Abstract: Clamping devices and associated methods that are useful to develop both axial and circumferential clamping forces in response to a common axial clamping force. The clamp is able to use a simple mechanism to generate both kinds of clamping forces from a single, axial actuating force. The clamping devices of the present invention are particularly useful for clamping cover and base deck components of a hard disk drive enclosure together to allow the components to be joined and sealed together using welding techniques.

Abstract: A vice jaw assembly includes a unitary body that has a top side, a bottom side, a front side, a rear side, a first lateral side and a second lateral side. The top side has an elongated channel therein spaced from the front side and the rear side and defined by a bottom wall, a first lateral wall and a second lateral wall. The bottom wall has a plurality of first wells extending therein each engageable with a male coupler. The bottom wall has a plurality of second wells extending therein each engageable with a male coupler. Each of the second wells is centered within one of a plurality of annular depressions. Each of the annular depressions extends into the bottom wall and has a circular shape. The annular depressions each extend into the first lateral wall such that the lateral wall includes a plurality of semi-cylindrical grooves therein.

Abstract: Slicers for cutting food such as sausage, cheese or meat, for example, into slices. Such slicers, and processes related thereto, may simultaneously slice at least two stick-shaped pieces of food by a cutting blade. The feeding of the food that is sliced may be further improved thereby. An exemplary feed unit (9) for feeding food (10) to a cutting blade (7) includes at least one gripper carriage (20) including a gripper receiving beam (22) and at least one movable gripper (21). This gripper (21) may be operated by a stationary drive, and the mechanical work for seizing can be transferred to the grippers (21) via guides or further drive structure.

Abstract: A horizontal support tool for an engine build stand, the horizontal support tool includes a support tube along an axis and a tie shaft between a handle and a puck assembly, said puck assembly including a puck selectively extendable and retractable transverse to the axis in response to rotation of the handle. A method of horizontally assembling a portion of a gas turbine engine including mounting a first module to an engine build stand; installing a horizontal support tool into the first module, the horizontal support tool supported in a spherical bearing supported by the engine build stand; and installing a second module to the first module, the horizontal support tool operable to at least partially support second module.

Abstract: A holding apparatus for an in particular dental workpiece includes a holding element and a fixing device. The workpiece can be fixed to the holding apparatus by a relative movement of the fixing device with respect to the holding element. The fixing device or the holding element has a split sleeve, and the inside surface of the split sleeve forms a clamping surface for the workpiece. Upon the relative movement of the fixing device with respect to the holding element, the workpiece can be braced against the holding device by the clamping surface.

Abstract: A work holding device includes a first jaw piece having an elongated first connection member for connecting the work holding device to a support. The first connection member defines a first passage. A second jaw piece has an elongated second connection member positionable within the first passage. The second connection member defines a second passage in communication with the first passage. A spindle assembly movably couples the second jaw piece to the first jaw piece. The spindle assembly is configured to move the second jaw piece with respect to the first jaw piece to create a clamping pressure when an object is placed between the first jaw piece and the second jaw piece.

Abstract: A dipping apparatus is provided having a clamp pad and a support pad configured to clamp the external and internal surfaces of the base of a ceramic object to assist in dipping the ceramic object into a liquid glaze to achieve a blemish-free coating.

Abstract: A clamp includes a housing, a fixed gripper, a moveable gripper, a driven member, and an actuator. The housing includes first and second tracks. The fixed gripper is coupled to the housing. The driven member is configured to slide within the first and second tracks of the housing. The moveable gripper is operatively coupled to the driven member. The actuator is configured to move the driven member towards a first position to thereby move the moveable gripper towards the fixed gripper. The actuator is further configured to move the driven member towards a second position to thereby move the moveable gripper away from the fixed gripper.

Abstract: Embodiments provide a unidirectional multi-path kiln with two or more chambers and generally parallel flow paths extending through the kiln, on opposite sides, from charge entry portals at a first end of the kiln to charge exit portals at a second end of the kiln. Moist heated air flowing from the second heated chamber is received in the first chamber and circulated around the lumber charges with one or more fans. The lumber charges proceed in the same direction on the flow paths through the heated second chamber, which may be an existing kiln. Charge exit portals at the distal end of the kiln and/or intermediate charge portals between the second chamber and a third chamber may be provided with insulating members configured to reduce airflow from the second chamber through the charge exit portals.

Abstract: A gravity activated lifting claw for help in moving and gripping a wide range of objects of various sizes and shapes. The gravity activated lifting claw includes a link and slide structure that allows for configurations with varying number of gripping arms. The gravity activated claw is self-opening when the claw is slacked. The embodiments of the lifting claw are cheaply and easily configurable with a wide range of material handling machinery.

Abstract: A device for holding a turbine engine blade for purposes of machining, the device including a support including at least one housing in which at least one block is removably mounted, the block including two jaws presenting an opening for mounting an airfoil of a blade. The block further includes six presser points for pressing against the airfoil, and a movable presser finger for pressing against a pressure side surface or a suction side surface of the blade, the finger being moved by an actuation mechanism such that in a blade clamping position, the presser finger presses the blade against the presser points of the block, which itself is pressed against the support.

Abstract: Clamping device for clamping a workpiece defining at least three protection holes, includes a supporting seat, a pressing plate, a clamping assembly, and an operation assembly. The supporting seat can define a sliding groove, a first receiving groove, a second receiving groove, and a receiving hole, and includes a protrusion portion. The pressing plate can be securely stacked upon the supporting seat. The clamping assembly can include a first and a second clamping subassembly, and is sandwiched between the supporting seat and the pressing plate. The operation assembly can include a locking member and a transmission pin eccentrically assembled to an end of the locking member. When the locking member is rotated, the transmission pin can be driven to resist the second clamping subassembly to be partially exposed from the supporting seat, simultaneously. The locking member can resist the first subassembly to be partially exposed from the supporting seat.

Abstract: An adjustment mechanism includes a first adjustment assembly and a second adjustment assembly. The first adjustment assembly includes a first regulating member and a second regulating member. The first regulating member includes a bearing plate and a first supporting portion protruding from the bearing plate. The first supporting portion includes an arcuate first supporting surface. The second regulating member includes a base body and a second supporting portion protruding from the base body away from the first supporting portion. The second supporting portion includes an arcuate second supporting surface. The second adjustment assembly includes a mounting member latched with the base body. First supporting surface resists the base body, to enable the bearing plate to rock along a curvature relative to the base body. Second supporting surface resists the mounting member, to enable the bearing plate and the base body to rock relative to the mounting member.

Abstract: The vise includes a seat body having two movable jaws separately with two inner threads, a fixed jaw and a rail. A screwing rod has a rear portion and a front portion whose diameter is less than the rear portion. A first outer thread is formed on the rear portion. A step is formed between the front portion and the rear portion. A screwing tube telescopically and unrotatably sheathes the front portion of the screwing rod and has a second outer thread. The two movable jaws are separately engaged with the screwing tube and screwing rod by screwing the outer threads and the inner threads. A spiral direction of the first outer thread is contrary to the second outer thread. A main spring is nipped between the screwing rod and screwing tube. A crank is axially connected to the front portion of the screwing rod for rotating the screwing rod.

Abstract: Disclosed is a main body vise device (7) in a band saw machine, characterized in that: a movable main body vise body (33) is provided to a main body vise bed (31); an upstream movable vise jaw (37) is provided integrally to this main body vise body (33), while a downstream movable vise jaw (41) is movably provided on a downstream side of the main body vise body (33); a first pressing/biasing module (43) capable of advancing and retreating the main body vise body (33) is provided; and a second pressing/biasing module (45) capable of advancing and retreating the downstream movable vise jaw (41) independently of the upstream movable vise jaw (37) is provided.

Abstract: An exemplary clamping mechanism includes a mounting base, a clamping assembly and a driving assembly. The clamping assembly includes a rotating member rotatably assembled to the mounting base, drive pins, a guiding member, sliding members, and clamping members. The guiding member is mounted on the mounting base and defines guide slots. The sliding members are slidably engaged into the guide slots of the guiding member, and connected to the rotating member via the drive pins. The clamping members are assembled to distal ends of the sliding members, respectively. The driving assembly is mounted on the mounting base and connected to the rotating member thereby driving the rotating member to reciprocate to clamp or release a workpiece.

Abstract: A material-saving and energy-saving multifunctional bench clamp includes a movable clamp body, a fixed clamp body and a transmission pair of a screw and a nut. The fixed clamp body is provided with a holding accessory and a retractable locating-guiding device. The movable clamp body is made up of a left part and a right part. The left part is provided with two work heads, each head includes holding members, which form a holding assembly together with the accessories installed on the fixed clamp body. At least two axially locating-guiding key grooves are shaped on the cylinder guide rail of the right part and positioned the corresponding work heads of the left part. The bench clamp not only reduces processing surfaces and costs, but also saves about 30% material of clamper body under the same standard size and rated clamp force by comparison to the old multifunctional bench clamp.

Abstract: A clamping mechanism includes a mounting plate, a driving assembly, and a clamping assembly. The mounting plate defines four through grooves. The driving assembly includes a driver mounted on the mounting plate, and a connecting member connected to the driver. The clamping assembly includes a reversing member mounted on the mounting plate, four clamping members, four transferring members, and four elastic members. The clamping members are movably mounted in the through grooves. The transferring members are wound on the reversing member. An end of each transferring member is connected to the connecting member, an opposite end of each transferring member is connected to the corresponding clamping member. The elastic members are sleeved on the transferring members, and resisting against the clamping members. The clamping members move toward the reversing member driven by the driver, for clamping a workpiece.

Abstract: The vise includes a seat body having two movable jaws separately with two inner threads, a fixed jaw and a rail. A screwing rod has a rear portion and a front portion whose diameter is less than the rear portion. A first outer thread is formed on the rear portion. A step is formed between the front portion and the rear portion. A screwing tube telescopically and unrotatably sheathes the front portion of the screwing rod and has a second outer thread. The two movable jaws are separately engaged with the screwing tube and screwing rod by screwing the outer threads and the inner threads. A spiral direction of the first outer thread is contrary to the second outer thread. A main spring is nipped between the screwing rod and screwing tube. A crank is axially connected to the front portion of the screwing rod for rotating the screwing rod.

Abstract: The melon-holder includes an elongated base having a pair of jaws each pivotal about a separate side of the base. The jaws are pivotal from a melon-engaging position to a melon-releasing position. The jaws have a number of lateral spaces which are spaced apart from one another and which are adapted to receive a knife for cutting the melon into lateral slices while the jaws are in the melon-engaging position.

Abstract: A clamping device for clamping a workpiece includes a support member, sliding members and a rotating member. The support member is configured for supporting the workpiece. The support member defines cutouts in a periphery thereof. The sliding members each is positioned in one of the cutouts. Each of the sliding members has a cam pin. The rotating member is rotatable relative to the support member. The rotating member defines cam slots on top thereof. The cam pins are received in the cam slots and slidable in the cam slots. Positions of the sliding members are changeable along radial directions of the support member when the rotating member is rotated.

Abstract: A clamping mechanism for holding a workpiece includes an end executor, a driving member, and a contact member detachably mounted on the end executor. The end executor includes a plurality of claws arranged in matrix. The contact member includes a mounting board and a plurality of contact sleeves corresponding to the claws. The driving member is capable of driving the mounting board, moving the contact sleeves to extend the claws, and hold the workpiece.

Abstract: A cradle assembly for a pressure decay leak tester is provided. The assembly operatively receives a printhead integrated circuit carrier having a plurality of printing fluid paths defined therein, respective fluid inlets in fluid communication with respective fluid paths and a locating formation to facilitate correct location of the carrier on the tester. The assembly includes at least one complementary locating formation for engaging the locating formation of the carrier, and at least one fluid outlet for charging the carrier with fluid via a respective fluid inlet of the carrier. Also included is a clamping device for clamping the carrier to the fluid outlet, so that the integrity of the fluid paths is observable via pressure decay testing, and a control system operatively connected to the clamping device for controlling operation of the clamping device.

Abstract: A pneumatic assembly for a pressure decay tester of printhead integrated circuits includes a pressurized air supply. A pneumatic clamping arrangement is in fluid communication with the pressurized air supply for clamping a carrier for the printhead integrated circuits such that the carrier is in fluid communication with the printhead integrated circuits. A valve arrangement applies a predetermined pressure to the carrier. A sensing arrangement senses a static pressure in the carrier. A control system is in communication with the clamping, valve and sensing arrangements to control operation thereof and to generate a discernible signal representing said static pressure such that a decay in said static pressure can be determined.

Abstract: A belt splicer for butt-welding conveyor belts and methods for its operation. The belt splicer has clamp jaws that close to contact the butt edges of two belt sections against opposite ends of a heating wand and to hold the two melted butt edges together as they weld to each other. A toggle linkage assembly locks the clamped jaws closed and stores energy in a spring mechanism. The toggle linkage assembly allows the rapid release of the spring energy to accelerate the clamp jaws open to pull the melted butt ends rapidly away from the sides of the wand to avoid sticking. In another version, an air cylinder is used instead of the toggle linkage assembly and spring mechanism to close and rapidly open the splicer.

Abstract: A clamp system for operatively connecting a vibratory device to a plurality of caissons defining at least first and second diameters comprises a structural member, first and second clamps comprising first and second lock systems, respectively, and a clamp displacement system. The first and second clamps are supported by the structural member. The first and second lock systems fix the first and second clamps relative to the structural member. The clamp displacement system comprises at least one clamp displacement motor supported by the structural member and a mechanical link assembly connected between the at least one clamp displacement motor and the first and second clamps. Operation of the at least one clamp displacement motor allows the first and second clamps to be remotely displaced relative to the structural member such that the first and second clamps are spaced along the structural member as appropriate for either of the first and second diameters.

Abstract: A material-saving and energy-saving multifunctional bench clamp includes a movable clamp body, a fixed clamp body and a transmission pair of a screw and a nut. The fixed clamp body is provided with a holding accessory and a retractable locating-guiding device. The movable clamp body is made up of a left part and a right part. The left part is provided with two work heads, each head includes holding members, which form a holding assembly together with the accessories installed on the fixed clamp body. At least two axially locating-guiding key grooves are shaped on the cylinder guide rail of the right part and positioned the corresponding work heads of the left part. The bench clamp not only reduces processing surfaces and costs, but also saves about 30% material of clamper body under the same standard size and rated clamp force by comparison to the old multifunctional bench clamp.

Abstract: A clamp system for operatively connecting a vibratory device to a plurality of caissons defining at least first and second diameters comprises a structural member, first and second clamps comprising first and second lock systems, respectively, and a clamp displacement system. The first and second clamps are supported by the structural member. The first and second lock systems fix the first and second clamps relative to the structural member. The clamp displacement system comprises at least one clamp displacement motor supported by the structural member and a mechanical link assembly connected between the at least one clamp displacement motor and the first and second clamps. Operation of the at least one clamp displacement motor allows the first and second clamps to be remotely displaced relative to the structural member such that the first and second clamps are spaced along the structural member as appropriate for either of the first and second diameters.

Abstract: The melon-holder includes an elongated base having a pair of jaws each pivotal about a separate side of the base. The jaws are pivotal from a melon-engaging position to a melon-releasing position. The jaws have a number of lateral spaces which are spaced apart from one another and which are adapted to receive a knife for cutting the melon into lateral slices while the jaws are in the melon-engaging position.

Abstract: This herein taught technology relates in general to milling machine apparatus for reducing inaccuracies associated with mounting fixtures on a milling machine surface having a movable guide. It comprises a loading arm which is secured directly within the jaws of the vise to permit manipulation of the vise at the end thereof. The device is secured directly to the milling machine apparatus or adjacent wall surface to permit convenient use of the device and safe storage of the vise when not in use.

Abstract: A punching machine includes a body frame having a table to support a workpiece. First and second work movement positioning apparatuses are mounted at both sides to move and position the workpiece in a direction of axis X. A work head is mounted on the body frame and has a ram and a tool. The work head moves on the body frame in a direction of axis Y, which is perpendicular to axis X. The first and second work movement positioning apparatuses are arranged in series in the direction of axis X. The workpiece is clamped by the first positioning apparatus, moved in the direction of axis X, punched, clamped by the second positioning apparatus, unclamped by the first positioning apparatus, and moved further in the direction of axis X.

Abstract: A method enables a component to be secured for inspection. The method comprises providing a tool including a first clamping member and a second clamping member coupled to a guide rail assembly, fixedly securing the first clamping member to the guide rail assembly, slidably coupling the second clamping member to the guide rail assembly such that the second clamping member is substantially parallel to the first clamping member, and securing the component within the tool between the first and second clamping members such that the first and second clamping members are fixedly secured in position with respect to the guide rail assembly.

Abstract: A clamp system for allowing a pile driving/pulling system to be attached to a caisson to be driven into or extracted from the earth. The clamp system comprises a structural member, first and second clamp systems, first and second locking systems, and a clamp displacement system. The clamp displacement assembly is operatively connected between the structural member and the first and second clamp assembly. When the first and second clamp systems are disengaged from the pile and the first and second locking systems are disengaged from the structural member, the clamp displacement system may be operated to obtain a desired clamp distance between the first and second clamp assemblies.

Abstract: An apparatus for temporarily suspending or supporting a fascia board during the installation thereof, along the eaves or the end of a rafter tail of a frame of a roof structure is described, wherein the device includes a U-shaped bucket (16) for supporting or suspending the fascia board. The U-shaped bucket is engaged in cooperating with a swivel bracket (10) and a rafter tail clamp saddle (4) for attachment to the end of the rafter tail, respectively, to the frame of the roof structure. The apparatus provides an improved method of installing a fascia board, wherein, one person can install the fascia board for the completion of the roof structure thereof. The apparatus can be easily removed and applied to another section of the roof.

Abstract: An angular position adjusting device including a first member which holds an object having an axis of rotation, a second member which holds the first member rotatably about the axis of the object, and a rotating mechanism interposed between the first and second members and operable to rotate the first member relative to the second member about the axis of the object, and wherein one of the first and second members has an guiding surface formed to extend along an arc of a circle having a center at the axis of the object, the arc having a center angle smaller than 180°, and the other of the first and second members has a guided surface for sliding contact with the arcuate guiding surface, when the first member is rotated by the rotating mechanism relative to the second member, to adjust the angular position of the object about its axis.

Abstract: A clamp system for allowing a pile driving/pulling system to be attached to a caisson to be driven into or extracted from the earth. The clamp system comprises a structural member, first and second clamp systems, first and second locking systems, and a clamp displacement system. The clamp displacement assembly is operatively connected between the structural member and the first and second clamp assembly. When the first and second clamp systems are disengaged from the pile and the first and second locking systems are disengaged from the structural member, the clamp displacement system may be operated to obtain a desired clamp distance between the first and second clamp assemblies.

Abstract: A mechanism is described for incorporating into a clamping workbench of the type comprising a pair of main clamping jaws (234, 237) and a supplementary clamping jaw (230) which is movable as a consequence of relative movement of the main jaws to engage and clamp a workpiece lying across the main jaws. The clamping movement of the supplementary jaw (230) is generally perpendicular to that of the main jaws. The invention concerns a supplementary jaw (230) having a single actuating arm (238), one end of which is adapted to be pivotally received in an opening (246) in one of the main jaws (237), and the other end of which is slidably connected to the supplementary jaw (230) and held captive therein by pin means (304, 306) extending above and below the captive end of the arm (238).

Abstract: Supplementary jaw means is described for fitting to a clamping workbench transversely to the main jaws thereof at a position spaced from stop means at the other end of the main jaws, whereby operation of the drive means which moves the main jaws towards or away from each other will increase the distance between the supplementary jaw means and the stop means when operated in one sense, and will decrease the distance therebetween when operated in the other sense. A clamping workbench may be fitted with one supplementary clamping jaw means and a fixed stop for clamping a workpiece therebetween above the main clamping jaws.

Abstract: An electroplating rack includes a cathode flight bar from which depends an insulated rack bar over an acid bath. A clamp is fixed to the rack bar, and has a bridge electrically connected to the flight bar through a conducting core inside the insulated rack bar. The clamp has a main body made of plastic, which includes a slot in which protrudes the bridge. An electrically conducting spring clip is installed in the slot, and is formed of two arms continuously biased into a spreaded, opened condition in the slot. A screw carried by the main body, when rotated in a first direction, can force the spring clip into a closed condition, in which it can hold an article to be electroplated between its two arms, and in which one of the spring clip arms is forced against the bridge member. Thus, electrical current can pass through the rack flight bar and conducting core, then through the bridge member, the spring clip and finally into the article to be electroplated.

Abstract: A punching machine includes a body frame having a table to support a workpiece. First and second work movement positioning apparatuses are mounted at both sides to move and position the workpiece in a direction of axis X. A work head is mounted on the body frame and has a ram and a tool. The work head moves on the body frame in a direction of axis Y, which is perpendicular to axis X. The first and second work movement positioning apparatuses are arranged in series in the direction of axis X. The workpiece is clamped by the first positioning apparatus, moved in the direction of axis X, punched, clamped by the second positioning apparatus, unclamped by the first positioning apparatus, and moved further in the direction of axis X.

Abstract: A holding device which wedges against the side of a workpiece to provide unencumbered access during machining operations. The jaws of the device are thick enough to be contoured to the shape of the workpiece for a firmer hold. A clamping brace is provided to immobilize the jaws during their machining.

Abstract: A vice jaw assembly mounted upon a precision machining piece of equipment, the equipment including a platform accessible by a machining tool. The vice assembly includes a base which is fixedly secured upon the platform and first and second spaced apart jaw members which are in turn mounted upon the base. A crank mechanism is employed for actuating at least one of the jaw members in directions towards and away from each other. First and second spacer blocks are secured to the first and second jaw members, respectively, by mounting bolts which extend through aligned apertures between the spacer blocks and jaw members. A mounting pin secures to the first spacer block and extends through an aperture in the second spaced apart spacer block. Additional intermediate and floating spacer blocks are arrayed at predetermined locations between the first and second spacer blocks and each includes an additional aperture formed therethrough which receives in inserting fashion the mounting pin.

Abstract: The instant invention is a dual clamping apparatus consisting of a three sided clampstand component, one left handed screw bolt and one right handed screw bolt, a bi-threaded barrel component held by the screw bolts insertable each through hexagonally shaped holes in the lateral sides of the clampstand, the barrel component having a horizontally inclined through hole centered therein from side to side, half of which is marked by the presence of right handed threading and half of which is marked by the presence of left hand threading for receipt of the screw bolts as well as having a plurality of closed lever holes within its outer surface for receipt of a lever to turn the barrel component through an angle causing movement outward or inward as the case may be of the inserted screw bolts and further with each screw bolt having a closed, threaded hole in the head of each for receipt of an extension screw component fitted with a threaded extension screw nut component with a pair of tapped holes in the base of th

Abstract: A multi-station, single action high precision mechanical vise for simultaneously clamping at least two work pieces with high dimensional stability and high holding forces. The multi-station work piece holder is used to hold a set of work pieces, so that sets of machining operations can be performed on the work pieces using the same tool, reducing the number of work tool change-outs needed when producing a large number of machined pieces.

Abstract: A wedge workholding clamp has a clamp body that is adapted for mounting onto a table and is used for holding various objects, and specifically for holding piece parts in machining. The clamp body slidably mounts a movable jaw that is actuated with a wedge using a clamping screw. When a single jaw is actuated, the clamp body has one reaction surface that is square with the direction of clamping and parallel to the axis of the screw. The wedge has an end surface that engages and moves along the reaction surface of the clamp body as the wedge is tightened so there are no bending loads on the screw. The wedge also has a wedge surface that engages a surface of the movable jaw and which acts to move the movable jaw from a released position to a position clamping a workpiece.

Abstract: A clamping tool for removing the gap between and temporarily clamping workpieces together for subsequent fastening and having a cable actuated toggle member for engagement with one side of the workpieces and a nut member engageable with the opposite side of the workpieces.

Abstract: ICs with leadframes can be efficiently transferred, stocked and positioned without the need for preparing jigs for each kind of IC.A cassette 4 accommodating a stack of ICs is inserted into a cassette space 35 and held in the center thereof. A moving table 9 is driven to move by a servomotor 21. A lifting member 67 of an IC lifting mechanism 60 raises the ICs in the cassette 4 from the bottom by an amount corresponding to the thickness of one IC at a time. A pulling-over device 70, which is disposed above the cassette space 35, centers the IC in both the lateral and longitudinal directions to thereby effect positioning.

Abstract: A liquid level monitoring system for underground storage tanks includes a submersible monitoring pipe system having telescoping sections that are biased to an extended position enabling the pipe to be self-retained within the tank between its upper and lower walls adjacent to and offset axially from a selected access opening in the tank, such as the discharge opening which normally accommodates the pump for the tank. The pipe system houses an electronic level sensor which is coupled to an above ground control system via conductor wires. An elongate accessing member having an openable and closable clamp jaw assembly for gripping the pipe system and disposing it in a compressed condition within the tank offset from the riser opening is provided as a part of the system.

Abstract: A method and apparatus for electron or laser beam welding of semiconductor subassemblies to larger terminal members, without exposing semiconductor chips in such subassemblies to detrimental welding "flash".

Abstract: The present invention relates to the simultaneous duplication of both the bit notch pattern and shoulder position of a master key onto a key blank. The key blank is longitudinally and laterally aligned relative to a key cutter. A master key is longitudinally and laterally aligned relative to a key follower. The key follower is then longitudinally and laterally displaced relative to the master key to trace the contour of the key master. The key cutter is simultaneously displaced relative to the key blank in an identical manner to reproduce the traced contour of the master key on the key blank and to longitudinally reposition the key blank shoulder to coincide with the relative longitudinal location of the master key shoulder by cutting away a portion of the shank to reduce the length of the shank.