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1. 发明授权

US5472175A Block assembly for use in metal scarfing apparatus 失效
标题翻译：用于金属烧结设备的块组件
公开(公告)号：US5472175A
公开(公告)日：1995-12-05
申请号：US293649
申请日：1994-08-22
申请人： Michael S. Showalter , John G. Dawson, Jr. , Frank J. Gusky
发明人： Michael S. Showalter , John G. Dawson, Jr. , Frank J. Gusky
IPC分类号： B23K7/06 , B23K7/08 , F23D14/56
CPC分类号： F23D14/56 , B23K7/08
摘要： A block assembly for a thermochemical scarfing apparatus which allows a greater diagonal standoff distance from the metal workpiece during preheating. The block assembly comprises a base member and an extension releasably joined to the base member, and the base member and extension include an internal network of gas distribution lines for separately delivering both oxygen and fuel gas to each of a plurality of discharge openings which are disposed in a longitudinal row along the front face of the extension. A nozzle insert is releasably mounted in each discharge opening, such that during preheating, the oxygen may be discharged from each discharge opening as a central high velocity stream and the fuel gas may be discharged as a concentric stream which coaxially surrounds the central stream, and so that the momentum of the central stream is maintained. The effective flame heating distance thereby may be extended during preheating, and the block assembly may be moved back from the workpiece a significant standoff distance so as to avoid damage from dislodged molten metal slag.
摘要翻译：用于热化学切割装置的块组件，其允许在预热期间与金属工件更大的对角线间隔距离。块组件包括基部构件和可释放地接合到基部构件的延伸部分，并且基部构件和延伸部包括用于将氧气和燃料气体分别输送到设置的多个排放开口中的每一个的气体分配管线的内部网络沿着延伸部的前表面的纵向排。喷嘴插入件可拆卸地安装在每个排放口中，使得在预热期间，氧气可以作为中央高速流从每个排出口排出，并且燃料气体可以同心地围绕中心流排出，并且以保持中央流的势头。因此，在预热期间可以延长有效的火焰加热距离，并且块组件可以从工件移回到显着的间隔距离，以避免由移出的熔融金属炉渣造成的损坏。

2. 发明授权

US5304256A Scarfing method 失效
标题翻译：烧烤方法
公开(公告)号：US5304256A
公开(公告)日：1994-04-19
申请号：US948027
申请日：1992-09-21
申请人： Michael S. Showalter , John G. Dawson, Jr. , Frank J. Gusky
发明人： Michael S. Showalter , John G. Dawson, Jr. , Frank J. Gusky
IPC分类号： B23K7/06 , B23K7/08 , F23D14/56
CPC分类号： B23K7/06 , B23K7/08 , F23D14/56
摘要： A thermochemical scarfing method is disclosed which allows a greater diagonal standoff distance from the metal workpiece during preheating. The method includes preheating the end of the metal workpiece, and then scarfing the workpiece by directing a scarfing oxygen stream onto the workpiece at an acute angle and while moving the workpiece past the oxygen outlet port. The preheating step includes generating a high speed stream of oxidizing gas and a concentric stream of fuel gas coaxially about the central stream, so that the momentum of the central stream is maintained. As a result, the effective flame heating distance may be extended, and the manifold and head assembly which supports the preheating gas nozzles may be moved back from the workpiece a significant standoff distance so as to avoid damage from dislodged molten metal slag.
摘要翻译：公开了一种热化学切割方法，其允许在预热期间与金属工件更大的对角线间隔距离。该方法包括预热金属工件的端部，然后通过将锐化氧气流以锐角引导到工件上并且在通过氧气出口移动工件的同时对工件进行清扫。预热步骤包括产生高速的氧化气体流和同心的燃料气流，围绕中心流同轴，从而保持中心流的动量。结果，可以延长有效的火焰加热距离，并且支撑预热气体喷嘴的歧管和头部组件可以从工件移回到显着的间隔距离，以避免脱落的熔融金属炉渣的损坏。

3. 发明授权

US5333841A Nozzle insert for use in metal scarfing apparatus 失效
标题翻译：用于金属烧光设备的喷嘴插件
公开(公告)号：US5333841A
公开(公告)日：1994-08-02
申请号：US988450
申请日：1992-12-10
申请人： Michael S. Showalter , John G. Dawson, Jr. , Frank J. Gusky
发明人： Michael S. Showalter , John G. Dawson, Jr. , Frank J. Gusky
IPC分类号： B23K7/06 , B23K7/08 , F23D14/56
CPC分类号： B23K7/06 , B23K7/08 , F23D14/56
摘要： A thermochemical scarfing apparatus is disclosed which allows a greater diagonal standoff distance from the metal workpiece during preheating. The operating steps of the apparatus includes preheating the end of the metal workpiece, and then scarfing the workpiece by directing a scarfing oxygen stream onto the workpiece at an acute angle and while moving the workpiece past the oxygen outlet port. The preheating step includes generating a high speed stream of oxidizing gas and a concentric stream of fuel gas coaxially about the central stream, so that the momentum of the central stream is maintained. As a result, the effective flame heating distance may be extended, and the manifold and head assembly which supports the preheating gas nozzles may be moved back from the workpiece a significant standoff distance so as to avoid damage from dislodged molten metal slag.
摘要翻译：公开了一种热化学切割设备，其允许在预热期间与金属工件更大的对角线间隔距离。该装置的操作步骤包括预热金属工件的端部，然后通过将锐化氧气流以锐角引导到工件上并且在将工件移动通过氧气出口端口的同时对工件进行清理。预热步骤包括产生高速的氧化气体流和同心的燃料气流，围绕中心流同轴，从而保持中心流的动量。结果，可以延长有效的火焰加热距离，并且支撑预热气体喷嘴的歧管和头部组件可以从工件移回到显着的间隔距离，以避免脱落的熔融金属炉渣的损坏。

4. 外观设计

USD353823S Nozzle insert for use in metal scarfing apparatus 失效
公开(公告)号：USD353823S
公开(公告)日：1994-12-27
申请号：US8723
申请日：1993-05-25
申请人： Michael S. Showalter , John G. Dawson, Jr. , Frank J. Gusky
设计人： Michael S. Showalter , John G. Dawson, Jr. , Frank J. Gusky

5. 发明授权

US5358221A Block assembly for use in metal scarfing apparatus 失效
标题翻译：用于金属烧结设备的块组件
公开(公告)号：US5358221A
公开(公告)日：1994-10-25
申请号：US33601
申请日：1993-03-19
申请人： Michael S. Showalter , John G. Dawson, Jr. , Frank J. Gusky
发明人： Michael S. Showalter , John G. Dawson, Jr. , Frank J. Gusky
IPC分类号： B23K7/06 , B23K7/08 , F23D14/56
CPC分类号： F23D14/56 , B23K7/08
摘要： A block assembly for a thermochemical scarfing apparatus which allows a greater diagonal standoff distance from the metal workpiece during preheating. The block assembly comprises a base member and an extension releasably joined to the base member, and the base member and extension include an internal network of gas distribution lines for separately delivering both oxygen and fuel gas to each of a plurality of discharge openings which are disposed in a longitudinal row along the front face of the extension. A nozzle insert is releasably mounted in each discharge opening, such that during preheating, the oxygen may be discharged from each discharge opening as a central high velocity stream and the fuel gas may be discharged as a concentric stream which coaxially surrounds the central stream, and so that the momentum of the central stream is maintained. The effective flame heating distance thereby may be extended during preheating, and the block assembly may be moved back from the workpiece a significant standoff distance so as to avoid damage from dislodged molten metal slag.
摘要翻译：用于热化学切割装置的块组件，其允许在预热期间与金属工件更大的对角线间隔距离。块组件包括基部构件和可释放地接合到基部构件的延伸部分，并且基部构件和延伸部包括用于将氧气和燃料气体分别输送到设置的多个排放开口中的每一个的气体分配管线的内部网络沿着延伸部的前表面的纵向排。喷嘴插入件可拆卸地安装在每个排放口中，使得在预热期间，氧气可以作为中央高速流从每个排出口排出，并且燃料气体可以同心地围绕中心流排出，并且以保持中央流的势头。因此，在预热期间可以延长有效的火焰加热距离，并且块组件可以从工件移回到显着的间隔距离，以避免由移出的熔融金属炉渣造成的损坏。

6. 发明授权

US5234658A Scarfing apparatus 失效
标题翻译：烧烤器具
公开(公告)号：US5234658A
公开(公告)日：1993-08-10
申请号：US805111
申请日：1991-12-09
申请人： Michael S. Showalter , John G. Dawson, Jr. , Frank J. Gusky
发明人： Michael S. Showalter , John G. Dawson, Jr. , Frank J. Gusky
IPC分类号： B23K7/08 , F23D14/56
CPC分类号： F23D14/56 , B23K7/08
摘要： A scarfing apparatus which allows a greater diagonal stand-off distance from a slab during preheating and scarfing is disclosed. The apparatus includes a manifold and head assembly for receiving and distributing oxygen and fuel gas. Upper and lower preheat blocks extend from the manifold and head assembly. The blocks are spaced to define an oxygen scarfing slot and discharge orifice of predetermined size for receiving a flow of scarfing oxygen from the manifold and head assembly. A plurality of preheat nozzle inserts are mounted within the upper preheat block adjacent to each other in a row substantially across the width of the upper preheat block. Each nozzle insert includes a central bore through which a flow of oxygen is received from the manifold and head assembly and discharged through the insert. Longitudinally extending, substantially parallel flutes are positioned on the outer surface of the nozzle inserts and form fuel gas flow channels which receive fuel gas from the manifold and head assembly and deliver the fuel gas in a substantially parallel, concentric flow around the central flow of oxygen to prevent a sharp fuel gas flow intersection with the oxygen to maintain the momentum of the oxygen adjacent the nozzles as it exits the central bore. The nozzle inserts may be readily replaced when damaged. A method of initiating preheating of a slab with the scarfing apparatus of the present invention also is disclosed.
摘要翻译：公开了一种在预热和切割期间允许与板坯更大的对角线间隔距离的剥皮装置。该装置包括用于接收和分配氧气和燃料气体的歧管和头部组件。上部和下部预热块从歧管和头部组件延伸。这些块被间隔开以限定预定尺寸的氧气切割槽和排出孔，用于接收来自歧管和头部组件的烧焦氧气流。多个预热喷嘴插入件安装在上部预热块内，其基本上横跨上部预热块的宽度彼此相邻。每个喷嘴插件包括中心孔，氧气流通过该中心孔从歧管和头部组件接收并通过插入件排出。在纵向延伸的情况下，基本上平行的凹槽被定位在喷嘴插件的外表面上并且形成燃料气体流动通道，其接收来自歧管和头部组件的燃料气体，并且将燃料气体以中央的氧气流以防止尖锐的燃料气体与氧相交，以保持喷嘴在离开中心孔时邻近喷嘴的动量。喷嘴插入件在损坏时可以方便地更换。公开了一种用本发明的切割装置启动板坯预热的方法。

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