baber/WOPTO huggingface dataset:
Patent DE-1812087-A1 (DE)
Title: Position detector for components in radio - actively contaminated locations
Inventor: VOGT FRIEDHELM
IPC: G21C17/08
Filed: 1968-12-02
Abstract: A packet of needles guided in several perforated plates is inserted into guide tube above a fuel element which is to be located in a nuclear reactor. Glass plate seals off the guide tube but allows a visual observation of the top of the packet of needles which is an image of the fuel element top and can be aligned relative to cross wires on the glass plate. Sealing can be improved if the needle diameter and the hole diameters in the perforated plates are staggered.
Patent DE-1814878-A1 (DE)
Title: Separating heavy tar from the condensed - liquids of coking furnaces
Inventor: HANS-J VON MASSOW DIPL-ING
IPC: C10C1/02
Filed: 1968-12-16
Abstract: Boxes for separating heavy tar from the condenser liquids of coking furnaces. The device has a crank drive which is driven by the discharge drive and connected with the devices of the scrapers. Addn. to 1246670.
Patent DE-1904140-A1 (DE)
Title: Coated chewing gum
Inventor: OGAWA KOICHI
IPC: A23G4/04
Filed: 1969-01-28
Abstract: The mean mol. wt. of the basic gum material composed of chicle resin and natural or synthetic gums is reduced by an admixture of shell butter resin produced from shell butter fruits by extracting and rectifying. The obtained chewing gum of reduced viscosity is mixed with a small amount of invert sugar, starch syrup, millet jelly and other additives. This chewing gum is coated at temps. of 40-90 degrees C with a liquid or semi-liquid mixture of sugar and millet jelly. A device for automatic coating of strips of chewing gum is described.
Patent DE-1911580-A1 (DE)
Title: Production of a mean inner diameter on rings - during processing on ring rolling mills
Inventor: PETER ROESSEL DIPL-ING
IPC: B21H1/06
Filed: 1969-03-07
Abstract: The function of the measured value of the inner diameter varies periodically by a mean value which increases relatively slowly. In the vicinity of two successive extreme values of this function, the relevant values of the inner diameter are stored and the mean value of two such successive stored values is continuously formed.
Patent DE-1920280-A1 (DE)
Title: Green iron pellet production
Inventor: WERNER WENZEL PROF DR-ING
IPC: C22B1/24
Filed: 1969-04-22
Abstract: Green pellets are made from fine grain iron ore by adding similarly fine grain ore to it. The additive has a degree of reduction of 10%. The mixture then contains more than 10% of the additive. Specifically, the reduced material is heated as quickly as possible at the reduction temp. e.g. for 1 hours at 1000 degrees C and then quickly cooled to normal temp. by a cooled gas flow or in water.
Patent DE-1921279-A1 (DE)
Title: Application of textiles containing animal - fibres for garment lining
IPC: A41D31/00
Filed: 1969-04-25
Abstract: Textiles are used for lining to garments and are attached by adhesives. The animal fibres are subjected to the usual combing process before weaving is commenced. Alternatively the combing may be undertaken after weaving, or in fact it can be achieved by treating with chlorine (compds) such as dichlorocyanic acid and its salts, and if required followed by treatment with reactive plastic resin.
Patent DE-1938240-A1 (DE)
Title: Galvanising a metal layer on one surface of - steel bands
Inventor: REDDER HANS
IPC: C25F3/14
Filed: 1969-07-28
Abstract: Metal deposition obtained on the lower surface of a metal band during galvanization of the top side, or vice versa, is partially removed electrolytically and completely removed by pickling. Alternatively, the layer is removed entirely by pickling. In each case, only the required band surface contacts th pickling soln. contng. phosphoric acid and phosphates so that, in situ the band's lower surface is phosphatized.
Patent DE-1945003-A1 (DE)
Title: Joining steel reinforcement rods by butt- - welding
IPC: B23K5/00
Filed: 1969-09-05
Abstract: The rod ends to be joined are melted with a gas flame and subsequently pressed together in stages of approx. 2 sec. at 3 kg/mm2 and then for approx 10 sec. at 7 kg/mm2.
Patent DE-1945929-A1 (DE)
Title: Two-for-one twist spinning
Inventor: ALTHOF LUDWIG
IPC: D01H1/10
Filed: 1969-09-11
Abstract: Smaller spindle and reduced balloning are ensured by guiding the yarn in a channel outside the spindle and set at an angle to the latter. The double twist is due to a twist tube at the inlet of the channel and at the outlet of the latter by contact with an elastic inert wall. The two-for-one spinning unit allows a compacter frame design and lower power consumption as well as high operational speed to be introuced.
Patent DE-1956615-A1 (DE)
Title: Pallet foamed plastics
Inventor: NICKEL WILFRIED
IPC: B65D19/00
Filed: 1969-11-11
Abstract: Foamed plastics pallet walls or uprights are twice the thickness of the surface plates, and the density of the upright material compacts as the thickness diminishes. The outer rims of the surface plates are set back from those of the upright components of the pallet. The ribs on the plates are spaced to form fork entries, possibly expanded out in funnel design to ease this. Surface hardness of the flat surface plates is much higher than that of the upright walls.
Patent DE-1958038-A1 (DE)
Title: Plunger type magnetic armature
Inventor: BUERKERT CHRISTIAN
IPC: H01F7/08
Filed: 1969-11-19
Abstract: Armature, which is used for operation of valves and sliders for hydraulics, pneumatics etc. has a self-lubricating coating based on fluorocarbon resin. Pref. the coating consists of organic lacquer, which contains solvents when applied, and fluorocarbon particles. The outer layer contains the majority of these particles. The coating is adhered by annealing.
Patent DE-2024605-A1 (DE)
Title: O,o-dialkyl-thiophosphoryl chlorides by - continuous process from phosphorus sulph
IPC: C07F9/17
Filed: 1970-05-20
Abstract: A continuous process for producing (RO2)P(S)-Cl (where R = lower alkyl) from RONa and P(S)Cl3, which comprises continuously supplying to a system contg. P(S)Cl3 (pref. in an active solvent e.g. toluene or benzene), 2.0 to 2.3 moles (per mole of P(S)Cl3) of NaOR in alcohol soln. along the direction of the stream in divisional manner in 3 to 8 fractions, substantially smaller amounts of the fractions being supplied towards the downstream side. The reaction is carried out at =30 degrees C with stirring, and keeping the av. residence time of the reacting soln in the reaction system within 6 hrs. The prods are useful intermediates for agricultural chemicals, lubricants and stabilisers.
Patent DE-2024841-A1 (DE)
Title: Capsule case for medications
IPC: A61J3/07
Filed: 1970-05-21
Abstract: The capsule is in two parts, the cap has an inner sealing ring widening towards its sealed end while the filling half has a sealing ring which widens towards its open end. Both sections have the same slope to the capsule axis and the same measurements thus forming a relatively wide ring when joined. The cap has a collar extending from a constriction below the seal to the open end and widening towards this end.
Patent DE-2024981-A1 (DE)
Title: Diaphragm valve - for blending softened and hard water
IPC: F16K11/22
Filed: 1970-05-22
Abstract: Apparatus for blending softened water with raw hard water, e.g. to improve the otherwise insipid taste, having a raw water feed pipe incorporating a throttling device, connected in parallel with a water softener which can be shut off, in which a shut-off device, partic. a diaphragm valve sensitive to the water pressure is provided downstream from the water softener.
Patent DE-2029369-A1 (DE)
Title: Semiconductor low reverse current barrier layers
IPC: H01L21/04
Filed: 1970-06-15
Abstract: Silicon carbide barrier layer devices, esp. diodes, are immersed in dilute hydrofluoric acid with reverse bias applied across the barrier layer. The etching effects a significant reduction of leakage current by limiting the volume effect current flow, e.g. with 100 V reverse voltage from typically 200 uA to 0.02/ua.
Patent DE-2034017-A1 (DE)
Title: Monoaxially drawn polyolefin sheets - by extruding and drawing mixt of polyethylene and two polypropylenes with similar
IPC: C08L23/10
Filed: 1970-07-09
Abstract: Monoaxially drawn sheets are produced from a mixture of (I) 40-60wt.% polyethylene with a density of 0.940-0.965 g./cm2 and an intrinsic viscosity of 2-4.5 dl/g. (measured in decaline at 130 degrees C), and (II) 60-40wt.% of a mixture of (a) 70-80wt.% polypropylene of which less than 1wt.% is soluble in boiling toluene at a wt. ratio polypropylene : toluene of 5:95, and (b) 30-20wt.% polypropylene of which more than 99wt.% is soluble in boiling toluene at a wt. ratio polypropylene : toluene of 5:95. Polypropylenes (IIa) and (IIb) have approx. the same intrinsic viscosities in the range 1-10 dl/g. (measured in decalin at 130 degrees C), and also approx. the same mol. wt. distributions as determined by the gel permeation chromatography method. Gives sheets with a high flexibility which are esp. suitable for use in packaging.
Patent DE-2035471-A1 (DE)
Title: Tensionless feed device - for winding twisting or knitting machines
IPC: B65H59/38
Filed: 1970-07-17
Abstract: A photoelectric device monitors the degree of slackness in a yarn passing from a driven feed roller to a take-up point and when the yarn path becomes too taut the photoelectric detector activates a mechanism which accelerates the driven feed roller. A timing device restricts the period of acceleration so that there is no subsequent need for retardation by the yarn path falling below the lower level of slackness.
Patent DE-2102774-A1 (DE)
Title: Reflecting insulating layers - for sound and heat absorption in buildings
IPC: E04F13/12
Filed: 1971-01-21
Abstract: Additional insulation is provided by reflecting foils of Al coated polyethylene Al etc., or by fibre, mineral wool or foamed layers coated with such foils. The reflecting foils are incorporated directly into walls or ceilings.
Patent DE-2120476-A1 (DE)
Title: Heat exchanger construction - screwed clamp provides leaktight joint of u-bend to parallel tubes
IPC: F28F9/10
Filed: 1971-04-27
Abstract: Two parallel tubes are fitted to an end plate and joined by a U-bend to provide a continuous path for the cooling medium, the U-band is also fitted to a plate. The ends of both tube and U-band may be welded, to be expanded in their respective plates. They may also be flanged. A resilient gasket having holes which correspond to the tube configuration, is sandwiched between the plates which is pressed together by a single centre screw, forming a leaktight joint. This arrangement is easily dismantled for cleaning and general maintenance work.
Patent DE-2126946-A1 (DE)
Title: Electrochemical grounding rod for connect - ing wires to the soil
IPC: H01R4/66
Filed: 1971-05-29
Abstract: Electrochemical grounding rod for connecting wires to the soil. Device comprises a metal pipe, open at both ends, filled with moisture-adsorbing metallic salts. These salts are retained within the pipe using glass wool, and dissolve in water to form a highly conductive electrolyte. The pipe is partially buried vertically and exposed to the atmosphere. The salts adsorb moisture, run out of the bottom end opening and permeat the soil to make a good electrical contact between the pipe and soil. Thus a neutral ground wire from an electrical device line may be connected to the soil.
Patent DE-2130669-A1 (DE)
Title: Open end spinning machine - has moving elements driven by single drive motor
Inventor: NIESTROJ HEINRICH
IPC: D01H4/48
Filed: 1971-06-21
Abstract: The fibre feed device, spinning device, and take-up rolls are all driven via gearing from a common drive motor which may be driven at high or low speeds corresponding to a piecing-up or start-up speed and a spinning speed. Pref. the motor control circuit includes two rheostats which can be switched into or out of circuit to run the motor at the high or low speeds, and pref. the take-up rolls are connected to the motor by a clutch so that take-up can commence after fibre feed. During piecing-up, the relative speeds of the elements is maintained, reducing end-breaks and preventing increase or decrease in yarn dia. where the yarn been pieced up.
Patent DE-2134502-A1 (DE)
Title: Cyclic tris-amino-methane cpds - useful as plant-protection agents and as inters
Inventor: HOCKER JUERGEN DR
IPC: C07D233/02
Filed: 1971-07-10
Abstract: Triaminomethane derivs. of formula (I): (where R3 and R4 are opt. substd. aliphatic, aromatic, heterocyclic or aralkyl residues, or NR3R4 is a 5- to 7-membered ring), are prepd. by reacting HNR3R4 with a cpd. of formula (II) at -20 to +200 degrees C; (where R1 is an opt. substd. aliphatic, aromatic or heterocyclic residue, and R2 is not >3C alkylene which is opt. substd. by lower alkyl, Cl or CN and in which a double bond may be present, or R2 is a single bond of a 5- or 6-membered cycloaliphatic ring or of a fused benzene ring).
Patent DE-2157988-A1 (DE)
Title: Compound foamed plastics material prodn - by forming and hardening polystyrene with phenolic resin
IPC: B29C44/20
Filed: 1971-11-23
Abstract: Impact and fire resistant cpd. foamed plastics material as in DT 1253550 is produced in a simplified manner in that the prefoamed polystyrene pearls or foamed polystyrene waste materials are coated with phenolic resin contg. hardening and foaming agents and opt. other additives and the phenolic resin is foamed under influence of heat and formed and hardened with the foamed polystyrene.
Patent DE-2205252-A1 (DE)
Title: Ptfe lined flange gasket - of rubber bonded asbestos fibres for hot water equipment
Inventor: KOHNKE HANS-JUERGEN DIPL ING
IPC: F16J15/10
Filed: 1972-02-04
Abstract: The flange seal is formed as a single, one-piece gasket with corresponding opening for the component parts passing through it and arranged between the flange(s) to be sealed and a metal counter flange. The side of the gasket facing the water has a relatively thin layer of plastic with a high thermal resistance bonded to it i.e. silicone or PTFE.
Patent DE-2209041-A1 (DE)
Title: Glucose isomerized to fructose - by isomerase formed by fermentation with streptomyces
Inventor: LAMM WILLIAM RAYMOND
IPC: C12N9/92
Filed: 1972-02-25
Abstract: A glucose isomerase is obtd. by cultivating, in stages, a micro-organism, in aerobic fermentation conditions, in the presence of, at least in the final stage, an ammonium salt and a liquor formed by homogenisation of maize. The micro-organism is of the streptomyces type. The quantity of maize liquor is 0.25-5% and of ammonium salt 0.25-3% of the aq. medium which also contains an hydrolysate, contg. 0.25-5% of xylose. The pH is held at 62-68. Used for the production of fructose, with high yields.
Patent DE-2240856-A1 (DE)
Title: Washing compsns contg cyclopentane tetracarboxylic acid - with increased washing power
Inventor: HAUF GUENTER DR
IPC: C11D3/00
Filed: 1972-08-19
Abstract: The all-cis isomer of cyclopentane-1,2,3,4-tetracarboxylic acid or its salts has much higher washing power than the other isomers. It is equal or ven superior to polyphosphate builders, esp. at relatively high temps. (e.g. 95 degrees C) as its complex-forming power is not diminished. PreF. >60 esp. >80% of the title cpd. contained in a washing, cleaning or rinsing compsn. should be in the all-cis form.
Patent DE-2306892-A1 (DE)
Title: Flowable polyolefin moulding compsn. - comprising mixt. of polyethylene and mixed polypropylenes
Inventor: MOORWESSEL DIETER DIPL CHEM DR
IPC: C08L23/06
Filed: 1973-02-13
Abstract: Title compsn. consisting of (1) 40-60 wt. % polyethylene and (2) 40-60 wt. % polypropylene, which is a mixt. of (a) 70-90 wt. % of a polypropylene of which 1 wt. % is sol. in boiling toluene (at a wt. ratio of polypropylene:toluene of 5:95) and (b) 10-30 wt. % of a polypropylene of which >99 wt. % is sol. in boiling toluene (under same wt. ratio). However (i) the sum of the wt. % of components (1) and (2) as well as (a) and (b) resp. amts. to 100, (ii) the polypropylene under (a) and (b) show approx. the same m.w. distribution (determined by gel-permeation chromatography) (iii) the polyethylene has a density between 0.935 and 0.965g cm-3 and Melt Flow Index (MFI) (DIN 53735 at 230 degrees C and 2.16kg loading) of 4-15g 10 min-1 and (iv) the polypropylene mixt. has a density from 0.895-0.910 g cm-3 and MFI of 4-15g 10 min-1 the absolute values of the MFI of polyethylene (1) and polypropylene mixt. (2) being approx. identical.
Patent DE-2309643-A1 (DE)
Title: Electrolytic coating - for copper plating photo-type cylinders
Inventor: ELSEN NICOLAS
IPC: C25D7/04
Filed: 1973-02-27
Abstract: The workpiece is placed horizontally in the bath in a semicylindrical mesh container which has a double wall which contains the anode.
Patent DE-2309911-A1 (DE)
Title: Biconical solid bowl centrifuge - with disc rotating at worm conveyor speed sepg. settling and discharge sections
Inventor: LURZ KLEMENS DIPL-ING
IPC: B04B1/20
Filed: 1973-02-28
Abstract: A solid bowl centrifuge used to separate suspensions into fluid and sludge, has a biconical shape, sepd. by a twin disc into a settling section and a discharge section. The disc dips into the settled sludge and carries a worm conveyor which has also a biconical shape. Channels arranged radially inside the disc are used to distribute the suspension uniformly and to direct it axially into the settling section. Axial holes in the disc, separate from the channels, join the settling section to the discharge section.
Patent DE-2315531-A1 (DE)
Title: Call signal generator for radio-telephone stations - consists of Schmitt trigger with integrator and following diode network
Inventor: WOLFF WERNER DIPL ING
IPC: H04B1/04
Filed: 1973-03-28
Abstract: The diode network consists of two diodes for the positive half-wave, two diodes for the negative half-wave, and of a common resistor for the load limitation adjustment. The first diode of the first diode pair is in series with the second diode of the second diode pair of opposite polarity, between the generator output and a higher potential point. The two other diodes are similarly connected between the generator output and a lower potential point at a common voltage divider. The common resistor connects together junction points between diodes of opposite polarities. The diode network is connected through a capacitor to the generator output.
Patent DE-2315584-A1 (DE)
Title: Integrated roll train for steel wire prodn. - with straight, insulated bar storage channels before intermediate rolling stage
Inventor: BRAUER HANS
IPC: B21B39/18
Filed: 1973-03-29
Abstract: An integrated straight-line roll-train is for the continuous conversion of large billets of normal of high-grade steels to wire using straight, insulated bar storage channels or tubes prior to the intermediate rolling stage, and thereby obtains high prodn. rates with optimum use of rolling equipment. The billets can be fed automatically from the billet-heating furnace through a high-press. water descaling unit, then through the roughing stage, which consists of four two-high roll-stands in a H-V arrangement, where they are reduced from 140 mm. square to 85 mm. square. The bars then pass via a distributor to one of four insulated storage tubes which can opt. be fitted with heating devices on the outlets and which include driving rolls to control the speed of the bars. Each storage tube is mounted in line with an intermediate rolling stage consisting of two H-V roll-stands and three-high stands where the bars are rolled to a hexagonal section, after which they are reduced in the final stage to round wire down to 5.0 mm dia. The intermediate and final stages can be run at speeds of 50 m/s and the final stage is followed by water cooling and coiling. In addn. to the rolling of single rods, multi-storage channels can also be used.
Patent DE-2328589-A1 (DE)
Title: Carrier lifetime measuring device - nondestructively measures local carrier lifetime in SC plate, esp. in silicon plate
Inventor: KELLER WOLFGANG DR RER NAT
IPC: G01R31/26
Filed: 1973-06-05
Abstract: An oscillating circuit is connected to an h.f. oscillator, and the SC plate zone to be tested is capacitively coupled to the oscillating circuit, which is damped in accordance with the plate conductance. The plate is illuminated with light flashes, and a meter is connected to the oscillating circuit, which measures its resonance voltage, this being a measure for the conductance of the SC plate coupled zone. The variation of this value in time gives the carrier lifetime in the plate zone illuminated by the light flashes.
Patent DE-2339884-A1 (DE)
Title: Prefabricated component reinforced-concrete high-diving-board - with beams under jump-off panels and uprights statically forming storey-frame together
Inventor: LIMMER LUTZ DR
IPC: A63B5/10
Filed: 1973-08-07
Abstract: The assembly, of prefabricated components erected at the swimming-pool edge, incorporates jump-off panels, joined to balustrades, screwed onto two transverse beams. The latter in turn are joined by screws to vertical support elements, to be set up parallel to the panel's length so as to provide a statically effective frame in conjunction with them. Components, none of which is excessively heavy on its(own) can be rapidly assembled on site, providing jump-off boards at heights between 1 and 10m, without the labour involved in site-concrete construction; it is non-corroding, and can be dismantled and moved to a different position.
Patent DE-2346716-A1 (DE)
Title: Upgrading fresh water diatomaceous earth - by removal of crystalline silica and classifying into grain sizes
Inventor: GIESICKE HANS-JOACHIM
IPC: B01J20/14
Filed: 1973-09-17
Abstract: The undesirable crystalline SiO2 content of fresh water diatomaceous earth is removed and the remaining material is classified to give a porous mineral powder with a stepless gradation of particle size. Opt. clay-silicate and/or Al2O3 cpds. can be added to material which has partic. particle size of 33 mu. Material with props. similar to salt water diatomaceous earth is obtd.
Patent DE-2358882-A1 (DE)
Title: Pivot mounted screw drive - vertical pivot axis passes through arc of contact of screw threads
Inventor: GAERTNER ROBERT DR ING
IPC: F16H25/22
Filed: 1973-11-27
Abstract: A screw drive with a threaded spindle passing eccentrically through an internally threaded composite ring mounted inside a ball bearing carried inside a square frame which can tilt about a horizontal axis, as in the main patent, has this frame mounted inside a U-shape frame, attached by pivots so as to be able to swing about a vertical axis. This axis is offset from the axis of the ring and the screw so as to pass through the arc of contact between the threads.
Patent DE-2359833-A1 (DE)
Title: Aiming device with polarisation filter - used mainly for firing of sports guns at flat targets
Inventor: MERKEL HANS
IPC: F41G1/42
Filed: 1973-11-30
Abstract: The rear aiming device is mounted on a support which can be adjusted relative to the barrel longitudinal axis. This support accommodates the aiming disc with small central round holes. The foresight which is covered by a tubular tunnel is arranged on the barrel muzzle. A foresight with a central hole is held in this tunnel. This aiming system can be rapidly and conveniently adapted to different lighting conditions and no loss of contrast is involved. Two polarisation filters are arranged in the region of the rear sight and one into the foresight tunnel. The polarisation filters have circular central openings and these polarisation filters can be rotated. The aiming system eliminates any glare.