baber/WOPTO huggingface dataset:
Patent DE-112012002409-B4 (DE)
Title: Kraftstoffzuführsystem und Kraftstoffzuführverfahren für eine Brennkraftmaschine
Inventor: KOSUGE HIDEAKI
IPC: F02D19/02
Filed: 2012-05-31
Granted: 2022-12-15
Abstract: Kraftstoffzuführsystem für eine Brennkraftmaschine, das erwärmten und verdampften Kraftstoff zu der Brennkraftmaschine zuführt und das Folgendes aufweist:einen Wärmetauscher (20), der eine Wärmeaustauschwand zwischen einem Durchgang (20a) eines verflüssigten Kraftstoffs und einem Maschinenkühlmitteldurchgang (20b) aufweist, wobeider erwärmte und verdampfte Kraftstoff aus dem Durchgang des verflüssigten Kraftstoffs (20a) des Wärmetauschers (20) ausströmt, undeine erste Strömungsrate von verflüssigtem Kraftstoff, der zu dem Durchgang (20a) des verflüssigten Kraftstoffs des Wärmetauschers zugeführt wird, eingestellt ist, dadurch gekennzeichnet, dasseine zweite Strömungsrate von Maschinenkühlmittel, das zu dem Maschinenkühlmitteldurchgang (20b) des Wärmetauschers (20) zugeführt wird, auf der Basis einer Temperatur des Maschinenkühlmittels bestimmt ist, das zu dem Maschinenkühlmitteldurchgang (20b) des Wärmetauschers (20) zugeführt wird, so dass ein Bläschensieden oder ein Übergangssieden des verflüssigten Kraftstoffs in der ersten eingestellten Strömungsrate nahe einer Grenze zwischen Bläschensieden und Übergangssieden in dem Durchgang (20a) des verflüssigten Kraftstoffs auftritt, wobeidann, wenn eine Strömungsrate von verflüssigtem Kraftstoff, der zu dem Durchgang (20a) des verflüssigten Kraftstoffs des Wärmetauschers (20) zugeführt wird, größer als die erste Strömungsrate ist, eine Strömungsrate von Maschinenkühlmittel, das zu dem Maschinenkühlmitteldurchgang (20b) des Wärmetauschers (20) zugeführt wird, erhöht wird, um höher als die zweite Strömungsrate zu sein, unddann, wenn eine Strömungsrate von verflüssigtem Kraftstoff, der zu dem Durchgang (20a) des verflüssigten Kraftstoffs des Wärmetauschers (20) zugeführt wird, kleiner als die erste Strömungsrate ist, eine Strömungsrate von Maschinenkühlmittel, das zu dem Maschinenkühlmitteldurchgang (20b) des Wärmetauschers (20) zugeführt wird, verringert wird, um niedriger als die zweite Strömungsrate zu sein.
Patent DE-112013002518-B4 (DE)
Title: Halbleiterbauteil und Verfahren zu dessen Herstellung
Inventor: MIURA NARUHISA
IPC: H01L29/78
Filed: 2013-03-12
Granted: 2018-01-11
Abstract: Halbleiterbauteil, das Folgendes aufweist:  ein Halbleitersubstrat (1a);  eine Driftschicht (2) eines ersten Leitfähigkeitstyps, die auf dem Halbleitersubstrat (1a) ausgebildet ist;  eine Wannenzone (20) eines zweiten Leitfähigkeitstyps, die selektiv in einem Oberflächenbereich der Driftschicht (2) ausgebildet ist;  eine Source-Zone (12) des ersten Leitfähigkeitstyps, die in einem Oberflächenbereich in der Wannenzone (20) ausgebildet ist;  eine JFET-Zone (11), die ein Teil der Driftschicht (2) ist und an die Wannenzone (20) angrenzt;  eine Kanalzone, die ein Teil der Wannenzone (20) und zwischen der Source-Zone (12) und der JFET-Zone (11) definiert ist;  eine Gate-Elektrode (35), die über der Driftschicht (2) angeordnet ist, während eine Gate-Isolierschicht (30) zwischen der Driftschicht (2) und der Gate-Elektrode (35) angeordnet ist, wobei sich die Gate-Elektrode (35) über die Source-Zone (12), die Kanalzone und die JFET-Zone (11) erstreckt;  eine Source-Elektrode (41), die an die Source-Zone (12) angeschlossen ist; und  eine Drain-Elektrode (43), die auf einer Rückseite des Halbleitersubstrats (1a) ausgebildet ist, wobei  die Source-Zone (12) umfasst:  eine Source-Kontaktzone (12a), die an die Source-Elektrode (41) angeschlossen ist;  eine Source-Erweiterungszone (12b) angrenzend an die Kanalzone; und ...
Patent DE-112016001958-B4 (DE)
Title: Optoelektronisches Halbleiterbauteil
Inventor: SCHWAMB PHILIPP
IPC: H01L51/44
Filed: 2016-04-28
Granted: 2021-09-16
Abstract: Optoelektronisches Halbleiterbauteil (10) umfassend- ein Substrat (1), das elektrisch leitend ist oder mit einer elektrisch leitenden Schicht versehen ist,- eine erste Isolatorschicht (2) und eine zweite Isolatorschicht (3),- eine organische Halbleiterschichtenfolge (4) mit einem aktiven Bereich (4a), welcher im Betrieb Licht generiert oder empfängt,- eine erste Elektrode (5) und eine zweite Elektrode (6), wobei die erste Elektrode (5) oder die zweite Elektrode (6) mit dem Substrat (1) elektrisch leitend verbunden ist, und- eine Verkapselung (7), welche die organische Halbleiterschichtenfolge (4) und die erste Isolatorschicht (2) vollständig und die zweite Isolatorschicht (3) und die erste Elektrode (5) oder die zweite Elektrode (6) teilweise abdeckt, wobei- die erste Elektrode (5) zwischen der organischen Halbleiterschichtenfolge (4) und der ersten Isolatorschicht (2) angeordnet ist, die zweite Elektrode (6) auf der organischen Halbleiterschichtenfolge (4) angeordnet ist, und wobei die erste Elektrode (5) und/oder die zweite Elektrode (6) zumindest teilweise auf der zweiten Isolatorschicht (3) angeordnet ist, und- bei dem die zweite Isolatorschicht (3) auf einer Oberseite (1a) des Substrats (1) angeordnet ist und die erste Isolatorschicht (2) auf der zweiten Isolatorschicht (3) angeordnet ist, wobei die erste Elektrode (5) oder die zweite Elektrode (6) mittels einer Durchkontaktierung (9) durch die zweite Isolatorschicht (3) mit dem Substrat (1) elektrisch leitend verbunden ist.
Patent CH-678585-B5 (CH)
Inventor: ECKHARDT CLAUDE DR
IPC: D06L4/657
Filed: 1988-01-14
Abstract: Described are aqueous hypochlorite solutions which contain at least one specific optical brightener of the bisbenzofuranyl type, and also their preparation and use for the concurrent bleaching and brightening of (woven) fabrics in the home and in industry. These bleaching solutions are stable for several months.
Patent CZ-286477-B6 (CZ)
Title: Apparatus for fine atomization of liquid particles
Inventor: BOLTON TERENCE WILLIAM
IPC: B05B11/06
Filed: 1996-03-21
Abstract: The invented apparatus for spraying liquid particles comprises a hollow tube-like casing, whose inside diameter is provided with at least one supporting surface. Inside this casing there is located a tube-like source (2) of liquid, whereby the supporting surface that is in close contact with the liquid source (2) outer surface forms the support of this source. The casing further comprises a channel for passage of air flow from a mouthpiece (3) being placed at one end of this casing to a nozzle (9) being situated at opposite end of the casing, in which nozzle (9) the outlet end of the liquid source (2) reaches. This liquid source (2) can be preferably represented by a pen being provided with a tip (14) of liquid absorbing material.
Patent CZ-281947-B6 (CZ)
Title: Process for producing additive fuel
Inventor: BOUSKA PETR
IPC: B01J20/20
Filed: 1993-02-16
Abstract: This invention describes a method of producing additive fuel by mixing burnable liquid, semi-liquid or paste waste with a solid carbonaceous substances in which this waste is mixed with coaly multi-dust at the volume necessary to create a product with a loose consistency and the weight ratio of waste to the coaly multi-dust varies from 1:0.5 to 2.0. This method can be used with high economic and ecological effect for processing burnable liquid or paste waste deposited at various depots, as well as waste from various technological processes, in particular in the production of heating gases and processing crude oil and oil wastes.
Patent CZ-282368-B6 (CZ)
Inventor: PELOSI STANFORD
IPC: C07D405/12
Filed: 1992-08-10
Abstract: Nové 4-oxocyklické močoviny a jejich farmaceuticky přijatelné soli a estery předkládaného vynálezu jsou použitelné jako antiarytmické a antifibrilační prostředky a mají následující obecnou strukturu: (l), kde (a) X je nasycený nebo nenasycený, 5-, 6-, nebo 7-atomový heterocyklus nebo karbocyklus; (b) R je vybrán ze skupiny obsahující kovalentní vazbu, nejsou přítomny, heteroatom, karbonyl, heterocyklický řetězec, karbocyklický řetězec, alkyl, alkenyl, alkoxy, alkylamino, arylalkyl, aryloxy, acyl, acyloxy a acylamino; (c) Y je substituovaný nebo nesubstituovaný, nasycený nebo nenasycený, 5-, 6- nebo 7-atomový heterocyklický nebo karbocyklický řetězec nebo není přítomen, a kde, když R není přítomen X a Y jsou kondenzované kruhové systémy; a když R je kovalentní vazba, X a Y jsou kruhové systémy spojené kovalentní vazbou; a když není přítomen, R je kovalentní vazba a X je vázán k L prostřednictvím R; (d) R.sub.1.n., R.sub.2.n. a R.sub.3.n. jsou nezávisle vybrány ze skupiny obsahující, že ŕ
Patent CZ-286500-B6 (CZ)
Title: Method of determining and establishing line communication between a source and place of destination in transmission network
Inventor: BOER CORNELIS
IPC: H04L12/56
Filed: 1994-09-06
Abstract: In a network (1) with a central control and having a source access point (1s) assigned to a source (S) and a target access point (1d) to place of destination (D), first its first access point is identified with the source access point (1s) and its second access point with the target access point (1d), whereupon mutually different slave networks (11, 12, 13) having each a first access point (11s, 12s, 13s) and a second access point (11d, 12d, 13d) are selected. During this selection a communication line between the slave network access point (11, 12) access point (11d, 12d) and another slave network (12, 13) access point (12s, 13s) is determined, whereby after identification of such communication line there are moreover determined slave communication lines within the individual slave networks (11, 12, 13) , whereupon starting with the selection of the mutually different slave networks (11, 12, 13) the whole cycle is repeated     until the source access point (1s) of the network (1) is interconnected with the target access point (1d).
Patent SK-281356-B6 (SK)
Inventor: CRAMP SUSAN MARY
IPC: A01N43/80
Filed: 1994-02-01
Abstract: Opisujú sa deriváty 4-benzoylizoxazolu všeobecného vzorca (I), kde R je atóm vodíka alebo skupina -CO2R4, R1 je alkyl, halogénalkyl alebo prípadne substituovaný cykloalkyl, R2 je halogén, prípadne halogenovaný alkyl, alkenyl alebo alkinyl, alkyl substituovaný jednou alebo niekoľkými skupinami -OR5, alebo skupina vybraná zo skupiny zahrnujúcej nitroskupinu, kyanoskupinu, -CO2R5, -S(O)pR6, -O(CH2)mOR5, -COR5, -NR61R62, -N(R8)SO2R7, -OR5, -OSO2R7 a -(CR9R1O)t-S(O)qR7, R3 je -S(O)qR7, X je -(CR9R1O)t-, n je nula alebo celé číslo od 1 do 4, R4 je alkyl alebo halogénalkyl, R5 je prípadne halogenovaný alkyl, alkenyl alebo alkinyl, R6, R61 a R62, ktoré môžu byť rovnaké alebo rozdielne a znamenajú alkyl, halogénalkyl alebo prípadne substituovaný fenyl, R7 je prípadne halogenovaný alkyl, alkenyl alebo alkinyl, alebo prípadne substituovaný fenyl alebo benzyl, R8 je vodík alebo prípadne halogenovaný alkyl, alkenyl alebo alkinyl, R9 a R1O, ktoré môžu byť rovnaké alebo rozdielne a znamenajú vodík, alkyl, ha logénalkyl alebo prípadne substituovaný fenyl, p je nula, 1 alebo 2, q je nula, 1 alebo 2, m je 1, 2 alebo 3, t je celé číslo od 1 do 4, alebo ich poľnohospodársky prijateľné soli, a ich použitie ako herbicídov.ŕ
Patent SK-283277-B6 (SK)
Title: Process for producing an animal feed additive based on fermentation broth
Inventor: HOFLER ANDREAS
IPC: A23K1/00
Filed: 1997-05-30
Abstract: Preparation of a fermented sludge for use as an animal feed additive which contains a fermentation product, comprises granulation, compaction and drying of the sludge in a fluidised bed, at the same time as introducing extra mechanical energy above that needed to fluidise the bed particles, in order to achieve the desired additive particle size and bulk weight.
Patent CZ-279309-B6 (CZ)
Title: Process for preparing extremely pure basis of l-lysine
Inventor: BLEHA MIROSLAV ING CSC
IPC: C07C229/26
Filed: 1991-04-25
Abstract: Described is a process for preparing extremely pure basis of L-lysine from L-lysine hydrochloride, whose essence is that added to the aqueous solution of alkalis, particularly sodium hydroxide NaOH, at a concentration of 10 to 50 % by weight, preferably 20 to 30 % by weight, is a stoichiometric quantity of L-lysine hydrochloride at 20 to 80 degrees , preferably 40 to 60 degrees C, after which the gained solution is cooled to room temperature and subjected to electrodialytic desalting performed in multiple discontinuous arrangement with alternate volume of solution in dilute and concentrated branches, whereas the concentration of salt is reduced to below 0.01 % by weight while simultaneously increasing the quantity of the base of L-lysine, then the desalted solution of a base of L-lysine, used either directly or with vacuum thickening to the required concentration, or, after vacuum distillation off of water, crystallisation of the base of  L-lysine from acetone is performed. Another possible procedure is that the aqueous solution of alkalis is cooled while the stoichiometric quantity of L-lysine hydrochloride is added at a temperature lower than 30 degrees C.
Patent CZ-283185-B6 (CZ)
Inventor: PAINTER GEORGE ROBERT III
IPC: A61K31/70
Filed: 1992-03-05
Abstract: Jsou popsány synergické kombinace nukleosidových derivátů, sestávající z a) 1-/2-(hydroxymethyl)-1,3-oxathiazolan-5-yl/-5- -fluorcytosinz nebo jeho fyziologicky funkčního derivátu a b) 3'-azido-3'-deoxythymidinu nebo jeho fyziologicky funkčního derivátu, a farmaceutické prostředky, které obsahují tyto kombinace. Synergické kombinace, zejména obsažené ve farmaceutických prostředcích, jsou vhodné pro ošetřování infekcí způsobených retroviry.ŕ
Patent CS-276274-B6 (CS)
Inventor: NOVOTNY STANISLAV ING
IPC: E21D23/00
Filed: 1989-09-13
Abstract: Jednůtka důlní mechanizované výztuže
podpěrně ohrazujícího typu sestává ze
dvojice dveřeji (1,2) a mezi nimi umístěného
přesouvacího ústrojí (3)Λ které
je s dveřejemi (1,2) spojeno bu3 jedním
hydraulickým válcem (30) v případě
spojených dveřeji (1,2) nebo dvojici
hydraulických válců (33,34) u nespojených
dveřeji (1,2). K základovému
rámu (10, 20) každé z dveřeji (1,2)
je příslušný štít (12, 22) připojen
ětyřkloubovou vazbou (11,21).
Patent CZ-288312-B6 (CZ)
Title: HIV-protease inhibitors and pharmaceutical preparations in which they are comprised
Inventor: HUFF JOEL R
IPC: C07D405/06
Filed: 1994-12-12
Abstract: In the present invention there are disclosed HIV-protease inhibitors of the general formula I, in which the general symbols have specific meaning. These inhibitors can be used for treating AIDS, prevention and therapy of HIV infection and for inhibition of HIV-protease. These compounds are used in the form of pharmaceutical preparations, which are claimed in the present invention, too.
Patent CZ-282864-B6 (CZ)
Title: Apparatus for electroplated coating of small electrically-conducting articles
Inventor: BELZ HANS
IPC: B65G49/04
Filed: 1993-02-10
Abstract: PCT No. PCT/DE93/00122 Sec. 371 Date Mar. 3, 1994 Sec. 102(e) Date Mar. 3, 1994 PCT Filed Feb. 10, 1993 PCT Pub. No. WO93/17155 PCT Pub. Date Sep. 2, 1993.An apparatus for electrolytically coating small parts, e.g. by electrophoretic deposition from a liquid coating agent, has a screw-type conveyor which can have a tube open at opposite ends to form an inlet and outlet for the parts which are advanced through the tube by screw conveyor means like a helical ribbon. The inlet side of the tube is immersed in a basin of the liquid coating agent whose side walls and front wall form weirs determining the level of the liquid coating agent in the tube while the liquid passes from the tube into a catch basin beyond the rear wall through perforations in the tube. The contacts traversing the tube wall are electrically-conductively coupled to the parts and are tied to one terminal of the DC power source whose other terminal is connected to a plate immersed in the dipping basin.
Patent CZ-290834-B6 (CZ)
Title: Polyisocyanates containing allophanate groups based on diphenylmethane diisocyanate with predominantly or completely blocked isocyanate groups
Inventor: SCHMALSTIEG LUTZ DR
IPC: C07C273/18
Filed: 1996-09-17
Abstract: In the present invention there are disclosed polyisocyanates based on diphenylmethane diisocyanate with at least 95 percent of blocked isocyanate groups, process of their preparation and their use as crosslinking agents used  in polyurethane stoving enamels.
Patent CZ-297063-B6 (CZ)
Title: Zpusob rozpoustedlového odparafinování ropné násady obsahující parafin
Inventor: GOULD RONALD MICHAEL
IPC: B01D61/02
Filed: 1997-04-02
Abstract: Zpusob rozpoustedlového odparafinování ropné násady obsahující parafin za vzniku ropného mazacího oleje, pri nemz se ropná násada obsahující parafin redí rozpoustedlem a chladí, aby vykrystalovaly a vysrázely se cástice parafinu za vzniku vícefázovésmesi olej/rozpoustedlo/parafin obsahující filtrovatelné cástice parafinu; vícefázová smes se filtruje pro odstranení filtrovatelných parafinových cástic z chladné smesi olej/rozpoustedlo/parafin a získání chladného koláce parafinu a chladného proudu filtrátu olej/rozpoustedlo; chladný proud filtrátu olej/rozpoustedlo obsahující parafinové cásticese za tlaku vede na selektivní permeabilní membránu pro selektivní separaci chladného filtrátu na chladný rozpoustedlový proud permeátu a chladný na olej bohatý proud retentátu, který obsahuje odparafinovaný olej a zbytkové rozpoustedlo. Pri tomto zpusobu se tok proudu filtrátu k membráne periodicky prerusuje; a na povrch membrány se ve stejném smeru, v jakém se uvádí násada, usmernuje teplý proud regenerovaného rozpoustedla, aby se membrána promyla a zbavila necistot, pricemz teplota teplého proudu regenerovaného rozpoustedla je v rozmezí od 4,5 do 21 .degree.C a prutoková rychlost rozpoustedla je nizsí nez 0,004 kg/min/m.sup.2.n..
Patent CZ-290464-B6 (CZ)
Title: 3-Substituted 3,4-dihydrothieno[2,3-d]pyrimidine derivatives, process of their preparation and use
Inventor: STEINER GERD
IPC: A61K31/495
Filed: 1998-05-29
Abstract: In the present invention there are disclosed 3-substituted 3,4-dihydrothieno[2,3-d]pyrimidine derivatives of the general formula I, in which Re1 and Re2 represent a hydrogen atom or an alkyl group containing 1 to 4 carbon atoms, Re3 represents a phenyl, pyridyl, pyrimidinyl or pyrazinyl group, which can be optionally mono- or disubstituted with a halogen atom or with the following groups; alkyl containing 1 to 4 carbon atoms, trifluoromethyl, trifluoromethoxy, hydroxy, alkoxy containing 1 to 4 carbon atoms, amino, monomethylamino, dimethylamino, cyano or nitro and which can be condensed with a benzene nucleus that can be optionally mono- or disubstituted with a halogen atom or with the following groups; alkyl containing 1 to 4 carbon atoms, hydroxy, trifluoromethyl, alkoxy containing 1 to 4 carbon atoms, amino, cyano or nitro and which can optionally contain 1 nitrogen atom, or with 5- or 6-membered ring that can contain 1 to 2 oxygen atoms, A represents NH or an oxygen atom, Y represents CHi2, CHi2-CHi2, CHi2-CHi2-CHi2 or CHi2-CH, Z represents a nitrogen atom, a carbon atom or CH, whereby the bond between Y and Z can be also a double bond and n is 2, 3 or 4, and their physiologically acceptable salts. The invented derivatives are intended for treating depressions and related disorders with activity as selective antagonist 5-HTi1B and 5-HTi1A.
Patent SK-285420-B6 (SK)
Title: Variant of bile salt-stimulated lipase, DNA molecules encoding them, and transgenic non-human mammals
Inventor: BLACKBERG LARS
IPC: A01K67/00
Filed: 1994-02-25
Abstract: The present invention relates to polypeptides which are variants of Bile Salt-Stimulated Lipase (BSSL; EC 3.1.1.1), DNA molecules encoding the said polypeptides, processes for producing the said BSSL variants and producing transgenic non-human mammals capable of expressing the BSSL variants. Furthermore the invention relates to such transgenic non-human mammals as well as to infant formulas comprising milk from such transgenic animals, pharmaceutical compositions comprising the said polypeptides, and the use of the said polypeptides and DNA molecules for the manufacture of medicaments.
Patent SK-283848-B6 (SK)
Title: Acrylonitrile compounds, process for their production and pesticides containing them
Inventor: KOYANAGI TORU
IPC: A01N43/08
Filed: 1998-02-13
Abstract: Novel compounds useful as active ingredients of pesticides are disclosed. Acrylonitrile compounds of formula (I) or their salts, wherein Q is Qa, Qb, Qc or Qd, Y is =C(R4)- or =N-, R1 is alkyl, haloalkyl, etc., each of R2 and R3 is halogen, alkyl which may be substituted, alkenyl which may be substituted, etc., R4 is hydrogen, halogen, alkyl or haloalkyl, l is from 1 to 4, m is from 0 to 5, n is from 0 to 3, q is from 0 to 4, when 1 is 2 or more, a plurality of R2 may be the same or different, when each of m, n and q is 2 or more, a plurality of R3 may be the same or different.
Patent SK-282969-B6 (SK)
Title: Crystal modification of (4-cyclopropyl-6-methyl-pyrimidin-2- yl)phenyl-amine, process for its preparation and its use as fungicide
Inventor: BAETTIG WILLY
IPC: A61K31/505
Filed: 1994-11-07
Abstract: (4-Cyclopropyl-6-methylpyrimidin-2-yl)phenylamine in its crystal modification B and high eutectic purity (at least 98 %) with a melting point of between 73°C and 75°C does not have a tendency to crystallise as a fungicidal active compound in crop protection products, which is in contrast to the known modification A. Such compositions are highly storage-stable and retain their original good suspensibility and dispersibility.
Patent SK-284648-B6 (SK)
Title: Firearm
Inventor: RUGER WILLIAM B
IPC: F41C23/00
Filed: 1997-02-10
Abstract: A firearm frame (7) constructed of plastic material having slide rail guidance members (18, 19) in the forward, central and rear portions of the frame. The frame is useful with a barrel unit (16) which is shifted back and down by slide (8) reciprocation and by a cam block (30) which with barrel (6) movement being arrested by the walls of a frame cavity. Forces and energy created in arresting such back and down movement of the barrel and block is transferred to the frame by the block hitting the frame cavity. A slide stop pin passing through openings in the frame and cam block also assist in transferring energy to the frame. Forces causing the slide to move upward during the arresting of barrel and block is prevented by the rail guidance members. The trigger (11f) rotates about a trigger trunnion (11t) located in such frame cavity below the cam block.
Patent SK-284266-B6 (SK)
Title: Anticonvulsant derivatives used in treating psoriasis
Inventor: SHANK RICHARD P
IPC: A61K31/35
Filed: 1997-06-24
Abstract: Anticonvulsant derivatives useful in treating psoriasis are disclosed.
Patent SK-280704-B6 (SK)
Title: A hardenable copper alloy
Inventor: GRAVEMANN HORST
IPC: B22D11/06
Filed: 1992-12-16
Abstract: For the fabrication of casting rollers, casting roller shells and casting wheels, which, in casting close to the final dimensions, must be insensitive to a cyclically alternating temperature stress, materials of high thermal conductivity and high fatigue strength at the working temperature of the casting moulds are required with hardness in accordance with Brinell at least 200 HB and with electric conductivity higher than 38 Sm/mm2. According to the invention, a hardenable copper alloy, which contains 1.2 to 2.6 % of nickel, 0.1 to 0. 45 % of beryllium and, if appropriate, also 0.05 to 0.25 % of zirconium, is proposed for this application. Preferably, the ratio of the nickel/berylium contents is at least 5 : 1 and the nickel content above 1.2%.