Partition curtain for sports halls for example

Abstract

The invention relates to a partition curtain (1) for, for example, sports halls (H), multi-purpose halls, event and exhibition halls, industrial halls or auditoriums, wherein the partition curtain (1) has two outer surfaces, each formed by a curtain panel (2, 3), wherein the curtain panels (2, 3) can be gathered from a lowered state to a raised state, and a curtain panel (2, 3) having a vertical height is composed of several panel sections (8, 9) extending substantially horizontally in the lowered state, wherein one or more panel sections (8) made of sound-insulating material and one or more panel sections (8) made of sound-absorbing material are arranged over the vertical height (c) of each of the curtain panels (2, 3).To advantageously design a partition curtain (1) with regard to sound insulation and sound absorption, it is proposed that the combined vertical heights (b) of the sections (8) of sound-absorbing material of both curtain panels (2, 3) exceed the vertical height (c) of the partition curtain (1) in the lowered state due to an overlapping arrangement of the sections (8) of sound-absorbing material and the formation of a sound-insulating area in an overlap area of ​​the sections (8) of sound-absorbing material given thereby.

Description

field of technology

[0001] The invention relates to a partition curtain for, for example, sports halls, multi-purpose halls, event and exhibition halls, industrial halls or auditoriums, wherein the partition curtain has two outer surfaces, each formed by a curtain panel, wherein the curtain panels can be gathered from a lowered state to a raised state, and a curtain panel having a vertical height is composed of several panel sections extending substantially horizontally in the lowered state, wherein one or more panel sections made of sound-insulating material and one or more panel sections made of sound-absorbing material are arranged over the vertical height of each of the curtain panels. State of the art

[0002] Dividing curtains of the type in question are known in various embodiments and for various applications. These serve, for example, to divide large spaces, such as so-called triple gymnasiums, into several smaller areas, for example, two or three. Known dividing curtains, including those according to the invention, can consist of at least two curtain panels spaced horizontally apart from each other when lowered, with facing inner surfaces and opposing outer surfaces. The curtain panels can be suspended from a curtain support device, which may have one or more winding shafts.

[0003] For physical education classes in schools, as well as for training sessions of sports clubs using the gymnasiums, good speech intelligibility in the section of the hall separated by dividing curtains is essential and indispensable. DIN 18032 – Halls for gymnastics, games and multi-purpose use – therefore stipulates that dividing curtains must contribute to sound absorption in the hall sections. The same DIN standard specifies a sound insulation value of 22 dB(A) for dividing curtains. However, in addition to sound insulation between the sections separated by dividing curtains, the acoustic conditions in a gymnasium are also significantly influenced by the reverberation time and the echo effect within each of the separated sections.

[0004] There is therefore a need to specify partition curtains that can achieve both the required sound insulation values ​​and sufficient sound absorption to reduce reverberation times.

[0005] For example, partition curtains of the type in question are known from EP 1 174 063 B1, with wall surfaces made of fleece-coated covering material, with which a sound absorption coefficient of approximately 0.15 can be achieved. Such partition curtains meet the requirements of DIN 18032 Part 4 for sound absorption; however, the achievable absorption value is not always suitable to ensure the reverberation times according to DIN 18041 in sports halls.

[0006] Double-layered partition curtains are also known, with or without an additional sound-absorbing textile insert, in which one wall surface consists of sound-absorbing material and the opposite surface of perforated material. By using a sufficiently heavy covering material for the sound-absorbing wall surface, the 22 dB(A) required by DIN 18032 Part 4 can be achieved. On the side with the perforated wall surface, the sound absorption values ​​are sometimes very good and correspond to those of partition curtains with perforations on both sides. The disadvantage of this design is that the side of the partition curtain with the sound-absorbing wall surface is not sound-absorbing, with corresponding adverse effects on the reverberation time in the corresponding hall area.

[0007] EP 3 225 774 A1 and EP 2 947 256 B1 refer to three- and four-layer partition curtains, respectively, in which one or two inner wall surfaces ensure sound insulation of 22 dB(A) or higher, while two outer perforated wall surfaces, made of, for example, fleece-coated fabric, simultaneously provide sound absorption of 0.5 and higher. Reverberation times according to DIN 18041 can be achieved with this design. However, this design has the disadvantage of being more expensive and technically more complex to manufacture than conventional partition curtains, and requires greater installation widths in the hall ceiling area for a minimum width of 0.40 m. Replacing partition curtains in existing halls is often a very costly and complex process.

[0008] From EP 3 372 743 A1, a dividing curtain is known in which a pair of opposing fabric sections each have the same specific acoustic properties. From EP 3 416 161 A1, a dividing curtain is known in which fabric sections that are predominantly sound-absorbing are opposite a fabric section that is predominantly sound-insulating. The total length of the insulating material and the sound-absorbing material is the same over the vertical height.

[0009] From EP 3 739 161 A1 a partition curtain is known in which the sound-insulating sections of the partition curtain are connected to the sound-insulating sections of the partition curtain on the other side by means of only one sound-insulating bridging strip, with a total area of ​​sound-insulating material larger than that of sound-absorbing material. Summary of the invention

[0010] Based on a prior art according to EP 3 739 161 A1, the invention aims to provide a partition curtain of the aforementioned type which is advantageously designed taking into account the aforementioned requirements regarding sound insulation and sound absorption.

[0011] This problem is solved in the subject matter of claim 1, wherein the combined heights of the track sections made of sound-absorbing material of both curtain tracks exceed the vertical height of the separation priority in the lowered state due to an overlapping arrangement of track sections made of sound-absorbing material, resulting in an overlap area, and wherein a sound-insulating area is formed in the overlap area.

[0012] The partition curtain is designed with a large surface area of ​​sound-absorbing material. The required acoustic values, particularly the sound insulation and reverberation time, can be easily achieved. The sound-absorbing zone extends vertically behind each sound-absorbing section of the curtain and across the width between them. A sound-absorbing zone can also be provided that extends vertically, at least essentially, free from and unconnected to the sound-absorbing sections, within a horizontal space between them.

[0013] The sound-absorbing material can extend, particularly when the dividing curtain is lowered, essentially alternating across both curtain panels, optionally crossing the gap between the curtain panels by forming a bridging strip of sound-absorbing material, as described in more detail below. This can result in a continuous, preferably uninterrupted, layer of sound-absorbing material, the continuity of which can be defined by projecting the sections of both curtain panels made of sound-absorbing material, and optionally the aforementioned area or the bridging strip(s), horizontally onto a common vertical plane.When a bridging strip is arranged, such continuity can also result with respect to a vertical projection of these sound-insulating material sections into a horizontal plane.

[0014] Each curtain panel is composed of several horizontally extending sections arranged one above the other, which, viewed vertically, can have a width of approximately 0.5 to 1.5 m. In the lowered state, a curtain panel can have two sections made of sound-insulating and sound-absorbing material, relative to two adjacent curtain panels. Thus, according to a preferred embodiment, all sections of a curtain panel made of sound-insulating material can be arranged directly adjacent to one another in the vertical direction, just as the sections made of sound-absorbing material can be arranged directly one behind the other in the vertical direction.

[0015] In a curtain consisting of an even number of sections, an unequal number of sections made of sound-insulating and sound-absorbing material may be provided, resulting in an overall distribution with a larger proportion of sound-absorbing than sound-insulating sections per curtain.

[0016] At the junctions of the railway sections, where the sound-absorbing railway sections alternate with the sound-insulating railway sections, the area of ​​sound-insulating material between two opposing railway sections consisting of sound-absorbing material, in the space provided by this, may be present.

[0017] In particular, the area of ​​sound-insulating material that runs vertically between two sections of sound-absorbing material, or possibly the bridging strip, can consist of a comparatively stiff material, such as a PVC membrane.

[0018] This allows for the creation of a sound-insulating, continuous wall surface with high sound absorption capacity. The alternating extension across both wall surfaces also applies to the sound-absorbing halves of the partition curtain, but without a sound-absorbing connection, such as a bridging strip, across the width or depth of the partition curtain.

[0019] In both curtain panels with an odd number of sections and those with an even number of sections, an overlapping arrangement of the sound-absorbing material sections can be achieved. In these cases, the sound-absorbing area of ​​each curtain panel on a wall surface can have one or more sections larger than the sound-insulating area. However, the size of the sound-absorbing area can vary depending on the surface area. The larger area, consisting of sound-absorbing sections, is preferably used when installing two dividing curtains to separate the central hall area from the dividing curtains on two sides.

[0020] The stated values ​​for sound insulation and sound absorption can be achieved by overlapping the sound-absorbing areas on each side of the partition curtain.

[0021] According to one possible embodiment, the sound-insulating area can be acoustically connected to a wall section made of sound-absorbing material. This acoustic connection ensures that sound penetrating the sound-absorbing material of a section of the track is also attenuated. For this purpose, an acoustic connection is advantageous at least at a vertically upper and a vertically lower end of the sound-insulating area with the track section(s) made of sound-absorbing material.

[0022] The acoustic connection can be achieved simply by the sound-insulating area being in contact with the track sections made of sound-absorbing material. This contact can be facilitated or supported by an adhesive design, such as a Velcro fastener. Alternatively, a permanent connection, such as by sewing, can be used.

[0023] The acoustic connection provides the desired vertically continuous sound-insulating design, alternating from one side of the partition curtain to the other.

[0024] Furthermore, the sound-insulating area can be designed as a bridging strip made of sound-insulating material. The bridging strip extends from one curtain panel to the other.

[0025] It is further preferred that the bridging strip, in its lowered state, runs at an acute angle to a horizontal in a vertical cross-section through the dividing curtain, where only the thickness of the track sections is visible. This effectively creates another central track section made of sound-absorbing material in the overlap area.

[0026] The bridging strip, when connected to a vertically upper end of the sound-absorbing material section on one side and a vertically lower end of the sound-absorbing material section on the other side, can form a further, middle section which, viewed on its own, has a greater vertical length than the two sound-absorbing material sections between which it extends.

[0027] The bridging strip can, in any case, extend over a substantial area at the aforementioned acute angle when the dividing curtain is lowered. Considering the possible connections with the track sections made of sound-absorbing material, the beginning and end sections of the bridging strip may also deviate from this.

[0028] The bridging strip can be completely unconnected to one of the track sections. It can simply lie against one of the track sections or be attached, for example, by a Velcro fastener, as already mentioned.

[0029] It is further preferably provided that the sections of the dividing curtain as a whole, with the possible exception of an uppermost and a lowermost section on each side, have horizontally opposite connecting seams.

[0030] It is preferably provided that the bridging strip is connected from a first connecting seam between a first and a second wall section on one side of the partition curtain to a third connecting seam between a third and a fourth web section on the other side of the partition curtain, wherein the first and the third connecting seam are offset in the vertical direction to a second connecting seam, which is also located on the side of the third connecting seam, wherein, further preferably, and usually, the second connecting seam is opposite the first connecting seam.

[0031] A seam extends essentially horizontally and onto an opposing curtain panel. In the area of ​​the overlapping edge strips, a (vertical) overlap of panel sections may occur. Within such an overlap, the panel sections can be joined, for example, by a seam. A connection can also be made by riveting, welding, or screwing, possibly using a profile, such as to create a keder joint. Connections using zippers or similar devices are also possible.

[0032] Such an overlapping seam can also be present in the case of a connection between adjacent track sections made of sound-insulating and sound-absorbing material, as well as in the case of adjacent track sections which both consist of sound-insulating or sound-absorbing material.

[0033] Furthermore, a bridging strip can, at least at the edges of the lowered dividing curtain, overlap vertically on one or both sides to a connecting seam or to overlapping edge areas of track sections. This vertical overlap ensures the aforementioned continuity of the sound-insulating layer in both horizontal and vertical projections.

[0034] Opposite track sections can be connected by horizontal traction elements.

[0035] The horizontal tensile element can also extend above or below the seam, and is further connected to the edge strips joined together in the area of ​​the seam, for example by sewing, gluing or riveting.

[0036] In a preferred embodiment, the horizontal tensioning element extends, in the lowered state of the dividing curtain, above the overlapping edge strips and the bridging strips below these edge strips, with vertical overlap to the associated edge strips of both curtain panels.

[0037] In a further embodiment, the bridging section can also be formed in one piece, and optionally, preferably, as a single material, with a section of sound-absorbing material from a curtain wall. The section of sound-absorbing material from the curtain wall is extended on the inside of the wall beyond the area of ​​the edge strip used to connect the sections, towards the inside of the opposite curtain wall. This extended section forms the bridging strip, the free end section of which, as described above, can be arranged to overlap the edge strips of two sections of the opposite curtain wall.

[0038] The freely overlapping end section of such a bridging strip, formed as a single unit with a track section, can rest on or beneath the edge strip of the opposite track. In principle, the freely overlapping end section can be aligned with the edge strip of several track elements. This usually requires additional horizontal tensioning devices.

[0039] The hook-and-loop fastener in question can consist of a hook-and-loop area on one of the connecting partners and a loop-and-loop area on the other. Accordingly, at least one end area of ​​the sound-insulating area or the bridging strip can be designed as a hook-and-loop area, and a corresponding surface area of ​​the connecting seam can be designed as a loop-and-hook area.

[0040] In a further development, this free end area can be connected to the edge strips of the opposite curtain panel, for example by sewing.

[0041] Furthermore, vertical traction elements may be provided.

[0042] A vertical tensile element can penetrate the bridging strip. Preferably, an opening is formed in the bridging strip that also allows relative movement between the tensile element and the bridging strip.

[0043] Furthermore, it may be provided that the bridging strip extends from a track section of a first curtain track to a connecting seam between two edge strips of the track sections of the second curtain track, ends on or under the edge strips of the respective curtain track and is connected to the edge strips of the respective curtain track.

[0044] A partition curtain is described, preferably of a double-layered construction, i.e., with two curtain panels, with a width between the curtain panels preferably 200 to 400 mm, more preferably approximately 250 to 300 mm. Such a width essentially corresponds to known designs. At the same time, such a partition curtain fulfills both requirements of DIN 18032 Part 4, namely the requirement for 22 dB(A) sound insulation and the requirement for simultaneous sound absorption.

[0045] A sound absorption coefficient of 0.5 and higher is achievable. Such a sound absorption coefficient has proven effective. With an average sound-absorbing design of the other surrounding surfaces, such as the ceiling, floor, and walls in the hall areas separated by the partition curtain according to the invention, reverberation times of less than 2 seconds are achievable. Brief description of the drawings

[0046] The invention is explained below with reference to the accompanying drawing, which, however, only depicts exemplary embodiments. A part that is explained only in relation to one of the exemplary embodiments and is not replaced by another part in a further exemplary embodiment due to the special feature highlighted therein, is thus also described for this further exemplary embodiment as a possible existing part. The drawing shows: Fig. 1 a schematic, perspective and partially broken-up representation of a dividing curtain; Fig. 2 a schematic floor plan of a triple sports hall that can be divided by means of dividing curtains; Fig. 3 the schematic section along line III-III in Figure 2 , concerning a first embodiment relating to the arrangement of a horizontal tensioning element and a bridging strip between two curtain panels of the partition curtain; Fig. 4 one of the Figure 3corresponding representation, concerning an alternative arrangement of the traction element and the bridging strip; Fig. 5 another of the Figure 3 corresponding illustration, concerning a further embodiment regarding the arrangement of the tensioning element and bridging strip; Fig. 6 in a schematic representation of the partition curtain in a raised state; Fig. 7 the partition curtain in a schematic vertical sectional view, concerning the lowered state of the partition curtain in a first embodiment, with a bridging strip arranged at an angle between the curtain panels; Fig. 8 a representation according to Figure 7 , with a opposite Figure 7 vertically offset arrangement of the bridging strip; Fig. 9 an arrangement according to Figure 7 , with a opposite Figure 7 and Figure 8 vertically offset arrangement of the bridging strip; Fig. 10 an arrangement according to Figure 9, with a reduced number of vertically stacked track sections; Fig. 11 the dividing curtain according to Figure 10 with a vertically offset arrangement of the bridging strip compared to Figure 10; Fig. 12 a partial representation of the bridging strip, with respect to a section with a hook formation on the underside, associated with a connecting seam with loop formation; Fig. 13 representation according to Figure 12 , with a hook formation on the upper side, associated with a connecting seam with loop formation; and Fig. 14 a representation of the end area of ​​the bridging strip alone, with hook formation on both sides. Description of the embodiments

[0047] The presentation and description initially refers to Figure 1 , a dividing curtain 1, such as this one in halls, especially sports halls H (see, for example, the schematic representation in Figure 2) or similar areas. This allows areas such as Hall H (or similar) to be separated, thus largely preventing noise from being transmitted from one side of the hall to the other.

[0048] The partition curtain 1 essentially consists of two curtain panels 2 and 3, which can be described as wall surfaces, wherein the partition curtain 1, when lowered, as is the case, for example, in Figure 1 It is shown to extend essentially vertically.

[0049] The curtain panels 2, 3 can be connected by horizontal tension elements 4 in the form of cross connectors, each attached in the area of ​​the inner surfaces of the curtain panels 2 and 3 (see also the Figures 3 to 5 ).

[0050] What's next in Figure 1As shown schematically, a gathering track 5 can be provided in the area of ​​the end of the partition curtain 1 facing the hall floor when lowered. In a preferred embodiment, such a gathering track 5 extends over the entire longitudinal extent of the partition curtain 1 (correspondingly in the direction of extension perpendicular to the plane of the drawing, for example with respect to the Figures 7 to 11 ) and acts preferentially on the underside of the connection area between the curtain panels 2 and 3.

[0051] The curtain track 5 is attached to one or more vertical drawstrings 6 in the form of a drawstring. In the lowered position, the vertical drawstring(s) 6 pass through the dividing curtain 1 approximately midway between the curtain panels 2 and 3. Furthermore, the vertical drawstring(s) 6 can be attached at their ends, i.e., at the ceiling end, to a winding shaft 7, preferably driven by a motor, particularly an electric motor, or deflected to a winding device in the area of ​​the motor.

[0052] The motorized device allows action to be taken on the connecting elements or tensioning elements, in particular the vertical tensioning element(s) 6. This allows the partition curtain 1 to be pulled upwards under a hall ceiling by gathering the curtain panels 2 and 3 (see figure). Figure 6 ) or from here downwards towards the hall floor.

[0053] Figure 6The diagram, which depicts the compressed state, is a schematic representation. The horizontal and vertical tension members, as well as the bridging strip, have clearly been omitted.

[0054] Curtain panels 2 and 3 are sections 8 and 9 of a curtain panel 2, 3 running perpendicular to the vertical extent and thus in the previously described longitudinal extent of the dividing curtain 1, see Figures 7 to 11 , subdivided. These track sections 8 and 9 are arranged one above the other in each curtain track 2, 3. The vertical height c of a curtain track 2, 3, particularly in the lowered position, is obtained from the sum of the heights b of track sections 8 and 9 of a curtain track 2, 3.

[0055] The curtain sections 8 and 9 of a curtain panel 2 or 3, which extend essentially horizontally when the dividing curtain 1 is lowered and viewed from the broad side surface of a curtain panel 2, 3, can be connected to each other by connecting seams 12, 12a, 12b, 12c formed in the area of ​​overlapping edge strips 10, 11 of curtain sections 8 and 9. The horizontal tensioning elements 4 can then also be attached to curtain sections 8 and 9 in the area of ​​these edge strips 10, 11.

[0056] The fastening of the horizontal tensioning elements 4 to the edge strips 10, 11, preferably in the area of ​​the connecting seams, can be achieved by sewing, gluing, stapling, welding, screwing or riveting.

[0057] In a further embodiment, although not shown, track sections 8 and 9 may also be riveted, screwed, clamped, pressed or glued together, if necessary when profiles or strips are arranged.

[0058] The partition curtain 1, or the curtain panels 2, 3, are preferably attached to a hall ceiling via support structures 13. The horizontal distance between the support structures 13, as considered in the operational state, essentially determines the width a of the partition curtain 1 in the ceiling area, as preferably also the width at the floor-side end of the partition curtain 1, which corresponds essentially to this width a. The width a of the partition curtain 1 can be approximately 0.2 to 0.4 m, and further approximately 0.3 to 0.35 m.

[0059] According to the illustrated embodiments, areas SD with panel sections 8 made of sound-insulating material and areas SB with panel sections 9 made of sound-absorbing material can be arranged along the vertical height c of each curtain panel 2, 3. The sound-insulating material for forming the panel sections 8, in particular, can be, for example, artificial leather, plastic film, non-woven fabric, or even textile fabric. The material for the sound-absorbing panel sections 9 can, preferably, be perforated.

[0060] As can be seen from the illustrations, the curtain panels 2 and 3 can each have a sound-insulating area SD consisting of several superimposed panel sections 8, as well as a continuous sound-absorbing area SB consisting of panel sections 9 arranged directly above one another in the vertical direction.

[0061] When the dividing curtain 1 is lowered, a sound-insulating area SD of one curtain panel 2 or 3 can be opposite a sound-absorbing area SB of the other curtain panel 3 or 2.

[0062] Thus, according to the in Figure 7 In the illustrated embodiment, the curtain panels 2 and 3 are provided with a sound-insulating area SD and a sound-absorbing area SB, respectively, along their vertical extent, in a straight line across a number of panel sections 8 and 9. In the illustrated embodiment, a sound-insulating area SD of a curtain panel 2 or 3 extends, starting from the top, over three panel sections 8, and a sound-absorbing area SB extends over a further three panel sections 9.

[0063] The sound-insulating area SD of the curtain panel 2 is opposite a sound-absorbing area SB of the other curtain panel 3 of the same dividing curtain 1, but this overlaps with the sound-absorbing area SB of the curtain panel 2.

[0064] Between the overlapping track sections 9, which consist of sound-absorbing material, an area, specifically designed here as a bridging strip 14, is arranged, which is shown in the cross-sectional view of the Figures 7-11 extends diagonally to a horizontal HO.

[0065] In the cross-sectional view, the area or bridging strip 14 essentially forms an acute angle α with the horizontal HO.

[0066] The angle α can be between 25 and 80°.

[0067] The area or overlap section 14 can, as in the illustrated embodiments, be connected from a first connecting seam 12a between a first and a second web section 8a, 9a to a third connecting seam 12b, which is vertically offset from a second connecting seam 12c, which is opposite the first connecting seam 12a. In this case, and preferably, the bridging strip 14 is therefore arranged extending between vertically offset connecting seams in the space between the curtain webs 2, 3.

[0068] The bridging strip 14 can also be connected to a horizontal tensioning element 4 at an end area where it is connected by a connecting seam.

[0069] The bridging strip 14 can also be penetrated by a vertical tensile element 6.

[0070] In the embodiment of the Figure 8In a curtain panel where each panel is formed with six sections 8 or 9 arranged one below the other, the bridging strip 14 extends from the lower end of the second panel section 8 (viewed from above), so that on the left side of this dividing curtain 1 in the drawing, a total of four panels made of sound-absorbing material are arranged one below the other, followed by two panels 9 made of sound-insulating material. Opposite this, with the overlap in the area of ​​the bridging strip 14, three panels 9 made of sound-absorbing material are arranged one below the other, followed by three panels 9 made of sound-insulating material.

[0071] In the embodiment of the Figure 9In a system where each curtain panel is also formed with six vertically arranged panel sections 8 or 9, the bridging strip 14 extends from the lower end of the fourth panel section 8 (viewed from above), so that on the left side of this dividing curtain 1 in the drawing, a total of four panel sections made of sound-insulating material are arranged vertically, followed by two panel sections 9 made of sound-absorbing material. Opposite this, with the overlap in the area of ​​the dividing section 14, five panel sections 9 made of sound-absorbing material are arranged vertically, followed by only one panel section 8 made of sound-insulating material.

[0072] In the embodiment of the Figure 10In a curtain panel where each panel is formed with five vertically arranged sections 8 or 9, the bridging strip 14 extends from the lower end of the third panel section 8 (viewed from above), so that on the left side of this dividing curtain 1 in the drawing, there are a total of three panels made of sound-absorbing material. Opposite this, with the overlap in the area of ​​the dividing section 14, there are four panels 9 made of sound-absorbing material, followed by a single panel 9 made of sound-absorbing material.

[0073] In the embodiment of the Figure 11In this arrangement, where each curtain panel is also formed with five vertically arranged panel sections 8 or 9, the bridging strip 14 extends from a lower end of the second panel section 8 (viewed from above), so that on the left side of this dividing curtain 1 in the drawing, there are a total of two panel sections made of sound-insulating material, followed by three panel sections 9 made of sound-absorbing material. Opposite this, with the overlap in the area of ​​the bridging strip 14, there are three panel sections 9 made of sound-absorbing material, followed by two panel sections made of sound-insulating material.

[0074] With reference to the Figures 12 to 14Possible connections of the bridging strip 14, or of the area, with an opposing curtain panel, in particular in the area of ​​a connecting seam, with reference to the connection also indicated as possible by an adhesive connection, in particular a hook and loop connection, are explained in more detail.

[0075] An end area 15 of the area or bridging section 14 can be provided on the underside with a hook formation 16, whereby the connecting seam can be provided on the upper side with a loop formation 17.

[0076] The hook design 16 and / or the loop design 17 can be applied to the respective area of ​​the bridging strip (the area) or the connecting seam by means of a separate layer, in particular a textile layer (plastic designs of this kind are also known and are included in the disclosure). The bridging strip (the area) and / or the connecting seam can also be designed directly in this way (for example, by selecting a suitable textile). In this case, the bridging strip (the area) and / or the web section forming the connecting seam can be designed in this way over its entire vertical length and on one or both sides. This also applies to the further embodiments.

[0077] Furthermore, and this also applies to the other embodiments, the arrangement of the hook formation 16 and the loop formation 17 can also be reversed.

[0078] For all such embodiments, it is also true that the pairing does not have to be strictly differentiated with regard to hooks or loops. There are also hook configurations on both sides that (already) provide the desired adhesion in this context. The same applies to loop configurations.

[0079] In Figure 13 is a comparable design according to Figure 12 reproduced, except that here the respective design with regard to a Velcro connection is formed on the underside of the connecting seam or the top side of the bridging strip (area).

[0080] In Figure 14 An embodiment for the bridging strip is shown, which can also be valid for a track section forming a respective connecting element - alternatively or in combination - in which the respective design for the adhesive / hook-and-loop connection is formed on both sides of the bridging strip. List of reference symbols 1 Partition curtain 2 Curtain track 3 Curtain track a Width 4 horizontal traction element b Height 5 Roman blind c vertical height 6 vertical traction element 7 winding shaft H Sports hall 8 Railway section HO horizontal 8a Railway section SB sound-absorbing area 9 Railway section SD soundproof area 9a Railway section 10 Edge strip α angle 11 Edge strip 12 Connecting seam 12a Connecting seam 12b Connecting seam 12c Connecting seam 13 Support device 14 bridging strips 15 End area 16 Hook training 17 Loop training

Claims

1. Partition curtain (1) for, for example, sports halls (H), multi-purpose halls, event and exhibition halls, industrial halls or halls, wherein the partition curtain (1) has two outer surfaces which are each formed by a curtain panel (2, 3), wherein the curtain panels (2, 3) are gatherable from a lowered state into a raised state and a curtain panel (2, 3), having a vertical height, is composed of a plurality of panel sections (8, 9) extending substantially horizontally in the lowered state, wherein one or more panel sections (8) of sound-insulating material and one or more panel sections (9) of sound-absorbing material are arranged over the vertical height (c) of each of the curtain panels (2, 3), characterized in that the combined vertical heights (b) of the panel sections (9) of sound-absorbing material of both curtain panels (2, 3) exceed the vertical height (c) of the partition curtain (1) in the lowered state due to an overlapping arrangement of the panel sections (9) of sound-absorbing material, resulting in an overlap area, and that a sound-insulating region is formed in the overlap area.

2. Partition curtain (1) according to claim 1, characterized in that the sound-insulating region is acoustically connected in each case to a panel section (8) of sound-insulating material.

3. Partition curtain (1) according to claim 2, characterized in that the region is a bridging strip (14).

4. Partition curtain (1) according to claim 3, characterized in that the bridging strip (14), in the lowered state, extends at an acute angle (a) to a horizontal (HO) in a vertical cross-section in which only a thickness of the panel sections (8, 9) is depicted.

5. Partition curtain (1) according to one of claims 3 or 4, characterized in that the bridging strip (14) is formed unconnected with respect to one of the panel sections (8, 9).

6. Partition curtain (1) according to claim 5, characterized in that the bridging strip (14) can be fixed to the panel section (8, 9) to which it is not connected by means of a hook-and-loop connection.

7. Partition curtain (1) according to one of the preceding claims, characterized in that opposite panel sections (8, 9) have horizontally opposite connecting seams (12, 12a, 12b, 12c) in the lowered state.

8. Partition curtain (1) according to claim 7, characterized in that the bridging strip (14), starting from a first connecting seam (12a) between a first and a second panel section (8a, 9a), is connected to a third connecting seam (12c) which is formed offset in the vertical direction relative to a second connecting seam (12b) which lies opposite the first connecting seam (12a).

9. Partition curtain (1) according to one of the preceding claims, characterized in that opposite panel sections (8, 9) are connected by horizontal traction means (4).

10. Partition curtain (1) according to claim 9, characterized in that the bridging strip (14) is connected to the horizontal traction means (4).

11. Partition curtain (1) according to claim 9, characterized in that the bridging strip (14) is penetrated by the horizontal traction means (4).

12. Partition curtain (1) according to one of claims 7 to 11, characterized in that the connecting seam is formed by superposed edge strips (10, 11).

13. Partition curtain (1) according to claim 12, characterized in that the edge strips (10, 11) extend substantially horizontally and towards an opposite curtain panel (2, 3).

14. Partition curtain (1) according to one of claims 12 or 13, characterized in that a bridging strip (14), in the lowered state of the partition curtain (1), extends at least on the edge side on one or both sides in a vertical overlap with the edge strip (10, 11).

15. Partition curtain (1) according to one of claims 2 to 14, characterized in that the bridging strip (14) is formed integrally with a panel section (8) of sound-insulating material.

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