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    • 51. 发明授权
    • Vehicular headlamp with integrated aiming bracket
    • 带集成瞄准支架的车载前照灯
    • US06280071B1
    • 2001-08-28
    • US09442239
    • 1999-11-17
    • Kaoru YamamotoKihachiro Uchida
    • Kaoru YamamotoKihachiro Uchida
    • B60Q100
    • F21V29/505B60Q1/06F21S41/295F21S41/43F21S41/47F21S45/10F21S45/43F21S45/47
    • A vehicular headlamp including a light source bulb, a reflector reflecting light from the light source bulb forward in a convergent manner, a condensing lens provided at such a position that, of the light reflected from the reflector, at least a meridian light flux in a vertical cross-section is incident as divergent light, a shade provided in proximity to a position of convergence of the meridian light flux and which blocks part of the reflected light, and an aiming bracket to which an aiming member for tilting the reflector is attached. The shade is composed of a metal plate member that is formed integrally with the aiming bracket, and is attached to the reflector. With this construction, the total number of parts of the headlamp is reduced and costs can be reduced accordingly.
    • 一种车辆用前照灯,包括光源灯泡,以会聚方式向前反射来自所述光源灯泡的光的反射器,设置在所述反射器反射的光的至少一个子午线光束的位置处的聚光透镜, 垂直横截面作为发散光入射,阴影设置在子午线光束的会聚位置附近并且阻挡反射光的一部分;以及瞄准支架,用于倾斜反射器的瞄准构件附接到该对准支架上。 阴影由与瞄准支架一体形成的金属板构件构成,并附接到反射器。 通过这种结构,能够减少前照灯的总数,能够降低成本。
    • 55. 发明授权
    • Modified polyacetal and method of producing the same
    • 改性聚缩醛及其制备方法
    • US5973081A
    • 1999-10-26
    • US663279
    • 1996-06-07
    • Hiroyuki KanaiHajime SerizawaKatsuhei OhnishiEiji MasudaKaoru Yamamoto
    • Hiroyuki KanaiHajime SerizawaKatsuhei OhnishiEiji MasudaKaoru Yamamoto
    • C08F283/06C08F290/14C08G2/30C08L61/02C08L67/00C08L75/04C08L77/00
    • C08F290/142C08F283/06C08G2/30
    • A modified polyacetal is obtainable by heating 0.1 to 30 parts by weight of (B) a polymerizable compound having a modifying group such as an epoxy group, a carboxyl group or an acid anhydride group relative to 100 parts by weight of (A) a base polyacetal and introducing the modifying group of the polymerizable compound to the base polyacetal. The base polyacetal (A) includes (A1) a polyacetal selected from polyoxymethylene homopolymers and copolymers, and (A2) a polymerizable polyacetal having a functional group comprising a polymerizablly unsaturated bond. The introduction efficiency of the modifying group can be enhanced by adding 0.01 to 2.5 parts by weight of (C) a free-radical initiator relative to 100 parts by weight of the total amount of the components (A) and (B), and mixing the resultant mixture under a molten state of the polyacetal. According to such method, the affinity of the polyacetal is improved by introducing the modifying group to the base polyacetal with ease and high efficiency.
    • PCT No.PCT / JP95 / 02138 Sec。 371日期1996年6月7日第 102(e)日期1996年6月7日PCT提交1995年10月19日PCT公布。 第WO96 / 13535号公报 日期:1996年5月9日改性聚缩醛相对于100重量份的(B)具有环氧基,羧基或酸酐基等改性基团的聚合性化合物,加热0.1〜30重量份, A)基础聚缩醛,并将可聚合化合物的改性基团引入到基础聚缩醛中。 基础聚缩醛(A)包括(A1)选自聚甲醛均聚物和共聚物的聚缩醛,(A2)具有包含可聚合不饱和键的官能团的聚合性缩醛。 相对于100重量份的组分(A)和(B)的总量,通过加入0.01至2.5重量份的(C)自由基引发剂可以提高改性基团的引入效率,并且混合 所得混合物在聚缩醛的熔融状态下。 根据这种方法,通过将改性基团容易且高效率地引入到基础聚缩醛中来改善聚缩醛的亲和性。
    • 58. 发明授权
    • Process for preparing polyacetal copolymer
    • 制备聚缩醛共聚物的方法
    • US5844059A
    • 1998-12-01
    • US791469
    • 1997-01-27
    • Kaoru YamamotoHiroyuki Kanai
    • Kaoru YamamotoHiroyuki Kanai
    • C08G2/06C08G2/10C08G2/18C08G2/28C08G6/00C08G2/00
    • C08G2/18C08G2/06C08G2/10C08G2/28
    • To prepare a thermally very stable polyacetal copolymer containing a very small amount of unstable parts in a high yield according to a simple process wherein an isopolyacid or an acid salt thereof is used as the polymerization catalyst in the copolymerization of trioxane as the principal monomer with a comonomer copolymerizable therewith, and wherein deactivation of the catalyst can be effected simply without fail through contact with a basic gas after polymerization without the necessity for any washing step. In the preparation of a polyacetal copolymer by the copolymerization of trioxane as the principal monomer with a cyclic ether or cyclic formal having at least one carbon--carbon bond as a comonomer, the copolymerization is effected using an isopolyacid or an acid salt thereof as the polymerization catalyst, followed by contact with a basic gas as a deactivator to deactivate the catalyst, and subsequent heat-melting treatment of the resulting crude polymer intact without washing thereof.
    • 为了制备含有非常少量的不稳定部分的热非常稳定的聚缩醛共聚物,根据简单的方法,其中在三恶烷作为主要单体的共聚合中使用异多酸或其酸盐作为聚合催化剂, 可与其共聚的共聚单体,并且其中催化剂的失活可以通过在聚合后与碱性气体接触而简单地进行,而不需要任何洗涤步骤。 在通过三恶烷作为主要单体与具有至少一个碳 - 碳键作为共聚单体的环状醚或环状缩甲醛进行共聚制备聚缩醛共聚物时,使用等多酸或其酸性盐作为聚合反应进行共聚 催化剂,然后与作为失活剂的碱性气体接触以使催化剂失活,随后对所得粗聚合物进行热熔融处理而不洗涤。