Pocket spring mattress

A - Human Necessities – 47 – C

Patent

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Details

A47C 27/06 (2006.01)

Patent

CA 2632776

A spring mattress for beds, comprising a plurality of strings (2) which are interconnected side by side and comprise a continuous casing material (3) with a plurality of separate pockets (4) with coil springs (5) enclosed therein. Moreover the casing material for at least some pockets is at least substantially airtight, thus providing a resistance to air being pressed out when the springs of the mattress are loaded, which, when subjected to a uniform load during a transition period (B), results in a gradually increasing depression of the spring to its depressed state. This results in a comfortable mattress, into which the user sinks gradually and which thus is comfortable and safe and allows the user to move easily. A corresponding method and device for manufacturing such a mattress are also described.

L'invention concerne un matelas à ressorts pour des lits, comportant une pluralité de fils (2) qui sont interconnectés côte à côte et qui comportent une matière de garnissage continue (3) avec une pluralité d'étuis individuels (4) dans lesquels sont disposés des ressorts hélicoïdaux (5). De plus, la matière de garnissage est au moins sensiblement étanche pour au moins étuis, pour ainsi fournir une résistance à l'air expulsé quand les ressorts du matelas sont un partie des soumis à une charge, ce qui, lorsque la charge est uniforme au cours d'une période de transition (B), donne lieu à une dépression progressivement croissante du ressort dans son état déprimé. On obtient ainsi un matelas confortable, dans lequel l'utilisateur s'enfonce progressivement et qui est ainsi confortable et sûr et permet à l'utilisateur de bouger facilement. L'invention concerne également un procédé correspondant ainsi qu'un dispositif correspondant pour fabriquer un tel matelas.

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