Title (en)

METHOD FOR PRODUCING AN UPHOLSTER SPRING, UPHOLSTERY SPRING, MATTRESS, AND UPHOLSTERED FURNITURE

Title (de)

VERFAHREN ZUR HERSTELLUNG EINER POLSTERFEDER, POLSTERFEDER, MATRATZE UND POLSTERMÖBEL

Title (fr)

PROCÉDÉ DE FABRICATION D'UN RESSORT D'AMEUBLEMENT, RESSORT D'AMEUBLEMENT, MATELAS ET MEUBLE REMBOURRÉ

Publication

EP 3261493 B1 20180606 (DE)

Application

EP 16701681 A 20160128

Priority

• DE 102015102539 A 20150223
• EP 2016051784 W 20160128

Abstract (en)

[origin: WO2016134913A1] The invention relates to a method for producing an upholstery spring, in particular for upholstered furniture or mattresses, comprising an application of a heat-sensitive color indicator onto a spring steel wire, at least in some areas, during or after the bending of the spring steel wire, a heating of the spring steel wire to at least the changeover temperature of the color indicator, and a completion of the upholstery spring. The invention further relates to an upholstery spring, a mattress or a piece of upholstered furniture having such an upholstery spring.

IPC 8 full level

A47C 27/06 (2006.01)

CPC (source: CN EP US)

A47C 27/068 (2013.01 - CN EP US); B21C 51/00 (2013.01 - EP US); B21F 35/00 (2013.01 - EP US)

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

DOCDB simple family (publication)

DE 102015102539 A1 20160825; AU 2016223811 A1 20170817; AU 2016223811 B2 20201224; BR 112017015669 A2 20180313; BR 112017015669 B1 20210119; CN 107249393 A 20171013; CN 107249393 B 20200814; EP 3261493 A1 20180103; EP 3261493 B1 20180606; ES 2675229 T3 20180709; PT 3261493 T 20181009; US 2018042394 A1 20180215; WO 2016134913 A1 20160901

DOCDB simple family (application)

DE 102015102539 A 20150223; AU 2016223811 A 20160128; BR 112017015669 A 20160128; CN 201680010954 A 20160128; EP 16701681 A 20160128; EP 2016051784 W 20160128; ES 16701681 T 20160128; PT 16701681 T 20160128; US 201615549744 A 20160128