baber/WOPTO huggingface dataset:
Patent DE-1816704-A1 (DE)
Title: Flexible bearing layer for road surfaces
IPC: C04B28/02
Filed: 1968-12-23
Abstract: Grain-graded mixture comprises ballast, chippings and sand resulting in a low incidence of hollows, whereby the mixture contains approx. 1-3 wt.% pref. 2 wt.% hydraulic binder calculated on the dry weight of the stone mixture.
Patent DE-1920666-A1 (DE)
Title: Silicon steel sheet prodn - with fixed maximum magnetisation direction
Inventor: HIRANO HIROSHI
IPC: C22C38/02
Filed: 1969-04-23
Abstract: Silicon steel (2-4% Si) contg one or more alloying elements, In particular 0.01-0.07% Al, 0.01-1.0% Ti, 0.01-0.3% Zr, 0.05-0.5% Ta, and opt. 0.001-0.1% V (not more than 0.5% in total), is hot and cold rolled subjected to refining, and then to nitroding in a N2 contg atmosphere at 450-750 degrees C (to convert the alloying elements into nitrides), and finally subjected to a secondary recrystallization. The presence of nitrides promotes the secondary crystallization. The crystals are predominantly oriented in the (110) (100) direction, whereby high magnetic flux in the (100) direction can be obtained. The products are suitable for use in transformer cores, or the like.
Patent DE-1938883-A1 (DE)
Title: Metal sepn process by solvent extraction
Inventor: C HAZEN WAYNE
IPC: C01F17/17
Filed: 1969-07-31
Abstract: An aqueous metal soln. is mixed with an immiscible solvent for extracting at least one metal. The solvent and aqueous phases are separated, and the aquasol is mixed with a second immiscible solvent to repeat the process for a different metal. Sequential mixing of different solvents and phase separation is repeated until the required degree of metal concentration in the solvent soln. is obtained. The metals are then isolated from their solvents. More spec., the process is for separating rare earth metals, particularly Pr, Nd and Sm from Dy and Y, whereby Gd is retained in the aqueous phase from which it is separated by evaporation. A suitable solvent is an alkyl amine, pref. a mixture of tertiary alkyl (primary) amine with 18-21 C-atoms, with an alkyl phosphate, pref. di-2-ethyl hexyl phosphoric acid.
Patent DE-1953609-A1 (DE)
Title: Pretzels for children
Inventor: THIELE WALTER
IPC: A21D13/08
Filed: 1969-10-24
Abstract: Pretzels are coated with sugar or syrup for sticking sugar crystals to them which resemble conventional salt crystals as used in pretzels for adults. The crystals are applied to the upper surfaces only and are opt. larger than salt crystals to distinguish them from those for adults. The pretzels are made from wheat dough, stranded, formed into figures of eight, coated and then sprinkled with the crystals.
Patent DE-2019586-A1 (DE)
Title: Chain prodn plant arrangement
Inventor: PRUENTE FRIEDRICH DIPL-VOLKSW
IPC: B21L3/00
Filed: 1970-04-23
Abstract: In the manufacture of round link chains, the inner width of the links of which is more than double the thickness of the wire employed for their manufacture, by bending and welding in automatic machines, the chain is allowed to hang freely between the horiz. axis cooling barrel and the bending machine and also between subsequent processing stations. By permitting the chain to hang freely a gravitational self aligning action of the chain links occurs, eliminating the need for expensive aligning devices in the various processing machines.
Patent DE-2115686-A1 (DE)
Title: Texturised mixed polyester filaments - with uniform dyeing properties and texturising characteristics
IPC: D01D5/30
Filed: 1971-03-31
Abstract: Production of textured, mixed polyester filament by simultaneously spinning two polyesters with intrinsic viscosities differing by at least 0.03 from mutually eccentric or side-by-side spinneret orifices and drawing the undrawn mixed polyester filaments produced by this technique at 60 - 120 degrees C and at a draw ratio of 0.75 - 0.95 of the maximum draw ratio, then heat fixing at 120 - 200 degrees C and continuously relaxing at 80 degrees - 20 degrees C, whilst maintaining a % overfeed greater than the % heat-shrinkage at this temperature.
Patent DE-2115899-A1 (DE)
Title: Welding machine - with a thyristor controlled rectifier unit for the continuous adjustment of welding voltage from a min to a max
IPC: B23K9/10
Filed: 1971-04-01
Abstract: Welding machine of the protective gas type has a welding transformer and a thyristor-control led rectifier unit as well as a D. C choking circuit. The transformer exhibits a static characteristic with a gradient of 5-7.5 V per 100 A, and D. C inductivity amts to 17-23V when charged with an A. C current of 50 C.P.S and 30 A. Pref. the transformer is a rotary current transformer.
Patent DE-2122667-A1 (DE)
Title: High tension discharge cleaning plant - for sand castings
IPC: B22D29/00
Filed: 1971-05-07
Abstract: The plant is intended to remove core material and residual sand from sand castings after their removal from their mould and uses electrical high tension discharges in a liquid, into which the casting is immersed. The plant consists of a trough with the fluid, a swivel mounted frame with a sieve floor pivoted on a horizontal shaft and actuated by a hydraulic cylinder. Whilst the fines fall through the sieve floor to the bottom of the trough, coarser sand agglomerates etc. are removed when the frame is swung into its vertical charging position when they drop into a channel with a moving belt. The electrode holder for the process is also swivel mounted. The plant is fully automatic and can be inserted into a flow production line. No dust is produced during its operation thereby greatly reducing the dust nuisance usually associated with plant carrying out this process.
Patent DE-2123572-A1 (DE)
Title: Silicon carbide articles - by silicon carburising specific carbon articles with silicon monoxide gas
IPC: C04B35/573
Filed: 1971-05-12
Abstract: Shaped SiC articles, useful as sliding materials for seals, bearings, blades; abrasive material for mills, millstones and files; multi-layer structures, e.g. honeycomb cell matrices for rotating gas turbine heat-exchangers; heating units, are made by (i) shaping C material having a true specific wt. =2.1 and heat expansion coefft. 3-6 (3.5-4.5) x 10-6/degrees C, to articles with desired shape and having 20-40% porosity and (ii) treating the shaped C articles with SiO gas at 1800-2100 degrees C, thus converting at least surface of shaped C to SiC. Part of shaped C article may not be converted to SiC and is burnt in an oxidising atmos.
Patent DE-2123740-A1 (DE)
Title: Colour image cathode ray tubes - where fluorescent screen produced using an aq methylcellulose soln as positive photo-lacquer
IPC: H01J9/227
Filed: 1971-05-13
Abstract: The solubility of the methylcellulose soln. is changed by electron radiation. A pref. 1-2 vol% soln. of methylcellulose of degree of polymsn. 100-1000 pref. mixed with graphite as light absorbing agent is applied to a screen carrier and electron irradiated via n interposed shadow mask which is at a negative potential relative to the carrier so as to focus the electrons. The screen is developed with water at 40-70 degrees C, the irradiated points being warm water sol. The remaining light absorbing foil surrounding these points is made water insol. by treatment with a tanning agent. The fluorescent points are introduced using a dichromate-high polymer such as PVA photolaquer.
Patent DE-2134209-A1 (DE)
Title: Diacetyl prepn - by methylvinylketone alkaline oxidn with hydrogen peroxide and epoxybutanone acid rearrangement
Inventor: MUELLER HERBERT DR
IPC: C07C45/58
Filed: 1971-07-09
Abstract: Diacetyl, suitably pure for use as a flavouring agent in the margarine industry and as an additive to baking and pudding powders, is prepd. in high yields by oxidising methylvinyl ketone with H2O2 soln. at 10-60 degrees C in an aq. alkaline medium at pH 7-12 while preventing excess of methylvinyl ketone w.r.t. H2O2, keeping reaction mixt. at given temp. and pH for 0.5-3 hrs., acidifying esp. wit H2SO4, and slowly heating at pH 2 pref. 0.5-1.5 to 70-100 degrees C for 1-6 hrs. to effect rearrangement of 1,2-epoxy-butan-3-one formed. Cpds. destroying peroxides (e.g. CuSO4, FeSO4, MnO2) may be added to acidified reaction soln.
Patent DE-2146013-A1 (DE)
Title: Paper folding - with blowers and guideways to move sides up before the folding blade
Inventor: MEHREN HERBERT
IPC: B65H45/22
Filed: 1971-09-15
Abstract: As the paper passes from a continuous belt feed array to the folder, the sides are moved upwards while blowers pass air through perforations to increase the paper movement for the rotary folding blade to impose the longitudinal fold. Rotating bosses and side blowers press the sides further together before entering a vertical twin belt assembly to complete the folding action. The method reduces the friction stresses on the paper and prevents tearing.
Patent DE-2158282-A1 (DE)
Title: Powdered melt adhesive - contg calcium and/or aluminium salts of fatty acids
Inventor: HAEFELE JOSEF DIPL CHEM DR
IPC: B05D1/28
Filed: 1971-11-24
Abstract: According to the parent patent, powder melt adhesives contg. 0.01-1 pref. 0.02-0.2 wt.% finely dispersed Mg salt of a fatty acid are used for coating flexible flat articles, e.g. fabrics, fleeces, foams, paper or leather, by the powder pressure method. The Mg salt is now replaced by the Ca. and/or Al salt which causes less changes in the properties of the adhesive, e.g. melt viscosity or melting range. Uniform coatings are obtained.
Patent DE-2233384-A1 (DE)
Title: Simply produced electricity collectors - used on rotating machines using single worked up lamina formed into an annular ring
Inventor: BECK EDWIN
IPC: H01R43/06
Filed: 1972-07-07
Abstract: The lamina are anchored in a boss of insulating material and shrunk-on rings. Small numbers of collectors can be made at low cost. The individual lamina are worked up from a pref. laminated, tube ending in a small stem. The interspaces between the lamina are filled with an insulating material. The lamina ring is fixed at its outer circumference by a tensioning device and the stem is separated from the ring. The inner diam. of the ring is centered by a suitable device, pref. a magnetic mandrel, is compressed by the tensioning device and the PTFE insulating shrink-on ring is slipped over.
Patent DE-2243508-A1 (DE)
Title: Elastic corset leg band - with an elastic backing and a very thin layer of polydimethyl siloxane rubber
IPC: A41B17/00
Filed: 1972-09-05
Abstract: The adhesive layer applied to the elastic backing is a thin, transparent film intimately bonded to the backing and consisting of a solvent-free, poly-diorgano siloxane polymerizing by atmos. moisture. Pref. poly dimethyl siloxane rubber is applied on several almost adjacent, extremely thin perforated strips with a textured surface.
Patent DE-2246698-A1 (DE)
Title: Strewing powder for roofing materials - produced by firing clay-like subst-ances opt. with colouring additives
Inventor: GIESICKE HANS-JOACHIM
IPC: E04D7/00
Filed: 1972-09-22
Abstract: Aggregates resistant to u.v. radiation and, hence, protecting roofing materials, e.g. bitumen, against decomposition, are produced by firing kaolin or other clay varicties, opt. with colouring additives, and then mechanically comminuting the resulting sintered product to the desired grain size. The grains are coloured by processes occuring during the firing, e.g. oxidation of Fe(II) ot Fe(III), whereby the material is coloured throughout and, hence, the colouration does not disappear under the action of light, atmospheric agents or mechnical wearing. The addition of e.g. iron cpds. has additional advantage of lowering the sintering temp. whereby a dense, water-impermeable, frost-resistant product is obtd.
Patent DE-2259126-A1 (DE)
Title: Meat cutting/mincing machine - for vacuum operation
Inventor: MUELLER HELLMUT
IPC: B02C18/24
Filed: 1972-12-02
Abstract: In a meat processing machine, particularly a mincer, with a rotationally symmetrical bowl in which a rotating processing tool is mounted and with which it co-operates so that the bowl and the tool can rotate relative to one another around an axis of symmetry of the bowl; a holder and drive for the tool are brought through the annularly formed bowl from below and along the axis of rotation. Spec. the machine has a vacuum processing chamber which is sealed in the vicinity of the inner edge of the bowl by >=1 dynamic seal opposite to the parts of the tool holder and drive brought through in this zone.
Patent DE-2308076-A1 (DE)
Title: Moisture separator - filters coarse particles from gas stream then agglomerates fine particles
Inventor: GRIWATZ GUNTHER HENRY
IPC: B01D39/08
Filed: 1973-02-19
Abstract: Appts for sepg. moisture particles from a gas stream comprises a series of sheets stretched transversely across the gas stream on frames and face to face with one another; 3 successive sets of sheets are used; the upstream set comprises >=1 sheets of fine wire mesh for removing large liq. particles but permitting small particles to pass; the central section comprises material which causes the small particles reaching it to agglomerate into large particles; the downstream set comprises sheets which separate from the gas the coarse liq. particles agglomerated in the middle section. n the prefd arrangement, the sheets of the central set are constituted of fibrous strips sepd by wire mesh sheets; the fibrous strips comprise fine, e.g. stainless steel wire interwoven with non-metallic, esp. glass or plastics filaments or fibres.
Patent DE-2330282-A1 (DE)
Title: Gas insulated encapsulated HV line - has inside tubular encapsulation for tapered rollers attached to HV conductor supports
Inventor: FISCHER DIETRICH
IPC: H02G5/06
Filed: 1973-06-12
Abstract: The line has two parallel rails mounted along the bottom of its encapsulating tube and acting as guides for tapered rollers attached to the base of the two inclined insulators supporting the H.V. conductors. The tapered rollers have V-shaped grooves which locate over the circular cross section rails. The base to which the rollers and supports are attached is obtusely angled and elastic so that it forces the rollers outwards against the sides of the rails. The rollers and rails enable the line to be slid along, inside its encapsulating tube.
Patent DE-2338962-A1 (DE)
Title: Manual or power driven rotary piston pump - has tooth shaped piston and an eccentrically mounted rotary piston valve
Inventor: KRAL WALTER
IPC: F04C2/44
Filed: 1973-08-01
Abstract: Pumps are used esp. for pumping oil and comprises a piston rotor and a piston valve which rotate in a housing. The piston valve is eccentrically mounted in the housing and has a smaller diameter than the piston rotor. An interchangeable pin is mounted on the piston valve. Whe piston is driven by shaft, the pin will slide up and down in the cutout of piston. It connects both rotors at the same time. When piston rotates, liquid from a pressure area is taken with it and pressed into the outlet. At the same time liquid is sucked into the suction area and fills the pressure area again.
Patent DE-2339927-A1 (DE)
Title: Crude water treatment plant aerator - has perforated elastomer shell around perforated thermoplastics cylinder for compressed air inlet
Inventor: CHRISTIANSEN PETER
IPC: B01F5/04
Filed: 1973-08-07
Abstract: A raw water aerator for water treatment plant introduces the compressed air through a cylindrical cartridge, closed at both ends by flanges, and pref. made of a thermoplastics material. Clips are used to fix to the outside a sleeve made of a porous elastomer, with fine holes. Holes allow the compressed air to escape through the holes. This distributes the air in the raw water in extremely fine bubbles. when not pressurised the pores and holes are kept closed by hydrostatic pressure so that impurities cannot clog them. The elastomer has also a self-cleaning effect.
Patent DE-2344688-A1 (DE)
Title: Running gear for endless chain drive - has front and rear chain wheels suspended opposite to each other
Inventor: KRAMER VOLKER
IPC: B62D55/116
Filed: 1973-09-05
Abstract: In order to avoid the use of a jockey wheel to maintain the chain tension, the front and rear chain wheels are suspended by bearer arms in such a manner that the front bearer arm is pivoted in the front of the chain wheel axle and the rear bearer arm is pivoted behind the rear chain wheel axle as seen in the direction of travel. The rear chain wheel then makes a pivot movement opposite to the direction of travel and the bearer arm makes a movement which is sufficient to take up the entire chain slack thus continually, maintaining the chain tension.
Patent DE-2346764-A1 (DE)
Title: Burglar alarm system ultrasonic waves to trigger annunciators - has transmitters radiating in a number of directions with detectors for picking up these waves
Inventor: MOSS ROYSTON ARTHUR LESLIE
IPC: G01S15/52
Filed: 1973-09-17
Abstract: The alarm system is for installing in a room or similar enclosed area. There are generators and transmitters of ultrasonic waves and devices for receiving the reflected waves and detecting any variations to give an alarm. The wave is radiated in all directions around the transmitters and these can be picked up by the receivers. The transmitters have telephone type heads and the receivers have microphone type heads and these operate in unison. There are at least six heads with group of three mutually at right angles to cover the three dimensions. The units are encapsulated with an opening for each head.
Patent DE-2348794-A1 (DE)
Title: Vehicle door operating handle - is mounted in a recess of the double skinned door behind the edge of the outer skin
Inventor: COLELL HANS
IPC: E05B85/18
Filed: 1973-09-28
Abstract: The arrangement is intended mainly for use on car doors. It is a rocker-type handle pivoting around a vertical pin. One end of the rocker is shaped to be suitable for gripping by hand, the other end operates the spring loaded locking mechanism. The width of the handle is such as to approximately to correspond to the average width of the human hand. The extreme edge of the operating handle is usually flush with the edge of the outer door skin, behind which it is mounted. The arrangement provides a safer and smoother surface to the vehicle outline.
Patent DE-2349070-A1 (DE)
Title: Rolled sheet material packing - has cutting edge at end of base usable as packing table
Inventor: ARMBRECHT MANFRED
IPC: B65B67/10
Filed: 1973-09-29
Abstract: The packing has mountings in opposite walls for the roll, and a cutting edge parallel to the latter to allow any desired length to be parted off. The edge is mounted at one end of a base usable as a packing table, while at the other end of the table is a guide roller over which the sheet is led. Hand-holes are provided in the side of the table, where it joins the sidewalls. The saw-tooth type blade can be mounted on an end wall inclined at an acute angle to the table, the saw teeth protruding above the table surface. Alternatively, an electrically-heated wire can be used as the cutting edge.
Patent DE-2351592-A1 (DE)
Title: Control of tooth flank roller grinding machine - has store between subtractor and comparator to store highest pulse of cutting output
Inventor: BOJARSCHINOW JURIJ ALEXANDROWI
IPC: B23F23/00
Filed: 1973-10-13
Abstract: Control of a tooth flank roller grinding machine with an output indicator for each grinding disc drive, required value adjusting block for the allowable cutting output, subtraction circuit to deduct the idling output and theoretical/actual comparison block to compare the given cutting output with that measured by the indicator, which is connected to a control circuit for the table feed speed at the grinder. A store is connected between the subtraction circuit and the comparator block and this stores the highest pulse of the series of cutting output pulses given by the subtraction circuits. There is also a unit connected to reduce the over control, which is connected with a control circuit for the table feed speed and is set up to determine the first time the grinding disc contacts the workpiece and to change over an accelerated table feed movement.
Patent DE-2357786-A1 (DE)
Title: Portable detector for magnetic fields - has reed contact switch closed in field and connected to signalling device
Inventor: GOLLASCH HEINRICH
IPC: G01R33/02
Filed: 1973-11-20
Abstract: A current source is inserted between the contacts and the optical and/or acoustical signalling device. All three components are exchangeable and inserted into a case with a hollow conical sensor point, in which the reed contacts are placed. The power source is provided by one or more torch batteries. The construction of the apparatus is small and simple to use. A lamp or an illuminated diode can serve as the optical indicating device. Headphones or a buzzer can serve as the acoustic indicating device. The buffer gas switch, the power supply, and the indicating part can be brought, interchangeably, into one housing.
Patent DE-2402325-A1 (DE)
Title: Heat insulating foam has plastics foil between foam and skin - to allow ventilation and expansion
Inventor: SOEFFKY HORST
IPC: E04D5/10
Filed: 1974-01-18
Abstract: The plastics films are either wrapped round the core of each slab of insulating material or run from end to end of length of slabs. An upper skin is attached to the strips by welding. Plastic-coated plates are attached to the bottom layer of the strips to provide an attachment point to a surface. The slabs are pref. of different lengths so that they can be formed into a rectangular roll with the smaller slabs inside.
Patent DE-2406158-A1 (DE)
Title: Holding device for head support - has two parallel rods which can be inserted into parallel tubes
Inventor: ROOS PIUS ANTON
IPC: B60N2/48
Filed: 1974-02-08
Abstract: Holding device for holding a head support with two parallel rods on the back rest of a cushioned seat where the holder has a first and second cross-piece and parallel tubes into which the rods of the head support can be inserted, and which at one end are rigidly connected with the first cross-piece and at the other end have threaded tips. Screwing elements press the second cross-piece against the back rest after the tips are screwed off. The headrest can be quickly removed by lifting it from the parallel tubes but is supported against transverse or lateral pressures.
Patent DE-2423461-A1 (DE)
Title: Construction toy jointed element - made in two parts with connecting head and groove transmitting push and pull forces
Inventor: HERMANN HANS
IPC: A63H33/04
Filed: 1974-05-14
Abstract: Jointed element for a construction toy made in two parts with both parts fitted with connected heads and at least one connecting groove ensuring that the two parts fit together in such a way that push and pull forces are transmitted by one edge for the push forces is located between the slopes. The slopes has a slider unit shaped like pincers as an ear piece support section whilst the section carrying the edge pins has one or more connecting heads. The central edge is a one piece projection of that section carrying the slopes.
Patent DE-2432263-A1 (DE)
Title: Hand held twisting tool for wire binding - has wire coil housing and wire cutter attached
Inventor: KOCH ROBERT
IPC: B65B13/28
Filed: 1974-07-05
Abstract: A hand held twisting tool which is used to bind together objects with steel wire has a helix shaft which is located inside a handle. The free end of the spindle is provided with a hook for the wire. The other end of the tool is provided with a container which houses the wire coil. The wire is taken around the objects which have to be bound, and then onto the twisting hook. After twisting, an integral cutter is used to cut off the wire next to the twisted section. The wire is directly taken up from the roll no matter what kind of packing or binding task is to hand.