Abstract: A slide fastener chain has a plurality of spaced separating regions along which the slide fastener chain can be separated or torn to slide fastener lengths one after another by hand without a cutting device. Each separating region extends transversely across the fastener chain and is at least partially thinned or recessed by fusing the thermoplastic synthetic materials of the fastener stringers at the prospective separating region.

Abstract: Device for forming a thread crossing or lease in a textile machine, including a first comb being disposed in the path of the threads and having laminations defining interstices therebetween, a second comb being disposed obliquely relative to the first comb and having laminations defining interstices therebetween and tips on the laminations, the tips of the laminations of the second comb being engageable with equal distribution into the interstices of the first comb, every other interstice of the second comb being partially filled in providing alternately long and short interstices being open at the top thereof, and the combs being slideable relative to each other when engaged, and a method of operating the device.

Abstract: A method of mechanically joining tubes to headers in tubular heat exchangers of a high density, high performance type. The headers are made of a heat recoverable metallic material and worked while in a martensitic state to be subsequently shrunk upon installed tubes. Procedural steps are carried out with particular regard to a header construction characterized by a multiplicity of closely spaced apart tube accommodating holes separated by relatively narrow ligaments in which working stresses are to be absorbed.

Abstract: A method of forming a one piece vehicle wheel is disclosed which method includes the steps of initially forging a rough vehicle wheel shape which is then subjected to a series of spinning operations to contour the rim portion thereof. Part of the final contouring of the rim portion of the wheel is performed without mandrel backing and the entire final contouring is performed after a solution heat treatment thereof in order to assure accurate formation thereof. Additionally, if desired, final machining and/or trimming operations may be performed without removing the wheel from the final contouring apparatus.

Abstract: A tire tool for inserting a valve stem in a wheel and holding the valve stem in place during the tire inflation operations. The tool includes a body which is threaded onto the valve stem and has an air passage through which air is passed during tire inflation operations. A handle is pivotably attached to the body for movement into engagement with the rim of the wheel to apply leverage on the body for valve stem insertion and holding purposes. The tool further includes a releasable locking device which holds the body in alignment with the handle to facilitate threaded attachment of the body to the valve stem.

Abstract: Apparatus for inserting conventional pile weatherstripping, for example, into a T-slot in an object includes a member which slides longitudinally relative to the object along the T-slot and is guided so as to remain fixed laterally with respect to the object during relative longitudinal movement. A guideway for the weatherstrip extends through the member and is inclined downwardly towards an exit adjacent the T-slot. The guideway also is angled relative to the T-slot to hold the backing of the pile weatherstrip at an angle at which one of the flanges of the backing can move into the groove of the T-slot through the T-slot opening. A finger, presser wheel or the like located upstream from the guideway exit extends into the T-slot through the T-slot opening and engages with the other of the flanges of the pile weatherstrip to move the other of the flanges into the T-slot groove through the T-slot opening.

Abstract: A power-driven insertion tool for a helically coiled wire insert of the type used for tapped holes in parent material that is generally softer than a fastener being screwed into the tapped hole, whereby a mandrel having a threaded lead portion and a pivotal pawl inserted in a groove below the threaded portion so that the pawl engages a recess of the insert, in order that the insert may be screwed into the tapped hole. A sleeve, concentric to the threaded mandrel, maintains the insert's helix angle for a smooth transition into the tapped hole. An adjusting nut adjusts the depth to which an insert may be installed and whereby a free spinning bearing contacts the parent material and automatically reverses the torque of the tool.

Abstract: A hanger apparatus for suspending an upright inner pipe from an outer pipe including a pair of load-bearing rings interposed between the two pipes. The inner and outer pipes have opposed frustoconical load-bearing shoulders receiving the rings therebetween. In one embodiment, both rings engage the inner and outer pipes, with an upper ring being driven outwardly into a locking position by a lower ring. In this case, the upper ring is split while the lower ring is solid. In a second embodiment, an outer ring engages both the inner and outer pipes while an inner ring is nested into the outer ring and engages the inner pipe. In this second embodiment, both rings are split.

Abstract: A rivet having a cylindrical head portion, a cylindrical shoulder portion of reduced diameter and a tenon portion of further reduced diameter is projected through first and second parts which are to be fastened together. The head portion abuts one side of the first part, the shoulder portion extends a substantial distance through an opening in the first part and the tenon portion projects through and beyond a hole in the second part. An axial bore opens through the head portion and extends into the shoulder portion but stops short of the tenon portion, the bore terminating in an end wall. A first tool is projected into the bore and bears against the end wall to place substantially all of the shoulder portion in tension and to hold the rivet while a second tool engages the tenon portion to deform the latter and form an enlargement engaging the second part, the tenon portion thereby being in compression.

Abstract: A shrink ring clamp assembly for securing together a pair of telescoped pipes comprises opposed die holders within which are secured opposed coplanar semi-circular shrink ring die segments, so that when the die holders and segments are compressively drawn together relative to a pair of telescoped pipes, concentric annular channels and a bead are formed therein providing an annular mechanical interlock and seal between the pipes. The method of securing the pipes together including the step of forcefully drawing together a pair of coplanar shrink ring die segments relative to a pair of telescoped pipes therebetween to form concentric channels and a bead therebetween providing an annular mechanical interlocking seal throughout 360.degree..

Abstract: A device is disclosed for stripping insulation from the end of an insulated wire. Four identical insulation blades are provided. One pair of blades is mounted on one pivotable arm while a second pair of blades is mounted on a second pivotable arm. The blades on each arm are inverted relative to each other so that the beveled surfaces of the blades which form the cutting edges face in opposite directions, and the beveled surfaces of the blades of the respective pairs which face in the same direction are opposite to each other. This arrangement provides a balanced pattern of the cutting edges and therefore uniform cutting action on the insulation so that when the insulation is removed from the end of the wire, wire skiving is avoided.

Abstract: A tool-changing device for a machine tool comprises a tool selector which is movable over a tool storage matrix to select tools from fixed storage locations and transfer them to an exchange position in readiness for mounting on a work head of the machine tool. The work head is movable inter alia along a Z machining axis, and the exchange position is disposed on a pick-up axis parallel to the Z axis at a level which varies in accordance with the position of the work head.

Abstract: A grinding machine wherein the spindle which supports a grinding wheel during removal of material from a workpiece and/or any one of several carriers for spare or substitute grinding wheels are movable relative to each other to positions in which a grinding wheel can be transferred from a selected carrier directly onto the spindle or vice versa. The carriers are mounted in or on a stationary or mobile magazine and their axes can extend radially of a horizontal axis or radially of a vertical axis. The carriers can form one or more rows or one or more annuli. The magazine can be mounted adjacent to the frame of the grinding machine, on a horizontally reciprocable table which supports a vertically or horizontally movable carriage for the spindle, or at a level above the normal level of the spindle.

Abstract: A method of manufacturing a semiconductor device which comprises the steps of forming an interconnection layer through an insulating film on a semiconductor substrate, and connecting the diffusion interconnection region in the surface portion of said substrate to said interconnection layer by growing a metal or metal semiconductor compound on the surface of said substrate and the interconnection layer.

Abstract: A method for the formation of buried gates in a semiconductor device using epitaxial growing method combined with diffusion method or diffusion by an additional heat treatment. The buried gate has smaller gate resistance by providing relatively high impurity concentration and also having good reverse characteristic by providing relatively low impurity concentration at the top of the buried gates.

Abstract: A device for dismounting an integrated circuit package soldered on a printed electric circuit board by melting the solder, including an electric heater which heats a heating shank disposed so as to contact upper portions of soldered portions of a plurality of leads soldered to circuit ends on an electric circuit board wherein the leads extending from side walls of an IC package mounted on the board. A suction cup member is disposed in a center portion of the heating shank so as to face an upper surface of the IC package and dismount the IC package sucked thereby from the board after melting the solder.

Abstract: A method for mounting one or a plurality of multilead components (25-28) on a circuit board (20) is herein disclosed. The method comprises the steps of loading a releasable template (32) with the component/components to be mounted, positioning the releasable template proximate to the board, releasing the component/components from the template onto the board such that each lead of each component is proximate to a corresponding aperture in the board, and imparting a vibratory motion (via 29 and 23) to the board thereby inserting the component/components into the board. Also disclosed are various embodiments of an apparatus for achieving this mounting method using a programmable robotic arm (FIG. 2).

Abstract: A method is described for batch-fabricating flat printed circuit boards and subsequently forming the circuit boards to a particular desired shape. In particular, a conductive substrate is coated with an insulating coating and conductors are fabricated thereon, with integrated circuit and chip resistor/capacitor parts being mounted to the fabricated conductor patterns. After part-mounting, the circuit board is bent to the desired shape.

Abstract: For the purpose of producing ribbon cable connections a cable section, such as a cable end section, together with its insulation is extrusion-coated in the form of a block having channels extending at right angles relative to the cable. Cut/pinch contacts are impressed into the channels, the contacts contacting the cable leads and their connection sections projecting from the block. The block with the projecting contacts, in the form of pins, blades, contact springs and the like, can be directly employed as a pin, blade or spring strip which is connected to the ribbon cable, or can be employed for such purpose after being latched to an upper connector contact guide portion.

Abstract: A connector assembly for metallic wires comprises a tapered spring coil member made from stiff elastic wire having a distended end at the apex and a thermoplastic member having an elongated shell with a central bore closed at one end by a wall and having on the other end a substantially circular opening. The inside of the bore is substantially tapered such as to be adapted to house the tapered spring coil member. Two recesses are provided in the tapered inside wall of the thermoplastic member running on opposite sides substantially parallel to the central axis of the bore for providing a locking position to the distended end of the inserted spring coil member. A protrusion near the open end of the thermoplastic member retains the tapered spring coil member inside of the thermoplastic member. The thermoplastic member preferably on its outside forms a frustrum of a cone with, in addition, two substantially conical section planes being provided to allow for easy gripping of the connector assembly.

Abstract: An eviscerating and survival tool having a shaft with a handle at one end, a claw-like hook at the other end, the hook being comprised of at least two arcuately shaped tines defining a slot, and a saw blade disposed longitudinally along the portion of the shaft near the end containing said hook. In its preferred form the shaft is in two approximately equal portions connected by pivotable fastening means to permit the two parts of the shaft to be folded against each other with means to maintain the two parts in rigid end-to-end relationship in use.

Abstract: A glass cutter having an upwardly inclined shank extending into a handle at one end for supporting the glass cutter with a cutter housing at the other end of the shank. A bulbous horn for cooperatively receiving the end of the index finger extends from the cutter housing at an angle to the shank for supporting and guiding the circular disk in the cutter head with the hand grip.

Abstract: In a motor-driven hand-held saw, the end of the reciprocating rod is clamped with the shaft of the saw blade in a locking sleeve which is displaced between a locked and released position along the elongation of the reciprocating rod and is operated from outside of a protective shield which surrounds the end of the reciprocating rod and the shaft of the saw blade connected to each other by the locking sleeve.

Abstract: A self-propelled drawing device is driven by two independent wheels whose axes are fixed, and has a writing tip which marks the drawing medium at a point which is not on the imaginary line joining the points of contact of the wheels with the drawing medium. The drawing device is connected to a stationary control device by flexible conductors in the form of a ribbon whose width lies in a vertical plane. Instead of a drawing device, the device can be arranged as a tracing device with counters on the wheels and a tracing tip instead of the writing tip.

Abstract: A dial gauge according to the present invention wherein moving ranges of a dial plate and a needle are determined to be within predetermined limits.In this dial gauge, the dial plate is interposed between an inner frame and an outer frame in a manner to be rotatable relative to either the inner frame or the outer frame, and a projection formed on the undersurface of this dial plate is positioned within a groove formed on the top face of an outer frame mounting portion of the inner frame to thereby control the dial plate in its moving range. On the other hand, a slot is formed in a gear for enlarging and transmitting a movement of a spindle in the circumferential direction of the gear and the forward end of a pawl affixed to the inner frame is loosely inserted into the slot to thereby restrict the needle in its turning to less than one turn.

Abstract: A system for detecting the camber of a rolled material by detecting the right and left outlet side lengths of the rolled material per unit time on the outlet side of a rolling mill and also detecting the plate width of the rolled material and then subjecting the detected signals to an arithmetic processing by an arithmetic unit to calculate the radius of curvature of the plate center line of the rolled material.

Abstract: A remotely operable apparatus and method for determining from a remote location the distance and angular orientation between two structurally unconnected members, such as two sections of a subsea pipeline, is disclosed. The apparatus of the invention comprises generally two remotely releasable guide posts disposed, respectively, in known spaced relationships to the two structurally unconnected members and a remotely operable measuring template. The remotely operable measuring template is adapted to telescope axially and includes two ball and socket joints to compensate for misalignment or differences in elevation between the guide posts. In practicing the method of the invention, the remotely operable measuring template is positioned over and firmly attached to the guide posts. All movable joints of the template are then locked and the guide posts are remotely released. The guide posts may then be retrieved to the remote location in the same spaced relationship as originally disposed.

Abstract: The measuring system of a gear measuring feeler in a gear measuring or testing machine comprises two oppositely arranged permanent magnets mounted at an end of a feeler rod located opposite to its end provided with a feeler probe. The measuring system further comprises a Hall-effect generator or sensor fixedly connected to a housing and arranged between the two permanent magnets and spaced therefrom. The Hall-effect generator or sensor is connected to a stationary electronic circuit containing a null point or zero compensation circuit and operational amplifiers. The measuring system supplies an output signal free of any residual or remaining carrier signal and having an extended frequency response range of up to 100 kHz. The output impedance of the measuring system is low and amounts to approximately 1 ohm. The zero point and the amplification or gain can be electrically adjusted without a change in the output impedance.

Abstract: A gauge for spherical objects which includes a cylindrical tubular body having an interior passageway to receive an object for random movement, the passageway being of precisely developed configuration, which is maintained because the material forming the body has a very low coefficient of expansion since it is a mixture of catalyzed polyester resin and silicon carbide grit or comprised of equivalent materials having like characteristics.

Abstract: A transducer is described which has primary application in a clinometer, detail of which is also contained in the application.The transducer comprises a hollow cylindrical housing of glass or plastics material (10) having a single electrode (12) mounted on one end face and three equal equally spaced electrodes (14,16 and 18) on the opposite end face.The three separate capacitors having a common plate (12) control the frequency of oscillation of three oscillator circuits (30,32 and 34) the outputs of which are compared by comparators (38,46 and 48) and decoded by decoding circuit (40). A computing device (42) provides an output signal for an indicator (44).An audible indication of inclination for use in combination with the device is described.

Abstract: A method and apparatus for drying and/or pre-heating in particular scrap metal with the aid of waste gases deriving from an electric arc furnace. The waste-gases are passed from the electric arc furnace through a line (1,2,3) which is arranged between an external, outwardly insulated container (6) and an inner container (4) for accommodating the scrap metal, with a gap (7,8) located between the waste-gas line and the containers. Air is drawn in through the gap (7,8) and absorbs heat from the wall (3) of the waste-gas line, whereafter the heated air is caused to pass through the scrap (5) in the inner container (4) and to deliver heat to the scrap.

Abstract: There is provided an improvement in a device for mounting a plow blade onto the front of a motor vehicle. The mounting device includes a frame member having a forwardly facing, first end and a rearwardly facing second end, means for mounting the blade onto the first end of the frame member known as an A-frame and means for securing the A-frame at the second end onto the vehicle for pivotal movement about the first axis extending transversely across the front of the vehicle. This type of blade mounting device also includes a lift means for pivoting the A-frame or frame member upwardly about the first axis and against the weight of the plow blade to raise the plow blade from its plowing position. This lift means also allows the A-frame by the weight of the A-frame and plow blade to pivot downwardly into the lowered plowing position when desired.

Abstract: A sign formed from plural trilateral display screen assemblies, each assembly being rotatable to dispose one of three screen sides in a forward position, wherein all corresponding screen sides in such forward position collectively defining and displaying a picture.

Abstract: A suspended ceiling sign is provided for suspension within a vacant panel area, under a light fixture, in a suspended ceiling of a regular array of ceiling panels with each panel being peripherally supported within a suspended grid structure. The ceiling sign includes a hollow enclosure having an open top with a peripheral flange configured to engage the supporting grid structure around the vacant panel area. The enclosure has in one of its sidewalls a cutout portion with a translucent sign mounted therein. The bottom of the enclosure has a directed lighting aperture. Inside the enclosure, there is a truncated pyramidal baffle which is both light reflective and translucent. The pyramidal baffle is seated over the aperture in the enclosure bottom. The truncated top of the baffle may be either open or closed with a translucent material.

Abstract: A safety device for use with a repeating firearm having a magazine well for holding a box-like removable magazine, to prevent the firearm from being unintentionally fired and for providing an indication visible at some distance that the firearm is in such a safe condition. A plug having a body whose dimensions correspond with those of a portion of a magazine for such a weapon includes flanges to close the magazine-receiving opening of the magazine well, a top portion which extends from the magazine well into the space which is occupied by the bolt of the weapon when the bolt is in a position closing the breech of the firing chamber of the weapon, and a member which holds a bolt latch in a position locking the bolt open. The body includes a detent for interacting with a magazine retention latch of the firearm to retain the safety device within the magazine well, with a portion of the device being visible externally as an indication that the safety device is operatively installed in the weapon.

Abstract: Apparatus for agitating a fishing line and imparting to the lure an oscillating motion. The apparatus is mounted on the fishing pole and also releasibly engaged with the fishing line. In order to provide the motion a small electric motor causes a shaft to rotate. The shaft has helical threads and causes a rider slideably meshed with the threads to move forward and backward. The fishing line by reason of its attachment to the rider is agitated into an oscillatory motion which is transmitted to the lure.

Abstract: A fishing rod holder comprising a mounting bracket for attachment to a structural member of a boat, a tubular body member having open ends for receiving a rod handle inserted through one end and having a slot longitudinally disposed in the side thereof, mounting means for mounting the tubular body member on the mounting bracket to provide limited pivotal vertical movement with respect to the mounting bracket, a lever block mounted for limited pivotal movement with respect to the tubular member and carrying therethrough a threaded rod having a handle and a camming head with the camming head and the end of the rod projecting into the body member slot, and a tongue member having a generally semicircular cross-section disposed inside the body member and meeting and fastened at one end to the interior of the body member and covering the slot.

Abstract: Casting handle for a fishing rod characterized by formation of slip-proof flanges at the tip of the stem of a hold screw which, together with a hold piece, serves to fasten the reel base to the casting handle body of a fishing rod.

Abstract: An artificial fishing lure which includes a pair of hooks normally disposed within a retracted position within the lure's body and movable therefrom to a position outwardly of the lure's body in response to a predetermined amount of tension being applied to a fishing line leading from the lure. For actuating said hooks, the present lure provides a flexible molded plastic bow assembly set within said lure's body and operatively interconnected between said fishing line and said hooks.

Abstract: A sinker-anchor for fishing in moving water and having a weighted body with an open tube extending through and outwardly from the body along the centerline, such that a fishing line is free to pass therethrough. A plurality of anchor prongs extend outwardly of the body to engage the bottom and retain the sinker in a desired location.

Abstract: The present invention relates to a relatively transparent, flexible hollow tube (12) having a plurality of elongated strands of tippet material (14), having a variety of diameters, positioned therein. Each of said strands of tippet material (14) being color coded to provide for ready identification of tippet material diameter. A cylindrical plug (16) is inserted at a first end of the tube (12) to retain the tippet material (14) in the tube (12). A plastic cord (20) and snap (22) are provided for attaching the tippet tube (12) to an item of one's wearing apparel while fishing.

Abstract: A method for producing genes conferring resistance to herbicides, growth regulators or other chemical agents in vascular plants is disclosed. Mutagenized spores of ferns of the genus Ceratopteris are grown in the presence of a herbicide, growth regulator, or other chemical agent and resistant mutant gametophytes are selected. Self-fertilization in the selected mutant gametophytes yields homozygous diploid sporophytes which also exhibit resistance. The sporophytes grown to maturity yield mutant spores having identical haploid genotypes which are grown to confirm the existence of resistance to the herbicide, growth regulator, or other chemical agent. The method produces vascular plant genes conferring resistance to the herbicide, growth regulator or other chemical agent.

Abstract: An organic growing medium for plants or seeds placed in standing water having substantially all the major and minor fertilizer elements is exposed to humid air over its substantial outer side surface thereby making air available to plant roots. The growing medium may be in a pot having porous sidewalls which allows air to be admitted into the pot or air openings may be formed in the pot sidewalls. The pot may further sit in a container wherein an air passageway is formed between the container and the pot to provide humid air around the growing medium. Alternately, the growing medium may be spaced from the container wall having air openings and an air chamber is formed between the growing medium and the container wall.

Abstract: A sealing means for a door lacking a threshold comprises a lath of resilient material, which with a substantially plane main portion is attached to the lower edge of door leaf. A head, enlarged with respect to the main portion, is provided with sealing ridges and may be bent in relation to the attachment of the lath, so the ridges will be forced towards the floor. An actuating member, comprising a longitudinally compressible leaf spring, is fitted between the lower edge of the door leaf and the head of the lath, so it extends outside the vertical hinge edge of the door leaf. Just before the door reaches its closed position the leaf spring contacts the door frame, and will then force the portion of the head adjacent to the hinge edge downwards. During the terminal portion of the closing movement the friction between the floor and the downwardly turned portions of the ridges will "roll" the head to full contact with the floor.

Abstract: A reversible d.c. torque motor advances and retracts a cone mechanism for radially expanding and contracting the stones of a tool for honing a bore in a workpiece. The motor is adapted to advance the cone mechanism at three different speeds so as to effect expansion of the tool first at a rapid traverse rate, then at a slower coarse feed rate and then at a still slower fine feed rate. Pulses representative of changes in position of the cone mechanism are routed to and are counted by a reversible counter which causes the cone mechanism to retract to different starting positions as the stones of the tool wear and reduce the effective diameter of the tool.

Abstract: A knife sharpening device having a grinding element adapted to be moved into the knife edge in a spiral path through a 180.degree. traverse and reverse, simultaneously moving longitudinally throughout the length of the knife's edge. A blade stropping element may be contained as an insert in the grinding element to strop the knife's edge during the reverse traverse.

Abstract: An apparatus for holding a blade of an implement while sharpening an edge thereon with a rotating sharpening wheel. The blade is carried by a blade holder which is, in turn, supported on a vertically extending bracket. The angle that the blade holder is supported on the bracket can be readily adjustable. A pair of opposed vertically extending posts are provided on the bracket so that the entire holder can be rotated for presenting the edge of the blade to different directions of rotation of the sharpening wheel.

Abstract: A method of and an arrangement for grinding gears, particularly bevel gears, includes grinding in a cooling lubricant bath in the cooling and lubricating medium to provide an increased grinding efficiency and cooler grinding without danger of grinding damage, and also guarantee self-cleaning of the grinding wheel since the cooling lubricant is always available in the grinding point.

Abstract: A process and apparatus for the control of the path of the grinding tool of an all-around edge grinding machine supporting a glass pane for movement about a rotational axis. The grinding tool is positively guided into contact with the edge of the glass pane as controlled by the contour of the glass pane. A scanning roller, also guided into contact with the edge of the glass panel provides the control heretofore described. Both the grinding head and scanning roller are movable in a direction toward the rotational axis of the glass pane. Path signals determined by the scanning roller are stored in a sliding register, and delayed at its output for a period of time required for movement of the glass pane through an angle which corresponds to the rotational angle (.alpha.,.beta.) between the point of contact of the scanning roller and the point of contact of the grinding tool on the edge of the glass pane. The path signals from the sliding register are used in position controlling the grinding tool.

Abstract: A method of grinding a workpiece for shaping it into a cam by imparting a rotary motion and a rocking motion, which conforms to the profile of a master cam, to the workpiece. In the first rough grinding step, a grinding wheel is rapidly entered into the workpiece while the workpiece is rotated at a low velocity. In the second rough grinding step, the grinding wheel is rapidly entered into the workpiece while the workpiece is rotated at a velocity greater than the low velocity. In the third rough grinding step, the wheel is rapidly entered into the workpiece while the workpiece is rotated at a high velocity. Each of the three steps includes a step for removing the portion left uncut in such a state that the infeed of the wheel is ceased. The depths of cut in the three steps DS.sub.1, DS.sub.2 and DS.sub.3, respectively, are so set that the following relation holds:DS.sub.1 >DS.sub.2 >DS.sub.