Abstract
The application comprises a device for protecting against water ingress and fire penetration into interspaces and into cavities through expansion joints in structures, cable ducts and cable lead-throughs which are occupied by cables and/or pipes, and, depending on the application, serves as a fire protection or leakage protection device in landfills, tank systems and transport and/or safety containers in the sea sector. The device comprises a flat-tube cushion which is fixed in terms of length and width and which is equipped on the outer sides with a swellable nonwoven sealing strip. In the interior, the leakage or protective flat-tube cushion is provided with at least one swellable nonwoven sealing strip which has high-tensile-strength closures on the longitudinal side and the transverse side and is filled or evacuated via at least one plastic-coated metal compressed-air valve with a valve extension, and, depending on the application, can be equipped with a radio monitoring or control system.
Claims
1. A device for protection against water ingress and fire penetration into interstices and into cavities through expansion joints (11, 12, 14) in subsections, cable ducts (7, 8), and building lead-throughs (7, 8) that are occupied by cables and/or pipes and serve, as needed, as fire protection or leak protection devices (20), landfills, tank systems, transport and/or safety containers in the sea, characterized in that the device comprises a flat-tube cushion (1), fixed in length (6) and width (6), which is equipped on the outsides with a swellable nonwoven sealing strip (2), and that the leakage or protection flat-tube cushion (1) is provided in the interior with at least one swellable nonwoven sealing strip (17) that has high-tensile-strength closures (18) on the long side (6) and the transverse side (6) and is filled or evacuated (3) via at least one plastic-coated, metal compressed-air valve (3) with valve extension (4) and as needed can be equipped with a radio monitoring or control system (3).
2. The device of claim 1, characterized in that a single-ply, circular or longitudinal and/or longitudinal, two-play arrangement of the flat-tube cushion (1) is provided, wherein the valve (3) is joined to the flat-tube cushion (1) in the hot-sealing welding process by means of a valve extension (4) for a total leakage rate of 5.5 mbar/s.
3. The device of claim 1, characterized in that the flat-tube cushion (1) is located in the area of use as a single element, horizontal, vertical, full-circular or semicircular in the pipe circumference or the expansion joint segment, and the compressed-air valve (3) is located at least on one end (3) of the flat-tube cushion (1) and by means of the metal extension (4), a special valve (3) that is flexible in all directions can be produced.
4. The device of claim 1, characterized in that on its inside or outside, in the longitudinal or transverse direction, the device additionally has an elastic, not permanently adhesive swellable nonwoven sealing strip (2), which after water contact rapidly swells, having an area weight of 480 g/m.sup.2.
5. The device of claim 1, characterized in that upon sealing of cable duct pipes (7) penetrated by cables (8) and/or cable pipes (8), in the vicinity of the contact points of cable duct pipes (8) and/or cable duct pipes (7), a wrapping comprising a swellable nonwoven sealing strip (2) with or without a backing film is used, and in the nip, filling elements or swellable nonwoven sealing stars (9) are located, which are produced from sealing strip material (2).
6. The device of claim 5, characterized in that the swellable nonwoven sealing star for insertion between two and more cables is produced from two swellable nonwoven sealing strips (2) placed one over the other with two longitudinal seams and a transverse seam (10) and/or two swellable nonwoven sealing strips placed one over the other, connected by a 5 mm wide longitudinal weld seam (9.
7. The device of claim 1, characterized in that the flat-tube cushion (1) in combination with a water-fire penetration-protection device for longitudinal use in expansion joints (27) or circular use in ducts (7) occupied by cables and/or pipes (8) is equipped as a compressed-water-tight barrier layer, which is produced with a possible monitoring measuring system (3) and a flexible fireproof strip (28), sheathed with swellable nonwoven sealing strip (2) in the high-frequency welding process (9), is produced as a fire penetration protection (27).
8. The device of claim 1, characterized in that the flat-tube cushion (1) is filled with gaseous, pulverized or liquid media, swellable nonwoven sealing strips (2, 17), and/or magnetic or lead strips.
9. The device of claim 1, characterized in that the flat-tube cushion (1) is produced, adapted in length to the circumference of the duct (7) and in the length of the expansion joint (6), and in the width of 135, 285 or 420 mm (6).
10. The device of claim 1, characterized in that the water leakage and/or protection flat-tube cushion device (1, 16, 20, 21) is produced from one or more basic elements, placed over one another or next to one another, in the form of goods sold by the meter in widths of up to 12 m and in lengths of up to 100 m by continuous gas welding to one another in high-tensile-strength and pressureproof form and is connected on one side to a swellable nonwoven sealing strip (2) by means of elastic adhesive.
11. The device of claim 1, characterized in that the water leakage protection device or the flat-tube cushion (16, 20, 21) is produced preferably in the interior with one or more swellable nonwoven sealing strip layers (17), glued to one another, of 480 g/m.sup.2.
12. The device of claim 1, characterized in that the swellable nonwoven sealing strip (2, 17) of 480 g/m.sup.2 is produced from a mechanically hardened PP nonwoven with water-absorbent, rapidly water-swelling polymer.
13. The device of claim 1, characterized in that the flat-tube cushion (1, 6, 6, 16, 20, 21) is produced from a folded strip or tube which depending on the area of use comprises thermoplastic, elastomers, and/or highly inflammable thermoplastic-elastomer mixtures, and these substances have metal and/or metal-free inlays.
14. The device of claim 1, characterized in that a strip (1) of the flat-tube cushion (1, 6, 6, 16, 20, 21) is produced at least from a five-ply thermoplastic composite film (1) having the following structure TABLE-US-00001 150-250 m PE 150-250 m PE 15-30 m PET 15-30 m PET 9-23 m ALUMINUM 9-23 m LEAD 15-30 m PET 15-30 m PET 150-250 m PE 150-250 m PE.
15. The device of claim 1, characterized in that the flat-tube cushion with a furnished valve closure cap has a total leakage rate of L= . . . 5.56.210-8 mbarl/s, corresponds to 2.7 mbarl/year.
Description
[0030] The invention will now be described in further detail in terms of exemplary embodiments. Shown are:
[0031] FIG. 1 a perspective view of a reusable protection device against water conduction as a sealing cushion with a tire valve for filling and evacuation in widths of 100 mm to 450 mm and lengths of 150 mm to 23 m, which in the continuous gas welding and hot-sealing welding process is welded all the way around with a 9 bar burst-pressure-resistant aluminum composite foil and tire valve and sheathed with swellable nonwoven sealing strip;
[0032] FIG. 2 a cross section of a protection device similar to the view in FIG. 1, which is provided for circular use in ducts occupied by cables and/or pipes and/or subsections for interstice sealing in ducts and/or pipes with interaction in the presence of heat and water, and a swellable nonwoven sealing star is introduced;
[0033] FIG. 3 a perspective view of the cable and/or pipe interstice seal shown in FIG. 2, produced from two swellable nonwoven sealing strips, placed one above the other, in the longitudinal direction as a swellable nonwoven sealing star with at least one longitudinal weld;
[0034] FIG. 4 a perspective view of the interstice seal shown in FIGS. 2 and 3 with interaction with two swellable nonwoven sealing strips placed one above the other, sewn or welded twice in the longitudinal direction and once in the transverse direction, as an insertable swellable nonwoven sealing star;
[0035] FIG. 5 a perspective view of a water protection device similar to FIG. 1 in subsections, bridges, buildings, and/or junctions with a curved joint course and/or expansion joints with lengths>23 m, in which a plurality of sealing cushions (valve) are introduced in offset fashion or lying one above the other;
[0036] FIG. 6 a perspective view of a water protection device similar to FIGS. 1 and 5 in subsections, in which sealing cushions (valve) are introduced between the joint flanks;
[0037] FIG. 7 a cross section of FIGS. 1, 5 and 6 embodied such that two sealing cushions (valve) are introduced, overlapped in the vicinity of joint offset locations, above left-over pieces of concrete;
[0038] FIG. 8 a cross section of FIGS. 1, 5, 6 and 7 embodied such that one or two sealing cushions (valve) are introduced in the vicinity of joint offset locations or broken-out places;
[0039] FIG. 9 a cross section of FIGS. 1, 5, 6, 7 and 8 embodied such that in subsections, two sealing cushions (valve) are introduced, lying one above the other in the expansion joints;
[0040] FIG. 10 a cross section of FIGS. 1, 5, 6, 7 and 9 embodied such that for a 300 mm expansion, a sealing cushion (valve) is introduced;
[0041] FIG. 11 a cross section of FIG. 1, embodied such that in subsections, the sealing cushion (valve) is introduced in one piece over corners;
[0042] FIG. 12 a perspective view of a cut-open, reusable basic element of the chemical mixture protection device with internal, at least single-ply swellable nonwoven sealing strips against water penetration in the form of vacuum sealing cushions (valve), which in the form of goods sold by the meter in widths up to 12 m and lengths up to 100 m by continuous gas welding covers the basic elements, lying one above the other, all the way around with an aluminum composite foil with an impact strength of 40 N/cm.sup.2 in tension- and tear-proof fashion with mounting;
[0043] FIG. 13 a perspective view of a water protection device, similar to FIG. 12, in subsections in which the basic element of the sealing cushion (valve) is embodied without mounts;
[0044] FIG. 14 a perspective view of a water protection device similar to FIG. 12 in subsections, in which the composite foils basic elements are produced on the surface with a high impact-strength and tension- and tear-resistant connection by continuous gas welding;
[0045] FIG. 15a/15b perspective views of the water protection devices, similar to FIGS. 12, 13 and 14, in subsections, in which the basic elements are lined up with one another, and in the continuous gas welding the basic elements are connected to one another in tensile- and tear-proof fashion by a composite foil strip;
[0046] FIG. 16 a perspective view of a water protection device, similar to FIGS. 14 and 15b, in subsections, in which laying composite foil or basic elements with the swellable nonwoven side onto the construction or container, and/or gluing them to the walls, or the composite foil, depending on the expected water column, is weighted and introduced in widths of 140, 300, 600, 900 and 1200 mm and in lengths of up to 100 m;
[0047] FIG. 17 a cross section of a water protection device in subsystems in which the composite foil is beneath the joint is produced as a water runoff gutter in widths of 140, 300 and 600 mm and lengths up to 500 m;
[0048] FIG. 18 a perspective view of a swellable nonwoven-sheathed round cord of PE foam or flexible fireproofing material as goods sold by the meter, which in expansion joints above the joint prevents penetration of seeping water and/or water that is not exerting pressure;
[0049] FIG. 19 a perspective view of a water and fire penetration protection device, comprising a swellable nonwoven-sheathed, flexible fire protection strip that individually or in combination with the sealing cushion with a valve prevents seeping water penetration that is located as a water barrier for a water column up to 10 m in expansion joints upstream of the swellable nonwoven-sheathed fire protection strip; in the event of fire >100 C., the sealing cushion and valve collapses with ensuing swelling of the fire protection strip, so that protection from fire penetration is achieved;
[0050] FIG. 20 a perspective view of a water and fire penetration protection device similar to FIG. 19, which is wound in circular fashion about cables and tubes in the cable duct, pipe, and building infeed ducts and lead-throughs that are placed and are sealed off with sealing cushions (valve).
[0051] FIG. 1 shows the device comprising a flat-tube cushion 1, coated on both sides on the outside with swellable nonwoven sealing strip 2, with a compressed-air valve 3 connected to a metal, plastic-coated valve extension 4, which is located on a long side 6 150 mm to 23 m in length or on the face ends or broad sides 6 of the flat-tube cushion 1 that are from 10 cm to 60 cm wide and which serves, in a single-ply application, to provide optimal pressure distribution. The embodiment as a flat-tube cushion is attained by production of pressure-tight closures 5 in the longitudinal direction 6 and on both ends of the composite foil surfaces.
[0052] Depending on the field of application, the flat-tube cushion 1 is placed in circular fashion between a masonry perforation or cable duct 7 and a media pipe 8 or multiple media pipe 7 or multiple cable 8. By filling and/or evacuating the device via the compressed-air valve 3 with the metal, plastic-coated valve extension 4 with gaseous or pulverized or liquid fill media 3, the cavities are filled with the swellable nonwoven sealing strip 2. After the filling has been let out of the flat-tube cushion 1, simple dismantling is possible, and the flat-tube cushion 1 can be re-used.
[0053] FIG. 1 shows two flat-tube cushions 1 placed one above the other. The swellable nonwoven sealing strip 2 is intended for an external coating. The flat-tube cushion 1 is embodied as a composite film with impact strength and burst pressure resistance. The pressure-tight closure 5 is produced by means of continuous gas welding or hot sealing welding methods.
[0054] FIG. 2 shows a cross section of a protection device similar to FIG. 1, which for single-ply, circular use in ducts 7, placed with cables and/or pipes 8, pipes 8 and/or building inlets and lead-throughs 7 with a swellable nonwoven interstice seal 2 with interaction in heat and water of the sealing cushion 1 has a swellable nonwoven sealing star 9 high-frequency welded once longitudinally or sewn or a swellable nonwoven insertion sealing star, which comprises two longitudinal seams and a transverse seam and/or a high-frequency weld.
[0055] FIG. 3 shows a perspective view of the four-chamber swellable nonwoven sealing star 9 interstice seal shown in FIG. 2 with interaction in heat and water, produced from at least two swellable nonwoven sealing strips 2 placed one above the other, which are high-frequency welded or sewn centrally in the longitudinal direction.
[0056] FIG. 4 shows a similar device as in FIG. 3, in which as a four-chamber swellable nonwoven-insertion sealing star 9, two hot-frequency welds and/or seams can be applied in the longitudinal direction, and one such weld and/or seam in the middle.
[0057] FIG. 5 shows a perspective view similar to FIG. 1 with longitudinal or arched expansion joints with use up to 100 m embodied such that the flat-tube cushion 1, or a plurality of flat-tube cushions, are advantageously introduced offset or one above the other, and the flat-tube cushions 1 can be folded from a composite film with impact strength and burst pressure resistance in the longitudinal direction and produced by continuous gas welding as flat-tube cushions 1 even in lengths of up to more than 300 m and widths up to 60 cm.
[0058] By filling the flat-tube cushions 1 with gaseous fill media via the compressed-air valve 3, cavities are filled; for monitoring joint movements, temperature changes and leakage points, a simple 2.4 GHz monitoring measuring system is adaptable. After evacuating the filling from the flat-tube cushion 1 via the tire valve 3, dismantling for inspection work and re-use of the flat-tube cushion 1 is possible.
[0059] FIG. 6 shows a perspective view of the water protection device shown in FIGS. 1 and 5 in expansion joints or subsections in which the flat-tube cushion 1 by being filled fills up the cavities between the joint flanks 11.
[0060] FIG. 7 shows a cross section through FIGS. 1, 5 and 6 embodied such that the flat-tube cushion 1 can be introduced overlapped in an expansion joint of subsections 11 via joint offset locations 12 comprising concrete residues.
[0061] FIG. 8 shows a similar cross section as in FIGS. 1, 5, 6 and 7, embodied such that the flat-tube cushion 1, after being filled, can reliably seal off joint offset locations 12 of up to 6 cm over a length of 1 m against water penetration with concrete residues in the expansion joint 11.
[0062] FIG. 9 shows a cross section similar to FIG. 8 embodied such that advantageously two sealing cushions 1 are placed one above the other, which can seal off expansion joints 11 against water penetration with a larger than the permissible flat-tube cushion sealing width and joint offset locations 12.
[0063] FIG. 10 shows a cross section similar to FIG. 9, embodied such that the flat-tube cushion 1 is shown with a special width of the flat-tube cushion.
[0064] FIG. 11 shows a cross section similar to FIGS. 6, 7, 8 and 10 embodied such that the flat-tube cushion 1 can be introduced at a portion into longitudinal expansion joints 11 and rectangular expansion joints 14; the corner areas are equipped with corner, T-shaped and/or cross-joint round modules 15, so that sealing off against water conduction is achieved.
[0065] FIG. 12 shows a perspective cross-sectional view of a vacuum flat-tube cushion-valve-basic element 16 with a swellable nonwoven sealing strip inside it, with at least one ply 17 on one side glued to the composite foil 1, having a vacuum/compressed-air valve 3 which is closed with a metal, plastic-coated valve extension 4 having the composite foil 1 with impact strength and resistance to burst pressure, by the hot sealing welding process. The flat-tube cushion-valve-basic element 16 is produced to size all the way around by the continuous gas welding in supplied widths 6 of up to 12 m and lengths 6 of up to 100 m with swellable nonwoven sealing strip 17 and overlapping composite foil 1 lying against one another, with tensile strength and pressure resistance because of the continuous gas welding. A plurality of basic elements can be connected to one another in tensile- and pressure-resistant fashion via a detachable base profile section mounting 18 for receiving eyelets, ropes, screws, nails and the like. For purposes of monitoring temperature and tightness of individual basic elements 16, after evacuation of the residual air, vacuum can be applied to each tire valve 3 with a 2.4 GHz or equivalent monitoring measuring system.
[0066] FIG. 13 shows a perspective view, similar to FIG. 12, of a flat-tube cushion with a valve and basic element 16 without a base profile section mounting 19; depending on the kinds of use, the vacuum-flat-tube cushion valve-basic elements can be placed in peripheral regions, offset one above the other or side by side, connected nondetachably to one another by the continuous gas weld 5 as an individual basic element 16, but each basic element is monitored on its own via the tire valve 3.
[0067] FIG. 15a shows a perspective view of a vacuum flat-tube cushion with a valve 16, similar to FIGS. 12 and 13, in subsections, embodied such that depending on the intended use the swellable nonwoven sealing strip 2 is glued on one side in one or more plies 17 in the joint flank profile section 16; the joint flank profile sections 16, located side by side at 21, are connected to one another with composite film strips 1 by the continuous gas welding method.
[0068] FIG. 16 shows a perspective view, similar to FIG. 14, of a water protection device 20 in subsections 22, in which the base profile body 20, located side by side connected to one another 20 by the continuous gas weld 5 are placed or glued 21 with the swellable nonwoven sealing strip side 2 onto the construction.
[0069] FIG. 17 shows a cross section through a water runoff gutter 23 comprising a composite foil 1, which is secured underneath and/or above a expansion joint 23 in subsections 22 at least every 2 m along the construction.
[0070] FIG. 18 shows a perspective view of a swellable nonwoven round cord water barrier layer device 24 in expansion joints of subsections 22 above the joint, embodied such that depending on the intended use, a PE round cord 25, fire protection strip or fire protection cord is introduced with a swellable nonwoven-sheathed 2 by the high-frequency welding process.
[0071] FIG. 19 shows a perspective view, similar to FIG. 18, as a water and fire penetration protection device 27 in expansion joints 22 in combination with a sealing cushion with a valve 1. In the combination, the sealing cushion with the valve serves as a water barrier for a water column of up to 10 m, having the properties that in the event of leakage caused by fire damage, locally tripped temperature and pressure changes can be forwarded to a central control point by a 2.4 GHz monitoring measuring system attached to the tire valve 3, and that the cushion with the valve 3 collapses at >100 C., and the swellable nonwoven-sheathed flexible fire protection strip 27 by swelling of the fire protection mass of the strip 28 achieves a fire penetration protection.
[0072] FIG. 20 shows a perspective view, similar to FIG. 19, embodied such that the water and fire penetration protection device 27 is used in a circular application 29 in ducts 7. The sealing cushion with the valve 1 has a similar cross section to the protection device of FIG. 2 in a circular use with cables and/or pipes 8 and/or building inlets and lead-throughs. In addition to the water protection device shown in FIG. 2, immediately downstream of the sealing cushion 1 with the valve there is a fire penetration protection device 28, which is introduced circularly in at least one ply around the cables and/or pipes 8 placed in ducts.
[0073] It is also important that the flat-tube cushion is produced with a burst pressure resistance of up to 9 bar, impact strength of up to 40 N/cm.sup.2, chemical resistance to pH2, pH12, gasoline, diesel, kerosene, paraffin oil, and temperature resistance of from 60 C. to +70 C.
LIST OF REFERENCE NUMERALS
[0074] 1 Flat-tube cushion [0075] 2 Swellable nonwoven sealing strip [0076] 3 Tire valve for filling or evacuation [0077] 3 Monitoring system for vacuum, pressure and temperature [0078] 4 Valve extension, metal, plastic-coated [0079] 5 Pressure-tight closure [0080] 6 Longitudinal side/longitudinal direction of sealing cushion, cushion length [0081] 6 Transverse side of sealing cushion (face end of cushion width) [0082] 7 Cable duct, pipe, building inlet and lead-through [0083] 8 Cable or pipe [0084] 9 Four-chamber swellable nonwoven sealing star, high-frequency welded or sewn [0085] 10 High-frequency weld [0086] 11 Joint flank [0087] 12 Joint offset location [0088] 14 Expansion joint with rectangular expansion joint course [0089] 15 Round module for corner joint, T joint and/or cross joint [0090] 16 Basic element of the vacuum flat-tube cushion (valve) [0091] 17 Swellable nonwoven sealing strip, located inside, having at least one ply [0092] 18 Soluble base profile section mounting for receiving eyelets, ropes, screws [0093] 19 Swellable nonwoven sealing strip without soluble base profile section mounting [0094] 20 Water mixture protection device [0095] 21 Swellable nonwoven sealing strip, having gluable elastic adhesives on masonry structures and/or metal/plastic containers [0096] 22 Subsections [0097] 23 Water runoff gutter below or above the joint [0098] 24 Swellable nonwoven round cord, water barrier layer [0099] 25 PE round cord or fireproof cord [0100] 27 Water-fire penetration protection device/strip in expansion joints or fireproof strip, flexible [0101] 28 Fireproof strip, flexible
