baber/WOPTO huggingface dataset:
Patent DE-2160513-A1 (DE)
Title: Unit building system - with pvc cover plates inserted in plastic profile rods and current profiles
Inventor: WALLOCH WILLFRIED H L
IPC: F16B5/00
Filed: 1971-12-07
Abstract: Unit building system has PVC cover plates inserted in plastic profile rods and current profiles, the plates being square and having two grooves on their edges so that the plates can be fitted together after mounting the profiled rods. The plates passess different stamped shapes and have a central opening through which a light source can be projected and air can circulate. Plastic door hinges can be fitted into the gripped firmly by the profile rods and streamline profiles. The current profiles passess outer contact grooves arranged in pairs, two contact pins, and two guide sockets on the core for plugs or lamp bulbs. The grooves, contact pins and guide sockets are connected by a current conductor.
Patent DE-2231335-A1 (DE)
Title: Elastomeric yarn-like product - knitted on two or more machine needles
Inventor: ARENZ GERD
IPC: D02G3/32
Filed: 1972-06-27
Abstract: A highly elastic yarn-like product, suited for use where it is worked intermittently as in automatic stocking machines for the elastic top, has a two or more needle stitch structure comprising a folded yarn. It is knitted under variable tension from >=1 elastomeric yarn and >=1, pref. texturised synthetic yarn of continuous filaments or of spun staple. Depending upon its structure it has an elasticity up to 400% and is very bulky in the unstretched condition.
Patent DE-2237185-A1 (DE)
Title: Isobutylene sepn - from a butane-butylene fraction by reaction with a phenol then decomposition
Inventor: LIAKUMOWITSCH ALEXANDR GRIGORJ
IPC: C07C7/148
Filed: 1972-07-28
Abstract: Fraction is treated with phenol or an alkylphenol in the presence of 0.5 wt.% (w.r.t. phenol) of aluminium, an alkylaluminium, or aluminium phenhydroxide at 100-160 degrees C and 2-30 atm. absolute and the product decomposed at 180-240 degrees C using the same catalyst, the isobutylene being separated and the (alkyl)phenol and undecomposed mono- or di-t-Bu)phenol recycled. Isobutylene is used to produce synthetic rubber, isoprene, resins and lube oils.
Patent DE-2237906-A1 (DE)
Title: Synthetic wollastonite - by calcining crude calciferous and siliceous material in rotary furnace
Inventor: WUHRER JOSEF DIPL CHEM DR
IPC: C04B35/22
Filed: 1972-08-02
Abstract: Mixt. of (1) crude calciferous material at least 50% of which is quicklime, and (2) crude silicious material being crushed quartzitic sand in a stoichiometric excess of 5-10% over (1) is calcined at above 1400 degrees C. At least 90% of the particles in the mixture are 0.09 mm in size, and the impurities in the mixture or in the final product consist of: less than 1% in total of oxides of Al and Fe, and less than 0.1% alkalis; the mixt. being introduced into the furnace without having been formed into briquettes or granules and without the addition of binders. Advantages are regular functioning of the furnace without formation of scale; precompaction unnecessary; dicalcium silicate undetectable.
Patent DE-2250494-A1 (DE)
Title: Monovinylacetylene prepn from acetylene - in presence of alkali salt of basic N cpd and acid gp contg cpd
Inventor: OHORODNIK ALEXANDER DIPL CHEM
IPC: C07C2/38
Filed: 1972-10-14
Abstract: In prepn. of monovinylacetylene (I) by leading acetylene at 40-100 degrees C and 0.01-10 atmos. into an aq. HCl soln. of CaCl of Nieuwland catalyst type, the soln. contains a cpd. (II) contg. >=1 acid and >=1 basic N-contg. gp. as its alkali metal salt. Presence of (I) increases yield without causing difficulties of sepg. products.
Patent DE-2261789-A1 (DE)
Title: Tin-nickel alloy for thin layer coating - is rich in tin, and suitable for preventing fretting corrosion of coupled pts, esp plain bearing races
Inventor: ROEMER ERICH DIPL-PHYS DR
IPC: F16C33/12
Filed: 1972-12-16
Abstract: Fretting corrosion of contact surfaces of coupled pts. undergoing alternating stress, esp. plain bearing races, is prevented by coating >=1 of surfaces at risk with a pref. 0.003-0.005 mm thick layer of Ni-Sn alloy contg. >50% Sn, esp. 70% Sn and 30% Ni. Layers may be applied to all sides, which is esp. advantageous on passing mass-produced articles through electroplating baths, and also act as substrates for subsequently applied electrodeposited layers.
Patent DE-2263034-A1 (DE)
Title: Dyeable polypivalolactone - contg. low-molecular polypivalolactone with sulphoalkyl
Inventor: SHIMOSAKA YUKIO
IPC: C08L67/00
Filed: 1972-12-22
Abstract: A polypivalolactone compsn. with improved dyeability consists of a mixt. of (I) a polypivalolactone with low mol. wt. inherent viscosity of 0.05-0.5 and a gp. of formula -R-SO3Y, where R is a 2-10C alkylene gp. and Y is H or a monovalent (in)org. cation, and (II) a polypivalolactone of high mol. wt. The compsn. is esp. easily dyed with basic dyes and is suitable for melt-spinning. The compsn. can be formed into threads films and other shaped prods.
Patent DE-2302386-A1 (DE)
Title: 4'-(2-hydroxy-3-isopropylaminopropoxy)-acetanilide prepn - - from para-acetamidophenolates, halohydrins or epoxides
Inventor: TENHOSAARI AARNI
IPC: C07C233/00
Filed: 1973-01-18
Abstract: 41-(2-Hydroxy-3-isopropylaminopropoxy)-acetanilide) (i.e. practolol), a known beta-adrenergic blocking agent, is produced economically and in good yield and purity by reacting an alkali salt of p-acetamidophenol with 1-(chloro- or bromo)-2-hydroxy-3-isopropylaminopropane or with 1,2-epoxy-3-isopropylaminopropane in a suitable solvent. The reaction is pref. carried out at room temp. in water and/or a water-miscible solvent, and practolol can be isolated by e.g., saturating the reaction mixture with K2CO3 and extracting with a solvent such as CHCl3.
Patent DE-2311504-A1 (DE)
Title: Water sterilization by anodic oxidation - using direct current and square alternating current pulses
Inventor: SEUBERT BERNHARD
IPC: A61B19/00
Filed: 1973-03-08
Abstract: Sterilisation system for water and solns. in water supply, pharmaceutical, chemical and food ind. disinfects the fluid by anodic oxidn. in a direct electrode process through d.c. to which a pulsating a.c. voltage is superimposed to prevent the adsorption of surface-active accessories on the electrodes. One of the electrodes (anode) can be replaced by the conductive container; if one electrode consists of high-resistance material, potentials >500 V for d.c. and a.c. can be applied. Use of caustic or toxic chemicals, and heating, is obviated.
Patent DE-2312165-A1 (DE)
Title: Direct condensn. of steam in water - without causing shock waves eg for blow-off steam from boiling water reactors
Inventor: GOLDSTERN WALTER
IPC: F28B9/02
Filed: 1973-03-12
Abstract: In a steam condensing appts, in which the steam is passed through >=1 vertical steam pipe of a liq. receiver, the horizontally closed end of the distributor forming the outlet end of the steam pipe is provided on its side wall with a number of slit-type outlet orifices through which flow takes place at an angle to the vertical, and the pipe including its outlet end, is surrounded by a sleeve pipe of suitable geometrical form forming an annular zone and with an extension at the outlet end.
Patent DE-2320537-A1 (DE)
Title: Removal of sulphur dioxide from gas mixts - by catalytic oxidation in active carbon bed to form conc. sulphuric acid
Inventor: STORP KLAUS DR
IPC: B01D53/86
Filed: 1973-04-21
Abstract: Gases having relatively low SO2 content (1 vol.%) such as combustion gases or gases from sulphuric acid plants, are proetically completely freed of SO2 by adjusting their relative humidity to 35-90% and passing them through a solid carbon bed having a BET surface area exceeding 1000 m2/g a micropore vol. of 0.5-0.7 cm3/g., a macropore vol. of 0.45-0.60 cm3/g., and a hydrophobia quotient of 1.5-2.5. The contact time is pref. >8 secs. The resulting sulphuric acid has high concn. (40-60%). There is no need to regenerate the catalyst.
Patent DE-2322786-A1 (DE)
Title: Manual disperser for adhesive tapes - with grip for easy manipulation
Inventor: ENSSLIN LUDWIG
IPC: B65H35/00
Filed: 1973-05-05
Abstract: A pear-shaped handle has a top face conveniently formed for pressure to be applied by the thumb, a slit through which tape is fed, a pressure roller and an adjustable cutting blade. The tape is drawn through the slit, any cover is stripped off the leading edge, and the tape is applied to an article by easy pressure while the dispenser is held in a natural posn. The tape is cut to desired length by the blade.
Patent DE-2323864-A1 (DE)
Title: Open-end spinning loosening roller - fitted with grooves within toothed surface structure for loosening sliver fibres
Inventor: ECKHARDT FRIEDRICH
IPC: D01H4/32
Filed: 1973-05-11
Abstract: The loosening roller incorporates grooves with a depth from the base of the toothed surface between 1/10 and 1/5 of the roller dia., and a width between 1/3 - 1/2 of the groove depth. The purpose is to prevent loose fibres and dust from building up in the gap between the loosening roller and the housing, without requiring an additional air supply from outside to keep the gap clear.
Patent DE-2351358-A1 (DE)
Title: Charge shift arrangement using charge coupled device principle - has conducting paths in gaps between electrodes on insulating layer
Inventor: GOSER KARL DR
IPC: H01L29/423
Filed: 1973-10-12
Abstract: The charge shaft arrangement permits higher packing densities than have been attained hitherto and does not require the high temperature applications necessary in other manufacturing techniques. To a substrate, pref. of silicon, is applied a first electrically insulating layer, pref. of silicon dioxide. On this layer the conducting paths and electrodes are applied, these pref. comprising aluminium, wolfram, chrome, molybdenum or silicon, the paths being in the gaps shift chains of electrodes. A second insulating layer, pref. of silicon dioxide or aluminium trioxide is applied, with apertures for control leads to the electrodes.
Patent DE-2359125-A1 (DE)
Title: Circuit for logic coupling of alternating type input signals - has transistor in blocking oscillator doped such that input polarity is opposite to carriers
Inventor: LOTZ ALFRED
IPC: H03K19/007
Filed: 1973-11-24
Abstract: Circuit which prevents error in a logic connection of alternating voltage type input signals to a similar type output signal. The input signals are fed to separate input transformers (1, 2) with rectifier circuits (3, 4) in the secondaries. The rectified signals are used to drive a transistorised blocking oscillator with feedback transformer (6). The pulse voltages of the blocking oscillator are fed to an amplifier stage (7) in the secondary of the feedback transformer. The doping of the transistor (5) used in the oscillator is such that the battery voltage generating the input signal will always have the opposite polarity required to produce the drive for the oscillator.
Patent DE-2360711-A1 (DE)
Title: Medicaments for controlling calcium depositon or dissolution - contg aminoalkane-phosphonic acids
Inventor: WORMS KARL-HEINZ DIPL CHEM DR
IPC: C02F5/14
Filed: 1973-12-06
Abstract: Medicaments for controlling the deposition or dissolution of sparingly soluble Ca salts contain a phosphonic acid of formula (I): (where X is -NR2R3, -NR2-(CH2)n-NR3-CRR1-PO3H2; R and R1 are H or 1-3C alkyl; R2 and R3 are -CRR1PO3H2, -CH2- COOH, -CH2CH2OH or -CH2CH(OH)CH3; n = 2-8) or a water-soluble salt thereof. The medicaments can be used for the treatment or prophylaxis of disorders of the calcium or phosphate metabolism associated with excessive Ca phosphonate deposition (arthritis and other inflammatory diseases, myosotis ossificans, Bechtereis's disease, arteriosclerosis, kidney stones, gall stones, etc.) or with abnormal dissolution of bone substance (hypophosphatasia, osteoporosis, Paget's disease etc.).
Patent DE-2364909-A1 (DE)
Title: Locking brake for trolley - with hinged lever pressing two vertical struts to the ground over dead point setting
Inventor: CORDES WERNER
IPC: B62B5/04
Filed: 1973-12-28
Abstract: The trolley comprises a rear wall, and two side walls hinged on a base board complete with castors. It can be folded for easy storage and has the fourth side fitted with a simple brake. This has two vertical tubes fitted to the side of the board to locate two vertical struts linked by a horizontal cross piece and fitted with brake pads at the bottom. The cross piece is linked to a control lever by a lug eccentrically pivotted on the leverage. The brake can be fitted to a spring loaded push bar which automatically applies the brake when the operator has stopped pushing, or it can be fitted to a foot operated, or hand operated brake lever which moves over a dead point to apply the brakes.
Patent DE-2404675-A1 (DE)
Title: Pile carpet washing unit - with single access port at top of vertical bath for fabric to enter and emerge
IPC: D06C7/00
Filed: 1974-02-01
Abstract: A hot washing, or other fluid treatment process is applied to pile carpeting fabrics by an appts. having a gap under a vertical bath for the the carpeting to pass under and up to enter the bath, and be drawn out through the same access port. The system allows carpeting with thermoplastic pile yarns to be given the required finishing process protecting the pile surface structure, in a unit which occupies little horizontal space.
Patent DE-2406835-A1 (DE)
Title: Vehicle pneumatic suspension element - with opposingly operating elastic elements linked by throttle valves for damping action
Inventor: GOLD HENNING
IPC: B60G15/12
Filed: 1974-02-13
Abstract: The pneumatic suspension has a main suspension element formed by an elastic cylinder filled with gas. A second, smaller cylinder is mounted at the top end of the suspension andis linked to the main element by control flow valves. The main element supports the weight of the car while the second element provides the damping volume during compression/expansion of the suspension. The two elements can be mounted coaxially, or side-by-side, with a linking line in the latter case. The gas pressure in the system can be regulated w.r.t. vehicle loading to alter the suspension characteristics over a wide range of conditions.
Patent DE-2412052-A1 (DE)
Title: Camera taking three partial colour pictures per object - is for producing colour prints and multi-colour xerographic copies
Inventor: GRASER HARALD DR
IPC: G03B33/00
Filed: 1974-03-11
Abstract: The camera for separating the primary colours of an object comprises a single objective lens, semi-light-transmitting and ordinary mirrors, and a black and white film with a series of three fields which are each sensitised to red, green and blue respectively. Guide walls are inserted between three light paths, consisting partially of the semi-light-transmitting mirrors, at the points where the light passing through the objective lens is deflected onto both side paths. The system is applicable to multi-coloured xerographic copies.
Patent DE-2412229-A1 (DE)
Title: Capacitor prodn. using ceramic chip - uses treatment of uncut chips to provide electrode free path symmetrical to cutting rims
Inventor: BERGMANN MICHAEL
IPC: H01G4/01
Filed: 1974-03-14
Abstract: The capacitor manufacturing process is based on a ceramic wafer which is coated on two opposite surfaces with electrode material. The uncut ceramic wafer is subjected to treatment, resulting in producing a path free of electrode material at least on one surface, the path being symmetrical to the cutting edges provided for dividing the wafer into individual capacitors. The manufacturing process provides capacitors whose edges are free of smears of electrode material or other impurities. When the path, free of electrode material is cut through in the middle, at least one electrode is clearly spaced from the cutting edges. If screen printing is used for deposition of the electrodes, the free path may be provided by using a suitable masks.
Patent DE-2423397-A1 (DE)
Title: Deep-acting collodion solution medicament - contg. Terebinthina, castor oil, plant extracts, and salicylic acid
Inventor: HEIMBACH JOSEF DR MED
IPC: A61K36/28
Filed: 1974-05-14
Abstract: Deep-acting medicament consists of a collosion soln. contg. per 1000 wt. pts., 1-3wt. pts. Terebinthina, 16-20 wt. pts. castor oil, 1-5wt. pts. salicylic acid, and 20 wt. pts. of an alcoholic extract produced in accordance with the DAB with 5 wt. pts. 70 vol. % ethanol per wt. pt. of a mixt. of equal wts. of Flores Chamomillae, Folia Menthae crispae, Radix Valerianeae and Lignum Santali album. The medicament is for application to the skin and is suitable for the treatment of inflammations. The medicament is effective against inflammations of the skin, subcutaneous tissues, skeletal tissues, periosteum, caecum, pleura or brain. The medicament is free from side-effects and does not interfere with the use of other medicaments.
Patent DE-2430535-A1 (DE)
Title: Blind rivet for finished coach work insertion - has hollow rivet with seat head and thickened rivet mandrel
Inventor: DOLCH GERNOT ING GRAD
IPC: F16B19/10
Filed: 1974-06-26
Abstract: The blind rivet consists of a hollow rivet with a seat head, and a rivet mandrel with thickened head. When the rivet mandrel is drawn from the free end of the hollow rivet, the thickened head forms the closing head. After forming of the closing head, the draw shank of the mandrel is torn-off at the break point. hollow rivet (1) and rivet mandrel (4) consists of thermoplastic. The head (6) of the mandrel is positioned directly on the shank end of the hollow rivet. The passage aperture of the hollow rivet is smaller at the end away from the head, the external sleeve (3) diameter of the rivet remaining the same.
Patent DE-2457937-A1 (DE)
Title: Continuous fibre reinforced pipe mfr - dry laid longitudinal fibres carded by combs along mandrel
Inventor: MCNEELY ARTHUR O
IPC: B29C70/16
Filed: 1974-12-07
Abstract: Method is applicable to glass fibre reinforced plastic pipe, or to other sectional material. The filaments are supplied through distributing feeders and maintained in even parallel array on the mandrel by the combs. The pipe is drawn through an impregnator and sizing and curing die by a traction device. Pref. an intermediate layer of helically wound filaments is laid between inner and outer layers of longitudinal filaments. Resin is supplied internally through the mandrel as well as externally through the impregnator. The mandrel is anchored to a rear post and can float angularly. Additional carding grooves are formed on the mandrel. Even distribution of the fibres and uniformity of section are ensured.
Patent DE-2460801-A1 (DE)
Title: Spring loaded vehicle hold off - has hydraulic servo in line with spring and connected between chassis and brake levers
Inventor: NAGY WILHELM
IPC: B60T13/22
Filed: 1974-12-21
Abstract: The vehicle brakes are fitted with spring loaded hold-off servos which apply the brakes if the hydraulic brake pressure fails. A compact, flat layout is provided by coupling the spring loaded hold-off cylinders directly to the hydraulic servos to form a long, narrow cylinder. This can then be fitted between the chassis and brake levers. They hydraulic servo cylinders are supplied with fluid from a servo steering circuit, or similar system, via a control brake valve. The arrangement applies the brakes under spring pressure should the fluid pressure circuit fail.
Patent DE-2503766-A1 (DE)
Title: Corkscrew with spindle nut - has nut engaging with housing so that it cannot turn
Inventor: GORSKI WILFRIED
IPC: B67B7/04
Filed: 1975-01-30
Abstract: The screw portion and the handle (5) are fixed to a spindle (3) sliding in a housing (1) fitting over the neck of the bottle. The nut (4) is adjustable on the spindle and engages with the housing so that it cannot turn in relation to it. The nut can have radial ribs (6) on its end face, engaging in mating grooves in the housing. Initially the nut is screwed up the spindle until it bears against the handle, and as the latter is used to screw the spindle into the cork (8) the nut is forced against the housing. Further rotation of the handle causes thee cork to be pulled out.
Patent DE-2504960-A1 (DE)
Title: Carburettor for liquid fuels - has air intake dependent turbine to proportionally actuate fuel metering pump
Inventor: JELEN PETER
IPC: F02M69/16
Filed: 1975-02-06
Abstract: The combustion air enters the intake (1) which contains guide ribs to remove turbulance and a turbine wheel (3) with slightly inclined blades. The turbine drives, by means of a reduction gear, (4, 5) a fuel metering pump (6) at a speed proportional to the air intake volume. An electronic motor is coupled to the turbine wheel in order to provide an air speed for the purpose of enrichening the fuel especially for cold start purposes. The fuel air ratio can also be additionally varied by providing a choke flap up stream to the turbine wheel.
Patent DE-2510987-A1 (DE)
Title: Atoxic, immunogenic prod. from tetanus toxin - by treatment with proteinase, giving vaccines which cause fewer reactions on inoculation
Inventor: HELTING TORSTEN B DR
IPC: A61K39/08
Filed: 1975-03-13
Abstract: An atoxic, immunogenic product (I) obtained by treating tetanus toxin (II) with a proteinase (III) is new. (III) is pref. a peptide-peptidohydrolpase such as papain; trypsin; Bacillus subtilis proteinase or pronase. (I) is used in prodn. of tetanus vaccines which give rise to no (or fewer) reactions following vaccination.
Patent DE-2512472-A1 (DE)
Title: Room ventilation device permitting air circulation - has flap type cover device with pivot axis lying outside flap surface or its projection
Inventor: HEITNER ALFRED DIPL ING
IPC: F24F7/02
Filed: 1975-03-21
Abstract: A device for ventilation which can be used for input or removal of air which may contain heat, smoke, etc. Unit consists of a duct or chimney with a pivoting type cover to close it off when required construction is such that the axis (3) about which the cover or flap (2) may pivot lies some distance outside the flap surface or its projection. The flap surface (2) is generally cylindrical in design having the pivot axis (3) at its geometrical mid axis if necessary.
Patent DE-2523933-A1 (DE)
Title: Uranium and vanadium extn from phosphates and basic ores - using leach contg. magnesium chloride, sodium carbonate and sodium bicarbonate
Inventor: CRONJAEGER HELMUT DIPL ING
IPC: C22B47/00
Filed: 1975-05-30
Abstract: The selective extn. of metals, esp. uranium vanadium and other non-ferrous metals, from prim. and sec. ores, crude phosphates, concentrates, dumps of waste, manganese nodules, hot lyes, intermediate metallurgical prods., ores with a basic gangue, and similar materials, comprises the material being crushed, if required, and leached at 20-110 degrees C. with a soln. contg. MgCl2 and/or other alkali chlorides in an amt. corresp. with 50-350 g NaCl per litre and a mixt. of Na2CO3 and NaHCO3 in the ratio 1:5 to 1:9. The regenerated extn. solns. and vapour condensates are pref. employed in a closed leaching circuit with automatic dosing and control of raw materials to obtain the required concn. of Cl-, CO32-, and OH- ions in the leaching liq. A simple and economic process for the selective extn. of U and V from crude phosphates and other materials, to obtain a high yield.
Patent DE-2540298-A1 (DE)
Title: Protective bellows for shock absorber piston rod - has holding disc with stainless steel wire retaining spring to permit rod rotation
Inventor: OVERKOTT FRANZ
IPC: F16J15/52
Filed: 1975-09-10
Abstract: A vehicle shock absorber has bellows held by a disc with a hole in it at the exit end of the piston rod. The bellows are not strained if the piston rod is turned, and the protection is improved. The hole through the disch (4) is greater than the piston rod (1) diameter and the disch is held near the end of the rod by a spring which allows free turning of the rod relative to the disc as well as flexible movement of the disc along the axis of the rod. The spring is bow shaped and fits through slots (5, 6) near the outside edge of the disc. The spring is made from stainless steel wire of approx. 1mm diameter. A fixing bush (11) can be used on the end of the piston rod.