baber/WOPTO huggingface dataset:
Patent EP-0402934-A2 (EP)
Inventor: NAKAYAMA MASAAKI C O TOKYO-SEI
IPC: B23B27/16
Filed: 1990-06-15
Abstract: The invention relates to an insert clamped tool comprising a tool holder (19), a cutting insert (21), a clamp (25) and a pressing mechanism for pressing the clamp (25) to urge the cutting insert (21) against the bottom (20a) and the side walls (20b) of an insert-receiving pocket (20). The insert-receiving pocket (20) is formed at a forward end of the tool holder (19). The tool holder (19) has an inclined surface (19b) sloping inward in a direction away from the insert-receiving pocket (20), and the cutting insert (21) is received on the insert-receiving pocket (20). The clamp (25) is held in abutting engagement with the cutting insert (21) and has a sliding face (29a) held in contacting engagement with the inclined surface (19b) of the tool holder (19).
Patent EP-0409105-A2 (EP)
Inventor: SENGA MINORU
IPC: C08G75/0277
Filed: 1990-07-13
Abstract: In a process for preparing a polyarylene sulfide by polycondensation of a dihalogenated aromatic compound with a source of sulfur in an organic polar solvent, the resulting polyarylene sulfide in a powdery form is added to a polycon­densation system containing the dihalogenated aromatic compound and the source of sulfur in the organic polar solvent and subjected to polycondensation, thereby producing the polyarylene sulfide in a granular form. The granular polyarylene sulfide is easier in handling and higher in qualtiy than the powdery polyarylene sulfide. The powdery polyarylene sulfide recovered can be reused so that the process is economical. Also the powdery polyarylene sulfide containing low molecular components such as oligomers is separated from the granular polyarylene sulfide so that the granular polyarylene sulfide is more useful than the powdery one.
Patent EP-0417735-A2 (EP)
Inventor: FARINA ATTILIO
IPC: H03J1/00
Filed: 1990-09-11
Abstract: The television receiver comprises a remote control device (1). The main characteristic of the apparatus consists in the fact that said remote control device (1) provides for cyphering in an exclusive way the control codes which it transmits and that the receiver shows an exclusive decyphering circuit capable of decyphering said cyphered control coded received from the remote control transmitter. Therefor, the remote control transmitter (1) can only and exclusively operate together with the coupled receiver set (2-7).
Patent EP-0421329-A2 (EP)
Inventor: KOBAYASHI TOSHIAKI
IPC: C07D493/04
Filed: 1990-10-01
Abstract: Disclosed is a process for preparing a diacetal compound of the formula (I) such as a dibenzylidene sorbitol, comprising the steps of(i) condensing an aldehyde compound and a polyhydric alcohol in the presence of an acid catalyst and when required a lower alcohol in a hydrophobic organic solvent to give a reaction mixture containing a diacetal compound, (ii) neutralizing the reaction mixture, (iii) washing the mixture with water, (iv) removing the solvent from the mixture thus washed, and (v) drying the residual mass; the process being characterized in that an amine such as, for example, di(C₁₀-C₂₆ alkyl or alkenyl)amine substituted on the nitrogen atom with a C₁-C₄ alkyl group or with a group of the formula (̵C₂H₄O) q H wherein q is an integer of 1 to 4, or a (C₁₄-C₂₂ alkyl or alkenyl)amine substituted on the nitrogen atom with one or two groups of the formula (̵C₂H₄O) q H wherein q is 1 to 4, is added during the period from the formation of the reaction mixture to the completion of the drying step.
Patent EP-0430227-A2 (EP)
Inventor: KAWAKAMI KENJI
IPC: D01F6/80
Filed: 1990-11-29
Abstract: An elastic synthetic polymer filament having a multi-lobated cross-sectional profile is composed of (A) a filamentary axial constituent extending along the longitudinal axis of the filament, and (B) 3 to 8 filamentary lobe constituents radically protruding from and extending along the filamentary axial constituent each having a constricted portion thereof through which each filamentary lobe constituent is connected to the filamentary axial constituent, the cross-section of the filament satisfying the relationship (I):      wherein d₁ is a largest cross-sectional width of each filamentary lobe constituent (C).
Patent EP-0379380-A2 (EP)
Inventor: MATSMIYA TOSHIHARU
IPC: B29C65/04
Filed: 1990-01-19
Abstract: A method of connecting plastic tubes by high-frequency heating comprising providing an electrode block (10) having at least two electrode members (11, 12) each having annular bores (11c, 12c) aligned with each other, the electrode block including at least one insulator (13) interposed between the electrode members, the insulator having a bore (13c) aligned with those of the electrode members, inserting an end portion of one tube (30a) into one electrode member and an end portion of another tube (30b) into the other electrode member so that both tube ends keep contact with each other in the bore of the insulator, and applying a high frequency voltage between the electrode members.
Patent EP-0414431-A2 (EP)
Title: A method for gravel packing a well
Inventor: JONES LLOYD GARNER
IPC: E21B43/04
Filed: 1990-08-13
Abstract: A method for gravel packing a well penetrating an unconsolidated or poorly consolidated subterranean oil or gas reservoir. The well can employ a borehole casing with perforation tunnels for fluid communication between the borehole casing and a substantial portion of the reservoir. A sand screen is located inside the well casing and in juxtaposition with the perforation tunnels forming an annulus between the borehole casing and the sand screen. One or more conduits are positioned in juxtaposition with the sand screen with openings to provide fluid communication between the conduit and a substantial portion of the annulus between the borehole casing and the sand screen. A slurry of gravel is injected down through the annulus between the borehole casing and the sand screen until the annulus being packed thereby plugging the annulus between the casing and the sand screen, the slurry of gravel will continue to flow down the conduit and into the annulus below the gravel bridge thereby completely packing the annulus between the sand screen and the borehole casing. The oil or gas in the reservoir is then produced through the gravel packed borehole casing and the sand screen. If desired, the slurry of gravel may be injected down the well and up the conduit and annulus to accomplish complete packing. The method is also applicable to placing gravel packs in an open-hole wellbore adjacent to a substantial portion of an unconsolidated or poorly consolidated subterranean oil or gas reservoir.
Patent EP-0427410-A2 (EP)
Inventor: WATANABE SHUNSO FRANK
IPC: F02D11/10
Filed: 1990-10-18
Abstract: A throttle valve actuator (10) is provided for connecting a throttle valve (14) of a motor vehicle to the accelerator pedal in either a dir,ect or remote drive mode. A coupling mechanism (28) is provided for coupling and uncoupling a throttle valve (14) to the accelerator pedal linkage (26) and a specified relative orientation in response to a control signal. The coupling mechanism includes a drive element (54) coupled to the accelerator pedal, a driven element (46) coupled to the throttle valve (14) and a control element (48) cooperating with the drive and driven elements (54,56). A remotely operable stop (64) is provided to fix the control element (48) in a specified position directly coupling the accelerator pedal (22) to the throttle valve (14) when in the direct drive mode and releasing the control element (48), when in the remote drive mode. The remote drive mechanism (42) automatically positions the throttle valve (14), when the control element is free when in the remote drive mode.
Patent EP-0427433-A2 (EP)
Inventor: SCOTT RICHARD CHARLES
IPC: H05B3/74
Filed: 1990-10-29
Abstract: A radiant electric heater (10) has two coiled resistance wire heating elements (22,24) each connected to one terminal (N) of a power supply via respective rectifiers. These rectifiers are each made up of two like-poled arms of a bridge rectifier (34) connected in parallel, and they are arranged to allow current through one heating element (22) on positive-going half-cycles of the power supply waveform, and through the other heating element (24) on negative-going half-cycles. The elements are rated for continuous power dissipation under these circumstances. A PTC thermistor (36) is connected between the ends of the heating elements connected to the rectifiers. Optionally an NTC thermistor (40) can be connected in series with the PTC thermistor. 
     Upon initial energisation the PTC thermistor is a near short-circuit, so current flows through both heating elements on both polarity half-cycles, dissipating twice their rated power. The elements increase in temperature more quickly than if they were initially energised at only their rated power, so the visible response of the elements to energisation is faster. Meanwhile the PTC thermistor increases in resistance owing to self-heating, thereby removing the short-circuit after a few seconds, reducing the power dissipation in the elements to its normal level and protecting them from excessive operating temperatures.
Patent EP-0434248-A2 (EP)
Inventor: GREER NIGEL PETER JEREMY
IPC: G06J1/00
Filed: 1990-11-30
Abstract: An electrical power measuring device wherein signals (V i , V v ) representing one of the current and voltage supplied to a lead are applied to the input of a sigma delta modulator (9), and the state (0 or 1) of the modulator output together with the polarity of the other one of the voltage and current values, is used to determine the sense in which the digital signals representative of successive samples of the other one of voltage and current values are accumulated in an accumulator (11). The count in the accumulator (11) consequently increases at a rate representative of the power supplied to the load.
Patent EP-0419299-A2 (EP)
Inventor: THIMON JACQUES
IPC: B65B11/02
Filed: 1990-07-27
Abstract: Procéde de mise en oeuvre d'un chariot de dévidement de film d'emballage comportant un arbre support pour une bobine de film, un dispositif à rouleaux destiné à être incorporé à une machine d'emballage comportant une phase pour mettre en place la bande de film dans le dispositif à rouleaux (2) comportant deux rouleaux principaux amont et avant (3,4) définissant un passage (5) et deux rouleaux de renvoi amont et aval (8,9) associés aux rouleaux (3,4) se trouvant, dans leur localisation finale opérationnelle respectivement écartés en amont de l'ouverture d'entrée (6) et en aval de l'ouverture de sortie (7) du passage (5) caractérisé en ce que : . On part d'un état initial dans lequel les rouleaux (8,9) sont aménés à une localisation initiale temporaire de mise en place ; . On introduit une extrémité intiale (19) du film (1) entre les rouleaux (3) et (8) en direction du rouleau (4) ; . On fait pivoter les rouleux (3,4) et on fait défiler une certaine longueur de film (1) ; . Et on amène par un déplacenent relatif les rouleaux (8,9) à leur localisation finale opérationnelle.
Patent EP-0434641-A2 (EP)
Inventor: BARISONI MARIO
IPC: C22C/
Filed: 1990-12-13
Abstract: The present invenzion concerns a process for the production of semiprocessed non oriented grain electrical steel. More precisely it provides a solution to the technical problem of obtaining non oriented grain sheet or strip characterized by high magnetic permeability and low magnetic losses. 
According to the invention, starting from a steel with a low S, N and C content, through appropriate selection of hot-rolling variables and high-temperature annealing prior to cold rolling, a big improvement is achieved in the magnetic characteristics of the product, thanks to a better compromise between grain size and crystal orientation.
Patent EP-0451797-A2 (EP)
Inventor: HAMANO AKITO C O TOYO BOSEKI K
IPC: B32B27/36
Filed: 1991-04-09
Abstract: A void-containing polyester-type film is obtained by drawing a resin composition sheet consisting of a polyester, and a thermoplastic resin which is not compatible with the polyester in at least one direction. The film of this invention has a film base material consisting mainly of the polyester, fine particles consisting mainly of the thermoplastic resin which are dispersed into the film base material, and fine voids formed around the fine particles. The film of this invention has a surface layer having 3 µm or more thickness, a void percentage of 4% by volume or less in an area having 3 µm thickness from its surface, and an average void percentage of 8% by volume to 50% by volume. 
     The film of this invention has excellent softness, lightness, and hiding power, and excellent surface strength. The film can be used as a base material for a label, etc.
Patent EP-0459393-A2 (EP)
Inventor: KOBAYASHI KAORU
IPC: G10H5/00
Filed: 1991-05-28
Abstract: A musical tone synthesizing apparatus is designed to simulate a physical phenomenon of a non-electronic musical instrument providing a sound generating element and an activating element. Herein, the sound generating element has its specific resonance characteristic, while the activating element imparts an excitation vibration to the sound generating element. This apparatus contains a plurality of loop circuits (510, 520) each including at least one delay element, wherein these loop circuits are connected together such that a signal picked up from one loop circuit is introduced into another loop circuit. This signal circulating through each loop circuit is delayed by a delay time which is controlled by a predetermined parameter corresponding to a desirable musical tone to be generated. In addition, an excitation signal, corresponding to the excitation vibration, is applied to at least one of the loop circuits. Preferably, the non-electronic musical instrument is a piano, so that the sound generating element is a string and the activating element is a hammer which strikes the string. Further, number of the loop circuits is set corresponding to the number of strings to be provided with respect to each key of the piano.
Patent EP-0463574-A2 (EP)
Inventor: MATSUKAWA TADAHIRO
IPC: G06T11/20
Filed: 1991-06-20
Abstract: A method for dividing and developing a Bézier curve by making use of a control computer, an error calculator, a Bézier curve divider and an output device is improved. The improved method consists of the steps of:
     (a) inputting coordinates of end points and control points of a Bézier curve to the control computer;   (b) calculating squares of distances of the input control points from a straight line connecting the end points, as errors;   (c) dividing the curve into two parts and newly inputting coordinates of end points and control points of a Bézier curve by employing the dividing point on the Bézier curve and one of the end points in the step (b) respectively as new end points, in the event that the error calculated in the Step (b) exceeds a tolerable range;   (d) repeating the steps (b) and (c) with respect to the control points and end points of the curve input in the step (c) until the errors calculated in the step (b) fall in the tolerable range; and   (e) connecting the end points of the respective divided curves to develop the original curve;    the calculation and evaluation of the errors in the step (b) being carried out with respect to the respective control points.
Patent EP-0473102-A2 (EP)
Inventor: GONIA PATRICK S
IPC: H04L1/00
Filed: 1991-08-27
Abstract: A high performance transport layer checksum calculation unit (16) is described for use in computer data communications systems which provides simultaneous general purpose data movement and checksum calculations. Data must be copied from the main memory (20) of a computer (12) in order to be transmitted and often a checksum must be calculated on the data for error detection purposes. The invention involves performing both of these tasks simultaneously thus requiring only one scan of the data memory. The checksum calculation method improves throughput capacity via a unique hardware architecture supporting delayed checksumming of packet segments. A net improvement for packets larger than a certain size is achieved via partial addition during DMA controlled memory access allowing improved average cycle time per data packet segment.
Patent EP-0495159-A2 (EP)
Inventor: WEDEMANN ERNST
IPC: B08B9/055
Filed: 1991-10-21
Abstract: Device for transporting at least one free-flowing material, which device has at least one inlet, at least one outlet and also at least one transport line connecting the inlet to the outlet. At least two connections allocated in each case to a material station (4) are arranged in such a way that they can alternatively be coupled via a connection coupling (7) to the transport line (1) adapted for a go-devil. The transport line (1) can be formed at least in certain areas from segments (12) which can be connected to one another in the area of coupling elements (11).
Patent EP-0488334-A2 (EP)
Inventor: SAGAWA MASATO
IPC: B22F3/12
Filed: 1991-11-28
Abstract: In the die-pressing method of the magnet powder and fine powder, the powder is filled at a high density in a rubber mold (10), is occasionally preliminarily magnetized (4a) in the rubber mold and is then compacted under magnetic field or without magnetic field. Cracking of the magnet green compact is prevented. A sintered compact having density of 90% or more can be produced using the fine powder.
Patent EP-0445988-A2 (EP)
Inventor: KOJIMA HIDEO C O HARUCHIKA PRE
IPC: B24B13/06
Filed: 1991-03-01
Abstract: A spherical surface machining apparatus for machining optical lenses, mirrors and so on comprises a reference cam (29), mounted on a body frame (28) located on one side of a grinding plate (10). A swing body (20) is movably mounted on the reference cam (29) for supporting a lower shaft (12) of the grinding plate (10). A driving cam follower (23) is mounted on the swing body (20) and meshes with a rack (30a) formed on part of the periphery of the reference cam (29). The lower shaft (12) of the grinding plate (10) is rotated, and the driving cam follower (23) is driven to swing the swing body (20), to thereby make free the spherical center swinging trajectory of the lower shaft (12) of the grinding plate (10). A container (40) for accommodating an optical lens, mirror or the like is transported to a predetermined position by a reciprocally movable supply conveyer (41), and fixed or released by fixing means (43, 44). Material (1) for a lens, mirror or the like, accommodated in the container, is delivered to a grinding plate (10), ground thereby, and accommodated again in the container which in turn is transported by a transporting conveyer.
Patent EP-0455477-A2 (EP)
Inventor: CAHLANDER ROBERT L
IPC: A47J27/14
Filed: 1991-05-01
Abstract: An automated food cooking system is provided for use in a quick service or fast food restaurant. In one embodiment, the system is arranged to cook french fries, chicken nuggets, fish fillets, and chicken patties. The system includes a robot (113) a bulk uncooked food dispensing station (115), a cooking station (117), and a cooked food storage station (121). The system is controlled by a computer operating and control station which controls and directs the robot to obtain bulk food from the dispensing station, place it in a cooking position at the cooking station, and, when cooked, remove the food and deliver it to the storage station at a rate required to fill anticipated customer orders. In another embodiment, the cooking station is a clam shell grill and the robot deposits on and retrieves from the grill hamburger patties in a predetermined horizontal array by means of a suitable and of arm tool.
Patent EP-0455505-A2 (EP)
Inventor: FLINK PEKKA TAPANI
IPC: H01P7/00
Filed: 1991-05-03
Abstract: The stop-band and pass-band frequencies of a duplex filter which includes a plurality of helix resonators must not change when the temperature changes. Therefore the resonators used must be temperature compensated. One known method is to injection-mold plastic bonds (3, 4) to the cover (2) of the resonator shield in such a way that the last turns of the helical coil (4) of the resonator are inside the bond (3, 4). Through a suitable selection of the bonding material it is possible in part to compensate for changes in the distance between the open end of the resonator coil and the cover of the shield and for changes in the pitch of the turns of the conductor (4) wound into a helical coil and in the coil length. In practice this compensation is undercompensated in character. According to the invention it is possible, by making one interval (pitch) (7) between the free turns of the coil greater than the others, to make the temperature compensation just right.
Patent EP-0456456-A2 (EP)
Inventor: ZEDEKAR STANLEY L
IPC: G02B26/12
Filed: 1991-05-07
Abstract: An optical scanner (10) has grease bearings (26) between the rotor (16) and the housing ( 14). The grease bearings are grooved (32) which tends to pump the grease back into the bearing cup (28). The thixotropic property of the grease prevents its escape when the optical scanner is not operating. The grease bearings can be frusto-conical or spherical in shape with a complementary shaped bearing cup. 
     The bearing cup (28), rather than the bearings, may be grooved. The bearing cup may also be stepped (Fig.3) to provide a pumping region and a reservoir region for the grease. Pressure means (88, Fig. 5) on the scanner housing may force the bearing cup onto the grease bearing.
Patent EP-0479430-A2 (EP)
Inventor: KEYS JAMES FREDERICK
IPC: B60J10/79
Filed: 1991-08-30
Abstract: A glass run channel strip (10) for providing an improved chamfered surface transition from an end flange of a vehicle to a slidable window pane (14), said glass run strip (10) comprising a core member (16), a first chamfer forming lip portion (18) extending from the core member (16) in a direction toward the glass run channel (10) and normally positioned at an angle to a window pane, said first lip portion (18) including an outer surface (20) for forming a chamfered surface between the end flange and the window pane (14), said lip portion (18) being under cut at its attachment to the core member (16) for allowing flexible hinging of the lip portion (18), wherein a second lip portion (28) extending into the glass run channel (10), said second lip portion for deflecting the window pane (14) during movement of the window pane (14) relative to the strip away from the end flange to an extend which ensures that the first lip portion (18) will hinge to its normal position for forming the chamfered surface transition.
Patent EP-0484164-A2 (EP)
Inventor: TAKEDA SHIRO
IPC: G09G3/36
Filed: 1991-10-31
Abstract: An improved row electrode driving circuit can drive a matrix type display apparatus without necessitating digital signals transmitted between partial row electrode driving circuits. Each of the partial row electrode driving circuits is allocated with a number. In each of the partial row electrode driving circuits, shift register shifts a pulse signal to sequentially output it from a plurality of outputs. At each time when a predetermined number of clock pulses have been counted, a count signal is produced. When the shift direction is set to the upper direction, a signal indicating the allocated number is produced. When the shift direction is set to the lower direction, a signal indicating a number which is obtained by subtracting the allocated number from a specified number is produced. When this number and the clock pulse count number satisfy a predetermined relationship, the pulse signal is output.