baber/WOPTO huggingface dataset:
Patent JP-2001179970-A (JP)
Title: Ink jet head and method of making the same
Inventor: IKEDA KOJI
IPC: B41J2/055
Filed: 1999-12-24
Abstract: PROBLEM TO BE SOLVED: To suppress a thickness of a projection section which is created on a piezoelectric actuator 2 at the face opposite to a pressurizing chamber structure body 1 by maintaining a good displacement characteristic of the piezoelectric actuator 2 in an ink jet head which is so constituted that the piezoelectric actuator 2 having a common electrode 2b and individual electrodes 2c, 2c... provided on both faces of a piezoelectric layer 2a is provided, at a side of an opening section 1b, to the pressurizing chamber structure body 1 having an ink pressurizing chamber 1a. SOLUTION: The piezoelectric layer 2a is provided so as to cover roughly the whole face of the pressurizing chamber structure body 1 at the side of the opening section and a restriction plate 3 is provided to the face of the piezoelectric actuator 2 at the side of the pressurizing chamber by each opening section 1b of each ink pressurizing chamber 1a.
Patent JP-H11193659-A (JP)
Title: Locking device
Inventor: YOKOOJI ATSUSHI
IPC: E05C5/02
Filed: 1997-12-26
Abstract: PROBLEM TO BE SOLVED: To surely prevent the unexpected unlocking of a lock, simply do unlocking work and allow unlocking even in a small gap. SOLUTION: An engagement groove is provided on one side of a connection and an engagement protrusion 10 engageable with the engagement groove 3 is provided on the other side of the connection to perform locking/unlocking with the engagement/disengagement of the engagement groove 3 with/from the engagement protrusion 10. A fastening mechanism 11 to fasten the engagement groove 3 and the engagement protrusion 10 engaged with each other to the connecting direction and a sliding groove 4 to slidingly separate the engagement protrusion 10, disengaged in the condition that it is kept fastended by the fastening mechanism 11, from the engagement groove 3 in the connecting direction are provided.
Patent JP-H11192550-A (JP)
Title: Arc working machine
Inventor: NITTA AKIRA
IPC: B23K9/067
Filed: 1997-12-26
Abstract: PROBLEM TO BE SOLVED: To provide an arc working machine which does not bring an electrode into contact with an object to be worked, applies a high frequency high voltage between them and then, starts an arc. SOLUTION: In an arc working machine equipped with an invertor circuit 5 to invert an DC power source and an output of the DC power source into AC power, an output transformer 6 to covert an output of the invertor circuit 5 into a prescribed voltage, a rectifying circuit 7 to rectify an output of the output transformer 6 into an DC current, a high frequency high voltage generating circuit 10 to supply a high frequency high voltage through a coupling coil 11 connected in series to one side of an output terminal of the rectifying circuit 7 and a by-pass capacitor 9 connected in parallel to the output terminal of the rectifying circuit 7,  a bi-directional voltage switch 19 to transmit a current at not less than a constant voltage higher than the output voltage of the rectifying current 7 and lower than the rated voltage of each element of the rectifying circuit 7 is connected in series to the by-pass capacitor 9.
Patent JP-H10324949-A (JP)
Title: Steel for manufacturing connecting rod, and manufacture of connecting rod
Inventor: JEONG DAE HYUN
IPC: C21D9/00
Filed: 1997-12-26
Abstract: PROBLEM TO BE SOLVED: To save the manufacturing cost without adding expensive alloy elements by containing C, Si, Mn, P, S, Cr, Ni and Cu of the prescribed wt.% in Fe. SOLUTION: The steel contains, by weight, 0.45-0.60% C, 0.15-0.35% Si, 0.80-1.50% Mn, <=0.03% P, 0.030-0.065% S, <=0.2% Cr, <=0.2% N, and <=0.2% Cu. The steel is used for manufacturing a connecting rod. The steel is hot forged. That means, the press forging and hammer forging is achieved in the temperature range of 1150-1250 deg.C, and the connecting rod is cooled in the air immediately after the forging, and when the connecting rod is cooled to 500-600 deg.C, the connecting rods are cooled making use of a conveyor and a hanger so that the hot connecting rods are not brought into contact with each other. Hardening, tempering, and heat treatment can be dispensed with thereby.
Patent JP-2000191864-A (JP)
Title: Polymer composition
Inventor: YAMAMOTO YOSHIMASA
IPC: B60R21/34
Filed: 1998-12-25
Abstract: PROBLEM TO BE SOLVED: To provide a material which is free from surface stickiness and sagging of a molded at a melt state which has just been extruded from a die article in contour extrusion of automobile windshield moldings, etc., exerts a high moldability, flexibility, chemical resistance, adhesion, frictional properties, etc., and is especially suitable as automobile claddings. SOLUTION: The tilted composition is prepared by blending, against 100 pts.wt. polymer component comprising from 20 to 80 pts.wt. graft-modified product (A), prepared by graft modifying an ethylene/unsaturated ester copolymer with an unsaturated carboxylic anhydride, and from 80 to 20 pts.wt. hydrocarbon thermoplastic elastomer (B), from 0.1 to 5 pts.wt. organic carboxylic acid metal salt (C).
Patent JP-2000195824-A (JP)
Title: Method for arranging semiconductor chips
Inventor: ITAYA TAKUSHI
IPC: H01L21/301
Filed: 1998-12-25
Abstract: PROBLEM TO BE SOLVED: To provide a technology that can arrange chips automatically and appropriately. SOLUTION: A virtual wafer 10 and a mask 19 are moved relatively, after an orientation flat 12 is overlapped on a scribe line 16x in an X-direction and the number of non-defective products is counted, and a result corresponding to the quantity of relative movement is stored every time, when the number of non-defective products varies. Thus, the relation between the quantity of relative movement and the number of non-defective products can be recognized, so that chips can be arranged in such a position, where the largest number of non-defective products is obtained or the number thereof is stabilized.
Patent JP-2000192037-A (JP)
Title: Lowly alkaline soil conditioner/solidifier and alkali elution inhibitor
Inventor: SATO TOSHIHARU
IPC: C09K103/00
Filed: 1998-12-25
Abstract: PROBLEM TO BE SOLVED: To provide a lowly alkaline soil conditioner/solidifier which can perform the conditioning of soft ground or high-water-content soil and the inhibition of a subsequent pH increase at a time and to provide an alkali elution inhibitor added in preparing the soil improver/conditioner. SOLUTION: The alkali elution inhibitor is a mixture of silicified metamorphosed alunite with gypsum. This mixture is prepared by mixing 100 pts.wt. silicified metamorphosed alunite with 25-400 pts.wt. gypsum. The lowly alkaline soil conditioner/solidifier is prepared by adding the above alkali elution inhibitor to a limy or cemental soil conditioner/solidifier.
Patent JP-2000192726-A (JP)
Title: Door closer
Inventor: KAWADA NORIFUMI
IPC: E05F3/10
Filed: 1998-12-25
Abstract: PROBLEM TO BE SOLVED: To provide a door closer capable of preventing the sound of flow from being generated when entrained air passes through a regulating valve in a flow regulating passage by causing the entrained air to remain in a predetermined portion so as not to enter the flow regulating passage. SOLUTION: A door closer main body 1 is provided with a third fluid chamber 16 communicated to a second fluid chamber 11 via a communication passage and a predetermined amount of air 5 is entrained into the third fluid chamber 16, the third fluid chamber 16 side passage opening 28 of the communication passage projecting toward the third fluid chamber 16 so as to be able to prevent the air 5 in the third fluid chamber 16 from entering a fluid chamber.
Patent JP-2001188337-A (JP)
Title: Method for forming photomask and method for manufacturing semiconductor device
Inventor: HASEBE SHIGERU
IPC: G03F1/32
Filed: 1999-12-28
Abstract: PROBLEM TO BE SOLVED: To form a semiconductor mask which is decreased in pattern dimensional differences between congested patterns and isolated patterns by interposing dummy patterns to a transparent substrate. SOLUTION: In a first step, a photoresist is subjected to patterning processing by an ordinary technique so as to simultaneously form light shielding films in regions A and light shielding films over the entire area of region B, by which the mask formed with the light shielding films 11a, 11b and 11c of the regions A and the light shielding films 12 of the regions B is formed. As a second step, the photoresist is applied and formed to cover the light shielding films on the transparent substrate 10 formed in the first step and the photoresist is subjected to patterning processing by the ordinary technique to cover only the regions A and to remove the light shielding films of the regions B, by which the semiconductor mask formed with the patterns of the light shielding films only in the regions A is formed.  The intervention of the dummy patterns during the mask forming stage decreases the pattern dimensional difference between the congested patterns (11a) and the isolated patterns (11b and 11c) in the semiconductor mask (photomask) where both patterns coexist.
Patent JP-2000190493-A (JP)
Title: Head of ink jet printer and method for forming head
Inventor: TANIGUCHI OSAMU
IPC: B41J2/16
Filed: 1998-12-28
Abstract: PROBLEM TO BE SOLVED: To improve a printing quality by providing a groove to the side of a nozzle of a piezoelectric element set to a side face of a pressure chamber, thereby preventing a shift from being transmitted, enhancing a compression efficiency by the piezoelectric element to the pressure chamber and preventing an unnecessary shift from being transmitted to the nozzle in relation to a head of an ink jet printer and a method for forming a head. SOLUTION: The head of the ink jet printer is constituted of a piezoelectric element set to a side face of a pressure chamber for compressing the pressure chamber, a fixed nozzle plate with nozzles which is set to a face perpendicular to a longitudinal direction of the pressure chamber and a channel plate set to a face perpendicular to the longitudinal direction of the pressure chamber at the opposite side to the side of the nozzle plate for supplying ink from holes. A groove is formed to a face of the piezoelectric element set to the side face of the pressure chamber in touch with the nozzle plate to stop the transmission of a shift by the piezoelectric element.
Patent JP-2000209109-A (JP)
Title: Transmitter, power control system and power control method
Inventor: MOTIER DAVID
IPC: H04B1/04
Filed: 1999-12-28
Abstract: PROBLEM TO BE SOLVED: To provide a power control method that controls power received by a mobile equipment (receiver) and transmitted by a base station (transmitter), and to provide a transmitter and a power control system. SOLUTION: The receiver 20 of an electric communication system controls power transmitted from the transmitter 10. The receiver 20 generates a difference signal based on a difference between an object power and the received power by the receiver 20 and transmits the signal to the transmitter 10. The transmitter 10 generates a power revision command signal PC(n) on the basis of the difference signal RC(n) received via a reverse channel 32 and of at least another signal (s) generated in itself, integrates the power revision command signal PC(n) to obtain a transmission power command signal T(n) and converts it into an actual power t(n).
Patent JP-H11271697-A (JP)
Title: Photoelectric type frequency divider circuit and operation method therefor
Inventor: CISTERNINO FRANCESCO
IPC: H04L7/00
Filed: 1998-12-14
Abstract: PROBLEM TO BE SOLVED: To provide a simple photoelectric type frequency divider circuit for indicating excellent frequency stability and phase lock adapted to a high frequency operation. SOLUTION: This circuit is provided with an electro-optical mixer like a linearly operated electro-optical Mach-Zehnder modulator 2. The modulator 2 receives the optical signals Pin of a divided frequency as input in addition to the electric signals e3 of a required frequency corresponding to the frequency obtained from division. Output optical signals Pout from the modulator 2 indicate a modulation spectrum including the frequency difference of the divided frequency and at least one higher harmonic of an electric signal frequency. After being converted into the electric signals e1 , the output signals of the mixer are filtering-operated (8), frequency difference components are extracted and the frequency difference components are used as the electric signals e3 for mixing and output signals e2 from a divider.  Preferably, it is applied to an OTDM(optical time division multiplex) system and the synchronizing signals of a branch signal frequency are extracted.
Patent JP-2000178357-A (JP)
Title: Production of fine silicone particle
Inventor: HARADA YUKINOBU
IPC: C08G77/06
Filed: 1998-12-14
Abstract: PROBLEM TO BE SOLVED: To produce fine silicone particles while enabling the average particle size to be controlled accurately and efficiently in a specified range by hydrolyzing a methyltrialkoxysilane in acidic water preadjusted to a specified electric conductivity by the addition of an acid catalyst and dropping the resultant hydrolyzate into an aqueous alkali solution to polycondense the hydrolyzate. SOLUTION: A methyltrialkoxysilane: CH3Si(OR)3 [wherein R is a (substituted) alkyl] is hydrolyzed in acidic water preadjusted to an electric conductivity of 0.5-200 mS/m, and the resultant water-alcohol solution of CH3 Si(OH)3 and/or a partial condensate thereof is dropped into an aqueous alkali solution and thus is polycondensed, giving fine silicone particles having an average particle size controlled in the range of 0.1-1 μm. An aqueous inorganic acid solution prepared by dissolving an inorganic acid, which acts as a catalyst, in an excess amount of water is used as the acid catalyst. Water added to the acid catalyst is preferably ion-exchange water having an electric conductivity of 0.1 mS/m or lower. The amount of water is preferably 2-10 mol per mol of the methyltrialkoxysilane.
Patent JP-2001188266-A (JP)
Title: Method for manufacturing cell for electrochromic mirror and electrochromic mirror
Inventor: IGAI KEIZO
IPC: G02F1/161
Filed: 1999-12-28
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing a cell for an electrochromic mirror eliminating a sealing defect of a seal and suppressing the reduction of performance in the cell and to provide the electrochromic mirror using the cell. SOLUTION: The method for manufacturing the cell for the electrochromic mirror comprises a stage for applying an epoxy sealing agent on a prescribed position of a peripheral part on the surface of at least one conductive substrate of two sheets of conductive substrates, a stage for pre-curing the applied sealing agent before the two sheets of substrates are laminated and a stage for sticking the two sheets of substrates to each other by curing the sealing agent while the two sheets of substrates are laminated.
Patent JP-H11315315-A (JP)
Title: Metallurgical reaction apparatus for treating molten metal under reduced pressure
Inventor: JAN DIDIER
IPC: C22B9/04
Filed: 1998-12-22
Abstract: PROBLEM TO BE SOLVED: To provide a refining apparatus for high purity steel extremely low in carbon content or extremely low in nitrogen, hydrogen and oxygen contents. SOLUTION: This metallurgical reaction apparatus is provided with a closed vessel 17, a means 20 arranged in the closed vessel 17 so that the pressure in the closed vessel 17 is made higher than the atmospheric pressure by charging gas into the inner space and a means for lifting up a ladle 2 toward a chamber 25 during treating. The ladle 2 is set above the closed vessel 17, and the upper end part 23 of the closed vessel 17 is closed during treatment and supports the bottom part 28 of the chamber 25. Also, means 31, 32, 33 for listing up laddle 2 and charging the gas into molten metal 1 in the chamber 25 are provided.
Patent JP-H04213828-A (JP)
Title: Manufacture of semiconductor device
Inventor: MIYAJIMA MOTOMORI
IPC: H01L21/306
Filed: 1990-12-10
Abstract: PURPOSE:To provide the formation method of a flat element separating film for facilitating the fine processing of a device in relation to the formation of said film. CONSTITUTION:1) The title manufacture is composed of the following three steps i.e., the first step wherein an oxidation resistant film is formed on a part of a substrate and then the substrate is thermal-oxidized using said oxidation resistant film as a mask to form an oxide film, the second step wherein said surface is coated with a fluoric acid resistant film and then said fluoric acid resistant film on said oxide film is removed and the third step wherein said oxide film is etched back using said fluoric acid resistant film as a mask as well as a fluoric acid base solution to flatten said substrate surface 2) Said substrate and fluoric acid resistant film are respectively composed of silicon as well as silicon or photoresist. 3) After finishing said etching back step, the polishing step of said substrate surface is performed.
Patent JP-H04214353-A (JP)
Title: Ink density control of printed matter
Inventor: ASO ITSUO
IPC: B41F31/04
Filed: 1990-12-12
Abstract: PURPOSE:To control the density of ink to be used for a pictorial pattern numerically and thereby adjusting the density automatically by adjusting the gap between the peripheral surface of an ink fountain roller of a monochromatic printing unit so that the density of ink in the monochromatic print part of a pictorial pattern of printed matter is the same as that of the monochromatic print part of a pictorial pattern of a proof. CONSTITUTION:The ink densities of the monochromatic print part (a) of a pictorial pattern on a proof A and that of the monochromatic print part (b) of the same pictorial pattern of printed matter B are measured using a monochromatic densitometer 21, and measured densities Da, Db are entered in a control device 1. The density Db is compared with the density Da as a reference using the control device 1, and the gap S between an ink fountain roller 4 and an ink key 5 on an inking device 3 of a printing unit which prints a color for the monochromatic print part (b) is adjusted using the control device 1, if there is a chromatic density difference. Further, the ink quantity fed from the ink fountain roller 4 is adjusted, and the ink density of the monochromatic print part (b) is controlled so that the densities Db, Da coincide with each other.
Patent JP-H04217727-A (JP)
Title: Heat exchanging device for air conditioner
Inventor: AOKI TAKAHARU
IPC: F24F5/00
Filed: 1990-12-17
Abstract: PURPOSE:To prevent rain water or the like from entering into a heat exchanging device (an outdoor device) and to facilitate a repairing and a maintenance of internal electrical component parts in the heat exchanging device of an air conditioner by a method wherein a complete partition is set between a chamber of the heat exchanger and a chamber of a compressor. CONSTITUTION:A partition plate 4 placed between a chamber 2 of a heat exchanger and a chamber 3 of a compressor is provided with a recess 22. A radiation plate 28 is disposed at the chamber of the heat exchanger. Some electrical component parts 30 are disposed at a chamber of a compressor. A relay 25 having an engaging part 27 to be engaged with a recess 22 of a partition plate is disposed between the radiation plate 28 and the electrical component parts 30. The radiation plate 28 becomes a part of the partition plate so as to accomplish a complete partition for bath chambers. In addition, a thermal radiation effect is promoted by a blower 6 within the heat exchanger. The engaging part 27 is removably attached, so that the internal electrical component parts can be easily repaired and maintained.
Patent JP-H04208236-A (JP)
Title: Method for gas-phase fluorination of aliphatic chlorinated or chlorofluorinated hydrocarbon
Inventor: RUI FUOORUCHIE
IPC: C07C17/00
Filed: 1990-12-19
Abstract: PURPOSE: To efficiently achieve the titled, gaseous phase fluorination by using hydrofluoric acid and a catalyst prepared by impregnating active carbon with a CrO 3  aqueous solution, the active carbon having a specified total specific surface area and a high mezzo- and macro-porosity.  
     CONSTITUTION: Chlorinated or chlorofluorinated derivatives of methane and ethane are fluorinated in gaseous phase with catalysts consisting of CrO 3  deposited on active carbon. Said catalysts are characterized by an active carbon support having a total specific surface area ≥1000 m 2 /g (more preferably 1000-1400 m 2 /g), a surface area of pores of 40-50 Å in radius >5 m 2 /g, and a surface area of pores greater than or equal to 250 Å in radius >2 m 2 /g, which has been impregnated with an aqueous CrO 3  solution and dried at 150°C. By using such a catalyst in two fluidized bed reactors connected in series, the target compounds can be obtained highly selectively and efficiently. 
     COPYRIGHT: (C)1992,JPO
Patent JP-H04224349-A (JP)
Title: Drive belt mounting structure, drive belt tension applying structure and head support structure
Inventor: NAKAYAMA MAMORU
IPC: F16H19/06
Filed: 1990-12-20
Abstract: PURPOSE:To provide a simple surely mounting structure for mounting a drive belt for applying drive fore to a head needing scanning like an image density measuring device. CONSTITUTION:A head 14 is formed with a belt inserting slit-like part 126 into which a drive belt is inserted. The inserting part 126 is formed on the side wall with a projection part 122A inserted in a recessed part in the drive belt to engage the drive belt, so that the head 14 can be surely fixed to the drive belt without any set screw and the like only by inserting the drive belt into the belt inserting part 126 so as to apply drive force.
Patent JP-H04223846-A (JP)
Title: Work instruction device and transfer control unit for production line
Inventor: YAO YOSHIHIRO
IPC: G05B19/418
Filed: 1990-12-25
Abstract: PURPOSE:To efficiently operate a production line producing a completed article, by executing the work selectively combining various kinds of parts in plural processes. CONSTITUTION:A partially fabricated item produced at the stage of each process 1, 2 is specified by an item number and also the part becoming a raw material, the supplier of the partially fabricated item, the supplier of a formed semi- fabricated item or part are specified. And these specified contents are allocated to each control systems 5, 6, 7 and 8 from a host system 4 as an execution program data and a stack program data. In each system the content of the transmitted data is displayed a at display parts 52, 62, 72 and 82, the work instruction is executed based on this, and also the request command is output to the supplying systems 6, 7, 8 based on the display content, or a feeding command is output to the supplying systems 5, 6, 7. The system having received the request command outputs a transfer command to a transfer control unit 9 so that the raw material is transferred from the system that a feeding command is output.