An upholstery spring comprises a steel spring wire made of a microalloyed steel and a color indicator arranged thereon at least in some regions, the microalloyed steel containing between 0.004 to 0.015 wt.-% of one or more alloy elements. The invention further relates to a method for producing an upholstery spring, a mattress or a piece of upholstered furniture having such an upholstery spring.


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    Title :

    POLSTERFEDER, VERFAHREN ZUR HERSTELLUNG EINER POLSTERFEDER, MATRATZE UND POLSTERMÖBEL


    Additional title:

    UPHOLSTERY SPRING, METHOD FOR PRODUCING AN UPHOLSTERY SPRING, MATTRESS, AND UPHOLSTERED FURNITURE
    RESSORT DE MATELASSURE, PROCÉDÉ DE RÉALISATION D'UN RESSORT DE MATELASSURE, MATELAS ET MEUBLE MATELASSÉ


    Contributors:

    Publication date :

    2022-10-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    German


    Classification :

    IPC:    C21D Veränderung der physikalischen Struktur von Eisenmetallen , MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS / A47C Stühle , CHAIRS / B21C MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING , Herstellen von Blechen, Metalldraht, -stangen, -rohren Metallprofilen oder Halbzeugen auf andere Weise als durch Walzen / B21F Bearbeiten oder Verarbeiten von Draht aus Metall , WORKING OR PROCESSING OF METAL WIRE / B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet / C22C Legierungen , ALLOYS / F16F SPRINGS , Federn



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