baber/WOPTO huggingface dataset:
Patent DE-2509901-A1 (DE)
Title: Removing volatile components from molten polyamides - by applying vacuum-simultaneously introducing superheated finely divided steam below surface of polyamide
Inventor: HANSEL WERNER DIPL CHEM
IPC: C08G69/46
Filed: 1975-03-07
Abstract: Volatile components are removed from molten polyamides by placing the polyamide under vacuum, and simultaneously introducing superheated steam in finely-divided form below the surface of the polyamide through a sintered matl. having a pore size of 5-100 mu. Effects highly turbulent mixing of the molten polyamide and steam, so that matl. exchange is highly intensified. Volatile components are removed efficiently using a low wt. ratio of steam to polyamide.
Patent DE-2518167-A1 (DE)
Title: Sound conducting bar with window tone scale - has pointer and indentifies and indicate me of each tone
Inventor: PEPPENHORST HEINZ BERND
IPC: G09B15/02
Filed: 1975-04-24
Abstract: A sound identification bar with a window above which there is a scale with every basic note of the following eight tone keys:- Dur, Aolic mole, harmonic mole, melodic mole and the four tone types - Darian, Phrygian, Lydian and the mixolydian. To read off the given note the pointer in the indentification bar is moved so that the name of the note can be read-off the scale above the window. The pointer records, on the front and on the back of the board four tone types in half tone intervals in the form of a jagged line.
Patent DE-2518649-A1 (DE)
Title: Thermoplastic tubing extrusion head - has flow supply channels of reduced flow resistance leading to the annular extrusion slit
Inventor: MAIER RUDOLF
IPC: B29C48/09
Filed: 1975-04-26
Abstract: In a tube extrusion head for the prodn. of annular section bodies of thermoplastic material, having a housing within which a mandrel is supported centrally by holding devices, to form an axially traversed annular flow channel between the mandrel and the housing, the mandrel holding devices extend axially and are located in the axial projection between the central feed and the annular channel. This gives an extrusion head in which the mandrel holder can be easily manufactured with high precision, yet offers low resistance to flow and therefore reduces pressure losses. Specifically, the extrusion head has an annular piston axially displaceable in the housing in the forward or ejection direction by a hydraulic servo-motor and the return direction by the pressure of the material.
Patent DE-2522982-A1 (DE)
Title: 1-Substd. silatranes prepn. - by reacting triethanolamines with substd. trialkoxy silanes in a low boiling polar organic solvent
Inventor: WORONKOW MICHAIL GRIGORJEWITSC
IPC: C07F7/18
Filed: 1975-05-23
Abstract: 1-Substd. silatranes of formula (I) (where R is -CH2-CH2- or -CH(CH3)-CH2-; Z is a divalent hydrocarbon residue, pref. a straight-chain 1-3C residue; X is H, lower alkl, aryl, F, Cl, Br, I, CF3, NH2, SH, CNS, R1M, (R2O)2P(O) or R3C(O)M; R1 is 1-4C alkyl, aryl, aralkyl, or alkaryl; M is O or S; R2 is lower alkyl R3 is 1-4C alkyl, aryl, RF or A-C6H4-O-CH2; RF is a fluorocarbon chain with 1-10C atoms, pref. a 1-4C branched-chain residue; and A is halogen, lower alkyl or lower alkoxy; e.g. 1-chloromethyl-silatrane, are prepd. by reacting triethanolamines of formula N(ROH)3 with trialkoxy-silanes of formula X-Z-Si(OR4)3 (where R4 is lower alkyl) in a low-boiling polar organic solvent (pref. acetone or (m)ethanol opt. in the presence of a catalyst. (I) are used in medicine for healing wounds, ulcers, burns and dermatitis and as antiallergic agents for the prophylaxis and treatment of some types of alopecia, as specific biostimulants on animal and poultry rearing, and as plant growth regulants. Used of a low-boiling polar organic solvent gives (I) in high yields and purity, and simplifies process technology.
Patent DE-2523808-A1 (DE)
Title: Printing ribbon for high speed printer - includes foil segment and collars on cores for wrapping
Inventor: WILCKE GERHARD
IPC: B41J17/22
Filed: 1975-05-27
Abstract: Printing ribbon for high speed printers is fixed at its ends to cores and is distinguished by an airtight foil segment (14) between core (11, 12) and the ribbon (16). Width of the foil is at least that of the printing ribbon and its length consists of a multiple of the circumference of the rewound printing cloth reel. Part of the foil segment is wider than the printing ribbon. One of the cores has collars (19) and part of the foil overlaps onto their surface. The foil is connected to the printing cloth by a glued strip (15) which carries a reversing rail (17).
Patent DE-2523990-A1 (DE)
Title: Stable tetravalent nickel hydroxide - useful as cathodic material for primary or secondary batteries
Inventor: MEGAHED EL SAYED
IPC: C01G53/04
Filed: 1975-05-30
Abstract: Stable tetravalent NiOOH is formed by (a) mixing NaOH, KOH, CsOH, LiOH or RbOH with Ni(ON)2 to form a mixt. contg. 5-40 wt. % alkali metal hydroxide based on Ni(OH)2, and (b) dry oxonating the mixt. The stability of the oxyhydroxide provides good capacity retention and low gassing rates which give a low degree of cell bulging. A smaller improvement in gassing rated is noted if KOH is added after ozonation. the alkali metal hydroxide is pref. 5-40 wt. % KOH, 5-30 wt. % NaOH or 5-20% LiOH. Ozonation is effected at room temp., esp. 15 degrees C.
Patent DE-2525555-A1 (DE)
Title: Frequency signals used to control rolling mill stands - to eliminate multiple connections and permit very rapid stand change
Inventor: RETH ERICH
IPC: B21B37/00
Filed: 1975-06-07
Abstract: Process for monitoring, controlling and adjusting the electrical equipment on rolling mill stands, esp. on interchangeable stands receiving command signals transmitted by a master controller. The novelty is that the commands are transmitted by frequency signals. The frequency signals are pref. transmitted by radio, or by carrier frequency using the mains electricity supply cable. The pref. devices include a transmitter and receiver on both the master controller and the mill stand, with coding and decoding appts. at both locations. When the mains supply is used to carry the signals, press. contacts and inductive energy transmission elements are pref. employed. In modern rolling mills, rapid stand change is essential but existing quick-action connectors with 80-100 contacts do not function properly in the arduous and dirty working conditions. Using the invention, only the mains supply requires connection so that poor connections do not impair the standard and actual control signals.
Patent DE-2525743-A1 (DE)
Title: Blood pressure manometer and compressor - has machine switched on and off by positioning recording card in apparatus
Inventor: KLEIN JOHANN
IPC: A61B5/021
Filed: 1975-06-10
Abstract: The blood pressure gauge uses korotkoff sounds so that the coefficients emanating from the pressure cuff chamber or transmitter are fed to a signal transformer and registered on a recording card. The apparatus is switched on and the measurements fed into the apparatus only when the recording card is inserted in the machine. The apparatus is switched off when the card is removed. The automatic pressure increase in the cuff is maintained by a compressor until the systolic value is exceeded. Only then is the compressor switched off and the pressure slowly reduced for precise measurement of the systolic and diastolic pressures.
Patent DE-2528435-A1 (DE)
Title: Combined baking oven for gas and electricity - has ceiling and bottom gas heating ducts with insertable electric heating elements
Inventor: MAUERMANN PAUL DIPL ING
IPC: A21B1/22
Filed: 1975-06-26
Abstract: The oven has the ceiling and bottom of each baking chamber so designed that they can be used as heating gas ducts for top and bottom heat radiators which are controlled by adjustable sliders at the side. Electric heating elements are also provided at the duct sides towards the baking chambers. This saves having to use gas fired baking ovens when the electricity supply undertakings cut off the supply for baking in the morning peak hours. The new oven is cheaper than two separate gas and electric ovens. The heating-up time is reduced compared with a pure gas fired oven.
Patent DE-2528940-A1 (DE)
Title: Flame cutting machine photo-electric probe head - has output signal torsion motor connected and synchronised correction device
Inventor: HAHN GUENTER
IPC: B23Q35/128
Filed: 1975-06-28
Abstract: A flame cutting machine, with a photo-electric head probing line reference or an edge, has its output signal conducted to a finishing cut motor for adjustment of the probe head in the direction of the tangent to the line reference. A tool torsion installation with its motor adjusts the tool in the direction of the tangent to a predetermined feed direction. The output signal of the probe head is additionally conducted the torsion motor, and also a synchronised correction device is connected to both finishing cut and torsion motors. The correction unit has a tool rotation indicator mechanically connected to the torsion motor, and a probe rotation indicator likewise connected to the finishing cut motor.
Patent DE-2534649-A1 (DE)
Title: Continuous mixer for wood chips or fibres and liq. glue - with feed grooves on mixer arms of hollow shaft revolving at supercritical speed
Inventor: ENGELS KASPAR
IPC: B01F15/06
Filed: 1975-08-02
Abstract: The raw materials are continuously mixed in a horizontal cylinder with a coaxial mixer shaft which revolves at supercritical speed for the glue introduction. Centrifugal ejector arms which protrude from the shaft and dip into the fluid ring formed on the periphery are fitted with lengthwise grooves which communicate with the hollow shaft. This coats the solid particles extremely uniformly. The risk of clogging up the glue ejector elements is reduced and they can be cleaned more readily.
Patent DE-2535542-A1 (DE)
Title: Double piston engine with circulating weights - has cylinders with insert weights for balancing, while gears have bores to eliminate out-of balance forces
Inventor: GOEDECKEMEYER ULRICH
IPC: F01B15/00
Filed: 1975-08-08
Abstract: Two double cylinders are so connected with four intermeshing gears via crank shafts that cylinders and pistons are set into circular, opposing motion, and so transmit the drive to a gear. The cylinders have an insert weight at the rear end for weight balancing, while the gears have to eliminate out of balance forces. Two ball pumps effect the circulation of the liquid cooling via channels in the piston rods and the pistons. Specifically, there are two ball pumps included in the motion of the cylinders and pistons. The centre of gravity of the four circular paths and thus the cylinders and pistons is supported in the middle of the crank pins.
Patent DE-2541041-A1 (DE)
Title: Secure mounting for name:plates or strips - permits adjacent placement or superposition by use of U-section frame
Inventor: STUELLENBERG EGON
IPC: G09F7/10
Filed: 1975-09-15
Abstract: Name-plates, or label strips are securely mounted in a frame (1) which permits the strips to be fitted, adjacent to one another or overlapped. The frame consists of a U-shaped section (2) with drawn-in sides (3, 4). The labels (5) or name-plates (6) extend over the whole inside wall of the frame (1). They are inseted from the open sides of the U-shaped section (2). Strips, which are connected with one another, can be used as labels. The uppermost strip has a projection (9) on the back and the name-plate (6) has a projection (9) on the top of the back. The projections (9) engage in a recess of the frame (1).
Patent DE-2542220-A1 (DE)
Title: High definition optical signals for traffic control - uses gas laser or laser diodes with lenses providing monochromatic light beam
Inventor: GAERTNER WALDEMAR DIPL PHYS
IPC: F21Y101/00
Filed: 1975-09-22
Abstract: The generation of traffic signals of high definition under all conditions of weather and ambient lighting is achieved using a monochromatic light beam provided by either a gas laser or laser diode. A single larger diameter indicator may be generated by a gas laser (1) providing a coherent beam (2) for an optical telescope arrangement based upon a bi-concave lens (3) and a plane convex lens leash (4). The resulting coherent beam (5) is thereby amplified. An alternative version uses a laser diode located at the focal point of a concave mirror. The reflected coherent light provides an efficient display. A number of such devices may be arranged in a matrix format to allow the display of alpha-numeric information.
Patent DE-2543894-A1 (DE)
Title: Hydrogen prodn. from water - using iron oxide, hydrochloric acid, and heating
Inventor: KNOCHE KARL-FRIEDRICH PROF DR
IPC: C01B3/06
Filed: 1975-10-01
Abstract: Hydrogen is mfd. using a multistage, circulatory thermochemical process employing auxiliary reactants from the Fe-Cl system. The novelty is that FeCl2 is converted by steam to fe3O4, HCl and H2 which is removed from the process; the Fe3O4 is reacted with HCl to form FeCl2, Cl2, and H2O; the Cl2 is removed or reacted with steam to form HCl and O2, the O2 being removed; and the cpds. not removed from the process are recycled. The Fe cpds. are pref. held in one or more reactors which are periodically reversed and in which the cpds. are in solid beds. The process only entails three stages and can be economically applied to the large scale mfr. of H2 from water.
Patent DE-2544054-A1 (DE)
Title: In-service inspection of nuclear pressure vessel - through removable panel in revolving insulation ring giving all-round access
Inventor: BEST HEINZ ING GRAD
IPC: G21C17/007
Filed: 1975-10-02
Abstract: The rotationally symmetrically vessel, is surrounded by an insulating casing. The casting, or a portion of it, can be rotated around the vessel and contains a removable panel; when removed, the panel exposes an access opening through the insulation, enabling a test appts. to be introduced into the space between the insulation and the vessel. Regular in-service inspection of the outside face of the vessel can be carried out, without the need to remove large areas of external insulation.
Patent DE-2545499-A1 (DE)
Title: Programmed microfiche reader - with coded inputs from frame number selector to two orthogonal stepping motors
Inventor: TORIUMI SHIRO
IPC: G03B21/11
Filed: 1975-10-10
Abstract: The microfiche reader is fitted with a table moved in two orthogonal directions by two stepping motors to position any selected frame in the viewing setting. The operator punches out the frame number on a keyboard and the number is decoded and translated into X-Y sets of signals, with each motor operating independently. The required frame is then rapidly positioned for viewing. The system requires little training to operate and can be used to position selected frames for alteration, in special equipment. The logic system is transistorised.
Patent DE-2546558-A1 (DE)
Title: Outer case for door frame - has fixture element operated through coverable hole to engage wall end abutment
Inventor: EGER FRIEDRICH
IPC: E06B1/60
Filed: 1975-10-17
Abstract: The door frame unit comprises a case, and an assembly frame for fixing this to the end faces of a wall, round the doorway opening. The assembly frame incorporates two shaped bars, encompassing the opening on at least three sides, with their ends fixed at a set interval apart, to form a shadow joint round the case. The door case (9) is fitted with a fixture element (13), pref a screw, which can be worked through a hole (14), normally covered. This element can be brought into engagement with an abutment (16) fitted on the end face (2) of the wall (1), in the doorway opening (3). The fixture element may also be in the form or a latch and the abutment may be an eye loop.
Patent DE-2547990-A1 (DE)
Title: High voltage fuse protected against premature triggering - has spring:loaded post made of two parts held together by thermally fusing substance
Inventor: PESCH HERMANN
IPC: H01H85/30
Filed: 1975-10-27
Abstract: The high-voltage fuse has fusible conductors and a spring loaded post. The post is released as the temperature increases and triggers the switch before the main fusible conductors have melted. Premature release of the post (1) is prevented by making it from two parts (1a, 1b) hed together by a thermally-fusing connection (3). Alternatively the post holder may be made of two parts. The connection consists of a layer of fusible material located between the main surfaces of both parts of the post.
Patent DE-2554227-A1 (DE)
Title: Failsafe interlock for reserve parachute - has interlock released by coded radio signal from aircraft or ground
Inventor: GRASSER KURT DR MED
IPC: B64D17/62
Filed: 1975-12-03
Abstract: The reserve parachute is fitted with a remote control release which is activated by a radio signal, either from the aircraft or from the ground. The signal has a special code to prevent premature release by other radio signals. The release mechanism can be battery or gas powered, or can be spring loaded with the release catch operated by the signal. The system is simpler and more effective and reliable than other techniques e.g. air pressure releases which require accurate ground pressure presets, and a complex mechanism. The system enables the command centre to open the parachute if the user is injured or too nervous to do so himself.
Patent DE-2555003-A1 (DE)
Title: Automatic learning process for industrial robots - employs optical sensors coupled to television display for determination of optimised coordinates
Inventor: BRETSCHI JUERGEN DIPL ING DR I
IPC: G06V10/10
Filed: 1975-12-06
Abstract: An automatic system for the control of industrial robots uses optical sensors coupled to a television display. The system is intended to provide a teaching facility to establish the necessary coordinate information. The manipulator coordinate position is fixed in relation to the component by detecting a change in the state of the optical sensors. Once the basic coordinates are fixed a self-optionising facility allows the operational cycle to proceed even through variations in component size, positioned location etc are present.
Patent DE-2557215-A1 (DE)
Title: Stiffening thin walled tubes - by applying external air pressure whilst internally supporting with spaced rings or spirals
Inventor: MIRTSCH FRANK DIPL ING DIPL PH
IPC: F28F1/10
Filed: 1975-12-19
Abstract: Thin-walled tubes or cylindrical containers of metal or plastic materials are produced with a regularly spaced beaten effect pressed in by external pressure or by internal vacuum while internally supporting the walls with round rings or spiral elements. This is a simple method of stiffening the whole tube without affecting e.g. its thermal conductivity.
Patent DE-2610744-A1 (DE)
Title: Equipment for twisting tensioning wires - has wire twisting sleeve rotated by two independently moving ratchet arms
Inventor: SCHMIDT HANS
IPC: B65B13/28
Filed: 1976-03-13
Abstract: The equipment for twisting tensioning wires includes a twisting sleeve (1) with a long slot (2) for accommodating the tensioning wires. The twisting sleeve (1) is provided at one end with a taper (3) and at the end of the taper with a twisting mandrel (4) attached to the twisting sleeve (1) at right angles to its longitudinal axis. The twisting mandrel (4) projects between the tensioning wires. Attached to the other end of the twisting sleeve (1) by means of ratchet heads (11) are two hand arms (10) which are movable independently of each other about longitudinal axis of the twisting sleeve (1). The ratchet heads (11) of the hand arms (10) have a slot which is brought in line with the slot (2) in the twisting sleeve (1).
Patent DE-2611168-A1 (DE)
Title: Light conductors connector socket - inserted into guide pins movable perpendicular and parallel to pin axis
Inventor: PFEIFFER THEODOR DR ING
IPC: G02B6/38
Filed: 1976-03-17
Abstract: The connector socket, for two optical element, e.g. light conductors (1, 2) which must lie along a common optical axis, employs guide pins each positioned in a housing (3) and with a central bore for receiving the optical element. The guide pin (6) for the socket part is movable perpendicular to its axis and is acted on by a spring blade (11), which presses against a rim (9) at the end of the pin (6), causing this to abut the end of a bolt (10) at the other side. This bolt (10) extends parallel to the axis of the pin (6) and a second bolt and spring blade are positioned on either side of the pin in a perpendicular plane to the first pair. A spiral spring is positioned around the pin (6), so that the pin (6) can move axially against the spring bias.
Patent DE-2612151-A1 (DE)
Title: Injection mould for parts with external undercuts - is composed of jaws which diverge as retaining sleeve is released
Inventor: RAPP ERICH
IPC: B29C45/44
Filed: 1976-03-23
Abstract: A mould assembly for injection moulding of components possessing external undercut projections (e.g. teeth, serrations or the like) comprises a number of jaws possessing the mould shape for the projections on their internal face; the jaws are axially slidable in a surrounding sleeve by means of a plunger arrangement so that, when the jaws are partially pushed out from the sleeve, an internal adjusting unit forces them apart. Pref. the sleeve has a flange or shoulder with a fixing hole. Complicated external undercut shapes may be moulded.
Patent DE-2616737-A1 (DE)
Title: Specific excitation flame ionisation detector - gives quantitative and qualitative information about volatile substances by alternate mode operation
Inventor: KAISER RUDOLF E DR
IPC: G01N30/68
Filed: 1976-04-15
Abstract: A device and arrangement comprises a single or double flame ionisation detector for the qualitative and quantitative analysis of gas-chromatographically sepd. substances or substances or mixtures which can be transported by means of a gas such as air. A detector of medium specificity, greater than that of a flame ionisation detector (FID) but less than that of known specific detectors acts in conjunction with a low-specific or non-specific detector to provide directly qualitative information from the relative signals of the two systems. In one embodiment, a medium-specific FID is so constructed for qualitative and quantitative chromatography that the ions flow mechanism and its output can be specifically modified by the supply of thermal energy just before the flame ionisation, using catalytic or non-catalytic excitation ranges (EFID). In a second embodiment, a medium-specific EFID can be evaluated in conjunction with >=1 other detectors to give a relative current signal representing a substance - specific characteristic so that a cpd. specific qualitative characteristic cna also be obtd. Used for the quantitative and qualitative analysis of substances sepd. by gas chromatography or those transported by a gas such as air. The arrangement enables both these functions to be carried out in a single appts.
Patent DE-2620495-A1 (DE)
Title: Remote control for vehicle ignition - has single solenoid and two setting stepping switch operated by third ridged element
Inventor: ROVATI MARCO DAVIDE
IPC: H01H13/58
Filed: 1976-05-08
Abstract: The vehicle is fitted with a remote control for the ignition, with a single solenoid operating on an off-off stepping switch with two stable settings. The switch has a cylindrical housing (21) with inner axial grooves of alternate deep and shallow grooves. A shaped switch element (22) is fitted inside the housing, with the outer ridges of the element fitting the grooves in the housing. The switch element is operated by a third element (35) whose ridges operate on the toothed profile of the switch element. The third element is connected to the solenoid. The switch uses only one solenoid, as opposed to the two solenoid switch in conventional use. It is used to start and stop vehicles such as fire engines by remote control.