STEERING WHEEL

To provide a polyurethane coating which has less wear even when applied to a steering wheel for an automobile such as a taxi whose use time is long and to provide a polyurethane coating of high human sebum resistant performance that does not cause problems due to human sebum, such as swelling, peeli...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ASAI TOSHIHIKO, MIWA HAJIME, NAKIRI AKIRA
Format: Patent
Sprache:eng ; jpn
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Beschreibung
Zusammenfassung:To provide a polyurethane coating which has less wear even when applied to a steering wheel for an automobile such as a taxi whose use time is long and to provide a polyurethane coating of high human sebum resistant performance that does not cause problems due to human sebum, such as swelling, peeling, and emboss vanish.SOLUTION: A steering wheel includes a core metal 10, and a polyurethane coating 1 to be a reaction product of polyol and polyisocyanate that coats a ring part 13 of the core metal 10. The polyurethane coating 1 includes a core foam 2 of high foaming and a skin layer 3 of low foaming. Specific gravity (average value including core foam and the skin layer) ranges from 0.28 to 0.58, and shore A rigidity of the skin layer 3 ranges from 71 to 90.SELECTED DRAWING: Figure 1 【課題】使用時間が長いタクシー等の自動車用のステアリングホイールに適用しても、摩耗が少ないポリウレタン被覆を得る。さらに、人脂を要因とする膨潤、剥離、シボ消え等の問題が生じない高耐人脂性のポリウレタン被覆を得る。【解決手段】ステアリングホイールは、芯金10と、芯金10のリング部13を被覆するポリオール及びポリイソシアネートの反応物であるポリウレタン被覆1とを備え、ポリウレタン被覆1は、高発泡のコアフォーム2と低発泡のスキン層3を含み、比重(コアフォームとスキン層を含む平均値)が0.28〜0.58であり、スキン層3のショアA硬度が71〜90である。【選択図】図1