baber/WOPTO huggingface dataset:
Patent DE-1915732-A1 (DE)
Title: Sealing joints and lacquering inner walls - of refrigerator
Inventor: EWALD WITTMANN DIPL-ING
IPC: B05D7/16
Filed: 1969-03-27
Abstract: Joints in metal sheets comprising inner walls are filled with paste based on epoxy resin/hardener mixture; walls are then coated with heat-hardening laquer, sealing, and coating are hardened together; lacquer may be based on acrylate; preferred hardener is BF3-2,4-dimethyl-aniline. Resin/hardener mixture has long storage life and short hardening time.
Patent DE-1940708-A1 (DE)
Title: Herbicidal halo substd (thio)ethers arrives - and aldehydes
Inventor: WERNER KOCHMANN DIPL-CHEM DR
IPC: B29C48/90
Filed: 1969-08-09
Abstract: Chlorinated aldehydes and related compounds of the general formula:- (in which R = H, Cl, Br; R' = H, CH3; R" = Cl, Br; X = O, S, NH; Y = alkyl residue C1-8; acyl residue C1-4, H; Z = Cl, Br, OH, arylthio. C1-8 alkyl thio, aryloxy; C1-8 alkoxy, or C1-4 acyloxy) possess herbicidal properties. In an example, application of 5-10 kg./ha trichloroacetic acid in 600 litres of water gave good results with the following grasses. Bromus secalinus, Lolium sp., Setaria italica, Panicum mibaceum, and Alopecurus pratensis.
Patent DE-1944674-A1 (DE)
Title: Gripping tongs for sheet glass
Inventor: KUIFF SIEGFRIED DIPL-ING
IPC: C03B35/20
Filed: 1969-09-03
Abstract: Tong type vertically suspended gripping device, linked to the crane chain by means of chain links attached to the end of the gripping levers with gripping pads fitted with high friction contact discs, which are attached to the tongs by means of self aligning ball and socket joints. The contact pads have a max. surface area of 2 cm2. and the max. pressure applied to the vertically suspended glass plates cannot exceed 12 kg./cm2. by virtue of the restricted leverage of the tongs.
Patent DE-1948996-A1 (DE)
Title: Benzisothiazole azo dyes for polyesters
Inventor: HAGEN HELMUT DR
IPC: F16L41/02
Filed: 1969-09-27
Abstract: Benzisothiazole azo. dyes (I for polyester textiles R is H, Cl, Br, CN or NO2, R1 is H or (subst) (ar) alkyl, R2 is (subst) (ar)alkyl or cycloalkyl, R3 is H or (m)ethoxy, R4 is H, Cl, methyl, (chloro) or (hydroxy)acetylamino, or propionylamino.
Patent DE-1965802-A1 (DE)
Title: Coating steel tubes with thermoplastics
Inventor: LANDGRAF HELMUT DIPL-PHYS
IPC: B29C63/10
Filed: 1969-12-29
Abstract: Single operation coating of steel tubes to protect them when underground, with improved adhesion of coating is carried out by spraying onto the rotating tube a thermosetting, cross-linking resin, pref. an epoxy resin, at e.g. about 180 degrees C, immediately winding on a tape of an ethylene copolymer, e.g. acryl/ethylene, followed by helically winding on an extruded thermoplastics tape, esp. of polyethylene.
Patent DE-2017173-A1 (DE)
Title: Treatment of hot sedimentary liquor for metal extraction
IPC: C22B3/22
Filed: 1970-04-10
Abstract: The liquor which contains Fe as well as non-ferrous metals is pumped from the seabed and the solids are extracted by passing the soln through a filter or centrifuge. The solids are roasted either in an oxidising or Cl-contg. atm in a furnace, pref. in a shaft furnace, and the products subjected to a leaching treatment.
Patent DE-2062635-A1 (DE)
Title: Freezing ice cream mix - using deep freezing to avoid crystal formation
IPC: A23G9/18
Filed: 1970-12-18
Abstract: Ice cream is made by deep freezing a liquid starting material so rapidly that crystals cannot form, converting the deep frozen material into powdered form and then pressing this powder to homogeneous ice cream portions. Specif. the cooling speed exceeds 0.5 (3-5) degrees/sec. The frozen powder is formed by spreading the liquid mix in a thin layer, pref. 0.3-1 (0.4)mm thick onto a deep freezing, moving surface, then scraping it off.
Patent DE-2103974-A1 (DE)
Title: Coal-tar pitch - of low oxygen content used as binder for graphite electrode mfr
IPC: C04B35/532
Filed: 1971-01-28
Abstract: Ash-free coal-tar pitch free from quninoline-insol. cpds. and contg. =0.3 0.1) % O2 pref. prepd. from briquette-pitch with Kramer-Sarnow softening pt. 63-73 degrees C is used as binder for graphite electrode mfr.
Patent DE-2106617-A1 (DE)
Title: Anthraquinone dyes - free of sulphonic gps, for colouring synthetic materials in orange to violet shades
IPC: C09B1/06
Filed: 1971-02-12
Abstract: The dyes are of formula (in which Ar is an arylene gp. opt. substd. with further non-ionogenic substits. Y is an acylamino gp. X1 is OH or amino, X2 is OH, amino or acylamino, and Z1-3 are each H or halogen) Y is pref. -NHQR (in which Q is -CO-, -SO2-, -CO2- or -CONH- and R is H or an aliphatic, aromatic or heterocyclic gp). or (in which U is -CO- or -SO2-, and B is a 2-5C hydrocarbon gp. opt. substd. by alkyl, or an opt. substd. or hydrogenated o-phenylene, or o- or peri-naphthylene gp). The cpds. are suitable for dyeing synthetic fibres, fabrics, films, etc. from hot aq. dispersions, followed by fixing at 190-220 degrees C. or for continuous dyeing of synthetic fibres from org. solns. Orange, red or violet shades of good fastness esp. to light, sublimation and thermofixing are obtained.
Patent DE-2106633-A1 (DE)
Title: Long foamed objects - made by inserting solid bar in mould then expanding it
IPC: B29C44/38
Filed: 1971-02-12
Abstract: Method of foaming long hollow objects consists of inserting a solid pre-product of bar form and suitable cross-section longitudinally into the mould, then expanding it; expansion may either take place progressively with time, or be initiated, e.g. by heat. The advantage achieved is uniform density.
Patent DE-2112167-A1 (DE)
Title: Welding thermoplastic materials - avoiding welding bead between pressure tool and stops
Inventor: GRELLER PETER
IPC: B29C65/78
Filed: 1971-03-13
Abstract: The lower material is located laterally on the lower electrode by a spring-loaded stop and is held vertically by a spring-loaded element fitted in the upper electrode. The bottom edge of this element acts as a lateral stop for the upper material (which lies on top of the first stop) and its plane lies within the edge of the welding surface, so that, in the welding position, the welding surface extends beyond the edge of the upper plastic material. To operate the apparatus, the upper electrode descends, the element pivots and moves the lower material slightly away from the top.
Patent DE-2131325-A1 (DE)
Title: Pressure relieve valve three way construction - has operating piston face subjected to constant low presure
Inventor: BARTHOLOMAEUS RAINER
IPC: F16K11/07
Filed: 1971-06-24
Abstract: The pressure relief valve with 3 way action is designed to attain a large rate of flow, even where the difference in pressure between source and user is small, by opening a large flow cross-section. The operating piston which in one end position connects the user with the pressure-medium source and in the other with a tank, has one face subjected to the user pressure, and its other face-subjected to a constant minor pressure which defines the user pressure. Pref. the valve chamber circumscribed by the face of the operating piston is connected through a throttle with the valve chamber of a servo valve.
Patent DE-2146440-A1 (DE)
Title: 4,8-dihydroxy-2,6-dimercaptopyrimido (5,4-d)-pyrimidine prepn - start from s-alkylisothiourea and oxalacetic ester
IPC: C07D239/56
Filed: 1971-09-16
Abstract: 5,4-d pyrimidine (I) is prepd. by reacting R2OCC.COM:CH.COOR1 (where R1 and R2 are lower alkyl and M is alkali metal) with H2N.C(NH)SR3 (where R3 is lower alkyl) in the presence of NH3; halogenating the 2-alkylthio orotic acid amide obtd. and reacting the product with NH3; and reacting the 5-amino-2-alkylthio orotic acid amide obtd. with alkali metal hydrosulphide and X.C(S)SH (where X is H, free or substd. OH, NH2 or SH) in any order. Cpd. (I) is an inter. for the vasodilator 2,6-bis(diethanolamino)-4,8-dipiperidinopyrimido 5,4-d -pyrimidine.
Patent DE-2146555-A1 (DE)
Title: Casting or moulding transporter - comprising light, flexible plate contg air nozzles
Inventor: PFOERTNER GUENTER
IPC: B60V3/02
Filed: 1971-09-17
Abstract: The plate transports articles which can be damaged by vibration etc. during mfr. and contains internal air passageways which lead to nozzles which produce air cushions between the plate surface and a rigid substrate. Specif. the plate may be in grid form, e.g. with wooden baths covered by fibre board (phenolic resin-bonded fibrous material), an aluminium plate, or a cast plastic plate. It is used in metal, plastic, plaster or cement casting and provides a lightweight construction which is prevented from bending by the provision of the rigid substrate.
Patent DE-2150729-A1 (DE)
Title: Coffee free from caffeine - prepd by extraction with water instead of org solvents or ion exchanges
Inventor: ROTHFOS JAN-BEERND
IPC: A23F5/20
Filed: 1971-10-12
Abstract: The extraction with water is so arranged that all the caffeine is obtained during the first operations, caffeine-free coffe being obtained during the main process. The final product thus contains no material foreign to coffee.
Patent DE-2156603-A1 (DE)
Title: Aqs pigment dispersions - for addition to white pigments or distempers
Inventor: BELDE HORST
IPC: C09D101/02
Filed: 1971-11-15
Abstract: The aqs. pigment dispersion which is non-flocking in plastics dispersions or distempers contg. cellulose ethers, contains, calc. on (a+b+c): (a) 20-55% of a finely divided pigment; (b) 5-25% of a water sol. surfactant or a mixture thereof, obtained by reacting (1) amines of formula (I): N2N-(R.R'N)n-H (I) (where R is satd. 2-6C alkylene; R' is H, 1-6C alkyl, or phenyl; n is 1-5 and when n is 1 the gp. NHR' may be linked with the other amino gp.) or (2) aromatic or cycloaliphatic diamines, with (3) 3-50 mol. propylene oxide per equivalent of reactive amino H, and then (4) with 2-70 mol. ethylene oxide per equivalent reactive amino H, and (c) 40-75% water or mixture of water and a water-reserving agent.
Patent DE-2158876-A1 (DE)
Title: Semiconductor characteristics stabilisation - by treating oxide-coated element with hot phosphoric acid
Inventor: GRUNDEY ALFRED
IPC: H01L23/31
Filed: 1971-11-27
Abstract: Stabilisation of the characteristics of electrical semiconductor devices, which consist of a semiconductor element with a (partial) oxide coating on the surface, comprises treatment in H3PO4. This treatment is used to stabilise the blocking voltage characteristics of diodes and transistors (esp. pnp-HF-transistors) over blocking load time. It can be carried out before or after doping by diffusion and before or after providing contact windows in the oxide coating. The semiconductor is pref. Si with a SiO2 coating and pref. no other insulating coatings of other materials. Treatment is carried out for 15-30 min. with 85% H3PO4 at ca. 160 degrees C.
Patent DE-2162361-A1 (DE)
Title: Sealing seams, joints - by incorporating paste on ribbon carrier in the seam and hardening
IPC: C09J7/20
Filed: 1971-12-16
Abstract: Seams, joints of all descriptions are sealed by incorporating a ribbon or tape coated with a pasty sealing material, subsequently hardened. Ribbon can be polyester tape or foam padding, sealant can be mixture of phenol resin, lead silicon chromate, zinc oxide, strontium chromate, and a filler such as Kieselguhr with quartz dust and pulverised magnesite.
Patent DE-2165321-A1 (DE)
Title: Circular embossing machine - for heated embossing of conical plastic parts
Inventor: ALDER EMANUEL
IPC: B44B5/00
Filed: 1971-12-29
Abstract: The embossing foil is guided in a circle around the conical plastic part to be embossed with the aid of a revolving circular embossing head.
Patent DE-2222514-A1 (DE)
Title: Hard chromium plated aluminium or thermoplastic - components - for use in textile machinery etc
Inventor: SPERL ROBERT J
IPC: C23C4/08
Filed: 1972-05-08
Abstract: Grease is removed initially with a solvent and the surface sand or alumina blasted. The surface is then plasma plated, pref. with a high Cr stainless steel to a depth of 2-7 mils and ground back to is not 0.002 in. A conventional electro-deposit of Cr follows approx. 0.008 in. thick which is subsequently ground and polished.
Patent DE-2260095-A1 (DE)
Title: Reinforced trailing cable or pipe group - has stiffening fabric sleeve incorporated in protective sheath of whole multicore cable or pipe cluster
Inventor: WERWITZKE LOTHAR
IPC: H01B7/18
Filed: 1972-12-08
Abstract: A single- or multicore cable or group of flexible pressure pipes is sheathed in >=1 thermoplastics or elastomer sleeves. A fabric of extensible, strong material, esp. nylon and/or steel filaments, is incorporated beneath or between the sleeves, and has its constituent filaments extending longitudinally and transversely. The fabric may be embedded into a sleeve, or sandwiched between inner and outer sheaths. Improved bending resistance is obtd.
Patent DE-2261431-A1 (DE)
Title: N-phenyl-5-bromopyrazolones - herbicides acting only against weeds without damaging culture plants
Inventor: PERKOW WERNER DR
IPC: C07D231/26
Filed: 1972-12-15
Abstract: Substd. N-phenyl-5-pyrazolones (I) Br-substd. in position 4 of pyrazolone ring, their derivs. and salts, pref. 1-phenyl- or 1-(4- or 2- or 3- -chlorophenyl)- or 1-(2,5- or 3,4-dichlorophenyl)-2,3-dimethyl- or 1-(cloro- or dichloro- or 3- or 4-nitrophenyl)3-Me-4-Br-pyrazolone-5, have selective activity against mono- and di-cotyledon weeds, e.g. alopecurus myosuroides, agrostis spica venti, poa anua, veronics, matricaria, stellaria media, voila tricolor, solanum migrum, polygonum, chenopodium, panicum etc. (I) or their hydrobromides are used esp. with extenders, as emulsion concentrates, spray powders or granulates opt. with fertilisers, pesticides and other herbicides. A synergetic effect is achieved on using (I) with 3-(4-chlorophenyl)-1-methoxy-1-methyl-urea and/or 2-Cl-4-ethylamino-6-isopropylamino-s-triazine.
Patent DE-2325415-A1 (DE)
Title: Silicate glass charge prepn - from rock component and high modulus calcium magnesium hydrosilicate
Inventor: MELKONJAN GAREGIN SARKISOWITSC
IPC: C03C13/06
Filed: 1973-05-18
Abstract: Silicate glass charge, including glass for fibre prodn. is prepd. by admixing ground mountain rock component (A) e.g. basalt, quartz sand and dolomite, with high modulus CaMg hydrosilicate, xCaO.yMgO.nSiO2.mH2O (B), as agent for intensifying melting and clarifying. Pref. (B) is prepd. by mixing diatomaceous earth with Mg(OH)2 and Ca(OH)2 in an aq. medium, heating to 50-200 degrees C for >20 min., filtering and drying ppte. of (B) obtd. Mixt. of (A) and (B) may be prepd. hydrothermally by wet-grinding at 50-200 degrees C for >20 min., drying and granulating. (B) may be added as its raw matls., i.e. diatomaceous earth, calcined dolomite, Ca(OH)2 and Mg(OH)2, used in amounts corresp. to specified glass compsn. Use of (B) allows melting of glass compsns. contg. >51% SiO2 and 2% alkali oxides.
Patent DE-2336969-A1 (DE)
Title: Cooling unit for combustion engine lubricating oil - consists of heat exchanger cooled by fuel/air mixture
Inventor: KUEHNEL JOACHIM DIPL-ING
IPC: F02M31/10
Filed: 1973-07-20
Abstract: The heat exchanger is preferably arranged downstream of the carburettor on the inlet suction pipes to the engine. The supply of oil may be thermostatically controlled such that the heat exchanger is by-passed as long as the oil temperature is below a predetermined level. The heat exchanger with inlet pipes may be made as one unit cast in light metal.
Patent DE-2341070-A1 (DE)
Title: Suppressor of erroneous target-does-not-answer displays - designed for interrogator of secondary radar transmitting coded interrogating signals
Inventor: MAIER BRUNO
IPC: G01S13/78
Filed: 1973-08-14
Abstract: The response signals which are received are checked if they have been coded in a special way or not. In the case of erroneous or missing response signals, a 'Target-doesnot-answer' is displayed. An at least two-part antenna array is used for the interrogating and response signals and at least two transmission lines are provided. A monitoring device is connected to one transmission line. A part of the signal transmitted over the other transmission line is coupled out and is passed to the transmission line connected to the monitoring device via the beam coupling of the antennae.
Patent DE-2350029-A1 (DE)
Title: HF rectifier and DC amplifier arrangement - gives DC proportional to HF level using differential amplifier coupled over low pass filter to diode input
Inventor: TIENCKEN HANS-HINRICH
IPC: G01R19/22
Filed: 1973-10-05
Abstract: The HF rectifier and d.c. amplifier arrangement for converting HF signals into amplified d.c. voltages proportional to the HF signal level has a differential amplifier connected at its inputs across a high-ohmic resistor after passing over a low pass filter. One end of this resistor is coupled over a first diode to earth and over a choke and a resistor to a voltage source; the other end of the resistor is coupled to one HF input terminal and over a choke and a second diode to earth. A second voltage source is connected over a resistor to the second diode anode. The HF input is applied between earth and the input terminal.
Patent DE-2351581-A1 (DE)
Title: Automatic casting and ejecting lipsticks into tubes - using turn table and single camshaft to trigger all operations
Inventor: KRUSE DIETER
IPC: A45D40/16
Filed: 1973-10-13
Abstract: Cpds. of (I) formula R-X-NH-CS-O-CHR1-CR2R3-NO2, (where X is CO, SO2 or CH2; R is lower alkyl, a heterocyclic residue, or opt. substd. phenyl; R1 is H or 1-12C alkyl opt. subst. by Cl or Br; R2 is H, Cl, Br or 1-4C alkyl opt. substd. by Cl or Br and R3 is H, Cl, Br or 1-4C alkyl) are prepd. by reacting cpds. of formula R-X-NCS with cpds. HO-CHR1-CR2R3-NO2 in equimolar amts. and working up the prod. in a conventional manner. (I) have a broad spectrum of activity against bacteria and fungi are well tolerated physiologically, and may be used in a variety of applications.
Patent DE-2353245-A1 (DE)
Title: High lift wing flaps for aeroplane wings - can be swung from body stored position to leading and trailing edges
Inventor: OBERDOERFFER ELMAR DIPL-ING
IPC: B64C9/36
Filed: 1973-10-24
Abstract: The wing flaps are normally stored flush with the aircraft fuselage. Sliding links at one end of the flaps engage with slots which are parallel to the wing edges. Sliding links mounted at the other end of the flaps engage with slots parallel to the side of the fuselage. When one end of the flaps is moved outward towards the wing tip, the other end will be brought nearer to the wing edge. Alternatively, the flaps can be swung from their position flush with the fuselage, about a hinge point to the wind edges or the flaps can consist of sections which extend telescopically. The arrangement allows the use of optimal flap area for landing and take-off or for normal flight.
Patent DE-2355806-A1 (DE)
Title: Moulding process to form angled sealing strip - with foam rubber tube cut on metal strip to be bent and open angle filled by film
Inventor: GATTIGLIA LUIGI
IPC: B60J10/00
Filed: 1973-11-08
Abstract: Designed for the sealing of automobile doors, bonnets and the like, the workpiece is a tube of foam rubber with a flat lip with an embedded sectional metal strip. The tube is cut for the metal strip to be bent into the required angle, and then inserted in a shaped mould, the open zone in the cut angle being covered with an elastomeric or plastomeric film with a foam rubber supporting insert if required. After application of heat in the closed mould, the film is welded and cross-linked into palce to give a profiled sealing strip to exact dimensions with an unbroken smooth outer surface.
Patent DE-2356557-A1 (DE)
Title: Motor vehicle dipping headlamp system - with extra deep dipped position for city traffic by moving bulb or reflector
Inventor: BREITSCHWERDT WERNER DIPL ING
IPC: F21V14/02
Filed: 1973-11-13
Abstract: The headlamps are provided with selective high and low beam as normal and have a third setting in which the beam is dipped further down so that the dazzle hazzard is considerably reduced for city traffic, where driving on sidelights only would be dangerous. The third setting is achieved in a variety of ways; the whole headlamp can be tilted by a servo motor in the case of sealed beam units, or the bulb is mounted on a holder which moves axially w.r.t. the reflector, also operated by a servo motor. A third alternative is to use bulbs with a third filament and with a suitable switching arrangement.
Patent DE-2365152-A1 (DE)
Title: Calcination of Portland cement in rotary drum furnace - rapid temp. rise at inlet end permits large redn. in furnace length
Inventor: LUDWIG UDO PROF DR ING
IPC: C04B7/44
Filed: 1973-12-29
Abstract: Cement, esp. portland cement is calcined in a rotary drum furnace in counter-current and with pre-heating. The final calcining stage directly follows the pre-heating stage, i.e. there is a very steep temp. rise immediately after pre-heating. The final calcining stage is pref. undertaken using air enriched with oxygen. When long drum furnaces are used, the inlet end is pref. cone-shaped, increasing to a plain cylindrical shape, and this shape is pref. used also with Lepol kilns or suspension type heat exchangers; in both cases the length of the cone w.r.t. the length of the plain cylindrical portion is pref. between 1:1 and 1:1.5. The furnace length can be reduced by over 50% and less energy is required.
Patent DE-2404814-A1 (DE)
Title: Spring loaded catch for motor vehicle bonnets etc. - is moulded integrally with the spring and housing
Inventor: BRUECKNER ROLF
IPC: E05B15/04
Filed: 1974-02-01
Abstract: The spring loaded catch is designed especially for motor vehicle boot and bonnet lids. The integral catch unit has a retractable wedge shaped catch which is pushed into the housing under actuating force which acts against the spring force. The catch unit is moulded in one piece and it has a guide frame for the sliding catch block with a wedge shaped nose. The block is moulded integrally with a leaf spring whose other end is joined to the rear end of the guides frame plate. The catch block has at its rear two guide pins for contacting the leaf spring sides for guiding purposes. The integral catch unit is moulded in one operation.
Patent DE-2405344-A1 (DE)
Title: Back blowing air filter using travelling nozzles - leading from moving upper and lower walls of duct
IPC: B01D46/00
Filed: 1974-02-05
Abstract: A back blowing device for gas or air filters is used for cleaning inward-flow filter tubes or bags by pulsating air. The duct supplying pulsating air to the filters is itself completely contained in the clean air side duct of the filter unit and has its top and bottom walls constituted of a moving endless belt while its front and back walls are mounted respectively on the front and back walls of the clean air duct. Pref. the pulsating clean air duct is subdivided by a horizontal plate into upper and lower ducts each of which as a branch extending only upwards and only downwards, to move with the endless belts along a series of filter outlets cleaning them in succession. The ends of the clean pulsating air duct are closed by plates with sealing strips. The upper and lower ducts are supplied from openings. Can be operated at a relatively low pressure difference; the pulses become dissipated in travelling through the ducts so that there is little back suction at each pulse at the cleaned surface.
Patent DE-2407787-A1 (DE)
Title: Ignition timing control for four stroke engine - can be adapted for either digital or analogue operation
Inventor: HEMPEL PETER
IPC: F02B75/02
Filed: 1974-02-19
Abstract: The device can be mounted inside the fan pulley which has a carrier ring keyed to the boss of the fan pulley. The carrier ring is surrounded by two ferritic rings. For the digital operation, the inner ring carries a large number of equally spaced permanent magnets with their magnetic axis parallel to the crankshaft axis. The outer ring carries a single magnet. A first sensor transmits an electrical pulse once per revolution, and a second sensor can be adjusted by the screw to give the required ignition timing. For analogue operation the magnets are in the form of short strips mounted obliquely to the radius.