Abstract: Disclosed embodiments include apparatuses, systems, and methods for guiding a needle to facilitate suturing, such as in surgical anastomosis. In an illustrative embodiment, an apparatus includes a frame configured to counter-rotatably support two generally parallel rollers. A first roller supported by the frame has a flat surface configured to rollably engage a first face of a shaft of a helically-shaped needle. A second roller supported by the frame has a grooved surface defining a helical groove is configured to at least partially receive a second face of the shaft. The second roller further defines a correcting recess bounded by lateral surfaces at a forward end of the groove that tapers to a width of the groove at the forward end. When the leading end is received into the correcting recess, at least one of the lateral surfaces engages and guides the leading end into the forward end of the groove.

Abstract: The present disclosure discloses a wheel rim finishing device. A motor is fixedly mounted on a stand through a shaft sleeve I. A supporting body is arranged on the stand. The side, close to a locating disk, of the supporting body is provided with an outer roller. An inner driving roller body and an inner driven roller body are arranged at a position, close to the outer roller, on the inner side of the locating disk. The wheel rim finishing device is simple in structure and high in universality, and may adapt to wheel types with different rim structures.

Abstract: A wear part removal system includes a handle, a positioning system configured to control an approach angle of the wear part removal system to a wear part, a clamping system that includes a plurality of clamps and that is configured to clamp the wear part, a contact component configured to contact a portion of the wear part, and a vibrator device configured to generate a vibratory force that is to be transmitted to the wear part.

Abstract: A method for fabricating a fashion ring from a key is presented. The method includes supporting the key on first and second surfaces, forcing the key into a shaping aperture between the first and second surfaces with a round form, wrapping a first portion of the key around the round form with a first die, wrapping a second portion of the key around the round form with a second die, removing the wrapped key from the round form, and applying a finishing process to the wrapped key to form a fashion ring.

Abstract: An actuating device comprising, in combination, a actuating body. There is an internal guide configured to be slidably received within the actuating body. The internal guide has a centrally located central push rod hole. There is a central push rod assembly located within the central push rod hole of the internal guide. There is a beveled slide collar within the interior surface of the actuating body, and the beveled slide collar contains a beveled slide. The beveled slide as having four like-configured components. There is at least one push rod contained within the internal guide.

Abstract: A battery unit is housed in a metallic battery case. In the battery unit, current collectors having bent portions on both sides are fixed to face surfaces of an electrode plate group of a prismatic battery. The portions of the battery case, which correspond to the bent portions, are pressed in a thickness direction. Under the pressure, a short circuit inspection for a short circuit between the battery case and the current collectors of the battery unit is executed. When a projected object exists on the bent portion, a short circuit is generated between the battery case and the current collector by pressing so that a short circuit failure caused by a shape of the current collector can be detected.

Abstract: An apparatus and method for swaging a square or rectangular tube, the apparatus including a support for external dies, both surface dies and corner dies, which when actuated, apply pressure to the outside of a tube to achieve its swaging to a lesser dimension, and having a collapsible mandrel located therein, supporting internal dies, that apply a lesser pressure against the interior of the tube, during a swaging operation, to assure that wall buckling does not occur. An internal die with its removing tool may locate within the end of the tube to be swaged to cooperate with the pressure from the external dies to swage the tube without any final buckling.

Abstract: A battery unit is housed in a metallic battery case. In the battery unit, current collectors having bent portions on both sides are fixed to face surfaces of an electrode plate group of a prismatic battery. The portions of the battery case, which correspond to the bent portions, are pressed in a thickness direction. Under the pressure, a short circuit inspection for a short circuit between the battery case and the current collectors of the battery unit is executed. When a projected object exists on the bent portion, a short circuit is generated between the battery case and the current collector by pressing so that a short circuit failure caused by a shape of the current collector can be detected.

Abstract: In a method of making a seamless hot-finished steel pipe a billet heated to a shaping temperature is pierced by a first shaping to a thick-walled hollow ingot which subsequently undergoes a radial forging process using an internal tool inserted in the hollow ingot and at least two forging jaws of a forging machine. The forging jaws act on the outer surface area of the hollow ingot, wherein the hollow ingot is turned and axially advanced in a clocked manner in the idle stroke phase of the forging jaws.

Abstract: An apparatus for forming a beam member for a torsion beam in a rear wheel suspension system of an automobile wherein said apparatus includes top and bottom dies for forming a U-shaped or V-shaped section and an extension section of the beam member, upper and lower pad-dies coupled to top and bottom dies for forming a rectangular section of the beam member before operation of the top and bottom dies, and left and fight cams installed at both sides of a pipe so as to be horizontally inserted into the pipe by a hydraulic cylinder for maintaining inner shapes of the extension section and the rectangular section, said cams preventing both distortion and wrinkling from occurring on the rectangular section and the extension section of the beam upon operation of the top and bottom dies, thereby allowing the beam member to be formed to have different cross sections at different portions of the beam with complete symmetry, by a single process.

Abstract: A method of forming a radially expandable externally grooved tubular fastener from metal, comprising the steps of providing a suitable tubular blank (11) having a tubular wall (12) and squeezing the tubular wall between an internal member (17) with a surface which engages the internal tubular wall face (15) of the blank and a plurality of external members (18) provided with suitably shaped surfaces engaging the external tubular wall face (16) of the blank (11) thereby to form grooves (23) on the external tubular wall face (15) of the blank (11).

Abstract: A tube partial thread forming apparatus and method is disclosed. A tube is placed on the apparatus around internal die sections, which are separated by a mandrel to cause the internal die sections to engage the tube. stripper pieces are moved into engagement around the outer surface of the tube to secure and support the tube. External die sections extend through the stripper pieces and engage the tube and form partial threads thereon.

Abstract: A tubing swaging machine comprising four coplanar hydraulic cylinders which compress the end of a piece of tubing around a central mandrel. The central mandrel has indentations and is reciprocated by a fifth hydraulic cylinder perpendicular to the plane of the other four cylinders. Each of the four coplanar hydraulic cylinders reciprocate a die which has a surface corresponding to the indentation in the mandrel opposite.

Abstract: A tubing swaging machine comprising four coplanar hydraulic cylinders which compress the end of a piece of tubing around a central mandrel. The central mandrel has indentations and is reciprocated by a fifth hydraulic cylinder perpendicular to the plane of the other four cylinders. Each of the four coplanar hydraulic cylinders reciprocate a die which has a surface corresponding to the indentation in the mandrel opposite.

Abstract: A clamp having a pneumatic cylinder with an actuating rod connected to one end of a drive arm which has its other end attached to a crankshaft which in turn has crankpins eccentrically mounted thereon to drive inner and outer clamp arms between retracted and advanced positions corresponding to open and closed positions of the clamp. The length of the drive arm, the extent to which the crankpins are offset from the crankshaft, the specific portion of a quadrant through which the crankpins are rotated, and the distance between the application of the force to the clamp arms and the axes about which the clamp arms pivot all provide a significant mechanical advantage and an extremely large clamping force from relatively low pressure compressed air supplied to the pneumatic cylinder.

Abstract: Machine tools are known, for forming workpieces, such as sheet metal, with tooling made of two tool halves arranged on opposite sides of the workpiece to be formed. One half of the tooling has at least one pressure element that can move against the workpiece and act on it and the other half of the tooling has at least one counter-pressure element that works with the pressure element to form the workpiece, and it is also movable against the workpiece. The movement of the pressure element against the workpiece activates the drive of the counter-pressure element in the direction opposite to the movement of the pressure element against the workpiece.

Abstract: A process and device for shaping the end of a tube with an oblong cross-section to a circular cross-section, where the shaping occurs in a single radial compression stage from the exterior. The tube is disposed with its shortest axis in correspondence with two fixed opposite surfaces, having a circular profile with a radius of curvature which is approximately equal to the radius of the circular section of the tube which is to be obtained. A radial compression is then exerted along the longest axis of the oblong section of the non-deformed tube by a pair of shaping surfaces having an angular extension which is complementary to those of the fixed opposite surfaces.

Abstract: A jointing clamp for pressing pipe connections, particularly for pipes of composite materials, includes two pressure clamps, each of which carries a form part of a form insert and which are connected with one another by connecting plates that are disposed on either side, and which are supported at the connecting plates so that they are can be pivoted in opposite directions about parallel pivoting axes and can be moved into the closed position by means of a clamp driving device which can be connected to the jointing clamp by means of a crossbolt reaching through aligned boreholes in the connecting plates. In order to achieve a pressed pipe connection of high form accuracy, the form insert is constructed in three parts and the third form part is supported in a stationary manner between the connecting plates of the jointing clamp.

Abstract: An apparatus for forming a curved, flat sided surgical needle, which comprises a frame member including an anvil member having an arcuate surface profile; a movable first die member for simultaneously imparting an arcuate profile and at least a pair of first opposing flat surfaces to a body portion of a needle blank and adapted to receive a needle blank, the first die member having an arcuate needle forming surface which is substantially parallel to the arcuate surface of the anvil member; a first side tool for curving a tapered end portion of the needle blank about the anvil; a transfer tool adapted to slide the needle blank along the anvil a side press adapted to import second flat surfaces to a second pair of opposing sides of the body portion of the needle blank; a second side tool member for curving a drill end portion of the needle blank about the anvil; and an ejection tool for moving the needle blank away from the anvil.

Abstract: A head assembly for a compression tool including a pair of opposite, rotatably mounted jaw members. Each jaw member having a compression end which is moveable between a first position in engagement with the compression end of the opposite jaw member and a second position wherein the compression ends are spaced apart from each other. The compression end of each jaw member having an interior nib surface, a semi-circular groove surface, an engagement surface and distal compression surface. The head assembly includes a center nib which is operably associated with the interior nib surface of each jaw member to provide three generally equidistant points of contact around the circumference of a connector that is placed therebetween for compression.

Abstract: A jointing clamp for pressing pipe connections, particularly for pipes of composite materials, includes two pressure clamps, each of which carries a form part of a form insert and which are connected with one another by connecting plates that are disposed on either side, and which are supported at the connecting plates so that they can be pivoted in opposite directions about parallel pivoting axes and can be moved into the closed position by means of a clamp driving device which can be connected to the jointing clamp by means of a crossbolt reaching through aligned boreholes in the connecting plates. In order to achieve a pressed pipe connection of high form accuracy, the form insert is constructed in three parts and the third form part is supported in a stationary manner between the connecting plates of the jointing clamp.

Abstract: The method for manufacturing a pipe bend from a straight pipe piece by means of actuating members acting on the outside of the pipe piece and making an open shaping station, the diameter of the actuating members being expandable and compressible under the action of force, said method comprises the steps of: stepwise moving the pipe piece to and through the shaping station; grasping and pulling the pipe piece during its move to the shaping station by means a reciprocating member during the progressive motion of the reciprocating member; introducing the leading end of the pipe piece into the shaping station, supporting the pipe piece on its inside; upsetting and calibrating the pipe piece by compressing the actuating members of the shaping station while maintaining the supporting of the pipe piece on its inside; loosening the reciprocating member from the pipe piece; retaining the pipe piece in the shaping station during the retrograde motion of the reciprocating member; and repeating these steps until the pipe

Abstract: The guideway for each working carriage has a predetermined parking position in a bending machine for skein-shaped material, in which several working carriages can be adjusted in positions determined by a bending program in a working plate and which comprises at least one working carriage guideway and a drivable working carriage transport device, with which each working carriage can be optionally coupled for adjustment. Each working carriage positioned for working can be adjusted to its parking position with the transport device and can be adjusted again to any optional position from the parking position by the transport device. A program control unit is preferably provided which clears the working carriages after the machining of a lot size of a bending program to their parking positions with leader and trailer programs and, prior to the beginning of a lot size, brings the working carriages from their store parking positions with a new bending program and adjusts them to the new positions.

Abstract: A film magazine forming apparatus forms a sheet having printing on a side thereof into an almost cylindrical shape. The film magazine formed into the almost cylindrical shape has separated lip portions for enabling a film to mvoe therethrough. The lip portions have a soft yarn mounted thereon. Transport apparatus transports the sheet to forming means including a core mold, an upper mold, and first and second side molds which form the sheet into an almost cylindrical shape with the printing on the side of the sheet forming an outer cylindrical surface of the almost cylindrical sheet. Transport apparatus transports the sheet with the printed side of the sheet being out of contact with the transport apparatus to prevent damage to the printing on the sheet. In addition, the core mold is used as a guide for transporting the almost cylindrical shape sheet to another operating position. A claw can be mounted on the core mold for transporting the thus formed almost cylindrical shape to another operational position.

Abstract: A barrel to be formed has internal tracks of circular profile which abut ridges (4). The process starts with a sheet-metal blank which is arranged around an inner shaping mandrel equipped with protuberances integral or rotatably attached and defining shaping surfaces for the tracks. Three dies are displaced radially and have a projection which initiates a fold and which than forces this fold between the protuberances in order to produce the ridge as a result of a flow of material towards this region, which will undergo a very high load during operation.

Abstract: Stamping and forming apparatus (54) has a bending station in which blanks (28,28'), which extend from the two side edges of strip material (4), are reversely bent (180) degrees in opposite directions so that the end portions (36a,36a') of the reversely bent blanks extend back towards the carrier strip (4). The apparatus has first and second tooling assemblies (86,86') which are on ram assemblies (72,72'). The ram assemblies move relatively towards and away from each other with the strip positioned (4) between the tooling assemblies. Each tooling assembly (86,86') has a mandrel (44,44') around which the blank (28,28') is bent and each tooling assembly has two bending sets of tooling therein, a primary bending set (46,46') and a secondary bending set (50/50') for bending the blank initially through a 90 degree angle and then completing the bending operation to form a 180 degree bend.

Abstract: To form longitudinally spaced pairs of angularly spaced stops in the walls of fuel rod-positioning ferrules utilized in nuclear fuel bundle spacers, the ferrules, cut from tubular stock, are longitudinal oriented in a first station and angularly oriented in a second station using a reference notch cut in one ferrule edge. Successive ferrules are picked from the second station and placed in a die of a punch press. Ferrule exterior surface back-up is provided by the die upon closure, and interior surface back-up is provided by a mandrel inserted in the ferrule bore as the punches converge into stop-forming engagement with the ferrule wall. Formed ferrule discharge is induced by placement of the next ferrule in the die.

Abstract: An apparatus for drawing-in a pipe end by plastic cold forming includes a clamping body. An annular body disposed on the clamping body has an inner surface and a center. An internal tool in the form of a stop ring is centrally supported on the clamping body for defining a desired inside pipe profile. A plurality of jaws is disposed on the clamping body for extending over the outside of a region of a pipe to be drawn-in. The annular body has blind bores serving as cylinders formed therein in radial directions with openings facing toward the inner surface of the annular body. Pistons connected to the jaws are inserted in the cylinders and movable radially toward the center of the annular body by a pressure medium. The stop ring has individual stops in the form of stop heads with threaded shafts being radially adjustably screwed into radial threaded bores formed in the stop ring. The threaded shafts may be rotated.

Abstract: 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.

Abstract: A die package for forming a central disc structure having a plurality of integrally formed appendages extending therefrom includes a cylindrical array of appendage forming, abutting die segments which are prevented from tilting or moving in a circumferential direction by means of pins extending into slots formed along the parting lines between abutting die segments in the upper surfaces of the segments. In one embodiment, the pins extend upwardly from between opposed, parallel, radially and axially extending walls of each slot and fit tightly between said walls. The upper ends of the pins are secured to a rigid annular ring overlying the slots. The slots extend radially inwardly of the pins to allow the die segments to be moved radially outwardly after forging to release the forging from the die package.

Abstract: An IC pin adjustment tool includes a pair of side arms and a center portion disposed between the side arms. The side arms are hingedly mounted on the center portion at one end thereof, and biased outwardly away from the center portion by spring means attached to the other end of the side arms. The center portion, and the portions of the side arms adjacent to the center portion, are configured such that an IC of either of two widths may be disposed on the associated one of two sides of the center portion such that the IC pins extend into gaps between the side arms and the center portion. By squeezing the side arms toward each other, the side arms force the pins toward the center portion to thereby adjust the orientation of the pins, such that they may immediately be inserted into an IC socket without further adjustment.

Abstract: A mandrel for the production of internally profiled, specially threaded tubes or cylinders (2) by the cold forging of tube shaped forging blank (2) around a profiled mandrel (3) by cold forging the workpiece (2) from its one end to the opposite end. The threaded mandrel is parted at or near its axial center and both halves (3a, 3b) are held together axially free under a given radial play. Both ends (8, 13) of the mandrel halves are shaped for the application of a spanner. The mandrel halves can be shaped slightly conical from the ends in towards the parting line, and the flanks of the mandrel threads (14, 15) can be ground so that the threads thicken slightly and continously from the parting line and outwardly towards the mandrel's ends. The thread depth in the mandrel can be slightly deeper than the required thread height on the cold forged tube or product.

Abstract: A method and tool for cold forging or cold hammering of internally profiled tubes, whereby a forging blank (2) is while rotated, forged by the action of a number of forging hammers (4), whereby the workpiece (2) as a result of material displacement is formed around a profiling mandrel (3). Before cold forging, the mandrel (3) is adjusted with its axial center (c--c) to a position axially to the side of the forging blank's (2) axial center (c'--c') at a distance equal to half the rolled billets extension during cold forging, and in the direction away from the forging hammers' start position. The apparatus comprises an end socket (5) and a driver (10) between which both the workpiece (2) and mandrel (3) are arranged to be clamped.

Abstract: In the formation of engagement grooves in the shank of a tool for use in a hammer drill or chipping hammer, a matrix or die is divided along a junction plane into two matrix halves. A bore for holding the tool to be punched is formed along the junction plane so that the plane divides the bore in half in its axial direction. Guide openings are formed in the opposite sides of the matrix extending into the bore for receiving punching dies. The matrix halves combine to form these guide openings which are located in the junction plane so that the punching pressure is applied in this plane. The closing pressure for holding the matrix halves together is applied at right angles to the junction plane.

Abstract: To prevent fold formation when arranging a circumferential flange and a circular constriction adjoining the same, the material of the sleeve body is locally arrested under a sufficient clamping force between the inner and outer segments of a deformation device.

Abstract: The present invention provides a technique for improving the dimensional accuracy of forged components. Uniformity of like component details is sought and a specific object is to provide a die package for forming closely toleranced appendages integrally with a central disk structure from which the appendages extend.In one effective embodiment incorporating concepts of the present invention, the forging dies include a stationary die 26 and a moveable die 28 which are mounted on a common axis and a plurality of arcuate die segments 30 which are adjacently placed in cylindrical array about the stationary and moveable dies. The arcuate die segments form cavities of the inverse geometry of the appendages to be formed and are interlocked to prevent tilting of the segments in the die package. A collar 40 extends from the stationary die to interlocking engagement with a channel 46 in the inwardly facing surface of each arcuate die segment.

Abstract: A method of making cylindrical rotor coil for use in coreless motors is provided whereby the coil is of a reduced thickness with compressed coil turns enabling the stator magnetic gap distance to be reduced, thus enabling a higher flux density to be utilized highly efficiently in the gap. A force is applied to a cylindrically wound coil of an insulation coated wire so as to act in its radial directions and against at least one of the inner and outer peripheries of the cylindrical coil, whereby respective turns of the wire are compressed together and flattened on the plane defining the respective peripheries. The force application is preferably repeated while varying the relative position of the cylindrical coil in its peripheral directions to the applied force.

Abstract: The pitch of worn chain links is restored to original manufacturers' dimensions by decreasing their overall lengths. Concentrated heat is applied across a selected section at the center area of a link, and force is applied longitudinally to the ends of the link to compress the heated portion. The decrease in length at the heated and compressed section compensates for wear on the inside surfaces of the ends of the links that normally contact the connecting pins.

Abstract: Corrugated pipe is bent by pinching the spiral corrugations on one side of the pipe to decrease their pitch and increase their amplitude as compared to the undeformed corrugations on the opposite side of the pipe, thereby shortening the pipe on one side. A machine for effecting deformation of the corrugations includes inner and outer clamp mechanisms which provide an inner spiral rib extending partially around the inside of the pipe and a pair of outer spiral ribs extending partially around the outside of the pipe. The clamps include hinged together clamp sections which are pivoted by hydraulic cylinders between a pipe engaging position for bending the pipe and a release position permitting advancement of the pipe. The cylinders drive the outer ribs toward one another as well as inwardly into grooves of the corrugations where their force is opposed by the inner rib which acts against the inside pipe surface at a ridge of the corrugation.

Abstract: First and second gripping heads consisting of a manipulator and a holder-up, respectively, are disposed on opposite sides of a swaging box. First and second sleeves are rotatably mounted in said first and second gripping heads, respectively and aligned on a horizontal axis which extends through said swaging box. A mandrel is non-rotatably and axially immovably mounted in said first sleeve and adapted to carry a tubular workpiece surrounding said mandrel. First and second abutments are carried by said first and second gripping sleeves, respectively, and have first and second annular gripping surfaces, respectively. Axial drive means serve to move said first gripping head along said horizontal axis toward said swaging box and to simultaneously move said second gripping head in the same direction.

Abstract: A method of manufacturing a yoke for a dynamo electric machine wherein a transversely divided two-part mandrel is inserted into a hollow ferromagnetic sleeve of wall thickness and diameter equal to that of the required yoke. The mandrel defines the shape of the poles to be produced on the yoke and a plurality of punches are driven radially inwardly towards the yoke to deform the material of the sleeve into the dies defined by the recesses of the punches.

Abstract: An improved method of manufacturing a strut member for use in a strut device of the drum brake, having two strut members and a connecting member provided with a threaded portion for linking both, to function as an adjustor of the shoe clearance.

Abstract: A vehicle wheel assembly and method and apparatus for making the assembly in which an outer tire rim and wheel center are fabricated into a secure one-piece unit. Secure attachment and restraint of the two components into one unit are accomplished through a dimpling process in which both components are nested together at a plurality of points through stamping. While very applicable to a steel rim or steel center wheel construction, the invention is adapted for use on several metallic wheel constructions to avoid pneumatic leakage associated with riveting or problems arising from welding of the two components. A fixture and hydraulically operated tool construction utilizes male and female tooling to accomplish the dimpling process in which regions of the wheel rim and center are deformed by force to nest together.

Abstract: A chassis and tilt bed support structure for a tilt bed trailer, with the chassis being comprised of a pair of elongated frame beams widely spaced apart at their rear ends by a distance substantially coinciding with the axle length and bent inwardly towards each other at their forward ends to provide a pair of relatively closed spaced, parallel, front beam segments on which the front ends of a pair of parallel, truck body support beams are supported. The body support beams are pivotally mounted on the rear end of the chassis; and a single pole drawbar and trailer hitch assembly is rigidly secured to the forward end of the closely spaced, front beam segments of the chassis.