B - Operations – Transporting – 68 – G
Patent
B - Operations, Transporting
68
G
B68G 9/00 (2006.01) A47C 23/04 (2006.01) A47C 25/00 (2006.01) A47C 27/06 (2006.01)
Patent
CA 2310452
The present invention relates to a spring mattress having two superposed layers of springs, which are enclosed in covers (4), and a method of manufacturing a mattress of this kind. Characterising features of the invention are that the springs of the upper layer are positioned essentially straight above the corresponding springs in the lower layer, and that the covers are joined together in such a manner that the springs in the lower layer are affected at least to some extent by the spring above, in the upper layer, independently of neighbouring springs.
L'invention concerne un matelas à ressorts doté de deux couches de ressorts superposées. Les ressorts sont enfermés dans des enveloppes (4). L'invention concerne également un procédé de production d'un matelas de ce type. L'invention est caractérisée en ce que les ressorts de la couche supérieure sont placés sensiblement juste au-dessus des ressorts correspondants de la couche inférieure et en ce que les enveloppes sont assemblées de telle façon que les ressorts de la couche inférieure soient influencés au moins dans une certaine mesure par le ressort supérieur de la couche supérieure, indépendamment des ressorts adjacents.
Fetherstonhaugh & Co.
Stjernfjadrar Ab
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