Mattress spring core
AssigneeInter IKEA Systems B.V.
InventorJohan Kroon
Life of this patent
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Abstract
A mattress spring core including a sheet and a plurality of spring core units arranged on the sheet. The spring core units are arranged in longitudinal strings, the strings being attached to the sheet side by side to form a rectangular shaped mattress spring core. The sheet is configured to stabilize the rectangular shape of the mattress spring core by preventing the spring core units of a first string to be displaced relative the spring core units of an adjacent string.
Claims16
A mattress spring core comprising a sheet and a plurality of spring core units arranged on the sheet,
- wherein the plurality of spring core units are arranged in longitudinal strings, said strings being attached to the sheet, side by side, to form a rectangular shaped mattress spring core,
- wherein the sheet is configured to stabilize the rectangular shape of the mattress spring core by preventing the plurality of spring core units of a first string to be displaced relative the plurality of spring core units of an adjacent string,
- wherein the sheet is a non-woven fabric or made of felt,
- wherein a density of a material of the sheet is between 300 and 1000 g/m2, and
- wherein the sheet has a thickness of 2-6 mm.
A method for producing a mattress spring core, comprising:
- providing a sheet,
- providing a plurality of spring core units arranged in longitudinal strings, and
- attaching said strings to the sheet, side by side, to form a rectangular shaped mattress spring core,
- wherein the sheet is configured to stabilize the rectangular shape of the mattress spring core by preventing the plurality of spring core units of a first string to be displaced relative the plurality of spring core units of an adjacent string,
- wherein the sheet is a non-woven fabric or made of felt,
- wherein a density of a material of the sheet is between 300 and 1000 g/m2, and
- wherein the sheet has a thickness of 2-6 mm.
Dependencies are inferred from the claim text.