序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
21 用于制造带锥形结构的活塞销的方法 CN200710112091.8 2007-06-22 CN101121183A 2008-02-13 R·魏斯; S·班奇; J·恩达尔; P·费克图
发明涉及用于制造带锥形结构的活塞销的方法,其提供了一种用于在一个成型过程中冷成型中心腹板或无腹板的带锥形结构的活塞销的方法。该方法消除了辅助工序,这些辅助工序例如包括(但不限于)机加工、退火、涂敷以及辅助成型。该方法包括步骤:将金属棒材切割成基本为圆柱形的棒条段;对棒条段执行模具挤型,以在棒条段中形成第一空腔;可选地,对棒条段执行模具挤型,以在棒条段中形成第二空腔;将棒条段穿孔,以将其制成中空的圆筒件;在任一端对中空的圆筒件执行模具挤型,以形成这样的中空圆筒件:在任一端,该中空圆筒件的内表面具有锥形结构。
22 铅酸电池端子的制造方法和设备及用其制造的端子 CN200580038903.8 2005-11-14 CN101057352A 2007-10-17 F·吉伯里尼
一种用于在冷加工设备上通过塑性变形制造电池的铅端子的方法,这种设备有成形工位(2)和至少一个变形工位(30、40、50、60、80),该方法在成形工位成形坯料(7),所述坯料(7)具有沿着其纵向轴向的一纵向延伸长度以提供端子的基部(9)和接触部分(8)且其尺寸适应于要制造的端子最终成品的尺寸;把坯料(7)传送到变形工位(30、40、50、60、80);为坯料(7)的基部(9)的内部和外部成形,进行坯料(7)的第一步变形;以及为坯料(7)的基部(9)的至少一进一步的内部和外部成形,进行坯料(7)的第二步变形;各步变形是作为渐进的变形步骤顺序地进行。
23 高压燃料喷射管及其形成方法 CN200510116586.9 2005-09-02 CN1755096A 2006-04-05 古坚宗胜
发明公开了一种高压燃料喷射管,该高压燃料喷射管能消除连接头部分内部圆周表面上的液压压引发空腔侵蚀的问题,而且能出色地增加疲劳破裂强度。该高压燃料喷射管包括连接头部分,该连接头部分包括球形基座面、沿轴心方向以一定间隔远离基座面布置的环状凸缘部分、在厚壁管的连接端部分沿基座面相反方向从基座面到环状凸缘部分位置的间隔区域连续形成的锥形部分,该厚壁钢管具有比较细的直径,其中,通过在锥形部分的一部分中提供具有深的深度的环状底切弯曲凹槽,在形成连接头部分时产生的头部分内侧上的环状凹槽,该环状凹槽具有轮廓形状,该轮廓形状的截面具有浅的深度并且是平滑的,在环状凹槽部分的内部圆周表面上产生压缩残余应力
24 火花塞电热塞传感器用的管状金属壳体 CN93117508.9 1993-09-09 CN1086162A 1994-05-04 博金·齐格勒
一种火花塞电热塞传感器用的金属壳体是用冷挤压在数个变形工序内制造出来的。该金属壳体具有已知的形式,有一纵长孔其外部在纵向上分为:一个第一端段,设计为扳手用的多形,其对角线尺寸为E,接下来为一直径为D的圆柱形中段,再接下来为一圆柱形的第二端段,其直径d小于中段的直径D。为了减少冷挤压时的变形功并延长模具的寿命,金属壳体的外部设计成第一端段的对角线尺寸E与中段的直径D相等。
25 SOLENOID HOUSING WITH ELONGATED CENTER POLE PCT/US2012032364 2012-04-05 WO2012138889A3 2013-03-14 MEHTA SHREYAS R
The invention relates to a solenoid housing having an elongated center pole comprising a non-magnetic region thereon for allowing actuation of an armature in response to electric current and a method of the making said solenoid housing. The instant invention eliminates the need for a two-piece construction of the center pole, leading to a simplified fabrication process, increased performance of product solenoid housing, and increased operational lifetimes as well.
26 COLD FORM NOZZLE FOR LASER PROCESSING PCT/US2004039906 2004-11-30 WO2005053891A3 2005-12-01 FREDRICK WILLIAM G
A method for cold-forming a nozzle (10) for a laser includes placing a slug or tube (34) of oxygen-free copper into a die (36). A mandrel (40) is forced into the copper slug or tube. The resultant compressive force causes the copper to cold flow around the mandrel and the die to define an inner shape (38) and an outer dimension (14) of the part.
27 RADIAL EXTRUSION PROCESS COMBINED WITH INSIDE TUBE IRONING PCT/SI9400007 1994-05-16 WO9426437A3 1995-01-19 PIPAN JANEZ
A subject of the invention is the radial extrusion process combined with inside tube ironing, which is an essence a cold extrusion process and can be reckoned among bulk metal forming processes. It enables tube shaped metal semiproducts to be formed into different final shaped parts or parts that are intended for additional working, for example by machining. The process is grounded on insertion of a tube (1), which may be on one end previously expanded, into a proper shaped die (3), where on one side there is a punch (4) which is retained with a determined force (F1) and inside which lies a free movable mandrel (5), while from the other side in working stroke the counter-punch (2) extrudes the difference of tube volume which results from ironing of the tube (1), in the direction of counter-punch (2) travel so, that the material fills up the starting clearance between the mandrel (5) and the tube (1), the space between the tube (1) and the punch (2) and arbitrary shaped space (B) in the punch (2) or in the die (3).
28 System and method of making a forged part US13752844 2013-01-29 US09751124B2 2017-09-05 Phillip Leicht; Paul Bore
A system and method of making a forged part. A flange may be forged between first and second ends of the part by actuating an upset punch against a second end of the tube that is disposed opposite the first end. The flange may extend away from an axis along which an upset punch is actuated.
29 Cold forming method for forming power pins and power pin formed thereof US14809289 2015-07-27 US09634419B2 2017-04-25 Manzhi Zhou; Guangdong Song
The invention discloses a cold forming method for forming power pins and a power pin formed thereof. The cold forming method for forming power pins comprises the following steps: step 1: cutting blank out; step 2: pre-forming the power pin body by necking; step 3: trimming the pre-formed power pin body, and pre-forming a pin fixing disk; step 4: forming the pin fixing disk and a staggered weld leg of pin. The invention also discloses a power pin formed by the cold forming method, composed of a power pin body, a pin fixing disk and a staggered weld leg of pin which are integrally formed into one piece by the cold forming method. The invention achieves high-speed automatic production and high production efficiency with a simple process, and improves material utilization and strength.
30 Screw plug made of a metallic material, method for the production thereof, corresponding blank, and corresponding tool US13184742 2011-07-18 US09567882B2 2017-02-14 Hartmut Flaig
A screw plug for a liquid conduit, particularly an oil pipe or an oil container, comprising a cylindrical shaft that is placed on a top plate and is provided with an external thread. A pocket hole having a polygonal cross section is centrally arranged on the top plate as a receiving member for a tool. The shaft is embodied as a tubular butt that is provided with the external thread. A pocket hole which is arranged coaxial to the pocket hole of the top plate extends from the face of the shaft. In order to produce the screw plug, a blank comprising the cylindrical tubular butt that is connected to the top plate in a molded on manner is made, the inner diameter and outer diameter of the tubular butt being smaller than the final corresponding diameters (e, f) of the screw plug. The tubular butt of the blank is then enlarged by applying pressure to the inner wall surface of the pocket hole thereof. Also disclosed is a tool in which one end of a pressure die is fixed as a mandrel-type tool while a supporting or holding head which is disposed so as to be movable relative thereto and encompass a seat for a blank is associated with the free end thereof.
31 METHOD FOR MANUFACTURING METAL FITTING, METHOD FOR MANUFACTURING SPARK PLUG, AND METHOD FOR MANUFACTURING SENSOR US15301088 2015-06-22 US20170021407A1 2017-01-26 Satoru OCHIAI
A method of manufacturing a metal fitting having a tool engagement portion engageable with a tool. The manufacturing method includes a cold forging process, wherein the cold forging process includes: a step (a) of forming a body portion having a first maximum length and a butt portion being continuous to the body portion and having a second maximum length larger than the first maximum length; and a step (b) of drawing at least a part of the butt portion in the axis direction, thereby forming the tool engagement portion.
32 Distribution device for coloring products US14435066 2013-10-10 US09522407B2 2016-12-20 Marcello Bettini
Distribution device for coloring products, comprising a collector for dispensing nozzles and corresponding nozzles mounted thereon. The collector comprises a containing body provided with one or more through cavities. In correspondence with one end associated to an external surface the containing body is provided with a positioning element. The containing body is provided with a seating, inside the external surface, disposed at the end of each of the through cavities, defining a wider portion with respect to the cross section of the corresponding through cavity.
33 Method for producing a throttle US14124768 2012-05-23 US09511456B2 2016-12-06 Oliver Heintges; Joao Duarte; Rene Gueldenberg
The invention relates to a method for producing a throttle (34) in a flow channel (24) that extends in a component (8), in particular a valve part, and that is used to control a medium from a control chamber. According to the invention, after formation of the flow channel (24) in the valve part (8), the throttle (34) is stamped by plastically deforming material in the vicinity of the flow channel (24) in the direction of the planned throttle (34), and the plastically deformed material acts in such a manner on a molding tool (50, 57, 58) introduced into the flow channel (24) in the position of the planned throttle (34) that a contour (57, 58) of the molding tool (50) defining the throttle (34) is formed in the flow channel (24). The plastic deformation is effected by a stamping die (40) moved with a defined force, while the contour of the throttle (34) is formed by a tip portion (57, 58) of a counter-die (50) used as the molding tool.
34 Method for manufacturing a material dispense tip US14217809 2014-03-18 US09486830B1 2016-11-08 Jeffrey P. Fugere
A material dispense tip includes an elongated hole in an elongated neck that extends from an input end of the neck to an output end of the neck. The hole at the output end of the neck has a first diameter. The output end of the neck is positioned against a die surface. A punch is inserted into the hole at the input end of the neck. An external force is applied to the neck to cause the output end of the neck to be deformed under compression by the die surface, to reduce the diameter of the hole at the output end of the neck from the first diameter to a second diameter that is less than the first diameter.
35 Method of manufacturing a hollow externally threaded fastener US14145868 2013-12-31 US09475109B2 2016-10-25 Joel M. Houck; Gerald W. Hagel; Burak Gursel
A method of and device for manufacturing a hollow anchor with a radial, helical contour on its outer surface is provided. The contour is preferably a raised external contour or helix that is formed on the outer wall of the anchor and is suitable for tapping a thread in masonry. The hollow anchor formed by the method has an internal cavity that can receive another member and an outer surface with a raised external contour that is suitable for tapping a thread in a blind bore in a masonry member.
36 UNITARY CONNECTOR PIN FORMED BY TWO-STAGE COLD HEADING DIE US14839360 2015-08-28 US20150369270A1 2015-12-24 Robert Rottinghaus
A unitary metal connector pin formed by a cold heading die has a body with a disc-like expanded portion on a first end thereof which is adapted to engage and retain a first body when the pin is inserted through a first aperture in the first body. On a second, opposed end of the pin are disposed plural spaced flexible fingers each having a respective outwardly projecting, radially expanded portion. The radially expanded portions form a segmented outer ring on the pin capable of first undergoing inward deflection, followed by outward radial expansion for engaging a second body when the fingered end of the pin is inserted through a second aperture in the second body for securely coupling the two bodies together. The cold heading die includes a first stage for forming in a connector pin blank a first hollowed-out end portion with the flexible fingers and a second stage for forming the second radially expanded end portion and the outer projections on the flexible fingers.
37 Distribution Device for Coloring Products US14435066 2013-10-10 US20150298156A1 2015-10-22 Marcello Bettini
Distribution device for coloring products, comprising a collector for dispensing nozzles and corresponding nozzles mounted thereon. The collector comprises a containing body provided with one or more through cavities. In correspondence with one end associated to an external surface the containing body is provided with a positioning element. The containing body is provided with a seating, inside the external surface, disposed at the end of each of the through cavities, defining a wider portion with respect to the cross section of the corresponding through cavity.
38 Device for sealing orifices on nozzle of fuel injector for autofrettage process US13890652 2013-05-09 US09133802B2 2015-09-15 Rahul N. Gami; Marion B. Grant; John S. Miller, Jr.
A device for sealing one or more orifices on a vessel for pressurizing fluid is provided. The device includes an outer surface and an inner surface. The inner surface includes one or more substantially semi-spherical protrusions corresponding to the orifices. The protrusions are configured to contact with edges of the orifices and seal the orifices.
39 Method for manufacturing a damping shaft sleeve US14043211 2013-10-01 US08904845B2 2014-12-09 Johnson Su
This invention relates to a method for manufacturing a damping shaft sleeve that includes: forging a base material into a billet that includes a cylindrical body having two opposite ends and an annular flange formed on one of the opposite ends; forging a shaft hole in the cylindrical body; inverting the base material and forming two annular grooves that are respectively indented from two opposite surfaces of the annular flange; forging the billet to form the annular flange into a bottom wall and a side wall, the bottom wall cooperating with the side wall to form an asymmetrical and helical groove; and forging the shaft hole to pass through the cylindrical body of the billet.
40 UNITARY CONNECTOR PIN FORMED BY TWO-STAGE COLD HEADING DIE US13780331 2013-02-28 US20140241832A1 2014-08-28 Robert Rottinghaus
A unitary metal connector pin formed by a cold heading die has a body with a disc-like expanded portion on a first end thereof which is adapted to engage and retain a first body when the pin is inserted through a first aperture in the first body. On a second, opposed end of the pin are disposed plural spaced flexible fingers each having a respective outwardly projecting, radially expanded portion. The radially expanded portions form a segmented outer ring on the pin capable of first undergoing inward deflection, followed by outward radial expansion for engaging a second body when the fingered end of the pin is inserted through a second aperture in the second body for securely coupling the two bodies together. The cold heading die includes a first stage for forming in a connector pin blank a first hollowed-out end portion with the flexible fingers and a second stage for forming the second radially expanded end portion and the outer projections on the flexible fingers.
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