baber/WOPTO huggingface dataset:
Patent DE-4013366-A1 (DE)
Title: Pin plate mfg. unit - has laying surfaces with limit stops for rapid and fault free drilling and milling
Inventor: LINDEN ALFRED
IPC: B23Q1/03
Filed: 1990-04-26
Abstract: The appts. to work a tin plate, as the upper tool for the perforating station in mfg. folding boxes, has a laying surface (5) with a permanent limit bar or two separated limit stops (4) in one co-ordinate direction, and a single limit stop (8) in the other co-ordinate direction. A positioning block (15) is opposite the side of the limit bar or the separate limit stopts (4) which slides vertically to the limit bar or the line between the limit stops (4) on the plane of the pin plate.  The drilling and milling appts. has a unit to draw lines. The single limit stop (8) in the laying surface (5) or the limit bar or separate limit stops (4) is either inserted, or is on a linkage mounting to swing clear. The laying surface (5) is restricted to the four corner zones of the pin plate, and is interrupted between them. A base plate (1) is below the laying surfaces (5), with a flat surface, inserted on a support (18) with a recessed sector (19) to release the centre point at the base area. The base plate (1) has an opening for a suction connection. The vertical surfaces from the base plate (1) to the level of the laying surface (5) is covered with bristles or has a cover with elastic upper edges such as lips. The slide with a cover in contact with the pin plate for grinding has prepared drilled and milled surfaces. The slide has a sensor, which operates optically or acoustically or through inductive or capacitative or mechanical means, to generate a signal when leaving an unworked section of the pin plate. ADVANTAGE - The appts. give a rapid and fault-free mfg. of the upper tool.
Patent DE-4013436-A1 (DE)
Inventor: ULLMANN ROLAND
IPC: B26B19/20
Filed: 1990-04-27
Abstract: Described is an electric hair-cutter with a spacer comb (3) fitted on the cutter head and a sliding switch (11) for switching the hair-cutter on and off. The invention calls for the hair-cutter to have a pre-selector (60) switch which can be set so that the motor is not switched on until the slider switch locks into a predetermined position.
Patent DE-4014942-A1 (DE)
Title: Load lifting device - has two pivoted arms with jaw at end of each arm
Inventor: TUTSCHEK FRIEDRICH
IPC: B65G7/12
Filed: 1990-05-10
Abstract: The device has two curved arms (2a, 2b) which are pivoted together by a bolt (1). The lower end of each arm is fitted with a jaw (3a, 3b) and the upper end of each arm is connected to a handle (4). The device is primarily intended for lifting paving slabs, in which case the jaws (3a, 3b) serve to space the slabs at the correct distance from each other. The device may also be attached to the pulley block of a crane for lifting loads. The jaws (3a, 3b) are interchangeable and can be selected to suit the load. USE - Lifting heavy loads.
Patent DE-4015690-A1 (DE)
Title: Toilet seat for people allergic to cold - consists of overlay made of extruded plastics foam, with sheeting on one side
Inventor: WENDT HEINZ
IPC: A47K13/02
Filed: 1990-05-16
Abstract: The toilet seat for people allergic to the cold, conssits of a basic seat (A) on which is a replaceable, cold-resistant foam overlay (B) made of extruded foam. At least one side of the over lay (B) is covered with a sheet joined to the foam. Part of the underside of the foam overlay (A) has adhesive guaranteeing that it does not slip on the base (A). The base (A) and foamoverlay (B) have identical holes in. USE/ADVANTAGE - The foil on one side of the foam overlay makes the toilet seat more hygienic.
Patent DE-4017708-A1 (DE)
Title: PM generator with magnetic screen - has off-set discs with iron segments rotated between poles and coils to generate AC
Inventor: PFAUTSCH EMIL
IPC: H02K53/00
Filed: 1990-06-01
Abstract: In a three-shank permanent magnet are iron core pieces with coils (2), with ferromagnet screens around the core. On the head-sides of the core-pieces are rotating screen discs of wood with iron segments. In each generator are four such discs. The two first discs have the iron segments offset with respect to the two latter discs, so as to increase the pulling forces on the segments. By the screen covering and exposing the segments, an a.c. voltage is said to be induced in the coils on the iron core pieces. USE - Fuelless generator of electricity.
Patent DE-4017886-A1 (DE)
Title: Ferrite pipeline welding shaping gas assembly - has structured channels in entry and exhaust bodies with sintered metal lenses for gas passage for corrosion prevention of steel pipe
Inventor: SCHMITT HANS-NORBERT
IPC: B23K9/32
Filed: 1990-06-02
Abstract: Shaping gas unit used when welding a closed zone under gas between two axially spaced closing discs within a pipeline, where two facing pipe ends have been welded together by protective or shaping gas welding, has gas entry channels at the inner side of the gas entry body (10). A sintered metal lens (33,34) is at the entry end of each channel for the gas to pass through. Gas exhaust channel(s) (56) is at the inner side of the gas exhaust body (39), with a pressure valve (60), and a sintered metal lens (62) at its outlet end for the gas to pass through.  A distance holder (38) is screwed into a threaded drilling (36) in both the gas entry (10) and exhaust (39) bodies. Pref. gas entry body (10) has a central longitudinal drilling (24), with angled gas entry channels opening into it and, from the inner side, a threaded drilling (36), where the entry channels form an enclosed angle of 70 deg. with the central drilling (24). three entry channels are fitted, with an enclosed angle of 120 deg. between each, as seen from the end plane. The gas entry body (10) has a truncated cone (19) on the inner side, tapering inwards with a slope angle of 70 deg., and the entry channels open at the truncated cone surface. The gas exhaust body has a central drilling (53) with an angled drilling (56) to the side as the gas exhaust channel (56), and a coaxial threaded drilling from the inner side. ADVANTAGE - Prevents tempering colour and corrosion when welding pipes and pipe sections of ferrite and austenite steel, to give high welding seam quality with low gas consumption.
Patent DE-4023951-A1 (DE)
Title: Controlling electrochemical content of metals - where metal is used as electrode in electrolyte whose compsn. at electrode surface is influenced by process
Inventor: REMPPEL DIETER DR
IPC: C25F3/00
Filed: 1990-07-27
Abstract: In a process for controlling the electrochemical content of metallic materials, the material is acting as an electrode (11) in an electrolyte (13) and the chemical compsn. of the electrolyte (13) in a boundary range at and in the electrode surface is dependent on the process. The metallic materials are pref. pure metals or two- or more-component alloys, pref. of pure Al (alloy). The compsn. of the electrode surface is varied by a chemical or electrochemical process. The Al-electrode contains at least one additive of Mg, Mn, Co, Ca, In or Sn. The surface of the electrode is activated against electrochemical reactions by addn. of activators, or is passivated against electrochemical reactions by rend. of the activator concn. At least one activator is Sn or In, or is an Sn- or In-contg. cpd. USE/ADVANTAGE - The energy output of the battery is maximised, the inner resistance is low and the corrosion is minimised.
Patent DE-4024865-A1 (DE)
Inventor: KASTNER DIETGART DR
IPC: A61C5/85
Filed: 1990-08-04
Abstract: The dental-filling moulding device (30) described has a cavity (31) with a floor. A curved wall extends round part of the cavity (31), the lower edge of the wall joining the floor of the cavity. Joined to each end of the curved wall is a flexible handle (38, 39). In the process for manufacturing the moulding device, a strip is cut, for each device, from a sheet of larger dimensions, the strip cut out including sections corresponding to the curved wall round the cavity (31), the floor of the cavity and the two flexible handles (38, 39). The section for the curved wall is bent to fit the intended shape of the cavity (31). The section for the floor of the cavity is bent into place and joined to the adjacent edge of the wall, in particular by welding.
Patent DE-4030677-A1 (DE)
Title: Countercurrent granular adsorber for gaseous fluids - with an integral preliminary aerosol disentrainment section allowing continuous feed and discharge of granules
Inventor: WUENNENBERG WOLFGANG
IPC: B01D53/08
Filed: 1990-09-28
Abstract: A countercurrent adsorber module comprising a rectangular section housing a prill/bead inlet and holding space, a purified gas collector and outlet nozzle, an adsorption zone, a raw gas inlet and distributor device, a bottom outlet core provided with a prill/bead outlet nozzle, and having novelty in that the adsorption zone in the region of the inlet distributor (A) is preceded by an aerosol disentrainment zone in which are arranged raw-gas guide elements and prill/bead outlet elements. USE/ADVANTAGE - Countercurrent flowing granular adsorber for handling gaseous fluids, with an aerosol disentrainment zone, and a renewable adsorber bed in a single housing.
Patent DE-4031704-A1 (DE)
Title: New barium and onium thio, sulphinyl or sulphonyl di:benzoates -  use as charge regulator in electrophotographic toner or coating powder or lacquer, and are colourless
Inventor: NAGL GERT DR
IPC: C09D5/03
Filed: 1990-10-06
Abstract: New Ba, substd. ammonium, phosphonium, arsonium and antimonium, aldimmonium, ketimmonium and guanidinium (substd.) di- and trithio-, sulphinyl- and sulphonyl-dibenzoates are of formula (I); n = 0, 1 or 2 if m = 1 and n = 0 if m = 2 or 3; A(+) and B(+) independently = the equiv. of a Ba ion, X(R11)(R12)(R13)(R14))(+) (II) or (R15)(16)C=N(R11)(R12)) (III) and one of A(+) and B(+) may also = H (+); X = N, P, As or Sb; R11-14 independently = 1-30C alkyl, oxyethyl of the formula -(CH2-CH2-O0p-R9 (R9 = H, 1-4C alkyl or acyl; p = 1-10), 5-12C cycloalkyl, 6-12C aryl or 6-12C aryl-1-6C alkyl, opt. with OH, 1-4C alkoxy, prim., sec. or tert. amino, acid amide, F, Cl or Br substit(s).; and some but not all of R11-14 may = H; R15-16 independently = H, 1-6C alkyl or an amino gp. of the formula -NR17R18 (R17-18 independently = H or 1-6C alkyl); R11 + R13 or R11 + R15 may form a (substd.) 5-12-membered ring system, opt. contg. other heteroatoms; R1-8 independently = H, 1-30C alkyl, 2-30C alkenyl, 2-30C alkynyl, 1-4C alkoxy, a -(2-5C alkylene-O)q-R10 gp. (R10 = H, 1-4C alkyl or acyl; q = 1-10), 5-12C cycloalkyl, 6-12C aryl, 6-12C aryl-1-6C alkyl, F, Cl, Br, I, NO2, CN, OH, SO2, SO3H, a carboxylate ester gp. or a -NR21R22 gp. (R21-22 independently = H or 1-4C alkyl), etc.. The prepn. of (I) is claimed. USE/ADVANTAGE - (I), which are colourless, are claimed for use as charge regulators in electrophotographic toners and developers and as charging enhancer in powders and lacquers used for surface coating.
Patent DE-4032244-A1 (DE)
Title: Cylinder clamping arrangement for machine tool spindles - has elastic rings in spindle housing slot forming prismatic slot for angularly offset press bodies
Inventor: HACHE WOLFGANG
IPC: F16B2/16
Filed: 1990-10-11
Abstract: The arrangement for clamping a cylinder axially movable inside a housing contains annular clamp elements guided in a coaxial slot in a spindle housing and a press element which applies force radially into the clamp elements. Each of two series elastic rings (5.1,5.2) in the slot (3) has an outer surface in contact with the spindle casing (2). The rings' facing surfaces form a prismatic annular slot (7) contg. angularly offset press. bodies (4), one in contact with the press. element (8). USE/ADVANTAGE - Esp. for clamping tool spindles in machine tool spindle housings using clamp elements with large numbers of press. points.
Patent DE-4033309-A1 (DE)
Title: MOSFET semiconductor device - having ion-implanted regions with impurity ion concn. profile
Inventor: OKUMURA YOSHINORI
IPC: H01L29/10
Filed: 1990-10-19
Abstract: (A) A semiconductor device with a MOSFET has (i) a semiconductor substrate with a first conductivity region at least in the neighbourhood of the substrate surface; (ii) source and drain regions of second conductivity type on the left and the right of a channel region extending from the substrate surface down to a given depth; (iii) a transfer gate electrode (5) covering the channel region, an insulating gate film (3) being provided between the transfer gate electrode (5) and the substrate; and (iv) ion-implanted regions (4) of first conductivity type, formed at least in the neighbourhood of the channel region, for controlling the threshold voltage of the channel region. The novelty is that the ion-implanted regions (4) have a higher impurity atom concn. distribution in the right and left side regions adjacent the source and drain regions than in the region near the central section of the channel region. (B) Also claimed is prodn. of the device, in which the ion-implanted regions (4) are formed by ion implantation in a sloping direction with a predetermined inclination angle w.r.t. the substrate surface, at least the transfer gate electrode (5) being used as mask and the substrate being rotated in a plane parallel to its surface, followed by heat treatment to activate the ion-implanted regions. USE/ADVANTAGE - The device is esp. a MOSFET of lightly doped drain type. Source/drain breakdown voltage or the like is not reduced even when the device is highly integrated, short circuit of the depletion layer between the source and drain regions is inhibited so that breakdown voltage is increased and intermittent source / drain breakdown by the Alpen effect is avoided
Patent DE-4034997-A1 (DE)
Inventor: BRANDT DIETER
IPC: B65H19/22
Filed: 1990-11-03
Abstract: In winding machine for material webs (4), particularly paper or cardboard webs, it is known to provide devices for severing the material web (4) on the bearing or support cylinder (1), which have a cutting element applicable to the web (4) in a wrapped area of the bearing or support cylinder (1) and movable across the running direction of the web. In order to achieve through a simple construction a safe severing of the web (4) during roll exchange, according to the invention a freely rotatably supported wheel (19) having a sharp peripheral edge which can be resiliently pressed against the bearing or support cylinder (1) is used as a cutting element.
Patent DE-4038768-A1 (DE)
Title: 2 Stage prodn. of aromatic polycarbonate without using phosgene - by precondensation of di:phenol and di:alkyl carbonate and further condensation of oligomer
Inventor: TACKE PETER DIPL CHEM DR
IPC: C08G64/30
Filed: 1990-12-05
Abstract: 2-Stage prodn. of aromatic polycarbonates (I) without using COCl2 involves (1) reacting diphenol(s) (II) with dialkyl carbonate(s) (III) to give aromatic oligocarbonates (IV) with mainly alkyl carbonate end gps., with liberation of alcohol(s); and (2) further condensn. to (I) at higher temp. The claims also cover (I) produced in this way. In stage (1), (II) and (III) are reacted, pref. in the presence of organo-Sn catalyst, to give partly crystalline (IV), which are purified if necessary. In (2), condensn. is carried out in the solid phase. (III) are derived from 1-4 C alcohols; and (II) consist of at least 80 mole-% bisphenol A. (IV) have relative soln. viscosity (RSV) values of 1.02-1.18, pref. 1.06-1.09. USE/ADVANTAGE - (I) are useful for making semifinished prods., mouldings and films, e.g. for use in the electrical industry and vehicle construction. The need to use a special solvent in the prepn. of (IV) can be avoided by using a large excess of (III).
Patent DE-4041130-A1 (DE)
Title: Solid-state laser generating single frequency and visible, pulsed beams - comprises laser diode pumped solid-state laser with electronic supply and regulating unit as well as optical head with adjusters
Inventor: KROY WALTER DIPL PHYS DR
IPC: H01S5/022
Filed: 1990-12-21
Abstract: A micro-system laser (10) is formed from hybrid components on a base chip (11). All necessary components such as excitation light source, semiconductor laser material, mirror, resonator configurations and elements specific to application, radiation sensors, measuring systems, control and regulating electronics as well as cooling systems are integrated. A monolithic laser crystal (14), focussing optics (13) and a pump laser diode (12) are mounted on the chip. The diode is of semiconductor material and the solid state laser material is of doped crystal or glass. Part of the radiation from the crystal reaches a monitor (15) for a radiation detector and a regulating electronic circuit (17). ADVANTAGE - Can be miniaturised. Optimum adaptation to application by easy variation of componenets. High flexibility in range of applications.
Patent DE-4041733-A1 (DE)
Title: Remotely adjustable hydraulic vibration damper for motor vehicle - has by=pass valve port opening varied by rotation of motor with inductive detection of sleeve position
Inventor: WOERMANN THOMAS DIPL ING
IPC: F16F9/46
Filed: 1990-12-24
Abstract: A damping piston for a vehicle is screwed to a hollow rod in which a cylindrical recess houses a motor and a bypass valve with a pressure-equalising bore. The motor shaft is sleeved in ferromagnetic material whose movement with the valve is detected by coaxial inductive windings. The valve opens and closes a port interconnecting the upper and lower working chambers of the outer cylinder which are separated by the damping piston. ADVANTAGE - Bypass valve position detector is easily assembled from few components and can be integrated into hollow piston rod.
Patent DE-4100152-A1 (DE)
Title: Correcting electronic typewriter printing position corrector - has cam plate engaged by operating bolt to move ink ribbon holder into print or correction positions
Inventor: WOO HAENG-CHO
IPC: B41J35/23
Filed: 1991-01-04
Abstract: The correcting arrangement has a motor-driven (31) ink ribbon cam plate (16) for raising and lowering an ink ribbon, a cam plate guide on a ribbon holder, an operating bolt (8) with a helical bearing spring and print and correction feed channels connected together and arranged on one side of the cam plate. The operating bolt engages the ink ribbon cam plate  to move the ink ribbon holder into the print or correction i positions. ADVANTAGE - Mechanical noise is reduced, design simplified and production costs reduced compared to conventional arrangements.
Patent DE-4103307-A1 (DE)
Title: Oscillator for transceiver systems - has FET with source electrode coupled to second FET drain electrode
Inventor: HETTSTEDT HEINZ-DIETER
IPC: H03B5/36
Filed: 1991-02-04
Abstract: The oscillator consists of a first FET, with a resonator between its gate and drain electrode. The oscillator frequency is tapped at the FET drain electrode. A master oscillator is coupled to the FET. To the FET (1) source electrode (G1) a second FET (2) drain electrode (D2) is coupled. The master oscillator (M) is linked to the seond FET gate electrode (G2). The oscillator frequency is stabilised by connecting the two FETs in series and by coupling the second FET drain electrode to the first FET source electrode, as above. The frequency of the master oscillator signal (1L) equals the required output frequency of the oscillator assembly (0), or a subharmonic of the same. USE/ADVANTAGE - For frequency mixers etc., with a stabilising facility without useful signal weakening, or interference risk.
Patent DE-4106232-A1 (DE)
Inventor: RESSEL WILLI DIPL ING
IPC: C10M101/04
Filed: 1991-02-28
Abstract: The invention concerns a damping fluid for use preferably in hydraulic door-closing and vibration-damping devices. The fluid is biodegradable and hence not harmful to the environment.
Patent DE-4109581-A1 (DE)
Title: Machine spool with hubs with end toothed surfaces - has cylindrical hole and cone and spool flanges, for holding spindle sleeve
Inventor: GENSICKE WOLFGANG
IPC: B65H75/30
Filed: 1991-03-21
Abstract: The machine-spool (1) has hubs (3) in which is a cylindrical hole, cone and spool-flanges (2). The end surfaces of the hubs on both sides of the spool are divided into two and have a gearing (4) pointing radially inwards from the outer diameter. The gearing leads into a bridge-piece (5) with a stage (6) leading into the inner diameter (7) which holds the spindle sleeve. The outer ends of the gearing-teeth, which slope at an angle, are rounded. ADVANTAGE - The spool-hubs have end toothing which holds them securely when being driven or braked, especially for automatically feeding wires or cables onto the spool.
Patent DE-4110728-A1 (DE)
Title: Tool for laying carpet strip in wall socket slats - contains shaper, end strip and handle in integral configuration for fitting to wall skirting
Inventor: SCHAEFER WILLI
IPC: E04F21/20
Filed: 1991-04-03
Abstract: The carpet wall edging strip tool (18) consists of an integral moulded unit of reducing cross section. A handle projects outwards at right angles to the body. The front section of the tool traps the edge of the vertical carpet strip and also reaches behind the wall secured strip. As the tool is pushed along, the edge of the carpet is forced behind the wall strip as the width of the tool diminishes. ADVANTAGE - Compact, lightweight design, suitable for any carpet thickness, and small number of components.
Patent DE-4112868-A1 (DE)
Title: Displacement pump with control valve - has valve cone with collar which creates restrictor and pressure area
Inventor: MERZ JOHANN
IPC: F04C14/26
Filed: 1991-04-19
Abstract: The piston (16) of a flow regulating valve (18) has a pressure limiting valve (21) comprising a valve cone (23) located in a shaft (33). The cone fits against a seat (24) and is activated by a spring (22). A collar (32) is connected to the valve cone (23) to form a restrictor (34), preferably narrow and annular in shape, with the shaft (33). The end of the collar (32) facing the valve cone (23) acts as a pressure surface (A2). ADVANTAGE - Prevents overheating and jamming of the flow regulating piston.
Patent DE-4116150-A1 (DE)
Title: False twister yarn draw tension monitor - has memory which erases dated fault reports only from stations taking up more capacity to maintain min. number of reports for each station
Inventor: DETERS LUDGER AUGUST DR ING
IPC: B65H63/00
Filed: 1991-05-17
Abstract: To monitor the draw tension on a yarn between the false twister and the delivery system at the end of the texturising zone, in a multi-station false twister assembly, a memory stores fault reports through the measured values directly before and/or during and/or directly after a fault at a given station. During entry into the memory, when the capacity is full, only the most dated fault reports for the measurement stations which take up most of the capacity are erased, to free storage space for new fault reports. ADVANTAGE - The method ensures that there are always a min. number of fault reports for every station monitored, to be available for fault analysis.
Patent DE-4118073-A1 (DE)
Title: Space framework with tension and compression elements - is cuboid with diagonal compression struts connected to central joint and linked at their free ends by cable
Inventor: SCHLESINGER CHRISTIAN
IPC: E04B1/19
Filed: 1991-06-01
Abstract: The space framework consists of collapsible units (10, 12) defining cubes when unfolded. The unit diagonals are pivoting compression struts (14-28) connected to a central joint element (30). Continuous cable or wire tension members (50-62) pass through apertures, clips or eyes (32-48) at the free ends of the compression struts. USE/ADVANTAGE - Compact, high load carrying structure.