• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention relates to a grid element for building a path for livestock, preferably pigs. The lattice element comprises lattice bars disposed between a first side frame member and a second side frame member, which will preferably be an upper frame member and a lower frame member. The lattice rod forms lattice openings in between. The grid bars are positioned offset relative to each other and relative to a center plane through the grid element, and the grid bars have an oval cross section, the oval cross section having a longest axis oriented perpendicular to the grid element. Furthermore, the present invention relates to a process for producing a grating element. A further aspect of the invention is the use of a grating element in a partition between paths in an animal shed.
    公开号:DK201870572A1
    申请号:DKP201870572
    申请日:2018-09-04
    公开日:2020-03-30
    发明作者:Østergaard Martin；Jensen Frankie
    申请人:Skiold A/S；
    IPC主号:
    专利说明:

    Grid element for building a path
    FIELD OF THE INVENTION
    BACKGROUND OF THE INVENTION The present invention relates to a grid element for building a path for livestock, preferably pigs, which grid element comprises lattice rods arranged between a first side frame member and a second side frame member, which will preferably be an upper frame member and a lower frame member, for forming grid openings. therebetween.
    BACKGROUND OF THE INVENTION
    Grid element is known for constructing a path for pigs, wherein the grating element comprises a round cross-sectional bar and the grating element is made of galvanized steel.
    Walls with planks and lattice windows are also known for building paths.
    These known lattice elements have the following disadvantages.
    The round cross-sectional bars cause turbulence in the air flow through the grid element. Thus, the air flow in the path / barn is reduced.
    Some thickness of the round lattice rods is required to achieve the necessary shelf life of the lattice. The required diameter reduces the air flow through the grating element.
    Furthermore, the grid elements can be relatively difficult to clean. Thus, it can be difficult to hit the entire surface of the lattice rods with the necessary pressure and the necessary angle with a high pressure cleaner.
    The known lattice elements are usually made to order for the particular barn in which they are installed. Thus, with the known lattice elements, a certain fraction of losses must be expected from manufacturers and dealers due to error measurements or productions.
    DK 2018 70572 A1
    Possible truncation of the grid element for alignment requires a worker with metalworking ability. Furthermore, the cut surface will not be galvanized, so the grating element will rust at the cut surface.
    The surfaces of drilled rollers required for securing the grid element to fittings will also rust.
    The object of the invention
    It is the object of the present invention to provide a grating element which alleviates these disadvantages.
    It is the object of the present invention to provide a grating element that reduces turbulence in the air flow through the grating element and increases the air flow through the grating element.
    Further, the object of the present invention is to provide a grid element which is durable.
    Further, the object of the present invention is to provide an easy-to-clean grid element.
    Further, it is the object of the present invention to provide a grid element which can be made of composite plastic material.
    Furthermore, it is the object of the present invention to provide a grid element which unites all these objects.
    Further, the object of the present invention is to provide a method for using a lattice element as a partition between paths in an animal shed, preferably a pig shed.
    Finally, it is the object of the present invention to provide a method for producing a grating element.
    DK 2018 70572 A1
    Description of the Invention
    This is achieved according to the present invention with a lattice element of the type initially specified, characterized in that
    - the lattice rods are positioned in relation to each other and to a median plane through the lattice element, and that
    - the grid bars have a greater extent in the direction across the plane of the grid element than in the direction along the plane of the grid element, and
    - at least the sides of the lattice rods oriented across the plane of the lattice element have a rounded shape.
    In this application, the center plane is understood as a plane parallel to the surface sides of the grid element and located between the surface sides where the surface sides are provided at the large lateral surfaces of the grid element.
    The cross sections where one considers the rounded sides are oriented transversely to the longitudinal direction of the grid bars. The cross-section shows on each side a rounded shape so that there is no risk of injury to animals when the grid element is used in a separation.
    Since the lattice rods have a greater extent in transverse direction than in the plane of the lattice element, a good strength towards lateral influence on the lattice element is obtained, while a large open area for air flow through the lattice element can be formed.
    In one embodiment, the cross-section may be oval and the oval cross-section may be ellipse. Alternatively, the cross-section may be egg-shaped or drop-shaped, however, with rounding at the narrow end of the drop.
    The narrow and elongated cross section of the lattice rods leads to a laminar flow of air through the lattice element. Thus, an increased air flow is obtained compared to a lattice element with round lattice rods or lattice poles with polygonal cross sections, which must give the same strength against pressure on the side surfaces of the lattice element.
    DK 2018 70572 A1
    Furthermore, the narrow and elongated cross section gives greater area for air flow compared to a lattice element with round lattice rods of the same strength. Thus, the air flow through the grating element is further increased.
    An increased air flow of the lattice element increases the air flow in paths in livestock stables, preferably pig stables. Thus, the stress of the animals is reduced. Furthermore, the cost of air conditioning of the trails / stables is reduced. The cost of air conditioning can be a significant operating expense. Especially in hot climate zones.
    The first and second frame members may be an upper frame member and a lower frame member. Thus, the lattice rods extend vertically during use of the lattice element. Vertically extending grid bars have the advantage of being easy to clean. Thus, water will run down the grid bars. At the same time, the surface of the lattice rods is easily accessible for cleaning equipment such as a high-pressure cleaner. Furthermore, the animals cannot ascend the grid bars when oriented in the vertical direction.
    Alternatively, the first side frame member and the second side frame member may be located on the sides of the lattice member such that the lattice rods extend substantially horizontally during use of the lattice member.
    The grid bars may be located at equidistant distances. The advantage of placing the grid bars at equidistant distances is that a high and uniform strength is obtained over the entire grid element.
    The lattice bars are arranged in relation to each other and to a central plane through the lattice element. Thus, several benefits are obtained.
    The strength of the lattice element under lateral loading increases. Thus, the lattice element can withstand a higher lateral load, e.g. when an animal leans or bumps against the grid element.
    Furthermore, the surface of the lattice rods is easily accessible for cleaning. Specifically, the side surfaces of the lattice rods are easily accessible for cleaning. For example, the grid bars
    GB 2018 70572 A1 is cleaned with a high-pressure cleaner. The water jet of the high pressure cleaner can hit the surface of the grating rods at a steeper angle. Thus, cleaning is more thorough and more efficient.
    According to a further embodiment, the lattice element according to the invention is characterized in that the lattice rods between the first and second side frame members are connected to at least one cross connection.
    The at least one transverse connection may connect adjacent lattice rods.
    The at least one transverse connection may be oriented perpendicular to the grid bars.
    The at least one cross-link may be parallel to the side frame portion.
    The at least one transverse joint may have a cross-section having a greater extent in the direction across the plane of the grid element than in the direction along the plane of the grid element and at least the sides oriented transversely of the plane of the grid element have a rounded shape. The plane of the cross-section will be oriented perpendicular to the longitudinal direction of the cross-connection.
    The at least one cross-link provides a higher strength at lateral loading. Thus, the lattice element can withstand a higher lateral load, e.g. when an animal leans against the lattice element or bumps against the lattice element.
    According to a further embodiment, the grating element according to the invention is characterized in that the cross-links form a zigzag pattern.
    The zigzag pattern may extend parallel to the first and second side frame members.
    The grid bars may be offset relative to the center plane such that each second grid bar is located in a first plane parallel to the center plane and the remaining grid bars are located in a second plane parallel to the center plane.
    DK 2018 70572 A1
    The first and second planes may have the same distance from the center plane in opposite directions.
    The cross-links have the advantage that, at a lateral load on the grid element, they will transmit a force component between the offset grid bars. Thus, higher stability is achieved by lateral loading on the grating element.
    All edges, corners and transitions between sub-elements of the grid element are rounded. However, at intersections where a grid element is truncated there will be no rounding. This does not matter to animals when the lattice element is used as a separation, however, such intersecting surfaces will generally be covered or bumped against a wall.
    According to a further embodiment, the grating element according to the invention is characterized in that it is made of a composite plastic material.
    Thus, an easy-to-handle grid element is obtained. Thus, a grating element is obtained with a high durability and high breaking strength. The weight of the lattice element is less than a corresponding lattice made of metal.
    Furthermore, the grid element is easy to adapt when building paths in stables. Thus, the grating element can be shortened by means of a saw, e.g. a hand saw. Thus, the installer is not required to have metalworking capabilities.
    Furthermore, there is no risk of rust at the cutting surfaces of a grating element as will be the case with a grating made of galvanized steel.
    The composite plastic material can e.g. be polypropylene with glass fibers. The fibers may also comprise fibers other than glass fibers.
    The fiber content will ensure a high durability and high breaking strength.
    Material tests have shown that this material build-up has a very high breaking strength. Tensile tests in the same embodiment of the grating element in different materials have
    DK 2018 70572 A1 thus shows fracture strengths for a lateral force on a single grid rod when reinforced with glass fibers.
    According to a further embodiment, the grating element according to the invention is characterized in that the grating element is manufactured as a single blank.
    Thus, a high durability and high breaking strength are achieved.
    The grille element may be molded.
    According to a further embodiment, the grating element according to the invention is characterized in that at least 60% of the side area of the grating element consists of the grating openings.
    Alternatively, 65% of the side area of the grid element may consist of grid openings.
    Alternatively, 70% of the side area of the grid element may consist of grid openings.
    Alternatively, 75% of the grid element side area may consist of grid openings.
    The side area of the lattice element is the area of a flat side of the lattice element.
    The high percentage of lattice openings in the side area of the lattice element allows for increased air flow through the lattice element. Thus, the grating element according to the invention enables efficient air conditioning of stables in stables. Thus, the cost of air conditioning is reduced. Furthermore, the temperature and thus the stress of the animals in the paths / stables reduces.
    According to a further embodiment, the grating element according to the invention is characterized in that the first and second side frame members have a rectangular cross-section with rounded corners.
    The rectangular cross section with rounded corners gives a high strength. Furthermore, the risk of injury to animals as well as personnel is reduced. For rectangular cross sections,
    DK 2018 70572 A1 which is less angular as there is a need for slip angles in the product when casting.
    According to a further embodiment, the grating element according to the invention is characterized in that the first and second side frame members comprise mounting holes to which brackets can be attached.
    The pre-formed mounting holes increase the strength of the grid element. Do not drill into the grid element during assembly. Thus material deterioration is avoided.
    According to a further embodiment, the grating element according to the invention is characterized in that all edges, all corners and all transitions between individual sub-elements of the grating are rounded, so that there are no sharp edges on the grating element.
    Avoiding sharp edges on the grid element reduces the risk of damage to animals and personnel. For example, there is less danger of incision damage if animals are pressed into the grating element during movement in the barn.
    In synergy with an embodiment in composite material, a synergy effect is obtained. Composite material has a higher yield in comparison to metal lattice elements. Thus, a grating element made of a composite plastic material without sharp edges is particularly well suited for animal welfare.
    A further aspect of the invention is the use of a grating element according to any embodiment as a partition between paths in an animal shed, preferably a pig shed.
    A further aspect of the invention is a method of making a grating element according to any embodiment, wherein the grating element is made by die casting.
    It is noted that the grid bars may have different cross sections. The cross sections may thus be of a major axis and a transverse axis extending perpendicular to the plane of the grid element or oriented at an angle to the plane of the grid element. Gittersta
    DK 2018 70572 A1 vein may have a largely rectilinear or curved shape. Also, lattice rods in a lattice element having an asymmetric shape may be oriented with the asymmetry alternating in different directions. This can be done, for example. may be the case with an egg-shaped cross-section, where the greatest curvature is located closest to a flat side of the grating element.
    The grid bars may also have an approximate airfoil shaped cross section. Here, however, the pointed end of such an airfoil shape will be rounded to avoid damage to an animal.
    drawing Description
    The invention will now be explained in more detail with reference to the accompanying drawings, in which
    FIG. 1 is a perspective view of an embodiment of the grating element according to the invention; FIG. 2 shows the same embodiment of the grating element seen in a different perspective,
    FIG. 3 is a side view of the same embodiment of the grating element;
    FIG. 4 shows the grating element shown in FIG. 1-3 from another side,
    FIG. 5 is a cross-section through the grating element perpendicular to the grating bars;
    FIG. 6 is a cross-section through the grid element parallel to the grid bars;
    FIG. 7 shows an enlargement of the cross section shown in FIG. 5,
    FIG. 8 is a perspective view of a section of the grid element;
    FIG. 9 shows a further embodiment of the grating element according to the invention,
    FIG. 10 shows a further embodiment of the grating element according to the invention; FIG. 11 shows a further embodiment of the grating element according to the invention; FIG. 12 shows a further embodiment of the grating element according to the invention; FIG. Fig. 13 shows a further embodiment of the grating element according to the invention; 14 shows a grid element as part of a path with brackets,
    FIG. 15 shows a path with grid elements according to the invention,
    FIG. 16 shows a stable of paths comprising grid elements according to the invention,
    FIG. 17-20 show alternative embodiments of cross sections on the grid bars.
    In the following description, identical or similar elements will be denoted by the same reference numerals in the various figures. Thus, no explanation will be given for all the details of each figure / embodiment.
    DK 2018 70572 A1
    List of referral names
    In Grille element, partition path grate sticks first side frame part
    II second side frame section openings middle plane oval cross section, grid rod oval cross section, longitudinal cross-section, oval cross section cross-section zigzag pattern rounded corners, first, second frame section mounting holes bracket rounded edges / corners / transitions, lattice element first plane second plane foot surface extension largest extension of lattice rod
    Detailed description of the invention
    FIG. 1 is a perspective view of an embodiment of a grating element according to the invention. The lattice element 1 comprises lattice rods 7. The lattice rods are arranged between a first side frame member 9 and a second side frame member 11. The lattice rods 7 form lattice openings 13 between the lattice rods 7.
    DK 2018 70572 A1
    In the edge regions of the side frame members 9, 11, there are other mounting holes 27. The mounting holes 27 are intended to secure the bracket of the lattice element 1 (not shown).
    The lattice rods 7 are positioned in relation to each other and to a central plane through the lattice element.
    The grid bars 7 have an oval cross section. The oval cross section has a longest axis oriented perpendicular to the grid.
    The oval cross section provides a larger area for air flow compared to a lattice element with round lattice bars which should provide the same strength.
    The lattice element 1 of the invention comprises lattice rods having an oval cross-section 17. Thus, a laminar flow of air through the lattice element 1. A better air penetration through the lattice element 1 is obtained.
    FIG. 2 shows the same embodiment of the grating element 1 shown in FIG. 1. It can be seen that the lattice rods 7 are positioned in relation to each other and to a median plane 15 through the lattice element 1. The lattice rods are connected to cross-links 21.
    The cross-links 21 are oriented perpendicular to the lattice rods.
    The cross-links 21 form a zigzag pattern 23.
    This embodiment provides an extremely good durability and tensile strength at side loading. Does a side load occur on the grid, e.g. an animal leaning against the lattice, the load is distributed among several lattice rods 7. Thus, the lattice rods 7 oriented in a first plane 33 and a second plane 35 will contribute to the strength of the lattice element 1.
    FIG. 3 shows the same embodiment of the grating element, see fig. 1 and 2. The grid element is viewed from one side. The first side frame member 9 and the second side frame member 11 are seen. The side frame members 9, 11 comprise longitudinal recesses in the sides. The lattice rods 7 are connected to cross-links 21. The cross-links may also have an oval
    DK 2018 70572 A1 cross-section 18. The cross-section is seen perpendicular to the longitudinal direction of the cross-links. The grid element may have a length of 120 cm and a height of 100 cm, but the grid element is not limited to these dimensions. The length is measured parallel to the side frame members 9, 11, and the height is measured perpendicular to the side frame members 9, 11.
    FIG. 4 shows the same embodiment of the grid element 1 as seen in FIG. 1-3. The grid element is viewed from one side. A first side frame member 9 and a middle plane 15 are seen. The middle plane 15 is parallel to the flat sides 39 of the grid element. The middle plane 15 is located between the flat sides 39 of the grid element.
    FIG. 5 shows a cross section through the grating element 1 seen in FIG. 1-4. The cross-section is taken parallel to the side frame portions 9, 11. The grid bars 7, which are offset and towards a central plane (not shown), are seen. There are the oval cross sections 17 of the grid bars.
    Fig. 6 shows a further cross-section through the grating element shown in Figs. 1-5. The cross section is taken perpendicular to the side frame portions. That is, the cross-section extends parallel to the lattice rods 7 in the lattice element 1. The first side frame member 9 and the second side frame member 11 and the cross-links 21. The oval cross-section of the cross-links is seen.
    FIG. 7 is a cross-sectional view of FIG. 5. The oval cross section 17. of the grid bars 7 is seen. The longest axis 19 of the oval cross section 17 is oriented perpendicular to the grid element 1.
    It will be seen that the cross-links 21 form a zigzag pattern 23.
    FIG. 8 shows a section of the grating element seen in FIG. 1-7. The grid element is shown in perspective. Rounded corners 25 are seen on the first side frame member 9. The side frame member has a rectangular cross section.
    FIG. 9 shows a further embodiment of a grid element 1 according to the invention. The grid element has a first side frame member 9 which is an upper frame and a second side frame member 11 which is a lower frame. The grid element has a length of 160 cm and one
    DK 2018 70572 A1 height of 80 cm. The length is measured parallel to the side frame members 9, 11. The height is measured perpendicular to the side frame members 9, 11.
    The lattice rods 7 are connected to three transverse links 21. The transverse links 21 extend perpendicular to the lattice rods. The cross-links are located at equidistant distances with one another and the frame members 9, 11.
    FIG. 10 shows a further embodiment of lattice elements 1 according to the invention.
    The grid element has a length of 120 cm and a height of 80 cm. The length is measured parallel to the frame members 9, 11 and the height is measured perpendicular to the frame parts 9, 11.
    The cross-links 21 are located at equidistant distances between one another and between the frame members 9, 11.
    FIG. 11 shows a further embodiment of the lattice element 1 according to the invention. The lattice element has a length of 80 cm and a height of 80 cm. The height is measured perpendicular to the frame portions 9, 11 and the length is measured parallel to the frame portions 9, 11. The cross-links 21 are oriented perpendicular to the grid bars 7 with oval cross sections. The cross-links 21 are located equidistant from each other and from the frame portions 9, 11.
    FIG. 12 shows a further embodiment of the grid element 1 according to the invention. The grid element has a length of 160 cm and a height of 100 cm. The length is measured parallel to the side frame members 9, 11, and the height is measured perpendicular to the side frame members 9,
    11. The oval cross-sectional bars 7 are connected to four cross-links 21. The cross-links are oriented perpendicular to the grid bars 7. The cross-links 21 are located equidistant from one another and the side frame members 9, 11.
    FIG. 13 shows a further embodiment of the grating element 1 according to the invention. The grid element has a length of 80 cm and a height of 100 cm. The length is measured parallel to the side frame members 9, 11, and the height is measured perpendicular to the side frame members 9,
    The grid bars 7, which comprise oval cross sections, are connected to four cross-links 21. The cross-links 21 are oriented perpendicular to the grid bars 7. Cross-links
    DK 2018 70572 A1 parts are located at equidistant distances from each other and from the side frame parts 9,
    11th
    FIG. 14 shows a lattice element 1 according to the invention in use with brackets 29. The lattice element 1 is mounted on a transverse wall and a foot 37. A bracket 29 connects the foot 37 and the first side frame member 9, which is an upper frame member. Screws are mounted in the mounting holes 27.
    FIG. 15 shows a sketch of grid walls mounted in a partition 5 of a path 3.
    FIG. 16 shows the structure of paths 3 in a stable. The paths comprise partitions 5 comprising grid elements 1 according to the invention. The grid elements are located parallel to each other. Thus, an air flow through the barn can be generated. The air flow is oriented perpendicular to the grid elements. Thus, maximum air flow can be generated in the barn. The grid elements of the invention are particularly advantageous in such a construction. The increased air flow in the barn reduces the cost of climate control. At the same time, the temperature stress of the animals is reduced.
    FIG. 17 shows a partial section through an alternative embodiment of a lattice element 1 with lattice rods 7 '.
    The grid bars 7 'have a greater extent 40 in a direction transverse to the plane of the grid element than the extent 41 which the grid bars have in the direction along the plane of the grid element. The two sides 42 of the grid bars, which are oriented across the plane of the grid element, are rounded.
    In the embodiment shown, each of the grid elements is shown with their longest extent 40 oriented parallel to each other through the grid. Alternatively, the grid bars may be positioned so that there is varying angle of longitudinal extension 40 for the grid bars 7 '.
    FIG. 18 shows an alternative embodiment of a lattice element 1 with lattice rod 7 ".
    Here it is seen that the greatest extent extends across the plane of the grid element over one
    DK 2018 70572 A1 extends beyond the transverse direction 41, which extends along the plane of the grid element. In this embodiment, the lattice rods are provided with a curvature in their shape relative to FIG. 17, where the grid bars have a rectilinear extent in their longitudinal direction.
    With this oblique orientation, it is possible that the lattice rods in a lattice element can impart a directional change in air flow as they pass through the lattice element.
    FIG. 19 also shows a partial section through a further embodiment of a lattice element 1 with lattice rods 7 "'. In this embodiment, the lattice rods 7 "'have an elongate cross-section with the greatest extent across the lattice element and a shorter extent 41 along the plane of the lattice element. Also, the grid bars in FIG. 19 is similar to FIG. 18 is oriented with an oblique orientation with respect to an orientation perpendicular to the grid element 1. However, the grid bars 7 "'may alternatively be oriented with the greatest extent 40 perpendicular to the plane of the grid element.
    This grid element also has rounded ends at the sides oriented transversely to the plane of the grid element. Here it is seen that the roundings at the two sides 42 are of different dimensions.
    FIG. 20 shows a partial section through a further embodiment of a lattice element 1 with lattice rod 7 "". The lattice bars shown in FIG. 4, has a largely egg-shaped cross section. It will be seen that the side of the lattice rods which face the outermost surface of the lattice element 39 has the greatest curvature. This results in the greatest surface area and thus the least risk of damaging an animal leaning on a partition formed by the grating element.
    Similar to the alternate orientation of the largest curvature shown in FIG. 20, it is noted that the corresponding alternating orientation of the largest curvature can also be established with the embodiment shown in FIG. 19th
    权利要求:
    Claims (5)
    [1]
    A grid element for constructing a path for livestock, preferably pigs, said grid element comprising grid bars disposed between a first side frame member and a second side frame member, which will preferably be an upper frame member and a lower frame member, for forming grid openings therebetween, characterized by , at
    - the lattice rods are positioned in relation to each other and to a median plane through the lattice element, and that
    - the grid bars have a greater extent in the direction across the plane of the grid element than in the direction along the plane of the grid element, and
    - at least the sides of the lattice rods oriented across the plane of the lattice element have a rounded shape.
    [2]
    Grating element according to claim 1, characterized in that the grating rods between the first and second side frame members are connected to at least one cross connection.
    [3]
    Grating element according to claim 2, characterized in that the cross-links form a zigzag pattern.
    [4]
    Grating element according to any one of the preceding claims, characterized in that the grating element is made of a composite plastic material.
    Grating element according to claim 4, characterized in that the composite plastic material comprises glass fibers.
    Grating element according to any one of the preceding claims, characterized in that the grating element is manufactured as a single element.
    Grating element according to any of the preceding claims, characterized in that at least 60% of the side area of the grating element consists of the grating openings.
    Grating element according to any of the preceding claims, characterized in that the first and second side frame members comprise mounting holes to which brackets can be attached.
    DK 2018 70572 A1
    Grid element according to any one of the preceding claims, characterized in that all edges, all corners and all transitions between individual sub-elements of the grating are rounded, so that there are no sharp edges on the grating element.
    [5]
    Use of a lattice element according to any of the preceding claims as a partition between paths in an animal shed, preferably a pig shed.
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    同族专利:
    公开号 | 公开日
    WO2020048575A1|2020-03-12|
    DK180420B1|2021-04-22|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    GB1065140A|1965-03-12|1967-04-12|John Henry Black|Improvements in or relating to open-work fencing structures|
    US4145032A|1977-03-25|1979-03-20|Robertson Larry L|Livestock gate|
    US20050161002A1|2003-12-18|2005-07-28|Robinson Wayne G.|Safe stall grill enclosure system|
    WO2005108706A1|2004-05-11|2005-11-17|Naldic Co., Ltd.|Fence-shaped panel|
    法律状态:
    2020-03-30| PAT| Application published|Effective date: 20200305 |
    2021-04-22| PME| Patent granted|Effective date: 20210422 |
    优先权:
    申请号 | 申请日 | 专利标题
    DKPA201870572A|DK180420B1|2018-09-04|2018-09-04|Lattice element for building a path|DKPA201870572A| DK180420B1|2018-09-04|2018-09-04|Lattice element for building a path|
    PCT/DK2019/050262| WO2020048575A1|2018-09-04|2019-09-04|Fence for constructing a pen|
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