Abstract: A vise having a fixed jaw on a body which has a base secured to a work surface and may be rotated through 180.degree.. The body has a guide slot formed therein and a movable jaw is slidably received in the guide slot. A guide rod is disposed through an opening in the movable jaw and is threadably received in an upright lug secured to the base for movement of the movable jaw. A positioning nut is keyed to the threaded guide rod and secures the movable jaw to the guide rod. The vise has clamp claws on the inner and outer sides of the fixed and movable jaws so that the vise can exert force in both directions. The workpiece may be clamped between the inner side of the jaws and the jaws may be adjustably disposed within the workpiece to secure the workpiece about the outer side of the jaws. The end of the movable jaw which extends through the body has a notched slot therein and there is also a notched recess in the body of the vise.

Abstract: A moving optical fiber (10) is guided in its motion by an annular guide apparatus (40) which receives the optical fiber (10) within an inner bore (66) and stabilizes its transverse position as it moves longitudinally. The guide (40) has a plurality of gas jets extending into the inner bore (66) that create a cushion of gas to maintain the position of the optical fiber (10) in the center of the bore (66), without the need for any physical contact between the bore (66) and the optical fiber (10). The annular guide (40) is preferably formed from a housing (42) that defines a gas plenum (74) and a flow control plate (52) that fits to the housing (42) and has circumferentially spaced, radially extending gas flow passages (54) etched therein. A gas flow introduced into the plenum (74) from an external source is distributed to the gas flow passages (54) and thence to the inner bore (66) to prevent the optical fiber (10) from physically contacting the guide (40).

Abstract: An eyeglass frame holder is provided in the form of a variable contour vice. The vice incorporates a series of parallel slideable jaw elements in two banks that may be locked in position by a single wedge clamp which forces a pair of thrust elements outward to frictionally lock the two banks of jaw elements.

Abstract: A tool to aid in the removal of an impeller from its respective shaft. The tool has two arms. One of the arms has gripping means in which the impeller vane is placed. The other arm has a hole through it so that the tool may be affixed to a rigid structure such as the pump impeller housing. The attachment of the tool of the present invention to a rigid structure allows the impeller to be fixed in position so that any rotary motion of the shaft does not cause the impeller to move.

Abstract: A bar stock support comprises a tubular member with resilient means extending radially inwardly from the inner wall of said tubular member toward the major axis of said tubular member to define a generally cylindrical channel having a diameter smaller than at least the largest cross-section dimension of the smallest said bar stock to be supported, so that at least some of said resilient means is deformed by said bar stock. Said resilient means has sufficient resistance when deformed to support said bar stock generally concentrically within said tubular member and to resist movement of said bar stock radially within said bar stock support. In a preferred embodiment, said resilient member comprises a helix of bristles disposed within said tubular member.

Abstract: A rack, in particular for making up faggots, cutting logs, etc.

Abstract: A clamp encircles the outer rim of an out-of-round tubular pipe to reform the cross-section of same into one that is substantially round, the clamp including a ring frame, a plurality of pivotally mounted roller assemblies each having a roller to engage the pipe rim, and drive means for pivoting the roller assemblies such that the rollers simultaneously rotate to contract radially inwardly or outwardly relative to a circle defining the locus of pivot axes, the rollers describing first and second circles and being adapted to close into a circle having a diameter sized to engage the pipe, when inserted therein. The clamp can include multiple sets of separately adjustable roller assemblies.

Abstract: A self-aligning post cutting jig comprising four elongate cutting guide members each having fasteners at opposing ends thereof for securing the guide members together in a closed four-sided jig for placement on a post. The fastener is adapted to provide a first securement mode wherein the ends of the guide members are spaced-apart to facilitate placement onto a post and a second securement mode wherein the ends of the guide member are brought into contact with the post so as to provided square and true cutting guide thereon.

Abstract: A work-holding implement for use in honing or otherwise machining the inner surface of a bore in a workpiece comprises a torsion-carrying spring band coil mounted at one end of a handle. Most of the inwardly exposed surface of the innermost turn of the coil is a gripping surface, while the remaining turns in the coil have smooth bearing surfaces. A workpiece is gripped by the innermost turn, and as an interior bore in the workpiece is being honed or otherwise machined, rotational torques exerted on the workpiece by the machine tool cause the coil to become more tightly wound around the workpiece. As the workpiece is being worked on, the tightened coil bears against a planar segment of the spring band forming part of the implement and deforms it into a curved surface conforming to the workpiece surface over which contact is made.

Abstract: A clamping device for holding cylindrical workpieces having a nominal radius R which varies from a minimum of (R-A) to a maximum of (R+B), where A and B are the limits of the tolerance range for the nominal radius. The clamping device includes opposed clamp halves each having a clamp face adapted to be moved toward and away from one another and each of the clamp halves carrying a rigid collet element adapted to engage on opposite sides of cylindrical workpieces when the clamp halves are moved toward one another. According to the disclosure, each of the collet elements has a semi-cylindrical clamping surface extending inwardly from the clamp face of the respective clamp half. Each semi-cylindrical clamping surface has a radius substantially equal to R+B) with the center of the radius being offset outwardly of the clamp face of the respective clamp half an amount at least equal to (A+B).

Abstract: A vial holder for a septum closed vial is disclosed which vial holder enables automated vial insertion to and withdrawal from puncturing hypodermics for the removal of contents or the communication of electrodes to liquids within the sealed vial. The vial--a commercial item of manufacture--includes a cylindrical glass body closed at the bottom and terminating upwardly at a narrowed neck to an opening. The opening accommodates both a septum and a septum retaining cap. A vial holder having an inside vial containing cavity with inside dimension complementary to the outside dimension of the vial is disclosed. This vial holder is formed from elastic material such as semirigid commercially available plastics and is vertically slotted from an open top at least partially to and towards the bottom of the holder. The vial holder is provided at the open top with inwardly extending fingers which register to the outside of the narrow neck of the septum sealed vial.

Abstract: A workpiece receiving and positioning device is disclosed which, in combination with a clamp member, holds a workpiece in a selected orientation relative to a slotted machine tool table surface or the like for milling or machining the workpiece. The device includes a main body portion, a block portion with opposed side faces extending from the body portion, thereby forming a recess therebetween for receiving the workpiece, and a base portion depending from the body portion and engagable with the slots in the table surface. Fasteners are provided to secure the base portion within the slots, and the clamp member includes a fasteners disposed in opposing relationship with the opposed side faces for holding the workpiece against the opposed side faces.

Abstract: For use in a machine capable of forming integrated circuits or the like on an odd-shaped, odd-sized semiconductor wafer, an improved chuck assembly, for increasing the rotational adjustment capabilities of the chuck assembly and a semiconductor wafer supported thereon. The chuck assembly comprises a mounting ring having a circular configuration formed of a plate and a peripheral wall forming a circular recess extending from a surface of the mounting ring. The chuck assembly also comprises a chuck plate having a circular configuration adapted to be received within the recess of the mounting ring. A lever extends radially from one edge of the chuck plate through an opening in the side wall of the mounting ring. An adjusting bracket is secured to the exterior edge of the mounting ring.

Abstract: A bending machine comprises a plurality of bending units arranged to make bends in a common plane. The bending units are adjustably mounted to adjust the separation thereof in the common plane. Apparatus for holding and turning a workpiece about a predetermined axis is mounted between the bending units so that the predetermined axis is aligned or alignable with the common plane. The apparatus comprises a plurality of jaw members rotatable in unison about the predetermined axis. Each jaw member is axially open ended, has a central socket and a mouth extending from said socket to interrupt the periphery of the jaw member. The jaw members are interconnected and mounted to rotate in unison about the predetermined axis when at least one thereof is driven by a driving mechanism.

Abstract: An apparatus and method for assembly and disassembly of interchangeable surgical acoustic members includes a fixture for securing by a key a handpiece to which a tip and/or extender is attached. A torquing wrench has a tightening head and an untightening head on the same body, wherein the tightening head permits torquing of the tip and/or extender to a predetermined tightening torque in cooperation with a socket having a central bore therethrough so that the wrench and socket may be slid over an axially elongated combination and used at a point intermediate along the length thereof. In use, the handpiece is secured in the handpiece fixture and receives the tip and/or extender in a handtightened condition to be torqued to a predetermined limit by the torquing wrench while secured against rotation in the handpiece fixture. A table support structure for supporting a handpiece fixture for an alternative operation is also disclosed.

Abstract: This is an improvement on a C-type clamp. Its features are: on one end or both ends of a clamp body that has (1) multiple directioned connecting threaded holes; (2) attach many threaded bars that will be used to clamp a small cubic object which has several different surfaces; (3) a middle connecting bar that has several threaded bars can be jointed to two ends of a C-type clamp body which may expand outward or expand inward, enabling to clamp far aparted supporting points or to clamp object that has variety of crooked clamping points.One step forward, both ends of a C-type clamp body has position adjustable receiving bars in a zigzag shape and one or several threaded bars can be inserted into it; or on one end or both two ends of a C-type clamp, several connecting bars are jointed together in a terrace shape which can be expanded like a fan and adjust the position of each connecting bar. These several threaded bars can clamp several points on the different vertical surfaces of a circle.

Abstract: A device for holding and handling a flat object, which can be a work piece to be machined or a tool for the same purpose, comprises a fixed clamp and a movable clamp which clamp the object therebetween. The device further includes a closed, rectangular, flat frame, whose one side is designed as the fixed clamp. The movable clamp can be introduced from outside into the frame and moved between the guides in the same. The movable clamp is provided with an arrangement for its fastening in the frame and is clampable against the flat object. On the side opposite to the fixed clamp of the frame there is provided at least one clamping device acting upon the movable clamp. The device allows clamping without a play and stack of the flat object. It is especially suited for precision machining in one or several successive machining operations, the pre-set machining position of the object being preserved during processing.

Abstract: An apparatus includes a lower ring member having a frusto-conical upper surface over which the sclera of the cornea to be transplanted is placed. An upper ring member is also included. Both ring members have registrable openings of a size such that only an annular portion of the sclera outwardly of the cornea is clamped when wing nuts are tightened on a number of threaded studs pivotally attached to the lower ring member. In this way enough clamping pressure can be exerted on the sclera to prevent flow of fluid therethrough into the corneal stroma.

Abstract: A fixture and method for mounting one or more optic fibers and attached ferrule assemblies transverse to an abrasive surface. The fixture includes a holder plate (12) having one or more boreholes (14) disposed in axial alignment adjacent a peripheral edge of the plate and connected thereto by laterally extending slots (16). An upper portion (18) of the boreholes is relatively smaller in diameter than a lower portion (20). The optical fiber (26) and ferrule assembly (28) is slid into the borehole through the slot, seated in place, and retained therein by a retainer plate (22) having an aligned borehole through which an end of the ferrule assembly extends. The helical coil spring (32) provides a bias force to urge the ferrule assembly (28) against the abrasive surface.

Abstract: A clamp to axially hold small coaxial cable (10) of a type having a soft dielectric core (16) includes a rigid element (30) having a groove (32) to receive the cable laid therein and an elastomeric element (4) having a projection (42) shaped to fit partially around the cable and along the length thereof and be compressed to preclude movement of said cable axially while minimizing cable core deformation to allow the cable to be worked upon relative to stripping and termination. A method using clamps fore and aft of stripping blades (50-52) clamped on the cable embraces holding the cable and the blades stationary while moving one clamp (30M-42M) axially to remove the cable sheath and foil.

Abstract: Apparatus for applying a label to the back of each of a number of computer cartridges seated in a container, including a slotted label stripping plate hinged to the container pivotable to position a separate slot over each cartridge, a sheet of labels to be seated on the stripping plate with a separate label over each slot, a manipulative plate for pressing the seated cartridges against loose movement, and a pressure mask plate hinged to the container adapted to be pivoted to press the labels through the slots onto the backs of the cartridges.

Abstract: A container holder capable of holding various containers, such as bottles and cans, comprises a deformable container-holding member made from a plastic material, a holding frame, and an adapter plate. The central portion of the holding member is divided into several tongues, and a central hole surrouded by these tongues is formed. The holding member is sandwiched between the adapter plate and the holding frame. Depending on the kind of the container held by this holder, the adapter plate is replaced with another adapter plate. Also disclosed is a container carrier in which container holders as described above are detachably mounted. An apparatus for handling containers using this container holder comprises mechanisms for performing these handling operations and conveying the container carrier between stations for the handling operations while the containers are received in the container holder.

Abstract: An improved vise has two sets of clamping jaws. Two fixed jaws are on a fixed body and two sliding jaws are supported by a sliding body and driven simultaneously in the same direction by one threaded shaft. Each sliding jaw is paired with a fixed jaw and the fixed jaws are located between the sliding jaws. Each pair of jaws may be located in a different plane from the other pair of jaws. The second jaw pair includes a sliding jaw formed as a circumferential jaw in a horizontal plane permitting an object to be clamped vertically. Further, a third sliding jaw/fixed jaw pair may be located adjacent to the first jaw pair and may include a multiple-stepped pipe clamp claw capable of clamping pipe of various diameters. In a second embodiment, the sliding jaws are located between the fixed jaws.

Abstract: A coaxial collect truck is disclosed having at least two clamping jaws which are radially adjustable by a respective chuck lever, whereby every chuck lever is connected to a respective stationary base part at one end by a first spring joint and is connected to a set collar at its other end by a second spring joint. The set collar is capable of engaging and releasing the clamping jaws by being rotatably seated at the base part by a respective third spring joint. Coaxial clamping in the sub-micrometer range is thereby achieved for precision round parts, particularly of plug pins for the releasable connection of optical fibers of light waveguides, whereby all chuck levers, base parts, first, second and third spring joints as well as the set collar are fashioned of one piece from a common plate.

Abstract: An apparatus for clamping non-rotating work pieces which have an elongate portion or an elongate shank with polygonal, preferably square cross section, comprising a clamping body member with a hollow clamping chamber provided therein, which has a corresponding polygonal cross section. The chamber has at least one opening through which the work piece may be inserted. Clamping members are provided to clampingly fix the work piece in the clamping chamber. To define the position of the work piece at least in X- and Y-direction as well as with regard to its angular orientation, the clamping chamber is provided with a first web and a second web each projecting from a first inner side wall towards the interior of the clamping chamber and arranged in a certain distance from each other, and a third web projecting from a second, adjacent inner side wall towards the interior of the clamping chamber.

Abstract: A teaching apparatus for teaching how to take measurements to connect two pieces of pipe whether or not such pieces are offset from each other or in a straight line. The apparatus includes a main support, an upstanding post laterally movable on the main support, a first pipe section holder on the post selectively movable vertically therealong and a sub-support spaced from the main support having an upstanding flange member laterally movable on the sub-support having a second pipe section holder thereon angularly adjustable with respect to the flange member on the sub-support. The pipe section holders can be used to clamp a pipe section therein and adjusted to set up a predetermined spacing and angular relationship between the unconnected pipe sections. The angularity of the main support and the sub-support in their horizontal planes can also be adjusted. In this manner, the apparatus can be used to teach the interconnection of the pipe sections or to actually determine the proper coupling therebetween.

Abstract: A system and methods for handling semiconductor wafers and dummy wafers in semiconductor process equipment such as an ion implanter. Tray assemblies are provided, each of which is adapted for releasably holding and automatically aligning a standard semiconductor wafer cassette next to a dedicated dummy-wafer cassette. The dummy wafers are used to complete a full load of wafers when there are insufficient wafers in the standard cassette. The trays are mounted on the paddles of a load lock carousel, which indexes the trays to an unloading/loading station. There, an indexer assembly picks up and indexes the tray so that the standard and dummy wafers can be selectively lifted by a vertical transport mechanism to a pivotal wafer chuck for transfer into the process equipment.

Abstract: The packing print for receiving in particular component parts (2-7) of a timing gear of a heat engine provided with a camshaft and a crankshaft, comprises cavities (2a, 3a, 4a, 5a) adapted to receive the component parts (2-7), in particular a camshaft wheel (2), a crankshaft pinion (3), a tension-producing device (5) and a guiding device (7) for a transmission chain (4) or belt associated with the pinion (3) and the wheel (2), these cavities being so arranged that the component parts (2-7) received therein are pre-positioned and pre-oriented with respect to one another in the exact positions they must occupy on the engine so as to permit the mounting of the component parts simultaneously on the engine. This print permits carrying out the mounting very rapidly with no risk of error in the positioning of the component parts.

Abstract: An easily replaceable collet assembly for use in a movable pallet containing a plurality of stations for releasably gripping and rotating a plurality of resin preforms as they are moved through a blow molding process for providing rapid reconfiguration of the stations to accept different sized preforms. There is a mounting member carried by the pallet for rotation, the mounting member comprising a mounting plate perpendicular to a rotatable shaft connecting it to the pallet; a locking member carried by the mounting member for rotation about the shaft; and, a collet member for releasably gripping a preform of a given size, the collet member including locking apparatus for interacting with the locking member to releasably attach the collet member to the mounting plate to be moved in combination therewith.

Abstract: A cassette which retains a plurality of stacked resin sheets is loaded on a retaining member of a driving device. A plurality of press-heating stations and a number of cooling stations which is smaller than the number of press-heating stations are disposed around the driving device, and the retaining member is sequentially sent to each of the stations by means of the driving device. In each press-heating station, each of the resin sheets in the cassette retained by the retaining member is thermowelded, and the press-heated resin sheets are cooled in the cooling station. The cassette comprises a cassette body for accommodating a plurality of stacked resin sheets, and a pressing plate brought into contact with the stacked resin sheets so as to press them by means of a resilient member such as a coned disk spring. Thus, the resin sheets are moved from one press-heating station to another while being maintained in a pressed state.

Abstract: A grid assembly fixture for use in assembling grid straps to form a grid comprises a generally flat plate having first and second sets of parallel grooves, with the grooves of the sets at right angles. A retention strap comprises first and second pairs of bars, the bars of each pair hinged together adjacent their ends, and releasable joining elements for joining the pair of bars.A method of assembling the grid straps includes positioning a first set of straps in a grid assembly fixture, positioning a second set of straps at right angles to the first set to form a grid, placing outer straps on the grid, and placing a retention strap on the outer straps.

Abstract: A stand to be used when cleaning a muzzle loading rifle or a muzzle loading shotgun. It consists of a large, stable base with an upright member attached to it, and with a barrel receiving mechanism attached to the top of said upright member. The stand will then securely support the gun barrel in a vertical or near vertical position which greatly facilitates the cleaning operation. The stand is also designed to be easily collapsible to a significantly more compact form for storage.

Abstract: An apparatus for supporting the walls of appliances and the like during foaming. The apparatus includes a support bed for supporting an appliance or the like during foaming and at least a pair of side support panels which are movable between a retracted position and a foaming position in which they are in supporting engagement with corresponding exterior surfaces of a pair of appliance walls. The apparatus also includes a plug assembly having a plurality of plugs which are selectively positionable for connection with a plug carrier for insertion of the selected plug into the interior of the appliance for foaming and the withdrawal of the plug from the appliance after foaming.

Abstract: A retention collar rigidly attaches to a missile guidance assembly, and a transport cart lifts, supports, transports, and lowers the retention collar and thereby a retained assembly. The retention collar comprises a pair of trunnions for attachment to a workpiece, such as a missile guidance assembly, and for positioning on opposite sides of the workpiece. The transport cart includes a movable base with a frame attached thereto. The frame includes left and right side frame members which support a pair of rotatable bearing members so positioned to engage a corresponding one of the retention collar trunnions. A slot in each bearing member engages a collar trunnion. The slots include a bearing position at which the trunnion is held and which is raised or lowered by rotating the bearing member. The trunnions may also be rotated while at the bearing position. A frame/bearing locking pin selectively prevents rotation relative to the frame of the rotatable bearing member.

Abstract: An apparatus for providing and maintaining the alignment between a fiber and a device during the bonding of the fiber to the device and the subsequent assembly of a housing thereover is disclosed. The apparatus comprises a base, including means for holding the device, adjustably connected to a first support. A lower fiber holding means is attached to the first support such that it extends over the device holding means. An upper fiber holding means is attached to a second support which extends over the lower holding means. Means are also provided for securing the device housing above the lower fiber holding means.

Abstract: A device for locating and orienting objects at a precise location includes a lever pivoted to a fixed support. The lever supports a first urging member arranged at a first preselected distance from the pivot axis. A second urging member is pivoted to the lever at a second predetermined distance from the pivot axis. Pivoting of the lever causes the urging members to urge the object into the desired precise location and orientation.

Abstract: A pipe clamp for use in welding together a pair of pipe sections having confronting ends adjacent one another comprises arcuate jaws together forming a generally circular body of such diameter as to encircle the pipes with adjacent ends of the jaws spaced by a gap. A force generating jack is carried by one of the jaws adjacent the gap and has a radially reciprocable member to which is secured one end of a flexible force transmitting member which spans the gap and has its other end secured to the other jaw. The force transmitting member is trained around a force conversion member carried by the one jaw which converts radial force to circumferential force enabling the gap to be closed. The jaws are provided with cooperable guides to maintain those ends of the jaws adjacent the gap in circumferential alignment.

Abstract: An improved adjustable candleholder (10) that allows candles of various diameters to be secured within the candleholder. The candleholder (10) is comprised of a base assembly (12) having an upper section (12a) and a lower section (12g), and a candleholder mechanism (14) that is secured within the upper section (12a). The mechanism comprises a pinion gear (17c) that operates three rack gears (16b) that include a vertical clamping segment (16d). The segments expand and retract to increase or decrease the clamping diameter. To operate, the lower section (12g) is held stationary while the upper section (12a) is rotated to increase the clamping diameter of the mechanism. A candle is then inserted and the upper section is counter-rotated until the clamping segments (16d) grip and secures the candle. An adjustable candleholder mechanism insert (50) is also disclosed that operates independently from the candleholder base.

Abstract: An adaptor for securing an elongated workpiece, such as an elongated pin, in a workpiece fixture is disclosed, wherein the adaptor is adjustable for repositioning the workpiece to facilitate a machining operation thereon. The adaptor includes a holding assembly for holding a workpiece in the adaptor and a securing assembly for securing the holding assembly in a workpiece fixture so that the workpiece and the holding assembly are repositionable with respect to the fixture. In a first embodiment of the adaptor, the securing assembly is operable for repositioning the holding assembly in a horizontal direction which is substantially perpendicular to the longitudinal extent of the workpiece, whereas in a second embodiment of the adaptor the securing assembly is operable for repositioning the holding assembly in both horizontal and vertical directions.

Abstract: A fixture apparatus for forming a board on board fence or similar article comprises two angle frame sections which are pivotally secured to a base section. Each frame section can accommodate boards which are arranged in the vertical plane and also include means for accommodating stringers which are arranged horizontally and overlie the vertical boards. The frames can be moved in a first closed position where the stringers are emplaced between the boards and, in this position, are nailed to the boards. In a second open position the frames are moved in a V-shaped configuration. The nailed board and stringer assembly is held in the vertical position by means of a holding bar attached to a vertical beam emanating from the base. The fixture also includes an exit bar associated with a series of rollers to allow the completed assembly to be rolled from the fixture.

Abstract: The invention provides a clamping apparatus, particularly for receiving and clampingly retaining electrode body blanks having prismatic or circular cross section for erosive machining devices. A clamping block has at one of its surfaces an essentially centrally arranged clamping chamber to receive the electrode. Two adjacent walls of the clamping chamber are provided with clamping screws protruding into the clamping chamber. An approximately central position of the workpiece in the clamping chamber is achieved by the provision of distance plates with preselectable thickness, which are inserted into the clamping chamber between two walls thereof and the surface of the workpiece, before the workpiece is clamped by tightening the clamping screws. This clamping apparatus is inexpensive and rugged, so that the electrode, once machined and used, respectively, may always remain clamped and therefore may be used again with a very high precision as far as its position is concerned.

Abstract: An apparatus for in-situ crankshaft reconditioning includes a bracket connectable to the crank webs of crankshafts of a variety of sizes and configurations. The bracket includes a set of adjustably spaced, two contact point corners which are in turn connected to a set of four spaced vertical posts. The elevation of the corners with respect to the posts is adjustable. A pair of axially spaced apart annular rings are slideably connectable to the vertical posts so that their position in a direction transverse to the length of the crankshaft may be adjusted. A pair of orbital wheels are mounted on the annular rings and the precise positioning of the wheels with respect to the rings is manually adjustable through cam members. A mounting bracket carrying a machining head rotates with the wheels. The position of the machining head is adjustable in at least two dimensions with respect to the position of the orbital wheels.

Abstract: A molecular beam epitaxy system wherein the molybdenum substrate holder and the molybdenum ring which assembles to the substrate holder to hold the wafer are kept in vacuum essentially all the time. Wafers are not pre-mounted to substrate holders, but the wafer mounting step is performed in ultrahigh vacuum after a cassette of wafers has already been loaded and outgassed, under ultrahigh vacuum. Thus, the substrate holder can be outgassed separately at high temperatures, and can remain under high vacuum.

Abstract: A method for determining the quality of metal coatings of hole units in a circuit board. Well centered hole units are punched and secured in a container provided with grooves, said holes being aligned, whereafter the container is filled with material for moulding-in the hole units. Thereafter the hole units and filling material are milled down to alignment with the centers of the holes, and the material is milled down additionally around the holes so that the hole unit centers have raised portions. The raised portions comprising the hole plating are thereafter ground and the latter can be examined. The invention also concerns apparatus for performing the above-mentioned method.

Abstract: A method for assembling an enclosed type compressor is disclosed, wherein the compressor comprises an electric motor and a compressor pump directly coupled with the electric motor, both enclosed in a casing. A center-adjusting plate having a through hole at the center is provided between the electric motor and the compressor pump. The center-adjusting plate is disposed perpendicular to the central axis of the internal surface of the stator of the electric motor. The rotor of the electric motor is coupled with the compressor pump and the combination thus obtained is secured to the center-adjusting plate in a manner such that the central axes of the rotor and the internal surface of the stator are aligned with each other. The stator can be secured to the internal surface of the casing in a force fit, shrink fit and the like manner. The center adjusting plate can be secured to the casing by laser welding.

Abstract: A tool for the alignment of plastic pipes to be joined by fusion, particularly pipes which have a memory of being curved, comprises a base carrying a fixed clamp at or near one end thereof, such clamp being circular and having a center point, the base having a longitudinal slot therein aligned with the center point, such slot being provided to receive a pair of movable clamps of the same general design as the fixed clamp but which are positionable along the slot with their center points co-linear with the center point of the fixed clamp, the movable and fixed clamps having a gripping diameter such that they snugly engage the pipes to be fused when such pipes are in the clamps and the clamps are in their closed positions; but the movable clamps being longitudinally adjustable, as indicated, to produce alignment and contiguity of the ends of two plastic pipes to be joined by fusion.

Abstract: A sawing trestle for elongate wooden bodies comprises a single, upwardly extending frame part and two V-shaped members spaced apart by about ten centimeters. The two belts are provided for clamping the elongate bodies on the V-shaped members. The belts each have one end attachable to the frame part and a second end connected to a stretching member so that the belts can extend between ends of the V-shaped members and be stretched around the elongate bodies.

Abstract: A mechanical wood splitter comprises a weighted cutter which is raised on a support column by means of a winch and cable drive, and then allowed to drop, in order to split a log of wood positioned thereunder into segments, by uncoupling the winch drum from a drive shaft through a clutch mechanism. The cutter has a cruciform blade arrangement and can be rotated through 45.degree. so that, a log may be split into four segments using a single pass of the cutter or into eight segments using a double pass and rotating the cutter blades between the passes. The apparatus further includes a resilient log gripping assembly for positioning the log under the cutter and accommodating the impact of the cutter with consequential expansion of the log.

Abstract: A doffing/donning apparatus is used in combination with a row of winders each of which winds filamentary material upon a tube carried by a rotary spindle of the winder to form a package. The apparatus comprises a carrier mounted for movement generally parallel to and above the row of winders. A column is mounted on the carrier for horizontal movement. A package exchange arm is mounted on the column for up-and-down movement and is alignable with the winder spindle so that the package can be transferred to the package exchange arm. A tube exchange arm is mounted on the column for up-and-down movement and is alignable with the spindle so that a tube on the tube exchange arm can be transferred to the spindle. A shuttle is spaced horizontally from and vertically above the row of winders, and includes a package transfer arm and a tube transfer arm. The package exchange and tube exchange arms are moved along the column to the level of the shuttle.

Abstract: Wood clamp apparatus for preventing the bowing of wood stock during the process of joining a plurality of wood strips including an underlying support for supporting a plurality of longitudinally extending strips of wood which are supported thereon, a pair of clamping blocks, and mechanism mounting one of the clamping blocks for movement toward and away from the other of the clamping blocks to exert edgewise pressure on the strips and clamp the plurality of board strips therebetween, and anti-bowing mechanism for precluding the upward bowing of the strips out of the plane of the strips, when the clamping blocks are in the clamping position, including laterally extending hold-down mechanism spanning the upper surfaces of the strips, and mechanism coupled to the clamps for vertically moving the hold-down mechanism between a raised position for vertically moving the clamping mechanism between a raised inoperative position and a lowered strip-clamping position, for exerting downward pressure on the strips to clamp