baber/WOPTO huggingface dataset:
Patent CZ-68090-A3 (CZ)
Title: 1.2-ethanediol derivatives, their salts as well as process for preparing thereof
Inventor: ONO SATOSHI
IPC: A61K31/075
Filed: 1990-02-13
Abstract: 1,2-Ethanediol ether derivs. of formula (I) and their salts are new. R1 = phenyl, naphthyl, indanyl, indenyl, tetrahydronaphthyl or heterocyclyl, all opt. substd. by A1; R2 = H, alkyl or a protecting gp.; R3 = H or alkyl; R4 and R5 = H or alkyl; R6 = ammonio; NA2A3+ OR A4 -substd. heterocyclyl, e.g. pyrrolyl, tetrahydroquinolinyl; n = 0-6; A1 = halogen, protected amino, opt. protected Oh, NO2, oxo, alkylenedioxy, NA2N3, or A4 -substd. alkoxy, aralkoxy, aryloxy, carbamoyloxy, alkylthio, alkenyl, alkenyloxy, aralkyl(thio), aralkylsulphonyl, alkyl(sulphonylamino), aryl(sulphonylamino) or heterocyclyl; A2 and A3 = H, opt. protected OH, alkyl, opt. protected carboxyalkyl, etc. A4 = one or more of H, halogen, opt. protected OH, opt. protected amino, etc., with the exception of those cpds. where R1 = phenyl opt. susbtd. by halogen, alkyl, alkylenedioxy, alkoxy or opt. protected OH and R6 = NR7R8; or R1 = phenyl or alkylphenyl and R6 = dialkylamino, pyrrolidino, piperidino or morpholino; R7 = aralkyl or Het1; R8 = H or alkyl; or NR7R8 = piperazinyl, (hydroxy)piperidino, etc., deriv.
Patent CZ-27096-A3 (CZ)
Inventor: KRIZOVA PAVLA MUDR CSC
IPC: C12N15/13
Filed: 1996-01-30
Abstract: Monoklonální protilátka (MAb) proti serotypově
specifickému epitopu proteinu zevní
membrány buněčné (OMP) třídy 2 Neisseria
meningitidis, způsob výběru kmene Neisseria
meningitidis (N.m.) k přípravě hybridomu a
monoklonální protilátky, buňka hybridomu,
způsob přípravy hybridomu, způsob přípravy
monoklonální protilátky, způsob ověření kvality
monoklonální protilátky, kandidát nového
serotypu Neisseria meningitidis prozatím nazvaný
22, diagnostický prostředek, použití
prostředku.
Patent CZ-42998-A3 (CZ)
Title: Paved area with rein water outlet
Inventor: METTEN HANS-JOSEF
IPC: E01C11/22
Filed: 1998-02-12
Abstract: The road surface, composed of concrete setts, has free spaces (2) between the sets from the upper surface to the lower side of the roadway. The space is filled with a bonding agent to hold the setts together. The filling is preferably chippings of natural rock, gravel, recycled concrete material and the like. The bonding agent is preferably a synthetic resin with a setting agent, or a setting adhesive such as bitumen, water-glass or the like.
Patent CZ-46294-A3 (CZ)
Title: Connecting system
Inventor: ATTERMEIER KURT
IPC: A61J1/05
Filed: 1993-06-25
Abstract: A coupling system (10) for transferring fluids from a medicament-containing cartridge to an injection site comprises a fluid flow channel, a blunt cannula (16), defining the distal end of the fluid flow channel (14), a needle cannula (18) defining the proximal end of the fluid flow channel (12), and means for fixedly connecting the needle cannula (18) to the blunt cannula (16).
Patent SK-12994-A3 (SK)
Title: Way of modulation of inflammation and the immunity function mediate by means of t-cells
Inventor: DE WAAL MALEFYT R
IPC: A61P31/04
Filed: 1992-08-06
Abstract: Interleukin-10 or its analog, agonist or antagonist are use for production of pharmaceutical preparation for treating inflammation or immunity function caused by T-cells, which are followed by abnormal level of necrotic tumour factor alpha. Administered interleukin-10 or its analog according to the invention modifies the levels of interleukin-10 and interleukin-6, where the abnormal level is increased and followed by microbial infection, fever, hypotenuses, fibre necrosis, metabolic acidosis or organs dysfunction.
Patent SK-15798-A3 (SK)
Title: Novel imidazoline-2,4-diones with an ortho-substituted ar(alk)yl radical in position 1, having an anti-convulsive effect, and process for their production
Inventor: LANKAU HANS-JOACHIM
IPC: A61P21/00
Filed: 1996-07-26
Abstract: Phenyl or benzyl imdazolone derivs of formula (I) are new. X = 1-4C alkyl, CF3 or halo; Y = H or halo; n = 0 or 1; m = 0-4.
Patent SK-42294-A3 (SK)
Inventor: BARTALOS AUREL
IPC: B60S1/52
Filed: 1994-04-13
Abstract: Prívod čistiaceho média sa pripája k hrdlu (2). Cez otvor
v čape (1), pružnú hadičku (4), rúrku (6)je čistiace
médium vedené do dýzy (10), cez ktorú je potom rozstrekované
na sklo pred stieraciu lištu. Dýza (10) je
konštruovaná tak, aby prúd čistiaceho média dopadal na
sklo v celej šírke záberu stieracej lišty. Čap (1) slúži na
otočné uloženie remienka a na pripojenie páky pohonu
stierača. Rameno sa ku sklu pritláča pružinou (5).
Ohybná časť prívodnej rúrky (6) je tvorená pružnou
hadičkou (4), ktorá umožňuje vyklopenie remienka.
Stieracia lišta sa pripevňuje na tŕň (7).
Patent SK-42397-A3 (SK)
Title: 2,3-benzodiazepine derivatives
Inventor: LING ISTVAN
IPC: C07D243/02
Filed: 1997-04-02
Abstract: 2,3-benzodiazipine derivatives of general formula (I), wherein R1 and R2 are independently hydrogen, halogen, C1-4 alkyl, C1-4 alkoxy, nitro, trifluoromethyl, or NR8R9, wherein R8 and R9 are independently hydrogen, C1-6 alkyl, or -COR10, wherein R10 is hydrogen alkyl, substituted by at least one C1-4 alkoxy and/ or at least one halogen group, C6-10 aryl, C1-4 alkoxyl, C3-5 cycloalkyl, C2-6 alkenyl, C3-5 cycloalkoxyl or a group of formula -NR11R12, wherein R11 and R12 are independently hydrogen, C1-4 alkyl, C3-5 cycloalkyl or C6-10 aryl, R3 represents C1-4 alkyl, C3-5 cycloalkyl or a group of formula -CO-R13, wherein R13 is same as defined R10; R4 and R5 are independently hydrogen or C1-3 alkyl; R6 and R7 are independently hydrogen, chlorine or bromine under the condition that till one of R6 and R7 is hydrogen, second substituent is other than hydrogen, their isomers and acid additive salts; pharmaceutical compositions, containing said derivatives and their use; production method of derivatives of general formula (I) and initial compounds of formula (II), wherein R1, R2, R3, R4, R5, R6 and R7 are of the said meaning.
Patent SK-55895-A3 (SK)
Title: Cyclopeptid,method of its preparation, its use and pharmaceutical agent containing it
Inventor: JONCZYK ALFRED
IPC: C07K5/10
Filed: 1995-04-28
Abstract: New cyclic peptide(s) that inhibit integrin receptor interaction CyclopeptidesCompound of general formula (I) Cyclo-(Arg-Gly-Asp-R1), wherein R is o-aminomethyl-o'-carboxylbiphenyl (Biph), 2-aminomethyl-5-carboxymethylthiophene (Act) or 2-carboxy-8-amino-4-thiapiperolidin-9-one (Btd); and their physiologically suitable salts in the form of enantiomer or diastereomer, which is an inhibitor of integrin and is usable for prevention and treatment of diseases of circulation, bones, tumours, as antiviral and antimicrobial preparation. Disclosed is also method for production fo the said compositions, their use as the medicament and for preparation of the immobolised ligands for purificn. of intergrins by affinity chromatography.
Patent SK-67194-A3 (SK)
Title: A tarpaulin provided with a decoration of a reflecting material and a method of making it
Inventor: OPPENHEJM ULRICH
IPC: B44F1/02
Filed: 1992-12-04
Abstract: A tarpaulin comprising a fabric coated with a plastics material, preferably PVC, polyamide or polyprene, is provided with a decoration of a reflecting material by anchoring a reflecting sheet to a piece of tarpaulin cloth, whose plastics coating is of the same type as or is compatible with that of the tarpaulin, by high frequency welding or heat application, and then applying the piece of tarpaulin cloth provided with reflecting sheet, optionally formed in the desired shape, to the tarpaulin by hot air fusion. The reflecting sheet is preferably a retroreflecting PVC sheet of the naked prism type which is anchored to the piece of tarpaulin cloth by high frequency welding. Other types of reflective sheet may be applied to the piece of tarpaulin or directly to the tarpaulin by means of an adhesive and anchored thereto by placing a transparent flexible polymeric film on top of the reflecting sheet with its edges extending beyond those of the sheet and high frequency welding it to the piece of tarpaulin or the tarpaulin itself along the edges.
Patent SK-69198-A3 (SK)
Title: Improved metal-ligand complex catalyzed processes
Inventor: BRYANT DAVID R
IPC: F04D29/28
Filed: 1996-12-05
Abstract: This invention relates to a process which comprises reacting one or more reactants in the presence of a metal-organophosphite ligand complex catalyst and dissolved water and optionally free organophosphite ligand to produce a reaction product fluid comprising one or more products, wherein said process is conducted in the presence of carbon dioxide in an amount sufficient not to effect substantial degradation of any said organophosphite ligand and/or substantial deactivation of said metal-organophosphite ligand complex catalyst.
Patent SK-96795-A3 (SK)
Title: Universal attachment device
Inventor: KUCHAROVIC JOZEF
IPC: B24B23/02
Filed: 1995-07-31
Abstract: Universal auxiliary equipment, particularly to the hand elec tric angular grinder, made of the holder of the aggregate, thrust frame, adjusting mechanism, supporting frame, system of the cove rs and leading frame, near which the holder (10) of the aggregate is rotary connected with the thrust frame (20) and adjusting mec hanism (30) swingly placed on the bearing frame (40). On the hold er (10) of the aggregate there is fixed a stationary protective c over (50) corresponding with the rotary protective cover (60) and on the supporting frame (40) there is fixed the leading frame (7 0).
Patent CZ-162089-A3 (CZ)
Inventor: NEMECEK MILAN ING
IPC: C08J7/14
Filed: 1989-03-16
Abstract: Zvýšení smáčivosti materiálů z polypropylénu se dosáhne
expozicí po dobu 120 s až 36 h v dýmavé kyselině sírové o
koncentraci SO31 až 60 % hmotnostních.
Patent CZ-166892-A3 (CZ)
Title: Infusion dosing device
Inventor: SKALA MIROSLAV ING
IPC: G01F11/32
Filed: 1992-06-03
Abstract: This device is equipped with at least two independent rotary pumping systems (1,2), which are connected to the common central control unit (3). At least one of the rotary pumping systems (1,2) has a rotor mechanically coupled to an additional linear batching mechanism fixed by dismountable links on the box of the batcher. The linear batching mechanism consists of a rotary carrier, a coupled gear with a drawbar (63), firmly connected to a pressure bar (69) and mounted in a linear guide on the base equipped with the clamp of the batching storage tank, e.g. an injection jet and the base is equipped with a dismountable joint for the box of the batcher.<IMAGE>
Patent CS-249191-A3 (CS)
Title: 1-(pyridinylalkyl)-1h-indoles, indolines and related analogs, process of their preparation and pharmaceuticals comprising them
Inventor: EFFLAND RICHARD CHARLES
IPC: A61K31/4427
Filed: 1991-08-12
Abstract: This invention relates to compounds of the formula <CHEM>  wherein   R1   is hydrogen, loweralkyl, arylloweralkyl, loweralkenyl or loweralkynyl; R2   is hydrogen, lowralkyl, loweralkenyl, formyl or cyano; X   is hydrogen, halogen, nitro, amino, loweralkyl, loweralkoxy or hydroxy; Y   is hydrogen, loweralkyl, loweralkoxy, arylloweralkoxy, hydroxy, halogen, nitro or amino; the pharmaceutically acceptable acid addition salts thereof, and, where applicable, the geometric and optical isomers and racemic mixtures thereof. The compounds of the invention are useful for the treatment of various memory dysfunctions characterized by a decreased cholinergic function, such as Alzheimer's disease.
Patent CZ-391291-A3 (CZ)
Title: Defined 2,3-dihydro-indole-1-carboxamido-n-(8-azabicyclo (3.2.1) -octan-3-yl) derivatives, exhibiting 5-ht-antagonists activity
Inventor: KING FRANCIS D
IPC: A61P9/06
Filed: 1991-12-19
Abstract: Compounds of formula (I) and pharmaceutically acceptable salts thereof;   <IMAGE> (I)  wherein L is NH or O; X and Y are independently selected from hydrogen or C1-4 alkyl, or together are a bond; R1 and R2 are independently selected from hydrogen, C1-6 alkyl, C2-6 alkenyl-C1-4 alkyl, or together are C2-4 polymethylene; R3 and R4 are independently selected from hydrogen, halogen, CF3, C1-6 alkyl, C1-6 alkoxy, C1-6 alkylthio, C1-7 acyl, C1-7 acylamino, C1-6 alkylsulphonylamino, N-(C1-6 alkylsulphonyl)-N-C1-4 alkylamino, C1-6 alkylsulphinyl), hydroxy, nitro or amino, aminocarbonyl, aminosulphonyl, aminosulphonylamino or N-(aminosulphonyl)-C1-4 alkylamino optionally N-substituted by one or two groups selected from C1-6 alkyl, C3-8 cycloalkyl, C3-8 cycloalkyl C1-4 alkyl, phenyl or phenyl C1-4 alkyl groups or optionally N-disubstituted by C4-5 polymethylene; Z is a group of formula (a), (b) or (c)    <IMAGE> (a) <IMAGE> (b)  <IMAGE> (c)  wherein n is 2 or 3; p is 1 or 2; q is 1 to 3; r is 1 to 3; and R5 or R6 is C1-7 alkyl, C3-8 cycloalkyl, C3-8 cycloalkyl-C1-2 alkyl or C2-7 alkenyl-C1-4 alkyl; having 5-HT M-receptor antagonist activity.
Patent CZ-100497-A3 (CZ)
Title: Electrohydraulic apparatus
Inventor: LANGHANS JIRI ING
IPC: F15B15/18
Filed: 1997-04-03
Abstract: The proposed electrohydraulic apparatus consists of a compact body containing an electric motor (17) a pump and a hydraulic cylinder with hydraulic liquid (20), formed by a through external cylindrical jacket (1) with cooling ribs (2), a first superstructure (3) for connecting to a feeding network, a second superstructure (4) and a third superstructure (5) for the control, and an internal cylinder (6) being concentrically placed in the cylindrical jacket (1) at one end thereof. Inside the cylinder, (6) there is disposed a tightly and movably mounted piston (7) with a piston rod (8). The cylindrical jacket (1)is tightly closed from both sides by an upper lid (9) and a bottom lid (10). On the side, where the piston rod (8) projects from the body the upper lid (9) is provided with a guide hole (11) and a packing (12), while at the cylindrical jacket (1) opposite end the bottom lid (10) is provided from outside with an arrangement for outer attachment (13) of the apparatus body, whereby the axis of the attachment holes is perpendicular to the axis of the piston rod (8) and at the same time it is perpendicular to or parallel with an axis formed by sides provided with the cooling ribs (2). From inner side the bottom lid (10) is provided with a first reinforcement (14) for mounting a first bearing (15) of one end of the electric motor (17) and around the first reinforcement (14) there is arranged on the bottom lid (10) a hollow cylindrical body (18) with through-flow holes. In said hollow cylindrical body (18) there is fixedly fastened said electric motor (17) stator (36). At the electric motor (17) rotor (16) other end, there is arranged a rotor (19) of the hydraulic liquid (20) pump, which hydraulic liquid (20) is contained in the apparatus cavities. The pump rotor (19) is disposed at the same time in the pump body (21) that contains mounting of a second bearing (22) of the electric motor (17) rotor (16), and at the same time the pump body (21) outer edge (23) is seated in the internal cylinder (6).
Patent CZ-107193-A3 (CZ)
Title: Washable liquid filter
Inventor: BARTELT BERTRAM
IPC: B01D29/68
Filed: 1993-06-03
Abstract: A backwashable liquid filter is provided. This has a filter element 17 mounted so as to be rotatable about its axis and through which the flow passes radially. In addition, a backwash device 18 is provided which has a dirt discharge channel 27 which runs in parallel to the axis of the filter element 17. The filter element 17 can be rotated within the filter housing 14 by a drive apparatus 23. When the filter element 17 is backwashed, purified liquid flows through the filter insert into the dirt discharge channel 28, removes the dirt particles adhering to the filter element and feeds these to the dirt discharge channel 27. For preliminary cleaning of the filter element 17, a spring-mounted scraper is provided upstream of the backwash device 28. This removes the coarse dirt situated on the surface of the filter element. <IMAGE>
Patent CZ-165297-A3 (CZ)
Title: Process for producing articles from glass fibers
Inventor: JENSEN CARSTEN
IPC: C03B37/05
Filed: 1995-12-01
Abstract: PCT No. PCT/EP95/04746 Sec. 371 Date May 30, 1997 Sec. 102(e) Date May 30, 1997 PCT Filed Dec. 1, 1995 PCT Pub. No. WO96/16912 PCT Pub. Date Jun. 6, 1996Man made vitreous fibers are made using a cascade of rotors (4, 5, 6, 7) from melt poured onto the top rotor (4) wherein the melt has a low viscosity (not more than 18 poise) at 1400 DEG  C. and has a viscosity of not more than 10 poise on the top rotor (4), the top rotor has an acceleration field of at least 30 km/sec2, and the second rotor (5) is arranged with its center on a line with the center of rotor (4) which makes an angle C of 0-20 DEG  and has an acceleration field of 50 to 150% of the field of the rotor (4), and the subsequent rotors (6, 7) have an acceleration field of 120 to 250% of the acceleration field of the rotor (4).
Patent CZ-180993-A3 (CZ)
Inventor: ZATLOUKAL MAREK RNDR
IPC: C07C211/27
Filed: 1993-09-02
Abstract: Je popsán způsob výroby hydrochloridu l-fenyl-l-chlor-2-
(N-methlyamino)propanu strukturního vzorce I chlorací
hydrochlorid l-fenyl-l-hydroxy-2-(N-methylamino)propanu
strukturního vzorce II, u kterého se chlorace provádí thionylchloridem
v množství 2,0 až 3,0 ekvivalentu
sloučeniny vzorce II v inertním organickém rozpouštědle,
vybraném ze skupiny esterů kyseliny octové s nižšími alifatickými
alkoholy, jako je methanol, ethanol, propanol a butanol
při teplotě reakční směsi v rozmezí +20 0 C až + 50 0 C.
Reakce se může dále provést za případné katalýzy N,N-dimethylformamidem.o
Patent CZ-201778-A3 (CZ)
Inventor: DRŠTIČKA MARTIN
IPC: B64C29/02
Filed: 2017-02-09
Abstract: Překlopný letoun má trup (4) a dvojici křídel (5), z nichž každé má náběžnou hranu (50) a odtokovou hranu (55), přičemž každé z dvojice křídel (5) je na straně odtokové hrany (55) opatřené vrtulovou pohonnou jednotkou a soustavou řídících plošek (21, 22, 23), která obsahuje výkyvně upevněné alespoň dvě řídící plošky (21, 22, 23) pro řízení směru odtoku vzduchu od vrtulové pohonné jednotky. Soustava řídících plošek (21, 22, 23) je propojená s ovládacím ústrojím (20) pro řízení výkyvu alespoň jedné z řídících plošek (21, 22, 23).
Patent CZ-214296-A3 (CZ)
Title: Apparatus for reducing voltage and asynchronous traction system fed by single phase source comprising such apparatus
Inventor: DEBRUYNE MARC ING
IPC: H02M3/28
Filed: 1996-07-18
Abstract: The convertor employs pairs of single-phase rectifiers (1,6) with forced switching which are fed from secondary windings (3,5) of a main traction transformer (T). Energy from a DC network passing through the transformer is recovered from one secondary winding (5) by the rectifier (6) working in voltage-boosting mode. The other rectifiers function synchronously as voltage invertors with the primary winding (7) of the transformer open-circuited. The output DC voltage (S) is maintained at a value slightly greater than half of the input voltage (E).
Patent CZ-224797-A3 (CZ)
Title: Tricyclic diazepine derivatives, process of their preparation and pharmaceutical composition containing thereof
Inventor: VENKATESAN ARANAPAKAM MUDUMBAI
IPC: A61K31/495
Filed: 1996-01-16
Abstract: Tricyclic diazepines of Formula (I) wherein A, B, D, E, F, Y, and Z are defined in the specification which compounds have vasopressin and oxytocin antagonist activity.
Patent CZ-234794-A3 (CZ)
Title: Filter with a packed bed
Inventor: WEICHS HERMANN
IPC: B01D46/36
Filed: 1993-03-15
Abstract: The invention concerns a packed-bed filter for, in particular, flue gases, the filter having a support grid (2) located inside a housing (1) and a renewable packed bed (3) on the support grid (2). The bed (3) is of a pre-determined thickness and is made of granular material which binds pollutants. The bed lies between a purified-gas space (4) above it and a crude-gas space (5) below it. The filter also has a feed device (6), a conveyor (7) and a distribution device (8) which runs parallel to the support grid (2) on the upper side of the packed bed. The invention calls for at least one perforated floor (10) to be located in the housing (1) between the distribution device (8) and the upper side (9) of the packed bed (3).
Patent CZ-235699-A3 (CZ)
Inventor: REINHARD ANDREAS
IPC: B61B7/00
Filed: 1998-02-12
Abstract: Závěsná lanová dráhajeurčenapodopravu cestujících anákladu
mezi pozemní stanicí /7/ a aerostatickýmvztlakovýmtělesem.
Upoutaný balón /1/ nese gondolu12J, ke které vedou tři lana, ato
dvě transportní lana/3,4/ aupoutávací kotevní lano /5/. Dvě
transportní lana/3,4/ nesou kabiny/10,11/ pro přepravu
cestujících akončí v pozemní stanoci /7/, kteráje otočná po
kruhové kolejnici /9/ kolemsvislé osy /8/. Transportní lana /3,4/
jsoujak v gondole /2/, tak i pozemní stanici /7/, navíjenana bubny
/17,18/ aodvíjena z těchto bubnů /17,18/. Pozemní stanice /7/se
může aktivně pohybovat v souladu s převažujícímsměremvětru
a/nebo v závislosti na poloze upoutaného balónu /1/, přičemžje
pozemní stanice /7/ vályumístěna nanávětmé straně, zatínxo
lana /3,4,5/ vžity vycházejí z upoutaného balónu /1/ na závětmé
straně. Zpoutávací kotevní lano /5/, připevněné ke gondole /2/ ve
vhodnímmístě,je navíjeno a odvíjeno z bubnu /19/ vpozemní
stanici /7/ aje opatřeno majáčky nebo návěstmi /13/. Tímto
způsobem může být upoutanýbalón/1/ vypuštěn nabo stažen do
jakékoliv požadované výšky, přičemž nepoužité části
transportních lan /3,4/ zůstávají navinuty na lanových bubnech
/17,18/ v pozemní stanici /7/. Kabiny/10,11/jsou spojeny v
režimu kyvadlového provozu nebo se pohybují samostatně,
přičemžjsou poháněny prostřednictvímmotorů, uspořádaných v
gondole/2/.
Patent CZ-237996-A3 (CZ)
Title: Process for preparing vinyl chloride
Inventor: SCHWARZMAIER PETER
IPC: C07C21/06
Filed: 1995-02-06
Abstract: The conversion in the production of vinyl chloride by the thermal cracking of 1,2 -dichloroethane is determined by measuring the absorption of energy-rich radiation, the pressure and the temperature of the gases discharged from the cracking furnace.
Patent CZ-305495-A3 (CZ)
Title: Container for a brush
Inventor: THODE JURGEN
IPC: B65D5/50
Filed: 1995-04-07
Abstract: The invention pertains to a casing (3) with a brush (4) for a floor-cleaning device (1), such as a motor-driven carpet-brush, where the brush (4) has a radial clear space or a radial projection (14). To provide an optimal way to replace a brush, the invention proposes that the casing (3) have a tubular containment space (10) for the brush (4), that in the containment space (10) there is a radially inwardly projecting locking means (8) to engage in the clear space or cooperate with the projection (14), that the locking means (8) can be overrun only in one direction and that the containment space (10) is open or can be opened at its two ends (11, 12).
Patent CZ-329494-A3 (CZ)
Title: Ignition plug
Inventor: BEDNAR JAN ING
IPC: H01T13/22
Filed: 1994-12-23
Abstract: A spark plug comprising a solid, electrically and thermally conductive housing (1) with a connecting means and in the inner cavity whereof a gasproof ceramic insulator (2), with a central electrode (9), is placed, and the protruding tip thereof, has at least one ring-shaped auxiliary electrode (4, 5) provided on the extended portion of the ceramic insulator forming a spark gap with the one end of the housing (1) and with the central electrode (9). The peripheral edges of the auxiliary ring-shaped electrode (4, 5) are thickened. There are at least two auxiliary ring-shaped electrodes (4, 5) and their inner or outer collars (12) project in the same direction. The auxiliary ring-shaped electrodes (4, 5) are made of titanium nitride (TiN) formed of layers shaped into the surface of a truncated cone having thicker upper and lower peripheral edges conforming to the narrowing tip of the cylindrical ceramic insulator (2).