| 摘要 |
PROBLEM TO BE SOLVED: To express a shade of color while increasing product strength, by performing simple molding operations. SOLUTION: A washbowl 10 and a panel material 51 as resin moldings are molded by injecting a resin material, which exerts translucency after being molded, into a mold. The resin moldings are equipped with molding bodies 11 and 51 with almost constant wall thicknesses, and thick-walled parts 21, 52 and 62 which are composed of protrusive streaks integrally molded on one-side surfaces of the molding bodies. The thick-walled parts 21 and 52 are formed in such a shape as to be made gradually thicker or thinner along the direction of extension thereof and made gradually wider or narrower in the direction orthogonal to the direction of the extension in almost the same plane. The thick-walled parts not only act as reinforcing parts of the molding bodies 11 and 51 but also express light and shade in the surfaces of the resin moldings by a change in thickness. Additionally, the thick-walled part 62 expresses light and shade by gradually changing its wall thickness as an inclined plane. COPYRIGHT: (C)2005,JPO&NCIPI
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