baber/WOPTO huggingface dataset:
Patent DE-4016417-A1 (DE)
Title: Polycarbonate flame retardant alloys - contain copolymer, graft polymer and poly:organo:siloxane¨-polycarbonate block copolymer, for good mechanical properties
Inventor: HAEHNSEN HEINRICH DIPL CHEM DR
IPC: C08K5/521
Filed: 1990-05-22
Abstract: Polymer alloys comprise (A) 40-70 wt.% of a thermoplastic aromatic polycarbonate opt. contg. 2-10 wt.% bound halogen, pref. bromine; (B) 5-30 wt.% of a thermoplastic copolymer of 50-95 wt.% styrene alpha-methylstyrene, halogenostyrene and/or alkylated styrene and 5-50 wt.% (meth)acrylonitrile, alkyl(meth)acrylate, maleic acid anhydride, N-substd. maleinimide and/or vinylacetate; (C) 0-25 wt.% of graft polymer prepd. from (i) 50-90 pts. wt. of a mixt. of 50-95 wt.% styrene, alpha-methylstyrene, methylmethacrylate and/or and 5-50 wt.% (meth)acrylonitrile, methylimethacrylate, maleic acid anhydride, N-substd. maleinimide or their mixts., (ii) 10-95 pts. wt. of a rubber of Tg up to 10 deg.C, (D) 1-25 wt.% of a phosphorus cpd. of formula (I) or (II); (E) 0.5-20 wt.% of a thermoplastic polydiorganosiloxane-polycarbonate block copolymer having a Mw of 10000-200000, an aromatic carbonate content of 5-75 wt.%, a diorganosiloxy unit content of 25-95 wt.% prepd. from alpha,omega-biohydroxyaryloxy polydiorganosiloxanes, with a polymsn. degree Pn of 5-200, pref. 10-100; and (F) if (A) contains no halogen, a halogen contg., pref. bromine contg. compound contg. 40-80 wt.% halogen. In formulae R = a direct bond, -CH2-, -C(CH3)H- or -C(CH3)2-; x = 0, 1 or 2; y = 1 and if x= 2, can be 2 or 3; R10 = 1-8C alkyl; z = 0, 1 or 2; R1-R3 = 1-20C hydrocarbon opt. substd. and/or alkyl or aralkyl substd. 6-20C aryl; and m = 0 or 1. USE/ADVANTAGE - The compsns. have good mechanical properties and anti-inflammation properties as well as high (notched) impact resistance, and heat shape retention without the need for the addn. of fluorinated polymers. (10pp Dwg.No.0/0)
Patent DE-4021405-A1 (DE)
Title: Plunger actuated switch esp. for door of motor vehicle - comprises NC switch with contact track cranked to separate contacts
Inventor: KNORR MICHAEL
IPC: H01H9/04
Filed: 1990-07-05
Abstract: The switch, of the type used as a door contact switch for vehicles, has a main body (2) with a recess providing a guide (5) for the plunger (4). The plunger is held in the up position by a coil spring (6). A movable contact carrier (10) is attached to the underside. The carrier has a spring characteristic and presses against the surface of a fixed contact track (14). As the plunger is depressed the movable contact (12) enters the space formed by a cranked section (16) of the track and the connection is broken.
Patent DE-4024536-A1 (DE)
Title: Replacement for asbestos conveyor belts - consists of suitable thickness of heat-resistant natural rubber bonded with similar material to top layer of glass fibre fabric
Inventor: FISCHER WOLFGANG
IPC: C03B9/453
Filed: 1990-08-02
Abstract: A laminate to withstand hot articles placed on it has a rubber substrate with a suitably bonded thermally resistant fabric on it. This fabric is pref. glass fibres and the bond is pref. a natural rubber which resists up to 250 deg.C. The substrate used is preferably a rubber which is resistant to 200 deg.C. The thickness of the fabric layer on top is important and is pref. 5 mm to avoid holding too much heat. The structure is particularly useful when the product is a conveyor belt, as the rubber is then next to the rollers used. The product has a much longer service life than the asbestos-based laminate.  ADVANTAGE - The product is suitable for replacing asbestos (e.g. as conveyor belt etc).
Patent DE-4026254-A1 (DE)
Title: Heatable hose for windscreen washer - has heating element wound around inner hose
Inventor: BRUECKNER HEINZ W DIPL ING
IPC: B60S1/48
Filed: 1990-08-20
Abstract: A flexible hose for a windscreen washer, or for the fuel supply to the engine of a motor vehicle, is provided with means for heating the liq. flowing through the pipe. The flexible hose (30) has an inner hose (20) made of  plastics or elastomeric material. A heating element (10) is wound around this inner hose (20).  This heating element (10) is formed from two thin flat copper strips (13,14) which are enclosed between two thin layers of plastics film (11,12) which form a moisture proof seal around the copper strips. ADVANTAGE - Easily mfd. Maintains form well even under heat.
Patent DE-4029534-A1 (DE)
Title: New 2-aryl-1,2,4-triazine-3,5-di:one derivs. - useful for control of parasitic protozoa, esp. coccidia, and fish parasites
Inventor: LINDNER WERNER DR
IPC: A01N43/707
Filed: 1990-09-18
Abstract: Substd. 1,2,4-triazinediones (I) are new, where X= O or S; Y= O, S, CO, CH(OH) or C(CN)(R3); R1= 1-4C haloalkyl; R2= H, halogen or 1-4C haloalkyl; R3= H or 1-4C alkyl; R4= H, halogen, haloalkyl or 1-4C alkyl; R5= H, 1-4C alkyl, haloalkyl, aralkyl or alkynyl. Intermediates (III), (IV) and (V) are also claimed, where A= COOH in cpds. (III); and R7 in cpds. (IV). R7= CN or -CON(R5)COOR8; R8= alkyl or aryl. USE - (I) are used for the control of parasitic protozoa and fish parasites. They are esp. effective against coccidiosis in poultry, where they are given in the feed in amts. of 0.5-100 ppm, and in mammals, where the dosage is e.g. 0.5-100 mg/kg.
Patent DE-4034806-A1 (DE)
Title: Tripod link with outer and inner parts - fits together by means of three axial cavities in which fit three radial pins, with rollers
Inventor: JOST DIETER
IPC: F16D3/205
Filed: 1990-11-02
Abstract: The tripod link has an outer part (1) in which are three axially positioned elongated cavities (2) over its periphery and with peripherally-facing tracks (4,5). An inner part (6) has three radial pins (7) over its periphery and fitting into the cavities (2). Outer rollers (9) are pivot mounted on a support (6). The pins' (7) ends are fixed to the ball-heads fitting into a cylindrical inner cavity in the roller-holder (6) so that they move radially and at an angle. The neck of the pins beneath the ball-head has a non-round, ie. oval cross-section at the weakest point, so that the diameter in the peripheral direction is greater than in an axial direction. ADVANTAGE - The tripod link is designed so that the pins are stronger.
Patent DE-4039048-A1 (DE)
Title: Coil winder for continuous synthetic sheet - has swing arm for moving full coil and starting new coil before cutting the sheet
Inventor: HAX WOLFGANG
IPC: B65H19/22
Filed: 1990-12-07
Abstract: A coil winder for continuous synthetic sheet material (1) has rollers (4, 5) to support and drive the coil (3) being wound. A manipulator (11) transfers the full coil to forks (9) while a fresh core (2) is supplied from a magazine (10). A starting device (13) and cutter (15) come into action after which the next coil starts winding. The core can be gripped by cones moving along a cone slide (21). USE/ADVANTAGE - The method provides for automatic coil changing on a continuous sheet line.
Patent DE-4039739-A1 (DE)
Title: Renovating cold water pipes - involves  blocking off blocks of condensers and pumps, and fitting connecting pipes
Inventor: SOMMERFELDT PETER
IPC: F16L55/00
Filed: 1990-12-10
Abstract: The method is for renovating wide cold-water pipes in power-stations with each block possessing machine-condensors (2) and cold-water pumps (1). There are collector-rails (3, 4) possessing blockable feeder and discharge pipes. A T-shaped piece (16) is fitted into each cold-water (1) and cooling-tower (12) pipe before and after respectively the last locking-gate (6, 13). An open feeder (17) is pulled over the T-shaped pieces (6, 13) and given a locking gate (18). In the open feeder (17) parallel to the collector-rail (3, 4) and between the separate locking gates (18) are connecting-pipes (19, 20) with non-corrosive lining. USE/ADVANTAGE - Each block fitted with machine condensors and cold water pumps, together with the collector rails are blocked off at their inlets and outlets and cleaned without switching of the cold water pumps.
Patent DE-4041256-A1 (DE)
Title: Fluoro:aromatic cpds. useful for mfg polycondensates - e.g. hexa:fluoro-2-(4-methylphenyl)-2-(3,4-di:methylphenyl) propane
Inventor: SIEGEMUND GUENTER DR
IPC: C07C22/08
Filed: 1990-12-21
Abstract: Fluoroaromatic cpds. of formula (I) are new: where R1-R3 = 1-4C alkyl. USE - (I) are useful for prepn. of fluoro contg. polycondensates, e.g. polyamides, polyimides and polyesters.
Patent DE-4100811-A1 (DE)
Inventor: WEIDER RICHARD DIPL CHEM DR
IPC: C08G18/20
Filed: 1991-01-12
Abstract: The present invention relates to a process for preparing polyisocyanate polyaddition products by reacting (a) polyisocyanates with (b) relatively high molecular weight compounds containing at least two isocyanate-reactive hydrogen atoms and (c) chain-extending agents, in the presence of (d) N-(aminoalkyl)pyrrolidine catalysts corresponding to formula (I)   <IMAGE> (I)   in which R is a C2-12 alkylene group (optionally containing O or N atoms but not isocyanate-reactive groups) and R' is hydrogen or a C1-4 alkyl group, (e) optionally, other known catalysts, and (f) other known additives.
Patent DE-4102523-A1 (DE)
Title: Theft proof display system for goods such as cutlery - has U=shaped strip, tray, transparent lid and plinth
Inventor: MANTZ EHRHARD
IPC: A45C13/02
Filed: 1991-01-29
Abstract: The display system for keeping objects theft proof consists of a U-shaped sectioned strip (1) the width of which is at most 10% of the width of the tray (2) containing the objects on display. The top of the tray (2) is covered with foam. A retaining system consists of a plinth (5) part of which is in the form of a guide lug at the top, fitting into the hollow space inside the holder strip (1). ADVANTAGE - The antitheft security system for displayed objects, such as cutlery, enables potential customers to view the objects.
Patent DE-4111811-A1 (DE)
Inventor: HOHN ELKE
IPC: A61K8/46
Filed: 1991-04-11
Abstract: The invention relates to polyglycol ether sulphosuccinates of fatty alcohol esters of citric acid of the general formula (I) 
<IMAGE>
 in which 
 
  R is H or -CH3, which can be identical or different, 
  R<1> is 
<IMAGE>
 
  R<2> is R<1> or H or 
  R<3> is an alkyl or acyl radical having 8-22 C atoms, which is optionally substituted and/or contains multiple bonds, 
  a and b are identical or different and can be 0-5, where a+b is >/= 1 and 
  c is 0-15 and 
  x<+> is H<+> or a cation, 
 their preparation and their use.
Patent DE-4113782-A1 (DE)
Title: Therapeutic wrapping blanket for e.g. spa treatment - is elastic stretch creped paper, impermeable to water, composed of unbleached cellulose@
Inventor: LEX PETER
IPC: A61L31/04
Filed: 1991-04-26
Abstract: The blanket, to cover a patient with a therapeutic medium such as a mud or the like in a spa treatment, is of an elastic stretch paper material. The blanket material is exclusively of elastic stretch paper without any impure components and is generally impermeable to water, free of wood and composed of cellulose, and pref. unbleached cellulose. The paper is embossed to give it a fine crepe (2) structure for the stretch action. The paper, before creping, is about 40 g/m2 or max. 40 g/m2, or 70-120 g/m2 after creping or 80-100 g/m2 after creping. The paper web (1) has a width (B) of about 2m and a length (L) as required. The crepe embossing gives a number of longitudinal depressions and lands, in a general pine needle shape of different lengths, in a regular distribution wholly over the paper width. The paper web (1) is drawn from a paper roll (3) as required to cover both the long sides of the treatment bed (4). Successive paper web lengths are sepd. by a marking, which can theoretically or optically be brought to a cutter. The markings are perforations through the paper along a sepg. line. ADVANTAGE - The carrier material for the medium, also acting as the wrapping blanket, can be prepd. for use away from the spa and can be disposed of easily and without hazard.
Patent DE-4115814-A1 (DE)
Title: Gas burner with air and gas mixing chamber - can be adapted to burn either town gas or natural gas
Inventor: JANNEMANN THEO DIPL PHYS
IPC: B01F5/04
Filed: 1991-05-15
Abstract: The burner (1) which normally burns town gas has an air and gas mixing chamber (3). The burner is supplied with combustion air from a fan and is supplied with gas through a pipe (2). The pipe is connected to a radial duct (9) in the central wall (6) of the combustion chamber. The duct is connected to a nozzle (11) which directs jets of gas into the air stream which then flows into the combustion chamber (12) through the holes (8). The burner can be adapted to burn natural gas by rotating the wall (6) through 180 deg and replacing the nozzle by a tube (14) with a nozzle at its outer end. The combustion chamber is replaced by the combustion tube. USE/ADVANTAGE - Burner for town gas which can be adapted to burn natural gas.
Patent DE-4116930-A1 (DE)
Inventor: HEIMANN BRUNO
IPC: B05B3/04
Filed: 1991-05-24
Abstract: In a shower head for shower devices and bath devices having a water feed chamber (1) which has at least one outlet opening and is connected to the water supply, and a shower floor (71) which is connected downstream and contains the water jet nozzles, changing-over and/or altering the emerging shower jets takes place by means of a relative movement of the shower floor (71) with respect to the housing of the shower head, in order to improve and reduce the space required for the changing-over device it is proposed that the outlet opening (101) be arranged in a dividing wall (10) on a hole circle (102) parallel to the central axis of the shower head, on which dividing wall a water directing disc (2) is mounted, which has one or more openings (22, 23, 24) arranged on the upstream-side end side on a corresponding hole circle, at least one opening extending from the end side in the direction of the arc of the hole circle having an oblique recess (21), which acts as a restrictor surface, or a restrictor edge (210) so that continuously variable restriction of the amount of water flowing through at this opening can be set by means of a specific angle of rotation. 
<IMAGE>
Patent DE-4117074-A1 (DE)
Inventor: BONIN WULF VON DIPL CHEM DR
IPC: C04B35/536
Filed: 1991-05-25
Abstract: In a particularly advantageous process for the production of mouldings from expandable graphite, the expandable graphite is first converted into a pre-expanded form and the latter is compression moulded in a compression moulding apparatus at temperatures below 180 DEG  C. to give performs. Moldings are produced from these preforms by heating in moulds to temperatures above 180 DEG  C.
Patent DE-4119448-A1 (DE)
Title: Printing screen coating machine - has front and rear wipers on slides coupled by cross=bar and coupled by levers
Inventor: MESSERSCHMITT ELMAR PROF DR
IPC: G03F7/16
Filed: 1991-06-13
Abstract: The machine coats a printing screen on one or both sides, this being secured vertically in a mounting. Opposite horizontal wipers are individually adjustable and driven vertically up and down. The wipers (13, 14) are mounted on slides (5) travelling up and down a vertical strut (3) and coupled together by a cross-bar (7). A common pivot spindle (12) accommodates levers (8, 9) fixed to the front and rear wipers. On the free end of each lever is a cntrol lever (10, 11) supporting the respective wiper. The control and other levers are caused to pivot by gas springs (15-18) coupled to them. ADVANTAGE - Independent and fine setting of front and rear wipers.
Patent DE-4121204-A1 (DE)
Inventor: DUNG HERBERT
IPC: H01F27/16
Filed: 1991-06-27
Abstract: With the object on the one hand of economical manufacture and on the other hand of also having a design capability for relatively high current loads, a water-cooled inductor for high-current systems is proposed, whose windings, which follow a rectangular shape, [lacuna] out of the edges of the windings to form [lacuna]] corresponding to a conductor having a hollow profile of rectangular cross-section. <IMAGE>
Patent DE-4123052-A1 (DE)
Title: Integrated sensor and focus adjuster for high power laser - determines focusing error using quadrant detector and sends corrective control signals to piezoelectric or magnetostrictive actuators
Inventor: PROTZ RUDOLF DR
IPC: G01J1/42
Filed: 1991-07-12
Abstract: The partially transparent  reflecting plate is provided with cooling ducts. A pressure proof stable shaped housing is formed by a baseplate (11), a housing body (10), a ring shaped flexible element designed in the manner of a spring bellows and a reflecting plate (13). A quadrant detector (14) with a preconnected light chopper (15), as well as two or more adjusting elements (16) are arranged at the outer edge of the baseplate (11) for the correction of the direction are mounted on the base and fixing plate (11). The correction elements (16) react on the top end of the pressure proof housing across the ring shaped flexible element (12) onto the edge of the reflecting plate (13). A holographic optical pattern (13a) in the form of a rotation symemtrical Fresnel lens is applied on the rear side of the reflecting plate (13). The four quadrant detector (14) is assigned an electronic unit (14a), which determines the angular deviation amount of the laser beam (20) and delivers a correction control signal for the adjusting element (16). USE/ADVANTAGE - For focus adjustment of high powered laser used for material processing. Single component which can separately or simultaneously detect and correct angle and focus errors.
Patent DE-4124229-A1 (DE)
Inventor: ZELENKA THOMAS
IPC: G02B26/10
Filed: 1991-07-22
Abstract: The invention relates to a device for bending a beam of light. A prismatic bearer (1) is connected to a transparent prismatic support (4) extending in the direction of the axis of rotation (2), whereby the bearer (1) extends the support (4) to form a unit (1, 4) symmetrical in relation to the axis of rotation (2) at least in regions. The surface of the support (4) bordering the bearer (1) is a reflexion layer (5). In addition there is at least one disk-like cover (10 or 11) extending perpendicularly to the axis of rotation (2) which is arranged laterally to the bearer (1) or the support (4) and projects radially from the unit consisting of the bearer (1) and the support (4).
Patent DE-4124644-A1 (DE)
Title: Hardening internal surface of esp. cylinders - using structured rollers to heat surface by electro-resistance heating and movement of roller electrode over workpiece surface
Inventor: HARTUNG FRITZ DR ING
IPC: B23K11/06
Filed: 1991-07-25
Abstract: Hardening and/or melting the surfaces of metal workpieces opt. with the addn. of alloying agents to the surface, consist of moving a roller electrode (14) over the surface which has an opposite polarity to that of the electrode to cause resistance heating. The definitive hardness pattern is produced by changing the current flow using structural contact surfaces on the roller (42, 44, 46, 52). Prior to melting the cylinder surface is coated with alloying elements in the form of powder, paste, foil, etc. USE/ADVANTAGE - Esp. for hardening the internal surfaces of cylinders in internal combustion engines. Is a low cost process which is technically easy to control.
Patent DE-4127318-A1 (DE)
Inventor: HORN GERHARD DIPL CHEM DR
IPC: B01J23/80
Filed: 1991-08-17
Abstract: An unreduced catalyst which contains, per 100 parts by weight of CuO, 40 to 130 parts by weight of ZnO, 2 to 50 parts by weight of Al2O3 and, optionally, 0.5 to 8 parts by weight of an oxide of Mn, Mo, V, Zr and/or an alkaline earth metal, and, also optionally, 2 to 80 parts by weight of a support. The catalyst has a total BET surface area of 80 to 175 m2/g, 75% to 95% of the total BET surface area is formed by pores having a radius rp<=15 nm. The invention further relates to a process for the production of the catalyst and its use for the hydrogenation of aldehydes.
Patent DE-4129200-A1 (DE)
Title: Bottle crate for beer and soft drinks - has substantially X=shaped outline, reducing number of bottles
Inventor: KIRSCHING FRANZ
IPC: B65D1/24
Filed: 1991-09-03
Abstract: The outline of the bottle crate is substantially x-shaped or drawn in on only one side so that the number of cans or bottles held is reduced from the standard 20 to 18 or 12 to 11. The sidewalls can thus be drawn in symmetrically or asymmetrically. ADVANTAGE - The crate is lighter and easier to carry.
Patent DE-4129695-A1 (DE)
Title: Universal cam gear with centrally mounted cam shaft - incorporates cam rotor and discs
Inventor: SCHMIDT KARL
IPC: F16H21/14
Filed: 1991-09-06
Abstract: The universal cam gear has a centrally mounted, rotary cam shaft (1). It rotates a cam rotor (2) and which cause the disc (3) to move eccentrically. A number of cams (7) mounted in discs (3, 6) rotate at the same ' speed and in the same direction by means of the centrally mounted cam shaft (1) and cam-rotor (2) turning with it. USE/ADVANTAGE - The universal cam gear is noiseless, long-lasting and for tool processing machines.
Patent DE-4129707-A1 (DE)
Title: Cramp activated by eccentric lever - consists of two pairs of upright arms with eccentric levers which slide along graduated rail
Inventor: HEINE ARTHUR
IPC: B25B5/06
Filed: 1991-09-06
Abstract: An eccentric lever activated cramp consists of a graduated guide rail (1) with sliding vertical clamping arms (2,3,4,5). The arms are in pairs (2,3,4,5) each pair being of a different length. There is a stop pin (6) at one end of the rail (1) and a spring lever at the other end. The object to be cramped is set between one or other pair of arms and the appropriate eccentric lever (12) is raised to squeeze the spring element (10) of the arm (2,3, or 4) inwards against the object. USE/ADVANTAGE - Cramp activated by eccentric lever has increased scope over other clamping mechanisms.
Patent DE-4131352-A1 (DE)
Title: Plates prodn. for recombination battery - coating electrode strip with mesh material and coupling in rolling operation
Inventor: NIGGL GERD
IPC: H01M10/12
Filed: 1991-09-20
Abstract: Strip formed micro glass fibre material (1) is bonded to a fibre mesh (2) by being fed from rolls. In the following step lead oxide is deposited on the material (3). The fibre mesh in a matrix pattern provides a means of gas transport within the electrodes. A pair of the formed strips are combined on either side of a conductor strip (4). Two such plate strips (5) are fed through toothed rollers (6) to provide a complete bond. A pressing operation (9) completes the formation process. ADVANTAGE - Faster and more efficient manufacturing process.
Patent DE-4135412-A1 (DE)
Title: MOS-controlled thyristor with emitter surface loss compensation - has auxiliary emitter regions in base layer under gate electrode between individual thyristor cells or groups
Inventor: BAUER FRIEDHELM DR
IPC: H01L29/749
Filed: 1991-10-26
Abstract: The MCT has spaces (12) left between individual MOS-controlled cells (MC) or clusters to compensate for losses at the emitter surface by virtue of the arrangement of auxiliary emitter regions (13) on the cathode side. These are heavily n-doped and let into the second base layer (8) without being connected to the cathode contact (2). This base layer (8) extends to the cathode surface between the auxiliary emitter region (13) and the cell (MC), covered by the gate electrode (4). USE/ADVANTAGE - For motor speed control etc. The switch-off current density of multiple cells with substantial surface area is maintained without significant degradation of breakthrough characteristics.