The present disclosure relates to a method of manufacturing a seat cushion (3) comprising:-/A/providing a 3D entangled cushion (3) comprising continuous thermoplastic fibers (5) irregularly arranged forming loops welded together, the cushion having a length direction, a width direction and a thickness direction, and boundaries on a periphery extending along an edge of the cushion, -/B/the 3D entanglement of fibers is hot-pressed at all or part of the periphery of the pad to create a dense and hardened boundary (Bdr) of the pad, which has a smaller density and a smaller stiffness relative to the central region of the pad. The present disclosure also relates to such a cushion, and a vehicle seat comprising such a cushion.
本公开涉及制造座椅衬垫(3)的方法,其包括:‑/A/提供包括连续热塑性纤维(5)的3D缠结的衬垫(3),连续热塑性纤维(5)不规则地排列,形成焊接在一起的环,衬垫具有长度方向、宽度方向和厚度方向,以及沿着衬垫的边缘延伸的周边上的边界,‑/B/在衬垫的全部或部分周边处热压纤维的3D缠结,以产生衬垫的致密且硬化的边界(Bdr),其相对于衬垫的中心区域具有较小的密度和较小的刚性。本公开还涉及此类衬垫,以及包括此类衬垫的车辆座椅。
Method of manufacturing seat cushion, such seat cushion and such seat
制造座椅衬垫的方法、此类座椅衬垫及此类座椅
2024-03-01
Patent
Electronic Resource
Chinese
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