baber/WOPTO huggingface dataset:
Patent DE-4111912-A1 (DE)
Title: Circuit board and contact arrangement for control systems - provides reliable connecting via spring contacts bearing upon underside of board inserted and retained under lugs
Inventor: KUEPPER WILFRIED DIPL ING
IPC: H05K7/14
Filed: 1991-04-12
Abstract: The circuit board (1) is held and secured in the housing trough (6) by means of supports (3, 3a), resilient catches (4, 4a) and lugs (5). When the board (1) is pushed under the lugs (5) its contact surfaces (10) are equally overlapped by those of spring contacts (9). The trough (6) has recesses (7) for removable connector mouldings (8, 8a) on one or more sides, with wire connection terminals (11) in individual chambers of each moulding which are suited to the contact shape. USE/ADVANTAGE - Esp. for electronic modular control systms, secure contacts between board faces and line connectors can be made easily and without screws.
Patent DE-4112449-A1 (DE)
Title: Burner regulation system providing defined flame front position - uses temp. sensor signal for controlling air supplied to burner
Inventor: BERG JOACHIM
IPC: F23N3/08
Filed: 1991-04-12
Abstract: The regulation system allows the quantity of air supplied to the burner (1) to be regulated in dependance on the temp.  in the vicinity of the burner, pref. using 2 limit values. Pref the burner has a combustion space (2) with an attached exhaust line (3), containing a heat exchanger (4) which is heated by the combustion gases. The burner plate (1) has an associated temp. sensor (10), coupled to a control (11) for a fan (6), a gas valve (9), an ignition electrode (12) and a monitoring electrode (13) using the ionisation current to indicate the presence of the flame. ADVANTAGE - Safe reliable operation of burner.
Patent DE-4112805-A1 (DE)
Title: Using bis:methoxy-ethoxy-ethyl phthalate as plasticiser - for poly:isocyanate polyaddition prods., partic. soft rubber-elastic cellular or compact polyurethane elastomers
Inventor: CHLOSTA ANDREAS
IPC: C08K5/12
Filed: 1991-04-19
Abstract: Polyurethane (PU) elastomers (I) contg. bis (methoxyethoxyethyl) phthalate (II) are used as plasticisers. (I) is prepd. by reacting (A) organic polyisocyanates with (B) polyhydroxy cpds. of mol.wt. 500-8,000 and (C) chain lengthening and/or crosslinking agents of mol.wt. 60-400, opt. in the presence of (D) blowing agents, (E) catalysts, (F) auxiliaries and/or additives. (II) is incorporated in (A)-(F) before reaction, in the reaction mixt. or in a thermoplastic PU prepd. from (A)-(C) and opt. (E) and (F) by a belt or extrusion process. Pref. (I) comprise 1-50 pts. (all pts.wt.) (II) and 99-50 pts. PU elastomer. Rubber-elastic (I) with Shore AS hardness 85-60 contain 1-50 pts. (II) and 99-50 pts. thermoplastic PU, partic. PU with Shore A hardness 95-80, main melting peak of hard segment 210-220 deg.C (DSC), and melt viscosity corresp. to MFI (melt flow index) at 190 deg.C/212 N, of 0.1-200. Thermoplastic PU elastomer has been prepd. by reaction of aromatic diisocyanate as (A) with (B) and chain lengthening agent of mol.wt. 60-400 as (C), opt. in presence of (D), (E) and (F). Partic. thermoplastic PU prepd. by a belt process is used. USE/ADVANTAGE - (I) are used for prepn. of films, shaped articles, tubes or profiles, partic. sealing profiles (claimed), esp. for prepn. of cellular mouldings (claimed). (II) is incorporated relatively rapidly, reducing prodn. costs and does not exude or migrate. Residual tensile deformation value and water vapour permeability of (I) are improve
Patent DE-4120806-A1 (DE)
Title: Inductive proximity switch with oscillator - has two parallel LC oscillation circuits, with series-connected resistor between them
Inventor: SAGERT MANFRED
IPC: H03K17/95
Filed: 1991-06-24
Abstract: The oscillator (1') state is used for derivation of an output signal (UA'). An active LC oscillation circuit (10) determines the way and/or the position and/or the material properties of a body (21) electrically and/or magnetically conductive to be detected. The detection takes place by an electromagnetic field of the coil (11) of the LC oscillation circuit. Another coil (5) and a capacitor (4) form a second LC oscillation circuit (3) such that the presence of the body affects the oscillator. A circuit output signal is compared with a foreign signal and a switching takes place. The two LC oscillation circuits are in parallel and a resistor (16) between them is in series. The resistor lies at a junction point (22) of the first circuit and the oscillator. USE/ADVANTAGE - Inductive proximity switch, without any reduction factor, but with high constant response sensitivity for both ferrous and non-ferrous metals.
Patent DE-4121737-A1 (DE)
Title: Anti-skid system, for e.g. lorry tyre - has chain held in position by passing around tyre from fixed hooks on rim through holes on other side of rim to other adjustable hooks
Inventor: KELLNER CHRISTOPH
IPC: B60C27/10
Filed: 1991-07-01
Abstract: A structure to prevent skidding or wheelspin on the wheel of a vehicle (and a lorry in particular) whose rim has hole, has chains round the tyre and a device to hold the chains in position. This device has a variable dia. ring attached to the rim with a means of tightening it. Hooks are fixed to this ring around its circumference to match the holes in the rim. An adjustable hook is also attached for each fixed hook so that the distance between the fixed and adjustable hooks can be varied. Of each individual chain member one end can be attached to the corresponding fixed hook, and of its other end to the corresponding moving hook; by this system the chain member passes over the tyre and through its relevant hole in the rim. ADVANTAGE - The whole system can be fitted on easily and quickly.
Patent DE-4121812-A1 (DE)
Title: Ornament prodn. from leaves, etc. - comprises drying and impregnating to protect against water absorption, prior to joining with hardening adhesive
Inventor: KRESSE ELKE
IPC: A41G1/00
Filed: 1991-07-02
Abstract: Ornaments and decorative components are produced from naturally-grown plants or portions of them such as leaves, while preserving their visible structure. These are dried, being opt pressed and then impregnated so as to protect them against water-absorption. Using a hardening water-based adhesive and/or filler material, they are joined together in the pref pattern, stiffened, and/or shaped in three dimensions. The filler material can contain wood chips. The filling material or adhesive can be a mixture, which can be thinned with water, of two parts acryl varnish and one part silane acryl. Shellack varnish can be applied to the surface, and then polished using acid-free oil. ADVANTAGE - Rigid, and unaffected by body seat, rain, gaseous pollutants etc.
Patent DE-4122344-A1 (DE)
Title: Locking element for gear change units in road vehicle - has U=shaped disc that in inserted into groove at location of gear change rod to hold spring biased bush in position
Inventor: AUSPRUNG ERICH
IPC: B60K20/02
Filed: 1991-07-05
Abstract: The gear change mechanism has a bush (3) that is axially spring loaded on the change rod (1) and is retained in a specific position by a locking disc (21) that is inserted sideways. The disc has a `U' shaped profile with a slot width that is slightly greater than the reduced diameter section of the rod. The ends of the disc have raised lugs that pass through the gap (d) while the bush is held clear. Once in position and with the bush under an axial load, the disc is retained by the lugs. ADVANTAGE - Provides secure retention.
Patent DE-4124762-A1 (DE)
Title: Pleated air filter with gas absorption filter on clean side - has filter lattices as retainers for gas absorbers,enclosed by open-pore cover layer
Inventor: HOENING HERMANN
IPC: B60H3/06
Filed: 1991-07-23
Abstract: The air is shaped like a pleated particle filter (1) with gas absorption filters embedded on the clean air side of the folds. The filter body lattices (2) can act as hollow bodies for receiving the gas absorption medium. The absorber is hermetically enclosed on the clean air side by an open-pore  cover layer (3),which simultaneously serves  as spacer for the main particle filter. USE/ADVANTAGE - For cars,lorries,buses,and construction machines,with increased gas separation in confined space.
Patent DE-4126884-A1 (DE)
Title: Mfg. sound-insulating laminate, useful esp. as interior lining for car - by heating glass mat-reinforced polypropylene@ sheet to form porous expanded layer, and laminating with nonwoven polypropylene@ fabric
Inventor: BERNHARD HEINZ
IPC: B60R13/08
Filed: 1991-08-14
Abstract: Prodn. of sound-insulating mouldings (I) with nonwoven polypropylene (PP) fabric laminated on at least one side involves heating glass mat-reinforced PP sheet (II) to above softening pt. of PP to form voluminous, air-permeable, porous base layer (5), laminating on at least one side with nonwoven PP fabric (6) and shaping the laminate with negligible compaction of base layer (5). Pref. (II) is used in the form of blank corresp. approx to the outline of (I) plus the amt. of material required for deviations from the plane of the sheet; fabric (6) is applied to both sides of (5), by heating sheet (II) to 200 deg. C and laminating and shaping at 70 deg. C; decorative layer of PP (7) is laminated onto layer (6) at the same time as (6) is laminated with (5); pref., another sound-absorbing layer (8) (esp. bonded PP fibre or and held on by means of PP covering layer (9); base layer (5) contains glass fibres and pref. natural and/or synthetic fibres; material (6) is needle-punched or spun-bonded PP fabric and layer (7) is woven or knitted PP fabric or PP film. USE/ADVANTAGE - Provides environmentally acceptable lining material with good sound-insulating properties, made from recoverable, commercially available raw materials by simple low-pressure laminating process which preserves the air-permeability and porosity of the base layer. The sound-insulating properties are superior to those of prior-art fibre or foam layers, and the prod. (I) has very low emission values and is practically non-fogging.
Patent DE-4127372-A1 (DE)
Title: Modular photovoltaic system with loose connection protection - using 2-wire DCline connections for each battery pole
Inventor: HOPPE WOLFGANG
IPC: H02J7/35
Filed: 1991-08-19
Abstract: The photovoltaic system has a number of generator modules connected in series for attaining the required voltage, with several serial generator module groups connected in parallel for obtaining the required current. All the DC line connections for each pole are provided by two wires coupled between separate parallel battery terminals, to provide protection against loose battery connections. USE - For solar plant mounted on roof of house or apartment block.
Patent DE-4128973-A1 (DE)
Title: Blank holding down device for metal forming press -  has four hydraulic cylinders with pressure controlled by pressure regulator
Inventor: GEIST GREGOR
IPC: B21D24/14
Filed: 1991-08-31
Abstract: A single stroke press for deep drawing sheet metal has a hydraulic device for holding the blank (4) during the deep drawing operation. The device consists of at least four hydraulic cylinders (10) with pistons (9) which act on a beam (8) which in turn acts on rods (7) which press the blank holder (4) upwards against the blank (3) and against the upper tool (2). The pressure chamber (13) of each hydraulic cylinder is connected to a source (19) of pressure medium through a pressure regulator (23). During the deep drawing operation the fluid outflow, from the part of the cylinder not connected to the pressure regulator, is prevented. USE/ADVANTAGE - Blank holding device with means to prevent excessive force being exerted on the blank.
Patent DE-4135397-A1 (DE)
Inventor: RHEINBERGER VOLKER DR
IPC: A61K31/155
Filed: 1991-10-26
Abstract: A chlorhexidine adduct of one molecule of chlorhexidine with six molecules of hydrogen fluoride and a process for its preparation are described, which adduct has a high antibacterial activity against Streptococcus mutans even in very low concentrations and is useful for the prevention of caries. 
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Patent DE-4139733-A1 (DE)
Title: Use of carbacycline derivs. - for treating atopic disorders, e.g. dermatitis, allergic rhinitis and bronchial asthma
Inventor: BLITSTEIN-WILLINGER EVELINE DR
IPC: A61K31/557
Filed: 1991-11-28
Abstract: Carbacylin derivs. (I) can be used in the prepn. of an agent for the treatment of atopic disorders. USE/ADVANTAGE - (I) can now be used to treat atopic dermatitis, allergic rhinitis and bronchiral asthma. (I) inhibit TNF synthesis at the stage of TNF-messenger-RNA. (I) are used in preference to monoclonal antibodies (targetted against TNF) in that they are effective against TNF already secreted and can also act prophylactically and in contrast to monoclonal antibodies can be used topically. Also, the TNF-TNF-immune complex formed is not degraded. Suitable doses for topical use are 20-40 micro g/g/ointment/100 cm3 affected skin; the max tolerated daily dose is 80-160 mg. Nasal sprays are used in doses of 0.1-1 ng/kg/min.
Patent DE-4141290-A1 (DE)
Title: Dental articulator with condylar joint - which is formed by ball and has bolt to hold ball in exact position
Inventor: SCHREIBER HANS DR DR
IPC: A61C11/02
Filed: 1991-12-14
Abstract: The hinge axis shaft (11`) has the condylar ball (14,172) at its outer end to form the hinge and is attached by bolts to the condylar pillar. An additional bolt (165) fixed to the upper jaw arm (35) engages a circumferential groove (155) in the shaft and so holds it in a defined position so that the mid-position of the articulator upper jaw arm is reproducible. The shaft is provided with an external thread (170) which engages the internal thread of a sleeve (166,174) to enable the position of the condylar ball to be adjusted. USE/ADVANTAGE - Condylar joint for dental articulator,with reproducible ball position.
Patent DE-4142741-A1 (DE)
Title: Watertight shrouded contact electrical plug - has bayonet ring located on head of plug and retained by circlip fitting in groove.
IPC: H01R13/625
Filed: 1991-12-22
Abstract: A shrouded contact electrical plug (1) has a main housing (45) with a formed end (5) having a retaining flange (6) and groove (7) that receives a spring circlip (8). A bayonet ring (2) fits over the cylindrical end section and the inner diameter (3) is greater than the flange section (6). The outer diameter of the circlip is greater than the inner diameter of the bayonet ring. With the bayonet ring located over the end of the plug, the circlip is inserted into the groove. ADVANTAGE - Retains bayonet ring on plug body. Integral construction.
Patent DE-4202393-A1 (DE)
Title: Vacuum provision appts. for vehicular power-assisted braking - has two connections to servo amplifier from separate cylinder inlets, one of which has pneumatically operated restrictor
Inventor: KLEIN HANS-CHRISTOF
IPC: F02M17/52
Filed: 1992-01-29
Abstract: The braking force amplifier (30) linked to the brake pedal (50) draws on vacuum from a connection (21) into the junction between one cylinder (11) and its inlet manifold (15). A pneumatic restrictor (24) for closing the latter when necessary is pref. as near as possible to the connection. A control circuit (49) opens a pref. electromagnetic valve (27) to the pneumatic actuator (25) from a point upstream of the non-return valve (23) when the pedal is depressed. Another cylinder inlet (18) is connected (28) permanently via a similar valve (29) to the amplifier. ADVANTAGE - High vacuum is attained more quickly and rate of evacuation is increased with min. dead space between cylinder and restrictor.
Patent DE-4202746-A1 (DE)
Title: Recirculating ball unit for linear bearings
Inventor: RABE JUERGEN DIPL ING
IPC: F16C29/06
Filed: 1992-01-31
Abstract: One connecting plate (10) is mounted between each two adjoining segments (7) and the segments and plates are made from a polymer material. The connecting plates adjoin the segments in the area of the end sides (11,12) and successive plates can be mounted alternately on one end side and then the other.     The inner diameter of the plates can correspond to the outer diameter of the segment part. The plates preferably have stop faces (13) for axially adjoining a bearing sleeve surrounding same. The one-piece unit should have sufficient elasticity for fitting in the metal bearing sleeve of the recirculating ball unit.
Patent DE-4206373-A1 (DE)
Title: Liq. phase epitaxy appts. - comprises several walls enclosing melt and boundary wall bordering growing plane
Inventor: BOMMER ULRICH DIPL ING
IPC: C30B19/06
Filed: 1992-02-29
Abstract: Liq. phase epitaxy appts. comprises several walls to enclose a melt, in which is dissolved the material to be grown on a substrate (16) in a growing plane (18). There is a boundary wall (11) that borders the growing plane at a start or at right angles. The novelty is that at least one slot (19.1) is located in the boundary wall (11) at a distance from the boundary line (17) between the growing plane and the boundary wall. USE - The appts. is used to grow thin layers on a substrate.
Patent DE-4210076-A1 (DE)
Title: Swinging extension arm for drilling machine table - has connector bracket which clamps over edge of table and forms flush surface between table and hinged arm
Inventor: ZACHER KARL-HEINZ
IPC: B23Q1/00
Filed: 1992-03-27
Abstract: The arm is used to support bulky workpieces and has holes (19, 21) permitting convenient through drilling of the workpiece. It has a connector bracket (1) with a projecting piece (2) which fits over the edge (23) of the drilling table (22) to form a flush surface between the table and the extension arm. The connector bracket is clamped in position on the drilling table by a bottom clamping block and screw (4, 5). Lugs (7, 8) on the bracket and (18) on the extension arm form in conjunction with a pin (10) a hinge about which the arm can swing in the horizontal plane. USE/ADVANTAGE - Simple, low-cost extension arm for drilling machine table is easy to fit and use.
Patent DE-4210755-A1 (DE)
Title: Hydraulically operated valve for sludge pipe - has sliding fit valve with profiled sealing edge which has sealing rings made of wear resistant metal
Inventor: KORTHAUS ERNST DIPL ING
IPC: F16K1/36
Filed: 1992-04-01
Abstract: The valve has a plug seal (9) into a circular sealing ring (4) and with a collar (10) with a profiled sealing edge to form the final seal. The progressive sealing action prevents material being trapped under the seal and damaging the sealing action. The sealing rings and the plug seal are made of wear resistant metal. The sealing plug is rigidly attached to a hydraulic servo (7). USE/ADVANTAGE - Sludge- and paste flow control. Secure sealing action.
Patent DE-4212470-A1 (DE)
Title: Wind energy utilisation by venturi effect - using two funnels per wind turbine, with inlet-outlet diameter ratio dependent on annual mean wind speed
IPC: F03D3/00
Filed: 1992-04-14
Abstract: The airflow to the radial turbines of a wind generator is via several funnels of triangular, circular or rectangular cross-section. The larger inlet opening faces the wind and both this and the outlet opening may be adjusted in size. The diagonal or diameter of the inlet is larger than that of the outlet by a factor dependent on the mean wind speed over the course of a year as is the ratio of funnel length to inlet diameter. Two such funnels can be arranged with a wind turbine between them, one working with the upper turbine half, the other with the lower turbine half. ADVANTAGE - Increased output utilising Venturi effect on wind.
Patent DE-4216386-A1 (DE)
Title: Rotary plough for coupling to tractor - has vertical pivot coupling about which it swings horizontally powered by extension beam
Inventor: DRAXLER WERNER ING
IPC: A01B15/14
Filed: 1992-05-18
Abstract: A rotary plough is coupled to a tractor by means of a vertical pivot on which it swings powered by a hydraulic ram attached to its beam holder. Plough shares are attached to the beam which can be extended. The plough beam (3) and the holder (2) can have an intermediate plate between them if required, and all these elements are bolted together and are easily dismantled. The holder (2) and extension (4) can be profiled with a long rib. ADVANTAGE - Damaged shares can be individually replaced.
Patent DE-4219439-A1 (DE)
Inventor: FISCH HERBERT DR
IPC: G02F1/35
Filed: 1992-06-13
Abstract: Described are NLO mixtures whose matrix is made up of polymeric organo-silicon compounds as obtained by the so-called sol-gel method and which have embedded in the matrix an NLO compound.
Patent DE-4222624-A1 (DE)
Inventor: HERMES PETER DIPL ING
IPC: E05F15/56
Filed: 1992-07-10
Abstract: A junction for neighboring car bodies of a track-bound vehicle has a first door guided within a first end wall of a first car body for closing a doorway of the first car body and a second door guided with an adjacent second end wall of the neighboring car body for closing a doorway in the neighboring car body. The first and the second end walls are spaced apart and delimit a space therebetween. The first and the second doors are guided at the first and the second end walls so as to be movable in opposite directions. At least one coupling element for coupling the first and the second doors extends through the first and the second end walls and the space therebetween. The first and the second doors have a substantially identical construction and substantially identical moving characteristics. The coupling element is preferably a cable and a sleeve enclosing the cable.
Patent DE-4223330-A1 (DE)
Title: Manual bottle holder for feeding babies - has gripper coupled to bottle holder at spacing permitting holding with baby supporting hand
Inventor: SORCE GIACOMO
IPC: A61J9/06
Filed: 1992-07-16
Abstract: The bottle (4) holder (3) is coupled to a gripper (4) at such spacing that the gripper handling hand can also support the drinking baby. Pref. the holder is a C-shaped or tubular clamp surrounding the feeding bottle, pref. of flexible plastics. The gripper side connection to the bottle holder is formed by a spacer (5), typically arcuated or angled. It extends radially from the C-shaped clamp with specified, angular transition of 30 to 60 deg. in a plane across the bottle long axis (6). ADVANTAGE - Simple handling with one arm and hand only.
Patent DE-4223542-A1 (DE)
Title: Circuit board processing appts. with processing liq. - has nozzle sticks carrying processing fluid with distributor tube connected to multiple nozzle bodies with slit-shaped openings
Inventor: HAAS RAINER ING GRAD
IPC: H05K3/00
Filed: 1992-07-17
Abstract: The appts. includes a transport system which continuously moves the circuit boards through the appts. A nozzle stick runs perpendicular to the direction of motion of the circuit boards. The nozzle stick has a slit shaped nozzle opening at a small distance from the path of the circuit boards. The processing fluid flows out of the nozzle opening. Each nozzle stick has a distributor tube (6) which runs perpendicular to the direction of motion of the circuit boards. A number of nozzle bodies (9) are connected to the distributor tube, and are arranged perpendicular to the tube. The nozzle bodies have a slit-shaped nozzle opening (10) on their free faces. ADVANTAGE - Performs full and reliable processing of circuit boards esp. on surfaces of through holes.
Patent DE-4225100-A1 (DE)
Title: Edge detail and cover strip for step - with wooden decor strip fixed to metal angle strip secured to base construction of steps.
Inventor: DOETTINGER RAINER
IPC: E04F11/16
Filed: 1992-07-30
Abstract: The edge of a step is covered by a metal angle strip (20). To the front face (32) of this strip, a wooden decor panel (42) is attached through a  hidden rear fixing (54). The decor panel is tapered (62) in section opposite the lower edge of the angle strip. The wooden panel can be attached by a screw to the angle strip. The under-edge of the wooden panel can be of a rounded section. USE/ADVANTAGE - Covers unsightly metal strip and tapered section reduces tripping effect of nose detail.