Membrane wall element for the erection of a tent or hall construction

Abstract

The invention relates to a membrane wall element for erecting a tent or shed-type construction, at least two wall membranes ( 1 A, 1 B) being fixed to at least two opposing end sections. When fixed, said wall membranes are interspaced by means of at least one rigid spacer element ( 2 ), such that a cavity ( 6 ) is formed between the same.

1 . A membrane wall element for erecting a tent or hall construction, having at least two wall membranes ( 1 A,  1 B,  1 C) and clamping devices ( 5 ), said at least two wall membranes ( 1 A,  1 B,  1 C) being stretchable by means of said clamping devices ( 5 ) and being spaceable from one another by means of at least one spacer element ( 2 ) in such a way that a cavity ( 6 ) is formed between said at least two wall membranes ( 1 A,  1 B,  1 C), characterised in that said at least one spacer element ( 2 ) is arranged separately from said clamping devices ( 5 ) and articulately connected to said at least two wall membranes ( 1 A,  1 B,  1 C) at inside faces thereof which face each other, so that in the stretched state of said at least two wall membranes ( 1 A,  1 B,  1 C), due to the tension acting on them, said spacer element ( 2 ) adjusts itself in such a way that said at least two wall membranes ( 1 A,  1 B,  1 C) are kept spaced apart from one another.  
   
   
       2 . The wall element according to  claim 1 , characterised in that said at least two wall membranes ( 1 A,  1 B,  1 C) are made of tent canvas.  
   
   
       3 . The wall element according to  claim 1 , characterised in that said at least two wall membranes ( 1 A,  1 B,  1 C) are secured within said clamping devices ( 5 ) at two end sections facing each other.  
   
   
       4 . The wall element according to  claim 1 , characterised in that said clamping devices ( 5 ) are formed by section bars ( 55 ,  55 ′).  
   
   
       5 . The wall element according to  claim 1 , characterised in that said at least two wall membranes ( 1 A,  1 B) are joined with each other at respective end sections ( 40 ) that face each other.  
   
   
       6 . The wall element according to  claim 4 , characterised in that a keder rope ( 36 ) is provided edgewise at said joined end sections ( 40 ).  
   
   
       7 . The wall element according to  claim 4 , characterised in that said section bars ( 5 ) have undercut longitudinal channels ( 30 ) into which said keder ropes ( 36 ) of said joined wall membranes ( 1 A,  1 B) are pullable.  
   
   
       8 . The wall element according to  claim 4 , characterised in that said section bars ( 55 ′) have cover strips ( 56 ) and longitudinal channels ( 31 ) into which said keder ropes ( 36 ) of said joined wall membranes ( 1 A,  1 B) are placeable, and in that said longitudinal channels ( 31 ) are sealable by said cover strips ( 56 ) so that said keder ropes ( 36 ) are secured within said section bars ( 55 ′).  
   
   
       9 . The wall element according to  claim 3 , characterised in that a stretching device ( 15 ) having stretcher rods ( 25 ,  26 ) is provided between said section bars ( 55 ) via which said wall membranes ( 1 A,  1 B) secured within said section bars ( 55 ) can be stretched apart.  
   
   
       10 . The wall element according to  claim 9 , characterised in that said stretching device is actuatable via a toggle lever device ( 75 ) whose drive spindle ( 16 ) for actuating two toggle levers ( 17 ,  18 ) is oriented transversally to the longitudinal axis of said stretcher rods ( 25 ,  26 ).  
   
   
       11 . The wall element according to  claim 10 , characterised in that said stretcher rods ( 25 ,  26 ) have hollow sections by which they are slidable at one of their ends over profile ends of said toggle lever device ( 75 ) so that said stretcher rods ( 25 ,  26 ) are movable via toggle-lever ( 17 ,  18 ) actuated displacement elements ( 38 ,  39 ), and in that at the other end of each stretcher rod ( 25 ,  26 ), a flange piece ( 29 ) for securing to said section bars ( 55 ) is attached.  
   
   
       12 . The wall element according to  claim 5 , characterised in that the longitudinal sides of said at least one rigid spacer element ( 2 ) extend between said at least two wall membranes ( 1 A,  1 B) in parallel with the joining lines ( 90 ), that face each other, of said wall membranes ( 1 A,  1 B).  
   
   
       13 . The wall element according to  claim 12 , characterised in that said at least one rigid spacer element ( 2 ) has a rigid connecting piece ( 3 ) with flexible strips ( 4 ) formed onto its longitudinal sides which are connected with the inside faces, that face each other, of said a least two wall membranes ( 1 A,  1 B), so that the longitudinal sides of the at least one rigid connecting piece ( 3 ) are articulately connected to said wall membranes ( 1 A,  1 B), with the pivot points on said wall membranes ( 1 A,  1 B) all being spaced equally from the edges of the end sections of said wall membranes ( 1 A,  1 B), and with the rigid connecting piece ( 3 ) and the membrane portions that extend to said end sections forming an isosceles triangle in their stretched state when viewed in cross-section.  
   
   
       14 . The wall element according to  claim 1 , characterised in that said at least one rigid connecting piece ( 3 ) shows a predeterminable stiffness in order to achieve the separation of the spaced-apart wall membranes ( 1 A,  1 B,  1 C) when said wall membranes ( 1 A,  1 B,  1 C) are fixed.  
   
   
       15 . The wall element according to  claim 13 , characterised in that said flexible strips ( 4 ) extend away from the longitudinal sides of said rigid connecting piece ( 3 ) in opposing directions.  
   
   
       16 . The wall element according to  claim 1 , characterised in that two wall membranes ( 1 A,  1 B) are formed which in their stretched states are held spaced apart from one another by means of two spacer elements ( 2 ).  
   
   
       17 . The wall element according to  claim 1 , characterised in that said wall membranes ( 1 A,  1 B,  1 C) are connected in a sealed manner with each other at those parts that extend along all membrane end regions, and in that venting devices are provided to allow air to enter said cavities ( 6 ) when the wall element is being put up.  
   
   
       18 . The wall element according to  claim 1 , characterised in that an inner wall membrane ( 1 A) and an outer wall membrane ( 1 B) are provided with an intermediate wall membrane ( 1 C) extending in between, said inner wall membrane ( 1 A), said intermediate wall membrane ( 1 C) and said outer wall membrane ( 1 B) in their stretched states being spaced apart by at least two rigid spacer elements ( 2 ) in such a way that cavities ( 6 ) are formed between them.  
   
   
       19 . The wall element according to  claim 13 , characterised in that said rigid spacer elements ( 2 ) have rigid connecting pieces ( 3 ) with flexible strips ( 4 ) formed onto their longitudinal sides that are connected with the inside faces, facing each other, of said inner wall membrane and said intermediate wall membrane ( 1 A,  1 C) as well as of said intermediate wall membrane and said outer wall membrane ( 1 C,  1 B), so that the longitudinal sides of said rigid connecting pieces ( 3 ) are articulately connected to said wall membranes ( 1 A,  1 B,  1 C), with the pivot points on said wall membranes ( 1 A,  1 B,  1 C) being chosen in such a way that the membrane portions of the inner and outer wall membranes ( 1 A,  1 B) that extend to the end sections and said rigid connecting pieces ( 3 ) form an isosceles triangle in their stretched state when viewed in cross-section, while said intermediate wall membrane ( 1 C) extends continuously planarly along the height line of said isosceles triangle.  
   
   
       20 . The wall element according to  claim 1 , characterised in that said wall membranes are made of a material which is tight against war gases and the like.  
   
   
       21 . The wall element according to  claim 18 , characterised in that said intermediate wall membrane ( 1 C) is coated with aluminium or another suitable material in order to achieve heat reflection and/or possibly also shielding against electromagnetic radiation.  
   
   
       22 . The wall element according to  claim 18 , characterised in that said inner wall membrane ( 1 A) is made of an easy-to-clean material.  
   
   
       23 . The wall element according to  claim 1 , characterised in that said at least one rigid spacer element ( 2 ) is subdivided once or more times along its length to allow the folding of said wall element.  
   
   
       24 . A tent or hall construction using at least one wall element with at least one rigid spacer element according to  claim 1 , characterised in that: 
 said at least one spacer element ( 2 ) is arranged separately from said clamping devices ( 5 ) and articulately connected to said at least two wall membranes ( 1 A,  1 B,  1 C) at inside faces thereof which face each other, so that in the stretched state of said at least two wall membranes ( 1 A,  1 B,  1 C), due to the tension acting on them, said spacer element ( 2 ) adjusts itself in such a way that said at least two wall membranes ( 1 A,  1 B,  1 C) are kept spaced apart from one another; and in that    said at least one wall element forms a tunnel-shaped cross section having two side-wall parts ( 80 ,  81 ) and one roof-wall part ( 90 ) connecting said side-wall parts.    
   
   
       25 . The tent or hall construction according to  claim 4 , characterised in that said section bars ( 55 ) for fixing wall membranes ( 1 A,  1 B) extend according to the selected tunnel-shaped cross section along a line bent several times, starting at a first base point ( 101 ) and ending at a second base point ( 102 ) spaced apart from the former, and in that along the course of said section bars ( 55 ), two wall membranes ( 1 A,  1 B) are fixed with spacer elements ( 2 ) in order to form said cavity ( 6 ) between said two wall membranes.  
   
   
       26 . The tent or hall construction according to  claim 25 , characterised in that at the bending points of the tunnel cross section, the inner one of said two wall membranes ( 1 A,  1 B) is shortened in its longitudinal expansion by having a cut-out lens-shaped opening, and a velcro-type fastening ( 130 ) is provided by which the edges of said opening are connectable.  
   
   
       27 . The tent or hall construction according to  claim 25 , characterised in that along said side-wall parts ( 80 ,  81 ), a further outer wall membrane ( 79 ) is stretched between said section bars ( 55 ), forming a rear ventilation space ( 95 ) between said further outer wall membrane ( 79 ) and said two wall membranes ( 1 A,  1 B).  
   
   
       28 . The tent or hall construction according to  claim 27 , characterised in that spaced apart from the roof-wall part ( 30 ), an outer roof-wall membrane ( 99 ) is stretched which forms an rear-ventilated air-insulation roof-space ( 120 ) between said roof-wall part ( 30 ) and said outer roof-wall membrane ( 99 ).  
   
   
       29 . A wall element having wall membranes ( 1 A,  1 B and  79 ) and section bars ( 55 ) between which the wall membranes ( 1 A,  1 B and  79 ) are fixable, as well as a stretching device ( 15 ) comprising stretcher rods ( 25 ,  26 ), characterised in that said stretcher rods ( 25 ,  26 ) of said stretching device ( 15 ) extend centrally between said wall membranes ( 1 A,  1 B and  79 ) ( FIG. 7 ,  FIG. 11 ).