WO2010126446A1 - Demountable flooring - Google Patents

Demountable flooring Download PDF

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Publication number
WO2010126446A1
WO2010126446A1 PCT/SE2010/050475 SE2010050475W WO2010126446A1 WO 2010126446 A1 WO2010126446 A1 WO 2010126446A1 SE 2010050475 W SE2010050475 W SE 2010050475W WO 2010126446 A1 WO2010126446 A1 WO 2010126446A1
Authority
WO
WIPO (PCT)
Prior art keywords
edge profile
bottom end
projection unit
edge
unit
Prior art date
Application number
PCT/SE2010/050475
Other languages
French (fr)
Inventor
Henrik Johansson
Lars Carlbom
Original Assignee
Mon.Zon Development Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mon.Zon Development Ab filed Critical Mon.Zon Development Ab
Publication of WO2010126446A1 publication Critical patent/WO2010126446A1/en

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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
    • E04H3/00—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
    • E04H3/10—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons for meetings, entertainments, or sports
    • E04H3/22—Theatres; Concert halls; Studios for broadcasting, cinematography, television or similar purposes
    • E04H3/24—Constructional features of stages
    • E04H3/28—Shiftable or portable platforms
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/15—Scaffolds primarily resting on the ground essentially comprising special means for supporting or forming platforms; Platforms
    • E04G1/151—Platforms made of wood, with or without reinforcements
    • 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
    • E04H3/00—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
    • E04H3/10—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons for meetings, entertainments, or sports
    • E04H3/22—Theatres; Concert halls; Studios for broadcasting, cinematography, television or similar purposes
    • E04H3/24—Constructional features of stages

Definitions

  • the present invention relates to an edge profile for connection of a decking member to a supporting frame in a demountable flooring construction, said edge profile having a top end, a bottom end and two side walls between the top end and the bottom end, and a first projection unit extending towards the bottom end of said edge profile and positioned at one of said side walls of said edge profile
  • the present invention also relates to an edge profile for connection of a decking member to a supporting frame in a demountable flooring construction, said edge profile having a top end, a bottom end and two side walls between the top end and the bottom end, and a first projection unit having a longitudinal direction y, a height direction z and a width direction x, an outer side wall and an inner side wall and extending towards the bottom end of said edge profile, said first projection unit being positioned at one of said side walls of said edge profile Fuithermore, the invention relates to a building such as podium, staging, platform, or the like
  • demountable flooring for podium, staging, platform, or the like, at e g permanent or temporary entertainment venues including sports stadiums, sport halls and indoor and outdoor facilities
  • a system of structural components for demountable flooring comprising vertical posts, stringer supports releasably connected to the vertical posts, usually rectangular decking members, edge profiles having one projection unit, wherein the edge profiles are attached to the decking members, and corner units
  • the projection unit is necessary for attachment of the edge profile to the stringer support, but such a design renders an edge profile with diminished load capacity
  • different more rigid edge profiles having no projection units are attached to the long sides of the decking member while the short sides of the decking member have edge profiles with one projection unit
  • Such a construction is expensive and time-consuming to assemble
  • the rigid edge profiles of prior art do not have any projection units, it is not possible to attach additional structural elements to such edge profiles, which means that systems of structural components for demountable flooring available on the market are less flexible
  • Demountable flooring usually comprises a plurality of flooring elements comprising decking members of manageable dimensions, positioned next to each other in an edge- to-edge manner to form a continuous flooring structure having a large area
  • vertical shifts of the adjacent flooring parts in relation to each other may occur Such shifts are undesirable since they cause an edge to rise between the adjacent flooring elements, which may be an obstacle for example when wagons are moved across the flooring
  • demountable flooring available on the market it is thus required that the assemblers walk in under the podium, staging, platform, or the like to be able to connect the parts of the flooring structure to each other in order to prevent the vertical shifts
  • Such an operation is time- consuming, tiresome, and sometimes dangerous
  • there is a need for improved demountable flooring which would eliminate the need to connect the flooring parts together by walking in under the flooring structure
  • the present invention thus provides a system of structural components for demountable flooring which substantially eliminates the problems associated with the systems of structural components of similar type described in prior art Accordingly, it is an object of the present invention to provide a more versatile edge profile having high rigidity It is also an object of the invention to offer a flexible system of construction elements for demountable flooring without the disadvantages of such systems previously known
  • An edge profile according to one of the aspects of the present invention may be used for connection of a decking member to a supporting frame in a demountable flooring construction
  • the supporting frame may comprise a plurality of stringer supports having a top end and a bottom end, connected to vertical posts at the bottom ends and provided with upwardly open U-shaped profiles at the top ends
  • the edge profile has a top end, a bottom end and two side walls between the top end and the bottom end
  • a first projection unit extends towards the bottom end of said edge profile and is positioned at one of said side walls of said edge profile
  • the edge profile according to the present invention further comprises at least one second projection unit extending towards the bottom end of said edge profile and positioned at a distance from said first projection unit so that the first and second projection units define a substantially U-shaped cavity therebetween
  • the U-shaped cavity is adapted to receive a protrusion element when the edge profile is connected to the supporting frame, and/or when reinforcing structural elements are connected to the edge profile
  • the U-shaped cavity enables connection of additional reinforcing construction elements such as U-shaped beams when the flooring needs to be able to bear heavy loads
  • One of the advantages of having more than one projection unit is that an edge profile with increased load capacity is obtained compared to an edge profile having only one projection unit
  • An edge profile according to another aspect of the present invention has a top end, a bottom end and two side walls between the top end and the bottom end
  • a first projection unit having a longitudinal direction y, a height direction z and a width direction x, an outer side wall and an inner side wall extends towards the bottom end of said edge profile and is positioned at one of said side walls of said edge profile
  • the angle ⁇ between the inner side wall at the bottom end of said first projection unit and said width direction x of said projection unit is less than 90°, preferably less than 80°
  • the magnitude of the angle ⁇ depends on the inclination degree desired
  • the projection unit comprises a substantially vertical outer side wall, and an inner side wall comprising a substantially vertical part at the top end and a substantially diagonal part at the bottom end
  • the edge profile according to said aspect of the invention may further comprise at least one second projection unit extending towards the bottom end of said edge profile and positioned at a distance from said first projection unit, and in that said first and second projection units define a substantially U-shaped cavity therebetween
  • the U-shaped cavity is adapted to receive a protrusion element when the edge profile is connected to the supporting frame and/or when reinforcing structural elements are connected to the edge profile
  • the U-shaped cavity enables connection of additional reinforcing construction elements such as U-shaped beams when the flooring needs to be able to bear heavy loads
  • One of the advantages of having more than one projection unit is that an edge profile with increased load capacity is obtained compared to an edge profile having only one projection unit
  • the top end of the edge profile may be provided with a protrusion positioned at the same side wall as the first projection unit
  • the protrusion is adapted to be in contact with a decking member attached to the edge profile
  • the edge profile may further comprise at least one substantially T-shaped groove According to one of the embodiments, the edge profile comprises two substantially T- shaped grooves, one in each of the side walls The T-shaped grooves are adapted to receive means for connection of plurality of edge profiles, for attachment of crossbars, and/or for connection of the edge profiles to the stringer supports
  • the edge profile may further comprise a continuous cavity positioned at the top end of said edge profile
  • the cavity is adapted to receive a means for connection of a plurality of edge profiles, such as a corner unit
  • the first and/or said second projection units may be hollow chambers Furthermore, additional continuous cavities may be provided at appropriate positions of the edge profile in order to obtain as light a profile as possible
  • the edge profile according to the present invention may be manufactured of aluminium, steel, plastic, or any other material suitable for the purpose
  • the edge profile may be manufactured by extrusion
  • a system comprises vertical posts having a longitudinal direction, wherein each of said vertical posts comprises at least one post connection unit arranged in a predetermined grid pattern in the longitudinal direction of said vertical post
  • the vertical posts may be tubular construction beams
  • the system also comprises stringer supports, each having at least one stringer support connection unit for releasable connection to a corresponding post connection unit Such a connection of stringer supports to vertical posts is well known to a person skilled in the art and may be modified in any suitable manner
  • the stringer supports may be extruded aluminium profiles
  • the system further comprises at least one decking member having longitudinal side edges and transverse side edges
  • the decking member may be manufactured of plywood or any other suitable material
  • the system further comprises at least one edge profile attached to one of said side edges of said decking member
  • the edge profile is also attached to one of said stringer supports
  • the edge profile has a top end, a bottom end and two side walls between the top end and the bottom end, and a first projection unit extending towards the bottom end of said edge profile
  • the first projection unit is positioned at one of said side walls of said edge profile
  • the edge profile also comprises at least one second projection unit extending towards the bottom end of said edge profile and positioned at a distance from said first projection unit and in that said first and second projection units define a substantially U-shaped cavity therebetween
  • the U-shaped cavity is adapted to receive a protrusion element when the edge profile is connected to the stringer support, and/or when reinforcing structural elements are connected to the edge profile
  • the U-shaped cavity enables connection of additional reinforcing construction elements such as U- shaped beams when the flooring needs to be able to bear heavy loads
  • the width of the first and the second projection units is adapted to provide a close fit inside the stringer support to which the edge profile is attached It will be apparent to the person skilled in the art that the edge profile according to the present invention can be manufactured having projection units of various widths depending on the dimension of stringer supports to be used together with the edge profile according to the present invention
  • the top end of the edge profile may be provided with a protrusion positioned at the same side wall as the first projection unit
  • the protrusion is adapted to be in contact with a decking member attached to the edge profile
  • the edge profile may further comprise at least one substantially T-shaped groove According to one of the embodiments, the edge profile comprises two substantially T- shaped grooves, one in each of the side walls The T-shaped grooves are adapted to receive means for connection of plurality of edge profiles, for attachment of crossbars, and/or for connection of the edge profiles to the stringer supports
  • the edge profile may further comprise a continuous cavity positioned at the top end of said edge profile
  • the cavity is adapted to receive a means for connection of a plurality of edge profiles, such as a corner unit
  • the first and/or said second projection units may be hollow chambers.
  • additional continuous cavities may be provided at appropriate positions of the edge profile in order to obtain as light a profile as possible.
  • the edge profile according to the present invention may be manufactured of aluminium, steel, plastic, or any other material suitable for the purpose.
  • the edge profile may be manufactured by extrusion.
  • the system also comprises a plurality of corner units attached to said edge profiles and to said decking member.
  • each terminal ends of each corner unit is inserted into the continuous cavity at the top end of the edge profile.
  • the corner units are secured inside the edge profiles by fastening means, such as rivets.
  • four edge profiles and four corner units form a supporting frame.
  • a decking member is positioned on the frame so that the protrusions at the top ends of said edge profiles are in contact with the side edges of the decking member.
  • the decking member is secured to the frame by fastening means, such as rivets, screws, nails, glue or any other fastening means suitable for the purpose.
  • a flooring element is thus obtained.
  • the flooring element is then attached to the stringer supports, which in turn are connected to the vertical posts so that a frame of stringer supports is formed.
  • the dimensions of the decking member, the supporting frame and the stringer support frame may be varied, but the dimensions should be mutually adapted.
  • a system comprises vertical posts having a longitudinal direction, wherein each of said vertical posts comprises at least one post connection unit arranged in a predetermined grid pattern in the longitudinal direction of said vertical post.
  • the vertical posts may be tubular construction beams.
  • the system also comprises stringer supports, each having at least one stringer support connection unit for releasable connection to a corresponding post connection unit.
  • stringer supports may be extruded aluminium profiles.
  • the system further comprises at least one decking member having longitudinal side edges and transverse side edges The decking member may be manufactured of plywood or any other suitable material
  • the system further comprises at least one edge profile attached to one of said side edges of said decking member
  • the edge profile is also attached to one of said stringer supports
  • the edge profile has a top end, a bottom end and two side walls between the top end and the bottom end
  • the edge profile also has a first projection unit having a longitudinal direction y, a height direction z and a width direction x, an outer side wall and an inner side wall
  • the first projection unit extends towards the bottom end of said edge profile and is positioned at one of said side walls of said edge profile
  • the angle ⁇ between the inner side wall at the bottom end of said first projection unit and said width direction x of said projection unit is less than 90°, preferably less than 80°
  • the projection unit comprises a substantially vertical outer side wall, and an inner side wall comprising a substantially vertical part at the top end and a substantially diagonal part at the bottom end
  • edge profile of the present invention when the edge profile of the present invention is attached to the supporting frame by positioning the fust projection unit inside said upwardly open U-shaped cavity at the top end of the stringer support, it is possible to obtain a flooring surface with an inclination T he maximal inclination is provided when the diagonal part of the inner side wall at the bottom end is brought into contact with one of the legs of the U at the top end of said stringer support It is also possible to obtain a lower degree of inclination by letting only a part of the diagonal part of the inner side wall at the bottom end to be in contact with the leg of the U Further, it is possible to provide inclination by bringing the diagonal part of the inner side wall into contact with the bottom surface of the U
  • One of the advantages of the edge profile according to the present invention is that the same profile can be used both for flat and inclined flooring When inclined flooring is desired, it is easily achieved by minor adjustment of the positioning of the edge profile
  • the width of the first projection unit is adapted to allow a sufficient manoeuvring space inside the stringer support to which the edge profile is attached
  • the edge profile according to said aspect of the invention may further comprise at least one second projection unit extending towards the bottom end of said edge profile and positioned at a distance from said first projection unit, and in that said first and second projection units define a substantially U-shaped cavity therebetween
  • the U-shaped cavity 5 is adapted to receive a protrusion element when the edge profile is connected to the supporting frame and/or when reinforcing structural elements are connected to the edge profile
  • the U-shaped cavity enables connection of additional reinforcing construction elements such as U-shaped beams when the flooring needs to be able to bear heavy loads
  • One of the advantages of having more than one projection unit is that an edge 10 profile with increased load capacity is obtained compared to an edge profile having only
  • the system further comprises a plurality of corner units attached to said edge profiles and to said decking member
  • the system is assembled in the same manner as described above
  • each decking member may be attached to a plurality of identical edge profiles
  • crossbats depends on the dimensions of the decking member
  • One or more crossbars may be attached between two oppositely positioned edge profiles in order to ptovide the decking member with additional load strength
  • the system may further comprise at least one stabilisation unit
  • the stabilisation unit may be T-shaped
  • the stabilisation unit is inserted into one of the T-shaped grooves at one of said side walls of said edge profile so that the leg of the T extends outwardly from the T-shaped groove
  • the stabilisation unit may be secured inside the T-shaped groove
  • the extending leg is then positioned inside the T-shaped groove of an adjacent 30 edge profile
  • Two adjacent edge profiles are thus connected in such a manner that vertical shifts of the adjacent decking members in relation to each other are prevented Such shifts may arise when the adjacent decking members are experiencing different load stress
  • the stabilisation unit prevents displacement of each one of the decking members attached to a supporting frame and being a part of a flooring structure, for instance under influence of wind.
  • One of the advantages of the stabilization unit is that the system may be assembled without the need to walk in under the flooring structure, which means quick, ergonomic and safe assembly.
  • the system of structural components may further comprise at least one reinforcing structural element.
  • the reinforcing structural element may be a U-shaped profile.
  • the reinforcing structural element may be attached to vertical struts which in turn are attached to the rest of the system.
  • the U-shaped cavity of the edge profile receives one of the protrusions of the U-shaped profile.
  • the system of structural components according to the present invention may be used in a building such as podium, staging, platform, or the like, at permanent or temporary entertainment venues including sports stadiums, sport halls and indoor and outdoor facilities.
  • Figure 1 shows an edge profile for connection of a decking member to a supporting frame
  • Figure 2 shows an edge profile for obtaining a flooring with inclined parts
  • Figure 3 is an exploded view of a decking member and a supporting frame comprising edge profiles of the present invention
  • Figure 4 illustrates a system of structural components according to the present invention when the system is assembled
  • Figures 5-7 is a step-by-step view of the assembling process
  • Figure 8 is a side view of the system of structural components according to the present invention
  • Figure 9 represents a cross-sectional view of two edge profiles connected to each other, with a stabilization unit between the edge profiles;
  • Figure 10 illustrates an inclined demountable flooring
  • Figure 11 is a detailed drawing of the inclined demountable flooring
  • Figure 12 shows reinforcement of the demountable flooring
  • Figure 13 shows a staging with a reinforced part in the middle.
  • Fig. 1 shows an edge profile 1 for connection of a decking member 2 to a supporting frame in a demountable flooring construction.
  • the edge profile 1 has a top end, a bottom end and two side walls between the top end and the bottom end, and a first projection unit 3 extending towards the bottom end of said edge profile 1 and positioned at one of said side walls of said edge profile 1.
  • the edge profile 1 further comprises a second projection unit 4 extending towards the bottom end of said edge profile 1 and positioned at a distance from said first projection unit 3 so that the first and second projection units define a substantially U-shaped cavity 5 therebetween.
  • One of the advantages of the edge profile having a second projection unit is that such an edge profile tolerates greater load stress compared to the edge profile having only one projection unit.
  • the edge profile 1 comprises a first and second substantially T-shaped grooves 9, 1 1 positioned at each side wall of the edge profile 1.
  • the first T-shaped groove 9 may accommodate a stabilisation unit, and the second T-shaped groove 1 1 is adapted to receive a crossbar, or a locking device for securing the edge profile 1 to a stringer support.
  • the edge profile 1 further comprises a continuous cavity 12 positioned at the top end of said edge profile 1.
  • the cavity 12 is adapted to receive a corner unit 18 when a plurality of edge profiles is assembled to form a supporting frame.
  • Fig. 2 shows an edge profile 10 for connection of a decking member 2 to a supporting frame in a demountable flooring construction.
  • the edge profile 10 has a top end, a bottom end and two side walls between the top end and the bottom end.
  • the edge profile 10 also has a first projection unit 6 having a longitudinal direction y, a height direction z and a width direction x, an outer side wall 7 and an inner side wall 8.
  • the first projection unit 6 extends towards the bottom end of the edge profile 10 and is positioned at one of said side walls of said edge profile 10.
  • the angle ⁇ between the inner side wall 8 at the bottom end of said first projection unit 6 and said width direction x of said projection unit 6 is approximately 60°.
  • the projection unit 6 comprises a substantially vertical outer side wall 7, and an inner side wall 8 comprising a substantially vertical part 24 at the top end and a substantially diagonal part 25 at the bottom end.
  • the edge profile 10 comprises a first and second substantially T-shaped grooves 9, 1 1 positioned at each side wall of the edge profile 1.
  • the first T-shaped groove 9 may accommodate a stabilisation unit, and the second T-shaped groove 1 1 is adapted to receive a crossbar, or a locking device for securing the edge profile 10 to a stringer support.
  • the edge profile 10 further comprises a continuous cavity 12 positioned at the top end of said edge profile 10.
  • the cavity 12 is adapted to receive a corner unit 18 when a plurality of edge profiles is assembled to form a supporting frame.
  • the first projection unit 6 is a hollow chamber. Further, a first and a second additional cavities 22, 23 are present in order to obtain as light a profile as possible.
  • Fig. 3 illustrates how the edge profiles are assembled to form a supporting frame.
  • the supporting frame according to one embodiment comprises two edge profiles 1 , two edge profiles 10, four corner units 18, four corner protection units 26, a stabilization unit 20, four crossbars 19, and a decking member 2.
  • the terminal ends of each corner unit 18 are inserted into the continuous cavities 12 at the top ends of the edge profiles 1 , 10.
  • the corner units 18 are secured inside the edge profiles 1 , 10 by fastening means, such as rivets.
  • the crossbars 19 are attached to the oppositely positioned edge profiles 1 by positioning hooks at the terminal ends of the crossbars 19 inside the second T-shaped grooves 1 1 at the edge profiles 1
  • the decking member 2 is positioned on the frame and secured to the frame and to the crossbars 19 by rivets Thus, a flooring element 27 is obtained
  • the corner protection units 26 are attached to the corners of the flooring element 27
  • a system of structural components 13 for demountable flooring according to one embodiment is shown in Fig 4
  • the system 13 comprises four vertical posts 14 having a longitudinal direction, wherein each of said vertical posts 14 comprises three post connection units 15 arranged in a predetermined grid pattern in the longitudinal direction of said vertical post 14
  • the system 13 also comprises four diagonal struts 28 for additional stability
  • the system 13 further comprises four stringer supports 16, each having two stringer support connection units 17 for releasable connection to a corresponding post connection unit 15
  • the system 13 also comprises two flooring elements 27
  • the flooring elements 27 are attached to stringer supports 16, which in turn are connected to the vertical posts 14 so that a frame of stringer supports 14 is formed
  • the dimensions of the decking member, the supporting frame and the stringer support frame are mutually adapted
  • Figs 5-7 show the steps of the assembling of the system 13 comprising two flooring elements 27 As illustrated in Fig 5, the first flooring element is attached to the stringer supports 16 The edge profile of the second flooring element compiising a substantially T shaped stabilization unit 20 is brought in proximity to the first flooring element As shown in Fig 6, the stabilization unit 20 is inserted into the first T-shaped groove 9 at the edge profile of the first flooring element The second flooring element is pushed towards the first flooring element so that the edge profiles of the first and the second flooring elements facing each other are in contact with each other Finally, the second flooring element is pushed downwards so that the edge profile opposite to the edge profile being in contact with the first flooring element becomes attached to a corresponding stringer support
  • Fig 8 is a side view of the system 13, wherein it is shown how the stabilization unit 20 is positioned between the flooring elements The stabilisation unit 20 is even shown in details in Fig 9
  • the substantially T-shaped stabilisation unit 20 is inserted into the first T- shaped groove 9 of the first edge profile 1 of the first flooring element 27 so that the leg 29 of the T extends outwardly from the first T-shaped groove 9
  • the stabilisation unit 20 is secured inside the first T-shaped groove by means of two set screws
  • the outwardly extending leg 29 is then positioned inside the fust T-shaped groove 9 of an adjacent edge profile 1.
  • Two adjacent edge profiles are thus connected in such a manner that vertical shifts of the adjacent decking members in relation to each other are prevented. Such shifts may arise when the adjacent decking members are experiencing different load stress.
  • the stabilisation unit prevents displacement of each one of the decking members attached to a supporting frame and being a part of a flooring structure, for instance under influence of wind.
  • Fig. 10 shows two flooring elements forming a flooring that is partially inclined.
  • the details of the inclined flooring are illustrated in Fig. 11.
  • Each flooring element comprises two edge profiles 1 provided with a stabilization unit 20 and two edge profiles 10, attached to the stringer support 16.
  • the edge profiles 10 are attached to the stringer support 16 by positioning the first projection unit 6 inside the upwardly open U-shaped cavity at the top end of the stringer support 16, it is possible to obtain an inclined flooring surface.
  • the inclination is provided when the substantially vertical part 24 at the top end of the inner side wall of the projection unit 6 or a substantially diagonal part 25 at the bottom end of the inner side wall of the projection unit 6 is brought into contact with one of the legs of the U at the top end of said stringer support 16.
  • Fig. 12 shows an embodiment of the present invention where the staging is reinforced.
  • a system of structural components 30 comprises four vertical posts 14, two vertical struts 31 and six diagonal struts 28 for additional stability.
  • the system 30 further comprises six stringer supports 16, and four flooring elements 27.
  • the system 30 comprises an additional reinforcing structural element 21 , positioned between the vertical struts 31.
  • the flooring elements are attached to the stringer supports 16 and to the reinforcing element 21 in the same manner as previously.
  • Fig. 13 shows an overview of an assembled staging comprising a plurality of flooring elements, wherein the central part has been reinforced as described above.

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Abstract

An edge profile (1) for connection of a decking member (2) to a supporting frame in a demountable flooring construction is provided. Said edge profile (1) has a top end, a bottom end and two side walls between the top end and the bottom end. A first projection unit (3) extends towards the bottom end of said edge profile (1) and is positioned at one of said side walls of said edge profile (1). Said edge profile (1) further comprises at least one second projection unit (4) extending towards the bottom end of said edge profile (1) and positioned at a distance from said first projection unit (3). The first and second projection units define a substantially U-shaped cavity (5) there between.

Description

DEMOUNTABLE FLOORING TECHNICAL FIELD
The present invention relates to an edge profile for connection of a decking member to a supporting frame in a demountable flooring construction, said edge profile having a top end, a bottom end and two side walls between the top end and the bottom end, and a first projection unit extending towards the bottom end of said edge profile and positioned at one of said side walls of said edge profile
The present invention also relates to an edge profile for connection of a decking member to a supporting frame in a demountable flooring construction, said edge profile having a top end, a bottom end and two side walls between the top end and the bottom end, and a first projection unit having a longitudinal direction y, a height direction z and a width direction x, an outer side wall and an inner side wall and extending towards the bottom end of said edge profile, said first projection unit being positioned at one of said side walls of said edge profile Fuithermore, the invention relates to a building such as podium, staging, platform, or the like
BACKGROUND OF THE INVENTION
It is sometimes desirable to provide demountable flooring for podium, staging, platform, or the like, at e g permanent or temporary entertainment venues including sports stadiums, sport halls and indoor and outdoor facilities It is known in the art to use a system of structural components for demountable flooring, comprising vertical posts, stringer supports releasably connected to the vertical posts, usually rectangular decking members, edge profiles having one projection unit, wherein the edge profiles are attached to the decking members, and corner units The projection unit is necessary for attachment of the edge profile to the stringer support, but such a design renders an edge profile with diminished load capacity In order to increase the load capacity of the flooring structure, different more rigid edge profiles having no projection units are attached to the long sides of the decking member while the short sides of the decking member have edge profiles with one projection unit Such a construction is expensive and time-consuming to assemble Furthermore, since the rigid edge profiles of prior art do not have any projection units, it is not possible to attach additional structural elements to such edge profiles, which means that systems of structural components for demountable flooring available on the market are less flexible and adaptable to different purposes than desired
Demountable flooring usually comprises a plurality of flooring elements comprising decking members of manageable dimensions, positioned next to each other in an edge- to-edge manner to form a continuous flooring structure having a large area When the adjacent flooring parts are subjected to different load stress, vertical shifts of the adjacent flooring parts in relation to each other may occur Such shifts are undesirable since they cause an edge to rise between the adjacent flooring elements, which may be an obstacle for example when wagons are moved across the flooring When demountable flooring available on the market is assembled, it is thus required that the assemblers walk in under the podium, staging, platform, or the like to be able to connect the parts of the flooring structure to each other in order to prevent the vertical shifts Such an operation is time- consuming, tiresome, and sometimes dangerous Thus there is a need for improved demountable flooring which would eliminate the need to connect the flooring parts together by walking in under the flooring structure
SUMMARY OF THE INVENTION
The present invention thus provides a system of structural components for demountable flooring which substantially eliminates the problems associated with the systems of structural components of similar type described in prior art Accordingly, it is an object of the present invention to provide a more versatile edge profile having high rigidity It is also an object of the invention to offer a flexible system of construction elements for demountable flooring without the disadvantages of such systems previously known
It is one aspect of the invention to provide a system of structural components for demountable flooring comprising an edge profile according to the present invention, wherein said system is easy to assemble and dissemble, wherein the structure of said edge profile enables connection of additional construction elements where reinforced flooring is desnable, and/or wherein the structure of said edge profile allows to create inclined parts of the flooring An edge profile according to one of the aspects of the present invention may be used for connection of a decking member to a supporting frame in a demountable flooring construction The supporting frame may comprise a plurality of stringer supports having a top end and a bottom end, connected to vertical posts at the bottom ends and provided with upwardly open U-shaped profiles at the top ends
The edge profile has a top end, a bottom end and two side walls between the top end and the bottom end A first projection unit extends towards the bottom end of said edge profile and is positioned at one of said side walls of said edge profile The edge profile according to the present invention further comprises at least one second projection unit extending towards the bottom end of said edge profile and positioned at a distance from said first projection unit so that the first and second projection units define a substantially U-shaped cavity therebetween The U-shaped cavity is adapted to receive a protrusion element when the edge profile is connected to the supporting frame, and/or when reinforcing structural elements are connected to the edge profile The U-shaped cavity enables connection of additional reinforcing construction elements such as U-shaped beams when the flooring needs to be able to bear heavy loads One of the advantages of having more than one projection unit is that an edge profile with increased load capacity is obtained compared to an edge profile having only one projection unit
An edge profile according to another aspect of the present invention has a top end, a bottom end and two side walls between the top end and the bottom end A first projection unit having a longitudinal direction y, a height direction z and a width direction x, an outer side wall and an inner side wall extends towards the bottom end of said edge profile and is positioned at one of said side walls of said edge profile According to the present invention, the angle α between the inner side wall at the bottom end of said first projection unit and said width direction x of said projection unit is less than 90°, preferably less than 80° The magnitude of the angle α depends on the inclination degree desired In other words, according to one of the embodiments of the present invention, the projection unit comprises a substantially vertical outer side wall, and an inner side wall comprising a substantially vertical part at the top end and a substantially diagonal part at the bottom end
The edge profile according to said aspect of the invention may further comprise at least one second projection unit extending towards the bottom end of said edge profile and positioned at a distance from said first projection unit, and in that said first and second projection units define a substantially U-shaped cavity therebetween The U-shaped cavity is adapted to receive a protrusion element when the edge profile is connected to the supporting frame and/or when reinforcing structural elements are connected to the edge profile The U-shaped cavity enables connection of additional reinforcing construction elements such as U-shaped beams when the flooring needs to be able to bear heavy loads One of the advantages of having more than one projection unit is that an edge profile with increased load capacity is obtained compared to an edge profile having only one projection unit
The top end of the edge profile may be provided with a protrusion positioned at the same side wall as the first projection unit The protrusion is adapted to be in contact with a decking member attached to the edge profile
The edge profile may further comprise at least one substantially T-shaped groove According to one of the embodiments, the edge profile comprises two substantially T- shaped grooves, one in each of the side walls The T-shaped grooves are adapted to receive means for connection of plurality of edge profiles, for attachment of crossbars, and/or for connection of the edge profiles to the stringer supports
The edge profile may further comprise a continuous cavity positioned at the top end of said edge profile The cavity is adapted to receive a means for connection of a plurality of edge profiles, such as a corner unit
In order to reduce the weight of the edge profile, the first and/or said second projection units may be hollow chambers Furthermore, additional continuous cavities may be provided at appropriate positions of the edge profile in order to obtain as light a profile as possible The edge profile according to the present invention may be manufactured of aluminium, steel, plastic, or any other material suitable for the purpose The edge profile may be manufactured by extrusion
It is another aspect of the invention to provide a system of structural components for demountable flooring Such a system comprises vertical posts having a longitudinal direction, wherein each of said vertical posts comprises at least one post connection unit arranged in a predetermined grid pattern in the longitudinal direction of said vertical post The vertical posts may be tubular construction beams
The system also comprises stringer supports, each having at least one stringer support connection unit for releasable connection to a corresponding post connection unit Such a connection of stringer supports to vertical posts is well known to a person skilled in the art and may be modified in any suitable manner The stringer supports may be extruded aluminium profiles The system further comprises at least one decking member having longitudinal side edges and transverse side edges The decking member may be manufactured of plywood or any other suitable material
The system further comprises at least one edge profile attached to one of said side edges of said decking member The edge profile is also attached to one of said stringer supports The edge profile has a top end, a bottom end and two side walls between the top end and the bottom end, and a first projection unit extending towards the bottom end of said edge profile The first projection unit is positioned at one of said side walls of said edge profile The edge profile also comprises at least one second projection unit extending towards the bottom end of said edge profile and positioned at a distance from said first projection unit and in that said first and second projection units define a substantially U-shaped cavity therebetween The U-shaped cavity is adapted to receive a protrusion element when the edge profile is connected to the stringer support, and/or when reinforcing structural elements are connected to the edge profile The U-shaped cavity enables connection of additional reinforcing construction elements such as U- shaped beams when the flooring needs to be able to bear heavy loads
The width of the first and the second projection units is adapted to provide a close fit inside the stringer support to which the edge profile is attached It will be apparent to the person skilled in the art that the edge profile according to the present invention can be manufactured having projection units of various widths depending on the dimension of stringer supports to be used together with the edge profile according to the present invention
The top end of the edge profile may be provided with a protrusion positioned at the same side wall as the first projection unit The protrusion is adapted to be in contact with a decking member attached to the edge profile
The edge profile may further comprise at least one substantially T-shaped groove According to one of the embodiments, the edge profile comprises two substantially T- shaped grooves, one in each of the side walls The T-shaped grooves are adapted to receive means for connection of plurality of edge profiles, for attachment of crossbars, and/or for connection of the edge profiles to the stringer supports
The edge profile may further comprise a continuous cavity positioned at the top end of said edge profile The cavity is adapted to receive a means for connection of a plurality of edge profiles, such as a corner unit In order to reduce the weight of the edge profile, the first and/or said second projection units may be hollow chambers. Furthermore, additional continuous cavities may be provided at appropriate positions of the edge profile in order to obtain as light a profile as possible.
The edge profile according to the present invention may be manufactured of aluminium, steel, plastic, or any other material suitable for the purpose. The edge profile may be manufactured by extrusion.
The system also comprises a plurality of corner units attached to said edge profiles and to said decking member. When the system is assembled, each terminal ends of each corner unit is inserted into the continuous cavity at the top end of the edge profile. The corner units are secured inside the edge profiles by fastening means, such as rivets. According to one embodiment, four edge profiles and four corner units form a supporting frame. A decking member is positioned on the frame so that the protrusions at the top ends of said edge profiles are in contact with the side edges of the decking member. The decking member is secured to the frame by fastening means, such as rivets, screws, nails, glue or any other fastening means suitable for the purpose. A flooring element is thus obtained. The flooring element is then attached to the stringer supports, which in turn are connected to the vertical posts so that a frame of stringer supports is formed. The dimensions of the decking member, the supporting frame and the stringer support frame may be varied, but the dimensions should be mutually adapted.
It is another aspect of the invention to provide a system of structural components for demountable flooring where inclined flooring surfaces may be desired. Such a system comprises vertical posts having a longitudinal direction, wherein each of said vertical posts comprises at least one post connection unit arranged in a predetermined grid pattern in the longitudinal direction of said vertical post. The vertical posts may be tubular construction beams.
The system also comprises stringer supports, each having at least one stringer support connection unit for releasable connection to a corresponding post connection unit. Such a connection of stringer supports to vertical posts is well known to a person skilled in the art and may be modified in any suitable manner. The stringer supports may be extruded aluminium profiles. The system further comprises at least one decking member having longitudinal side edges and transverse side edges The decking member may be manufactured of plywood or any other suitable material
The system further comprises at least one edge profile attached to one of said side edges of said decking member The edge profile is also attached to one of said stringer supports The edge profile has a top end, a bottom end and two side walls between the top end and the bottom end The edge profile also has a first projection unit having a longitudinal direction y, a height direction z and a width direction x, an outer side wall and an inner side wall The first projection unit extends towards the bottom end of said edge profile and is positioned at one of said side walls of said edge profile Further, the angle α between the inner side wall at the bottom end of said first projection unit and said width direction x of said projection unit is less than 90°, preferably less than 80° In other words, according to one of the embodiments of the present invention, the projection unit comprises a substantially vertical outer side wall, and an inner side wall comprising a substantially vertical part at the top end and a substantially diagonal part at the bottom end
Accordingly, when the edge profile of the present invention is attached to the supporting frame by positioning the fust projection unit inside said upwardly open U-shaped cavity at the top end of the stringer support, it is possible to obtain a flooring surface with an inclination T he maximal inclination is provided when the diagonal part of the inner side wall at the bottom end is brought into contact with one of the legs of the U at the top end of said stringer support It is also possible to obtain a lower degree of inclination by letting only a part of the diagonal part of the inner side wall at the bottom end to be in contact with the leg of the U Further, it is possible to provide inclination by bringing the diagonal part of the inner side wall into contact with the bottom surface of the U One of the advantages of the edge profile according to the present invention is that the same profile can be used both for flat and inclined flooring When inclined flooring is desired, it is easily achieved by minor adjustment of the positioning of the edge profile
The width of the first projection unit is adapted to allow a sufficient manoeuvring space inside the stringer support to which the edge profile is attached It will be apparent to the person skilled in the art that the edge profile according to the present invention can be manufactured having projection units of various widths depending on the dimension of stringer supports to be used together with the edge profile according to the present invention The edge profile according to said aspect of the invention may further comprise at least one second projection unit extending towards the bottom end of said edge profile and positioned at a distance from said first projection unit, and in that said first and second projection units define a substantially U-shaped cavity therebetween The U-shaped cavity 5 is adapted to receive a protrusion element when the edge profile is connected to the supporting frame and/or when reinforcing structural elements are connected to the edge profile The U-shaped cavity enables connection of additional reinforcing construction elements such as U-shaped beams when the flooring needs to be able to bear heavy loads One of the advantages of having more than one projection unit is that an edge 10 profile with increased load capacity is obtained compared to an edge profile having only one projection unit
The system further comprises a plurality of corner units attached to said edge profiles and to said decking member The system is assembled in the same manner as described above
J 5 The system of structural components according to the present invention may be designed so that an edge profile may be attached to each side of said decking member In other words, each decking member may be attached to a plurality of identical edge profiles One of the advantages of such an embodiment of the present invention is that a flexible system is obtained, where the load strength of the flooring can be increased in a quick
?0 and easy manner by attachment of additional reinforcing construction elements
The number of crossbats depends on the dimensions of the decking member One or more crossbars may be attached between two oppositely positioned edge profiles in order to ptovide the decking member with additional load strength
In embodiment where the system of structural components comprises at least two decking 25 members, the system may further comprise at least one stabilisation unit The stabilisation unit may be T-shaped The stabilisation unit is inserted into one of the T-shaped grooves at one of said side walls of said edge profile so that the leg of the T extends outwardly from the T-shaped groove The stabilisation unit may be secured inside the T-shaped groove The extending leg is then positioned inside the T-shaped groove of an adjacent 30 edge profile Two adjacent edge profiles are thus connected in such a manner that vertical shifts of the adjacent decking members in relation to each other are prevented Such shifts may arise when the adjacent decking members are experiencing different load stress Furthermore, the stabilisation unit prevents displacement of each one of the decking members attached to a supporting frame and being a part of a flooring structure, for instance under influence of wind. One of the advantages of the stabilization unit is that the system may be assembled without the need to walk in under the flooring structure, which means quick, ergonomic and safe assembly.
When the flooring structure needs to be reinforced in order to be able to bear heavy loads the system of structural components may further comprise at least one reinforcing structural element. The reinforcing structural element may be a U-shaped profile. The reinforcing structural element may be attached to vertical struts which in turn are attached to the rest of the system. In such an embodiment, the U-shaped cavity of the edge profile receives one of the protrusions of the U-shaped profile. One of the advantages of such an embodiment is that the system is very flexible since the load strength of the flooring structure may quickly and easily be increased if necessary.
The system of structural components according to the present invention may be used in a building such as podium, staging, platform, or the like, at permanent or temporary entertainment venues including sports stadiums, sport halls and indoor and outdoor facilities.
BRIEF DESCRIPTION OF THE DRAWINGS
Embodiments of the invention will now be described by way of example with reference to the accompanying drawings, of which: Figure 1 shows an edge profile for connection of a decking member to a supporting frame; Figure 2 shows an edge profile for obtaining a flooring with inclined parts;
Figure 3 is an exploded view of a decking member and a supporting frame comprising edge profiles of the present invention;
Figure 4 illustrates a system of structural components according to the present invention when the system is assembled;
Figures 5-7 is a step-by-step view of the assembling process;
Figure 8 is a side view of the system of structural components according to the present invention; Figure 9 represents a cross-sectional view of two edge profiles connected to each other, with a stabilization unit between the edge profiles;
Figure 10 illustrates an inclined demountable flooring; Figure 11 is a detailed drawing of the inclined demountable flooring; Figure 12 shows reinforcement of the demountable flooring; Figure 13 shows a staging with a reinforced part in the middle. DETAILED DESCRIPTION OF EMBODIMENTS
Fig. 1 shows an edge profile 1 for connection of a decking member 2 to a supporting frame in a demountable flooring construction. The edge profile 1 has a top end, a bottom end and two side walls between the top end and the bottom end, and a first projection unit 3 extending towards the bottom end of said edge profile 1 and positioned at one of said side walls of said edge profile 1. The edge profile 1 further comprises a second projection unit 4 extending towards the bottom end of said edge profile 1 and positioned at a distance from said first projection unit 3 so that the first and second projection units define a substantially U-shaped cavity 5 therebetween. One of the advantages of the edge profile having a second projection unit is that such an edge profile tolerates greater load stress compared to the edge profile having only one projection unit. Further, the U-shaped cavity 5 enables further reinforcement of the flooring structure, which is described in details below. The edge profile 1 comprises a first and second substantially T-shaped grooves 9, 1 1 positioned at each side wall of the edge profile 1. The first T-shaped groove 9 may accommodate a stabilisation unit, and the second T-shaped groove 1 1 is adapted to receive a crossbar, or a locking device for securing the edge profile 1 to a stringer support. The edge profile 1 further comprises a continuous cavity 12 positioned at the top end of said edge profile 1. The cavity 12 is adapted to receive a corner unit 18 when a plurality of edge profiles is assembled to form a supporting frame.
In order to reduce the weight of the edge profile 1 , the first and the second projection units 3, 4 are hollow chambers. Further, a first additional cavity 22 is present in order to obtain as light a profile as possible. Fig. 2 shows an edge profile 10 for connection of a decking member 2 to a supporting frame in a demountable flooring construction. The edge profile 10 has a top end, a bottom end and two side walls between the top end and the bottom end. The edge profile 10 also has a first projection unit 6 having a longitudinal direction y, a height direction z and a width direction x, an outer side wall 7 and an inner side wall 8. The first projection unit 6 extends towards the bottom end of the edge profile 10 and is positioned at one of said side walls of said edge profile 10. Further, the angle α between the inner side wall 8 at the bottom end of said first projection unit 6 and said width direction x of said projection unit 6 is approximately 60°. In other words, according to one of the embodiments of the present invention, the projection unit 6 comprises a substantially vertical outer side wall 7, and an inner side wall 8 comprising a substantially vertical part 24 at the top end and a substantially diagonal part 25 at the bottom end. One of the advantages of the edge profile according to the present invention is that the same edge profile can be used both for flat and inclined flooring. When inclined flooring is desired, it is easily achieved by minor adjustment of the positioning of the edge profile.
The edge profile 10 comprises a first and second substantially T-shaped grooves 9, 1 1 positioned at each side wall of the edge profile 1. The first T-shaped groove 9 may accommodate a stabilisation unit, and the second T-shaped groove 1 1 is adapted to receive a crossbar, or a locking device for securing the edge profile 10 to a stringer support.
The edge profile 10 further comprises a continuous cavity 12 positioned at the top end of said edge profile 10. The cavity 12 is adapted to receive a corner unit 18 when a plurality of edge profiles is assembled to form a supporting frame.
In order to reduce the weight of the edge profile 10, the first projection unit 6 is a hollow chamber. Further, a first and a second additional cavities 22, 23 are present in order to obtain as light a profile as possible.
Fig. 3 illustrates how the edge profiles are assembled to form a supporting frame. The supporting frame according to one embodiment comprises two edge profiles 1 , two edge profiles 10, four corner units 18, four corner protection units 26, a stabilization unit 20, four crossbars 19, and a decking member 2. The terminal ends of each corner unit 18 are inserted into the continuous cavities 12 at the top ends of the edge profiles 1 , 10. The corner units 18 are secured inside the edge profiles 1 , 10 by fastening means, such as rivets. The crossbars 19 are attached to the oppositely positioned edge profiles 1 by positioning hooks at the terminal ends of the crossbars 19 inside the second T-shaped grooves 1 1 at the edge profiles 1 The decking member 2 is positioned on the frame and secured to the frame and to the crossbars 19 by rivets Thus, a flooring element 27 is obtained The corner protection units 26 are attached to the corners of the flooring element 27
A system of structural components 13 for demountable flooring according to one embodiment is shown in Fig 4 The system 13 comprises four vertical posts 14 having a longitudinal direction, wherein each of said vertical posts 14 comprises three post connection units 15 arranged in a predetermined grid pattern in the longitudinal direction of said vertical post 14 The system 13 also comprises four diagonal struts 28 for additional stability The system 13 further comprises four stringer supports 16, each having two stringer support connection units 17 for releasable connection to a corresponding post connection unit 15 The system 13 also comprises two flooring elements 27 The flooring elements 27 are attached to stringer supports 16, which in turn are connected to the vertical posts 14 so that a frame of stringer supports 14 is formed The dimensions of the decking member, the supporting frame and the stringer support frame are mutually adapted
Figs 5-7 show the steps of the assembling of the system 13 comprising two flooring elements 27 As illustrated in Fig 5, the first flooring element is attached to the stringer supports 16 The edge profile of the second flooring element compiising a substantially T shaped stabilization unit 20 is brought in proximity to the first flooring element As shown in Fig 6, the stabilization unit 20 is inserted into the first T-shaped groove 9 at the edge profile of the first flooring element The second flooring element is pushed towards the first flooring element so that the edge profiles of the first and the second flooring elements facing each other are in contact with each other Finally, the second flooring element is pushed downwards so that the edge profile opposite to the edge profile being in contact with the first flooring element becomes attached to a corresponding stringer support
Fig 8 is a side view of the system 13, wherein it is shown how the stabilization unit 20 is positioned between the flooring elements The stabilisation unit 20 is even shown in details in Fig 9 The substantially T-shaped stabilisation unit 20 is inserted into the first T- shaped groove 9 of the first edge profile 1 of the first flooring element 27 so that the leg 29 of the T extends outwardly from the first T-shaped groove 9 The stabilisation unit 20 is secured inside the first T-shaped groove by means of two set screws The outwardly extending leg 29 is then positioned inside the fust T-shaped groove 9 of an adjacent edge profile 1. Two adjacent edge profiles are thus connected in such a manner that vertical shifts of the adjacent decking members in relation to each other are prevented. Such shifts may arise when the adjacent decking members are experiencing different load stress. Furthermore, the stabilisation unit prevents displacement of each one of the decking members attached to a supporting frame and being a part of a flooring structure, for instance under influence of wind.
Fig. 10 shows two flooring elements forming a flooring that is partially inclined. The details of the inclined flooring are illustrated in Fig. 11. Each flooring element comprises two edge profiles 1 provided with a stabilization unit 20 and two edge profiles 10, attached to the stringer support 16. When the edge profiles 10 are attached to the stringer support 16 by positioning the first projection unit 6 inside the upwardly open U-shaped cavity at the top end of the stringer support 16, it is possible to obtain an inclined flooring surface. The inclination is provided when the substantially vertical part 24 at the top end of the inner side wall of the projection unit 6 or a substantially diagonal part 25 at the bottom end of the inner side wall of the projection unit 6 is brought into contact with one of the legs of the U at the top end of said stringer support 16.
Fig. 12 shows an embodiment of the present invention where the staging is reinforced. In such an embodiment, a system of structural components 30 comprises four vertical posts 14, two vertical struts 31 and six diagonal struts 28 for additional stability. The system 30 further comprises six stringer supports 16, and four flooring elements 27. Furthermore, the system 30 comprises an additional reinforcing structural element 21 , positioned between the vertical struts 31. The flooring elements are attached to the stringer supports 16 and to the reinforcing element 21 in the same manner as previously. According to the embodiment shown in Fig. 12, a reinforced flooring structure is provided. Fig. 13 shows an overview of an assembled staging comprising a plurality of flooring elements, wherein the central part has been reinforced as described above.
While this invention has been described with reference to illustrative embodiments, this description is not intended to be construed in a limiting sense. Various modifications of the illustrative embodiments, as well as other embodiments of the invention, will be apparent to the person skilled in the art upon reference to this description. It is therefore contemplated that the appended claims will cover any such modifications or embodiments as fall within the true scope of the present invention.

Claims

1 An edge profile (1 ) for connection of a decking member (2) to a supporting frame in a demountable flooring construction, said edge profile (1 ) having a top end, a bottom end and two side walls between the top end and the bottom end, and a first projection unit (3) extending towards the bottom end of said edge profile (1 ) and positioned at one of said side walls of said edge profile (1 ), characterized in that said edge profile (1 ) further comprises at least one second projection unit (4) extending towards the bottom end of said edge profile (1 ) and positioned at a distance from said first projection unit (3), and in that said first and second projection units define a substantially U-shaped cavity (5) therebetween
2 An edge profile (10) for connection of a decking member (2) to a supporting frame in a demountable flooring construction, said edge profile (10) having a top end, a bottom end and two side walls between the top end and the bottom end, said edge profile (10) having a first projection unit (6) having a longitudinal direction y, a height direction z and a width direction x, an outer side wall (7) and an inner side wall (8) and extending towards the bottom end of said edge profile (10), said first projection unit (6) being positioned at one of said side walls of said edge profile (10), characterized in that the angle α between the inner side wall (8) at the bottom end of said first projection unit (6) and said width direction x of said projection unit (6) is less than 90°
3 The edge profile (10) according to claim 2, characterized in that that said edge profile (10) further comprises at least one second projection unit extending towards the bottom end of said edge profile (10) and positioned at a distance from said first projection unit (6), and in that said first and second projection units define a substantially U-shaped cavity therebetween
4 The edge profile (1 , 10) according to any one of the preceding claims, characterized in that said edge profile (1 , 10) further comprises a first and a second substantially T-shaped grooves (9, 1 1 ) positioned at one or both of said side walls of said edge profile (1 , 10)
5 The edge profile (1 , 10) according to any one of the preceding claims, characterized in that said edge profile (1 , 10) further comprises a continuous cavity (12) positioned at the top end of said edge profile (1 , 10)
6. The edge profile (1 , 10) according to any one of the preceding claims, characterized in that said first projection unit (3, 6) and/or said second projection (4) unit are hollow chambers.
7. A system of structural components (13) for demountable flooring, comprising: - vertical posts (14) having a longitudinal direction, wherein each of said vertical posts comprises at least one post connection unit (15) arranged in a predetermined grid pattern in the longitudinal direction of said vertical post (14);
- stringer supports (16), each having at least one stringer support connection unit (17) for releasable connection to a corresponding post connection unit (15); - at least one decking member (2) having longitudinal side edges and transverse side edges;
- at least one edge profile (1) attached to one of said side edges of said decking member (2) and to one of said stringer supports (16), said edge profile (1 ) having a top end, a bottom end and two side walls between the top end and the bottom end, and a first projection unit (3) extending towards the bottom end of said edge profile (1) and positioned at one of said side walls of said edge profile (1 ); and
- a plurality of corner units (18) attached to said edge profiles (1 ) and to said decking member (2), characterized in that said edge profile (1 ) further comprises at least one second projection (4) unit extending towards the bottom end of said edge profile (1 ) and positioned at a distance from said first projection unit (3), and in that said first and second projection units define a substantially U-shaped cavity (5) therebetween.
8. A system of structural components (13) for demountable flooring, comprising: - vertical posts (14) having a longitudinal direction, wherein each of said vertical posts comprises at least one post connection unit (15) arranged in a predetermined grid pattern in the longitudinal direction of said vertical post (14);
- stringer supports (16), each having at least one stringer support connection unit (17) for releasable connection to a corresponding post connection unit (15); - at least one decking member (2) having longitudinal side edges and transverse side edges,
- at least one edge profile (10) attached to one of said side edges of said decking member (2) and to one of said stringer supports (16), said edge profile (10) having a top end, a bottom end and two side walls between the top end and the bottom end, said edge profile (10) having a first projection unit (6) having a longitudinal direction y, a height direction z and a width direction x, an outer side wall (7) and an inner side wall (8) and extending towards the bottom end of said edge profile (10), said first projection unit (6) being positioned at one of said side walls of said edge profile (10),
- a plurality of corner units (18) attached to said edge profiles (10) and to said decking member (2),
characterized in that the angle α between the inner side wall (8) at the bottom end of said first projection unit (6) and said width direction x of said projection unit (6) is less than 90°
The system of structural components (13) according to claim 8, characterized in that that said edge profile (10) further comprises at least one second projection unit extending towards the bottom end of said edge profile (10) and positioned at a distance from said first projection unit (6), and in that said first and second projection units define a substantially U-shaped cavity therebetween
The system of structural components (13) according to claims 7-9, characterized in that an edge profile (1 , 10) is attached to each side of said decking member (2)
The system of structural components according to any one of claims 7-10, characterized in that the system further comprises at least one crossbar (19) attached between two oppositely positioned edge profiles
The system of structural components (13) according to any one of claims 7-1 1 , characterized in that the system further comprises at least one stabilisation unit (20)
The system of structural components (13) according to any one of claims 7-12, characterized in that the system further comprises at least one reinforcing structural element (21 )
14. A building such as podium, staging, platform, or the like, characterised in that said building comprises the system of structural components (13) according to any one of claims 7-13.
PCT/SE2010/050475 2009-04-29 2010-04-29 Demountable flooring WO2010126446A1 (en)

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WO2017174051A1 (en) * 2016-04-05 2017-10-12 Wilhelm Layher Verwaltungs-Gmbh Floor structure for events
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EP4350674A1 (en) * 2022-10-07 2024-04-10 PRG Projects nv Screen or panel supporting frame and installation kit
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