Abstract: A temperature sensor utilizing a semiconductor sensing element which absorbs monochromatic radiant energy as a function of temperature. The apparatus includes a monochromatic radiant energy source, radiant energy guide means, a semiconductor sensing element interposed in the radiant energy guide means and a detector for detecting the intensity of the monochromatic radiant energy transmitted by the semiconductor sensing element. Advantageously, optical fibers may be used as the radiant energy guide means for directing the monochromatic radiant energy to the semiconductor and returning the transmitted radiant energy to the detector. The semiconductor sensing element is fabricated from a suitable semiconductor material such as galium arsenide. Additionally, the semiconductor material can be fabricated as a mirror or reflecting prism so that it serves both as the sensing element and as part of the optical components for the radiant energy guide means.

Abstract: A device for measuring the depth of a body of water and for marking the position of measurement to facilitate structural fishing. The device comprises a base for supporting an annular scale for rotation relative to said base. Float means is provided for supporting the device in the water with a portion of the scale above the surface of the water and with its axis of rotation horizontal. Also provided is a rotatable spool having a line wound around the spool. A weight is connected to the free end of the line for unreeling the line as the weight sinks in the water. Means is coupled between the spool and the annular scale and is responsive to rotation of the spool for rotating the annular scale an amount which is a function of the length of line unreeled from the spool as the weight sinks in the water.

Abstract: A thermograph adapted to be pre-loaded with chart paper upon which shipping information can be written, and comprising an instrument unit enclosed in an expendable container for automatic operation and security assured by a seal, the instrument being operated horologically in combination with a thermometer and all of which is electro-mechanical wherein solid state circuitry powers prime movers to advance the chart on a time basis while servo positioning a recording stylus by means of interval pulses, and responsive to a temperature sensing transducer means cooperating with the solid state circuitry comprised of a comparator means, and discriminator means operable to actuate switch means to "power-up" or "power-down" prime movers that position said stylus according to temperature sensed by said transducer means.

Abstract: A method and apparatus for the entanglement of a first strand and a moving second strand are disclosed. A member having a passageway therethrough for the passage of the second strand is adapted for the circumferential positioning of the first strand. Means are provided for repositioning the first strand from the member into circumferential entanglement with the second strand by reducing the circumference of the member.

Abstract: A tubular element having structural members disposed thereon at selected axial locations for supporting thermocouples inside the bore of a hollow shaft. Each of the structural members constitutes a generally "X"-shaped configuration which is substantially divided in half to form separated sections. Thermocouples placed in the legs of each X-shaped structural member are biased into contact with the shaft's interior surface by spring members which are disposed in openings formed in both sections on opposite sides of the X member's division at low or zero speed and by the springs and centrifugal force at high speed. Relative axial movement of the sections constituting each X member is restrained by dowels set into the sections and across the space separating them. Wires from the thermocouples extend radially into and axially within the tubular member. At one axial end of the tubular member the thermocouple wires are connected to a rotatable transmitter which broadcasts signals received from those thermocouples.

Abstract: This invention relates to a method and apparatus for imparting false twists to two yarns simultaneously. The significance of the invention resides in that an industrially utilizable method for false twisting yarns by frictional contact of two yarns with 4 rotating frictional discs has been provided. The apparatus of the present invention for practising the false twisting method is characterized in that the angle of contact of yarns with the frictional discs is maintained within a specific range and the frictional discs are attached to four shafts in specific order at specific heights. Various processes for preparing a variety of false twist yarns by utilizing the false twisting method and apparatus of the present invention have been established.

Abstract: Apparatus suitable for the assessment of lubricants for the slides of machine tools, comprises a fixed slide carrier block, a moving slide block, and a drive block moving parallel to the slides at constant speed, under the action of a motor. The drive block carries a bracket with a lever which makes it possible to load the moving slide block and has a compressible elastic element to push the moving slide block. A comparator dial and an electric displacement sensor are connected to a recorder, so as to display and record the relative movements of the fixed and moving slide blocks.

Abstract: This invention concerns cable making machines and relates to a machine incorporating both twisting and cabling mechanisms. The apparatus is designed to enable the lapping section of the machine to be isolated from the twisting section in order that the machine can be used selectively for both twisting and lapping or twisting only. Common drive means is provided for the machine such drive means including, for example, a clutch for isolating the drive to the lapping section of the machine when required.

Abstract: An insert traveller, of the kind comprising an upper and lower hook portions interconnected by a shank, all of plastics material, with a metal insert for contacting the yarn arranged at the junction of the upper hook portion and the shank, is improved by providing portions on the upper hook portion and the shank whereby the insert can be embedded within the portion of the shank adjacent or beyond the internal surface of main body of the portion of the shank. The metal insert is of "half-round" wire and carries a fin interconnecting the upper hook portion and the shank of "T" shape cross-section.

Abstract: Yarn spinning machinery and process utilizing a pair of perforated sieve belts, cylindrical sieve drums or hyperboloid sieve drums for twisting staple fibres at a line of yarn formation wherein the sieve members are moving in opposite directions while air currents are drawn through the sieve members on opposite sides of, and in opposite, twist-assisting flow directions, the line of yarn formation.

Abstract: A soil moisture indicator including a rigid planar base member having sufficient strength to permit its partial insertion into soil adjacent growing plants and a water absorbent member, such as blotter paper, secured to the base member. Overlying the water absorbent sheet adhesively secured thereto is a transparent water impervious layer, the layer having an increment extending beyond the longitudinal extremities of the water absorbent sheet, the incremental portions being adhesively secured to the base member so that abrasive forces on the water absorbent sheet during insertion into the soil are avoided. An improved method for manufacturing the devices in a highly efficient and automated fashion.

Abstract: A yarn-twisting apparatus comprises a spindle receiving the supply spool or bobbin, a rotating can or sleeve surrounding the spool and the bobbin, a yarn takeup arrangement for drawing the yarn from the upper end of the can, and a housing surrounding the can. According to the invention, the stationary housing and the upper and lower ends of the spindle are provided with closures which reach close to the spindle at the bottom and form an opening traversed by the yarn at the top. Means is provided for enabling the upper closure to be removed or displaced for ready access to the interior of the housing. The system reduces the power consumption required for twisting the yarn.

Abstract: Polyester yarn is spun at a sufficiently high speed to produce substantial stress-induced crystallinity and low shrinkage. The resulting feed yarn is textured, yielding a textured yarn which dyes considerably deeper than conventional polyester yarns.

Abstract: In the manufacture of ventilated filter-tipped cigarettes the continuous wrapper web for the filter rod is formed, at least at longitudinally spaced positions, with perforations or semi-perforations to allow a significant air flow into the filters of the finished cigarettes.The invention includes an apparatus for testing such ventilated cigarettes to check that the degree of ventilation is adequate.

Abstract: An amount of liquid is divided into precisely defined aliquots by discharging the liquid by centrifugal force from a single radial opening in a spinning bowl against a circular row of knife-edged partitions defining receptacles therebetween.

Abstract: An improved spindle assembly construction for a textile yarn processing machine, such as a two-for-one twister and the like, which normally includes a rotatably driven rotor mechanism having a horizontally-extending reserve yarn storage disc and a generally vertically-extending hollow axle defining therewithin a yarn passageway extending therethrough and radially out of the storage disc, a stationary yarn supply package carrier mechanism rotatably mounted on the rotor mechanism so that the rotor mechanism rotates relative thereto, a yarn guide eyelet positioned above and in axial alignment with the hollow axle, and a driven yarn take-up winding mechanism, so that the yarn may be withdrawn from the supply package by the winding mechanism and pass through the passageway and through the eyelet to form a rotating balloon of yarn between the eyelet and the storage disc and around the carrier mechanism and the supply package as a result of the rotation of the rotor mechanism.

Abstract: A nubby yarn comprising at least one textured core yarn and one separately textured effect yarn is disclosed wherein the effect yarn is periodically wrapped helically around the core yarn and then helically wound over the first helix in the same direction of wind. A process for the manufacture of the nubby yarn is also disclosed.

Abstract: A yarn friction false twist arrangement which includes a base plate having arranged thereon at least three equiangularly spaced shafts, each of which is provided with a plurality of axially spaced friction disks. The disks are arranged on the respective shafts and the base plate in an overlapping manner so as to define a path of travel for a strand of yarn. One of the shafts is fixedly connected with respect to the base plate and the other shafts are mounted so as to be displaceable with respect to the base plate with a device being provided for adjusting a position of one of the displaceably mounted shafts. An arrangement is provided at the base plate for securing the adjusting device in an adjusted position with a locking construction being provided for locking the adjusting device at the base plate.

Abstract: Self-twist plural yarn strands are produced by a system wherein at least two singles yarn strands are individually twisted to form twisted strands each having longitudinally spaced nodes, and strands are brought together in a parallel relationship with the nodes of one strand substantially aligned with the nodes of each other strand. The corresponding nodes from one strand are fastened to those of each other strand, and the strands are allowed to ply. The node fastening means comprises a rotating member having a contact surface for fastening the nodes by gathering and twisting of the fibers from one strand with those of another strand at the nodes of each respective strand. Ply yarn twist uniformity is assured through the use of improved twist insertion jets, together with a means for holding singles yarns separate to allow longitudinal levelling of singles yarn torque prior to plying.

Abstract: A corrosion resistant rope in which the individual strands are sealed with a plastic foam impregnant and which exhibits excellent retention of lubrication is made by preimpregnating the outer strands of the rope with plastic foam material prior to closing the strands into a wire rope. The final rope may then be surface lubricated to provide temporary and long term corrosion resistance and lubrication to exposed surface wires.