Upholstery with spring elements or springs distributed over the area of the upholstery

Abstract

The invention relates to an upholstery with spring elements ( 6 ) or springs ( 5 ) distributed over the area of the upholstery, which spring elements ( 6 ) or springs ( 5 ) are enclosed in chambers (K) with walls of non-woven fabric, with covering layers ( 31, 32 ) that span the face sides of the spring elements ( 6 ) or springs ( 5 ), with stabilising connections ( 7 ) between the adjacent chambers (K) on the one hand and between the chambers (K) and the covering layers ( 31, 32 ) on the other hand, wherein the non-woven fabric that forms the walls of the chambers (K) and parts of the connections ( 7 ) consists of at least one layer of non-woven web ( 1, 2 ) that extends between the chambers (K) parallel to the covering layers ( 31, 32 ) while forming the connection sections ( 15, 25 ) and that is provided with deep-drawn and/or moulded pockets ( 11, 12, 13, 14; 21, 22, 23, 24 ) for forming walls of the chambers (K) or parts of the same. (FIG. 1 )

1 . Upholstery with spring elements ( 6 ) or springs ( 5 ) distributed over the area of the upholstery, which spring elements ( 6 ) or springs ( 5 ) are enclosed and guided separately or in groups in chambers (K) with walls made of non-woven fabric, 
 with upper and lower covering layers ( 31 ,  32 ) that extend over the area of the upholstery and that span the face sides of the spring elements ( 6 ) or springs ( 5 ), and    with stabilising connections ( 7 ) between adjacent chambers (K) on the one hand and between the chambers (K) and the covering layers ( 31 ,  32 ) on the other hand,    wherein the non-woven fabric that forms the walls of the chambers (K) and parts of the connection ( 7 ) consists of at least one layer of non-woven web ( 1 ,  2 ) that extends between the chambers (K) parallel to the covering layers ( 31 ,  32 ) while forming connection sections ( 15 ,  25 ) and that is provided with deep-drawn and/or moulded pockets ( 11 ,  12 ,  13 ,  14 ;  21 ,  22 ,  23 ,  24 ) for forming walls of the chamber (K) or parts of the same and    wherein the connection sections ( 15 ,  25 ) and/or the head sections of the pockets ( 11   12 ,  13 ,  14 ;  21 ,  22 ,  23 ,  24 ) of the layer of non-woven web ( 1 ;  2 ) are fixed to one of the covering layers ( 31 ,  32 ) to an intermediate layer or to connection sections ( 25 ,  26 ) of an additional layer of non-woven web ( 2 ;  1 ) by means of connections ( 7 ).    
     
     
         2 . Upholstery according to  claim 1 , characterised in that the pockets ( 11 ,  12 ,  13 ,  14 ;  21 ,  22 ,  23 ,  24 ) have a different depth depending on the area.  
     
     
         3 . Upholstery according to  claim 1 , characterised in that for the shaping of the chamber walls and the connections between the chambers (K), two adjacent layers of non-woven web ( 1 ,  2 ) are provided whose pockets ( 11 ,  12 ,  13 ,  14 ;  21 ,  22 ,  23 ,  24 ) are aligned so that they are opposing and whose connection sections ( 15 ;  25 ) are connected to one another via an intermediate layer ( 4 ).  
     
     
         4 . Upholstery according to  claim 1 , characterised in that for the shaping of the chamber walls and the connections ( 15 ,  25 ) between the chambers (K), two adjacent layers of non-woven web ( 1 ,  2 ) are provided whose pockets ( 11 ,  12 ,  13 ,  14 ;  21 ,  22 ,  23 ,  24 ) are aligned so that they are opposing and whose connection sections ( 15 ;  25 ) are directly connected to one another and 
 in that in the chambers (e.g., K 1 , K 6 , K 7 ) that form between the pockets ( 11 ,  12 ,  13 ,  14 ;  21 ,  22 ,  23 ,  24 ) of the two layers of non-woven web ( 1 ,  2 ), elastic filling elements ( 6 ) or springs ( 5 ) formed in one piece are arranged.    
     
     
         5 . Upholstery according to  claim 1 , characterised in that two adjacent layers of non-woven web ( 1 ,  2 ) are provided for the formation of the chamber walls and the connections ( 15 ,  25 ) between the chambers (K), whose pockets ( 11 ,  12 ,  13 ,  14 ;  21 ,  22 ,  23 ,  24 ) are aligned so that they are opposing one another and whose connection sections ( 15 ;  25 ) are connected to one another via fixed links ( 8 ,  81 ,  82 ).  
     
     
         6 . Upholstery according to  claim 1 , characterised in that the fixed links ( 8 ) are thread-shaped or wire-shaped flexible elements ( 81 ) that hold the connection sections ( 15 ;  25 ) of the two layers of non-woven web ( 1 ,  2 ) to one another via connections ( 77 ).  
     
     
         7 . Upholstery according to  claim 1 , characterised in that the fixed links ( 82 ) are tube-shaped textile or flexible elements, whose longitudinal axes extend parallel to at least one row of springs ( 5 ) or elastic filling elements ( 6 ) and in that the tube-shaped elements of the fixed links ( 82 ) are fixed in place in the area of one of their opposing surface lines via a sewn or glued connection ( 78 ), to the upper and lower layer of non-woven web ( 1 ;  2 ).  
     
     
         8 . Upholstery with spring elements ( 6 ) or springs ( 5 ) distributed over the area of the upholstery, which spring elements ( 6 ) or springs ( 5 ) are guided separately on walls of non-woven web, 
 with upper and lower covering layers ( 31 ;  32 ) that extend over the area of the upholstery and span the face sides of the spring elements ( 6 ) or springs ( 5 ),    with stabilising connections ( 7 ) between the elements guiding adjacent springs ( 5 ) on the one hand and between the non-woven fabric ( 1 ,  2 ) and the covering layers ( 31 ,  32 ) on the other hand,    wherein the non-woven fabric that forms the walls and parts of the connections ( 7 ) consists of at least one layer of non-woven web ( 1 ,  2 ) that extends between the walls parallel to the covering layers ( 31 ,  32 ) while forming the connection sections ( 15 ,  25 ) and that is provided for the formation of the guides for the spring elements ( 6 ) or springs ( 5 ) with deep-drawn and/or form-moulded pockets ( 11 ,  12 ,  13 ,  14 ;  21 ,  22 ,  23 ,  24 ),    wherein the pockets ( 13 ) engage in an interior area of the spring elements ( 6 ) or springs ( 5 ) arranged on the face side and    wherein the connection sections ( 15 ,  25 ) and/or the head sections of the pockets ( 11 ,  12 ,  13 ,  14 ;  21 ,  22 ,  23 ,  24 ) of the layer of non-woven fabric ( 1 ;  2 ) are fixed to one of the covering layers ( 31 ,  32 ), to an intermediate layer, to connection sections ( 15 ,  25 ) or to head sections of the pockets ( 11 ,  12 ,  13 ,  14 ;  21 ,  22 ,  23 ,  24 ) of an additional layer of non-woven web ( 2 ;  1 ) by means of connections ( 7 ).    
     
     
         9 . Upholstery according to  claim 8 , characterised in that the hollow spaces delimited by the pockets ( 13 ) are filled with granulate material or with spring elements of foamed material.  
     
     
         10 . Method for producing a non-woven fabric with pockets made of a non-woven web distributed over the area, characterised in that a non-woven web is fed in the working direction, which non-woven web has fibres predominantly aligned parallel to the working direction and a lesser quantity of fibres aligned at right angles to the working direction, 
 in that a row of moving stamps (ST) arranged at a right angle to the working direction forms a row of pockets, step by step, according to the loop-forming principle,    in that at least the non-woven web compressions ( 151 ) that result between simultaneously formed pockets are fixed to the connection sections ( 15 ) at least by means of adhesive-acting, thermosetting materials.