The invention relates to a pocket spring core (5) comprising a first strand (1) made of springs (10) arranged in pockets, a second strand (2) made of springs (10) arranged in pockets, a third strand (3) made of springs (10) arranged in pockets, a first strip (11) made of a textile material between the first strand (1) and the second strand (2), and a second strip (12) made of a textile material between the second strand (2) and the third strand (3), said pocket spring core being designed such that the first strip (11) is welded to the first strand (1) at a plurality of first points (21) at a connection region (20) between adjacent springs (10), the first strip (11) is welded to the second strand (2) at a plurality of first points (32) at a connection region (30) between adjacent springs (10), and the second strip (12) is welded to the second strand (2) at a plurality of third points (31) at a connection region (30) between adjacent springs (10). The invention additionally relates to a method for producing a pocket spring core (5).
The invention relates to a pocket spring core (1, 1') comprising a plurality of springs (2, 3, 4) which are arranged in rows and each of which is arranged in pockets made of a textile material. Larger springs (2) with a greater diameter and smaller springs (3, 7) with a smaller diameter are arranged in at least one row (4), wherein the larger diameter of the larger springs (2) corresponds to a whole-number multiple of the diameter of the smaller springs (3, 7), and the number of whole-number multiples of smaller springs (7) is provided in the at least one row (4) perpendicularly to the longitudinal direction. In this manner, the pocket spring core (1, 1') can be effectively provided with an edge reinforcement.
A pocket spring core as well as a method for producing a pocket spring core for use in the manufacture of mattresses or furniture upholstery. The pocket spring core has a plurality of springs, a number of which lie in a row one behind the other in respective flexible pockets, forming a bank of springs, and a number of adjacent banks of spring, which together form a supporting surface, are interconnected. The springs of at least one region of the supporting surface have different springing characteristics from the springs of the neighboring regions. At least one part of the individual banks of springs consists of bank portions with differing spring characteristics, the pocketed springs of each bank portion are identical, at least some of the neighboring portions of adjacent banks of springs are of different lengths and the neighboring portions of adjacent banks of springs are interconnected.
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.
Disclosed is a pocket spring core comprising a plurality of springs (4, 5), a number of which lie in a row one behind the other in respective flexible pockets, preferably consisting of a textile material, forming a bank of springs (1), and a number of adjacent banks of springs (1), which together form a supporting surface, are interconnected. The springs (4, 5) of at least one region of the supporting surface have different springing characteristics from the springs (4, 5) of the neighbouring regions. Said pocket spring core is designed such that at least some of the individual banks of springs (1) consist of bank portions (2, 3) with differing springing characteristics, the pocketed springs (4, 5) of each bank portion (2, 3) are identical, the neighbouring differing bank portions (2, 3) of a bank of springs (1) are interconnected by a strip (6) secured to the bank portions (2, 3) and the strip (6) lies on at least one face of the pocket spring core.
Disclosed is a pocket spring core comprising a plurality of springs (4, 5), a number of which lie in a row one behind the other in respective flexible pockets, preferably consisting of a textile material, forming a bank of springs (1), and a number of adjacent banks of springs (1), which together form a supporting surface, are interconnected. The springs (4, 5) of at least one region of the supporting surface have different springing characteristics from the springs (4, 5) of the neighbouring regions. Said pocket spring core is designed such that at least one part of the individual banks of springs (1) consists of bank portions (2, 3) with differing springing characteristics, the pocketed springs (4, 5) of each bank portion (2, 3) are identical, at least some of the neighbouring bank portions (2, 3) of adjacent banks of springs (1) are of different lengths and the neighbouring bank portions (2, 3) of adjacent banks of springs (1) are interconnected.
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).
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.
A47C 23/043 - Sommiers à ressorts, à cadre rigide ou faisant partie du châlit, p. ex. sommiers à ressortsSommiers-divansSommiers à lattes utilisant des ressorts en compression, p. ex. des ressorts à boudins utilisant des ressorts à spires
A47C 27/06 - Soufflets à ressorts ou éléments à ressorts pour ceux-ci
B21C 51/00 - Dispositifs de mesure, de calibrage, d'indication, de comptage ou de marquage, spécialement conçus pour être utilisés dans la production ou la manipulation des matériaux concernés par les sous-classes
B21F 35/00 - Fabrication de ressorts en fils métalliques
C21D 8/06 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de barres ou de fils
C21D 9/52 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour fils métalliquesTraitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour bandes métalliques
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/18 - Alliages ferreux, p. ex. aciers alliés contenant du chrome
C22C 38/40 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel
F16F 1/02 - Ressorts en acier ou faits d'un autre matériau ayant une faible friction intérieureRessorts enroulés, de torsion, à lame, en forme de coupelles, à corps annulaire ou similaire, le matériau de ressort ne jouant pas de rôle
A spring (2, 20) for a spring core (1, 10), wherein the spring has helical windings and a first end winding (201, 2001) and a second end winding (202, 2002), wherein at least the first end winding (201, 2001) has a free end (203, 2003) and the free end (203, 2003) has at least one passage (204, 2004) and the opening of the passage (204, 2004) is directed outwardly with respect to the end winding (201, 2001 or 202, 2002) of the spring (2, 20), is distinguished by the fact that the passage (204, 2004) is inclined out of a horizontal plane preferably about an angle alpha in the compression direction of the spring (2, 20).
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.
The invention relates to a method for producing a pocket spring core consisting of multiple interconnected spring coils (1) each having a plurality of individual helical springs (4) arranged one behind the other and encased in a pocket, wherein at least some of the spring coils (1) are made of at least two partial spring coils (2, 3) abutting each other at their end faces. According to said method, to form a spring coil (1) made of partial spring coils (2, 3), said partial coils (2, 3), in the position in which their end faces point towards each other relative to the longitudinal axes of their individual springs (4), are together progressively synchronously joined and interconnected.
The invention concerns a spring core comprising a plurality of rows (1) of springs which are disposed parallel to each other and each of which consists of a plurality of individual springs (3) connected to each other. The spring core is designed in such a way that each spring (3) is in the form of a ring which is disposed on edge in the loading direction and consists of an elastically deformable wire having an inwardly directed notch (4) in the progression of the contour.
An innerspring assembly includes a plurality of first springs arranged side-by-side in axis-parallel relationship and wound in the form of a helix. Several first springs which are arranged behind one another in a row define a spring strand. An edge reinforcement is formed by second springs placed on at least two opposite borders of the innerspring assembly, with each second spring being connected with two first springs of an adjacent spring strand.
A47C 23/04 - Sommiers à ressorts, à cadre rigide ou faisant partie du châlit, p. ex. sommiers à ressortsSommiers-divansSommiers à lattes utilisant des ressorts en compression, p. ex. des ressorts à boudins
A47C 23/053 - Fixation ou assemblage des ressorts dans les cadres ou dans les paquets de ressorts
A47C 27/07 - Fixation ou assemblage de ressorts dans les soufflets à ressorts
F16F 3/00 - Ensembles de ressorts constitués par plusieurs ressorts, p. ex. pour réaliser une caractéristique d'élasticité voulue
Disclosed is a pocket spring core comprising a plurality of springs (4, 5), a number of which lie in a row one behind the other in respective flexible pockets, preferably consisting of a textile material, forming a bank of springs (1), and a number of adjacent banks of springs (1), which together form a supporting surface, are interconnected. The springs (4, 5) of at least one region of the supporting surface have different springing characteristics from the springs (4, 5) of the neighbouring regions. Said pocket spring core is designed such that at least one part of the individual banks of springs (1) consists of bank portions (2, 3) with differing springing characteristics, the pocketed springs (4, 5) of each bank portion (2, 3) are identical, at least some of the neighbouring bank portions (2, 3) of adjacent banks of springs (1) are of different lengths and the neighbouring bank portions (2, 3) of adjacent banks of springs (1) are interconnected.