公开(公告)号：US20090120604A1

公开(公告)日：2009-05-14

申请号：US12349335

申请日：2009-01-06

Applicant: Anders Lehman ,  Helmut Hackl ,  Jan-Erik Eriksson ,  Olof Sjoden

Inventor： Anders Lehman ,  Helmut Hackl ,  Jan-Erik Eriksson ,  Olof Sjoden

IPC: B22D27/02 ,  B22D46/00 ,  B22D11/12

CPC classification number: B22D11/115

Abstract: A method for controlling a flow of molten steel in a mould by applying at least one magnetic field to the molten steel in a continuous slab casting machine. This is achieved by comprising controlling a molten steel flow velocity on a molten steel bath surface, meniscus, to a predetermined molten steel flow velocity by applying a static magnetic field to impart a stabilizing and braking force to a discharge flow from an immersion nozzle when the molten steel flow velocity on the meniscus is higher than a mould powder entrainment critical flow velocity and by controlling the molten steel flow velocity on the meniscus to a range of from an inclusion adherence critical flow velocity or more to a mould powder entrainment critical flow velocity or less by applying a shifting magnetic field to increase the molten steel flow when the molten steel flow velocity on the meniscus is lower than the inclusion-adherence critical flow velocity.

Abstract translation: 一种用于通过在连续板坯铸造机中对钢水施加至少一个磁场来控制模具中的钢水流动的方法。 这通过包括通过施加静磁场将钢水浴表面，弯液面上的钢水流速控制到预定的钢水流速来实现，当静态磁场对于来自浸没喷嘴的排出流施加稳定和制动力时 弯液面上的钢水流速高于模具粉末夹带临界流速，并且通过将弯液面上的钢水流速控制在包含粘附临界流速或更多的范围内至模具粉末夹带临界流速或 当弯月面上的钢水流速低于夹杂物临界流速时，通过施加换磁场来增加钢水流量。

公开(公告)号：US08336605B2

公开(公告)日：2012-12-25

申请号：US12472937

申请日：2009-05-27

Applicant: Jan-Erik Eriksson ,  Eleonor Olsson ,  Bengt Rydholm ,  Helmut Hackl

Inventor： Jan-Erik Eriksson ,  Eleonor Olsson ,  Bengt Rydholm ,  Helmut Hackl

IPC: B22D11/00

CPC classification number: B22D41/62

Abstract: A continuous casting device includes a mould, a nozzle, and an electromagnetic stirrer provided around the nozzle above the mould, the stirrer including a core of a magnetic material that extends circumferentially around the nozzle and a plurality of windings wound around the core. The windings are wound around a cross section of the core as seen in the circumferential direction of the core.

Abstract translation: 连续铸造装置包括模具，喷嘴和设置在模具上方的喷嘴周围的电磁搅拌器，搅拌器包括围绕喷嘴周向延伸的磁性材料芯和缠绕在芯上的多个绕组。 绕芯线的周向方向观察时，绕组缠绕在芯的横截面上。

公开(公告)号：US4190386A

公开(公告)日：1980-02-26

申请号：US942772

申请日：1978-09-15

Applicant: Bernhard Brabetz ,  Helmut Hackl

Inventor： Bernhard Brabetz ,  Helmut Hackl

IPC: B23B41/00 ,  B23B51/02 ,  B23B51/12 ,  B26F1/16 ,  H05K3/00

CPC classification number: B26F1/16 ,  B23B51/02 ,  B23B2251/287 ,  H05K3/0047 ,  Y10S408/704 ,  Y10T279/14 ,  Y10T407/1948 ,  Y10T408/03 ,  Y10T408/9097

Abstract: A method is disclosed for producing accretion-free holes with a diameter of less than 1.5 mm in circuit boards made of plastic. A hard metal drill is employed having a cylindrical chucking shank and a fluted twist section. A central axis of the twist section of the drill is moved eccentrically in relation to a central axis of rotation and therefore to a central axis of the drilled hole while drilling such that a widening of the hole occurs which is at least 20/.mu.m but not more than 50/.mu.m.

Abstract translation: 公开了一种用于在由塑料制成的电路板中产生直径小于1.5mm的无沉积孔的方法。 采用硬质金属钻头，其具有圆柱形夹持柄和带槽的扭转部分。 钻头的扭转部分的中心轴线相对于中心旋转轴线偏心移动，因此在钻孔时移动到钻孔的中心轴线，使得出现孔的加宽至少为20μm，但是 不超过50亩。

公开(公告)号：US20100236362A1

公开(公告)日：2010-09-23

申请号：US12682355

申请日：2008-10-09

Applicant: Bengt Rydholm ,  Erik Svensson ,  Alf Lundström ,  Helmut Hackl ,  Olof Sjödén ,  Jan-Erik Eriksson ,  Tord Kroon ,  Tord Lindblad

Inventor： Bengt Rydholm ,  Erik Svensson ,  Alf Lundström ,  Helmut Hackl ,  Olof Sjödén ,  Jan-Erik Eriksson ,  Tord Kroon ,  Tord Lindblad

IPC: C22B9/00 ,  F27D27/00 ,  F27B17/00

CPC classification number: F27B3/045 ,  C22B7/003 ,  C22B9/003 ,  C22B21/0092 ,  F27D3/0033 ,  F27D27/00 ,  Y02P10/218 ,  Y02P10/253

Abstract: A furnace plant including at least one furnace vessel comprising side walls, a bottom and a roof. At least one heater is configured to heat metal in the furnace vessel. A compartment includes sidewalls lined with refractory material. The compartment forms an extension of the furnace vessel. At least one electromagnetic stirrer is arranged outside and adjacent to the compartment. A refractory plate is arranged inside the compartment. The refractory plate includes an upper edge configured to be positioned below a meniscus of molten metal and includes a lower edge positioned spaced apart from a bottom of the compartment. The plate is arranged such that a gap between the plate and a wall of the compartment increases toward the bottom of the compartment.

Abstract translation: 一种炉厂，其包括至少一个包括侧壁，底部和屋顶的炉容器。 至少一个加热器构造成加热炉容器中的金属。 隔室包括内衬耐火材料的侧壁。 隔间形成炉容器的延伸部分。 至少一个电磁搅拌器布置在隔室的外部和附近。 隔室内设有耐火板。 耐火板包括被配置为位于熔融金属的弯液面之下的上边缘，并且包括与隔室的底部间隔开的下边缘。 板被布置成使得板和隔室的壁之间的间隙朝向隔室的底部增加。

公开(公告)号：US08043403B2

公开(公告)日：2011-10-25

申请号：US12682355

申请日：2008-10-09

Applicant: Bengt Rydholm ,  Erik Svensson ,  Alf Lundström ,  Helmut Hackl ,  Olof Sjödén ,  Jan-Erik Eriksson ,  Tord Kroon ,  Tord Lindblad

Inventor： Bengt Rydholm ,  Erik Svensson ,  Alf Lundström ,  Helmut Hackl ,  Olof Sjödén ,  Jan-Erik Eriksson ,  Tord Kroon ,  Tord Lindblad

IPC: C22B9/22

CPC classification number: F27B3/045 ,  C22B7/003 ,  C22B9/003 ,  C22B21/0092 ,  F27D3/0033 ,  F27D27/00 ,  Y02P10/218 ,  Y02P10/253

Abstract: A furnace plant including at least one furnace vessel comprising side walls, a bottom and a roof. At least one heater is configured to heat metal in the furnace vessel. A compartment includes sidewalls lined with refractory material. The compartment forms an extension of the furnace vessel. At least one electromagnetic stirrer is arranged outside and adjacent to the compartment. A refractory plate is arranged inside the compartment. The refractory plate includes an upper edge configured to be positioned below a meniscus of molten metal and includes a lower edge positioned spaced apart from a bottom of the compartment. The plate is arranged such that a gap between the plate and a wall of the compartment increases toward the bottom of the compartment.

Abstract translation: 一种炉厂，其包括至少一个包括侧壁，底部和屋顶的炉容器。 至少一个加热器构造成加热炉容器中的金属。 隔室包括内衬耐火材料的侧壁。 隔间形成炉容器的延伸部分。 至少一个电磁搅拌器布置在隔室的外部和附近。 隔室内设有耐火板。 耐火板包括被配置为位于熔融金属的弯液面之下的上边缘，并且包括与隔室的底部间隔开的下边缘。 板被布置成使得板和隔室的壁之间的间隙朝向隔室的底部增加。

公开(公告)号：US20090294091A1

公开(公告)日：2009-12-03

申请号：US12472937

申请日：2009-05-27

Applicant: Jan-Erik Eriksson ,  Bengt Rydholm ,  Eleonor Olsson ,  Helmut Hackl

Inventor： Jan-Erik Eriksson ,  Bengt Rydholm ,  Eleonor Olsson ,  Helmut Hackl

IPC: B22D27/02 ,  B22D11/12

CPC classification number: B22D41/62

Abstract: A continuous casting device includes a mould, a nozzle, and an electromagnetic stirrer provided around the nozzle above the mould, the stirrer including a core of a magnetic material that extends circumferentially around the nozzle and a plurality of windings wound around the core. The windings are wound around a cross section of the core as seen in the circumferential direction of the core.

Abstract translation: 连续铸造装置包括模具，喷嘴和设置在模具上方的喷嘴周围的电磁搅拌器，搅拌器包括围绕喷嘴周向延伸的磁性材料芯和缠绕在芯上的多个绕组。 绕芯线的周向方向观察时，绕组缠绕在芯的横截面上。

公开(公告)号：US07975753B2

公开(公告)日：2011-07-12

申请号：US12349335

申请日：2009-01-06

Applicant: Anders Lehman ,  Helmut Hackl ,  Jan-Erik Eriksson ,  Olof Sjoden

Inventor： Anders Lehman ,  Helmut Hackl ,  Jan-Erik Eriksson ,  Olof Sjoden

IPC: B22D11/00 ,  B22D27/02

CPC classification number: B22D11/115

Abstract: Method for controlling a flow of molten steel in a mould by applying at least one magnetic field to the molten steel in a continuous slab casting machine. Controlling a molten steel flow velocity on a molten steel bath surface to a predetermined molten steel flow velocity by applying a static magnetic field to impart a stabilizing and braking force to a discharge flow from an immersion nozzle when the molten steel flow velocity on the meniscus is higher than a mould powder entrainment critical flow velocity. Controlling the molten steel flow velocity on the meniscus to a range of from an inclusion adherence critical flow velocity or more to a mould powder entrainment critical flow velocity or less by applying a shifting magnetic field to increase the molten steel flow when the molten steel flow velocity on the meniscus is lower than the inclusion-adherence critical flow velocity.

Abstract translation: 用于通过在连续板坯铸造机中对钢水施加至少一个磁场来控制模具中的钢水流动的方法。 通过施加静磁场来控制钢水表面上的钢水流速到预定的钢水流速，从而当弯液面上的钢水流速为 高于模具粉末的夹带临界流速。 通过施加移动磁场来控制弯液面上的钢水流速从包含粘附临界流速或更大的范围到模具粉末的夹带临界流速或更小，当钢水流速 在弯液面上的夹杂物粘度低于临界流速。

公开(公告)号：US4231692A

公开(公告)日：1980-11-04

申请号：US942279

申请日：1978-09-14

Applicant: Bernhard Brabetz ,  Helmut Hackl

Inventor： Bernhard Brabetz ,  Helmut Hackl

IPC: B23B51/02 ,  H05K3/00

CPC classification number: B23B51/02 ,  B23B2251/14 ,  B23B2251/287 ,  B23B2265/12 ,  H05K3/0047 ,  Y10S408/704 ,  Y10T408/9097

Abstract: A hard metal drill is disclosed for drilling contact holes in multi-legend printed circuit boards formed of synthetic resin. The drill has a diameter of not more than 1.5 mm. and has main and secondary cutting edges and spiral-shaped flutes lying opposite the drill longitudinal axis. At least one of these edges has a different angle or a different legend with respect to a corresponding other edge. The amount of difference of the two cutting angles or lengths to be compared is selected such that a gap between the drill and an edge of the drill hole is at least 20 .mu.m and not more than 50 .mu.m. In order to produce such holes more readily, the two spiral-shaped flutes have different depths.

Abstract translation: 公开了一种用合成树脂形成的多图案印刷电路板中的钻孔接触孔的硬金属钻头。 钻头直径不大于1.5毫米。 并具有与钻头纵向轴线相对的主和次切割刃和螺旋形凹槽。 这些边缘中的至少一个相对于相应的另一边缘具有不同的角度或不同的图例。 选择要比较的两个切割角度或长度的差异量，使得钻头和钻孔的边缘之间的间隙为至少20μm且不大于50μm。 为了更容易地制造这样的孔，两个螺旋形槽具有不同的深度。