baber/WOPTO huggingface dataset:
Patent DE-1921349-A1 (DE)
Title: Thermoplastic mouthpiece with two wings - for moulded containers
Inventor: KARL HABERHAUER DIPL-ING
IPC: B29C65/02
Filed: 1969-04-26
Abstract: Spouts moulded with a collar or flange to which the spout is inserted in the vessel during assembly and below which is a (ribbed) cylindrical or divergent trunk which is welded to the inside of the vessel. Two fins are provided on diametrically opposite surfaces of the trunk for alignment between the mating surfaces of the vessel (formed by opposing surfaces of two complementary mouldings or by collapsing a tubular preform) to provide additional material and weld area for strengthening the junction of the mating faces and the insert. The spout projection is pref. threaded to accept a cap.
Patent DE-2002262-A1 (DE)
Title: Hole drilling and casing
Inventor: SCHULZ WOLFGANG DIPL-BERGING
IPC: E21B7/20
Filed: 1970-01-20
Abstract: Each single string composed of several individual pipe stands is uncoupled from the drill drive on reaching planned depth, the tool then run out to the surface, a fresh string lowered rather smaller in diameter followed by a fresh tool which is also smaller. The drive is coupled back in and the hole driven down. The string sections have crown bit teeth at the bottom end to drive down and each succeeding string used in any one hole is screwed in the opposite way to that preceding it.
Patent DE-2010926-A1 (DE)
Title: Foam-insulated pipes prodn
IPC: F16L59/14
Filed: 1970-03-07
Abstract: An outer cylindrical casing is provided with an axial core, e.g. of plastics or metal, extending through covers closing the ends of the casing, and a homogenous foam material, pref. polyurethane foam, is discharged between the core and the casing at a predetermined uniform rate of flow while the casing, end covers and core are displaced axially at a corresponding speed such that a constant thickness of foam filling is formed between the core and casing. When the foam has set, the core is replaced by an inner pipe having a diameter smaller than that of the core to allow expansion of the inner pipe without compression of the foam. The pipes are suitable for use as e.g. underground conduits for hot water.
Patent DE-2030797-A1 (DE)
Title: Welding heavy gauge metal sheet - with two opposite seams
IPC: B23K9/00
Filed: 1970-06-23
Abstract: The two sided joining by welding of thick metal sheets into endless strips is effected by seam welding of the contact edges in a first welding operation from above. After this the strip is made to describe a 180 degrees arc, and following a straightening operation, is welded again from the top this time on the reverse side. In the two bending operations for the deflection of the strip care is taken, that no bending action is applied to the weld area of the strip. Pref. an automatic sensing probe is fitted in front of the bending rolls effecting the deflection, which switches them off and makes them move apart to permit passage of the weld. The process permits the production of good quality and well aligned welds.
Patent DE-2041778-A1 (DE)
Title: Casting ladle - for manual work
Inventor: JUST FERDINAND
IPC: B22D41/00
Filed: 1970-08-22
Abstract: The casting ladle for metals, esp. for manual foundry work, comprises one or two rod-shaped attachments to the lip.
Patent DE-2046804-A1 (DE)
Title: Embedding compsns for semiconductors - based on esters of polyfunctional cyanic acid giving good adhesion
Inventor: FASBENDER HELMUT
IPC: H01L23/29
Filed: 1970-09-23
Abstract: Esters of polyfunctional aromatic cyanic acids, pref. a mixt. of esters with high cross-linking and esters with a flexibility conferring chain between the aromatic nuclei, used in conjunction with fillers, pref. micro-fine talc, to embed semiconductor assemblies. The cured material has good resistance to short temp. variation, has good adhesion to the assembly and prevents moisture reaching the assembly. The esters are pref. used as a prepolymer.
Patent DE-2051187-A1 (DE)
Title: Plastics injection nozzle control - with servo cylinder to direct movement of sealing needle
IPC: B29C45/23
Filed: 1970-10-19
Abstract: The servo cylinder is linked to the injection cylinder to give a simultaneous movement to the lever moving the sealing needle in and out of the nozzle aperture. The purpose is to ensure that the nozzle is opened at the right time when the plastic material is under sufficient pressure for it to be propelled into the mould, and closed when injection is complete to prevent any surplus emerging which could spoil the quality of a fine precision component.
Patent DE-2058500-A1 (DE)
Title: Pyrazolo(1,5-c)pyrimidine derivs - useful as inters for plant-protect
Inventor: KRANZ ECKART DR
IPC: C07D309/36
Filed: 1970-11-27
Abstract: Title derivs. of tautomeric formulae (Ia) and (Ib): (where R1 and R2 are 1-4C alkyl, aryl opt. mono- or disubstd. by halogen, NO2, alkyl, alkoxy, OH, SO3H, SH, alkylmercapto, COOH, carboxyalkyl, NH2, alkylamino or acylamino, or a heteroaryl residue; R3 is H or lower alkyl; and X is O, S or NH; or X + R3 in formula (Ib) can be a group =N-(CH2)n- in which n is 2, 3 or 4 or a group =N-(CH2)m-(o-C6H4)-(CH2)m'-, in which m and m' are each 0 or 1), which have trichomonacidal and amoebicidal activity and can also be used as intermediates for plant-protection agents, are prepd. by reacting a cpd. of formula (II): with R3-NH-NH-CX-NH2 or a mineral-acid salt of the cpd. at 0-150 degrees C in the presence of an acid.
Patent DE-2115264-A1 (DE)
Title: Pressure reducing containment - for liquid sodium reactor plants
IPC: G21C9/004
Filed: 1971-03-30
Abstract: Safety system for a reactor building containment applicable to liquid sodium cooled reactor plants, in which the domed roof of the building is separated from the operating area by a ceiling with pressure sensitive diaphragms. Alternatively or additionally, circumferential cells with diaphragms can be constructed around the containment wall. The dome space or cells are purged and filled with an inert gas and the pressure differential across the dividing ceiling equalised to containment pressure which is maintained slightly negative. Release of liquid sodium into the operating area would precipitate a rapid pressure increase due to sodium/air/moisture reaction which would be relieved by the diaphragms with consequent overall pressure drop.
Patent DE-2117856-A1 (DE)
Title: Continuous metallurgical converter chamber - sub divided into deep and shallow bath zones
IPC: C21C5/56
Filed: 1971-04-13
Abstract: The bath trough has a rear shallow slag settling zone and a front deeper slag forming zone where the flux is added. The starting melt is fed into the bath between the two zones and the blowing gas is directed at the slag forming zone applying a pressure of between 2 and 10 atmospheres onto the melt surface effecting vertical melt circulation. A wier pref. separates the shallow and deep bath sections. The chamber permits the carrying out of continuous steel making.
Patent DE-2122952-A1 (DE)
Title: Zinc oxide -based catalyst - for methanol synthesis contg - copper and chromium oxides
IPC: C07C29/154
Filed: 1971-05-10
Abstract: ZnO-based catalyst contg. Cu and Cr oxides is produced by reacting Cu acetate soln. containing suspended ZnO and graphite, with chromic acid soln. washing, filtering, drying, pre-consolidating resultant precipitate carrying out pyrolysis in N2 stream; granulating, and reducing to pellets of product up to density between 1. 2 and 2.0 kg/l. This catalyst can be used in synthesis of CH3OH from CO and/or CO2 and H2O and for conversion of CO and steam to CO2 and H2. It has longer active life than catalyst containing Cu, does not cause deposition of C and permits use of low temp. in CO/steam conversion to H2/CO2.
Patent DE-2137130-A1 (DE)
Title: Wet dust precipitator - with agglomeration zone based on air deflectors of worm shaped profile
Inventor: HOELTER HEINZ
IPC: B01J2/10
Filed: 1971-07-24
Abstract: The dust and water contact zone in which the agglomeration takes place is in a hollow section which contains a number of gas deflector plates esp. of diffusor type which follow a worm shaped profiled path so that a relatively long contact path is contained in a short length of housing. Spray nozzles for water or air/water mixt. are fitted to the deflector plates.
Patent DE-2147717-A1 (DE)
Title: Steel refining - using liquid coolant blown into melt together with oxygen through two-component blast-pipe
Inventor: GECK HANS GUENTER DR ING
IPC: C21C5/34
Filed: 1971-09-24
Abstract: Coolant used in process for steel refining, in converters having bottoms fitted with 2-component blast-pipes for simultaneously blowing O2 and coolant into melt, consists of a liquid, esp. a liquid hydrocarbon, e.g. oil, a mixt. or soln., which vapourises at a temp below temp. of melt only on entry into blast pipe. Amt. and/or type of liq. may be altered during refining process. Pref. amt. of liq. is estimated so as to allow opt. w.r.t. blast pipe ear and addn. of scrap Fe in converter. Liq. is introduced into blast pipe at sufficient (high) press. Exchange of residues is prevented by providing suitable devices outside blast pipe, e.g. non-return valves and narrowing of supply cross-section.
Patent DE-2223466-A1 (DE)
Title: Extractor - for dissolving out substances eg dyestuffs from a substrate eg paper, film, fabric or yarn
Inventor: BAUMGARTE ULRICH DIPL-CHEM DR
IPC: D06P5/13
Filed: 1972-05-13
Abstract: Dissolving of substances e.g. dyestuffs, optical brighteners, textile finishes, plasticisers etc. from substrates, particularly paper, films, woven-, knitted- or non-woven fabrics etc. of natural or synthetic polymers by use of a solvent at high temp. followed by the sepn. of the soln., incorporating the improvement whereby the material to be extracted is brought to a high temp. by means of condensing vapour of a solvent-miscible liquid in which the substrate is insoluble, the substance thus being dissolved out from the substrate and the resultant soln.
Patent DE-2227006-A1 (DE)
Title: Synthetic yarn fibre coating material - with tracer additive for easier quantitative measurement of thickness etc.
Inventor: BURGHARDT WOLFGANG DIPL CHEM D
IPC: G01N33/36
Filed: 1972-06-02
Abstract: The tracer added to the coating, dressing prepn with which the synthetic yarn fibres are processed as they leave the spinner extruder, is a dyestuff which is colourless under illumination in the visible region but which has an absorbency max. in the UV region in the wavelength band 200-380 nm. The coating thickness and uniformity are then checked by photometric methods in that waveband. The indicator material is added in proportion of 0.01-3 wt.% of the dry wt of dressing prepn. The prepn is extremely simple to use.
Patent DE-2230756-A1 (DE)
Title: Dark green tetrakisazo dyes - for dyeing natural and synthetic fibres and paper
Inventor: KRAMB HANS DR
IPC: C09B35/60
Filed: 1972-06-23
Abstract: Title cpds. are of formula (I): (where X is H or alkyl; Y and Z are substituents; n and m are 0-2). They are prepd. by tetrazotising the corresp. disazo dye contg. the substituents Y and Z and coupling with 2 mol. of an X-substd. phenol in aqs. alkaline medium.
Patent DE-2232693-A1 (DE)
Title: Vulcanising cable sheath - with cable suspended in catenary in magnetic field which counteracts gravity
Inventor: WIZNEROWICZ FRED DR ING
IPC: B29C48/05
Filed: 1972-07-04
Abstract: A method of continuously cross-linking or vulcanising the natural or synthetic rubber, or plastics sheath material of metal cables, esp. electrical cables, consists of heating the sheath material in a cross-linking or vulcanising zone. In this zone, electrical current is passed through the cable and the cable is pulled through a magnetic field oriented transversely to the direction of pull. The current in the cable and/or in the coil used for producing the field may pref. be used in addn. to heat the cable. The filed produced provides an uplift to the cable, counteracting gravity; this enables the tension in the cable to be reduced, e.g. almost to zero. The magnetic uplift is stable.
Patent DE-2232763-A1 (DE)
Title: Acid-base artificial smoke - intensified and stabilised with organic basic nitrogen-contg cpds
Inventor: PETTERS WILLI DIPL ING DR
IPC: C06D3/00
Filed: 1972-07-04
Abstract: Artificial smoke, used, e.g. for the formation of smoke screen, is improved by addn. of a reinforcing agent consisting of a basic N-contg. cpd. having a m.pt below 0 degree C and a b pt above 50 degrees C (pref. triethylamine or morpholine); the cpds. are very effective even if used in a small amt (e.g. 0.2 g/m3); this is of importance in the case of smoke shells.
Patent DE-2240963-A1 (DE)
Title: Prestressed spring winding - by feeding wire in loop round mandrel
Inventor: POERINK JANNES JONGE
IPC: B21F3/04
Filed: 1972-08-21
Abstract: The springs are manufactured by feeding the unstressed wire on to the mandrel such as to be formed into a loop having the shape of a spread out helix the direction of feeding of the wire being against the direction of winding of the spring. The forcing of the wire into a loop is effected pref. by its being passed through a groove on a tongue extending from an abutment block riding on the mandrel but not rotating with it. The pre-stressing is mechanically easier to effect.
Patent DE-2263643-A1 (DE)
Title: Composite material casting - made in single mould with partition core fitted with connecting member
Inventor: FUERLINGER JOSEF MATTHIAS
IPC: F16D65/12
Filed: 1972-12-27
Abstract: Composite material castings of e.g. wheels comprising steel hubs and cast iron brake drums or discs are produced using single moulds fitted with partition cores in which are embedded connecting members projecting from either side into the separate mould cavities created by its insertion. The core may be pre-fabricated so that the connecting member is integrally fitted or may be fitted separately. Handling between the two separate casting operations is thus eliminated.
Patent DE-2309350-A1 (DE)
Title: Machining tool for multimembered plastic surfaces - e.g. plastic profiles for window frames which are inaccessible by normal belt grinders or emery belts
Inventor: MUELLER WALTER
IPC: B24D7/06
Filed: 1973-02-24
Abstract: The tool comprises a rotating metal disc having an external surface with a contour complementary with that of the surface of the side of the profile to be machined. In partic. the working surfaces of the disc are roughened, and more esp. milled or knurled at an angle.
Patent DE-2337505-A1 (DE)
Title: Hydrophilic fibre-forming copolymers of acrylonitrile - contg. acrylamide and acrylic acid gps., by acid hydrolysis of acrylonitrile-acrylamine copolymers
Inventor: STOY ARTUR
IPC: C08F8/12
Filed: 1973-07-24
Abstract: Hydrophilic copolymers of acrylonitrile are prepd. by (a) copolymerising acrylonitrile with 0.01-30 wt. % (meth) acrylamide, and (b) hydrolysing the copolymer by an acid solvent or swelling agent which contains water and HNO3, H2SO4, H3PO4, HCOOH and/or ZnCl2 + a small amt. of HCl; the prod. is isolated by removing the acid hydrolysing agent when the required degree of hydrolysis has been reached. The copolymer is hydrolysed at lower temps. and more rapidly than polyacrylonitrile. The prod. is of better quality. The structure of the prod. can be controlled by regulating the number of amide units in the copolymer. The acrylonitrile-amide copolymer is more sol. than polyacrylonitrile, and the solns. of the hydrolysed prod. can be spun to fibres.
Patent DE-2342180-A1 (DE)
Title: Magnesium chloride powder apparent density increase - by mechanical agitation with heating to cause agglomeration
Inventor: WARD PETER ADRIAN
IPC: C01F5/30
Filed: 1973-08-21
Abstract: The apparent density of MgCl2 powder produced e.G. by spray drying satd. MgCl2 soln.) with an apparent density of 300 kg/m3 and a water content of 2 - 16 wt.%, is increased by mech. agitation of the powder e.g. with a stirrer at 200 - 500 degrees C tocause agglomeration. The product has an apparent density of >600, pref. 700 - 1000, kg/m3 and a particle size of 1 - 10 (esp. 1 - 4) mm. The product is suitable for treatment with HCl gas in fluidised beds to removed hydrolysis products such as MgO and MgOHCl and to dry the product still further, e.g. to 0.2 wt.% water content. The anhydrous material is suitable for the prodn. of Mg metal by electrolysis of molten MgCl2.
Patent DE-2355958-A1 (DE)
Title: Equipment for machine winding material strips - has device for separating wide strip into parallel strips
Inventor: SCHULZE WILHELM
IPC: B65H19/26
Filed: 1973-11-09
Abstract: Equipment for machine winding strips of material especially foil strips on winding spools including a device co-axially pivoting with the winding spool by which the strip at the end of winding cycle is cut and the free end of the strip attached to new spool. Adjoining the strip producing machine is a pivoting, separating device by which the strip leaving the machine is longitudinally separated into a number of parallel narrow strips. The strips, before they are wound on the spool, are tensioned by a device located between the strip separating device and the strip cutting and attaching device and mounted together with a pressing roller in a movable holder by which the pressing roller is continuously kept in contact with the winding spool.
Patent DE-2358908-A1 (DE)
Title: Additional cooling of central heating flue gases - by additional heat exchange surface, and control flap for flue gases
Inventor: MURMANN GUENTER DIPL ING
IPC: F28D21/00
Filed: 1973-11-27
Abstract: Central heating flue gases are additionally cooled before entering the chimney by a heating surface through which heat carrier medium flows and which can be attached to the conventional boiler. Preferably the size of the effective heating surface, the flue gas temp. entering the chimney, and the max. economy can be varied according to the relevant parameters by several outputs on the heat carrier side. A shutoff flap may be built into, and is controlled by, the flue gas flow, and can prevent additional cooling of the heating surfaces by throughflow of air during intermittent working of the burner.
Patent DE-2359190-A1 (DE)
Title: Measuring device, used as pressure gauge - has bourdon tube and display mechanism with toothed segment
Inventor: SCHWAB KARL-LUDWIG
IPC: G01L7/04
Filed: 1973-11-28
Abstract: The toothed segment is connected to the Bourdon tube free end by a thread-like flexible coupling element, consisting of a thin string made of round metal or plastics strands, or of several thin stranded plastics fibre threads; the coupling element ends are fastened to screws at the Bourdon tube end, and on the toothed segment; these screws are made of plastics and are provided with means for locking them in position, and each screw is applied on the thread-like element by injection moulding to give a firmly locked structure which transmits the forces.
Patent DE-2359433-A1 (DE)
Title: Tool for cutting plastics coating on metal tubes - has semicircular cutouts and straight cutting blades on hinged arms
Inventor: BONNERS MATHIAS
IPC: F16L55/00
Filed: 1973-11-29
Abstract: The cutting tool is used by plumbers on fitting hot or cold water metal pipes which are covered with plastics. This plastics coating is used for thermal and sound insulation, but must be stripped in order to make soldered joints or for attaching fittings. The cutting tool ensures that only plastics coating is cut and the metal, usually copper, pipe is not damaged. Solid plastics arms are connected by a large hinge, and arms have semicircular cutouts for different pipe diameters. Straight cutter blades are fastened on the arms so that the cutting edges project into cutouts at the correct depth for cutting plastics coating on the pipes.
Patent DE-2360965-A1 (DE)
Title: Electric mass measuring device and dynamometer - has two strings joined at their ends and pretensioned together by fixed reference force
Inventor: VOOGD A H DE DIPL ING
IPC: G01G3/16
Filed: 1973-12-07
Abstract: A force proportional to the load to be measured is also applied to the strings and an electronic evaluation device is provided which has a numerical display unit. The evaluation device converts the two input frequency signals from the strings into an output signal in accordance with a specified formula, and applies it to the display unit. The ratio of two coefficients in the denominator of the formula is equal to the ratio of sines of angles between the applied force and the directions of the two strings. The angles of the two vibrating strings and the cords transmitting the fixed load and the load to be measured are such that the nodal point is held in a stable position provided that the load to be measured is not too great.
Patent DE-2361969-A1 (DE)
Title: Spinner yarn repair unit - has suction jet moved in three dimensions to thread yarn through traveller
Inventor: HOHLOCH KURT DIPL ING
IPC: D01H15/013
Filed: 1973-12-13
Abstract: The design of a yarn repair unit, to be moved along a spinning or twisting machine to the site of the yarn breakage, has a suction jet which, when it has grasphed the yarn, is moved away from the spindle for a yarn guide bar to press the yarn down while the suction jet is passed under the traveller to be threaded through, when the suction jet is further operated to pass the yarn through the delivery rollers to be joined to the unbroken yarn feed. The system provides a simple method of threading the yarn through the traveller, giving a rapid action in the repair of yarn breakages.
Patent DE-2409360-A1 (DE)
Title: Tape recording for coupling with films - is suitable for use by amateurs and uses perforations in tape to aid in synchronisation
Inventor: LASSMANN GUENTER
IPC: G03B31/04
Filed: 1974-02-27
Abstract: Provision of a sound track for a cine film involves use of a commercial tape recorder which plays a magnetic tape with perforations and is in direct mechanical contact with a projector. The tape recorder supplies the driving force for the film projector and the perforations in the sound track enable synchronisation of the tape with the film for both forward and reverse rotation with possible stops for renewal of synchronisation of both film and tape where necessary. Drive by sound track is taken via a height adjustable sprocket with a fixed gear and chain to another gear fixed to a sprocket driving the film.
Patent DE-2413031-A1 (DE)
Title: Window locking lever system - has spring loaded tube and bolt system actuated by window tilting mechanism
Inventor: WEBER PAUL ING GRAD
IPC: E05D15/52
Filed: 1974-03-19
Abstract: The window locking arrangement has a spring loaded mechanism which is actuated by the window tilting mechanism. The spring loaded mechanism assembly and its guide brackets are held in the window frame. The locking bracket is actuated by an actuating bolt, and the guide tube is firmly connected with the locking bracket and this tube is held in the housing. The locking assembly is fitted on the window so that the bracket is held between the window frames and the guide table centre is aligned with the centre of the tilting mechanism rod. On actuating the tilting mechanism the actuating rod is pushed into the guide tube and this rod is pushed into contact with the tilting mechanism rod and the actuating rod is then locked by the bolt. This lock cannot be opened from outside and no separate actuating elements are required.