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1. 发明授权

US06757974B2 Fuel inlet and manufacturing method thereof 失效
标题翻译：燃料入口及其制造方法
公开(公告)号：US06757974B2
公开(公告)日：2004-07-06
申请号：US10100742
申请日：2002-03-18
申请人： Tsuguo Kido , Tetsuji Omori , Keiichi Yamamoto , Masayuki Sugiura , Yuji Nakada , Seiji Yamamoto , Toyohisa Kawabe
发明人： Tsuguo Kido , Tetsuji Omori , Keiichi Yamamoto , Masayuki Sugiura , Yuji Nakada , Seiji Yamamoto , Toyohisa Kawabe
IPC分类号： B23P1700
CPC分类号： B21C37/065 , B21C37/15 , B21C37/29 , B21D17/04 , B21D39/04 , B21D53/88 , B60K15/04 , Y10T29/49 , Y10T29/49428 , Y10T29/49432 , Y10T29/49938 , Y10T137/86324 , Y10T137/86332
摘要： A fuel inlet comprises an inlet pipe, a breather tube, a retainer, a spiral groove, and the like. The inlet pipe is formed by processing a metal pipe and has an expanded portion, a taper portion, and a main body in the order from the fuel port. The expanded portion is formed by increasing the diameter by bulging. In order to prevent defects in the pipe such as cracks from being caused during bulging, SUS304, SUS304L, or SUS436 according to JIS is used as the material of the pipe. The diameter of the main body is 25.4 mm and the diameter of the expanded portion is 50 mm. A spiral groove on which a screw-type fuel port cap can be screwed is formed in the vicinity of the open end of the expanded portion, by crimping the inlet pipe and the retainer together. On the outer surface of the expanded portion in the vicinity of the open end is provided an outer-cylinder-like flange formed integrally with the inlet pipe.
摘要翻译：燃料入口包括入口管，通气管，保持器，螺旋槽等。入口管通过处理金属管而形成，并且具有从燃料口开始的顺序的膨胀部，锥形部和主体。膨胀部分通过膨胀增加直径而形成。为了防止在膨胀期间在管道中产生诸如裂纹的缺陷，使用根据JIS的SUS304，SUS304L或SUS436作为管材。主体直径为25.4mm，膨胀部的直径为50mm。通过将入口管和保持器压接在一起，在扩展部的开口端附近形成螺旋形燃料口盖可旋拧的螺旋槽。在开口端附近的膨胀部的外表面上设置有与入口管整体形成的外筒状凸缘。

2. 发明授权

US06390124B1 Fuel inlet and manufacturing method thereof 失效
标题翻译：燃料入口及其制造方法
公开(公告)号：US06390124B1
公开(公告)日：2002-05-21
申请号：US09630417
申请日：2000-08-01
申请人： Tsuguo Kido , Tetsuji Omori , Keiichi Yamamoto , Masayuki Sugiura , Yuji Nakada , Seiji Yamamoto , Toyohisa Kawabe
发明人： Tsuguo Kido , Tetsuji Omori , Keiichi Yamamoto , Masayuki Sugiura , Yuji Nakada , Seiji Yamamoto , Toyohisa Kawabe
IPC分类号： F02M3302
CPC分类号： B21C37/065 , B21C37/15 , B21C37/29 , B21D17/04 , B21D39/04 , B21D53/88 , B60K15/04 , Y10T29/49 , Y10T29/49428 , Y10T29/49432 , Y10T29/49938 , Y10T137/86324 , Y10T137/86332
摘要： A fuel inlet comprises an inlet pipe, a breather tube, a retainer, a spiral groove, and the like. The inlet pipe is formed by processing a metal pipe and has an expanded portion, a taper portion, and a main body in the order from the fuel port. The expanded portion is formed by increasing the diameter by bulging. In order to prevent defects in the pipe such as cracks from being caused during bulging, SUS304, SUS304L, or SUS436 according to JIS is used as the material of the pipe. The diameter of the main body is 25.4 mm and the diameter of the expanded portion is 50 mm. A spiral groove on which a screw-type fuel port cap can be screwed is formed in the vicinity of the open end of the expanded portion, by crimping the inlet pipe and the retainer together. On the outer surface of the expanded portion in the vicinity of the open end is provided an outer-cylinder-like flange formed integrally with the inlet pipe.
摘要翻译：燃料入口包括入口管，通气管，保持器，螺旋槽等。入口管通过处理金属管而形成，并且具有从燃料口开始的顺序的膨胀部，锥形部和主体。膨胀部分通过膨胀增加直径而形成。为了防止在膨胀期间在管道中产生诸如裂纹的缺陷，使用根据JIS的SUS304，SUS304L或SUS436作为管材。主体直径为25.4mm，膨胀部的直径为50mm。通过将入口管和保持器压接在一起，在扩展部的开口端附近形成螺旋形燃料口盖可旋拧的螺旋槽。在开口端附近的膨胀部的外表面上设置有与入口管整体形成的外筒状凸缘。

3. 发明授权

US06453714B2 Method of forming an eccentrically expanded pipe and eccentrically pipe-expanding device 有权
标题翻译：形成偏心扩管和偏心扩管装置的方法
公开(公告)号：US06453714B2
公开(公告)日：2002-09-24
申请号：US09819514
申请日：2001-03-27
申请人： Tsuguo Kido , Tetsuji Omori , Seiji Yamamoto , Yuji Nakada
发明人： Tsuguo Kido , Tetsuji Omori , Seiji Yamamoto , Yuji Nakada
IPC分类号： B21D4102
CPC分类号： B21D41/02
摘要： In forming a fuel inlet pipe FP, (1) a portion of a base pipe is expanded by use of an expander punch to form a processed pipe comprising a neck portion, of which the diameter is the same as that of the base pipe, a tapering portion, and an expanded portion, all of these portions being connected in coaxial relation to one another (coaxially expanding process); and (2) a central axis of the neck portion and a central axis of the expanded portion are decentered relative to each other, and the expanded portion of the processed pipe is further expanded by use of an expander punch having a diameter larger than that of the expander punch used in the coaxially expanding process, thereby forming the fuel inlet pipe FP (eccentrically expanding process). The coaxially expanding process is performed one time or a plurality of times, while the eccentrically expanding process is performed only one time.
摘要翻译：在形成燃料入口管FP的过程中，（1）使用膨胀机冲头使基管的一部分膨胀，以形成直径与基管直径相同的颈部的加工管，锥形部分和扩张部分，所有这些部分彼此同轴连接（同轴扩张过程）; 和（2）颈部的中心轴线和膨胀部分的中心轴线相对于彼此偏心，并且通过使用直径大于在同轴膨胀过程中使用的膨胀机冲头，从而形成燃料入口管FP（偏心扩大过程）。进行同时扩展处理一次或多次，而偏心扩展处理仅执行一次。

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