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54 条记录 (耗时 0.034 秒)

    Structure for suppressing flow vibration of instrumentation guide tube
    11.
    发明授权
    Structure for suppressing flow vibration of instrumentation guide tube 有权
    用于抑制仪表导管流动振动的结构

    公开(公告)号：US08903032B2

    公开(公告)日：2014-12-02

    申请号：US12527484

    申请日：2008-02-22

    申请人： Nobuki Uda ,  Shigeyuki Watanabe ,  Kazuo Hirota ,  Hideyuki Sakata ,  Hideyuki Morita ,  Makoto Nakajima ,  Chikara Kurimura ,  Toshio Ichikawa

    发明人： Nobuki Uda ,  Shigeyuki Watanabe ,  Kazuo Hirota ,  Hideyuki Sakata ,  Hideyuki Morita ,  Makoto Nakajima ,  Chikara Kurimura ,  Toshio Ichikawa

    IPC分类号： G21C7/06 ,  G21C17/10 ,  G21C17/08 ,  G21C3/322

    CPC分类号： G21C17/10 ,  G21C3/322 ,  G21C17/08 ,  G21Y2002/207 ,  G21Y2002/303 ,  G21Y2004/30

    摘要： An upper hole 37A and a lower hole 37B are provided at two positions, namely, upper and lower portions, of a side surface of a guide tube 27, and a thimble tube 22 is pressed against an inner circumferential surface of the guide tube 27, by a differential pressure between coolant inside and outside the upper hole 37A and the lower hole 37B. It is preferable that an upper pressure adjustment hole and a lower pressure adjustment hole are provided at two positions, namely, upper and lower portions, of a side surface of an upper core support column 21, and a coolant flowing into the guide tube from an upper end of the guide tube flows out to the outside from inside the guide tube through a gap between the thimble tube and the upper hole, and also flows out to the outside from inside the upper core support column through the upper pressure adjustment hole, and a coolant flowing into the guide tube from a lower end of the guide tube flows out to the outside from inside the guide tube through a gap between the thimble tube and the lower hole, and also flows out to the outside from inside the upper core support column through the lower pressure adjustment hole.

    摘要翻译： 在引导管27的侧面的两个位置，即上下部分设置有上孔37A和下孔37B，并且将套管22压靠在引导管27的内周面上， 通过上部孔37A和下部孔37B的内部和外部的冷却剂之间的压力差。 优选的是，上压力调节孔和下压力调节孔设置在上芯支撑柱21的侧表面的两个位置，即上部和下部，以及从上部芯支撑柱21的侧表面流入导管的冷却剂 引导管的上端通过引导管和上孔之间的间隙从导管的内部流出到外部，并且还通过上压力调节孔从上芯支撑柱的内部流出到外部，并且 从引导管的下端流入引导管的冷却剂通过引导管和下孔之间的间隙从引导管的内部流出到外部，并且还从上部芯支撑体内部流出到外部 柱通过下压力调节孔。

    Glass powder for glass ionomer cement
    12.
    发明授权
    Glass powder for glass ionomer cement 失效
    玻璃离子水泥玻璃粉

    公开(公告)号：US06355585B1

    公开(公告)日：2002-03-12

    申请号：US09516204

    申请日：2000-02-29

    申请人： Yoshimasa Suzuki ,  Masaaki Kaneko ,  Kaori Okada ,  Kazuo Hirota

    发明人： Yoshimasa Suzuki ,  Masaaki Kaneko ,  Kaori Okada ,  Kazuo Hirota

    IPC分类号： A61K606

    CPC分类号： A61K6/0017 ,  A61K6/0038 ,  A61K6/0835 ,  C03C12/00 ,  C08L33/00

    摘要： A glass powder for glass ionomer cement is disclosed, containing a glass powder for glass ionomer cement having a shape in which a major axis length is from 3 to 1,000 times a minor axis length, in a glass powder for glass ionomer cement. The glass powder for glass ionomer cement having a shape in which a major axis length is from 3 to 1,000 times a minor axis length is a fibrous glass having a minor axis length of from 0.1 to 100 &mgr;m and a major axis length of 500 &mgr;m or less, and its content is within a range of from 0.1 to 80% by weight, being enable to provide a glass ionomer cement set material having a high mechanical strength, particularly bending strength and tensile strength.

    摘要翻译： 公开了一种用于玻璃离子交联聚合物水泥的玻璃粉末，其中玻璃离聚物粘合剂用玻璃粉末中含有长轴长度为短轴长度3至1000倍的玻璃离聚物粘固剂用玻璃粉末。 具有短轴长度为短轴长度的3至1000倍的形状的玻璃离子交联聚合物水泥玻璃粉末是短轴长度为0.1至100μm，长轴长度为500μm的纤维玻璃，或 更少，其含量在0.1〜80重量％的范围内，能够提供具有高机械强度，特别是弯曲强度和拉伸强度的玻璃离聚物粘结剂组合物。

    Method for setting dental glass ionomer cement
    13.
    发明授权
    Method for setting dental glass ionomer cement 有权
    牙科玻璃离聚物水泥的设置方法

    公开(公告)号：US06264472B1

    公开(公告)日：2001-07-24

    申请号：US09631117

    申请日：2000-08-02

    申请人： Kaori Okada ,  Kazuo Hirota

    发明人： Kaori Okada ,  Kazuo Hirota

    IPC分类号： A61C500

    CPC分类号： A61K6/0023 ,  A61K6/0017 ,  A61K6/0835 ,  C08L33/00

    摘要： A method for setting a dental glass ionomer cement by means of irradiation with a light to accelerateinitial setting, the cement comprising a fluoroaluminosilicate glass powder, a polycarboxylic acid and water, is disclosed. Further, the light to be irradiated in the method for setting the dental glass ionomer cement is preferably a light having a wavelength in the range of from 320 to 3,000 nm, and the irradiation intensity and irradiation time of the light are preferably from 200 to 3,000 mW/cm2 and from 1 to 180 seconds, respectively. According to the method for setting the dental glass ionomer cement of this invention, the time for sensitization to water and the initial setting time can be shortened, without necessity of particularly performing an operation for preventing the sensitization to water with a varnish or the like.

    摘要翻译： 公开了一种通过用光照射来设置牙科玻璃离聚物粘固剂以加速初始凝固的方法，所述水泥包含氟铝硅酸盐玻璃粉末，多元羧酸和水。 此外，用于设置牙科玻璃离聚物粘固剂的方法中的照射光优选为波长在320〜3000nm范围内的光，光的照射强度和照射时间优选为200〜3000 mW / cm 2和1至180秒。 根据本发明的牙科玻璃离聚物粘固剂的设置方法，可以缩短对水的敏化时间和初始凝固时间，而无需特别地进行防止用清漆等对水的敏化的操作。

    Dental filling resin composition
    14.
    发明授权
    Dental filling resin composition 失效
    牙科填充树脂组合物

    公开(公告)号：US5962550A

    公开(公告)日：1999-10-05

    申请号：US35264

    申请日：1998-03-05

    申请人： Shoji Akahane ,  Hisashi Sato ,  Hideki Yarimizu ,  Kazuo Hirota

    发明人： Shoji Akahane ,  Hisashi Sato ,  Hideki Yarimizu ,  Kazuo Hirota

    IPC分类号： A61K6/08 ,  A61K6/083 ,  C03C3/062 ,  C03C3/112 ,  C03C8/06 ,  C03C12/00 ,  C08L101/00 ,  C08K3/34

    CPC分类号： A61K6/0017 ,  A61K6/0835 ,  C03C12/00 ,  C03C3/062 ,  C03C3/112 ,  C03C8/06

    摘要： A dental filling resin composition is disclosed, comprising: a reaction product between an aluminosilicate glass powder containing at least one element selected from Ca, Sr, and Ra and an organic acid containing one or more carboxyl groups in one molecule thereof, a methanol-insoluble polymer, a monomer containing at least one unsaturated double bond and having no acidic group, and a polymerization initiator, and optionally a filler.The dental filling resin composition of the invention has not only superior mechanical characteristics and esthetics but also an ability to release a fluorine ion and therefore, can be suitably used for a wide variety of clinical applications such as filling restoration of tooth, core construction, or sealing of pit and fissure.

    摘要翻译： 公开了一种牙科用填充树脂组合物，其包含：含有选自Ca，Sr和Ra中的至少一种元素的铝硅酸盐玻璃粉末与在其一分子中含有一个或多个羧基的有机酸的反应产物，不溶于甲醇的甲醇 聚合物，含有至少一个不饱和双键且不具有酸性基团的单体，以及聚合引发剂，以及任选的填料。 本发明的牙科用填充树脂组合物不仅具有优异的机械特性和美观性，而且具有释放氟离子的能力，因此可适用于各种临床应用，例如牙齿的填充修复，芯构造或 密封坑和裂缝。

    Glass powders for dental glass ionomer cements
    19.
    发明授权
    Glass powders for dental glass ionomer cements 失效
    用于牙科玻璃离聚物水泥的玻璃粉末

    公开(公告)号：US4900697A

    公开(公告)日：1990-02-13

    申请号：US150299

    申请日：1988-01-29

    申请人： Shoji Akahane ,  Satoshi Tosaki ,  Kazuo Hirota ,  Kentaro Tomioka

    发明人： Shoji Akahane ,  Satoshi Tosaki ,  Kazuo Hirota ,  Kentaro Tomioka

    IPC分类号： A61K6/06 ,  A61K6/083 ,  C03C3/062 ,  C03C3/112 ,  C03C12/00 ,  C03C15/00 ,  C04B28/28

    CPC分类号： A61K6/0023 ,  A61K6/0835 ,  C03C15/00 ,  C03C3/062 ,  C03C3/112 ,  C04B12/00 ,  C04B28/005 ,  C04B28/28 ,  C04B2111/00836

    摘要： A fluoroaluminosilicate glass powder for dental glass ionomer cements has a specific gravity of 2.4 to 3.5 and a mean particle size of 0.02 to 10 .mu.m, contains in its components 20 to 50% by weight of SiO.sub.2, 20 to 40% by weight of Al.sub.2 O.sub.3, 15 to 40% by weight of SrO, 1 to 20% by weight of F.sub.2 and 0 to 15% by weight of P.sub.2 O.sub.5 on the converted oxide basis, and is substantially free from alkali metal ions such as Li, Na, K, Rb and Cs ions, and Be, Mg (and Ca) and Ba ions of alkali earth metal ions. For further improvements in physical properties, 100 parts by weight of the glass powder are surface-treated with 0.01 to 5 parts by weight of an acid and/or a fluoride.

    摘要翻译： 用于牙科玻璃离聚物粘固剂的氟铝硅酸盐玻璃粉末的比重为2.4至3.5，平均粒径为0.02至10微米，其组分包含20至50重量％的SiO 2，20至40重量％的Al 2 O 3 ，15〜40重量％的SrO，1〜20重量％的F 2和0〜15重量％的P 2 O 5，基本上不含碱金属离子如Li，Na，K，Rb 和Cs离子，以及碱土金属离子的Be，Mg（和Ca）和Ba离子。 为了进一步改善物理性能，将100重量份的玻璃粉末用0.01至5重量份的酸和/或氟化物进行表面处理。