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1. 发明申请

US20210220894A1 MANUFACTURING DEVICE FOR BENT PIPE AND METHOD OF MANUFACTURING BENT PIPE 有权
公开(公告)号：US20210220894A1
公开(公告)日：2021-07-22
申请号：US17111668
申请日：2020-12-04
申请人： FUTABA INDUSTRIAL CO., LTD.
发明人： Hiro Iwase , Koichiro Yamamoto , Takashi Sakurai
IPC分类号： B21D11/07 , B21D7/024 , B21D9/05
摘要： One aspect of the present disclosure is a manufacturing device by which the bent pipe is obtained by bending a double pipe. The device includes inner and intermediate core metals, a bending mold, and a controller. The controller executes: a first bending process in which first and second pipes are bent by the bending mold in a first direction in a first area of the double pipe where the inner and intermediate core metals are placed; a second bending process in which the first and second pipes are bent, after the first bending process, by the bending mold in a second direction in a second area of the double pipe where the inner and intermediate core metals are placed; and a first bending-back process in which the second pipe is bent, after the first bending process, in a direction opposite to the first direction in the first area.

2. 发明授权

US06976378B2 Bending machine 有权
标题翻译：折弯机
公开(公告)号：US06976378B2
公开(公告)日：2005-12-20
申请号：US10203773
申请日：2001-02-19
申请人： Norio Kobayashi
发明人： Norio Kobayashi
IPC分类号： B21D11/07 , B21D11/12 , B21D7/04 , B21D7/024
CPC分类号： B21D11/12 , B21D11/07 , H02K3/12 , H02K15/0478
摘要： A bending machine according to the present invention include: a first fixture member 22 for holding one end portion of a long work 20; a second fixture member 24 for holding the other end portion of the work 20; a rack 30 mounted on the first fixture member 22 so as to extend in longitudinal directions of the first fixture member 22; a roll-shaped bending die 21, mounted on the second fixture member 24, for bending the work along the outer peripheral surface of the second fixture member; a pinion gear 26 which is coaxially connected to the bending die 21 via a shaft 28 and which engages the rack 30; and a connecting member 27 for connecting the first fixture member 22 to the second fixture member 24 via the shaft 28 in a relatively rotatable state so that the pinion gear 26 is movable along the rack 30 while engaging the rack 30.
摘要翻译：根据本发明的弯曲机包括：用于保持长工件20的一个端部的第一固定构件22; 用于保持工件20的另一端部的第二固定构件24; 安装在第一固定构件22上以沿着第一固定构件22的纵向延伸的齿条30; 安装在第二固定构件24上的用于沿着第二固定构件的外周面弯曲工件的辊状弯曲模具21; 小齿轮26，其经由轴28同轴地连接到弯曲模具21并与齿条30接合; 以及用于经由轴28以相对可旋转的状态将第一固定构件22连接到第二固定构件24的连接构件27，使得小齿轮26能够在与齿条30接合的同时沿着齿条30移动。

3. 发明申请

US20050268681A1 Dual-directional pipe-bending machine 有权
标题翻译：双向弯管机
公开(公告)号：US20050268681A1
公开(公告)日：2005-12-08
申请号：US11097317
申请日：2005-04-04
申请人： Ping-Kun Hu
发明人： Ping-Kun Hu
IPC分类号： B21D7/024 , B21D7/04 , B21D11/07
CPC分类号： B21D11/07 , B21D7/024
摘要： A dual-directional pipe-bending machine bends a pipe in either direction and has a base, a transporting device and a pipe-bending assembly. The base has a bracket. The transporting device is mounted slidably on the bracket. The pipe is mounted on the transporting device. The pipe-bending assembly is mounted on the base and has a transversely moving bracket, a vertically moving bracket, a location-changing assembly, a rotating transmission device, a rotating bracket and two pipe-bending devices. The transversely and vertically moving brackets are mounted on the base. The location-changing assembly moves the transversely moving bracket and the vertically moving bracket. The rotating bracket connects to the vertically moving bracket. The rotating transmission device rotates the rotating bracket. The two pipe-bending devices are mounted on the rotating bracket.
摘要翻译：双向弯管机沿任一方向弯曲管道，并具有底座，输送装置和弯管组件。底座有一个支架。传送装置可滑动地安装在支架上。管道安装在运输装置上。管弯曲组件安装在基座上，具有横向移动的支架，垂直移动的支架，位置改变组件，旋转传动装置，旋转支架和两个弯管装置。横向和垂直移动的支架安装在底座上。位置改变组件移动横向移动的支架和垂直移动的支架。旋转支架连接到垂直移动的支架。旋转传动装置旋转支架。两个弯管装置安装在旋转支架上。

4. 发明授权

US5062288A Method and apparatus for forming bends in a tube 失效
标题翻译：在管中形成弯曲的方法和装置
公开(公告)号：US5062288A
公开(公告)日：1991-11-05
申请号：US625655
申请日：1990-12-13
申请人： Keith Titzer , Charlie Oran , Richard Reich , Gary Gann , William O. Toy, Jr. , Jerry Lamb , Chris Brack , Lloyd Comer , Dan Libbert , Don Masterson , Jerry Shekell , Don Deig , Kenneth Butler , Earl Roehm
发明人： Keith Titzer , Charlie Oran , Richard Reich , Gary Gann , William O. Toy, Jr. , Jerry Lamb , Chris Brack , Lloyd Comer , Dan Libbert , Don Masterson , Jerry Shekell , Don Deig , Kenneth Butler , Earl Roehm
IPC分类号： B21D11/07 , B21F1/04
CPC分类号： B21D11/07 , B21F1/04
摘要： A method and apparatus is provided for forming bends in a tube. A set of bend forming elements are mounted on each of a pair of parallel guideways. Each set of bend forming elements are interconnected by lazy tongs and a motor is provided to drive each set of bend forming elements along the guideways so that each set of bend forming elements may be moved together or separated while maintaining equal spacing between the elements. When a straight tube is placed between the sets of bend forming elements and the bend forming elements are driven together while the guideways simultaneously are driven apart, bends are formed in the tube to form the tube into a serpentine configuration. The bend forming elements have at least two different curvatures on their external surfaces so that the bends in the tube are formed in two stages with each of the different curvatures being sequentially operative to form the final bends in the tube.
摘要翻译：提供一种在管中形成弯曲的方法和装置。一组弯曲成形元件安装在一对平行导轨中的每一个上。每组弯曲形成元件通过惰性钳相互连接，并且提供电动机以沿着导轨驱动每组弯曲形成元件，使得每组弯曲形成元件可以一起移动或分离，同时保持元件之间的相等的间隔。当直管被放置在弯曲成形元件组之间并且弯曲形成元件被驱动在一起同时导轨同时被驱动分开时，弯管形成在管中以形成蛇形结构。弯曲形成元件在其外表面上具有至少两个不同的曲率，使得管中的弯曲形成为两个阶段，其中每个不同的曲率依次操作以在管中形成最终的弯曲。

5. 发明授权

US4433564A Scroll manufacturing tool 失效
标题翻译：滚动制造工具
公开(公告)号：US4433564A
公开(公告)日：1984-02-28
申请号：US380141
申请日：1982-05-20
申请人： Eiji Fukushima , Seiichi Fukuhara , Masaharu Hiraga
发明人： Eiji Fukushima , Seiichi Fukuhara , Masaharu Hiraga
IPC分类号： B21D11/07 , B21D11/06 , B23F15/06 , F01C1/02 , F04C18/02 , F04C18/04 , B21C47/00
CPC分类号： B21D11/06 , B23F15/06 , F04C18/0246 , F04C2230/10
摘要： A manufacturing tool for finishing a preformed scroll for use in a scroll type fluid displacement apparatus is disclosed. The tool includes a working member having an end plate and a first involute element extending from one end surface of said end plate. The end plate has a plurality of arc shaped holes along the outer side wall of the first involute element. A second involute element is rotatably coupled to the working member and interfits with the first involute element in a disposition to define a radial gap between the first and second involute elements. A plurality of pins project axially from an axial end of the second involute element and penetrate through the arc shaped holes. A rotatable member has a plurality of holes extending in the axial direction. The pins have axial end portions which extend into the holes in the rotatable member to couple the rotatable member to the second involute member and to transmit the rotation of the rotatable member to the second involute element so that the relative rotation between the first and second involute elements adjusts the gap between them.
摘要翻译：公开了一种用于完成用于涡旋式流体置换装置的预制涡旋件的制造工具。该工具包括具有端板的工作构件和从所述端板的一个端表面延伸的第一渐开线元件。端板具有沿着第一渐开线元件的外侧壁的多个弧形孔。第二渐开线元件可旋转地联接到工作构件并且以与第一渐开线元件相互配合的位置来限定第一和第二渐开线元件之间的径向间隙。多个销从第二渐开线元件的轴向端轴向突出并穿过弧形孔。旋转构件具有沿轴向延伸的多个孔。销具有轴向端部，其延伸到可旋转构件中的孔中以将可旋转构件联接到第二渐开线构件并将可旋转构件的旋转传递到第二渐开线元件，使得第一和第二渐开线之间的相对旋转元素调整它们之间的差距。

6. 发明授权

US4048834A Apparatus for forming serpentine heat exchangers 失效
标题翻译：用于形成蛇形热交换器的装置
公开(公告)号：US4048834A
公开(公告)日：1977-09-20
申请号：US677505
申请日：1976-04-15
申请人： Charles R. Durbin , Bernard W. Schoenbachler
发明人： Charles R. Durbin , Bernard W. Schoenbachler
IPC分类号： B21C37/26 , B21D11/07 , B21D53/06 , B23Q7/04
CPC分类号： B23Q7/042 , B21C37/26 , B21D11/07 , B21D53/06 , Y10T29/49378
摘要： A machine for forming a serpentine heat exchanger having a predetermined length from a continuously formed spine fin tubing. A supply of continuously formed spine fin tubing is directed to a forming and bending head in predetermined increments where it is bent in alternate directions about a central axis to form the serpentine heat exchanger. Prior to the bending action the portion to be bent is deformed into a cross section having its major axis parallel with the longitudinal axis of the tube and perpendicular to the central axis. The following bending operation causes the tube diameter across the major axis to decrease as the wall in the area of the outer curve migrates radially inwardly due to its failure to elongate sufficiently, in effect, the cross sectional area in the completed bent portion is substantially equal to the cross sectional area of the tube before the deforming and bending operation.
摘要翻译：一种用于从连续形成的脊柱管形成具有预定长度的蛇形热交换器的机器。连续形成的脊柱管的供应以预定增量被引导到成形和弯曲头，其中它绕着中心轴在交替的方向弯曲以形成蛇形热交换器。在弯曲作用之前，要弯曲的部分变形成其长轴与管的纵向轴线平行并且垂直于中心轴线的横截面。以下弯曲操作导致跨越长轴的管直径随着外曲面区域中的壁由于其不能充分伸长而径向向内移动而减小，实际上，完成的弯曲部分中的横截面面积基本相等在变形和弯曲操作之前的管的横截面积。

7. 发明授权

US3673845A Tensile bending of metal panels or strip having inflatable passageways 失效
标题翻译：金属板的拉伸弯曲或带有可充气的通孔的条带
公开(公告)号：US3673845A
公开(公告)日：1972-07-04
申请号：US3673845D
申请日：1969-11-25
申请人： OLIN CORP
发明人： VERCOGLIO JOHN W
IPC分类号： B21D11/07 , B21D53/04 , B21D11/04
CPC分类号： B21D11/07 , B21D53/045 , Y10S29/042 , Y10T29/49391
摘要： A process for bonding metal strip or panels containing inflatable passageways, wherein the passageway may be uninflated, partially inflated, preformed, or fully inflated. The strip or panels are eventually fully inflated to form one or more fluid passageways. The strip or panel is maintained under tension and is bent by contacting it with a die spindle while it is under tension. The strip or panel will be forced ahead and around the die spindle, thus creating elongation. Upon completion of the bend, the strip or panel may be inflated using air, water, or any other inflation medium. The inflation can be accomplished while the strip or panel is still under tension, or they may be freely inflated after removal of the tension. An apparatus for carrying out the process comprises a die spindle shaped to substantially mate with the strip or panel which is to be bent. The die spindle is secured to a rotatable bending arm, which is adapted to traverse the die spindle through an arc, which intercepts the strip or panel, forcing the strip or panel ahead and around the die spindle. The apparatus also contains means for 4879888X tension to the strip or panel while it is being bent. The tension is preferably slightly less than the yield strength at 0.2 percent offset of the strip or panel. The apparatus is also capable of automatic and continuous operation and is ideally suited to the formation of serpentine-like configurations for use in heat exchangers.

8. 发明授权

US3628369A Tube flattening and bending machine 失效
标题翻译：管弯曲和弯曲机
公开(公告)号：US3628369A
公开(公告)日：1971-12-21
申请号：US3628369D
申请日：1969-07-16
申请人： BUTLER MANUFACTURING CO
发明人： WILLIAMSON DAN G
IPC分类号： B21D11/07 , B21D13/02
CPC分类号： B21D11/07
摘要： A machine for flattening portions of a straight length of tubing and for bending the tubing into a zigzag shape. Movable outboard stations are mounted by rollers on a rail extending to each side of an immovable central station. Associated with each station is an anvil and hammer assembly to hold, to flatten and to grip a portion of the tubing. A hydraulic cylinder is mounted on alternate outboard stations to move the anvil and hammer assembly in an upwardly direction from the rail, thereby bending the tubing into a zigzag shape.

9. 发明授权

US3475938A Apparatus for bending 失效
标题翻译：弯曲装置
公开(公告)号：US3475938A
公开(公告)日：1969-11-04
申请号：US3475938D
申请日：1967-05-02
申请人： FOSTER WHEELER CORP
发明人： WHITNEY GILBERT CLINTON JR , WHITMAN RAYMOND CLAIR
IPC分类号： B21D7/024 , B21D11/07 , B21D7/04
CPC分类号： B21D11/07 , B21D7/024

10. 发明授权

US3405964A Positioning mechanism 失效
标题翻译：定位机制
公开(公告)号：US3405964A
公开(公告)日：1968-10-15
申请号：US53757966
申请日：1966-01-20
申请人： MCINERNEY SPRING & WIRE CO
发明人： JOHN TUIT
IPC分类号： B21D11/07 , B21F23/00
CPC分类号： B21D11/07 , B21F23/00

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