baber/WOPTO huggingface dataset:
Patent JP-S6447753-A (JP)
Title: Production of 3,3-dialkoxyacrylonitriles
Inventor: SATO TADAHISA
IPC: C07C67/00
Filed: 1987-08-19
Abstract: PURPOSE:To easily produce the titled compound useful for the synthesis of photographic coupler, etc., from an easily available and synthesizable compound, by reacting 3,3-dithioacrylonitriles with an alkoxide anion. CONSTITUTION:The objective 3,3-dialkoxyacrylonitriles of formula II (R1 is alkyl) can be produced by reacting a compound of formula I (R2 is alkyl, aryl or together with R1 form a heterocyclic group; X is H or substituent) with a corresponding alkoxide anion (preferably using an alkali metal alkoxide). The process is advantageous since it can be carried out without using thermal reaction necessitating high temperature or using hardly available raw materials. The alkyl group of R1 of the formula I and formula II may be substituted with methyl, ethyl, propyl, etc., and the alkyl and aryl of R2 may be substituted with an electron attractive group.
Patent JP-H0955715-A (JP)
Title: Spread spectrum radio communication device
Inventor: SAITO SHIGETOSHI
IPC: H04B1/7115
Filed: 1995-08-11
Abstract: PROBLEM TO BE SOLVED: To correctly and easily instructs paths to be followed to a plurality of demodulators. SOLUTION: The digital data demodulators which follow respective paths are placed in mutually independent operation and provided with PN code generators 313, 323, and 333 having ROMs 61 stored with PN codes respectively. Then a control part monitors a ROM address latched by an address latch circuit 64 to generate a PN address relative value, an address adder 63 adds a PN address relative value to a basic address generated by an address counter 62, and the addition address is supplied to the PN code ROM 61 to generate a PN code.
Patent JP-H0626318-A (JP)
Title: Blow-by gas recovery device for v-type engine
Inventor: YOSHIDA TOMONORI
IPC: F02M35/10
Filed: 1992-07-09
Abstract: PURPOSE:To distribute blow-by gas to each cylinder with rational layout by communicating the respective intake manifolds of both cylinder banks with each other by a communicating passage, and communicating the communicating passage with both head covers by connecting pipes provided respectively with flow regulating valves. CONSTITUTION:The respective intake manifolds 26-1, 26-2 of both cylinder banks in a V-type engine 2 are communicated with each other by a communicating passage 30. The communicating passage 30 is communicated with both head covers 10-1, 10-2 of the V-type engine 2 by connecting pipes 32-1, 32-2. Flow regulating valves 34, 36 are further disposed at the respective connecting pipes 32-1, 32-2. When the pressure of blow-by gas led in from a hose 38 rises at the driving time of the V-type engine 2, the respective flow regulating valves 34, 36 are opened. The blow-by gas is led into each cylinder from the connecting pipes 32-1, 32-2 and the communicating pipe 30 through the respective intake manifolds 26-1, 26-2 while being regulated in the quantity.
Patent JP-H06323993-A (JP)
Title: Specimen introduction device for molecular beam generation
Inventor: IMASAKA FUJITARO
IPC: G01N1/28
Filed: 1992-07-08
Abstract: PURPOSE:To perform introduction as a molecular beam which can be electrically controlled from the outside, wherein a specimen can be heated up to high temperature, and whose cross section is extended long and narrowly. CONSTITUTION:A pulse nozzle 2 with a circular pore 6 for gushing a sample and an interface part 4 for converting a gas flow of a circular cross section into another gas flow of a rectangular cross section are included. A plunger 8 with a conical edge is movably provided in the inside of the pulse nozzle 2 and the pores 6 are opened and closed. The interface part 4 has a circular pore 25 coinciding with the pore 6 of the nozzle 2 in the center of a slit support member 22 and a slit 24 is formed with a pair of slit pieces 23a, 23b in the surface of its support member 22. When the pore 6 is opened, a flow of a sample gas gushed from the pore 6 passes through the slit 24 of the interface part 4 for the purpose of converting a circle of the cross section into a rectangle and gushing as a jet in vaccum.
Patent JP-S5997156-A (JP)
Title: Electrostatic image developing carrier
Inventor: SATOU KEIJI
IPC: G03G9/10
Filed: 1982-11-26
Abstract: PURPOSE:To prepare an electrostatic image developing carrier not causing sweeping streaks, roughening, or crushing of characters on a formed image by specifying saturation magnetization and a content of metallic iron, and coating the carrier with a resin. CONSTITUTION:The carrier has 50-150emu/g saturation magnetization and 1- 50wt% metallic iron content, and the core particles thereof are coated with a resin. The core particles of said electrostatic image developing carrier are obtained by melt oxidizing commercially available pulverized type of iron powder in oxidative flames, e.g., using a combustion device 1. As said coating resin, epoxy, polyamide, acrylic, styrene, and the like resin are usable. A preferable coat thickness is 0.1-20mum. Natural oxidation of the metallic iron is hindered with such a resin coat, said content and saturation magnetization can be retained, and stable performance is obtained.
Patent JP-H0370895-A (JP)
Title: Closed type rotary compressor
Inventor: SUZUKI SATOSHI
IPC: F04C29/06
Filed: 1989-08-09
Abstract: PURPOSE:To reduce noise by arranging an oil feeding hole to the upper bearing on the position forming a closed space with the inner circumferential face of a rolling piston, the upper face of the eccentric part of a crankshaft, and the thrust face of the upper bearing, at the ascent of a crankshaft, and providing it on the crankshaft. CONSTITUTION:At a normal time, lubricating oil 4 is fed and filled in a space 21 from an oil feeding hole 14. But at large flow, when a crankshaft 5 is begun to rise by application of upward force on it due to increase of difference of pressure pulsation between the upper space 16 and the lower space 17 of a motor element 2, the oil feeding hole 14 is blockaded. Hereby, the space 21 becomes a closed space and the rising speed of the crankshaft 5 is decreased by damping action of the remaining lubricating oil 4. Hereby, the upper face of eccentric part of the crankshaft 5 is not suddenly collided with the thrust face of an upper bearing 11, and noise generated by collision is restrained.
Patent JP-S58107345-A (JP)
Title: Ink jet recorder
Inventor: KUAMI MICHITOKU
IPC: B41J2/01
Filed: 1981-12-22
Abstract: PURPOSE:To provide a titled recorder which can obtain a printing of high quality by providing an ink heating light emitting unit which emits the medium to be recorded with dots and shortening the ink fixing time in high resolution and reducing the apprehension of contaminating the surface to be printed. CONSTITUTION:A light emitting unit 10 which emits the ink on the surface to be recorded and heats it is provided on the passage of a recording sheet 3 formed with dots 16 by a recording head. The length of xenon lamp 11 is set substantially equally to the effective width of the sheet 3, and the printed  characters of one line are simultaneously heated. The effective emitting width (L) on the sheet 3 of the unit 10 is set to a length which covers all dots 16 such as seven dots of one column.
Patent JP-S6262847-A (JP)
Title: Thermoplastic elastomer
Inventor: URURITSUHI AIZERE
IPC: C08L91/00
Filed: 1986-09-03
Abstract: Thermoplastic elastomers made of 48 to 88% by weight of ethylene-propylene-diene-rubber (EPDM), 10 to 50% by weight of polypropylene (PP) and 2 to 20% by weight of a third polymer and 5 to 60% by weight of softening oil, based on the total of EPDM, PP and the third polymer, and optionally further conventional constituents, have the advantage that the softening oil does not exude.
Patent JP-H0854087-A (JP)
Title: Mechanical type pipe coupling
Inventor: KOGURE AKEMASA
IPC: F16L19/02
Filed: 1994-08-09
Abstract: PURPOSE:To improve a watertight effect by providing a cylinder part fitted in a watertight state in a pipe inner surface-lined layer from the cut surface of a steel pipe and a seal member having a flange part connected to the cut surface and forming a seal part, making contact with a coupling body lining layer, on the outer peripheral surface of the flange part. CONSTITUTION:A cap nut 16, a washer 10, and a packing 14 are inserted in the end parts of two steel pipes 15, and a seal member 18 is mounted on the end part of the two steel pipes 15. The cylinder part 19 of the seal member 18 prevents water from leaking through a gap between the steel pipe 15 and the seal member 18 to the outside. Meanwhile, a coupling body 12 is inserted in one steel pipe 15 and displaced to the other steel pipe 15 and thereafter, the cap nut 16 is screwed in the side of a coupling body 12 in such a state that the coupling body 12 is positioned astride a gap between the two steel pipes 15. During insertion of the coupling body 12 into one steel pipe 15 during the work and during displacement of it to the other steel pipe, a protrusion piece 21 is radially and longitudinally resiliently deformed as it makes contact with a corrosion proofing lining 22 and a seal pressure applied on the corrosion proofing lining 22 layer is ensured. The damage of the protrusion piece 21 during the work does not occur.
Patent JP-H0254421-A (JP)
Title: Woven fabric for surface wiping of thin film magnetic recording medium
Inventor: ITO KOJI
IPC: G11B5/84
Filed: 1988-08-19
Abstract: PURPOSE:To obtain the woven fabric for surface wiping adequate for buffing and cleaning by uniformly blending polyester long fibers having a specific diameter or below and nylon long fibers at a specific ratio and densely weaving the blended fibers. CONSTITUTION:The woven fabric for wiping is produced by uniformly blending >=50% and <=70% polyester long fibers having <=1mum diameter and the balance the nylon long fibers having <=1mum diameter and weaving the blended fibers to dense weave. The woven fabric which has an ultra-high density structure on the fabric surface, uniformize film thickness of a lubricating agent, has adequate hardness and resilience and is adequate for buffing and cleaning is obtd. in this way.
Patent JP-S6363573-A (JP)
Title: High-frequency pulse arc welding machine
Inventor: KONO HITOSHI
IPC: B23K9/073
Filed: 1986-09-02
Abstract: PURPOSE:To superimpose a high-frequency component and to prevent an arc from running out by providing a control means to supply a welding current with a prescribed value between an electrode and materials to be welded when the welding current is made under the prescribed value in a generative period to a DC power source. CONSTITUTION:When the welding current Iw attains a peak value, switching elements 2a and 5a are turned off at the same time by a control circuit 17A and the welding current Iw is restored in the DC power source 1a via diodes 7a and 8a and the welding current Iw decreases. Next, when the welding current decreases up to the lower limit value IB of the base welding current set by a setter 18A-4, the switching element 5b is turned on. When both the switching elements 2b and 5b are turned on, the welding current Iw is supplied by a second inverter INVb and when the welding current attains the set ceiling value IB2 of the base welding current, the welding current Iw is allowed to flow back. In this way, a high-frequency pulse can be superimposed and the welding Iw is avoided from being made zero.
Patent JP-H1147869-A (JP)
Title: Manufacture of parts for hydraulic device
Inventor: YAMANAKA NARIAKI
IPC: B21J5/00
Filed: 1997-07-31
Abstract: PROBLEM TO BE SOLVED: To obtain parts without pressure leakage defect caused by casting blow hole by using an aluminum alloy containing specific contents of Cu, Si, Mg, Zn, Fe, Mn and Al, forming an intermediate formed product with a die casting and further, into the high precise shape with a cold-forging and local- forming with a roll-spinning work. SOLUTION: The aluminum alloy containing by wt.% of 0.01-0.5 Cu, 0.01-0.5 Si, 0.2-0.8 Mg, 0.01-1 Zn, 0.01-0.5 Fe, 0.1-1 Mn and the balance Al is used to form a first intermediate product 1a with the die casting formation. The first intermediate product 1a is formed so that comparing with the finish product, it has thicker thickness T and the standing part 4 is thicker and its height (h) is 1/4-3/4 of height H of the finish product, and a pin 5 is not formed. The cold-forging formation is applied to the first intermediate product 1a to make a second intermediate product 1b, and oil seal grooves 2a, 2b are plastically worked to make a piston 1 for automatic change gear.
Patent JP-2000038232-A (JP)
Title: Belt conveyor device and image forming device using the same
Inventor: OCHIAI MAKOTO
IPC: B65H5/02
Filed: 1998-07-22
Abstract: PROBLEM TO BE SOLVED: To provide a belt conveyor device which prevents the elongation and deformation of an endless belt stretched and arranged rotatably and does not increase warming up time for strating the next image formation beyond necessity and an image forming device using the same. SOLUTION: In a belt conveyor device which consists of an endless belt member 1 stretched and supported on a plurality of rotatable roller members 2 and conveys an object to be supported on the belt member 1 by turning it, an environment sensor 3 detecting environment information around the belt member 1, a variable tension means 4 changing tensile force of the belt member 1, and a control means 5 reducing or releasing tensile force given to the belt member 1 by the variable tension means 4 under the condition in which the environment information detected by the environment sensor 3 when the belt member 1 stops the turning exceeds a set value specified in advance.
Patent JP-H09183462-A (JP)
Title: Grain housing container and its sealing-housing method
Inventor: YAMANAKA NOBUO
IPC: B65D41/62
Filed: 1996-08-05
Abstract: PROBLEM TO BE SOLVED: To house and hold a fixed amount of grain under a regular shape state and also under a state wherein the gain is sealed in a nitrogen gas atmosphere for which oxygen is shut off. SOLUTION: In a nitrogen gas atmosphere in a container main body 1 which has a cylindrical shape with bottom, and has a high gas barrier property, a fixed amount of a grain 13 is sealed and housed with a seal sheet 9, and a protective lid 11 is detachably fitted and installed on the mouth part 4 of the container main body 1 being sealed with the seal sheet 9 to constitute this gain housing container. The nitrogen gas purge of the inside of the container main body 1 is achieved by the jetting of nitrogen gas from a purge pipe which is inserted to the bottom part of the container main body 1, and the quality retention of the grain 13 extending to a long period of time, and the housing and the holding of the grain 13 after unsealing, are easily achieved.
Patent JP-2000037225-A (JP)
Title: Vessel body for filling melted matter
Inventor: MIZUMOTO OSAMU
IPC: B65B3/04
Filed: 1998-07-22
Abstract: PROBLEM TO BE SOLVED: To prevent residual air in a vessel by forming an air vent hole on the opposite side of a filling hole. SOLUTION: A protective sheet is preliminarily adhered to the edge part 5 of this vessel body 1 so as not to leak out a product for melt filling, or this vessel body 1 is turned over on a protective sheet or the backside of a clean and highly flat plate, and then a space is formed between the protective sheet or the plate and a container part 4. A melted product for melt filling is filled through a filling hole 2. The melted product for melt filling is filled by a prescribed pressure to spread over the space. Since an air vent hole 3 is formed on the vessel, the product is uniformly filled in a whole without generating residual air. The air vent hole 3 is formed on the bottom part of the vessel body, but it is not allowed to be formed at anywhere but it is required to be formed at the opposite side of the filling hole 2.  When the containing part 4 is in a simple circle shape, the air vent hole in the opposite side of the filing hole can be only one, but a plural number of holes are required for a complex shape such as a polygon of the containing part.
Patent JP-S5995136-A (JP)
Inventor: SENOO KENJI
IPC: C09J5/00
Filed: 1982-11-25
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H0525836-A (JP)
Title: Crane device for oil-pressure shovel
Inventor: TAKEI KENICHI
IPC: B66C1/68
Filed: 1991-07-22
Abstract: PURPOSE:To relieve impact loads to a compression type load sensor in the crane device of an oil-pressure shovel. CONSTITUTION:A hanger 9 is hung down through a link 3 and a rod 2 from the tip of arm 1 of an oil-pressure shovel, and a pin 12 is attached to a box- shaped structure 9a formed on the central part of the hanger 9. A holder 11 having a long hole 11a through which the pin 12 is thrust is housed in the structure 9a, and a compression-type load sensor 13 facing the pin 12 is attached to the inside of the holder 11. A shock absorber 16 is provided between the upper wall of the holder 11 and the sensor 13, and a hook 14 is connected to the lower part of the holder 11 by a pin 15. Impact load from the hook 14 is absorbed by the absorber 16 and transmitted to the sensor 13.
Patent JP-S6099924-A (JP)
Inventor: SUBUEN HANSEN
IPC: F23K5/14
Filed: 1984-10-03
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S6097781-A (JP)
Title: Portable video camera
Inventor: IDETA HIROSHI
IPC: H04N5/225
Filed: 1983-11-01
Abstract: PURPOSE:To omit a connecting transmission line to connect between a video camera and an external device and to decrease carrying weight by providing a video-singl modulation circuit inside the video camera, and transmitting a video signal to the external device by radio. CONSTITUTION:An image which is formed in an image-pickup element 2 by an optical lens 1, is converted into an electric signal, and is converted to a video signal by a signal conversion circuit 4 based on a synchronizing signal which is obtained from a synchronizing signal generating circuit 3. This video signal modulates a carrier wave from a carrier wave oscillation circuit 5 by a modulator 6 together with a sound signal which is obtained from a microphone 8 and a sound-signal processing circuit 9, and the modulated signal is transmitted from an antenna 7. On the other hand, a tuner circuit and the antenna are provided to a magnetic picture recording reproducer which records the image, and the picture recording of the image which is transmitted in the above-mentioned manner, is executed by tuning the tuner circuit with a vacant channel.
Patent JP-S6362453-A (JP)
Title: Photoelectric signal read circuit for optical sensor array
Inventor: DOGOSHI HITOSHI
IPC: H04N5/335
Filed: 1986-09-02
Abstract: PURPOSE:To extract a photoelectric signal at high speed with high fidelity by decreasing a junction capacitance in a MOS transistor (TR) being most part of a leakage capacitance in a signal read wire. CONSTITUTION:When a readout switch 2i is turned on sequentially by a scanning command SS, a readout current signal RS is given from each capacitor Ci via the readout switch 2i and given to one input of an operational amplifier 41 of a current amplifier circuit 40. A bias potential BP from a potential provision means 50 is given to the other input of the operational amplifier 41. An amplifier having a high gain and an excellent high frequency characteristic is used for the operational amplifier 41 and a resistor having a comparatively low resistance is used for a feedback resistor 42. Thus, the leakage capacitance of a signal readout line 30 is reduced and a signal with high fidelity is extracted.
Patent JP-S58107807-A (JP)
Title: Structure of engine
Inventor: ASAUMI KOUJI
IPC: F01L1/00
Filed: 1981-12-21
Abstract: PURPOSE:To equalize each dimension of a pair of rocker arms and increase the diameter of an intake valve by arranging each valve shaft of an intake valve and an exhaust valve and the center of a cam shaft at specific positions, in an engine equipped with a rocker-arm system overhead-cam type tappet mechanism. CONSTITUTION:In an engine, a pair of rocker arms 14 and 15 are swung through a tappet cam 11 by the revolution of a cam shaft 10 installed on a cylinder head 3, being interlocked with a crank shaft, and an intake valve 6 and an exhaust valve 7 are opened and closed in a prescribed timing through each valve shaft 6a, 7a. In this case, the cam shaft 10 is arranged by positioning in offset the center C1 of the cam shaft crossing at a right angle with a cylinder deck surface, by a proper distance l to the exhaust valve 7 side relative to the center C2 of a cylinder, and each valve shaft 6a, 7a is tilted symmetrically relative to the center C1 of the cam shaft. Thus, each dimension of both rocker arms 14  and 15 is made equal, and the diameter of the intake valve 6 is increased by  twice the distance l, and the productivity and the intake efficiency are increased.
Patent JP-S6448701-A (JP)
Title: Garbage deodorizing device
Inventor: KOBAYASHI AKIO
IPC: B65F1/00
Filed: 1987-08-20
Abstract: PURPOSE:To deodorize garbage by furnishing an ozone generating device at the lid to a container, turning on and off an ozone generating device at certain intervals in linkage with shutting of the lid, and thereby generating ozone. CONSTITUTION:Shutting of a lid 3 turns on a lid switch, out of illustration, to actuate a controller 10, which sets a timer and operates an ozone generator 9. Thus the ozone generator 9 is turned on and off at intervals set on the timer, and ozone is generated within an external container 1. Thus garbage therein is sterilized and deodorized, and the air deodorized makes natural convection through a suction pipe 11 and exhaust pipe 12. This constitution enables deodorization and sterilization by ozone, wherein ozone is utilized effectively.
Patent JP-S6449549-A (JP)
Title: Magnetic resonance imaging apparatus
Inventor: IINUMA TOSHIYA
IPC: A61B5/055
Filed: 1987-08-20
Abstract: PURPOSE:To compensate the eddy current generated in a permanent magnet or magnetic yoke from a structural aspect and to reduce the effect exerted at the time of the formation of a gradient magnetic field, by forming at least one of the magnet and the yoke by bonding a block or thin plate-shaped magnet element pieces electrically insulated from each other and a yoke element piece. CONSTITUTION:A permanent magnet 11 is formed by bonding a block-shaped magnetic element pieces 111, 112... electrically insulated from each other or by attracting them by their own magnetic forces and a permanent magnet 12 is formed in the same way by bonding thin plate-shaped magnet element pieces 121, 122... electrically insulated from each other or by attracting them by their own magnetic forces. The thickness dimensions D1, D2 of the lock- shaped magnet element pieces 111, 112 and thin plate-shaped magnet element pieces 121, 122 are determined by 'skin-depth' when an eddy current flows to the magnetic material thereof and the eddy current is reduced by making the thickness dimensions D1, D2 thinner than 'that of skin'. By this constitution, a gradient power source can be miniaturized and reduced in its wt. and the cost reduction of the apparatus can be achieved.