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    • 1. 发明授权
    • Sealing structure of stop valve
    • 截止阀密封结构
    • US06776182B2
    • 2004-08-17
    • US10281147
    • 2002-10-28
    • Akihiro IshitoyaTakashi FujimakiKimiyasu KimuraKenichi Ito
    • Akihiro IshitoyaTakashi FujimakiKimiyasu KimuraKenichi Ito
    • F16K2404
    • F16K1/46F16K1/38F16K24/044F16K25/00Y10T137/3099
    • A stop valve which is fitted with a cylindrical supporting portion is comprised of a ring-shaped rigid axial portion, a ring-shaped platy bendable valve portion extending outward, and a sealing lip portion extending inward. The sealing lip portion has a first sealing lip which extends obliquely upward from the rigid axial portion and has a semi-circular seal effecting face provided at an edge thereof, and a second sealing lip which extends obliquely downward from the rigid axial portion and has a semi-circular seal effecting face provided at an edge thereof. The first and second sealing lips have an extending portion which connects the edge seal effecting face with the rigid axial portion and has substantially a same thickness as a diameter of the semi-circular shape.
    • 装有圆柱形支撑部分的截止阀包括环形刚性轴向部分,向外延伸的环形板状可弯曲阀部分和向内延伸的密封唇部分。 密封唇部具有从刚性轴部向斜上方延伸的第一密封唇缘,并且具有设置在其边缘的半圆形密封效果面和从刚性轴部向斜下方延伸的第二密封唇, 半圆形密封效果面设置在其边缘。 第一和第二密封唇具有延伸部分,该延伸部分将边缘密封效果面与刚性轴向部分相连,并且具有与半圆形形状的直径基本上相同的厚度。
    • 5. 发明授权
    • Production method of polyethylene terephthalate graft copolymerized resin and molded product thereof
    • 聚对苯二甲酸乙二醇酯接枝共聚树脂的制造方法及其成型体
    • US08258239B2
    • 2012-09-04
    • US12667312
    • 2007-12-28
    • Takashi FujimakiYoshitomo UrataHiroshi Shibano
    • Takashi FujimakiYoshitomo UrataHiroshi Shibano
    • C08L67/03
    • C08G63/916C08J9/04C08J2367/02C08L63/00
    • The present invention provides a method of producing a polyethylene terephthalate graft copolymerized resin, comprising subjecting the following mixture to a homogeneous reaction at a temperature of 250° C. or higher to impart a high melt viscosity to the mixture, the mixture containing (A) 100 parts by weight of a polyethylene terephthalate polyester as a main material, (B) 0.01 to 2 parts by weight of a polymeric polyfunctional epoxy compound containing 7 to 100 epoxy groups in a molecule and having a molecular weight of 1,000 to 300,000 as a coupling agent, (C) 0.01 to 1 part by weight of a metal salt of an organic acid as a coupling reaction catalyst, and (D) 0 to 100 parts by weight of an aromatic alicyclic polyester and/or an aromatic aliphatic polyester each having a carboxyl group in an aromatic nucleus as an auxiliary material.
    • 本发明提供了一种聚对苯二甲酸乙二醇酯接枝共聚树脂的制造方法,其特征在于,在250℃以上的温度下对下述混合物进行均相反应,赋予混合物高熔融粘度,含有(A) 100重量份的聚对苯二甲酸乙二醇酯聚酯作为主要材料,(B)0.01至2重量份的分子中含有7至100个环氧基并且分子量为1,000至300,000的环氧基的聚合多官能环氧化合物作为偶联剂 (C)0.01〜1重量份的作为偶联反应催化剂的有机酸的金属盐,和(D)0〜100重量份的芳族脂环族聚酯和/或芳香族脂肪族聚酯, 芳族核中的羧基作为辅助材料。
    • 8. 发明申请
    • Method of producing a weld-cut sealing/heat-shrinkable packaging film formed of a polyethylene terephthalate-based block copolymer polyester
    • 由聚对苯二甲酸乙二醇酯类嵌段共聚物聚酯形成的熔接密封/热收缩性包装膜的制造方法
    • US20070052131A1
    • 2007-03-08
    • US10572674
    • 2004-09-21
    • Takashi FujimakiYukio KobayashiTakashi NakamotoHiroshi Shibano
    • Takashi FujimakiYukio KobayashiTakashi NakamotoHiroshi Shibano
    • B29C71/00
    • C08G59/42
    • A PET-based polyester packaging film capable of weld-cut sealing and heat-shrinkage refers to a film obtained by biaxially orienting a material prepared through block copolymerization of a PET/PETG/polyester elastomer with an epoxy resin and a catalyst. This film eliminates the most serious weak points in physical properties of conventional PET films, and is useful for packaging of books, bottlesets, food containers, etc., for general packaging, packaging of industrial materials, and the like, and is further useful in the field of packing and packaging of daily commodities, civil engineering and construction members, electric and electronic members, and automobile vehicle members, etc. Moreover, this film can be produced through effective use of the huge amount of recycled PET bottles and inexpensive PET for fiber as a prepolymer, and thus is also highly beneficial socially. Still further, even if incinerated after use, this film produces a combustion heat value lower than that of a polyethylene or polypropylene. Thus, this film barely damages incinerators or the like, and emits no toxic gases.
    • 能够进行切割密封和热收缩的PET系聚酯包装膜是指通过PET / PETG /聚酯弹性体与环氧树脂和催化剂的嵌段共聚制备的材料双轴取向而获得的膜。 该膜消除了常规PET膜的物理性能中最严重的弱点,并且用于包装书籍,瓶子,食品容器等,用于一般包装,工业材料包装等,并且还可用于 日用品包装和包装领域,土木工程施工人员,电气电子部件和汽车用品等。此外,该膜可以通过有效利用大量的回收PET瓶和廉价的PET来生产 纤维作为预聚物,因此在社会上也是非常有益的。 此外,即使在使用后焚烧,该膜产生低于聚乙烯或聚丙烯的燃烧热值。 因此,该膜几乎不损坏焚烧炉等,并且不产生有毒气体。