baber/WOPTO huggingface dataset:
Patent DE-4113058-A1 (DE)
Title: High-temp. oxidn.-resistant black glass fibre - obtd. by forming a cyclo:siloxane polymer by hydrosilylation, spinning the polymer soln. and pyrolysing the fibre obtd. in inert atmos.
Inventor: YU-KWAN ROGER
IPC: C03C13/00
Filed: 1991-04-22
Abstract: Coherent black glass fibre (I) is claimed, which is resistant to oxidn. at about 1350 deg.C, is mainly amorphous and has the empirical formula SiCxOy (with x = 0.5-2.0; y = 0.5-2.0). Also claimed is a process for the prodn. of (I), by (a) producing a soluble cyclosiloxane polymer by reacting a SiH gp. with a Si-olefin gp. in soln. in the presence of a hydrosilylation catalyst (II), (b) preparing a spinning soln. from soln. (a), (c) spinning this soln. to form polymeric cyclosiloxane fibre, (d) heating at 50-200 deg.C to form hardened polymer fibre and (e) pyrolysing in a non-oxidising atmos. at 700-1400 deg.C to form (I). The SiH gp. and the Si-olefin gp. can be (1) in the same cyclosiloxane monomer of formula (III); n = 3-20; R = H; R' = 2-20C alkene gp. with olefinic C attached directly to Si; or (2) in 2 or more different cyclosiloxane monomers, at least one of which has a SiH gp., and has formula (III) (with n = 3-20, R = H and R' = 1-20C alkyl), and at least one of which has a Si-olefin gp. and has formula (III) (with R = Si-bonded alkene gp. as above, R' = 1-20C alkyl). USE/ADVANTAGE - Used as high-temp. materials and in other applications such as fibre-reinforced metals, fire-resistant materials, materials for use in aircraft etc. The invention provides continuous silicon carboxide fibre (black glass fibre) which is resistant to oxidn. at high temp. (e.g. 1% wt. loss in air at 1350 deg.C; contrast prior-art fibres contg. appreciable amts. of carbon). Fibres produced on a commercial spinning appts. have high tensile strength and retain at least 70% of their initial strength after 1 hr. in air at 1000 deg.C.
Patent DE-4119071-A1 (DE)
Title: Cutting out surface defects in bar - involves tool slides mounted in four accessible stands which can be dismantled from above
Inventor: TAKANO TOYOZO
IPC: B23D35/00
Filed: 1991-06-10
Abstract: As the bar (1) is fed through a series of four axially aligned stands (2) a cutting tool (28) moves radially inwards on slide (4) to excise the previously located fault. The tool slide and bar support slide (45) of each stand is mounted on a disk (3) which is located in a circumferential groove round the bore of the stand. A stand consists of an upper removable casting and lower base casting joined by screws (18), and is separated from its neighbour by removable distance pieces (5). The tool slides of the four stands are set at right-angles to each other to cover faults appearing at any point on the bar  circumference. USE/ADVANTAGE - Working parts are eaisly accessible for adjustment repair and replacement. Stands can be dismantled using overhead lifting gear.
Patent DE-4121618-A1 (DE)
Title: Plastic bottle cap with reliable seal
Inventor: SPATZ GUENTER
IPC: B26F1/18
Filed: 1991-06-29
Abstract: A plastic bottle cap has a top with its sleeve, and a security seal guarantee with at least one vertical part extending up the height of the guarantee section. Security notches are positioned according to particular features of the cap and are cut in at a specific distance from those features round the circumference.
Patent DE-4125606-A1 (DE)
Inventor: DAMBACHER PAUL DIPL ING
IPC: H04H20/00
Filed: 1991-08-02
Abstract: In order to transmit digital HDTV signals, the HDTV signal (which is supplied at a data rate of </= 20.48 Mbit/s or is data-reduced to such a data rate of </= 20.48 Mbit/s by means of a method which uses the psycho-optical phenomena of the human eye) is divided at the transmitter end of a broadband transmission path (which operates in accordance with the DSR method) into two data flows of 10.24 Mbit/s each and is supplied to the I/Q interface of the 4PSK modulator of this DSR transmission path. These two data flows, which are transmitted to the I/Q output of the 4PSK demodulator of this DSR transmission path, are then further evaluated there.
Patent DE-4127111-A1 (DE)
Title: Prepn. of 3-pyrrolin-2-one derivs. - by reacting 3-formyl-carboxylic acid deriv. with ammonia or amine
Inventor: FISCHER ROLF DR
IPC: C07D207/38
Filed: 1991-08-16
Abstract: The prepn. of 3-pyrrolin-2-one derivs. of formula (I) comprises reacting a 2-formylcarboxylic acid deriv. of formula (III) with ammonia or an amine of formula R1NH2 (III).  R1 and R4 = each H, alkyl, cycloalkyl, aralkyl or aryl, R2 and R3 each = R1 or COOH, alkoxycarbonyl or halogen. USE/ADVANTAGE - (I) are intermediates in the synthesis of pharmaceuticals and plant protecting agents. The process is simpler and more economical than previous processes. In an example, a soln. of 47 g. ammonia (as the ethanoate) in 760 g. glacial ethanoic acid was heated to 70 deg.C and mixed within 30 min. with 44 g. 3-formyl-valerianic acid methyl ester.  The mixt. was stirred for 30 min. at 70 deg.C and for a further 2 hrs. at 115 deg.C. Work up gave 17.5 g. (51% yield) of 4-ethyl -3-pyrrolin-2-one derivs. of m.pt. 84 deg.C.
Patent DE-4128074-A1 (DE)
IPC: B02C17/10
Filed: 1991-08-23
Abstract: The invention relates to a method of operating a stirring ball mill which has a preferably cylindrical, rotating barrel provided with an inlet at one end and an outlet at the other end, in which a stirring shaft provided with stirring means rotates. This method includes operating the mill at supercritical rotatory speed with a degree of fill of at least 25%, while the balls are retained in the mill. In this manner a great throughput is achieved and a narrow grain size range, without requiring a great amount of space.
Patent DE-4129096-A1 (DE)
Title: Appts. for radar observation of earth surface - involves flying body in circulating path carrying at least one radio installation, body being unmanned
Inventor: RANSOM STEPHEN
IPC: B64G1/14
Filed: 1991-09-02
Abstract: The unmanned flying body is winged and capable of backward flight. On its underside is a heat shield protection (9) and in the are of its top side is at least one radar installation (10) forming the wing. In an observation phase, the radar is turnable towards the earth surface (12). In a further phase, the radar turns away from the earth surface and in a landing phase turns again towards the earth surface for data supply to a navigation unit. At least one of the radar installations (10) is provided with changeable frequencies for adaptation to different conditions. The wings (1,2) are rectangular with rounded corner areas and have a top surface contour which is conducive to low wing loads. USE/ADVANTAGE - For radar observation of earth surface from unmanned flying object with reduced material involvement and degree of operating safety in number of application situations.
Patent DE-4129497-A1 (DE)
Title: Four-way height adjustment for vehicle seat - uses lever linkage mechanism with stop to prevent submarining during crash
Inventor: BECKER HERBERT
IPC: B60N2/42
Filed: 1991-09-05
Abstract: The four-way seat height adjustment for a vehicle seat has front (31) and rear (32) swivel mounted adjustment levers. They are joined to movable frame sections and are connected to locking and/or drive members. The front and rear height adjusters are so coupled over at least one connecting element (8) in the form of a coupling bar that the freedom of movement each possesses independently of the other is limited by a stop displaceable by the adjustment mechanism. USE/ADVANTAGE - vehicle seat adjustment mechanism which does not allow submarining in the event of a crash.
Patent DE-4138046-A1 (DE)
Title: Narrow fabric machine - produces top and bottom band with warp pile for tubular effect
Inventor: NEUHAUS FRIEDRICH
IPC: D03D49/62
Filed: 1991-11-19
Abstract: A narrow fabric machine produces a top and bottom band with a warp pile connecting them at intervals. There is a temple guide for the top and for the bottom band. The reed is angled to permit a wider shed opening than with a straight reed. Pref. the bottom band is woven the required width, with the top band the same or narrower. Between the two, a pile is introduced only at certain intervals. This is drawn from separate reels of warp threads and is woven into both top and bottom bands. The pile thread must be released easily from the reels. The reed is angled to given an increased shed face. The temple guides support the top and bottom fabric at the correct height, and keep the pile constantly at the same height. ADVANTAGE - The pile height can be arranged as required and will remain constant.
Patent DE-4138710-A1 (DE)
Title: Ice cream portion dispenser - has electro-motor with microprocessor in handgrip and battery charging unit with microprocessor at cleaning box
Inventor: SCHNEEWEISS DIETER DIPL ING
IPC: H02J7/00
Filed: 1991-11-26
Abstract: The appts. to give portions of food, especially ice cream, has a battery-operated electromotor (11) geared (12) to operate the scraper (5) for the scoop (7), within the handgrip housing (2). the handgrip (2) holds at least one microprocessor (20) with the integrated coupled electromotor (11) at the handgrip (2). The charging unit, with an integrated microprocessor is electrically covered at a cleaning box for the rechargeable battery (23). A mechanical connection through an epicyclic transmission (12) and clutch (14) acts on the swing shaft. A sensor (16) at the periphery of the clutch (14) has a sprung limit stop (17) extending into the working range, coupled to the microprocessor (20). ADVANTAGE - The wear on the gearing parts is reduced, within the dimensions of the handgrip, to give continuous operation of several hours with good ergonomic handling in use.
Patent DE-4139375-A1 (DE)
Title: Bulkhead device protecting plastics pipes in event of fire - has sleeve with opening for first and second bulkheads, fitted and acting in succession and is fastened to outside of partition wall
Inventor: GOEBELL JUERGEN DIPL CHEM DR
IPC: F16L5/04
Filed: 1991-11-29
Abstract: As the plastics pipe softens when exposed to heat the first (13) of two bulkheads (13, 15) screens off this pipe before the second bulkhead (15) acts. This second bulkhead only screens the plastics pipe after it has been exposed to increased amount of heat. The two bulkheads are mounted in a sleeve (12) so that the first bulkhead is nearer the centre of the partition than the second. As the plastics pipe is closed at the first bulkhead a section of it is open towards the fire or heat source so that the heat can reach the relevant section of the second bulkhead quicker. The sleeve has fasteners (14, 16) for attaching the device to the outside of the partition wall (10). ADVANTAGE - Quick-action fire protection. Where other elements, like a spring, are provided, they are protected from heat.
Patent DE-4140233-A1 (DE)
Title: Magnetically operated hydraulic valve - has housing with magnetic plunger with manually operated end, and manual plunger with rubber membrane
Inventor: KUSSEL WILLY
IPC: F16K31/11
Filed: 1991-12-06
Abstract: The magnetically operated hydraulic valve has a housing (1) from which protrudes a magnetic plunger (3) with manually-operated end (4). A protective housing (5), on the magnetic-housing (1) encloses the plunger`s (3) operating-end (4). A manual plunger (6) slide inside the protective housing (5) and is flush with the magnet-plunger (3). The manual plunger (6) is held by sprung force in a non-operating position facing away from the magnetic plunger (3). The manual plunger (6) is made of flexible elastic material such as rubber and, inside the protective collar (9) has a self-supporting curved rubber membrane (10) covering it. A gap between the manual plunger (6) and the protective housing (5) enables a hand-lever to move. ADVANTAGE - The magnetic plunger is manually operated without causing damage.
Patent DE-4140366-A1 (DE)
IPC: G01M3/20
Filed: 1991-12-07
Abstract: The invention concerns a leak indicator (4) for vacuum systems (1) comprising a chamber (2) which is evacuated while the system is in operation plus a vacuum pump (3) used to evacuate the chamber. The leak indicator (4) has a test-gas detector in the form of a mass spectrometer plus a high-vacuum pump (7) to produce the vacuum necessary for operation of the mass spectrometer. In order to make leak indication in vacuum systems more sensitive and technically less complex, the invention proposes that the chamber in the vacuum system is connected via a constriction (9) to the inlet and/or output side of the high-vacuum pump (4).
Patent DE-4141575-A1 (DE)
Title: Wideband television transmission procedure allowing viewer to interact with programmes - transmitting personality TV information signal contg. picture and sound data and control information introduced by special code allowing interaction by multi-medium
Inventor: SCHLECHTER JUERGEN DR ING
IPC: H04N7/173
Filed: 1991-12-17
Abstract: The wide-band TV broadcasting method enables the viewer to interact with specially selected programmes. A multichannel TV programme transmitter or a TV player is used as the source of a TV programme. Personality television data includes picture, sound and control information. These are recorded in a transmission frame and transmitted. The control information is prefaced with a special code which is different from the picture and sound information. The control information contains, e.g. programme number, a sub-channel number, a picture and sound characteristic, a code for addressing a personality box, a characteristic for the running picture construction and sound etc. USE/ADVANTAGE - Has multi-medium application, e.g. HDTV, compact disc or video technology. Wide band transmission allows easy adaptation for different media.
Patent DE-4200140-A1 (DE)
Title: Skin and mucous tolerable antimicrobial preservative for house chemical - comprises inclusion cpd. of anionic, zwitterionic, cationic or polyfunctional surfactants and hydrogen peroxide in urea crystals for pharmaceuticals or cosmetics
Inventor: OHME ROLAND DR
IPC: C09K15/16
Filed: 1992-01-01
Abstract: Preservative comprises (preparing) a new multicomponent inclusion cpd. (I) of anionic, zwitterionic, cationic and/or polyfunctional surfactants and hydrogen peroxide in urea crystals, with a compsn. of 50-90 wt.% urea, 5-20 wt.% surfactants and 5-30 wt.% hydrogen peroxide obtd. by crystallisation out of a common aq. soln.. The prod. may be used as perservative for solns., emulsions, suspensions or ointments. USE/ADVANTAGE - (I) synergistically increases the action of other antimicrobials and achieves complete freedom from spores in alcoholic prepns. and maintains this during (re)filling and emptying. (I) protects domestic chemicals, pharmaceuticals and cosmetics from microbial attack. (I) has a broad spectrum of sporicidal activity. the formulations are storage stable
Patent DE-4203668-A1 (DE)
Inventor: GERTLER KURT
IPC: F23D14/58
Filed: 1992-02-08
Abstract: In a gas burner (1), in particular an atmospheric gas burner with primary-air premixing, with a burner ring (5) having gas outlet ducts (8) and with a burner cover (6) designed if appropriate in one piece with the ring, a solution is to be produced, with which, in particular in atmospheric burners, the NOx content in the waste gas as well as the content of CO is considerably reduced, and in particular over a great range of adjustment between low setting and high setting of the burner. This is achieved by the central axis (9) of the gas outlet ducts (8) having an angle deviating from 0 DEG  to a radius (10) assigned to the respective outlet opening (8a). <IMAGE>
Patent DE-4209958-A1 (DE)
Title: headlamp with servo drive for adjustment - has snap fitting into shaped hole in rear of headlamp housing with rotating release ring to press back ratchets
Inventor: ZILLGITT ULRICH DIPL ING
IPC: B60Q1/06
Filed: 1992-03-27
Abstract: The headlamp has a reflector pivot mounted in a housing with a servo drive housing (26) clipped into a shaped hole (36) in the rear of the headlamp housing and having an adjusting arm (30) to grip the reflector. The hole is shaped to locate radially operating ratchet arms (40), whose ratchet ends grip the inside of the housing wall. The release ring (48) is loosely fitted between the servo unit and the housing. Cams on the inside of the ring press the ratchet arms inwards to release the grip. An operating element (56) extends radially and is easily moved to release the ratchets. USE/ADVANTAGE - For any vehicle headlamp, correcting for suspension movements. Simple fitting action without need for space to operate twist action.
Patent DE-4212978-A1 (DE)
Title: Laser reflector mfr. - producing super Gaussian mirror by applying homogeneous coating with radial refractive index gradient
Inventor: HEINEMANN STEFAN DIPL PHYS
IPC: H01S3/08
Filed: 1992-04-18
Abstract: A uniform dielectric layer or a dielectric layer packet (20,30) is applied to a substrate material (10). The latter has a radial refractive index gradient and may be formed by gradient index lenses. The dielectric layers (20,30) are selected such that the refractive index gradient exerts a definitive influence on the reflective behaviour of the layer packet (20,30). For each wavelength range, optically transparent material such as glass or plastic is used to form the substrate (10). A radial refractive index gradient is produced by, for example, ion diffusion, ion implantation or neutron acceleration. ADVANTAGE - Simple and qualitatively and effectively optimised method.
Patent DE-4217737-A1 (DE)
Title: Roll with centring guide - has mechanical centring elements at bearing rings at roll ends
Inventor: KUBIK KLAUS
IPC: F16C13/00
Filed: 1992-05-29
Abstract: The roll comprises a hollow cylinder (2) rotating about its axis and forming the working circumference (3) of the roll, an externally supported stationary cross bar (1) with a space between its circumference (6) and the internal circumference (4) of the hollow cylinder (2), a hydraulic support system (40) for producing a line pressure in the roll gap (5), and a bearing ring (10) at each end of the cross bar (1). The bearing rings are supported on the cross bar (1) by means of rolling bearings (18). The hollow cylinder (2) is positively centred - in spite of its dia. changes - at the bearing rings. USE/ADVANTAGE - For mfr. of hollow rolls with internal support. It eliminates seal wear and vibration danger inherent in known alternatives.
Patent DE-4218834-A1 (DE)
Title: Exhaust system for vehicle IC engine - uses catalytic converter fed by two pipes of different cross=sections
Inventor: BRAND HEINZ-EWO VON DIPL ING
IPC: F01N3/20
Filed: 1992-06-09
Abstract: The exhaust gas system has two pipes (6, 7) which run from the engine (1) to a catalytic converter (2). A blocking arrangement (8) controls the distribution of the gases between the two pipes. The two pipes (6, 7) differ in their cross-sections such that one pipe (7) alone can carry all the gases when the catalytic converter is cold. The pipe (7) used when cold is the one with the smaller cross-section. USE/ADVANTAGE - Exhaust system for vehicle IC engine ensures rapid warming up of catalytic converter during cold start, and also avoids overheating at full load.
Patent DE-4219036-A1 (DE)
Title: Snow board binding with rotary base plate and friction-lined underside - has circular disc with central circular hole, rim, viewing window and elastomeric rings
Inventor: RATZEK THOMAS DIPL ING
IPC: A63C10/18
Filed: 1992-06-10
Abstract: The snow board (25) binding has a rotary base plate (1) with a friction-coated, e.g. rubber, underside in direct contact with the snow board's top surface. A circular disc (14) protrudes through a circular hole (2) in the base-plate's centre, and has a protruding rim (15) gripping over the hole. The disc (14) has four elongated holes (18-21) in parallel rows for screws (23, 24). The disc (14) has a viewing window (22). The surface (16) of the disc's protruding rim and/or the edge (11) of the base plate's top is milled or toothed. The base plate's outer rim has a flange (29) between which and the snow board's top surfaces fits an elastomeric ring (28). ADVANTAGE - The board is easily produced and assembled.
Patent DE-4220123-A1 (DE)
Inventor: VORBRUEGGEN HELMUT PROF
IPC: A61K9/24
Filed: 1992-06-15
Abstract: Pharmaceutical preparation contain as active substance a combination of a non-steroidal anti-inflammatory agent with nocloprost.
Patent DE-4221720-A1 (DE)
Inventor: WHITE HOLLIS NR
IPC: F01C1/10
Filed: 1992-07-02
Abstract: A spring loaded biasing cylinder (100) on one side of an orbiting valve (14) is utilized to seal the orbiting valve to the manifold structure (21) on the opposing side of the valve to eliminate the necessity for physical seals therebetween. The center drive opening (42) of the orbiting valve is expanded such that the center drive opening sweeps the longitudinal axis of a porting plate (20) with a separate fluid connection (51, 50) through the porting plate allowing drainage of the central cavity (56) of the gerotor device. A hole (55) extending along the longitudinal axis of the wobble stick (15) interconnects the central drive opening of the orbiting valve with such central cavity.
Patent DE-4222109-A1 (DE)
Title: Highly pure hydrogen peroxide prodn. for use in semiconductor technology - by removing inorganic impurities in distilled soln. with membrane of ion exchange resin particles in desensitising polymer matrix
Inventor: HONIG HELMUT
IPC: B01J47/12
Filed: 1992-07-06
Abstract: Prodn. of highly pure H2O2 (I), suitable for use in semiconductor technology, involves purifying H2O2 contg. only small amts. of dissolved inorg. impurities with an ion exchange resin (II). The novelty is that H2O2 (III) purified by distn. is contacted with membranes (IV) contg. (II) particles, embedded in a matrix of a polymer (V) contg. no ion exchange functional gps.. (III), pref. distilled through a borosilicate glass column, contains less than 100, esp. 10-50 ppb residual metal ions. It is contacted with and pref. filtered through (IV) contg. cation exchange (II) and then (IV) contg. anion exchange (II). (IV) contains 70-95 (wt.)% (II) particles, pref. of styrene-DVB copolymer. (III) is PTFE. USE/ADVANTAGE - (I) has the high purity required for the prodn. of 16 MB chips. The use of (IV), in which (II) is desensitised with (V), avoids the danger of decomposition of H2O2 to OH radicals and decomposition reactions between H2O2 and (II).
Patent DE-4222459-A1 (DE)
Inventor: FRIGERIO MARCO
IPC: C07D307/38
Filed: 1992-07-08
Abstract: Spiro(5,5)undecane derivs. of formula (I) and their salts and isomers are new: In (I), R = H, or 2-6C alkyl or alkenyl opt. substd. by a quat. ammonium gp. or one or more OH, 1-6C alkoxy, COOH, NR4R5, NHC(NH)NHR6 or C(NH)NR7R8 gps; R4 and R5 = H, 1-6C alkyl, benzyl or phenyl, or NR4R5 is an opt. substd. satd. or unsatd. 5- or 6-membered monoheterocyclic ring opt. contg. another heteroatom (O, S or N); R6-R8 = H or 1-4C alkyl; n = 0-4; Y = O or S; A = CHB, C(OR1)B or C=N-NR2-CZ-NHR3; R1 = H or Me, B = 1-6C alkyl or 2-6C alkenyl substd. by (a) OH, NH2, oxo or = N-NR2-CZ-NHR3; or (b) a satd. or unsatd. 5- or 6-membered monoheterocyclic ring contg. one or more heteroatoms (O, S or N), opt. mono- or polysubstd. by OH, oxo, NH2 or 1-6C alkyl; R2 and R3 = H, 1-6C alkyl, benzyl or phenyl, or R2 + R3 forms an opt. substd. satd. or unsatd. 5- or 6-membered monoheterocyclic ring; Z = O, S or NR9; R9 = H, 1-4C alkyl or CN; or R9 + R2 or R9 + R3 forms an opt. substd. 5- or 6-membered monoheterocyclic ring.