baber/WOPTO huggingface dataset:
Patent DE-2537511-A1 (DE)
Title: Typewriter with fixed platen and movable printing head - has power unit to ensure rapid vibration-free return of head to beginning of line
Inventor: JAEGER KLAUS
IPC: B41J19/72
Filed: 1975-08-22
Abstract: A typewriter has a fixed platen (1) and a printing head (2) which moves on rails (3, 4) parallel to the axis of the platen. The head is moved from left to right by e. g. a band drive (4) powdered by a stepping motor (5). An alternating current motor (6) supplies energy to an energy store which may consist of a simple flywheel (7) and has its drive axle positioned end-on to the drive axle of the stapping motor. When the printing head is commanded to return to the beginning of the printed line, a coupling ((8) is used to connect the flywheel (7) to the stepping motor drive shaft which assists in turning the band drive and hence in moving the head rapidly and free of vibration to its initial position.
Patent DE-2554679-A1 (DE)
Title: Antisnaking brake for vehicle towbar - with totally enclosed friction brake on sliding mounting beneath towbar
Inventor: KLEINFELD ALOIS
IPC: B60D1/32
Filed: 1975-12-05
Abstract: The towbar (10) is coupled to the towing vehicle (7) by a friction brake (1) which dampens the snaking action of the trailer. A totally enclosed set of brake discs is mounted on a bracket (30) under the towbar, and is pivotted about a transverse, horizontal axis (26). The bottom end of the brake is linked to the towing vehicle by an adjustable strut (8). The brake allows vertical flexing movements of the towbar and towing hook. With the mounting bracket on a sliding fitting under the towbar, the amount of towbar deflection is not limited by the brake. The totally enclosed construction prevents ingress of water and dirt for a safe operation.
Patent DE-2557778-A1 (DE)
Title: Printing head with line:defining elements - selectively movable to print alphanumeric characters from rectangle with 2 diagonals and bisecting lines
Inventor: HEIM WALTHER
IPC: B41J2/50
Filed: 1975-12-20
Abstract: The printing head has line-defining elements movable in selected combinations against an impression surface to produce a given character. The elements define a rectangle, its two diagonals, and its two bisecting lines. Each side of the rectangle, each diagonal, and each bisector is made up of two in-line elements. This enables any alphanumeric character to be made up. The elements are supported in the head for the printing motion and against rotation. The printing motion is effected electro-magnetically and the head as a whole is movable linearly for the printing of lines of characters.
Patent DE-2557969-A1 (DE)
Title: Mixer tap for bathrooms - has push button valve and output limiter for hot water with rotary slide valve control
Inventor: ZWINK HELMUT
IPC: E03C1/044
Filed: 1975-12-22
Abstract: The mixer tap is for use in conjunction with an electrical geyser, having two heating stages. On the warm side, the mixer tap has a fully opening valve with an output limiter (14) positioned in front of it. The output limiter is located in the warm water supply (12) from the geyser (13). On the coldside, the outlet side is adjustable. Alternately, a similar push button valve (2) may be present on the cold side, having an associated rotary slide valve (10) for outlet adjustment, in the supply (9). With push button valves positioned next to each other, the rotary slide valve controls both supply channels. For temperature control, the rotary slide valve supplies the same amount of hot water at any adjustment, but alters the amount of cold water.
Patent DE-2603295-A1 (DE)
Title: Coal gasification under pressure - by cooling synthesis gas in waste heat dual circuit boiler at high pressure and temp. over tar dew point
IPC: C10J3/16
Filed: 1976-01-29
Abstract: In a coal gasification system under pressure, a tar- and dust laden synthesis gas is produced at 400-550 degrees C. The synthesis gas is cooled in a dual-circuit waste heat boiler. The latter has an adjustable coolant pressure in the prim. circuit which amounts to >80 bar. Its temp. at the contact surfaces with the synthesis gas lies above the dew point of the tar. The satd. steam produced by the waste heat recovery leads to much better thermal efficiency. The synthesis gas is cooled without clogging the cooling tubes by ash or flue dust.
Patent DE-2606529-A1 (DE)
Title: Dosing valve for liquids in open vessels - includes measurement space closable w.r.t. vessel interior by pressurised liq. acting against the force of a spring
Inventor: HAWRYLENKO ALEXANDER DIPL ING
IPC: B01J4/00
Filed: 1976-02-18
Abstract: A dosing valve intended for installation in the base of a vessel and serving to release known vols. of liq. from the vessel, includes a measurement space (I) which, when the valve is unactuated, is open to the inside of the vessel and closed w.r.t. the surroundings by a non-return valve. Space (I) can be closed w.r.t. the vessel interior by a movable element using a pressurised fluid which acts against the force of a spring. This element is part of the walls of a hollow body which can be enlarged by the pressurised fluid. An opening in the hollow body is closed by an overpressure valve, which can only open after the element has sealed (I) w.r.t. the vessel. When the overpressure valve opens, the opening communicates with (I). The dosing is carried out under absolutely sterile conditions. The vol. measured out is independent of temp. and viscosity of the liq. dose. No subsequent emptying and cleaning of lines is necessary.
Patent DE-2608711-A1 (DE)
Title: Mobile chassis for portable contamination monitor - with pole hinged to frame with bearing blocks for roller balls
Inventor: GROSSNER RUDOLF
IPC: G01T1/169
Filed: 1976-03-03
Abstract: Mobile chassis for using a portable contamination monitor as a floor monitor comprises a frame consisting of metal sections, to the flanges of which are attached bearing blocks for roller balls, and to which is hinged a pole. The flanges pref. extend outwardly with the bearing blocks mounted on top of them, and the balls are prevented from falling out through openings in the flanges of smaller dia. than the balls. The inner corners of the frame are reinforced with bottom corner plates. An elastic fastening strap or cord may be attached to the frame for the monitor, with engaging means at the end of the strap coacting with engaging means on the frame. The chassis is easy and cheap to mfr. and easy to decontaminate, has min. dimensions and can move underneath installations.
Patent DE-2609310-A1 (DE)
Title: Self-sealing closure for tubes or bottles - has slits and hinged lips which open or close on application or release of pressure
Inventor: LOERTSCHER UL
IPC: B65D47/20
Filed: 1976-03-06
Abstract: An automatically sealing closure for containers esp. collapsible tubes and bottles has a free end of rubber-elastic matl. and several slit-shaped passages that open from the side of the container. These slits fix lips which swivel about weaker zones serving as hinges, in such a way that the lips are folded apart when the contents of the container are squeezed or shaken out of it, and close again automatically when the pressure is released. Effective sealing is obtd. and only little pressure is required to effect opening. The contents (e.g., toothpaste) issues from the container in uniform shape. May also be used as a dropper or, on industrial scale, for filling other containers.
Patent DE-2618184-A1 (DE)
Title: Dispensing and affixing device for stamps - has downwards movable prop for activating moistening device and for placing stamps in position
Inventor: LITZ JOSEF
IPC: B65C11/04
Filed: 1976-04-26
Abstract: A dispensing and affixing device for postage stamps includes a housing in which is located a device for moistening a stamped surface and a magazine for the postage stamps A prop is movable in a downwards direction against a force of a spring. The prop activates the moistening device and then moves a postage stamp on the stamped surface and ultimately presses the stamp against the surface. The magazine (6) consists of a top and bottom open enclosure (7, 8, 9) in which is positioned a stack (10, 11, 12) of the postage stamps with their adhesive surface facing downwards. The stack (10, 11, 12) is prevented from falling through the enclosure (7,8,9) by holding edges. The magazine (6) is moved against a force of the spring (26) on the stamped surface and during its upwards movement the prop is brought in a position on the stack (10, 11, 12).
Patent DE-2620277-A1 (DE)
Title: Continuous microwave oven - with alternating heated and unheated zones
Inventor: MUELLER PAUL CURT
IPC: H05B6/80
Filed: 1976-05-07
Abstract: A continuous tunnel oven is built with a series of microwave generators and reflectors forming heating zones, between which there are unheated zones. Used in the construction of ovens with microwave heating. Provides very uniform distribution of energy input, preventing overheating of the materials passing through the oven; ready access to the heating elements and the oven conveyor; easy adjustment of the heat distribution.
Patent DE-2624715-A1 (DE)
Title: Consolidation of subterranean formations - by injection of a resin soln. contg. inert solids and soluble solids
Inventor: ANDERSON BUDDY WAYNE
IPC: C09K8/565
Filed: 1976-06-02
Abstract: Incompetent subterranean formations are consolidated by (a) dispersing a resin in a carrier liq.; (b) adding a mixt. of inert solids coated with the resin and uncoated solid particles comprising a mixt. of hdyrocarbon wax and a polymer, the wax/polymer particles being insoluble in the carrier liq. at ambient temp. but oil-soluble at the formation temp; (c) injecting the resulting mixt. into the annular space between the formation and a gravel-packing solids retainer; (d) hardening the resin; and (e) dissolving the wax/polymer particles. The process produces a highly permeable hard solid mass which controls loose sands in oil-, water- and gas-bearing formations without significant loss of permeability.
Patent DE-2629420-A1 (DE)
Title: Carboxy-thioxanthenylidene-piperidine - useful as appetite stimulants and antiallergics
Inventor: ANDERSON PAUL STANLEY
IPC: C07D335/20
Filed: 1976-06-30
Abstract: 1-Methyl-4-(2-carboxy-thioxanthen-9-ylidene)piperidine of formula (I) and their salts, ester and amides are new. (I) are used as appetite stimulants and antiallergic antihistamines with low antiserotonin and anticholinergic activities for both humans and animals. They may be prepd. by hydrolysis of the corresp. nitriles, e.g. 1-methyl-4-(2-organothioxanthen-9-ylidene) piperidine is refluxed with 6N.HCl.
Patent DE-2629717-A1 (DE)
Title: Blood dialyser mixture control system - has liq. collector vessels on balance arm with balance weight and weight monitor
IPC: A61M1/34
Filed: 1976-07-02
Abstract: The blood dialysis unit has a blood pump (1) and filter (2) forming a circuit to which is connected a drive circuit with a suction pump (3) and filtrate collector vessel (4). Another vessel (5) for a substitute liquid has an infusion pump (7) connected to the input side of the blood pump (1). Both these vessels are carried on a balance arm (6). The T:H of this arm can be compensated for by a motor driven sliding weight (14). The arm also has a device for monitoring the difference in weight between the two vessels, and which gives a control signal for the infusion pump (7) or a valve (10) to control the mixture. It can also control a further pump (11) connecting a measuring vessel (15) to the junction between the section pump (3) and the filtrate vessel (4). All the pumps can be exchangeable units.
Patent DE-2640199-A1 (DE)
Title: Correctly coloured enlargements of colour photographs - use filtering of exposure light negative and colour analyser and mixer head
Inventor: WALLNER RICHARD
IPC: G03B27/73
Filed: 1976-09-07
Abstract: Method for prodn. of correctly coloured enlargements of colour photographs is carried out by taking a picture of exposure light, using an attachment (6) which transmits diffuse light mounted over the lens, before taking a picture of the desired scene. After developing the pictures, the exposure light negative is filtered in the dark chamber with a colour analyser and a colour mixer head so as to produce colour balance at the colour analyser. The colour photographis taken with the same exposure light can then be enlarged successively while maintaing the colour mixer head adjustment. The lens attachment is pref. cup-shaped and made of matt white plastic material, and connected to a lens protector cover (5).
Patent DE-2645418-A1 (DE)
Title: Electronic machine regulating system - is for path dependent control of tools or auxiliary devices and has incremental counter with shift register
Inventor: HOENER MANFRED
IPC: G05B19/07
Filed: 1976-10-08
Abstract: An electronic control system is for path dependent control of tools or auxiliary devices for machining of wood. It has an incremental counter and shift register in series connection. The incremental counter is started by means of a register position to which a signal is applied. The shift pulse of the register and the counting pulse of the incremental counter are dependent on the feed path. Two pulse generators are provided which care dependent on a continuously moving chain with carrying cams for transporting the workpieces. The first pulse generator is connected to the shift register and the second pulse generator to the incremental counter.
Patent DE-2646918-A1 (DE)
Title: Dissolved alkali carbonate prepn. from alkali bi:carbonate - passed as suspension through a weakly acidic ion exchanger bed
Inventor: VAJNA SANDOR DIPL ING CHEM DR
IPC: B01J39/07
Filed: 1976-10-18
Abstract: Dissolved alkali carbonate, (I), is prepd. from alkali hydrogen carbonate, (II), by an ion exchange process, in which the H+ ions of (II) are replaced by the alkali ions of a very weakly acidic cation exchanger and an alkali hydroxide soln. is used to charge the cation exchanger. Novelty comprises passing a suspension of the solid (II), pref. contg. (I), in the soln. of (II), downwards through the exchanger bed. The reaction between the H+ ions of (II) with the alkali ions of the cation exchanger is completed after dissolving all the suspended (II). Process can be applied to prepn. of Na2CO3 solns. having over 3 N concn.
Patent DE-2650827-A1 (DE)
Title: Fire-resistant material mfr. - from alkali silicate soln. by partial drying and moulding plastically and heating
Inventor: CAESAR ARNDT CHRISTIAN
IPC: E04B1/94
Filed: 1976-11-06
Abstract: A liq. mixt. of alkali silicate and water contg. 45-95 wt.% water is dried to contain 6-40% water. The mass obtd. is opt. mixed with reinforcing materials and other additive prod. and is heated to 40-110 degrees C to bring it into a plastic state. The plastic mass is shaped by pressing, either during mixing or subsequently. The moulded pieces obtd. are cooled and may be provided with esp. an alkali resistant coating. Used for mfr. of panels for preventing the progress of fire. The water is the mixt. does not have to be removed entirely from the moulded articles, but partly from the clay before moulding, so that this part of the process can be effected more rapidly and cheaply with expenditure of less energy than in prior art. Unevenness of drying causing warpage etc. are eliminated.
Patent DE-2655786-A1 (DE)
Title: Electromagnetic vibrator with small light magnet system - has two weights tuned to natural frequency connected by levers
Inventor: HANEMANN SIEGFRIED DIPL ING
IPC: B06B1/04
Filed: 1976-12-09
Abstract: Electro-magnetic vibrator consisting of two weights coupled by a spring system and tuned to their own frequency with an exciter magnet system of two sections working together. The two weights (1, 2) are connected to each other by a lever system (6). One section of the exciter system is rigidly attached to one weight (2) with the other section (5) being connected to a link point of the lever system. The lever system consists of two symmetrically positioned levers or pair of levers (6). The vibrator forms an integrated constituent of an oscillating conveyor trough or a vibrating sieve.
Patent DE-2656393-A1 (DE)
Title: Visual display unit with light pen - allows diagram production using characters and symbols held in memory
Inventor: SHAHATA MOHAMED DR ING
IPC: G06F3/033
Filed: 1976-12-13
Abstract: A video display system with light pen facility allows the development of composite drawings using symbols and characters held in a memory. With the keyboard (TAF1) located at the bottom of the display screen (SG), the top half is available for drawing development using a light pen. The light pen is used to identify a specific symbol or character on the keyboard which is then called up from memory onto the screen. When the diagram is complete the data is available in store. The technique is suited to circuit design and production.
Patent DE-2657277-A1 (DE)
Title: Sealed compact refrigeration set - has separator plate forming hermetic seal between halves of magnetic drive coupling
Inventor: GAUS ERNST
IPC: F25B31/00
Filed: 1976-12-17
Abstract: The refrigeration set has a compressor unit with a piston working in a cylinder and driven by a shaft, the unit being accommodated in a hermetically sealed housing. Connected to the housing is a housing accommodating an axial magnetic coupling between the driving shaft and that actuating the compressor piston. The coupling housing is hermetically sealed from the outside by a separator plate in the air gap between the two coupling magnets. The two shafts can each have plates, opposite each other, and supporting annular permanent magnets. The external magnet diameter can be less than that of the plates, the space between the magnets and the plate flanges being filled with synthetic resin.
Patent DE-2659382-A1 (DE)
Inventor: SCHLUEP RENE
IPC: E06B9/327
Filed: 1976-12-29
Abstract: In the gathered slatted blind, the slats (1) are guided in lateral guides (8). Between these and the closed slats (1), a slot is normally formed, through which light falls into the darkened room. In order to be able to cover this slot even in narrow window reveals, it is envisaged that there is provided at the ends of the slats (1) and in their extension a covering strip (10) which bears against the slats (1) with one longitudinal side when the blind is closed. <IMAGE>
Patent DE-2703600-A1 (DE)
Title: Barium sulphate X=ray contrast agent suspensions - with defined properties produced from barium sulphate with defined parameters such as bulk density and particle size
Inventor: FISCHER FREDI DR MED
IPC: A61K49/04
Filed: 1977-01-28
Abstract: New use of barium sulphate is in the prodn. of X-ray contrast agent suspensions consisting essentially exclusively of barium sulphate. The barium sulphate dry substance has a bulk density of >=1.20g/ml. (DIM 53912); a specific surface of >=5.00m2/g. (DIN 66132); a density of >=4.00g/ml. (DIN 51057); an ignition residue of is not 6.00g% (DIN 51070/9); and particle sizes of 400-1500 angstroms (DIN 51033). The aq. suspension has a viscosity of is not >15cP (DIN 51550/53788); a surface tension has of 35-55 dyn/cm (DIN 53914); an interface tension w.r.t. gastric juice of is not >10dyn/cm; and a pH of 7-8 (DIN 19261/19266). The suspensions combine max. absorption of radiation with minimal viscosity, and their surface tension corresponds closely to that of gastric juice, so that they penetrate deeply into the folds of mucous membranes. Because the desirable properties of the suspensions are defined by specific parameters, X-ray contrast agents for gastrointestinal use can be obtd. with reproducible properties. The suspensions are produced by mixing dry substance consisting of polydisperse aggregation of different forms and sizes, pref. by a combined stirring and grinding process.
Patent DE-2707941-A1 (DE)
Title: High pressure rubber hose mfr. - having reinforcing layer of textile threads, avoiding intermediate cooling of first blank before applying reinforcement
Inventor: GOHLISCH HANS-JOACHIM ING GRAD
IPC: B29D23/00
Filed: 1977-02-24
Abstract: In the mfr. of high-pressure rubber hoses with a reinforcing layer of textile threads, the intermediate cooling of the first hose blank to make it rigid enough for the wrapping of textile threads, and its reheating can be saved and the productivity can be raised. This is achieved by using for the first hose blank a rubber mix with fibres, made of a material with a softening temp. above the processing temp. of the rubber. During the extrusion, the fibres are given an alignment which includes a component parallel to the periphery, pref. in a triaxial pattern. This makes the blank stiff enough for the wrapping operation of the textile threads at extrusion temp. followed by the application of a second rubber mix.
Patent DE-2722192-A1 (DE)
Title: Mine gallery or tunnel filter for restricted situations - has corrugated tensioning frame with sharp or rounded tip corrugations
Inventor: HOELTER HEINZ
IPC: E21F5/20
Filed: 1977-05-17
Abstract: The filter for mine galleries and tunnels where space is extremely restricted has a filter cloth supported on a tensioning device (2) mounted on a rectangular frame (1). To ensure a maximum surface area for the cloth, so as to have the maximum air cleaning effect, the tensioning device is corrugated. The corrugations can be sharp pointed, or may have rounded tips.
Patent DE-2728062-A1 (DE)
Title: Swivel office chair with footrest - has flat locking member ensuring correct position of movable footrest
Inventor: NEUMUELLER KONRAD
IPC: A47C9/02
Filed: 1977-06-22
Abstract: The adjustable foot rest attached to the seat support can be locked in position by a forked locking member (14, 15). This has at least two locking gaps (19) one end, between prongs (18). At the other end is an articulated joint for its attachment to the setting plate (10) which is operated by a suitably fixed lever (21). This connecting joint (22) can be axially displaced on the setting plate and the locking member itself is axially biased by a resetting spring (23). A detent cam (20) on a support (12) on the footrest (6) is locked into the gaps on the locking member (14, 15) forming the different catch positions. There is a curved guide slot (26) on the setting plate on the other side to fix the end positions. The locking plate can be flat so that it can be readily mounted between the setting device and a support hoop on the footrest.
Patent DE-2737202-A1 (DE)
Title: Prepn. of pigment dispersions for plastics - by ball-milling in liquid with compatible polymer particles
Inventor: HAGEN WALTER
IPC: C09D17/00
Filed: 1977-08-18
Abstract: Pigment dispersions for use in polymers are made by ball-milling the pigment in a liquid, opt. with addn. of dispersing agent, in presence of particles (e.g. baths, heads, chips) of one or more polymers compatible with the polymer in which the dispersion is used. Pref. the particles are of the same polymer as that for which the dispersion is intended. Discoloration and contamination of the pigment by abraded material from usual glass beads and the ball with container wall, which blocks screens and nozzles in fibre extrusion, is prevented.
Patent DE-2737267-A1 (DE)
Title: Hot isostatic pressing of silicon based ceramics - using a molten metal pref. tin to transmit the pressure
Inventor: HUETHER WERNER DR ING
IPC: B30B11/00
Filed: 1977-08-18
Abstract: Hot isostatically pressed Si based ceramics are prepd. by using a molten metal (pref. Sn) as the pressure transmitting medium. The metal is housed in an open crucible, an evacuated glass vessel or between graphite rams in a graphite die set. The surface of the body is protected by a pressure tight film of SiO2 produced by oxidising a layer of Si on the surface. The pressure is applied more uniformly to the body resulting in less deformation.