baber/WOPTO huggingface dataset:
Patent DE-1937150-A1 (DE)
Title: Welding process and apptus
Inventor: DOUGLAS BRAID MURRAY
IPC: B23K20/12
Filed: 1969-07-22
Abstract: Appts. comprises movable clamps to position valve stems in coaxial relation, a rotatable spindle between and coaxial with the stem, electrically conductive clamps to support pair of valve tips in alignment with stems. Stemsare rotated and pressure is applied to valve stem heads to engage stems with tips at variable contact pressure. Weld current energises movable clamps and electric current passes through valve tips and stem in series. Rotation of stems is terminated when joint between tip and stem has reached welding temperature. Valve stem piece may be held by spindle between stems and bisected after piece has been welded to stem. Spindle may comprise two elements between which cutter moves when bisecting valve stem piece.
Patent DE-1965477-A1 (DE)
Title: Aminoalkyl alkylenimines by dimerization ofalkylenimines
Inventor: DOUGLAS YOUNG JOHN
IPC: C07D203/12
Filed: 1969-12-30
Abstract: An alkylenimine esp. aziridine is dimerised by heating at 90-130 degrees C and 2-273 atmos. in an inert atm. in an inert solvent e.g. PhH, NEt3 in the presence of up 1-5% K salt of an alkylenimine opt. generated in situ.
Patent DE-1967138-A1 (DE)
Title: Hypolipaemic agents with reduced effect on glucose tolerance - contg. nicotinic acid and a biguanide nicotinate
Inventor: RICHTER HELMER DR-ING
IPC: A61K31/455
Filed: 1969-07-17
Abstract: New therapeutic agents contain (a) nicotinates of biguanides of the formula: R1R2N-C(=NH)-NH-C(=NH)-NH2 (I) (where R1 is 1-5C alkyl or beta-phenethyl in which aromatic gp. is opt. substd. by lower alkyl or halogen; and R2 is H or lower alkyl) in combination with (b) nocitinic acid or salt. Agents are useful in the treatment of atherosclerotic disorders such as coronary sclerosis, cerebral cerebral sclerosis and peripheral circulatory disorders. (I) improve glucose tolerance and potentiate the hypolipaemic activity of nicotinic acid. (I) do not alter type of hyperlipaemias, i.e. the LDL does not increase into the pathological range. In an example phenformin (I; R1 = phenethyl; R2 = H) dinicotinae and magnesium nicotinate are administered parenterally with redistilled water.
Patent DE-2017634-A1 (DE)
Title: Flameproofing synthetic textiles with haloalcohols sulphamic acid - partial ester salts
IPC: D06M11/66
Filed: 1970-04-13
Abstract: Water-soluble salts of partial esters of haloalcohols are prepd. by reacting halogenated >3 C alcohols with sulphamic acid in the presence of an inert reaction medium and advantageously a reaction accelerator, such as urea, at 110-140 degrees C. They are used a flame-proofing agents for synthetic fibre textiles, and are pref. applied by impregnating textiles with aqs. bath thereof, opt. contg. an agent to prevent blooming, such as a polyglycol.
Patent DE-2024285-A1 (DE)
Title: Welding current feed - to close the circuit when full - welding pressure is exerted
IPC: B23K11/31
Filed: 1970-05-19
Abstract: The welding current circuit for a pressure welding system uses a pressure by-pass system to operate a contact piston when the welding piston has completed its closing movement to bring the electrode in contact with the workpiece. The contact piston overcomes a return spring to force contact blocks against contact cheeks, allowing current to flow as long as welding pressure is maintained. The method replaces complex cables, and unreliable contact strips.
Patent DE-2051952-A1 (DE)
Title: Manufacturing process for a heat insulating - pipe
IPC: F16L59/06
Filed: 1970-10-22
Abstract: The heat insulating pipe has a synthetic foam resin layer between the outer and inner pipe wall whereby the resin is injected in the gap between the walls, this gap is maintained at a uniform size, the resin is foamed in situ to provide the insulating layer.
Patent DE-2062850-A1 (DE)
Title: Non-woven fabric dyeing - by adding water-sol reduced dye to binder and oxidising on fibre
IPC: D06P3/82
Filed: 1970-12-21
Abstract: Bonded non-woven fabrics, e.g. random webs, are dyed in deep, esp. dark shades, fast to rubbing, by admixing binder with a water-soluble dye in its reduced form and with affinity to fibre(s), and oxidising the dye after it is drawn on the fibre. Pref. binder may be worked into foam by N2, e.g. in Oakes mixer, followed by addn. of water-soluble dye in its reduced form and subsequent oxidation of dye drawn on fibres.
Patent DE-2108221-A1 (DE)
Title: Interchangeable tyre-surface linings - eliminating need for replacement of whole outer cover
IPC: B60C11/02
Filed: 1971-02-20
Abstract: The outer lining is held in position mechanically by incorporating flexible steel rings of smaller dia. than the carcase. These rings have a lug-shaped section at their ends, which fits into a groove in the carcase.
Patent DE-2111761-A1 (DE)
Title: Porous mass - to absorb a compressed dissolved gas eg acetylene
Inventor: BRENIK VACLAV DIPL-CHEM
IPC: C10C3/04
Filed: 1971-03-11
Abstract: The mass is made by mixing inorg. (e.g. calcium silicate or asbestos) and org. (e.g. polyethylene, PVC, polycaprolactam, polyurethane, melamine resins, PF resins or polyesters) component together, foaming the mixt in a container and hardening the foam by heat-treatment pref. in the presence of oxygen during the course of which the org. component is decomposed or burnt off.
Patent DE-2124277-A1 (DE)
Title: Centrifugally moulding chocolate shell inplastic wrapper
IPC: A23G3/02
Filed: 1971-05-15
Abstract: Hollow chocolate shells are centrifugally moulded using, as the mould, a foil sheet contg. recesses and serving also as wrapper for the finished shell. Method reduces production time and permits moulding of thinner shells.
Patent DE-2125276-A1 (DE)
Title: Reinforced ptfe composite sheet mfr - by shearing through friction-producing converging surfaces
IPC: H01B7/08
Filed: 1971-05-21
Abstract: A method of making reinforced composite polymer sheets, esp. reinforced PTFE; e.g. for friction bearings, is carried out by joining together the PTFE sheet and the reinforcing layer by bringing the two layers into surface contact and pressing them together between friction producing surfaces which converge to produce a narrowing gap; the PTFE sheet is thus drawn through the gap and made thinner, sheared and forced into intimate contact with the reinforcement. This produces molecular bonds in the material without involving valency electrons, e.g. of the Van der Waal bonding force type, and produces a quasi-homogeneous structure of large polymer molecules.
Patent DE-2142337-A1 (DE)
Title: Bitumen based binders - of increased adhesion to concrete stone/cardboard
Inventor: DEUTZMANN GEB GLEISSNER KATHAR
IPC: C08K5/00
Filed: 1971-08-24
Abstract: The binders have greater adhesion to concrete, stone or cardboard, esp. when it is in a moist condition when they are mixed amine or/and amides and an acid. The binders can also contain tar oil and can be based on bitumen and/or casting or coking tar.
Patent DE-2207682-A1 (DE)
Title: Hair dye - contains oxidn dyes with a thiourea deriv - reducer and complexer for better stability
Inventor: SCHRADER DIETER
IPC: A61K8/42
Filed: 1972-02-18
Abstract: Human hair is dyed with oxidn dyes and additives by treatment at 10-40 degrees C with solns, emulsions or creams contg 0.05-2 wt.% of a thiourea deriv of formula: (where R is H or 1-4C alkyl) with 0.1-3% of a reducer (thioglycolic acid in water soluble salt form) and 0.1-2% of an org. complexer (EDTA insol salt form). An example of (I) is thiourea dioxide. Use of (I) with the reducer allows fuller and more uniform colour development and prevents precolouration of the mixt.
Patent DE-2210884-A1 (DE)
Title: 4,5-bis-trifluoromethylimino-heterocycles - with fungicidal, insecticidal and acaricidal activity
Inventor: SCHOLL HANS-JOACHIM DR
IPC: C07D487/04
Filed: 1972-03-07
Abstract: derivs of S-free 5-membered heterocycles with 2 ring hetero atoms, are produced by reacting a cpd. of formula (I): (where X and Y are O, -NR3- or -NR4- X and Y not both being O, Z is O, R-N= or R1R2C=, and R, R1, R2, R3 and R4 are H, is not >8C alkyl, alkenyl or alkynyl opt. subst, by halogen, CN, lower alkoxy or lower alkylmercapto, opt. lower alkyl, substd cycloalkyl, carbalkoxy, (is not >14C aryl)-(is not >2C alkyl) opt. subst. in the aryl residue by halogen, CN, NO2, lower alkyl, haloalkyl, lower alkoxy or alkylmercapto, or 5- to 7-membered heterocyclyl, and Z can be linked with X or Y to form a 5- to 7-membered ring (the heterocycles opt. being fused with an opt. partially hydrogenated benzene ring and opt. substd. by halogen, CN, NO2 or lower alkyl)) with the cpd. CF3-NH-CF2-CF2-NH-CF3 in the presence of an HF-acceptor (pref. an alkali fluoride) at -50 to +100 degrees C.
Patent DE-2228785-A1 (DE)
Title: Tanker filling valve - permits small initial flow followed by larger flow
Inventor: THOMSON JOHN GALL
IPC: F16K17/00
Filed: 1972-06-13
Abstract: A valve for regulating the flow of a liquid into a vessel, esp. when filling tankers with inflammable liquids such as petroleum, comprises a main valve which regulates the liquid flow and is biassed pref. spring biassed, to a normal position which may be a throttling or full closures position; a small bypass line leads from the upstream side of the main valve into a chamber of the main valve where it actuates a device, e.g., a piston, which urges the main valve away from the biassed position to open it; an additional auxiliary valve is also biassed, pref. spring biassed into a position where it obstructs the flow through this bypass line to the chamber of the main valve; this auxiliary valve can be urged away from its closed position by a change in pressure in the vessel which is being filled caused by a rise of liquid in that vessel. The change in pressure which actuates the auxiliary valve and thus results in the main valve becoming fully opened, takes place as the end of the filler pipe becomes submerged, when there is no longer a fire risk from an electrostatically generated spark.
Patent DE-2232764-A1 (DE)
Title: Heat exchanger - having rotor with permeable periphery through which liquid and gas both flow
Inventor: KATZ PHILIPP DR
IPC: F28C3/06
Filed: 1972-07-04
Abstract: Appts. comprises a fan-like rotor fitted with a closed ring of permeable (to both liquid and gas) material, instead of fan blades. The gas and liquid both flow simultaneously through this ring. The ring is pref. constituted of a plastics mat or plastics yarn, of metal wool, ceramics or sintered materials.
Patent DE-2259426-A1 (DE)
Title: Warp knitting yarn reciprocating guide - with deflecting roller to maintain correct yarn length to oscillating guide needle
IPC: D04B27/26
Filed: 1972-12-05
Abstract: The roller lever, rocking on a pivot supports the warp yarn in its passage to the guide needle, the reciprocating motion being synchronised with the oscillation of the guide needle, the pivot being offset from the guide arm, to alloq a fixed deflecting roller to hold the warp yarn in a constant plane relative to the centre of the pivot, to retain a correct proportional length throughout its passage, and to reduce wear on the pivot bearing of the support mechanism.
Patent DE-2328010-A1 (DE)
Title: Gunpowder using peat charcoal as carbon source - has improved explosive power and shorter burning time
Inventor: HINTZE WOLDEMAR DIPL ING DR
IPC: C06B31/04
Filed: 1973-06-01
Abstract: The peat charcoal is prepd. by low temp. (350-650 degrees C.) carbonisation in the absence of air from various peats and is designated as peat coke. Fibrous peat is preferred, although bituminous peat or sphagnum peat can be used, providing that the charcoal obtd. has 70-95% carbon, less than 5% ash and a particle size less than 0.1 mm. The gunpowder made from this product can be used in all branches of pyrotechnics.
Patent DE-2331829-A1 (DE)
Title: Water-in-oil resin dispersions - contg. unsatd. polyester resin derived from sec. polyol or prim. polyol with tert. or quat. carbon atoms
Inventor: STAHL DIETER
IPC: C08F299/04
Filed: 1973-06-22
Abstract: Water - in - oil resin dispersions for use in the building industry esp. for prodn. of mortar or for building panels with stable shape and good thermal insulation, contain an unsatd. polyester resin dissolved in a polymerisable monomer, and a long chain dispersing agent. >=50 equiv. % of the alcohol component of the unsatd. polyester resin consists of (a) a pure polyol, and/or (b) a prim. polyol with CH2OH gps. bonded to tert. or quaternary C atoms. Amino silane is used as adhesion promoter.
Patent DE-2332891-A1 (DE)
Title: Improved signal to noise ratio for rectangular pulses - has marker pulses at start and end of each main pulse identified by characteristic width
Inventor: MIERBACH WALTER
IPC: G01R29/26
Filed: 1973-06-28
Abstract: The filter is for the improvement of the signal to noise ratio when measuring rectangular pulses, with the generation of a subsidiary pulse of brief duration at the start and the end of each of the pulses to be measured, these pulses then being separated according to their sign to define the start and end of the main pulses after passing through detector filters tuned to the fixed pulse length of the subsidiary pulses.
Patent DE-2334482-A1 (DE)
Title: Colour printing yarn sheets - for producing dyed multicolour yarns
Inventor: BACRO BRUNO
IPC: D06B11/00
Filed: 1973-07-06
Abstract: Printing of a yarn sheet by assembling a number of separate yarns from a yarn feed station to form a bundle and depositing this in the form of a sheet on a conveyor, then depositing a colouring agent on the sheet and passing the now printed sheet and its conveyor into a drying and colour-fixing unit and finally collecting the dried and printed yarns. Pref. various colour effects are produced on the yarns by the selective deposition of a series of colouring agents.
Patent DE-2336657-A1 (DE)
Title: Door hinge pin enclosed at both ends by adjustable stops - is used in conjunction with helically guided hinges
Inventor: LAUB SIEGFRIED
IPC: E05D7/00
Filed: 1973-07-19
Abstract: The hinge assembly has two halves with cylindrical seats for the hinge pin. A hinge cylinder has a tapped end for inserting a locking plug. The hinge pin has spherical ends and connects two hinge halves. The lower and upper free ends of the hinge assembly are closed by threaded plugs which have spherical ends. These spherical ends contact the spherical ends of the hinge pin. The open ends of the tapped holes are closed with screws whose heads seal the opening. Spherical contact ends ensure low friction in the hinge. The end plugs are used to adjust the hinge pin to the required position. The pin with spherical ends allows the hinge assembly to carry out vertical movements freely. Hence only one guiding hinge need be used.
Patent DE-2341934-A1 (DE)
Title: Plastics cap for collapsible tube - eliminating need for unscrewing and re-screwing for release of contents
Inventor: BUETTLE KURT
IPC: B65D47/20
Filed: 1973-08-20
Abstract: A tube closure comprises a highly elastics thermoplastics material and is provided with >=1 pref. radially extending slot incision(s) which is/are firmly closed in the absence of pressure but open when pressure is exerted on the tube to release the contents. The thermoplastics has a Shore-A hardness 30-50, pref. 35-45. There is no need to unscrew and re-screw the closure and the tube may be operated with one hand. The closure may have a rim or flange to fit onto the neck of the tube. Suitable materials for the closure include silicone or nitrile rubbers (which may be cross-linked) or an EP copolymer.
Patent DE-2351752-A1 (DE)
Title: Energy absorbing car bumper - with pneumatically inflated styled cushion between bumper bar and car
Inventor: ZIMMER HORST
IPC: B60R19/20
Filed: 1973-09-24
Abstract: The front of the chasis is formed with a transverse, profiled groove to locate an inflated, shaped tube. The outer edge of the tube is fitted into the profiled bumper strip which also serves as a reinforcing layer. The tube is fitted with pressure control valves and during a small impact the release of the air is controlled to absorb the impact force. After the force is removed the air is drawn in again to reset the system. The bumper protects the car from small impacts without requiring any attention. The resilient tube is of rubber or synthetic plastics.
Patent DE-2356299-A1 (DE)
Title: Pressure vessel for cleaning petrol tank separator - is vehicle mounted and has chain driven locking gear
Inventor: LAMPROPOLUS DIMITRIOS
IPC: F16J13/02
Filed: 1973-11-10
Abstract: A cylindrical pressure vessel has a cover at the end which is pivoted to a cylinder by a hinge disposed at one point on the periphery of the cylinder and which is closable by means of a hydraulic ram connected to the cylinder and working on the cover by a lever attached to the hinge. The cover is locked in position against a ring seal by four symmetrically disposed locks located around the periphery of the cover. Each lock comprises a latch with a transverse peg which engages in corresponding recesses in two plates attached to the cover. Axial tensioning movement of the latches is achieved by the hydraulic motor which rotates a chain around the cylinder the chain engaging a respective threaded drive for each lock which draws the latches into engagement via fork ends pinned to the cylinder end of each latch.
Patent DE-2360307-A1 (DE)
Title: D.C. control cct for anti-parallel currents - uses potentiometer with slider coupled to D.C. voltage source pole via series resistor
Inventor: AFSAR ERDAL DIPL ING
IPC: H03G1/00
Filed: 1973-12-04
Abstract: The control circuit is intended for high frequency damping circuits as specified in 2330025, for antiparallel control of two currents, flowing each through a diode, where the product of the direct currents in two parallel diode paths is kept approximately constant. To vary the position of the damping band the present modification provides for the addition of a constant such that the current through the resistance and diode in each path has a specified value. This may be achieved by adding a parallel resistive element with a specified coefficient. The resistance values may be dependent on given relations. PiN diodes are preferably used.
Patent DE-2361629-A1 (DE)
Title: Foldable container with or without cover - has opposite walls locating bolts mounted in slots of bottom frame
Inventor: ZARGES WALTHER DIPL ING
IPC: B65D6/24
Filed: 1973-12-11
Abstract: The foldable container with or without cover includes at the bottom end of at least two opposite sides slot shaped openings in each of which is located a bolt pivotably joining the walls with botom frame of the container. The slots are of equal length on opposite sides of the container with their bottom part positioned some distance away from the container bottom, and their length greater than the diameter of the bolt in order to allow for movement of the bolt when the sides are lowered on top of each other. The sides are held in a vertical position by a projection of the bottom frame and two spaced apart projections on each wall.
Patent DE-2361867-A1 (DE)
Title: Vanadium sludge from alumina ore processing liquor - impurities reduced by preliminary crystallisation step at intermediate temperature
Inventor: NASYROW GAKIF SAKIROWITSCH
IPC: C01G31/00
Filed: 1973-12-12
Abstract: The liquor resulting from treatment of alumina ores with caustic alkali solution is cooled to 40-65 degrees C and held until a precipitate is formed; the latter is separated and the liquor further cooled to 20-30 degrees C to precipitate vanadium sludge. PRef. the liquor is diluted after separation of the first precipitate. The initial precipitation partially removes impurities, partic. Na2SO4, K2SO4, Na2CO3 and NaF thereby increasing the concentration of vanadium in the final sludge and facilitating its recovery. Furthermore the presence of sparingly soluble vanadium salts in the sludge is minimised.
Patent DE-2364633-A1 (DE)
Title: Developer for silver salt diffusion transfer process - contains N-substd N-tetrahydrofurfuryl hydroxylamines for solubility in aq alkaline soln. giving dense high contrasting images
Inventor: HAYASHI KATSUMI
IPC: C07D307/22
Filed: 1973-12-24
Abstract: The developer contains an alkali, a Ag halide solvent and a cpd (I) of general formula: (in which R is alkyl, alkoxy (alkoxy)- alkyl. alkenyl or tetrahydrofurfuryl) Pref. R has 1-4c and is Me, Et, Pr, Bu, MeOCH2, EtOCH2, MeOCH2CH2 EtOCG2CH2, MeOCH2OCH2, MeOCH2OCH2CH2, CH2:CHCH2 or tetrahydrofurfuryl. (I) is used in a concn of 0.5-35 (2-15) wt. %. Dense images with good gradation can be produced. (I) is prepd by treating a mixt of the corresp. N-tetrahydrofurfurylamine and water with 35% aq. N2O2 soln, heating to 45-50 degrees C stirring 2 hr. and then isolating (I).
Patent DE-2402269-A1 (DE)
Title: Red-luminescent material for colour television tubes - europium-activated yttrium oxide obtd. by calcining pptd oxalates
Inventor: BOLZ BRUNO
IPC: C09K11/77
Filed: 1974-01-18
Abstract: This process is for making a luminescent material based on rare earth metal oxides for colour television tubes, esp. a red-emitting, europium-activated yttrium oxide, where the corresponding mixed oxalates are pptd. by adding oxalic acid to an aq. HNO3 soln. of the oxides, the oxalates then being calcined at 600-1500 degrees C. to form the luminescent material. The novelty is that the mixed oxalates are pptd. by adding either (a) solid, crystalline oxalic acid; or (b) hot, esp. at min. 70 degrees C., highly conc. aq. oxalic acid soln.; and that no flux is added during calcining. Using (a), the pref. calcining temp. is 800-1500 degrees C. and with (b) 900-1350 degrees C. Pptn. is pref. undertaken in a vol. below 10 1/kg and the ppte. held 4-6 days in the mother liq. before calcining. Eliminates the use of fluxes for calcining, which cause agglomeration of the oxides and also form undesirable films on the oxide particles.
Patent DE-2404469-A1 (DE)
Title: Dental X-ray switching unit - has a key for each tooth giving the correct radiation dose time and angle to horizontal
Inventor: ROSENFELDT WOLFGANG
IPC: A61B6/14
Filed: 1974-01-31
Abstract: The electronic-X-ray switching appts. for dental use has a time switch to limit the radiation dose and an indicator for the adjusted angle to the horizontal. For preselection of the dose and indicating the angle, a key-plate is used, which has a key for each different tooth of the bite, in a natural sequence. Preferably sensor keys are used. The angle is indicated by illuminating one of the actuated keys associated semiconductor diode or lamp. The release switch for the radiation is within the x-ray apparatus or can be separated from it. Liability to repair is reduced to a minimum, and visibility of the scale is improved.
Patent DE-2406271-A1 (DE)
Title: Mounting assemblies in railway rolling stock underframe - with auxiliary frame elastically suspended and whole stabilised by support engaging underframe
Inventor: PLENKER HERMANN
IPC: B61C17/00
Filed: 1974-02-09
Abstract: The device avoids the transmission of oscillation to the vehicle body. the assembly is suspended by means of length-adjustable bearer members, able to accommodate tension and pressure forces, with an auxiliary frame elastically interposed. The whole entity, comprising assembly and auxiliary frame, is stabilised by means of one or more support devices which engage on the underframe, and which are effective against any longitudinally or transverse forces that occur, as well as against torsional moment forces. The support device may incorporate a length-adjustable tension and pressure rod, set across the line of travel and engaging on the auxiliary frame and on a longitudinal bearer.