baber/WOPTO huggingface dataset:
Patent DE-4026312-A1 (DE)
Title: Optical element with refractive index distributions - produced by density gradients of constituents
Inventor: NODA SATOSHI
IPC: C03C1/00
Filed: 1990-08-20
Abstract: A novel optical element has (i) a distributed refractive index resulting from a density gradient of a constituent element of a glass-forming oxide; and (ii) an independent distributed refractive index resulting from a density gradient of a constituent cation of a glass-modifying oxide. Prodn. of the optical element involves (a) providing a glass body with a first distributed refrative index as in (A) (i); and (b) providing the glass body with a second distributed refractive index as in (A) (ii), pref. by ion exchange in a molten slat contg. monovalent cations. ADVANTAGE - The optical element has a satisfactorily, high refractive index gradient difference (delta n), an Abbe number characteristic which varies from a high refractive index/low dispersion region to a low refractive index/high dispersion region and excellent chromatic aberration properties.
Patent DE-4029495-A1 (DE)
Title: Adjustable vice for holding small objects -  comprises right angled bent rod with clamp at upper end and spring-loaded revolving knob
Inventor: BOSCH BERND
IPC: B25B5/16
Filed: 1990-09-18
Abstract: The adjustable vice comprises an arm (8), parallel to the surface (11) on which the object is to be laid, but bent at right angles downwards into a vertical rod (9). At the free end of the arm (8) is a fixed or rotating clamp (1), and by loosening the milled knob (4), it is raised above the surface (11) by the pressure of a spring (6). The arm (8) is prevented from lateral twisting by a horizontal pin (3) which passes through the vertical rod (9) projecting from either side, and whose ends slide up and down in slots (2) in the rod housing. USE/ADVANTAGE - Adjustable vice securely holds small objects of different shapes and contours.
Patent DE-4031848-A1 (DE)
Inventor: SCHIMMEL GUENTHER DR
IPC: C01B33/38
Filed: 1990-10-08
Abstract: In order to prepare crystalline sodium silicates having a layered structure, a water content of less than 0.3% by weight and an SiO2 to Na2O molar ratio of (1.9 to 2.1):1 from a water glass solution containing at least 20% by weight of solid, the water glass solution is obtained by reaction of silica sand with sodium hydroxide solution in an SiO2 to Na2O molar ratio of (2.0 to 2.3):1 at temperatures of 180 to 240 DEG C and pressures of 10 to 30 bar. This water glass solution is treated in a spray-drying zone with hot air of 200 to 300 DEG C at a residence time of 10 to 25 s and a temperature of the waste gas leaving the spray-drying zone of 90 to 130 DEG C with formation of a pulverulent amorphous sodium silicate having a water content (determined as loss on ignition at 700 DEG C) of 15 to 23% by weight and a bulk density of more than 300 g/l. The pulverulent, amorphous, water-containing sodium silicate is placed in a tilted rotary kiln equipped with means for moving solids and treated therein counter-currently with flue gas at temperatures of more than 500 DEG C to 850 DEG C for 1 to 60 minutes with formation of crystalline sodium silicate. The rotary kiln is insulated here in such a manner that the temperature of its outer wall is less than 60 DEG C. Finally, the crystalline sodium silicate leaving the rotary kiln is comminuted by means of a mechanical crusher to particle sizes of 0.1 to 12 mm.
Patent DE-4032459-A1 (DE)
Title: Highway speed limit violation recognition and electronic recording - involves electronic camera in pref. magnetic recording of vehicular registration number, calculated speed and other data
Inventor: SALOMON PETER
IPC: G01P3/68
Filed: 1990-10-10
Abstract: Sepn. comprises evapn. The initial liq. is spread out as a film on a heated surface where it flows out before stripping off. When the material has dried off to pref. deg. and has formed a cohesive film it is stripped, picked up, compressed and drawn out of the vacuum chamber. Pref. the vacuum chamber contains two drying rollers and an extruding outlet at the bottom. These rollers are parallel, counter-rotating and steam-heated. The polymer soln. is added at the top and flows out of an open member on to the gap between the rollers. This member is slightly narrower than the rollers. The soln. is cooled by jackets round the inlet. The gap between the rollers is 0.1-16mm and adjustable. The film of polymer is stripped off by doctor blades and guide plates which have a non-stick coating. The curtains of dried film fall over further guide plates down to the outlet of length equal to that of the rollers. ADVANTAGE - Procedure is economical. The prod. is not affected thermally. Partic. used with non-film-forming polymers and below m.pts.
Patent DE-4033695-A1 (DE)
Title: Optical draw plate - has a translucent substrate, an organic writing layer and a silver reflecting layer
Inventor: YANAGISAWA SHUICHI
IPC: G11B7/244
Filed: 1990-10-23
Abstract: The optical DRAW plate, where markings can be seen after heat sublimation, has a translucent substrate, a writing layer of an organic material on the substrate, and a silver reflecting layer. The translucent substrate is pref. a gp. selected from polycarbonate and poly methyl acrylate. A priority address or groove is formed on the surface of the substrate in advance. The plate has a high reflection capacity, a high carrier/noise signal ratio and high sensitivity. The writing layer and the substrate are shaped into a recess, when a laser beam is absorbed, so that the silver reflective layer acts as a heat sink. ADVANTAGE - The signal swings are reduced when the data on the plate is scanned, as inherent distortions are avoided.
Patent DE-4034290-A1 (DE)
Title: Vehicle air conditioning unit with twin blowers - diverts circulated air to environment selectively via condenser connected to evaporator
Inventor: KORCIAN JAN DR
IPC: B60H1/32
Filed: 1990-10-27
Abstract: Air conditioning unit for a vehicle having a housing (1) containing two blowers for delivering warm air via a heat exchanger (8a,8b) and cooling air via an evaporator (10) connected to a condenser (11). In the cooling mode one of the blowers (3a) delivers the cooling air through the condenser into the  environment. ADVANTAGE - Simple method of discharging circulated air through a side opening (20).
Patent DE-4034802-A1 (DE)
Title: Examination appts. for standing patient - has vertical guide column for support plate which is lifted and lowered
Inventor: MUELLER HEINRICH
IPC: A61G13/00
Filed: 1990-11-02
Abstract: The appts. is for the phlebological examination and/or treatment of the legs of a standing patient. It comprises a baseplate (8) on the floor, equipped with a vertical column (6) guiding a support plate (11) for the patient, and which can be lifted and lowered. A mechanical, hydraulic or electromechanical drive mechanism can be provided for the plate. The column can be of box-section with an internal guide and a slot through which a plate-supporting arm passes. USE/ADVANTAGE - Provides comfortable working position for doctor examining legs of standing patient.
Patent DE-4039075-A1 (DE)
Title: Drive for synchronous lift values - has cup tappet with central pressure medium chamber and hydraulic compensators
Inventor: VOIGT DIETER DIPL ING
IPC: F02F1/24
Filed: 1990-12-07
Abstract: Two valves (1,2) designed for simultaneous operation have a common cup tappet (11) which has a pressure medium chamber (17) located centrally between the valves (1,2). Spring retainers (7,8) hold valve closing springs (5,6), and each valve has a hydraulic clearance compensator (32,33) which is at least partially integrated into the tappet and supplied with pressure medium through ducts (30,31) in the valve tappet (11). The chamber (17) has pressure medium connections withthe compensators (32,33), the bearing surface (29) and outer guide surface (12) of the tappet. USE/ADVANTAGE - Space saving valve gear for IC engine with efficient distribution of lubricant and pressure medium.
Patent DE-4039833-A1 (DE)
Title: Spring component for vehicle windscreen wiper arm - involves system of dimensioning for attachment to connecting bolt
Inventor: KRIZEK OLDRICH
IPC: B60S1/40
Filed: 1990-12-13
Abstract: The spring component is for a vehicle windscreen wiper arm. The distance (d) of the bow shaped end (32) of the main section from the recess (28) is greater than the length (D) of the arm (34) of the wiper rod (14) which defines the shape of the hook (12). USE/ADVANTAGE - Spring component which can fulfil its function independently of the diameter of the connecting bolt by which the blade is attached.
Patent DE-4040443-A1 (DE)
Title: Two=stroke IC engine - has piston with valve, and additional connection between piston and connecting rod
Inventor: SANCHEZ MARTINEZ JOSE LUIS
IPC: F02B1/04
Filed: 1990-12-18
Abstract: The engine has a valve, located on a piston, and is a petrol and diesel engine in motor vehicles. The engine has a cylinder (2) with vertically acting piston (3), which is additionally connected to a connecting rod (5), via a mechanism (4). The cylinder construction contains a first and second channel (6,7), with intake (8) and outlet (9) on the second channel. The connecting rod additionally acts to oil-lubricate the piston. ADVANTAGE - Improved cooling, and efficiency; less environmentally damaging.
Patent DE-4040975-A1 (DE)
Title: Cylinder block prodn. of light metal alloy - comprising application of an abrasion resistant coating to the support collars
Inventor: LINDNER HORST DIPL ING
IPC: B22D19/00
Filed: 1990-12-20
Abstract: Process comprises applying an abrasion resistant coating (ARC) to support collars (SC) which are then placed in the cylinder block mould and a molten alloy poured in. The SC, which are pref. steel tubes (opt. ceramic) are thermally sprayed with the coating and subsequently removed from the moulded cylinder block leaving the ARC exposed on the inner side of the cylinder bearing surface (CBS). The ARC consists of a hard outer layer, a transition layer, and an adhesion layer. The outer layer can be of transition metals Ti, Zr, Hf, V, Nb, Ta, Cr, W or Mo or non-metallic hard materials such as Al2O3, Cr2O3, ZrO2 or MgO, it has a porosity of 2-20%, pref. 3-10%; the transition layer is of the same material but of greater porosity, and the adhesion layer is an alloy having more than 3% Al, esp. an Al bronze of pore size greater than 60 microns. USE/ADVANTAGE - An effective, simple mfg. technique with good controllability. Gives a CBS of precise and uniform structure and high abrasion resistance.
Patent DE-4041184-A1 (DE)
Inventor: WEGNER BRIGITTE DR
IPC: B01D19/04
Filed: 1990-12-21
Abstract: The use of esters and amides of citric, tartaric, succinic, maleic, nitrilotriacetic and ethylene diamine tetra-acetic acids as anti-foaming agents and anti-foaming mixtures which also contain up to 40 % wt. of an emulsifier with an HLB value of at least 8.
Patent DE-4100878-A1 (DE)
Title: Domestic equipment with programme selector disc - has pushbutton start that ensures disc is in correct position
Inventor: STICKEL ERNST DIPL ING
IPC: H01H13/78
Filed: 1991-01-14
Abstract: An item of domestic equipment, e.g. washing machine, has a programme selector disc (5) that has specific start positions for different programmed cycles. Located on the front panel directly above the selector disc is a main start push button (10). This is coupled by a pin (14) in an angled slot (22) to an actuator bar (21). The lower end of the bar engages with a lug on the programme selector disc. When the push button is operated the disc is moved to the precise starting position of the selected programme. ADVANTAGE - Simple means of setting start point.
Patent DE-4108410-A1 (DE)
Title: Sliding and=or lifting roof for vehicle - uses upholstered section to conceal roof frame cover
Inventor: SRDINKO KLAUS-PETER
IPC: B60R21/04
Filed: 1991-03-15
Abstract: Vehicle roof having a sliding roof or a sliding/lifting roof or a lifting roof the frame (9) of which is inserted in an opening (5) provided in the fixed roof surface (2), with a cover (6) which closes the opening and a frame cover (11) directed towards the interior of the vehicle. The frame cover is formed by an upholstered section (12) extending transversely and longitudinally over the frame, with an opening (15), and the upholstered section is concealed by a head lining (14). ADVANTAGE - Vehicle roof opening which gives improved safety within the passenger compartment and which matches the interior decor.
Patent DE-4109261-A1 (DE)
Title: New barium and onium thio, sulphinyl or sulphonyl di:benzoate(s)
Inventor: NAGL GERT DR
IPC: C09D5/03
Filed: 1991-03-21
Abstract: New Ba, substd. ammonium, phosphonium, arsonium and antimonium, aldimmonium, ketimmonium and guanidinium (substd.) di- and trithio-, sulphinyl- and sulphonyl-dibenzoates (I) are of the formula: n = 0, 1 or 2 if m = 1 and n = 0 if m = 2 or 3; A(+) and B(+) independently = the equiv. of a Ba ion, (X(R11)(R12)(R13(R14))(+)(II) or (R15)(R16)C=N(R11)(R12))(+) (III) and one of A and B may also = H(+); X = H, P, As or Sb; R11-14 independently = 1-30C alkyl, oxyethyl of the formula -(CH2-CH2-O0p-R9 (R9 = H, 1-4C alkyl or acyl; p = 1-10), 5-12C cycloalkyl, 6-12C aryl or 6-12C aryl-1-5C alkyl, opt. with OH, 1-4C alkoxy, prim., sec. or tert. amino, acid amide, F, Cl or Br substit(s); and some but not all of R11-14 may = H; R15-16 independently = H, 1-6C alkyl or an amino gp. of the formula -NR17R18 (R17-18 idependently = H or 1-6C alkyl); R11 + R13 or R11 + R15 may form a (substd.) 5-12-membered ring system, opt. contg. other heteroatoms; R1-8 independently = H, 1-30C alkyl, 2-30C alkenyl, 2-30C alkynyl, 1-4C alkoxy, 1 -(2-5C alkylene-O)1-R10 R1-8 independently = H, 1-30C alkyl, 2-30C alkenyl, 2-30C alkynyl, 1-4C alkoxy, 1 -(2-5C alkylene-O)1-R10 gp. (R10 = H, 1-4C alkyl or acyl; q = 1-10), 5-12C cycloalkyl, 6-12C aryl, 6-12C aryl-1-6C alkyl, F, Cl, Br, I, No2, CN, OH, SO2, SO3H, a carboxylate ester gp. or a -NR21R22 gp. (R21-22 independently = H or 1-4C alkyl), in which the (cyclo)aliphatic, araliphatic and aromatic gps. may be substd. by COOH or SO3H gps. or their salts, amides or esters, OH, 1-4C alkyl, 1-4C alkoxy, prim., sec. or tert. amino gps. F, Cl or Br and/or contain heteroatom(s); and any 2 or R1-4 and/or R5-8 together may form a (substd.) 5-12-membered ring system, opt. contg. heteroatom(s).
Patent DE-4109288-A1 (DE)
Title: Pushbutton with inbuilt indicator - provides both general illumination and activation from single source
Inventor: SCHLEGEL EBERHARD
IPC: H01H13/02
Filed: 1991-03-21
Abstract: A push button for panel mounting has a main housing (2) with a central channel that provides guidance for the main section (4). This is spring biased into the extended position. An indicating incandescent lamp (3) is set into the centre of the unit. The cap of the push button has an inset clear glass reflector element (13). A section of this has an edge panel of a rectangular shape that acts as an activation indicator. Set into the centre of the panel, a specific symbol is illuminated when the push button is operated. ADVANTAGE - Provides high definition indication.
Patent DE-4111088-A1 (DE)
Title: Railway track top structure - comprises ballast bed with transversal sleepers of stressed concrete having thinner central area for rail location
Inventor: SALZMANN HEINRICH
IPC: E01B13/00
Filed: 1991-04-05
Abstract: Recesses (8) are provided in the area for rail (3) location on the sleeper (1), and partic. in the outer two fifths to a third of the sleeper.  The side surfaces of the sleeper and also the recesses have a gradient of at least 1 in 10, and the cross-sectional surface in the region of two counterposed recesses is greater than that in the central area of the sleeper (1). The sleeper has recesses (11) also on at least " one surface facing towards the ground, and which are located in the two outer third parts of it.  When viewed in the longitudinal direction of the rail, projections are provided to accommodate rail fixtures (4). USE/ADVANTAGE - Railway track surface using a ballast bed in which concrete sleepers are located, and which requires less maintenance work.
Patent DE-4115525-A1 (DE)
Title: Stapling machine using EM clutch - which slips when required holding pressure is reached with control circuit setting different pressures
Inventor: EHINGER ADOLF
IPC: B26D7/04
Filed: 1991-05-14
Abstract: The paper stapling machine has a pressure beam (13) to hold the paper during stapling or cutting. It is attached to a chain (16) driven by an electric motor (30) through an e.m. clutch (25) and gears (22,23). When the required holding pressure is reached, the clutch slips. The speed detector (33) on the output shaft detects the lack of motion and a control signal is sent to the motor to deactivate. The pressure beam can be raised by a reversal of the running direction of the electric motor. The control circuit will allow different holding pressure to be used. ADVANTAGE - Cheaper and smaller than pneumatic or hydraulic stapling machines.
Patent DE-4115605-A1 (DE)
Title: Two=part fixing bracket securing solar panels to pantile roof - has adjustable base screws to rafter and second section bolted to first standing proud of pantiles
Inventor: SCHULTE FRANK DIPL ING
IPC: F24J2/52
Filed: 1991-05-14
Abstract: The fixing is in two parts. The first part is pref. formed from zinc-plated sheet metal, and is screwed or bolted (3) to a roof rafter (1). A number of holes (6) are available to allow for adjustment. The second part (4) is bolted (5) and projects proud of the pan tiles and provides a fixing area for the solar panel etc. USE/ADVANTAGE - Simple fixing for attaching solar panels to pantiled roof.
Patent DE-4115997-A1 (DE)
Title: Window and door catch to hold leaf open - has stepless adjustment and window or door can be moved once pre-set resistance is overcome
Inventor: GROTHE HERRMANN
IPC: E05F5/02
Filed: 1991-05-16
Abstract: The door or window leaf frame is provided with a set of hinges. These hinges allow the frame to be held open to any chosen extent, and to close when a predetermined resistance in the hinges is overcome. The resistance is achieved by the deformation of an elastic body (18) in the hinge housing. USE/ADVANTAGE - Allows stepless selection of secured door/window opening.
Patent DE-4120739-A1 (DE)
Title: Unit for handling used EDM electrode wire - has cutter roll driven synchronously with wire feed system to cut wire from machining area into short pieces
Inventor: SAUER WALTER
IPC: B23H7/02
Filed: 1991-06-22
Abstract: The unit for handling used EDM electrode wire cuts the wire into pieces which drop into a container (12). The wire from the machining area is guided between rollers (2) of the EDM machine wire feed system and past a cutting roll (4) with cutters (45). The cutting roll, which is driven synchronously with the wire feed system, works in conjunction with an opposing pressure roll (7). ADVANTAGE - Prevents used wire from tangling and bringing EDM machine to unscheduled halt.
Patent DE-4128964-A1 (DE)
Title: Defined adhesive area prodn. esp. for micro-mechanics or integrated sensor - using photoresist adhesive soln. of lacquer, photosensitive cpd. and hardener, etc.
Inventor: MEHLISS GEORG
IPC: H01L21/58
Filed: 1991-08-29
Abstract: Prodn. of adhesive areas of definite extent for bonding parts is carried out by (a) coating a pattern with a photoresist adhesive (I), consisting of a solvent (II), a lacquer component (III), a light-sensitive component (IV) and a hardener component (V) and a solvent; (b) this is exposed and developed; then (c) 2 devices are placed in the required position and contacted under a pressure max 1g/sq.cm for max. 10 minutes and heated to 200 deg.C. Pref. (III) is a cresol/HCHO resin (IIIA) and/or its oligomers (IIIB) or poly-(hydroxystyrene); (IV) is 1,2-naphthoquinone-diazide- 2-(5-sulphonate esters) (IVA) and/or the corresp. 4-sulphonate esters (IVB) or aryl-hydroxy cpds. polyhydroxybenzophenones, esp. 2,3,4-trihydroxybenzophenone, gallate esters or cresol/HCHO condensates. (V) is phenol and/or cresol bismethylols or their ethers or esters, resols, epoxide cpds. or mixts. of these 4 cpds. USE/ADVANTAGE - The technique is useful for making contact areas with narrow limits, esp. for making functional elements with micro-cavities esp. for finishing microelectronic devices in the micro-mechanical field and integrated sensor technology. A firm bond with very small, exact areas can be made, with tolerances of a few microns or in the sub-micron range.
Patent DE-4130922-A1 (DE)
Title: High-temp furnace burner - has air chamber ahead of block with secondary air vortex holes concentric with lance supporting hole
Inventor: FLAMME MICHAEL DR ING
IPC: F23M5/02
Filed: 1991-09-17
Abstract: Passing through the wall of a furnace is the cylindrical body of a burner with a top inlet for air and an end opening for a burner lance (9). The air chamber through which the lance also passes, terminates in a circular block (6) with a circular opening (7) for the end of the lance, which is supported by a ceramic plug (8) and forming a primary combustion chamber. Concentric with the inner opening are inner and outer rings of secondary air holes (10), producing a whirling effect. The size, and pitch circles of the holes and the air speed are specified. Tangential radial holes can be used. USE/ADVANTAGE - High-temp furnace burner achieves good air preheating and reduced pollution.
Patent DE-4131177-A1 (DE)
Title: Protective tube for oxygen@ measuring probe - is made of electrically conducting ceramic material and is glued to holder at one end and has spring elastic element between holder and tube
Inventor: DENZER ALWIN
IPC: G01N27/407
Filed: 1991-09-19
Abstract: Protective tube is held at one end in a holder and surrounds an O2-ion conducting tubular solid electrolyte. The tube is made of electrically conducting material and contacts an outer electrode to the electrolyte. The protective tube (13) is made of electrically conducting ceramic material and is glued to the holder (10). A contact (17) contg. a spring-elastic element (19) is arranged betwen the holder (10) and the tube (13). The protective tube (13) is pref. made of Si-SiC material. ADVANTAGE - The service life of the probe is increased.
Patent DE-4134976-A1 (DE)
Title: Galvanic application of structures in relief on to endless pressed steel strips - following acid bath treatment with accompanying low redn. in hardness of alloy in welded seam area
Inventor: HUECK WALTER DR ING
IPC: C22C38/40
Filed: 1991-10-23
Abstract: Galvanic application of structures in relief on to endless, pressed steel strips having undergone acid bath treatment, application of a welded seam, and having alloy compsn. 0-0.03% C, 2-4% Si, 0.15-0.5% Mn, 11-14% Cr and 6-8% Ni. Pref. steel strip alloy components are 0.01% C, 3% Si, 0.25% Mn, 13% Cr and 7.3% Ni. The acid bath used for pretreatment of the steel strip contains 40-50% (pref. 45)% phosphorated component and 30-40%, (pref. 34)% sulphuric acid, and direct current density 2 A/dm2, is applied. Inner and/or outer sides of the steel strip undergo galvanic treatment. ADVANTAGE - Steel alloy pressed strip exhibits extremely low redn. in hardness in the area of the welded seam