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公开(公告)号：US4318320A
公开(公告)日：1982-03-09
申请号：US205235
申请日：1980-11-10
申请人： Paul K. Davis
发明人： Paul K. Davis
CPC分类号： B23D35/00 , B23D19/06 , B23D33/02 , Y10T409/304144 , Y10T83/0505 , Y10T83/0605 , Y10T83/536 , Y10T83/6576 , Y10T83/6595 , Y10T83/74 , Y10T83/745
摘要： Method for removing camber from strip preparatory to forming helical pipe is taught utilizing the steps of feeding the strip longitudinally along a directional line of feed, sensing lateral deviations of the strip relative to the directional line of feed, laterally moving and realigning the strip in response to lateral deviations, then severing both side edges of the strip on lines parallel with the directional line of feed.
摘要翻译： 通过以下步骤来教导从准备形成螺旋管的条形件中去除弯度的方法：沿着进给方向纵向供给条带，检测条相对于进给方向线的横向偏离，响应于横向移动和重新对准条带 到横向偏差，然后在平行于进给方向线的线上切断条的两个侧边缘。
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公开(公告)号：US3572394A
公开(公告)日：1971-03-23
申请号：US3572394D
申请日：1968-11-19
发明人： DAVIS PAUL K
CPC分类号： F16L21/06 , F16L9/06 , F16L9/17 , F16L25/0036
摘要： A SEAM FORMED OF INTERLOCKED OPPOSITE MARGINAL SIDE EDGE PORTIONS OF A LONGITUDINAL CORRUGATED, RELATIVELY THICK, STRIP HELICALLY CURLED INTO CORRUGATED PIPE, WHICH SEAM IS WITHIN THE OUTSIDE AND INSIDE DIAMETERS OF THE PIPE AND THE BOUNDS OF A STANDARD CORRUGATED COUPLING.
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3.发明授权
公开(公告)号：US4791800A
公开(公告)日：1988-12-20
申请号：US113248
申请日：1987-10-26
申请人： Robert D. Alexander
发明人： Robert D. Alexander
CPC分类号： B21C37/126 , B21C37/124 , B21D13/04
摘要： A roll forming process is described wherein longitudinal areas of curvature are formed in strip material between longitudinal areas of narrower width, the areas of curvature being bowed downwardly from the center toward the longitudinal flat areas. As the strip material is fed progressively through roll forming stations, the longitudinal areas of curvature are formed into areas of lesser curvature and finally flattened to provide strip material having relative flat areas separated by substantially rectangular ribs. The process is one in which areas of curvature are provided to initially gather strip material for use in forming the sides of one or more ribs with little or no thinning of the strip material.
摘要翻译： 描述了一种辊成型方法，其中纵向区域的曲率形成在较窄宽度的纵向区域之间的条带材料中，曲率区域从中心朝向纵向平坦区域向下弯曲。 随着条带材料通过轧辊成形站逐渐进给，曲率的纵向区域形成为较小曲率的区域，并最终平坦化，以提供具有由基本上矩形的肋分开的相对平坦区域的条带材料。 该过程是其中提供曲率区域以最初收集条带材料，以用于形成具有很少或不变薄条带材料的一个或多个肋条的侧面。
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公开(公告)号：US4129152A
公开(公告)日：1978-12-12
申请号：US516225
申请日：1974-10-21
申请人： Paul K. Davis
发明人： Paul K. Davis
CPC分类号： B21C37/123 , B21C37/157 , F16L9/06 , F16L9/165 , Y10T29/49828
摘要： Double wall helical pipe formed from a single metal strip, pipe forming method and configuration of strip for forming such pipe. A metal strip is formed with pipe seam elements and curled into overlapped helical convolutions, and the seam elements are secured together to provide a helical pipe seam. One or both pipe walls may be corrugated.
摘要翻译： 双壁螺旋管由单个金属条形成，管形成方法和用于形成这种管的条的构造。 金属带形成有管接缝元件并且卷曲成重叠的螺旋卷积，并且接缝元件固定在一起以提供螺旋管接缝。 一个或两个管壁可以是波纹状的。
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公开(公告)号：US3747446A
公开(公告)日：1973-07-24
申请号：US3747446D
申请日：1971-05-17
发明人： DAVIS P
CPC分类号： B23D45/124 , B21C37/127 , B23D45/18 , Y10T82/16131
摘要： Pipe tracking apparatus and method and cutoff apparatus and method incorporating same, for pipe traveling longitudinally in a direction and rotating about its longitudinal axis. A tracking carriage mounts pipe engaging means having pipe engaging portions each adapted for engaging the pipe for a sustained interval. The carriage is moved a predetermined distance with the pipe at the rate of travel thereof in such direction, as the pipe engaging portions successively effect a pipe engaging relationship with the pipe. The carriage supports a pipe cutoff tool.
摘要翻译： 管道跟踪装置及其结合方法以及截面装置及方法，用于管道沿纵向纵向并围绕其纵向轴线旋转。 跟踪托架安装具有管接合部分的管接合装置，每个管接合部分适于以持续的间隔与管接合。 随着管接合部分连续地与管道形成管接合关系，托架以这种方向的行进速度与管道移动预定距离。 滑架支撑管道切断工具。
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公开(公告)号：US3664170A
公开(公告)日：1972-05-23
申请号：US3664170D
申请日：1970-03-16
发明人： DAVIS PAUL K
CPC分类号： B21D13/02
摘要： Method and apparatus for forming ridged sheet material into arcuate shape. Sheet material having an elongated major ridge or corrugation extending along a line is curved along said line by progressive formation therealong of a series of corrugations or pleats directed substantially normal to said line.
摘要翻译： 将脊状片材形成为弓形的方法和装置。 具有沿着线延伸的细长的主脊或波纹的片材沿着所述线弯曲，通过一系列基本垂直于所述线指向的一系列波纹或褶皱逐渐形成。
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公开(公告)号：US3198043A
公开(公告)日：1965-08-03
申请号：US24919663
申请日：1963-01-03
发明人： DAVIS PAUL K
IPC分类号： B23D45/24
CPC分类号： B23D45/24 , Y10T82/16131
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公开(公告)号：US5131693A
公开(公告)日：1992-07-21
申请号：US684216
申请日：1991-04-12
申请人： Robert F. Miller
发明人： Robert F. Miller
IPC分类号： F16L23/12
CPC分类号： F16L23/12 , F16L25/0036 , Y10S285/903
摘要： A coupling and methods for interconnecting the ends of spirally ribbed pipe are disclosed. Grooves are formed transversely across two or more ribs of the pipe and a coupling ring is secured to the end of the pipe by lugs or cleats which rotatably engage with the grooves. Contact surfaces of the lugs are angled relative to the grooves to center the coupling ring axially of the pipe. The angular relationship of the grooves and contact surfaces of the lugs draw the ring into abutting contact with the end of the pipe as they rotatably engage the grooves.
摘要翻译： 公开了一种用于互连螺旋肋管的端部的联接器和方法。 槽横向形成在管的两个或多个肋上，并且通过与槽可旋转地接合的凸耳或夹板将联接环固定到管的端部。 凸耳的接触表面相对于凹槽成角度，以使联接环沿管道轴向居中。 凸耳的凹槽和接触表面的角度关系在环可旋转地接合凹槽时将环拉成与管的端部邻接接触。
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公开(公告)号：US4756217A
公开(公告)日：1988-07-12
申请号：US013726
申请日：1987-02-09
申请人： Dennis G. Holmes
发明人： Dennis G. Holmes
CPC分类号： B23K7/006 , Y10T82/16 , Y10T82/16131
摘要： A travelling pipe cut-off is described having a pair of knife-edged rollers mounted on a carriage that also supports a cut-off torch. At least one roller is engaged with the smooth surface of the pipe at all times during cut-off, each such roller advancing the carriage while the pipe is being advanced. The two rollers are spaced apart such that, as the bulge of a pipe seam approaches one of the rollers, that roller is moved out of engagement with the pipe, but the other roller remains in engagement. The carriage and cut-off mechanism is, therefore, advanced only by that roller which is engaged with a smooth surface of the pipe.
摘要翻译： 描述了一种行进管道切断器，其具有安装在还支撑切断割炬的托架上的一对刀刃滚子。 在切断期间，至少有一个辊子与管道的光滑表面接合，每个这样的辊子在管道前进时使托架前进。 两个辊间隔开，使得当管接缝的凸起接近其中一个辊时，该辊移动离开与管的接合，而另一个辊保持接合。 因此，滑架和切断机构仅由与管道的光滑表面接合的辊推进。
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公开(公告)号：US4255999A
公开(公告)日：1981-03-17
申请号：US961758
申请日：1978-11-17
申请人： Paul K. Davis
发明人： Paul K. Davis
CPC分类号： B23D33/02 , B21D43/023 , B23D19/06 , Y10T409/304144 , Y10T83/536 , Y10T83/6576 , Y10T83/6595 , Y10T83/74 , Y10T83/745
摘要： Method and apparatus for removing camber from strip preparatory to forming helical pipe is taught utilizing the steps of feeding the strip longitudinally along a directional line of feed, sensing lateral deviations of the strip relative to the directional line of feed, laterally moving and realigning the strip in response to lateral deviations, then severing both side edges of the strip on lines parallel with the directional line of feed.Apparatus for practicing the method comprises a pair of laterally spaced guide rolls which are mounted for lateral adjustment toward and away from the other, means for moving the guide rolls simultaneously as a unit as well as independently of each other, and control means, including servomechanisms for positioning each roll in response to variations in both width of the strip and camber.
摘要翻译： 使用以下步骤来教导用于从准备形成螺旋管的条形件中去除弯度的方法和装置：沿着进给方向线纵向供给条带，感测条相对于进给方向线的横向偏离，横向移动和重新对准条带 响应于横向偏差，然后在平行于进给方向线的线上切断条带的两个侧边缘。 用于实施该方法的装置包括一对侧向间隔开的引导辊，其安装成朝向和远离另一个侧向调整，用于作为一个单元并且彼此独立地同时移动导辊的装置和包括伺服机构的控制装置 用于响应于带和外倾角的两个宽度的变化来定位每个辊。
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