Abstract: A forming system forming a metal pipe by expanding a metal pipe material, includes: a main body part having a forming die for forming the metal pipe; an electrode causing a current to flow through the metal pipe material disposed in the forming die such that the metal pipe material is heated; a power supply unit disposed at a position separated from the main body part and supplying power to the electrode; and a power supply line connecting the power supply unit and the electrode, in which the power supply line includes a lower-side passing portion passing through a lower side of a placing surface on which the main body part is placed, a first connection portion drawn to an upper side of the placing surface and connecting the lower-side passing portion and the electrode, and a second connection portion connecting the lower-side passing portion and the power supply unit.

Abstract: A clamp apparatus includes a pair of first and second clamp arms supported rotatably on a body. The clamp apparatus also includes a manual release mechanism capable of manually releasing a clamped state in the case that an output from a drive unit to the first and second clamp arms is stopped and the clamped state of a workpiece is locked. The manual release mechanism includes a release lever disposed rotatably on a first plate body. By an operator operating the release lever to thereby rotate the release lever, a block body of a driving force transmission mechanism is pressed and moved upwardly, and pressing forces applied to the first and second clamp arms in widthwise outside directions thereof by a pair of rollers, are released. Consequently, gripping members of the first and second clamp arms are rotated in directions away from each other to thereby cause an unclamped state.

Abstract: A clamp (1) comprising: two opposed first clamping surfaces (5), two opposed second clamping surfaces (6) disposed perpendicularly to the planes of the first clamping surfaces, two opposed bearing surfaces (4) spaced apart and located on the longitudinal axes of the first clamping surfaces and disposed at an angle from the first clamping surfaces, and two rigid bearing points, one of said bearing points located to align when in use adjacent to one of the bearing surfaces and the other bearing point located to align when in use adjacent to the other bearing surface, and means (20) for imparting a longitudinal force such that the bearing surfaces are urged against the bearing points.

Abstract: A chuck device has a pair of grippers pivotally supported in a recess defined in an end of a body for angular movement about a predetermined angle, a joint member connected to a piston reciprocally movably disposed in a cylinder chamber defined in the body, and a pair of rollers engaging respectively in grooves in the grippers and angularly movably mounted on the joint member. Linear movement of the piston can be transmitted as angular movement to the grippers through the rollers while the rollers are angularly moving with respect to the joint member. A cover is mounted on the end of the body in closing relation to the recess.

Abstract: Each of a plurality of thin-walled workpieces is held for machining in a machine in a respective rigid holder. Ends of unmachined workpieces are each first imbedded in a molten body of a metal alloy having a melting point between 45.degree. C. and 140.degree. C. contained in a respective one of the rigid holders in a cooling station and having a negative expansion coefficient. The holder and the alloy body are cooled in the cooling station to solidify the body around the imbedded end of the unmachined workpiece and the cooled holder is displaced with the unmachined workpiece from the cooling station into the machine. After machining of the workpiece in the holder, the holder is displaced from the machine into a heating station where it is heated to melt the alloy body. Then the machined workpiece is lifted out of the molten body in the heating station and the holder with the molten alloy body is recirculated from the heating station to the cooling station.

Abstract: An electro-pneumatic machining jig is adapted to be attached to the bed of a machine such as a milling machine, grinding machine or the like. The jig holds a workpiece, such as a cylinder head, for machining in a desired position relative to a tool head. The machining jig has a pair of jig stands (10) for clamping the workpiece therebetween, with the jig stands (10) mounted in selected spaced relationship on the bed of the machine. Each jig stand (10) has a workpiece connection means (22, 25) mounted on an adjustable stand (16, 17, 18). The stand is supported on a base (11, 12) which includes air-float means (54, 55, 50) and electromagnetic means (13, 53). The air-float means (54, 55, 56) permits alignment of the clamped workpiece relative to the tool head whilst the bases of the pair of jig stands (10) are floating. When the air-float is terminated, the electromagnetic means (13, 53) are energized to clamp each jig stand (10) to a mounting plate on the machine.

Abstract: Delays in fitting and drilling bowling balls are eliminated in a point of sale bowling ball fitting and drilling apparatus. A fitting apparatus (30) includes two movable finger blocks (34), (36) and a thumb aperture (38). Through the use of inserts taken from a group of inserts (150), the fitting apparatus (30) may be utilized to generate control signals to a drilling apparatus (46). A ball (204) may be positioned within the drilling apparatus (46) and insert receiving holes drilled therein in response to the information received by the drilling apparatus (46) from the fitting apparatus (30).

Abstract: An arrangement to position molding, and particularly crown molding, upon a miter table is arranged to include at least one positioning assembly having an adjustment rod threadedly directed parallel to and below the miter saw table, with an abutment plate mounted to a positioning rod that is arranged above and parallel to the adjuster rod, with the abutment plate arranged for engaging the molding for orienting the molding in a predetermined orientation relative to a saw blade of the associated miter table.

Abstract: A device for fitting a holding part onto an eyeglass lens comprises a plate adapted to receive the eyeglass lens pivoted to a fixed base and a calibrated spring arrangement and a displacement sensor operative between the plate and the base.

Abstract: An apparatus for removing a flexible impeller from a pump housing. The apparatus includes a base member, first and second arms connected to the base member and movable relative to each other, and an actuator for clamping the arms on the core of the flexible impeller.

Abstract: A woodworking corner clamp assembly having two screw clamp assemblies, each clamp assembly being oriented perpendicular to one leg of an L-shaped frame. Each clamp is also capable of longitudinal sliding movement along one leg of the L-shaped frame. The longitudinal position of each clamp along the respective leg of the L-shaped frame is controlled by the rotation of a threaded rod which passes through a longitudinal slot located in the leg of the frame and through a portion of the base of the clamp member, such that rotation of the threaded rod causes the clamp to be driven longitudinally along the length of the frame.

Abstract: An ophthalmic lens centering and mounting device includes a base which receives and centers the ophthalmic lens. A support receives a holding and securing device for the lens in a removable way and is carried by an arm mounted to swing on the base to apply the holding and securing device to the ophthalmic lens. A barrel mounted to rotate on the arm carries the support. A template support carried by the barrel receives in a removable way a template that has to be superposed on the lens before the holding and securing device is placed on the lens.

Abstract: A clamp is provided for securely aligning opposed longitudinal halves of a pipe. The clamp comprises a support having a recess therein for receiving a portion of the pipe. First and second levers are pivotably mounted to the supports on generally opposite sides of the recess therein Each lever includes opposed gripping and actuating ends. A piston and cylinder assembly extends between and is pivotally connected to the actuating ends of the first and second levers. As a result, the movement of the piston relative to the cylinder causes the sequential rotation of the first and second levers about their respective pivotable mountings to the support, to securely urge the gripping ends thereof into contact with the pipe mounted in the recess of the support.

Abstract: A process and an apparatus for forming an air gap pipe are provided. Inner and outer pipes are bent or deformed into comparable configurations such that the inner pipe can be mounted within the outer pipe. The outer pipe then is split longitudinally by a preprogrammed cutting apparatus. The cutting of the outer pipe terminates just short of the complete longitudinal length of the pipe to facilitate rematching later in the process. The cutter includes a follower to trace the actual configuration of the pipe and thereby to offset differences from one pipe to the next. An array of clamps are provided to align the outer pipe halves relative to one another and to facilitate the reattachment.

Abstract: A fixture for supporting integrated circuit packages during wave soldering of leads on the packages includes a carrier portion including two sets of orthogonal support members. The support members have formed edges for defining seats for receiving the packages. A frame cover includes appendages for engaging the packages and maintaining the packages in the seats. The arrangement of the orthogonal support members and cover appendages facilitates solder wave access to all leads of the packages and cleaning and drying of the packages. Heat transfer from the molten solder during the wave soldering procedure is minimized due to the low mass of the cover appendages.

Abstract: There is provided herein a method and associated apparatus for processing groups of elongated cylindrical members such as tubing or the like. The cylindrical members are arranged and transversely clamped in a substantially flat array by a reciprocating clamp which operates to advance the array of cylindrical members a predetermined distance toward operation performing apparatus whereupon a second clamp engages the members and maintains them in the generally flat array while an operation is performed upon each of the members. Additional apparatus is provided which receives the cylindrical members longitudinally from the operation performing means and delivers the array transversely to other apparatus. Hold down apparatus are also provided on this additional apparatus as well as on the operation performing device and reciprocating clamp device which are designed for rapid accurate adjustment to accommodate different diameter cylindrical members.

Abstract: In the invention, an apparatus is designed for producing spacer frames for insulating glass window structures, made up of lengths of hollow molding joined together by male cornerpieces. Hollows and spaces at the corner joins are sealed or filled by injection of a sealing composition forced in by the use of a female injection head designed to take up a frame corner, and a driver for pushing the frame corner structure into the injection head. There is furthermore a work table for the frame parts in the working position on injection of the compound or sealant, and gripper structures for keeping the hollow molding lengths, forming the corner, in the desired position. At least one of the gripper structures is able to be moved towards the put-in male part of the cornerpiece after the hollow molding part has been gripped.

Abstract: The specification and drawings disclose an anode assembly for use in electrolytic cells, and apparatus for forming such assemblies. The anode assembly comprises an anode riser to which is joined a parallel pair of metal sheets which form anode surfaces. The sheets are joined to the riser by connecting means which permit movement of the sheets toward and away from one another while maintaining their parallel relationship. Additionally, the connecting means is such that it maintains a tension on the sheets to prevent them from warping or assuming a non-planar configuration. The disclosed apparatus permits assembly of the sheets to the riser in a simple, rapid manner.

Abstract: Disclosed is an elevator for handling pipe with enlarged ends by gripping the end of the pipe with the enlargement between two hinged arm pieces. In the specific embodiment shown, one arm piece fits into the end of the pipe with enlarged end in the form of a collar, and cooperates with a C-shaped receptacle which is fixed to the end of the other arm piece, and which fits around the pipe and catches the pipe collar to prevent the pipe from separating from the first arm inserted into the pipe end. A spring-actuated lock prevents the arms from opening and releasing the pipe.