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    • 2. 发明公开
    • Seamless can and a method of producing the same
    • Falznahtlose Dose und sein Herstellungsverfahren。
    • EP0666124A1
    • 1995-08-09
    • EP95300639.2
    • 1995-02-01
    • TOYO SEIKAN KAISHA LIMITED
    • Kobayashi, AkiraKurashima, HideoSato, HarumiFujita, SatoshiImazu, Katsuhiro
    • B21D22/20B32B15/08B65D1/28
    • B32B15/09B21D22/20B21D51/26B32B1/02B32B15/08B32B27/36B32B2307/516B32B2307/518B32B2367/00B32B2439/02B32B2439/66B65D1/28Y10S220/22Y10S220/906Y10T428/1355Y10T428/31681
    • A seamless can obtained by forming a laminated material of a metal and a polyester film into a cup such that a final draw ratio defined by H/D (H: height, D: diameter of the bottom portion) is not smaller than 1.5, wherein a polyester (A) on the bottom portion of the container has a biaxial orientation degree (R X ) defined by the following formula (1), R X = I A /I B
         wherein I A is a diffraction intensity by a diffraction plane having a spacing of about 0.34 nm (CuKα X-ray diffraction angle is from 24° to 28° ) in parallel with the polyester film surface on the bottom portion, and I B is a diffraction intensity by a diffraction plane having a spacing of about 0.39 nm (CuKα X-ray diffraction angle is from 21.5° to 24° ) in parallel with the polyester film surface on the bottom portion.
      of from 2.5 to 20, and a polyester on the barrel portion of the container has a monoaxial orientation satisfying the following formula (2), 0.55 A /I B -1.1ε + 0.53]
         wherein cos² φ is an index representing the degree of monoaxial orientation of the polyester film at a portion where the barrel portion is measured, and is given by the formula (3),
         wherein I(φ) is an X-ray diffraction intensity at an angle φ by a diffraction plane (plane index of -105) having a spacing of about 0.21 nm (CuKα X-ray diffraction angle of from 41° to 45° ) at right angles with the polyester film surface, φ is a value represented by the β -scanning angle of X-ray diffraction up to -90° presuming that the angle of structural inclination between a vector of a normal on the diffraction plane and the polyester fiber axis is zero with respect to the direction of height of the can, I A is a diffraction intensity by a diffraction plane having a spacing of about 0.34 nm (CuKα X-ray diffraction angle is from 24° to 28° ) in parallel with the polyester film surface on the bottom portion of the can, I B is a diffraction intensity by a diffraction plane having a spacing of about 0.39 nm (CuKα X-ray diffraction angle is from 21.5° to 24° ) in parallel with the polyester film surface on the bottom portion of the can, and ε is a considerable strain by the processing of the laminated material at the can body measuring portion,
      and a method of producing the same.
    • 通过将金属和聚酯膜的层压材料形成为杯状物,使得由H / D(H:高度,D:底部的直径)限定的最终拉伸比不小于1.5可以获得无缝的,其中 容器底部的聚酯(A)具有由下式(1)定义的双轴取向度(RX),其中IA是具有约0.34nm间距的衍射平面的衍射强度( CuKαX射线衍射角为24°至28°),并且IB为具有约0.39nm间距的衍射平面的衍射强度(CuKαX-射线 衍射角为21.5°〜24°),与底部的聚酯膜表面平行。 为2.5〜20,容器的筒部上的聚酯具有满足下式(2)的单轴取向,其中cos 2是表示聚酯膜的单轴取向度的指标 在测量筒部的部分,由公式(3)给出,其中I(phi)是衍射平面(平面指数为-105)的角度phi处的X射线衍射强度, 具有与聚酯膜表面成直角的约0.21nm的间隔(CuKαX射线衍射角为41°至45°),phi是由X射线衍射的β-扫描角表示的值 -90°,假设衍射平面上的法线矢量与聚酯纤维轴之间的结构倾斜角相对于罐的高度方向为零,IA是具有间隔的衍射平面的衍射强度 约0.34nm(CuKαX射线衍射角 le为24°至28°),与罐底部的聚酯膜表面平行,IB为间隔为约0.39nm的衍射平面的衍射强度(CuKαX射线衍射角为 21.5°〜24°)与罐底部的聚酯膜表面平行,并且通过在罐体测量部分处理层压材料,ε是相当大的应变,及其制造方法。
    • 5. 发明公开
    • Process for producing a resin-metal laminate
    • 赫尔斯芬伦·赫斯特伦
    • EP0841159A3
    • 1999-01-27
    • EP97309057.4
    • 1997-11-11
    • TOYO SEIKAN KAISHA LIMITED
    • Kobayashi, AkiraImazu, KatsuhiroMaida, NorimasaYamada, Koji
    • B32B31/30B32B15/08
    • B32B37/153B29C47/0021B29C47/025B29C47/782B29C47/8805B29C47/8845B29C47/8895B32B15/08B32B37/0053B32B2309/02B32B2309/06
    • The process for producing a resin-metal laminate material of the present invention is characterized by comprising providing a heating zone for a metal substrate, a die for feeding a thermoplastic resin in a film form, a pair of temperate laminate rolls for adhering the thermoplastic resin to at least one surface of the metal substrate, and quenching means for quenching the resulting laminate material, along a passage for the metal substrate, supporting and conveying a molten film of the thermoplastic resin from the die with the corresponding temperate laminate rolls and feeding it to a nipping position between the temperate laminate rolls, and fusing the thin film of the thermoplastic resin to at least one surface of the heated metal substrate by means of the temperate laminate rolls. This method can lead to the formation of a uniform and thin-film resin coating on the metal substrate at a high speed, and in addition, the formed resin film has very high intimate adhesiveness and film properties.
    • 本发明的树脂 - 金属层压材料的制造方法的特征在于,提供金属基材用加热区域,将薄膜状的热塑性树脂进行供给的模具,一对温和的层压辊, 到金属基材的至少一个表面,以及淬火装置,用于沿着金属基材的通道淬火所得到的层压材料,用相应的温和层压辊将模具中的热塑性树脂的熔融薄膜支撑并输送,并将其进料 到温和层压辊之间的夹持位置,并且通过温和层压辊将热塑性树脂的薄膜熔合到加热的金属基底的至少一个表面上。 该方法可以高速地在金属基板上形成均匀的薄膜树脂涂层,另外,形成的树脂膜具有非常高的紧密粘合性和膜特性。
    • 7. 发明公开
    • Method of producing extrusion-laminated member
    • Verfahren zum Herstellen einesVerbundkörpersdurch Extrusionsbeschichtung
    • EP1095767A3
    • 2003-05-28
    • EP00309510.6
    • 2000-10-27
    • TOYO SEIKAN KAISHA LIMITED
    • Yamada, KojiKobayashi, AkiraFunagi, Yuji
    • B32B31/30
    • B32B37/153B29C47/0021B29C47/782B29C47/8805B29C47/886B29C47/8895B32B37/085B32B2307/72B32B2309/02B32B2309/105B32B2309/12B32B2311/00B32B2367/00
    • A method of stably forming a film of a molten resin by extrusion lamination, preventing the swinging of the film and excess of necking during the extrusion lamination, increasing a width of film in the flat portion, increasing the yield of product and improving the intimate adhesion onto the base member. Namely, the method of producing an extrusion-laminated member (7) by extruding a thermoplastic resin from a T-die (2) into the form of a film (1) and laminating the film on a metallic base member (3) using laminating rolls (6a,6b), wherein a pre-roll (5) is disposed between the T-die (2) and the laminating roll to receive the film on the side opposite to the side that adheres onto the base member (3) over the whole width of the film, the film received by the pre-roll (5) is fed to the laminating rolls, conveyed by being supported by the laminating rolls (6a,6b) on the side opposite to the side that adheres onto the base member (3) and is fed to a nipping position so as to be melt-adhered onto the heated metal blank.
    • 通过挤出层压稳定地形成熔融树脂膜的方法,在挤出层压期间防止膜的旋转和缩颈过度的增加,平坦部分中的膜的宽度增加,并且提高产品的附着力 到基座上。 即,通过将热塑性树脂从T模(2)挤出成薄膜(1)的方式制造挤出层压部件(7)的方法,并使用层压法将薄膜层压在金属基材(3)上 辊(6a,6b),其中在T模(2)和层压辊之间设置预辊(5),以在与粘附到基底构件(3)的侧面相反的一侧上接收膜 将薄膜的整个宽度,由前辊(5)接收的薄膜供给到层压辊,通过在与粘合到基底上的侧面相反的一侧由层压辊(6a,6b)支撑而输送 构件(3),并被馈送到夹持位置,以便熔融粘附到加热的金属坯料上。
    • 9. 发明公开
    • Method of producing seamless cans
    • Verfahren zur Herstellung falznahtloser Dosen。
    • EP0667193A1
    • 1995-08-16
    • EP95300932.1
    • 1995-02-15
    • TOYO SEIKAN KAISHA LIMITED
    • Saiki, NorihitoKobayashi, AkiraImazu, KatsuhiroKobayashi, Tomomi
    • B21D22/28
    • B21D22/28B21D51/26
    • A method of producing seamless cans wherein a blank holder (2) is inserted in a metal cup (5) coated with an organic film (12), a punch (1) is advanced into a cavity (7) in a die (3) while pushing the bottom (5a) of the metal cup onto the flat surface portion (3a) of the die by the blank holder (2), so that the side wall (5b) of the metal cup (5) is brought into intimate contact with the flat surface portion (3a) of the die and with the working corner (3b) having a small radius of curvature, thereby to reduce the thickness of the side wall (5b) by bend-elongation. Moreover, the portion to be subjected to the necking is ironed at an ironing ratio of not smaller than 5% by the punch (1) in cooperation with the front end (3b₁) of the working corner (3b), or by the front end (3b₁) and an ironing portion of a short cylindrical portion in front thereof, or by the punch (1) in cooperation with the ironing portion (3g) of the die (3) by advancing the side wall (5b) slightly toward the inside in the cavity (7), thereby to obtain a seamless can (20) having a reduced thickness in the side wall (5b). This method makes it possible to control the thickness distribution in the side wall and, hence, to produce seamless cans having reduced thickness in the side wall permitting the organic film to be least whitened during the necking working.
    • 一种生产无缝罐的方法,其中坯料夹持器(2)插入涂覆有机膜(12)的金属杯(5)中,冲头(1)前进到模具(3)中的空腔(7) 同时通过坯料夹持器(2)将金属杯的底部(5a)推压到模具的平坦表面部分(3a)上,使金属杯(5)的侧壁(5b)紧密接触 与模具的平面部分(3a)和工作角(3b)具有小的曲率半径,从而通过弯曲伸长来减小侧壁(5b)的厚度。 此外,通过与作业转角(3b)的前端(3b1)配合的冲头(1),或者通过前端部(3b)与熨烫比率不小于5%的熨烫部分熨烫, (3b1)和其前部的短圆柱形部分的熨烫部分,或者通过使模具(3)的熨烫部分(3g)协同工作,通过使侧壁(5b)略微朝向内侧 在空腔(7)中,从而获得在侧壁(5b)中具有减小厚度的无缝罐(20)。 这种方法使得可以控制侧壁中的厚度分布,并因此产生在侧壁中具有减小的厚度的无缝罐,从而允许有机膜在颈缩加工期间最不发白。