baber/WOPTO huggingface dataset:
Patent DE-4038066-A1 (DE)
Title: Vehicular heating and ventilation system counteracting draught effect - includes electric motor driven flap and control of relative duration of ventilation towards face and feet
Inventor: KUGOTH GEORG A
IPC: B60H1/00
Filed: 1990-11-29
Abstract: An automatic controller with a time switch (C) adjusts the supply of air from the fan to the windscreen and footwell alternately in response to movement of a knob (A) on a scale (B) representing the relative durations of both phases. The distribution of air is varied by operation of a flap (D) by an electric motor within the engine compartment under the control of the time switch (C). Either windscreen or footwell ventilation can be inhibited entirely. ADVANTAGE - Adverse effects of draught on  passengers' health and well-being esp. with forced ventilation are neutralised.
Patent DE-4104091-A1 (DE)
Title: Apertures in plastic sheathed metal canulel)-butyro-phenone - display blood movement during withdrawal from blood vessel
Inventor: RIEGER CHRISTOPH DR MED
IPC: A61B19/00
Filed: 1991-02-11
Abstract: A metal canule(1) with a pointed end intended for entry into a patients blood vessel to extract blood, is enclosed in a transparent plastic sheath(2), which may subsequently be left to transport the blood after the canule is withdrawn. In the central portion of its visible side the canule has at least one aperture whereby the advance of blood along the inserted canule can be visibly detected. The aperture may be a single elongated slot(3), a series of slots forming a broken elongated slot, a series of transverse slots, or a series of circular holes. ADVANTAGE - Correct positioning of the inserted canule is immediately indicated.
Patent DE-4105882-A1 (DE)
Title: Leather belt has facing - which is formed around edges of backing
Inventor: ZIERER HERMANN
IPC: A41F9/00
Filed: 1991-02-25
Abstract: Leather belt has facing which formed around edges of backing. In leather belt which has buckle fastening, leather facing extends across width of leather backing and over the cut edges of backing. Facing is glued or sewn onto backing. ADVANTAGE - Belt has a better appearance, there are no exposed cut edges which would show signs of wear.
Patent DE-4107244-A1 (DE)
Inventor: HONIG HELMUT DIPL CHEM DR RER
IPC: C01B15/013
Filed: 1991-03-07
Abstract: A process is described for the purification of hydrogen peroxide for use in microelectronics. For this purpose, after adding small quantities of chelating agents, hydrogen peroxide starting solutions prepurified by distillation are brought into contact with non-ion-exchanging polymeric adsorbents based on styrene divinylbenzene copolymers. This produces high-purity hydrogen peroxide solutions which meet the high purity requirements for use in the production of 4- and 16-megabit chips.
Patent DE-4109550-A1 (DE)
Title: Cold rolled iron-nickel alloy sheet - used esp. to mfr. shadow masks for high definition television tubes
Inventor: WATANABE ATSUSHI
IPC: C22F1/10
Filed: 1991-03-22
Abstract: A novel cold rolled Fe-Ni alloy sheet of excellent cleanliness and hole etchability has the compsn. (by wt.) 30-45% Ni, 0.1-1.0% Mn, 0.003-0.030% Al, balance Fe and  impurities, in which (a) the impurities comprise (by wt.) up to 0.4% Si, upto 0.1% Cr, up to 0.005% C, up to 0.005% N, up to 0.005% S, up to 0.010% P, up to 0.002% O and up to 0.002% (expressed as O) non-metallic inclusions; and (b) the non-metallic inclusions have a CaO, Al2O3 and/or MgO compsn. of particle size up to 6 microns in a melting pt. region of at least 1600 deg. C as determined by the liquidus curve at 1600 deg. C in the ternary CaO-Al2O3-MgO phase diagram. Prodn. of the cold rolled sheet involves (i) dephosphrising and decarburising a molten Fe 30-45% Ni alloy; (ii) adding Al to the molten alloy in a ladle lined with a MgO/20-40 CaO refractory and deoxidising in the presence of a slag comprising at least 57 wt.% CaO+ Al2O3 (the CaO/(CaO+ Al2O3) ratio being at least 0.45), up to 25 wt.% MgO, up to 15 wt.% SiO2 and up to 3 (pref. up to 1.5) wt.% total oxides of metals with oxygen affinities less than that of Si; (iii) casting the melt to ingots; and (iv) cogging, hot rolling and cold rolling to produce sheet contg. up to 0.002 wt.% total (expressed as oxygen) of non-metallic inclusions of up to 6 microns particle size. USE/ADVANTAGE - The sheet is esp. useful for mfr. of shadow masks for high definition television tubes. It produces no defects on etching of perforations and has a low thermal expansion coefficient.
Patent DE-4111589-A1 (DE)
Title: Head and neck support for sauna bench - is formed by round bars arranged in S=shaped curve
Inventor: RINTA-MOEYKKY REIJO
IPC: A47G9/10
Filed: 1991-04-10
Abstract: A bench used in a sauna is provided with a support for the head and neck. The support consists of two side members (2) with round bars (4) extending from one side member to the other. The bars (4) are mounted so that they are free to rotate about their axes. The centres of the holes in the side members, which receive the bars, lie on S shaped curves. This method of arranging the bars provides a support which matches the contour of the head and neck and ensures a high degree of comfort. USE/ADVANTAGE - Head and neck support for sauna bench which provides a high degree of comfort.
Patent DE-4112727-A1 (DE)
Title: Bearing housing with socket for electric motor - has spring clip holding socket contacts to ensure good conduction
Inventor: BANDELJ BOJAN DIPL ING
IPC: H02K5/14
Filed: 1991-04-18
Abstract: The socket part comprises a contact plate (1) with a contact part (4), a lug (5), a bulge (8), stops (6, 7, 9) and a bearing (2). This includes a guide (10) which is bounded by side faces (10a) and lay-on faces (10b, 12, 13). The contact plate is so set into the bearing that the two stops (7) snap behind the two lay-on-faces (12), and the two other stops (9) snap behind the two other lay-on faces (13). On a support part (15) there may be formed a nose (14) which fits in the plate opening (19) when mounted. ADVANTAGE - Automatically assemblable.
Patent DE-4116392-A1 (DE)
Title: Holding device for wet etching one side of semiconductor wafer - having circular support body with central window pressure contact wafer and bayonet locking disc
Inventor: SCHMIDT HANS
IPC: H01L21/00
Filed: 1991-05-18
Abstract: Holding device for wet etching one side of a semiconductor plate consists of a circular support body (1) having a central window opening (8) with a recess (91) cut into the back of the window and having a circular groove (72) for locating an O-ring (72). The support body has side walls (4) containing locking grooves (5) and slits (17, 171) which allow the positioning the pressure control plate (2) and bayonet disc (3). The contact plate (2) is pref. circular with a nose (16) and shaft (10) which slide through slits (17, 171) of support body (1). Shaft (10) carries pressure conduit (11) for feeding pressure means to grooves (60,61) housing O-rings (70,71) and depressurising channel 912) for depressurising the areas between grooves (60,61) and central area inside ring groove (61). Another conduit (22) can feed electricity to a contact star (14) in the case of electrochemical etching. The bayonet disc (3) is pushed onto the plate (2) and rotated using grip holes (19) so that lugs (31) are locked in grooves (51). USE/ADVANTAGE - Cleaning, structuring or removing lacquer from one side of conductor plate. Is simple, cheap and reliable.
Patent DE-4117005-A1 (DE)
Title: Application of light beam in discharge chamber - using external light source and transmission window to start electrical discharge or effect process
Inventor: WELLERDIECK KLAUS DR
IPC: H05H1/10
Filed: 1991-05-24
Abstract: The transmission window (18) and internal reflector (20) are positioned outwith the effective treatment zone P and are substantially protected against deposits. The light source for starting an electrical discharge between the electrodes in a vacuum chamber is a UV-flash lamp emitting predominantly in the 200 to 350 nm range. A constant light source is used for optically assisted treatment processes, with or without vacuum, or to intensify the localised electron density in applied magnetic fields. USE/ADVANTAGE - Suitable for starting electrical discharges in high vacuum conditions. Avoids frequent replacement of transmission window and light source components.
Patent DE-4118013-A1 (DE)
Inventor: NEUMUELLER KONRAD
IPC: A47C9/02
Filed: 1991-06-01
Abstract: A seat for a standing support or a chair having the following characteristics: the seat support has an upper face; a hole is provided approximately in the centre of the upper face; at least two inwardly curved grooves are provided in the upper face at a regular distance around the hole; the grooves have a deepening in their centre and from there rise uniformly on both sides; the seat body carries a seat panel at its lower side; a threaded rod extends downwards from the seat panel through the hole in the upper face of the seat support; similarly curved grooves with deepenings and rising flanks, corresponding to the grooves of the upper face of the seat support, are provided in the bottom of the seat panel; balls are arranged captively between the grooves of the upper face of the seat support and the grooves of the seat panel; the threaded rod below the upper face of the seat support extends downwards through at least one disc, a thrust ball bearing, a further disc, a resilient element, a further disc, and is fixed there by a nut. <IMAGE>
Patent DE-4122661-A1 (DE)
Title: Prod. for treatment of Pneumocystis carinii pneumonia - consists of phospholipid-phospholipid charge carrier liposome system and pent:amidine
Inventor: WINGEN FRANZ DR
IPC: A61K9/127
Filed: 1991-07-09
Abstract: A pharmaceutical prod. for parenteral or pulmonal use contains (A) at least one liposome system consisting of a combination of at least one phospholipid and at least one phospholipid charge carrier; and (B) at least one active ingredient based on pentamidine, its derivs. and/or salts. The phospholipid is phosphatidyl choline, esp. in highly pure form. The phospholipid charge carrier is at least one salt esp. Na and/or ammonium salt of phosphatidyl glycerine and/or its derivs., esp. pref. a salt of dimyristoyl- and/or dipalmitoyl-phosphatidyl glycerine, or a soya phosphatidyl glycerine. The mass ratio of phospholipid to phospholipid charge carrier is 50:1-400:1 esp. 100:1-200:1. Component (B) is present in an amt. of 0.001-10 wt%. The prod. is in the form of an aerosol. USE/ADVANTAGE - The prod. has an esp. long shelf life (up to 3 years) and is highly effective as a pharmaceutical. The prod. does not become turbid, nor do the walls of the vessel acquire a coating. A sediment does not form. the prod. can be sterile filtered. pentamidine and its derivs. and salts can be used to treat various infections diseases, e.g. African sleeping sickness, Kala-azar caused by Leishmaniasis and esp. in the treatment of Pneumocystis carinii pneumonia, an illness particularly common with AIDS patients.
Patent DE-4124176-A1 (DE)
Title: Polymeric optical fibres with a core-sheath structure - have core and/or sheath polymers based on fluoro- and fluoro:alkyl-substd. poly-norbornene and poly-norbornadiene derivs.
Inventor: HEITZ WALTER PROF DR
IPC: C08G61/08
Filed: 1991-07-20
Abstract: Optical waveguides (I) with polymer core and sheath are claimed, with refractive index ratio core/sheath = nK/nK - above 1.01; in type (Ia) the core polymer (II) is polycarbonate or a polymer contg. units of styrene, substd. styrene, (meth)acrylate or fluoroacrylate, and the sheath polymer (III) contains 0.1-100 wt.% monomer units of formula (IIIA), (IIIB) and/or (IIIC); alternatively, (Ib) the sheath is a fluoropolymer and the core is polymer (III) as above; or (Ic) both core and sheath consists of a polymer (III). Also claimed is a thermoplastic polymer of formula (IV), with degree of polymerisation = 5-10,000. R1-R4 = H, D, F or 1-10C perfluoroalkyl; R5, R6 = H, D or F (in equatorial or axial position); R7, R8 - H, D, F or 1-10C perfluoroalkyl; 1 = 1-3; m = 1-4; x, y, z = 0-1; x + y + z = 1. Also claimed is a process for the prodn. of (I) by extruding the polymer core and coating it with a polymer sheath. Specifically, in type (Ib), the sheath is a fluoropolymer contg. 10-100 wt.% units of VDF, TFE, HFP, fluorovinyl ether, alkyl (esp. fluoroalkyl) methacrylate or alpha-fluoroacrylate, or fluorodioxole; pref. core and sheath are produced by simultaneous co-extrusion. USE/ADVANTAGE - The invention provides polymeric optical fibres based on new, highly transparent, readily extrudable thermoplastic polymers which can be used for long periods at 100-150 deg.C. without adversely affecting transparency, i.e. with no significant redn. in transmission length or increase in attenuation; polymers (IV) also have good mechanical properties, very good oxidn. stability, high temp. resistance and high weathering resistance.
Patent DE-4134824-A1 (DE)
Inventor: HEINDL FRIEDRICH ING
IPC: B29C31/04
Filed: 1991-10-22
Abstract: A conveying device for granular and/or powdery (pulverulent) solid materials such as plastics granules 34 or the like from a storage silo 33 or the like into a supply container 9 disposed upstream of a processing station, in particular the plastications barrel of the extruder of an injection moulding machine, in which device the storage silo 33 or the like is constantly connected to the supply container 9 via a hose line and/or pipeline 29. A compact design, which is not very susceptible to malfunction in operation, of the device is achieved in that one end 30 of the hose line and/or pipeline 29 is constantly immersed by means of a lance 32 - from above - in the solid materials 34 disposed in the storage silo 33 or the like, in that the second end 31 of the hose line and/or pipeline 29 opens out into the storage container 9, and in that this second end 31 of the hose line and/or pipeline has allocated to it a gas- or air-jet pump 24 to 28 which is connected to the supply container 9 above its supply space 12 with the interconnection of a filter 19. <IMAGE>
Patent DE-4136986-A1 (DE)
Title: Sputter coating of poly:methyl:methacrylate] substrate - using hydrocarbon additive gas to increase coating adhesion
Inventor: FRITSCHE WOLF-ECKART
IPC: C23C14/34
Filed: 1991-11-11
Abstract: In the adherent coating of polymethyl methacrylate substrates by cathodic sputtering, the sputtering gas (pref. Ar) is mixed with a hydrocarbon-contg. additive gas (pref. methane or an alcohol-contg. gas) which affects the substrate surface during sputtering to promote intimate bonding of the sputtered cathode material (pref. a silvery metal, esp. Al) to the substrate. The sputtering gas pref. contains max. 50 vol.% additive gas. The sputtering vessel housing forms the anode and is made of an electrically conductive material, pref. copper. USE/ADVANTAGE - Useful in the mfr. of optical data carriers such as compact discs or video discs. It allows adherent metallisation of acrylic glass substrates in a single step, without requiring special substrate pretreatment, by a quasi-continuous prodn. process.
Patent DE-4139203-A1 (DE)
Title: Sewing machine - utilises existing programme in computer with slight amendments by mouse to change embroidery pattern
Inventor: SEKINE KIYOKAZU
IPC: D05B19/10
Filed: 1991-11-28
Abstract: The data control on a sewing machine enables embroidery stitches to be made. The cloth progress mechanism on the sewing table enables it to be moved back-and-forward or from side-to-side. Motors drive the mechanism and are controlled from a programme through electronic devices. The preset programme can be modified using a modification routine. A computer with keyboard and screen has an additional memory, or data storage unit. The stitch programme from a previous programme is selected, and reproduced on the screen (36). The operator employs a mouse (arrow) to draw a straight line (54) along the top of the existing stitches shown on the screen. ADVANTAGE - The preset programme may be examined on the display. The programme is modified in a manner which is simple, rather than assemble a completely new programme.
Patent DE-4200977-A1 (DE)
Inventor: BRAECKELMANN GERD
IPC: B60K7/00
Filed: 1992-01-16
Abstract: With the wheels (11) of heavy-load vehicles (12) and similar vehicles, which are driven directly through hub drive motors (14) and have independent suspension using a shock-absorber strut (21), the problem of providing protected hydraulic-fluid feed lines for the hub drive motor (14) has to be solved. This has been done by designing the shock-absorder strut (21) with bores (e.g. 219, 217', 269 and 221, 217", 271 and 218, 217<IV>) for the hydraulic fluid such that the pressure originating from the motor drive fluid has no influence on the spring characteristics of the shock-absorber (21). This design is particularly suitable for application to single-stage piston/cylinder units.
Patent DE-4208960-A1 (DE)
Title: Signal processing circuit for CCD colour image converter - has input circuit which is designed as single scanning circuit with scanning hold member
Inventor: YOU YOUNG JUN
IPC: H04N9/04
Filed: 1992-03-19
Abstract: The processing circuit has an input circuit (3), followed by a Y/C divider circuit (2) for the luminance signal (Y) and the chrominance differential signal (C) with several scanning hold elements (S/H4-6). The input circuit is in the form of single scanning circuit, consisting of a scanning hold element (S/H6). The scanning hold element is used for scanning the CCD signal. The circuit also contains a differential amplifier (DA1) for the differential signal between the scanning hold element output signal and the CCD signal. The Y/C divider circuit consists of scanning hold elements (SH4,5), acting on the output signal of the differential amplifier of the scanning circuit. ADVANTAGE - Replaces known, correlated double scanning by single one.
Patent DE-4213746-A1 (DE)
Inventor: BERGMANN WERNER DR
IPC: D21H19/40
Filed: 1992-04-25
Abstract: The invention concerns a print substrate whose printability is improved by starch particles included, together with mineral pigments and binders, in the coating covering the print substrate.
Patent DE-4214217-A1 (DE)
Title: Wearing elements attachment device to liq.-solid screw press separator screws - comprises wearing elements in form of angles shaped to suit and attached to screw vanes and tapering to screw axis, for waste paper residue and cattle slurry
Inventor: EICHLER DIETRICH DR
IPC: B30B9/12
Filed: 1992-04-30
Abstract: The device comprises wearing elements (4) in the form of angles 2 - 5 mm thick and 20 - 40 mm long, shaped to suit the vanes (2) of the screw and tapering towards the screw axis (3), attached to the vanes of the separator screw. The wearing elements are pref. made of a hard metal or ceramic material, and are attached to the screw using an adhesive. A metallic reinforcing plate (10) is at the end of the screw in the pressing region (9). Used wearing elements are removed from the screw and replaced. For adjusting the distance of the wearing elements from the screw axis in the required tolerance, a special fixture is used in which the screw is held with the axis vertical and is rotated past a gauging strip. The gauging strip is adjusted perpendicular to the screw axis using micrometer dial gauges and is clamped in position. Clamps are pref. used to hold the wearing elements in place while the adhesive hardens. USE/ADVANTAGE - Used in liq./solid sepn. of abrasive suspensions e.g. communal waste, cattle slurry contg. sand, residual material from waste paper processing etc.. Press screws are easily and cheaply refurbished adjacent to the places of use.
Patent DE-4218105-A1 (DE)
Title: Public address system synchronised for undistorted sound reprodn. - employs buffer storage and delayed transmission of pulse signals from microphone to array of loudspeakers at different distances
Inventor: STROBEL FRIEDRICH
IPC: H04R27/00
Filed: 1992-06-02
Abstract: The system stores electrical transmission pulses from a microphone in buffer memory and does not read them out until after a delay corresp. to the considerable difference in speed of the sound-waves between loudspeaker stacks. A number of loudspeaker relay installations are disposed and switched in a sequence which allows for this delay in accordance with the shape and size of the auditorium. The synchronisation also minimises the prodn. of echoes. USE/ADVANTAGE - In large hall or stadium, distortion due to range overlap of loudspeakers is avoided and even soft sounds from low-power loudspeakers are audible.
Patent DE-4219645-A1 (DE)
Title: Tear detection system for determining break in paper web in continuous drier - used in rotary printing press with printing cylinders for printing forward running paper web arranged before continuous drier
Inventor: HESS GUENTER
IPC: B41F33/18
Filed: 1992-06-16
Abstract: A unit (11) for establishing a direction reversal of the paper web (1) is arranged between the printing cylinders and the continuous drier. The determining of a direction reversal of the paper web acts as an indication for the existence of a break in the paper web. The direction reversal detection unit (1) includes a first sensor (12) sensing the printed image of the forward running paper web (1). The output signal of the first sensor is fed into a shift register (13). A second sensor (14) sensing the printed image is provided behind the first sensor in the forward running direction. The output signal of the second sensor is compared with the signal output of the shift register. A deviation between these output signals delivers the indication for the direction reversal. ADVANTAGE - Break in paper web is quickly and reliably identified.
Patent DE-4220399-A1 (DE)
Title: Drive for leading edge separator for sheet delivery units - has first and second curved coupling gears with associated cam gearing to ensure accurate position of suction members during their circular movements
Inventor: BAESEL UWE
IPC: B65H3/08
Filed: 1992-06-22
Abstract: The drive of the suction members (2) which pass in pairs into the leading edge area of the stack (1) is produced by a first curved coupling gear with associated first cam gearing. The drive of the other suction members interacting with the first is produced by the second curved coupling gear with associated second cam gearing. The cam gearing engages on the coupling rod (11, 23) of the coupling gears. The suction members (2,3) have independently biased suckers. The suction members (3.1 and 3.2) are connected by a yoke (10) rigidly fixed on a coupling rod (11) connected rotatable with a rolling lever (12) and by an intermediate member (14) to a rolling lever (13). USE/ADVANTAGE - Curved path of suction members of sheet separator is maintained accurately even at high speeds.
Patent DE-4221242-A1 (DE)
Title: Heater esp. for passenger compartment of motor vehicle - recycles heat from extracted air into outflow from sorption reactor with intake preheated by exhaust gas
Inventor: KHELIFA NOUREDDINE DR
IPC: F25B17/08
Filed: 1992-06-27
Abstract: The compartment (10 is heated by air blown (19) through an exhaust-gas heat exchanger (18) and a sorption reactor (20) filled with zeolite or similar material producing heat by adsorption of moisture. A pref. cross-flow heat exchanger (27) gives up heat from the reaction chamber (21) to the air (28) drawn by a fan (29) from the outlet duct (23) after passing through two adiabatic humidifiers (13,14). Energy utilisation is improved by the connection of the air outlet channel (12) to the inlet duct (22). ADVANTAGE - Quantity of heat predetermined by amt. of zeolite can be utilised fully for space heating.