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| Number | Title | Issue Date |
| 5297577 | Culvert of vacuum sewerage An inverted siphon culvert of a vacuum sewerage in which a reduction in vacuum caused by a head at the time of passing under an obstacle such as a river is prevented. An upstream vacuum sewer 2 provided at one side of a river 1 and a downstream vacuum sew... | 03/29/1994 |
| 5297578 | Automatic shutoff valve A fuel supply system for supplying fuel from a fuel source to an internal combustion engine includes a valve assembly having a shut-off valve automatically responsive to negative pressures transmitted from an engine. The shutoff valve is diaphragm respons... | 03/29/1994 |
| 5297579 | Ball and seat-type check valve for downhole rod pump The plunger of the valve has a semi-spherical valve member of reduced diameter, so that it is inwardly spaced from the ribs of the cage. The plunger is centralized and guided by top and bottom stems attached to the ball and working loosely in apertured we... | 03/29/1994 |
| 5297580 | High pressure ball and seat valve with soft seal A valve seat for a ball valve of a positive displacement pump for producing fluid from a subsurface formation wherein the valve seat is provided by a valve assembly having a non-corrosive hollow metallic housing therein which may have an internal radial g... | 03/29/1994 |
| 5297581 | Pipeline plugger Pipeline plugger has a piston (22) on its push-pull rod (16) in a cylinder (23) the lower end (25, 26) of which is sealed to the swivel member (24) in which the push-pull rod is sealingly slidable, the upper end (29) of the cyliner (23) is slidably sealed... | 03/29/1994 |
| 5297582 | Method for water leakage prevention in pipeline A method for water leakage prevention in a portion connecting a first pipeline to a second pipeline having one end thereof in communication with a portion of the first pipeline is provided. This method includes the steps of passing elastically deformable ... | 03/29/1994 |
| 5297583 | Apparatus for limiting a leak in the event of a rupture in pipework A device for limiting a leak in the event of a rupture in pipework (1, 2), the device being characterized in that it comprises two flanges (4, 5) mounted on the pipework on respective sides of a section (3) of the pipework to be protected, the two flanges... | 03/29/1994 |
| 5297584 | Pipe seal Apparatus for covering an opening in a pipe and sealing a gas or fluid leak includes first and second pipe engaging blocks coupled to a frame. With the second block fixedly mounted to the frame and the first block movable along the frame by means of a hyd... | 03/29/1994 |
| 5297585 | Room temperature shrinkable tube A room-temperature shrinkable tube includes an elastic tube stretched to cover a cylindrical shell. An object to be coated by the elastic tube is inserted into the cylindrical shell, and the cylindrical shell is slid out from the elastic tube, so that the... | 03/29/1994 |
| 5297586 | Flexible metal hose assembly incorporating modified braid ring with annular member having tools flats A flexible metal hose assembly includes a corrugated tube surrounded by a braid. A modified braid ring is mechanically interconnected with an annular hex member. The modified braid ring is then located at the ends of the tube braid and welded to a fitting... | 03/29/1994 |
| 5297587 | Sealed double wall steel tubing having steel outer surface A non-corrosive double-wall tubing in which an unbrazed, unsealed continuous double-wall tube of a given circumference is formed from a metal sheet composed of a first non-ferritic metal having a first defined region of exposed non-ferritic metal and a se... | 03/29/1994 |
| 5297588 | Pipe insulation end cap An assemblage and method for covering the terminal end of an insulated pipe.... | 03/29/1994 |
| 5297589 | Heddle frame with detachable corner connections In a heddle frame with detachable corner connections each heddle support has a horizontal projection extending into a cavity of the frame stave and is clamped in place with the use of set screws. The frame stave is constructed of stable longitudinal bands... | 03/29/1994 |
| 5297590 | Papermaking fabric of blended monofilaments A fabric for use with a paper forming machine comprising a set of MD blended synthetic monofilaments having a first diameter and which are in a five shed Atlas weave pattern with the MD monofilaments passing over four and under one of the CD monofilaments... | 03/29/1994 |
| 5297591 | Hollow fiber bundle A hollow fiber bundle in which the hollow fibers are in the form of warp threads of woven hollow fiber tapes. The plurality of hollow fibers are held together by a low density, double weft thread. The hollow fiber bundles may form an angle with the length... | 03/29/1994 |
| 5297592 | Method of discharging a weft yarn wound around a drum When a weft yarn is broken between a fixed drum type weft yarn measuring and storing device and a picking nozzle, the weft yarn extending to a winding yarn guide is reliably delivered to a yarn suction device by the steps of generating an air current insi... | 03/29/1994 |
| 5297593 | Steel line closed loop forming tool A tool member having a rigid U-shaped frame includes a first crank arm cooperative with a plurality of guide posts, and an L-shaped bending arm to effect bending of a metallic wire member into a first loop, with a second crank arm cooperative with the U-s... | 03/29/1994 |
| 5297594 | Vapor recovery nozzle A vapor recovery nozzle having a turbine located in the nozzle portion which is driven by the flow of fuel. The turbine rotates an impeller also located in the nozzle which draws in the vapor during pump. The nozzle also has a hydraulic system which autom... | 03/29/1994 |
| 5297595 | Apparatus for introducing volatile fuel into a storage tank An apparatus for introducing fuel having a volatile hydrocarbon component into an on-board fuel storage tank of an automotive vehicle with reduced discharge of fuel vapors into the surrounding atmosphere, the apparatus including a fuel filler cap having a... | 03/29/1994 |
| 5297596 | Detergent dispenser A dispensing assembly in combination with a beverage brewing apparatus for controllably dispensing and directing a cleaning material into a brewing chamber of the beverage brewing apparatus. The brewing chamber has a receiving mouth through which the clea... | 03/29/1994 |
| 5297597 | Container filler indexing counter A container filler indexing counter is provided for an automatic filling machine, which consists of a conveyor having a belt and guide rail for carrying a plurality of containers therealong. Two cylinders are spaced apart and adjustably mounted to the con... | 03/29/1994 |
| 5297598 | Coin bag holding device for coin handling machines A bag holding device for coin bags which require periodic removal and replacement. The device comprises a tube with an open upper end which receives coins and an open lower portion which fits into the mouth of a coin bag. A support bracket receives the tu... | 03/29/1994 |
| 5297599 | Closure device for sealing reagent containers in an automatic pipetting system A closure or cap for a reagent container for use in an analysis system in which an automatic pipetting device is used for transferring small quantities of reagent from the reagent container to reaction cells. In order to simplify the process of handling t... | 03/29/1994 |
| 5297600 | Container emptying device A device is provided for emptying bottles containing semi-viscous fluids. It consists of a base member, an upper member having a recess, a resiliently flexible sleeve contained within said recess of said upper member, and a plurality of vertical supports ... | 03/29/1994 |
| 5297601 | Triple head high speed log debarker A log debarker for debarking a lengthwise-moving log includes a pair of debarking subassemblies each including a pair of cylindrically concave, rotating cutter elements positioned angularly asymmetrically toward one side of the log and away from an opposi... | 03/29/1994 |
| 5297602 | Wooden pole bender A method and fixture for placing a permanent bend into a wooden pole. In the preferred embodiment, a fixture includes a center block receiving the center portion of a pole having the opposite ends of the pole extending through the opposite ends of the fix... | 03/29/1994 |
| 5297603 | Combined wiper and club head cover A combined wiper and head cover for a golf club, including a club head scrubber, and the method of applying the cover to the club and in particular to a putter. The cover includes a towel section and a head-engaging section secured to the towel section fo... | 03/29/1994 |
| 5297604 | Tread for radial carcass tires for heavy vehicles Tread for heavy-vehicle tires with radial carcass having at least one cirferential groove (1) in the form of a broken line and wide transverse grooves (2) in the form of a broken line defining blocks, the wide transverse grooves (2) having walls of const... | 03/29/1994 |
| 5297605 | Foldable tire chain attaching aid The invention is a sloped apparatus for holding auto tires for the placement of chains around the tires. The apparatus has a pair of sloped surfaces each of which has a notch running across its width. At the top of the apparatus is a cup shaped surface fo... | 03/29/1994 |
| 5297606 | Combination of a tire and rim for avoiding the dislodging of the beads of the tire In order to improve the resistance to dislodging of the beads of a tire ur severe conditions of travel, the combination in accordance with the invention is formed of said tire and a rim (1) the seat of which, placed on the outside of the vehicle, has a c... | 03/29/1994 |
| 5297607 | Sheet curtain with vertical blind actuating mechanism The curtain consists of a single, translucent, yet untransparent fabric sheet, hung to sliders carried by a track, the latter track anchored in horizontal position against a vertical wall above a window frame. A cord at the end of the track operates the s... | 03/29/1994 |
| 5297608 | Tilter mechanism A tilter mechanism for rotating a headrail so as to tilt slats of a Venetian blind includes a fixed hollow drum secured to the headrail; a hollow rotary mechanism rotatably fixed in the hollow drum, including a pulley section and an fixing section engaged... | 03/29/1994 |
| 5297609 | Investment casting of metal matrix composites A method for forming a metal matrix composite within a mold of investment material. The method comprises the steps of forming a preform mixture of liquid flow medium, binding agent and reinforcement into the desired shape of a metal matrix composite. Then... | 03/29/1994 |
| 5297610 | Pressure casting method and apparatus A pressure molding method and apparatus uses a mold with a casting cavity and a pouring gate through which a molten metal is fed into the casting cavity. After feeding a molten metal into the mold through the pouring gate to fill the casting cavity and po... | 03/29/1994 |
| 5297611 | Casting of metal objects The mould assembly comprises mould segments of generally non-thermally conductive material which define a mould cavity for receiving liquid metal through at least one in-gate. A thermal extraction member of a high thermally conductive material contacts a ... | 03/29/1994 |
| 5297612 | Method for controlling the clamping forces exerted on a continuous casting mold An improved method for controlling the clamping forces exerted on opposing sidewalls of a casting mold during a continuous casting operation, which comprises the steps of presetting the mold for the maximum load to be experienced by the sidewalls of the m... | 03/29/1994 |
| 5297613 | Process and apparatus for producing rotationally symmetrical bodies A method for producing a rotationally symmetrical body from a molding material, such as a molten metal, which comprises atomizing the molding material in liquid form through a spraying nozzle that is disposed relative to a spray receiving the sprayed mold... | 03/29/1994 |
| 5297614 | Process for continuous casting of ultra low carbon aluminum killed steel A process for continuous casting of ultra low carbon aluminum killed steel, characterized in that the steel contains 6-20 ppm of calcium, less than 0.01 wt % of sulfur, and less than 30 ppm of oxygen, the molten steel superheat temperature in the tundish ... | 03/29/1994 |
| 5297615 | Complaint investment casting mold and method A high melting point and/or low ductility metal or alloy is investment cast in a refractory mold including a facecoat layer and a plurality of back-up layers wherein at least one back-up layer is a relatively weak, sacrificial layer. This latter layer is ... | 03/29/1994 |
| 5297616 | Heat-insulated packing for the refrigerated or hot transport of receptacles containing food products The present invention relates to a heat-insulated packing for transporting at least one receptacle containing food products. The packing comprises a box constituted by a series of removable heat-insulated trays mounted in superposed manner, between the li... | 03/29/1994 |
