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Patents Published on 08/03/1999


See All Patents Issued In 1999


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NumberTitleIssue Date
5931194Rotary coupling for an article handler
A rotary coupling for communicating a pneumatic signal from a stationary pneumatic source to an apparatus. The rotary coupling has a housing and a rotating portion that rotates with respect thereto. The housing has at least two inlets in fluid communicati...
08/03/1999
5931195Power steering apparatus for motor vehicle with two piece inner pole member and method for making the same
A motor vehicle power steering gear has a proportional control valve with a cylindrical valve member riding rotatably on a spool shaft and connected thereto through a torsion bar. Electromagnetic apparatus for varying the magnitude of the effective restor...
08/03/1999
5931196Bypass valve
A bypass valve provides an elongated valve body defining a bore and a longitudinal axis. A first pair of axially spaced ports are attached to the valve body and include a service inlet port and a service outlet port. In addition, a second pair of axially ...
08/03/1999
5931197Asymmetrical check valve
An asymmetrical check valve has an inlet end, a transition part and an outlet end, with a pair of vertical lips facing one another. The lips may be flat or they may be curvilinear. The check valve is asymmetric about a horizontal longitudinal plane throug...
08/03/1999
5931198Fabric reinforced pipe
Reinforcement of buried or inaccessible existing pipes is achieved by applying a reinforcement layer which includes a fabric portion. A pipe system structure is achieved which permits an internal or external surface of an existing pipe wall to be reinforc...
08/03/1999
5931199Pressure-expandable conduit liner
Conduit liners and methods for their construction and use are provided. The liners include a first flexible layer mechanically bonded to at least one glass-containing layer and folded to form a tubular laminate. The laminate can be penetrable by resinous ...
08/03/1999
5931200Connector system for attachment of flexible hose to PEX supply line
A connector system that is useful for attaching a flexible hose assembly to PEX pipe produced by either the Engle or Silane process. One embodiment relates to a connector system using a nipple in combination with either an expandable PEX ring or a compres...
08/03/1999
5931201Multi-layer tubing assembly for fluid and vapor handling systems
A multi-layer tubing assembly for use in fuel-line applications. An extruded innermost semi-conductive layer of a fluoroplastic has a surface resistivity in the range of 101 to 106 ohm/sq. An inner permeation-resistant layer of a flu...
08/03/1999
5931202Apparatus for holding and guiding of heald frame rods in a weaving loom
A holding and guiding mechanism (5, 5') for connecting shaft drive rods (6, 6') in a loom includes a plurality of parallel guide tracks arranged next to each other and extending substantially vertically and defining a guide curve for a prescribed motion p...
08/03/1999
5931203Process for producing twisted, prepared lines and a device for executing the process
The invention relates to a novel process for producing twisted prepared lines, in which process at least two individual lines after their preparation are then twisted in a twisting device with clamping between two holders between which a twisting segment ...
08/03/1999
5931204Method and apparatus for introducing a pulverulent material into a tire
An apparatus for introducing a pulverulent material into a tire of a wheel assembly, through the valve stem thereof, without a large amount of operator time, effort, or intervention. The apparatus includes two main types of components--the mainframe compo...
08/03/1999
5931205Packaging
Packaging particularly for bulk materials can include container flexible container which can be contained and suspended within a lifting cradle (11) and about which lifting cradle (11) and the inner container an outer container can be positioned. The lift...
08/03/1999
5931206Automotive fuel filler pipe valve assembly
A fuel filler pipe valve assembly having a valve member with a partially substantially spherical portion pivotally disposed in a valve receptacle of a housing member, the valve member having a passage with an inlet opening and an outlet opening, and the h...
08/03/1999
5931207Portable home and garden sprayer, power unit
A multi purpose portable hand held compressed air power unit for spraying liquids from a tank or for inflating inflatable items. Said power unit having a trigger operated battery system and external electrical source provided in a housing having an electr...
08/03/1999
5931208Jig for cutting dovetail joints
A jig for cutting dovetail joints includes a rigid template (1) attached to a block (4). A T-slot (6) along the top of the block locates a stop (8) which is used to align the edges of boards into which dovetail joints are to be cut. The rigid templates (1...
08/03/1999
5931209Slidable tool table extension and locking arrangement
A locking extension for a tool table includes first and second rails slidingly mounted to opposing sides of the tool table and an extension having a support surface fixedly mounted to and spanning the first and second rails. A locking assembly for locking...
08/03/1999
5931210Tree felling disc saw head with large tree accumulation area
The felling and accumulating head has a large accumulation or storage area for severed trees, separate from the severance area at the front of the head, obtained by elevating the accumulation area to extend preferably at least over the rim of the saw disc...
08/03/1999
5931211Radial tire with specified belt reinforcing layer cord
A radial tire has a pair of bead portions; a carcass which is toroidal and extends across the bead portions; a tread portion positioned at a crown portion of the carcass; and sidewall portions of the carcass, and at least one belt reinforcing layer is dis...
08/03/1999
5931212Motorized operator for doors
An operating system for controllably moving in upward and downward directions a sectional door (D) in relation to a door frame (12) having a pair of jambs (13, 14) and an interconnecting header (15), including a counterbalancing system (30) having a drive...
08/03/1999
5931213Method of casting an engine block of aluminum
A method of casting an engine block of aluminum whose working surfaces, after milling the interiors of the cylinders, are coated with a harder metal, particularly nickel, includes inserting permanent molds in the sand mold and manufacturing the cylinder i...
08/03/1999
5931214Mold heating vacuum casting furnace
Mold heating vacuum casting furnace system comprising a mold preheating chamber located above and connected to a vacuum casting chamber via an intermediate isolation valve. A mold elevator is provided in the casting chamber and can be moved into the mold ...
08/03/1999
5931215Process for controlling the operation of a vertically guided mold for the casting of a billet
The invention relates to a process for operating a guided vertical mold, especially for the continuous casting of a steel billet, which is oscillated by a lifting device. According to the invention, the driving force (F), the lift position (x) and/or the ...
08/03/1999
5931216Adjustable continuous casting mold
Adjustable continuous casting mold for manufacturing continuously cast ingots of different dimensions, having a mold frame with a pair of stationary facing side walls and a pair of facing end walls, where at least one end wall can be displaced and each si...
08/03/1999
5931217Marine heat exchanger
A marine heat exchanger has a low profile header and cooling tube configuration to minimize drag and maximize heat transfer during use. The cooling tubes extend from at least an underside of the header so that the header vertically disposed cross sectiona...
08/03/1999
5931218Apparatus and method for cooling an axle assembly
An apparatus for cooling an axle assembly includes a housing defining a chamber having a first fluid contained therein. The apparatus also includes a conduit located within the chamber. The apparatus further includes a fluid source in fluid communication ...
08/03/1999
5931219Plate heat exchanger
A plate heat exchanger comprises a plurality of heat exchanger plates stacked one above the other. The plates each have a peripheral edge projecting from its plate plane. The heat exchanger plates succeeding one another in each case are sealingly connecte...
08/03/1999
5931220Heat exchanger
A heat exchanger has a plurality of flat tubes which alternate with fins, and the tubes and the fins are disposed one on another. Both ends of each tube are connected to a pair of right-hand and left-hand headers, in fluid communication with them. The hea...
08/03/1999
5931221Heat exchanger
In order to achieve an improvement in the recyclability of a heat exchanger by mounting a seal material for sealing the gap between the heat exchanger and the case in which the heat exchanger is mounted without using an adhesive or the like at the heat ex...
08/03/1999
5931222Adhesion promoting layer for bonding polymeric adhesive to metal and a heat sink assembly using same
A heat sink assembly and method for attaching a multi-chip module cap to a polymeric heat sink adhesive by means of a thin adhesion-promoting metal film layer, which provides an interfacial bond between the cap and polymeric adhesive meeting package perfo...
08/03/1999
5931223Heat exchanger with thermal stress relieving zone
A heat exchanger for an automotive vehicle is disclosed including a frame having a pair of headers and a pair of side supports disposed between the headers at opposite ends thereof. Each of the side supports includes a generally planar base and a pair of ...
08/03/1999
5931224Heat exchanger of the stacked plate type, in particular an evaporator for an air conditioning circuit
A heat exchanger for use as an evaporator in a motor vehicle air conditioning system comprises a multiplicity of plates stacked in pairs and defining within each pair a flow chamber for a first fluid. Between each pair of plates and the next is a flow pas...
08/03/1999
5931225Laminated heat exchanger
In a laminated heat exchanger, an intake portion and an outlet portion for heat exchanging medium are provided at one end portion in the direction of lamination. The intake portion is made to communicate with a most upstream pass distance from the one end...
08/03/1999
5931226Refrigerant tubes for heat exchangers
A refrigerant tube for use in heat exchangers comprises a flat tube having parallel refrigerant passages in its interior and comprising upper and lower walls and a plurality of reinforcing walls connected between the upper and lower walls, the reinforcing...
08/03/1999
5931227Conversion of constant volume heating/air conditioning systems
Constant volume multizone heating/air conditioning systems are converted to variable volume air conditioning systems. Energy conservation is achieved by converting the fan drive from one requiring constant volume air flow. Instead, the volume of air flow ...
08/03/1999
5931228Cooling module having a mounting plate with integral attachment sites and channels
According to a first aspect of the invention, a cooling module comprises a cooling system which comprises a radiator. A fan for generating air flow across the radiator also has a fan housing attached to the radiator in which the fan is located so that the...
08/03/1999
5931229Through tubing gravel pack system and method of gravel packing
A through tubing gravel pack assembly which is capable of being run on a coiled tubing string inside existing tubing for repairing a preexisting gravel pack. The through tubing gravel pack system comprises a hydraulically releasable running tool and servi...
08/03/1999
5931230Visicous oil recovery using steam in horizontal well
A method for recovering viscous oil from a subterranean formation through a wellbore having a horizontal section into the formation. Steam is circulated through the horizontal section to initially heat the formation and to produce fluids to the surface. A...
08/03/1999
5931231Blast hole drill pipe gripping mechanism
A mechanism for loosening the threaded joint between members of a blast hole drill string includes a wrench to hold one of the members while the other member is gripped between one arm and a jaw pivotally mounted on the arm. A hydraulic cylinder advances ...
08/03/1999
5931232Mechanical connection between base pipe and screen and method for use of the same
An apparatus for attaching a sand-control screen jacket to a base pipe comprising a base pipe connector securably engaged with the sand-control screen jacket. The base pipe connector having a plurality of protrusions for mechanically securing the base pip...
08/03/1999
5931233Two-phase fire suppression/protection method and system for structures and surrounding grounds
A two-phase fire suppression/protection method and system for structures and surrounding grounds includes a Phase1 and a Phase2. Phase1 is initiated first when a plurality of parabolic microphone sensors placed at the perimeter of the grounds surrounding ...
08/03/1999
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