baber/WOPTO huggingface dataset:
Patent DE-1901260-A1 (DE)
Title: Producing lithographic printing plates by xerographic
Inventor: LEONARD SILVER JULIUS
IPC: B41N3/03
Filed: 1969-01-11
Abstract: A lithographic printing plate is produced by xerographic techniques by (a) coating a hydrophilic, oleophobic printing plate base with a photoconducting coating suspended in a binder, (b) electrostatically charging the coated surface and exposing this surface to an image formed by projection or reflection, (c) applying to the coating layer a finely-divided toner suspended in an organic liquid; the toner is able to alter the hydrophilic, oleophobic surface to a hydrophobic and oleophilic in the regions of the image, (d) illuminating the surface with actinic light, so that the regions in contact with the light become hydrophobic and oleophilic, and then (e) removing the coating layer consisting of the photoconducting material and binder.
Patent DE-1902236-A1 (DE)
Title: Keeping whole meal bread fresh
Inventor: GUENTNER HANS
IPC: A21D15/04
Filed: 1969-01-17
Abstract: Whole-meal bread, from the bakers' oven, is placed in a chamber which is sealed and air tight. The crust of the bread remains soft and pliable during the period it is held in the chamber. Ambient temp. within the chamber is augmented and the humidity is held at a constant level, so that the bread retains the moisture content it had when fresh from the oven. After this period the bread is reheated and the humidity of the air within the chamber allowed to fall.
Patent DE-1916030-A1 (DE)
Title: Metal melting in gas fired cupola
Inventor: A CERNYJ ANATOLIJ
IPC: F27B1/08
Filed: 1969-03-28
Abstract: Metal melting in gas fired cupola furnace in carried out by spraying a liquid fuel on the surface of the molten metal and/or the free walls of the chamber in which the metal collects. Specif. the liquid fuel is heated before being fed to the furnace. The device specif. has channels in its walls for feeding in the liquid fuel which terminate in the heating chamber and/or in the ducts of the burners.
Patent DE-1925376-A1 (DE)
Title: Leakage detection from petroleum storage
Inventor: GLISMANN HANS-HEINRICH
IPC: G01M3/32
Filed: 1969-05-19
Abstract: Change of liquid level over a given large time interval produces a leak signal for releasing a warning signal. In each time interval during a short measurement interval a communication is established between the storage container and a measuring vessel whose contents before beginning of measurement are brought to the same liquid level as that in the container. A leak signal is output, if necessary from a self-adjusting equilibration current.
Patent DE-1926767-A1 (DE)
Title: Continuous production of polyesters
Inventor: LUDWIG BEER DR
IPC: C08G63/78
Filed: 1969-05-24
Abstract: Polyesters containing is not 80 weight % of ethylene terephthalate and having a limit viscosity of up to 0.40, are produced by polycondensation of diglycol terephthalate or its oligomers, possible together with other polyester-forming components, at 240-320 degrees C, in thin layers and under reduced pressure, by flowing the ester or oligomer down the inside of a stationary heated tube which is constricted at intervals; the vapours which form during the polycondensation are withdrawn in the same direction as the stream of product. The apparatus is simple and involves no moving parts. Loss of terephthalic acid is reduced. The apparatus is self-cleaning. Thermal decomposition of the product as a result of long residence times is avoided.
Patent DE-1931432-A1 (DE)
Title: Injection-moulding machine for plastics
Inventor: SAUERBRUCH ERNST
IPC: B29C45/17
Filed: 1969-06-20
Abstract: Injection-moulding machine is a modification of DT1915394 and enables the size of the support to be reduced to economic proportions and bending of the support plate to be reduced to a minimum. An assembly for producing vertical forces is positioned between the support plate and the support structure and these forces counteract bending forces exerted on the support plate.
Patent DE-1965212-A1 (DE)
Title: Riser pipe for low-pressure casting plant
Inventor: BUESCHER WALTER
IPC: B22D41/50
Filed: 1969-12-29
Abstract: Riser pipe seal for low pressure casting apparatus connects the ceramic, vertical riser pipe with the furnace in a pressure-tight seal and comprises an elastic, thin-walled intermediate ring of noble metal. Pref. the ring is fluted.
Patent DE-2005519-A1 (DE)
Title: Hypodermic syringe needle
IPC: A61M5/32
Filed: 1970-02-06
Abstract: Hypodermic syringe needle. The sharpened tip surface of the needle forms a real area of a perfect cone shaped shell which encompasses at least the tip of the needle tube with a perfect cone axis running parallel in the direction of the tube axis and at a distance from it.
Patent DE-2015033-A1 (DE)
Title: Molten metal feed for continuous casting of sections
IPC: B22D11/00
Filed: 1970-03-28
Abstract: Uniform cooling and solidification of continuously cast I sections is achieved by controlling the flow of metal into the mould. Two feed tubes lead metal from the tundish to the points where the 'hot-spot' junctions between web and flanges occur. The metal swirls from the feeder tubes downwards into the web and back again into the flange, thus boosting the temp. in the web (the thinnest part of the section). An extension plate is also fitted on each side of the web as it emerges from the mould, and secondary cooling water is carefully controlled. Internal cavities and warping due to uneven cooling are avoided.
Patent DE-2019766-A1 (DE)
Title: Moulded body of fibrous polymer and sinter - ed finely dispersed material for heating
Inventor: JOSEPH BRETON ERNEST
IPC: B22F1/10
Filed: 1970-04-23
Abstract: The sinterable, finely-dispersed material is metal, an intermetal compound, an alloy, salt, ceramic material, organic polymer or their mixtures. It contains a binder and is evenly distributed in a continuous fabric of organic polymer fibres. Spec., the fibres consists of PTFE. The unsintered substance is suitable for chromatographic separation of chemical compounds.
Patent DE-2021469-A1 (DE)
Title: Fast-curing tar binder for prodn of tap hole sealants and gutter lini
Inventor: SCHOLZ KLAUS DR
IPC: C21B7/12
Filed: 1970-05-02
Abstract: The binder comprises 80 to 98 wt.% of a tar and 20 - 2% of PVC. The product may be admixed with sand or ground stone to give a compsn. suitable for sealing tap holes and lining gutters. Used in iron and steel producing industry. The mass can be prepd. with application of heat, making compounding economical. Stable at up to 140 degrees C. Hardening is rapid at elevated temps.
Patent DE-2022829-A1 (DE)
Title: Repairing the fireproof lining of bask - oxygen furnaces
Inventor: D LABATE MICHAEL
IPC: C04B35/03
Filed: 1970-05-11
Abstract: A mixture is used which binds exothermally and another mixture which sets at low temp. after being moistened. Spec., the first mixture consists of 1-10% aluminium, 6-15% iron oxide, chromium oxides or their mixtures, 25-90% magnesium oxide, 5-40% calcium oxide, 0-3.0% silicon, 0.3-3.0 halide flux 0.3-20% aluminium oxide and max. 8% silicon oxide.
Patent DE-2030118-A1 (DE)
Title: Grinding and polishing tv screen protective glass screens - - achieveing uniform surface finish by moving protective screens
IPC: B24B19/26
Filed: 1970-06-18
Abstract: TV screen protective glass screens have their convex surface finished by grinding and polishing by mounting the protective glass screens on an endless band such that the convex surface is facing upwardly whilst the leading and trailing edges are clamped internally by slats of the conveyor which is moved progressively under an array of pivotally mounted rollers forced into contact with the convex surface which is supplied with a spray of grinding and polishing media whereby the spent media are rinsed off the surface.
Patent DE-2036053-A1 (DE)
Title: Tie dyeing - with pile fabrics to give marbled colour highlights in the pile
IPC: D06B11/00
Filed: 1970-07-21
Abstract: Before the dyeing process, the pile fabrics are folded, pleated, twisted or tied and then dyed in this condition. The purpose is to give a marbled colour highlight effect to pile fabrics, and to process them without damaging the pile structure. The preparation can be by hand to give unique patterns, or mechanically to ensure pattern repeats.
Patent DE-2057068-A1 (DE)
Title: Electric arc furnace - for steel mfr with one electrode made of scrap
IPC: H05B7/07
Filed: 1970-11-20
Abstract: The scrap is pre-heated by fossil fuel derived heat and then hot compacted. The continuous electrode can either be made in an installation above the furnace or away from it when portions are joined in situ.
Patent DE-2065155-A1 (DE)
Title: N,n-diethyl-n,n'-di-n-butyl urea - useful as (hydro) quinone component solvent in hydrogen peroxide prodn
IPC: C07C275/06
Filed: 1970-04-18
Abstract: Title cpd. may be prepd. as per Ullmann's Encyclopaedia (1957) Vol. 8, p. 392.
Patent DE-2119236-A1 (DE)
Title: Potentiometer strip base - of moulded laminated plastic using aromatic cyanate as binder and impregnating agent for sheets of
IPC: D06N7/06
Filed: 1971-04-21
Abstract: The aromatic cyanate, prepd. by reaction of phenols with cyanogen chloride is used to impregnate the cellulose, glass or polyester fibre sheets and the laminate made with heating under pressure. It can be used at high temp. without becoming brittle or losing its electrical resistance. The material does not become porous and can be readily stamped out. The potentiometer strips are made by spraying on a conducting lacquer onto the stamped out strips and curing the laquer.
Patent DE-2137449-A1 (DE)
Title: Sausage machine extruder nozzle - for raw sausage meat where filled skin is wider than nozzle
Inventor: KOLLROSS GUENTER
IPC: A22C11/02
Filed: 1971-07-27
Abstract: To ensure that the meat fills the skin without voids etc., and fully expands the elastic casing, the closed end presses on an axially restrained counter plate such that the expanded casing is in contact over the curved lip of a run-out braking assembly around the casing, which is reeved onto the nozzle in the usual way, the brake being set back axially from the nozzle orifice. In addition transverse vibrations are applied to the casing as it fills, at the counter plate and/or by a guide ring near the orifice or by design of the brake lip which is rotated.
Patent DE-2139621-A1 (DE)
Title: Laminated radiation shielding - absorbent to stray radiation and thermal insulating esp for x-ray rooms
Inventor: KLOTZ HELMUT
IPC: G21F1/12
Filed: 1971-08-07
Abstract: Sheet lead for direct shielding is fixed to one face of a steel or asbestos carrier plate using adhesive and a sheet of enamel for absorbing scattered radiation is stuck over the lead. On the rear face of the carrier is a layer of thermal insulation with an optional outer protective skin. Prefabricated panels in mounting frames are of standardised dimensions to match standard partitioning system components or may be used as wall cladding in old buildings. Simple, relatively cheap and adaptable.
Patent DE-2141334-A1 (DE)
Title: Flame-resistant filaments of fibres - based on pan and brominated polyesters
Inventor: SWOBODA JOHANN DR
IPC: C08L33/20
Filed: 1971-08-18
Abstract: Flame-resistant filaments or fibres are based on acrylonitrile polymers contg. >=85% acrylonitrile, the polymers contg. linear brominated polyesters with the structural unit : in an amt. such that there are 2-5, preF. 2-4, wt.% Br-residues present in the filaments or fibres. X is phenylene, naphthylene, 3,4-dibromo-cyclohexylene, ethylene, propylene, or butylene residue; Y is ethylene, propylene or butylene or Z is S, O, -NH- or CMe2-; X or Y may carry up to 4 Br-residues. Shrink characteristics, thermal stability, breaking strength and colour (whiteness) of the fibres are not affected by the polyesters.
Patent DE-2213526-A1 (DE)
Title: Ceramic glaze suspension application - directly after blank extrusion
Inventor: BADAWI MOHAMED YOSRI
IPC: B28B11/04
Filed: 1972-03-16
Abstract: Extruded wet split ceramic plates are covered with glaze suspension on emerging from extrusion press by means of centrifuge discs, wide angle spray guns or hose, following this they are fired either in zig-zag or other kilns.
Patent DE-2240381-A1 (DE)
Inventor: COBARG CLAUS CHRISTIAN DIPL PH
IPC: B26B19/12
Filed: 1972-08-17
Abstract: A housing is provided with a shearhead having an opening, a perforated shearfoil spans the opening and underneath the shearfoil are mounted shear blades the cutting edges of which contact the shearfoil. A drive is coupled with the blades for making the same move relative to the shearfoil; it has at least one flexural unit composed of a plurality of bilaminar flexural oscillators of ferro-electric ceramic material which are mechanically coupled so that they perform their movements in unison.
Patent DE-2251009-A1 (DE)
Title: Acetylene deriv. prepn. - by adding a cyclic formal, to an acetylenic alcohol
Inventor: SCHMIDT FRANZ DR
IPC: C25D3/16
Filed: 1972-10-18
Abstract: Cpds. having formula A-C Triple bond C-B (I) (where A is H, HO-CHR- or B; B is -CHR-O(C2H4O)m-CH2-O-X-OH; R is H or 1-4C alkyl; X is opt. substd. 2-4C n-alkylene or oxaalkylene in which -O- is bonded between 2 opt. substd. 2-4C n-alkylene gps. and m is 0 or 1) are useful as brighteners for bright Ni plating. (I) are pref. prepd. by reacting A'-C Triple bond CD (where A' is H or D and D is -CHR-O(C2H4O)nH) with in the presence of an electrophilic cpd.
Patent DE-2302520-A1 (DE)
Title: Felt- and shrink-resistant treatment of wool - with urea-polyamine condnsn. products using stable aq. solns
Inventor: GREIF NORBERT DR
IPC: D06M13/432
Filed: 1973-01-19
Abstract: The wool is impregnated with an aq. soln. contg. a condnsn. prod. of urea and >=1 aliphatic polyamines with 3-4 primary and/or sec. amino gps. sepd. from each other by 2-6C atoms. Up to 50 mol. % of the polyamine may be replaced by an aliphatic diamine. After impregnation the wood is heated to 120-160 degrees C. Amt. applied is 4.5-20 (6-12) wt. %, from a soln. contg. 5-20 wt.% condensn. prod. -0.5-5% Na2CO3 and a wetting agent. Felting and shrinkage are greatly reduced, even after repeated washing and the feel of the wool is unaffected. Dyeing props. are unchanged with slightly darker shades and better precipitation of the dye on the wool. Wash fastness of the dye is unaffected.
Patent DE-2312388-A1 (DE)
Title: Ingot moulds with spring-loaded base - gives finer carbide structure in high alloy steels
Inventor: PECNIK FRANZ DIPL ING DR ING
IPC: B22D7/06
Filed: 1973-03-13
Abstract: An ingot mould with tapered walls and a spring-loaded base which presses against the bottom of the mould-wall when the mould is empty, but sinks when the metal content of the mould reaches a calculated weight one-tenth to one-half of the ingot weight, according to ingot size. At this point, the lower, solidified portion of the ingot drops thus maintaining good metal to metal contact at the ingot/mould interface and improving heat-transfer. In this way, the air-gap which normally forms between a contracting ingot and an expanding mould is eliminated; in unfavourable cases, this air-gap can reduce heat-transfer to 1/150th of that obtd. by good ingot/mould wall contact. The improved heat-transfer results in a small grain-size and a finer carbide network in steels contg. ledeburite, esp. those difficult to forge. The mould and base can be of hollow design, cooled by water or other media, and made from chilled iron or materials with better thermal conductivity.
Patent DE-2318601-A1 (DE)
Title: Making composite metal sieves - by covering plate with weld metal and lancing holes
Inventor: WAHL HANS DR ING
IPC: B23K9/04
Filed: 1973-04-13
Abstract: An oscillating welding arc torch deposits rows of hard wear-resistant alloy e.g. contg. chromium carbide upon a tough alloy steel plate. The so formed composite plate may be pressed and holes are cut using a plasma torch from the steel plate through the deposited alloy. Weld metal is not deposited around the steel plate edges so that these edges may be used for clamping.
Patent DE-2332893-A1 (DE)
Title: Mixing and grinding plant having a vibrating chute - ensuring an efficient transfer of material from the mixer to the grinder
Inventor: HOMMEL HELMUT
IPC: B01F13/10
Filed: 1973-06-28
Abstract: Mixing and grinding plant comprises a mixer with outlet connections and vertical mixer shaft, and a hammer mill. An element exercising a sliding or shaking/vibrating movement, pref. a vibrating chute is situated between the outlet connection of the mixer and the feed channel off the hammer mill. The transfer of the pre-mixed material from the mixer into the adjoining grinder, even if the material contains substances which do not flow readily, e.g. protein concentrates, is facilitated by the vibrating chute.
Patent DE-2333707-A1 (DE)
Title: Rotary, carpet cleaning (shampoo) machine - has two inclined rows of bristle discs and integral cleaning agent tank
IPC: A47L11/33
Filed: 1973-07-03
Abstract: Machine has dish shaped rotary bush with outer inclined bristle tuft ring, and inner inwards inclined bristle tuft ring. Machine vertical spindle drive is supported in a bearing hub, below which a cleaning agent tank has apertures to feed the agent along bristles to floor area. The tank is supplied from a top mounted well surrounding the bearing hub, and has an external feed pipe connection. Inclined position of tufts which outwardly increases, results in easy machine movement without exerting undue force.
Patent DE-2336433-A1 (DE)
Title: 1,3-disubstd. 8 alpha oestratrienes - oestrogens with minimal uterotropic activity
Inventor: PREZEWOWSKY KLAUS DR
IPC: C07J43/00
Filed: 1973-07-13
Abstract: Cpds. of formula (I) are new: alkylenedioxy 16alpha, 17alpha or 16Beta, 17Beta; R1 and R3 = H3, acyl, alkyl, cycloalkyl, or satd. O-contg. heterocyclyl; R2 = lower alkyl; R4 = H or opt. unsatd. or substd. hydrocarbyl; R5 and R6 = H, lower alkyl, aralkyl or opt. substd. phenyl). Prepn. is basically by oxidising corresp. (17-acyloxy)-DELTA16- cpds. opt. followed by convention acylations etc. (I) have strong vaginotropic but weak uterotropic activity useful for treating oestrogen insufficiency e.g. menopausal disorders. Pref. dose is 0.03-5 mg/day.
Patent DE-2342834-A1 (DE)
Title: Packing system for cigars etc. - has raiseable suction bell and depositer moving relative to it
Inventor: MUELLER ERNST
IPC: B65B19/26
Filed: 1973-08-24
Abstract: The suction bell has suction apertures on its lower side, and a contact surface for the cigars, etc. The suction bell may be raised and lowered, and contains a depositer, which acts on all the cigars and which is moveable in relation to the bell. In a depositing position, the depositer pressed the cigars into the box, etc., for a limited amount of time, while the bell is being lifted. The depositer is formed as a rail, and positioned in the symmetrical plane of the bell. A horizontally moveable plate transports the cigars under the bell.
Patent DE-2360499-A1 (DE)
Title: Pilot signal recognition circuit - for a pilot signal transmitted by a broadcast sender in addition to its normal signal
Inventor: ARENDT BODO
IPC: G08G1/09
Filed: 1973-12-05
Abstract: The pilot signal is filtered out from the normal signal and, possibly after amplification, applied to a recognition circuit. The normal signal is rectified and applied through a resistor to a transistor collector. The rectified voltage is also passed through a differentiating circuit, which together with a differential amplifier operates as a bandpass filter whose output voltage is applied to the base of the above transistor, whose collector is connected to frame through a capacitor. The latter delivers the stored voltage to the base of a switching transistor with the display element in its output circuit. The switching transistor has a switching threshold and is connected as a Miller integrator.
Patent DE-2401313-A1 (DE)
Title: Inner layer testing of layered cct. boards - uses coating of copper surfaces, remaining after etching, with copper sulphide layer
Inventor: KITLAR JAROSLAV
IPC: H05K1/02
Filed: 1974-01-11
Abstract: The inner layer with conductive tracks separated by etching is tested for current passage between points of connection and/or for sufficiently high dielectric strength between conducting paths not to be connected. After the conducting paths are etched, the remaining copper surfaces are blackened by coating with a stable copper sulphide layer. Contacts are made with conducting paths to be tested, and the contact surfaces electrolytically reduced to that they can be visually recognised in contrast to the black remaining surfaces. Thus faulty points such as insufficiently insulated short circuit bridges and/or poor contacts can be easily apertained by visual checking. Preferably the degreased circuit boards are treated for copper surface blackening with an aqueous solution of 9 g/l of potassium sulphide and 1 g/l of 30% ammonia. The copper surface to be contacted may be first connected in a weak hydrochloric acid as a cathode, and after about two thirds of the total electrolytic treatment connected as an anode. The circuit board is then rinsed.
Patent DE-2403245-A1 (DE)
Title: Electric razor with oscillating armature drive - armature coupled to swivable lever carrying cutter moving under shaver foil
Inventor: BRUCHER EGON
IPC: B26B19/28
Filed: 1974-01-24
Abstract: The cutter forms a vibratory structure relative to the swivel lever in the longitudinal direction of the foil and is supported on the swivel lever by an elastic mounting. The vibratory structure has a characteristic frequency which is an integral multiple of the vibrational frequency of the swivel lever and of the number of foil perforations which are transversed in one cycle. The ratio between the drive frequency to the basic frequency of the cutters' characteristic vibration lies in the range 1:5 to 1:25. The elastic mounting between cutter and lever consists of e.g. two rectangular plate springs.
Patent DE-2412959-A1 (DE)
Title: Connection system for control cct. point arrangement - connects different control and operating points in cct. in limited spatial system
Inventor: REITMAA ILPO DIPL ING
IPC: H04L7/00
Filed: 1974-03-18
Abstract: Only very few lines, common to the different control and operating points, are provided in the specified area, such as a factory, a ship etc, running preferably in the form of a single cable past all points. The system comprises an oscillator which periodically supplies timing etc, signals to a wire, and each of the control and operating points has a pulse counter which changes its state on reception of a pulse. The different counters are so adjusted, that all related points are activated at a specified counter reading. Each control point has a signalling device, depending on the counter state, which delivers a signal to the common wire, from which it is received by a signal receiver in each operating point, also depending on the counter state.
Patent DE-2413006-A1 (DE)
Title: Adjustable electric lamp for laboratories and darkrooms - for use in a wall bracket or as independent light
Inventor: BERNHARDT RAINER DIPL ING
IPC: F21V23/06
Filed: 1974-03-18
Abstract: Electric lamp for dark room to provide filtered or unfiltered light consists of two parts. An L shaped wall socket with two notches in the short side of the L for different lamp positions and a magnetic peg jutting out at right angles from the long side of the L to slide a second detachable part, with a mating recess, holding the lamp, on or off. The socket connected to the usual current has a current reducing transformer, while the detachable lamp head has its own battery which takes over if used independently. The electric contacts between socket and lamp head are in the above mentioned peg and mating recess. The filter plate together with a selective arrangement for unfiltered light are in the lamp head.