baber/WOPTO huggingface dataset:
Patent DE-1941691-A1 (DE)
Title: Synergistic antiozonant mixtures of a phenylenediamine
Inventor: HENRY ROSENWALD ROBERT
IPC: C08K5/18
Filed: 1969-08-16
Abstract: An antiozonant mixture of a N,N'-di-sec (C3-20 alkyl)-p-phenylenediamine, a N(C3-20 alkyl) N'-phenyl-p-phenylenediamine or N,N'-dicyclohexyl-p-phenyl-enediamine with a compound: in which R and R1 and H or C1-20 alkyl radicals, R11 is H, C1-20 alkyl or C3-12 cycloaklyl and R111 is C1-20 alkyl or C3-20 cycloalkyl. The mixtures contain 50-90% of the p-phenylene diamine and 10-50% of I. Specific mixtures exemplified are N-sec-butyl-p-anisidine (II) with N,N'-di-2-octyl-p-phenylene diamine (III); N-sec-octyl-p-anisidine and (III); N-2-ethylhexyl-p-amino-phenol and (III); N-methyl-N'-n-butyl-p-aminophenol and (III); N,N'-dicycloheyl-p-phenylenediamine and N-methyl-N-sec-butyl-p-phenetidine; N-phenyl-N'(1,3-dimethyl butyl-p-phenylenediamine and N-sec-hexyl-p-anisidine; and N-phenyl-N'isopropyl-p-phenylene diamine with N-methyl-N'sec-octyl-p-aminophenol. The examples relate to SBR stocks.
Patent DE-1943777-A1 (DE)
Title: Aminopropiophenones with analgetic and sedative - properties
Inventor: JOHANNES KECK DIPL-CHEM DR
IPC: A61K31/135
Filed: 1969-08-28
Abstract: New aminopropiophenones of formula:- (where R and R' are alkyls with 3 or 4C, or R = H), esp. the beta-butyl-amino or beta-propylamino-propiohenones, are prepared from the corresponding beta-halogeno derivs. and amines RR'NH; or the 4-acylamino cpds. are hydrolysed; or the related secondary alcohols are oxidised; or appropriately substituted acetophenones are condensed with HCHO and bases RR'NH in the presence of an acid or the amine salt. The products have better analgetic and sedative properties than previous cpds. of this type.
Patent DE-1945047-A1 (DE)
Title: Shrinkage tunnel for the thermal treatment - of goods surrounded by foil
Inventor: KALLFASS KARL-HEINZ
IPC: B65B53/06
Filed: 1969-09-05
Abstract: Hot air is blown into the tunnel near the centre through inlet slits, and is returned through outelt slits. These are positioned near the end of the tunnel sidewards and out of reach of a transportation unit for the packages, which passes through the tunnel. Inlet and outlet slits are independently adjustable. The tunnel allows a perfect fold-free shrinkage of the foil, despite high productivity of the machine, and is also easily adjustable.
Patent DE-1955118-A1 (DE)
Title: Chemically decarbonising descaling andpaint removal - from iron and steel
Inventor: BEIER WILFRIED
IPC: C23G1/08
Filed: 1969-11-03
Abstract: Chemically decarbonising descaling and paint removal from iron and steel Particularly for injection nozzles and crankshafts of engines, the parts are immersed in solution of 10 l conc. H2SO4 and 2 kg CrO3.
Patent DE-2006798-A1 (DE)
Title: Extruding high molecular polyethylene foil
IPC: B29C48/10
Filed: 1970-02-14
Abstract: High-molecular, low-pressure polyethylene tube is extruded by first heating in screw extruder to just above softening temp., then extruding and cooling by a surrounding air flow tempered to several times room temp., while tube is inflated to stretch it. Object is to produce paper-like properties.
Patent DE-2011497-A1 (DE)
Title: Electro-slag welding of eg oven ladles
IPC: B23K9/04
Filed: 1970-03-11
Abstract: The surface of the workpiece has a metal layer electro-slag welded to it. The surface is first divided into sections in the longitudinal direction and one of these sections is preheated before a metal layer is welded to the section surface across its complete width. A further section is then preheated and provided with a metal layer and the process is continued until the complete workpiece surface has been treated. The technique is used for example to apply a hard alloy to the surface of blast furnace parts subject to abrasive wear and temp. above 500 degrees C.
Patent DE-2017472-A1 (DE)
Title: Magnetic agitator for small vessels
IPC: B01F13/08
Filed: 1970-04-11
Abstract: Agitator is fixed to permanent magnet and is rotatably mounted on a shaft which is coaxial with the revolving magnetic field outside the vessel. System improves operational reliability.
Patent DE-2030349-A1 (DE)
Title: Slurry dehydration - by treatment with amphoteric polyelectrolyte and settling
IPC: C02F11/12
Filed: 1970-06-19
Abstract: Agglomeration and dehydration of aqs. suspensions, particularly slurries containing mineral solids of =30 mu particle size and of 1.5-3.2 g./ml. specific weight, such as coal, flue dust or phosphate suspensions, takes place by diluting solids content with water to vule below that of compression zone, and then treating suspension with stirring with aqs. solution of an amphoteric polyelectrolyte of mol. wt. 105-107. Continuous treated suspension stream is led to a first settle zone. Further amount polyelectrolyte is added to raise viscosity of settled phase to >=104 cP. Upper aqs. phase is separated. Structural viscosity of settled phase is reduced to 2000 cPs. Further amounts water are separated. Settled phase is led to a second settling zone where a further amount of polyelectrolyte is added and pH is adjusted to 10-12 with lime. Pref. polyelectrolyte is a polyacrylamide-Na-polyacrylate copolymer of mol. wt. 2-5 x 106 or pref. a linear (natural) polymer of mol. wt. >105 with functional side-groups the mol. cohesion of each functional side-group being 9-13 kcal/mole.
Patent DE-2035142-A1 (DE)
Title: Short period resistance welding - of air hardening concrete reinforcing steel rods
IPC: B23K11/16
Filed: 1970-07-15
Abstract: Concrete reinforcing steels of the type IIIA of the air hardening type are welded by various resistance welding process the cycle length of which is kep of short duration to prevent austenite formation, which would promote martensite formation resulting in brittleness. Welding appts. with controllable gas discharge or semiconductor valves such as ignitions or thyristors may be used.
Patent DE-2036891-A1 (DE)
Title: Powder separator - having two sets of rotating vanes
IPC: B07B7/083
Filed: 1970-07-24
Abstract: Powder separator comprising a cylindrical housing, a separating rotor having a rotating disc-shaped part with a central inlet port, a rotating conical part with its base surface facing the coaxially arranged disc-shaped part, a first group of rotating vanes installed between the disc-shaped part and the base surface of the conical part, and a second group of rotating vanes arranged radially on the conical surface of the conical part, with means for supplying the powder to be separated together with a stream of air to the inlet port of the rotating disc-shaped part.
Patent DE-2051832-A1 (DE)
Title: Coatings for glass and plastics - contg hydroxyalkyl acrylate/ acrylated silane co-polymers to prevent condensation
IPC: C09D143/04
Filed: 1970-10-22
Abstract: The coatings consist of solns. of a co-polymer (A) and an acid catalyst (B). (A) is made from 88-95 wt.% of an (meth)acrylate ester of formula CH2=CR-CO.O (CH2)nOH (in which R is H or methyl and n is 2-4) and 12-5 wt.% of a silane of formula CH2=CR-CO.O.(CH2)n Si(OR1)3 (in which R is H or methyl, R1 is alkyl (pref. methyl) or acetyl and n is 2 or 3) (B) contains >=2% water and consists of sulphuric or perchloric acid in an amt. of 0.5-1% of the solids content of the coating. They are suitable for coating inorganic and organic glasses to prevent moisture condensation and deposn. of dirt. The film is not swollen by water, is permanently anti-static and adheres well to the glass.
Patent DE-2055456-A1 (DE)
Title: Tyre cord supply - by draw roller synchronised with speed of calender rollers
IPC: B29D30/38
Filed: 1970-11-11
Abstract: The draw roller pulls the cord/wire material from a bobbin creel at a rate proportional to the speed of the calendar rollers to ensure, in conjunction with and adjustable roller array, that each cord/wire strand is of equal tension. The purpose is to provide a band of cord/wire material at equal parallel distances for passing through the calendar rollers for cladding with rubber or plastic in tyre or conveyor belt prodn.
Patent DE-2126026-A1 (DE)
Title: Plastic film stretching rolls - which maintain the correct width of the sheet
IPC: B29C55/06
Filed: 1971-05-26
Abstract: Two thin stretching rolls, driven at different speeds are arranged between the feed roll and the discharge roll such that the clear intermediate space between the feed and discharge rolls is less than the sum of the stretching rolls' diameter. The stretching rolls support against each other and one leans against the feed roll whilst the other one leans against the discharge roll.
Patent DE-2141127-A1 (DE)
Title: 17-vinylidene steroids - inters for progesterone derivs
Inventor: CRABBE PIERRE
IPC: C07J5/00
Filed: 1971-08-17
Abstract: Steroids of the formula: (where A = A, B and C rings of a steroid molecule; R = H, OH or acyloxy; R1 = H or acyl), are prepd. by reacting a 17 alpha-ethynyl-17 beta-acyloxy estrane or androstane steroid with Zn in an ethylene glycol ether to give the corresp. 17 vinylidene steroid which is oxidised with OsO4, OsO4, H2O2 mixture, a percarboxylic acid, phenyliodoso acerate or morpholine. The prodts. have progestational, and antiinflammatory activity and the intermediate vinylidene cpds. are antandrogenic.
Patent DE-2142334-A1 (DE)
Title: Insoluble monoazo dyes - for colouring synthetic hydrophobic fibres in fast yellow-orange shades
IPC: C09B29/32
Filed: 1971-08-24
Abstract: Dyes of formula (I) (in which A is substd. phenyl, opt. substd. naphthyl or heterocyclic group of aromatic character, R1 and R2 are O, S or > NR3, and R3 is H or opt. substd. lower alkyl. Rings B and D may carry further substits., but the mol. is free from sulphonic acid groups) are prepd. by diazotising amines A-NH2 and coupling with the appropriate component to give (I). The dyes are esp. suitable for dyeing and printing aromatic polyesters, cellulose acetates, synthetic polyamides and polyolefins.
Patent DE-2150713-A1 (DE)
Title: Surfacing chipboards and hardboards with films - without risk of precure
IPC: B27N3/20
Filed: 1971-10-12
Abstract: The structure films are laid on each side of the substrate and pre-bonded at points by pre-pressing, using adhesives or electrostatically. The assemblies are gripped in conveyor links, moved into a vertical position, and loaded into a heated platen press, whose platens are mounted vertically, the conveyor being aligned equidistant from the platens. After hot pressing, the platens open and the conveyor unloads the pressed boards vertically. By eliminating risk of precure, surface films can be used with short curing cycles.
Patent DE-2159610-A1 (DE)
Title: Foamed polypropylene - for cast moulded sole mfr
Inventor: KLAUER HEINZ
IPC: A43B13/04
Filed: 1971-12-01
Abstract: Use of polypropylene for prodn. of foam-cast moulded soles, esp. conforming to foot anatomy, combines high strength and lightness. Foamed polypropylene used may have densities 0.7. They have sufficient elasticity to allow working up of edges without hurting the foot.
Patent DE-2166420-A1 (DE)
Title: Load bearing structure - of thermosetting resin with three adjacent resin layers with outer layers bonded by connections through
Inventor: PICCIOLI DINO
IPC: B32B1/08
Filed: 1971-12-02
Abstract: Articles at least a part of whole walls are formed out of a thermosetting resin as a load bearing construction which has in cross section at least a first layer of resin, a second layer of resin, an intermediate layer of resin between the first and second layers, and one or more load bearing connections extending between the first and second layers through spaces in the intermediate layer. Used for prodn. of covers, beams, tubes, containers, boats, towers, etc. esp. larged sized structures. Articles with different combinations of mechanical, chemical, physical, biological or aesthetic characteristics can be easily produced in accordance with the loads and the use for which the product is intended.
Patent DE-2215970-A1 (DE)
Title: Coke pushing dust suppression - by cowl with water sprays and electrostatic screen
Inventor: GOEDDE FRANZ DIPL ING
IPC: C10B33/00
Filed: 1972-04-01
Abstract: Dust emission during coke pushing operations in coke ovens of the horizontal chamber type is eliminated by a cowl around the emerging coke cake which is open only at the bottom and contains rows of water nozzles. To catch any dust particles outside the cowl, an electrode screen mesh is arranged horizontally on three sides of the bottom end of the cowl.
Patent DE-2231220-A1 (DE)
Title: Multicomponent injection moulding machine - with separate injector for each component
Inventor: LICHTENOECKER FRANZ
IPC: B29C45/07
Filed: 1972-06-26
Abstract: A multicomponent injection moulding machine, e.g. for multi-coloured injection, has one injection unit for each component. The injection units are all mounted in eccentric bearings about a common axis, and can be rotated together about this axis. The units are also pref individually adjustable in height.
Patent DE-2238817-A1 (DE)
Title: Superheater for wet steam - construction permits easy exchange of dama-ged external tubes and obviates necessity of tube bundle removal
Inventor: ULMER WERNER
IPC: F28D7/06
Filed: 1972-08-07
Abstract: The wet steam passes across the tube bundle into the tubes of which hotter steam is introduced. The construction allows easy acess for removal and exchange of outer steam tubes which are damaged by wet steam. The outside tubes may be closed at one end and U tubes may be used in the centre. The tubes may project beyond the tube plate to facilitate handling. Easy exchange of outer tubes obviates the necessity for a bundle exchange or the blocking up of damaged tubes.
Patent DE-2240353-A1 (DE)
Title: Floating head - for tube aggregate heat exchanger of simple, space-saving design, with detachable cover
Inventor: ABE EGON
IPC: F28F9/02
Filed: 1972-08-17
Abstract: Floating head for tube aggregate heat exchanger, with tube aggregate able to move freely in the lengthwise direction, has a flange fitted on the tube plate directly or by a surround and with a detachable cover not jutting beyond the outside dia. of the flange. This floating head is of universal application and is an useful as the type screwed onto the outside dia. of the tube plate by a split ring, whilst using less material. It allows free movement and better utilisation of the heat transfer surfaces, since the elimination of the split ring allows the outlets to be placed nearer the head. Construction is simplified and defective tubes can be replaced easily and quickly.
Patent DE-2256191-A1 (DE)
Title: Sheathed hook for picking plant - comprises compressed air layer in between and pressure monitor
Inventor: PEMPERA FRANZ
IPC: C23G3/00
Filed: 1972-11-16
Abstract: Hook for use in automatic pickling plants for e.g. wire coils is sheathed with a pressure tight steel casing. There is a gap between the two which is filled with a pressurised medium and a pressure guard is provided to monitor the pressure. The pressurised medium is pref. air. The system precludes the risk of undetected collapse of the hook due to corrosion.
Patent DE-2304959-A1 (DE)
Title: Thermal treatment of aluminium phosphate mud pptd from - effluents - to recover phosphorus and aluminium
Inventor: BRODERSEN KNUD ERIK DIPL ING
IPC: C02F11/12
Filed: 1973-02-01
Abstract: Mud obtained by pptg. phosphates from sewage water contg. detergent compsns. by means of Al salts is dried; then heated at 600-800 degrees C with exclusion of air; and further heated at 970-1100 degrees C with exclusion of air; the liberated) by redn) P vapour and vapours of volatile metals (if present) are condensed; the residue is leached with H2SO4 or NaOH to recover aluminium; combustible gases evolved from organic matter during the first heating stage are utilised as fuel. Heavy metals, if present, and recovered. Phosphates are removed from sewage water to prevent development of aquatic life.
Patent DE-2305341-A1 (DE)
Title: Ceramic slip - for curtain coating comprising fine milled mixture of dielectric, vehicle and dispersant
Inventor: HURLEY THOMAS PATRICK
IPC: C04B35/634
Filed: 1973-02-03
Abstract: Slip produces a uniform product free from pinholes and suitable for electrical components, esp. by fast curtain-coating methods. It comprises (a) 70-95 wt.% powdered titanate, zirconate, niobate, alumina, porcelain or a ferrite, (b) 10-30 wt.% xylene and/or amyl acetate and (c) 0.2-3 wt.% oolyethylene glycol, lecithin, polyoxyethylene isooctylphenyl ether or polyoxyethylene nonylphenyl ether. The mixt. is milled to a fineness of 0-20 mu, and has a Brookfield viscosity of 6000-15000 cPs before addn. of a binder.
Patent DE-2308242-A1 (DE)
Title: Non-woven fleece mfr
Inventor: BUNTIN ROBERT R
IPC: D04H3/16
Filed: 1973-02-20
Abstract: High quality fleece mata comprising fusion/blown polymer fibres, particularly polypropylene fibres, are produced by the high-velocity extrusion of fibre-forming thermoplastic resin in a molten state, through openings in a heated nozzle, into a stream of hot inert gas which draws the molten resin into a cluster of fibres which are collected in a receptacle along the path of the fibre stream to form a fleece mat. This is done by keeping values and parameters of the following within critical limits in the extrusion of the resin; Polymer resin flow velocity, viscosity of the polymer at specific speeds gradients, processing temps. and gas flow velocities.
Patent DE-2310142-A1 (DE)
Title: Bronchodilatory benzo dioxans - 6-(2-amino-1-hydroxyethyl) 2,2-disubstd benzo-1,3-dioxans
Inventor: AMANN AUGUST DR MED
IPC: C07C47/56
Filed: 1973-03-01
Abstract: New cpds. of formula (I) (where R1 is H, opt. substd. 1-8 C alkyl, opt. alkyl-substd. 3-6C cyclo-alkyl, or -CR4R5-(CH2)m -C triple bond CH; R4 is H or 1-4C alkyl and R5 is 1-6C alkyl, or R4+R5 is (CH2)p; p = 3-6; m = 0 or 1;R2 and R3 are 1-4C alkyl or R2+R3 is (CH2)n; n = 3-5) are pref. prepd. by reacting a cpd. (II) with R1NH2.
Patent DE-2329710-A1 (DE)
Title: Recording measuring instrument - has a device for ink supply with an ink container connected with the recording pen
Inventor: AMREIN OTTMAR
IPC: B41J2/49
Filed: 1973-06-12
Abstract: The ink container is connected by a supply pipe to a pressurised storage tank, and the ink supply to the container is controlled by a valve in accordance with its consumption. A solenoid valve is in the supply pipe. It is opened by an operating device at an easily accessible instrument point, where it can be operated by hand pressure, so that an electric contact is closed, which supplies the solenoid valve with current. An optical system may monitor the ink level in the container and when it falls it illuminates a photocell which energises a relay operating the valve.
Patent DE-2334139-A1 (DE)
Title: Gear type hydraulic pump - has pressure balancing pistons of graphite bonded with synthetic resin
Inventor: ECKERLE OTTO
IPC: F04C2/10
Filed: 1973-07-05
Abstract: The pump has a conventional gear pinion meshing with an annular wheel. There is a regulating ring between the annular wheel and the outer casing. Radial pressure on the regulating ring is equalised by recesses containing balancing pistons. These are made of graphite bonded with synthetic resin. Because of their low coefficient of expansion they do not need a large clearance, can withstand a wide range of pressures and temperatures and are self lubricating. They can also be preformed without needing any final machining.
Patent DE-2340109-A1 (DE)
Title: Roll and swivel brake for castor wheel - with cam operated spring to grip wheel and block castor bearing
Inventor: SCHROEDER DIETER
IPC: B60B33/02
Filed: 1973-08-08
Abstract: The castor wheel forks are fitted with a foot operated cap at the front end, arranged so that it easily kicked down or lifted with the toe. The cam has a nose which presses onto a profiled leaf spring whose bent end acts as a brake surface on the castor wheel, with castor wear compensated by the flexibility of the spring. The spring is pivotted between two press studs some way along its length and has tags at its other end to move it into, and hence block, the swivel bearing.
Patent DE-2348863-A1 (DE)
Title: Safety system for wheel rim of tubeless tyre - with sealed bolts screwed through rim to secure tyre wall
Inventor: TIEMANN REINHARD DIPL ING
IPC: B60C15/02
Filed: 1973-09-28
Abstract: The wheel rim is provided with a number of holes positioned around the outside ledge, on the inside of the fitted tyre wall. The outside of the holes are fitted with captive bolts welded on the rim. Special securing bots are screwed into the holes, from the outside of the wheel rim after the tyre is fitted. The head of each bolt is sealed against the thread by a sealing washer while the free end is profiled to form a safety stub which prevent the tyre from leaving the rim if it is deflated. To remove the tyre the bolts are simply unscrewed.
Patent DE-2350150-A1 (DE)
Title: Wear-resistant ferroalloy coated, sliding element - of base metal, for piston rings or cylinder liners in combustion engines
Inventor: FUKUSHIMA NOBORU
IPC: C23C4/06
Filed: 1973-10-05
Abstract: Sliding element consists of a base metal spray-coated with a ferroalloy contg. 1-5 wt. % total C, and 0.1-30 wt. % B, the latter as an even distribution of fine B carbide particles.
Patent DE-2351269-A1 (DE)
Title: Hydraulically regulated gas-fired hot water system - has reversing valve connected to two circulation points with pressure differential
Inventor: REIMERS ERNST
IPC: F24D19/10
Filed: 1973-10-12
Abstract: The installation incorporates a gas-fired water heater, a circulating pump and a hydraulic control member activated by a pressure differential led from the water circulation system, its pressure chamber being connected to the chamber of a reversing valve entered by two coaxially opposite connections with an axially movable control member led between them as in 2062699. A reversing valve of the bi-stable switch action type is provided, with connections to two points in the circulation system between which there is a pressure differential dependent on the volume of water in the circuit. Creeping gas formation at the beginning of gas supply is almost eliminated, and gas supply is automatically shut off when water volume is too low, regardless of the size of the system.
Patent DE-2356391-A1 (DE)
Title: Disc-like (wire) brush with bristles embedded in synthetic resin - to improve tracking accuracy and efficiency in operation
IPC: B24D13/10
Filed: 1973-11-12
Abstract: Rotary disc-shaped brush, the peripheral surface of which forms the working surface, comprises bristles, pref. of metal, embedded in a synthetic resin, pref. an epoxy or resorcinol resin. The resin pref. contains a reinforcing filler, esp. "Aerosil" (RTM) or metal powder. The brush exhibits improved tracking accuracy and efficiency. It is suitable for use on e.g., soft metals for electrodes, rubber or leather.
Patent DE-2359407-A1 (DE)
Title: Maze game using grooves - seeker pin attached to manually operated guide slides in grooves of maze
Inventor: BILSTEIN WILLI DIPL ING
IPC: A63F3/02
Filed: 1973-11-29
Abstract: Maze game has the maze path as grooves in a maze body and seeker body/bodies can be guided in the grooves. A guide body is displaceable relative to the maze body and has at least one seeker body to it. Preferably the body is a pin. The maze body, at least partially, covers the grooves which have at least 2 different depths and/or widths. The pin has a neck with a head fitting the larger groove width, and is height-adjustably fitted to the guide body. The seeker can be manually directly guided through the maze and games of different degrees of difficulty can be constructed.