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    • 4. 发明申请
    • PROCESS OF DOSING A STARTING MATERIAL FOR OPTICAL LENSES
    • 光学镜头起动材料的处理过程
    • WO2007003325A1
    • 2007-01-11
    • PCT/EP2006/006282
    • 2006-06-29
    • NOVARTIS AGNOVARTIS PHARMA GMBHHEINRICH, AxelLEDER-BRÜCK, Iris, JlonaSTEFFAN, WernerHAGMANN, PeterSEIFERLING, Bernhard
    • HEINRICH, AxelLEDER-BRÜCK, Iris, JlonaSTEFFAN, WernerHAGMANN, PeterSEIFERLING, Bernhard
    • B29D11/00B29C33/00B29C31/04
    • B29D11/0023B29C31/045B29L2011/0041Y10S425/808
    • A process of dosing a starting material (SM) for optical lenses, into a female mould half (2), comprises the steps of: - positioning a dosing tip (1) at a start position (P2) above the female mould half (2) and close to the edge of or laterally outside that portion (20) defining the lens-shaping surface, - creating a continuous flow of starting material (SM) through the dosing tip (1) into the female mould half (2), - moving the dosing tip (1) from the start position (P2) towards an end position (P3) in the region of the centre of the female mould half (2) once the starting material (SM) has contacted the surface (21) of the female mould half (2) with the dosing tip (1) being in the start position (P2), wherein the continuous flow of starting material (SM) through the dosing tip (1) and the movement of the dosing tip (1) from the start position (P2) to its end position (P3) are controlled such, that a continuous bead (B) of starting material (SM) is deposited on the surface (21) of the female mould half (2) and that the essential part of the overall volume of starting material (SM) dosed into the female mould half (2) is deposited within the female mould half (2) with the dosing tip (1) being in the end position (P3).
    • 将用于光学透镜的起始材料(SM)投入到阴半模(2)中的过程包括以下步骤: - 将定量给料头(1)定位在母模半部(2)上方的起始位置(P2) )并且靠近限定透镜成形表面的该部分(20)的边缘或侧向外侧, - 通过定量给料头(1)产生连续的起始材料流(SM)到阴模半体(2)中, 一旦起始材料(SM)已经接触表面(21),将剂量尖端(1)从开始位置(P2)移动到阴模半部(2)的中心区域中的终止位置(P3) 所述配量头(1)处于所述起始位置(P2)的所述阴半模(2),其中通过所述计量末端(1)的所述起始材料(SM)的连续流动和所述计量末端(1)的运动, 从起始位置(P2)到其结束位置(P3)被控制,使得起始材料(SM)的连续胎圈(B)沉积在 阴模半体(2),并且投入到阴半模(2)中的起始材料(SM)的总体积的主要部分被沉积在阴半模(2)内,其中配量尖端(1)处于 结束位置(P3)。