公开(公告)号：US5852859A

公开(公告)日：1998-12-29

申请号：US48973

申请日：1998-03-26

申请人： E. Grant Swick

发明人： E. Grant Swick

IPC分类号： B21D53/16 ,  B23P15/06 ,  C21D9/40 ,  B23B11/00

CPC分类号： C21D9/40 ,  B21D53/16 ,  B23P15/065 ,  Y10T29/49274 ,  Y10T29/49279 ,  Y10T29/49281 ,  Y10T29/49789 ,  Y10T29/49995 ,  Y10T29/5116

摘要： A method and apparatus for making non-circular piston rings which will precisely sealably conform to the cylinder wall of an internal combustion engine. In accordance with the method of the invention a metal strip of special cross-sectional configuration is coiled about a specially configured mandrel which is non-circular in cross section. Preferably the coiling mandrel is provided with a circumferentially interrupted thread form that has a zero helix angle along most of its circumference. During the coiling operation, using this type of mandrel, the metal strip is preformed at specific locations along its length into an angled configuration to form a coil body having a plurality of coils that have a zero helix angle along most of their circumference and a relatively steep helix angle for a short distance. After the coil is formed, the helix angle portions are cut therefrom to provide a plurality of generally planer, interrupted rings.

摘要翻译： 一种用于制造非圆形活塞环的方法和装置，其将精确地密封地符合内燃机的气缸壁。 根据本发明的方法，特殊横截面构造的金属带围绕非圆形截面的特殊构造的心轴盘绕。 优选地，卷绕芯轴设置有周向间隔的螺纹形式，其沿其大部分圆周具有零螺旋角。 在卷取操作期间，使用这种类型的心轴，金属条在其长度的特定位置处被预成型为成角度的构造，以形成具有多个线圈的线圈体，该线圈体具有沿其圆周的大部分具有零螺旋角， 陡峭的螺旋角，短距离。 在形成线圈之后，从中切割螺旋角部分以提供多个大致平面的中断的环。

公开(公告)号：US5809643A

公开(公告)日：1998-09-22

申请号：US577058

申请日：1995-12-22

申请人： E. Grant Swick

发明人： E. Grant Swick

IPC分类号： B21D53/16 ,  B23P15/06 ,  C21D9/40 ,  B23P5/00

CPC分类号： C21D9/40 ,  B21D53/16 ,  B23P15/065 ,  Y10T29/49274 ,  Y10T29/49279 ,  Y10T29/49281 ,  Y10T29/49789 ,  Y10T29/49995 ,  Y10T29/5116

摘要： A method for making non-circular piston rings which will precisely sealably conform to the cylinder wall of an internal combustion engine. In accordance with the method a metal strip of special cross-sectional configuration is coiled about a specially configured mandrel which is non-circular in cross section. Preferably the coiling mandrel is provided with a circumferentially interrupted thread form that has a zero helix angle along most of its circumference. During the coiling operation, using this type of mandrel, the metal strip is preformed at specific locations along its length into an angled configuration to form a coil body having a plurality of coils that have a zero helix angle along most of their circumference and a relatively steep helix angle for a short distance. After the coil is formed, the helix angle portions are cut therefrom to provide a plurality of generally planer, interrupted rings.

摘要翻译： 一种制造非圆形活塞环的方法，其将精确地密封地符合内燃机的气缸壁。 根据该方法，特殊横截面构造的金属带围绕非横截面的特殊构造的心轴卷绕。 优选地，卷绕芯轴设置有周向间隔的螺纹形式，其沿其大部分圆周具有零螺旋角。 在卷取操作期间，使用这种类型的心轴，金属条在其长度的特定位置处被预成型为成角度的构造，以形成具有多个线圈的线圈体，该线圈体具有沿其圆周的大部分具有零螺旋角， 陡峭的螺旋角，短距离。 在形成线圈之后，从中切割螺旋角部分以提供多个大致平面的中断的环。

公开(公告)号：US5752705A

公开(公告)日：1998-05-19

申请号：US145713

申请日：1993-10-25

申请人： Robert Plant

发明人： Robert Plant

IPC分类号： B21D7/08 ,  B21D11/14 ,  B21D53/16 ,  B23P15/06 ,  F16J9/00

CPC分类号： B21D7/08 ,  B21D11/14 ,  B21D53/16 ,  B23P15/065 ,  Y10T29/49274 ,  Y10T29/49279

摘要： A piston ring being planar, having a dished section and a planform giving desired radial pressure distribution on a co-operating cylinder wall and which ring is made form a steel resistant to stress relieving at the piston ring operating temperature. The dishing may be either positive or negative and may lie in the range from 0.025 to 0.75 mm. A method and apparatus are also described for the manufacture of such rings.

摘要翻译： 活塞环是平面的，具有碟形部分和平面形状，在合作的气缸壁上形成期望的径向压力分布，并且该环形成钢，以抵抗在活塞环工作温度下的应力释放。 凹陷可以是正的或负的，并且可以在0.025至0.75mm的范围内。 还描述了用于制造这种环的方法和装置。

公开(公告)号：US3745627A

公开(公告)日：1973-07-17

申请号：US3745627D

申请日：1971-08-05

申请人： NIPPON PISTON RING CO LTD

发明人： MIYAMOTO M

IPC分类号： F02F5/00 ,  B23P15/06 ,  F16J9/06

CPC分类号： B23P15/065 ,  Y10T29/49284

摘要： A spacer expander is of U shape in radial cross section and has upper and lower pressure supporting surfaces which have projections for urging side rails radially. Intermediate curved portions extend between adjacent pairs of upper and pairs of lower pressure supporting surfaces for circumferentially connecting the same.

摘要翻译： 间隔膨胀机在径向剖面为U形，并具有上下压力支承面，其具有径向推动侧轨的凸起。 中间弯曲部分在相邻的上部和下部一对下压支撑表面之间延伸，用于周向地连接它们。

公开(公告)号：US3646797A

公开(公告)日：1972-03-07

申请号：US3646797D

申请日：1970-05-21

申请人： SEALED POWER CORP

发明人： OVERWAY ROY E

IPC分类号： B21D20060101 ,  B21D5/01 ,  B21D11/06 ,  B21D28/00 ,  B21D28/26 ,  B21D31/00 ,  B21J13/10 ,  B23D15/04 ,  B23P15/06 ,  B23P17/00 ,  F16J20060101

CPC分类号： B23P15/065 ,  B21D53/16 ,  B21D53/84

摘要： A machine for making spacer-expanders for piston oil rings of the type described in U.S. Pat. No. 3,477,732. The machine comprises a punch press having a plurality of stations through which strip stock is fed progressively in accurately predetermined increments, the strip stock being worked between dies at each station to transform the strip stock into completed rings. The press includes one or more punching stations where the strip stock is pierced and blanked, one or more forming stations where the pierced and notched strip is bent to form the spring legs of the spacer-expander and then curled into a channel-shaped cross section, a coiling station where the channel-shaped stock is fashioned into a coil, and a cutoff station where each coil is sheared from the strip to form the semifinished ring. The press also includes a special transfer apparatus for transferring the semifinished ring to a final work station wherein the end joints are trimmed and formed to final configuration, after which the finished rings are loaded automatically in stacked relation on a cylindrical mandrel.

摘要翻译： 用于制造活塞油环的间隔物膨胀机的机器，其类型在美国专利No. 第3,477,732号。 该机器包括具有多个工位的冲压机，通过该多个工位，条带坯料以精确的预定增量逐渐进给，在每个工位的模具之间加工条状坯料，以将条状坯料转变成完成的环。 压力机包括一个或多个冲压站，其中条带坯被刺穿和冲裁，一个或多个成形工位，其中穿孔和切口条被弯曲以形成间隔物 - 膨胀机的弹簧腿，然后卷曲成通道形横截面 ，将通道形状的坯料形成线圈的卷取站，以及切断站，其中每个线圈从带材剪切以形成半成品环。 压机还包括用于将半成品环转移到最终工作站的特殊传送装置，其中端部接头被修整并形成为最终构造，之后将成品环以堆叠关系自动装载在圆柱形心轴上。

公开(公告)号：US2339538A

公开(公告)日：1944-01-18

申请号：US36148440

申请日：1940-10-17

申请人： ZAHODIAKIN VICTOR F

发明人： ZAHODIAKIN VICTOR F

IPC分类号： B23P15/06

CPC分类号： B23P15/065 ,  Y10T29/49284

公开(公告)号：US2076544A

公开(公告)日：1937-04-13

申请号：US5415335

申请日：1935-12-12

申请人： FLEXION INC

发明人： BOWERS THOMAS A

IPC分类号： B23P15/06 ,  F16J9/20

CPC分类号： B23P15/065 ,  F16J9/20 ,  Y10S277/924

公开(公告)号：US1869107A

公开(公告)日：1932-07-26

申请号：US50459830

申请日：1930-12-24

申请人： RAMSEY ACCESSORIES MFG CORP

发明人： MARIEN CHARLES A

IPC分类号： B23P15/06

CPC分类号： B23P15/065 ,  Y10T29/49274

公开(公告)号：US20160138714A1

公开(公告)日：2016-05-19

申请号：US15002753

申请日：2016-01-21

申请人： FEDERAL-MOGUL CORPORATION

发明人： GREGORY SALENBIEN ,  MIGUEL AZEVEDO ,  MATTHEW BELFORD

IPC分类号： F16J9/02 ,  F16J9/14

CPC分类号： F16J9/02 ,  B23P15/06 ,  B23P15/065 ,  F16J9/14 ,  Y10T29/49284

摘要： The invention provides a low tension piston ring having a finished outer diameter and negligible tangential tension. The method includes the steps of machining a stock bar to an initial outer diameter slightly greater than the finished outer diameter of the piston ring, finishing the initial outer diameter of the stock bar to a rounded profile having a nominal diameter equal to the finished outer diameter, and machining the stock bar to the preferred cross-section. Dykes-type piston rings can have keystone or semi-keystone shaped cross-sections. The method continues by detaching the piston ring from the stock bar using a parting tool in response to completing all tension inducing operations including the steps recited above. The method continues with the steps of lapping the piston ring to a final longitudinal thickness and cutting the piston ring longitudinally to form a final gap.

摘要翻译： 本发明提供了具有最终外径和可忽略的切向张力的低拉力活塞环。 该方法包括以下步骤：将坯料坯加工到初始外径略大于活塞环的最终外径，将坯条的初始外径完成为具有等于最终外径的公称直径的圆形轮廓 ，并将坯料加工到优选的横截面。 Dykes型活塞环可以具有梯形或半梯形截面。 响应于完成包括上述步骤的所有张力诱导操作，使用分型工具将活塞环从坯料棒分离出来。 该方法继续以将活塞环研磨至最终纵向厚度并纵向切割活塞环以形成最终间隙的步骤。

公开(公告)号：US20160067831A1

公开(公告)日：2016-03-10

申请号：US14942070

申请日：2015-11-16

申请人： HITACHI METALS, LTD.

发明人： Masanori OCHIAI ,  Makoto SASAKI ,  Tomoyuki SATOH

IPC分类号： B23K26/384 ,  B23K26/00

CPC分类号： B23K26/384 ,  B23K26/0006 ,  B23K26/14 ,  B23K26/16 ,  B23K26/354 ,  B23K26/3568 ,  B23K37/08 ,  B23K2101/10 ,  B23K2101/26 ,  B23K2101/28 ,  B23K2103/04 ,  B23K2103/05 ,  B23P15/065 ,  F02F5/00 ,  F16J9/062

摘要： Provided is a wire rod for an I-type oil ring, which includes right and left rail portions and a web portion connecting the rail portions, which has an oil hole or a molten through hole formed in the web portion, and which has a circumscribing circle diameter of 10 mm or less in its transverse contour. The molten through hole has such a remolten portion formed on its exit side as encloses the exit of the molten through hole. The remolten portion exceeds such a molten portion in the transverse section along the center of the molten through hole as is formed in the molten through hole, and is formed to have 200 μm or less from the outer circumference of the molten through hole and 100 μm or less in the depth direction of the molten through hole.

摘要翻译： 本发明提供一种用于I型油环的线材，其包括左右轨道部分和连接轨道部分的腹板部分，该部分具有形成在腹板部分中的油孔或熔融通孔，并且具有外接 圆直径在其横向轮廓为10mm或更小。 熔融通孔具有形成在其出口侧的包围熔融通孔的出口的这样的再熔化部分。 在熔融通孔中形成的沿着熔融通孔的中心的横截面中的再熔化部分超过这个熔融部分，并且从熔融通孔的外周形成为200μm以下， 或更小的熔融通孔的深度方向。