Motor vehicle interior trim material production process and motor vehicle interior trim component part
AssigneeJohann Borgers GmbH & Co. KG
InventorFaruk Yilmaz
Life of this patent
Estimating the term…
Abstract
For a process for producing a motor vehicle interior trim material including or consisting at least essentially of a needlefelt which includes a fibre blend including 25-35 wt % of polyamide (PA) fibres and 65-75 wt % of polyester (PES) fibres, preferably without other, bonding fibres, and is consolidated mechanically by needling and via adhesive bonding, it shall be achieved to provide a needlefelt material, in particular a motor vehicle interior trim material, which has a visually appealing surface finish even after thermoforming in the temperature range between 150° C. and 250° C.
Claims10
Process for producing a motor vehicle interior trim material comprising a needlefelt which includes a fibre blend comprising 25-35 wt % of polyamide (PA) fibres and 65-75 wt % polyester (PES) fibres, preferably without other, bonding fibres, and is consolidated mechanically by needling and via adhesive bonding,
- wherein
- a batt laid from the fibre blend passes in succession through three needling machines which each have or execute a needling motion in the vertical direction, wherein first in a first needling machine a fore- or pre-needling of the batt is effected at a stitch density between 35 and 150 stitches/cm2, thereafter a backneedling is effected in a second needling machine at a stitch density between 50 and 300 stitches/cm2, and finally a needlefelt is produced in a third or finishing type needling machine at a stitch density between 500 and 1000 stitches/cm2, and
- wherein the needlefelt thus produced is shorn on its pile side and an aqueous binder to the shorn needlefelt is provided on the side remote from the shorn pile side to bring about adhesive bonding.
Motor vehicle interior trim component part obtained by thermoforming a motor vehicle interior trim material,
- the motor vehicle interior trim material comprising a needlefelt which includes a fibre blend comprising 25-35 wt % of polyamide (PA) fibres and 65-75 wt % polyester (PES) fibres, preferably without other, bonding fibres, and is consolidated mechanically by needling and via adhesive bonding,
- wherein
- a batt laid from the fibre blend passes in succession through three needling machines which each have or execute a needling motion in the vertical direction, wherein first in a first needling machine a fore- or pre-needling of the batt is effected at a stitch density between 35 and 150 stitches/cm2, thereafter a backneedling is effected in a second needling machine at a stitch density between 50 and 300 stitches/cm2, and finally a needlefelt is produced in a third or finishing type needling machine at a stitch density between 500 and 1000 stitches/cm2, and
- wherein the needlefelt thus produced is shorn on its pile side and an aqueous binder to the shorn needlefelt is provided on the side remote from the shorn pile side to bring about adhesive bonding.
Dependencies are inferred from the claim text.