Concurrently Actuated Tools Patents (Class 72/399)
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Patent number: 11794291Abstract: The present disclosure discloses an assembling device for a rotating joint of rotary drying equipment, including a telescopic upright column; a mounting sleeve is fixed at a top of the telescopic upright column; an inner end of each bevel gear is connected with a first screw rod; the first screw rods are sleeved with fixed rods through threads; a microprocessor is fixed at a bottom of the mounting sleeve; a motor is fixed at a top of the mounting sleeve; an oil slot formed in an inner wall of a top of a detection tooth ring is internally connected with a detection seat through a first elastic telescopic rod; an adjustment rod is embedded into a right bottom of the detection seat in an elastic sliding manner through a spring.Type: GrantFiled: July 4, 2023Date of Patent: October 24, 2023Assignee: ZHONGJIAN WUZHOU ENGINEERING EQUIPMENT CO., LTDInventors: Yigui Wang, Tianliang Jin, Xiaorong Chen, ShuangShuang Tao, Jie Ren, Wei Wei, Ye Tian, Qianyin Wang, Yizhuan Qian, Rui Yang, Guoquan Chen, Huihui He, Zhengtao Zhang, Bo Yang, Yiqing Cheng, Songxiao Li, Hong Yang, Wenyan Xu, Xiangyu Liu, Sanhai Wu
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Patent number: 11097326Abstract: A method for producing open-seam pipes from sheet metal panels, in particular thick sheet metal panels. A sheet metal panel, having bending edges on the long sides thereof, is fed to a pipe forming press where the sheet metal panel is formed, lying on a lower tool having of two supporting elements which are horizontally spaced apart from each other, by an upper tool, which can be raised and lowered, by application of a bending force, progressively into an open-seam pipe having bending edges on opposite long sides with a gap for later longitudinal seam welding. In order that the sheet metal panel can be easily, progressively formed or shaped from the start, at least the bending sections immediately adjacent on the bending edges of the sheet metal panel are each formed from the outside to the inside, deviating from a numerically ascending bending step sequence in a pilgering process sequence.Type: GrantFiled: June 2, 2016Date of Patent: August 24, 2021Assignee: SMS group GmbHInventors: Mario Thome, Manfred Kolbe, Uwe Feldmann, Jochen Vochsen
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Patent number: 10946428Abstract: A spinning apparatus for decreasing by spinning a thickness of a portion of a tube material having a uniform thickness except at a first axial end portion is disclosed. The spinning apparatus includes a spindle-side chuck having a conical concavity and a mandrel. The mandrel has a mandrel-side chuck formed in a form of a conical convexity corresponding in configuration to the conical concavity of the spindle-side chuck and a cylindrical portion for supporting the tube material. The spinning apparatus further includes a spinning roll for decreasing the thickness of the tube material by pressing the spinning roll against the tube material when the tube material is supported by the cylindrical portion of the mandrel.Type: GrantFiled: January 11, 2017Date of Patent: March 16, 2021Assignee: TOPY KOGYO KABUSHIKI KAISHAInventors: Kenji Yoshii, Hiroyasu Kato, Tatsuro Kakami, Keitaro Enami, Yuji Iwakura
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Patent number: 10622872Abstract: A conductor shaping apparatus with first and second shaping dies that are movable toward and away from each other along a first direction, and that are moved toward each other to shape the at least one first bent portion and the at least one second bent portion, wherein one of the first and second shaping dies is configured to be moved away from the other along a second direction that is different from the first direction such that the conductor is not dragged when the first and second shaping dies are moved away from each other along the first direction after shaping of the first and second bent portions is completed.Type: GrantFiled: November 13, 2014Date of Patent: April 14, 2020Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shingo Hashimoto, Katsuya Ito, Takanori Ota, Daisuke Matsuo, Mizuki Igarashi, Norihiko Akao, Hirotaka Kawaura, Hisayuki Kobayashi, Hiroharu Sugiura
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Patent number: 9486851Abstract: The present invention provides a new bending apparatus and bending method of a tube material which makes it possible to achieve all of bending by a large bending radius not requiring large scale equipment or die, bending resistant to wrinkling and buckling at an inner side of the bending, and bending with a high productivity, that is, a ram bending apparatus using a punch 12 and a set of rolls 13, 13 for three-point bending of a tube material wherein the punch 12 has a groove 12a of a width of the width of a circular tube 11 or more and wherein the set of rolls 13, 13 are supported by a frame 14. The rolls 13, 13 can freely move on the frame 14 in directions away from each other in a state contacting the punch 12. The frame 14 has a hollow space 14a enabling free movement of the descending punch 12 and the circular tube 11 bent along with this during the bending of the circular tube 11.Type: GrantFiled: October 16, 2007Date of Patent: November 8, 2016Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Masaaki Mizumura, Yukihisa Kuriyama
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Patent number: 9296034Abstract: An apparatus for forming a wave form for a stent from a wire includes a pair of tension wires configured to rotate about an axis. The tension wires and axis are substantially orthogonal to the stent wire disposed in a gap between the tension wires. When the tension wires are rotated, a bend is formed in the portion of the stent wire disposed between the tension wires. The tension wires may be controlled such that the axis of rotation is aligned with the particular tension wire around which the stent wire is to be bent for each particular bend formed in the stent wire, thereby preventing the particular tension wire from translating during rotation such that the tension wire behaves like a rotary pipe bending die around which the stent wire is bent. A feed assembly feeds the stent wire into the forming area between the tension wires.Type: GrantFiled: July 26, 2011Date of Patent: March 29, 2016Assignee: Medtronic Vascular, Inc.Inventors: Michael Costa, Lance Ensign, Dustin Thompson, Paul Coates, Rui Lam, Larry Childs, Justin Eckhardt, Jerry Warmerdam, Charlie Dawson, Bob Boldig
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Patent number: 8707750Abstract: The invention relates to such a method and apparatus, as well as to the resulting deformed object out of a relatively hard material such as e.g. a metal or plastic wire in which an undeformed section (2) is clamped near its ends (3, 4) and is subsequently upset in a controlled way by an axial pressure force (22) to a predefined shortened and thickened longitudinal section (5), with which simultaneously over substantially the entire contour sheath (19) of this section (2) a counterforce (29) is exerted so that, with the progressive deformation during upsetting, the total volume of the longitudinal section that is deforming, remains substantially constant. In this thickened section (5) a flattened zone (8) can subsequently be applied in order to realise a final shape (10) such as an opening (26). The invention concerns in particular also the use of a deformation line (40) for manufacturing a heddle for weaving looms.Type: GrantFiled: March 11, 2008Date of Patent: April 29, 2014Assignee: Darvan Invest N.V.Inventor: Michel Deneire
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Patent number: 8176764Abstract: Disclosed is a termination tool and a method for securing a connector to a cable. The termination tool includes a holder receivable of the connector and a push block slideably located in the termination tool. The push block is capable of forming at least one axial crimp in the connector when the push block is articulated along a connector axis toward the holder. At least two crimp dies are rotably fixed to the termination tool and are capable of forming at least one transverse crimp in the connector when the at least two crimp dies are moved toward the connector axis. A lever is in operable communication with the push block and the at least two crimp dies. The lever is capable of urging the push block along the connector axis toward the holder and the at least two crimp dies toward the connector axis to form both the at least one axial crimp and the at least one transverse crimp.Type: GrantFiled: May 30, 2008Date of Patent: May 15, 2012Assignee: The Siemon CompanyInventors: Bryan Boemmels, John Gogol, David Medeiros, Charlie Maynard
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Patent number: 8020424Abstract: A ring compression device including a non-rotatable substrate having a central axis. A plurality of longitudinal pressing members are arranged radially around the central axis in a plane. One end of each of the pressing members points toward the central axis. The pressing members can move toward or away from the central axis in the plane. A rotating body rotates around the central axis and parallel to the plane of the pressing members. A driving mechanism engages with the rotating body and the pressing members such that when the rotating body rotates all the pressing members move toward the central axis and apply force on a periphery of the ring.Type: GrantFiled: June 18, 2004Date of Patent: September 20, 2011Assignee: NHK Spring Co., Ltd.Inventors: Hitoshi Suzuki, Takashi Ogino, Takashi Miura
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Publication number: 20110185783Abstract: A method for the non-cutting production of an outer thread on hollow metal work pieces for use as hollow screws, hollow shafts, threaded sleeves or fittings as stable connecting or fastening elements. The method is particularly suited for thin-walled work pieces and a device is provided for carrying out the method. Within a multistage press formed with a displaceable carriage and a stationary work piece carrier unit, a wire or hollow tube section forming the base material is reshaped in one or more reshaping stages I to V into a finished hollow blank. In the multistage press, the pre-fabricated hollow blank is inserted in a further stage VI into a multipart split tool with a cavity having an inside wall that is provided with a negative of the thread to be formed.Type: ApplicationFiled: October 2, 2009Publication date: August 4, 2011Applicant: SIEBER FORMING SOLUTIONS GMBHInventor: Hilmar Gensert
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Patent number: 7967685Abstract: An inner ring of a constant velocity universal joint includes ball tracks formed in an outer surface at predetermined intervals in a circumferential direction. Portions of side walls of the ball tracks that form edge lines with the outer surface are formed with a chamfer along the entire length of the axial direction.Type: GrantFiled: February 26, 2007Date of Patent: June 28, 2011Assignee: NTN CorporationInventor: Nobuo Suzuki
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Patent number: 7950261Abstract: A press forming apparatus comprises an upper die provided with an upper drawing die, a punch, an upper movable blank holder, and a trimming member and a lower die provided with a lower drawing die, a die, an outer periphery drawing die, and a lower movable blank holder. The upper die is lowered with respect to the lower dye, and the outer periphery portion of a blank is held by the trimming member and the upper blank holder. The central portion of the blank is drawn by the upper and lower drawing dies. The outer periphery portion of the blank is trimmed by the trimming member and the outer periphery drawing die, and drawing of the outer periphery portion of the blank is started by the upper drawing die and the outer periphery drawing die.Type: GrantFiled: September 6, 2004Date of Patent: May 31, 2011Assignee: Yutaka Giken Co., Ltd.Inventors: Jiro Sasaki, Masahiro Morishita
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Patent number: 7065856Abstract: A machine tool apparatus is provided employing a plurality of tool heads which may be sequentially or simultaneously automatically controlled to perform preprogrammed operations on either the same or different workpieces. In one form, a plurality of tool heads are supported on the same frame, guideway or track and may be separate prepositioned or driven under remote or automatic control to perform preprogrammed operations wither in sequence or simultaneously on the same workpiece or simultaneously on separate workpieces spaced apart on a common conveyor such as a flight conveyor while the conveyor is either in motion or stationary. In another form, the conveyor is automatically stopped with units of work thereon, each disposed so as to be predeterminately located with respect to a respective machine tool which has been prepositioned adjacent the work-holding conveyor.Type: GrantFiled: November 10, 1987Date of Patent: June 27, 2006Inventor: Jerome H. Lemelson
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Patent number: 6877350Abstract: A production method involving forming an inner joint part of a constant velocity universal ball joint in the form of a hub member (11) which comprises a central through-aperture (14) with inner toothing (16) for receiving a shaft journal (12), and ball tracks (15) for receiving torque transmitting balls on the outer circumference, wherein a blank with largely finish-formed ball tracks is produced by non-chip-forming deformation; wherein, at the blank, outer surfaces and a smooth through-aperture (14) are finish-turned; and wherein, during simultaneous working stages, the ball tracks (15) are calibrated by non-chip-forming deformation and the inner toothing (16) in the through-aperture (14) is produced by pressing in a non-chip-forming way.Type: GrantFiled: November 26, 2002Date of Patent: April 12, 2005Assignee: GKN Automotive GmbHInventors: Peter Fuhrmann, Herbert Frielingsdorf, Volker Hainz, Jean Spolmayeur
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Publication number: 20040000182Abstract: A forming or re-rounding machine has a pair of concentric inner and outer rings supported with a gap between the rings. The support of the rings provides for both axial and rotational movement. A can or shell having a section to be formed, or a damaged portion for re-rounding, is inserted into the gap. Hydraulic rams are mounted in a radial pattern into the outer edge of the inner ring and the inner edge of the outer ring, facing the gap. The inner and outer rings can be oriented so that the hydraulic rams in each ring can be directly opposed to the hydraulic rams in the opposing ring, or alternatively, can be offset from adjacent hydraulic rams in the opposing ring. In a vertically oriented embodiment, the forming or re-rounding machine has a pair of concentric rings suspended from a crane or I-beam support with a gap between the rings.Type: ApplicationFiled: June 26, 2002Publication date: January 1, 2004Inventor: Luke George Mark Gray
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Patent number: 6167740Abstract: The present invention relates generally to bending a workpiece to form a desired configuration and, in particular, to a method and apparatus for forming bends “out of sequence,” i.e., in a time sequence different from the spatial sequence of the bends on the workpiece. The apparatus of the present invention include a bending system for bending a workpiece and a positioning system for positioning the workpiece relative to a bending region so that bends can be formed in various locations across the bending region. By virtue of the disclosed structures, a series of bends can be formed on a workpiece at various locations within the bending region. Bends can be formed out sequence and without advancing the workpiece relative to the bending region.Type: GrantFiled: February 9, 1998Date of Patent: January 2, 2001Assignee: Laser Products, Inc.Inventors: B. J. Lipari, Roman L. Tankelevich, Vladimir I. Abliazov, Valery A. Li, Vyacheslav S. Korolev, Victor N. Tisenko
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Patent number: 6119501Abstract: A method of deforming an initial pipe having a circular cross-section into an U-shaped section and a device for carrying out the method wherein the inner surface of one half of the initial pipe rests in a positively engaging manner against the inner surface of the opposite half of the pipe, with the exception of lateral loop-shaped ear portions. The initial pipe is secured in its position by mandrels inserted in the ends of the pipe. Initially, the initial pipe is with its lower half at least over areas thereof supported by an abutment and the top half of the initial pipe is pressed in by a ledge-like top die with a convexly curved front portion located opposite the abutment until the top half of the initial pipe is pressed in until it makes contact with the diametrically oppositely located bottom half of the pipes so as to produce a U-shaped top half.Type: GrantFiled: May 7, 1999Date of Patent: September 19, 2000Assignee: Benteler AGInventors: Rainer Hansen, Georg Wecker
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Patent number: 6044684Abstract: A plurality of grooves, which are defined in a reinforcing ring, comprise respective end walls which are formed as inclined surfaces. The grooves further comprise walls on which engaging projections are disposed in parallel to the inclined surfaces respectively. Segmented dies are installed in the grooves. Grooves, which are defined on the segmented dies, slidably engage with the engaging projections respectively. Accordingly, the segmented dies are displaced along the inclined surfaces while being guided by the engaging projections. Thus, it is possible to stably hold the segmented dies on the reinforcing ring. Further, it is possible to simplify the structure of the forging apparatus, and it is possible to decrease the number of parts.Type: GrantFiled: December 29, 1998Date of Patent: April 4, 2000Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Tsukashi Ohama, Tomonori Nakamura, Junya Saeki, deceased, Mikio Kobayashi
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Patent number: 6035521Abstract: A crimping apparatus for crimping a workpiece such as a terminal or eyelet around a core such as a wire or a fiber optic cable. The apparatus includes upper and lower identical plates supported for opposing reciprocal motion on respective upper and lower portions of a press. Each plate includes two crimp segments. Each crimp segment has an impingement surface. All four of the crimp segments are supported for mutually convergent motion relative to one another. The vertical motion of the two plates closing together drives both the vertical and the lateral components of the convergent crimp segment motion. The impingement surfaces of the respective crimp segments form a generally annular composite crimping surface for cooperatively crimping a work piece into an arcuate configuration around a core.Type: GrantFiled: November 18, 1997Date of Patent: March 14, 2000Assignee: General Motors CorporationInventor: Richard Arthur Schley
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Patent number: 5644944Abstract: A pressing instrument for pressing bushings, cable lugs, or similar items upon a work piece reveals two tools that can be brought together with the help of a drive mechanism, forming a pressing chamber, with each tool revealing two opposite pressing cheeks, whose pressing surfaces are shaped so that a polygonal shape will result during pressing. In order that work pieces of differing diameter can be processed with the pressing tool, that production costs can be kept comparatively low, and that good operational reliability can be achieved, opposite pressing cheeks (10, 11; 36, 37, 54, 55) of at least one tool (4, 34, 35) can be swung on them so that the other tool (5, 34, 35), as the tools are brought together (4, 5, 34, 35), will run against the swingable pressing cheeks (10, 11, 36, 37, 54, 55) and will swing them out of a starting position into a pressing position forming the pressing chamber.Type: GrantFiled: December 11, 1995Date of Patent: July 8, 1997Inventor: Helmut Dischler
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Patent number: 5462543Abstract: The present invention relates to an apparatus for attaching surgical sutures to eyeless surgical needles. The apparatus includes a frame for positioning and maintaining the needle while the suture is being attached and a rotating die system which selectively impacts the needle to secure the suture thereto.Type: GrantFiled: June 9, 1994Date of Patent: October 31, 1995Assignee: United States Surgical CorporationInventor: Francis D. Colligan
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Patent number: 5410903Abstract: A crimp head for crimping a clamp has a pair of jaws for plastically deforming the clamp in a first direction and a plunger for plastically deforming the clamp in a second direction. The plastic deformation in the first direction reduces the circumference of the clamp while the plastic deformation in the second direction reduces the radial projection of the clamp.Type: GrantFiled: January 10, 1994Date of Patent: May 2, 1995Assignee: GKN Automotive, Inc.Inventor: Dean J. Schneider
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Patent number: 5411521Abstract: A single-strike die mechanism includes a rotatable cam drive ring driven to impart through a cam mechanism linear motion to at least three crimping dies. The crimping dies are symmetrically arranged within a die guide and simultaneously actuated to move in a radial direction toward a centerline of a surgical needle. A surgical suture is axially inserted within a hollow barrel end of the needle, and the barrel end is crimped by the crimping dies to secure the suture therein. A method for operating the single-strike die mechanizes the procedure for securing the suture within the barrel end of the needle.Type: GrantFiled: May 4, 1993Date of Patent: May 2, 1995Assignee: American Cyanamid CompanyInventors: Charles L. Putnam, Mark L. Stein, Patrick R. Holmes
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Patent number: 5350373Abstract: The present invention relates to an apparatus for attaching surgical sutures to eyeless surgical needles. The apparatus includes a frame for positioning and maintaining the needle while the suture is being attached and a rotating die system which selectively impacts the needle to secure the suture thereto.Type: GrantFiled: October 9, 1992Date of Patent: September 27, 1994Assignee: United States Surgical CorporationInventor: Francis D. Colligan
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Patent number: 5150599Abstract: A pressing machine for reducing the width of a hot metal slab has a pair of platens which are caused to engage with opposite edges of the slab to apply forces which reduce the width of the slab. This pressing action may cause buckling of the slab and to prevent, or at least reduce, the buckling, one or both of the opposite faces of the slab has a restraint provided adjacent thereto. The restraint may be in two parts connected to respective platens and arranged to allow for movement of one platen with respect to the other platen.Type: GrantFiled: April 15, 1991Date of Patent: September 29, 1992Assignee: Davy Mckee (Sheffield) LimitedInventors: Geoffrey Wilson, Timothy J. Bradshaw, Kenneth T. Lawson
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Patent number: 4942756Abstract: The invention solves the problem of working the details of complicated forms and of direct extrusion of material. A press is provided with movable, profiled jaws, a rigid system of guides for the jaws, and, connectors embedded in the jaws and coupled to a driver. The driver is aligned on the connectors which drive the jaws. The press can also include a mould being adjoined to the jaws.Type: GrantFiled: February 12, 1988Date of Patent: July 24, 1990Inventor: Jan Charzewski
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Patent number: 4848131Abstract: A crimping apparatus has, at each crimp location, a pair of opposing crimping jaws, which, when driven closed, crimp a pin located between the jaws. The jaws are driven open and closed by a sliding drive member having two grooves therein, one on each side of the centerline joining the center of the closed jaws and the center of the drive member. The grooves are at an angle with respect to the line joining the center of the closed jaws and the center of the drive member. The jaws are each provided with a projection which is engaged in the associated groove in the drive member, whereby when the drive member is reciprocated toward and away from the jaws, the camming action of the grooves and projections on the jaws causes the jaws to close and open, respectively. The camming angles are equal, thus causing the jaws to move to their closed and open positions in equal increments of motion.Type: GrantFiled: October 27, 1987Date of Patent: July 18, 1989Assignee: International Business Machines Corp.Inventors: Melita A. Haller, David J. Klossner
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Patent number: 4813262Abstract: A method and apparatus are disclosed for reforming the initial shape of an approximately loop-shaped starting piece into a final prescribed loop-shape. A plurality of elongated materials such as wire rods are arranged in parallel at prescribed intervals to define a prescribed looped or cylindrical space having a first diameter. A plurality of pressing means such as pressing plates actuated by cylinders and pistons press free ends of the elongated materials to reduce the diameter of the looped space prescribed by the elongated materials to define a reduced looped space having a second diameter smaller than the first diameter. The free ends of the elongated materials are then inserted within the starting piece. The pressing means are retracted, whereby the free ends of the elongated materials contact the inner surface of the starting piece.Type: GrantFiled: October 26, 1987Date of Patent: March 21, 1989Assignee: Kabushiki Kaisha Mihama SeisakushoInventor: Taira Hama
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Patent number: 4745793Abstract: A hydraulically driven forging machine with four radially arranged working cylinders has piston pumps disposed as individual pumps about the forging machine with all pump-end pipe connections located on the horizontal center plane of the forging machine, so that all pipe conduits leading to the working cylinders are equal in length and as short as possible in order to equalize and minimize stroke volume losses in the four working cylinders which result from the compressibility of the fluid pressure medium.Type: GrantFiled: February 25, 1987Date of Patent: May 24, 1988Assignee: Pahnke Engineering GmbH & Co. KGInventor: Hans J. Pahnke
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Patent number: 4716756Abstract: A press-formed clutch drum of an automatic transmission of which inner and outer cylindrical surfaces are respectively formed with a first series of splines and a second series of inverted splines. The first and second series of splines are alternatively arranged in a ring so that each adjacent two splines are spaced by an interposal of a connecting portion defined therebetween. Each of the first and second series of splines comprises a pair of raised portions projected radially from the major cylindrical body of the drum, and a depressed portion interposed between the paired raised portions to form a groove in the major cylindrical body. The raised portions of the first and second series of splines are respectively projected inwardly and outwardly with respect to the center axis of the cylindrical body.Type: GrantFiled: November 25, 1986Date of Patent: January 5, 1988Assignees: Nissan Motor Co., Ltd., Yamakawa Industrial Co., Ltd.Inventors: Kazuyoshi Fujioka, Toshiro Tani
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Patent number: 4708009Abstract: The apparatus of this invention, for bending wire and metal strip, comprises a stationary working plate, a drive shaft rotatable in bearings spaced along its length and fixed relative to the working plate, and a tool guide unit confined to adjustment relative to the working plate in directions parallel to the drive shaft and carrying a tool slide that it guides for reciprocation transverse to the drive shaft. A cam on the drive shaft by which the tool slide is reciprocated is fixed to an axial sleeve portion concentric to the drive shaft and axially slidable along it, which sleeve portion is rotatably received in a cam bearing that is secured in the tool guide unit. The cam bearing thus radially supports the cam and the drive shaft so that the drive shaft can be relatively slender and light.Type: GrantFiled: May 29, 1986Date of Patent: November 24, 1987Assignee: Alpha Maschinenbau AG.Inventor: Friedhelm Post
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Patent number: 4667500Abstract: A flaring device for pipe ends including an insert member centrally insertable into a pipe end, the insert member having mounted thereon synchronously operable pressure plungers arranged at the outer circumference thereof and bringable into engagement with the inner circumference of the pipe end to be flared, includes a calibrating ring for determining a maximum outer circumference defined by the pressure plungers mounted on the insert member, the calibrating ring being in operative engagement with the insert member.Type: GrantFiled: February 27, 1985Date of Patent: May 26, 1987Assignee: Kraftwerk Union AktiengesellschaftInventors: Helmut Mechtold, Robert Weber
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Patent number: 4602495Abstract: A device for removing irregularities in or enlarging a buried duct comprises a cylindrical housing (10) corresponding approximately in diameter to the required diameter of the duct, a plurality of tapered leaf members (14) pivotally attached at their rear ends to the front of the housing, and a conical wedge (18) driven by an axial hydraulic ram (12) mounted inside the housing (10). In operation, the apparatus is drawn through the duct with the leaf members (14) in a retracted position in which they form a tapered nose portion, until an irregularity in the duct causes resistance to forward movement. The ram (12) is operated to force the leaf members outwardly against the wall of the duct to remove the irregularity. The leaf members (14) are then retracted as the apparatus is drawn forward to the next obstruction. The apparatus is particularly intended for preparing damaged sewers prior to fitting an inner, lining pipe.Type: GrantFiled: November 19, 1984Date of Patent: July 29, 1986Inventor: Ian R. Yarnell
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Patent number: 4583390Abstract: Apparatus for squeezing off pipe and then for rerounding the squeezed off pipe includes a frame having a fixed portion and a movable portion which utilize a pair of pins for squeezing off the pipe. A pair of rerounding fixtures are placed on the pins for rerounding the squeezed-off pipe. Both plastic and metal pipe may be squeezed off and rerounded with the apparatus. Hydraulic pressure is used for both the squeezing off and the rerounding forces.Type: GrantFiled: March 18, 1985Date of Patent: April 22, 1986Inventor: Robert N. Behrens
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Patent number: 4583389Abstract: Corrugations are removed from the end of a helically corrugated pipe by compressing the end of the pipe between a plurality of radially movable die segments. By choosing appropriately-shaped die segments and die-actuating cams, the end of the pipe can be expanded, or shrunk to a diameter less than that of an imaginary cylinder defined by a surface of revolution contacting the innermost surfaces of the pipe. Products manufactured in accordance with the method of the invention have an end portion with an accurately controlled diameter; a minimum of pipe length is taken up by the modification.Type: GrantFiled: May 9, 1980Date of Patent: April 22, 1986Assignee: LTV SteelInventor: Albert M. Thomas
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Patent number: 4576031Abstract: A quick disconnect arbor and die head for a tube stock sizing apparatus. A plurality of arbors and die heads are slidably mounted to a tube stock sizing apparatus and are respectively urged into engagement with the inwardly facing and outwardly facing surfaces of a section of tube stock. A hydraulic piston arrangement is operable to move the arbor members and die heads to and from the tube stock. An annular member surrounds the arbor members and die heads. Spring biased pins mounted in the annular member releasably engage and secure the arbor members to the annular member. An external tool is engageable with the top end of each pin to pull the pins upwardly disengaging the arbor members. A rod extends through the annular member and contacts the pin and secures the pin in the upward disengaged position. Each die head includes a leg with a recess extending freely into a hole.Type: GrantFiled: December 31, 1984Date of Patent: March 18, 1986Assignee: Resener Machine & Tool Co., Inc.Inventor: Kenneth L. Resener
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Patent number: 4515006Abstract: A hose coupling crimper and method of crimping in which a pair of die plate halves are hingedly mounted on a base plate for swinging movement toward and away from a closed position with the crimping segments surrounding an opening in the base plate in which a hose and sleeve coupling is positioned. The die plate halves have radial slots for radially movable crimping segments and also restraining ring halves contained in the die plate halves for retaining the segments in the slots and determining the axial movement of the pressure ring and the crimp diameter by the thickness of the restraining ring halves. Hose and sleeve couplings of a different diameter may be crimped by using restraining ring halves of different thicknesses and/or replacing the crimping segments with segments having different diameters.Type: GrantFiled: January 27, 1983Date of Patent: May 7, 1985Assignee: The Goodyear Tire & Rubber CompanyInventor: John H. Stanley
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Patent number: 4488423Abstract: A machine for straightening an elongated workpiece has a plurality of coacting tools which include first and second sets of tools arranged in alternate series along a fixed longitudinal axis to engage successive longitudinally spaced portions of a workpiece positioned therebetween with its longitudinal center line generally aligned with a longitudinal axis. A cam operated lever system simultaneously reciprocates the tools of the first and second sets in opposite transverse directions relative to the longitudinal axis and each other to alternately displace portions of the center line of the workpiece to one and the opposite side of the longitudinal axis. A mechanism is provided to vary the magnitude of reciprocating lever movement to vary center line displacement between a position of maximum displacement and a position wherein workpiece portions are substantially longitudinally aligned.Type: GrantFiled: May 31, 1983Date of Patent: December 18, 1984Assignee: Bertolette Machines, Inc.Inventors: Burtram I. Newell, Reed Bertolette, Bruce C. Fogarty
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Patent number: 4445357Abstract: A pipe press having a main press section and at least one end press section aligned with the main section for movement with and independently of the main section. The press is designed to accommodate elongate heavy gauge steel pipe blanks having lengths varying between the length of the main section and the combined composite length of the main and end sections. Because of the independence of the end section relative to the main section, the main section is loaded uniformly, even though a blank may be of a length less than the combined composite length of the press. The end press section is free to move axially relative to the main press section to accommodate elongation of a blank during operation of the press. Actuating cylinders for the press are arranged in paired sets extending transversely of the press dies to provide increased load capacity, without resorting to the use of extraordinarily large cylinders.Type: GrantFiled: November 3, 1980Date of Patent: May 1, 1984Assignee: Kaiser Steel CorporationInventors: Joseph E. Powers, Ranaldo H. Grimoldi, Calvin C. Williamson, Alfred A. Bottini
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Patent number: 4416142Abstract: An apparatus and process is disclosed for forming a cap-like member from a blank of material. The apparatus comprises a die for shaping the cap-like member. A device is provided to co-act with the die for simultaneously forming both the member and internal threads within the member.Type: GrantFiled: August 31, 1981Date of Patent: November 22, 1983Assignee: Olin CorporationInventor: Thomas Thorne-Thomsen
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Patent number: 4369558Abstract: Herein disclosed are outer race working method and apparatus of the type, in which such a roughly shaped outer race workpiece of a Birfield type constant-velocity ball joint as is formed with a groove made axially straight at its portion above the joint center and having an axial curvature below the joint center, in which a hexagonal-pillar guide punch and a split mandrel composed of six segments are inserted into the aforementioned groove of the roughly shaped workpiece thereby to iron the inner surface of the aforementioned groove and to form both a center hole corresponding to the center of a ball rolling groove and a face for providing a reference for the axial position of the groove center, and in which the roughly shaped workpiece is then ironed by means of an ironing die, whereby the ball rolling groove is plastically worked all over its surface from its lower portion to its upper portion.Type: GrantFiled: December 1, 1980Date of Patent: January 25, 1983Assignee: Toyota Jidosha Kogyo Kabushiki KaishaInventors: Yasuo Iwata, Hisao Shirai
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Patent number: 4367643Abstract: A method and apparatus are provided for cold forming a metal article having varying lateral cross-sections. A hydraulically operated, longitudinally movable force applying member is adapted to apply force to a slug during formation. A die cavity is defined by a frame defining a central bore and a plurality of channels extending radially from the central bore. The central bore is coaxial with the force applying member. A plurality of die nibs, each having a first end and a second end with the first end being mounted in the central bore, are mounted in the channels. At least one of the nibs being slidably mounted within one of the channels. The second end of the slidable member is inclined and engaged by a cam bar secured to the force applying member. The sliding nib is urged toward the central bore to enclose the die cavity as the force applying member is moved to a force applying position.Type: GrantFiled: December 16, 1980Date of Patent: January 11, 1983Assignee: The Gleason WorksInventor: Kenneth P. Hackett
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Patent number: 4331017Abstract: A method for the high reduction of metal during a forming operation includes placing the metal blank being formed under compression by applying pressure to its peripheral edge surfaces and simultaneously engaging it with a drawing horn. The apparatus employed in the method includes a draw pad and a draw horn carried by the movable member or platen of a press and a die carried by the base of the press with the platen being movable toward and away from the base. The base also carries a matrix which carries a plurality of iris plates which are arranged in a circular fashion around a central axis of the die and which are adapted to move toward and away from the vertical center axis of the die so as to be moved into engagement with the peripheral edge surfaces of the blank as the press is brought to a closed position and the draw horn engages the blank.Type: GrantFiled: December 11, 1980Date of Patent: May 25, 1982Assignee: Joseph Bulso, Jr.Inventors: Joseph D. Bulso, Jr., William R. Lewers
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Patent number: 4309891Abstract: A double acting, self-contained small diameter (31/2 inch) combination hydraulic-mechanical swage is disclosed using an arcuate guide having sliding contact with pivotal arms over a majority of the length thereof, the arms being pivotable with identation tips thereon for deforming and connecting together two small (less than 7 inches or 18 centimeters diameter) telescopic tubes for casing repair.Type: GrantFiled: March 10, 1980Date of Patent: January 12, 1982Assignee: Texaco Inc.Inventor: Ivo C. Pogonowski
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Patent number: 4304116Abstract: An improved multi-part die assembly for forming a closed clip comprises a mounting structure, punch means, first and second gate-die members and simultaneous driving means. The punch means reciprocates toward and away from a clip-forming station on the mounting structure, and the gate-die members pivot toward and away from the clip-forming station. A crown die is defined on the punch means for cooperation with the crown of an open clip. First and second leg dies on the first and second gate-die members cooperate with the legs of the open clip. The simultaneous driving means drives the punch means and the first and second gate-die members simultaneously whereby the closed clip is formed by cooperation with the crown die and the leg dies.Type: GrantFiled: December 7, 1979Date of Patent: December 8, 1981Assignee: Rheem Manufacturing CompanyInventor: Clyde R. Velarde
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Patent number: 4253324Abstract: A method and apparatus is provided for reforming crushed or otherwise damaged drill pipe and the like. A plurality of expandable shoe elements are inserted into the large diameter portion of the drill pipe adjacent the crushed section. A ram or plunger is forced into and between the shoes to expand the shoes within the drill pipe for removing crushed portions thereof. More particularly, the length of travel of the plunger is coordinated to expand the shoes the proper extent to restore the drill pipe to its original configuration.Type: GrantFiled: March 22, 1979Date of Patent: March 3, 1981Inventor: Jerry L. Nugent
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Patent number: 4220034Abstract: Three methods for forming three different, double acting, self-contained swages for joining two small diameter tubes are disclosed. Likewise three double acting small diameter (31/2 inch) combination hydraulic-mechanical swages assembled by the methods are disclosed using hinge arms with indentation tips thereon for deforming and connecting together two small (less than 7 inches or 17.78 centimeters diameter) telescopic tubes for casing repair or a flow line connection, for example. Two of the modifications have links connected to the swaging arms so that with increased pivotal movement of the arm and link, a gain results in the mechanical advantage and indentation force.Type: GrantFiled: February 17, 1978Date of Patent: September 2, 1980Assignee: Texaco Inc.Inventor: Ivo C. Pogonowski
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Patent number: 4018074Abstract: A crimping tool for splicing clips is provided with rows of opposed hammers attached to pivoted handles aligned adjacent an anvil assembly on which a splicing clip and two belts of electronic components to be spliced are positioned. Pivoting the handles together causes the hammers and anvil assembly to translate, bending and crimping the clip around the belts.Type: GrantFiled: March 8, 1976Date of Patent: April 19, 1977Assignee: Universal Instruments CorporationInventor: Michael D. Snyder
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Patent number: 4005597Abstract: A press to form files that are made of sheet material, the press being capable of using tools that may be substituted one for another according to the desired shape of the file being made.Type: GrantFiled: November 18, 1975Date of Patent: February 1, 1977Inventor: James A. Coon
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Patent number: 3964289Abstract: A rectangular tubing bender having a frame provided with an arrangement for locking in place a tube to be bent. Structure on the frame forms directly opposed depressions on opposite sides of the rectangular tube prior to bending of the tube adjacent the depressions for permitting a completely closed and square bend to be formed. The locking arrangement may be mounted on a carriage movable on the frame for bending the tube by moving same against a stationary forming point member subsequent to the formation of the depressions in the tube. Cam operated rockers are advantageously employed to form the depressions.Type: GrantFiled: December 3, 1974Date of Patent: June 22, 1976Inventor: John C. Williamson, Jr.