POCKET-SPRING CORE AND METHOD FOR PRODUCING THE POCKET-SPRING CORE
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United States of America Patent
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Issued Date -
Sep 12, 2019
app pub date -
Oct 9, 2017
filing date -
Oct 17, 2016
priority date (Note) -
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Abstract
A pocket-spring core having at least one first zone and at least one second zone, wherein the first zone has at least two rows of a first spring portion and at least one of the second zones has at least one row or line of a second spring portion, wherein the second spring portion has at least two layers which are located vertically one above the other and comprise in each case a plurality of helically wound first compression springs, in a first, upper layer, and second compression springs, in a second, lower layer, and at least one row of a third spring portion, is distinguished in that at least one of the second zones of the pocket-spring core has at least one channel-like depression.
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