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    • 6. 发明授权
    • Tooling for forming a stent
    • 用于形成支架的模具
    • US06514063B2
    • 2003-02-04
    • US09792961
    • 2001-02-26
    • Michael A. AcciaiRichard R. HallJohn T. Legg
    • Michael A. AcciaiRichard R. HallJohn T. Legg
    • B29C4500
    • A61F2/90
    • The present invention relates to a method and tooling for forming a stent and the stent so formed. The stent includes filaments of a first material and joints of a second material. The present invention also discloses the above described stent in combination with an angioplasty balloon. The tooling in accordance with the present invention provides a fixture having grooves that receive the filaments of the stent to hold the filaments in place for joining. The joining of all of the filaments can be performed simultaneously by laser welding or injection molding a joint material. The tooling in accordance with the present invention also provides the capability to mold the stent as one piece. The method in accordance with the present invention includes the steps of providing a fixture with internal grooves, placing filaments into the grooves and joining the filaments together. The method also includes providing a mold having internal grooves, and injecting a molten material into the mold to fill the grooves so as to create a one-piece stent of polymer and/or metallic materials.
    • 本发明涉及用于形成支架的方法和工具以及如此形成的支架。 支架包括第一材料的细丝和第二材料的接头。 本发明还公开了与血管成形术气囊组合的上述支架。 根据本发明的工具提供了具有凹槽的固定装置,该槽具有容纳支架的长丝以将细丝保持在合适的位置。 所有长丝的接合可以通过激光焊接或注射成型接合材料同时进行。 根据本发明的模具还提供了将支架模制成一体的能力。 根据本发明的方法包括以下步骤:为灯具提供内部凹槽,将细丝放入凹槽中并将细丝连接在一起。 该方法还包括提供具有内部凹槽的模具,并将熔融材料注入到模具中以填充凹槽,以便形成聚合物和/或金属材料的一体式支架。
    • 8. 发明授权
    • Method for injection molding for epoxy resin moldings and an injection moldable epoxy resin composition
    • 环氧树脂模制品的注射成型方法和注塑成型环氧树脂组合物
    • US06231800B1
    • 2001-05-15
    • US09348073
    • 1999-07-06
    • Eiki TogashiTsukasa Sakuraba
    • Eiki TogashiTsukasa Sakuraba
    • B29C4500
    • B29C45/73B29C45/2756B29K2063/00B29K2101/10C08G59/686C08L63/00
    • Disclosed is a method of injection-molding for epoxy resin moldings wherein an epoxy resin composition is used as starting material, a molding cycle is shortened, a continuous molding operation is possible and a waste portion after curing can be minimized as well as an injection-moldable epoxy resin composition excellent in thermal stability possessing latent-type curing characteristics capable of rapidly promoting curing reaction in a metal mold without being cured in an injection molding machine. The aforesaid method is carried out by charging an epoxy resin composition possessing the latent-type curing characteristics into a mini-sprue metal mold which is composed of a manifold part, a mini-sprue part and an ejector-plate part and wherein a metal mold temperature at the manifold part is so maintained that the epoxy resin composition is molten but curing of the composition is not promoted, and injection-molding the composition.
    • 公开了一种环氧树脂成型体的注塑成型方法,其中使用环氧树脂组合物作为原料,缩短成型周期,连续成型操作成为可能,固化后的废弃部分能够最小化, 可塑性环氧树脂组合物具有优异的热稳定性,具有能够快速促进金属模具中的固化反应而不在注塑机中固化的潜在型固化特性。上述方法通过将具有潜在型的环氧树脂组合物 固化特性成为由歧管部件,微型浇口部件和顶板部件构成的微型浇道金属模具,并且其中歧管部件处的金属模具温度保持为环氧树脂组合物熔融但固化 的组合物不被促进​​,并且注塑成型。