baber/WOPTO huggingface dataset:
Patent DE-3925919-A1 (DE)
Title: Acoustic transducing system with passing loudspeaker - coupled to active speaker in common housing by air movement
Inventor: WIEMANN LOTHAR DIPL PHYS
IPC: H04R3/04
Filed: 1989-08-04
Abstract: An acoustic system has a housing in which there is an electrodynamic loudspeaker (W1) receiving an input from an amplifier (V). A second loudspeaker (W2) is set on the housing wall and is coupled to a network (N) and is coupled by the motion of the air mass in the chamber to the actively drive a speaker (W1). The frequency response characteristic of the passive speaker (W2) is determined by the impedance of the network and is set to elmiminate resonances. The impedance setting provides an action that is in phase with the air movement. ADVANTAGE - Acoustic coupling provides low loss sound reproduction.
Patent DE-3927081-A1 (DE)
Title: Swing bearing with swing arm - is fixed to hemispherical bearing mounted in cup-shaped baring box with centering bead
Inventor: CHRISTMANN WALTER DIPL ING
IPC: B61B13/04
Filed: 1989-08-17
Abstract: The swing bearing has a swing-arm (5) which can move on all sides and is fixed to a semi-spherical bearing (6) mounted in a cup-shaped bearing-box (7) so that it can swing to all sides. The bearing-piece (6) is mounted between the bearing-box (7) and a centering head (9) held against it so that it pivots on all sides. The pivot movement of the bearing-piece (6) and the swing-arm (5) fixed to it is restricted and can be re-set by means of damping and return springs (10) positioned between a cover-plate (11) or a support-plate and the facing side of the bearing-head (6). USE/ADVANTAGE - The forces introduced to the swing arm can be smoothly transmitted and any changes in the length in the components being connected by the swing haring are absorbed.
Patent DE-3935155-A1 (DE)
Title: Representing object for examination esp. body part - using interfering shortwave EM beams enabling movement of sensing zone during measurement
Inventor: HECKMANN KARL PROF DR MED
IPC: G01N22/00
Filed: 1989-10-21
Abstract: A method of representing an object involves passing a narrowly focussed electromagnetic shortwave beam through it. A limited time period is stored in a computer and then the a computer is changed over to another memory which records the same period. During the second recording a second short wave beam intersects the first and interferes with it. The corresp. measured value is placed in the second memory. The two stored values are equal with the exception of the value for the beam crossing point. ADVANTAGE - Enables displacement of sensing zone during measurement.
Patent DE-3935484-A1 (DE)
Title: Machine tool for wooden, plastics etc. window frame sections
Inventor: MUELLER MANFRED
IPC: B27F1/02
Filed: 1989-10-25
Abstract: The machine tool assembly for machining window frames from wood or plastics consists of a morticing unit and a length profiling unit. A transfer unit transports the work to a second machining group complete with length profiling and conveyor units. The transfer unit (19) and the length profiling unit (11) are connected to the first machine group (9) and to the morticer (24) of the second machine group (26). The length profiling unit of the latter is at the same level besire the prolfiling unit of the first machine group.
Patent DE-3936802-A1 (DE)
Title: High mol. wt. forms of amine-contg. coenzyme prodn. - by reacting coenzyme with bis:oxiranyl cpd. and macro:molecule, giving regeneratable prods. for use in continuous enzymatic processes
Inventor: KULA MARIA-REGINA PROF DIPL CH
IPC: C12Q1/00
Filed: 1989-11-04
Abstract: Prodn. of functional coenzymes (A), contg. amino-N and having increased mol. wt., comprises (1) reacting (A) with excess of a bisoxiranyl cpd. (C), then (2) reacting the prod. with a macromolecular cpd. (B) having functional gps. reactive with epoxy residues. Pref. the (A)-(C) reaction prod. is used in stoichiometric excess relative to (B), which is particularly amino-polyethylene glycol (A-PEG) of mol. wt. 2000-50000. Pref. in the first step, excess (C) is used (to avoid (A)-(A) coupling) and the excess of (C) is easily removed by  exploting differences in solubility, although removal is not essential. Reaction is at room temp. and pH 7-11 for 1 hr. to 1 day, then the reaction prod. is reacted for a few hrs. with (B), opt. in the presence of NaBH4. An excess of (B) is used.  USE/ADVANTAGE - These prods. are used as regenerable coenzymes in continuous enzymatic processes (e.g. in an enzyme membrane reactor). They retain the biological activity of the free coenzyme and can be prepd. more quickly than known high mol. wt. coenzyme derivs. and relatively simply.
Patent DE-3937404-A1 (DE)
Title: Fork lift truck for tall stacking
Inventor: BRUNS RAINER DR ING
IPC: B66F9/08
Filed: 1989-11-10
Abstract: The tall stacking fork lift truck has the loading forks (5) on a telescopic support frame (2) which can be tilted to transfer the load to the stack and to stabilise the load during transport. The bottom of the lifting frame is extended below the pivot point (3) and is fitted with a sprung damper (12) to prevent oscillations when the forks carry loads.  The damper is in series with a servo ram (7) which controls the tilt of the frame. The spring (19) is in parallel with a damping element (20), which is usually hydraulic. The characteristics of the spring are selected to enable the damper to stabilise the frame in no more than three oscillations.
Patent DE-3937765-A1 (DE)
Title: Producing wear-resistant coating on light metal parts - using iron dispersion coating contg. silicon carbide
Inventor: MIELSCH GOETZ
IPC: C25D21/18
Filed: 1989-11-14
Abstract: Light metal components are provided with a wear-resistant coating in an electrolytic process using an electrolyte which produces a coating of silicon carbide particles dispersed in an iron support layer. The electrolyte compsn. is pref. 450-500 g/l FeSO47H2O; 30-40 g/l H3BO4; 0-0.1 g/l H2PO2; 10-45 SiC powder. The Fe powder is continually added to the dispersion bath contg. the electrolyte with a magnet keeping the Fe away from the component to be coated. The SiC particles are held in suspension by a stirrer. The electrolyte is selectively cleaned by passing through a container (14) containing steel sheets (15). Unwanted ions, are cemented out of the solution by Fe from the sheets. The electrolyte is fed from the dispersion bath (1) to the coating bath (6) via electromagnet (11). USE/ADVANTAGE - Esp. for coating parts in a combustion engine. The silicon carbide coating is more cheaply produced than prior art coating employing an Ni dispersion layer.
Patent DE-3939030-A1 (DE)
Title: Selection position indicator for switching or selection gear lever - has large area digital display element in gear knob showing single symbol
Inventor: DRAEXLMAIER FRITZ
IPC: B60K20/02
Filed: 1989-11-25
Abstract: The selection position indicator (11) for a switching or selection lever is arranged in the knob (2) on the selection lever. The indicator is mounted in a recess usually provided to accept a cover plate and consists of a single illuminated display element. The indicator is a large area digital display element and only shows a symbol corresp. to the currently selected gear ratio at any time. USE/ADVANTAGE - Esp. for use in gear levers of vehicles with manual gearboxes. Ensures large, clear, unambiguous indication of selected gear.
Patent DE-3940067-A1 (DE)
Title: New steroidogenesis-induced protein - used to treat conditions requiring stimulation of steroid production, without influencing cAMP cycle
IPC: C07K14/575
Filed: 1989-12-04
Abstract: The protein is a hormone obtained from human follicular liquid, It has a molecular weight of 60 kD (SDS-PAGE) and an isoelectric point of 4.7-4.9. The hormone stimulates steroid production by adrenal and sexual cells, without involving the cAMP cycle. Also claimed is a method for recovering the hormone by removing cellular material from human follicular liquid and treating the remainder with (NH4)2SO4 to give 80% saturation. The hormone is purified by dialysis, and then by gel chromatography and/or gel filtration, concentration, affinity chromatography, ion exchange chromatography and further gel chromatography. USE/ADVANTAGE - When administered optionally in combination with gonadotropic hormone, the new hormone can be used to stimulate Leydig cell proliferation (e.g. after tumour therapy), improve permatogenesis in patients suffering from hypogonadotropic hypogonadism, to treat idiopathic oligozoospermia, to stimulate follicle growth, induce ovulation and treat FSH-resistant follicles (all claimed), The hormone can also be used to diagnose disorders in sexual or adrenal cell function.
Patent DE-3942999-A1 (DE)
Inventor: BODENMUELLER HEINZ
IPC: G01N33/68
Filed: 1989-12-27
Abstract: PCT No. PCT/SE90/02314 Sec. 371 Date Jul. 23, 1991 Sec. 102(e) Date Jul. 23, 1991 PCT Filed Dec. 27, 1990 PCT Pub. No. WO91/10139 PCT Pub. Date Jul. 11, 1991.In order to aid in the detection of malignant diseases the sample of a body fluid is incubated with at least two receptors R1 and R2 in which a signal change is produced by binding of at least the receptors R1 and R2 to the substance to be detected in the sample solution and in which one of the two receptors contains a monoclonal antibody which binds to the amino acid sequence 311 to 335 of cytokeratin 19 and the other receptor contains a monoclonal antibody which binds to the amino acid sequence 346 to 359 of cytokeratin 19 and the signal change in the sample caused by the binding is determined.
Patent DE-4001997-A1 (DE)
Title: Metal-bonded diamond tool mfr. - using multi-cavity pressing and sintering mould
Inventor: HAHN GERHARD
IPC: B22F5/00
Filed: 1990-01-24
Abstract: Diamond impregnated engraving and grinding tool mfr. involves mixing starting materials of moistened diamond and sintering metal powder of several heavy metals such as Co, Ni, Cu, bronze, steel and the like, pouring the mixt. into a split mould, strickling, bonding to a cylindrical rod (or a support disc fastened to the rod) by soldering, brazing or adhesive bonding and then straightening. (a) starting material for several tool bodies is prepared, filled into a mould with several mould cavities and strickled; (b) the starting material is compacted at 100-500t. pressure and sintered at 700-1000 deg.C; (c) an integral disc, consisting of adjacent moulded bodies joined by intermediate flash segments and edge flash, is removed from the mould for storage and/or retail; and at the time of use, a body of the requisite size and shape is detacked from the disc, bonded to the rod or support disc of an engraving or grinding implement and straightened. A pressing and sintering mould, for use in the process, is also claimed. USE/ADVANTAGE - The process allows low cost, rapid mass prodn. of uniformly high quality tools, useful for engraving metal, glass and crystal and for machining stones and (semi-) precious stones.
Patent DE-4002292-A1 (DE)
Title: Regulating heating of storage heater - starting before lower night level stops at time necessary to attain desired room temp. and hot tap water
Inventor: JAKOB RAINER DIPL ING
IPC: F24H9/20
Filed: 1990-01-26
Abstract: The start of heating is determined by the sum of time phases (x+y) set by computation. These time phases are needed until the desired temp. (tBW) of the tap water is reached and until the subsequent heat-up of the building reaches the desired room temp. (tR). Optimisation takes place starting from the time point (c) defined by the user to reach the desired room temp. (tR). This optimisation depends on room and installation parameters at the beginning (b) of heating up the building. Optimisation also takes place starting from this beginning (b) and depending on parameters for boiler and tap-water installation at the beginning (a) of heating up the tap water. ADVANTAGE - Energy saving.
Patent DE-4005938-A1 (DE)
Title: Mechanical coupler connecting carrier to machine spindle - uses eccentrically mounted clamping element and set screw
Inventor: ARNOLD ERNST
IPC: B23B31/36
Filed: 1990-02-26
Abstract: A machine for winding electrical coils support the spool (20) on a carrier (5) that is secured onto the end of the machine drive spindle (1). The end of the spindle is enlarged to receive the guide section (6) of the carrier. Secured to the end of the guide-section a clamping element (11) is eccentrically mounted and secured by a screw (9). A tapered groove is formed that receives the tip of a set screw (12) which is radially located. When tightened the carrier is pulled axially against a the surface for accurate location.
Patent DE-4006030-A1 (DE)
Title: Child restraint system with base - has combinations of foot end, head end, end side edges forming frame with slot for straps
Inventor: MEEKER PAUL K
IPC: A47D1/00
Filed: 1990-02-26
Abstract: The restraining system comprises in combination, an infant carrier having a foot end and a head end and side edges between and the carrier having finger receiving slots in its lower face. A base has a foot end and a head end and side edges between, and pivotable fingers extending upwardly from the upper surface of the base adjacent to the side edges, adapted to releasably receive in the slots for coupling the carrier to the base. An inverted J-shaped hook in the base at the foot end receives the foot end of the carrier and cooperable with the fingers for securely holding the carrier with respect to the base at triangularly spaced points. System further includes spring member attached to each finger between its pivot and its point of contact with a slot.
Patent DE-4006080-A1 (DE)
Title: Adaptor for gun applying plastics foam - is secured by intermediate piece with groove for O=ring
Inventor: ARLT ADOLF
IPC: B05B7/00
Filed: 1990-02-27
Abstract: Plastics foam, which sets hard after being applied, is applied by means of a gun which is connected to an aerosol container by an adaptor. The inlet fitting (1) of the gun (2) has a plate (4) which is fitted with a sleeve (19) and sealing washer (5) which are secured by an intermediate piece (6). The intermediate piece has an internal and an external screw thread and has a groove for an additional O-ring (8). A replace bell shaped fitting (11) is screwed on to the external screw thread of the intermediate piece (6). This bell shaped fitting (11) has slits (12) in its periphery to receive the valve carrier (9) which is held in place by a clamping ring (13). USE - Spraying of plastics foam.
Patent DE-4007427-A1 (DE)
Title: Vacuum setting for vacuum forming of plastics - with membrane between setting chamber and central chamber leading to forming plant
Inventor: WEIGEL JUERGEN
IPC: G05D16/06
Filed: 1990-03-09
Abstract: When mouldings are to be produced from glass fibre reinforced plastic foils by a vacuum forminga technique, it is of utmost importance to set the vacuum with an accuracy of  +0.05 bar. This is done by using a central chamber which is joined via a pipe to the vacuum forming unit, and by joining the annular channel by a pipe to a vacuum pipe. A pressure setting chamber merges in a vacuum container. The latter has a tube, connected to the vacuum pipe, to which it is connected briefly by a valve. A pressure gauge is also provided. A membrane contacts the seating areas, of a  sleeve. ADVANTAGE - Achieves the desired accuracy and prevents an undue vacuum drop in a large aperture which is quickly opened. The new system is explosion proof.
Patent DE-4016577-A1 (DE)
Title: Working aid for car fitter - has cushion on travelling beam with seat above it
Inventor: EICHHAMMER JOSEF
IPC: B25H5/00
Filed: 1990-05-23
Abstract: The working aid comprises a beam with supporting surface for the user. It is equipped with travel rollers (6) and/or feet, or a slide surface on the underside. The beam (1,3) has a cushion (5) on its top surface, with a seat (8) above it. The seat can be nearer to one end, and can be mounted on a supporting arch (7) extending over the cushion. USE/ADVANTAGE - The washing aid forms comfortable support for fitter carrying out repairs on the lower part of a car body.
Patent DE-4019455-A1 (DE)
Inventor: SCHWAGER HARALD DR
IPC: C08L53/00
Filed: 1990-06-19
Abstract: Polymer mixtures containing   a) from 20 to 70% by weight of a propylene copolymer which itself comprises from 20 to 65% by weight of a propylene homopolymer and from 35 to 80% by weight of a random propylene copolymer containing copolymerised C2-C10-alk-1-enes, and b) from 30 to 80% by weight of a polyethylene having a density of from 0.94 to 0.98 g/cm<3> and having a melt flow index of less than 15 g/10 min, at 190 DEG C and a weight of 2.16 kg.   The polymer mixtures according to the invention are distinguished, inter alia, by high rigidity, high impact strength and a low tendency toward stress widening. They are particularly suitable for the production of films and mouldings.
Patent DE-4025583-A1 (DE)
Title: Water heater with gas or oil burner
Inventor: SCHMIDT ERNST DIPL ING
IPC: F24H9/00
Filed: 1990-08-11
Abstract: A water heater with a gas or oil heater burner has a metal outer cover (18) and a fireproof inner cladding (20) with a combustion shaft (10) over it. The inner cladding (20) has a web of recesses (30) facing the outer cover (18) with spacing bars (32) between, which inhibit convection. The inner cladding (20) is of heat insulating material, and the spacing bars (32) prevent air circulating in the vertical direction.
Patent DE-4030513-A1 (DE)
Title: Vehicular flashing indicator reduces switch contact erosion - takes control current for load relay coils or switching transistors through contacts of direction indicator switch
Inventor: KASTNER WERNER
IPC: B60Q1/38
Filed: 1990-09-27
Abstract: An application-specific integrated control circuit (ST) in e.g. a dual-in-line package has common input/output connections (EAL, EAR) for left- and right-hand flashing indicator lamps. These are connected through relay coils (RSL, RSR) to the fixed contacts of the direction indication switch (RS). A parallel two-pole on/off switch (WS) flashes both sets of lamps (LL, RL) simultaneously. During the pauses bteween flashes, the control circuit (ST) performs a check on the condition of the direction indicator switch (RS). ADVANTAGE - Contamination and wear of the switch contacts are reduced by a simple and inexpensive arrangement taking up little space.
Patent DE-4030997-A1 (DE)
Title: Polishing tool on shaft -  has body composed of fibre material with embedded metal particles
Inventor: OESZUET MUEMIN
IPC: B24D13/12
Filed: 1990-10-01
Abstract: The polishing body (10) is cylindrical, and has a central shaft (13). enabling it easily to be adapted to a polishing machine. It is made of felt, with fibres (11) woven to a composite unit or held together by a suitable binder medium. Very fine metal particles are embedded into the felt at the time of mfr., being metal powder granules or short fibres. They arer distributed over the total volume of the polishing body, which can also have a solid core and only an outer layer of felt and particles. The metal particles are embedded in the intermediate spaces between the felt fibres (11), and their retention can be improved by the use of a suitable binder medium. USE - For polishing workpieces.
Patent DE-4031307-A1 (DE)
Title: Actuating equipment for press or injection-tooling - has piston-cylinder unit with locking mechanism
Inventor: MUELLER HANS
IPC: B22D17/22
Filed: 1990-10-04
Abstract: Equipment for actuating jaws, cores or similar parts of press or injection tooling comprises a unit mounted on the tooling and including an actuator rod (18), on which the tooling parts are fitted and which can be moved between active and inactive positions by a pressure medium-operated cylinder (6), the rod being stoppable as required by locking segments (27) which can be moved into a disengaged position and back into their initial position by a locking sleeve, i.e. cylinder (6). The piston (13) of the cylinder (6) simultaneously forms  a locking sleeve and has, at one end, an inclined face (15) which cooperates with an inclined face of the locking segments for displacing the segments in the radial direction. ADVANTAGE - The equipment is simple and relatively inexpensive, has small size and provides effective and secure locking at relatively low hydraulic pressure.
Patent DE-4031735-A1 (DE)
Title: Limiting IC engine RPM to govern motor vehicle speed - using max. admissible engine speed or noise or fuel consumption
Inventor: SCHRAMM HERBERT DR DR ING
IPC: B60K31/02
Filed: 1990-10-06
Abstract: The method measures the vehicle's travel speed and limits it to a final value depending on a max.  admission or desired engine speed. A final value is selected for each gear stage for which the max. engine speed is not exceeded. These end values are equal. A max. engine speed may be applied only to the upper gear stages. A vehicle speed limiter (1) limits the vehicle's speed to its final value. The speed limiter may already exist in the vehicle in the form of an anti-block braking system or similar.  Actual engine and vehicle speeds are used to calculate the vehicle speed corresponding to the end value. The speed limiterr acts on the engine's fuel supply. USE/ADVANTAGE - Esp. for commercial vehicles such as trucks.  Simple fuel control without abrupt drop in power. The  limiting speed can be based on fuel consumption or noise as well as on engine speed.
Patent DE-4032761-A1 (DE)
IPC: B65D83/00
Filed: 1990-10-16
Abstract: The invention relates to a cartridge (2), shaped in the form of a plastic bag, for fitting in dispensers (1), which can be emptied by displacing the cartridge, for pasty substances (M). To achieve a solution which is advantageous, in particular, in respect of the shape, it is proposed that a weld (28) at the bottom has at least two fingers (29) which are arranged spaced apart, are located on the side of the outer wall, are filled with the substance and fold into the spacing (30) under internal pressure. <IMAGE>
Patent DE-4101719-A1 (DE)
Title: Pressure switch with bellows type actuator - has moving contact carrier in form of cantilever arm moving between fixed contacts
Inventor: HEIDEMANNS ROLF-PETER
IPC: H01H35/34
Filed: 1991-01-22
Abstract: A pressure switch has a pair of fixed contact fingers (10,11). The space between them is used by a movable contact finger (9). The end of the latter engages the projecting pin (7) of a bellows actuator (4). The bellows receives a fluid under pressure via an inlet section (5). Dependent upon the pressure w.r.t. a reference point the movable contact engages one of the two fixed contacts. For example, over pressure results in the lower contact (10) being engaged. ADVANTAGE - Simple construction suitable for p.c.b., easy to adjust switching point.
Patent DE-4102358-A1 (DE)
Title: Method of producing internal cavities in die-castings - involves placing ceramic insert in casting die
Inventor: ADLER PETER
IPC: B22D19/00
Filed: 1991-01-26
Abstract: A casting, such as the cylinder head of an internal combustion engine, is produced as a pressure die casting. An internal cavity in the casting is formed by using a tubular insert (1) which is placed in the casting die. The tubular insert is made from a ceramic such as aluminium titanate. The inward collapse of the insert is prevented by filling its interior with sand. Means are provided to fasten the insert (1) in the interior of the die. The ceramic has a modulus of elasticity of between 5 and 150 GPa. USE/ADVANTAGE - Production of pressure die castings with internal cavities with curved surfaces.