baber/WOPTO huggingface dataset:
Patent DE-3943304-A1 (DE)
Title: LOcalised application of pharmaceutical to specific tissue region - by introducing electrodes at opposite ends of tissue, applying d.c. voltage, injecting active agent between electrodes
IPC: A61N1/30
Filed: 1989-12-31
Abstract: Local application of a medicament (A) comprises (1) introducing a cathode and an anode at opposite ends of the tissue to be treated, (2) introducing (A) into tissue between the electrodes by application of a d.c. voltage, (A) is confined to the region between the electrodes, i.e. the required local action is obtd. USE/ADVANTAGE - Method reduces the amt. of (A) required and prevents deleterious side effects of (A) on other parts of the body. Pref. application is treatment of tumours with cyclostatic agents which are expensive and have serious toxic side effects.
Patent DE-4001575-A1 (DE)
Title: Securing device for nut on screw - has spring element engaging on nut away from part to be fastened
Inventor: SCHULZ HANS-JOACHIM
IPC: F16B21/18
Filed: 1990-01-20
Abstract: The device is for a nut (7), screwed onto a thread (8) on a part (16, 1), which projects through the part (6) to be fastened to the nut. A securing spring element engages on one side of the nut. On the other side, the spring element (10) supports itself in/directly on a section (13) of the threaded part, which is on the side of the nut away from the part to be fastened. The section has a recess with a shoulder (13, 14, 15), to support the spring element. ADVANTAGE - Prevents uninventional loosening of nut, without damage to either part.
Patent DE-4002252-A1 (DE)
Title: Electronic module for automatic equipment - has in line edge connector with separated pins for good isolation
Inventor: SCHEMM KLAUS DIPL ING
IPC: H05K7/14
Filed: 1990-01-26
Abstract: The electronic module (1) of the type used in automation equipment has a circuit board (2) that supports a range of devices (3,4). External connections are made using an edge connector that has a profiled section base (7). Side walls (8,9,10) form two channels (11,12) within the section. The top channel provides a location for a row of contact pins (13-17), each of which has a bush (24) of insulating material and is retained in a slot (27) by a projecting lug (28).  Flexible connections (29) couple the pins to any device or point on the circuit board. The holes (23) for the pins are  spaced to provide the required electrical isolation. USE/ADVANTAGE - Provide high electrical isolation between in-line connector pins. For control, measurement and monitoring of processes.
Patent DE-4003043-A1 (DE)
Inventor: HAUTZEL VOLKER DR
IPC: C07C51/12
Filed: 1990-02-02
Abstract: 2-Hydroxy-naphthalene-6-carboxylic acid or its dipotassium salt can be obtained with high yield and high purity and without appreciable formation of the isomeric compound 2-naphthol-3-carboxylic acid by reacting potassium- beta -naphtholate with potassium carbonate in the presence of carbon monoxide at a temperature above 260  DEG C in potassium formate as the solvent.
Patent DE-4003610-A1 (DE)
Title: Automatic firearm safety device - has sliding pin acting on gas piston to hold firing pin clear
Inventor: REUDELSTERZ HELMUT
IPC: F41A17/64
Filed: 1990-02-07
Abstract: The safety device is for the firing pin of an automatic firearm, the pin being moved axially in relation to the barrel by a closing spring sleeve. The sleeve (8) is driven by the piston (12) of a gas cylinder (13). A pin (16) forming a safety catch slides axially in the cylinder under the action of a grip ring (17) on the barrel (1) and rotates about the latter's axis. A cam (19) on the ring thrusts the pin against the piston in the safe position, the piston in turn holding the pin (6) clear of the firing position. USE/ADVANTAGE - Simplicity and safe operation of firing pin of automatic firearm.
Patent DE-4003782-A1 (DE)
Title: New phospholipid liposome(s) preserved by alcohol(s) - are sterile and easy to prepare, for use in pharmaceutical and cosmetics
Inventor: GHYCZY MIKLOS DR
IPC: A61K8/42
Filed: 1990-02-08
Abstract: Phospholipid liposomes (I), preserved with alcohols, are new.  The starting material for (I) is phospholipid isolated from oil seeds, in particular phosphatidyl choline (PC), acid phospholipids (AP) and other phospholipids (OP). Pref. compsns.  contain (wt.%): 60-80 PC, 1-30 AP and 1-30 OP; esp. (a) 80 PC, 1-19 AP and 1-19 OP; or (b) 60 PC, 10-30 AP and 10-30 OP.  The alcohol is EtOH or 2-propanol, present in an amt. of 16 wt.%.  A claimed liposomal soln. contg. (I) has phospholipid content of 20% (max.), more usually 10%. USE/ADVANTAGE - (I) are important in the pharmaceutical and cosmetics industries. (I) are sterile, easy to prepare requiring no elevated temps. or ultrasound and the alcohol does not lead to destruction of the liposomal system.
Patent DE-4004187-A1 (DE)
Inventor: KUEHL HANS DIPL ING
IPC: B21C47/32
Filed: 1990-02-12
Abstract: A device for the automatic production of spring steel coils comprises a cutting station (14), a winding spindle (16) and a conveyor arm (20) reciprocating between the cutting station and the winding spindle (16) and fitted with material gripping wires (36) on the underside which are inclined obliquely forward.
Patent DE-4004781-A1 (DE)
Title: Modifying surface of natural or synthetic oxidic or silicate fillers - using organo:silicon cpds. useful in vulcanisable natural rubber mixts. to improve rubber properties
Inventor: WOLFF SIEGFRIED DR
IPC: C09C1/30
Filed: 1990-02-16
Abstract: Surface modification of natural or synthetic oxidic or silicate fillers (I) comprises using one or more organosilicon cpds. of formula: (R'n(RO)3-nSi-(Alc)m-(Ar)p)q(B) (I). In (I), B = -SCN (when q = 1) or -Sx- (when q = 2); R and R' = 1-4C alkyl, phenyl in which every R and R' is identical or different, R = 1-4C-alkyl-1-4C-alkoxy gp.; n = 0, 1 or 2; alc = bivalent, linear or branched 1-6C hydrocarbon; m = 0 or 1; Ar = 6-12C arylene gp.; p = 0 or 1 (p+m does not equal 0); x = 2-8. The novelty is that: (a) at least one organosilicon cpd. is intensively mixed with the filler at temps. less than 60 deg.C in a concn. of up to 3.5 x 10 power (-6) mol. trialkoxysilyl gps. on a square meter of filler surface; (b) followed by hydrophobising the homogenised mixt. in a preheated mixer, tempered bed or another suitable heated reaction vessel at temps. larger than 60 deg.C.
Patent DE-4006435-A1 (DE)
Title: Procedure for cleaning ground water and seepage water - bubbles of carbon di:oxide are used to carry impurities to the water surface, and emulsions and suspended solids removedact Dwg 1/3
Inventor: DOERING FALK R DR
IPC: C02F1/66
Filed: 1990-03-01
Abstract: In a new procedure for cleaning ground-water, soluble gas bubbles (PrI) are introduced into the water, and float to the surface (GSp) bringing with them the impurities container in the water.  The gas used moves the pH value of the water in the direction of greater acidity, and forms bubbles which are less buoyant than air bubbles having the same temperature.  In particular, the rate of rise of the bubbles at 20 degrees C sould be less than 0/5 m/s, and the size of the bubbles should be less than the size of air bubbles having the same temperature and pressure.  Bubbles of less than one micrometer in size should be achievable at normal conditions.  Carbon dioxide is a suitable gas, as are some mixtures of gasses which contain carbon dioxide. USE/ADVANTAGE - This invention is used in the cleaning of ground-water and seepage water, and enables the contaminated water to be cleaned in situ. of not only dissolved substances but also of emulsions and suspended solids.
Patent DE-4007843-A1 (DE)
Title: X=ray imaging device - has setting discs projecting beyond edge of setting plate defining X=ray field
Inventor: GALL ARTHUR DIPL ING
IPC: G03B42/04
Filed: 1990-03-12
Abstract: The imaging device has the x-ray field defined by a pair of cooperating plates (4,5) with marking discs (14,15) rotatable about axes (16,17)  parallel to their surface normals at a distance from the edge (18) defining the x-ray field which is less than the radius of the disc (14,15), so that the markings carried by the edge of the disc (14,15) lie in the path of the x-rays. The marking discs (14,15) are rotated in  dependance on the relative setting movement of the cooperating plates (4,5), e.g. via as intermediate parallelogram mechanism. ADVANTAGE - Setting data is visible from both sides of x-ray-
Patent DE-4008359-A1 (DE)
Title: Tris-morpholino:ethyl amine cpd. - useful as urethanation catalyst to give urethane resins and foams with little odour
Inventor: NAKASUGI NOBUYASU
IPC: C08G18/18
Filed: 1990-03-15
Abstract: An amine cpd. of formula (I) (where each R1-6 = H, methyl or ethyl) is new. Prepn. comprises cheating an alkanolamine cpd. of formula (III) and H2SO4.
Patent DE-4010734-A1 (DE)
Title: Electronic blood pressure measuring equipment - with signal processing unit only operative when dynamic pressure changes are absent
Inventor: BRAMM GUENTER
IPC: G01L19/08
Filed: 1990-04-03
Abstract: Blood pressure measuring equipment includes an applicator sleeve, a channel pumped to hypersystolic pressure and sensor, which measures the pressure in the channel and which provides an output signal for a processing unit, the novelty being that the processing unit only performs pressure measurement when no dynamic pressure changes occur. Pref. the sensor has an electrically conductive elastomeric membrane or strip structure exhibiting conductivity change on mechanical stress application, the elastomer pref. being silicone rubber contg. carbon or other conductive particles. ADVANTAGE - The equipment allows artefact-free electronic blood pressure measurement. (5pp Dwg.No.1/1)
Patent DE-4013936-A1 (DE)
Title: Optical absolute encoder for measuring angular increments - uses image information mask cooperating with CCD sensor or LED array
Inventor: RIPPEL DIETER
IPC: H03M1/30
Filed: 1990-04-30
Abstract: The optical absolute encoder has a round image mask directly applied to a rotating carrier, with constant diffuse illumination of the mask in LED's. The image information is evaluated via a CCD sensor receiving light reflected from the surface of the disc. Alternatively the mask is transparent with a concave lens behind the mask for reflection of light onto a photodiode array.
Patent DE-4014632-A1 (DE)
Title: Heating equipment for plastic laminate prior to edge forming - chamber is insulated on three sides, has fourth side for laminate heating and is mounted on stiff beam
Inventor: GIL MARCET JAIME
IPC: B29B13/02
Filed: 1990-05-08
Abstract: Equipment (E) for reforming edges of flat laminated plastic panels consists of a large chamber, pref. with a square section and heat conducting walls in which long heating elements are located. On the outside of the chamber, three of the walls have heat insulating layers on the two side walls an outer protective coating is heating surface on which the laminate to be reshaped is placed. The wall opposite the non-insulated face forms a base which is mounted on a rigid beam. USE/ADVANTAGE - (E) is used for heating the edges of laminated plastic prior to reshaping.
Patent DE-4018862-A1 (DE)
Title: Roof of motor car with convertible bodywork - consists of roll of material which can be extended over front seats
Inventor: JUERICH CLAUS
IPC: B60J7/22
Filed: 1990-06-13
Abstract: The motor car with convertible bodywork has  a folding roof formed by a roll (6) of flexible material (9). This roll is fitted under the front edge of the rear passenger seats. When required for use the roll (6) is unwound and the material pulled upwards and then forwards over the heads of the front seat occupants. The front edge of the material is provided with a stiffening strip which also serves to attach its front edge of the material to the upper edge of the windscreen. The side edges of the material are supported on the upper edges of the raised side window. The material is also supported on the front seat headrests. USE - Convertible cars.
Patent DE-4019873-A1 (DE)
Title: Hair curler for setting or permanent waving
Inventor: BUHEITEL HORST
IPC: A45D2/18
Filed: 1990-06-21
Abstract: The hair-curler (1) for use in giving a set of permanent wave consists of two bar-shaped sections (2,4) of different dias. (3,5). Between the two curler sections (2,4) is a flexible part (6) giving a permanent position to the first section (2) and made of wire (7) encased in thermoplastic material (8) such as foam (9). The end of the second curler-section (4) has at least one through-hole (10) positioned crosswise to the longitudinal axis of the hair-curler (1).
Patent DE-4022314-A1 (DE)
Inventor: RAMERT REINER DIPL CHEM DR
IPC: C07D473/40
Filed: 1990-07-13
Abstract: A process for the preparation of 2-chloro-1,7-dihydropurin-6-one which comprises the steps of: a) suspending 2-thioxanthine in concentrated hydrocloric acid, to produce a suspension; and b) contacting the suspension with chlorine, to produce 2-chloro-1,7-dihydropurin-6-one.
Patent DE-4024168-A1 (DE)
Title: Coating metallic substrates with glass ceramic mixed layer - to provide good wear, and corrosion resistance in thin coating
Inventor: TURWITT MARTIN DR
IPC: C23C14/06
Filed: 1990-07-30
Abstract: A metallic substrate is provided with a corrosion resistant and electrically insulating layer made of a mixt of a first ceramic material from AL oxide, Si dioxide Cr oxide and crystall-ine C and a second glass-like material from oxide of alkali metals, earth alkali metals, B and Pl. USE/ADVANTAGE: Coating metal substrates to be used as supports for catalysts in exhausts of combustion engines. Besides having good insulations and wear resistance the presence of the glassy layer provides good corrosion protection by preventing the penet-raion of corrosive agents into the pores of the ceramic layer.
Patent DE-4026907-A1 (DE)
Inventor: MERGEN ROBERT DIPL ING
IPC: B22D19/08
Filed: 1990-08-25
Abstract: A bearing material consists of a matrix of a metal alloy forming a monotectic system with Pb-based materials and substantially bead-shaped soft phases of a Pb-based material dispersed therein in such a way that the concentration of the soft phases increases in the matrix towards a surface of the bearing material. It is made by casting a melt containing in the mixture alloying components which form a monotectic system with Pb-based materials and alloying components which form a Pb-based material on a substrate in such a way and thus by setting the material thickness, the cooling conditions and the composition of the melt in such a way that the Pb-based material separates in the liquid state from the rest of the melt under the force of gravity and is concentrated in dispersed fashion in the lower region of the material.
Patent DE-4033333-A1 (DE)
Title: Surface treatment apparatus
Inventor: ICHINOSE KIYOHIRO
IPC: B66C1/16
Filed: 1990-10-19
Abstract: The surface treatment apparatus has a treatment zone into which a workpiece may be lowered for treatment. The apparatus comprises a jig provided with suspension member at each end. Each suspension member comprises a pair of suspension elements extending from the jig on opposite sides of the horizontal axis. The suspension elements on each side of the horizontal axis are connected to a respective common hoisting device. The hoisting devices are operable independently of each other to rotate the jig about the horizontal axis.
Patent DE-4036361-A1 (DE)
Title: Connector for medical transfusions etc. - is made of plastics by injection moulding in two stages using rigid polypropylene for 1st and elastomer in 2nd to shrink on in situ
Inventor: GLEIXNER JOSEF
IPC: B29C45/16
Filed: 1990-11-15
Abstract: For medical applications and use in a transfusion or infusion tube etc. a connector is produced consisting of a plastic body with at least one bore connected by at least one hole to the medical tube; it has a closure piece which tightly seals another hole and is made of another plastic material with greater elasticity than the first. The prod. is made in one single mould by injection moulding in two successive stages; one of the parts is made first and is left in the mould, whereupon the second polymer is injected; in the first stage the volume of the cavity filled is that of the second shot of material and by means of the use of shaped tools, and the second stage uses the first moulded shape to form the suitable final shape. Pref. polymers are (a) polypropylene for the first shot and (b) thermoplastic elastomer for the second shot. ADVANTAGE - The two-part mouldings are produced cheaply and in high quality.
Patent DE-4037545-A1 (DE)
Title: Relative position measuring appts. for two objects - has reference marks equally spaced along measuring scale enabling user to select reference marks from them
Inventor: BEER WILLI
IPC: G01D5/245
Filed: 1990-11-26
Abstract: The scale carrier has incremental divisions and several reference marks which can be secured or probed. The absolute position of a reference mark is registered by scanning several sequential reference marks. During the prodn. of the measuring arrangement the reference marks (Rn) are applied so that they extend along the length at equal distances (A) apart. Magnets (Mn) and shutters (Bn) are provided to enable separate reference marks (R1,R2,R4,R7,R11) to be selected so that only these are effective during the scanning. The absolute position of an effective reference mark (R1,R2,R4,R7) is determined from at least two effective reference marks (R1,R2;R2,R4;R4,R7;R7,R11). USE/ADVANTAGE - Measuring position of workpiece w.r.t. tool; coordinate measuring machine for determining position and dimensions of sample. Simplest way of assigning absolute position to reference marks.
Patent DE-4101665-A1 (DE)
Title: Hand driven electric machine tool - has drive motor in handle connected to driven part by connector associated with both parts
Inventor: WOLF OTTO DIPL ING DR
IPC: B25F5/00
Filed: 1991-01-22
Abstract: The hand driven electric tool has a driver in a motor cover housing, and a driven part attached to the housing. The drive motor (10) is connected to the supply voltage via a plug connector (26,27,28,29) one side of which is provided at the motor (10) and the other side is disposed directly or indirectly on the housing (12). USE/ADVANTAGE - SImple and inexpensive to assemble and use.
Patent DE-4107252-A1 (DE)
Title: Pneumatic actuator for vehicle boot lock - has union for pipe to backrest locking system, with stop valve
Inventor: RATHMANN KLAUS
IPC: E05B83/16
Filed: 1991-03-07
Abstract: The pneumatic actuator is for the luggage-space lock of a motor vehicle with central locking system. The locking devices on a folding backrest are engaged by pneumatic actuators connected to the central system. The lock has a special engaged position set by the main key in which it cannot be unlocked either by the central system or a garage key. The working chamber (1) of the actuator for the luggage-space lock has, apart from the union(2) for the dual-pressure supply of the central locking system, an union(3) for the control pipe to the backrest-locking mechanism, together with a stop valve(4). This shuts off the control pipe in the unlocking direction as long as the luggage-space lock actuator is in the locking position. ADVANTAGE - Simplicity and low cost.
Patent DE-4110590-A1 (DE)
Title: Magnetic tape recording and playback head - is mounted on disc assembly with clamping provided by coupled bolts with spring discs that is readily released for removal
Inventor: FALK GERHARD DIPL ING
IPC: G11B5/53
Filed: 1991-04-02
Abstract: The magnetic tape recording system has recording and playback pickups mounted around the periphery of a disc (10) that is located between a pair of heads drums. The disc has an integral sleeve (14) with a hole in which a clamping bush (27) is inserted. This is formed at the end of the drive spindle. At the centre of the bush is a spacer element (30) that has clamping bolts (28,29) at either end. These thread together with a loading being provided by a pair of spring discs (32,33). The discs have radial spring arms. ADVANTAGE - Provides rapid head disc change.
Patent DE-4114268-A1 (DE)
Inventor: SCHOMBURG WERNER DR
IPC: H01H13/00
Filed: 1991-05-02
Abstract: The invention relates to a process for finding the value of parameters which change the natural oscillation frequency of microstructures, whereby the microstructures have at least one diaphragm secured to their edge. It is the purpose of the invention to provide a process facilitating the measurement of temperatures, expansion, pressures, densities, flow rates, coating rates, internal mechanical stresses and moduli of elasticity on objects to be measured which are not directly accessible during measurement without having to take connections or leads close to the object during measurement. This aim is achieved by finding the characteristic natural oscillation frequency of the microstructures and detecting the value of the parameter with the aid of a calibration curve.
Patent DE-4116769-A1 (DE)
Title: Saw machinery esp. double-mitre-saw - has stationary and mobile saw devices driven by motor on carriage and feed and output devices with corresponding guideways
Inventor: LUTZ EUGEN
IPC: B23D45/14
Filed: 1991-05-23
Abstract: The saw (1) has stationary (1a) and mobile (1b) saw devices. Guide rods (3) provide guideways leading to the stationary saw while a drive motor (7) moves the mobile saw (1b) on a carriage (4) in the direction (5) of the required position. A feed and an output device are extension units attached to the double-saw for normal use. The feed device (10) is provided with a changeable guide-bar (21), adjustable guideways and clamping elements. The output device (11) has its own guideways (16) which can be connected to those of the mobile saw unit. USE - For simultaneous machining the ends of profile bars for window and door constructions.
Patent DE-4120018-A1 (DE)
Title: Appts. for minimally invasive treatment of benign prostate hyperplasia - involves adenomectomy supported by vacuum catheter inserted into urethra for suction of excess mucal secretion in regional prostate glands
Inventor: SCHUBERT WERNER DR MED
IPC: A61B17/30
Filed: 1991-06-18
Abstract: A long, hollow, cannula-type instrument (1) is used with a connection for a variably adjustable vacuum pump for enucleative measures on a prostate gland enlarged by adenomas. As a supportive measure and for preventing harm to the urethra a vacuum catheter is available, which has sieve-type cover holes in the front area for the prostate part of the urethra, in order to suck away excess manually developed secretion out of the enlarged prostate. A third measure involves a variably expandable balloon (3) for the lower rectum at the level of the enlarged prostate (6) which works with a connecting hose (4), valve (5) and pressure pump (P+). The actual enucleation and adenomectomy are effected by a laser appts. with light conductor which fits into the cannula. USE/ADVANTAGE - For the percutaneous, space-saving enucleation and adenomectomy treatment of prostate hyperplasia.
Patent DE-4120351-A1 (DE)
Title: Drawing pipe piece out of heat exchanger
Inventor: HALLER HANS
IPC: B23P19/02
Filed: 1991-06-19
Abstract: For withdrawal of a pipe piece (10) out of a heat exchanger a draw claw (11) is screwable into piece in the region of its floor. Also engageing the pipe piece are hydraulically controlled clamp jaws (14) with a holder (9) which executes a hydraulically produced tractive movement.     Acting on the pipe piece floor is a counter force corresp. to the tractive force and a sepn. device (27) is provided for sepg. a drawn part of the pipe piece. The whole arrangement is suspened pendulum fashion via a support body (4) in a holder plate (2) parallel to the pipe piece floor. On at least two arms (5) diametrically opposed on the support body are rotatably suspended hydraulic cylinders (7). The free piston rod ends of the cylinders are rotatably connect to an arm (5a) extending outwards from the clamp jaw holder (9).