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    • 4. 发明申请
    • Mold Temperature Control Device
    • 模具温度控制装置
    • US20130196015A1
    • 2013-08-01
    • US13877830
    • 2011-10-05
    • Masaaki MetsugiMotoharu Shimizu
    • Masaaki MetsugiMotoharu Shimizu
    • B29C35/00
    • B29C35/007B29C33/04B29C45/73B29C45/7306B29C45/78B29C49/4823B29C49/64Y10S425/246
    • A mold temperature control device comprising a first medium supply portion for circularly supplying first medium to a medium flow path of a mold, a second medium supply portion for circularly supplying the medium flow path with second medium having temperature different from that of the first medium, and a third medium supply portion for circularly supplying third medium corresponding to the first medium to the medium flow path. The mold temperature control device further comprises a switching connection portion for switching between a medium supply path and a medium return path of each medium supply portion to connect the medium flow path, and a control portion which switches second medium supply mode circularly supplying the second medium to the medium supply path to third medium supply mode circularly supplying the third medium to the medium flow path, and to first medium supply mode supplying the first medium to the medium flow path by controlling the switching connection portion.
    • 一种模具温度控制装置,包括用于将第一介质循环地供应到模具的介质流动路径的第一介质供应部分,用于使介质流动路径循环地供应具有与第一介质的温度不同的温度的第二介质的第二介质供应部分, 以及第三介质供给部分,用于将对应于第一介质的第三介质循环地供应到介质流动路径。 模具温度控制装置还包括切换连接部分,用于在每个介质供应部分的介质供给路径和介质返回路径之间切换以连接介质流动路径;以及控制部分,其切换第二介质供给模式,循环地供应第二介质 到第三介质供给模式的介质供给路径,将第三介质循环地供应到介质流路,以及通过控制切换连接部分将第一介质供应到介质流路的第一介质供给模式。
    • 6. 发明公开
    • Metal mold with extended heat transfer surface
    • Metallform mitvergrösserterOberflächezurWärmeübertragung。
    • EP0465867A1
    • 1992-01-15
    • EP91109823.4
    • 1991-06-15
    • DAVIDSON TEXTRON INC.
    • Jackson, Kenneth L., Jr.
    • B29C33/04B23K9/20
    • B29C33/046B29C41/18F28F1/124Y10S264/60Y10S425/246
    • 5 n 7 A mold assembly for molding thermoplastic particles into a solid thin shell includes a metal shell (20) having a cavity (24) and including an outer surface (20b) exposed to a heat source and further including an inner surface (20a) on which thermoplastic material is cast and fused to form a thin layer thermoplastic shell. The heat transfer area of the metal shell is increased by providing a plurality of heat transfer pins (30) connected to the outer surface (20b); each of the heat transfer pins (30) has an extended outside surface area exposed to the heat source for heating said metal shell and each of said heat transfer pins further includes a large diameter head portion (30a) which is joined to the metal shell by a capacitive weld nugget (32a) formed solely between the large diameter head portion (30a) and the outer surface (20b) of the metal shell without disrupting the metal shell at surface portions thereof formed between the heat transfer pins (30).
    • 用于将热塑性颗粒模制成固体薄壳的模具组件包括具有空腔(24)并且包括暴露于热源的外表面(20b)的金属壳(20),并且还包括内表面(20a),热塑性塑料 材料被铸造和熔化以形成薄层热塑性壳。 通过设置连接到外表面(20b)的多个传热销(30)来增加金属壳的传热面积; 每个传热销(30)具有暴露于热源的延伸的外表面区域,用于加热所述金属壳,并且每个所述传热销还包括大直径的头部(30a),其通过 仅在所述大直径头部(30a)和所述金属壳的外表面(20b)之间形成的电容性焊点(32a),而不会在所述传热销(30)之间形成的表面部分破坏所述金属壳。
    • 10. 发明申请
    • MOULD AND METHOD FOR THE HOT FORMING OF A THERMOPLASTIC OPTICAL LENS
    • 一种用于热塑性光学镜片的热成形的模具和方法
    • WO03051616A9
    • 2004-07-01
    • PCT/FR0204386
    • 2002-12-17
    • ESSILOR INT
    • CHIU HAO-WENYANG HSINJINLOCKWOOD MATTHEW
    • B29C51/30B29C43/02B29C43/36B29C43/52B29C51/08B29C51/12B29C51/14B29C51/32B29C51/42B29D11/00B29L11/00
    • B29C43/361B29C43/021B29C2043/3618B29D11/00413B29D11/00432B29L2011/0016Y10S425/11Y10S425/246Y10S425/808
    • The invention relates to a mould and a method for the hot forming of a thermoplastic optical lens. The inventive mould consists of two dies (1, 2) which are mounted in a hollow shaft (3), so as to slide along the axis (6) thereof, and which comprise opposing forming surfaces (4, 5). The two dies (1, 2) and the shaft (3) are provided with intrinsic heat transfer means. The inventive method comprises the following steps, consisting in: placing a paraison or preform (P) of said thermoplastic material between the two dies (1, 2) and enclosing all of the latter inside the shaft (3); heating the dies (1, 2) and the shaft (3) to a forming temperature, using the intrinsic heat transfer means thereof (15, 16, 19, 20); bringing the dies (1, 2) closer together, in order to form the material by means of plastic deformation, until a pre-determined relative position is reached, said position corresponding to the desired thickness of the lens; cooling the dies (1, 2) and the shaft (3) to a stripping temperature, using the intrinsic heat transfer means thereof (15, 16, 19, 20); and extracting the finished lens (L) from the mould.
    • 本发明涉及用于热塑性光学透镜的热成型的模具和方法。 本发明的模具由安装在中空轴(3)中的两个模具(1,2)组成,以便沿其轴线(6)滑动,并且包括相对的成形表面(4,5)。 两个模具(1,2)和轴(3)设置有本征传热装置。 本发明的方法包括以下步骤:在所述两个模具(1,2)之间放置所述热塑性材料的辅助或预成型件(P)并将所有热塑材料封闭在所述轴(3)内; 使用其本身的传热装置(15,16,19,20)将模具(1,2)和轴(3)加热到成形温度; 使模具(1,2)靠近在一起,以便通过塑性变形形成材料,直到达到预定的相对位置,所述位置对应于镜片的期望厚度; 使用其本身的传热装置(15,16,19,20)将模具(1,2)和轴(3)冷却至汽提温度; 并从模具中取出完成的镜片(L)。