EP 3525630 A1 20190821 - POCKET-SPRING CORE AND METHOD FOR PRODUCING THE POCKET-SPRING CORE
Title (en)
POCKET-SPRING CORE AND METHOD FOR PRODUCING THE POCKET-SPRING CORE
Title (de)
TASCHENFEDERKERN UND VERFAHREN ZUR HERSTELLUNG DES TASCHENFEDERKERNS
Title (fr)
CARCASSE À RESSORTS ENSACHÉS ET PROCÉDÉ POUR LA FABRICATION DE LA CARCASSE À RESSORT ENSACHÉS
Publication
Application
Priority
- DE 102016119742 A 20161017
- EP 2017075669 W 20171009
Abstract (en)
[origin: WO2018073035A1] A pocket-spring core (1, 1a) having at least one first zone (2) and at least one second zone (3), wherein the first zone (2) has at least two rows of a first spring portion (4, 4a) and at least one of the second zones (3) has at least one row or line of a second spring portion (9, 9a), wherein the second spring portion (9) 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 (11), in a first, upper layer, and second compression springs (12), in a second, lower layer, and at least one row of a third spring portion (10, 10a), is distinguished in that at least one of the second zones (3) of the pocket-spring core (1, 1a) has at least one channel-like depression (17).
IPC 8 full level
A47C 27/06 (2006.01); B68G 9/00 (2006.01)
CPC (source: EP US)
A47C 27/062 (2013.01 - EP US); A47C 27/064 (2013.01 - EP US); B68G 9/00 (2013.01 - EP US)
Citation (search report)
See references of WO 2018073035A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DE 102016119742 A1 20180419; EP 3525630 A1 20190821; EP 3525630 B1 20200916; ES 2834885 T3 20210621; PL 3525630 T3 20210125; US 11633048 B2 20230425; US 2019274444 A1 20190912; WO 2018073035 A1 20180426
DOCDB simple family (application)
DE 102016119742 A 20161017; EP 17780760 A 20171009; EP 2017075669 W 20171009; ES 17780760 T 20171009; PL 17780760 T 20171009; US 201716342327 A 20171009