baber/WOPTO huggingface dataset:
Patent DE-3915204-A1 (DE)
Title: Loudspeaker housing - has auxiliary individual loudspeakers pivoted about axis adjacent edge of front panel
Inventor: HAAS RAINER J
IPC: H04R1/32
Filed: 1989-05-10
Abstract: The loudspeaker housing is rectangular with a front panel (24) with a bass loudspeaker (28)¦ The front panel (24) and the perpendicular side panels have an opening (34) containing an individual loudspeaker (22) which is supported to pivot about an axis (48) parallel to and immediately adjacent the front edge of the loudspeaker housing between a stored position in which it lies flush with the loudspeaker housing outer surface and a working position in which it projects perpendicularly. Pref. each individual loudspeaker (22) can also pivot about a second perpendicular axis, to angle it in a required direction. USE - For portable loudspeaker used with audio appts.
Patent DE-3915638-A1 (DE)
Inventor: KAULE WITTICH DIPL PHYS DR
IPC: G07D7/12
Filed: 1989-05-12
Abstract: PCT No. PCT/EP90/00765 Sec. 371 Date Mar. 7, 1991 Sec. 102(e) Date Mar. 7, 1991 PCT Filed May 11, 1990 PCT Pub. No. WO90/13878 PCT Pub. Date Nov. 15, 1990.In a security document having an embedded security element in the form of a transparent thread with electrically conductive material in at least two layers, at least one layer is transparent or partly transparent at least in certain areas. The partly transparent layer interacts with marks located on the thread in such a way that the marks are largely concealed in incident light but are recognizable visually in transmitted light.
Patent DE-3917627-A1 (DE)
Title: Arrangement for drying a product web in a treatment chamber
Inventor: KOERGSEN ROBERT DR
IPC: F26B13/10
Filed: 1989-05-31
Abstract: The invention relates to an arrangement for drying a product web impregnated with a hardenable plastic, passing through a treatment chamber, by means of thermal radiators which are arranged in the treatment chamber. In so doing it is known to arrange the thermal radiators over the whole web, which leads to an undesired overdrying on the edges. A more uniform drying over the whole surface of the product web is achieved in that the thermal radiators (2, 2') are partially covered with shading elements (4, 4') which absorb radiation or do not emit thermal radiation, in such a way that radiation-free segments are produced on the product web (3) and/or in the region adjacent to the edge of the web. <IMAGE>
Patent DE-3926352-A1 (DE)
Title: Current supply circuit for electric consumer appliance - has bipolar transistor emitter-collector path in current feed track and PTC conductor in resistance branch
Inventor: TAUBMANN PETER DIPL ING
IPC: G05F1/573
Filed: 1989-08-09
Abstract: From a current source (1) the consumer appliance (8) is supplied with a feed current via a current limiting protection.  In the current path (a), coupling the consumer appliance to the current source, is incorporated an emitter-collector path of a bipolar transistor (3), coupled to a PTC conductor (7) in a thermal manner. The transistor base is linked to a switching potential via a resistance current branch (c).  The PTC conductor is incorporated in the resistance current branch.  Pref. the PTC conductor contg. current branch is linked to a second feed current path (b).  The resistance current branch typically contains a series connection of a resistor (5) and the PTC conductor. ADVANTAGE - Facility for current supply to consumer appliances in case of defect.
Patent DE-3927777-A1 (DE)
Inventor: WALZ PETER DR
IPC: C08K9/04
Filed: 1989-08-23
Abstract: The present invention relates to a polyvinyl chloride- based unplasticized molding composition which includes vinyl chloride homo-, co- and/or ter-polymer and/or mixtures or alloys thereof having a vinyl chloride or PVC content of more than 70% by weight, preferably more than 85% by weight, and 15 to 0% by weight of at least one impact-modifying polymer, which unplasticized molding composition includes, per 100 parts by weight of the PVC mixture if appropriate, pigments, colorants, lubricants, blowing agents, flame retardants, fillers, reinforcing fibers or other processing auxiliaries and the following additives: (a) 0.01 to 3 parts by weight of at least one calcium carboxylate, (b) 0.01 to 3 parts by weight of at least one zinc carboxylate, (c) 0.01 to 3 parts by weight of at least one organic co-stabilizer selected from at least one  beta -diketone, at least one organic phosphite and/or at least one dihydropyridine, and (d) 0.01 to 5 parts by weight of at least one surface-modified alkaline earth metal oxide, at least one alkaline earth metal hydroxide and/or at least one partly hydrated alkaline earth metal oxide. The invention furthermore relates to the use of the molding composition and the process for its preparation.
Patent DE-3928741-A1 (DE)
Inventor: WAGNER HELMUT DIPL PHYS
IPC: E04B1/76
Filed: 1989-08-30
Abstract: A pitched roof is insulated by insulating panels (10) made from mineral fibres, which are jammed in between the rafters (12), the inwardly-facing faces of which panels are provided with a vapour-impermeable covering and the faces facing the roofing (19) with a plywood structure (20) which, on the drain-away side, extends beyond the edge of the insulating body of the panels (10) by means of a border (21) forming a water-shedding surface. The insulating panels (10) are preferably obtained by transversely cutting widths (1) supplied in roll form. <IMAGE>
Patent DE-3929262-A1 (DE)
Title: Wave shed loom - has guide path for shuttle between projecting heald sections
Inventor: HABERHAUER KARL DIPL ING
IPC: D03D47/26
Filed: 1989-09-02
Abstract: To form a fixed guide path and a positive movement of the weft carrier, through a wave shed loom, the guide path for the shuttle on an open shed is formed by an angled heald section projecting with the heald eye. As the shed is closed, the healed section bears on both sides against an angled wall of the shuttle to give the positive movement. Pref. the healds are made from a flat material, and the head and foot section ride in a guide bed. The heald eyes are at the free ends of heald shaft sections projecting at an angle from the heald shaft. A part section extending from the guide bed, at the foot section is moved into a high or low shed position by a cam guide, with a mirror image shaft section layout. The foot section of the heald shaft is extended by a control length. The length of the heald section with the eye gives a guide path over up to half of the shuttle. ADVANTAGE - The shuttle is given a direct and positive movement while the wave shed action is formed without allowing it to be overfed.
Patent DE-3929263-A1 (DE)
Inventor: FERNSCHILD GUENTER
IPC: B01J38/00
Filed: 1989-09-02
Abstract: A process for upgrading antimony halide catalysts containing inactivating high-boiling organic impurities is described, wherein anhydrous antimony trichloride can be isolated in a technically simple manner. The antimony pentachloride obtainable from this by chlorination can be re-used as catalyst in the fluorination process.
Patent DE-3930226-A1 (DE)
Title: Internal bleed in multichamber heavy liq separator
Inventor: HAMMERSCHMITT NIKOLAUS
IPC: E03F5/16
Filed: 1989-09-11
Abstract: Into a pref. rectangular section tank, a mixt. of heavy and light liqs. (esp. water and petrol/oil) is fed to a first coarse sludge sepn. chamber (5) sepd. by an overflow partition (10) from a fine sludge collector chamber (4), in turn sepd.  from a main sepn. chamber (3). Sinking water leaves the separator via the gaps between pairs of downwardly sloping plates (11) near the separator floor, and thence to a water outlet (6) near the tank end. Oil from the surface zone descends a vertical pipe (12) before rising to an outlet 813) and a storage chamber (19). To allow for differences in water level during rest periods which could prejudice internal media transfer on restarting, a small aperture (17) between the base of the water outlet (6) and the upper edge of the vertical oil pipe (12) is provided to permit removal of all the oil collected in a equalisation chamber (18).
Patent DE-3930974-A1 (DE)
Title: Dosing device for dishwashers or washing machines - has filling opening of storage chamber covered by wire with small mesh width
Inventor: HUETTEMANN WILFRIED
IPC: A47L15/44
Filed: 1989-09-16
Abstract: Dosing device for dishwater or washing machines incorporates at least one manually fliable storage chamber to accommodate a cleaning agent in powder form. The filling opening of the storage chamber may be closable by a lid and is covered by a wire the mesh width is smaller than the dia. of a small childs little finger. ADVANTAGE - Small children are prevented from having access to the cleaning agent in the container.
Patent DE-3931011-A1 (DE)
Title: Well shaft filter cleaning for below ground filters - has tubes sunk parallel to shaft connected in pump circuit for forced cleaning with provision for adding materials to flow
Inventor: BUERMANN WERNER DR ING
IPC: E21B37/08
Filed: 1989-09-16
Abstract: A cleaner for well shaft filters has, close to the well shaft (10) and sleeve (13) and parallel to it, several equally spaced pipes (20). (21). A pump (27) fitted to the pipes above ground level has a suction tube (28) within the well to below the ground water line (12). Below ground a filter are fitted around open parts of the circumference of the shaft. ADVANTAGE - Min. modification and cost.
Patent DE-3932647-A1 (DE)
Title: Simulating skidding of wheels on test beds - controlling association of reduced half shaft torques with transferred torque at wheels
Inventor: FISCHER RUDOLF DIPL ING
IPC: G01M17/02
Filed: 1989-09-29
Abstract: A method of simulating skidding of wheels on a driven axle on a test bed with special electrical wheel loading machines involves associating the difference between the total moment and the predefined moment of one wheel loading machine (9) as the additional acceleration moment of the other wheel loading machine (10), starting from the total specified moment without skidding. The wheel masses are simulated electrically by the electrical wheel loading machines. USE/ADVANTAGE - Enables controlled association of required torques on both half shafts of driven axle with transferred traction torque on wheels.
Patent DE-3933997-A1 (DE)
Title: Sleeve assembly preventing spreading of fire in ducts - has combustible double skin filled with swellable granules combined with thermal fuse-controlled spring loaded damper
Inventor: HOFER JOSEF
IPC: A62C2/12
Filed: 1989-10-11
Abstract: The assembly preventing the spreading of fire in airducts is inserted between the ends (1,2) of the duct. A sleeve has an external solid material skin (3) and internal fusible material skin (9). The gap is filled with granules (4) which swell to the multiple of their initial volume when exposed to heat. Inside the sleeve a collar (11) provides seating (13) for a damper (12) loaded by spring (15) in closing direction and held in open position by thermal fuse (14). Following a fire situation the damper is first to close and by  continuing high temperature the granules expand into the duct passage and close it completely. ADVANTAGE - The design is universally usable and offers a reliable closure of the duct passage.
Patent DE-3936701-A1 (DE)
Inventor: BRADLEY LAURENCE DANIEL
IPC: G01S3/783
Filed: 1989-11-03
Abstract: A direction-of-arrival optical sensor comprises a cube 4 having its four upstanding surfaces 6 mirrored as reflectors. The cube rests on a semiconductive substrate 2 having four square photodetectors 8 extending from the base edge of each mirrored surface 6. The ratio of the amount of light falling on each of the two opposed pairs of photodetectors from a light source (the ratio of the photocurrents) is measured. This measurement can be used to compute the direction of the light source with respect to the sensor. <IMAGE>
Patent DE-3941663-A1 (DE)
Inventor: RHEINBERGER VOLKER DR
IPC: A61C19/10
Filed: 1989-12-16
Abstract: Method for manufacturing dental prostheses, which are matched exactly in shape and in colour, in particular crowns, and a positive model which can be used for this purpose.
Patent DE-4002740-A1 (DE)
Title: Supermarket trolley with corner protectors - has slots in protectors to take advertising panel
Inventor: WANZL RUDOLF
IPC: B62B5/00
Filed: 1990-01-31
Abstract: The front of the supermarket trolley has the basket fitted with four corner protectors (9).  These protect the basket when the trolley is stacked.  The plastic protectors have slots at the rear to form guides into which an advertising panel is slid.  No other fastenings are required. The bottom protectors have slots which have bottom lips to prevent the panel from slipping through.  The top protectors have straight through slots.  Wedges can be used to secure the panel. ADVANTAGE - Simple mounting for advertising panel, reusable.
Patent DE-4009319-A1 (DE)
Title: Machine for searching and cutting thread ends on spinning cops - has control sensor behind shears set at suction intake opening
Inventor: WIRTZ ULRICH DR ING
IPC: B65H67/08
Filed: 1990-03-23
Abstract: The machine fo rsearching and cutting thread ends has a turning head for the cops and connection with an underpressure source. Behind the suction intake opening (10) there are some shears (35, 36) and behind this a sensor (9) for controlling the seizing of the thread end. A control (29) opends the shears after the cops (2) and suction opening (10) are positioned next to each other and closes them after a thread grip signal of the sensor. The shears (35, 36) have a slide (37) which in the closed state close the connection between the suction intake opening and underpressure source (8). A suction beginning at the suction intake opening is angled behind the sensor. ADVNATAGE - The cutting tools are only operated when the thread end is seized ensuring a longer service life.
Patent DE-4014883-A1 (DE)
Title: Voltage parabola focussing waveform generating circuit - uses existing CRT sawtooth deflection waveforms as circuit inputs
Inventor: HOFMANN GERHARD DIPL ING
IPC: H03K4/04
Filed: 1990-05-09
Abstract: The CRT vertical and horizontal scan waveforms are applied to the inputs (10.11) of two similarly constructed circuit paths (8.9). Positive excursions of the sawtooth scan waveforms are directed through a positive detection circuit (12.13) and a function network (16.17), whilst the engative excursions pass through a negative detection circuit (14.15), a function network (18.19) and an inverter (20.21). The four inputs are summed in an adding circuit (22) which feeds the resulting voltage parabola to an output stage (23) for application to a CRT focussing grid or coil assembly. USE/ADVANTAGE - Dynamic focussing of CRT electron beams - suitable for all standards of scanning systems - produces consistant pictrue sharpness as voltage parabola focussing waveform is directly dependent on scanning frequency and amplitude - simple, and inexpensive diode/resistor circuitry.
Patent DE-4015669-A1 (DE)
Title: Removing floor covering stuck to backing plates - involves sliding carriage for plates under adjustable scraper knife
Inventor: WOLFF DIETER
IPC: B26D3/28
Filed: 1990-05-16
Abstract: The device is for removing floor covering which is stuck to loose interchangeable backing plates. It consists of a sliding carriage (15) on which the plates are laid, operating underneath a scraper knife blade (27). - Across the end of the machine are stops (20,24) to block the movement of the plates (17) on the carriage (15). The knife blade (27) is adjustable for height and is fixed to a holder (28) which bridges over the carriage (15) and is supported on either side by threaded spindles (30).
Patent DE-4015929-A1 (DE)
Title: Gas insulated HV installation isolator - has at least one field control element of electrically conductive plastic coupled by moulding onto insulator body
Inventor: DEMARMELS ANTON DR
IPC: H02G5/06
Filed: 1990-05-17
Abstract: A resin moulded insulator body (11) carries at least one electrode (21) for high voltages. On the metal housing (3) is attached a holder (7). There is at least one field control element (28) of electrically conductive plastic coupled by moulding onto the insulator (11). The regions of the region of the insulator in which mechanical stresses can appear due to thermal and/or mechanic loading, and which lie in the region of criticl mechanical loading of the body, include at least one field control element (26) of electrically conductive plastic. This adjoins the isolator body (11) with a convex outer surface (19,20). @(8pp Dwg.No.1/3)@.
Patent DE-4018896-A1 (DE)
Title: Rubber pneumatic tyre - with modulus of carcass rubber lower than modulus of sidewall and inner core rubber to prevent tyre detachment
Inventor: SPITZ WOLFGANG DIPL ING
IPC: B60C13/00
Filed: 1990-06-13
Abstract: In the pneumatic vehicle tyre, of rubber -type plastics, the modulus of the carcass rubber is significantly less, at least in the sidewall section of the tyre, than the modulus of the side wall rubber and the modulus of the rubber of the inner core. The stretch-to-break value of the carcass rubber is at least as high as that of the sidewall rubber (13) and the inner core (10). The value of the carcass rubber modulus is about 50% of the sidewall rubber, with a carcass rubber module of equal to or less than 3 N/mm2 (at 300% stretch) against a modulus of 4-6N/mm2 for the sidewall rubber (13) and the inner core (10). The stretch-to-break of the carcass rubber is greater than 700% compared with 600%+/-50% for the rubber of the sidewall and the inner core. ADVANTAGE - The structure prevents the tyre cords from becoming detached.
Patent DE-4020178-A1 (DE)
Title: Connector with housing and sliding lock - has head, larger dia. disc and bar passing through lock element and supported in housing aperture
Inventor: ROECKL GUENTHER A
IPC: F16B12/32
Filed: 1990-06-25
Abstract: The connector, for releasably fixing panels to frames, is mounted in the panel and has an operating element (3) actuating a locking element (2) to engage a frame groove. The operating element has a head (25) with tool recess adjoining a slightly larger dia. concentric disc (27). A bar (28) extends from the disc, passing through a locking element aperture (29) and supported in a housing base aperture (6). The spring-loaded operating element head is pressed into the housing for assembly of the latter into a panel. USE/ADVANTAGE - The locking and operating elements cannot come apart, and panels remain fixed to frames.
Patent DE-4026434-A1 (DE)
Inventor: JOSEFSSON PAER
IPC: D03D47/36
Filed: 1990-08-21
Abstract: In a process for controlling a weft thread feed and measurement device for an air jet loom, a release signal is generated for a weft thread insertion, whereupon a stop element is moved into a release position and releases the weft thread at an actual release time. The actual release time is recorded at the moment of insertion and compared with a reference release time which depends on the textile machine. A parameter for the release signal which influences the actual release time is then adjusted in function of the difference detected between the actual release time and the reference release time in such a manner that on the next insertion the actual release time is approximately equal to the reference release time. A suitable device for carrying out the process has a passage sensor or a detection device (I) for determining the actual release time and a comparison and equalization circuit for comparing and adjusting a parameter for the release signal which influences the actual release time.
Patent DE-4029068-A1 (DE)
Inventor: DAPPERHELD STEFFEN DR
IPC: C25B3/28
Filed: 1990-09-13
Abstract: A process is disclosed for producing by electrolytic reduction compounds having formula (I), in which R<1> is a fluorine atom, a methyl or a deuteromethyl group; R<2> and R<3> are the same or different and represent a fluorine, chlorine, hydrogen or deuterium atom; R<4> is a group (a), in which R<5> is -OH, -OD, C1-C4-alkoxy or -OMe, whereas Me represents an alkaline, alkaline earth or NH4 ion. For this purpose, a compound having formula (II) or a compound having formula (III), in which R<1>, R<2>, R<3> and R<4> have the above-mentioned meaning, whereas R<6> is a chlorine atom, are subjected to an electrolytic process in a one-piece or subdivided cell filled with an electrolytic liquid, in the presence of an iron salt concentration of 1 to 500 ppm in the electrolyte.
Patent DE-4031031-A1 (DE)
Inventor: RIEDIGER JOHANNES
IPC: E06B9/92
Filed: 1990-10-01
Abstract: The invention relates to an insulation glass construction with a spacer (1) and two panes (2, 3) cemented to the spacer, and also an anti-sun foil (4) which is arranged between the panes and can be moved up and down. In order to guarantee the suitability of the insulation glass construction especially for oblique and also horizontal positioning, the insulation glass construction comprises, in addition to a drive device acting in an upward direction on the anti-sun foil (4), also a counteracting device (6, 6') acting in the downward direction on the anti-sun foil. <IMAGE>
Patent DE-4032516-A1 (DE)
Title: Separating magnetic and non-magnetic sand mixts. -  using fluidised bed with magnetic sorting drum
Inventor: BECKER NORBERT
IPC: B22C5/06
Filed: 1990-10-12
Abstract: Separating a mould sand mixt. of quartz and chromium or sand consists of fluidising the mixt. in a container (2) and causing the fluidised material to flow down onto a magnetic drum (10) from where the non-magnetic quartz is collected in a container (15) while the magnetic chromium or sand is held on the roll cover until it is removed by a suction and/or scraping unit (17) and collected in container (20). USE/ADVANTAGE - Enables recycling of the expensive chromium or sand which is used in sand moulds where high thermal conductivity is required.
Patent DE-4036630-A1 (DE)
Title: Aq. alkali stripping soln. - for photoresists contains specified amt. ranges of aq. alkali hydroxide and nonionic surfactant
Inventor: GHICA GRIGORE VLAD DIPL ING
IPC: G03F7/42
Filed: 1990-11-16
Abstract: A stripping soln. for aq. alkali workable (negative) photoresist structures contains per 100 pts. vol., 70-90 pts. vol. of a 2.5-10% aq. alkalihydroxide soln. as the extracting component and 10-30 pts. vol. of one or more nonionic surfactant. The non-ionic surfactant is pref. a polyalkylene-glycol-ester, more pref. a polyethyleneglycolsorbitane ester. The soln. pref. contains, per 100 pts. voln. 70-90 pts. vol. aq. KOH soln. (2.5-10%) and 30-10 pts. vol. polyethyleneglycol sorbitane-monolaurate. The soln. pref. contains altogether 5-10 wt.% alkali hydroxide. USE/ADVANTAGE - Useful for removal of photoresist structures from nozzle apertures in prodn. of finely structured metal foils, esp. negative photoresist structures (claimed). The soln. is useful for complete and residue-free coating removal of thick photoresist structures with small dimensions from galvanoplastically mfd. precision structures. (Dwg.2/3)
Patent DE-4037240-A1 (DE)
Title: Gas pressure bearing for appts. machine or testing medium - has stator with compressed air channel and bearing surface of laminated spherical zone and of optically transparent material
Inventor: HEMPEL GUENTER
IPC: F16C32/06
Filed: 1990-11-23
Abstract: Pref. dome-shaped micro-nozzles are formed in the bearing surface of the stator. These nozzles are coupled to the pressurised medium via the compressed air channel (4). The micro-nozzle are formed from the spherical layers (6) creating the bearing surfaces from balls of equal size and orientated to form separate layers. The balls are of optically transparent material. Smaller balls touch these balls at points by being arranged in the intermediate spaces between the layers. The series of layers is form, force and material locking with the mounting surface of the stator (2). ADVANTAGE - Defined, discrete micro-nozzle arrangement ensuring symmetrical bearing regime. Can be optically evaluated. Improved multivalence of application through reduction of material and mfg. costs.