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    • 1. 发明申请
    • DENTURE SYSTEM
    • 牙科系统
    • WO9966856B1
    • 2000-03-02
    • PCT/US9914088
    • 1999-06-22
    • CADCO DENTAL PRODUCTS INCJACOBS RICHARDPORTEOUS DONMATHIAS ECKARTCERVANTES JUAN
    • JACOBS RICHARDPORTEOUS DONMATHIAS ECKARTCERVANTES JUAN
    • A61C13/20
    • A61C13/20
    • Denture product and forming system for denture products comprising tooth structure and a supporting base, including: a fluid, two-component thermosetting resin supply (70) having a mixer for mixing a resin reactive mixture from the components and an injection outlet (84) from the mixer; a denture mold (28) comprising a closed cavity (68) having an inlet for receiving delivery of the resin reactive mixture from the supply under injection pressure and at a predetermined cavity filling flow rate; and spaced from the inlet a vent (86, 88) adapted for venting gases from the cavity while blocking resin reactive mixture from emptying from the cavity at greater than a predetermined cavity emptying flow rate which is less than the cavity filling flow rate, so that the resin reactive mixture overfills the cavity and self-pressurizes to a pressure sufficient to block any incorporated gases in the resin reactive mixture from forming voids or bubbles during curing.
    • 包括牙齿结构和支撑底座的义齿产品的假牙产品和成形系统包括:流体双组分热固性树脂供应源(70),其具有用于混合来自所述组分的树脂反应性混合物的混合器和来自所述组分的注射口(84) 搅拌机 义齿模具(28)包括具有入口的封闭空腔(68),所述入口用于在注射压力下以预定的空腔填充流速从所述供应源接收所述树脂反应混合物的输送; 并且与所述入口间隔开适于从所述空腔排出气体的排气口(86,88),同时阻止树脂反应性混合物在大于预定空腔排空流量的空腔中排空,所述空腔排空流量小于空腔填充流量,使得 树脂反应混合物过度填充空腔,并自我加压至足以阻挡树脂反应混合物中任何引入的气体的压力,从而在固化期间形成空隙或气泡。