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    • 9. 发明授权
    • Carvable artificial pumpkin and method
    • 可雕人工南瓜及方法
    • US5491007A
    • 1996-02-13
    • US369704
    • 1995-01-06
    • Jeffrey A. Chapman
    • Jeffrey A. Chapman
    • A41G1/00A41G1/02B29C44/36B44C5/06
    • B44C5/06A41G1/005A41G1/008A41G1/02B29C44/367Y10T29/49826Y10T428/1376Y10T428/249987
    • The invention is in the field of three-dimensional hollow novelty items and their manufacture, particularly items such as artificial pumpkins that the consumer desires to carve or alter after purchase. Disclosed is a carvable novelty article, such as an artificial Halloween pumpkin, comprising a polyurethane shell substantially surrounding an interior volume and having a thin, elastomeric coating, such as an acrylic, on the exterior surface of the shell. The carvable article can be formed by an inventive process in which polyurethane foam material, such as material having a nominal density of about 2.5-3.0 pounds per cubic foot, is sprayed from a nozzle rotating with respect to the inside of a mold. After the polyurethane foam article and the mold are separated, the article is coated with an elastomeric coating, such as an acrylic material that is applied as a liquid. Thus, the inventive articles, including those made in accordance with the inventive process, can be used as three-dimensional hollow novelty items of a variety of shapes. In addition, the inventive articles, such as Halloween pumpkins, are carvable, reusable, and can be used with a light source.
    • 本发明在三维空心新颖物品及其制造领域,特别是消费者在购买后希望雕刻或改变的人造南瓜等物品。 公开了一种可雕刻的新颖物品,例如人造万圣节南瓜,其包括基本上围绕内部体积的聚氨酯外壳,并且在外壳的外表面上具有薄的弹性体涂层,例如丙烯酸。 可切割制品可以通过本发明的方法形成,其中聚氨酯泡沫材料例如具有约2.5-3.0磅/立方英尺的标称密度的材料从相对于模具内部旋转的喷嘴喷射。 在聚氨酯泡沫制品和模具分离之后,制品被涂覆有弹性体涂层,例如作为液体施加的丙烯酸材料。 因此,本发明的制品,包括根据本发明方法制造的制品,可以用作各种形状的三维中空新颖物品。 此外,诸如万圣节南瓜的创造性物品是可雕刻的,可重复使用的,并且可以与光源一起使用。