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    • 47. 发明授权
    • Apparatus and methods for single sheet forming using induction heating
    • 使用感应加热单片成型的装置和方法
    • US06914225B2
    • 2005-07-05
    • US10464796
    • 2003-06-18
    • John R. FischerMarc R. MatsenDwayne C. JosephLarry D. HeftiRonald W. Brown
    • John R. FischerMarc R. MatsenDwayne C. JosephLarry D. HeftiRonald W. Brown
    • A61K47/48H05B6/10
    • A61K47/48215A61K47/60
    • Apparatus and methods for single sheet forming using induction heating include a pair of dies defining a die cavity for containing a workpiece, which is inductively heated by an oscillating magnetic field within the die cavity. A susceptor is positioned between the workpiece and one die surface defined by one of the dies. The susceptor is capable of coupling with the oscillating magnetic field to induce a current within the susceptor to heat the susceptor. The susceptor transfers heat to the workpiece. An inlet for pressurized forming fluid injects the fluid between the susceptor and the workpiece to form the workpiece into direct contact with a forming surface defined by one of the dies. The susceptor may be electrically connected to the workpiece to inhibit electrical arcing from the susceptor to adjacent electrically conductive components when current is induced in the susceptor. The apparatus may further include a seal frame that releasably engages the workpiece to form a pressurizing cavity between the susceptor and the workpiece. The inlet injects the fluid into the pressurizing cavity to develop and apply forming pressure to the workpiece.
    • 使用感应加热的单片成形的装置和方法包括一对模具,其限定用于容纳工件的模腔,该模具被模腔内的振荡磁场感应加热。 基座位于工件和由一个模具限定的一个模具表面之间。 感受器能够与振荡磁场耦合以在感受器内感应电流以加热感受体。 基座将热量传递给工件。 用于加压成形流体的入口在基座和工件之间喷射流体,以使工件与由一个模具限定的成形表面直接接触。 当在基座中感应电流时,基座可以电连接到工件以防止从基座到相邻的导电部件的电弧。 该装置还可以包括密封框架,其可释放地接合工件以在基座和工件之间形成加压空腔。 入口将流体注入加压腔中以对工件形成和施加成形压力。