baber/WOPTO huggingface dataset:
Patent KR-900007625-B1 (KR)
Title: Amino acyllabdanes and their preparation
Inventor: KOSLEV RAYMOND W JR
IPC: C07D311/92
Filed: 1985-12-13
Granted: 1990-10-17
Abstract: 1-Aminoacetyl-8,13-epoxy-labdane derivs. of formula (I) and their optical and geometric isomers and acid addn. salts. In (I), R1= R2R3NCHR4CO; R2= H, lower alkyl or benzyl; R3= H or lower alkyl; or NR2R3= gp. (II); R4= H, lower alkyl or benzyl; X= CO, O, S, SO2 or CHR9; R9= H, lower alkyl or OR10; R10= H or COR11; R11= lower alkyl; R6= H or R5CO; R5= H or lower alkyl; R7= H or R8CO; R8= H or lower alkyl; or R6 and R7 together are -CO or -SO-. (I) are used for treating high intraocular pressure, hypertension, congestive heart failure, asthma and psoriasis.
Patent KR-930004793-B1 (KR)
Inventor: DARBELLY JACQUES
IPC: C07D301/26
Filed: 1985-12-20
Granted: 1993-06-08
Abstract: 내용 없음.
Patent KR-930006335-B1 (KR)
Inventor: AGARWAL ANIL K
IPC: C04B33/28
Filed: 1986-02-03
Granted: 1993-07-14
Abstract: 내용 없음.
Patent KR-900002981-B1 (KR)
Title: Rotating control apparatus for record carrver
Inventor: SAGAKIBARA YOSIO
IPC: G11B19/20
Filed: 1986-05-29
Granted: 1990-05-03
Abstract: The appts. controls a rotation of a recording medium in which a signal modulated in a rung length limited code has been recorded in concentric or spiral information tracks at a constant linear velocity.  An inversion time detecting circuit alternately senses a max. or min. transition internal of a reproduced digital signal from its rise transition to its fall transition and a max. or min. transition interval of the reproduced digital signal from its fall transition to its rise transition so as to produce a transition interval signal corresp. to each of the detected max. or min. values.
Patent KR-900006961-B1 (KR)
Title: Control system of rotating speep and phase of disk
Inventor: IKOMA JUNIGI
IPC: G11B19/247
Filed: 1986-05-29
Granted: 1990-09-25
Abstract: Light emitted from a laser diode is reflected by a video disc which is rotated by a spindle motor. The reflected light is modulated by video information recorded on the video disc and converted to an electrical signal by a photodiode array. A signal generated by a trapezoidal generator is sampled with a horizontal synchronising signal separated from the video information signal. The sampled signal is supplied to the spindle motor for correcting a time base error. A zero crossing point of the trapezoidal wavefrom is detected and is utilised for controlling the start of a rise portion of the trapezoidal waveform for compensating a DC offset.
Patent KR-920007966-B1 (KR)
Inventor: ISHIKAWA YOSHITOMO
IPC: B65G47/78
Filed: 1986-07-03
Granted: 1992-09-19
Abstract: 내용 없음.
Patent KR-900003978-B1 (KR)
Title: Checking method for parking system
Inventor: LEE SUNG-YEON
IPC: E04H6/42
Filed: 1986-07-23
Granted: 1990-06-07
Abstract: The checking method for parking system checks troubles of input part in parking system controller using microprocessor. The checking system includes parking system controller (1) formed by input buffer (5), CPU (6), output buffer (7). The input buffer is connceted with checking switch (4). The output buffer is connected with normal operation circuit (8), trouble display part (9) which is connceted to a trouble display lamp of input buffer (5).
Patent KR-900004835-B1 (KR)
Title: Process for the preparation of tetrahydro-isoquino isoqinoline derivatives
Inventor: YOSHIHARU MORITA
IPC: C07D491/048
Filed: 1986-09-04
Granted: 1990-07-07
Abstract: Tetrahydroisoquinoline derivs. of formula (I) are prepd. by the cyclization of N-methylbenzylaminoacetals of formula (II) in the presence of sulfonic acid. In the formulas, R1 is H or Me; R3 and R4 are each C1-5 alkyl. (I) are useful as intermediates for cotarnine which is a starting material for prepn. of antiallergic cpd. tritoqualine.
Patent KR-900007265-B1 (KR)
Title: Air-conditioncontrolling apparatus for automobile
Inventor: KAGOHATA SUNEO
IPC: B60H1/00
Filed: 1987-04-01
Granted: 1990-10-06
Abstract: A room temperature difference signal, and a reference blowout temperature are calculated with the temperature being corrected. A target blowout temperature is thus calculated. The heat exchanger is controlled so that the difference between the target blowout temperature and the actual blowout temperature becomes zero. Predetermined arithmetic operations are executed by a microcomputer on the basis of the temperature signals of the respective portions from temperature sensors, air-mix door opening degree signals from feedback potentiometers and set signals from push button switches.
Patent KR-900009174-B1 (KR)
Inventor: MIYAMOTO LIZU
IPC: G11B15/665
Filed: 1987-04-01
Granted: 1990-12-24
Abstract: 내용 없음.
Patent KR-880001070-B1 (KR)
Title: The earth globe of rotation from the earthmagnetic force and gravity
Inventor: PARK YEON-SU
IPC: G09B27/00
Filed: 1987-10-10
Granted: 1988-06-20
Abstract: The world globe (1) houses a magnetic body (2) or (3) respectively in the shape of a truncated sphere or cone closely fitting to the inner surface of the globe on the south pole side, with the poles of the magnetic body directed exactly toward the poles of the globe.  The magnetic body has a through-hole (4) which receives a bolt (5) with a spherical head and a tube bolt (6) respectively screwed from the both ends of the hole (4).  The center of gravity of the whole globe is arranged to be at the spherical center of the bolt (5).  The globe set on an oblique plate (1) rotates on its axis and also revolves in the orbital motion.
Patent KR-900008785-B1 (KR)
Inventor: SHIRAHASAE TSUTOMOO
IPC: G07D9/00
Filed: 1987-10-16
Granted: 1990-11-29
Abstract: 내용 없음.
Patent KR-880000951-B1 (KR)
Title: Twin arc welder for short circuiting
Inventor: TABADA YOICHIRO
IPC: B23K9/06
Filed: 1988-04-13
Granted: 1988-06-04
Abstract: A short-circuit transfer arc welder has a voltage detector between the wire electrode and the metal to be welded.  This is connected to a pair of comparators.  The first determines when the detected voltage corresponds to a short circuit, the second to an arc discharege.  Their signals are fed to a switching control, which closes the main supply switch in response to the first, and opens it in response to the second after a predetermined delay. This delay is regulated by a rhythm control, according to the speed of the wire feed and the average value of the detected voltage.  The welding arc is maintained by a continuous low voltage auxiliary supply.
Patent KR-910002618-B1 (KR)
Title: Melody generating method by tone genertor
Inventor: YEO MIN-KI
IPC: H04M1/00
Filed: 1988-06-28
Granted: 1991-04-27
Abstract: The method for reproducing the various  kinds  of  melody  by controlling the tone generator (13A) of the image modem (13)  with software comprises steps; (a)  checking  the  key  selection;  (b) setting the melody, octave, tempo, or volume with  key  data  when the melody key is selected; (c)  controlling  the  tone  generator with the set conditions; and (e) completing the melody generation. The melody data is stored in a RAM (12) read by a  program  stored in a RAM (11).
Patent KR-910009639-B1 (KR)
Inventor: DERAOKA KISHI
IPC: H01J29/87
Filed: 1988-10-19
Granted: 1991-11-23
Abstract: 내용 없음.
Patent KR-910001408-B1 (KR)
Title: Seawood powder and method for making sedwood soup
Inventor: KIM CHUNG-OK
IPC: A23L17/60
Filed: 1988-11-04
Granted: 1991-03-05
Abstract: A seaweed soup base is prepd. Thus, salted seaweed (I) or raw seaweed is washed with sea water, washed with fresh  water  within 30 sec. and dried to obtain (I) contg. 8-12 wt.% salt. The  washed (I) is dehydrated to become 75-80  wt.%  water  content,  cut  and semi- dried at 120-150 deg.C for 40-60 min. The  semidried  (I)  is gelatinized, dried to become 7 wt.% or less water content at 70-90 deg.C and pulverized to obtain alpha seweed powder of 100 mesh  or more. The alpha seaweed powder  is  mixed  with  M.S.G.,  sucrose, salt, garlic powder,  pepper  powder,  green  seaweed,  and  other additives to give powdery seaweed soup base.
Patent KR-910006424-B1 (KR)
Inventor: LAAR ANTON V
IPC: C07K14/745
Filed: 1986-08-04
Granted: 1991-08-24
Abstract: 내용없음.
Patent KR-960004414-B1 (KR)
Title: Cold-setting moulding binders and the method of moulding the articles
Inventor: MAREK TORBUS
IPC: B22C1/00
Filed: 1987-11-07
Granted: 1996-04-03
Abstract: PCT No. PCT/EP87/00691 Sec. 371 Date Jul. 13, 1988 Sec. 102(e) Date Jul. 13, 1988 PCT Filed Nov. 7, 1987 PCT Pub. No. WO88/03847 PCT Pub. Date Jun. 2, 1988.The binder serves to produce foundry moulds and comprises a solution (preferably an aqueous solution) of aldehyde reactive phenol substances and gaseous acetals (preferably dimethyl formal) as reaction partners and strong acids, e.g. sulphuric acid and sulphonic acids as a catalyst. The acetal is in this system hydrolysed by the acid, the basic aldehyde being formed, which will react with the aldehyde reactive phenol substance accompanied by cross-linking. The acid serves thereby simultaneously as a cross-linking catalyst. In principle, it is possible to regard as "aldehyde reactive phenol substances" any phenolic compounds which can in the acid range cross-link more or less spontaneously with aldehydes. Preferably, these are resorcinol or resorcinol products, e.g. resorcinol pitch or precondensates formed with a shortfall of aldehyde, e.g. based on resorcinol formaldehyde, phenol resorcinol formaldehyde or resorcinol melamine formaldehyde. To produce foundry moulds, a granular basic moulding material, e.g. sand, the solution of the aldehyde reactive phenol substance and the acid are used to produce a moulding mixture which is then caused to set by passing the gaseous acetal (formal) through it. The aldehyde cross-linking of the aldehyde raective phenol substance in the acid medium, the process which takes place thereby, produces duroplasts (resites), which combine a very good thermal resistance and a low pollutants emission during casting with a high strength and negligible sensitivity to moisture in the mouldings produced, features which make them extremely favorable.
Patent KR-910003184-B1 (KR)
Title: The method uses proline derivatives
Inventor: CHANG MOON-HO
IPC: C07D207/08
Filed: 1989-01-25
Granted: 1991-05-22
Abstract: proline derivative of formula (I) is  prepared  by  reacting ethyl- 2-oxo-4-    phenylbutenoate    of    formula    (II)    with L- alanyl-L-proline of formula (III) in the presence of a  reducing agent selected from NaBH3CN or a mixture of Pd/C and H2  gas.  The cpd. (I) has an angiotensin-converting enzyme inhibiting activity, and is useful as a hypotensive agent.
Patent KR-910005110-B1 (KR)
Title: Over voltage protective circuit
Inventor: KIM JONG-PYO
IPC: H02H9/04
Filed: 1989-07-21
Granted: 1991-07-22
Abstract: The circuit is for detecting the overvoltage and cutting  off the power supply to the digital circuit. The circuit comprises two detecting means for comparing the positive/negative  voltage  with the threshold reference voltage and for detecting the overvoltage, an overvoltage display means, and a cut-off means for cutting  off the power supply.  The  circuit  improves  the  reliability  of  a system.
Patent KR-960012092-B1 (KR)
Inventor: KNUDSEN RONALD DOUGLAS
IPC: C08F10/02
Filed: 1989-07-24
Granted: 1996-09-12
Abstract: 내용없음
Patent KR-920004290-B1 (KR)
Inventor: OKAMODO GOSEI
IPC: G06F9/38
Filed: 1989-08-05
Granted: 1992-06-01
Abstract: 내용 없음.
Patent KR-940004789-B1 (KR)
Title: Coret chuk
Inventor: GERALD WILLEN C
IPC: B23B31/02
Filed: 1989-09-30
Granted: 1994-06-01
Abstract: The collet comprises an outer body (1) provided with a cylindrical bore (2), and a sleeve (3) which can move axially inside the bore (2). The sleeve (3) comprises screws (8) for holding the cutting tool. The outer body (1) and the sleeve (3) are provided with prismatic surfaces (9, 10) connecting them kinematically in rotation, and means (5, 11, 12) limiting the axial displacement of the sleeve (3) inside the bore (2). A spring (4) arranged inside the bore (2) makes it possible to return the sleeve (3) into a predetermined rest position. This tool- holding collet permits autonomous axial compensation of the difference between the liner feed movement imposed by the machine and that which the tool has, for example a tap. <IMAGE>
Patent KR-920004260-B1 (KR)
Inventor: MIWA YOSHIYUKI
IPC: A47J31/22
Filed: 1989-11-01
Granted: 1992-06-01
Abstract: 내용 없음.
Patent KR-930008753-B1 (KR)
Title: Process for the preparation of hot melt-type tape
Inventor: CHOE HAE-CHUNG
IPC: C09J7/02
Filed: 1989-12-15
Granted: 1993-09-13
Abstract: The hot melt-fusion tape for coating a  dressmaking  line  is manufactured by (a) coating a dissolved  organic  solution  contg. dry  polyurethane  resin,  light-stabilizer,  heat-stabilizer  and oxidization stabilizer on the  releasing  paper,  and  drying  the coated material to form a substrate layer of 10-25  m, (b) coating the dissolved solution having 20-25g/10min melt flow index on  the substrate layer,  and  drying  the  coated  material  to  form  an adhesive layer of 30-60  m,  and  (c)  exfoliating  the  releasing paper.
Patent KR-0166336-B1 (KR)
Title: Immunomodulatory azaspiranes
Inventor: BADGER ALISION MARY
IPC: A61K31/403
Filed: 1988-09-27
Granted: 1999-01-15
Abstract: The invention relates to pharmaceutical compositions containing immunomodulatory azaspiranes of the formulae (I) and (II): <CHEM> wherein n is 3-7, m is 1 or 2, and R<1> to R<6> are hydrogen or alkyl. Also disclosed are novel azaspiranes and processes for their preparation.
Patent KR-970008211-B1 (KR)
Title: Thermoplastic compositions based on saturated polyester and moulded articles containing them
Inventor: HERT MARIUS
IPC: C08L67/02
Filed: 1988-12-23
Granted: 1997-05-22
Abstract: Thermoplastic composition comprising at least 60% by weight of a saturated polyester and not more than 40% by weight of at least one polymeric reinforcement. The polymeric reinforcement employed is an at least partially crosslinked polymeric composition obtained by mixing: (a) at least one copolymer comprising from 94 to 60% by weight of ethylene, from 5 to 25% by weight of at least one alkyl or cycloalkyl acrylate or methacrylate in which the alkyl or cycloalkyl group has from 2 to 10 carbon atoms, and from 1 to 15% by weight of at least one unsaturated epoxide, (b) at least one copolymer comprising from 84 to 60% by weight of ethylene, from 15 to 34% of at least one alkyl or cycloalkyl acrylate or methacrylate in which the alkyl or cycloalkyl group has from 2 to 10 carbon atoms, and from 1 to 6% by weight of at least one anhydride of an unsaturated dicarboxylic acid, and (c) at least one compound capable of accelerating the reaction between the epoxy group present in the copolymer (a) and the anhydride group present in the copolymer (b).
Patent KR-0137762-B1 (KR)
Inventor: BINKLEY MICHAEL J
IPC: B01D3/20
Filed: 1990-03-08
Granted: 1998-04-27
Abstract: 내용없음
Patent KR-920005441-B1 (KR)
Title: Air-conditioning system
Inventor: HONG UN-SU
IPC: F24F5/00
Filed: 1990-04-06
Granted: 1992-07-04
Abstract: The air conditioning device consists of a body parts (A)  and parts (B) rotated by the jet force of the conditioner. The  rotary part (B) for heat and cold wind includes the first, second,  third frange (52a,52b,52c)  and  the  first,  second  bearing  (53a,53b) between low part (50a) of L-shaped rotary body (50),  outlet  hole (50a) and the blastpipe (44). A body parts (A) comprises the first heating parts (20) formed on the upper and  lower  parts  for  the first, second heater  (22a,22b)  and  connecting  tube  (23a,23b), plural radiating plate (33) between warm water pipes (31a,31b)  in both side, the second heating part (30) connected to a  pipe  (35) between main warm pipe (31a) and water tank (34).
Patent KR-920011020-B1 (KR)
Title: Benzazine compound and pharmaceutical use thereof
Inventor: KAWAKITA TAKESHI
IPC: C07D417/12
Filed: 1990-07-03
Granted: 1992-12-26
Abstract: A benzazine compound, a geometrical isomer of said benzazine compound, an optical isomer of said benzazine compound, and a pharmaceutically acceptable salt of said benzazine compound, said benzazine compound being represented by formula (I): <CHEM>  wherein  R9 represents <CHEM> X represents oxygen or sulfur; Y represents oxygen or N-R10. Said benzazine compounds exhibit 5-HT3 receptor antagonistic activity, and 5-HT1A receptor and/or dopamine D2 receptor blocking activity so that they are useful as drugs for the prophylaxis or treatment of various digestive diseases vomiting and disturbances in central nervous systems and the like. The intermediates for said benzazine compounds are also disclosed.
Patent KR-0177144-B1 (KR)
Inventor: KIN NARIHIKO
IPC: B23Q3/157
Filed: 1990-08-31
Granted: 1999-04-01
Abstract: 내용없음.
Patent KR-930002026-B1 (KR)
Title: Seasonings
Inventor: CHOE CHUN-ON
IPC: A23L11/20
Filed: 1990-09-08
Granted: 1993-03-22
Abstract: A seasoning food is prepd. by (a) mixing 5-95  %  red  pepper paste and 5-95 % tomato kechap, (b) re-mixing the obtd. mixt. with 1-20 % seasoned  spice  contg.  meat,  vegetable  and  spice  and 0.005-5.0 % xanthan gum, (c) homogenizing the re-mixt. at 3000 rpm for 10 min. and (d) sterilizing it at 60-80 deg.C for  30-60  min. to obtain the final product. The obtd. seasoning food has  a  good taste and can be preserved for a long time.
Patent KR-940005944-B1 (KR)
Inventor: TOWNSEND RAY T
IPC: A22B3/10
Filed: 1990-10-24
Granted: 1994-06-25
Abstract: 내용 없음.
Patent KR-930004035-B1 (KR)
Title: Digitally recording circuit
Inventor: SHIN DONG-JIN
IPC: H04M1/64
Filed: 1990-11-19
Granted: 1993-05-19
Abstract: The circuit watches the voice  data  of  a  time  slot  among digital channels multiplexed through a receiver and inputting  the voice data through a transmitter and a tape recorder. It  includes a data buffering section (10) for buffering  time  slot  data  and time slot selecting  signal,  a  time  slot  controller  (20)  for generating appropriate time slot, a PCM mod/demodulator  (30)  for inputting and outputting digital & analog sound,  and  a  matching section (40) of a tape recorder and a receiver.
Patent KR-970006495-B1 (KR)
Inventor: AIME MENASSA
IPC: A61L9/01
Filed: 1990-12-18
Granted: 1997-04-28
Abstract: 내용없음.
Patent KR-0136709-B1 (KR)
Title: Magneto optical recording apparatus
Inventor: WATANABE TETSU
IPC: G11B19/14
Filed: 1989-06-19
Granted: 1998-04-24
Abstract: In a magneto-optical recording apparatus, light spots are successively formed on a magneto-optical disc (2) at a timing of a predetermined reference clock signal (SCK), and record data are magnetically recorded onto the disc (2) by applying a predetermined modulation magnetic field (HM) of which the polarity is inverted depending on the record data in synchronism with the reference clock signal (SCK). At least one of the timing of irradiating a light beam (LA1) forming the light spots, the light volume of the beam or the irradiation time is controlled depending upon the temperature of the disc (2) and/or the scanning position of the light spot, in order to form a pit (P) at a correct position relative to the timing of the reference clock signal (SCK). <IMAGE>
Patent KR-950011889-B1 (KR)
Title: Pharmaceutical composition for the treatment of squamous cell carcinoma intralesionally with purified recombinant human alpha 2 interferon
Inventor: TANNER DANIEL J
IPC: A61K38/21
Filed: 1989-11-29
Granted: 1995-10-12
Abstract: Human squamous cell carcinoma is successfully treated by intralesional administration of recombinant human interferon alfa-2b.
Patent KR-0143890-B1 (KR)
Title: 병해충 구제장치 및 이를 이용한 병해충 구제방법
IPC: A01M1/20
Filed: 1991-01-23
Granted: 1998-07-01
Abstract: 살충 살균제가 용해된 액화 탄산개스가 충전된 내압용기와, 내압 용기에 접속된 배관과, 배관에 설치된 복수의 모세관 노즐로 이루어진 병해충 구제장치 및 당해 장치를 사용하는 병해충 구제방법, 모세관 노즐은 각각의 인접한 모세관 노즐에서 내압용기에 가까운 쪽에 위치한 모세관 노즐의 구경 단면적가 다른쪽에 위치한 모세관 노즐의 구경단면적의 비가 1:1.3 내지 1:1.8로 설정된다. 이에 따라 다수의 독립한 폐쇄 공간에 소수의 장치 및 노력으로 단시간에 효율적으로 산포시킬 수 있다.
Patent KR-0162097-B1 (KR)
Inventor: BLASKOVITZ KAREN URSULA
IPC: B65D53/00
Filed: 1991-02-26
Granted: 1998-12-01
Abstract: 지지체에 부착된 밀봉제층의 뚜껑은 밀봉제층이 에틸렌/불포화 에스테르 공중합체와 에틸렌 /불포화산/불포화 에스테르 삼원 공중합체의 블렌드이고, 밀봉제층은 광범위한 여러 가지 용기 물질에 대해 500 내지 2200g/㎠ 의 박리 강도를 제공하며, 박리 강도는 밀봉 온도에서 조작 변화에 실질적으로 둔감성이며 밀봉제층은 용기 물질에 대해 그의 밀봉 박리 강도 보다 높은 응집 강도를 갖는다.
Patent KR-940001978-B1 (KR)
Inventor: TAKANASHI ITSUO
IPC: H04N5/30
Filed: 1991-02-28
Granted: 1994-03-12
Abstract: 내용 없음.
Patent KR-940007321-B1 (KR)
Title: Process for preparation of polyester copolymer
Inventor: KIM KYONG-MIN
IPC: C08G63/78
Filed: 1991-03-23
Granted: 1994-08-13
Abstract: This invention relates to the manufacturing of polyester copolymer of good transparency, impact resistance and heat resistance. The ethylene terephthalate base polyester manufacturing method comprises esterification or ester exchange reaction and polycondensation. In esterification or ester exchange reaction, dimethylterephthalate and dimethyl 2,6-naphthalenedicarboxylate are added in the weight ratio of 94:6-58:42; and in polycondensation, trimelitic acid anhydride 0.2-0.8 wt.% and dimeric acid 9-36 wt.% are added.
Patent KR-940005634-B1 (KR)
Title: Process for the preparation of soles using thermoplastic resin foamer
Inventor: OH PAN-WON
IPC: A43B17/00
Filed: 1991-04-25
Granted: 1994-06-22
Abstract: The sponge sole for shoes is mfd. by (a) mixing a thermoplastic resin (1) i.e. EVA, PE, RB, and PVC in the mixer (2), (b) filling the mixture in the first press mold (4), and heating and pressurizing it to obtain a sponge foam (5), and (c) softening and cool molding the sponge foam in the second press mold (2). The sponge sole is used as an inner, outer or middle sole, and the mfg. method prevents a loss of the raw material.
Patent KR-940004676-B1 (KR)
Inventor: OKADA MIZUO
IPC: G03B21/62
Filed: 1991-05-11
Granted: 1994-05-27
Abstract: 내용 없음.
Patent KR-0185996-B1 (KR)
Title: Sealed butt end joining of two smooth pipes
Inventor: CALMETTES LIONEL
IPC: F16B2/08
Filed: 1991-05-23
Granted: 1999-04-01
Abstract: Leaktight coupling device for two smooth equal-diameter tubes arranged end-to-end, especially for the coupling of two parts of an engine exhaust pipe, such as those of motor vehicles. A one-piece sleeve (1) comprises a longitudinal slot (2) with two radial assembly lips (3), and surrounds the opposing ends of the two tubes on which it is clamped by means of a screw or bolt (7) passing through the radial lips. The sleeve (1) has two frustoconical ends (1b) located either side of a cylindrical middle portion (1a) intended to straddle the point of connection of the two tubes and each lip (3) of the longitudinal slot (2) comprises at least one stiffening part (5) extending between said lip and each of the corresponding frustoconical ends of the sleeve. 
<IMAGE>
Patent KR-950007530-B1 (KR)
Title: Magnetic roller driving apparatus of a developer
Inventor: AHN BYONG-SON
IPC: G03G15/00
Filed: 1991-11-26
Granted: 1995-07-11
Abstract: A first idle gear unit (50) meshes with a second idle gear unit (51) with another pitch, which acts to transfer power to a developing unit (27). The developing unit (27) on one side of the photosensitive drum (28) contains a magnetic roller (27b) for transferring toner to the drum (28). A first acceleration gear wheel (52) with another pitch, meshes with the second idle gear unit (51), in order to drive the magnetic roller (27b), and a second acceleration gear wheel (53) with another pitch, which meshes with the first acceleration gear wheel. It also meshes with a gear wheel (27a) of the magnetic roller.
Patent KR-970004234-B1 (KR)
Inventor: OTA SHIGEO
IPC: B41J2/345
Filed: 1991-12-13
Granted: 1997-03-26
Abstract: 없음.