baber/WOPTO huggingface dataset:
Patent DE-2162129-A1 (DE)
Title: Thermomould machine heat control - using infrared pyrheliometer to gauge surface temp of the plastic sheet
Inventor: BERGER BENNO
IPC: B29C51/42
Filed: 1971-12-15
Abstract: The requisite surface temp. of the semifinished plastic product to be moulded is pre-set and measured and once this temp. is reached the necessary work cycle for the moulding process is set into action. Pref. an infra red pyrheliometer is used to gauge the surface temp. and the results fed to a control mechanism which automatically starts the work cycle.
Patent DE-2203807-A1 (DE)
Title: Dl menthol prodn - from mesityl oxide and 3-keto-1-butanol and hydrogenation of the piperitenones formed
Inventor: FRIEDERANG ALBRECHT DR
IPC: C07C35/12
Filed: 1972-01-27
Abstract: Process for preparing DL-menthol (I) comprises reacting 3-keto-1-butanol (II) with excess mesityl oxide in presence of an alkali hydroxide at elevated temp., catalytically hydrogenating the crude piperitenone formed to give a mixt. of menthol isomers, which is then fractionally distilled to give (I); menthol isomers, and hydrogenated by-prodts. (I), used in pharmaceuticals and cosmetics, is prepd. simply with easy purification. (II) is more readily available and more stable than the toxic methylvinylketone used in prior art processes.
Patent DE-2214310-A1 (DE)
Title: Control disc unit - for yarn feed system with sub-assemblies on spiral guideways
Inventor: SCHINDELE ALFRED
IPC: D04B15/48
Filed: 1972-03-24
Abstract: Designed for the yarn feed system of a multi-system circular knitter, the sprial guideways are fitted with toothed ends keyed into a crown wheel at the main drive shaft mounting. Using a hexagonal socket spanner, the spiral guideways can be rotated to move the sub-assemblies radially giving a precise and accurate adjustment to the dia. of the units.
Patent DE-2214739-A1 (DE)
Title: Heated wall for evaporators - in intimate contact with the heated wall convex elements form vertical micro size pores or slots
Inventor: VINZ PETER DIPL ING
IPC: F28F13/18
Filed: 1972-03-25
Abstract: A heat exchanging medium separating heated wall of an evaporator, which on its evaporating medium side is provided with a profile, which improves the vapour bubble formation, whereby this profile is produced by a layer of convex single elements of equal dimensions, which are in intimate contact with the heated wall and which together with the wall form pore or slot type cavities, which crosssectional area narrows vertically to the wall to an mu m size opening. Pref. the convex elements are parallel and equidistant wires with a diameter of a few tenths of a millimeter provided with a mu m size coating, such as a copper coating, which is subsequently pref. locally only removed by chemical or physical treatment. The cavity has optimum geometry for the starting of vapour bubbles, the retention of a vapour phase within the cavity, which forms a permanent nucleii and for the expansion of the bubble into the evaporator space. Scaling of the surface does not occur.
Patent DE-2244787-A1 (DE)
Title: Ice maker - frozen ice mass gradually lifts movable paddles
Inventor: MARRIE PAUL
IPC: A23G9/12
Filed: 1972-09-13
Abstract: The ice maker consists of an annular vessel with centrally located geared motor driving at least one arm fitted with a support and paddle, whereby the paddle and paddle support is arranged on the arm in such a manner as to allow the paddle to be rotated by 90 degrees in either direction. The paddle is therefore able to be moved out of its normal operation position and lifts out of the frozen mass. The paddle and its associated support is suspended from a pivoting rod, incorporating a spring loaded friction device. The method does not require any safety cut out devices for the motor, the paddle never freezes solid in the ice and the ice is easily removed.
Patent DE-2304566-A1 (DE)
Title: Weft yarn control - for detection of yarn breakage
Inventor: VERSAVEL JOSEF
IPC: D03D51/34
Filed: 1973-01-31
Abstract: Weft control device for a loom, having means for generating an electrical signal by detecting acoustic vibrations or alternatively the weft tension and converting these to an electrical signal and specif. contg. a piezoelectric crystal or a pressure-sensitive transistor.
Patent DE-2312888-A1 (DE)
Title: Cements - partly coated with fatty acid soaps - and a coadditive to reduce efflorescence
IPC: C04B28/04
Filed: 1973-03-12
Abstract: A dry cement having reduced effluorescence and improved moulded appearance is formed by forecably contacting dry, free flowing particles of Portland-type cement with a combination of (a) a surface-tension reducing additive and (b) a common electrical charge-imparting coadditive in amt. sufficient to adherently coat only a part of the surface of the majority of cement particles without reduction of the particles size. The additive are pref. 12-22C fully satd. fatty acid alkali metal soaps, e.g., sodium stearate, or also stearic acid, and the co-additive is pref. a naphthalene sulphonate-aldehyde condensation product, or a copolymer of maleic anhydride and methyl vinyl ether.
Patent DE-2327039-A1 (DE)
Title: Oxide/nitride electrical contacts - for moving surfaces, e.g. commutators brushes
Inventor: BOLLERT GERHARD DIPL PHYS
IPC: H01B1/00
Filed: 1973-05-26
Abstract: Previously unsuitable materials, e.g. Su, V or Mn may be used in the form of their oxides or nitrides as the contact material. These materials exhibit both high mechanical and chemical resistance while having good conductivities and improving the sliding characteristics of the contact surface.
Patent DE-2329608-A1 (DE)
Title: Wash liquor regeneration in compressed gas purificn. - using waste gas from claus process
Inventor: BRATZLER KARL DIPL CHEM DR
IPC: C01B17/60
Filed: 1973-06-09
Abstract: The wash liquor is used for the purificn. of compressed gases by removing acid constituents, esp. H2S by physical absorption. It is purified by releasing to normal pressure, then treating with an inert gas at normal or elevated temp. using the waste gas from a Claus process, in which the S vapour and H2S have been converted to SO2 by after-burning, the SO3 and O2 removed by passing over a bed of coke at 200-500 degrees C and the SO2 removed by scrubbing with aq. alkali salt soln. The regenerated liquor is recycled and reused, whilst the H2S-rich gas is converted to SO2 in a subsequent Claus process. The process is economical and avoids stoppages caused by deposition of S in the pipes.
Patent DE-2330941-A1 (DE)
Title: Self-adhesive lettering mounting and transfer - using labels with self-adhesive, separable, perforated grip tongues
Inventor: SCHULZE GERHARD
IPC: B44C1/16
Filed: 1973-06-18
Abstract: Preferably a support track of cardboard or plastics is fitted to an adhesive-repellent carrier paper, for linear alignment of the lettering mounting labels. The aligned gripping and mounting tongues adhere to a given paper strip when this is laid beneath them and they are pressed against it, and lifting of coherent lettering mounting labels from the carrier paper is thus possible. Expensive auxiliaries are not required, and a simple and rapid production and transfer of lettering and signs is made possible.
Patent DE-2341370-A1 (DE)
Title: Dicyanogen prodn. by oxidn. of hydrogen cyanide - with oxygen or air over platinum-base catalyst contg. rhenium and opt. rhodium
Inventor: GRUBER WILHELM DR
IPC: B01J23/656
Filed: 1973-08-16
Abstract: Prodn. of C2N2 by oxidising HCN with oxygen or air at 300-800 degrees C over a Pt-base catalyst is improved in that the catalyst contains Re (50 wt. %; pref. 0.1-10 wt. %) and opt. Rh; the Pt content being >50 wt. %. The catalyst is pref. used in the form of a wire net. The deposition of carbon on the wire net, which reduces the activity of the catalyst, is practically completely eliminated by the addn. of Re. High yields are obtd.
Patent DE-2346925-A1 (DE)
Title: Molybdenum rotary anodes for X-ray tubes - mfd. from sheet metal, may contain alloying elements and are cheaper than sintered anodes
Inventor: HABERRECKER KLAUS DIPL PHYS DR
IPC: H01J35/10
Filed: 1973-09-18
Abstract: The anode consists of a substrate of high m.pt. metal with good thermal- capacity and -conductance, with a suitable target on its surface. The substrate is made from a molten metal with m.pt. >2000 degrees C. The target layer is pref. applied as a powder, heated until it is plastic and applied at a velocity near that of sound. Pref. substrate is Mo contg. not >10%, esp. 5% W, and the target is W contg. is not >20%, esp. 3-5% Re. The substrate may also contain a material such as Nb or Ta. Molybdenum substrates made by melting, e.g. Mo sheet, are not cold-brittle and contain almost no porosity; various alloying elements can be added and the sheet can be machined. The price is approx. half that of anodes made by sintering.
Patent DE-2350626-A1 (DE)
Title: Pilot frequency generator with frequency multiplier - produces constant amplitude signal, and has an oscillator oscillating at a pilot harmonic
Inventor: DAURER GEORG
IPC: H03L5/00
Filed: 1973-10-09
Abstract: The generator comprises a frequency multiplier which converts the oscillator to pilot frequency, and delivers the latter. A control signal circuit detects the pilot signal amplitude changes and maintains it constant by a signal delivered to the frequency multiplier. The frequency multiplier has a harmonics generating amplifier, whose working point and/or gain are changed by the above control signal. The amplifier is followed by a filter passing the pilot frequency. The amplifier has a transistor generating the harmonics, to whose base a d.c. control signal is applied in order to control its working point. The filter is a cavity resonator bandpass filter.
Patent DE-2351858-A1 (DE)
Title: Pre-coating of minerals in bituminous compsns - with coal tar pitch in powder form
Inventor: SCHMIDT JOACHIM
IPC: C08L95/00
Filed: 1973-10-16
Abstract: Mineral or other solid components of bituminous compsn. are pre-coated with coal tar pitch added in finely granular or dust form during the mixing process, before addn. of the bitumen. Used in bituminous compsns. for building purposes e.g. roads. Adhesion between minerals and binder is improved by first wetting with pitch along. Separate prepn. and transport of bitumen/pitch mixts. and use of molten pitch are avoided. Penetration of water below road surfaces is reduced.
Patent DE-2352542-A1 (DE)
Title: Contacting device for cct. board testing - has supporting plate with contact pins movable against helical spring pressure
Inventor: LUETTGERT KARL
IPC: G01R1/073
Filed: 1973-10-18
Abstract: One end of the pin makes contact with points on the circuit board, and the other end is connected to the testing device. Each contact pin and its spring are mounted in a case inserted into a hole in the supporting plate. Each case has a widening collar at its end facing the circuit board. Each pin has a narrowing with a projecting collar by it. The corresponding spring with at least one turn with reduced dia., rests in the narrowing. The contact pin housing has a cylindrical shape. The pin narrowing and collar are produced in one operation by a tool applied to a rotating blank.
Patent DE-2353189-A1 (DE)
Title: Stationary and travelling rocking, running, swinging and play appts - has removable cloth fitted between connecting pieces
Inventor: GEB HELMS MARTHA EBERSPAECHER
IPC: A47D13/10
Filed: 1973-10-24
Abstract: Stationary and travelling rocking, running, swinging and game appts. consists of a frame and rests on swung beams whose ends merge into a front and back side and whose upper regions are interconnected by a cloth. A front and rear frame are releasably attached to the beams' end regions, and connectors, easily swung, are fitted to the frame above the attachment places, and connecting together the attachment struts of the frame. A removable cloth is fitted between the connecting pieces. Roller mountings are jointed at the end regions of the beams, with cams that hold the mountings in the flapped-upward state in which the cams abut the elastic flat end pieces of the beams after pivoting them down. The appts. assists infants in learning to walk.
Patent DE-2355563-A1 (DE)
Title: Pressure cooking saucepan valve - has pin bearing at lower arm end in recess of outer side of pot edge
Inventor: SCHNEIDER FRANZ
IPC: A47J27/092
Filed: 1973-11-07
Abstract: Pressure cooking saucepan has a pressure equalising valve fitted to the cover and a vertical rotary pin of the rotary knob fitted to both sides of the tangential pot wall plane. The pin, at its lower end, conventionally bears the torsionally stiff pin or arm which is at 90 deg. to the long axis of the rotary pin and engages in the recess of the outer side of the pot edge. At its upper end, which projects over the upper side of the handle, bears the rotary knob with the cam surface. The wall of the recess forms a wall section for the arm or pin to run on when the cover is opened. Only the valve, or its plunger and valve plate, are connected with the inner space of the pot, and all these parts are easy to clean.
Patent DE-2358811-A1 (DE)
Title: Code converter for stored signals - signals consist of alphanumerical signal series fed into different stores
Inventor: BOPP FRIEDEL
IPC: H04Q3/42
Filed: 1973-11-26
Abstract: Signal code converters are used in telephone exchanges for changing parallel coded channel signs to serial coded sign train for a further conducting line. Signals in each store belong together. The respective store content is fed through an allocated code converter to the outgoing line permanently allocated to the store. When more than one store are engaged, signals in them are shifted signal by signal, using spacings between individual signals, through one store to another and through the code converter. Signals are stored in parallel, but transmitted in series through the outgoing line. The code converter is a dialling signal converter, and signals delivered by it are dialling pulse trains.
Patent DE-2409333-A1 (DE)
Title: Diesel powered shunting locomotive - has combination hydrostatic-hydrodynamic parallel coupled drive for low speeds
Inventor: HENNINGS WALTER DIPL ING DR IN
IPC: B61C9/14
Filed: 1974-02-27
Abstract: The combined hydrodynamic and hydrostatic drive of a diesel engine powered shunting locomotive ensures that very low speeds can be readily provided, for loading open slowly moving wagons by automatic loaders. The locomotive can also travel at higher shunting speeds. The hydrostatic drive is more suitable for maintaining constant speed for different traction resistances than the hydrodynamic drive used for normal shunting work or for travelling on open track. The engine drives two hydrodynamic converters for forward and reverse travel. The power from converters is transmitted to wheels by a gear train and shafts with universal joints.
Patent DE-2411281-A1 (DE)
Title: Magnetometer measurement of smallest magnetic fields or variation - uses magnetic indicator with constant magnetic moment and symmetrically arranged capacitors
Inventor: THEBIS EBERHARD
IPC: G01R33/038
Filed: 1974-03-07
Abstract: The magnetic indicator rotates through an axis which is vertical to the direction of the magnetic moment. Two three-plate capacitors are symmetrically arranged relative to this axis. Both centre plates are in a plane comprising the axis and with the indicator make up one unit. The plates which are positioned diagonally opposite relative to the axis, are connected for electric conduction. The unit consisting of centre plates and indicator is suspended by two torsion threads in the direction of the axis. The torsion threads feature different thermo-elastic coefficients and at least one thread is electrically conductive.
Patent DE-2414995-A1 (DE)
Title: Spring loaded cap for I.C. engine radiator - contains excess pressure valve body and cooperating seat
Inventor: SCHULZ GERHARD
IPC: F01P11/02
Filed: 1974-03-28
Abstract: Radiator cap for an internal combustion engine contains a built-in valve body of an excess pressure valve, movable against the pressure of a spring toward the bottom of the cap. A valve seat which cooperates with the valve body is also built into the cap. Preferably the seat is an inward-facing flange on a hollow part running in the direction of the axis of the cap, and having an outward-facing second flange that is supported on at least an inner shoulder of the cap and bears a seal on its face turned away from the shoulder. Excessively high presponse pressure of the valve, owing to the tolerances involved, is avoided.
Patent DE-2437887-A1 (DE)
Title: Three-phase arc furnace - has device for arc voltages measurement, using comparator measuring phase voltages
Inventor: BRETTHAUER KARLHEINZ PROF DR I
IPC: F27D11/08
Filed: 1974-08-06
Abstract: The phase voltages are measured with respect to the melt which is the neutral point, and the difference is formed in separate comparators between the phase voltage and the sum fo teh active voltage drop in the corresponding conductor, and reactive voltage drops proportional to derivatives with respect to time of currents in the other two connections. Corrections are applied to the comparators derived in electronic circuits from the shift of zero crossings of arc voltage and current produced by change of connection positions, resulting in a change or reactive voltage drops.
Patent DE-2438402-A1 (DE)
Title: Impact and weather resistant vinylchloride polymers - modified by graft copolymer contg monomers, grafted in two steps
Inventor: OKAMI SHOJI
IPC: C08L27/06
Filed: 1974-08-09
Abstract: Thermoplastic resin compsn. with improved impact resistance and weather ability contains (1) 30-97 pbw >=1 vinyl chloride polymer contg. >=70 wt. % vinyl chloride and (2) 70-3 pbw >=1 graft copolymer contg. (i) a structural polymer (I) and (ii)monomers (II)grafted on (I) in 2 steps in (I) : (II) wt. ratio 20:80 to 80:20. (I) contains (i) >=1 alkyl acrylate, >=20 wt. % of which may be replaced by 1 copolymerisable monovinyl monomer and (ii) 0.01-10 wt. % (w. r. t. alkyl acrylate and monovinyl monomer if present) of a crosslinkable monomer. (II) consists, by wt. of (i) 0-100% >=1 alkyl methacrylate, 0-85% >=1 aromatic vinyl cpd., 0-50% >=vinyl cyanide and 0-30% >=1 other copolymerisable monomer (w. r. t. total wt. of monomers grafted in 1st step) and (ii) 85-100% >=1 aromatic vinyl cpd. alkyl acrylate and/or vinyl ester and 0-15% >= 1 copolymerisable monomer (w. r. t. total wt. monomers grafted in 2nd step.) Wt. ratio monomers grafted in 1st to those grafted in 2nd step is 95:5 to 50:50.
Patent DE-2441682-A1 (DE)
Title: Lead insertion and glueing installation - used in pencil manufacture fitted with heated application roller
Inventor: ZUBER KARL DIPL ING
IPC: B43K19/16
Filed: 1974-08-30
Abstract: The lead insertion and gluing installation is for pencil timber sections with a cross conveyor track for the base timber sections to which a lead insertion device is attached and to which the base timber sections can be conveyed if required with glued grooves. There is also a length conveyor track for the cover timber sections with a melting adhesive application device including a heated application roller. The application roller (90) is fitted with a location device extending equally over the width of the cover timber sections (37) and formed by cups with a cup depth of 0.1 to 0.3mm, having 3 to 12 cups per cm and a cup diameter at the roller surface of 2.5 to 0.7mm.
Patent DE-2443125-A1 (DE)
Title: Self-cleaning sieve or filtration device for dirty liquids - has double sieve array with skimmer devices to scrape across sieve apertures
Inventor: BERTHOLD RAINER DIPL PHYS
IPC: B07B1/52
Filed: 1974-09-09
Abstract: A self cleaning sieve or filter device for dirty liquids, partic. contaminated water, has a first and second sieve (4, 6 etc) mounted across the fluid flow (2) at a small separation from one another. The sieve openings (5, 7 etc) are positioned such that there is no direct flow path possible for the dirty liquid. At least one primary skimmer device (1) is mounted on the input side of the first sieve and a secondary skimmer (3) is mounted above the second sieve. Devices are provided to produce relative motion between the sieves and skimmers so that the skimmers can scrape across the various sieve openings.
Patent DE-2448864-A1 (DE)
Title: Extra thin throw away torch - has thin battery between covers with split bulb holder attached to cover with contacts incorporated
Inventor: KNIPPING LEBRECHT
IPC: F21L4/00
Filed: 1974-10-14
Abstract: An extra thin torch which is about 5mm thick, consists of two sheets (13) of plastics material secured together along one edge (12) in the manner of a book, with press studs (14) or other fastenings in the corners, so that when closed up with a special thin battery between, two halves of an internally threaded bulb holder (23) are pressed together. One of the two sheets (13) carries a set of contacts (5) in the manner of wiring, which can be applied by vapour deposition, hot welding, casting or adhesive. Incorporated in the same sheet is a switch (6) which is pushed upwards to form a bridge between the two free ends of the contacts. The device is intended to be thrown away when the battery is exhausted.
Patent DE-2453041-A1 (DE)
Title: Control valve between pump and motor - has control plate with impact faces on fluid passages to generate reaction force
Inventor: HAMPEJS KAREL
IPC: F15B9/14
Filed: 1974-11-08
Abstract: Control valve, which is fitted between a pump and a hydraulic motor and has a control plate coupled with a rotary indicator and a follower piston coupled with the motor where the plate and piston are coaxial and have transposed passages which on turning the control plate from a rest position with respect to the piston open to the contacting front sides and thus open a path to the motor for pump fluid and at the same time a return path for return fluid, so that the motor follows the piston. The passages of the control plate which pass the return fluid, have impact faces on which the return fluid is deflected while generating a reaction force which has a component exerting a torque on the control plate supporting the torque of rotary indicator.
Patent DE-2453474-A1 (DE)
Title: Free punching tool with resilient stripper surrounding cutting punch - replacing stripper and spring of conventional stripper with single member
Inventor: FLIGGE EBERHARD
IPC: B21D28/34
Filed: 1974-11-12
Abstract: Free punching tool comprises a cutting punch, a cutting plate, and a stripper in the form of a tube of resilient material, pref. plastics such as polyamide, surrounding the cutting punch. The tube is fixed to the cutting punch or to its support at its remote from the free end of the punch. On the inner surface of the same end, there may be an annular bead which engages in an annular groove in the punch. The punch pref. has at its end remote from its free end an attachment of which the cross-section is at least slightly larger than that of the punch and against which abuts the end of the tube remote from the free end of the punch.
Patent DE-2455530-A1 (DE)
Title: Impurity extraction from sliver - has air screen in open-end spinner to direct flow of hard loose waste
Inventor: CHRTEK MILAN DIPL ING
IPC: D01H4/36
Filed: 1974-11-23
Abstract: The sliver-opening and fibre-loosening system of an open-end spinning unit has an air screen (E), running parallel with a tangent to the surface of the combing roller developed by the air passing through the gap with the rotation of the roller. The compressed air, together with any loose impurities passes into a collection chamber while the loosened fibres pass into the spinning zone. The system ensures that hard foreign matter is extracted from the sliver during the fibre-loosening process, and that impurities are carried away from the spinning zone and are prevented and being deflected into the spinning rotor.