baber/WOPTO huggingface dataset:
Patent DE-1952498-A1 (DE)
Title: Thermal insulation for piping
Inventor: A GUSEW WLADIMIR
IPC: B28B19/00
Filed: 1969-10-17
Abstract: The tube to be coated is placed on a carriage and supported by a gantry. The surface is cleaned by circular wire brushes. The tube passes through a ring extruder where it is coated with insulating material such as pearlitic concrete to a density of up to 400 kg/cm3 (sic), after which the whole is wound round with a suitable pliable band such as PVC tape.
Patent DE-2001014-A1 (DE)
Title: Cyclic imides which are both circular and - non-cellular products
Inventor: ROSBACH THEO DIPL-VOLKSW
IPC: B44D3/04
Filed: 1970-01-10
Abstract: Cyclic imides are prepd. by reacting a polyisocyanate and a polycarboxylic acid deriv. contg. at least two carboxylic fragments one of which is an intramolecular anhydride gp. and the other is a free carboxy gp. or an intramolecular anhydride gp, in the presence of catalytic amts. of a cpd. of formula M-OH or R-N(M)-CO-NHR, (wherein R and R1 are 1-12C hydrocarbyl; M is H or a fragment such that the hydroxide MOH to which it corresponds, forms a urethane by reaction with the isocyanate reactant, this urethane decomposing with elimination of CO2 at temps. not exceeding 150 degrees C), suitably water or phenylmercuric hydroxide. The non-cellular products may be shaped into grinding wheels, etc., or may be used as coatings, and the cellular products are useful as heat-insulators in building, supersonic aircraft, etc.
Patent DE-2001688-A1 (DE)
Title: T-butyl peresters as polymerisation initiators
Inventor: MEYER HEINZ DR
IPC: C07C409/38
Filed: 1970-01-15
Abstract: t-Butyl peresters as polymerisation initiators. New cpds. of general formula: RR'R"C-CO-O-O-CMe3 where R, R' = 1-3C alkyl R" = 3-10C (cyclo)alkyl esp. Me2CH-CMeHCH2-CEt2-CO3tBu and These peresters initiate polymerisation of olefins and hardening of e.g. polyester resins. Compared with t-butylperpivalate, they permit better control of the polymerisation and have a lower vapour pressure.
Patent DE-2026248-A1 (DE)
Title: Didymium oxide/salts catalysts - for gas phase prepn - of ethylchloride from ethylene and hydrogen chloride
IPC: C07C17/08
Filed: 1970-05-29
Abstract: A stoichiometric mixture of ethylene and HCl is passed through a tube packed with the catalyst which comprises the didymium salt or oxide on a solid carrier e.g. SiO2. The tube is heated to 50-350 degrees C esp. 150-270 degrees C and a residence time of 2-20 sec. and press. of 6-16 atm. used. The resulting gaseous mixture is separated by partial condensation or washing and remaining reactants recirculated. The catalyst is highly specific. and of long life so that only a few side products are obtd. which are collected on the catalyst as carbon. Dry reactants are used so that hydrolysis of the product is avoided.
Patent DE-2026894-A1 (DE)
Title: Electric warning device - with a perforated polyurethane foam - layer between two aluminium foils connected to battery
IPC: G08B13/10
Filed: 1970-06-02
Abstract: The device has two aluminium foils each connected to a pole of a direct current source in the form of a pocket lamp battery, and a perforated polyurethane foam layer between the foils. As this layer is compressed the two aluminium foils contact each other, the current circuit is closed, and a warning signals is emitted. It is used as a pressure sensitive warning device in banks, offices, shops and private offices. The device can be easily placed below a floor covering, such as a carpet, and responds immediately to the pressure of a human foot to emit a signal. The device can extend over a large area, and is not noticable. The device is independent of mains current supply.
Patent DE-2034644-A1 (DE)
Title: Antiviral isatin isothiosemicarbazone derivs
IPC: C07C337/08
Filed: 1970-07-13
Abstract: Antiviral isatin isothiosemicarbazone derivs. Title cpds. of formula (I) (where r1 and R2 are H or alkyl), which are active against e.g. Mengo virus, are prepared by reacting isation or a 1-alkyl-isatin with a hydrohalide of H2NH=C(NH2)-SR2 (obtainable by boiling thiosemicarbazide with R2-halogen ina suitable solvent) and sodium acetate in a suitable solvent (pref. alcohol).
Patent DE-2049702-A1 (DE)
Title: Vinyl chloride polymerisation by peroxides - in a polymer non-solvent
IPC: C08F4/34
Filed: 1970-10-09
Abstract: Vinyl chloride or mixtures with other vinylic monomers are polymerised in media which are non-solvents for the polymer, using as catalyst mixtures of acetyl-cyclohexyl-sulphonyl peroxide, and one or more cpds. chosen from terbutyl peroxy pivalate, diisopropylperoxydicarbonate, di-2-ethyl-hexyl peroxydicarbonate, alpha,alpha'-azobis-2,4-dimethyl-valeronitrile. The combined catalysts ensure that the reaction rate remains constant during the polyumn. The amount of acetyl-cyclohexy sulphonyl peroxide may be between 0.001 and 0.1 p.b.w. and the amount of the peroxide co-catalyst may be at most 1% of the monomers.
Patent DE-2059435-A1 (DE)
Title: Recycling of material carried out in exhaust gas - of cement tube mil installation
Inventor: TOPP JOHANN
IPC: B02C17/18
Filed: 1970-12-03
Abstract: The hot and cold exhaust gases from the main conveyor, subsidiary conveyor, sifter etc are drawn in by the suction side of a cyclose precipitator in which the coarse fraction is extracted and then fed back into the main conveyor before again passing to the sifter. The cold exhaust gas with its fine dust content is passed from the cyclone through a blower back into the tube mill as fresh gas supply.
Patent DE-2112531-A1 (DE)
Title: Deep drawing mould - for producing hollow plastic containers
Inventor: BERBERICH FRIEDRICH
IPC: B29C51/32
Filed: 1971-03-16
Abstract: Production of deep drawn containers from pre-heated thermoplastic by mech. stretching and subsequent pressing or suction into the mould tool cavity, comprises (a) the film to be deep drawn previously introduced into the moulding machine as a pre-heated strip is pressed against the outer edge of the upper mould in air-tight fashion by the spring loaded press ring of the lower mould when in its raised position, (b) the film is prestretched to a predetermined extent by the downward movement of a drawing punch, (c) the pre-form is then blown or sucked into the lower mould cavity to give it its final form, while simultaneously cooling the mould on its inner surface, (d) the upper edge of the container so formed is cut off along the inner edge of the upper mould by raising the lower mould still further, and (e) after again separating the upper and lower moulds the latter is swung away through 90 degrees and the finished moulding whilst supported on all sides moves out sufficiently for it to engage a stacking tool on its upper edge where it is retained during the return of lower mould, until the next container is inverted.
Patent DE-2148947-A1 (DE)
Title: Welding together conductors - whereby one conductor is covered with insulating material
Inventor: BERNARDI HANS
IPC: B23K11/16
Filed: 1971-09-30
Abstract: Electric conductors, one of which carried a layer of insulating material, are welded together between two welding electrodes by heating the latter until the insulating layer melts and then welding the two conductors in contact with each other, when the welding current pulse is automatically released.
Patent DE-2149531-A1 (DE)
Title: Removal of naphthalene from phenol - by extractive distn using poly phenyl or polyphenyl ethers
Inventor: TURBIN KENNETH LEROY
IPC: C07C37/80
Filed: 1971-10-04
Abstract: Naphthalene is sepd. from phenol by fractionally distilling phenol contng. a minor amt., pref. 2%, of naphthalene in the presence of a polyphenyl, a polyphenyl ether or their mixt. having =4 aromatic nucleii. The process is pref. carried out in a distn. column where the feed rate of the polyphenyl or polyphenyl ether from the top of the column is 1-6 times that of the phenol mixt. The column operates at a reflux ratio of 0.2-10. This process is superior to known processes such as large scale crystallisation, and the use of large quantities of acids and bases are avoided.
Patent DE-2160930-A1 (DE)
Title: Condenser electrolyte - contg or in contact with an aromatic mononitrocarboxylic acid as depolariser and stabiliser
Inventor: HVIDTFELDT N
IPC: H01G9/02
Filed: 1971-12-08
Abstract: The carboxylic acid depolariser has a dissociation constant 5 x 10-5 - 5 x 10-2 and is pref m-nitrobenzoic acid. Its concn. is kept constant and the electrolyte is in contact with an excess of it. It can be disposed/dissolved in the electrolyte, or adhered to the electrodes or applied to porous paper sheets between the electrodes. It suppresses nitrogen formation so that high voltage operation of the condenser is possible.
Patent DE-2161082-A1 (DE)
Title: Benzofuranes - as optical brighteners for natural and synthetic fibres,esp polyamides,cellulose esters etc
Inventor: MACH WOLFGANG DR
IPC: C07D307/92
Filed: 1971-12-09
Abstract: Title cpds. of formula (I) (where X is -CH=CH, -S- or -O-; R1 is H or together with R2 forms an anellated benzene ring; R2 is H, alkyl, alkoxy, halogen, carboxyl, carbamoyl (di)alkylcarbamoyl, alkylsulphonyl, alkoxysulphonyl, (alkyl)aminosulphonyl, dialkylamino sulphonyl or a sulphonic acid gp; R3 is H, alkyl or alkoxy; R4 is H, alkyl or halogen; R3 and R4 may together form an anellated benzene ring; R5 is H, alkyl or opt. substd. phenyl; R6 is H, halogen, alkyl or cyano; R is H, CN, carbalkoxy, opt. substd. carbamoyl, aminosulphonyl, opt. substd. aminosulphonyl or alkoxysulphonyl or a sulphonic acid gp.) may be by reacting e.g. hydroxy-aldehydes contg. the substs. R1-R5 with cpds. of formula: (where hal is Cl or Br) and cyclising the prods. obtd.
Patent DE-2220998-A1 (DE)
Title: Incineration of rubbish contg. rubber and similar matter - temp is maintained above critical level in turbulence column
Inventor: RASCHKA ALFRED DIPL-ING
IPC: F23G7/12
Filed: 1972-04-28
Abstract: Waste rubber and similar matls. not readily amenable to burning, are incinerated by maintaining them at a temp. above the ignition point of the waste matter, in the presence of (gas contg) oxygen, for a period ensuring complete combustion, the waste being chopped up into pieces pref. having an edge length of 20 mm, and fed into a turbulence column of inert matl. at around 900 degrees C, through which the incinerating gas streams. Process disposes of rubber and similar matl. contg. rubbish, without smoke or expensive afterburning techniques.
Patent DE-2228889-A1 (DE)
Title: Centrifuge drum - for sugar prodn with composite wall material
Inventor: LOEWER WILHELM
IPC: B04B7/16
Filed: 1972-06-14
Abstract: For corrosion resistance, robustness and ease of cleaning the outer rolled sheet steel jacket is lined with synthetic resin, esp. epoxy resin, itself forming a composite laminate. A first thin coating of unloaded epoxy resin is convered in turn by a layer, 16.5 times its thickness approx., of resin reinforced with woven glass silk and loaded with quartz sand and finally by one or more layers, with thickness approx. 2.5 times that of the base layer, of epoxy resin which may be loaded with quartz sand.
Patent DE-2232093-A1 (DE)
Title: Sugar recovery from molasses - by passing over deionising resin and extracting sugar from purest elution fraction
Inventor: SCHNEIDER HANS GEORG DIPL CHEM
IPC: C13B35/06
Filed: 1972-06-30
Abstract: Sugar is recovered from molasses by (a) passing mechanically purified molasses over a deionising resin, which is regenerated periodically, (b) eluting the resin with sugar solns. and water, (c) dividing the eluate into several fractions, (d) using the purest fraction for the extraction of sugar, (e) recycling fractions with a suitable concn. and purity for elution of the resin, and (f) eliminating from the treatment cycle the most impure fractions. Pure sugar is recovered.
Patent DE-2261193-A1 (DE)
Title: Wood adhesive - with separate sprays of hardener and resin solution contain-ing 70-75% by weight of solids
Inventor: PERCIWAL EVERT WILFORD
IPC: C09J5/00
Filed: 1972-12-14
Abstract: The resin soln. is a preliminary condensn. of formaldehyde and phenol-resorcin, phenol or resorcin, with 70-75% by wt. of solids at 40-80 degrees C with a separate spray of hardener so that the two components blend together in the atmos. in the zone between the jets and the treated surface. The purpose is to provide an adhesive application process, particularly in a sawmill operation, where the wood has a high residual moisture content.
Patent DE-2333983-A1 (DE)
Title: Head lamp beam adjustment compensator - has ultrasonic transmitter and receiver to measure distance between chassis and road
Inventor: ZITTGITT ULRICH
IPC: B60Q1/115
Filed: 1973-07-04
Abstract: Two range finders fitted to the vehicle chassis between the front and rear axles, transmit ultra sonic waves which are reflected back from the road to each receiver which produces an electrical potential proportional to the intervals between transmission and reception. The potential is taken as a required value, via the leads to a regulator and compared with an actual value. Should the values be equal, no headlamp beam adjustment takes place at the adjuster unit. Should the loading condition of the vehicle alter, the sonic waves of the range finder produce correspondingly longer or shorter intervals owing to the altered distance between chassis and road. The difference thus produced is used to refocus the head lamp beams.
Patent DE-2338197-A1 (DE)
Title: Heavy vehicle double axle assembly - has engageable and disengageable intermediate drive coupling between rear axles
Inventor: BISCHOFF JOHANN FRIEDRICH
IPC: B60K17/36
Filed: 1973-07-27
Abstract: The first of the two shafts is powered via the drive shaft. A coupling is incorporated in the part of the drive shaft leading to the second axle and enables this shaft to be selectively engaged and disengaged. The design ensures that when there is a failure in one of the axles, the other is not affected. The system is designed particularly for lorries and commercial vehicles but can be applied to other types of vehicle. Where light loads are carried, increased efficiency in the transmission may result from the use of only one axle and differential assembly.
Patent DE-2338214-A1 (DE)
Title: Pressure device for sticking facings to curtain tracks - comprises table with impact angle iron and piston cylinder unit
Inventor: SCHWANK HANS-DIETER
IPC: A47H2/00
Filed: 1973-07-27
Abstract: The facing and curtain track are coated with a suitable adhesive and placed on the table against the impact angle iron. The contact pressure unit comprising a piston cylinder system is switched on so that the curtain track is pressed firm against the facing and the latter is held firm against the impact angle iron. Pref. several piston cylinder units are used so that even contact pressure is maintained over the entire length of the track, even if the track is fairly long. The shaped ends of the curtain track can be pressed against the facing by pressure members having pressure faces adapted to the different shapes. The table surface is provided with numerous holes so that the underneath of the piston cylinder units can be secured by means of bolts.
Patent DE-2344742-A1 (DE)
Title: Portable vertical gradiometer measuring gravity vertical gradient - with lower of two masses on beam subject to tension cords
Inventor: BREDE ERNST
IPC: G01V7/08
Filed: 1973-08-31
Abstract: The upper mass of the instrument for measuring the vertical gradient of gravitation, or a gradiometer, is attached to one arm of a balance beam which has cross arms. The other arm of the beam is subject to a draw cord from the lower mass. The latter is suspended by three draw cords including that to the upper beam, the other two being attached to the instrument housing through screw springs so as to enclose an angle of approx. 120 deg. The draw cords hold the mass in an axis deviating from the vertical and horizontal accelerations are recorded by them through the restoring energy of the mass.
Patent DE-2350093-A1 (DE)
Title: Automatic shut off gate for water - has valve with membrane controlled by magnetisable needle and permanent magnet
Inventor: HUBER HEINRICH
IPC: D06F39/08
Filed: 1973-10-05
Abstract: The gate is for use as a safety device to prevent flooding due to overflow from a container, delivery pipe or similar. The permanent magnet holds the valve in the open position and there is a tensioned striker pin. A water soluble contact is at the base of the outflow pipe. There is a pressurised chamber in the valve and the safety lock is held by the striker against a pressure spring. The chamber is an interchangeable gas cartridge or cylinder. As it is acted on by the needle, it allows a pretensioned bolt to cause the magnet to close the valve.
Patent DE-2361017-A1 (DE)
Title: Case hardening alloys - using a boron-containing medium and a diffusion heat treatment
Inventor: PREUSCHEN ERWIN G
IPC: C23C8/70
Filed: 1973-12-04
Abstract: The surface of the metal workpieces to be case-hardened, is first cleaned and then covered with a medium contg. a B cpd. after which the workpiece is heated to 700-1100 degrees C. The application of the B cpd. contg. medium and heating may be repeated several times. The medium pref. also contains a bonding agent which dissociates at 100-500 degrees C. Prolonged heat treatment is not required and a greater depth of surface hardness is obtd. Post maching is also unnecessary.
Patent DE-2363025-A1 (DE)
Title: Lockable switchboard casing with roller blind front - has vertical or horizontal guide rails for roller blind applicable to switchboard panel
Inventor: NEEF GERHARD
IPC: H02B1/38
Filed: 1973-12-19
Abstract: The casing for electronic and electric equipment, such as a switchboard box, has its front panel closed by a roller blind that covers the normally accessible controls on the panel, set back somewhat into the casing. The roller blind travels along guide rails situated either vertically at the sides of the casing front opening for blinds which pull down, or horizontally at the top and bottom of the front opening for blinds which pull across from the side. The roller blind may be of metal or plastics and has the advantage over other closure methods of being simple to fit and simple to use, and avoids the complications of hinged doors.
Patent DE-2363254-A1 (DE)
Title: Cooling bell jar used during semiconductor mfr - by cooling fluids coils around or inside the outer press chamber
Inventor: SANDMANN HERBERT DIPL CHEM DR
IPC: B01J3/00
Filed: 1973-12-19
Abstract: The parent patent describes a bell jar for depositing Si semiconducting material onto a substrate, comprising a base plate with gas inlet and outlet ducts and a bell of glass or quartz which forms a gas tight seal with the base plate and is held in place by gas press. on its outer surface using an inert gas in another chamber. In the present addition patent, the outer press chamber is provided with appts. for heating the support and/or cooling the bell, esp. by cooling the gas under press. The cooling keeps down the glass temp. (which reaches up to 600 degrees C when using SiHg and even up to 900 degrees C when using SiCL4 or SiHCl3 as reaction gases).
Patent DE-2404665-A1 (DE)
Title: Multi purpose step ladder - has two sets of posts with rungs, connected at the top by folded-over plates with pivot
Inventor: KUEMMERLIN WALTER
IPC: E06C1/18
Filed: 1974-01-31
Abstract: The two folded-over plates at the top of the ladder are connected by a vertical pivot, so that the ladder can be folded flat by pivoting the two posts around a vertical axis. The arrangement is also suitable for setting up a trestle type working platform by using two ladders, sliding a suitable support across two opposite rungs at any height and connecting the two ladders by a set of boards for working platforms. As the tops of the posts do not meet it is possible to use even the uppermost rungs as a support for the cross bar. Mounting and descending is much easier than with the usual type ladders.
Patent DE-2404893-A1 (DE)
Title: Wedge and ratchet cut saw - has saw blade carrier shaft housed with neck spaced from mounting ring of motor shaft
Inventor: BERGLER OTTO
IPC: B23D45/14
Filed: 1974-02-01
Abstract: Wedge and ratchet cut saw with saw assemblies has the saw blade carrier shaft parallel to the shaft of the electric motor and driven by it via a belt, which engages the side of the carrier shaft remote from the saw blade. The end of the motor shaft remote from the belt is held in a bearing centrally surrounded by a mounting ring, as a pivoting mounting for the assembly. The carrier shaft is mounted in a bearing housing with two bearings seated in the region of its ends and with a neck toward the saw blade and at a spacing from the mounting ring of the motor shaft and with a recess on one side. The saw assemblies are alike, offset by 90 deg. in respective mountings and facing each other.
Patent DE-2407118-A1 (DE)
Title: Roving draw belting construction - has woven fabric core laminated with polyurethane film on both sides
Inventor: GREFKES DIRK DIPL KFM
IPC: D01H5/86
Filed: 1974-02-15
Abstract: A belting material, for use in drawing out the fibres of a roving for spinning, has an inner layer of a woven fabric clad on both sides by a laminate of microporous polyurethane film. The material is resistant to abrasion and friction wear in use, does not become charged with static electricity and is suitable for applications in a working environment without humidity control. The inner core layer of the belting is composed of a woven fabric of 120-230 g/m2 in a linen or other suitable construction. The outer layers are composed of a polyurethane film, bonded by a polyurethane adhesive, which are 0.2-0.4mm thick with a permeability to allow steam to pass through at the rate of 5-18 mg/cm2/h.
Patent DE-2408571-A1 (DE)
Title: Tank battery top filling system - has elastic zone in widened chamber of multi-part union
Inventor: HUEMMELGEN HELMUT
IPC: B65D88/54
Filed: 1974-02-22
Abstract: The system is particularly for filling heating oil tanks not reinforced by strapping, the individual tanks being connected by T-pieces of reduced cross-section and with an elastic zone to the top filling buspipe. The elastic zone is accommodated in a widened inner chamber or a multi-part union. The zone can be ring-shaped, with block reinforcement along the edge, and attached to a sliding metal piece working by means of sealing and locking rings against the inlet spout branching off from the buspipe. The elastic zone can compensate for tank movement in the vertical and horizontal directions.
Patent DE-2413531-A1 (DE)
Title: Valving for automatic control of pneumatic cylinder - has plunger in pulse valve housing with control pistons at each end
Inventor: OPEL DETLEF
IPC: F01L25/04
Filed: 1974-03-21
Abstract: Valve arrangement for the automatic control of a pneumatic double-acting cylinder where a valve plunger in a housing of a pulse valve has pistons at both ends. These pistons are such that in conjunction with bushes according to the air pressure in control lines they alternately assume a position where a reduced piston face and simultaneously on the opposite side, a corresponding piston face of the diameter of a control cylinder are acted upon by the air pressure differentiating in the control lines. An alternate pressurisation of a piston in a cylinder can be controlled from each end position of a stroke direction of the piston by means of working lines to achieve automatic change in stroke direction.
Patent DE-2420109-A1 (DE)
Title: Flat-folding mobile collapsible scaffolding - as hinged-prism equilateral triangle with prism disc divided by bend-hinge axis
IPC: E04G1/34
Filed: 1974-04-25
Abstract: The folding skeleton framework, for building or demolition work, renovation, repairs, decorating, paperhanging and other building trade uses, can be transformed into a flat unit and is pref. movable. It is in the form of a hinged prism, of equilateral triangle cross-section, and has a prism disc, set opposite to a prism hinge axis which is divided by means of a bend-hinge axis which runs parallel to the prism hinge axes. A platform and ladders may be incorporated, and the system preferably also includes automatically actuated interlocking devices.