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    • 12. 发明授权
    • Glass material for mold pressing and method for manufacturing optical glass element
    • 用于模压的玻璃材料和用于制造光学玻璃元件的方法
    • US08206830B2
    • 2012-06-26
    • US12295620
    • 2007-03-28
    • Xuelu ZouYasuhiro Fujiwara
    • Xuelu ZouYasuhiro Fujiwara
    • B32B17/06C03B23/02
    • C03C17/02C03C3/062C03C3/064C03C3/066C03C3/068C03C3/089C03C3/091C03C3/093C03C3/095C03C3/155C03C3/16C03C3/17C03C3/19C03C3/21C03C3/247
    • A glass material for mold pressing, comprising a core portion comprised of an optical glass with a degree of abrasion FA of 200 or higher and a covering portion comprised of a second glass covering at least a portion of the surface of said core portion. A method for manufacturing an optical glass element, wherein a glass material that has been preformed to a prescribed shape is heat softened and press molded with a pressing mold and the outer perimeter portion of the molded product obtained is removed by mechanical processing. The above-mentioned glass material for mold pressing is used as the glass material. To provide a means whereby an optical element does not bear scratches on optically functional surfaces through contact during handling after the press molding of press molded glass products despite being comprised of a glass material with a high degree of abrasion, and a means whereby even when scratched, the function of the optical element finally obtained is unaffected.
    • 一种用于模压的玻璃材料,包括由磨损度为200以上的光学玻璃构成的芯部和由覆盖所述芯部的表面的至少一部分的第二玻璃构成的覆盖部。 一种制造光学玻璃元件的方法,其中已经预成形为规定形状的玻璃材料被热软化并用压模模压,并且通过机械加工除去所获得的模制产品的外周部分。 将上述用于模压的玻璃材料用作玻璃材料。 为了提供一种装置,其中光学元件在加压成型玻璃制品的加压成形之后的处理过程中通过接触而不会在光学功能表面上产生刮痕,尽管由具有高磨损性的玻璃材料组成, 最终获得的光学元件的功能不受影响。
    • 13. 发明申请
    • POMPON MAKING TOOL
    • POMPON制作工具
    • US20110113607A1
    • 2011-05-19
    • US12861527
    • 2010-08-23
    • Yasuhiro FUJIWARA
    • Yasuhiro FUJIWARA
    • D04D7/00
    • D04D7/10
    • A pompon making tool includes a first member and a second member to be superposed on each other. The first member includes a pair of arms movable relative to each other, and each arm includes an arcuate portion. Likewise, the second member includes a pair of arms movable relative to each other, and each arm includes an arcuate portion. The arcuate portions of the first and the second member each include a base plate portion, and a pair of thread support portions spaced apart from each other in the width direction of the base plate portion. The thread support portions each include a top portion on the outer side of the base plate portion and extend in the longitudinal direction of the arcuate portion.
    • 制绒工具包括彼此重叠的第一构件和第二构件。 第一构件包括可相对于彼此移动的一对臂,并且每个臂包括弓形部分。 类似地,第二构件包括可相对于彼此移动的一对臂,并且每个臂包括弓形部分。 第一和第二构件的弓形部分各自包括基板部分和在基板部分的宽度方向上彼此间隔开的一对螺纹支撑部分。 线支撑部分各自包括在基板部分的外侧上的顶部,并且在弓形部分的纵向方向上延伸。
    • 17. 发明授权
    • Optical glass, press-molding preform and optical part
    • 光学玻璃,压制成型预制件和光学部件
    • US07468338B2
    • 2008-12-23
    • US11902409
    • 2007-09-21
    • Kazutaka HayashiYasuhiro FujiwaraZou Xuelu
    • Kazutaka HayashiYasuhiro FujiwaraZou Xuelu
    • C03C3/15C03C3/155C03C3/068
    • C03C3/253C03B7/12C03B11/08C03B40/04C03C3/068C03C3/15C03C3/155
    • A high-refractivity low-dispersion optical glass that gives press-molding preforms excellent in high-temperature shapability and suitable for precision press-molding, including an optical glass comprising B2O3, La2O3, Gd2O3 and ZnO as essential components, substantially containing none of lead and fluorine, having a refractive index (nd) of 1.72 to 1.83, an Abbe's number (νd) of 45 to 55 and a glass transition temperature (Tg) of 630° C. or lower and having a viscosity of at least 0.6 Pa·s at its liquidus temperature, and an optical glass comprising, by mol %, 45 to 65% of B2O3, 5 to 22% of La2O3, 1 to 20% of Gd2O3, provided that the total content of La2O3 and Gd2O3 is 14 to 30%, 5 to 30% of ZnO, 0 to 10% of SiO2, 0 to 6.5% of ZrO2 and 0 to 1% of Sb2O3, substantially containing none of lead and fluorine, and having a refractive index (nd) of 1.72 to 1.83 and an Abbe's number (νd) of 45 to 55.
    • 一种高折射率低分散度光学玻璃,其具有优异的高温成型性和适合于精密加压成型的压模成型预成型体,包括以B 2 O 3,La 2 O 3,Gd 2 O 3和ZnO为主要成分的光学玻璃,其基本上不含有铅 和折射率(nd)为1.72〜1.83,阿贝数(nud)为45〜55,玻璃化转变温度(Tg)为630℃以下,粘度为0.6Pa以上的氟。 以及含有摩尔百分比为45〜65%的B2O3,5〜22%的La2O3,1〜20%的Gd2O3的光学玻璃,条件是La2O3和Gd2O3的总含量为14〜30 %,5〜30%的ZnO,0〜10%的SiO 2,0〜6.5%的ZrO 2和0〜1%的Sb 2 O 3,基本上不含铅和氟,折射率(nd)为1.72〜1.83 阿贝数(nud)为45到55。
    • 18. 发明申请
    • Needle threader
    • 针穿线器
    • US20080169320A1
    • 2008-07-17
    • US12009265
    • 2008-01-17
    • Yasuhiro Fujiwara
    • Yasuhiro Fujiwara
    • D05B87/00
    • D05B87/00
    • A needle threader includes a flat handle portion and a thread-introducing loop portion extending from the handle portion. The thread-introducing loop portion includes a folded insertion edge at a tip for insertion into an eye of a needle. The thread-introducing loop portion includes a plate member having a first end, a second end, and a narrow band portion integrally connecting between the first and second ends. The narrow band portion has the folded insertion edge at a lengthwise center. The first end and the second end of the plate member are laid one on another and held in the handle portion. The narrow band portion is exposed from the handle portion to form the thread-introducing loop portion.
    • 穿线器包括平坦的手柄部分和从把手部分延伸的导纱环部分。 引线环部分包括在尖端处的折叠插入边缘,用于插入针的眼睛。 引线环部分包括具有第一端部,第二端部和整体连接在第一端部与第二端部之间的窄带部分的板状部件。 窄带部分在纵向中心处具有折叠的插入边缘。 板构件的第一端和第二端一个放置在另一端并保持在把手部分中。 窄带部分从把手部分露出以形成线引导环部分。
    • 20. 发明申请
    • Optical glass, press-molding preform and optical part
    • 光学玻璃,压制成型预制件和光学部件
    • US20050113240A1
    • 2005-05-26
    • US10977937
    • 2004-11-01
    • Kazutaka HayashiYasuhiro FujiwaraZou Xuelu
    • Kazutaka HayashiYasuhiro FujiwaraZou Xuelu
    • G02B1/00C03B7/12C03B11/00C03B11/08C03B40/04C03C3/068C03C3/15C03C3/155G02B3/00
    • C03C3/253C03B7/12C03B11/08C03B40/04C03C3/068C03C3/15C03C3/155
    • A high-refractivity low-dispersion optical glass that gives press-molding preforms excellent in high-temperature shapability and suitable for precision press-molding, including an optical glass comprising B2O3, La2O3, Gd2O3 and ZnO as essential components, substantially containing none of lead and fluorine, having a refractive index (nd) of 1.72 to 1.83, an Abbe's number (νd) of 45 to 55 and a glass transition temperature (Tg) of 630° C. or lower and having a viscosity of at least 0.6 Pa·s at its liquidus temperature, and an optical glass comprising, by mol %, 45 to 65% of B2O3, 5 to 22% of La2O3, 1 to 20% of Gd2O3, provided that the total content of La2O3 and Gd2O3 is 14 to 30%, 5 to 30% of ZnO, 0 to 10% of SiO2, 0 to 6.5% of ZrO2 and 0 to 1% of Sb2O3, substantially containing none of lead and fluorine, and having a refractive index (nd) of 1.72 to 1.83 and an Abbe's number (νd) of 45 to 55.
    • 一种高折射率低分散度光学玻璃,其具有优异的高温成形性且适用于精密加压成型的压制成型预成型体,包括含有B 2 O 3 O 3的光学玻璃, SUB>,La 2 O 3 3,Gd 2 O 3 3和ZnO作为必要组分,基本上不含有 铅和氟,折射率(nd)为1.72〜1.83,阿贝数(nud)为45〜55,玻璃化转变温度(Tg)为630℃以下,粘度为0.6Pa以上 以及其液相线温度的光学玻璃,以及包含摩尔%的45%至65%的B 2 O 3 3的光学玻璃,5至22%的La 2 O 3, 2 <3 O 3,1〜20%的Gd 2 O 3 3,条件是La 2的总含量 O 3 3和Gd 2 O 3 3为14〜30%,ZnO为5〜30%,0〜10% SiO 2 2,0〜6.5%的ZrO 2 2和0〜1%的Sb 2 O 3 3,实质上 不含铅和氟,折射率(nd)为1.72〜1.83,阿贝数(nud)为45〜55。