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    • 4. 发明申请
    • CONTAINER CLOSURE
    • 集装箱封闭
    • WO2007140538A1
    • 2007-12-13
    • PCT/AU2007/000803
    • 2007-06-07
    • PLANTIC TECHNOLOGIES LTDHENDERSON, RulandeKHEMANI, KishanMCCAFFREY, Nicholas, John
    • HENDERSON, RulandeKHEMANI, KishanMCCAFFREY, Nicholas, John
    • C08L3/00C08K5/05C08K5/10B65D39/00C08K5/103C08K5/11C08L3/02C08L3/04C08L3/10B65D53/04
    • B65D65/466C08K5/0016C08L3/02C08L3/10C08L29/04Y02W90/11Y02W90/13C08L2666/04
    • A closure for sealing a container, the closure comprising a biodegradable polymer composition including on a dry basis (a) from 30 to 90% by weight of starch, (b) from 0.1 to 15% by weight of a water soluble polymer selected from polyvinyl alcohol, polyvinylacetate, and copolymers of ethylene and vinyl alcohol which have a melting point compatible with the molten state of the starch component, and (c) from 5 to 45% by weight of one or more plasticisers having a molecular weight in the range of 18 - 6000, more preferably 50-2500 and more preferably still 75 - 400 and desirably selected from the group consisting of water, sorbitol, glycerol, maltitol, xylitol, mannitol, erythritol, glycerol trioleate, tributyl citrate, acetyl tri-ethyl citrate, glyceryl triacetate, 2,2,4-trimethyl-i ,3-pentanediol diisobutyrate, polyethylene oxide, ethylene glycol, diethylene glycol or polyethylene glycol, polyglycerol, wherein the polymer acts as a barrier to the transmission of gases into and out of the container.
    • 一种用于密封容器的封闭物,所述封闭物包括生物可降解的聚合物组合物,所述组合物包含干基(a)30至90重量%的淀粉,(b)0.1至15重量%的水溶性聚合物,所述聚合物选自聚乙烯 醇,聚乙酸乙烯酯和具有与淀粉组分的熔融状态相容的熔点的乙烯和乙烯醇的共聚物,和(c)5至45重量%的一种或多种增塑剂,其分子量范围为 18-6000,更优选50-2500,更优选仍为75-400,并且理想地选自水,山梨糖醇,甘油,麦芽糖醇,木糖醇,甘露醇,赤藓糖醇,甘油三油酸酯,柠檬酸三丁酯,柠檬酸乙酰基三乙酯, 甘油三乙酸酯,2,2,4-三甲基-1,3-戊二醇二异丁酸酯,聚环氧乙烷,乙二醇,二甘醇或聚乙二醇,聚甘油,其中聚合物作为阻挡气体传入和流出的障碍 e容器
    • 5. 发明申请
    • INJECTION MOLDING METHOD
    • 注射成型方法
    • WO2002076713A1
    • 2002-10-03
    • PCT/AU2002/000345
    • 2002-03-22
    • SOLA INTERNATIONAL HOLDINGS LTDMCCAFFREY, Nicholas, JohnWALLACE, Mark, A.HENDERSON, David, Scott
    • MCCAFFREY, Nicholas, JohnWALLACE, Mark, A.HENDERSON, David, Scott
    • B29D11/00
    • B29C43/58B29C45/2669B29C45/561B29C2043/5808B29C2043/5833B29C2045/562B29C2045/565B29D11/00413B29L2011/0016
    • An apparatus for molding an optical lens from a molten thermoplastic resin material using an injection molding machine, and including means for forming a mold cavity defined by a pair of opposed, spaced apart inserts shaped and configured to define opposite faces of said optical lens and having a plurality of overflow wells surrounding the mold cavity means for injecting a predetermined optimum volume of resin material into said mold cavity; means for controllably moving at least one insert relative to the other insert, wherein such relative insert motion is driven by a power cylinder capable of providing a variable compression stroke during molding and is initiated prior to completion of said injection; means for controlling the velocity and/or compressive force of the compression stroke of said power cylinder such that said compression is conducted at a first selected relatively high velocity, thus urging excess resin from said cavity into said overflow wells after which the compression force is varied to a secondary selected level; means for maintaining the secondary selected compressive force on said mold cavity ; and means for ejecting the lens.
    • 一种使用注射成型机从熔融热塑性树脂材料模制光学透镜的装置,并且包括用于形成由一对相对的间隔开的插入物限定的模具腔的装置,其形状和构造成限定所述光学透镜的相对面并具有 围绕模具腔的多个溢流井用于将预定的最佳体积的树脂材料注入所述模腔中; 用于相对于另一个插入件可控地移动至少一个插入件的装置,其中这样的相对插入运动由能够在模制期间提供可变压缩冲程的动力缸驱动,并且在所述注射完成之前启动; 用于控制所述动力缸的压缩冲程的速度和/或压缩力的装置,使得所述压缩以第一选择的相对较高的速度进行,从而将多余的树脂从所述空腔推动到所述溢流孔中,之后压缩力变化 达到二级选定水平; 用于在所述模腔上保持次级选定的压缩力的装置; 以及用于弹出透镜的装置。