Abstract: A tool support arm 22 is mounted to a plate member 18 which in turn is mounted to a horizontal rotatable table 16. The plate 18 has, on its upper face, a plurality of horizontally extending tool support sleeves 20, each sleeve cooperating with one of the horizontally extending tool support arms for secure engagement and quick release therebetween. The sleeve includes means 40, 48 for indexing the tool arm therein. The tool support arms are intermediately hinged 28 for pivotal movement in a vertical plane to lower the vertical projecting tool supported thereon to a non-interfering inactive position while the active tool on another tool support arm extending horizontally from the plate is in the active, raised position.

Abstract: A vacuum desoldering tool and tool cleaner system is disclosed. The desoldering tool is connectable at will to a vacuum source and features a venturi exhaust and separate muffler or end cap for the tool. The venturi throat is relatively short and preferably has a ratio of the input throat to the output throat of 4 to 1 or more. The muffler or end cap has a smooth rounded surface and is provided with radially extending openings to serve as an exhaust and muffler. The tool also has an end cap and nozzle tip therefor which are connected to a metallic sleeve of the main portion of the tool by a threaded adaptor ring into which the end cap connects by a snap connection.

Abstract: A method for explosively forming tubular copper molds of the type employed in continuous casting of steel billet and bloom sections.

Abstract: In a steel rolling mill, (a) a calibration of a thickness in the output side which is calculated from a rolling force at a lock-on position in the present pass is performed depending upon a fluctuation from a predetermined thickness at the lock-on in the last pass, a deformation resistance of a slab and a mill constant; and (b) a constant lock-on level is given to be a predetermined thickness in the present pass as the same with a thickness in the output side given by a plastic characteristic curve of the rolled slab on the predetermined thickness at the lock-on in the last pass and an elastic characteristic curve of a rolling mill on a screw position in the present pass; and then, (c) an adjusting degree of a screw gap of the press-down screw is obtained depending upon the thickness fluctuation from the predetermined thickness in the last pass, the mill constant and a differential coefficient in a rolling load function from the predetermined thickness in the present pass; and (d) the press-down screw positio

Abstract: A bending machine for forming offset printing plates and conversion components for converting older model plate benders into bending machines capable of forming reverse bend plates. The plate bender includes a table support for the plate to be bent. The table is provided with edges having contours identical to the desired contours of the edges of the plate after bending. At least one of the end edges is provided with a die having a reverse bend component formed in it. The bend on one end of the plate may be formed in a conventional manner, while the reverse end bend of the plate is formed in a two-bend sequence by suitable structural components which in themselves may form a conversion system for older plate benders.

Abstract: For use in drawing, straightening or stretching a strip of metallic material such as bars, wire, and coils, an apparatus having a pair of elastic ring-equipped roll assemblies which provide a high tensioning force for the strip material held therebetween. As the tensioning force increases, the elastic ring in each of the roll assemblies tends to deform elastically along the circumferential direction of the area which contacts the material, thus increasing the contact area over which the applied force is evenly distributed. By this means the force per unit area can be reduced. The elastic ring is mounted on a control driving shaft by at least three axially rotatable rollers, two of which are arranged to bridge the area of the material contacted by the ring.

Abstract: This disclosure describes a device and method for in situ shortening of nuclear reactor zirconium alloy process tubes which have grown as a result of radiation exposure. An upsetting technique is utilized which involves inductively heating a short band of a process tube with simultaneous application of an axial load sufficient to cause upsetting with an attendant decrease in length of the process tube.

Abstract: A method and apparatus are provided by which the windings of an armature are cut near their opposite ends and then the windings or coil segments are preferably simultaneously forced from all the armature slots. An apparatus is described for carrying out the process in which after the coils have been cut circumferentially at their opposite ends, the armature and an annular array of stripping blades are brought into engagement so that the blades enter the slots of the armature and force the armature coil segments out of the armature slots. In the preferred embodiment the number of stripping blades coincides with the number of armature slots so that a stripper blade enters each slot and forces the coil segments out of all of the armature slots simultaneously.

Abstract: Bearing assemblies for supporting cylindrical, metal-rolling rolls. The bearings are housed in chock blocks and comprise both radial and thrust bearings. The radial bearings are hemi-cylindrical in shape and extend around approximately one half of the circumference of each roll and make contact with the surface of each roll thereby minimizing lateral roll deflections. A thrust bearing engages a fraction of the surface of at least one end face of each roll. Both the radial and thrust bearings are preferably made of high strength, mechanical graphite or carbon.

Abstract: Method for welding fine wires to connecting terminations born by the base of a semiconductor device, using a tool for welding and cutting the wire in the form of a tube (9) which acts by its end face (11) containing the wire (12) to be welded, of which the outer strand (13) is to be welded to the termination (6), an incipient rupture (16) being formed by the inner angle (17) of the tube, and a limited flattening (H) being obtained by contact (40) between part of the end face of the tube and the termination, the value (H) being determined by the choice of an angle (P) created between the termination (6) and the end face (11) of the tube.

Abstract: A rolling mill is disclosed wherein at least two drive rolls are mounted for rotation within a frame, with each drive roll being rotatably supported by at least one backing roll and at least one working roll is mounted for rotation between the drive rolls to define at least one path for passage of material to be rolled. While each working roll is freely rotating, it is rotatably driven by surface friction produced by engagement with at least one of the drive rolls. Each working roll has a diameter less than the diameter of the drive rolls and the mounting position is such that the rotational axis of each working roll is substantially in the same working plane as the rotational axis of the drive rolls while lateral support devices, preferably in the form of hydraulic medium operated piston members, act in engagement with the surface of each working roll to prevent movements of the working roll out of the working plane.

Abstract: An improved scored metal end closure member for composite containers and the like is disclosed, together with the method and apparatus for forming the same, characterized in that a fully or partially removable panel portion is defined in the central panel portion by a scoreline of novel no-fin configuration. The scoreline--which is formed in one horizontal surface of the central panel portion by a truncated wedge score indenting device--has a generally trapezoidal configuration including a flat bottom wall, and generally divergent side walls. The opposite horizontal surface of the central panel portion is stepped to define a region of reduced thickness that extends from a location opposite one edge of the scoreline bottom wall in a direction away from the scoreline. Consequently, during progressive removal of the removable panel portion, the formation of sharp fins or projections on the residual lip remaining on the metal end is avoided.

Abstract: A heat transfer or like surface has fins attached thereto in a disconnected, spaced apart, substantially parallel relation, the fins standing upright on edge on the surface. A method of producing and attaching the fins has particular utility in the presence of a curved mounting surface, the fins being formed to allow them to be bent in conformance with the curved surface. Apparatus including an adjustable roller mechanism and a braze fixture are useful in forming and attaching the fin material.

Abstract: In accordance with the present invention, there is provided a non-fusible web for supporting a plurality of individual solder rings in a predetermined pattern homologous with that of a plurality of solder tails or terminals on which the rings are disposed during a soldering operation. The invention finds particular application in vapor phase condensation soldering. Use of the non-fusible web provides for the simultaneous placement of a large number of individual solder rings, while eliminating the erratic and often detrimental flow characteristics occurring during the instantaneous fusion of patterned chains or strings of solder rings during a condensation soldering operation.

Abstract: A hose built on a non-expanding, non-collapsing mandrel is removed readily lengthwise of and off the mandrel, facilitated by a tube of tough, flexible, thin anti-adherent film disposed in snug fitting contact with the length and girth of the mandrel. The tube is secured to the rigid metal member only close to the end thereof from which the hose is removed. Preferably, the tube is invaginated so as to provide inner and outer slidably juxtaposed walls. The hose built on such mandrel is moved lengthwise together with the outer wall of the tube which slides on the inner wall or the metal member. Lubrication, as by an air film, can facilitate the sliding, and does not contact the hose.

Abstract: A process of manufacturing a taper leaf spring by which rollers for measuring the length and the thickness are respectively disposed on the take-out side of a material plate for a taper leaf spring relative to a pair of rolling rollers, and also rollers for measuring the breadth are disposed on the same take-out side; rolling for regulating the breadth is beforehand performed by a pair of edge rollers on the take-in side of the material plate relative to the pair of rolling rollers; the distance of the interval between both rolling rollers is adjusted by comparing signals coming from the rollers for measuring the length and the thickness with the standard signals based on the predetermined specifications of the length and the thickness; the regulation of the breadth by means of the pair of edge rollers is controlled by comparing the signal from the breadth measuring rollers with the standard signal based on the predetermined specification; so that the material plate is rolled to a taper as desired.

Abstract: The apparatus resurfaces the interior of a tubular pipe or other constant radius cylindrical structure by depositing a series of contiguous, coaxial weld beads on the surface of the structure. The apparatus comprises a chuck for holding and rotating the structure to be resurfaced while a weld head is positioned within a free end of the structure. Upon each 360 degree rotation of the structure, the weld head deposits a continuous circular bead on the structure surface and upon the completion of each bead, the head is moved a predetermined increment axially within the structure whereupon a further bead is drawn in a similar manner.

Abstract: A method and apparatus for cooling elongate material, such as wire, after it has been drawn through a die, in which liquid coolant is applied to the drawn elongate material in only sufficient quantity to enable all or substantially all of the applied liquid coolant to be evaporated thus utilizing the latent heat of evaporation of the liquid coolant to cool the elongate material.

Abstract: There is provided hydraulically-operated work roll gap control cylinders forming a closed-circuit hydraulic system during rolling, and there are also provided hydraulically-operated backup roll control cylinders to which is connected a rolled product thickness gauge in order to keep constant the work roll gap depending on the pressure existing in the closed-circuit hydraulic system. The apparatus is provided with a hydraulic volume compensator operating in conjunction with the closed-circuit hydraulic system of work roll gap control and is also provided with a logic module connected to said compensator. The volume of fluid contained in the closed-circuit system changes in response to the corrective signal characteristic of a deviation of the strip thickness from the specified gauge. The passage of the signal to the hydraulic volume compensator is cleared or blocked by a special transportation lag unit.

Abstract: Tubular copper moulds used in the continuous casting of metals are formed or reformed by an explosive forming technique, involving placing a mould preform or used mould over an arbor having an external surface with the profile and finish required of the finished mould, jacketing the assembly with an explosive charge, submerging the jacket assembly in a liquid, detonating the charge from one end and drawing the formed mould off the arbor.