Abstract: A universal quench press is used for the precision quenching of gears, bearing rings, saw blades, slitting knives, cylindrical parts, flat parts, dished parts, and other articles. A set of quenching dies reduce or eliminate the distortions in size, roundness, taper, and flatness encountered in manufacturing processes prior to the press quenching process and/or operation. The press has a plurality of posts or tie-rods configured to distribute the forces of the applied loads uniformly. Provisions are made for a plurality of generally concentric rams with all of the rams powered by hydraulic or pnuematic cylinders or other force exerting device or devices to provide a uniform and evenly distributed force. An automatic quench media splash guard seals the quenching chamber during operation and requires absolutely no set-up or operating adjustments or changes.

Abstract: A one bath dyeing process for dyeing cellulosic containing textile materials with fiber reactive dyestuffs, including polyester-cellulosic blends with disperse and fiber reactive dyestuffs. Material to be dyed is prepared for dyeing while avoiding residual chemicals that could retard dyeing. Dyestuffs and auxiliaries are added to the dye bath along with specified amounts of alkali and electrolyte and the materials subjected thereto at proper time-temperature relationships for level dyeing of a particular shade. Dye bath pH is maintained in a range of from about 8.0 to about 12.5 with total alkalinity being in a range of from about 1 to about 8 grams alkali per liter of dye bath. Electrolyte content in the dye bath is in a range of from about 50 to about 200 grams of electrolyte per liter of dye bath. For certain reactive dyestuffs, following the initial dye cycle, dye bath temperature is reduced, further alkali is added and a further short dye cycle is run to improve dye yield or wet fastness.

Abstract: A composite synthetic leather sheet material and method of manufacture thereof is disclosed. The composite sheet material comprises outer thermoplastic polymeric layers bonded to opposite faces of a reinforcing textile fabric, preferably a porous woven fabric of high strength material, by an intermediate polymeric layer which fills the interstices of the fabric and has opposite surfaces disposed adjacent the fabric surfaces to engage and firmly secure the outer thermoplastic polymeric layers in the composite sheet. One of the outer thermoplastic layers is foamed to a relatively high degree and the outer surface of the foam is mechanically abraded or buffed to provide a suede-like leather appearance thereto. The other outer thermoplastic layer may be foamed and provided with an embossed leather-like surface appearance. The sheet material product is reversible in use, completely heat-sealable, flow-moldable, and printable on both sides for subsequent manufacture of synthetic leather good articles.

Abstract: An improved fluid operated forwarding and drawing apparatus for continuous filamentary materials including a jet nozzle structure defined by a fluid outlet port from a fluid plenum chamber and a filament guide tube where the nozzle has a converging acceleration zone, a throat, a diverging expansion zone and a converging transition zone. A small diameter friction tube abuts an exit to the transition zone. The device is adjustable during set up and operation whereby close manufacturing tolerances are not required and operating parameters of the nozzle may be easily varied. The device is operable at low air pressures, low air consumption and low noise levels while handling filamentary materials at high linear velocities. A process for drawing and forwarding filamentary materials is also disclosed.

Abstract: Method and apparatus for controlling tension in a longitudinally moving web between fixed material feeding points while maintaining the length of the path of web movement between said fixed points substantially constant. Two axially fixed, web-feeding rollers are positively driven from a common drive motor. One roller is driven at a variable speed through a shaft-mounted transmission unit having a variable pitch pulley spaced from the axis of rotation of the roller shaft and connected to the motor by a flexible belt. Fluid piston means provides a constant force on the transmission unit in a direction about the roller shaft axis to impose a constant torque on the variable speed roller and to move the variable pitch pulley to increase or decrease the speed of the roller, thereby maintaining a constant imposed tension on the material in its path of movement between the two rollers.

Abstract: An improved composite sheet material product having the appearance, drape, hand and water absorption and retention characteristics of natural chamois leather, comprising, in combination, a reinforcing textile fabric having opposed raised fiber faces, a soft water-absorbent porous polymeric foam layer secured to the opposed raised fibrous faces of the textile fabric, the foam layers having a normal high surface tack characteristic causing sticking and delamination of the layers from the sheet material under pressure contact, and wherein the exposed porous surfaces of the normally tacky foam layers are coated with a non-tacky water insoluble, film-forming polymer, such as a urethane polymer, to minimize tackification and delamination of the foam layers without noticeable loss in water absorption, retention, and appearance of the composite sheet material to that of natural chamois leather.Also disclosed is a method of manufacture of such composite sheet material products.

Abstract: An elongate support bar of composite material for transverse support of a moving conveyor of a paper making machine, wherein the bar is composed of a wear-resistant nose portion of smooth, hard material, such as a plurality of ceramic plates, and a base portion of polymeric resinous material in which plates are adhesively secured. The undersurface of the base portion of the bar is provided with an elongate channel for slideable securement to a transverse support member of the paper making machine, and the bar is supported and dimensionally stabilized by a plurality of flexible filamentary strands of high tensile strength embedded within the resinous base portion in spaced relation and extending along the length of the bar.

Abstract: A system for sequential tubular administration of first and second fluids including a first reservoir to contain a first solution, e.g., a solution of medication; a second reservoir having less capacity than the volume of solution in the first reservoir with an overflow chamber. The two reservoirs are in communication with each other, and both are provided with valved solution discharge lines, the entrance to which is provided with a ball float valve. The two discharge lines meet at a wye connection having an infusion feed assembly at an outer free end of same. With a first solution in the first reservoir and with both reservoirs closed to the atmosphere, second solution, e.g., I.V. solution may be fed into the second reservoir which displaces air therefrom into the first reservoir to assist in feeding solution from the first reservoir.

Abstract: An improved temperature-responsive wall ventilator construction comprising a housing having side walls defining an air flow passageway, a plurality of louvers disposed in said passageway and operatively attached to opposed side walls of the housing for pivotal movement to control the flow of air through the passageway. A temperature-responsive bimetallic coil spring located in the passageway and in an opening through one of the louvers controls pivotal movement of the louvers in the passageway to regulate the flow of air therethrough. One end of the coil spring is mounted directly to a face of one of the louvers, and the other end portion of the coil spring extends into an opening in a side wall of the housing to serve as sole pivotal support for one end of the louver. Temperature changes cause expansion and contraction of the spring which causes corresponding pivotal movement of the louver.

Abstract: A method for producing graphic or mathematical boundary information, in the form of graphs and the like, and the use of such information, for more accurately predicting the acidity and alkalinity of water drainage from rock types which may be subjected to weathering conditions in earth moving operations.Selected rock samples of particular rock types collected from a geographic location of interest are subjected to oxidation and leaching for a predetermined period of time to simulate natural weathering conditions to which the rock types may be exposed. The leachates from each rock sample are chemically analyzed by titration with standard acid and base solutions to selected end points to obtain their acidity or alkalinity concentrations, and these concentrations are differentiated for the particular rock sample to obtain a net acidity or alkalinity value for the rock sample.

Abstract: Static tow inverting apparatus for inverting the overlap of overlapping layers of a continuous length filamentary tow band of textile material deposited onto the surface of a moving conveyor in relaxed condition for treatment, such as in the thermal heat setting treatment of a band of tow which has been subjected to a mechanical crimping operation. The tow inverter comprises a pair of stationary plates which are disposed above the surface of a moving conveyor to receive a continuous length of tow in a plurality of overlapping layers thereon. The opposed surfaces of the spaced plates define a downwardly curving passageway for gravitational conveyance of the overlapping layers of tow through a reversing direction of movement to deposit the same on the surface of the moving conveyor with preceding layers of tow overlying succeeding layers of tow in the direction of movement on the conveyor.

Abstract: Method and apparatus for smoothing and laterally guiding a longitudinally moving web of material wherein the web is longitudinally moved in a generally upward vertical direction past first pressurized fluid discharge manifolds disposed adjacent the web path on either side of the plane of the web to continuously direct streams of pressurized fluid, such as air, outwardly of the central portion of the web and toward side edges of the web to smooth and remove wrinkles from the same, and second pressurized fluid discharge manifolds located adjacent at least side edge portions of the web path for intermittently directing streams of air across opposite faces of the web toward one or the other of the side edges thereof, in response to web edge sensing means, to laterally move and guide the web during its longitudinal travel.

Abstract: A till insert for quickly and reliably receiving selected coins or currency to be deposited therein, said device being a five-sided, longitudinal container with the side nearest the cashier being upturned in an arcuate fashion and having positioned in its face a frontal opening for receiving therein said currency, and with the side opposite the cashier being open for purposes of discharging the container's contents. Said insert being designed for mating snugly within a bill compartment of a till without defeating entirely its use for receiving therein other forms of currency.

Abstract: A system for modulating an incandescent light to avoid total loss of illumination and to achieve improved conspicuity of the light along with subjective enhanced illumination. The modulating unit is electrically connected between a source of electrical power and the light to be modulated and includes a timer switch means operating at a duty cycle of at least 30 percent and a switching frequency of from about 2 to about 10 cycles per second, an amplifier transistor and a driver transistor, electrically connected thereto. Preferably the modulating unit is encapsulated to preclude effects of temperature, humidity and weather.

Abstract: A process for recording and projecting a three-dimensional visual scene onto a receiving surface from which the scene may be viewed in stereopsis by the unaided human eye. The scene is recorded from right and left view positions laterally separated by a distance of no more than about one inch, and groups of recorded right and recorded left views are alternately projected onto a receiving surface in sequence such that the visual duration of each group varies from a minimum to a maximum time which is generally proportional to the distance of the nearest non-moving object of special regard in the scene from the recording positions and is approximately equal to the visio-psychological suppression rate of the human eyes.

Abstract: A device is disclosed for tensioning a running length of textile yarn. The device contains a yarn passageway made up of three sections, each section having a progressively larger diameter from the inlet end of the device. A small diameter section at the entrance end of the device has a seat adjacent the inner end thereof which receives a spherical element. The medium diameter section surrounds the seat and retains the spherical element therein. The larger diameter section of the passageway is sufficiently large to enable pressurized air to pass around the spherical element without forcing the element out the end of the passageway. The wall adjacent the junction of the large and medium diameter sections is tapered so as to permit ready return of the spherical element to the medium diameter section to reside on the seat. Mounting means are also provided for securing the device to a yarn handling machine.

Abstract: A device is disclosed for tensioning a running length of textile yarn. The device in its simplest form is made up of a housing with a yarn passageway extending therethrough. An annular seat is provided in the passageway and provides a surface for receiving a spherical element thereat with the element being out of contact with walls of the passageway while at rest on the seat. Relative dimensions of the passageway and the seat are such that the spherical element is precluded against lateral movement away from the seat, whereby the spherical element constantly applies tension against a yarn passing between the seat and the spherical element. The passageway further extends above the spherical element at the seat and may receive a plurality of elements if desired.

Abstract: An improved device is disclosed for tensioning a running length of textile yarn. The device has a housing with a yarn passageway extending therethrough. An annular seat is provided in the passageway to receive a spherical element, the surface around the annulus having a radius of curvature upwardly and outwardly therefrom. An upper end of the yarn passageway is provided with an abrasion resistant surface having smooth rounded edges at termination of the passageway, and may be in the form of an insert into the housing or an integral part of the housing. At least one spherical element is receivable in the passageway and resideable at the seat. The spherical element is out of contact with walls defining said passageway when at rest on the seat. One embodiment of the invention includes at least one spherical element in the passageway and a further, larger spherical element that resides atop the passageway, in engagement with the abrasion resistant surface thereat.