baber/WOPTO huggingface dataset:
Patent KR-810002040-B1 (KR)
Title: Construction for pit of blast furnace
Inventor: TAIZO K
IPC: C21B7/06
Filed: 1977-10-05
Granted: 1981-12-21
Abstract: A pit of blast furnace was constructed. this construction is featured by combining a success of concavo brick and convex brick in a direction of cross to a joint(4) and one or more classfied bricks with both convex(A1) and concavo(A2) combined by a series of brick A1 shaped with convex and brick A2 shaped with concavo.
Patent KR-810000691-B1 (KR)
Title: Process for preparing 1,8-disubstituted carbostyril derivative
Inventor: YAMASITA NORIHISA
IPC: C07D215/22
Filed: 1978-01-17
Granted: 1981-06-22
Abstract: Carbostyril derivs. (I; R1 = Cl, Br or F; A = vinylene; X = O) were manufd. by methylation of 8-substituted guinoline (II) followed by oxidation.  Thus, 1g NaOH melted in Me reacted with 4.5g 8-bromocarbostyryl and 2.6g dimethylsulfate and recrystalized with ethanol to give 3.9g 8-bromo-1-methylcarbostyryl.  Compd. I(I; R1 = Cl) 100 ppm controlled pyricularia oryzae on rice.
Patent KR-830001420-B1 (KR)
Title: Hanging device for bar materials
Inventor: TOKUCHI NOBUSHIGE
IPC: C25D17/06
Filed: 1978-04-21
Granted: 1983-07-25
Abstract: Hanging device for conveying bar material comprises a conveyor with a base plate (1) having a vertical face on which is secured a horizontal support unit (3) having an axis extending horizontally in a direction parallel to the vertical surface. A chuck member (6) with multiple gripper members (7) serves to hold the workpiece between the vertical surface and the edge of the gripper elements. The arrangement allows a wide range of workpiece sizes to be held e.g. aluminium bars during electrophoretic coating.
Patent KR-830000192-B1 (KR)
Title: 엔진구동식 발전송풍기
Filed: 1978-10-14
Granted: 1983-02-21
Abstract: 내용 없음.
Patent KR-830000271-B1 (KR)
Title: 1,2,3-티아디아졸-5-일 우레아의 제조방법
IPC: C07D285/06
Filed: 1979-11-07
Granted: 1983-02-26
Abstract: 내용 없음.
Patent KR-830001512-B1 (KR)
Title: 써모 플라스틱 파이프의 제조
IPC: B29C49/46
Filed: 1980-09-13
Granted: 1983-08-08
Abstract: 내용 없음.
Patent KR-850000726-B1 (KR)
Title: Quick-cooling apparatus for a refrigerator
Inventor: OGIDA YASUHIRO
IPC: F25D11/02
Filed: 1980-11-27
Granted: 1985-05-23
Abstract: In the refrigerator, evaporators for the cold and freezing chambers are coupled in series with a compressor and an electromagnetic valve is provided parallel with the evaporator for the cold chamber. An operating condition of the compressor is detected by a transformer and a given signal is produced from a startfailure preventing circuit. A start signal is transferred through a gate circuit to a relay portion only when the given signal is transmitted to a gate circuit.
Patent KR-820001523-B1 (KR)
Title: Electric permutation lock for motor roller cabinet
Inventor: LEE YOUNG HO
IPC: E05B49/00
Filed: 1980-12-16
Granted: 1982-08-27
Abstract: The purpose of this device is to provide an on-off cont-roller of movable cabinet which is used when we reduce it to only one to be installed motors in the many cabinets separately, and furthermore, is to digitalize this control device completely.  This control device has stored information by encoder(12) for key pad and program switch(30).  And it consists of the encoder output, comparative circuit to compare, alarm circuit(70) for comparative circuit, motor control circuit, motor and magnetic plunger control circuit, motor circuit(60), relay for plunger and indication lamp(50).
Patent KR-810000530-B1 (KR)
Title: Method for making an instantaneous thermochemial start
Inventor: EFHRHOP R
IPC: B23K7/06
Filed: 1981-02-19
Granted: 1981-05-27
Abstract: This method resides in the use of laser beam(1) focused to a small spot to bring the ferrous workpiece to ignition temperature in combination with a high intensity oxygen jet(30) to cause the initiation of the thermochemical reaction.  The laser beam may impinge the workpiece at a point about 1cm behind the spot where the oxygen impinges the workpiece surface to a point about 10cm ahead of the spot.  Accordingly, the laser beam may penetrate the high intensity oxygen jet and still cause the thermochemical reaction to start instantaneously.
Patent KR-840001541-B1 (KR)
Title: Abnormal alarm device of sewing machine
Inventor: TAKIKUCHI MICHITAKA
IPC: D05B69/00
Filed: 1981-04-08
Granted: 1984-10-04
Abstract: The faults warning appts. has multiple detectors each peculiar to a particular stitch-forming fault and for generating a fault signal according to which a corresponding speech data group is selected from multiple groups permanently stored in a memory(15). A selected speech group is spoken via an electroacoustic system including a speaker. This is much more informative system than conventional warning lights.
Patent KR-870000543-B1 (KR)
Title: Process for removing hydroperoxides and aldehydes from allyl-alkylether
Inventor: ABATIOGLOU ANTHONY GEORGE
IPC: C07C41/44
Filed: 1982-03-11
Granted: 1987-03-18
Abstract: Hydroperoxides (I) present in allyl alkyl ethers (II) are decomposed to prods. including alpha, beta-unsatd. aldehydes by treatment of CH2=CHCH2-O-C(Z1)(Z2)CHZ3Z4 (II) with a metal hydride (III) (where Z1Z2 are C1-4 alkyl; Z3Z4 are H or C1-3 alkyl; or Z2Z3 are together with C's as 5- or 6-membered cycloaliphatic ring). Prefd. (III) include alkali(ne earth) metal borohydrides, alkali metal trialkylborohydrides, LiAlH4 or Na(MeOCH2CH2O)2AlH2 and amt. used is a 2-100 fold mol. excess based on (I).
Patent KR-830001204-B1 (KR)
Title: 버섯 음료의 제조방법
IPC: A23L2/00
Filed: 1982-03-26
Granted: 1983-06-24
Abstract: 내용 없음.
Patent KR-890000943-B1 (KR)
Title: Verification device
Inventor: SULLIVAN PAUL F
IPC: G09F3/00
Filed: 1982-05-10
Granted: 1989-04-14
Abstract: This device has an image portion which includes a series of parallel lenticules having alternate rows which are shifted from their regular positions.  A background portion of the device comprises a series of parallel, equally spaced lenticules.  A series of parallel colored lines are positioned opposite the rows of lenticules and in registry with them.  To verify a logo or design, the optical effects formed by patterns of irregularly positioned rows of lenticules and colored lines are observed against a background of regularly spaced rows of lenticules and lines.
Patent KR-870000040-B1 (KR)
Title: Low-loss amorphus alloy
Inventor: INOMATA KOICHIRO
IPC: C22C45/02
Filed: 1982-09-11
Granted: 1987-02-07
Abstract: Low-loss amorphous alloy of formula (Fe1-2Nba)100-bXb is new. X is B or B+Si(up to 10 at.% Si). a is 0.02-0.075 and b is 15-21 (17-19). The amorphous alloy is heat treated at below its crystallization point in a nonmagnetic field. The amorphous alloy is used as a magnetic core for electromagnetic divices, e.g. a high-frequency magnetic core for a  switching regulator. Nb addition to an amorphous alloy improves the iron loss of the alloy or its thermal stability.
Patent KR-880001580-B1 (KR)
Title: Promoting composition for filling of rice grain
Inventor: OGAWA MASAMI
IPC: A01N37/02
Filed: 1982-11-17
Granted: 1988-08-24
Abstract: The growth stimulator comspn. for rice plant comprises 1 wt. part phenoxy low fatty acid deriv. (D) selected from 2,4- dichlorophenoxyacetic acid, 2-methyl-4-chlorophenoxyacetic acid, or its salt or ester, 200-2000 wt. parts 3-hydroxy-5-methylisoxazole or its salt (A), 100-3000 wt. parts methionine (B), and/or 0.1-10 wt. parts abscisic acid (C), and other adjuvants.  The compsn. can be formulated into a hydrated, liquid, or powder prepn. and also used with plant growth regulator, herbicide, fungicide, insecticide, and fertilizer.
Patent KR-890002371-B1 (KR)
Title: Lift mast
Inventor: HAFFER JOHN J
IPC: B66F9/08
Filed: 1983-03-15
Granted: 1989-07-02
Abstract: The lift jack is mounted on a fixed upright of a lift mast by a retention bracket (15) which engages the upper end of the lift cylinder and includes a cylindrical portion (22) and a pair of planar flanges (24,26) extending radially outward from the cylindrical portion.  The planar flanges (24,26) are resiliently mounted to the stationary upright.  When the rod of the lift jack (12) is extended, a moment is developed on the rod (166).  The resilient mounting (18) absorbs the moment by allowing the cylinder of the lift jack (12) to move in response to this moment relative to a point of attachment of cylinder to the stationary upright (114), which may be a pivot point.
Patent KR-860001393-B1 (KR)
Title: Process for the preparation of 1-alkyl-2-oxo-4-acyl-1,2,3,4-tetrahydropyrazines
Inventor: KIM CHUNG-SOP
IPC: C07D241/08
Filed: 1984-09-05
Granted: 1986-09-22
Abstract: 1-Alkyl-2-oxo-4-acyl-1,2,3,4-tetrahydropyrazine (I) [R1=C1-7 alkyl, benezene substituted with halogen, hydroxyl, lower alkyl, lower alkoxy; R2=phenyl substituted with lower alkyl, cycloalkyl, hydrogen, benzyl! is prepd. for use as an intermediate of 4-oxo1,3,4,6,7,11b- hexahydro-4H-piperazino[2,1-a!isoquinoline deriv. having a vermicide activity. Compd. (II) [R3=methyl, ethyl, cyclic acetal! is cyclized to give compd. (III), which is alkylized with alkylhalide to give compd. (I).
Patent KR-900000008-B1 (KR)
Title: Floating type magnetic head
Inventor: SASAZAKI ISAO
IPC: G11B5/60
Filed: 1984-09-27
Granted: 1990-01-18
Abstract: The floating type magnetic head comprises a slider (1) made of nonmagnetic material and a magnetic core (6) inserted in a core inserting groove formed through the slider so that the magnetic core is bonded at the inserted position by a bonding agent consisting of glass.  A slider groove (2) is formed at a central part of the slider, while floating surfaces (3),(4) are formed on both sides of the slider groove, with the core inserting groove (5) formed in communication with the slider groove.
Patent KR-900001262-B1 (KR)
Title: Electrical circuit for a micro processor graphic system
Inventor: KRANITZKY WALTER
IPC: G06T7/60
Filed: 1984-12-04
Granted: 1990-03-05
Abstract: Circuit arrangement is for producing a resultant contour from a plurality of superimposed polygonal sections in an image point store, which represent sections of a variable work piece.  The image point store is connected on one side to address logic for selecting the individual image point storage locations, characterised in that the address logic comprises up/down counters for at least two coordinate directions for addressing image point storage locations and bistable flip-flops, which are cyclically controlled by a sequence control and whose input signals are supplied by a logic network with logic modules.
Patent KR-880000319-B1 (KR)
Title: Sealing device of a valve
Inventor: REN E LOULHE
IPC: F16K1/226
Filed: 1985-06-26
Granted: 1988-03-19
Abstract: The valve seal has an annular body (19) of flexible V-section held in the valve body (1) by a ring dip (24) in a groove.  Screws (23) in one flange (20) are used to compress the toroidal elastic static seal (29) and the plane outer flange (17).  The dynamic seal (14) is postioned midway along the inclined valve seat face (12).  The seal (14) is welded to the foldable corrier (27) made in carbon fibre or glass fibre reinforced material which fits into a showdered recess (33) in the body.
Patent KR-890003360-B1 (KR)
Title: Vulcanizable rubber composition and the preparation of vulcanized rubber product therefor
Inventor: STEVENSON ARTHUR
IPC: C08L101/00
Filed: 1985-10-24
Granted: 1989-09-19
Abstract: A vulcanizing accelerator compsn. for rubber comprises a mixt. of a xanthate and a dihydrocarbyl xanthogen polysulphide selected from metal hydrocarbylxanthates and dihydrocarbylxanthates.
Patent KR-900000482-B1 (KR)
Title: Current mirror circuit
Inventor: AOKI HIDEHIKO
IPC: H03F3/45
Filed: 1985-12-24
Granted: 1990-01-30
Abstract: The current source is connected to the input current supply unit which is such that the control is through the input current supply unit.  The current source can be controlled through the input current supply unit so that the current in the source can be proportional to the current in the input current supply unit variations.  Current reflecting transistors of PNP type can be used.
Patent KR-890001884-B1 (KR)
Title: Process for the preparation naphthalene derivatives
Inventor: IWASAKI DAMEMO
IPC: C07C45/00
Filed: 1986-01-09
Granted: 1989-05-29
Abstract: Naphthalene derivative of formula (I-a), useful for lowering fatty substance in blood, was prepared from condensation reaction of (II) with (III) which is aldehyde compound, its di-lower alkyl acetal, or its salt.  Here, R" is H or lower alkoxy carbonyl, R5 is lower alkyl, R3 and R4 are both lower alkoxy, either R3 or R4 is hydrogen atom and remaining is lower alkyl alkoxy, and A ring is benzene ring substituted or not.
Patent KR-930011870-B1 (KR)
Inventor: ALAN HARRY
IPC: B41J32/00
Filed: 1986-01-18
Granted: 1993-12-21
Abstract: 내용 없음.
Patent KR-890002420-B1 (KR)
Title: Swivelable single axle railcar truck and railcar
Inventor: PATON EICH N
IPC: B61F5/30
Filed: 1986-02-06
Granted: 1989-07-03
Abstract: The truck includes two damper ramp supports (10,12) connected together by a transverse tie assembly (14).  Movable radius arms (16,18) are pivoted from the damper ramp supports and support a single wheeled axle (20).  Springs (22,24) act between the radius arms and an overhead railcar body (26).  A swivel assembly (28) provides horizontal load bearing support about a rotational truck axis adjacent the axle.  Two yaw control assemblies (34,36) act between the damper ramp supports and the railcar body.  The truck is swivelable and self steering, with the radius arms being sprung from overhead and not the side frames.
Patent KR-900008600-B1 (KR)
Inventor: UGIMURA MITSO
IPC: G01G3/147
Filed: 1986-04-17
Granted: 1990-11-26
Abstract: 내용 없음.
Patent KR-900002972-B1 (KR)
Title: Magnetic recording medium
Inventor: OZIMA KUMIKO
IPC: G11B5/735
Filed: 1986-05-22
Granted: 1990-05-03
Abstract: A magnetic recording medium comprises a non-magnetic support on one side of which is formed a magnetic recording layer, and a back coating layer formed on the other side of the support.  The coating layer comprises 25-400 pts. wt. of a carbon black dispersed in 100 pts. wt. of a resin binder.  The carbon black has a colouring power of not less than 90 at pH 2.0-8.5 and an average size of 0.01-0.05 micrometer.  The resin binder is a vinyl chloride resin, a urethane resin or a nitrocellulose.
Patent KR-900008914-B1 (KR)
Inventor: NAGANO TAMIO
IPC: F16F15/129
Filed: 1986-12-16
Granted: 1990-12-11
Abstract: 내용 없음.
Patent KR-920005816-B1 (KR)
Inventor: UENO RYUZO
IPC: C07C65/05
Filed: 1985-11-09
Granted: 1992-07-20
Abstract: 내용 없음.
Patent KR-960004407-B1 (KR)
Title: Method of making a removable tension member
Inventor: MART FETER
IPC: E02D5/76
Filed: 1987-04-20
Granted: 1996-04-02
Abstract: In order to make a tension member (1) substantially removable from the ground or from a structure, a central element (2) thereof is completely severed. If the tension member is to be further weakened, at least one outer element (3) is also severed besides the central element. A supporting contrivance (5) is applied to the tension member either around the point of separation (4) of the central element or around both points of separation (4, 6) of the central element and of the outer element. By application of a load, the tension member is torn apart near the point or points of separation so that the major part of the tension member can be pulled out of the ground or structure and, if need be, reused.
Patent KR-910000507-B1 (KR)
Inventor: KINOSHITA HARUHISA
IPC: H01L21/302
Filed: 1987-06-23
Granted: 1991-01-26
Abstract: 내용 없음.
Patent KR-910007751-B1 (KR)
Inventor: MICHIYOSHI TACHIGAWA
IPC: G06V30/182
Filed: 1987-07-03
Granted: 1991-09-30
Abstract: 내용 없음.
Patent KR-900004987-B1 (KR)
Title: Liquid crystal apparatus
Inventor: TAKENO SHOJO
IPC: H05K3/32
Filed: 1987-09-11
Granted: 1990-07-16
Abstract: In the liquid crystal apparatus, an anisotropic conductive layer made of organic resin containing several electrically conductive particles having identical particle size is disposed between lead electrodes of a liquid crystal device and the lead electrodes of a drive circuit board. Thermocompression bonding is applied to the electically conductive particles in direct contact with both lead electrodes. Further, one of the lead electrodes of a common electrode in the liquid crystal device and of the circuit board corresponding to the common electrode includes a number of separated electrodes that are spaced apart. The pitches and widths of the separated electrodes are in the range of +- 30 percent around the average values for pitch and width for the separated electrodes.
Patent KR-940008539-B1 (KR)
Inventor: TERASAKI MASAHIRO
IPC: A24F13/06
Filed: 1987-12-22
Granted: 1994-09-24
Abstract: 내용 없음.
Patent KR-960005514-B1 (KR)
Title: Esters of cyclopropanecaroxylic acids related to pyrethric acid, process for their preparation and their use as parasiticides
Inventor: CADIERGUE JOSEPH
IPC: C07C33/46
Filed: 1988-02-06
Granted: 1996-04-25
Abstract: Compounds of formula I: 
<IMAGE>
 in which:
 - X denotes a hydrogen, fluorine, chlorine or bromine atom,
 - R denotes an alkyl, aryl or heterocyclic radical,
 - Z denotes a hydrogen atom, a CH3 radical, C N or C CH, and
 - Y denotes a hydrogen atom or an alkyl, -(CH2)m-O-alkyl, -(CH2)m-S- alkyl, (CH2)m-N-(alkyl)2 or Si(alkyl)3 radical. 
<??>The compounds of formula I exhibit advantageous pesticidal properties.
Patent KR-960013150-B1 (KR)
Title: Heat treating method of piq film using heating plate
Inventor: LEE CHANG-SUB
IPC: H01L21/31
Filed: 1988-02-15
Granted: 1996-09-30
Abstract: The heat treatment for P.I.Q. film spreaded on a wafer, wherein four heat treatment apparatuses are disposed, each having the heat plate of different temperature respectively, and the wafer is moved along the four apparatuses, step by step. The first step heats the P.I.Q. 1-2 minutes at 120-150 deg.C, second step 4-6 at 180-210, third step 1-2 at 240-270, and fourth step 4-6 at 350.
Patent KR-900006436-B1 (KR)
Title: Multi-tuner system
Inventor: KIM JAE-JUN
IPC: H03J7/00
Filed: 1988-02-15
Granted: 1990-08-31
Abstract: The multi-tuner sustem is for tuning European CCIR type broadcast signal including England M, East Germany Dk, France L,L', I types. The picture and sound makers in low freq. band of SECAM type are inversed in an inverter (2). The output of the CCIR tuner (1) is provided to a SAW filter (4) to form overall wave through a sound trap circuit (3) tuned for M type. The sound signal tuned by the CCIR tuner has different freq. bands according the broadcast type but a sound IF mixer (91) tunes it automatically.
Patent KR-910006375-B1 (KR)
Title: Pedestal control circuit
Inventor: LEE HYO-SAM
IPC: H04N9/73
Filed: 1988-03-17
Granted: 1991-08-21
Abstract: The circuit for controlling a pedestal position automatically in accordance with a dimmest point on  screen  includes  a  master pedestal detector (20) for detecting a dim portion  of  NAM  video input signal to convert it into a DC value and  to  apply  the  DC signal to a microcomputer (30).  The  master  pedestal  controller (40) receives a corrected DC value from the microcomputer (30)  to automatically control the pedestal  level  of  video  signal.  The master pedestal detector (20) includes an OP amplifier  (OP1)  for amplifyign the NAM video signal, a clamp,  and  a  integrator  for adding the corrected  DC  value  to  the  values  regulated  by  a variable resistor (VR2) and a diodes (D1-D3), and integrating  the mixed value.
Patent KR-960005837-B1 (KR)
Inventor: HIGASHIMURA HIDEAKI
IPC: B60T8/1761
Filed: 1988-04-30
Granted: 1996-05-03
Abstract: 내용 없음.
Patent KR-910001551-B1 (KR)
Inventor: KIKUCHI KATSUJI
IPC: F04B35/04
Filed: 1988-06-13
Granted: 1991-03-15
Abstract: 내용 없음.
Patent KR-920007440-B1 (KR)
Inventor: KUMANOYA MASAKI
IPC: G11C7/10
Filed: 1988-12-24
Granted: 1992-09-01
Abstract: 내용 없음.
Patent KR-950008276-B1 (KR)
Inventor: COHEN ABRAHAM D
IPC: C07C29/76
Filed: 1988-02-01
Granted: 1995-07-27
Abstract: 내용 없음.
Patent KR-920002124-B1 (KR)
Title: Winding apparatus
Inventor: PARK KYE-JUNG
IPC: H02K15/09
Filed: 1989-01-09
Granted: 1992-03-12
Abstract: The apparatus regularly winds coil  wire  on  the  peripheral groove of a rotor core in  manufaturing  an  electric  motor.  The apparatus comprises a rotor core mounting section having a fixture (3a) on a projecting bar (3) mounted on an  intermittent  rotating station (2) on the lower side, a compressing part (6a) hung  on  a lift bar (6) elevated by a pneumatic cylinder (7); a  wire-feeding guide section having a rotary disc (20)  with  a  guide  rod  (21) actuated by rotary expanding-bar (19), a groove (17) for  clamping a rotor core (4) supported by a coil spring (18);  a  wire-winding guide section having opening/closing rods (10)(10a)  stretched  by two sliding rollers (13) and a lifting plate (12).
Patent KR-920003037-B1 (KR)
Title: Pvc composition which is excellent to heat and light
Inventor: RHO IK-SAM
IPC: C08L27/06
Filed: 1989-01-31
Granted: 1992-04-13
Abstract: The vinyl chloride resin compsosition is composed of 100  wt. pts. vinyl chloride resin, 2-5 wt. pts. composite of zinc stearate and calcium   stearate,   and   1.5-30   wt.   pts.   heat-   and light- stabilization auxiliary i.e. polyethylene  glycol  ether  of formula R1O(CH2H2O)nR2 or polyethylene glycol  ester  or  formula R3COO(CH2CH2O)nOCR3. In the formulas, R1 is C1-17 alkyl,  alkenyl, phenyl or alkylphenyl; R2 and  R3  are  each  H,  C1-17  alkyl  or alkenyl; n is 3-40. The vinyl  chloride  resin  is  pref.  PVC  or copolymer of vinyl chloride/vinyl acetate (or ethylene).
Patent KR-0147367-B1 (KR)
Inventor: BROER DIRK JAN
IPC: C08L101/00
Filed: 1989-02-25
Granted: 1998-09-15
Abstract: 내용없음
Patent KR-920008489-B1 (KR)
Title: Boring apparatus
Inventor: NEMOTO ISAO
IPC: F16L55/26
Filed: 1989-02-28
Granted: 1992-09-30
Abstract: An apparatus for boring a hole, which affords communication between a first member (12) and a second member (18) connected to the first member (12), in the first member (12), comprises cutting means (20) having a rotary axis, first drive means (40) for shifting the cutting means (20) along a first axis extending in the direction orghogonal to the rotary axis, second drive means (54) for shifting the cutting means (20) along a second axis orghogonal to the rotary axis and first axis, third drive means (80) for rotating the cutting means about the rotary axis, detecting means (116, 118) for detecting a load acting on the cutting means (20) and control means (100, 102, 114, 116) for controlling the first and second drive means (40, 54) to correct the position of the cutting means (20) on the basis of a detecting signal provided from the detecting means (116, 118) so as to prevent an overload from acting on the cutting means (20).
Patent KR-910010153-B1 (KR)
Inventor: HEIN RICHARD D
IPC: B62D21/09
Filed: 1989-05-11
Granted: 1991-12-17
Abstract: 내용 없음.
Patent KR-0137273-B1 (KR)
Inventor: RODRIGUEZ-CAVAZOS ENRIQUE
IPC: H04N3/185
Filed: 1989-05-15
Granted: 1998-04-28
Abstract: 내용 없음.
Patent KR-960003204-B1 (KR)
Title: Manufacturing method of the rotor for the compressor motor
Inventor: LA SANG-YUN
IPC: H02K15/02
Filed: 1989-06-08
Granted: 1996-03-06
Abstract: The method for manufacturing a rotor in a compressor motor comprises the steps of: (1) inserting a predetermined size of hole formed at the center of a plurality of core plates to the circumference of a fixing pin; (2) filling an aluminium layer in the space limited by the minor diameter of the core plates and the fixing pin by aluminium die casting the structure obtained by the step (1); (3) removing the fixing pin from the structure obtained through the step (2) and finely working the aluminium layer and the circumference of the core plates; and (4) heating and expanding the structure obtained through the step (3), inserting a crank shaft of a compressor and then contracting the structure to stick the minor diameter of the aluminium layer fast to the crank shaft.