Patents Issued in January 13, 1976
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Patent number: 3931788Abstract: A shoe machine having nozzles for applying adhesive progressively to the margin of a shoe bottom, in which the nozzles are moved heightwise to engage a guide of the nozzle with the edge of the shoe bottom maneuvered by an arrangement of piston and cylinder members, and a sensing device associated with a stop mechanism for control and guidance to enable the nozzles to follow the marginal contour of the shoe bottom to apply adhesive thereto, and thence to return the nozzles to their start position to begin another cycle.Type: GrantFiled: January 13, 1975Date of Patent: January 13, 1976Assignee: USM CorporationInventors: Ronald O. C. Gadd, Robert C. Quarmby, Frank R. Smith
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Patent number: 3931789Abstract: An apparatus for continuously processing articles includes a pre-heating chamber for confining a vacuum therein provided with four openings by which an entrance chamber, two depositing chamber and an exit chamber communicate therewith individually. Each of the openings is provided with a gate valve mounted therein for covering the openings, and particularly the entrance and exit chambers serving to maintain the vacuum in the pre-heating chamber at a predetermined level while feeding unprocessed articles to and removing the processed articles from the pre-heating chamber in such a manner that the vacuum is not affected by the ambient atmosphere. The pre-heating chamber comprises a cylindrical housing in which a water-wheel-like conveyor having means for receiving and holding vacuum deposition jigs carrying articles such as optical elements is intermittently rotated to advance the vacuum deposition jigs through the pre-heating chamber.Type: GrantFiled: April 19, 1974Date of Patent: January 13, 1976Assignee: Canon Kabushiki KaishaInventors: Mitsuo Kakei, Keijiro Nishida, Tadayoshi Kasahara, Masao Shimabayashi, Ryozo Hiraga, Tomomasa Nakano, Ichiro Komatsubara
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Patent number: 3931790Abstract: A reciprocating crossfire set of rinsing means rinses the surface of a glass sheet while maintaining a uniform thickness of rinsing medium in an area on the glass surface where a subsequent spraying operation is to be carried out. The rinsing means are angled obliquely downward, rearward and outward, and rinse water or other medium is supplied at a rate sufficient to force excess rinsing medium off the side and the trailing edge of the sheet, rather than being delivered into the spray area or accumulated along its trailing edge portion. The uniform thickness of rinsing medium prepares the substrate for receiving a more uniform transparent metal-boron coating in the spraying operation that follows.Type: GrantFiled: August 9, 1973Date of Patent: January 13, 1976Assignee: PPG Industries, Inc.Inventor: Helmut Franz
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Patent number: 3931791Abstract: Sheet coating means for a printing press including a back-up cylinder and form cylinder having an associated fountain, the fountain having a fountain roller rotating adjacent the form cylinder. Also rotating adjacent the form cylinder is a first form roller which is coupled to the fountain roller via a dosing roller. The fountain and its associated rollers are mounted upon a subframe having provision for (a) shifting the fountain roller into liquid transmitting contact with the form cylinder and (b) shifting the first form roller into liquid transmitting contact with the form cylinder thereby, selectively, to change the length of the liquid transference path from the fountain to a sheet carried by the back-up cylinder in accordance with the drying speed of the coating material.Type: GrantFiled: September 5, 1974Date of Patent: January 13, 1976Assignee: Roland Offsetmaschinenfabrik Faber & Schleicher AGInventors: Friedrich Preuss, Kurt Difflipp
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Patent number: 3931792Abstract: A apparatus for developing electrostatic latent images is given whereby there is provided a means for bringing pigmented particles into contact with a coarse surface, means for collecting said pigmented particles, means for supplying an insulating liquid to the pigmented particles, and means to contact said pigmented particles in insulating liquid to the surface of an electrostatic latent image.Type: GrantFiled: February 1, 1974Date of Patent: January 13, 1976Assignee: Rank Xerox Ltd.Inventor: Masamichi Sato
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Patent number: 3931793Abstract: Electrostatic toner powder images on copy sheets are fixed by the application of pressure alone, using sets of mating rollers so arranged that each set nips and treats a narrow track on the sheet, and also so arranged that the treated tracks have slightly overlapping margins whereby the full area of the sheet is treated in the process.Type: GrantFiled: February 4, 1974Date of Patent: January 13, 1976Assignee: Addressograph Multigraph CorporationInventor: James A. Kolibas
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Patent number: 3931794Abstract: Pressure controlled milk termination means wherein the top of a diaphragm is connected with the milk line by a vacuum communication conduit and the bottom of the diaphragm with the air line, but the bottom of the diaphragm having an air bleed aperture leading thereinto so that there is a constant differential of pressure acting on the diaphragm and of sufficient magnitude to bias the diaphragm upwardly. The diaphragm has coupled to it a valve member which is effective in closing the air bleed aperture, and the arrangement is such that when the air bleed aperture is closed, vacuum is supplied to a cylinder containing a piston which, when it lifts, lifts the claw away from the cow which has just been milked, and at the same time closes the vacuum communication conduit leading from the claw to the milk line.Type: GrantFiled: June 10, 1974Date of Patent: January 13, 1976Assignees: Joan Mary Perkins, Glyn Andrew Frank ChillingworthInventor: Colin Andrew Chillingworth
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Patent number: 3931795Abstract: A teat cup has a shell and an inner flexible inflation that hermetically seals each end of the shell, preferably leaving an elliptical space between the outer surface of the inflation and the inner surface of the shell. An aperture or opening in the shell communicates air to relieve the vacuum in the space when a valve in the aperture is moved by the collapsing and flattened inflation. The valve can be moved by the inflation located in the space or the valve can be pivoted by the flattened inflation to expose or register with a vacuum source or ambient atmosphere. The inflation is pulsed by a constant source of vacuum connected to an entrance that also leads to the space. The entrance can be valved shut by the inflation and a projection on same that is closely adjacent to the entrance.Type: GrantFiled: July 11, 1974Date of Patent: January 13, 1976Inventor: Lloyd P. Duncan
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Patent number: 3931796Abstract: A fully vehicle mounted hydraulic-actuated cow catch-carrier having a frame mountable cantilever fashion on a vehicle and including a back wall arrangeable adjacent and transverse to the vehicle and spaced, substantially side walls extending substantially perpendicularly from transverse ends of the back wall. A pair of gates are pivotally mounted each on a respective one of the side walls at points thereon spaced from the back wall and arranged for being independently swung by, advantageously, hydraulic motors into planes substantially parallel to the back wall for forming an enclosure in conjunction with the back and side walls. The frame is preferably provided with a floor arranged for receiving an animal gathered by the gates with the floor being arranged forming a bottom to the aforementioned enclosure.Type: GrantFiled: December 31, 1974Date of Patent: January 13, 1976Inventor: Herbert F. Hoffman
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Patent number: 3931797Abstract: An improved automobile engine carburetor in which a portion of the fresh air flowing into a carburetor main housing is bypassed through an auxiliary housing encasing a coiled bimetallic strip for controlling the position of a choke valve, so that the interior of the auxiliary housing may be maintained below a temperature at or above which the bimetallic strip may be heated to an unduly high temperature resulting in an earlier malfunction or failure.Type: GrantFiled: November 21, 1974Date of Patent: January 13, 1976Assignee: Toyota Jidosha Kogyo Kabushiki KaishaInventor: Toshiro Yoshida
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Patent number: 3931798Abstract: The invention relates to a control device for a multiple cylinder-piston motor for operation with a gaseous fuel, said control device being connected to the gas conduit, leading from the throat of the venturi-tube in the air suction conduit to the evaporator pressure regulator, as well as to the vacuum conduit, leading from downstream the throttle in said air suction conduit to said evaporator-pressure regulator, said control device comprising a control valve provided with a control mechanism, said control valve being incorporated in said gas conduit and said control mechanism being incorporated in said vacuum conduit, the arrangement, on operation of said throttle from its closed position towards its open position, and reverse, allowing the said control valve to be automatically brought from a position for small gas passage to a position for considerable gas pressure, and reverse.Type: GrantFiled: November 12, 1973Date of Patent: January 13, 1976Assignee: Landi Den Hartog B.V.Inventor: Adrianus Johannes Theodorus Hoogeboom
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Patent number: 3931799Abstract: An intake and exhaust pipe construction for an internal combustion engine of the type having a main combustion chamber supplied with a lean mixture and an auxiliary combustion chamber supplied with a rich mixture. A spark plug ignites the rich mixture in the auxiliary chamber and the resulting torch flame passes through a torch nozzle to ignite the lean mixture in the main chamber. The auxiliary intake passage which supplies the auxiliary combustion chamber with the rich air fuel mixture is integrally formed with the exhaust passage such that a common wall extends there between. A shell is disposed about the intake and exhaust passages and spaced therefrom to form an air gap between the shell and passages. Openings are provided in the shell for allowing air flow to and from the air gap. The air flowing from the gap is directed by a conduit to the inlet opening of the intake system.Type: GrantFiled: June 22, 1973Date of Patent: January 13, 1976Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Hisashi Tamai, Soichi Nakano
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Patent number: 3931800Abstract: A system to convert liquid fuel for an internal combustion engine to a gaseous state for injection while in the gaseous state into the internal combustion engine which includes a heater in heat exchanging relation with the exhaust of an engine and a fuel pump to supply fuel to the heater means, whereby the preheated fluid is in the gaseous state when injected into the engine for more complete combustion.Type: GrantFiled: November 27, 1974Date of Patent: January 13, 1976Inventor: Normond Gendron
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Patent number: 3931801Abstract: Exhaust gases in an internal combustion engine are circulated into a chamber containing liquid fuel, the exhaust gases bubbling through the fuel to heat and vaporize the fuel prior to passing the fuel for mixing with air at the entrance to the intake manifold.Type: GrantFiled: February 21, 1974Date of Patent: January 13, 1976Inventors: William L. Rose, Herbert J. Johnson
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Patent number: 3931802Abstract: A fuel injection system for regulating fuel flow so as to maintain a desired fuel-air mixture in a mixture compressing, externally ignited internal combustion engine includes the air intake suction tube of the internal combustion engine. A measuring device is provided for measuring the quantity of air passing through the air intake suction tube. A pressure control device, responsive to output from the measuring device produces, as its output, a variable fluid pressure head. At least one fuel metering valve is responsive to the output from the pressure control device. This fuel metering valve has a movable member, preferably a slide valve piston, which is actuated in two control directions. The fuel metering valve functions to meter out fuel, in desired proportion, into the quantity of air streaming through the suction tube.Type: GrantFiled: September 12, 1973Date of Patent: January 13, 1976Assignee: Robert Bosch G.m.b.H.Inventor: Konrad Eckert
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Patent number: 3931803Abstract: A fuel quantity manifold for a multiple-cylinder internal combustion engine with two cylindrical dosing elements supported within a cylindrically-bored housing in mutually end surface contacting and in relative to each other rotatable relationship, and which are provided with metering passageways, wherein the end surface edges of the metering passageways overlap each other so as to release or open a more or less large flow passage cross-section.Type: GrantFiled: January 17, 1975Date of Patent: January 13, 1976Inventors: Asoke Chattopadhayay, Wolfgang Muller
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Patent number: 3931804Abstract: A photo-electronic internal combustion ignition system in which a shutter rotated by the distributor shaft of the engine alternately supplies and cuts light from a photodiode to a photo-electric pickup. The circuit is devised to produce an exceedingly rapid cut-off of current to the engine induction coil, and for this purpose an amplifier following the pickup has a connection to the photo-diode which as soon as the pickup receives a predetermined minimum amount of light via the shutter, momentarily pulses the photo-diode so that the latter produces a short flash of high intensity light. Induction coil cut-off occurs when the photo-diode receives this light flash.Type: GrantFiled: June 21, 1973Date of Patent: January 13, 1976Assignee: Bowpark Developments LimitedInventor: Dennis Dawes Bowen
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Patent number: 3931805Abstract: A gas fueled barbeque grill comprising a housing, means within the housing for supporting food to be cooked, a burner assembly disposed below the food supporting means, the assembly including a plurality of spaced apart burner elements each including a portion which when supplied with an appropriate ignited mixture of a gaseous fuel and air provides a flameless incandescent heating area, with the burner elements being spaced apart a sufficient degree to provide cooking heat for substantially the entire area of the food supporting grate.Type: GrantFiled: August 21, 1974Date of Patent: January 13, 1976Assignee: King-Seeley Thermos Co.Inventor: David M. Nelson
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Patent number: 3931806Abstract: A heating system has means for directing heat only to a portion of a medium for storing heat which portion is at a temperature below that to which heating means then heats the medium. The system then functions to store heat in the medium during periods of less-than-maximum heating of the medium without degrading the temperature of a higher-temperature portion of the medium. The system has particular utility with a solar heat collector from which the available heat varies with the intensity of the solar energy. Heat is then collected in the portion of the medium during periods of marginal solar energy intensity without degrading the higher temperature of another portion of the medium heated to a higher temperature during a prior period of greater solar energy intensity. In a specific embodiment the system has three compartments for separating a fluid heat-storing medium into portions, a pump supplying the fluid to a solar heat collector, and a pump supplying the fluid to a heat exchanger for heating a house.Type: GrantFiled: May 6, 1974Date of Patent: January 13, 1976Assignee: Johnson Service CompanyInventor: Thomas Edward Hayes
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Patent number: 3931807Abstract: An improved rotary internal combustion engine utilizing a new and improved cycle of operation which includes six phases: intake, compression, combustion, after burn, adiabatic expansion, and exhaust. The purpose of both the after burn phase and the adiabatic expansion phase is to increase the thermodynamic efficiency of the engine and also to reduce the pollution products of the exhaust. The after burn phase achieves this purpose by injecting jets of hot compressed air into the hot combustion phase products at the end of the combustion phase and thus promotes more complete combustion. The adiabatic expansion phase serves to increase the engine efficiency by substantially allowing the combustion products to expand inside the engine thus converting the heat energy into useful mechanical energy.Type: GrantFiled: December 3, 1973Date of Patent: January 13, 1976Inventor: Abraham Bloom
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Patent number: 3931808Abstract: In a fuel injection system for an internal combustion engine the opening time of the injectors is proportional to the amount of fuel supplied. In the system having an exhaust gas sensor closing the control loop, the sensor compensates for both barometric and altitude changes; however, until the sensor is sufficiently warmed up or for a predetermined period of time the herein disclosed altitude compensation system provides control information for injector timing to account for changes due to barometric and altitude changes.Type: GrantFiled: December 23, 1974Date of Patent: January 13, 1976Assignee: The Bendix CorporationInventor: Todd Leonard Rachel
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Patent number: 3931809Abstract: The claimed improved drive means for a rotary internal combustion engine includes means for connecting the piston drive rod to the output drive shaft of the engine which defines a moment arm of variable length for rotating the output drive shaft.Type: GrantFiled: October 3, 1973Date of Patent: January 13, 1976Inventors: Francisco Barcelloni Corte, Pablo Bianco
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Patent number: 3931810Abstract: A rotary-piston internal combustion engine having one or any number of rotary pistons, mounted in a cylindrical cylinder block, the cylinder block being mounted for rotation in an elliptical casing, on a central hub associated with said casing. A central drive shaft is connected to the cylinder block for rotation therewith, and each cylinder provides one power stroke per revolution of the cylinder block. Each cylinder is provided with a push rod, adapted to be restrained against the interior of the cylindrical wall of the engine casing. The engine is self-lubricating, and eliminates the need for a crankshaft, has a minimum of moving parts and thus friction points are minimal provides a hugh power-to-weight ratio and minimizes exhaust emissions. Ignition may be either by spark means, or by dieseling.Type: GrantFiled: September 27, 1973Date of Patent: January 13, 1976Inventor: Wendell H. McGathey
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Patent number: 3931811Abstract: The plenum of an independent runner manifold is oriented at an angle to the longitudinal center line of the manifold such that each carburetor throat of a four barrel carburetor sees the entire entrance of two adjacent runners of different runner pairs. Each of four runner pairs has two runners leading from the plenum to side-by-side inlet ports. The wall lengths within a runner are made at least nearly equal to each other. A sudden enlargement, in the form of a step, is provided proximate the entrance of each runner of a manifold to the ports of an engine along the outer wall thereof where mixture velocity is relatively low with respect to mixture velocity elsewhere in the same velocity profile. The enlargements control reverse mixture flow and increase the amount of mixture entering the engine's cylinders. It is believed that this increase in flow is partially due to a reduction or elimination of boundary layer separation in the inlet port.Type: GrantFiled: December 23, 1974Date of Patent: January 13, 1976Assignee: Edelbrock Equipment Co.Inventor: James D. McFarland, Jr.
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Patent number: 3931812Abstract: A multi-cylinder 2-stroke fuel injection engine of the crankcase compression type has a separate crank chamber associated with each cylinder and inlet, transfer and exhaust ports in each cylinder. The exhaust ports of the engine communicate with an exhaust manifold which communicates with the turbine of an exhaust gas driven scavenge compressor, and the impeller of the compressor communicates with an inlet manifold which communicates with the inlet ports of the engine so as to pressure charge each crank chamber and thus increase the mass of air subsequently pumped to the associated cylinder by way of its transfer port.Type: GrantFiled: August 13, 1973Date of Patent: January 13, 1976Assignee: David Brown Tractors LimitedInventors: Herbert Edward Ashfield, Charles Hartley Hull
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Patent number: 3931813Abstract: An orifice and a valve to maintain the ratio of recirculated exhaust gas to engine intake air at an optimum level.Type: GrantFiled: July 25, 1973Date of Patent: January 13, 1976Assignee: Nissan Motor Company LimitedInventors: Masakazu Horie, Takao Fukuhara, Tetsuya Harada
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Patent number: 3931814Abstract: Electronic-control carburetor adapted to emulsify a metered amount of fuel in synchronism with the induction phases of the cylinders of an internal combustion engine, which comprises a double sonic venturi system providing a low loss of pressure and supplied under the control of an electromagnetic valve in synchronism with the induction phases of the cylinders.Type: GrantFiled: August 27, 1973Date of Patent: January 13, 1976Assignees: Regie Nationale des Usines Renault, Automobiles PeugeotInventor: Jean-Pierre Rivere
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Patent number: 3931815Abstract: An assembly comprising a holder having one open end, a double ended needle fixed to a closed end of the holder and an adapter detachably insertible into the holder, the use of the adapter of the same or varying size permitting an exchange of one fluid sample container or medicament container for another with the needle pierced into the blood vessel of the human body for injection or blood collection.Type: GrantFiled: January 2, 1975Date of Patent: January 13, 1976Assignee: Jintan Terumo Company, Ltd.Inventor: Nobuyuki Takatsuki
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Patent number: 3931816Abstract: An adjustable antiptosis corset for human beings, to support viscera in general and to correct falling stomachs and the like in particular, comprising a resilient fabric to cover part of the rear and sides of the trunk of the bearer; the portion covering the rear is resilient in a vertical direction and the portions covering the sides are resilient in a horizontal direction, and a non-resilient ventral pocket member having a top access opening, said pocket member being connectable through adjustable self-fastening tapes to said side portions and which pocket member is provided with spaced-apart upstanding diverging whale-bone-like reinforcing members and separate parallel whale-bone-like reinforcing members, crossing said diverging whale-bone-like reinforcing members, and an unwrinkable, tapered cushion member having a thicker base portion, insertable in such pocket member, with said thicker base portion located on the bottom of said pocket member.Type: GrantFiled: January 7, 1975Date of Patent: January 13, 1976Inventor: Jacobo Waldmann
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Patent number: 3931817Abstract: A pediatric device to control, within selected limits, the extent that a child can twist his feet. As an advance over known, generally similar devices, the traverse-limits are embodied on components which have intermeshing teeth. As a consequence, the teeth not only hold the components in relative positions, but very minute and accurate position adjustments can be made therebetween, by merely changing the teeth that establish the engagement. If desired, the positional change can be as small as the pitch of a single tooth.Type: GrantFiled: January 27, 1975Date of Patent: January 13, 1976Inventor: Leonard Infranca
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Patent number: 3931818Abstract: A liquid administration apparatus includes a closed fluid system enabled by a double bore metering tube which leads from an intermediate sump fed by a supply container to a flow controlling float chamber. The supply container can either be of the flexible bag type or the bottle type, both commonly used for infusing physiological fluids into the circulatory system of a patient. The float chamber is movably mounted on a flow indicating scale to set calibrated rates of flow. The sump is divided into a reservoir portion and an over-flow portion by a dam and an air inlet tube projects above the dam. A liquid inlet means leads from the reservoir portion through a metering tube to the float chamber. The float chamber includes a float which is buoyed by liquid entering the float chamber and centered by splines projecting inwardly of the float chamber. The float in the float chamber functions as a valve to selectively open and close a port leading to the infusion needle of the apparatus.Type: GrantFiled: July 22, 1974Date of Patent: January 13, 1976Inventor: Michael Goldowsky
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Patent number: 3931819Abstract: The disclosure is directed to a drainage bag for the human body especially usable for patients who have undergone a colostomy, ileostomy, urostomy or the like. The bag has a cloth backing, a special contour to fit the body and enable it to be supported by standard type of underwear having elastic leg bands, and an unobstructed reclosable opening for easy draining.Type: GrantFiled: January 30, 1975Date of Patent: January 13, 1976Assignees: Phillip M. Weddle, Auzville Jackson, Jr.Inventor: Rosemary B. Weedle
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Patent number: 3931820Abstract: A reamer, particularly for removing mucosa from the lumen of a tubular body organ. The reamer has an elongated reaming portion to one end of which a handle is fixed. The reaming portion is hollow and of polygonal cross section so that it is made up of a plurality of walls distributed about an axis of the reaming portion. At locations where these walls would normally intersect, the reaming portion is formed with slots, the edges of which form reaming edges.Type: GrantFiled: April 18, 1974Date of Patent: January 13, 1976Assignee: Investors in Ventures, Inc.Inventor: Louis Bucalo
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Patent number: 3931821Abstract: The disclosure is directed to a surgical bridge for supporting incision sutures under continuous tension. The bridge is elongated in shape, including two feet which engage the surface of a patient's skin on opposite sides of an incision, and which are connected by a bridge portion that overlies the incision. The bridge further includes a pair of resiliently flexible cantilevered arms each of which defines a suture support point elevated from the skin surface to preclude cutting or slicing of the patient's skin by the suture. In one embodiment, the suture bridge is made from two interlocking pieces, which enables the advantageous usage of two materials having different resilience, and also simplifies manufacture of the device. Improved structure is also disclosed in conjunction with the suture bridge for effecting tying or securing of a suture end to the bridge quickly and easily.Type: GrantFiled: August 26, 1974Date of Patent: January 13, 1976Assignee: Bio-Medicus, Inc.Inventors: Harold D. Kletschka, Edson H. Rafferty
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Patent number: 3931822Abstract: A multi-cuff endo-tracheal tube which minimizes the irritation to the trachea by alternately inflating one or the other of two cuffs. A short period of time after one cuff is inflated the previously inflated cuff is deflated. This removes the possible source of irritation on the trachea at the point of contact with the second cuff. After the first cuff has been in operation for a predetermined period of time, the second cuff is inflated and after another short interval, the first cuff is deflated. A control system alternately and sequentially inflates and deflates the cuffs in the proper sequence, automatically. The control system is fail-safe in that, in the event of cuff rupture, overpressurization, or electrical failure, one or the other of the cuffs remains inflated to seal the endo-tracheal tube and the control system alerts attendant personnel.Type: GrantFiled: February 26, 1974Date of Patent: January 13, 1976Inventor: Frank N. Marici
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Patent number: 3931823Abstract: A cane separator for removing cane from the intersection of first and second conveyors of a harvesting machine, including a toothed chain mounted in the path of travel of the first conveyor for guiding cane leaving said first conveyor across said second conveyor, a rotating shaft for driving said toothed chain, said shaft being located on the opposite side of said second conveyor from said first conveyor for engaging cane which may extend beyond said second conveyor and thus pulling cane from said second conveyor, and a wobble wheel keyed to said shaft and extending transversely to the path of travel of said second conveyor to engage cane and lift it from said second conveyor.Type: GrantFiled: January 17, 1973Date of Patent: January 13, 1976Assignee: Chisholm-Ryder Company, Inc.Inventor: Charles G. Burton
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Patent number: 3931824Abstract: A synthetic material adapted for use in smoking products which, upon combustion, yields a lower amount of smokestream components which may be deleterious to the smoker than does tobacco, while having an acceptable smouldering rate and taste is prepared by the combination of a combustible material, such as carboxymethyl cellulose with a portion of a filler material.Type: GrantFiled: February 14, 1975Date of Patent: January 13, 1976Assignee: Celanese CorporationInventors: Ralph R. Miano, Charles H. Keith
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Patent number: 3931825Abstract: An apparatus and method for moistening tobacco in which the non-condensibles in a mass of dry, compressed tobacco are substantially entirely eliminated by subjection to a very low absolute pressure, preferably below 1 in. Hg, followed by a first steaming to a pre-determined temperature under the influence of a maximum pressure differential, holding, re-evacuation, during which a loosening occurs, and a final steaming.Type: GrantFiled: December 19, 1973Date of Patent: January 13, 1976Assignee: John Mohr & SonsInventor: Leonard T. DeCoursey
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Patent number: 3931826Abstract: A brush which has been molded in a substantially flat form but which is bent to form a roll with an arcuate cross section and with side flaps which are brought together and fastened to form a handle portion or which may be utilized to mount the brush in a styler/dryer device. Also methods by which such a brush are manufactured.Type: GrantFiled: July 26, 1974Date of Patent: January 13, 1976Assignee: Wahl Clipper CorporationInventor: Howard R. Moon
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Patent number: 3931827Abstract: This invention relates to a method and apparatus for styling synthetic wigs utilizing steam to soften the fibers and refrigeration to harden and set the fibers. A comb having steam emission openings located around the teeth of the comb applies steam to the wig as it is stroked through the fibers of the wig. A sealable container into which the wig may be placed and steam introduced allows the wig after it has been styled to be permeated with steam. A sealable container in which the wig may be placed, and the interior reduced in temperature, cools the wig to set the hair strands in the new style.Type: GrantFiled: September 17, 1973Date of Patent: January 13, 1976Inventor: Edward H. Coleman
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Patent number: 3931828Abstract: A self-gripping flushing accessory quickly attachable over the water inlet of an outboard motor without need for fasteners while flushing the engine cooling passages from a garden hose or the like source of water. The accessory straddles and resiliently grips the opposite sides of the engine drive shaft housing in the area surrounding the usual water intake opening.Type: GrantFiled: January 2, 1975Date of Patent: January 13, 1976Assignee: Quik-N-Easy Products, Inc.Inventor: Roger J. Lawler
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Patent number: 3931829Abstract: A valved serviced outlet for oxygen having a number of improved features including an improved guiding and locking means, an improved door, improved valving means and an improved valve body.Type: GrantFiled: November 26, 1974Date of Patent: January 13, 1976Assignee: Oxequip Health IndustriesInventors: David A. McWhinnie, Jr., Laurence G. Viero, Donald J. Freeburg
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Patent number: 3931830Abstract: A system for pumping of liquid under pressure, in which a pressure switch is adapted to control the starting and stopping of the pump within a safe pressure range, and in the event of malfunction of the pressure switch, the service line and associated plumbing is isolated from the pump to protect against development of pressures in the serviceline which might damage the plumbing.Type: GrantFiled: March 20, 1974Date of Patent: January 13, 1976Assignee: Jacuzzi Bros. IncorporatedInventor: Darrell D. Gritz
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Patent number: 3931831Abstract: An elongated thin walled elastic member arcuately shaped and connected on the inside wall of a pipe section having a portion deformable under fluid pressure permitting fluid flow in one direction only.Type: GrantFiled: May 2, 1974Date of Patent: January 13, 1976Inventor: George F. French
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Patent number: 3931832Abstract: This invention relates to pneumatic control systems, particularly to a timing device for the same, wherein a control device is maintained at a constant speed by means of a balance wheel or flywheel, whose kinetic energy furnishes a pneumatic signal and which mechanically shifts a valve to pass on the pneumatic signal. The shifting of the valve is adjustable.Type: GrantFiled: June 27, 1974Date of Patent: January 13, 1976Inventors: Karl Hodler, Erich Walter
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Patent number: 3931833Abstract: A fluidic device comprising a housing having operate and release compartments separated by a passage is arranged with a pressure source for forcing a deformable moving element from either compartment into a deformation chamber connecting to the release compartment. The moving element is deformed to increase its potential energy by an amount which is sufficient to effect the element's movement from the deformation chamber to the operate compartment upon termination of the pressure.Type: GrantFiled: October 2, 1974Date of Patent: January 13, 1976Assignee: Bell Telephone Laboratories, IncorporatedInventor: Donald Lee DeGregory
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Patent number: 3931834Abstract: An expansion tank is divided into two non-communicating chambers by a flexible elastomeric diaphragm having a peripheral outward projecting, sidewall engaging protrusion that is held in compressed and sealing engagement with the tank walls by a backup ring. The diaphragm-ring assembly facilitates insertion of the diaphragm, provides a positive seal, and prevents the assembly from being forced out of position by extreme pressure differentials.Type: GrantFiled: June 26, 1974Date of Patent: January 13, 1976Assignee: The Goodyear Tire & Rubber CompanyInventor: Eugene Caillet
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Patent number: 3931835Abstract: A vent structure for reliable long term operation at high temperatures is fabricated by annealing a tubing of predetermined length and size, filling the tubing with fine alumina particles, flattening and coiling and pressing an upper portion of the tubing at predetermined pressures, annealing the formed tubing, and installing a particulate filter in the undeformed lower portion of the tubing. For use in venting helium generating reactor control pins located under hot molten sodium, a vent assembly including the vent structure and providing an air lock between the outer molten sodium and the vent is affixed to the upper end of each control pin.Type: GrantFiled: January 28, 1974Date of Patent: January 13, 1976Assignee: McDonnell Douglas CorporationInventor: Joseph C. McGuire
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Patent number: 3931836Abstract: A process is provided for bonding otherwise incompatible resin systems to form laminated resinous articles. A first resin layer is coated with a solvated coating which forms a surface solution with the surface of the first layer. Thereafter, a second resin layer is bonded to the coating. The coating contains a butadiene resin, a portion of the resin used in the second layer, and curing agent for the resin. The process is particularly adapted to bonding polyvinyl chloride pipe cores to epoxy-impregnated glass fiber overwrap to form improved laminated plastic pipe.Type: GrantFiled: October 15, 1973Date of Patent: January 13, 1976Assignee: Johns-Manville CorporationInventor: William Charles Thiele
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Patent number: 3931837Abstract: An improved carrier for use on a shuttleless loom of the type in which yarn is inserted into the warp shed from a stationary source located outside of the warp and in which a free end of the previously cut warp is gripped by the inserter carrier between biased gripper finger and a yarn guide finger to carry the end to approximately the mid point between the two sides of the loom, in which the improved inserter carrier has a yarn gripping element whose axis of rotation can be spatially varied to assure accurate and uniform contact between the gripping surfaces of the pivotable gripper element and the yarn guide element.Type: GrantFiled: March 5, 1975Date of Patent: January 13, 1976Assignee: Rockwell International CorporationInventor: Richard L. Volpe