Method for manufacturing a filling material
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United States of America Patent
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Mar 27, 2012
Grant Date -
Mar 19, 2009
app pub date -
Feb 1, 2007
filing date -
Feb 2, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
Method for manufacturing a filling material, characterised in that it consists at least in providing cylindrical foam springs (14) between two support layers (2,9) and in fixing them to the latter, for example by gluing the crosscut ends (15) to the support layers (2,9), after which the thus obtained double-coated layer (16) is cut, through the support layers (2,9), in two single-coated layers which each mainly consist of a single support layer (2, 9) with shorter foam springs (14) connected thereto.
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