baber/WOPTO huggingface dataset:
Patent KR-890000365-B1 (KR)
Title: Process for the preparation of disfluorobenzonitrile
Inventor: NISHIYAMA RYUJO
IPC: B01J23/42
Filed: 1982-08-31
Granted: 1989-03-14
Abstract: A 2,6-difluorobenzonitrile (DFBN) is prepd. by reducing a chlorofluorobenzonitrile selected from 3-chloro-2,6- difluorobenzonitrile, 3,5-dichloro-2,6-difluorobenzonitrile or their mixs. with hydrogen gas in the presence of a palladium or platinum catalyst.  The DFBN is useful as medical or agrichemical agents.
Patent KR-890001223-B1 (KR)
Title: Bean-splitting prism,method of manufacturing said of prism
Inventor: VERHOEVEN JOHANNES M G
IPC: G11B7/135
Filed: 1982-10-05
Granted: 1989-04-27
Abstract: The prism has an entrance surface for a radiation beam, a beam- splitting surface and an exit surface for a radiation beam which has been deviated inside the prism.  The entrance and exit surfaces form part of prismatic glass elements.  A roof-edge prism has a refractive edge arranged on the exit surface.  The roof-edge prism is formed from a transparent, curable liquid synthetic material which is deposited on the exit surface and cured in situ after the refractive edge is formed by a die in the liquid material.  The roof-edge prism is made of a synthetic material which cures under the influence of ultraviolet radiation.
Patent KR-860001808-B1 (KR)
Title: Anion exchange membrane
Inventor: KAMAYA MISAMI
IPC: C08J5/22
Filed: 1982-11-09
Granted: 1986-10-23
Abstract: This invention relates to a homogeneous anion exchange membrane, which has low electric resistance (below 2 ohm), high electroosmosis conc. (above 4.0 N) and excellent durability. 10 90 % of anion exchange groups are crosslinked with aliphatic hydrocarbons. The base of the anion exchange membrane is produced by polymerization or polycondensation of monomers having a functional group (tert. aminogroup or halomethyl group). 10 -90 % of tert. amino groups are crosslinked and quaternised with C3-10 alkyl dihalides and then the residual tert. aminogroup is reacted with monohalides.
Patent KR-900003661-B1 (KR)
Title: Television bulb
Inventor: BLANDING WENDELL S
IPC: H01J9/26
Filed: 1982-12-06
Granted: 1990-05-28
Abstract: A television bulb comprises a panel having a central viewing section (18) bounded by a skirt or sidewall portion (20) outwardly sloping at a wide angle in excess of 90 deg. from the viewing section (18), and continuing with a peripheral radial flange portion (22), and a funnel (14) having a yoke portion (15) and an open mouth portion, a peripheral flange portion (24) extending circumferentially about the open mouth portion and having a circumferential sealing surface. The panel and the funnel are sealed together about their respective peripheral flange portions (22, 24).
Patent KR-900000711-B1 (KR)
Title: Solder feeding system
Inventor: MATSUO JINSUKE
IPC: B23K3/06
Filed: 1983-01-21
Granted: 1990-02-07
Abstract: A solder feeding system comprises, in combination, solder balls (10) and an appts. for feeding a number of the balls into at least 1 soldering bath (11) once the level of liq. solder in the bath falls below a limit.  The solder balls are shaped to each have a dia. of 5- 50mm., pref. 10-30mm. by casting, forging or rolling.  Appts. is provided with storing means (60) for storing the solder balls, discharging means (40) connected to the storing means for discharging the predetermined number of solder balls, control means (30) interposed between the bath and the dicharging means for actuating the discharging means.
Patent KR-870000149-B1 (KR)
Title: Color cathode ray tube
Inventor: TAGETOSHI SHIMODA
IPC: H01J29/02
Filed: 1983-03-31
Granted: 1987-02-12
Abstract: A magentic shield, surrounding the path of the electron beams, comprises a rectangular, open-ended box-like structure having a pair of short side walls and a pair of long side walls. A plane, extending normally to the length of the latter and containing the axis of the c.r.t., divides each long side wall into a pair of imaginary parts each with an elongated opening. The latter are inclined in the direction of deflection of the beams from the plane and have a dimension in the direction normal to its length which is less than one third of its dimension in the direction of its length.
Patent KR-910003641-B1 (KR)
Title: Process for preparing muramyl peptides
Inventor: HARTMANN ALBERT
IPC: A61K31/70
Filed: 1983-07-22
Granted: 1991-06-07
Abstract: The compounds of the formula I    <IMAGE>  (I)    <IMAGE>  in which each of R1, R4 and R6, independently of the others, represents hydrogen or lower alkanoyl, R2 represents C1-4-alkyl, hydroxymethyl or phenyl, R3 represents hydrogen or methyl, R5 represents hydrogen or C1-3-alkyl, R7 represents C1-3-alkyl that is unsubstituted or substituted by hydroxy, mercapto or methylthio, R8 represents hydrogen or lower alkyl, X represents oxygen or the group NH, Y represents C1-4-alkylidene, and each of R9 and R10, independently of the other, represents C11-17-alkyl or C11-17-alkenyl, and their salts, have an immunostimulating activeity.
Patent KR-860001366-B1 (KR)
Title: Process for the preparation of the anhydrine of n-formyl-l-aspartic acid
Inventor: GIOBBO VINCENZO
IPC: C07K5/075
Filed: 1983-07-30
Granted: 1986-09-16
Abstract: N-Formyl-L-aspartic acid anhydride is prepd. for use as the intermediate for a sweetening agent, monomer of polypeptide. 13.3 Kg of aspartic acid is mixed with 21.5 Kg of acetanhydride. This mixture is heated at 35≰C, stirred, and then 5Kg of formic acid is added to the mixt.. This mixt. is stirred for more than 48 hrs at 35≰C, and is cooled to 10≰C. Centrifugation of this gives 12.2 Kg of N-formyl-L- aspartic acid anhydride.
Patent KR-910001476-B1 (KR)
Title: Disposable diagers with elastically contractible waistbands
Inventor: KIEVIT DAVID J
IPC: A61F13/56
Filed: 1983-11-25
Granted: 1991-03-09
Abstract: Disposable diapers having elasticized waistbands which allow the diapers to breathe and which reduce the incidence of waistband rollover. The waistbands are formed by affixing elastic elements between the topsheets and the backsheets (in the waistband region of the diapers) using regularly spaced, transversely extending regions of securement. Regions of nonsecurement are formed between pairs of the regions of securement thereby forming channels which allow the diaper to breathe and also forming corrugations which tend to inhibit waistband rollover.
Patent KR-880002139-B1 (KR)
Title: Process for preparing of oral tablets
Inventor: PARK JUNG-YONG
IPC: A61K9/22
Filed: 1984-04-03
Granted: 1988-10-17
Abstract: The pH independent and controlled-release tablets comprise a mixt. of dipyridamole (I) or its salts, >=18 acid equivs. of >=1 nontoxic acid/ mol (I) and a sufficient amt. of disintegrant to allow   90% dissoln. of (I) in the gastrointestinal pH range of 1-7.  Thus, a mixt. of (I) 0.3, fumaric acid 0.63, PVP 0.07, lactose 0.37, and Na starch glycolate 0.11kg was wet granulated with iso-PrOH, screened through a 18 mesh-sieve and dried at -40↿C. The dried granule, 1.012 kg Mg stearate and 0.06kg colloidal SiO2 were mixed and compressed into 50mg tablets.  The tablets showed 100% dissoln. in < 1hr at pH.s 1.2, 4.0, 6.0 and H2O.
Patent KR-910002673-B1 (KR)
Inventor: MENDOZA ABEL
IPC: C07C41/16
Filed: 1984-06-22
Granted: 1991-05-03
Abstract: 내용 없음.
Patent KR-900007714-B1 (KR)
Title: Method of a metallic carpenters square
Inventor: WADANABE KAZUTOSHI
IPC: G01B3/04
Filed: 1984-11-16
Granted: 1990-10-19
Abstract: The uniform bent scale products are produced by rolling a longsized belt plate which is equal in thickness and width to the products, performing a heat treatment and cutting the plate by specific length, and melt-sticking them in abutting relation through an L-shaped pattern plate which is formed individually to obtain a semifinished bent scale.
Patent KR-930002988-B1 (KR)
Inventor: KAPOLAS WILLIAM J
IPC: B65D41/12
Filed: 1985-06-11
Granted: 1993-04-16
Abstract: 내용 없음.
Patent KR-890000597-B1 (KR)
Title: Apparatus for carrying and separating articles
Inventor: KIIUCHI KUNIO
IPC: B65G17/06
Filed: 1985-06-15
Granted: 1989-03-21
Abstract: An appts. for carrying and separating articles comprising: a plurality of sets of pulleys; a plurality of endless belts made of an elastic mateial and each having a buried core incapable of elongation and contraction in the length direction, said belts being passed round the pulleys of said respective sets and extending parallel to one another, a plurality of pins projecting from opposed edges of the pair of belts and coincident in position with the center of said core in the thickness driection therof; a plurality of conveying rods bridging said pair of belts in a transversal direction crossing the direction of running of said belts, opposite ends of said carrying rods being mounted on said pair of belts by said pins; and separating means for moving said plurality of carriers in transversal directions.
Patent KR-870001913-B1 (KR)
Title: Preparation process of indol
Inventor: YAMAUTSI YASSUYOSHI
IPC: C07D209/08
Filed: 1985-11-19
Granted: 1987-10-22
Abstract: Indole is prepd. for use as raw materials of perfume, dyes and amino acid. Aniline is reacted with diol to give indole, and then unreacted aniline is seperated from the reaction mixt. and the seperated aniline is used again.  The reaction catalyst is choosen among copper, silver and gold. Compd. (I) and (II) [R1, R1'=hydrogen, halogen, alkyl; R2, R3, R2',R3'=hydrogen, alkyl  which reduce catalytic activity in the reaction mixt. are heated and then removed.  The heating temp. is 100-350≰C.
Patent KR-900002971-B1 (KR)
Title: Magnetic recording medium
Inventor: OKUDIRA HIROAKI
IPC: G11B5/66
Filed: 1986-05-03
Granted: 1990-05-03
Abstract: A magnetic recording medium consists of a non-magnetic substrate, e.g. of Al alloy, on which an underlayer is formed of Ni alloy containing 0.05-10 at% W and 14-30 at% P, with a magnetic medium on top.  A protective film may be formed on the magnetic medium layer. The underlayer may also contain at least one element from the group Cu, Zn, Ag, Au, Pd, Rh, Mn, Mo, Re, Cr, V, Ti and B.  Thickness of the underlayer is 5-200, pref. 10-100 mm.  It has an amorphous structure and can be produced by any appropriate plating process. High magnetising temperature with excellent mechanical properties and corrosion resistance.
Patent KR-940010121-B1 (KR)
Inventor: LENG FRANCIS J
IPC: C11D17/00
Filed: 1986-08-14
Granted: 1994-10-21
Abstract: 내용 없음.
Patent KR-860001947-B1 (KR)
Title: Process for preparing 1,4-dihydropyridine derivatives
Inventor: MUTO KENJI
IPC: C07D401/12
Filed: 1986-10-15
Granted: 1986-11-01
Abstract: The title compds. (I) are new. (I) is prepd. by rxn. of (II) with (III), are fractional crystallization. The fusion point of HCl addn. salts gives 196 - 202 ≰C. Y is halogen. The rxn. e.g. are for example, reacting 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine- 3,5-dicarboxylic acid-3-methyl-5-(3-pyperidyl) ester hydrochloric acid-salt [(±)-alpha-type! with benzyl chloride, triethylamine and THL under reflux. (I) are useful for treating low-blood pressure and as a vasodilator.
Patent KR-890001816-B1 (KR)
Title: Process for jelly
Inventor: YOU DONG-SIK
IPC: A23L21/10
Filed: 1986-11-28
Granted: 1989-05-25
Abstract: The preparation of water-jelly under low sugar, strong acid and high temp. comprises; (a) mixing 5kg sugar with 1-2kg polysaccharides extracted from a tamarind; (b) dissolving the mixture in 37.38kg fine water; (c) heating the mixture containing fine water up to 60 C and adding 56-68kg starch syrup or 61-75kg isomerized sugar or 47-57kg sugar to the mixture; (d) boiling the mixture at above 100≰C for 10mins; (e) cooling the mixture at 80≰C and adding 0.6kg citric acid, 0.62 vitamin C, 0.62 sodium citrate and a little flavour.
Patent KR-900007552-B1 (KR)
Title: 6h-isooxazolo(3,4)pyrazolo(3,4-b)pyridines and method for their preparation
Inventor: SHUTSKY GREGORY M
IPC: A61P25/20
Filed: 1986-12-22
Granted: 1990-10-15
Abstract: Cpds. of formula (I) and their pharmaceutically acceptable acid addn. salts are prepd. by reacting a cpd. of formula (II) with a hydroxylamine compound. In the formulas, R1 is H, lower alkyl, aryl lowr alkyl, aryl or heteroaryl; R2 is H or lower alkyl; R3 is lower alkyl, lower alkoxy alkyl, cycloalkyl, aryl lower alkyl or heteroarylmethyl; R4 is H or lower alkyl. (I) are useful as anxiolytic agents.
Patent KR-900004009-B1 (KR)
Title: Making process for spherodial graphite cast iron for break disk
Inventor: LEE CHANG-MOK
IPC: C21C1/10
Filed: 1987-05-04
Granted: 1990-06-09
Abstract: The spheroidal graphite cast iron, of which matrix consists of pearlite and ferrite, comprises 3.3-4.0 wt.% C, 2.0-3.5 wt.% Si, 0.25-0.5 wt.% Mn, not more than 0.08 wt.% P, not more than 0.08 wt.% S, 0.2-0.8 wt.% Ni, 0.1-0.5 wt.% Mo, not more than 0.1 wt.% Cu, 0.01- 0.1 wt.% V, and 0.02-0.06 wt.% Mg. The cast iron has the improved strength and wear resistance.
Patent KR-950007631-B1 (KR)
Inventor: YABORSKI WILLIAM M
IPC: B29C70/86
Filed: 1987-07-04
Granted: 1995-07-13
Abstract: 내용 없음.
Patent KR-950002846-B1 (KR)
Inventor: YAMAMOTO SHINOBU
IPC: A01N25/18
Filed: 1987-08-14
Granted: 1995-03-27
Abstract: 내용 없음.
Patent KR-960004589-B1 (KR)
Inventor: MILLER ROBERT O
IPC: H01L23/52
Filed: 1987-10-16
Granted: 1996-04-09
Abstract: 내용 없음.
Patent KR-0131206-B1 (KR)
Title: Lipid emulsion for parenteral or enteral nutrition
Inventor: DUTOT GUY
IPC: A23L33/00
Filed: 1988-07-22
Granted: 1998-04-17
Abstract: Lipid emulsion for parenteral or enteral nutrition, wherein the lipid phase is a mixture of long-chain fatty acids in which essential fatty acids represent 15 to 45 % of the total fatty acids.
Patent KR-0136611-B1 (KR)
Title: Alpha-amidating enzyme composition and process for its production and use
Inventor: GILLIGAN JAMES P
IPC: C12N11/00
Filed: 1988-08-13
Granted: 1998-04-25
Abstract: The present invention provides a method for the production of an alpha-amidating enzyme comprising the steps of providing a DNA sequence capable of coding for an alpha-amidating enzyme, ligating said DNA sequence into an expression vector, inducing transformation of said expression vector into a host cell capable of expressing said DNA sequence, and preferentially selecting host cells having and expressing said DNA sequence and a genetically engineered microorganism comprising at least one preferentially selected host cell by such a method.
Patent KR-0134623-B1 (KR)
Title: Preparation of olefin/co copolymers
Inventor: GEUZE MAARTEN MARINUS
IPC: C08G67/00
Filed: 1988-08-26
Granted: 1998-04-20
Abstract: Process for the preparation of copolymers, characterized in that a mixture of carbon monoxide with one or more olefinically unsaturated compounds is copolymerized by continuously contacting the mixture in steady state with a solution of a palladium-containing catalyst composition in the presence of liquid diluent in which the copolymers are almost or entirely insoluble, the quotient of the quantity of copolymer formed per hour and the quantity of copolymer in the reactor at any moment being less than 0.2.
Patent KR-910007379-B1 (KR)
Inventor: GAKUMOTO MUNENARI
IPC: H01L29/812
Filed: 1988-09-02
Granted: 1991-09-25
Abstract: 내용 없음.
Patent KR-0129661-B1 (KR)
Inventor: KINNEY JR OHLER L
IPC: F28F25/08
Filed: 1988-09-05
Granted: 1998-04-07
Abstract: 내용 없음.
Patent KR-940003228-B1 (KR)
Title: Thermister control and testing method
Inventor: KANG YUN-KUN
IPC: H05B6/02
Filed: 1988-12-21
Granted: 1994-04-16
Abstract: The temperature-controlling and self-diagnosing method in which the present temperature of food is discriminated to control the driving of a heater, if the present temperature of food is lower than a set temperature, a temperature sensor is opened to output a count value for the voltage output from an operational amplifier, if the present temperature is above the set temperature, the temperature sensor is closed to output the count value to a CPU, if there is a problem, power is turned off, and if not, a count value one step lower than the count value corresponding to a reference voltage is output from the CPU, converted into analog, and applied to the inverting port of the operational amplifier, thereby enhancing the stability and reliability of the system.
Patent KR-950011329-B1 (KR)
Inventor: MARK LEAR
IPC: F02M55/00
Filed: 1988-04-05
Granted: 1995-09-30
Abstract: 내용 없음.
Patent KR-950009585-B1 (KR)
Title: Auto-check method in video tape recorder
Inventor: PARK IL-JU
IPC: G11B27/02
Filed: 1989-03-30
Granted: 1995-08-24
Abstract: The automatic searching method comprises a first step of searching a key input from a user; a second step of if two continuous start record key inputs are searched at the first step, outputting corresponding character data in response to the key input and clearing the previous state flag and OSD menu; a third step of if one start record key input is searched at the first step, displaying the OSD menu, setting corresponding character data in response to the key input, transmitting the set data to OSD and servo and clearing the OSD menu in response to the reset key input; a fourth step of if a designated search key input is searched at the first step, setting corresponding character data in response to the key input, searching the recording section of the set character data by running the tape at a higher speed than a normal play speed, and playing from the searched recording section; and a fifth step of if a sequent search key input is searched at the first step, searching the recording section of the character data by running the tape at a higher speed than a normal play speed, sequentially displaying each searched section for a predetermined time and normal-playing with the start of the corresponding recording section in response to a play key input.
Patent KR-910010119-B1 (KR)
Title: Color subcarrier wave shaped circuit of encording picture signal
Inventor: CHOI HAE-YONG
IPC: H04N9/45
Filed: 1989-03-30
Granted: 1991-12-16
Abstract: The circuit for a video camera and a picture signal generator comprises a band pass filter (35) foremoving higher harmonics from a subcarrier freq.  square  wave  input  so  as  to  pass  only  a sinusoidal subcarrier to a first level control and buffer  circuit (40) which outputs a first chrominance subcarrier after blocking a DC component at a capacitor (C13). A phase shifter  (45)  receives the sinusoidal subcarrier to output a 90↿ phase-shifted sinusoidal subcarrier to a second level control and buffer circuit (50) which outputs a  second  chrominance  subcarrier  after  blocking  a  DC component.  Filters  (55,60)  prevents  transmission  of  the  two chrominance subcarriers and blocks noise from other power sources.
Patent KR-920001387-B1 (KR)
Inventor: FINLEY JAMES J
IPC: C23C14/06
Filed: 1989-04-03
Granted: 1992-02-13
Abstract: 내용 없음.
Patent KR-970010160-B1 (KR)
Inventor: LEE NAISIN
IPC: C02F1/04
Filed: 1989-06-16
Granted: 1997-06-21
Abstract: 내용없음.
Patent KR-0137660-B1 (KR)
Title: Use of 2-amino-4-morpholino-6-propyl-1,3,5-triazines in the preparation of a medicament for the treatment of
Inventor: WULFERT ERNST
IPC: C07D251/18
Filed: 1989-08-16
Granted: 1998-05-15
Abstract: A method for the treatment of cognitive and behavioral disorders associated with aging and with dementia syndromes, for example senile dementia, Alzheimer's type, by administering a 2-amino-4-morpholino-6-propyl-1,3,5-triazine of the formula   <IMAGE> in which R1=hydrogen, alkyl, aralkyl or acetyl, R2=hydrogen, hydroxyl, alkyl, hydroxyalkyl, alkoxyalkyl, dialkylamino, aryl-hydroxyalkyl, (hydroxycycloalkyl)alkyl, alkanoyloxyalkyl, benzoyloxyalkyl, phenylacetyloxyalkyl, aminocarbonyloxyalkyl, COR3, where R3=alkyl, aryl, halogenoaryl, alkylaryl, alkoxyaryl, aralkyl or aryloxy, CONR4R5, where R4 and R5=hydrogen or alkyl, or R1 and R2 form an alkyleneimino substituted by hydroxyalkyl, and in addition when R1=acetyl, R2=acetoxyalkyl, or a salt thereof.
Patent KR-0140089-B1 (KR)
Title: 광물질 첨가제를 함유하는 가스피뢰기
IPC: H01T4/12
Filed: 1989-09-08
Granted: 1998-07-01
Abstract: 내용없음
Patent KR-960009805-B1 (KR)
Title: Method of time clock adjustment between lcd remocon and main equipment
Inventor: LEE TAEK-HO
IPC: H04N5/44
Filed: 1989-10-23
Granted: 1996-07-24
Abstract: transmitting clock data when a reservation program of an LCD remocon is transmitted; comparing the clock data with clock data of a LCD main body; and inputting reservation program data when the clock data of the LCD remocon in accordance with the clock data of the main body. The method reduces error of time occurring by the difference of clock between the main body and remocon.
Patent KR-930007634-B1 (KR)
Inventor: UMEBAYASHI SHIGETO
IPC: F16H3/44
Filed: 1989-12-26
Granted: 1993-08-14
Abstract: 내용 없음.
Patent KR-930005999-B1 (KR)
Title: Process for preparing acrylic
Inventor: KIM JIN-BAEK
IPC: C08F8/32
Filed: 1989-12-30
Granted: 1993-07-01
Abstract: The heat-resistant transparent acrylic resin is  produced  by reacting a methacryl resin with a primary amine of  formula  RNH2, urea, 1,3-dimethyl (diethyl) urea, ammonium  acetate  or  ammonium bicarbonate of formula RNH3HCO3, and  a  distilled  water  in  the presence of a solvent at 180-350 deg.C. In the formulas, R  is  H, C1-20 alkyl, cycloalkyl, aryl, or aralkyl. The methacryl resin  is pref.  MMA  mono-polymer  of  MMA/ethylene   -   unsatd.   monomer copolymer.
Patent KR-920006937-B1 (KR)
Title: Control signal supply device
Inventor: HWANG KYONG-UN
IPC: G05F1/56
Filed: 1989-12-30
Granted: 1992-08-22
Abstract: The signal generator generates control signal  to  control  a stepwise power controller. The control signal generator includes a positive peak detector (1) for detecting positive  peak  value  of input sinusoidal signal, a noise eliminator  (2)  for  eliminating noise including output signal of the positive peak  detector  (2), an amplifier (5) for dividing frequency of  input  pulse  and  for amplifying the frequency divided input pulse, a comparator (6) for comparing output signals of the amplifier and a bridge diode,  and an output unit  (7)  for  differentiating  output  signal  of  the comparator (6) and for applying the  differentiated  signal  to  a gate of a SCR.
Patent KR-910008771-B1 (KR)
Inventor: MORIYA SATORU
IPC: C08L23/08
Filed: 1988-10-07
Granted: 1991-10-21
Abstract: 내용 없음.
Patent KR-930005829-B1 (KR)
Inventor: OGITANI OSAMU
IPC: C08G59/24
Filed: 1990-04-14
Granted: 1993-06-25
Abstract: 내용 없음.
Patent KR-0169477-B1 (KR)
Inventor: OMURE YUKIO
IPC: C11D7/50
Filed: 1990-06-18
Granted: 1999-01-15
Abstract: 내용없음.
Patent KR-920008356-B1 (KR)
Title: Machine for hulling oyster
Inventor: PARK YONG-SOP
IPC: A23L17/40
Filed: 1990-06-30
Granted: 1992-09-26
Abstract: The apparatus removes the shells from the  edible  shellfish, i.e. oyster, by using a pressing member with a blade on the  front end, reciprocated  by  a  pneumatic  cylinder-piston  system.  The apparatus comprises on air supply opening rod (3) having a packing (3") inserted into a circular  groove  (3');  an  elastic  support member (4) inserted into a hole (1""); an air pouring  member  (2) connected to the hole (1""); an elastic spring (4") whose one  end is inserted into a cap (4"") hole; an air  supply  opening  member (8) formed in a main body (1); the pneumatic cylinder (12)  having an air flow hole and a air  flow  groove;  the  piston  (11);  the pressing member  (15)  having  a  circular   protrusion   and   a rectangular rod.
Patent KR-940008469-B1 (KR)
Inventor: SAKAKIBARA SHIGERU
IPC: F16K31/06
Filed: 1990-08-23
Granted: 1994-09-15
Abstract: 내용 없음.
Patent KR-930006212-B1 (KR)
Inventor: EBATO KAZUO
IPC: C22C19/00
Filed: 1990-08-23
Granted: 1993-07-09
Abstract: 내용 없음.
Patent KR-940007866-B1 (KR)
Inventor: MIYAZAKI SHINJI
IPC: C23C16/455
Filed: 1990-10-29
Granted: 1994-08-26
Abstract: 내용 없음.