baber/WOPTO huggingface dataset:
Patent JP-H03285750-A (JP)
Title: Molten metal supplying mechanism in horizontal injection type die casting machine
Inventor: NAKANO AKIO
IPC: B22D17/02
Filed: 1990-03-31
Abstract: PURPOSE:To prevent the development of casting blow hole and to obtain a product having high density and high strength by pumping up molten metal in a stabilizing furnace with a molten metal supplying pump and quickly supplying the molten metal through a molten metal supplying tube. CONSTITUTION:A molten metal supplying cylinder b2 linked with casting movement of a die casting machine in the molten metal supplying pump B starts movement and a pumping up plunger b2 are ascended and retreated. The molten metal (m) in a molten metal storing vessel a3 is pumped up till the retreating zone of the pumping up plunger b2 and discharged to out of a molten metal sleeve b1 from a molten metal discharging hole and fed from molten metal flow-in hole in the molten metal supplying tube C opened upward and introduced out of the stabilizing furnace A and supplied into an injection sleeve in the die casting machine. By this method, the molten metal (m) is supplied into the injection sleeve in the die casting machine under the condition of being held at the constant temp. in the stabilizing furnace A, without coming into contact with the outside air, and under clean condition containing no oxide, etc.
Patent JP-H05259039-A (JP)
Title: Mask for x-ray transfer
IPC: G03F1/22
Filed: 1992-03-10
Abstract: PURPOSE:To provide the X-ray transfer mask having excellent thermal resistance and durability as well as no strain at all on a mask substrate. CONSTITUTION:In the X-ray transfer mask having a structure in which a mask substrate 1 comprising silicon carbide or silicon nitride thin film 2 and silicon carbide or silicon nitride ceramics made supporting frame 6 are jointed, after the evaporation of copper on respective junction surface 5 of the mask substrate 1 and the supporting frame 6, the X-ray transfer mask having excellent thermal resistance and durability as well as no strain at all on the mask substrate 1 capable of joining at low temperature by diffusion-junction step on load can be manufactured.
Patent JP-H07119375-A (JP)
Title: Gatepost with cap
Inventor: TOMIUCHI SHINICHI
IPC: E06B11/02
Filed: 1994-04-25
Abstract: PURPOSE:To promote execution efficiency and outward appearance by covering an opening on the upper end of a gatepost main body with a cap, and connecting the cap to the gatepost main body from the upper part of the cap through fasteners. CONSTITUTION:A cap 1 is connected to the top surface 7 of a gatepost main body 2 with a pair of fasteners 3a and 3b. After that, the fastener 3a is housed in a recess 4 in the upper surface of the cap 1, so that it can not be seen from the side, and no sense of disharmony is given. Then, a recess provided in the lower surface of the cap 1 is fitted to the top surface 7 of the main body 2 and is surely connected thereto without slippage. The main body 2 is manufactured by a centrifugal casting and, at the same time, the fastener 3b is fixed to an internal reinforcement 6 to strengthen fastening force. According to the constitution, execution can be surely and easily made, and outward appearance can be promoted.
Patent JP-S6171002-A (JP)
Inventor: AHARON BAA
IPC: A43B13/38
Filed: 1985-04-22
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-S5610226-A (JP)
Title: Water leakage detector
Inventor: GOTOU TAKAHISA
IPC: G01M3/24
Filed: 1979-07-06
Abstract: PURPOSE: To detect a water leakage accurately and early by mounting a sound detector (microphone) properly on each piping.  
     CONSTITUTION: A sound generated on a piping 1 is collected on a sound detector 4, converted into an electric signal through a sound-current converter 5 and then sent to a waveform converter 7 through a transmission line 6. The waveform converter 7 converts an electric signal converted through the sound-current converter 5 into a rectangular wave. A measuring wave led from the waveform converter 7 and a normal signal with a waveform setter 3 are subjected to comparison on a waveform comparator 9 for height, width and period of each waveform, and the gap is delivered to a discriminator 10. Where the gap between the two exceeds a tolerance, the discriminator 10 lights up an alarm lamp 11 to indicate a water leakage on the piping 1. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S63250856-A (JP)
Title: Reverse conducting gate turn-off thyristor
Inventor: YAMADA SHINICHI
IPC: H01L29/74
Filed: 1987-04-08
Abstract: PURPOSE:To obtain a high isolated resistance precisely controllable without decreasing breakdown strength and controllable current by a method wherein an epitaxial P<+> epi layer is formed between a P2 layer and an epitaxial P<-> layer. CONSTITUTION:An epitaxial P<+> epi layer comparatively high in impurity concentration is formed between an epitaxial P<-> layer and a P2 layer comparatively low in impurity concentration. And, the total amount of impurity of the P2 layer and the P<+> epi layer and the sum of depths of the P2 and the P<+> epi layer are so set as to be nearly equal to the total amount of the impurity of the P2 layer and the depth of the P2 layer respectively when a P base layer is composed of only the P2 layer and the P<-> epi layer, and a buried gate layer is formed in the P<+> epi layer and an isolated section is selectively prevented from growing epitaxially when the P<+> epi layer is formed. Thereby, controllable current can be rendered not to decrease and resistance of an isolated section is rendered nearly constant in value.
Patent JP-S61245210-A (JP)
Title: Estimating system for trouble factor of plant
Inventor: MIYAZAKI SATOSHI
IPC: G05B23/02
Filed: 1985-04-24
Abstract: PURPOSE:To estimate accurately the factor of a plant trouble by using the time point when the abnormal information is detected as well as the normal information after giving a trouble factor to each device with the direct trouble influence reaction given between two devices respectively. CONSTITUTION:A plant 101 contains plural pieces of component devices 102 and a state detecting sensor 103 and delivers a state signal 104 to an abnormality detecting device 107 consisting of an abnormality detector 106. The device 107 stores previously a normal/abnormal decision reference signal to compare this signal with a detection signal 105 and delivers the result of this comparison to a trouble factor estimating device 109. The device 109 checks these comparison results for each fixed period of time and stores a time pint when an abnormal signal is produced. Thus a trouble factor is given to each device 102 together with the influence direction, the maximum/minimum influence time and the influence probability given between devices 102 respectively. Then the trouble factor is estimated from the time point when said abnormal signal is detected and the normal information and displayed on a display device 115.
Patent JP-S5516812-A (JP)
Title: Belt conveyor transfer control method
Inventor: WAKAI KUNIMITSU
IPC: B65G43/08
Filed: 1978-07-14
Abstract: PURPOSE: To improve operating efficiency of a belt conveyor system by controlling the belt conveyors constituting the system one by one through the tracking of loads.  
     CONSTITUTION: With a belt conveyor A started, the  start timing for a belt conveyor C is set according to the "and" condition between such a condition that a time t 1  (the difference between the time t 0  required for a load to travel on the belt conveyor A and an allowance time α 0 ) has passed since the starting of the belt conveyor A and such a signal that the presence of the load on the belt conveyor A is detected by a current sensor. For stopping the belt conveyors in proper order from the upstream side, the unevenness in the braking torque and inertia of each of the belt conveyors is absorbed and the conveyors on the downstream side are stopped mechanically with slight time lags from the stopping of those on the upstream side. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H01258238-A (JP)
Title: Optical pick-up device
Inventor: MATSUMOTO YOSHIYUKI
IPC: G11B7/13
Filed: 1988-04-08
Abstract: PURPOSE:To cancel and remove a signal component due to an unnecessary light and to obtain a satisfactory error signal without the influence of the unnecessary light by forming a dividing detector in the respective dividing parts of the dividing detector so that the light quantity of the incoming unnecessary light can be almost equal. CONSTITUTION:One part of a laser light from a semiconductor laser element 4 passes through a translucent film 7 and it is incoming directly to a prism 5 as the unnecessary light. Respective dividing parts 2A-2C and 3A-3C are formed in a fan shape with a light emitting point P as a center so that the unnecessary light to be incoming to dividing detectors 2 and 3 can be almost equal. According to the information on light quantity distribution, etc., laser light quantity, which is directly supplied from the light emitting point P to the respective dividing parts 2A-2C and 3A-3C, is integration-operated and the areas of the respective dividing parts are determined so that respective values can be equal. Thus, the signal component due to the unnecessary light is canceled and removed and the satisfactory error signal of no influence of the unnecessary light can be obtained.
Patent JP-S62243307-A (JP)
Title: Electromgnetic device
Inventor: TSUYUKI SHINJI
IPC: H01F7/06
Filed: 1986-04-15
Abstract: PURPOSE:To obtain an electromagnetic device in which a plenty of fluxes can be induced with a little driving force and whose winding work can be performed easily and whose coil can be fitted to a core easily by a method wherein the thickness of the frame of a coil bobbin is made to be thin and a copper wire is wound in the state of fitting a magnetic unit into the frame. CONSTITUTION:A yoke 1 and a core 2 are solidly formed continuously. The rear end 7 of a needle 6 actuated by a spring 5 is pressed against the tip of a movable core 4 facing the attracting plane 3 of the core 2. A coil 8 is com posed of a coil bobbin 10 whose frame 9 has the thickness of 0.2mm and is composed of synthetic resin, a square tube-shape magnetic unit 11 which is fitted into the frame 9 and a copper wire wound on the frame 9. Flanges 13 are provided on both ends of the bobbin 10 and terminals 14 are inserted into the one of two flanges 13. The magnetic unit 11 is formed by folding one sheet of steel plate and a gap is formed at a part of its circumference to suppress the creation of eddy current. Conductive patterns 19 which have through-holes 18 into which the terminals 14 are inserted are formed on a circuit board 17 and both of the poles of the coil 8 can be connected to the circuit board 17 by dipping in a solder bath.
Patent JP-S62244381-A (JP)
Title: Novel aminopeptidase
Inventor: MATSUNAGA YUJI
IPC: C12R1/645
Filed: 1986-04-14
Abstract: PURPOSE:An aminopeptidase, obtained by cultivating a yeast of the genus Rhodotorula and having a specific molecular weight and substrate specificity, readily mass-producible and useful for structural quantitative analysis, etc., of peptides. CONSTITUTION:Rhodotorula glutinis IFO 0559 strain, etc., of the genus Rhodotorula is cultivated in a culture medium containing soybean peptone, meat extract, etc., at 25-30 deg.C for 10-24hr by a spinner culture method with aeration to give microbial cells, which are then ground to an aqueous solution containing aminopeptidase, which is then purified in 2-3 stages by column chromatography to afford the aimed aminopeptidase having the following physico-chemical and enzymic chemical properties; Molecular weight; 400,000-440,000. Substrate specificity; Hydrolyzing alpha-L-aspartylamide bonds or alpha-L-glutamylamide bonds. Inhibitor; Exhibiting inhibitory action on Fe<2+>, Zn<2+>, etc., without inhibitory action on Ca<2+>, Mn<2+>, etc. Optimum pH; 7-9 at 37 deg.C, etc.
Patent JP-H08283228-A (JP)
Title: Production of n-alkylamidoalkanol sulfate ester or its salt
Inventor: TAKAHASHI MASAKATSU
IPC: B01J31/02
Filed: 1995-04-12
Abstract: PURPOSE: To simply and safely obtain the subject compound in a high reaction rate excellent in foamability, safety and color tone and useful for various kinds of detergents by sulfurating an N-alkylamidoalkanol in the presence of a specific alkane. CONSTITUTION: (B) A compound of formula I [R<1> is a 6-22C (branched) alkyl, alkenyl, hydroxyalkyl, alkylphenyl (the alkyl has 8-12 carbon atoms); R<2> is H, a 1-22C (branched) alkyl, alkenyl, hydroxyalkyl, alkylphenyl (the alkyl has 8-12 carbon atoms); R<3> is a 1-5C (branched) alkylene; R<4> is a 2-3C (branched) alkylene; (n) is 0-50 which is the average addition mole number of alkylene oxide] is sulfurated with (C) a sulfurating agent in the presence of (A) a linear, branched or cyclic 5-22C alkane and, if necessary, further neutralized to obtain a compound of formula II (M is H, a cation).
Patent JP-H06283744-A (JP)
Title: Solar cell
Inventor: UNNO TSUNEHIRO
IPC: H01L31/04
Filed: 1992-04-08
Abstract: PURPOSE:To enhance the photoelectric conversion efficiency of the title solar cell by a method wherein a recombination-preventing layer is provided with a band-gap energy grade in such a way that the grade is large on the side away from a p-n junction and that the grade is small on the side close to the p-n junction. CONSTITUTION:An action region layer 12 composed of n-type GaAs, an action region layer 13 composed of p-type GaAs and a window layer 14 as a recrystallization-preventing layer composed of p-type GaAlAs are formed sequentially on a substrate 11 composed of n-type GaAs. An antireflection film 15 is formed on the surface of the window layer 14, the window layer 14 is passed in a part of the antireflection film, and a p-side electrode 16 is formed. Band-gap energy becomes suddenly large on the surface side, and it becomes small in a p-n junction part. As a result, electrons excited by incident light are influenced by an electric field existing inside the window layer 14, and they are moved smoothly toward the side of the action region layer 13. Thereby, generated electrons are prevented from being recombined and lost, and the photoelectric conversion efficiency of the title solar cell can be enhanced.
Patent JP-S61246397-A (JP)
Title: Electroforming method for metallic master disk
Inventor: UMEGAKI JUNICHI
IPC: C25D1/00
Filed: 1985-04-23
Abstract: PURPOSE:To produce a metallic master disk by electroforming with high productivity without damaging a thin conductive film for electroforming in the electroforming stage of the metallic master disk in a process for producing an optical disk by executing the electroforming while changing electric current for electroforming at a specific ratio. CONSTITUTION:A hot resist is coated on a glass plate and is then exposed and developed to form a fine pattern in the stage of producing the metallic master disk for producing the optical disk. The thin conductive film is formed thereon by sputtering or electroless plating and succesively the surface thereof is subjected to electroforming by Ni, etc., by which the metallic master disk is produced.The thin conductive film is overheated, melted and destructed by the resistance heat and the subsequent electroforming is infeasible when the electroforming current is large in the initial period of the above-mentioned electroforming operation. The electroforming current is therefore set at the small current I0 in the starting stage of the electroforming operation and the current value at the time (t) after the start of electroforming is increased to the current expressed by I0exp(alphat) from said current and time constant alpha, by which the metallic master disk is produced in a short period by electroforming without destructing the thin conductive film.
Patent JP-H02265610-A (JP)
Title: Filter device of pigment ink
Inventor: ISHIKAWA MASAHISA
IPC: B01D35/02
Filed: 1989-04-07
Abstract: PURPOSE:To stably actuate a quantitative force-feed pump which is utilized for production of a colored interlayer for laminated glass by holding pigment ink introduced to the inside of the title device in such a state that this pigment ink has been uniformly dispersed by a pigment sedimenting preventive means. CONSTITUTION:A filter supporter 6 communicated with an ink discharge port 7 opened to a lower side wall is provided to the inside of a cylindrical main body 1 having an opened top end. A cylindrical filter 8 is detachably supported on this filter supporter 6. Further a cover material 3 having an ink introducing port 4 is liquid-tightly fixed to the top end of the cylindrical main body 1. An electromagnetic agitation driver 11, an electromagnetic agitation piece 12 and an ultrasonic wave generator 13 are provided to the cylindrical main body 1 as a pigment settling preventive means. As a result, a quantitative force-feed pump utilized for production of a colored interlayer film for laminated glass can be stably actuated.
Patent JP-H04319728-A (JP)
Title: File forming method
Inventor: TERUUCHI TEN
IPC: G06F9/06
Filed: 1991-04-18
Abstract: PURPOSE:To efficiently form a source file by reflecting a specific source code to a new source file when stored information indicates reflection to a file. CONSTITUTION:A computer system is provided with an input device 110, a display device 120 such as a display for displaying a described source code, a source code read out by an information processor 140, etc., a file system 130, and the information processor 140. When information 142B-1 indicating that changed contents corresponding to a changed specific source code 142A-1 is to be reflected or not indicates the reflection to the file at the time of storing a source code group of a storage means 142 in a source file, the specific source code concerned is reflected to a new source file 132. When the information 142B-1 indicates no reflection to the file, the specific code is not reflected to the new source file 132.
Patent JP-S61243879-A (JP)
Title: Releasing material in sheet form
Inventor: YOKOTA YUZO
IPC: H05K3/02
Filed: 1985-04-23
Abstract: PURPOSE:To obtain a releasing material having excellent release characteristics, suitable for use in release paper and capable of forming a printed wiring substrate etc. with high yields and high working efficiency, by applying a specific petroleum distillate on a material in a sheet form such as a metallic foil or a plastic film. CONSTITUTION:A crude oil is fractionated under atmospheric pressure to obtain a petroleum fraction having a b.p. of 230-300 deg.C. The petroleum fraction is refluxed at about 300 deg.C for 30min-3hr to obtain a petroleum distillate. The obtained distillate is incorporated with various additives to prepare a rolling oil. The rolling oil is dropped or applied with a roll coater on a metallic plate such as an Al plate, and the metallic plate is rolled to form a releasing material in a sheet form. Alternatively, the releasing material in a sheet form may be formed by dropping or applying with a roll coater the rolling oil on a material in a sheet form such as rolled metallic foil or plastic film, sheet or coated paper.
Patent JP-H07294130-A (JP)
Title: Hot-air dryer
Inventor: NISHIWAKI SUSUMU
IPC: F26B21/00
Filed: 1994-04-26
Abstract: PURPOSE:To efficiently dry a work in an aligning jig in a short time. CONSTITUTION:An aligning jig 1 in which many works are contained in linear grooves 2 is fixedly held in a chamber 12 by a holder 13 in the state that the grooves 2 are chamber along a vertical direction. An inlet passage 15 in which hot air is supplied along the sidewall of the chamber 12 is provided at the side of the jig 1 as an introducing passage 14 for allowing the hot air to flow down at the grooves 2. A pipe 16 for introducing the hot air to the grooves 2 of the jig 1 is extended from the passage 15. On the other hand, the end of the pipe 16 extended from the passage 15 is coupled to the upper end of the jig 1. A cover 17 for blocking the upper openings of the grooves 2 of the jig 1 is detachably mounted in the sealed state. The cover 17 has an inner surface recess 18 communicating with the pipe 15 to become the state that the recess 18 communicates with the grooves of the jig 1.
Patent JP-H06298389-A (JP)
Title: Paper feeder
Inventor: OKABE HITOSHI
IPC: B65H3/52
Filed: 1993-04-14
Abstract: PURPOSE:To provide a paper feeder provided with a sheet separation mechanism capable of separating and feeding relatively thick and hard paper sheets such as post cards and envelopes without causing the double feed and skew of the paper sheets. CONSTITUTION:A paper feeder is provided with a sheet separation mechanism 20 separating the stacked paper sheets 10 one by one, and the paper sheet separation mechanism 20 is provided with a friction pad 30 and a compression spring 35 exciting the friction pad 30 toward a paper feed roller 12. The friction pad 30 is supported by a pad support member 25 and a holding member 21 rotatably in the whole length direction and the paper feed direction of the paper feed roller 12, and it is brought into contact with the paper feed roller 12.
Patent JP-S5713389-A (JP)
Title: Electronic wrist watch with scale generation mechanism
Inventor: AYUSAWA HITOMI
IPC: G04G13/00
Filed: 1980-06-27
Abstract: PURPOSE:To obtain an electronic wrist watch with a scale generation mechanism which emits a comfortable warning while giving a visual pleasure by making it play music with indication works synchronizing with the music. CONSTITUTION:The contents of the time of a time measuring circuit 1 is inputted into a first decoder/driving circuit 2 for driving a first segment block and a time is indicated with the first segment block. When the time optionally set time is reached, a signal for starting a scale generation circuit 3 is inputted from the circuit 1 and a melody is outputted from a sound generator 5. At the same time a second decoder/ driving circuit 4 for driving the second segment block is driven so that the second segment block is indicated synchronizing with the melody given by the sound generator 5.
Patent JP-S62242655-A (JP)
Title: Novel vinyl compound
Inventor: ITO SHOJI
IPC: C07C233/09
Filed: 1986-04-16
Abstract: NEW MATERIAL:N-Methyl-N-n-propylacrylamide shown by the formula. USE:Useful as a raw material monomer for hydrophilic-hydrophobic heat reversible high polymer compound usable for glare protecting material, temperature sensor, adsorbent, toy, interior, printing agent, display, separating membrane, mechano-chemical element material, etc. PREPARATION:Acrylic acid chloride is reacted with methyl-n-propylamine and triethylamine in a solvent such as benzene at 0-10 deg.C to give a vinyl compound shown by the formula.
Patent JP-H01261132-A (JP)
Title: Sheet feeder
Inventor: HAMANAKA IZUMI
IPC: B65H1/30
Filed: 1988-04-07
Abstract: PURPOSE:To have stable sheet feed even in the mode of high speed feeding, by forming a sheet sendout roller of a sendout means semicircular, furnishing a click stop means at its shaft end, and by restricting one-turn stopping of the sendout roller. CONSTITUTION:When a sheet sendout roller 111 in semicircular form makes one turn, the undermost one of the copying sheets in alignment is separated and fed by means of the frictional separating action of a double feed preventive roller one after another by a separator belt. This sendout roller 111 is provided with a cam 1114 for clip stop at the shaft end, and the tip of a stopper spring 1115 falls in its recess 1114c at a standstill, and because the back face of stopper member comes in contact with the stopper wall 1114a of the cam 1114, overrun rotation of the sendout roller 111 is restricted. This ensures stable sheet feeding even in the mode of high speed feeding, and two-side copying sheets, manually written copies, etc. under feeding can be prevented from contamination on the rear surfaces.
Patent JP-S60231301-A (JP)
Inventor: KIUCHI NORIHIRO
IPC: G01N27/12
Filed: 1984-05-02
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。