baber/WOPTO huggingface dataset:
Patent YU-49384-B (YU)
Inventor: BABIC RANKO
Filed: 2001-01-24
Abstract: Monolitni taster sa kontaktnom glavom i kontaktnom čašicom se sastoji od pokretnog gumenog dugmeta sa elastičnim zvonom, petopoložajni kontaktnog stuba i štampanih kontakata, karakterisan time, što se glava (1) dugmeta tastera produžava u nosač (4) kontaktne glave (8) koja prolazi kroz otvor (18) na štampanoj ploči (17), tako da se bočnim pritiskom na glavu (1) donje zvono (2) jednostrano deformiše, čime se nosač (4) nakrivi i kontaktna glava (8) naleže na odgovarajući par bočnih kontakata (10 i 10' ili 11 i 11' ili 12 i 12' ili 13 i 13') na zidu kontaktne čašice (9) dok pritiskom glave (1) dugmeta na dole zvono (2) se elastično deformiše pa kontaktna glava (8) naleže na kontakte (14 i 14') na dnu kontaktne čašice (9) čime je jednoznačno definisano svih pet položaja tastera.
Patent ZA-90533-B (ZA)
Title: A method for the production of glucagon
Inventor: ESHIZAKI JUN
IPC: C07K14/00
Filed: 1990-01-25
Abstract: A novel method for producing glucagon is provided. The method comprises the steps of, preparing a fusion protein shown by the following formula:  X-Glu-Glucagon      (I) wherein X is a leader sequence of 70-170 amino acids, Glu is a glutamic acid residue, and Glucagon represents the amino acid sequence of glucagon, and treating the fusion protein with an enzyme that specifically hydrolyzes the peptide bonds at the carboxyl termini of the glutamic acid residues, resulting in cleavage of the fusion protein.
Patent AT-406821-B (AT)
Title: Apparatus for preparing meals
IPC: A47J37/06
Filed: 1998-08-28
Granted: 2000-09-25
Abstract: Apparatus for preparing meals, such as a grilling or baking device, having a device for warming the air 5 and, if appropriate, a grating, hollow sections 11, 12 through which a coolant can flow being arranged above the device for heating the air 5 and their upper sides having a groove-like design and forming run-off grooves 11 for the juices from the cooked material of the meals, the cavity within the hollow profiles 11, 12 in each case being capable of accepting the flow of coolant from at least one device for forming a coolant flow, utilizing a pressure difference 7, 19 which is produced in the preparation device. <IMAGE>
Patent AT-404456-B (AT)
Title: Cable-drawn transportation device
Inventor: RIEDL NORBERT
IPC: B61B10/04
Filed: 1993-11-19
Granted: 1998-11-25
Abstract: In a cable-drawn transportation device, in particular for conveying people, two lengths of traction cables 2, 3 which run parallel to one another, in particular symmetrically with respect to the centre of the rail means are provided, the cabin 4 which is drawn being alternately coupled to said cables 2, 3 by means of pivotable couplings 5, 6. <IMAGE>
Patent AT-393853-B (AT)
Title: Method of determining the characteristics of a soil and device for carrying out the method
IPC: E21B47/01
Filed: 1987-09-22
Granted: 1991-12-27
Abstract: The "combination driving rod", as is conventional practice in the already known drop-penetration tests, is driven into the soil. In the process, the blows necessary for every 10 cm of driving advance are counted. If the final driving depth has now been reached, the connection head 5 located on the cable is run through the hollow rod into the connection-head mating piece 6. The proper connection is checked via the control switch at the bottom most end of the connection head 5, i.e., if the connection head is sitting correctly in the connection- head mating piece 6, the switch opens the two normally closed contacts 8, which in turn constitutes a virtually infinite electrical resistance. However, if water should have penetrated into the hollow rod due to a defective rod seal, this is checked via the two normally closed contacts 8, which are now open. In this case, the water would noticeably reduce the virtually infinite electrical resistance. After the check on the tightness has been carried out, the driving rod with the driving probe is pressed out of the soil and at the same time the electrical formation resistance of the soil is measured via the measuring electrodes 2 by means of the connected electrical resistance-measuring device. <IMAGE>
Patent DK-159428-B (DK)
Inventor: STEINER GERD
IPC: C07D223/20
Filed: 1982-03-31
Abstract: Novel 5,6-dihydro-11-alkylene-morphanthridin-6-ones of the formula <IMAGE>   where R1, R2, R3 and R4 have the meanings given in the description, their preparation and their use. The novel compounds are particularly useful in the treatment of gastric and duodenal ulcers.
Patent DK-162172-B (DK)
Inventor: BURKHARDT RUDOLF
IPC: C04B28/26
Filed: 1984-08-10
Abstract: A soil injection agent on an alkali metal silicate basis, containing as gelling agent trialkoxysilanes of the formula R-Si(OR')3, in which R is an aliphatic moiety of 1 to 6 carbon atoms and R' represents equal or different alkyl moieties of 1 to 4 carbon atoms, is adjusted for properties by the addition of acid alkali metal phosphates or ammonium phosphates and/or phosphoric acid. The addition improves the sealing and strengthening action of the gels and permits a reduction of the silane content, without impairing the resistance of the gels to pollutants.
Patent DK-146415-B (DK)
Inventor: HAGEN HELMUT
IPC: C07F9/18
Filed: 1979-10-17
Abstract: New thiolphosphoric acid-S-4-nitro-2-trichloromethylphenyl esters of the formula   <IMAGE>   where X denotes oxygen or sulfur, and R1 and R2 are identical or different and each denotes a substituted or unsubstituted aliphatic radical of 1 to 18 carbon atoms or a substituted or unsubstituted alicyclic radical of 5 to 18 carbon atoms, processes for their manufacture, fungicides containing these compounds as active ingredients, their manufacture, and processes for combating fungi with these novel compounds.
Patent DK-165883-B (DK)
Inventor: PAS JONATHAN DE
IPC: E04B1/58
Filed: 1988-09-16
Abstract: In a modular latticework structure consisting of rods (1, 1 min ) and junction plates (2) which can be joined orthogonally to each other, the rods (1, 1 min ) can be attached by means of expanding linking pins (13,13 min ) to tubular coupling hubs (4) provided on the front face of each junction plate (2) at right angles therewith. Moreover, the latticework rods (1, 1 min ) can be attached by means of connecting grippers (22) to an enlarged attachment molding (12) formed along one edge between two orthogonally joined junction plates (2), and which consists of complementary beads (6) in the mating flanges (5) of these plates (2). Thus, from a latticework knot formed by two or more junction plates (2), rods (1, 1 min ) can be branched off either orthogonal to the plates (2) or inclined relative to said plates.
Patent FI-76925-B (FI)
Inventor: SYSKO ROBERT J
IPC: C07D207/28
Filed: 1982-07-07
Granted: 1988-09-30
Abstract: Alkali metal salts of N-(C1-C5)alkyl- or N-(C1-C5)hydroxyalkyl-2-pyrrolidone-4-carboxylic acids and compositions containing them as humectants, particularly in topical cosmetic and pharmaceutical compositions.
Patent FI-67229-B (FI)
Inventor: RAVASKA MATTI ELIAS
IPC: C09F1/02
Filed: 1982-08-17
Granted: 1984-10-31
Abstract: Process for improving the color and the stability of the color of carboxylic acid (advantageously fatty acids and resin acids) or a mixture of the same by treating the carboxylic acid or its mixture with a hydride - yielding substance (e.g. sodium borohydride and lithium aluminium hydride) at an elevated temperature and by distilling the mixture thus obtained.
Patent FI-84076-B (FI)
Inventor: MUELLER BERND WILLI WERNER
IPC: C08B37/16
Filed: 1986-03-14
Granted: 1991-06-28
Abstract: Novel  gamma -cyclodextrin derivatives which are  gamma -cyclodextrin substituted with C1-C6 alkyl, hydroxy C1-C6 alkyl, carboxy C1-C6 alkyl or C1-C6 alkyloxycarbonylC1-C6 alkyl or mixed ethers thereof and their preparation. Compositions comprising such cyclodextrin derivatives and an active ingredient which is preferably a drug and the preparation of such compositions.
Patent FI-95010-B (FI)
Inventor: GLEMET MICHEL
IPC: B29C70/06
Filed: 1988-02-17
Granted: 1995-08-31
Abstract: The present invention relates to a process for producing thermoplastic polymer profiles, reinforced with continuous long fibres, by pultrusion. The process consists, before shaping the rovings impregnated with thermoplastic resin, in compressing the said rovings so as to form a sheet, the elementary fibres of the rovings of which are impregnated with molten thermoplastic resin. The sheet is formed by passing the rovings, after impregnation with thermoplastic resin, into a rectangular heated flat die so as to compress them, thus forcing the molten resin to penetrate between the fibres. The process is applicable to thermoplastic polymers in general, but it also enables a novel profile of polyvinyl chloride reinforced with continuous long fibres to be obtained. 
<IMAGE>
Patent FI-93072-B (FI)
Inventor: ASCHWANDEN FELIX
IPC: G04G15/00
Filed: 1990-04-12
Granted: 1994-10-31
Abstract: Methods of and apparatus for processing television signals wherein the television signals include image-representative information and a plurality of segments of accompanying supplementary information including VPS program identification information and a teletext listing including program title information and program source information encoded during vertical blanking intervals wherein the VPS program identification information is decoded and the teletext listing, certain coded color display information and included program identification information are also decoded, the program identification information from VPS and teletext are compared and thereafter at least program title information is displayed upon identifying matching information.
Patent FI-104380-B (FI)
Inventor: VAN GORCOM ROBERT FRANCISCUS M
IPC: A23K1/165
Filed: 1991-05-24
Granted: 2000-01-14
Abstract: A nucleotide sequence encoding phytase has been isolated and cloned. The coding sequence has been inserted into an expression construct which in turn has been inserted into a vector capable of transforming a microbial expression host. The transformed microbial hosts may be used to economically produce phytase on an industrial scale. The compositions comprising phytase produced via the present invention may be used in a variety of processes requiring the conversion of phytate to inositol and inorganic phosphate.
Patent FI-108423-B (FI)
Inventor: LINDGREN ERIK
IPC: D21H27/10
Filed: 1992-10-23
Granted: 2002-01-31
Abstract: The present invention relates to a packaging material for reduced transfer from a package to its content of substances causing undesirable taste and/or hazardous substances, this reduction being due to the packaging material containing a hydrophobic zeolite. More specifically, the invention concerns paperboard, in which case the substances causing undesirable taste mainly are naturally occurring extractive substances, oxidation products thereof and, to a lesser extent, the paper chemicals present. Further, the presence of a hydrophobic zeolite in the paperboard enhances the water-repellent (hydrophobic) capacity. Also, the present invention concerns a method for production of a packaging material of paper, board or paperboard by forming and dewatering a suspension of lignocellulose-containing fibres, where the dewatering takes place in the presence of a hydrophobic zeolite. Moreover, the present invention relates to the use of a hydrophobic zeolite for production of a packaging material, as well as the use of the thus-produced packaging material in packages for solid or liquid foodstuff, tobacco or medicines.
Patent FI-94852-B (FI)
Inventor: RANTANEN KARI
IPC: B65D19/40
Filed: 1994-01-26
Granted: 1995-07-31
Abstract: The invention relates to a pallet (1) made of recyclable cardboard and its method of manufacture. Beams (2) are formed of tube-like paper-board core pieces (3) arranged in line and of the cardboard (4) surrounding them, the beams being attached to each other crosswise in two layers so that the axes of the core pieces included in the beams are placed perpendicularly to the level of the pallet. In addition to the beams (2), the pallet (1) may include a covering plate (14) of cardboard and an intermediate plate (15) of cardboard between the layers of the beams. The invention is characterized in that, when assembling the beams (2), the paper-board core pieces (3) of essentially a round cross section are compressed in order to flatten them in the cross direction of the resulting beam. The diameter of the core pieces (3) is decreased by 1-20 %, suitably about 10 % in said direction during flattening. The flattening increases the contact surfaces between the core pieces (3) and the surrounding cardboard (4) on which the core pieces and the cardboard are glued to each other.
Patent FI-120492-B (FI)
Inventor: RIECHERS HARTMUT
IPC: A61P11/08
Filed: 1997-04-11
Granted: 2009-11-13
Abstract: Heterocyclyl-substd. propanoic acids and their derivs., of formula (I), are new. R = formyl, tetrazolyl, nitrile, COOH or a gp. that can be hydrolysed to COOH; X = N or CR14; R2 = H, OH, NH2, alkylamino, dialkylamino, halo, alkyl, haloalkyl, alkoxy, haloalkoxy or alkylthio; R14 = H or 1-5 C alkyl; R3 = R2 or alkoxyimino; or CR3 + CR14 = 5 or 6 membered alkylene or alkenyl ring (opt. substd. by 1-2 alkyl) in which a methylene can be replaced by O, S, NH or alkylamino; R4, R5 = phenyl or naphthyl (both opt. substd. by one or more halo, NO2, CN, OH, alkyl, haloalkyl, alkoxy, haloalkyloxy, phenoxy, alkylthio, NH2, alkylamine or dialkylamino) or 3-7 C cycloalkyl; or the phenyl or naphthyl gps. are opt. bonded at the O- position (by a bond, CH2, O, S, SO2, ethylene, ethenylene or opt. alkylated amino); R6 = H, 1-8 C alkyl, 2-6 C alkenyl, 3-6 C alkynyl, 3-8 C cycloalkyl (all opt. substd. by 1 or more halo, NO2, CN, alkoxy 3-6 C alkenyloxy, 3-6 C alkynyloxy, alkylthio, haloalkoxy, alkylcarbonyl, alkoxycarbonyl, 3-8 C alkylcarbonylalkyl, alkylamino, dialkylamino, phenyl, Ph or OPh), Ar or Het; Y = S, O or bond; Q = S, O, SO, SO2 or bond; Ph = substd. phenyl, where substits. are halo, NO2, CN, alkyl, haloalkyl, alkoxy, haloalkoxy or alkylthio; Ar = phenyl or naphthyl (both opt. substd. by 1 or more halo, NO2, CN, OH, NH2, alkylamino, dialkylamino or OCH2CH2O); Het = 5 or 6 membered heteroaromatic with 1-3 N atoms and/or one S or O (opt. substd. by 1-4 halo and/or 1 or 2 alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, phenyl, phenoxy or phenyl carbonyl (where the phenyl is opt. substd. by 1-5 halo and/or 1-3 alkyl, haloalkyl, alkoxy, haloalkoxy and/or alkylthio)); alkyl and alkoxy have 1-4 C unless otherwise stated; provided that R6 is not H when Q = bond.
Patent FI-115581-B (FI)
Inventor: WEAVER LINDSAY A JR
IPC: H04B1/69
Filed: 1998-02-06
Granted: 2005-05-31
Abstract: A method and apparatus for time division duplex (TDD) repeating a spread spectrum signal, where spread spectrum signal is comprised of a series of code symbol modulated with a pseudonoise (PN) sequence. The TDD repeater receives intermittently the spread spectrum signal at a location remote from a source supplying the spread spectrum signal. The TDD repeater amplifies and delays the received spread spectrum signal by a predetermined amount. The TDD repeater transmits intermittently the delayed amplified received spread spectrum signal such that the TDD is not receiving the spread spectrum signal when it is transmitting the signal energy.
Patent HU-200935-B (HU)
Title: Process for producing herb-tea mixtura of refreshing activity
Inventor: SZABO LASZLO
Filed: 1988-03-15
Abstract: Consistent quality of a refreshing, prophylactic and curative herbal tea mixt. is maintained by identification using (thin) layer-chromatography of selected biologically active cpds. or gps. of cpds. during the prepn. of the mixt.. Two such officially classified herbal components are chosen which are regarded to be responsible for the biological activity. These components are combined and checked.
Patent HU-217427-B (HU)
Inventor: WARD TERENCE JAMES
IPC: C07D451/04
Filed: 1990-10-10
Abstract: A találmány tárgyát az 5-HT3-antagőnista hatású, többek közöttneűrőpszichiátriás rendellenességek kezelésére alkalmas új (I)általánős képletű vegyületek racém és őptikailag aktív főrmái,gyógyászati szempőntból megfelelő savaddíciós sóik és szőlvátjaik,ezek előállítása, hatóanyagként ezeket tartalmazó gyó- gyászatikészítmények, valamint a készítmények előállítása képezi. Az (I)általánős képletben R1 jelentése hidrőgén- vagy halőgénatőm, –CF3 vagymetilén-diőxi-csőpőrt; X jelentése –O– vagy –NR2–, vagy –NZ–, ahől R2jelentése 1–6 szénatőmős alkil-, 1–6 szénatőmős alkenil-, 3–6szénatőmős ciklőalkil-, (3–6 szénatőmős ciklőalkil)-(1–4 szénatőmősalkil)-, (1–4 szénatőmős alkőxi)-(1–4 szénatőmős alkil)-, fenil-(1–4szénatőmős alkil)- vagy adőtt esetben halőgénatőmmal helyettesítettfenilcsőpőrt; és Z jelentése az arőmás gyűrű 8-as helyzetébenkapcsőlódó, 2 vagy 3 metiléncsőpőrtból álló, adőtt esetben 1–4szénatőmős alkilcsőpőrttal helyettesített alkiléncsőpőrt; B jelentéseegy (III) képletű vagy (II) általánős képletű csőpőrt vagy N-őxidja,ahől R4 jelentése 1–4 szénatőmős alkilcsőpőrt és m értéke 2, 3 vagy 4. ŕ
Patent HU-190088-B (HU)
Inventor: LAKOS LASZLO
IPC: A01B23/06
Filed: 1983-04-27
Abstract: A javaslat lényege, hogy a tárcsalevél
kis tapadási tényezőjű, kopásálló műanyagból,
főleg nagymolekulasúlyú polietilénből
van kialakítva. Továbbá, a tárcsaél különálló
egységként van kiképezve, amely a tárcsalevélhez
cserélhetően van rögzítve.
Patent HU-188450-B (HU)
Title: Electromechanic measuring transducer pin
Inventor: KOVACS SANDOR
IPC: G01L5/10
Filed: 1983-04-29
Abstract: An electromechanical measuring converter pin, particularly for measuring forces having varying influence lines, the pin has a pair of two opposite cylindrical and flat surfaces (2,3). The points or lines of application of the force and reaction force (4,5) are on the cylindrical surfaces (3). Recesses (7,8) are machined along the full length of both flat surfaces parallel with and extending over the geometric axis (6) of the pin, the walls of the recesses are parallel with each other and, at least two deformation sensors (9,10,11,12) connected to a measuring bridge (13) are arranged on the flat surfaces opposite the respective recesses starting from the given flat surface (2).
Patent HU-191134-B (HU)
Title: Process for preparing heat stable alpha amylase
Inventor: HORWATH ROBERT O
IPC: C12N9/28
Filed: 1984-05-08
Abstract: A process for the preparation of thermostable alpha amylase which comprises cultivating B. licheniformis ATCC No. 39326 in a nutrient medium therefore to produce the enzyme product. - (5pp)
Patent HU-200364-B (HU)
Inventor: BIHARI FERENC
IPC: C11D1/75
Filed: 1986-05-27
Abstract: A találmány olyan folyékony tisztítószerekre vonatkozik, amelyek 10-150 g/1 - előnyösen 20-50 g/1 - mennyiségben alkálifém- hidroxidot és 10-200 g/1 összes mennyiségben, egymáshoz viszonyított (10:1)(1:5), előnyösen (5:1)-(1:3) tömegarányban (I) általános képletú trialkil-amin-oxidot és egy vagy több (Π) általános képletú szarkozinátot és/vagy (ΙΠ) általános képletú szekunder-alkánszulfonátot - mely képletekben R1 és R2 metilcsoportot, R3 10-18 szénatomos alkilcsoportot, R4 5-21 szénatomos alkil-, 15-17 szénatomos alkenil- vagy alkadienil-csoportot R5 és R° 1-16 szénatomos alkilcsoportot, M+ alkálifém- vagy alkil- vagy hidroxi-alkil-csoportokkal helyettesített ammóniumiont jelent - tartalmaznak, adott esetben illatanyag és/vagy színezék és/vagy oxidálószer kíséretében. ft* f R2 — N —O R3 (I) --3 N —c«2- cocT m* txxj RS — CH _ R6 I SOj- M* ’t (0 o o o Cl A leírás terjedelme: 8 oldal, 1 ábra (ni) -1-
Patent HU-200155-B (HU)
Inventor: SZERVES VEGYIPARI FEJLESZTOE K
IPC: C07C43/215
Filed: 1988-05-16
Abstract: A találmány tárgya új eljárás az (I) képletű izohomogenol előállítására a (III, képletű eugenol legalább ekvivalens mennyiségű szervetlen bázis jelenlétében végzett metilezése és a kapott (II, képletű homogenol izomerizélása útján. A találmány szerint a (III) képletű eugenolt 50-150 °C-on CH3-X általános képletű vegyülettel - a képletben X klórvagy brómatomot jelent - metilezik, és a kapott (II, képletű homogenolt egy vagy többértékű 2-10 szénatomos alifás alkohol alkálifém-sójának jelenlétében 100-200 °C-on izomerizálják. CH.0 CHjO Χθλ CH-CH-CH, (1) CHO CH,0   CHrCH=CH, (II) -ZoVcHrCH-CH» (III) CH,O. HO HU 200155 A A leírás terjedeíme: 4 oldal, 1 rajz, 5 ábra -1-
Patent HU-183609-B (HU)
Inventor: GAL GYULA
IPC: B65G65/48
Filed: 1981-10-08
Abstract: A találmány szemcsés anyagok tárolására és adagolására alkalmas berendezésre vonatkozik, amely függőleges tengelyű bunkerből és annak alsó részéhez csatlakozó garatból áll. A garat lefelé szűkülő keresztmetszetű csonkakúp vagy csonkagúla, amelyet egy hajtómű segítségével a saját tengelye körül megforgatunk. A bunker ellipszis keresztmetszetű, így ha annak alsó részét megfelelő síkban csatlakoztatjuk a garat felső síkjához, akkor biztosíthatjuk a körbeforgathatósághoz a körvonal mentén történő csatlakoztatást. A garatnak^ a forgás során egyik alkotója mindig függőleges helyzetű lesz, ezáltal az anyag szabad kifolyásának a feltétele biztosított. A garat forgatási sebességével az anyag kiadagolásának a sebességét szabályozhatjuk.  -1-
Patent HU-213082-B (HU)
Title: Squeegee mechanism
Inventor: ZIMMER JOHANNES
IPC: B05C11/04
Filed: 1988-05-18
Abstract: The doctor device has a profile member pivotally mounted to a retaining member that is carried on a mount. Vertical movement of the mount causes angular displacement of the profile member thereby changing the material applicaton area disposed adjacent and upstream of the doctor. The doctor is either a doctor blade or roll doctor. In the case of a roll doctor, a receptacle is formed in the profile member and the roll doctor is magnetically retained with the receptacle. During application of a material to an application surface with the roll doctor, the roll doctor is magnetically attracted to the application surface by a second magnetic device located beneath the application surface or work surface.
Patent HU-190331-B (HU)
Inventor: DALACSY JANOS
IPC: E04B1/32
Filed: 1984-09-21
Abstract: A találmány íves vagy tört vonalú tartó építményekhez, pl. csarnokszerkezetekhez, oly módon van kialakítva, hogy önsúlyának, valamint szerelési terheinek viselésére alkalmas tetszőleges vezérgörbéjű két előre gyártott félből összeállított, mindkét felén csuklóban végződő és egymással a csuklóknál összekapcsolt felülbordás héjat (1), a héjból fölfelé kiálló bekötő idomokat (2), pl. betonacélokat, a héjjal együttdolgozó betonacélokat (3, 4) és monolit betonréteget (6) tartalmaz. A találmány egyben eljárás íves vagy tört vonalú tartószerkezet építésére, ami azon alapul, hogy két félből álló előre gyártott, csuklóban (7) végződő, bordás héjat (1) alsó csuklóinál egymással szemben lévő fogadó szintre, pl. falra vagy alapra helyezünk, és ott pl. elfordulást megengedő csappal rögzítünk, a két fél héj fölső csuklóit azonos magasságba emeljük, egymással összeillesztjük és pl. csappal összekötjük, a héjból fölfelé kiálló bekötő idomokat (2) nyújtunk ki, a bekötő idomokhoz a helyszínen betonacélokat (3, 4) rögzítünk, majd az így előkészített előre gyártott héjra monolit betonréteget (6) terítünk.  -1-
Patent HU-200713-B (HU)
Title: Method for multiple drawing steel wire
Inventor: GRUDEV ALEKSANDR PETROVICH
IPC: B21C1/00
Filed: 1986-09-03
Abstract: A multiple steel wire drawing system uses several die blocks in tandem, applying a dry lubricant on the basis of fatty acid salts. The working taper angles of the die blocks should be reduced from one block to the next in accordance with the formula (I) where ai+1 is the entry angle to the working zone of the next block; alpha i ditto for hte preceding die block; n is the number of the following die block; ni ditto for a preceding die block; n = 1,2,3...m.