baber/WOPTO huggingface dataset:
Patent DE-4010612-A1 (DE)
Title: Inflatable double-lumen cylinder - for use as insertion aid made of specified lined plastic material
Inventor: KAESSER ULRICH R DR MED
IPC: A61M29/02
Filed: 1990-04-02
Abstract: A flexible inflatable double-lumen hose of plastic material (2) for use to dilate a human or animal body cavity for the insertion of instruments (oesophagoscope, coloscope, rectoscope) is attached at one end to the rounded end of a plastic guide wire (1) by reins (6) and is preferably made of PU. The inside wall carries a silicone lining (7). The inflation/deflation is effected through a hose (3), a relief valve (4) and a stop cock (5). Both the central and the annular lumen are inflated with air. ADVANTAGE - This ensures a painless, quick and non-traumatic insertion of test instruments.
Patent DE-4012402-A1 (DE)
Title: Weigher for load container on refuse collection vehicle - applies corrections to wts. falsified by departure from horizontal position of vehicle or its lifting appts.
Inventor: WUERTZ ROBERT
IPC: G01G23/00
Filed: 1990-04-19
Abstract: The effect of tilt of the raising and tipping mechanism about the longitudinal and transverse axes of the vehicle is compensated by pivoting of the weighing beams (70.1) about an axis (110) through the bearings (114,116) of the upper raising arms (22,24). A computer (90) processes the signals from a pendulum monitor (100) on the midline, proximity detectors (76) at the ends of the beams (70.1), and strain gauges (50,52) built into the lower raising arms (26,28).
Patent DE-4012466-A1 (DE)
Title: Portable alarm clock with integrated smoke detector - has self-testing of gas sensor provided by gas effusion cell
IPC: G01N33/00
Filed: 1990-04-19
Abstract: The integrated smoke detector uses a gas sensor (8) coupled to an electronic evaluation circuit, allowing the alarm to be operated. A self-testing function is provided using a gas effusion cell (7) supplied with a current via a control device (1) for releasing a defined quantity of gas sufficient to initiate a response from the detector (8), with evaluation of the signal from the latter. The alarm is activated when the gas detection is faulty. Pref. the electronic control circuit uses a complementary MOSFET circuit. ADVANTAGE - Rapid awakening of sleeping person in case of fire.
Patent DE-4012815-A1 (DE)
Title: Drive for control of rotary piston engine - has cardan joint shaft attached to piston pairs which give phase-displacement motion
Inventor: HERMANN VON ENDE
IPC: F01C1/063
Filed: 1990-04-21
Abstract: Drive for the movement control of two diametrically opposed piston pairs (A & B) in a rotary piston engine, in whose circular working chamber the pairs rotate at different speeds. Cardan joint shafts (2) are coupled to each piston pair and the shafts are so connected to each other that a phase-displaced motion is imparted to the piston pairs. ADVANTAGE - Rotary piston pump which utilises the effects of Cardan joint shafts to create a cyclically variable transmission change from the drive side to the driven side.
Patent DE-4015815-A1 (DE)
Title: Twin screw extruder with assisting screw - has additional short driven screws near extrusion zone to increase extrusion pressure
Inventor: VOIGT JUERGEN DIPL ING
IPC: B29C48/435
Filed: 1990-05-17
Abstract: A twin screw extruder has at least one assisting screw in the extrusion zone. It intermeshes with at least one of the extruder screws and is driven in the opposite direction. The flights of the assisting screw oppose those of the extruder screws. The extruder screws can have a larger dia. in the inlet and processing zones than in the extrusion zone. The shape of the housing can be modified to accomodate the assisting screw. USE/ADVANTAGE - Increases the extrusion pressure and obviates the need for a separate gear pump.
Patent DE-4017869-A1 (DE)
Title: Friction gear with intersecting axes - incorporates hollow bevel wheel set on driven output shaft
Inventor: JACOBS HEINRICH
IPC: F16H15/20
Filed: 1990-06-02
Abstract: The friction gear has rotation bodies wherein the rotation body seated on the output shaft (14) is a hollow bevel wheel (3) and the bevel wheel (1) seated on the drive shaft rolls without an intermediate member on both hollow bevel wheel faces (7,8) of which one is formed on a hollow bevel wheel flange (9) attached rotationally secured on the driven shaft (14) and the other is formed on a hollow bevel wheel flange seated as a loose flange (18) on the driven shaft (14). This hollow bevel wheel flange serves as an input of a reduction gear (26) whose output wheel (28) is attached rotationally secured on the driven shaft (14). The axes of the bevel wheels intersect at right angles.
Patent DE-4022482-A1 (DE)
Title: Assembly unit with expanding anchor and assembly tool - has collar on tool to position expanding thin walled sleeve section
Inventor: FISCHER ARTUR PROF DR
IPC: F16B13/12
Filed: 1990-07-17
Abstract: The assembly unit has a sleeve-like expanding anchor and an assembly tool for anchoring the anchor flush with the outside surface of the wall.  The anchor is provided with a longitudinal bore (4) which tapers towards the front end and has at the rear end an inner thread. At this rear end it also has an expansion (8) for forming a thin-walled sleeve-like section (9) which after the expanding body (3) has been driven in is marked through deformation by a collar (10) formed on the assembly tool.  The collar (10) can be conical and the sleeve like section (9) of the anchor can have a V-shaped flange. USE/ADVANTAGE - Visible outside check on correct positioning is now possible.
Patent DE-4023711-A1 (DE)
Title: Constructional component using concrete - comprises plates joined by oblique intermediate members
Inventor: WASENIUS BIRGER E DIPL ING
IPC: E04C3/16
Filed: 1990-07-26
Abstract: The constructional component comprises plates (1) joined together by intermediate members (2) so as to form a space which can be filled with concrete etc.. The lengthwise axes of some at least of the members include with the plates an angle other than 90 deg.. They can be parallel to each other, and some of them can be at right angles to the plates.  They can be of round, oval, or ther cross-section. USE/ADVANTAGE - Constructional component using concrete combines strength, light weight and low cost.
Patent DE-4026474-A1 (DE)
Title: Isocyanurate Gp.-contg. poly-isocyanate mixts. for PU foam prodn. - by partial trimerisation of mixt. of specified amts. of 4,4-, 2,4- and 2,2-MDI isomers contg. 0-20 wt. per cent higher poly-isocyanate(s)
Inventor: SCHOLL HANS JOACHIM DR
IPC: C08G101/00
Filed: 1990-08-22
Abstract: Liq. isocyanurate gp.-contg. polyisocyanate mixts. with NCO content 15-30 wt. % (I) are claimed. (I) are obtd. by partial trimerisation of the NCO gps. in polyisocyanate mixts. of the diphenylmethane series (II) contg. 80-100 wt. % MDI isomers (IIA) and 0-20 wt. % higher than difunctional polyisocyanates (IIB) in which (IIA) contains 40-80 wt. % 4,4'-MDI, 20-60 wt. % 2,4'-MDO and 0-8 wt. % 2-2'-MDI. - Also claimed is a process for the prodn. of (I) by trimerisation of mixts. (II) opt. with addn. of OH gp. contg. components in the presence of a trimerisation catalyst (III) to obtain the required deg. of trimerisation and then stopping the reaction with a catalyst poison. - Pref. 0-50 wt. % of the reacted NCO gps. in (I) have been converted into urethane gps.
Patent DE-4031360-A1 (DE)
Title: Coupling for eccentric screw pump - consists of flexible tube made from elastomeric material
Inventor: BOSTEL KARL-HEINZ
IPC: F04C15/00
Filed: 1990-10-04
Abstract: The eccentric screw pump has a screw rotor (9) mounted eccentrically in a stator (6) which has an internal screw thread.  The rotor (9) is driven by a shaft (2) which is supported in a bearing (1). The shaft (2) is connected to the rotor (9) by a coupling (15) which consists of a flexible tube made from an elastomeric material.  This coupling is not only torsionally elastic but is also flexibly elastic in bending.  It can thus accommodate errors in alignment between the rotor (9) and the driving shaft (1) and so eliminate the need for shafts with universal joints. USE - Screw pumps.
Patent DE-4034425-A1 (DE)
Title: Multipole plug connector for measuring or control lead - has angled housing body rotatable through 360 deg. relative to attached coupling sleeve
Inventor: KAISER WOLFGANG
IPC: H01R35/00
Filed: 1990-10-29
Abstract: The plug connector has an angled housing body (10) with an external thread (14) receiving an internally threaded ring (18) for securing the housing body (10) to a coupling sleeve (30) via a mounting (22) secured via a split ring (24) engaging in a groove (25) around the outside of the mounting (22). - The housing body (10) is rotatable through 360 degrees relative to the coupling sleeve (30) in dependence on the required position of the electrical cable lead received in a threaded bore (12) at the rear of the housing body (10), extending at 90 degrees to the axis of rotation (Z).
Patent DE-4036000-A1 (DE)
Title: Optical laser diode amplifier - has geometry selected to provide small difference in wavelength between polarisation modes
Inventor: VASSALO CHARLES
IPC: H01S5/50
Filed: 1990-11-12
Abstract: The optical laser diode amplifier is used for the transmission of signals through an optical fibre. The element has an active layer (10) that is sandwiched between two covering layers (12), with a base layer (14). The assembly is enclosed within a metallic coating (16) with conductors (18) for introduction of an injection current. The end sections from anti-reflection coatings (20). - The thickness (di) of the end region is less than the thickness (do) of the centre region and is selected to given a small difference between the wavelengths for both polarisation states.
Patent DE-4103183-A1 (DE)
Title: Pack for transporting technical appliance - consists of housing plates with outer mineral or stone wool protective covering
Inventor: GRABENHENRICH HEINZ-BERND DR I
IPC: B65D85/68
Filed: 1991-02-02
Abstract: The pack for transporting technical equipment (1) such as boilers, ovens, washing-machines etc. consists of packaging-sections for the outer surfaces of the housing. The packaging-sections consists of hhousing-plates (4) belonging to the equipment (1). The plates (4) have outer protective coating (6) facing outwards during transporting. The protective coating is made of a thick layer of mineral or sotne wool, or of recycled material. The end of the protective covering (6) sticks out beyond the housing-plates (4) to form an edging shield. The housing-plates (4) are fixed to a profiled frame (2) enclosing the appliance (1) after being used as cladding. ADVANTAGE - The appliances are packed for transport in environmentally neutral packaging.
Patent DE-4108488-A1 (DE)
Title: Ball and socket joint for motor vehicle parts - has guide element on joint ball for exact guidance of ball pivot
Inventor: TRZASKA KLAUS
IPC: F16C11/06
Filed: 1991-03-15
Abstract: The ball and socket joint is for connection of the ends of curved steering rods, bars, etc. of motor vehicles. It has a ball pivot with joint hall, and a housing to accomadate it. The joint ball (7) has guide element (14), which is rotary symmetrical to the longitudinal axis (15) of the ball pivot, and located on the side away from the ball pivot (5). The guide element projects into a housing-fastened gruide groove (10). This extends in direction of the tilting axle (4) of the tilting momentum, resulting from the curvature of the motorvehicle part. ADVANTAGE - For universal use, wear-proof.
Patent DE-4113833-A1 (DE)
Title: Driving mechanism for bicycle - has chain wheel with connected ring bodies to carry pedals
Inventor: HAEFELE JOSEF
IPC: B62M1/36
Filed: 1991-04-27
Abstract: The mechanism has at least one chain wheel (10), connected to a shaft, and two pedals, acting with the chain wheels. The chain wheel (10) is non-turnably connected to a first ring body (16) with larger external diameter. The ring is located coaxial to the chain wheel, and carries a pedal (20). The distance between the pedal and the axis (19) of the shaft (18) is larger than the external diameter of the chain wheel. The other end of the shaft is connected to a second ring or disc, which carries the second pedal. The outer diameter of the first ring corresponds approx. to the length of a conventional crank for a bicycle. ADVANTAGE - More lightweight than conventional cranks.
Patent DE-4114181-A1 (DE)
Title: Non-destructive material testing of grinding disc - using computer tomography to evaluate X=ray attenuation to determine material structure, detect foreign bodies, etc.
Inventor: HERRBACH SIEGFRIED DR ING
IPC: G01N33/40
Filed: 1991-04-30
Abstract: The differentiated spatial attenuation of the x-rays which is a measure of the differentiated structure, is detected numerically or graphically and evaluated. The structural varations, e.g. the variations in density and hardness and the presence of any defects such as foreign bodies or hollows, are determined from the variations in the attenuation. ADVANTAGE - Enables non-destructive investigation of spatial structure of body under test.
Patent DE-4119813-A1 (DE)
Inventor: AICHELE WILHELM
IPC: B23D35/00
Filed: 1991-06-15
Abstract: A cutting device for cutting flat workpieces, especially steel cord, comprises a blade and a counter-blade. The movable metal blade, which has two surfaces adjoining at an angle at its cutting edge, is pressed on the counter-blade with a pressure running transversely to the cutting force. At its cutting edge the counter-blade is blunted in such a way that it has at least three adjacent surfaces enclosing a blunted angle.
Patent DE-4121332-A1 (DE)
Inventor: WEILER WALTER DIPL ING
IPC: E03F5/16
Filed: 1991-06-28
Abstract: In a gravity sink-float separator (4) operating without an open surface, both the separated float material and the separator contents must be wholly or partially withdrawn or transported away. According to the invention, this is carried out by a pump (9) which, on the suction side, has connection lines to the mid-height region of the separator housing (4) and the sink-material discharge (3) and, on the pressure side, as connection lines to the wastewater feed pipe (5) and the clean water outlet pipe (6). The pressurised water line for the float-material disposal is taken from the feed pipe. <IMAGE>
Patent DE-4124364-A1 (DE)
Title: Internal combustion engine fuel injection valve - has valve connection security ring pref. of plastics
Inventor: GELDEC SELCUK DIPL ING
IPC: F02M61/14
Filed: 1991-07-23
Abstract: A fuel injection valve, in the air intake line (5) of an ic engine, is secured against axial and rotary motion in the fuel distribution pie (2) by a plug connection with a security clamp (3) and is sealed at this connection and in a cavity in the intake line by rubber sealing rings (6,7,8). The novelty is that a security ring (10) is fixed around the valve housing (9) of the injection valve (1) for maintaining the plug connection. Pref. the security ring (10) is made of plastics, e.g. glass fibre-reinforced polyamide, and may be integrated with plastics portions injection moulded about the injection valve (1). ADVANTAGE - The security ring prevents breakage of an incorrectly mounted security clamp and prevents metallic contact of the injection valve with the intake line even if the security clamps is omitted during fitting of the injection valve.
Patent DE-4132027-A1 (DE)
Title: Fluid magnetic treatment appts. - has double-walled rust-free tube contg. magnets and deflectors with jet-shaped hollow bodies at inlet and outlet
Inventor: STRAUB JUERGEN
IPC: C02F1/48
Filed: 1991-09-26
Abstract: Appts. to apply magnetic treatment to fluids has a housing with an inner and outer tube (1, 2) of a paramagnetic material, and pref. stainless steel with an austenitic structure. Units (3) to generate a magnetic field are between them, with deflectors (4). The fluid flows through axially, between jet-shaped hollow bodies (6) at the inlet and outlet, with flow guides (7), fixed and centered by a central rod (5). The magnet rings (3) are of permanent magnet material, pref. of lanthanum type cpds. and pref. of neodymium or samarium with a high energy density, prepd. with axial magnetising units. The deflectors (4) are of corrosion-free material with a ferrite structure. The jet-shaped hollow bodies (6) have an angle of 5-60 deg. and pref. 12-17 deg. made of a rust-free material with a ferrite structure. The flow guides (7) have a dia:pitch ratio of 1:0.5 to 1:2 and pref. 1:1.1 to 1:1.5, made with a conical angle of 3-60 deg. and pref. 12-25 deg. The flow guides (7) have drilled-out cores towards the inner side over 10-90% of the total length, and pref. 30-60%. The flow guides (7) are of rust-free material with a ferrite structure. The central rod (5) is of a non-rust material with a ferrite structure. USE/ADVANTAGE - For the treatment of water, organic and inorganic mixts. and solns. to prevent scale build-up when the liq. is heated. The appts. is easily made and fitted in place, and can be integrated with a fine filter, with only a slight drop in the water pressure as a result.
Patent DE-4132470-A1 (DE)
Inventor: WILLMANN KARL-HEINZ DIPL ING
IPC: B60T8/48
Filed: 1991-09-30
Abstract: A hydraulic braking system (1) with a device (2) for anti-lock control and to generate a differential lock by the braking action is to comprise a structurally simplified control device (53) without reducing the function. The braking system (1) with TT braking force distribution has valve arrangements (19, 20) allocated to the wheel brakes (9, 10) with an inlet valve (21, 22) and at least one outlet valve (32) for regulating the braking pressure in the braking circuit II. On the master cylinder side there is a check valve (16) in a brake pipe (13) leading to the wheel brakes (9, 10). A high-pressure pump (41) with a load valve (46) in an intake line (45) makes it possible to convey pressure medium into the brake line (13). While the differential lock is in operation through the braking action, the high-pressure pump (41) is driven; during the pressure build-up stage the loading valve (46) and the inlet valve (22) of the wheel brake (e.g. 10) of the wheel to be braked assume the admission position (46b, 22a) and the inlet valve (21) of the wheel brake (9) of the other vehicle wheel and the check valve (16) assume the blocked position (21b, 16b); during the pressure maintenance stage the loading valve (46), the inlet valve (21) of the wheel brake (9) of the other vehicle wheel and the check valve (16) are taken to the blocking position (46a, 21b, 16b); in the pressure release stage the charging valve (46) and the inlet valve (21) of the wheel brake (9) of the other vehicle wheel are in the blocking position (46a, 21b) and the check valve (16) is in the pass position (16a); in all braking pressure regulation stages at least one outlet valve (e.g. 32) remains in the blocking position (32a). The hydraulic braking system (1) is especially suitable for motor vehicles.
Patent DE-4136088-A1 (DE)
Title: Insulated barbecue lid and charcoal container -  have ceramic insulated mat, and perforated metal plate
Inventor: SCHULTZ KURT
IPC: A47J37/07
Filed: 1991-10-19
Abstract: The insulated lid and charcoal container (2) are used in an open-air barbecue. There is a ceramic insulated mat (6) underneath the lid. The charcoal container (2) is made of perforated metal plate or different types of wire fabric. USE/ADVANTAGE - The temp. inside the barbecue grill is increased to around 100 deg. C, and a better burning effect produced.
Patent DE-4136655-A1 (DE)
Title: Appts. for coating substrate with electroconductive material - comprises current source connected to cathode in evacuated chamber with target for sputtering
Inventor: SZCZYRBOWSKI JOACHIM DR
IPC: H01J37/34
Filed: 1991-11-07
Abstract: An appts. (I) for reactively coating a substrate (1) with an electroconductive material, e.g. SiO2, comprises a current source (10) connected to a cathode (5) including magnets (7, 8, 9) arranged in an evacuated chamber (15, 15a), the cathode electrically acting with a target (3), which is sputtered and the sputtered particles are deposited on the substrate (1). Two electrodes electrically sepd. from each other and from the sputtering chamber (25) are arranged, in which one is a magnetron cathode (5) in which the cathode material (11) and the material of the target (3) and electrically connected, and the other electrode acts as the anode (44) on plasma discharge. Direct current supply (10) has an electrically floating exit connected to its negative pole via a valve (45) with the cathode (5) and the positive pole with the anode (44). Parallel to the valve (45) is a resistor (46), and between the cathode (5) and the anode (44) is an induction-deficient capacitor (34), and between the anode (44) and the connection is a second resistor (47). An inductance (49) is arranged in series to the capacitor (34) in the branch line (29) to the resistance (46) and the valve (45), having a value L of approx. 15 microns He. USE/ADVANTAGE - Used to sputter materials with high affinity to a reactive gas.
Patent DE-4137175-A1 (DE)
Title: Self-rotating globe suspended from cord - uses electric motor or clockwork mechanism with drive shaft along north-south axis of globe
Inventor: LANG MANUEL
IPC: G09B27/08
Filed: 1991-11-12
Abstract: The self-rotating globe uses a slow rotating electric motor, or as electric stepping motor with an electronic control stage, having a drive shaft extending along the north-south axis of the globe and passing through an opening at the geographical north pole, provided at its tree end with a fixing for the suspension cord. The electric motor is supplied via a battery, or a solar cell on the outside of the globe. Alternatively, the globe is rotated via a mechanical clockwork mechanism which can be manually rewound. ADVANTAGE - Low operating noise level and good protection against dirt.
Patent DE-4138409-A1 (DE)
Title: Reference electrode for partial pressure measurements in high temperature medium - has protective ceramic sleeve enclosing solid electrolyte probe of small size with external connection head to eliminate water cooling
Inventor: BAUCKE FRIEDRICH G K DR RER NA
IPC: G01N27/411
Filed: 1991-11-22
Abstract: The reference electrode assembly (10) for measuring the partial pressure of oxygen in an aggressive and high temperature medium e.g. molten glass (100) has a heat resisting outer tube (30) of aluminium oxide which encloses the electrode and is a non-conductor of oxygen ions. The electrode itself is formed as a solid electrolyte of zirconium oxide with Yttrium oxide dosing and its inner end carries a contact element (20) angled to enter the molten bath (100) normal to the bath surface (110) and secured by a non-conducting bolt (60). The connection (50) head (40) is supported (90) external to the bath wall (70). ADVANTAGE - Provides a probe electrode having longer service life than conventional water-cooled alternatives. Requires much smaller entry port in wall due to small contact element which is readily inserted sideways and rotated for immersion of tip. Water cooling complexities are not required and expensive construction with danger of leaks/steam generation obviated.
Patent DE-4142183-A1 (DE)
Title: Slurry container - contains level measurement and indication arrangement with pull chord, float and indicator in frame clamped to container
Inventor: WOLTERS JAN
IPC: G01F23/32
Filed: 1991-12-20
Abstract: A level measurement and display arrangement is mounted on the container (10). A frame (54,68,74) clamped (38) to one wall of the container carries at least one direction changing roller (22,24) for a pull chord (26) connected to a float (18) and an indicator device (28) operated by the chord. The frame has a cantilever carrying the roller and a vertical column detachably connected to the cantilever. The cantilever and the column are removably attached to the clamp holding the frame to the wall. USE/ADVANTAGE - For use in cattle farms. The arrangement enables simple and accurate planning and measurement of slurry application.