Foam core for a cushion of a seat part or a reclining part or a back rest of a piece of upholstered furniture or a motor vehicle seat
AssigneeOke Group GmbH
InventorThomas Tillner
Life of this patent
Estimating the term…
Abstract
A foam core (12) for a cushion (8, 9) of a seat part (2) or a reclining part or a back rest (3) of a piece of upholstered furniture (1) or a motor vehicle seat (11) or for a mattress or support surface of a piece of reclining furniture, with a core base (13) of foam material, in particular of cold foam, visco foam, latex foam or molded foam, there being in the core base (13) a plurality of spring strips (14) which run preferably at least essentially parallel to one another. It is provided that at least one spring strip (14) has an in particular pultruded fiber core (20) which has preferably glass fibers, and a mantle (21) of a thermoplastic material, in particular of polypropylene, which surrounds the fiber core (20).
Claims11
A foam core for a cushion of one of a seat part, a reclining part, a back rest, a mattress or other support surface, comprising:
- a core base of foam material containing a plurality of spring strips,
- wherein at least one spring strip has a fiber core and a mantle of a thermoplastic material which surrounds the fiber core, and
- wherein the spring strips have been foamed into the core base in a manner forming a layered structure in the form of foam-spring strips-foam, and
- wherein the fiber core of the spring strip has a fiber core strand and a winding which at least in part helically surrounds the fiber core strand so that intermediate spaces are formed for interlocking with the thermoplastic material of the mantel.
A foam core for a cushion of one of a seat part, a reclining part, a back rest, a mattress or other support surface, comprising:
- a core base of foam material containing a plurality of spring strips,
- wherein at least one spring strip has a fiber core and a mantle of a thermoplastic material which surrounds the fiber core, and
- wherein the spring strips have been foamed into the core base in a manner forming a layered structure in the form of foam-spring strips-foam, and
- wherein each strip leg has a plurality of openings.
Dependencies are inferred from the claim text.