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1. 发明授权

US4691093A Twin spot laser welding 失效
标题翻译：双点激光焊接
公开(公告)号：US4691093A
公开(公告)日：1987-09-01
申请号：US854633
申请日：1986-04-22
申请人： Conrad M. Banas , Brian M. Doyle
发明人： Conrad M. Banas , Brian M. Doyle
IPC分类号： B23K20060101 , B23K26/02 , B23K26/067 , B23K26/00
CPC分类号： B23K26/0608 , B23K15/004 , B23K26/067 , B23K26/24
摘要： A novel multiple spot laser welding apparatus includes a bendable mirror capable of deformation, which receives a laser beam at a single reflective surface thereof. A deformation device deforms the single reflective surface of the bendable mirror to provide a plurality of laser sub-beams to a workpiece, generating laser spots on surfaces thereof. The apparatus can be used in a laser welding method that provides a common weld pool formed by laser spots transverse to the weld seam. Another laser welding method provides multiple laser spots oriented along a weld seam producing a common weld pool therebetween. Still another laser welding method provides multiple laser spots along a weld seam producing distinct weld pools.
摘要翻译：一种新颖的多点激光焊接装置包括能够变形的可弯曲镜，其在其单个反射表面处接收激光束。变形装置使可弯曲反射镜的单个反射表面变形，以向工件提供多个激光子光束，在其表面上产生激光光斑。该设备可以用于激光焊接方法，该方法提供通过横向于焊缝的激光点形成的公共焊池。另一种激光焊接方法提供沿着焊缝定向的多个激光斑点，其产生在它们之间的公共焊接池。另一种激光焊接方法沿焊缝提供多个激光点，产生不同的熔池。

2. 发明授权

US4794231A Method of and arrangement for laser welding 失效
标题翻译：激光焊接方法和布置
公开(公告)号：US4794231A
公开(公告)日：1988-12-27
申请号：US137682
申请日：1987-12-24
申请人： Conrad M. Banas , Brian M. Doyle
发明人： Conrad M. Banas , Brian M. Doyle
IPC分类号： B23K26/06 , B23K26/08 , B23K26/24 , B23K26/00
CPC分类号： B23K26/24 , B23K26/0604 , B23K26/0619 , B23K26/0838
摘要： Laser welding is accomplished in a laser welding arrangement by positioning a plurality of workpieces to be joined next to one another so as to form an assembly having at least one interface between the workpieces, by simultaneously directing two laser beams from opposite sides of the assembly against effective welding regions of the workpieces that adjoin the interface and are substantially aligned with one another across the interface, and by effecting relative movement between the assembly and the two laser beams along the interface while maintaining the substantial alignment of the effective welding regions.
摘要翻译：通过将待连接的多个工件定位成彼此相邻的激光焊接来实现激光焊接，以便通过同时将两个来自组件的相对侧的激光束引导到组件，以形成在工件之间具有至少一个界面的组件，以抵抗工件的有效焊接区域与界面相邻并且跨越界面彼此基本对准，并且通过沿着界面实现组件和两个激光束之间的相对运动，同时保持有效焊接区域的基本对准。

3. 发明授权

US5137585A Method of manufacturing a multimetallic article 失效
标题翻译：制造多金属制品的方法
公开(公告)号：US5137585A
公开(公告)日：1992-08-11
申请号：US338408
申请日：1989-04-12
申请人： Conrad M. Banas , Gary L. Whitney
发明人： Conrad M. Banas , Gary L. Whitney
IPC分类号： F16D65/18 , B23K15/00 , B23K26/00 , B23K26/32 , B23K35/24 , B23K35/30 , C23C26/02 , F16D27/04 , H01F3/10 , H01F41/02
CPC分类号： C23C26/02 , B23K35/24 , B23K35/3086 , H01F3/10 , H01F41/0206 , Y10S148/902 , Y10S148/903
摘要： A multimetallic article of manufacture comprising a body (40) of a first metallic material with discrete regions (65) therein of a second metallic material is manufactured by the in situ alloying of a third material with the first material. The alloying is performed by depositing the third material at locations on the body where the first material is melted by an energy beam (45) such as a carbon dioxide laser or electron beam.
摘要翻译：通过第三材料与第一材料的原位合金，制造包括具有第二金属材料的分立区域（65）的第一金属材料体（40）的多金属制品。通过在第一材料通过能量束（45）如二氧化碳激光器或电子束熔化第一材料的位置处沉积第三材料来进行合金化。

4. 发明授权

US4223202A Apparatus and method for welding boat subassemblies utilizing laser radiation 失效
标题翻译：用激光辐射焊接船体组件的装置和方法
公开(公告)号：US4223202A
公开(公告)日：1980-09-16
申请号：US969598
申请日：1978-12-14
申请人： George T. Peters , Conrad M. Banas
发明人： George T. Peters , Conrad M. Banas
IPC分类号： B63B9/06 , B23K26/067 , B23K26/10 , B23K37/053 , B63B3/12 , B23K27/00
CPC分类号： B63B3/12 , B23K26/0619 , B23K26/067 , B23K26/10 , B23K37/053
摘要： An apparatus for welding T-frame stiffeners circumferentially to the interior surface of a cylindrical shell at selected axial positions to fabricate reinforced hull sections suitable for boat construction is disclosed. The apparatus is adapted for providing simultaneous two-sided Tee welds of the T-frame to the shell using radiation from a laser source to form quickly the welds which significantly reduces the time and costs of fabricating hull subassemblies.
摘要翻译：公开了一种用于在选定的轴向位置处将T形框架加强件周向地焊接到圆柱形壳体的内表面的装置，以制造适于船舶结构的加固船体部分。该装置适于使用来自激光源的辐射将T形框架的同时双面T形焊缝提供给壳体，以快速形成焊缝，这显着地减少了制造船体子组件的时间和成本。

5. 发明授权

US4010345A Gas delivery means for cutting with laser radiation 失效
标题翻译：气体输送手段，用于切割激光辐射
公开(公告)号：US4010345A
公开(公告)日：1977-03-01
申请号：US574132
申请日：1975-05-02
申请人： Conrad M. Banas , Aristotle Parasco
发明人： Conrad M. Banas , Aristotle Parasco
IPC分类号： B08B15/04 , B23K26/14 , B23K26/36 , B23K35/22 , B23K27/00
CPC分类号： B23K26/1494 , B08B15/04 , B23K26/142 , B23K26/1438 , B23K26/147 , B23K26/364 , B23K35/228
摘要： Gas delivery means for providing a flow of gas to the kerf in a workpiece which is being cut by a beam of laser radiation is disclosed. The distribution means consists of a thin wafer which is placed in the path of the cutting beam adjacent to the workpiece and a stream of gas directed along the axis of laser propagation blows the kerf clean. An upper gas port and a lower gas port allow the laser radiation to pass through the wafer without any transmissive optics. Use of the gas delivery means with various gases at high pressure and with laser beams at power levels which were previously impractical are discussed.

6. 发明授权

US4369348A Method and apparatus for high frequency optical beam oscillation 失效
标题翻译：高频光束振荡的方法和装置
公开(公告)号：US4369348A
公开(公告)日：1983-01-18
申请号：US186867
申请日：1980-09-12
申请人： Karl A. Stetson , Conrad M. Banas
发明人： Karl A. Stetson , Conrad M. Banas
IPC分类号： G02B7/182 , G02B26/10 , B23K27/00
CPC分类号： G02B26/10 , B23K26/082 , B23K26/32 , G02B7/1821 , B23K2203/04 , B23K2203/10
摘要： A mechanical scanning apparatus adapted for oscillating the focus zone of a beam of radiation having high power to modify and control the nature and extent of the interaction zone on a workpiece is disclosed. The apparatus includes a compound beam adapted for being vibrated in a vibratory mode resulting in oscillatory motion of at least a first end of the compound beam; a reflective surface attached to the first end of the compound beam and adapted for focussing radiation incident thereon to a focus zone, and means for vibrating the compound beam to induce oscillatory motion of the reflective surface resulting in oscillatory motion of the focus zone. For vibration frequencies greater than the characteristic thermal response time of the workpiece material, the effect is a broadening of the interaction zone with a beam-material interaction characteristic of a reduced incident average power intensity while maintaining a high local intensity essential to the establishment of effective radiation-material coupling.
摘要翻译：公开了一种机械扫描装置，其适用于振荡具有高功率的辐射束的聚焦区域，以修改和控制工件上的相互作用区域的性质和程度。该装置包括适于以振动模式振动的复合梁，导致复合梁的至少第一端的振荡运动; 反射表面，其附接到复合光束的第一端并且适于将入射到其上的辐射聚焦到聚焦区域;以及用于使复合光束振动以诱导反射表面的振荡运动的装置，导致聚焦区域的振荡运动。对于大于工件材料的特征热响应时间的振动频率，效应是相互作用区域的扩大，具有降低的入射平均功率强度的束 - 材料相互作用特性，同时保持建立有效的辐射材料耦合。

7. 发明授权

US4002877A Method of cutting with laser radiation and liquid coolant 失效
标题翻译：用激光辐射和液体冷却液切割的方法
公开(公告)号：US4002877A
公开(公告)日：1977-01-11
申请号：US532566
申请日：1974-12-13
申请人： Conrad M. Banas
发明人： Conrad M. Banas
IPC分类号： B23K26/14 , B23K26/40 , B23K15/00
CPC分类号： B23K26/146 , B23K26/40 , B23K26/402 , B23K2203/16 , B23K2203/172 , B23K2203/38 , B23K2203/40 , B23K2203/42
摘要： A method of cutting a multilayer pile of sheet material with a beam of laser radiation is disclosed. A laser beam having a low order mode intensity distribution is focused onto the pile and during cutting a stream of liquid coolant is directed into the material vaporization region to absorb energy from the outer region of the mode distribution which could otherwise result in adhesion of adjacent layers, globularization, singeing or other undesired effect.
摘要翻译：公开了一种用激光辐射束切割多层片状材料的方法。具有低阶模式强度分布的激光束被聚焦在桩上，并且在切割期间，液体冷却剂流被引导到材料蒸发区域中以从模式分布的外部区域吸收能量，否则可能导致相邻层的粘附，球状化，烧毛或其他不良影响。

8. 发明授权

US4261636A Apparatus for high frequency optical beam oscillation 失效
标题翻译：高频光束振荡装置
公开(公告)号：US4261636A
公开(公告)日：1981-04-14
申请号：US1101
申请日：1979-01-04
申请人： Karl A. Stetson , Conrad M. Banas
发明人： Karl A. Stetson , Conrad M. Banas
IPC分类号： G02B26/08 , G02B26/10 , G02B27/17
CPC分类号： G02B26/10 , G02B26/0816
摘要： A mechanical scanning apparatus adapted for oscillating the focus zone of a beam of radiation having high power to modify and control the nature and extent of the interaction zone on a workpiece is disclosed. The apparatus includes a compound beam adapted for being vibrated in a vibratory mode resulting in oscillatory motion of at least a first end of the compound beam; a reflective surface attached to the first end of the compound beam and adapted for focussing radiation incident thereon to a focus zone, and means for vibrating the compound beam to induce oscillatory motion of the reflective surface resulting in oscillatory motion of the focus zone. For vibration frequencies greater than the characteristic thermal response time of the workpiece material, the effect is a broadening of the interaction zone with a beam-material interaction characteristic of a reduced incident average power intensity while maintaining a high local intensity essential to the establishment of effective radiation-material coupling.
摘要翻译：公开了一种机械扫描装置，其适用于振荡具有高功率的辐射束的聚焦区域，以修改和控制工件上的相互作用区域的性质和程度。该装置包括适于以振动模式振动的复合梁，导致复合梁的至少第一端的振荡运动; 反射表面，其附接到复合光束的第一端并且适于将入射到其上的辐射聚焦到聚焦区域;以及用于使复合光束振动以诱导反射表面的振荡运动的装置，导致聚焦区域的振荡运动。对于大于工件材料的特征热响应时间的振动频率，效应是相互作用区域的扩大，具有降低的入射平均功率强度的束 - 材料相互作用特性，同时保持建立有效的辐射材料耦合。

9. 发明授权

US4152575A Method of material processing utilizing an interrupted beam of continuous wave laser radiation 失效
标题翻译：利用连续波激光辐射中断的光束进行材料处理的方法
公开(公告)号：US4152575A
公开(公告)日：1979-05-01
申请号：US915085
申请日：1978-06-12
申请人： Conrad M. Banas
发明人： Conrad M. Banas
IPC分类号： B23K26/24 , H01S3/00 , B23K9/00
CPC分类号： B23K26/24 , H01S3/0057
摘要： A method of material processing, in particular welding, utilizing high frequency interruption of a continuous wave beam of radiation is disclosed. The pulses of laser radiation are generated at a pulse repetition rate more rapid than the thermal response time of the material, typically greater than one kilohertz, wherein the material reacts with the pulses such that the characteristics of the surface reflectivity of the material are dominated by the peak power in the pulse and the characteristics of the melting of the material are controlled by the average power of the pulses. The duration of each pulse is controlled to be less than the time required to generate a beam absorbing plasma adjacent the weld zone. The absence of beam absorbing plasma and the efficient destruction of the reflectivity of the surface of the material results in increased welding efficiency and/or increased welding speed.
摘要翻译：公开了一种利用连续波束辐射的高频中断的材料加工方法，特别是焊接方法。激光辐射的脉冲以比材料的热响应时间更快的脉冲重复频率产生，通常大于1千赫，其中材料与脉冲反应，使得材料的表面反射率的特性由脉冲的峰值功率和材料的熔化特性由脉冲的平均功率控制。每个脉冲的持续时间被控制为小于在焊接区附近产生光束吸收等离子体所需的时间。没有光束吸收等离子体和材料表面的反射率的有效破坏导致提高的焊接效率和/或增加的焊接速度。

10. 发明授权

US4078167A Welding shield and plasma suppressor apparatus 失效
标题翻译：焊接屏蔽和等离子体抑制装置
公开(公告)号：US4078167A
公开(公告)日：1978-03-07
申请号：US767110
申请日：1977-02-09
申请人： Conrad M. Banas , Harry C. Rogers, Jr.
发明人： Conrad M. Banas , Harry C. Rogers, Jr.
IPC分类号： B23K10/02 , B23K9/00 , B23K9/16
CPC分类号： B23K10/02 , B23K26/14 , B23K26/1464 , B23K26/1476 , B23K26/702
摘要： A welding device capable of providing a blanket of nonreactive gas to isolate atmospheric gases from a weld zone to prevent weld contamination and capable of providing a stream of suppression gas across the path of a welding beam to suppress the formation of a beam absorbing plasma is disclosed. The device comprises a housing having a welding beam entrance port, a structure wall cooperating with the housing to form a first cavity therein and having an exit port aligned with the entrance port, means for supplying suppression gas to the first cavity, means for exhausting the suppression gas from the first cavity, a base cooperating with the housing and the structure wall to form a second cavity within the housing, means for providing a nonreactive gas to the second cavity, and means for passing the nonreactive gas from the second cavity to the weld zone.
摘要翻译：一种焊接装置，其能够提供一层非反应性气体，以将大气中的气体与焊接区隔离，以防止焊接污染，并且能够提供穿过焊接梁的路径的抑制气体流，以抑制波束吸收等离子体的形成。。该装置包括具有焊接梁入口的壳体，与壳体协作以在其中形成第一腔并具有与入口端口对准的出口的结构壁，用于向第一空腔供应抑制气体的装置，来自第一腔的抑制气体，与壳体配合的底座和结构壁，以在壳体内形成第二腔，用于向第二腔提供非反应性气体的装置，以及用于将非反应性气体从第二腔传递到焊接区。

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