baber/WOPTO huggingface dataset:
Patent DE-4110219-A1 (DE)
Inventor: VOSS BURKHARD DIPL CHEM DR
IPC: H05K1/03
Filed: 1991-03-28
Abstract: Described is a process for the manufacture of resin-impregnated carrier sheets for laminates intended for electrical applications, in particular a process for the manufacture of prepregs. The epoxy-based thermosetting resin system is free of solvent. The accelerator and the catalyst are completely soluble in the epoxy resin. Proposed for use as the catalyst is a thermolatent catalyst with a starting temperature TS preferably lying above 115  DEG C. Proposed as accelerators are phenol novolaks. The resin system is particularly suitable for application using hot-melt techniques.
Patent DE-4112175-A1 (DE)
Title: Travelling wave tube mfd. using diffusion welding - has metallised surface of helical delay line attached to ceramics support rods
Inventor: SEIDEL HARALD DR RER NAT
IPC: H01J23/16
Filed: 1991-04-13
Abstract: The travelling wave tube has a helical delay line (1) supported by spaced ceramic rods (2), with a high temp. diffusion welding connection between the delay line and the ceramic rods (2) at their points of contact. Pref. the helical delay line (1) is made of molybdenum or tungsten, with its surface coated with titanium, zirconium, hafnium, or gold or copper. The ceramic rods (2) are made of a good heat conductive ceramics material, e.g. BeO. The diffusion welding is effected at a temp. which is between 5 and 20 per cent below the melting temp. of the metal contacting the ceramic rods (2). ADVANTAGE - Improved high frequency characteristics and reliable heat conducting fixing of helical delay line to ceramic rods.
Patent DE-4113177-A1 (DE)
Inventor: TAAL CORNELIS
IPC: C23F1/26
Filed: 1991-04-23
Abstract: To prevent a tungsten heavy metal penetrator breaking up through propagation of cracks the tungsten particles in the outermost layers, after the final machining processes are completed and which may have caused initial cracking, are removed from the surface of the penetrator using a corrosive etching process. Tungsten particles adhering to the surface are subsequently removed therefrom by brushing.
Patent DE-4113865-A1 (DE)
Title: Microwave oscillator with VCO and phase discriminator - has members relating reference and output frequencies for frequency band dividing
Inventor: SCHMIDT THOMAS DIPL ING
IPC: H03L7/23
Filed: 1991-04-27
Abstract: The phase discriminator derives a control signal for the VCO from a reference frequency and that genrated by the VCO. The reference frequency (fs) and the output frequency (fo) are brought into a relectionship Ns - fo/fs such that a variation of the relationship the entire VCO frequency band can be divided into partial bands. The number of relation factors determines the number of partial bands. Pref. the phase discriminator is of a scanning type with a circuit with a variable scanning factor. Alternately, the discriminator is frequency multiplier with a variable multiplication factor and a following mixer. USE/ADVANTAGE - Microwave oscillators, with toleration of very narrow band reference signal, even for large band width of output signal.
Patent DE-4117775-A1 (DE)
Title: Densifying parts of tungsten@-copper@ composite material - by heating and isostatic pressing with inert gas of tungsten@-copper@ preforms, esp. for mfg. spark erosion electrodes for tools and dies
Inventor: NEHRDICH JUERGEN
IPC: B23H1/04
Filed: 1991-05-31
Abstract: Densifying process is claimed for parts of W-Cu saturated composite material, starting from a preform produced by mechanical pressing of W powder, thermal sintering and saturation in liq. Cu (alloy). The W-Cu preform is heated in vacuum to 1020 - 1130 deg.C, held for 1 - 15 minutes and then isostatically pressed at a pressure of 3 - 10 MPa with an inert gas medium for a duration of 10 - 60 minutes, followed by cooling. The process temp. is pref. 1060 - 1085 deg.C and the inert gas pressure medium is Ar. USE/ADVANTAGE - Used for densifying parts of W-Cu composite material, esp. high quality spark erosion electrodes for mfg. tools and dies of fine surface finish material of high density free of porosity is obtd. The spark erosion electrodes for machining sintered carbide tooling gives good surface finish, requiring minimal polishing.
Patent DE-4127899-A1 (DE)
Title: Electrical connector with phase selection, e.g. for rail mounted lighting unit - has three=phase connection bushes that can be selected by insertion of pin into slots in plug body
Inventor: KOELLMANN HANS-JOSEF
IPC: H01R4/24
Filed: 1991-08-22
Abstract: The connector has a socket unit with a main block (22) through which the three-phase wires (5-7), a neutral (20) and earth (21) wire pass. Bushes are formed in the socket to provide access (1-3) to the phase wires which are exposed (8-10) and the neutral and ground wires. The three-phase wires are set on a diagonal (23) for ease of alignment with the plug pins. Each plug pin has a U-shaped tip to for engagement, and the pins can be selectively inserted. ADVANTAGE - Simplified connection possibilities. Slim-line construction.
Patent DE-4132295-A1 (DE)
Title: Two=part piston for IC engine - has head comprising upper part and nave bulge parts
Inventor: LIPPAI ANDRE
IPC: F02F3/00
Filed: 1991-09-27
Abstract: The two-part piston has a head comprising an upper part which is of one-piece construction with nave bulge parts (9) for location of the piston pin. The two parts of the piston head are welded together, and the nave bulge parts have holes (10) in which the pin fits. The top part of the piston head has a combustion cavity (7) which is offset from the longitudinal axis of the part. The under side of the top part has a peripheral groove (5), the wall of which is eccentric to the longitudinal axis of the top part and concentric to the combustion cavity. The inner wall of the peripheral groove and the wall of the combustion cavity represent a ring-shaped web (11) which has constant thickness. USE - Two-part piston for an IC engine.
Patent DE-4134192-A1 (DE)
Inventor: IOBST KENNETH W
IPC: G06F15/78
Filed: 1991-10-16
Abstract: A process in memory chip has been designed to combine memory and computation on the same integrated circuit in a way that makes use of the bandwidth that results from the combination. The chip contains multiple single-bit computational processors that are all driven in parallel. Error correction logic is also incorporated into the chip to detect and correct errors in memory, data as they occur.
Patent DE-4137498-A1 (DE)
Inventor: JAX PETER DR RER NAT
IPC: G01M3/20
Filed: 1991-11-14
Abstract: The invention relates to a monitorable device and a procedure for sealing a body (K), in particular a refuse dump/sanitary landfill. The device has two mutually spaced seals (1, 2) between which there is located a control space (3) which is closed except for terminals, a first and a second bushing (5, 6) being connected in the control space (3) by a permeable channel or flexible tube (16) for a transport medium, to which there is connected on the output side a sensor (8) for a substance to be monitored. The invention also relates to a procedure for monitoring a device for sealing a body. It is provided that the sensor (8) is sensitive to a gas present in the body (K). A level gauge (10) for liquid is arranged in the control space (3). Moreover, a pump (11) and a pressure gauge (14) are connected to the control space (3). <IMAGE>
Patent DE-4137699-A1 (DE)
Inventor: PARADIES HENRICH HASKO PROF DR
IPC: A61K31/19
Filed: 1991-11-15
Abstract: Complexes containing S(+)-ibuprofen, method for the production of these complexes and pharmaceutical preparations containing these complexes are described.
Patent DE-4137790-A1 (DE)
Title: Object identifying recognition device - has identification mark on object as body with recess, facing spatially separate transceiver.
Inventor: SCHMIEG RAINER
IPC: G01S17/02
Filed: 1991-11-16
Abstract: The object identifier has at least one identifying marking on the object, while a transceiver for reading the marking is fitted separately from the object. The marking is in the form of a three-dimensional body (1) with at least one recess (7), facing the transceiver. Pref. several three-dimensional bodies from a line. Typically the line forms columns, or several lines and/or columns are assembled to form an information block. The recess may have a shape of multi-edge pyramid and/or grooves and/or protrusions. USE/ADVANTAGE - For railway wagons, container etc., with multi-functional recognition facility.
Patent DE-4201442-A1 (DE)
Title: Electronically controlled, directly actuated 3-way pressure regulating valve for gaseous and liquid media
Inventor: OFFENWANGER WOLFGANG
IPC: G05D16/20
Filed: 1992-01-21
Abstract: The invention relates to a pressure regulating valve which is acted on by means of an actuating element, having a valve body which has connections, leading into an internal valve space, of a pressure supply chamber and of a pressure ventilating chamber. A pressure regulating chamber is provided between the pressure supply chamber and the pressure ventilating chamber. The connection between these is controlled by an annular sealing edge and a valve piston which interacts therewith. The connection between the pressure regulating chamber and the pressure ventilating chamber is controlled by a sealing edge and a valve piston interacting therewith. The valve pistons are displaceably seated on a control slide which can be displaced by the actuating element counter to spring action and has a thickened middle piece which, in the event of displacement in one direction, takes with it one valve piston and, in the event of displacement in the opposite direction, takes with it the other valve piston. A bellows is seated between the two valve pistons. At the other end, between each valve piston and the end of the valve body, there is likewise seated a bellows which in each case encloses a prestressed helical compression spring which is contained in the interior and is supported on one side on the valve piston and on the other side on the valve body.
Patent DE-4203324-A1 (DE)
Title: Concrete anchor bolt with expanding sleeve -   whose rear edge, facing bore mouth is slightly conical and has saw-tooth cross section
Inventor: LIEBIG HEINRICH
IPC: F16B13/06
Filed: 1992-02-06
Abstract: The expanding sleeve (22) is formed from an originally flat sheet metal section and has a full length longitudinal slit. The length of the edge of the metal section forms the rear edge facing the circumferential end face (32). The face is  formed between the reduced  dia. section and remaining section of the bolt shaft (20) when the expanding sleeve is completed.Thus the inner dia. (D) of the expanding sleeve is slightly larger in the rear edge region than the outer one of the reduced dia. shaft section (30). USE/ADVANTAGE - For concrete foundations etc.,with reliable sleeve embedding and no risk of extraction during tightening.
Patent DE-4204105-A1 (DE)
Title: Electrical power supply for road vehicle - has two separate status on AC generator with control circuit to allow high voltage take off for operations such as welding
Inventor: MIGDAL VICTOR
IPC: B60R16/02
Filed: 1992-02-12
Abstract: The power supply has an AC generator output coupled to a control unit (19). The stator has a pair of windings that inductively couple with the rotor. The stator windings are electrically and inductively separate from each other such that separate outputs may be taken. A connection is made (A-D) with the battery (38) and a regulator control circuit and charge indicator drive stage (24) connect with the generator. A d.c. bridge (22) allows voltages of 110, 220 or 240 volts to be produced (EF) for welding operations when the battery is effectively disconnected. ADVANTAGE - Allows vehicle power supply to be used for high power applications such as welding.
Patent DE-4205120-A1 (DE)
Title: Balance, e.g. kitchen or domestic weighing scales - have LCD display on glass plate carrying conducting tracks connecting display to driver circuit mounted on plate
IPC: G01G23/36
Filed: 1992-02-20
Abstract: The balance (1) includes a device (3) which holds the object to be weighed, a weighing cell (4) to convert its deflection into a corresp. wt. signal, an evaluation circuit (12), a display (7) on a carrier, esp. a LCD, and a driver circuit (11) associated with the display. The driver circuit is mounted on the display carrier (8).  The transparent carrier is plate-shaped and is esp. a glass plate. The driver is connected to the display via conducting tracks, esp. on the common carrier. ADVANTAGE - Simplified construction for improved reliability.
Patent DE-4208890-A1 (DE)
Title: Assembly element for wire rolling bearing with wires in grooves - comprises rolling bodies, track wires and cage segments held together by several circumferentially distributed holders
Inventor: FRANK HUBERTUS DIPL ING
IPC: F16C19/16
Filed: 1992-03-19
Abstract: Each holder (6) is designed as a rod, pref. of a polymer material, with protruding retaining flaps (7) for the track wires (3). The holder can be separated from the two adjoining cage segments by a slight distance, but connected to the same at several moulding points. Each holder can form with the adjoining cage segment one integral cage strip and comprises three swivel parts set one behind the other in the circumferential direction.It has recesses to hold the track wires (3). The swivel parts can be connected together and to the cage segments by axially parallel film hinges. ADVANTAGE - Low-cost mfr.and easy assembly even in confined space.
Patent DE-4215009-A1 (DE)
Inventor: BRAMS PETER ING GRAD
IPC: B29C45/42
Filed: 1992-05-06
Abstract: In the case of elastomer or silicone seals produced independently of one another by injection moulding, on the one hand, and parts to be sealed having a corresponding sealing groove, on the other hand, the manual insertion of the seal into the sealing groove is complicated and time-consuming because of the soft sealing material. It is therefore proposed to remove a housing (7) provided with a groove (23) from the mould by means of a robot arm (10) and to mount said housing, in a precisely fitting manner, on a corresponding seal (2) remaining in one mould half or tool half (16) and, by means of ejector pins (25), possibly assisted by vacuum, to press, or additionally to draw, the seal (2) into the groove (23). The complete part is then removed by means of the robot arm (10) and deposited. <IMAGE>
Patent DE-4215184-A1 (DE)
Title: Detecting differential currents for fault current circuit breaker - using magnetic flux induced state change in medium not contg. secondary winding
Inventor: BAUER BERNHARD DIPL ING
IPC: H02H3/33
Filed: 1992-05-08
Abstract: The conductor being monitored is fed through an annular core summation current transducer (1) of weakly magnetic material. A magnetic flux caused by an fault current causes a state change in a medium (3), which does not contain a secondary winding. The operating point is set by premagnetisation by a uniform field premagnetisation device (4). The core has an air gap in which is arranged a magnetoresistive sensor forming the medium, e.g. a field plate. A current source is connected to the sensor and its voltage is evaluated. If the voltage exceeds a threshold a relay (10) is triggered. USE - For mains independent current protection switches.
Patent DE-4218392-A1 (DE)
Title: Prodn. of vessel of edible and/or decomposable material - by forming dough with flour, water, starch, oil and macromolecule e.g. xanthan fed to water pressing and baking
Inventor: LANG GUENTER
IPC: A23P20/20
Filed: 1992-06-04
Abstract: Prodn. of the vessel comprises feeding an agent (I) (which forms macro-molecules) to the water at an amt. of a max. of 2 o/oo sic) in relation to the dry mass of the other constituents and are mixed with it. The other constituents are then mixed in, and the completed dough is pressed into vessel shape and simultaneously baked. Pref. (I) is xanthan or carob powder is used and guar flour or pectin is mixed with the water before the input of the other constituents. USE/ADVANTAGE - The eating and drinking vessel is simple to produce. It can be eaten after use, or is easily decomposable.
Patent DE-4223957-A1 (DE)
Title: Yarn splicing - has two suction yarn stores with programmed surfaces to act on the yarn to give increased store capacity
Inventor: DALLMANN HARALD
IPC: D01H4/50
Filed: 1992-07-21
Abstract: To give an intermediate yarn store action, for splicing a broken yarn at a ringless spinning assembly, the yarn (2) is passed along a yarn store system (4, 11) under suction. Additional surfaces (7, 9) between two yarn stores (4, 11) give an acceleration, braking or release action under program control, during and/or after the yarn (2) splicing. Pref. after the yarn (2) has been spliced, and after release from the surfaces (7, 9), it is accelerated by auxiliary friction drive roller (14) at the bobbin (16), and wound round the bobbin (16) at a faster rate than the take-off rollers (3) at the spinner (1). The yarn (2) is taken frodm the first store (4) by an increased surface (7, 9) speed, and faster than the rate of the spinner take-off rollers (3). Suction is applied to the yarn (2) first at the lower store (11) and then in the upper store (4). ADVANTAGE - The technique gives an increased yarn store capacity.
Patent DE-4223983-A1 (DE)
Title: Co:polycarbonate blend for (optical) moulding, coating, etc.
Inventor: MAY MICHAEL DR
IPC: C08L51/04
Filed: 1992-07-21
Abstract: Compatible, transparent, thermoplastic polymer blend (I) consists of a copolycarbonate (II) and a methacrylate copolymer (III). (II) comprises 95-5% bisphenol A units (IIA) and 5-95% bisphenol units of formula (IIB). In the formula, R1 is H or 1-6C alkyl; R2 is 1-6C alkyl, (substd.) 5-16C cycloalkyl, phenyl, benzyl and/or 2-phenylethyl; or R1+R2 is (substd.) 4-16C cycloalkylidene; and either: (a) (III) has mol. wt. of at least 3 x 10 power(4) and consists of 99-1% methyl methacrylate (MMA) units, 1-9% (meth)acrylate ester units with carbocyclic gps. of formula CH2=C(R3)-CO-O-X (IVA) and 0-40% other alpha,beta-unsatd. monomer units (IVB); R3 is H or Me; X is Y or Q-Y; Y is opt. substd. 5-12C cycloalkyl or opt. (hydroxy)alkyl-substd. 6-12C aryl; Q is 1-6C alkylene or 2-6C oxaalkylene; or (b) (III) is replaced by an at least 2-phase impact modifying agent (V), consisting of 20-90 pts. opt. crosslinked through phase with Tg less than 10 deg.C, 80-10 pts. (III), at least partly covalently combined with this, and opt. another 0-50 pts. (III), in which case (I) contains 5-95% (II) and 95-5% (V).
Patent DE-4226246-A1 (DE)
Inventor: KUGLER KARL-HEINZ
IPC: F02P9/00
Filed: 1992-08-08
Abstract: An ignition system for internal combustion engines with a sequence of ignition sparks (FFZ) helps to avoid damaging of the internal combustion engine by the last individual ignition spark (EZ) of the sequence of ignition sparks, for example when ignition occurs in the exhaust cycle. For that purpose, the closing time belonging to a charging process (AL) for an individual ignition is deduced from a distributability limit (VG) (end of a FFZ interval), and when the thus calculated limit (11) is reached, the instantaneous charging process is completed and the individual ignition is triggered, but no new charging process is started.
Patent DE-4227231-A1 (DE)
Title: Withdrawal device for medical use - removes injection needles from syringes and comprises a cover-type component flexible to an opening of a container
Inventor: ILLICHMANN WOLFGANG
IPC: A61M5/32
Filed: 1992-08-18
Abstract: Withdrawal device for use in medical practice, and comprises cover-type component (5) fixable on an opening of a container (1) with at least one aperture, which has a first aperture section (9) into which evolves a second, narrowing aperture section, which form a clamp and withdrawal surface for removal of injection needles (2) from syringes. USE/ADVANTAGE - To remove an injection needle from a syringe and a scalpel blade from a scalpel. A multiple usage device for the removal of both injection needles from different injection systems, and of scalpel blades from multiply used scalpels.
Patent DE-4227510-A1 (DE)
Title: Illumination module with associated mounting system for suspending from ceiling - has grooves extending along profile contg. light source for accepting slidable supporting and/or carrying elements
Inventor: CUSIDO SIMON IGNACIO
IPC: F21S8/02
Filed: 1992-08-20
Abstract: Furrows (12) extend along the grooves (11) of the profile (1) of the mounting unit so that the number of furrows equals the number of grooves. The latter are measured so that inserted profile supporting (3,4) or ceiling plate (6) carrying (2) elements can be slid along them into position. The supporting or carrying elements pref. consist of two sections (21,22;31,32) integrally bound together. One section (21,31) has a shape corresp. to the groove in which it is accommodated while the other (22,32) projects from the groove and is of optional shape and can have a clamp for a rod (7) and/or a cable (5). USE/ADVANTAGE - Suitable for fluorescent tubes. Ensures even distribution of illumination. S ockets and anchorings covered so that they are not visible and mounting surface cannot be damaged.
Patent DE-4228178-A1 (DE)
Inventor: CORNELY WOLFGANG
IPC: C08G18/66
Filed: 1992-08-25
Abstract: A process for using a polyurethane-based synthetic resin system in which the system consists of an isocyanate component a) and a polyol component b) and auxiliaries and additives c) can be added to the components a) and/or b) and the polyol component b) contains an insufficient proportion of primary or secondary di or polyamines. The system is used to insert and secure roof bolts in boreholes and to that end is preformulated as a two-part system with components a) and b), possibly including auxiliaries and additives c), the components a) and b), possibly including auxiliaries and additives c), the components a) and b) are mixed together shortly before introduction into the boreholes and the mixture spontaneously undergoes an increase in its viscosity to form a gel-like substance which secures the roof bolts in the boreholes and then slowly hardens.
Patent DE-4231454-A1 (DE)
Title: Glass prod transfer table, for individual section machine - has electric servo motor drive coaxial with rotating delivery plate and damping coupling between motor drive shaft and plate
Inventor: ERTNER HELMUT DIPL ING
IPC: C03B9/453
Filed: 1992-09-19
Abstract: A component delivery station comprises (i) a rotating plate (12) for receiving stripper units; (ii) a stripping device for transferring the glass prods. from the rotating plate (12) to a conveyer; (iii) a servomotor drive (2) for rotating the plate (12) to various positions, with a drive shaft (3) coaxial to the plate (12). USE/ADVANTAGE - On individual section, e.g. glass bottle blowing machines for transferring prods. to a conveyer. The prod. has an inexpensive mechanism permitting more precise rotational movement of the table.
Patent DE-4233954-A1 (DE)
Title: Hydraulic press closure speed control system - has sensor to measure speed and position of moving platen and value is compared with set figure before varying proportional control valve
Inventor: KASHIWA MASAHIKO
IPC: B30B15/20
Filed: 1992-10-08
Abstract: A hydraulic circuit for controlling the closure speed of a press with a fixed and moving platen is described. The circuit has a pump with variable output connected to the hydraulic cylinder by an oil oil line passing through a magnetic directional control valve. The by-pass line around the directional control valve has a magnetic proportional flow control valve. A sensor determines the position or speed of the moving tool half which can be adjusted by a speed control unit. The sensor reading is compared with a set speed and the opening of the proportional control valve is adjusted to bring the speed to the set figure. USE/ADVANTAGE - The control system allows press closure speed to be varied at slow speeds without considering oil leakage and moulding pressure effect on the pressure cylinder side.