baber/WOPTO huggingface dataset:
Patent EP-0390243-A2 (EP)
Inventor: BACK ANTHONY CHARLES
IPC: F16J15/34
Filed: 1990-03-13
Abstract: A mechanical face seal for producing a seal between a shaft (10) and housing (11) includes a first seal face member (12) adapted to be secured in fluid tight manner and in fixed axial relationship to the shaft (10) by means of a retaining sleeve (13) and a second seal face member (15) adapted to be secured in fluid tight manner, in fixed rotational relationship but movable axially of the housing (11) by means of a bellows unit (16). The bellows unit (16) is secured to a tubular retaining ring (20), the end of the bellows unit (16) remote from the second seal face member (15) engaging a cylindrical face of a plane cylindrical portion (21) of the retaining ring (20) and being secured thereto in fluid tight manner, the retaining ring (20) having a flange formation (22) by which the retaining ring (20) may be located with respect to the housing (11).
Patent EP-0393737-A2 (EP)
Inventor: MIDDELHOEK JAN
IPC: H01L29/788
Filed: 1990-03-26
Abstract: Each memory cell of an electrically-programmable semiconductor memory has a field-effect transistor (5,6,11,12) with a charge-storage region (11). Efficient and fast injection (18) of hot carriers into the charge-storage region (11) is achieved by vertical punch-through of a depletion layer (1′) to a buried injector region (2), by application of programming voltages (Vb and Vd) to a control gate (12) and to the surface of the punch-through region (1). Non-injected carriers (19) are removed via at least the transistor drain (6) during the programming. A well-defined punch-through region (1) can be obtained with a higher-doped boundary region (3) at at least one side of the punch-through region (1) to restrict the lateral spread of the depletion layer(s) and prevent parasitic connections. This permits closer spacing of the injector region 2 to other regions of the memory cell, e.g. source and drain regions (5 and 6), and the injector region (2) may adjoin an inset insulating field pattern (29). A compact cell array layout can be formed with a common connection region (8) for the injector regions (2) of two adjacent cells and for either a source or drain region (5 or 6) of four other adjacent cells. The control gate (12) and an erase gate (14) may both be coupled in the same manner to the charge-storage region (11), and the cell can be operated with complementary voltage levels for writing and erasing. A feed-back mechanism with the start of injection from the punch-through and injector regions (1 and 2) can provide a well-defined charge level limit for the erasure.
Patent EP-0427302-A2 (EP)
Inventor: WADA YASUMITSU C O PIONEER ELE
IPC: G11B7/085
Filed: 1990-06-28
Abstract: A master optical disk recording apparatus comprising: an optical head for recording information on a disk surface of a master optical disk by irradiating a recording light beam, the optical head including support device for supporting an objective lens, and driving device fixed on the supporting device for moving the objective lens in a direction of said optical axis of the objective lens and in a radial direction of the optical disk; carriage device including the optical head for moving in the radial direction of the optical disk to carry said optical head; reflection device for reflecting a laser beam; and displacement measuring device for measuring a distance of a moved position of the optical head from a reference position in accordance with a reflection light beam from the reflection device, wherein the laser beam is emitted by said displacement measuring device.
Patent EP-0415476-A2 (EP)
Inventor: HARTSTONE JOHN LEWIS
IPC: A01J5/01
Filed: 1985-04-25
Abstract: The present invention relates to a liquid metering arrangement including a liquid meter (1) and at least one sample chamber (4) in communication therewith; transfer means (3) being provided to allow for the passage of liquid from said meter (1) into said sample chamber (4); valve means being provided in association with said transfer means (3); an air inlet (6) being provided adjacent an upper portion of the sample chamber (4) and having valve means (7) associated therewith; a liquid outlet pipe (14) being provided within said sample chamber (4) and extending out of an upper portion thereof, so as to be connectable to a sub-sampler (12); the arrangement being such that on an amount of liquid being present within said sample chamber (4), said valving (7) associated with said air inlet (6) into said sample chamber (4) is opened allowing an inlet of air, thereby causing closure of said valving associated with the liquid transfer means (3) and further causing liquid within the sample chamber (4) to pass through the liquid outlet pipe (14) to said sub-sampler (12). 
     There is also provided a sample arrangement for obta­ining a sample of liquid from a liquid flow, including a housing (60); liquid inlet and outlet means (20,21) being provided; a liquid flow line (23) extending therebetween and within said housing (60); a chamber (30) being provided and adapted so as to releasably engage a sample vial or container (40); said liquid flow line (23) being in comm­unication with said chamber (30)such that a proportion of   liquid passing through said liquid flow line (23) is able to pass into said chamber (40).
Patent EP-0418967-A2 (EP)
Inventor: BROWN GORDON LAVELLE JR
IPC: B24C1/04
Filed: 1990-09-17
Abstract: A sign apparatus comprising: a sign body having: a) at least one first and at least one second laminate material means, each having one predominant pattern and interstitial cavities defined therethrough, b) hardened resin commonly interspersed throughout said first laminate material means and said second laminate material means interstitial cavities, and c) at least one shaped opening defined downwardly into said first laminate material means.
Patent EP-0390310-A2 (EP)
Inventor: BERTRAND KEITH J
IPC: G06F5/00
Filed: 1990-01-29
Abstract: A data packer receives n-bit wide parallel data words, and it outputs m-bit wide packed parallel data words, where n is a variable and may change during the operation, and m is a fixed integer. The input data words are applied to a bit shifter (30) and therefrom to a data output circuit (40,48) where they are stored until the necessary m bits are obtained. In the preferred embodiment a control circuit which comprises an adder (63) receives information indicating the number of valid data bits in each input word, and provides a running sum of the number of received valid data bits. When the number of bits in an input word is equal to or greater than m, the control circuit provides a first control signal which occurs simultaneously with an m-bit wide packed parallel output word provided by the output circuit. Any number of input bits which is less than m is added to a remainder of a previous sum which is also less than m. When the obtained sum is equal to or greater than m, a second control signal is provided simultaneously with an m-bit wide packed word provided by the output circuit. The control circuit applies the running sum as a third control signal to the bit shifter, effecting shift of the next received data word by a number of bit positions corresponding to that sum. The number indicated by the third control signal also corresponds to the number of bits currently stored in the output circuit.
Patent EP-0396418-A2 (EP)
Inventor: HAMPL EDWARD F JR C O MINNESOT
IPC: B41M5/44
Filed: 1990-05-03
Abstract: This invention provides oligomer-free polyesters that consist essentially of repeating, interpolymerized units derived from isophthalic acid and/or terephthalic acid, and 9,9-bis-(4-hydroxyphenyl)-fluorene, a process for making such polyesters and articles comprising said polyesters such as electrical capacitors, optical films and fibers.
Patent EP-0405740-A2 (EP)
Inventor: DOAN TOAN
IPC: G01B7/34
Filed: 1990-05-18
Abstract: Method and device for detecting interferences between surfaces of cooperating elements, including detecting the impact energy generated by an interference between a first surface and a surface protrusion of a second surface, and detecting a protrusion of interest based upon such impact energy. A preferred embodiment includes integration of an interference signal from a transducer associated with one of the surfaces. The integral is used to compare the seriousness of an interference against an interference energy threshold. Embodiments include a head/disk interference (HDI) detector.
Patent EP-0430421-A2 (EP)
Inventor: CHIHARA KOHJI Y
IPC: C08G18/69
Filed: 1990-10-18
Abstract: A heat curable composition, comprising:
     A.    a blocked polyurethane obtainable by reaction of a hydroxyl functional hydrogenated polydiene or polyolefin intermediate with at least 1.8 equivalents of a polyisocyanate for each equivalent of said hydroxyl functional intermediate, and blocking with a blocking agent, the equivalent ratio of said polyisocyanate to said blocking agent being from about 0.5 to about 2.0, said hydroxyl functional intermediate having on average at least 1.5 hydroxyl groups per molecule and a number average molecular weight of from about 500 to about 15,000;   B.    a crosslinking agent having -NH₂, -NHR⁶ (where R⁶ is an alkyl having from 1 to 4 carbon atoms), -OH, or -SH curing groups, the amount of crosslinking agent being such that the ratio of blocked isocyanate groups to curing groups is from about 0.8 to about 4.0, and   C.    from about 1 to about 100 parts by weight of silicone oil per 100 parts by weight of blocked polyurethane.   
     Also, methods of preparation of the compositions, and their use as low-friction abrasion-resistant coatings, particularly on EPDM glass run channels for automobiles.
Patent EP-0431744-A2 (EP)
Inventor: HUNT NICKOLAS JOHN ROBERT
IPC: A01G25/09
Filed: 1990-10-29
Abstract: The invention relates to a device to maintain the alignment of two articulated elongate members, particularly adjacent spans (3) of a mobile irrigator or pivot (2), there being a flexible joint (6) between the spans, connecting them together and having freedom of rotation about the x- and y- axis and limited freedom to rotate about the z-axis, the joint including a sensor device (10) for sensing movement and converting same to electrical energy for feeding to a computer for correcting alignment. The sensor may be a Hall Effect device or an optical sensor device.
Patent EP-0436393-A2 (EP)
Inventor: IRIGUCHI JIROU
IPC: C08G12/30
Filed: 1990-12-27
Abstract: A method for the manufacture of an methylolated cyclohexanecarboguanamine by subjecting cyclohexanecarboguanamine to the methylolating reaction with a formaldehyde while keeping the amount of an alcohol present during the process of methylolating reaction below 20% by weight based on the amount of said formaldehyde and keeping the pH value of the reaction system in the range of 8 to 13 and the temperature thereof in the range of 50° to 80°C between the time said reaction is started and the time said reaction is completed.
Patent EP-0412901-A2 (EP)
Inventor: BIANCHETTI ALBERTO
IPC: C07D211/70
Filed: 1990-08-07
Abstract: The invention relates to the use of trifluoromethyl- phenyltetrahydropyridines of formula : 
<IMAGE>
 in which Alk represents a straight- or branched-chain alkylene group having from 1 to 4 carbon atoms and R represents a cyano group, an acetyl group, a cycloalkyl group having 3 to 7 carbon atoms, a phenyl group, a p-tolyl group, a pyridyl group, a pyridyl 1-oxide group or a naphthyl group, and their pharmaceutically acceptable salts, for the manufacture of medicaments for the treatment of disorders of intestinal motor function, and especially the treatment of constipation. 
<??>It also relates to 1-[2-(4-tolyl)ethyl]-4-(3-trifluoromethyl- phenyl)-1,2,3,6-tetrahydropyridine, its pharmaceutically acceptable salts and pharmaceutical compositions containing them.
Patent EP-0442395-A2 (EP)
Inventor: MENKE WILHELM
IPC: F41J5/052
Filed: 1991-02-08
Abstract: A dartboard consists of a skeleton having spokes and tyres (2) limiting between them a plurality of zones, in each of which a spring-loaded segment (4) is guided axially displaceably. A contact plate (9) having contacts serves for indicating hits for each segment (4). To simplify and improve a dartboard of this type, the segments possess rearwardly pointing tenons (33), on each of which is arranged an elastic contact cap (34') triggering the hit contact. The contact cap (34') has a plurality of spherical elevations (51) arranged in a triangle and resting on the contact plate (9). <IMAGE>
Patent EP-0443427-A2 (EP)
Inventor: BITO MASAMI
IPC: C08J3/12
Filed: 1991-02-13
Abstract: A process for producing hollow particles of crosslinked melamine resin having a uniform particles diameter, said process comprising subjecting a water-soluble methyl-etherified-melamine resin precondensate to condensation reaction in the presence of a curing catalyst in an aqueous solution containing a water-soluble polymer with carboxyl groups or water-soluble copolymer of ethylenically unsaturated carboxylic acid monomer, when the reaction liquid becomes turbid, adding to the reaction mixture a substance which dissolves or swells the melamine resin, and continuing the condensation reaction, if necessary.
Patent EP-0458200-A2 (EP)
Inventor: NOMURA TOSHIYUKI
IPC: G01J5/02
Filed: 1991-05-16
Abstract: In a radiant thermometer, in which infrared rays radiated from a point (11) to be measured are focused on a light-receiving surface of a detector (4) by means of a condensing lens (3), a visible sighting light source (5) is arranged on an optical axis of said condensing lens (3) on the side opposite to said light-receiving surface of said detector (4) and a sighting lens (9, 10) with an optical axis thereof coinciding with said optical axis of the condensing lens (3) is arranged outside of a circumference of the condensing lens (3) so that a sighting light from said sighting light source (5) may be focused on said point (11) to be measured by means of said sighting lens (9, 10), so that said point (11) to be measured can be accurately made coincide with also a minute portion to be measured.
Patent EP-0475303-A2 (EP)
Inventor: SAGER BILL C
IPC: C12N5/071
Filed: 1991-09-06
Abstract: Hollow fiber structures for culturing mammalian cells in an agitated media are disclosed. These hollow fibers have a cylindrical wall surrounding a lumen preferably open at opposite ends of the fiber and have a length along the axis parallel to the lumen of not more than 5 centimeters. Hollow fiber structures which have their exterior surface coated to prevent cell attachment and growth thereon are also disclosed.
Patent EP-0481564-A2 (EP)
Inventor: SEI MIKIO
IPC: C08L23/16
Filed: 1991-10-14
Abstract: An oily matter carrier is made to carry an oily matter dispersed in a substrate of an ethylene-α-olefin copolymer having a smaller density than a predetermined value. An exudation of the oily matter out of the carrier can be thereby effectively restricted.
Patent EP-0439317-A2 (EP)
Inventor: LITTLE ROGER WARREN
IPC: B23B27/06
Filed: 1991-01-21
Abstract: A threading insert is provided of a type that includes a mount portion and a plurality of arms radiating therefrom that each forms a pair of cutting edges, which is rugged, facilitates accurate positioning of the insert on the tool holder, encourages reliable breaking of cutting chips, and enables internal threading in a small diameter hole. One insert includes four arms (34-40, Fig. 3) radiating from a mount portion (24), with each arm having a radially outer edge (52) and a pair of opposite sides (54, 56), and forming a cutting edge (58, 60) at the interception of each side with an end of the outer edge. The mount portion has four flat locating surfaces (42-48) lying at the sides of an imaginary square, with each locating surface lying between a pair of arms and with there being an obtuse angle (D) between each locating surface and an adjacent side of an arm. The side of each arm extends only a short radial distance before intersecting a flat locating surface, which results in rapid breaking of chips and there being a considerable distance between a central hole in the insert and each locating surface to avoid insert breakage. Each arm outer edge subtends an angle of no more than about 30°.
Patent EP-0459628-A2 (EP)
Inventor: KIRI MOTOSADA
IPC: G01B15/00
Filed: 1991-04-29
Abstract: Pixel-forming detection 1 which count photons are connected to individual circuits T₁ which generate, via inverters 10 and 11, coded signals A o  and A₁, representing the positions of those detectors which are receiving photons. Signals DTCT indicate the detection of a photon while H/L signals indicate the energy of the received photon. 
     The use of the coded signals A o  and A₁ for position information avoids the need for individual signal transmission circuits for each detector.
Patent EP-0460966-A2 (EP)
Inventor: PHILLIPS ROGER W
IPC: C23C14/08
Filed: 1991-06-07
Abstract: Barrier film (11) with a high colorless transparency comprising a flexible plastic substrate (12). A nucleation layer (16) is formed on the surface and has a thickness ranging from approximately 50 to 100 Angstroms and is formed of a material selected from the group of aluminum oxide, tin oxide and yttrium oxide. A barrier layer (17) formed of silicon dioxide is then formed on the nucleation layer.
Patent EP-0474475-A2 (EP)
Inventor: PEROAHO TAPIO
IPC: F01C21/10
Filed: 1991-09-04
Abstract: A centrifugal pump for pumping fiber suspensions including a centrifugal pump housing (50) defining a centrifugal pump chamber (54) having a suspension inlet and suspension outlet. Located within the pumping chamber is a centrifugal impeller (60). A vacuum pump chamber (76) defined by a front wall (112) facing the impeller and a rear wall (110) and opposite the front wall is located adjacent the centrifugal pumping chamber (54). A vacuum pump rotor (96) is mounted within the vacuum pump chamber at a distance from the front and the rear walls (112, 110). The axial distance between the vacuum pump rotor and the front and rear walls (112, 110) is adjustable to a value of less than 0.30 mm, and preferably less than about 0.20 mm.
Patent EP-0480597-A2 (EP)
Inventor: WINCN JOHN M
IPC: H04L25/49
Filed: 1991-09-24
Abstract: A complementary metal oxide semiconductor, single, phase-lock loop decoding apparatus allows extraction of a clock signal from Manchester-encoded data. A filter couples a phase-frequency detector to a voltage-controlled oscillator. Output of the voltage-controlled oscillator is fed back through a scaling circuit to the phase-frequency detector which is used to lock on to the reference signal. First, the reference signal is provided from an established reference frequency from a crystal-controlled oscillator having 0.01% resolution. A multiplexer selects the external clock reference in response to a select signal and directs the clock signal to the reference input of the phase-lock loop. The phase-lock loop is operated to lock onto the reference voltage. The phase-lock loop has a narrow bandwidth, fast acquisition time because of time constants established by the filter and the voltage-controlled oscillator. Upon receipt of a Manchester-encoded signal, the preamble portion of the signal is selected by use of the multiplexer and directed to the reference input of the detector. The phase-lock loop, in response to a control signal, suspends operation at a known transition until a corresponding transition in the preamble occurs. The phase-lock loop is started in a synchronized fashion with the reference signal and has a nominal frequency equal to that of the phase-lock loop. Therefore, the phase-lock loop is able to accurately track and lock onto the reference voltage within the few bit times of the preamble even though it has the narrow bandwidth. Thereafter, decoding data by use of an extracted clock, 5 MHz components of the data will not appreciably affect the operation of the phase-lock loop allowing accurate decoding of the signal. By completion of data, the multiplexer reselects the reference in anticipation of receipt of another data packet. The phase-frequency detector is sensitive to both phase and frequency and use of a charge pump in the detector allows operation of the phase-lock loop to be halted without appreciably affecting voltage levels into the voltage-controlled oscillator without adversely affecting any timing circuits such as one-shot timers used in the decoding circuit.
Patent EP-0484036-A2 (EP)
Inventor: ROTENBERG DON H
IPC: B24B13/005
Filed: 1991-10-22
Abstract: Components for use in the formation of a finished or partially finished ophthalmic lens, such as lens blocks (10) and prism rings and edging blocks and adapters for example, are formed from a carbon fiber reinforced crystalline thermoplastic containing at least 30% by weight carbon fiber based on the total weight of the component. The reinforced thermoplastic has a minimum tensile strength of at least about 20,000 psi, a minimum flexural strength of 2 x 10⁴ psi, a minimum flexural modulus of 2 x 10⁶ psi, and a specific gravity of less than 1.60. The lens block (10) includes a unique arrangement of ribs (18) to strengthen the block and increase its heat transfer properties. Metal finishing centers (44) are inserted into the block and are ultrasonically vibrated or heat staked in order to cause the plastic material to flow around and into serrations formed on the finishing centers.
Patent EP-0508166-A2 (EP)
Inventor: KOTRABA NORMAN LOUIS
IPC: C21B13/00
Filed: 1992-03-17
Abstract: The invented pellet reclamation process includes forming green pellets of a mixture of steel furnace dust, a carbonaceous material such as coal, charcoal, lignite, petroleum coke, or coke, and an organic binder. The green pellets are fed over a layer of burnt pellets on a rotary hearth furnace which successively conveys the pellets first through a drying and coking zone in which the pellets are dried and any volatile matter driven out of the carbonaceous material. The pellets then travel through a reduction zone where the pellets are subjected to a higher temperature at which the contained iron oxide is reduced and remains within the pellets and the zinc, lead and cadmium oxides are reduced, volatilized, re-oxidized and carried off as oxides in the waste gases. The reduced pellets (DRI) are ultimately carried into a discharge zone where they are discharged from the rotary hearth furnace. An apparatus for performing the process is also disclosed.
Patent EP-0519250-A2 (EP)
Inventor: BUCKLER ROBERT T
IPC: G01N22/00
Filed: 1992-05-29
Abstract: A method for determining a ligand in a test sample wherein a liquid test mixture is formed in which microparticles, e.g., metal sol particles, are aggregated as a direct or inverse function of the presence or amount of said ligand in said test sample, the microparticles having an effective dielectric constant that is significantly different from the dielectric constant of the test mixture in the absence of ligand in the test sample, and any change in dielectric constant of the test mixture in the microwave region is measured by means of microwave spectroscopy. Aggregation can occur in a liquid solution or suspension or at the surface of a solid substrate. Changes in the dielectric constant of the test mixture is preferably measured with a microwave stripline resonance device. The method can be used to perform a variety of binding assays, including immunoassays and nucleic acid hybridization assays.
Patent EP-0533195-A2 (EP)
Inventor: IWAMURA RYUICHI
IPC: H04N7/50
Filed: 1992-09-18
Abstract: In a picture signal encoding and/or decoding apparatus, respective blocks composing of 8 x 8 pixels are segmented into four subblocks composing of 4 x 4 pixels. A flatness of picture data is judged (1) for every subblock. New picture data is generated by folding (2) flat subblocks indicated with logic 1 and unflat subblocks indicated with logic 0, and then this picture data obtained by folding is discrete cosine transformed (4). Whereas it is able to high efficient encoding.