baber/WOPTO huggingface dataset:
Patent DE-4017831-A1 (DE)
Title: Photographic film giving simultaneous exposure of characteristic data - presented in machine and/or human readable form at side of perforations away from picture frame
Inventor: LUEHRIG HERMANN DIPL ING
IPC: G03B17/24
Filed: 1990-06-02
Abstract: The lower film edge has the manufacturer's markings designating the frame number and the DX code (5') which as well as giving the film type can also show the frame number in bar code form. The upper film edge is for the exposed frame data, e.g. for frame no.2 the date 28.05.90 (6) also gives as a bar code (6'). This information can be printed on the back of the print or enlargement made from the developed film. If the bar code is not used the exposure data can be imaged on a CCD chip. The pinel pattern derived can be printed on the back, e.g. by a needle printer. ADVANTAGE - No effect on picture taken.
Patent DE-4020161-A1 (DE)
Title: Multiple shaft gearbox with input shaft driven oil pump - has suction pipe with filter fitted lower end in sump and upper end with constantly filled intermediate reservoir at pump level
Inventor: HERLITZEK WERNER
IPC: F16H3/093
Filed: 1990-06-25
Abstract: The multiple-shaft gearbox (1) has a pump (18), in the upper region of the gearbox, connected directly to the drive shaft (8). The pump provides lubrication for the gears (19-28) and pressure for disc clutch operation. A lower end of a pump suction pipe (16) is fitted with a filter (36) and submerged in an oil reservoir (31). The upper end feeds an intermediate oil reservoir (18a) located at pump level and on the output side (14) of the gearbox. The intermediate oil reservoir does not empty when the pump is not operating. ADVANTAGE - Dry running of the pump is avoided.
Patent DE-4023387-A1 (DE)
Title: Generation of logic image for testing microelectronic components - using raster electron microscopic with unmodified deflection unit
Inventor: OTTO JOHANN DIPL ING
IPC: G01R31/305
Filed: 1990-07-23
Abstract: A specimen conserving method of generating logic images involves directing an electron probe (PE) at a specimen and scanning synchronously with a signal simulated (CLK1/2) in the specimen. The probe is repeatedly deflected in a first direction (x). The phase (phi) of the electron pulses w.r.t. the stimulated signal is changed after each line traversal. The probe is displaced in a direction (y) perpendicular to the first direction. The secondary electron intensity measured in a detector unit is displayed w.r.t. phase and position. USE/ADVANTAGE - - For testing microelectronic components in conventional raster electron microscope without modifying deflection unit.
Patent DE-4026166-A1 (DE)
Inventor: MENDLER ALFRED DIPL ING
IPC: A47J27/08
Filed: 1990-08-17
Abstract: A cooking vessel consists essentially of a pot-shaped container (1) and a lid (3) for closing the container (1). The container has a peripheral rim (2) which is turned outward. When an actuating knob (14) movably mounted on the lid (3) is moved in the direction of closing, said rim is gripped by peripheral lips (6) which are turned down and in and which have closure segments (5) mounted on the lid (3) so that they slide essentially parallel to the plane of the rim (2). When the actuating knob (14) moves in the direction of opening, said rim is released by the peripheral collars (6). To facilitate closing and opening of this cooking vessel, the invention proposes that the actuating knob be mounted axially mobile on the lid, that when the actuating knob (14) moves axially in the direction of closing the closure segments (5) with the peripheral lips (6) be pulled radially inward into the locked position and that when the actuating knob (14) moves axially in the direction of opening, the closure segments (5) with the peripheral lips (6) be pushed radially outward into the unlocked position.
Patent DE-4026679-A1 (DE)
Title: On=off switching device for compensation capacitors - consists of two thyristors in antiparallel energised by control dependent on voltage difference
Inventor: SEITZ JOHANN DIPL ING
IPC: H03K17/79
Filed: 1990-08-23
Abstract: The capacitor of a compensating assembly has an ON and OFF switch consisting of two thyristors (1, 2) in anti-parallel, energisable by a control switching the thyristors on only when, on the ON command, the voltage difference between the mains voltage and capacitor voltage is approx zero. Pref. the control is an opto-triac (10) with a zero point switch. The ON command for the opto-triac may be mains voltage dependent. The command is supplied via an opto-coupler output transistor (21). Whose input is fed from the mains via a capacitor (3) and a bridge rectifier (19). ADVANTAGE - Low-cost design, reliable operation, and long service life.
Patent DE-4027760-A1 (DE)
Title: Attachment of hinge to door or window -  involves rib of mushroom cross=section on hinge fitting in groove in door
Inventor: MENCHER WERNER
IPC: E05D5/02
Filed: 1990-09-01
Abstract: The hinged window or door has a frame (1) made from extruded sections (2). The frame (1) has a groove (4) to receive the hinge fixing strip (6) which is secured by screws (12). The part of the hinge (11) which is fixed to the door has a lug (5) with holes for rivets (8) which fasten the rivet to the door. The hinge (11) has a rib (14) with a mushroom shaped cross-section. The rib fits in a matching groove in the extruded section (2). The rib transmits any bending moment, due to the weight of the door, directly to the door frame so that the rivets (8) are not subjected to these bending moments. USE/ADVANTAGE - Door hinge fixing with bending moment transmitted directly to door frame.
Patent DE-4029249-A1 (DE)
Title: Appts. producing three=dimensional pressure impacts in fluid -  sequentially energises circular coils with current pulses to react with magnetic or magnetisable particles in sponge material
Inventor: PESCHEL MANFRED PROF DR
IPC: F04B43/09
Filed: 1990-09-14
Abstract: A vol. defined by an open porous sponge material (5) in which magnetic or magnetisable partic. are inlaid is surrounded by at least one magnetic drive stage consisting of a series of circular coils (2).  This stage (1) is driven by a logic circuit so that the coils are sequentially powered by current pulses at a variable preselected pulse rate. A freq. modulated peristaltic movement is induced without a drop in pressure being necessarily incurred along the direction of movement of the fluid. Catalysts for chemical reactions can be inlaid in the pores of the magnetic-elastic sponge material. Alternatively, biological populations can be introduced for biological and/or biochemcial reactions. The sponge material can have micropores for use in filtration and separation. USE/ADVANTAGE - Peristaltic or rotary pump suitable for many purposes and transporting liq. or gases over long paths without pressive drop.
Patent DE-4029641-A1 (DE)
Inventor: EHRLINGER FRIEDRICH
IPC: F16H57/04
Filed: 1990-09-19
Abstract: A housing for a gearbox has lateral openings (2 and 3) for mounting individual units, preferably for arranging a power take-off. The openings (2 and 3) can be closed by caps (4 and 7). The gearbox housing contains lubricating oil for lubricating drive elements and bearings in order to prevent a maximum temperature from being exceeded. To obtain a simple cooling device, the caps (4 and 7) are designed as oil/air heat exchangers.
Patent DE-4032212-A1 (DE)
Title: Chromatic Senarmont compensation polarisation microscope arrangement - uses device for 2 anisotropic phase plates with given phase difference in front of analyser
Inventor: DANZ RAINER DIPL PHYS
IPC: G02B27/28
Filed: 1990-10-11
Abstract: The compensation device has an illumination system (1) for the anisotropic phase object, a polariser, an optical imaging system, a Senarmont compensator (6), a rotatable analyser (8) for measuring the rotation angle and a signal detection device (11). The Senarmont compensator (6) uses 2 anisotropic phase plates (6',6'') with a phase difference of 1/2(pi) (2i-1) and a difference in the oscillation azimuth direction of (1/2)(pi) (L-1), the phase plates (6, 6'') having different Ehringhaus numbers to obtain an overall Ehringhaus number of approximately-3.46. ADVANTAGE - Simple compensation ensuring accurate results.
Patent DE-4032376-A1 (DE)
Title: Easily applied heat shrink tubing -  is thermoplastic extrusion with inner and outer features on its profile, which when tubing is cut longitudinally, interlock together
Inventor: SACHSSE LOTHAR
IPC: B29C53/38
Filed: 1990-10-12
Abstract: A heat-shrink tube is extruded with longitudinal features which, when the tube and its longitudinal slots have been stretched, and the longitudinal edges formed; the cross-section of these features allows one part to have a recess and the other part to have a projection which locks into it. ADVANTAGE - The profile of the tube enables untrained personnel to use it. It can be applied to already wired cabling; it can be used either to insulate or prevent the ingress of moisture.
Patent DE-4035946-A1 (DE)
Title: Coarse particles sepn. appts. from fine particles - useful in smoke washing contg. inner and outer funnels with gap, for large particles catcher panel, for recycling
IPC: B01D53/74
Filed: 1990-11-09
Abstract: Rising particles are caught by droplets and fall into a tank to form a sediment with large and small particles for disposal. Funnel-shaped tank base includes inner funnel with a gap between inner and outer funnels on the inflow side; catcher panel extends from the particle drop zone and inclines towards the rim of the outer funnel; and gap between the funnels is the segment of a circle. USE/ADVANTAGE - Water contg. fine sediment is sepd. through the inner funnel and may be recycled through the washing plant.
Patent DE-4037816-A1 (DE)
Title: Seal for ends of gap between milling rollers - comprises annular ring mounted at roller ends covering both gap and edge of second roller
Inventor: BUCHHOLZ GUSTAV
IPC: B30B11/16
Filed: 1990-11-28
Abstract: The process relates to rollers used in metal rolling operations esp. in rolling presses or mills. Existing methods of preventing metal from leaving the sides of the roller gap utilise side checks which form an integral part of a material feed chute. Angular changes in roller axis position leads to jamming of metal between the cheeks and the roller and eventually machine shut-down. An improved sealing method for the roller gap uses an annular ring seal which is mounted at the side of one roller and has freedom of movement in the roller axis direciton. The ring covers both the roller gap and part of the edge of the opposing roller. USE/ADVANTAGE - The arrangement is used to seal the sides of the gap between rotating rollers, esp. in rolling mills, does not require frequent exchange due to wear and prevents machine shut down due to jamming,
Patent DE-4100430-A1 (DE)
Title: Copolymer solns., useful as binders for automobile paints - by reacting alpha-branched glycidyl ester, methacrylic] acid, hydroxyalkyl and alkyl methacrylate](s), styrene] and polypropylene derivs.
Inventor: DALIBOR HORST DIPL CHEM DR
IPC: C08G18/62
Filed: 1991-01-09
Abstract: Copolymer soln. (I) contains (A) 15-50 wt.% normal inert paint solvents and (B) 50-85 wt.% OH gp-contg. copolymer obtd. by simultaneous addn. (esterification) and polymerisation of (a) 20-30 wt.% glycidyl esters of alpha-alkyl- and/or alpha,alpha-dialkyl-alkanoic acids, (b) 8-12 wt.% methacrylic acid, (c) 15-27 wt.% (1-6C hydroxyalkyl) methacrylate, (d) 30-53 wt.% styrene, (e) 1-5 wt.% polypropylene glycol monomethacrylate with mol. wt. 350-387 and (f) 0-20 wt.% (1-8C alkyl) methacrylate, by refluxing in inert solvent of b.pt. 160-200 deg.C. in the presence of polymerisation initiators, opt. carboxy-epoxy catalysts (II) and opt. chain-transfer agents. (I) is produced by heating a mixt. of component (A) and monomers of (B), the b.pt. of (A) such that the required solids content of (B) in (A) is obtd. at the end of the reaction; the two monomers and other additives are gradually added to the solvent etc. at temps. corresp. to the process of the reaction, and polymerisation is completed opt. by also heating at polymerisation temp.. USE/ADVANTAGE - Useful in clear or pigmented coating materials, esp. in paints for motor vehicle bodywork (for mfr. and repair). These paints have a high solids content combined with relatively low viscosity and good flow properties; they give coatings with good gloss and fill, high mechanical strength and resistance to chemicals and weathering. Also claimed are reaction paints contg. (I) as binder and di- and/or poly-functional polyisocyanates (III) as hardener, pref. 600-80 wt.% (I) and 20-40 wt.% (III).
Patent DE-4102507-A1 (DE)
Title: Illumination device for optical appts.
Inventor: BERGNER JOACHIM
IPC: G02B19/00
Filed: 1991-01-29
Abstract: The illumination device is for an optical appts. The device produces a beam of rectangular cross-section and has a spherical auxiliary mirror (1). There is a first collector disc (3), a refracting disc (4) and a second collecting disc (5). The refracting disc (4) is transparent to the visible spectrum and has a flat surface on the light incident side (8).  The light exit side (7) is formed with several flat surfaces (7a,7b,7c) of rectangular shape. The surfaces (7a) are parallel to the surface (8) whilst all the other surfaces are inclined to the surface (7a) at the same angle. The refractory disc (4) is so positioned that its light incident surface (8) is at right angles to the optical axis (9) of the light source (L).
Patent DE-4108322-A1 (DE)
Title: Device for producing and aligning components - aligns them on base platform of building to be erected, and involves components comprising prefab. walls and connected floor covering
Inventor: SCHRAMM HORST
IPC: E04B1/35
Filed: 1991-03-14
Abstract: A cable (7) with claws together with tension and cross-cut devices are so formed and positioned in that the free edges of the floor covering (6) are retained for the alignment process.  A manipulator (9) has upper rollers, positioned laterally to its mast and suitably spaced, which are held by a rotatable retainer so that resulting forces do not exert a bending moment on the mast. The cable is connected to the manipulator mast via a sprung component. Facade parts are so aligned and connected to one another, and supports (12) are so formed that the alignment process is stabilised by guide fillets fixed on the inside of the corners of the facade parts. The supports (12) are fixed to the covering (6) by screws which grip into recesses, and the whole arrangement means that work under a shifting load is obviated. USE - In the construction of buildings, to produce and align components on the base platform of the structure, i.e., prefabricated walls and floor covering.
Patent DE-4116208-A1 (DE)
Title: Non-destructive testing of material at structural parts of cast iron@ - using ultrasonic speed and magnetic coercivity field strength measurement with condition that speed is determined during magnetisation of workpiece
Inventor: SCHIEBOLD KARLHEINZ DR ING
IPC: G01N27/72
Filed: 1991-05-17
Abstract: The unit for carrying out the testing of the workpiece includes magnetising coils (2) arranged at the yoke limbs of a magnet yoke (1), which are connected to a current source (3); a magnetic field probe (4) is fixed at the centre of the magnetising coils (2) and coupled to a magnetic field strength meter (5). An ultrasonic test head (6) which works in conjunction with the ultrasonic speed measuring unit (7) is arranged underneath the magnetic field probe (4) centrally at the same plane between the yoke limbs. The magnetic field strength meter (5) and the ultrasonic speed measuring unit (7) are connected with a process computer (9). ADVANTAGE - Obtains exact and objective reproducible characteristic data regarding existing respective mechanical properties of workpiece material.
Patent DE-4118652-A1 (DE)
Title: Diaphragm pump unit - has valves which open through movement of valve plate edges
Inventor: BECKER ERICH
IPC: F04B53/10
Filed: 1991-06-07
Abstract: A pump head (5) contains valves (22,40) controlled by the delivery medium and which lie against a sealing surface (25) in the closed position and move back into a recess (11) when open. At least one valve (20,40) has a separate valve plate (24,24a) mounted central to that valve's sealing surface (25,25a). When the valve opens the edges (116) of the valve plate (24,24a) move into the approp. recess (11). When viewed from the central point of the valve plate (29), the gap (a) between the recess base (28,28a) and the valve plate (24,24a) increases radially outwards. USE/ADVANTAGE - Improved volumetric efficiency and low noise level coupled with high precision metering.
Patent DE-4118951-A1 (DE)
Inventor: MAAS JOACHIM DIPL ING
IPC: B60T8/48
Filed: 1991-06-08
Abstract: The invention relates to a hydraulic brake installation with anti-lock control, with a main pressure line (9) leading from a master cylinder (5) to at least one wheel brake (3) in which is fitted an inlet valve (4) which is open in the basic position, a pressure medium return line (13) connected to an outlet valve having a pressure medium reservoir (14) and an auxiliary pressure pump (1) fitted behind it which draws the pressure medium from the pressure medium reservoir (14) and supplies it via an auxiliary pressure line (2) to the wheel brake, whereby the auxiliary pressure line (2) connected to the pressure side of the auxiliary pressure pump (1) has a permanent, direct hydraulic connection to the wheel brake (3), so that the auxiliary pressure pump (1) can be separated from the master cylinder (5) by the inlet valve (4). This provides a low-noise braking system facilitating the reaction-free positioning of the brake pedal without complex means.
Patent DE-4120872-A1 (DE)
Title: Cryo-tube esp. for refrigerated gases - comprises metal tube lined on inside with fibre glass and on outside with 2 fibre glass layers and plastic tube
Inventor: LUCHT HEINZ-OLAF
IPC: F16L11/12
Filed: 1991-06-25
Abstract: The tube comprises a corrugated metal pipe into which a glass gauze tube is drawn. The metal pipe is covered on the outside with a glass gauze tube and an external plastic tube. The metal pipe is pref. covered with 2 layers of glass gauze between which a felt layer is placed. The metal pipe is pref. made of stainless steel and the plastic tube is pref. a polyester elastomer. USE/ADVANTAGE - Esp. useful for refrigerated gases. The tube is thermally insulated, has high flexibility when cold, is resistant to mechanical forces esp. tensile forces, have low flow resistance, has low wt. The tube is simple to mount and inexpensive.
Patent DE-4125697-A1 (DE)
Title: Motor vehicle with contactless tyre air pressure monitoring device - has wheel mounted pressure sensor, and circuit for generating independent power source thus eliminating need for primary circuit frequency to be tuned to secondary circuit
Inventor: BURGHOFF JUERGEN
IPC: B60C23/04
Filed: 1991-08-02
Abstract: The motor vehicle has a wheel mounted pressure sensor (4) connected to a circuit (5) inside the wheel with two magnetic coils (6, 7). The sensor circuit parameters vary with pressure to produce a signal which is evaluated by a fixed evaluation circuit (13.4) which produces a warning signal. One of the coils is a receiver coil (6). The other is a transmitter coil (7) interacting with a fixed coil and magnet (11) mutually offset by the same angle as the rotating coils. The fixed magnet has a fixed magnetic field and the fixed coil is in the evaluation circuit. ADVANTAGE - Simple construction.
Patent DE-4126230-A1 (DE)
Inventor: CZECH ZBIGNIEW DR
IPC: C09J133/08
Filed: 1991-08-08
Abstract: A sterilizable, pressure-sensitive adhesive strip having a water-soluble pressure-sensitive, adhesive material and a water-dispersable carrier is characterized in that the pressure-sensitive adhesive material contains the following components: (1) 40 to 65 % by weight of a carboxyl group-containing, acrylate-based polymer; (b) 30 to 55 % by weight of a water-soluble amine; (c) 3 to 11 % by weight of a softening resin; (d) 0.5 to 3 % by weight of a carboxyl group-containing, non acrylate-based polymer; (e) 0.05 to 1.5 % by weight of a cross-linking agent. This pressure-sensitive adhesive strip may be used for temporarily fastening textile flat structures to the human skin or for closing diapers.
Patent DE-4128186-A1 (DE)
Title: Gas detector with at least one sensor - has housing divided into chambers isolating electronics from sensors by dividing wall with rubber seals
Inventor: NOLTING PETER DIPL ING
IPC: G01N33/00
Filed: 1991-08-24
Abstract: The gas detector has analogue and/or digital electrical evaluation and control electronics for the sensor's heater and/or sensor resistances. The housing is divided into at least two separate chambers, one contg. the sensors. Another chamber contains the electronics. The measurement gas is passed through the sensor chamber. The separating wall (12) dividing the housing into chambers rests on the carrier plate (38) or electrical lead-throughs of the evaluation circuit via rubber seals (37). ADVANTAGE - Evaluation and control electronics are mounted separately from but close to sensors.
Patent DE-4128699-A1 (DE)
Title: Process and equipment for solvent degreasing and cleaning - by solvent evapn. and condensn. on goods due to temp. differential, with continuous multistage treatment at increasing solvent pressure and temp.
Inventor: WARTHMANN PETER
IPC: C23G5/04
Filed: 1991-08-29
Abstract: Process for degreasing and cleaning of goods with solvents, whereby the solvents are evapd., the solvent vapours are passed over the goods and are condensed there due to the temp. difference between vapour and goods. Before temp. equalisation between solvent vapour and goods, the pressure and temp. of liq. solvent are raised to the b.pt. at the higher solvent pressure and the higher temp. solvent vapour produced is condensed on the goods due to the restored temp. differential. This process is repeated as often as required to obtain satisfactory cleaning. The pressure and temp. of liq. solvent is raised continuously. Alternatively, the liq. solvent pressure and corresp. boiling temp. is sub-atmospheric and increased in stages or continuously. Treatment is terminated automatically when the max. permissible goods temp. is reached. Residual condensed solvent is evapd. after termination of the cleaning process. Solvent is cleaned by continuous distn. USE/ADVANTAGE - An improved solvent degreasing and cleaning process and equipment, allowing continuous multi-stage treatment without interruption.
Patent DE-4135195-A1 (DE)
Title: Material distributor for blade coater - has shaped ribs in supply channel to even out distribution across width
Inventor: BEISSWANGER RUDOLF
IPC: D21H23/34
Filed: 1991-10-25
Abstract: Blade coater obtains coating material from chamber (26) and distributes it through inlet (18) to the coating zone (23). Within the inlet (18) is stirring rib (6), or series of ribs, parallel to the doctor blade (5) with grooves, projections or holes which reduce the cross-section of the inlet by at least 30%. The shape of the ribs can vary along their length to give variable flow resistance. They can project to 30-45% of the inlet size (18), have a width of 0.85 to 1.45 times the groove width and be spaced apart 25-40% of the inlet size (18). Pref. the material (W) to be coated moves in the direction of the arrow (50) past blade (5) which is mounted on carrier (12) with flexible compression tubes (14). The coating material flows through holes (27) past serrated stirring ribs (6) which are designed to create some turbulence and even out the distribution into the coating zone (23) across the width. Excess material can return through an overflow (20) into a drain channel (29). Material removed by the blade (5) returns through a passage (8) to the drain channel (29). USE/ADVANTAGE - Improves the uniformity with which coating materials are applied to paper or cardboard.