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RIM polyurethane two-color molded product

Assignee: Toyoda Gosei Co Ltd
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Filing: 1996-06-13
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Granted: —
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Expires: 2016-06-13
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Abstract

Abstract Translated from Japanese (57)【要約】 【課題】 RIMポリウレタン二色成形品において、使 用時に擦られやすいリング部等の湾曲部の外周側の表面 部を摩耗しにくくし、外観上の不具合が生じないように する。 【解決手段】 ステアリングホイール70のポリウレタ ン被覆74は、減圧下のキャビティに表面部用ポリウレ タン材料U1 を注入することにより形成された表面部7 5と、減圧下のキャビティに内部用ポリウレタン材料U 2 を注入することにより形成された内部76とからなる リング部71を備えた、RIMポリウレタン二色成形品 である。リング部71の外周側の表面部75aの厚さ は、リング部71の内周側の表面部75bの厚さより厚 く形成されている。 (57) Abstract: In a two-color RIM polyurethane molded product, the outer peripheral surface of a curved portion, such as a ring portion, which is easily rubbed during use, is hardly worn, so that appearance defects do not occur. . SOLUTION: A polyurethane coating 74 of a steering wheel 70 has a surface portion 7 formed by injecting a polyurethane material U1 for a surface portion into a cavity under reduced pressure. 5 and the polyurethane material for internal use U in the cavity under reduced pressure. 2 is a RIM polyurethane two-color molded article provided with a ring portion 71 including an inside 76 formed by injecting 2. The thickness of the outer circumferential surface 75 a of the ring portion 71 is greater than the thickness of the inner circumferential surface 75 b of the ring portion 71.

Inventors

  • 👤 Toshihiko Asatani
  • 👤 俊彦 浅谷

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-11-05 17:04
CPC Classifications
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