Swimming pool cover with tension cables
FR2879640A1 (en) 2004-12-22 2006-06-23 Alain Bouvier Swimming pool cover e.g. winter cover and summer cover, for e.g. protecting water in pool tank, has screen comprising grid filters for filtering impurities in rain water and fixation unit for fixing screen on periphery of floating structure
FR2880374A1 (en) 2005-01-03 2006-07-07 Alain Bouvier Basin/swimming pool cover for e.g. protecting pool water, has floating structure associated below covering structure in permanent/removable manner, where former structure is placed above water surface when latter structure is fixed on decks
FR3034122A1 (en) * 2015-03-27 2016-09-30 Diffusion Equipements Loisirs PROTECTIVE DEVICE FOR THE BASIN OF A SWIMMING POOL
CN113227517A (en) * 2018-12-19 2021-08-06 贝克弗莱克斯公司 Inflatable surface covering device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2116671A1 (en) 2008-05-06 2009-11-11 Bieri Alpha Covers AG support beam for a swimming pool cover
EP2374964A1 (en) 2010-04-09 2011-10-12 Bieri Alpha Covers AG Strut for a swimming pool cover

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2958872A (en) * 1958-03-31 1960-11-08 Jr Fred J Meyer Swimming pool cover
US3148384A (en) * 1961-05-15 1964-09-15 Bart Entpr Inc Structure for covering a swimming pool
FR2637643A1 (en) * 1988-10-11 1990-04-13 Glatz Ag ROLLING DEVICE FOR RECOVERING A RESERVOIR, ESPECIALLY A SWIMMING POOL

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2958872A (en) * 1958-03-31 1960-11-08 Jr Fred J Meyer Swimming pool cover
US3148384A (en) * 1961-05-15 1964-09-15 Bart Entpr Inc Structure for covering a swimming pool
FR2637643A1 (en) * 1988-10-11 1990-04-13 Glatz Ag ROLLING DEVICE FOR RECOVERING A RESERVOIR, ESPECIALLY A SWIMMING POOL

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2690943A1 (en) * 1992-05-11 1993-11-12 Walter Ets Lucien Roll-up device for covering a tank and in particular a swimming pool.
EP0570311A1 (en) * 1992-05-11 1993-11-18 Etablissements Lucien WALTER Société Anonyme dite, Swimming-pool cover
FR2783006A1 (en) 1998-09-04 2000-03-10 Bouvier Alain MIXED ISOTHERMAL AND SAFETY ROLL-UP COVER FOR POOLS
FR2840937A1 (en) 2002-06-14 2003-12-19 Alain Bouvier Cover for protecting swimming pool from exterior pollution and for providing protection against persons accidentally falling into pool has protection structure including opaque screen and filter plate
EP1564347A1 (en) * 2004-02-13 2005-08-17 Procopi Swimming pool cover with tension cables
FR2866382A1 (en) * 2004-02-13 2005-08-19 Procopi COVER FOR A BASIN SUCH AS A SWIMMING POOL, EQUIPPED WITH POWER ON CABLES.
FR2879640A1 (en) 2004-12-22 2006-06-23 Alain Bouvier Swimming pool cover e.g. winter cover and summer cover, for e.g. protecting water in pool tank, has screen comprising grid filters for filtering impurities in rain water and fixation unit for fixing screen on periphery of floating structure
EP1674640A2 (en) 2004-12-22 2006-06-28 Bouvier Protecting screen for a floating cover
FR2880374A1 (en) 2005-01-03 2006-07-07 Alain Bouvier Basin/swimming pool cover for e.g. protecting pool water, has floating structure associated below covering structure in permanent/removable manner, where former structure is placed above water surface when latter structure is fixed on decks
FR3034122A1 (en) * 2015-03-27 2016-09-30 Diffusion Equipements Loisirs PROTECTIVE DEVICE FOR THE BASIN OF A SWIMMING POOL
CN113227517A (en) * 2018-12-19 2021-08-06 贝克弗莱克斯公司 Inflatable surface covering device

Also Published As

Publication number Publication date
ATE118585T1 (en) 1995-03-15
CH681165A5 (en) 1993-01-29
EP0465430B1 (en) 1995-02-15
DE59104578D1 (en) 1995-03-23
ES2069870T3 (en) 1995-05-16

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