baber/WOPTO huggingface dataset:
Patent DE-2123939-A1 (DE)
Title: Butt welding plastic profiles - with simultaneous removal of outstanding beading
IPC: B29C37/04
Filed: 1971-05-14
Abstract: Pressure-plates for a plastics butt-welding machine are used both for forming the weld and also for simultaneously removing the projecting weld beading; the plates exactly fit along the welded joint and are sharply cut back externally, resulting in a sharp cutting edge which removes the beading. Specif., the plates grip the profiles before assembly, covering them up to the finished dimension, leaving only a small length of the profile extending, to form the weld. When the plates are brought together, this material is squeezed inwards and outwards, the outward parts being cut off by the sharp edges of the plates.
Patent DE-2132664-A1 (DE)
Title: Iron-nickel alloy articles esp waveguides,electrodeposited from sulphamate electrolyte with replenishment of components
Inventor: APFELBACH ROLAND
IPC: C25D1/02
Filed: 1971-07-01
Abstract: Articles, esp. hollow bodies, having low heat expansion coeffts. partic. useful as waveguides or structural waveguide element e.g. for communication engineering as carriers and transmission media, also as functional components of aerials, filters, oscillators, resonators, etc. for microwaves, are produced by electrodepositing an Fe-Ni alloy contg. 55-70 (64-68) esp. 67 wt % Fe and 45-30 (36-32) esp. 33 wt % Ni from a Ni-Fe sulphamate electrolyte while using insoluble anodes and gradually or continuously replenishing the electrolyte components diminishing in concn. Electrodeposited body may be heat-treated before or after separation from core, esp. by heating 1 hr. at 900 degrees C in an inert atmos. and quenching, esp. in cold water. Pref. electrolyte contains 306 g/l Ni(NH2SO3)2 (corresponding to 69.8 g/l Ni), 65 g/l Fe(NHiSO3)2 (corresponding to 14.8 g/l Fe), 25-30 g/l H3BO3 1.3-1.5 g/l ascorbic acid, 4.5-5 g/l naphthalene-1,3,6-trisulphonic acid and 0.5 g/l wetting agent and plating pref. takes place at pH 2.9-3, 50 degrees C, 7 amp./dm2 cathode current density, 4 v bath voltage, using platinised Ti mesh anodes.
Patent DE-2133739-A1 (DE)
Title: Vibratory conveyors - with cooled tiers and support frame in freeze drying vessel
Inventor: MERCER JAMES L
IPC: F26B5/06
Filed: 1971-07-07
Abstract: A multi-level vibratory conveyor is carried by a support frame within a controlled environment enclosure, such as a freeze-drying vessel used in processing coffee, tea and fruit juice, the frame and the various levels of the conveyor having interconnected conduits through which heat exchange fluid is passed to keep the frame and the conveyor at a constant temp.
Patent DE-2139934-A1 (DE)
Title: Steels - self hardening steels for - welding applications
IPC: C22C38/12
Filed: 1971-08-10
Abstract: Self hardening concrete reinforcement steels with high strength and excellent weldability can be made from steels with alloying additions of Al, Nb and V which produce nitrides, carbides and carbonitrides resulting in fine gram size and precipitation hardening. Typical compositions are : 0.18% C, 0.3-0.4% Si, 0.8-1.4% Mn, max 0.05% P, max. 0.05% S, 0.03% Al, max. 0.02% N, 0.06-0.1% Nb, 0.1-0.15% V, balance Fe. They are conventionally melted, cast and rolled such that the finish rolling temp. ensures max. solubility of minor alloying elements, and allowed to air cool with resulting precipitation hardening. These steels have strength and are fairly ductile, they are however very good for welding by electric arc and other conventional means.
Patent DE-2144645-A1 (DE)
Title: Pretreatment of polymer powder - used in metal coating,by building up reactive gps on the polymer surface
Inventor: ELSCHENBROICH CHRISTOPH DR DIP
IPC: C09D163/00
Filed: 1971-09-07
Abstract: Polymers used in lacquer coating metals are pretreated by immersing the polymer powder in a solvent contg. the necessary cpds. to produce reactive gps. on the polymer surface. These gps. are chemically jointed to the polymer framework and ensure excellent adhesion to the metal when applied and good common resistance esp. to moisture seeping beneath the coating, this obviates the need for priming the metal prior to coating.
Patent DE-2149133-A1 (DE)
Title: Plastics wrapping for annulus - esp tyre or coiled cable is predeformed to fit round annulus
Inventor: MIURA ISAGO
IPC: B65B25/24
Filed: 1971-10-01
Abstract: A method of making pre-deformed plastics film winding material for winding annular objects, such as motor tyres or coiled cables, consists of winding the film around a specially shaped roller so that it adopts the shape of the roller. Pref. the roller has max. and min. dias. and a transverse shape so that when a melted plastics film is wound around it and continuously cooled, the film adopts the required permanent deformation. Typically, the deforing roll bulges out to a wider dia. at the centre and tapers symmetrically towards the ends, its maximum dia. being always less than that of the tyre or coil to be wrapped. The deformed sheet is subsequently wrapped circumferentially around the annulus and automatically fits to it so that the edges of the sheet can be sealed by welding.
Patent DE-2154813-A1 (DE)
Title: Prefabricated shed - with plastic film cover stretched over horizontal rods fastened to curved plastic tubes
Inventor: GEBHARDT HANS GUENTER
IPC: E04H15/20
Filed: 1971-11-04
Abstract: Lightly built shed, which can be easily assembled and disassembled and is suitable for use as a greenhouse or swimming pool cover, has two parallel supports which lie in one phase and have on their upper side a number of spaced apart tubular props, pressurised plastic tubes mounted on the supports with their ends in the tubular props, a number of such curved plastic tubes being arranged parallel to each other, horizontal rods or wires fastened to the outsides of the plastic tubes by a clip, a cover layer of plastic film stretched over the rods, with its two parallel lengthwise sides fastened to the supports, and fixing elements for fastening the supports to the ground. The plastic tubes are foam-filled by e.g. polyurethane foamed under high pressure and are ribbed and grooved in a spiral fashion.
Patent DE-2203554-A1 (DE)
Title: Stable o/w nitrocellulose lacquer emulsions - - the nitrocellulose and emulsifier being dissolved in org solvent be
Inventor: LEPPMEIER FRANZ DR
IPC: C09D101/18
Filed: 1972-01-26
Abstract: The emulsions, which are used for coating leather, are produced by (a) dissolving the nitrocellulose and an emulsifier, typically oxyethylated linseed oil, separately or together in org. solvent (mixt.) and (b) emulsifying the soln. with emulsifier free water. The emulsions form glossy uniform coatings on leather which are ageing, moisture and friction resistant.
Patent DE-2226428-A1 (DE)
Title: Shuttle free weaving looms - feeding plastics or metallic wire tension free through sheds
Inventor: EILHAUER FRIEDRICH DIPL KFM
IPC: D03D41/00
Filed: 1972-05-31
Abstract: Plastics or metallic corrugated wire are fed through the sheds of shuttleless weaving machines in a tension free state by withdrawing the wires from stationary bobbins by means of feeding devices which are driven synchronously with the wire inserters such that no tensile stresses are imparted to the inserters.
Patent DE-2239165-A1 (DE)
Title: Alpha halophenoxy isobutyroyl beta nicotinoyl glycols - useful as hypochol-esterolaemics
Inventor: SCHERM ARTHUR DR RER NAT
IPC: C07C45/45
Filed: 1972-08-09
Abstract: The parent patent covers the cpd. a halophenoxy isobutyroyl beta nicotinoyl glycol. Title claimed cpds. are where the two-acyl residues are linked by bivalent aliphatic or cycloaliphatic alcohols such as 1,2-propanediol, 1,4-butane diol, diethyleneglycol, thiodiglyol or 1,4-cyclohexanediol.
Patent DE-2242872-A1 (DE)
Title: Synthetic paper prodn - from solid acrylonitrile (co) polymers rolled under press and fibrillated
Inventor: KOBAYASHI HIDEHIKO
IPC: D21H13/18
Filed: 1972-08-31
Abstract: Molecularly oriented laminar materials, strands, and foils are produced by compressing solid (co)polymers of acrylonitrile e.g. as powder, flakes or chips, between rollers at >50 degrees C to (co)polymer decompsn. temp. at >=1.25 stretch ratio and pref. fibrillated mechanically to very fine short fibres which are pref. processed to paper, pref. mixed with cellulose fibres. Starting materials may consist of copolymers contg. >=50% acrylonitrile or of blends of acrylonitrile (co)polymer with a thermoplastic, e.g. polyethylene, polypropylene, polystyrene or PMMA, or with a thermosetting resin, e.g. a phenol or epoxide resin, if a loading effect is desired. Fibrillated fibres may be blended with 30 wt.% synthetic fibres, e.g. polyethylene or polypropylene fibres.
Patent DE-2254300-A1 (DE)
Title: 2-Aryl-vic-triazoles useful as optical brighteners - by treatment of alpha-oximino -arylhydrazones with cyclising agents and heavy metals
Inventor: CLAUSSEN UWE DR
IPC: C07C/
Filed: 1972-11-06
Abstract: 2-Aryl-vic-triazoles for use as optical brighteners and dye intermediates are prepd. by the treatment of alpha-oximino-arylhydrazones with cyclising agents in the presence of heavy metals or their ions. Pref. the cyclising agent is an acid anhydride, isocyanate, acyl halide, urea, or salt of cyanic or isocyanic acid; the heavy metal is an element of Gps I, VI, VII or VIII esp. copper, reaction is effected in the presence of alkali metal hydroxides or carbonates.
Patent DE-2328451-A1 (DE)
Title: Waveguide bend matching device - has attenuating foil which suppresses unwanted modes and reflections at bends
Inventor: UNRAU UDO DIPL ING
IPC: H01P1/162
Filed: 1973-06-05
Abstract: Attenuating foil sections are placed in or on the guid walls of multi-mode waveguide near a bend or T-section which is capable of exciting unwanted modes. The width, length and composition of the foil strips is so chosen that the attenuation of the desired modes is much lower than the attenuation of either the wave reflected from the following section or the excited higher order modes. The strips may vary in width one to another, or vary in width along a single strip. The strips may be placed actually in the corner sections or may be in the straight sections of waveguide remote from the corner to filter out the unwanted harmonics after they have been produced at the corner.
Patent DE-2330783-A1 (DE)
Title: Regeneration of coked catalyst from catalytic cracking - by fluidising with oxygen-contg gas
Inventor: BUNN JUN DORRANCE PARKS
IPC: B01J29/04
Filed: 1973-06-16
Abstract: In a continuous fluid catalystic cracking process, the coke-contaminated catalyst is passed continuously to a regeneration zone where it is fluidised with a rising stream of O2-contg. gas to form a dense-phase catalytic bed and a dilute catalyst phase, the temp. and regeneration gas flow rate being sufficient to convert practically all the coke into CO2. The dense-phase temp. is pref. 690.6-816.6 degrees C and the dilute-phase temp. is pref. 815.6 degrees C after burning in the dilute phase pref. being practically zero. The flow rate of regeneration gas is pref. adjusted to give an effluent gas contg. >1 vol. % O2. Regenerated catalysts contg. 0-0.1 wt. % coke can be obtained, and the effluent gas contains 0-0.1% CO.
Patent DE-2331849-A1 (DE)
Title: Yarn false-twisting drive system - has facility to use either side of drive belt to give left or right twist
Inventor: BRICHTA FRANZ DIPL ING
IPC: D02G1/06
Filed: 1973-06-22
Abstract: False twists (left of right) are developed in yarns using a symmetrical support unit giving two operating modes while the counter roller for the tangential drive belt is arranged assymetrically to the two operating zones so that the belt can be used to power the unit from either side of the belt. The system allows the unit to be changed from developing a left to a right twist, and vice versa, without dismantling the false twisting equipment.
Patent DE-2332513-A1 (DE)
Title: Simple surgical freezing tool - good control of tissue site to be frozen by use of concentric PTFE tubes for supply and evaporation of cooling medium
Inventor: OKADA JIRO
IPC: A61B18/02
Filed: 1973-06-22
Abstract: Simply constructed surgical device to freeze diseased body tissues in situ allowing for good control of the freezing temp. The inner tube carrying the liq. cooling medium is well insulated by the outer tube for the return of evaporated cooling medium. The inner tube dips into the liq. cooling medium at one end and is provided with a nozzle at the other end. The freezing tip is some distance away from the nozzle and is at the end of the outer tube so that an evaporating chamber is formed between the tubes, which can be evacuated by a vacuum source as can be the interspace between the inner and outer tubes. This evacuation causes the liquid cooling medium to be transported from one end of the inner tube to the evaporation chamber, where it evaporates and cools the freezing tip. The liquid medium is at the same time thermally insulated towards the outside. The inner and outer tubes pref. are made of a flexible, thermally insulating material, especially PTFE, and the freezing tip is made of metal.
Patent DE-2338169-A1 (DE)
Title: Electrical temperature sensor - esp for measurement of temperatures of exhaust gases in vehicles
Inventor: KNOLL GUENTER
IPC: G01K1/08
Filed: 1973-07-27
Abstract: The electrical temperature sensor, especially for measurement of exhaust temperature in vehicles comprises a resistance element whose resistance varies with temperature. The element lies at the base of a boring in the metal housing and has its top side connected to a metallic electricity conductor which fits into an insulator which isolates the conductor from the housing electrically and thermally, the conductor presses the resistance element against the base with aid of current carrying spring whose pressure can be adjusted by a pin. The insulator has one shoulder against which rests the soft metal washer to hold the insulator tight in the housing, there is also a flat spring washer between the insulator and the housing ledge.
Patent DE-2351473-A1 (DE)
Title: Exposure control for X-ray system - uses detector in front of film to control contrast about mean setting
Inventor: BUCHMANN FRANZ DR
IPC: A61B6/00
Filed: 1973-10-13
Abstract: The X-ray source is mechanically coupled to the X-ray film cassette which has an entry slot so that part of the film is exposed at one time. The movement of the source and cassette scans the object. In order to obtain a good contrast image, without undue blackening for the thinner parts of the object etc. a detector is placed either in front of the film or behind it. The detector can be a simple ionisation chamber and its output is processed by a differentiating control to drive a servo motor. This alters the intensity control slit of the system as well as the scan speed. It enables uneven objects to be scanned at a variable speed for optimum contrast images.
Patent DE-2353720-A1 (DE)
Title: Coupling for paper feed hand lever in typewriters - comprises coiled spring gripping boss of driven sprocket to act as freewheel
Inventor: KONRAD RUDI
IPC: B41J19/64
Filed: 1973-10-26
Abstract: There is a coil spring which surrounds the boss of the sprocket which is supported for rotation on the same axis as the lever. The respective ends of the spring are secured to the lever and to a fixed frame part, so that the spring acts as a freewheel unit. Turning of the lever in one direction causes the spring to contract and therefore grip the boss so that the sprocket is turned together with the lever and the paper is fed. Return motion of the lever allows the spring to expand leaving the sprocket unaffected, so that no reverse movement of the paper occurs.
Patent DE-2354719-A1 (DE)
Title: Temperature stabilisation device for components - is produced on nonconducting support by thick film or thin film method
Inventor: LINDNER KURT DIPL-ING
IPC: H05K1/16
Filed: 1973-11-02
Abstract: A heating element is provided on the rear side of the support and its heating is controlled; the heater consists of a low resistance layer applied on the support, arranged in meandering tracks to give the required resistance. A temp. sensor is mounted on the support, by which the heat delivery is controlled. Alternatively, the heater may be provided only on a part of the support surface; the resistor material has a high positive temp. coefficient to place a ceiling on the temp. reached by reducing the current passed as the temp. rises.
Patent DE-2356744-A1 (DE)
Title: Jaw crusher pressure plate support - has centre of gravity suspension for plate with spring on crossbar in housing above suspension point
Inventor: SCHAEFER ARNOLD
IPC: B02C1/02
Filed: 1973-11-14
Abstract: Pressure plate support in jaw crushers has a suspension for the plate in its centre of gravity region, with interposition of a spring on a crossbar in the machine housing above the suspension point. Preferably the crossbar is horizontally displaceable and is connected by a rod to the adjuster for the press. plate. More partic., edge wear of the plate is reduced, to leave a longer time for the plate and its abutment between renewals. the adjuster consists of a beam with a spindle and a pressure plate between the beam and crusher rocker. The pressure plate is mounted on both sides with its edge regions in a track cup on the rocker and one on the beam.
Patent DE-2359729-A1 (DE)
Title: Liquid and gas flat filter insert - has folded paper edges surface-roughened to increase thickness to give good edge seal
Inventor: TAGSCHERER MATTHIAS
IPC: B01D46/52
Filed: 1973-11-30
Abstract: The insert is particularly for use in an engine air intake, comprising a paper strip folded into a zigzag pattern and permeable to the commodity filtered, sealsed along the edges to the moulded plastic housing with its folded edges pressed together and enclosed in the plastic. These folded edges are roughened on the surface, so as to thicken them in relation to the portions of the filter paper in between. The roughened on the surface, so as to thicken them in relation gapless edge strip on the filter paper. The entire paper can be dipped in phenol resin before roughening, and then temporarily heat-softened before gluing to the edge strip.
Patent DE-2360427-A1 (DE)
Title: Method for operation of remote control systems - has one of several stations called to deliver a signal
Inventor: RUDOLPH WILLIBALD
IPC: H04Q9/14
Filed: 1973-12-04
Abstract: The stations receive a call signal contng. the address of the called station. Each station prepares signals arranged in several numbered sets for transmission to the central station. The call signal sent by the central station contains in addition to the address the numbers of signal sets to be transmitted and the called station combines the requested signals into a combined set and transmits it. These combined sets are checked set-by-set or word-by-word for errors, and if an error is detected, the faulty set is called for retransmission.
Patent DE-2361155-A1 (DE)
Title: Position control of operating fable for radiation therapy - arrangement and method for holding a position reference between an emitter and a receiver object
Inventor: LESCRENIER CHARLES
IPC: G05D3/14
Filed: 1973-12-07
Abstract: The radiation source is accommodated in a fastening device and produces a radiation beam which impinges on the target area of the patient on a table which can move in the X and Y directions. There is a sensor for reflected radiation, which produces a signal proportional to the intensity for feeding it into the control arrangement. The controls actuate the object drive to move into the middle of the beam where the intensity is greatest, using blocks. The control system has facilities for comparing the intensity signal with the position location signal, and also for controlling the shape of the beam. Removable radiation absorbsion blocks are kept in position by spring loaded holders. Timers and slits are provided to control and check the beam.
Patent DE-2364072-A1 (DE)
Title: Digital-analogue angle converter - designed for sinusoidal angle functions in range from zero to full circle degrees
Inventor: GRONNER ALFRED D
IPC: H03M1/00
Filed: 1973-12-21
Abstract: The converter comprises logic input stages for an n-bit word representing the digital value of an angle, and a quadrant logic system. It comprises furtehr an output amplifier for a sine and a cosine signal; a reference a.c. voltage source, a resistor and a resistor network with n-1 resistors, connected to n-1 normally open switches, so that a switch and a resistor form each of the n-1 parallel circuits. A switching logic system is connected with the logic input circuits, through which the third bit of the n-bit word operates the switch connected to the resistor R, the fourth bit the switch connected to the resistor 2R etc., Voltage dropping across the common resistor is proportional to the sine function of the angle represented by the n-bit word.
Patent DE-2411463-A1 (DE)
Title: Installation switch with actuator housing guide - has moving contacts and control cam on actuator insertable in guide channel
Inventor: BAER SIEGFRIED
IPC: H01H13/56
Filed: 1974-03-11
Abstract: The switching housing contains the stationary contacts and a guideway for the stop control part. An actuating element is slidably mounted in the housing, having a switching part with moving contacts and control cam for the stop control part. The housing walls have an aperture forming a channel opening into the guideway and the control cam, permitting subsequent insertion and/or removal of the stop control part into or out of the assembled switch. The aperture has preferably at least one channel section which is narrower than the cross section of the control part to be put through. The stop control part may be pivotably held in its guideway which may form a rotary bearing.
Patent DE-2412503-A1 (DE)
Title: Phosphoric acid contg. high levels of fertilising elements - prepd. by digesting crude phosphate with nitric acid and adding sulphate
Inventor: KURANDT HANS-FRIEDRICH DIPL CH
IPC: C05B11/06
Filed: 1974-03-15
Abstract: In making phosphoric acid contg. a high level of fertilising elements, crude phosphate is digested with 7-17 moles HNO3/mole P2O5, in which the HNO3 or nitric acid washing water filtrates contain 35-60% by wt HNO3 and to which (NH4)2SO4 has been added to give 10-150 g SO4--/1, at 60-100 degrees C. Alternatively (NH4)2SO4 is partly or wholly replaced by H2SO4 and the water content of the acid digesting mixt is adjusted by adding washing filtrates so that the phosphoric a acid contg. 55% of N-prod contains 20-55% water. The phosphoric acid, used in fertiliser mfr is economically prepd without the need for a lengthy purification.
Patent DE-2416809-A1 (DE)
Title: Aluminium-profile skeleton frame structural element assembly - with rectangular hollow uprights and continuous T or double T sectioned beams
Inventor: DIETRICH WERNER
IPC: E04B1/24
Filed: 1974-04-06
Abstract: The skeleton system, for shelving arrays, partitions and light interior structures incorporates rectangular hollow section uprights with solid assembly flanges along their whole length, projecting radially outwards on two or four sides. Continuous monolithic T or double-T sections form the cross-beams, with a hollow section in the centre stem, of a width corresponding to the width of the flange, and with end cross slits for working in the cross-stems; the relevant assembly flange of the upright can be accommodated completely on the side walling of the centre stem's hollow chamber, as well as on the side walling of the cross slit. There are matching transverse holes in the upright's assembly flange and the cross beam's centre stem, to accommodate connecting elements, for direct attachment of the cross beam to the solid flange.