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| Number | Title | Issue Date |
| 4800912 | Electromagnetically operable valve and method for producing such a valve An electromagnetic valve consists of two valve housing parts, connected by crimping and axially braced, and having a magnetic pipe care therein. A flat armature is positively connected with a spherically shaped valve closing part, which extends through a ... | 01/31/1989 |
| 4800913 | Breakaway ball joint swivel coupling A combination spherical swivel joint and quick disconnect coupling device for a fuel supply line or the like permits universal swiveling of a spherical member within a socket member while the members are connected together in flow communication, and has i... | 01/31/1989 |
| 4800914 | Gas pressure relief apparatus A pressure relief device for a process or pipeline including a vertical column, preferably open to the atmosphere near the top, having a certain level of liquid therein and a conduit loop in fluid communication with the column and attached to the column n... | 01/31/1989 |
| 4800915 | Butterfly valve A butterfly valve for controlling the flow of high temperature fluids, particularly hot gases, comprises a fluid cooled disc, fluid cooled shafts and a fluid cooled body. The coolant fluid is preferably water. The disc includes a plurality of baffle strip... | 01/31/1989 |
| 4800916 | Hedge hose bibb extension apparatus A hose bibb extension assembly includes a specially designed mounted stake adapted to be pushed into the ground in front of a hedge or the like positioned closely adjacent a wall-mounted hose bibb and impeding access thereto. A hose barb fitting is firmly... | 01/31/1989 |
| 4800917 | Fluid actuated gate valve assembly There is disclosed a non-electric fluid actuated gate valve assembly of the type intended for interposition between a static structure and a municipal sewer line to prevent sewer back-up in flood conditions formed by an enclosed chamber having a water inl... | 01/31/1989 |
| 4800918 | Tube separator A tube separator (1) having a shut-off means for separating an inlet side (2) from an outlet side (3) is provided. In order to prevent flutter of the shut-off means (4) in a pressure region changing over the shut-off means, a control valve (10) controllin... | 01/31/1989 |
| 4800919 | Flap gate assembly A flap gate installation for systems where liquids are pumped into a holding tank has a fabricated frame surrounding the port of the conduit which opens into the tank. A flap gate is hingedly connected to the top of the frame and has concavo-convex walls ... | 01/31/1989 |
| 4800920 | Pinch valve An elastomeric sleeve is placed under axial compression in a pinch valve assembly. The axial compression of the sleeve eliminates any crevices with end members that engage opposed end walls of the valve body. Further, axial compression extends cycle life ... | 01/31/1989 |
| 4800921 | Method and apparatus for dividing a single stream of liquid and vapor into multiple streams having similar vapor to liquid rations The present invention utilizes a gravity influenced liquid distribution within a substantially horizontal header which receives a liquid-vapor mixture in annular flow from a supply line and divides that single stream into multiple streams, each flowing th... | 01/31/1989 |
| 4800922 | Hydraulically controlled maneuvering device Hydraulically controlled value with a movable body (10) that is kept in neutral position under tension by two spring units (21, 22) between two pressure chambers (8, 9). The pressure chambers are connected by a common controlling conduit (25) for the sign... | 01/31/1989 |
| 4800923 | Portable emergency breathing apparatus Portable emergency breathing apparatus is disclosed which is comprised of a unitary, generally flat manifold having opposite ends and top and bottom sides and a manifold passageway between the opposite ends. Three parallel, laterally juxtaposed compressed... | 01/31/1989 |
| 4800924 | Direct drive servovalve with rotary valve An electrical force motor and servovalve combination has a rotary spool directly coupled to the motor shaft without requiring a rotary-to-linear motion convertor; the rotary spool is configured to have a cruciform metering section that cooperates with a f... | 01/31/1989 |
| 4800925 | Automobile coolant flow control A two-stage flow controller for use in a vehicle heating circuit including a housing defining an inlet and an outlet and a flow control chamber disposed between the inlet and outlet. A spring biased flow controller is disposed for sliding movement within ... | 01/31/1989 |
| 4800926 | Firebreak for conduits A system and method for passing conduit through a wall so as to maintain a firebreak for the wall wherein a coupling having relatively low thermal conductivity properties and relatively high fire resistance properties is mounted in an opening in the wall ... | 01/31/1989 |
| 4800927 | Cable insertion nozzle A cable insertion nozzle is provided of the type having a spherical seat formed by two female and male portions of a ball and socket joint, which is characterized in that in the inner peripheral surfaces of the female and male portions is formed a recess ... | 01/31/1989 |
| 4800928 | Flexible pipe A flexible pipe comprising a flexible solid pipe to which is bonded a spirally wound belt having an S-shaped cross section. The two sides of the belt are bent at parallel acute angles and successive wraps are overlapped. Cords may be inserted into the spa... | 01/31/1989 |
| 4800929 | Webbing for safety belt A webbing for a safety belt includes a main part and selvedges extending along both sides of the main part. The denier size of warp threads in at least one of the selvedges is smaller than the denier size of warp threads in the main part and decreases ste... | 01/31/1989 |
| 4800930 | Solvent for porous mass acetylene containers Disclosed are improved methods and apparatus for filling acetylene gas cylinders. In particular, acetylene containers having a porous mass contained therein and a solvent occupying a portion of the pores of the porous mass are disclosed. The solvents comp... | 01/31/1989 |
| 4800931 | Combination pressure producing and evacuation testing device According to the invention, a single structure is provided to both produce pressure in and evacuate a space. The inventive device has a barrel with a chamber and separate vacuum and pressure passageways in communication with the chamber. A check valve is ... | 01/31/1989 |
| 4800932 | Method and apparatus for judging inner pressure of filled can An apparatus for determining the internal pressure of a filled can by measuring the reaction force of a filled can body when the can is passed between back-up and measuring rolls which are spaced apart from each other by 2 mm or more than the average diam... | 01/31/1989 |
| 4800933 | Funnel and tool with cutting attachment for removing plug from vehicle oil pan A funnel of a type having a cup and a hollow stem extending from the bottom thereof whereby a plurality of struts support a member that extends upwardly from the center of the cup and is shaped so that it drivingly engages the driven end of a socket wrenc... | 01/31/1989 |
| 4800934 | Device for pouring drinks having layers of different densities A device for pouring layered drinks comprises a base portion in the form of a tray defining four recesses onto which four separate glasses can be located. A top portion has four cup member recessed in an upper surface. Each cup member has four ribs extend... | 01/31/1989 |
| 4800935 | Control lever for refrigerator with water and/or ice dispenser in door A refrigerator/freezer has an external service area with an ice/water dispenser disposed in a freezer door with color coordinated control levers for controlling the dispensing of ice/water. Each of the control levers includes a main shank portion that is ... | 01/31/1989 |
| 4800936 | Machine for felling and shaping trees A machine for felling and shaping trees is provided with a work head susped by at least two perpendicular joints one of which makes possible its horizontal swivel and the other a certain angular freedom in the vertical plane and carried by a frame consis... | 01/31/1989 |
| 4800937 | Log splitting apparatus A log splitting apparatus comprising a frame, a main splitting head and a ram means mounted on the frame. The main splitting head includes; a vertically disposed wedge including a beveled leading splitting edge beveled along an angle sloping toward one ve... | 01/31/1989 |
| 4800938 | Method and apparatus for finger jointing lumber The method of the present invention comprises scanning a piece of lumber proximate its end to determine which side of its longitudinal center line its fibers are oriented toward. The piece of lumber then is oriented such that the tangent of the cutting ci... | 01/31/1989 |
| 4800939 | Anti-skid device A chain-carrying pulley (1) is journalled on a shaft (3) fastened to an arm (4) pivotally connected to another arm (5) which in turn is rigidly fastened to the rear axle casing (6) of a vehicle. An inflatable bellows (7) extends between the arms. When inf... | 01/31/1989 |
| 4800940 | Vehicle wheels A vehicle wheel rim is disclosed a pair of bead seats, and axially inwards of and adjacent to each bead seat a circumferentially extending tire toe engaging groove. There is a secondary bead retaining means between the bead seat and the groove comprising ... | 01/31/1989 |
| 4800941 | Heavy load radial tire A heavy load radial tire is disclosed, wherein a sub-carcass layer having a cord angle substantially equal to that of a carcass layer is disposed on the carcass layer, and at least one belt layer whose cords cross at right angles the cords of the sub-carc... | 01/31/1989 |
| 4800942 | Portable tire changing stand A Tire Changing Stand is shown having a base which includes a wheel rim supporting surface which is arranged in a plane generally parallel to the ground. A dome-shaped enclosure slopes evenly away from the wheel rim supporting surface toward the ground to... | 01/31/1989 |
| 4800943 | Tire bead dislodging device A device for dislodging a tire bead from the bead seat of a wheel rim comprises a support member positionable on the upper side of the wheel rim, a pair of engaging pawl portions provided on the support member and engageable with the wheel rim from outsid... | 01/31/1989 |
| 4800944 | Single bead tire mounter A horizontally disposed vehicle wheel having a tubeless tire resting upon the wheel in a forwardly offset inclined position is located beneath a work head which is then lowered to an operating position at a fixed distance above the wheel. A radially exten... | 01/31/1989 |
| 4800945 | Strip-articulated door that turns in small radius An improved sliding door composed of articulated strips in which the novel features are a high guide containing a rotating vertical wheel that supports two adjacent strips and a rotating horizontal wheel that follow a curved track. Additional features inc... | 01/31/1989 |
| 4800946 | Windstrap for pliable roll-type overhead door A windstrap secured to a lightweight, pliable, roll-type overhead door across the width thereof reinforces the door structure maintaining it in position across a doorway when the door is in the lowered, extended position and isolating the two areas on res... | 01/31/1989 |
| 4800947 | Tension mounting system and assembly A tension mounting system and assembly for suspending a flexible sheet material in a taut condition from a generally planar support surface and providing selective tension adjustment of the flexible sheet material is provided. The mounting system and asse... | 01/31/1989 |
| 4800948 | Method of forming a thermally activated pressure relief valve A method is disclosed for forming a thermally activated pressure relief valve which is designed to be attached to a pressure vessel. The valve contains a body having an inlet and an outlet in fluid communication with each other and an insert having a heli... | 01/31/1989 |
| 4800949 | Method and installation for the continuous manufacture of pipes from spheroidal graphite cast-iron having a controlled structure The invention concerns a method and apparatus for thermally treating cast-iron pipes formed in a continuous casting die. The pipe or tube undergoes tempering by passing through a vat which is located downstream from the continuous casting die. The vat con... | 01/31/1989 |
| 4800950 | Process for manufacturing a substrate for a lithographic printing plate A substrate for a lithographic printing plate is made of a rolled aluminum alloy sheet of following composition: 0.8 to 2.0% Fe, up to 0.8% Si and up to 1.0% Mn, such that the sum of the Si and Mn contents lies between 0.3 and 1.3%, up to 0.3% Cu, up to 0... | 01/31/1989 |
| 4800951 | Air conditioner system for automobiles with rear seat occupant sensor An air conditioner system for a vehicle includes front-seat air conditioner unit, a reat-seat blower unit, and at least one connecting passage interconnecting a main duct of the front-seat air conditioner unit and a rear-seat duct of the rear-seat blower ... | 01/31/1989 |
