baber/WOPTO huggingface dataset:
Patent DE-3916014-A1 (DE)
Title: Hydraulically actuated riveting tool - has line of action of hydraulic piston offset from line of action of tool
Inventor: WOESSNER JOHANNES DIPL ING
IPC: B23P19/02
Filed: 1989-05-17
Abstract: The device is for setting rivets or embossing workpieces. It has a first L-shaped frame (6') with the lower tool (4') mounted at the end of the horizontal arm. The vertical arm forms a hydraulic cylinder and encloses the actuating piston (8'). This vertical arm also forms a guide for a slide (7) which forms part of a second L-shaped frame (6'). This second frame (6'') has the upper tool (4'') mounted at the end of its horizontal arm. The slide (7) is connected by a transverse pin to the piston rod of the hydraulic piston (8'). The line of action of the hydraulic piston (8') is parallel to but offset from the line of action of the upper tool. USE - Rivetting tools for use with industrial robots.
Patent DE-3919068-A1 (DE)
Inventor: LEHMKUHL HERBERT PROF DIPL CHE
IPC: C25C3/18
Filed: 1989-06-10
Abstract: The invention relates to organoaluminum electrolytes for the electrolytic deposition of high-purity aluminum, which are characterized in that they contain mixtures of organoaluminum complex compounds of the type MF . 2 AlR3 (A), wherein M represents potassium or mixtures of K with a maximum of about 15% by mole of sodium, as well as trialkylaluminum AlR3 (B) which has not been complexed to an alkali metal fluoride in a molar ratio of A : B of from 4:0.6 to 4:2, as well as a polyfunctional Lewis base of the type R min -OCH2CH2-OR sec  (C) in a molar ratio of B : C of from 1:0.5 to 1:1. The organyl radicals R in A are ethyl groups (Et), methyl groups (Me) and iso-butyl groups (iBu) in a molar ratio of Et:Me:iBu as 3:m:n, wherein m and n are numerical values of between 1.1 and 0 and the sum (m+n) is from 0.75 to 1.4. As the solvent for said electrolytes there are used from 3 to 4.5 moles, relative to the amount of alkali metal fluoride employed, of an aromatic hydrocarbon which is liquid at 0 DEG C or a mixture of such hydrocarbons. The invention further relates to a process for the electrolytic deposition of high-purity aluminum by using said electrolytes.
Patent DE-3922062-A1 (DE)
Title: Electric connector with contact and counter contact - has contact separator between welding and contact connecting points
Inventor: RILLING HEINZ
IPC: F02M51/02
Filed: 1989-07-05
Abstract: The countercount is coupled to the contact via a welding point (77), next to which a contact connecting point (83) is formed.  Between the two points lies a contact separator (78).  Pref. a soldered connector (80) forms the contact connecting points.  The contract (21) and the countercontact (42) are of flat configuration (39,43) with their wide sides (41,74) in opposition. The contact separator may be formed as a zone of reduced cross section at least one flat contact.  The solder point of the contact may have fasteners (48,54) for securing to a support (22).  The fasteners may be embedded in the support plastics material. USE/ADVANTAGE - Aiv in-take measurer for i.c. engine.  Simple contact connection even after loosening of welded coupling point.
Patent DE-3923688-A1 (DE)
Title: Lock for motor vehicle door - is actuated by crankshaft which rotates in one direction only
Inventor: BAIER JOACHIM
IPC: E05B81/24
Filed: 1989-07-18
Abstract: The lock of a car door is actuated by a slider (11) which is connected to the lock mechanism by the bar (12).  The slider (11) is actuated by a crankshaft (16) which has a crankpin (18) which engages stops (13,14) formed on the slider (11). The crankshaft (16) always rotates in the same direction.  When the crankpin (15) engages the upper stop (13) the slide is driven to the right until the crankpin (15) moves out of contact with the stop and reaches its mid-position.  In this position of the crankpin (15) the slider (11) can be moved manually. Further rotation of the crankshaft (16) brings the crankpin into contact with the lower stop (14) and moves the slider to the left. As the crankshaft (16) continues to rotate a recess (36) in a cam (35) comes into line with a spring loaded locking pin and enables it to be pressed downwards to engage serrations (19) and lock the slider (11). USE - Locks for motor vehicle doors.
Patent DE-3933260-A1 (DE)
Title: Roller, especially for rolling mills and steel works
Inventor: KEHNE LOTHAR
IPC: B21B17/14
Filed: 1989-10-05
Abstract: The roller has an axial boring which contains a stepped shaft, and is rigidly fixed to the centre section of the shaft. Hollow stub shafts are fitted on splines on the outer sections of the shaft and can move axially, their inner ends being connected to the roller body by a screw thread. These stub shafts can be rotated relative to the roller and so extended into splined holes in the centre of the inner races of bearings mounted in rolling mill frame. The stub shafts may alternatively be extended by a hydraulic system, and as a further alternative the stub shafts may be fitted in the mill frame instead of in the roller. An axial position adjusting device is also proposed. A drive motor may be incorporated into the roller. A system of rapidly exchanging rollers by providing several different roller pairs on a turntable is also claimed.
Patent DE-3940292-A1 (DE)
Title: Two-component adhesive process - by pressing together flexible resin and hardener layers contg. the separate components, to form hardened bonding layer
Inventor: BUSER HANNS
IPC: C09J5/04
Filed: 1989-12-06
Abstract: Process for applying 2-component adhesives (I) consisting of synthetic resin and hardener, comprises bridging together a flexible resin laeyr contg. one adhesive component and a flexible hardener layer contg. the other adhesive component, and pressing the two layers closely together over the whole surface to produce a hardened resin layer. (I) is claimed as such, comprising a cover film to which the synthetic resin is applied and which has, on the application side, a surface layer which repels adhesive components, and a self-adhesive film to which the hardener is applied and which easily adheres to the substrate. USE/ADVANTAGE - A 2-component adhesive system which can be applied to the bonding surfaces in a constant mix ratio without special spray equipment and without the constrains due to limited working time; resin and hardener are applied in the exact amts. required and in absolutely even layers, without any skin contact (contrast prior-art systems). Thick layers can be built up to fill spaces as above, so the system can be used as a partial filler, e.g. in automobile bodywork, boat construction, repairs etc.
Patent DE-3940317-A1 (DE)
Title: Diving mask with drainage system - has inner auxiliary mask connected to throat of venturi water-drainage tube
Inventor: BAHNS ERNST DR
IPC: B63C11/22
Filed: 1989-12-06
Abstract: The diving mask incorporates an inner auxiliary mask.  It has an automatic lung unit and mean pressure chamber, together with a drainage system emptying water from the interior. The interior (11) of the auxiliary mask has a connection (19) to the throat (18) of the Venturi tube (14) forming the drainage system. The tube can be connected at one end to the mean pressure chamber (2), and at the other to the surroundings via a non-return valve (17) opening towards them. USE/ADVANTAGE - Improved de-watering of mask.
Patent DE-3941822-A1 (DE)
Title: Ring spinning frame - has automatic changeover mechanism on roving bobbin supply creel
Inventor: MACK KARL-HEINZ
IPC: D01H13/24
Filed: 1989-12-19
Abstract: On a spinning frame wth an overhead creel for rovings, with a service robot running alongside in order to effect a changeover to a full bobbin when one bobbin is almost empty, this is effected by means of equipment to sense the correct timing, with the introduction of a new end to follow the old. The service robot pref. runs parallel to the spinning frame, with the drafting zone fed from roving suspended fron the creel. The track assembly brings full rovings form the flyers, and the robot removes them, loading the creel. ADVANTAGE - The changeover is simplified and ensures spinning continues without loss of roving, or the necessity to re-thread through.
Patent DE-4001541-A1 (DE)
Title: Electro-optical LC system
Inventor: FINKENZELLER HANS-ULRICH-RUDOL
IPC: C09K19/54
Filed: 1990-01-19
Abstract: (+1.11.89(2), 9.12.89, 10.1.90(2), 12.1.90, 16.1.90, 19.1.90(3), 22.1.90, 23.1.90, 25.1.90-DE-936307/8, 940788, 000470/1, 000723, 001023, 001539, 001540/1, 001683, 001843, 002146) Electro-optical LC system comprises a dielectrically positive LC mixt. (LCM) and another optically transparent medium (M2) between 2 electrodes which may be mounted on substrate plates; the LC mols. have an irregular orientation in the "off" state one of the refractive indices of LCM matches that of the matrix (nM) and/or the ratio of the masses (LCM):(M2) is 1.5 or above, and the system shows reduced transmission in one of the switching states w.r.t. the other state, irrespective of the polarisation of the incident light; the novelty is that LCM contains cpd(s). of formula (I). In (I), Q1 = A1-Z1-(Z2-Z2)m- (with A1, A2 = trans-1,4-cyclohexylene (Cyc), 1,4-phenylene (Phe), 2-fluoro-Phe or 3-fluoro-Phe; one of the gps. A1 and (if present) A2 can also = pyridine-, pyrimidine-, 1,3-dioxan- or tetrahydropyran-2,5-diyl, or naphthalene-2,6-diyl; Z1, Z2 = single bond, CH2CH2, COO, OCO, -CC-, and/or CH2O; m = 0, 1 or 2); Y, X = H or F; one gp. X or Y can also = Cl; W = CN, Cl, F, CF3, OCF3, OCHF2, NCS or R2 (with R2 = as for R1 below); R1 = 1-12C alkyl, opt. with 1 or 2 non-adjacent CH2 gps. replaced by O or CH=CH.
Patent DE-4006810-A1 (DE)
Title: Semi-trailer for liq. loads - has cylindrical main tank and separate shaped forward tank
IPC: B60P3/22
Filed: 1990-03-05
Abstract: The main tank (1) of the semi-trailer tanker has a cylindrical shape supported on the rear axles, and with a low centre of gravity. The forward tank which sits over the trailer coupling has a flattened underside and a cylindrical upper part. The forward tank is not pressure proofed as is the main tank. The forward tank has a floor sloping towards the front of the main tank and is braced by a subframe (10) on the underside. The subframe supports the retracting struts. The main tank is slightly conical, with a floor slope slightly towards the front. USE/ADVANTAGE - Tank semi-trailer on goods vehicle, carrying liq. gives improved safety for main load, with self supporting structure.
Patent DE-4007088-A1 (DE)
Title: Wall plug or dowel - with spreadable section comprising hollow part with slits at end which spread and deformable section at centre
Inventor: BERNAUER ERICH OSWALD
IPC: F16B13/00
Filed: 1990-03-07
Abstract: The wall plug has a part (2) which spreads with pressure to fix the plug in a cylindrical or conical bore hole (17), forming a conical section. The wall plug has a long shell with bore hole (17) running axially along it (17) and has a inner thread (4), and it narrows as it nears the end. In the region of  the front end, are long slits (2) which spread out when the insert (7) which applies the spreading force is driven home. Next to the insert (7) is a second insert (11) to equalise the spreading pressure. The second insert (11) also has a bore running through it and forms a ring reinforcement or continuous body (12) to the rear of the thread, so that the plug does not deform in the thread section when the securing screw (15) is driven  in, but deforms after reaching the highest possible spreading pressure in the spreading region of the wall plug (1) in the region of the bore lining (10), forming a spread, compressed or seamed deformation (16) between the screw (15) and spreading insert (7). USE/ADVANTAGE - Wall plug or dowel. The pressure equalising insert works effectively against the spreader insert.
Patent DE-4009845-A1 (DE)
Inventor: OGUMA TOMIO
IPC: A61L12/04
Filed: 1990-03-27
Abstract: Apparatus for the treatment process comprises a container 2 for contact lenses W. A stirrer 3 for liquid in a treatment chamber 10 comprises rotary blades 34. Means for feeding cleaning, rinsing and sterilising liquids comprises tanks 50, 51, 52 above the level of the container 2, and valves 55, 56, 57 whereby the liquids may be fed separately in sequence. Means for discharging the liquids comprises a valve 61 and a tank 62. The container 2 has top holes 251 and bottom holes 211 and radial slits which together with grooves 110 permit liquid circulation. <IMAGE>
Patent DE-4011188-A1 (DE)
Title: Stand for supporting clock gauge on machine tool - has hydraulic clamp to retain arms in required positions
Inventor: HOERGER HANS
IPC: B23Q1/52
Filed: 1990-04-06
Abstract: The pieces produced on a machine tool are dimensionally checked by a clock gauge whilst the workpieces are still on the machine.  The clock gauge is supported on a stand which has two inner arms (1,2) which are pivoted together by a special bolt (5).  Each arm has a second arm (17) attached to its outer end by a ball joint. The bolt has an axial bore for a piston (10).  When the clamping screw (9) is rotated, the piston forces oil through passageways in the bolt so that an axial clamping force is exerted on the arms.  In addition oil is forced through the longitudinal holes in each arm to exert a clamping force on the ball joints of the outer arms.
Patent DE-4011803-A1 (DE)
Title: Ferroelectric liq. crystal mixts. - contain at least 2 components, at least one of which is a complex ligand for ions, esp. cations
Inventor: ESCHER CLAUS DR
IPC: C09K19/52
Filed: 1990-04-12
Abstract: Ferroelectric liq. crystal mixts. (I) are claimed, consisting of at least 2 components, at least one of which is a complex ligand for ions (II). More specifically (II) are complex ligands for cations, pref. electrically neutral cpds. which complex cations and contain at least 2 N- and/or O- and/or P-donor centres; (II) are medium- or macro-cyclic cpds., namely cryptands, coronands, podands, bicyclic cpds. with at least 2 N atoms, or bicyclic or tricyclic cpds., pref. with at least 2 N atoms and at least 4 C atoms; (I) contains at least 2 different ligands (II), pref. at least one ligand for alkali and/or alkaline earth ions, esp. pref. at least 2 different complex ligands for different cations; (II) is a cpd. of formula (III) or (IV). In the formulae Z = O or S; m, n = integers above 0; m + n = 2-6; X1, X2 = Z, NR, -Z-(o-phenylene)-Z-, -Z-(1,2-cyclohexylene)-Z-, or X1 and X2 together = =N-CH2(CH2-Z-CH2)1-CH2-N=, =N-CO(CH2-Z-CH2)1-CO-N= or =CH-CH2(CH2ZCH2)2-CH2-CH= (with R = 1-15C alkyl or alkoxy, Ph, benzyl or -COPh; l = 1 or 2); R1-R4 = H, 1-12C alkyl, p-tolyl, Ph, -CH2-(p-phenylene)-COOH or benzyl; p, q, r, s = 2-4; p + q + r + s = 8-16; (I) contain 0.01-10 mol.% (II) and have spontaneous polarisation at least 35 nC/cm2.
Patent DE-4033661-A1 (DE)
Title: Controlling thickness of extruded thermoplastic sheet
Inventor: HALTER HARTMUT
IPC: B29C43/24
Filed: 1990-10-23
Abstract: Ribbon of synthetic thermoplastic which cools to form a sheet of prescribed thickness is produced by extruding a strand (1) of the thermoplastic having constant rheological properites and feeding it into a shaping rolling mill having at least one feed roll (2) with means (4) for measuring its rolling pressure. The readings (5) are fed into a control circuit which regulates the thickness of the ribbon or sheet. A parameter proportional to the measured rolling pressure on the feed roll is used as the actual thickness reading for the ribbon. The gap setting in the rolling mill is adjusted to a specified target and held constant and the speed of the rolling mill is regulated by the control circuit to maintain the prescribed thickness.
Patent DE-4038262-A1 (DE)
Title: Vacuum cleaner with housing fixed at guide tube provided with connecting cable - has cable hook arranged at guide tube in fixing region of housing so that it can swivel and be locked by housing in position accepting connection cable
Inventor: KESS HERBERT
IPC: A47L9/26
Filed: 1990-11-30
Abstract: A second cable hook (6) is provided at a distance to the first cable hook (5). The latter is designed as a double arm lever (7, 8). Both arms (7, 8) extend away from the swivel axis (9) of the cable hook (5). One lever arm (7) accepts the connection cable (4) and the other lever arm (8) is locked in a recess (11) provided at the housing (2) of the vacuum cleaner (1). The end (10) of the other lever arm (8) is arc shaped. The first cable hook (5) is swivelled by spring loading. The second cable hook is arranged at the housing of the vacuum cleaner. The second cable hook is arranged so that it can swivel at the guide tube (3), and is held by locking in its position accepting the cable. USE/ADVANTAGE - Vacuum cleaner with housing fixed at guide tube. Removal of housing is not prevented by wound-up cable.
Patent DE-4041978-A1 (DE)
Title: Pneumatic or hydraulic motor - functions at choice of pressure gas or pressure fluid, usng pressure difference between pressure chamber and pressure unloaded chamber
Inventor: POENISCH ACHIM
IPC: F04B43/12
Filed: 1990-12-21
Abstract: The pneumatic or hydraulic motor has displacement and rotation bodies, and on the inner cover surface of a pipe (1) two or more elastic hoses (2a, 2b) are laid over 360 deg. The narrowed ends of the hoses issue into two parallel adjacently located connecting pieces (8,10) passing outwardly through the pipe (1). A roller (3) rolls over the hoses pressing them together, and is fitted via a lever arm (5) to a driven shaft (6). The hoses are angularly displaced in relation to one another. USE - As a pneumatic or hydraulic motor.
Patent DE-4108869-A1 (DE)
Inventor: HETTICH BERNHARD DR
IPC: H01L39/24
Filed: 1991-03-19
Abstract: The invention relates to an oxide-ceramic superconducting material which contains bismuth, strontium, calcium and copper, having an overall composition of BiyCa2Sr2Cu3Ox, where y is an integer from 2.35 to 2.6 and x is about 10 to 12. The material has a critical temperature T above 105 K and has a proportion of the phase Bi2Sr2Ca2Cu3Ox of at least 85% by volume. The invention also relates to a process for producing a bismuth-containing superconducting material which comprises holding the oxides or oxide precursors of bismuth, strontium, calcium and copper at a temperature in the range from 850 DEG  to 890 DEG  C. over a time span of a plurality of hours and adhering to the following atomic ratios: Bi:Cu>2:3 Ca:Sr=0.9 to 1.50  SIGMA (Sr+Ca):Cu=4.2:3 to 4:3.33 Bi: SIGMA (Sr+Ca)=2.35:4 to 3.1:4
Patent DE-4112077-A1 (DE)
Title: Programmable logic device - has remotely switchable delay element between input gating circuitry and macro cell pin driver
Inventor: ENGL BERNHARD
IPC: H03K5/131
Filed: 1991-04-12
Abstract: The modified programmable logic device (PLD) comprises input gating circuitry (11, 12), a macro cell (24) and switchable delay elements, formed here from a delay circuit (14), two switches (15, 18) and a differentiator (20). The delay removes glitches by comparing a direct output from the input gating circuit OR-gate with a version of the signal that has been passed through a series of NOT-gates (13) and stores the signal on an R/S flip-flop. Either the output from the latter or the original input gating output are selected by a remotely controlled switch (16) and passed to the second switching circuit (18) where a second remotely controlled switch (19) selects between the instantaneous output of the first switching circuit (15) and a latched version of the same. This signal is then differentiated by NOR-gating the output of the second switching circuit with NOT-gated version of the same output and passed to the parallel drive elements (22, 23) of the macro cell. ADVANTAGE - Switchable delay unit enables new-technology programmable logic devices to be fully compatible with previous designs.
Patent DE-4115396-A1 (DE)
Title: Hydrogen@ electrode used for gas sensor - contains hydrogen@-filled hollow glass microspheres
Inventor: HAMBITZER GUENTHER DR
IPC: G01N27/30
Filed: 1991-05-13
Abstract: In a hydrogen electrode with a container contg. an electrolyte soln. into which a contact element extends, the container also contains hollow glass microspheres (7) filled with hydrogen under pressure, pref. more than 100 bars (at room temp.). Novel gas sensor comprises hydrogen electrode and a porons electro-catalyst which contacts the electrolyte soln. (10) and the gas being tested. USE/ADVANTAGE - The electrode is a standard hydrogen reference electrode useful in a gas sensor, esp. an oxygen sensor for determining oxygen contents in protective gases, combustion gases, respiratory air, and liqs. such as waste waters. It has low current requirement and high potential stability.
Patent DE-4116146-A1 (DE)
Inventor: BASTGEN WENDEL DIPL ING
IPC: C02F11/123
Filed: 1991-05-17
Abstract: In a process for removal of water from suspensions or similar muddy mixtures, in particular effluent sludges, a belt filter press formed by filter belts, bearing the effluent sludge, is charged with a crumbly dry substance which has been produced by drying from the solid discharged from the belt filter press. 
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Patent DE-4116471-A1 (DE)
Title: Automatic testing for cracks in ceramic and metal products - involves applying mechanical energy via inputs and measuring structural changes acoustically via sound in air and=or solids
Inventor: KOTTERBA BENNO DR ING
IPC: G01N33/38
Filed: 1991-05-19
Abstract: The testing method involves subjecting the products either once or repeatedly to a natural mechanical load of suitable dimensions. Structural variations or disturbances are detected. A dynamic vibration stimulation causes a structural change which is measured as an acoustic change. Mechanical energy is fed into the product as impacts and is measured acoustically using measurement of sound in air and/or solids. USE/ADVANTAGE - Full, automatic quality checking of ceramic or metal products for presence of cracks without hindering or delaying production process.
Patent DE-4116954-A1 (DE)
Title: Thermostatic mixing valve unit e.g. for domestic shower or bath - performs regulation of flow and temp. where hot and cold supply pt. positions are reversed w.r.t. standard configuration
Inventor: KAHLE DIETER
IPC: G05D23/13
Filed: 1991-05-24
Abstract: The thermostatic warm water mixing unit requires the hot and cold water to be supplied in a standard arrangement (hot on the left, cold on the right). This can imply extra plumbing effort, e.g. where adjacent bathrooms in large buildings are fed from common pipes. In the new design, the hot (12) and cold (11) water inlets are reversed. Temperature is regulated via a single valve element (30) whose position is set by a control knob (2) via a push rod (37) and a thermostat (3). The mechanism is spring-loaded for precise adjustment. ADVANTAGE - Simplifies plumbing in bathroom installations. Standard-fitting regulator mechanism can be installed in existing mixer units.
Patent DE-4118029-A1 (DE)
Title: Sewing together matching pattern of top and bottom material - using sewing machine having dual cloth advance mechanism controlled by electronic module
Inventor: HAUCK WOLFGANG
IPC: D05B27/00
Filed: 1991-06-01
Abstract: A process is claimed to sew together the matching pattern of top and bottom material on a sewing machine which has dual cloth advance mechanism. By means of sensors the relative amount of advance of each mechanism is controlled. The first of a series of garments is aligned correctly and sewn, and the relative movements are recorded and employed to ensure the following items are the same. Controls are used to make adjustments at subsequent stages to bring the match in line. ADVANTAGE - The series of items is sewn automatically with matching pattern.