Classifications

• • 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
  • E04H17/00—Fencing, e.g. fences, enclosures, corrals
  • E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
  • E04H17/16—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames

Definitions

• the invention relates to a wall frame with a lattice part, which comprises spaced-apart rods, with at least two elastic bands, which are guided around the rods in a meandering manner, the lattice part has further spaced-apart transverse struts aligned perpendicular to the rods, and the use of the wall frame as a fence for lateral limitation of floor areas and as privacy and / or wind protection.
• Conventional walls and fences are known in the prior art, which are made, for example, of lattice parts.
• the conventional fences include the lattice part which is coupled to side supports.
• the grid part consists of a wire grid.
• the conventional privacy fences e.g. Wooden slatted fences
• the conventional fences are of little permanent use, especially since they include maintenance-intensive wooden strips and slats.
• the conventional fences prove to be expensive to manufacture and require expensive maintenance.
• DE-US 100 00 672 discloses a fence made of lattice support structures with a plurality of rows of mesh openings, into which a plurality of flexible straps, each of which extends over a row of mesh openings and which lie adjacent to one another, are braided and the straps are detachably connected to the lattice support structure ,
• the flexible bands are in the form of several rows of bands one above the other Braided mesh rows.
• the flexible straps are detachably connected to the lattice structure at their two ends by Velcro fasteners, snap fasteners, etc.
• the detachable fastening of the tapes is necessary in order to clean the tapes or to replace tapes as a result of aesthetic requirements, such as changing the color design.
• the flexible tapes are exposed to constant wind pressure.
• the constant wind pressure leads to a high mechanical load on the flexible belts.
• the consequence of the high mechanical load on the flexible belts is a bulging of the flexible belts in the middle area of the grid mesh rows, because the highest degree of flexibility can be found in this area.
• a constant high tensile stress on the ends of the straps can also be observed on the conventional coupling devices, such as Velcro fasteners and snap fasteners. Due to the constant weather-related wind pressure, the ends of the flexible tapes at the coupling points can tear as a further disadvantage.
• the conventional lattice support structure with closed lattice surfaces - without openings in the lattice surface - can be subjected to such a high force under wind load that the force exerted by the lattice support structure on the posts coupled to the lattice support structures leads to the posts twisting. Therefore, the conventional lattice support structure is also unsuitable as a privacy screen to prevent viewing into the areas delimited by the conventional lattice support structure, because it proves to be due to the constant risk of the post bending. to provide the grid surfaces of the conventional lattice support structure with openings, a fact which must nevertheless be avoided in order to provide the desired privacy screen.
• vibrations of the straps can occur which are comparable to the flag striking caused by storm or wind.
• This vibration of the belts not only leads to high noise pollution, but also has an effect on the lattice support structure, so that the conventional lattice support structure can also vibrate.
• the vibrations of the lattice support structure understandably cause a high mechanical load on the lattice support structure.
• the vibrations acting on the fences and lattice support structure lead to an impairment of their statics, so that at least deformations of the conventional lattice support structure cannot be ruled out.
• the vibrations of the lattice support structures can lead to inadequate stability and anchoring of these in the stand area or floor area.
• the flexible tapes proposed by the publication are designed, for example, as textile tapes, which sui generis are already expensive to manufacture and which drastically increase the manufacturing costs for lattice support structures and fences.
• the conventional fence as a privacy fence is not of a long service life, but does not take into account the forces due to storm and wind loads, which may occur permanently in times of sudden weather changes and increasing weather changes.
• the fence disclosed in DE-OS 43 39 266 relates to one for fencing and limitation purposes, which enables the coupling of the dimensionally stable lattice panels forming the fence surface by means of hooks to adjacent posts.
• the conventional teaching is simply to improve the attachment between the lattice panels and the posts and to keep them as quiet as possible.
• the improvement relates to special configurations of the hooks, the hooks on the side of the free leg facing the fastened leg being designed as bevels approximately from the end of the free leg of the hook against the fastened leg towards the fastening end of the fastened leg, which are used as a slideway to the wedge-like Clamping the grille perpendicular to the fence surface acts.
• These hooks have a certain elasticity in order not only to compensate for any manufacturing tolerances of the lattice panels and the hooks, but also to tolerate elastic deformations in vertical displacements of the lattice panels.
• DE-PS 198 13 568 is only directed to the fastening of elements to a grid consisting of wires and attempts to solve the problem of a particularly stable fastening of the device to grids.
• the conventional teaching ignores the problems of buckling of tapes caused by wind pressure and the vibrations caused thereby.
• the object of the invention should be to provide a wall frame which permanently takes into account the forces acting on the grid part and on the wall parts comprising the grid parts.
• the wall frame to be provided should be of increased longevity in order to largely eliminate the deformations of the lattice part which can be observed in the prior art, the buckling of bands and vibrations which can affect the stability of the wall frame.
• the wall frame should also tolerate weather influences, such as cold and heat, to such an extent that the deformations or the mechanical stresses of the hinges that provide privacy protection do not occur.
• the wall frame which is provided should also be designed without openings in grid areas in such a way that when the wall frame is coupled to or anchored in the ground anchored or coupled supports, also called posts, cannot bend over under wind loads.
• the wall frame should not only be inexpensive to manufacture, but also weather-resistant and long-lasting, and should have materials that can be reused after reprocessing in order to keep the environmental impact low. Furthermore, the wall rack to be provided should also be able to be handled by the inexperienced user when setting it up. The overall aesthetic impression of the wall frame to be provided should be open to the different taste sensations of the present and the future and should be able to take them into account.
• the invention relates to a wall frame with at least one grid part, which comprises rods spaced apart from one another, with at least two elastic bands, which are guided in a meandering manner around the rods, the grid part has mutually spaced transverse struts aligned perpendicular to the bars, which is characterized in that the cross struts are designed as pairs of cross struts, the grid part has meshes, the meshes of pairs of cross struts and rods are formed, the mesh has a mesh ratio V E of 0.5 to 0.8, at least two ribbons are guided in each stitch, the adjacent ribbons aligned parallel to one another being guided crosswise in plan view the tapes are made with a, preferably plastic-like material, which may have an elongation at break of 10 -60%, for example, the bands aligned with one another in the mesh have thicknesses D that match one another and the ends of the strips (3, 3a, 3b) arranged in a row of stitches are arranged free and folded at the opposite
• Another object of the invention relates to the use of the above-mentioned wall frame, e.g. as a fence, for the lateral limitation of floor areas, preferably as a privacy screen to prevent viewing and / or wind protection to avoid gusts of wind, draft wind, etc.
• Another object of the invention relates to the use of the above-mentioned wall frame, for example as a fence, for the lateral limitation of rooms, preferably as a privacy screen and / or wind screen.
• the wall frame according to the invention comprises at least one lattice part and supports arranged at the ends of the lattice part, to which the lattice part can be detachably coupled by means of a U-shaped bar and, for example, form-fitting connections.
• the grid part has a plurality of rods spaced apart from one another, which are connected to one another via transverse struts arranged at right angles to the rods.
• the cross struts are preferably formed in pairs as a cross strut pair. Two cross struts on the opposite sides of the bars can form the cross strut pair.
• the mesh has a mesh ratio V E of, for example, 0.5 to 0.8.
• the mesh ratio V E is also the ratio of the width B of the mesh to the height H of the mesh in the sense of the invention.
• the mesh ratio preferably relates to V E 0.5.
• the meshes can also be delimited on the top and bottom by pairs of cross struts.
• At least two flexible bands are woven into each stitch in a row of stitches.
• the flexible belts are parallel to each other. In the top view, the flexible straps are crossed .
• the courses can be aligned horizontally and / or vertically and / or diagonally to the supports his.
• the rows of stitches can also be oriented transversely or at an acute angle to the bars.
• Lead crossover means for example in the sense of the invention that in plan view the upper band to the one side of the one rod and the upper band immediately adjacent lower belt can be guided around the other side of the one rod around.
• the elastic bands can have an elongation at break of 10 -60%, preferably 20 to 40%, more preferably 25 to 35%.
• the elongation at break can be determined according to DIN 53 455 or ISO 527. It can affect the mechanical load, in particular due to tensile, compressive and 7 or shear forces.
• the elastic bands have a density of 0.5 to 2.5 g / cm 3 , preferably 1.0 to 2.0 g / cm 3 , even more preferably 1.5 to 1.8 g / cm 3 , or 1.5 g / cm 3 .
• the density can be determined according to DIN 53 479 or ISO 1183.
• the elastic bands have Vicat softening temperature , also called Vicat B / 50, from 50 to 100 ° C, preferably from 60 to 90 ° C, more preferably from 70 to 80 ° C.
• Vicat softening temperature can be determined in accordance with DIN 53 460 or ISO 306.
• Vicat softening temperature also called Vicat softening point
• Vicat softening point can be understood to mean the temperature at which plastic polymers are able to change from the hard elastic to the soft elastic state. The reduction in the hardness of corresponding plastic polymers at the softening point is evident, for example, from the fact that a body placed on a fabric sample under load is pressed into it when the softening temperature or softening point is reached. This method is used, for example, to determine the Vicat softening temperature.
• the temperature is determined at which a steel pin with a circular cross section of 1 mm 2 and a length of at least 3 mm penetrates vertically into the sample body with a force of, for example, 1 kp or 5 kp.
• the elastic bands can have a tensile strength of 30 to 100 N / mm 2 (MPa), preferably 40 to 80 N / mm 2 (MPa), even more preferably 45 to 60 N / mm 2 (MPa).
• the tensile strength can also be determined in accordance with DIN 53 455 or ISO 527.
• tensile strength can also be understood to mean the maximum value of the stress in the stress-strain curve in the tensile test.
• the elastic bands have a Shore D hardness of 50-120, preferably from 60 to 100, even more preferably from 70 to 90 or 75.
• the hardness can be determined acc. DIN 53 505 or ISO 868.
• a cone with a sharp tip can be pressed into the test specimen using a durometer provided with scales for reading the Shore hardness as an unnamed number.
• the elastic bands have an impact strength at 23 ° C. (Charpy), determinable according to ISO 179, without breaking. It can also be understood in the sense of the invention the measure of the resistance of the band to breakage when it is loaded by a shock or impact.
• the elastic bands can have an impact strength at 23 ° C. (Charpy), according to ISO 179 kJ / m 2 8 C.
• the formation of the tapes from plastic-like material which has an elongation at break of 10 -60%, a density of 0.5 to 2.5 g / cm 3 , a Vicat softening temperature of 50 to 100 ° C, a tensile strength of 30 to 100 N. / mm 2 (MPa) and a Shore D hardness of 50-120, in conjunction with the mesh ratio V E and with the corresponding thickness of the strips directly adjacent to one another in a mesh, enables such a sufficient dimensional stability of the strips, in the lattice part, that these tapes can remain in their original shape despite the forces caused by wind or storm.
• the thickness ratio V D also means the ratio of the strip thicknesses of the two immediately adjacent or adjacent strips of a course to one another.
• the thickness ratio V D is preferably 1, since the two adjacent strips of a course preferably have matching strip thicknesses. Strip thicknesses of 0.15 to 0.5 cm are preferred, more preferably 0.2 to 0.3 mm.
• the ratio V DM is also understood to mean the ratio of the band thickness of the band in a course of mesh to the width B of a stitch, wherein the bands arranged in a course of stitches can have band thicknesses that match one another.
• the ratio V DM can be from 0.02 to 0.05, preferably from 0.025 to 0.04, even more preferably from 0.025 to 0.03 or 0.03.
• the tapes in a stitch row or stitch can be of identical tape thickness, elongation at break, density, Vicat softening temperature, tensile strength and hardness.
• the belts do not bulge in the middle area, there are no vibrations, let alone the vibration noises or flag flutter to be avoided. It also proves advantageous that the ends of the strips in the region of the two ends of the grid part are not fastened to the grid part Need to become. Rather, the ends of the strips can end freely and be folded.
• the wall frame according to the invention remains low-vibration in the event of force suddenly occurring due to storms or gusts of wind and is firmly anchored in the ground.
• its statics are not influenced in such a way that deformations of the lattice part lead to one-sided mechanical loads on the components thereof.
• Mesh ratio V E is understood in the sense of the invention to mean the ratio of the width B of the mesh to the height H of the mesh.
• the length of the stitch is that length of the side of the stitch which is aligned parallel to a pair of cross struts.
• the height of the mesh is the length of the side which is oriented perpendicular to the pair of cross struts.
• the tapes are preferably produced with polyvinyl chloride polymers and / or from mixtures of the derivatives of the polyvinyl chloride polymers. Tapes can also be produced from other plastic-like polymer materials and used in the grid part.
• the tapes can also be detachably coupled in these U-shaped strips, if necessary, to form-locking devices, such as screw closures. However, it turns out that the free ends of the elastic bands can be coupled in the U-shaped strips.
• the ends of the belts arranged in rows of stitches can be received by U strips, the lattice part being releasably coupled to U-shaped strips arranged on the two ends of the lattice part on supports which have a support cross section of 80 mm length, 40 mm width and 3 mm Can have wall thickness.
• the bar with its two legs can reach under the cross strut pairs of adjacent lattice parts and accommodate the end rods of the ends of the adjacent lattice parts.
• the cross strut pairs can be arranged resting on the legs.
• the ends of the strips are preferably guided around the legs and around the end-side rods, with the formation of bent areas, which bent areas merge into the strips via kinks.
• the bent areas are preferably aligned parallel to the legs, outer edges of the bent areas being spaced apart from the sections of the strips connecting the two legs. It is advantageous if the strips are coupled to supports, preferably detachably.
• the bent free ends of the strips, also called folding areas, can preferably be aligned at right angles to the pairs of cross struts. Bending areas of adjacent strips of adjacent lattice parts can preferably be aligned parallel to one another.
• the wall frame according to the invention is particularly suitable for delimiting areas, such as land, for delimiting the land and, in the case of a non-transparent design of the strips, for avoiding viewing in land as a privacy screen.
• the grid part has cross struts which are spaced apart from one another, preferably identically, and are coupled on at least one side of the rods, on both sides or on opposite regions of both sides of the rods.
• the grid part with its bars and cross struts can also comprise, for example, plastic-like materials and / or metal. Aluminum, steel or the like can be used as the metal.
• polyvinyl chloride polymers such as rigid PVC, glass fiber reinforced plastics or the like can be used as plastic-like materials.
• the bars, cross struts and supports can also be made of wood. UV-resistant plastic-like material, which can be provided as an extrusion mass, is particularly suitable.
• the tape which e.g. is guided around the rods, is meandering in plan view of the rods, and is preferably made of the plastic-like material.
• plastic-like material polyvinyl chloride polymers such as rigid PVC, glass fiber reinforced plastics or the like can be used as plastic-like materials.
• the band can have a band thickness of approximately 2 mm to 4 mm, preferably 2 mm to 3 mm, even more preferably 2.5 mm.
• the band can be made of metal, preferably aluminum, iron or steel or the like can be used.
• the area of the grid part, also called mesh, delimited by two bars and two further cross struts can have a cover part.
• This cover part is coupled to the bars and / or cross struts.
• the cover part prevents the view through the surface and can have a wide variety of shapes, if, for example, translucent and / or transparent tapes are used. This area can additionally or alternatively be filled by part of the tape.
• the free ends of the band or bands can be coupled in a bent or non-folded configuration on the end rods of the lattice part.
• the U-shaped bar has two legs aligned parallel to each other.
• the bar engages with one of its two legs under a pair of cross struts and picks up the end rod at the end of the lattice part, so that the pair of cross struts can rest on one leg.
• the end of the band is guided around the one leg and around the end-side rod to form a bent area, which is preferably aligned parallel to the one leg.
• the bent area is preferably in contact with a screw device e, such as a screw.
• the U-shaped bar extends at least over part of the height H of the stitch or the band.
• the rods, supports and / or cross struts are preferably galvanized, powder-coated, plastic-coated and / or painted or the like.
• the powder coating increases the impact resistance of the surfaces of bars and cross struts against mechanical influences.
• the wall frame according to the invention is suitable for coupling to supports or posts, also of a conventional type, without the risk of the post bending over, in contrast to the prior art with high wind loads.
• the wall frame according to the invention consists of rods, cross struts and an elastic band, the production costs are significantly lower compared to the prior art compared to the prior art. Due to the large number of arrangements of bars and cross struts to one another, the provision of the surfaces of the lattice part with cover parts and / or bands or parts thereof, the free aesthetic design is given great freedom in the present and in the future.
• the wall frame according to the invention is characterized by the use of the easy-to-handle grating part for handling and enables simple fastening of the grating part with its two end bars to the supports even by the inexperienced user.
• the wall frame according to the invention comprises a lattice part 1.
• the lattice part 1 consists of a plurality of bars 2, which are parallel and spaced apart.
• Cross struts 4 are arranged with respect to the bars 2 and their center-longitudinal axes of the bars 2.
• the cross struts 4 are formed in pairs.
• a mesh 20 comprises the two mutually spaced, immediately adjacent pairs of cross struts 4a and the two immediately adjacent rods 2, which are likewise spaced apart from one another.
• a plurality of stitches 20 form a stitch row 21.
• At least two elastic, deformable bands 3, 3a, 3b are arranged within a stitch 20 or stitch row 21, which is preferably oriented horizontally.
• the two bands 3, 3a, 3b are immediately adjacent.
• the one upper band 3a is guided around one side of a rod 2, for example, and the lower adjacent band 3b immediately adjacent to the upper band 3a is guided around the other side of the rod 2.
• the two bands 3a, 3b form a crosswise arrangement in a top view (FIG. 6).
• the two ends of a band 3a, 3b are freely arranged in the region of the two ends of the grid part.
• the free ends of the bands 3, 3a, 3b will be received in U-shaped strips 22.
• the U-shaped bar 22 has two legs 22a, 22c aligned parallel to one another.
• the strip 22 engages with one 22a of its two legs 22a, 22c under a pair of cross struts 4a and receives the end rod 10a of the end of the grid part 1, so that the pair of cross struts 4a rests on one leg 22a.
• the end of the band 3, 3a, 3b is guided around the one leg 22a and around the end rod 10a to form a bend area 41, the bend area 41 merges into a band 3, 3a, 3b via a kink 3a ', the Bending area 41 is aligned parallel to one leg 22a.
• the folded area 41 preferably abuts a screw device 40, such as a screw.
• the U-shaped bar 22 extends at least over part of the height H of the mesh 20 or the band 3, 3a, 3b.
• the bevel region 41 lies between the outer end of the pair of cross struts 4a and the screw 40.
• the outer edge 3b 'of the bevel region 41 is spaced from the section 22b of the strip 22 connecting the two legs 22a, 22c and has a certain amount of play.
• the other leg 22 c of the strip 22 engages under a pair of cross struts 4a of a further, adjacent lattice part 1.
• the strips 22, on which the adjacent lattice parts 1 can rest, are coupled by means of screws 40 to a support 10 which is anchored in the ground.
• the support is rectangular in cross-section and has a hollow body, it has a cross section of 80 mm Width, 40 mm in length and a thickness of the wall of the support 10 of 3 mm.
• the grid part 1 has a height of 2.0 m, length of 2.5 m and the cross struts have a diameter of 8 mm and the rods have a diameter of 6 mm.
• the stitches 20 are closed.
• the calculated wind load can be more than 3 kN.
• Free and folded arrangement of the ends of the strips 3, 3a 3b is also understood in the sense of the invention that the strips in the area of the kink 3a are folded to form the bent area 41 of the strips 3, 3a, 3b, not the bent area 41, for example are connected by means of screws on the bar 22 and / or on the cross strut pairs 4a, but the bent area 41 is located or guided in the area between the ends of the cross strut pairs 4a, screws 40 and section 22 b without, for example, screwing the same to the supports or bars 22 can.
• the existing tension is less than the permissible one, which can be 240 N / mm 2 .
• the belts 3, 3a, 3b in a course 21 or course 20 have an elongation at break of 35%, a density of 1.5 g / cm 3 and a Vicat softening temperature of 80 ° C, a tensile strength of 55 N / mm 2 (MPa), a Shore D hardness of 90.
• the thickness ratio V D 1, the ratio V DM 0.03 and the mesh ratio V E can be 0.5.
• the tapes in a stitch row or stitch can be of identical tape thickness, elongation at break, density, Vicat softening temperature, tensile strength and hardness.
• the tapes are made of polyvinyl chloride polymers.
• the bars and cross struts are powder coated.
• the elastic bands of the wall frame according to the invention do not remain bulging when the wind forces are applied, but also in the presence of cold or heat, especially in the central region of the lattice part. Due to the lack of bulging of the strips, the free ends also remain in a secure position in the area of the two ends of the grid part. The free ends are guided in the U-shaped strips 22, for example due to the overall aesthetics.
• the flexible belts do not allow any vibrations to occur which, in comparison with the prior art, would be transmitted to the lattice part and from the lattice part 1 to the posts anchored in the floor.
• the wall frame according to the invention is characterized not only by low vibration but also by low noise.
• the wall frame 1 has rods 2 arranged parallel to one another.
• the bars 2 are equally spaced from one another.
• Cross struts 4 are arranged transversely to the bars 2 to provide a cross-lattice part.
• the cross struts 4 are also equally spaced from one another.
• the bands 3 are meandered around the bars 2 or wound in plan view.
• the strips 3 are arranged parallel to the cross struts 4.
• the bands 4 are aligned at right angles to the bars 2.
• the bands 3 are formed parallel to one another.
• the form-fitting connection 9 also serves for the releasable coupling of the free end of the band 3 to the end rods 2.
• the conventional screw clamp connection means that the free end of the band 3 is pressed against one another by pressing a trapezoidal connector 14, block connector or angled connector through the screw spindle 12 against the end rod 10a pressed. Due to the detachable connection of the band 3, an exchange of the band 3 is also possible.
• the grid part 1 consists of a plurality of surfaces 5, each of which is delimited by two bars 2 and two cross struts 4. These surfaces 5 are either filled by the band 3 or by a part of the band 3 (see FIGS. 1, 4 and 2) or covered by cover parts 6 (FIG. 2). Depending on the aesthetic perception, the cover parts 6 can have a wide variety of designs, for example, silhouettes of birds, insects or plants or the like.
• the surfaces 5 can be dimensioned differently, depending on the wishes of the user, by omitting a cross strut 4.
• the supports 10 which are anchored in the ground when the wall frame according to the invention is used as a fence.
• the supports 10 are coupled to the grid part 1 of the wall frame according to the invention by means of the U strips 22 and screw connections 40.
• a detachable coupling is preferably provided.
• the wall frame according to the invention is also suitable for permanent use and does not limit the reprocessing.
• the wall frame according to the invention is particularly insensitive to the weather due to the powder coating of the bars 2 and cross struts 4 and the provision of the strips 3 made of polyvinyl chloride polymers.
• the manufacturing costs of the wall frame according to the invention are also low.
• the wall frame according to the invention is also suitable not only as a fence for delimiting adjacent areas, but also as a privacy screen and separation guard of any kind for use in rooms.
• the usability of the wall frame according to the invention is increased by the simple, rapid and inexpensive coupling of the grid part 1 to supports 10 and / or other wall-like elements, such as walls.

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• Engineering & Computer Science (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Fencing (AREA)
• Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
• Door And Window Frames Mounted To Openings (AREA)
• Special Wing (AREA)

Applications Claiming Priority (2)

Publications (3)

Family

ID=7701543

Family Applications (1)

Country Status (3)

Cited By (1)

Families Citing this family (3)

Family Cites Families (7)

• 2001
  • 2001-10-05 DE DE10149217A patent/DE10149217A1/de not_active Ceased
  • 2001-12-13 DE DE20120180U patent/DE20120180U1/de not_active Expired - Lifetime
• 2002
  • 2002-09-29 DE DE20215456U patent/DE20215456U1/de not_active Expired - Lifetime
  • 2002-09-30 EP EP02021852A patent/EP1300531B1/fr not_active Expired - Lifetime
  • 2002-09-30 AT AT02021852T patent/ATE283952T1/de not_active IP Right Cessation
  • 2002-09-30 DE DE50201664T patent/DE50201664D1/de not_active Expired - Lifetime

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