baber/WOPTO huggingface dataset:
Patent CU-22151-A1 (CU)
Inventor: RODRIGUEZ SOSA VICTOR MANUEL
IPC: A61B17/04
Filed: 1990-04-20
Abstract: SE RELACIONA CON EL CAMPO DE LA MEDICINA Y LA MEDICINA VETERINARIA Y FUE                            CONSTRUIDA CON EL OBJETIVO DE FACILITAR LA SUTURA DE PIEL Y OTRAS                                   ESTRUCTURAS. DICHO INSTRUMENTO ESTA CONFECCIONADO EN ACERO INOXIDABLE CON                           UNA LONGITUD TOTAL ENTRE 12 Y 16 CMS CON UN EXTREMO CURVO CARACTERIZADO POR                         POSEER UNA PUNTA DE TRABAJO DICOTOMIZADA EN FORMA DE "V" CON PRESENCIA O NO                         DE DIENTES, QUE PROPORCIONA DOS PUNTOS DE APOYO QUE FACILITA LA PENETRACION                         DE LA AGUJA DE SUTURA EN EL PUNTO DESEADO, SIN QUE EL TEJIDO RESBALE. PUEDE                         SER UTILIZADA EN EL CAMPO DE LA CIRUGIA HUMANA, VETERINARIA Y EN LA                                 EXPERIMENTACION ANIMAL.\!
Patent WO-0040311-A1 (WO)
Title: Zweiteiliges snowboard zur gesteuerten fortbewegung auf schnee und anderen gleitfähigen medien
Inventor: RIEG WOLFGANG
IPC: A63C5/03
Filed: 2000-01-04
Abstract: Die Erfindung betrifft snowboardähnliche Schneefahrzeuge, insbesondere zur Verwendung auf Schnee oder auf anderen gleitfähigen Medien, bei welchen der Benutzer im wesentlichen alle Richtungsänderungen direkt beeinflußen kann. Hierfür werden zwei Gleitkörper (1, 2) mittels Verbindungsvorrichtung (26, 27) so verbunden, daß die beiden Gleitkörper (1, 2) zueinander bewegt werden können. Das einstellbare Gelenkelement (30) als Teil der Verbindungsvorrichtung (26, 27) verfügt über ein Rückstellmoment, welches die Gleitkörper (1, 2) in ihre Ausgangsposition in Längsrichtung zurückstellt und über verschiedene Verstellmöglichkeiten der beweglichen Teile, so daß die Steifigkeit der Gelenke den jeweiligen Fahrsituationen optimal angepasst werden kann und im extremen Fall die Verbindungsvorrichtung (26, 27) eine starre Verbindung zwischen den Gleitkörpern (1, 2) herstellt. Die Erfindung ermöglicht auch eine Integration von bindungsähnlichen Vorrichtungen (28, 29) in die Verbindungsvorrichtung (26, 27) und die gemeinsame Befestigung auf den Gleitkörpern (1, 2).
Patent WO-0109018-A1 (WO)
Title: Verfahren und vorrichtung zur korrektur der lücken zwischen sendungen
Inventor: ZIMMERMANN ARMIN
IPC: B65G47/31
Filed: 2000-04-28
Abstract: Da die Ist-Lücken b eines Sendungsstromes kleiner als die zur Verarbeitung notwendigen Mindestlücken c sind, wird jede x-te Sendung, x=(a+b)/(c-b), a = mittlere Sendungslänge, ausgeschleust. Dann erfolgt eine Aufteilung des Sendungsstromes durch abwechselndes Zuführen der Sendungen auf zwei Lückenkorrektureinheiten, in denen sie so zu den Ausschleuselücken hin verschoben werden, dass nach dem Zusammenführen der beiden Teilsendungsströme die notwendigen Mindestlücken erreicht werden.
Patent WO-0068588-A1 (WO)
Title: Aufnahmeeinrichtung für wenigstens eine in einem gehäuse dichtend gelagerte welle
Inventor: COTTEVERTE PATRICK
IPC: B29C48/03
Filed: 2000-05-03
Abstract: Eine Aufnahmeeinrichtung für wenigstens eine in einem Gehaüse (11) eines Extruders (10) angeordnete Extruderschnecke (1, 2) weist Aufnahmewellen (25, 26) für die Extruderschnecken (1, 2) auf. Die Aufnahmewellen (25, 26) sind von Gleitringdichtungen (17, 18) umgeben, welche ihrerseits in einem Dichtungsgehäuse (16) angeordnet sind. Die Aufnahmewellen (25, 26) sind samt Gleitringdichtungen (17, 18) und Dichtungsgehäuse (16) auf einem Gestell (29) axial verschiebbar zum Gehäuse (11) angeordnet. Die erfindungsgemässe Aufnahmeeinrichtung vermeidet Beschädigungen oder Vorschädigungen der Gleitringdichtungen (17, 18) beim Aus- oder Einbau der Extruderschnecken (1, 2) in das Gehäuse (11).
Patent WO-0233348-A1 (WO)
Title: Optische vermessung eines objektes mit koordinatenmessgerät, kamera und beleuchtungsquellen
Inventor: BROSETTE FRANK
IPC: G01B11/03
Filed: 2001-10-16
Abstract: Die Erfindung betrifft eine Vorrichtung zur optischen Vermessung eines Objektes, mit einem Koordinatenmessgerät (3) mit Kamera (5, 8), insbesondere Videokamera (5, 8) und einer Beleuchtungsquelle (6, 10) zur Ausleuchtung im Auflicht oder im Durchlicht eines im Strahlengang der Beleuchtungsquelle (6, 10) und im Blickfeld der Kamera (5, 8) angeordneten Objektes (12). In Richtung der optischen Achse (15, 16) 'Kamera-Objekt' gegenüber der ersten Kamera (5) nach dem Objekt (12) befindet sich eine zweite Kamera (8) mit einer zweiten Beleuchtungsquelle (10), wobei die beiden Kameras (6, 8) sich gegenüberstehend ausgerichtet sind und die zweite Beleuchtungsquelle (10) das Objekt (12) gleichermaßen im Auflicht zu beleuchten imstande ist, und das Auflicht der ersten Beleuchtungsquelle (6, 10) gleichfalls als Durchlicht durch das Objekt (12) in das Blickfeld der zweiten Kamera (8) geleitet werden kann.
Patent WO-0238881-A1 (WO)
Inventor: WISCHEMANN HEINRICH
IPC: E04C2/34
Filed: 2001-11-07
Abstract: L'invention concerne un panneau sandwich comprenant un film supérieur appelé plaque de recouvrement supérieure ; un film inférieur appelé plaque de recouvrement inférieure, et un film central à protubérances présentant des protubérances en forme de pots. Le film à protubérances est fixé à un autre film par sa surface de base, appelée base, et à un autre film par les fonds de ses protubérances. Les protubérances ont une section polygonale et sont placées en quinconce de manière à éviter la formation d'espaces linéaires de type canaux entre plusieurs protubérances.
Patent WO-02061891-A1 (WO)
Title: Kontaktvorrichtung zur lösbaren verbindung einer bewegbaren geräteeinheit mit ortsfesten kontaktkörpern
Inventor: CIHLAR MICHAELA
IPC: H01R13/631
Filed: 2002-01-30
Abstract: Eine Kontaktvorrichtung (1) zur lösbaren Verbindung einer bewegbaren Geräteeinheit (30) mit ortsfesten Stromschienen (14) weist ein Gehäuse (2) aus Isolierstoff sowie in Kammern (3) des Gehäuses (2) untergebrachte Kontakteinheiten (4) auf. Jede Kontakteinheit (4) umfasst wenigstens ein abgewinkeltes Kontaktglied (5), ein gleichfalls abgewinkeltes Anschlussstück (16) sowie ein zwischen beiden angeordnetes Führungsstück (15). In den Kammern (3) des Gehäuses (2) ist eine Zwischenwand (13) mit einem Fenster (22) zur Aufnahme des Führungsstückes (15) angeordnet, wobei ein Übermaß der Dicke des Führungsstückes gegenüber der Zwischenwand (13) in Verbindung mit den Abmessungen des Fensters (22) für eine Verschiebbarkeit der Kontakteinheiten (4) in den Kammern (3) relativ zum Gehäuse (2) sorgt. Hierdurch können sich die Kontakteinheiten (4) auf ortsfeste Stromschienen (14) ohne Einfluss auf die Kontaktkraft ausrichten.
Patent DE-1813109-A1 (DE)
Title: Bobbin change magazine with downward slop - ing bobbin intake
Inventor: KLAUS NIMTZ DIPL-KFM
IPC: D01H1/18
Filed: 1968-12-06
Abstract: Bobbins are delivered to upward-sloping run of endless belt with pockets. Magazine is stacked series of slide paths to receive bobbins, slightly inclined towards belt and ending immediately in front of its receiving run. Two diameters from end of slide path is a locking yoke, spring-biassed outwards with locking hook extending vertically downwards at its free end and engaging bobbin compartment immediately below. Locking yoke for top-most compartment can be arrested by hand-operated locking device.
Patent DE-1813134-A1 (DE)
Title: Controlled infeed system for grinder
Inventor: FASBENDER HEINZ
IPC: B02C17/18
Filed: 1968-12-06
Abstract: In a grinding machine e.g. for cement, the material is led through a hopper having two grading outlets, each outlet delivering the material onto a weighing conveyor. The material is transferred to two separate dosing hoppers from which it is fed to the grinder. A switch system controls the quantities of material delivered from the two dosing hoppers dependent on the grinder requirement.
Patent DE-1916299-A1 (DE)
Title: Blow moulding machine
Inventor: ROESLER ALFRED
IPC: B29C49/56
Filed: 1969-03-29
Abstract: Blow moulding machine Two extruders are mounted together in one unit with their barrels pointing in opposite directions. The mounting is in the centre of a multiple mould arrangement and the extruders with their vertical dies can together rotate so as to line up with either of the moulds on their respective sides.
Patent DE-1927231-A1 (DE)
Title: Clay roof tiles
Inventor: EYK JOHANNES VAN
IPC: B28B23/00
Filed: 1969-05-29
Abstract: Expanded clay particles are mixed with a binding agent which comprises dry clay. The mixture is compressed into shape and fired in a furnace. Specif. a plastic bonding agent may be used as a binding medium.
Patent DE-1928867-A1 (DE)
Title: Coloured plastic sheeting
Inventor: KONERMANN FRITZ
IPC: B29C48/08
Filed: 1969-06-06
Abstract: Coloured pigment is mixed with powdered plastic and the mixture added to plastic granules before extrusion. Specifically the pigment and the powdered plastic are preheated before they are mixed together.
Patent DE-1929786-A1 (DE)
Title: Producing ornamental bowls, basins etc from - plastics material
Inventor: KLEINWAECHTER HERBERT
IPC: B29C70/30
Filed: 1969-06-12
Abstract: Bowls, basins, swimming pools etc are produced from plastics material by applying a transparent plastics layer to the exterior of a mould the layer being of sufficient thickness to withstand the required load. The plastics material is reinforced with glass fibres or similar materials. After the application of the surface layer a film of material embellished with figured patterns is turned towards the free surface of the transparent plastics material.
Patent DE-1930157-A1 (DE)
Title: Cleaning grid irons in spraying booths of - paint spraying plant
Inventor: OTTO GENGENBACH DIPL-ING
IPC: B08B3/04
Filed: 1969-06-13
Abstract: Washing vessels, equal in length to the grids, are sunk into the bath. Spec., the grids are divided into sections which are elastically connected. The axes of the connections are parallel to the vessels. The grid sections are automatically immersed in the vessels by chains driven via deflection rollers.
Patent DE-1945123-A1 (DE)
Title: Testing equipment for epoxy resin impregnant - of glass fabric
Inventor: WERMUTH WALTER
IPC: G01N11/00
Filed: 1969-09-05
Abstract: A press is based on a concentric arrangement of detachable mating parts, namely a base plate with a circumferential trough for the resin forced out of the sample under pressure through the holes in a perforated ring surrounding the sample and prevented from lateral displacement by an anvil plate recessed into the base plate and having its top face level with the bottom of the holes. The press is completely by an upper pressure plate. A perforated ring of 53 mm. internal dia. with 51 holes is used; the holes being preferably 2mm. in diameter with a gap between them of 1.5 mm. The press is used to test the creepage and curing time of the resin in its half cured state.
Patent DE-1960605-A1 (DE)
Title: Sludge feed screw
Inventor: TRUMMER ALFRED
IPC: B65G33/34
Filed: 1969-12-03
Abstract: Screw shafts with helical blades are held tight in outer pipes which rotate off rotors during operation. The material rides up the screw as this turns together with the pipes and a top centrifuge ejects liquid. The pipe turns on tyred rollers. In a sloping condition for chemicals handling, the pipe is held centrally in a drive tube with ring which supports the pipe and enclosed feeder screw but allows them to be slid out upward for inspection, repair etc. Polypropylene is suggested as pipe and screw material to combat aggressives.
Patent DE-1967067-A1 (DE)
Title: Dewatering of sludges in sewage treatment plant - with addn. of inorganic iron salt and pref. sawdust
Inventor: SOWA WERNER
IPC: C02F11/12
Filed: 1969-03-05
Abstract: Dewatering of sludges in sewage purifying plant comprises addin an inorganic iron salt to the sludge in the drying bed or thickener. The iron salt is pref. ferrous sulphate or chloride or ferric chloride, esp. in an amt. of 0.5-5 kg (pref. 1-4 kg) per m3 sludge. The iron salt is pref. anhydrous. Sawdust is pref. added to the effluent, esp. in an amt. of 5-80 l. (pref. 10-50 l.) per m3 sludge.
Patent DE-2013129-A1 (DE)
Title: Small ferromagnetic particles prepn
IPC: B22F1/062
Filed: 1970-03-19
Abstract: Small ferromagnetic particles prepn. Method comprises heating a eutectic binary alloy system in which one component (A) is ferromagnetic, the other (B) is able to dissolve in Hg e.g. Co-Au or Co-Bi above the liquidus temp. cooling in a magnetic field, dissolving the solidified melt in Hg, and removing the component (A) which is in the shape of crystal fibres, (A) being formed into tight bundles. The Curie pt. of (A) must be above the temp. of the eutectic and the concn. of (A) such that it will only precipitate at a temp. between the Curie pt. and eutectic. Pref. 10 wt. % of solidified melt are dissolved in about 90 wt.% Hg at 300-320 degrees C.
Patent DE-2019016-A1 (DE)
Title: N substd alpha-branched n substd beta-alanines prepn
IPC: C07D209/48
Filed: 1970-04-21
Abstract: Intermediates for pharmaceuticals and components for oligomer and polyamide prodn. of formula R1R2N-C2-CH(CH2R3)COOH (I) (where R1 is the acyl residue of an alpha-halo monocarboxylic acid and R2 is H, or R1 and R2 together form the bisacyl gp. of a dicarboxylic acid and R3 is H or 1-4 C alkyl opt. substd. by primary-bonded halogen, such as Cl or Br, arylsulphonyl, an N-carboxamide or N-dicarboximide gp; or is aryl nuclearly substd. by one nitro, carboxyl or sulphone gp.) are prepd. by reacting 1-3 moles R R1R2MCH2X (where X is OH, Cl or B) with 1 mole R3CH2CH=CH2 (where R3 is H, 1-12 C alkyl or cycloalkyl opt. substd. by primary-bonded halogen such as Cl or Br, alkyl- or aryl-sulphonyl, N-carboxamide, N-dicarboximide, nitrophenyl, or carboxyphenyl, or aryl nuclearly substd. by one nitro, carbonyl or sulphone gp.) in 90 - 98% H2SO4 at 0-20 (pref. 5-15) degrees C.
Patent DE-2021615-A1 (DE)
Title: Pvc paste for carpet foam backings
Inventor: SCHABEL JOACHIM DR
IPC: C08J9/00
Filed: 1970-05-02
Abstract: Foams for backing textiles, esp. floor coverings, are made from a PVC paste which contains 25-35% copolymer emulsion PVC of 5-15 mu, average particle size including 8-10% polyvinyl acetate, 30-40% quickly gelling plasticiser, 25-35% ground crystallised CaCO3 of 20-40 mu particle size as filler, 1-2% blowing agent decomposing at 135 degrees C. and 1-2% stabilisers. Pref. 5-morpholyl-1,2,3,4-thiatriazole is blowing agent used, and pref. PVC pastes contain Ba-, Cd- and/or Zn stabilisers.
Patent DE-2049318-A1 (DE)
Title: Magnesium metal electrolysis cell - lined with fluophlogopite
IPC: C25C3/04
Filed: 1970-10-07
Abstract: Electrolytic Mg-metal extraction cell is lined with an electrically insulating refractory material consisting of a synthetic MgO-Al2O3 mica of the type fluophlogopite. In the prefd. design the material, which is in plates is fitted to the cell wall through which the steel cathodes are led in. The material greatly extends the service life of Mg-extraction cells.
Patent DE-2063647-A1 (DE)
Title: Cellulose acetate films with improved dimen - sional stability
IPC: G03C1/795
Filed: 1970-12-23
Abstract: The dimensional stability of a crystallisable cellulose acetate film is improved by heating for 15-65 secs. at 230-270 degrees C and rapidly cooling to below 210 degrees C. During this time the film is held under a lengthwise tension of is not >6.3 g/cm. The films are used especially as photographic support materials or as packaging films. The films are not thicker than 0.254 mm. They have a shrinkage, during 60 secs. at 240 degrees C, of is not 0.5%.
Patent DE-2105705-A1 (DE)
Title: Elastomer sealing strip - to mechanise the sealing of electrolytic capacitor lids and housings
IPC: H01G9/10
Filed: 1971-02-08
Abstract: The electrolytic capacitor has a beaker shaped housing sealed by a lid with a sealing substance shaped into the contact area. Pref. the lid has a main section mfrd. from polyacetal polyphenyleneoxide or polyamide and an elastomer sealing mass.
Patent DE-2107684-A1 (DE)
Title: Cable sheathing compsn - with high elastic limit by adding mixture of polypropylenes to a polyethylene/polyisobutylene mixture
IPC: B29C48/05
Filed: 1971-02-18
Abstract: Cable sheathing compsn. with the same props. as polyethylene/polyisobutylene compsns. but with a higher elastic limit obtd. by adding to a mixture of 100 wt. pts. of a polyethylene (density 0.915-0.945 g/cm3, melt index 0.05-0.6) and 2-10 wt. pts. of a polyisobutylene (limiting viscosity in isooctane at 20 degrees C of 1-8), 2-10 wt. pts. of a mixture of polypropylenes consisting of (a) 70-80 wt % of a polypropylene of which 1 wt % is soluble in boiling toluene (polypropylene:toluene = 5:95) and (b) 20-30 wt % of a polypropylene which is more than 99 wt % soluble in boiling toluene (at above ratio). The sum of (a) and (b) must be always 100: both polypropylenes must have nearly the same intrinsic viscosities and mol. wt. distribution; the absolute viscosities (measured in decaline at 130 degrees C) must be between 1 and 10. Sheating of the cable core is carried out at 170-210 degrees C.
Patent DE-2114046-A1 (DE)
Title: Cellular insulating components - with evacuated cells
IPC: F16L59/02
Filed: 1971-03-23
Abstract: The component consists of granular mainly open cell cellular material such as silica foam in which a reduced pressure exists in the cells. In the prefd. process the granular material is mixed with an epoxy-resin-hardener mix and the resultant mixture is introduced into a mould where it is allowed to set in a vacuum. Components, which may include plates and pipe sleeves, made in this way have excellent heat insulating props.
Patent DE-2138931-A1 (DE)
Title: Basic dyes - prepn by catalytic oxidn of corresp cpds using complex catalysts contg heavy metals
Inventor: KAST HELLMUT DR
IPC: C09B11/24
Filed: 1971-08-04
Abstract: Basic dyes of formula (I): (where R is H, 1-4C alkyl, 2-3C hydroxyalkyl, cyanethyl, 2-5C carbalkoxyalkyl, methoxyethyl, ethoxyethyl, 4-11C alkanoyloxyalkyl, benzyl, phenylethyl, phenyl opt. substd. by methyl, methoxy or ethoxy, or the gp. R1 is 1-4C alkyl, 2-3C hydroxyalkyl, cyanethyl, methoxyethyl, ethoxyethyl or phenyl, R2 is as R; R3 is as R1; X, Y are each H, Cl, methyl, methoxy or ethoxy; A is phenyl opt. mono- or disubstd. by Cl, OH, methyl, methoxy, ethoxy or sulphonic acid gp. or a gp. of formulae: in which R4 is H, Cl, methyl, methoxy or ethoxy; R5 is H or Cl; X- is an anion) are obtained by dehydrogenating cpds. of formula (II): with benzoquinones substd. by F, Cl, Br or Cn or nitro-substd. phenanthrene -quinones in the presence of O2 and catalysts contg. complex heavy metals (where A' is as A or a gp. of formula.
Patent DE-2159763-A1 (DE)
Title: Redn in toxic gas output of engines - by burning fuel with insufficient air and post-combustion of exhaust gases
Inventor: DONATH ERNEST E
IPC: F01N3/18
Filed: 1971-12-02
Abstract: Formation of poisonous exhaust gases by burning liq. fuels in engines is avoided by burning with insufficient air for complete combustion in the high pressure part, mixing the exhaust gases with 1-15% excess of air over that for complete combustion and burning in a post-combustion chamber, the gas being expanded to atmos. pressure with output of work. Used in gas turbines, diesel engines and esp. petrol engines eg. of vehicles. Prodn. of nitrogen oxides in combustion of the fuel is avoided or reduced to tolerable levels by the rich mixt. used. Unburnt or partially burnt cpds. are fully oxidised in the after-burner, where the temp. is insufficient to produce nitrogen oxides.
Patent DE-2204749-A1 (DE)
Title: Isotropic carbon bodies prodn - by pyrolysing aromatic resins of high glass temperature
Inventor: FITZER ERICH PROF DR
IPC: C04B35/83
Filed: 1972-02-02
Abstract: Materials or components of cpd. bodies consisting of isotropic C are produced by thermal breakdown, in a non-oxidising atmos., of a linear polymer, with at least partly aromatic structure, with a Tg >500 degrees C. Such polymers combine the advantages of the thermoplastic binders and the hard, cross-linked duroplasts. C yields are >50%. C bodies reinforced with C fibres are made by pyrolysing moulded polymer bodies contg. not 10 vol.% C fibres or fabric. C-glass bodies are made by pyrolysing a mixt. of a polyimide and is not 10 vol. % of glass powder, fibre or fabric; similarly, C-bonded ceramic bodies are produced by shaping a polyimide binder contg. ceramic granules, and pyrolysing this body.
Patent DE-2232633-A1 (DE)
Title: Automatic fish gutting machine - with rotary plough mechanism belly slitting knife and brushes
Inventor: VARLET MARIUS
IPC: A22C25/14
Filed: 1972-07-03
Abstract: Esp for large fish (coalie, haddock, cod etc) the bed of the machine has a central vee channel for alignment of the back of the fish with a narrow base slot for the dorsal fin and part of the tail. At the entry to the machine an inverted vee guide for helping to align the fish is mounted on a trailing lever which controls the height of a superstructure carrying a slitting blade, a first brush to loosen the guts, a plough mechanism and a second, cleaning brush. The plough consists of a sector shaped, U cross section free falling, pivoted shoe within which at least one shaped blade rotates to sever the points of attachment of the internal organs. Labour/cost/waste saving.
Patent DE-2300663-A1 (DE)
Title: Low calorie milk-based bread-spread - prepd. by pasteurising cream, ripening with lactic acid cultures, gelatine and starch, incubating and cooling
Inventor: WEISS KARL
IPC: A23C15/16
Filed: 1973-01-08
Abstract: Compsn. for spreading on bread is prepd. by pasteurising cream obtd. after sepg. whole mil into cream and skim milk; homogenising; cooling in a plate-type appts.; adding lactic acid cultures, edible gelatine, starch, carotene, and salt, and stirring to thick creamy compsn. in a cream-ripener; charging to a filling machine for emptying into 200g beakers; incubating at 27 degrees C and cooling in a cooling chamber at pH 4.8. Prod. is ready for sale the next day. Compsn. has 300 calories/g and smooth spreadability at all seasons and temps.
Patent DE-2303815-A1 (DE)
Title: Vascular active 2-hydroxy-2-phenylethylamine derivs - prepd, from corresp alpha-amino-acetophenones by catalytic redn. with platinum oxide
Inventor: MOLTENI LUIGI
IPC: C07D307/52
Filed: 1973-01-26
Abstract: Title cpds. are of formula: and their acid addn. salts (where R = H, OH or OCH3; R; = H, OH or Ph; R2 = H or CH3; R3 = (CH2)2OH, C2H5, n-C3H7, n-C4H9, iso-C4H9, Some of the cpds. are hypertensives, other are hypotensives.
Patent DE-2311972-A1 (DE)
Title: False twisting - using discs with relief rims at angle to yarn travel
Inventor: BRENNER LUTZ DIPL ING
IPC: D02G1/08
Filed: 1973-03-10
Abstract: The discs are oriented so that they lie at an angle, or at right angles to the line of yarn travel, the relief patterns on their rims giving a variety of mechanical forces on the yarn, their sum producing a false twisting effect. The relief patterns on the rims are selected to give different effects. The max. force is applied over the cross-section of the yarn, without imposing tension along the yarn length, so that the incidence of yarn damage and/or breakage is reduced.
Patent DE-2313177-A1 (DE)
Title: Ammonium sulphate mfr. - from ammonia and sulphur dioxide via intermediate ammonium sulphite
Inventor: AMBROSSI CARMIN MARINO
IPC: C01C1/247
Filed: 1973-03-13
Abstract: Sulphur dioxide (0.2-21%) which may be from e.g. roasting of metal sulphides or from combustion of S-contg. materials, is reacted with NH3 in aq. soln. to yield (NH4)2SO3 which is then oxidised by air in a reactor which may be of various types, e.g. a fluidised bed to give (NH4)2SO4 crystals suitable for use a high-N fertiliser. The process does not involve making H2SO4 as an intermediate.
Patent DE-2314664-A1 (DE)
Title: 2,6-dichloro-3-chloromethyl-5-nitropyridine useful as a pesticide
Inventor: WEIS CLAUS D DR
IPC: C07D213/61
Filed: 1973-03-23
Abstract: Title cpd. of formula (I): which is a pesticide (useful e.g., in plant- or materials-protection) and plant-growth regulator, is prepd. by heating 2,6-dichloro-3-chloromethylpyridine in a mixt. of concd. H2SO and fuming HNO3, pref. at 90-110 degrees C.