baber/WOPTO huggingface dataset:
Patent DE-3933930-A1 (DE)
Inventor: PANNING REINHARD DR RER NAT
IPC: C21D1/62
Filed: 1989-10-11
Abstract: An arrangement for controlling the cooling of rolled material is in the form of a water cooling means which is connected downstream of the last roll stand and which comprises a plurality of cooling sections which are connected in sequence in the rolling direction, wherein each cooling section comprises one or more cooling pipes, characterised in that a separate cooling water feed is associated with each of the individual cooling sections and each cooling section can be supplied only with a constant volume flow of cooling water and each subsequent cooling section in the rolling direction is designed for a fraction (e.g. a half) of the respective volume flow of cooling water of the preceding cooling section and each cooling section can be brought into the cooling process separately and/or together with the other cooling sections.
Patent DE-3936085-A1 (DE)
Inventor: BLACH JOSEF
IPC: B29C48/03
Filed: 1989-10-30
Abstract: The intention is to provide an extruder which is made up of as small a number as possible of individual parts of simple geometrical design and, in addition, allows a straight arrangement in the longitudinal direction. The barrel sections of the barrel are placed butting against one another in the longitudinal direction and are braced together by means of a plurality of tie rods. A closed frame is pushed onto each end of the barrel sections in such a way that a pressing force is exerted on the sides of the barrel sections. The frames are mounted to slide horizontally exactly on their narrow sides. 
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Patent DE-3937394-A1 (DE)
Title: Pptd. silica prodn. by hydrolysis of silicon tetra:chloride - by dropwise addn. of water or silicon tetra:chloride to other reactant which is mixed or dissolved in organic solvent
Inventor: PAULI INGO DR
IPC: C01B33/18
Filed: 1989-11-10
Abstract: Silicic acids (I) are produced by hydrolysis of SiCl4 (II) with water in the presence of an organic solvent system (III), the novelty is that either (II) or the water is added dropwise, in pure form, to the other reactant (water or (II)) which is in the form of a mixt. or in soln. with (III). (III) is e.g.  hydrocarbon, ether (e.g. THF), EtOAc, CHCl3, acetone, silicone oil, AcOH etc. or a mixt. thereof, pref. (II) is added to the aq. phase (esp. at 0-10 deg.C for prodn. of spherical (I)). USE/ADVANTAGE - The process enables the prodn. of hydrophobic pptd. silica in one step (if the solvent contains a siloxane or a silicone oil), with BET surface and particle size distribution tailored to requirements (by adjusting the process conditions), the prod. is pref. obtd. as compact 20-100 micron spheres, useful e.g. as a catalyst support, foam suppressant, matting agent, silicone rubber filler, etc.
Patent DE-3938552-A1 (DE)
Title: Crosslinking polyethylene and polyamide by organic peroxide - esp. re-use of composite packaging material
Inventor: DIESEN HERMANN
IPC: C08L77/00
Filed: 1989-11-21
Abstract: Polyethylene and polyamides are cross-linked by radical agents of formula R-O-O-R, esp. 0.001-10% w.r.t. the PE/PA mixt., of 1,3-bis(tert.butyl-peroxyisopropyl) benzene, opt with a co-reagent. R=Ph, aralkoxy, aroyl, alkoxy and/or alkyl. USE/ADVANTAGE- The PE/PA ratio is 50:50-99:1. and the material is a composite packaging film. The process gives a uniform melt, which can be re-processed.
Patent DE-4002096-A1 (DE)
Title: Lining up sides of sheets in printing machines - involves setting device controlling beat roller against draw rail
Inventor: KADNER KLAUS
IPC: B65H9/10
Filed: 1990-01-25
Abstract: The device lines up the sides of sheets in a printing machine. It comprises an oscillating beat roller, an adjustable side stop and a draw rail which can be rhythmically displaceable at right angles to the running direction of the sheet. Setting the beat roller (6) against the draw roller (3) is undertaken by a setting device (10) which can be controlled by a scanner element (8) which scans the side edge of the sheet (9) being aligned relative to the side stop (2). USE/ADVANTAGE - The sheets can be reliably aligned in a printing machine without damage even when they are of flimsy material.
Patent DE-4002229-A1 (DE)
Title: Bobbin reverse - has second shaft with friction rollers to counter-rotate bobbin to locate broken yarn end
Inventor: SPROED PETER DIPL ING
IPC: B65H67/08
Filed: 1990-01-26
Abstract: The reverse rotation mechanism for a bobbin, to locate the yarn end after a break at the winder of
Patent DE-4003680-A1 (DE)
Title: Blade arrangement for water wheel - has fixed blade base portions concave towards incoming water
Inventor: TONNE KURT
IPC: F03B17/06
Filed: 1990-02-07
Abstract: The water-wheel has two or more similar blades in the same plane on a driving shaft.  Each blade (11) has a fixed and closed base portion (17) concave towards the incoming  water. It can be convex at the rear and of V-section with flat walls (21,22) joined together at the apex (23).  Hinging extensions (18) can be mounted on the walls, swinging apart on facing the incoming water. ADVANTAGE - Minimum resistance to water when returning upstream.
Patent DE-4004130-A1 (DE)
Title: Microwave oven with wall-mounted pivotable radiant heater - equipped with one-piece microwave sealing conductor in pivot joint whose movement is limited by slots
Inventor: HOLTDIRK HANS-GERD
IPC: F24C7/06
Filed: 1990-02-10
Abstract: The multiple-wound tubular radiant heating element (4) projects into the cooking space (2) from its rear wall (7) in which the end (5) of the element is mounted on a pivot (6) comprising a tube or bolt (8) bored through its centre (9). The bearing involves two half-shells (12a, 12b) surrounding a slotted elastic seal (11) and on the other side a microwave seal (10) mfd. of conductive material with recesses for the pivot limitation slots in the nearer half-shell (12a). ADVANTAGE - Pivot mechanism is shielded from microwaves, and cracking of enamel on rear wall is prevented.
Patent DE-4004929-A1 (DE)
Title: Printing and/or text processing system housing - has upper and lower parts with stabilising flange joint for stability and torsional stiffness
Inventor: ENGEL HARTMUT S
IPC: B41J29/02
Filed: 1990-02-16
Abstract: The housing for the hardware or hardware components of printer and/or text processing systems consists of a lower housing part (1) with support elements and an upper housing part (2) which can be connected to it. A coupling and stabilising fitting (3) around the housing corresp. to the separating plane between the upper and lower parts protrudes beyond the housing profile. The fitting consists of a lower flange (4) formed on the lower housing part and a matching cover flange (5) formed on the upper part. USE/ADVANTAGE - High stability and torsional stiffness are achieved with high manufacturing efficiency and without using thick walls.
Patent DE-4006494-A1 (DE)
Title: Heating regulator programme data input and updating - updates basic temp. programme obtained from entered required temps.
Inventor: ABEL HELMUT
IPC: G05D23/19
Filed: 1990-03-02
Abstract: The programme data input and updating is used to define a variable temp. profile for the heating regulator, allowing different required room temps. to be used for different points during the day. - The user enters specified required temps. via a setting device, from which a basis profile programme is obtained with subsequent correction of the basic profile via a learning process. Different temp. programmes can be used for weekdays and weekends.
Patent DE-4007426-A1 (DE)
Title: Mowing machine adapting to uneven ground - has outer support beam fixed on inner support beam and swivelling about horizontal axis
Inventor: LEPOSA WOLFGANG ING
IPC: A01B73/04
Filed: 1990-03-09
Abstract: The mowing machine has a machine frame supporting the mowing tools. An inner support beam part is detachably fixed on a trailer block by a holder (11) consisting of at least one locking device (12) and an overload safety device (13). The latter is connected to an articulated joint (14) which on unlocking the locking device (12) allows the machine frame (2) to swivel into the transport position (17). The assembly of the upright axle (9) on the trailer block (10) is at a distance from the locking position (15). The position of the longitudinal support (18) of the inner support beam part (5) of the machine support beam (3) is relative to the upright axle (9).  It allows the machine frame (2) to occupy a position (19) where the machine frame lies for the most part inside the extension of an imaginary side limit (20), formed by the outer edge of the tractor rear wheel (21) on the machine frame side. ADVANTAGE - The machine frame adapts to the ground and  overcomes obstructions.
Patent DE-4012372-A1 (DE)
Title: Illumination set=up for high contrast display of embossed characters - uses flat or long light source with beam directed to fall in parallel along sections of raised or sunk signs
IPC: F21V11/04
Filed: 1990-04-18
Abstract: The surface (5) to be illuminated have characters raised or sunk, e.g. by engraving, embossing or hammering. A flat or surface extended along its length delivers light directed in section-fastening. The directed light can be achieved through lamellae placed in-front of the light source. The lamellae can be adjustable singly or in sections. Pref. the lamellae are arranged in two directions orthogonal to each other. The flat light source can consist of a field of point light sources of narrow directional characteristics. These sources can be arranged single or in groups. USE/ADVANTAGE - Avoids reduction in constrast arising from radical and shadow forming methods. Can also be used for testing surfaces for faults.
Patent DE-4013480-A1 (DE)
Title: Actuating unit for vehicular hydraulic antilock braking system - allows opening of one of two restraining valves beyond adjustment under pressure existing in hydraulic chamber
Inventor: WUPPER HANS
IPC: B60T8/44
Filed: 1990-04-27
Abstract: A vacuum braking servo amplifier (1) is connected to a pref. tandem master cylinder (2) in a housing (10) divided (41) into two pneumatic spaces (42,43).  In the antilock braking mode the vacuum chambers (5,45) are connected via a 3/2-way valve to a vacuum source (32) and a piston (69) is driven by the pressure difference. The pressure in a hydraulic chamber (30) prevents opening of the restraining valve (70).  A hydraulic non-return valve (77) pref. parallel to this valve (70) allows fluid to return to the hydraulic chamber (30) afterwards.  Another non-return valve (27) is formed as an electromagnetic valve. ADVANTAGE - Substantial increase in operational safety is guaranteed with possibility of emergency braking at any time.
Patent DE-4016379-A1 (DE)
Title: Method of clearing snow - involves loading it into heated container where it is melted using different forms of heating including oil, gas or microwave
Inventor: FEILHAUER KATHARINA
IPC: E01H5/10
Filed: 1990-05-21
Abstract: A method for clearing snow involves loading it into a container (1) where it is melted.   Heating equipment is installed in thee container in thee form of pipes (4) which can be laid around the sides and over the base, and alterantively, between the walls of a hollow walled container. Forms of heating can be oil or gas or microwave, and single walled (2) containers can be lagged with insulation (20). USE/ADVANTAGE - Saving in time, energy and cost.
Patent DE-4022785-A1 (DE)
Title: Low friction hard carbon-contg. layer prodn. - high high energy particle or radiation treatment of carbon source layer
Inventor: DIMIGEN HEINZ DR RER NAT
IPC: B05D3/06
Filed: 1990-07-18
Abstract: Prodn. of low friction and/or hard, wear resistant, carbon-contg. layers on a substrate comprises (i) applying a carbon source material (pref. an organic cpd. such as a resin or lacquer, esp. a phenolic reisn-based lacquer) onto a substrate; and (ii) modifying the material using energetic particles and/or radiation to produce carbon as the essential component of the resulting layer. USE/ADVANTAGE - Claimed uses of the layers are for slide layers between relatively moving surfaces, for oscillating friction pairs and for tools such as drilling, stamping, cutting or shaping tools. The process is simple and produces layers which have high adhesion esp. to steel substrates and which have a low coefft. of friction of 0.02-0.25 wt. steel under atmospheric conditions.
Patent DE-4024199-A1 (DE)
Title: Tube ring turbine system - has internal pressure generated by combustion
Inventor: WERDING HANS JOSEF
IPC: F02C3/16
Filed: 1990-07-31
Abstract: The tube ring (1) is used simultaneously as a turbine. It forms a combustion chamber, gas outlet nozzle, turbine blade, and a turbine housing. A slight twist of the tube ring ends causes the combustion pressure generated in the tube ring, to turn the ring about the symmetrical axis. USE/ADVANTAGE - Tube ring gas turbine acts without auxiliary elements, e.g. fuel pumps, valves.
Patent DE-4034432-A1 (DE)
Title: Elastomer extrusion
Inventor: SHIRAHATA ITARU
IPC: B29C48/12
Filed: 1990-10-29
Abstract: A moulded surround for the windscreen (G) of a motor vehicle consists of a main part (1) and a covering or decorative part (2), both made of extruded rubber, soft PVC or similar elastomer, both are reinforced by a stiffening insert (5) and a decorative strip (6). These two parts are bonded to each other. the thickened part (8) becomes thicker in the direction from the corners to the sides and is absent along the top joining the two sides. The groove (9) acts as a gutter for the water run-off. A machine has been designed to extrude both parts and bond them together.
Patent DE-4035404-A1 (DE)
Title: Laser beam nozzle tool - with two=part nozzle body enabling narrow nozzle electrode to be fitted
Inventor: JAGIELLA MANFRED
IPC: B23K26/04
Filed: 1990-11-07
Abstract: Nozzle for a laser beam tool in which the nozzle body (2) is split into a tip section (3) and a remaining section (4) which are joined together with an insulation adhesion layer. The nozzle electrode (16) is placed directly in contact with the tip section (3) via an insulated screw cap (18). The insulation adhesive is a ceramic adhesive. The connecting surfaces between the tip (3) and remaining (4) sections may be insulating oxide coatings or an insulating section may be inserted between the two. ADVANTAGE - The nozzle can be much narrower at its end which leads to improved cooling of the nozzle electrode as well as making its construction cheaper.
Patent DE-4038013-A1 (DE)
Title: Automatic control system for vehicle engine at traffic lights - has inductive signal loop to control on-off switching of engine from lights
Inventor: HASSLER FRANZ
IPC: G08G1/0967
Filed: 1990-11-29
Abstract: The traffic light system has a connection to an inductive loop antenna that generates an output to switch off the engine and then effect a restart when the lights change. The vehicle has a magnetic disc (a) on a wheel that maintains an induced signal in a coil (b) coupled to a relay (1). When the vehicles ceases to move the relay (1) responds and the ignition circuit relay (2) is blocked. When the lights change to green the starter is enabled via the generator and the engine is restarted. ADVANTAGE - Protects against unnecessary engine emissions. Saves fuel.
Patent DE-4038203-A1 (DE)
Title: Pharmaceutical spray-prepn. for admin. of nitrate(s) - esp. for treatment of cardiovascular, disorders, asthma, migraine and colic
Inventor: BONNACKER INGO
IPC: A61K9/00
Filed: 1990-11-30
Abstract: Spray prepn. comprises (wt.% based on total wt.) coronary active agent (0.3-5), neutral oil (9-75), 1,1,1,2-tetrafluoroethane (R134a; 20-70), as sole propellant opt. a 2-3C alcohol or or 2-9C ether as cosolvent and opt. other conventional auxiliaries, with the proviso that when the cosolvent is absent, the propellant (R134a) makes up a max. of 40 wt.% of the total wt. The active agent is a nitrate. USE/ADVANTAGE - The prepn., esp. if nitroglycerin is the active agent is used for therapy and prophylaxis of Angina pectoris, coronary infarct, myocardial infarct, coronary insufficiency, cardial long oedema, chronic Cor pulmorale, asthma, coronary sclerosis, spastic migrain and spastic bile duct colic. The amt. of active agent administered per dose is 0.4-0.6 mg for nitroglycerin or 1-2 mg for isosorbid dinitrate. The prepns are clear, homogeneous mixts. which have good storage stability and provide regular doses of active agent.
Patent DE-4041305-A1 (DE)
Inventor: HOEFER RAINER DR
IPC: C08L55/02
Filed: 1990-12-21
Abstract: The use of polyoxazolines of general formula (I): [-N(CO-R)-CH2-CH2-]n, in which R is an alkyl or alkenyl radical with 1 to 30 hydrocarbon atoms and n is such that the average molar mass for the polyoxazolines lies in the range frome 2000 to 500,000, as processing aids for olefine copolymers and plastics mixtures containing them, provides copolymers with good flow behaviour and shape retention under heat.
Patent DE-4105104-A1 (DE)
Inventor: HIRAYAMA KAZUTOSHI
IPC: G11C11/401
Filed: 1991-02-19
Abstract: A semiconductor memory device having a redundant circuit for electrically replacing a defective memory cell column with a spare memory cell column. An electric fuse (25) is connected between a precharging voltage line (VBL) and bit lines (BL,  &upbar& B). When a defective memory cell exists, the precharging voltage tries to vary through this fuse. However, this fuse is cut off, so that the precharging voltage is prevented from varying. Accordingly, data stored in the remaining memory cells are read out correctly and without delay.
Patent DE-4105253-A1 (DE)
Title: Shield advance drive arrangement for cutting mining galleries with arched profile - has propulsion machine fitted in blade shield and drill cutting pre-bore hole in core of rock wall breast, together with pivotable cutting arms
Inventor: STUCKMANN DIETER
IPC: E21D9/08
Filed: 1991-02-20
Abstract: For loading and disposal of the drilled-out material at the rock face breast, a loading device (47) with a longitudinal conveyor (48) is provided laterally next to the propulsion machine (19) in the shield (1). This loading device has a clearance unit (27) which impels the falling drilled-out material in front of the rock face breast laterally into the pick-up area of the longitudinal conveyor. The loading device is advanceable in the shield (1) by device of an advance feed unit (58) independently of the propulsion machine in the direction of the rock face breast (13) and reversible in the opposite direction. The clearance unit is formed as a transversal conveyor, pref. in the form of a vane surface conveyor or similar arranged at the rock face side end of the longitudinal conveyor with which it forms an advance feed unit. USE/ADVANTAGE - For the clearance of drilled-out material in mining gallery drilling.
Patent DE-4107215-A1 (DE)
Title: Laser PVD process control - by film prodn. and observation within particle beam microscope
Inventor: WETZIG KLAUS PROF DR SC NAT
IPC: H01J37/30
Filed: 1991-03-02
Abstract: In laser PVD process control by monitoring the individual film prodn. phase in a particle beam microscope, film prodn. and monitoring are effected in the analysis chamber (2) of the microscope by reflecting the laser beam (3) into the microscope and directing it by mirror and focussing elements onto the target surface. Films are deposited on one or more substrate holders (4,5) moved by rotational and displacement elements alternately into film prodn. and film observation positions, the target (1) displaced to avoid cratering and deleterious radiation and flux (produced by the laser treatment) being kept away from the aperture screen (6) and the detector (8) by screens (7,9). USE/ADVANTAGE - For in-situ control of laser PVD of metals, superconductive coamines or carbon onto metallic or insulating substrates. Film prodn. and monitoring are effected at the same place to reduce time and avoid the need for vacuum locks between prodn. and analysis chambers.
Patent DE-4111494-A1 (DE)
Title: Tube-post slug with sealing ring stops - has all stops except one removable in same direction
Inventor: LANG HARTMUT
IPC: B65G51/06
Filed: 1991-04-09
Abstract: The tube-post slug comprises an oblong body (11, 12, 13), on which are enclosing coaxial sealing rings (22, 31) spaced apart in the axial direction. These are held on it by detachable axial stops (47, 52, 76, 79). With one exception (76), all the stops are removable from the body in the same direction. The first ring (31), at the end of the slug (10) away from this direction, can fit on a flange (30) of predetermined external diameter being supported axially in the removal direction by a first ring (32) fitting on this flange. The second sealing ring (22) fits on an annular flange (21) supporting it axially in the opposite direction. This flange fits on a second one (20) with a second predetermined external diameter. This second sealing ring is supported in the removal direction by a second ring (23). The flanges (20, 30) are integral with the body, and the first predetermined diameter is greater than the second. ADVANTAGE - Easy removal of sealing rings when required.
Patent DE-4112164-A1 (DE)
Title: Automatic focussing for coordinate measurement equipment - detecting photoelectrical structure value using relative maximum formation of sensor difference signal
Inventor: ERBEN ALOIS DIPL PHYS
IPC: G05D3/14
Filed: 1991-04-13
Abstract: Automatic focussing of a coordinate measurement device with photoelectric structure value detection (1,2) is achieved forming a relative maximum of a sensor difference signal (3) by averaging coordinates either side of a signal maximum. The difference voltage has equal values or at the maximum and using relative displacement of the structure and sensor lens. Then the relative lens-structure position is maintained while the lens is moved perpendicularly w.r.t. the measurement table plane and the absolute maximum difference signal is used as the focussing criterion. USE/ADVANTAGE - Coordinate measurement device with photoelectric structure value detection is rapidly and accurately focussed with low equipment cost.
Patent DE-4113285-A1 (DE)
Title: Suction filter for sepg. dust laden air - from granular material partic. plastic granules
Inventor: ROTH UDO
IPC: B01D46/24
Filed: 1991-04-24
Abstract: Filter with collection chamber for sepg. granular solids, partic. granular plastic materials from the granule and dust bearing air comprises a pneumatic suction conveying installation which includes a conveying duct and a suction line. A sepn., chamber (3) for the air/material stream is arranged above the opening (4) of the collection chamber (5). The sepn., chamber (3) has an inlet opening (6) for the conveying air/material (granules + dust). An outlet opening (7) for the prod. granules is arranged below the inlet (6). The sepn. chamber (3) further possesses two, vertically spaced, suction outlets (8,9) for the dust laden air, the suction outlets (8,9) are connected with the suction line (12), and there is at least one filter element (14) upstream of the suction outlets (8,9) of separation chamber (3), where the filter mesh size is less than the particle size of the product material to be separated. USE/ADVANTAGE - Compact, energy efficient, separator which obviates the need for a cyclone separator on the collector vessel by producing a velocity reduction which furthermore reduces secondary dust formation otherwise caused by mutual abrasion of granules.
Patent DE-4113924-A1 (DE)
Title: Fixture assembly for bolt - has metal internally threaded dowel, and plastic dowel assembly for bolt mounting
Inventor: STOFFEL HELMUT
IPC: F16B13/06
Filed: 1991-04-29
Abstract: The assembly comprises a plastic dowel and a metal dowel (4) for mounting a bolt shaft with an external thread, which meshes with an internal thread in the metal dowel. The metal dowel has a recessed collar (15) which fits in a corresponding recess area (10) in the plastic dowel (3). The fixture is assembled by turning the bolt shaft in the plastic dowel. ADVANTAGE - Higher load bearing ability, allows for frequent bolt removal.