baber/WOPTO huggingface dataset:
Patent DE-2431918-A1 (DE)
Title: Determination and evaluation of toxicity for humans, of fluids - by continuously mixing the fluid with cells and monitoring a parameter of their living functions
Inventor: BERTHOLD RAINER DIPL PHYS
IPC: G01N33/14
Filed: 1974-07-03
Abstract: In the continuous determination of the toxicity for human beings of fluids, esp. potable fluids, organisms propagated continuously in a soln. of an original strain, are mixed, together with new nutrient soln. with the sample to be investigated under constant numerical ratios and conditions Damage to the organisms determined by the poison, is determined by the measurement of one of the parameters appertaining to the life cycle of the organisms. Human cells are subjected to the action of the sample being investigated whilst equilibrium of flow is maintained in a number of channels in which different cells-, liver-, kidney-, brain cells, etc.) are present, and for each channel, a partic. measured value for one of the parameters of the living functions of the human cells (O2 consumption, CO2 exclusion) is obtd. Method shows a good correlation with human sensitivity to poisons.
Patent DE-2437079-A1 (DE)
Title: Centrifuge device for non continuous operation - has base and cover joined by connecting strut pairs with various anchorage point combinations
Inventor: BUZGA HEINRICH ING GRAD
IPC: F16C11/06
Filed: 1974-08-01
Abstract: A non continuously operating centrifuge, in partic. a sugar centrifuge is constructed such that the support framework consists of a base element (3), a cover element (4) and three supporting strut pass (1, 11, 111). Each supporting strut pair (1, 11, 111) is connected with the elements (3, 4) by means of a single point anchorages (17, 18, 19) at one end, and by means of two separate point anchorages (14 + 16, 16 + 15, 15 + 14) at the other end. Only three anchorage points are provided on the base section (3) (14, 15, 16) and on the lid or cover (4), (17, 18, 19) respectively. The base element (3) is larger than the cover element (4).
Patent DE-2437113-A1 (DE)
Title: Time assignment speech interpolation transmission system - has buffer store addresses giving magnitude of difference between last and new code words
Inventor: RINGELHAAN OTMAR DIPL ING
IPC: H04J3/16
Filed: 1974-08-01
Abstract: The time assignment speech interpolation transmission system determines the difference between the last transmitted and stored code word and the new code word of that data source and compares this difference with a reference. If this reference is not reached, a logical '0' is generated as address and the code word remains stored; if the reference is exceeded, the new code word is stored and a logical 'L' is generated as an address for passing to the buffer store (12). The contents of the buffer store are synchronously transmitted over the transmission line and used at the receiver to reassemble the code words.
Patent DE-2442569-A1 (DE)
Title: ACTH active region directed antibodies - for ACTH radioimmunoassay
Inventor: LIEMANN FERDINAND PROF DR
IPC: C07K16/26
Filed: 1974-09-05
Abstract: Antibodies (intended for radioimmunoassay) directed towards the biologically active region of the ACTH molecule are obtainable by (a) dissolving ACTH in gelatine solution, (b) emulsifying the solution with an equal volume of Freund's complete adjuvant by shaking in a first phase and by repeated aspiration into and spraying from a syringe and cannula in a second phase, (c) injecting the emulsion into guiena pigs, (d) taking blood from the guinea pigs, (e) leaving the blood to coagulate in centrifuge tubes, (f) separating the clot off in a refrigerated centrifuge, (g) pipetting off the antibody serum, and (h) freezing at -20 degrees C. The antibody has high affinity and specificity for the biologically active (but immunologically weak) biologically active region of ACTH molecule, and gives a radioimmunoassay which can be used in exact studies of ACTH hormonal regulation in vivo.
Patent DE-2444042-A1 (DE)
Title: Screwless terminal for electric equipment - has a lockable clamping contact in a recess of an insulation socket
Inventor: SCHULTZ WILFRIED
IPC: H01R4/48
Filed: 1974-09-14
Abstract: The clamping contact consists of a clamping spring pressing on the clamped wire resting on a support. The clamping spring front end which clamps the wire, rests on the wire support in the socket partition provided with a hole for the wire insertion. Its middle part rest on a fixed support, and its back end is held by a projection of the socket, so that the flat spring is slightly bent and tensioned. The clamping spring (7) completely flat back end is held behind the socket projection (11) only by its tension.
Patent DE-2445040-A1 (DE)
Title: Telephone terminal with two transistor circuits - has circuits controlled from converter via dialling pulse output (AR240775)
Inventor: JIMENEZ JOSE ANTONIO MAESTRE
IPC: H04M1/31
Filed: 1974-09-20
Abstract: The terminal circuit for a telephone apparatus has a first transistor circuit (T1) for the loop. This circuit is controlled from a converter via a dialling pulse output. There may be an output transistor which is connected at its output in series with high-ohmic resistor (R10) and the cradle switch of the telephone set. A second transistor circuit (T5, T6) is controlled over this resistor and charges a capacitor which is connected in parallel with the converter supply inputs. There is a thyristor (TR) which switches the listen and speak circuits to the lines. The dialling pulse output circuit may take a variety of different forms.
Patent DE-2446935-A1 (DE)
Title: Pillow with built in mechanical rocking mechanism for peaceful sleep - has air tubes with variable compressed air supply and release
Inventor: MARECHAL CLAUDE
IPC: A61M21/00
Filed: 1974-10-01
Abstract: The pillow comprises one or more interconnected cavities (2a) connected to a compressed gas source, preferably an air pump and to an outlet valve (15) so that the volume of the cavities can be periodically increased and decreased to provide a gentle rocking motion which is particularly advantageous to anybody with head injuries, nervous tension etc. who is trying to go to sleep. The frequency of the different movements is best set to the person's normal breathing rhythm. The hollow cavities (2) are preferably in the form of cylindrical, resilient air tubes (2a, 2b) mounted fixed parallel in one plane and are covered by two sides of the pillow which assume the shape of the air tubes.
Patent DE-2456683-A1 (DE)
Title: Heat-stabilise of polyamide fibres esp for tyre cords - by addn of copper cpds before and after spinning
Inventor: DARWISH AHMED BEHAA ELDIN EL S
IPC: D01F6/60
Filed: 1974-11-30
Abstract: Prepn. of polyamide fibres heat-stabilised with Cu cpds., in which an amt. corresp. to 10-40 p.p.m. Cu is added before spinning, and the remainder as a Cu salt is added with the spinning prepn. to the fibres. Used esp. for polyamide tyre cords. Harmful effects of Cu deposits in the spinning and stretching equipment are reduced to a minimum, and losses due to plant stoppages reduced. Amt. of copper added before spinning is sufficient to protect the polyamide from degradation during spinning or subsequent removal of low-mol. fractions in vacuum. Final Cu concn. is sufficient to give good light- and heat-stability, and prevent loss in stability after the adhesive dipping process.
Patent DE-2462221-A1 (DE)
Title: Cosmetic retarding ageing of skin - prepd with soluble human collagen extd from tissues esp placenta
Inventor: HADHANYI ANDREAS
IPC: A61Q19/08
Filed: 1974-02-02
Abstract: Cosmetic compsn. contains soluble human collagen, (I) from which non-helical peptides can be sepd. partly or completely, and which is obtd. from human tissues, partic. placenta. (I) stimulate fibril formation, leading to rejuvenation of skin. Use of human (I) prevents transfer of bacteria and latent viruses from animal to man. Modification by telopeptide degradation enhances activity in cosmetic or medicinal fields.
Patent DE-2500096-A1 (DE)
Title: Hydraulic circuit for directional control of fluid - of simple reliable construction allowing constant regulation
Inventor: BLUM DIETER
IPC: F15B11/00
Filed: 1975-01-03
Abstract: Hydraulic circuit for directional control with constant regulation of a vol. of fluid comprises four separate resistance means, of which the first one may be used as a hydraulically controlled two-way valve or as a measuring th throttle means with stroke-limiting means, and a second one may be used as a hydraulically controlled two-way valve or as a pressure regulator. The circuit may be arranged with the valves forming individual components in a control block, with control plates placed on top of the valves, and with elements placed on top of the block of control plates. The circuit may be used to control an injection moulding machine.
Patent DE-2506052-A1 (DE)
Title: Securing bolt for trailer coupling jaw - with spring loaded pivotted handgrip to lock in open position
Inventor: ROCKINGER GEORG DR ING
IPC: B60D1/28
Filed: 1975-02-13
Abstract: The trailer coupling jaw is secured by a spring loaded bolt (3) which is pulled out of the locking position by a hand grip (6) pivotted at the end of the bolt. The handgrip section has an edge (8) which jams against a retaining flange (10) on the shaft housing when the shaft is pulled out and the handgrip twisted to one side. The nose of the bolt is profiled (11) so that when the coupling eye (4) is inserted and runs against the nose, the bolt is lifted and the handgrip drops into line with the bolt. The bolt then automatically drops home to secure the jaw. Only one spring (5) is required for the simple action bolt.
Patent DE-2508791-A1 (DE)
Title: Implosion protection for critical parts of television tube - consists of metal tape applied directly to tube with end contact and stretching elements
Inventor: SOVAK FRANTISEK
IPC: H01J29/87
Filed: 1975-02-28
Abstract: The implosion protection, for the critical parts of a television tube, consists of metal tape in direct contact with the tube. The metal tape has end pieces with holes to accept pegs and tensioning devices. after the pegs have been inserted into the holes, the metal tape is pulled tight by means of the tensioning devices. The metal end pieces are attached to the ends of the metal tape so that a gap is left between the end of the metal tape and the free end of one end piece. This gap accepts the end piece fixed to another part of the metal tape.
Patent DE-2514342-A1 (DE)
Title: Heat exchanger for vessels - e.g. tanks, boilers, processing vessels, whose contents require heating, cooling or temp. control
IPC: F28D1/06
Filed: 1975-04-02
Abstract: In a heat exchanger for liq.-contg. vessels, consisting of passages which encircle the vessel in the form of serpentine spirals and through which a heat transfer medium passes, a corrugated plat eis attached to the plate forming the vessel wall by a weld at the troughs of the corrugations which weld penetrates the vessel wall. The resultant passages are connected with one another at their free ends using connecting pieces in such a way that the passage in one series is connected to that in the preceding series so that a serpentine passage is formed which extends over the entire vessel. The corrugated plates are attached to the vessel plates before the vessel is built so that fitting is made easier and can be automated. By appropriate use of connecting pieces a number of independent passages can be formed.
Patent DE-2516526-A1 (DE)
Title: Hydraulic press with resiliently mounted lower plate - has hydraulic or pneumatic cylinder supporting lower plate
IPC: B30B1/16
Filed: 1975-04-15
Abstract: A hydraulic press has its lower plate (14) resting on a piston (51) which moves in a hydraulic (or pneumatic) cylinder (52), fluid space (56). The cylinder connects (59) over a non-return valve (60) (set to resists the passage of fluid out of the cylinder) to a pressure chamber (61). When the upper plate (13) of the press descends, the lower plate (14) recoils against the resistance of the piston unit it encounters the end of the hydraulic cylinder (51) i.e., it closes the gap (58). The cylinder is rigidly attached to the fixed frame of the press, so from this point of the stroke onwards the lower plate is solidly supported and the working stroke of the press can exert its full effect. The delay before elastic support gives place to solid support can be adjusted by burning the screw-threaded (53) hydraulic cylinder (52) in the nut (54) which holds it in the machine frame.
Patent DE-2517257-A1 (DE)
Title: Slip foil for non-locking positioning of adjacent building components - comprises carrier foils with interposed, lubricated, core foil
IPC: E04B1/36
Filed: 1975-04-18
Abstract: Slip foils enabling adjacent building components to be positioned in non-locking (non-jamming) manner, are usually used in pairs. They feature carrier foils between which there is interposed a very thin dry plastics film that is lubricated on one or both sides. Simple construction and mfr. Slip characteristics are of outstanding quality and remain always constant. The carrier foils are made of polyethylene, polypropylene, PVC, a polyamide, polyoxymethylene or a polyester. The intermediate foil is made of virgin PTFE (opt. contg. a filler e.g. graphite, glass, asbestos Zn, Cd, Pb, their oxides or silica). The slip foil may be laminated with polystyrene, EPDM or a polychloroprene-based elastomer.
Patent DE-2517691-A1 (DE)
Title: Circuit for receiving special signals - has signal transmitted over subscriber line from exchange during loop DC current flow
Inventor: SCHNABEL HARALD DIPL ING
IPC: H04M11/00
Filed: 1975-04-22
Abstract: A circuit for receiving special signals which are transmitted over a subscriber line from an exchange during loop dc current flow. The signal consists of a frequency or of a combination of frequencies. A switching arrangement recognises the loop state and receives the above frequencies. Signal paths leading to or from the switching arrangement are so interconnected that the signal is operative only when individual criteria of a criteria pair "loop current/frequency" appear within a specified time interval. The signal efficiency is dependent upon criterium one or both criteria of the loop current/frequency criteria pair, as well as a feedback signal.
Patent DE-2518777-A1 (DE)
Title: Equipment for dismantling stacks of flat objects - has stacks tipped in inclined position about pivot axis
Inventor: LEHMANN MANFRED DR ING
IPC: B65G59/08
Filed: 1975-04-28
Abstract: The equipment is used for dismantling stacks or parcels of flat objects especially boards positioned within a horizontal platform and a vertical retaining wall. The horizontal platform and the vertical retaining wall are mounted on a common pivoting axis about which they are tipped in an inclined position. After completing the tipping movement the platform slides parallel to the retaining wall. The platform and the retaining wall are tipped and lifted by a drive positioned some distance away from the pivoting axis (5) and engaging the platform (6). Between the platform (6) and the retaining wall (4) is fitted on its side away from the board stack (10) with a spring-loaded pivotably mounted lever (11) which with its bottom end (15) forms a stop for the platform (6) before its tipping movement and which with its top end is engaging a base frame (1) after the tipping movement.
Patent DE-2520075-A1 (DE)
Title: Trace component sepn. from solns. using chromatography - having a first column to remove excess solvent and a main column in which sepn. occurs
Inventor: SCHOMBURG GERHARD DIPL CHEM DR
IPC: G01N30/46
Filed: 1975-05-06
Abstract: Trace components in solns. may be sepd. using two chromatographic columns. The analysis sample is injected between the two columns, and passed through one column to remove excess solvent; by reversal of the carrier gas flow the trace materials are then fed to the main column, in which they are sepd. For chromatographic analysis of solns. in water or other highly polar solvents, where trace materials of low volatility are to be determined. As compared with conventional two-column systems with uni-directional flow through both columns, the time of analysis is shortened and the accuracy is increased by the improved separation of trace components from the excess of polar solvent.
Patent DE-2525935-A1 (DE)
Title: Indestructible electrode for metal smelting furnace - has helical grooves in side walls to rotate arc and eliminate coil
Inventor: PATON BORIS EWGENIEWITSCH
IPC: H05B7/08
Filed: 1975-06-11
Abstract: The indestructible electrode, for merta and alloy smelting furnaces, has a housing with an end piece whose cooled cavity contains a device to rotate the arc between the end pieces and the smelt charge. One of the end pieces side walls has a helical groove acting as the device that rotates the arc. The second side wall of the end piece also has a helical groove to rotate the arc. The advantage of this construction lies in its simplicity and increased reliability and lifetime. The grooves in the side walls allow the axial component of the magnetic field to be produced by the walls themselves, thereby avoiding the use of a coil.
Patent DE-2531415-A1 (DE)
Title: Rotary piston compressor with two meshing rotors - using special sealing and wear reducing materials
IPC: F01C1/10
Filed: 1975-07-14
Abstract: Rotary piston engine has a cage-type rotor (6) and a second, eccentrically located, lobed rotor (7) meshing with the spaces (9) in the first. Both rotate in the space between an outer (1) and an inner (2) casing, fixed to one another, in such a way that the lobed rotor causes cyclic variation of the chambers formed between rotors and casings. Through openings (4, 5) in the outer casing gas is thus drawn into the chambers, compressed and expelled again. All surfaces involved in the prevention of gas leakage are, at least partially, coated with a sealing material which also has good wearing properties, such as white metal, alloys containing lead or certain plastics. A layer of the same material is used, in conjunction with a mating face bearing suitable projections, to form labyrinth glands at the rotor ends. Where these are on a shaft, they may be paired with an annular groove between for sealing fluid, and back-feed threads.
Patent DE-2531785-A1 (DE)
Title: Metal plastic laminated pipe with bond formed by drawing - with improved centring of plastic insert, the metal component having its dia. reduced by drawing
Inventor: RIEGER GERHARD
IPC: B29C63/34
Filed: 1975-07-16
Abstract: The plastic pipe with play is inserted in a metal pipe of which the unfinished dia. is greater than its finished dia. The dia. of the metal pipe is then reduced by drawing, to secure the bond between the two pipes. The drawing process may be repeated several times one after the other. Before inserting the plastic pipe, its surface may be etched and coated with adhesive, or alternatively the same treatment may be applied to the inner surface of the metal pipe before inserting the plastic pipe. Pref. the metal pipe is made of Al-Mg-Si alloy, and the plastic pipe is made of PTFE. In an example, the metal pipe has a wall thickness of 1-18 mm. and an i.d. of 9.5 mm., and the plastic pipe has a wall thickness of 0.7mm. and an i.d. of 6.5 mm.
Patent DE-2532284-A1 (DE)
Title: Electro-optical signalling device - comprising liq crystal between electrodes coated with oriented polyamino acid film
Inventor: OKUMA YOSHIHISA
IPC: C09K19/54
Filed: 1975-07-18
Abstract: An electro-optical cell comprises front and back, transparent electrode base plates lying parallel and in the optical path of the system, which have an electrode film on their inner surfaces, and a nematic liq. crystal of positive dielectric anisotropy enclosed between them. The inner surface of each base plate is coated with a film of poly-alpha-amino acid, which is oriented in a fixed direction, so that the orientation of one film is at an angle to that of the other. Used in electronic calculators, different types of clock, other types of timing device and counting devices.
Patent DE-2537904-A1 (DE)
Title: Rotary plough with hydraulic cylinders - has pivot operation controlled by relative position of centre of gravity
Inventor: ZACH FERDINAND
IPC: A01B3/426
Filed: 1975-08-26
Abstract: A rotary plough, in which the centre of gravity of the plough section can be shifted relatively fore and aft about its rotary plough support mounting, such that the axis of rotation does not pass through the centre of gravity in the operative position, as in the main patent has hydraulic cylinders (D) for the pivoting of the plough body as well cylinders (S) as for sliding the rotary plough section and further cylinders for raising the trailing plough section. A compressed medium pipe (3, 4) is attached to the fittings (10-13) on the cylinders (D, S). The rotating cylinder (D) is so dimensioned that pivoting of the plough occurs only when the centre of gravity is moved to or almost to the rotational axis of the plough section.
Patent DE-2540748-A1 (DE)
Title: Cellular inorganic particles - as crushable protective shock-absorbent layer for plastic pipes
Inventor: MAGARIAN GERALD MALCOLM
IPC: B32B27/14
Filed: 1975-09-12
Abstract: Plastic pipe with a relatively thin layer of adhesive on its outer surface a layer of crushable, multicellular, inorganic particles which are large enough for a large part of the particulate layer to project outwards from the layer of adhesive in order to produce a cellular external strength such that the projecting parts thereof are crushed by breakage to absorb impact energy when the shock reaches a level at which the unprotected pipe would be damaged. Enables relatively thin-walled, fibre-reinforced thermohardened resin pipes which are somewhat brittle, to be protected against shock damage during transport and installation- partic. in the ground.
Patent DE-2545697-A1 (DE)
Title: Light sensitive material for prepn. of printing plates - contg. polymer with (ortho)-quinone-diazide-sulphonyl side gps.
Inventor: WALLBILLICH GUENTER DIPL CHEM
IPC: G03F7/023
Filed: 1975-10-11
Abstract: The material for positively acting photographic coatings is based on polymes having a -C-C- chain carrying O-quinonediazide-sulphonyl side-gps. These are introduced by means of a cpd. (I) having >2-OH and/or -NH2 gps. which absorbs strongly in the wavelength range of 300-400 nm and pref. has a molar extinction coefft. epsilon >103. (I) is partially converted to an o-quinonediazide sulphonic acid ester and/or amide by reaction of some of the -OH and/or -NH2 gps. The resulting prod. (II) still having >=1 -OH or -NH2 gp. is then combined with the reactive gps. of a polymer. The material has improved light-sensitivity and gives mechanically stable printing plates at an increased rate. In an example a light-sensitive polymer was obtd. by reacting 2,2',4,4'-tetrahydroxybenzophenone and 2,1,5-diazonaphthaquinone-sulphonyl chloride with successive addns. of NEt3, acetic anhydride, NEt3, styrene-maleic anhydride copolymer (5% in acetone) and finally more NEt3.
Patent DE-2557541-A1 (DE)
Title: Pill production by pressure pulsed expulsion from nozzle - generated by varying volume of chamber in feed line
Inventor: SCHERMUTZKI KONRAD
IPC: B01J2/02
Filed: 1975-12-19
Abstract: The chamber is constructed as a bellows, equipped with an actuating mechanism reciprocating along its longitudinal axis so as to increase and decrease the length and thus the volume of the chamber periodically. In a preferred arrangement (as shown), the actuating mechanism comprises a movable plate with central aperture, through which the material passes. The upstream side of the bellows is of smaller diameter than the downstream side. Press. fluctuations are produced without any direct contact of needles, pistons or similar mechanical moving parts with the material, thus reducing mechanical wear and minimising operating noise.