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    Apparatus and methods for single sheet forming using induction heating
    4.
    发明授权
    Apparatus and methods for single sheet forming using induction heating 有权
    使用感应加热单片成型的装置和方法

    公开(公告)号：US06914225B2

    公开(公告)日：2005-07-05

    申请号：US10464796

    申请日：2003-06-18

    Applicant: John R. Fischer ,  Marc R. Matsen ,  Dwayne C. Joseph ,  Larry D. Hefti ,  Ronald W. Brown

    Inventor： John R. Fischer ,  Marc R. Matsen ,  Dwayne C. Joseph ,  Larry D. Hefti ,  Ronald W. Brown

    IPC: A61K47/48 ,  H05B6/10

    CPC classification number: A61K47/48215 ,  A61K47/60

    Abstract: 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.

    Abstract translation: 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。

    Method for providing stop-off on a workpiece
    6.
    发明授权
    Method for providing stop-off on a workpiece 有权
    在工件上提供停止的方法

    公开(公告)号：US07653978B2

    公开(公告)日：2010-02-02

    申请号：US10884743

    申请日：2004-07-02

    Applicant: Don R. Arnold ,  Jeff L. Guentzel ,  Larry D. Hefti ,  Franna S. Pitt ,  Gregory L. Ramsey

    Inventor： Don R. Arnold ,  Jeff L. Guentzel ,  Larry D. Hefti ,  Franna S. Pitt ,  Gregory L. Ramsey

    IPC: B23P25/00 ,  B23K1/20

    CPC classification number: B23K1/20 ,  Y10T29/49885 ,  Y10T428/1476

    Abstract: A method for providing a stop-off material on a workpiece is provided, as is an associated assembly. A maskant is provided on the workpiece such that a first portion of the workpiece is exposed and a second portion of the workpiece is covered by the maskant. The stop-off is then disposed, with the maskant on the workpiece preventing the stop-off from being applied to the second portion of the workpiece. The maskant is removed from the workpiece leaving the stop-off disposed on a select portion of the workpiece. The removal of the maskant can leave the workpiece substantially free of debris. Thereafter, the workpiece can be further processed, e.g., by diffusion bonding, with the stop-off preventing diffusion bonding of part of the workpiece.

    Abstract translation: 提供了一种用于在工件上提供停止材料的方法，如相关联的组件。 在工件上设置掩模，使得工件的第一部分被暴露，并且工件的第二部分被掩蔽剂覆盖。 然后将掩模放置在工件上，防止阻挡件被施加到工件的第二部分上。 将掩模从工件移除，离开设置在工件的选择部分上的停止。 去除掩模可以使工件基本上没有碎片。 此后，可以通过例如通过扩散接合进一步处理工件，同时防止部分工件的防止扩散接合。

    Susceptor connection system and associated apparatus and method
    7.
    发明授权
    Susceptor connection system and associated apparatus and method 有权
    受体连接系统及相关设备及方法

    公开(公告)号：US06897419B1

    公开(公告)日：2005-05-24

    申请号：US10817285

    申请日：2004-04-02

    Applicant: Ronald W. Brown ,  Larry D. Hefti ,  Marc R. Matsen

    Inventor： Ronald W. Brown ,  Larry D. Hefti ,  Marc R. Matsen

    IPC: H05B6/02 ,  H05B6/36 ,  H05B6/22

    CPC classification number: H05B6/105 ,  H05B6/365

    Abstract: A susceptor connection system and an associated apparatus and method are provided. The susceptor connection system includes at least one shoe that can be urged against a peripheral edge portion of the susceptors by a compression device. In this regard, each shoe can urge the edge portions of the susceptors together to achieve electrical contact therebetween, e.g., so that an induced current can flow between the susceptors to heat the susceptors and a workpiece. In addition, each shoe can define a passage for circulating a coolant to cool the edge portions and thereby reduce the oxidation and contact resistance between the susceptors.

    Abstract translation: 提供了一种感受器连接系统及相关的装置和方法。 基座连接系统包括至少一个可通过压缩装置推靠在基座的周缘部分上的鞋。 在这方面，每个鞋可以促使基座的边缘部分在一起以实现它们之间的电接触，例如，使得感应电流可以在感受器之间流动以加热基座和工件。 此外，每个鞋可以限定一个通道，用于使冷却剂循环以冷却边缘部分，从而减少感受器之间的氧化和接触电阻。

    Methods of mark-off suppression in superplastic forming and diffusion bonding
    9.
    发明授权
    Methods of mark-off suppression in superplastic forming and diffusion bonding 有权
    超塑性成形和扩散接合中的标记抑制方法

    公开(公告)号：US08328075B2

    公开(公告)日：2012-12-11

    申请号：US11393114

    申请日：2006-03-30

    Applicant: Daniel G. Sanders ,  Larry D. Hefti ,  Gregory L. Ramsey

    Inventor： Daniel G. Sanders ,  Larry D. Hefti ,  Gregory L. Ramsey

    IPC: B23K20/00 ,  B23K28/00 ,  B21D31/04

    CPC classification number: B23K31/02 ,  B21D26/055 ,  B23K20/023 ,  Y10T29/49805 ,  Y10T29/49908

    Abstract: The invention provides methods of superplastic forming and diffusion bonding and a gas inlet tube that facilitates the methods which produce structures that are substantially mark off free. Methods include disposing a sealed pack into a die having a patterned surface and an opposite surface; applying a first pressure within the die around an outside of the pack; applying a second pressure within the pack, the second pressure exceeding the first pressure; and forming the pack by superplastic deformation into a diffusion-bonded structure. Further, a gas inlet tube is provided having an inner tube and an outer tube, where the outer tube is weldable to the pack in a gas tight seal.

    Abstract translation: 本发明提供了超塑性成形和扩散粘合的方法，以及促进产生基本上标记自由的结构的方法的进气管。 方法包括将密封的包装物放置在具有图案化表面和相对表面的模具中; 在模具周围围绕包装外部施加第一压力; 在所述包装内施加第二压力，所述第二压力超过所述第一压力; 并通过超塑性变形形成扩散接合结构。 此外，气体导入管设置有内管和外管，其中外管以气密密封可焊接到包装上。

    Superplastic forming and diffusion bonding of fine grain titanium
    10.
    发明授权
    Superplastic forming and diffusion bonding of fine grain titanium 有权
    超细晶粒钛的超塑性成形和扩散接合

    公开(公告)号：US07533794B2

    公开(公告)日：2009-05-19

    申请号：US10813892

    申请日：2004-03-31

    Applicant: Peter N. Comley ,  Larry D. Hefti

    Inventor： Peter N. Comley ,  Larry D. Hefti

    IPC: B23K31/00 ,  B23K20/00

    CPC classification number: B23K20/023 ,  B23K2103/14

    Abstract: A method for superplastically forming and/or diffusion bonding a structural member and an associated structural member are provided. The structural member is formed at least partially of titanium, e.g., Ti-6A1-4V, and has a fine grain structure. For example, the grain size of the material of the structural member can be less than 2 micron. The member can be superplastically formed and/or diffusion bonded at a reduced temperature, thereby potentially reducing the thermal energy required for forming and bonding, and also reducing the effects of heating on the structural member and the forming apparatus. In addition, the structural member can be formed at an increased strain rate.

    Abstract translation: 提供了一种用于超塑性地形成和/或扩散结合结构件和相关结构件的方法。 结构构件至少部分地由钛形成，例如Ti-6A1-4V，并且具有细晶粒结构。 例如，结构构件的材料的粒径可以小于2微米。 该构件可以在降低的温度下被超塑性地形成和/或扩散接合，从而潜在地降低了形成和结合所需的热能，并且还降低了对结构构件和成形装置的加热效果。 此外，结构构件可以以增加的应变速率形成。

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