baber/WOPTO huggingface dataset:
Patent DE-4005556-A1 (DE)
Title: Blade sheet for document shredder - has deformable spacer rings compressed between cutting discs to ensure even spacing along shaft
Inventor: STROHMEYER WILLI
IPC: B02C18/18
Filed: 1990-02-22
Abstract: Mounted on a blade shaft are cutting discs, separated by annular spacers to form a roller for a document shredder. The discs and spacers are compressed together at a suitable force by locking rings, fitting into grooves at the ends of the shafts. Each spacer (4) is made of a plastics or metal, which is deformed under pressure. One or both sides (8) can be of a conical shape so that the outside surface (9) is larger than the inside one.
Patent DE-4005979-A1 (DE)
Inventor: HOLDERER HORST
IPC: D06B3/12
Filed: 1990-02-26
Abstract: In the continuous-bleaching installation described, the steamer unit (1) is followed by a washing unit (2) comprising several individual washing machines (6, 7, 8, 9). The washing machines (6, 7) immediately downstream of the steamer unit (1) are operated in co-current flow, and are fed with 10-50 % of the washing liquor throughput of the last washing machines (8, 9) which are operated on the counterflow principle.
Patent DE-4009811-A1 (DE)
Title: Used stencil compaction press for mimeographic printing machine - compresses material under jointed plate driven into fully horizontal position for downstroke into waste material container
Inventor: HASEGAWA TAKANORI
IPC: B41L31/00
Filed: 1990-03-27
Abstract: The stencil passes from rollers (21) to an inclined guidance surface (23) on one wall of a container within which a horizontally jointed cover plate (30) is actuated by an eccentric rod (36) driven by a motor (33). The support (50) for the cover plate (30) is driven up and down a vertical slot (53) by a rack-and-pinion mechanism (55,58) from another motor (57). The plate (30) is angled (31,32) for lifting and straightened for lowering.
Patent DE-4014684-A1 (DE)
Title: Annular seal for masonry cavity - consists of elastomeric ring with cuff, reinforcement sealing rim and contact flange
Inventor: ARLT GERHARD
IPC: F16L41/08
Filed: 1990-05-08
Abstract: The annular seal (3) for an opening in a structure (2) through which goes a cable, pipe (12) etc., is made of elastomeric material and is fixed (21) to the pipe (12) with axial expansion. The reinforced sealing-edge (4) at the same time rests against the wall of the structure (2). The cuff-part of the  annular seal (3), preferably its axial end, is fastened by a connection (14) to the pipe (12). The seal () has a contact flange (10) on its end axially opposite the reinforcement rim (4). The radial outer diameter of the seal (3) is larger than the radialinner diameter of the hole (1). USE/ADVANTAGE - The elastic seal for an annular space adapts to irregularities in the memory.
Patent DE-4031743-A1 (DE)
Title: Component clamping element - locates in slot and applies force to retain objects against surface
Inventor: BERNDT SIEGFRIED
IPC: F16B2/22
Filed: 1990-10-06
Abstract: The clamping element (4) is used to hold objects (9) against a flat surface. The clamping element has a lower form (5) that locates in a slot formed in a board (1). A groove (7) formed on the underside locates against the board and provides secure retention. The top seciton is curved and has a thin wall that generates a spring effect. The tip (8) presses against the surface in the absence of an object. Alternatively the tip can press against a flat object held against the board. ADVANTAGE - Simple means of holding objects against a surface.
Patent DE-4032603-A1 (DE)
Title: Mounting for joint supporting vehicle seat - incorporates gear mechanism having welded-on dog
Inventor: UNCKRICH HERMANN
IPC: B60N2/225
Filed: 1990-10-15
Abstract: Mounting system for the joint of a vehicle seat with an adjustable backrest having a lower connection piece (10) secured to the seat and an upper connection piece (11) joined to the backrest. The swivel axis (17) of the joint is provided with a dog (24) with contact ears (10) to give eccentric support for the spur gear (12) in relation to the gear rim (14). USE/ADVANTAGE - Joint which can be produced with fewer parts in that the dog is moulded or welded on to the swivel axis.
Patent DE-4033671-A1 (DE)
Title: Device for generating and distributing thermal energy - has two pumps combined in one unit
Inventor: HOFFMANN KURT PROF DR ING
IPC: F04B43/12
Filed: 1990-10-23
Abstract: An apparatus for generating and distributing thermal energy consists of an energy generating part (T Gen) and of an energy distributing part (Appl). A pump is installed in the component (KI) of the energy generating part and a second pump is installed in the second component (K2) of the energy distributing part. - The invention proposes that the two pumps be combined in a single unit. The pumps are of the peristaltic type having rotors with rollers mounted around their peripheries. The rollers compress a flexible hose and drive the liquid through the hose which is trapped between the two points of compression formed by two adjacent rollers.
Patent DE-4035040-A1 (DE)
Title: Miniature transformer, choke coil, or electronic component housing - has integral resilient locking elements for securing to surface of circuit board
Inventor: FRIEDRICH MANFRED
IPC: H01F27/02
Filed: 1990-11-04
Abstract: The component housing comprises a beaker (1) with integral elastic locking elements (4,5) allowing it to be secured to a circuit board (8), upon fitting through corresponding openings in the circuit board surface. Pref. the beaker (1) has 4 locking hooks formed integral with its peripheral wall. The hooks are arranged in corresponding pairs, with a locking nose at the end of each hook engaging the rear face of the circuit board after fitting through the circuit board opening. ADVANTAGE - Simple mfr. and assembly.
Patent DE-4037935-A1 (DE)
Inventor: SCHULZ REINER
IPC: F04F5/46
Filed: 1990-11-23
Abstract: The invention concerns a device for concentrating jets of gas intended for use in metallurgical or chemical processes. The device has an input nozzle centrally mounted in a jet head so that it points towards a mixing chamber with which a diffuser is coaxially connected. In order to avoid the usual disadvantages of such devices and make a device available which is simple in design, as compact as possible and reliable in operation, at the same time having a higher efficiency or operating at a higher pressure compared with devices of a similar size, the invention proposes that the input nozzle (10) be a ring-jet nozzle with a centrepiece (12) which tapers conically towards the mixing chamber (31) of the output nozzle (30).
Patent DE-4038125-A1 (DE)
Title: Endoscope position-indicating equipment inside chamber - comprises annular transparent bubble tube round lens periphery
Inventor: BAREINZ HARTMUT
IPC: A61B1/00
Filed: 1990-11-27
Abstract: The equipment indicates the position of an endoscope inside a boiler chamber etc. The distal end has a basic lens and light-emitting lenses and a protective cap. Between the cap (3) and the distal end (1) is a transparent annular tube (10) round the periphery of the basic lens (6). This is filled with liq. so as to enclose an air bubble. The liquid can contain a contrasting agent. USE/ADVANTAGE - Clear indication of position, the bubble remaining at the 12 o'clock position in the tube and being visible through the endoscope eyepiece.
Patent DE-4038322-A1 (DE)
Title: Thin film magnetic head for magnetic disc memory - has optimised geometry to provide high efficiency operation
Inventor: SCHOLZ CHRISTIAN DIPL ING DR I
IPC: G11B5/31
Filed: 1990-11-30
Abstract: The thin film magnetic head has a lozenge shape with a magnetic base and cover (2) that have the same plan surface profile that has a part circular section (8) and tapered sides (9, 10). A circular section (3) provides a contact region between the two. Between the two magnetic elements is a cavity through which the windings of the coil (5) pass. - The optimum form for maximum efficiency is fixed in relation to the angle (X), distance to contact point (P) and the number of windings.
Patent DE-4038874-A1 (DE)
Inventor: KADAGIES KLAUS
IPC: D06B1/14
Filed: 1990-12-06
Abstract: The device (100) disclosed has a horizontally turning drum (10) on to one side of which the web (1) runs down. Slightly below the point (3) at which the web runs on to the drum, a liquid-impermeable belt (20) which follows the motion of the drum presses against the outside of the web (1) and hence the drum (10), sealing off the nip (9) between the belt and the drum. The two edges of the belt (20) have flanges (25) which engage in grooves (23) in the drum (10), thus delimiting the nip (9) in the axial direction.
Patent DE-4041838-A1 (DE)
Title: Detachable bolt esp. for use between vehicle and trailer - has head with radial hole in and shank with clamping sleeve
Inventor: BOURAUEL PETER
IPC: F16B21/12
Filed: 1990-12-24
Abstract: The detachable bolt (1) for joining several components, especially for an agricultural or constructional vehicle with trailer, has a head (2) with a radial hole in (4) and bolt-shank (3). The bolt shank (3) can be turned in relation to the head (2). The shank (3) is pivot mounted in a hole (13) in the head (2) and secured preferably by a clamping sleeve (14). The clamping sleeve (14) has a grip (12) which can be turned round a guide part (5) and/or locked. One end of the guide part (5) grips directly or by means of a hook (9) fixed to it, behind the part of the bolt-holder (15, 16) not subject to force. ADVANTAGE - The bolt is securely manipulated and does not twist or turn with heavy trailer-loads.
Patent DE-4100723-A1 (DE)
Inventor: MEUER JOHANNES DIPL ING
IPC: B60R17/02
Filed: 1991-01-10
Abstract: In a central-lubrication assembly for vehicles, with a lubricant reservoir, with a lubricant pump connected on the inlet side to the lubricant reservoir and on the outlet side to at least one lubricant distributor, there is used for the pressure relief of the lubricant distributor and for limiting the pressure built up by the lubricant pump a combined pressure-relief and pressure-limiting valve (6) which is equipped with a piston (9) displaceable counter to the effect of a return spring (8) in a bore (7) of a housing (5). The piston (9) can assume three different working positions, in a first position the pressure relief being obtained, and in a third position pressure limitation in the system being ensured.
Patent DE-4103921-A1 (DE)
Title: Elastic coupling for shaft - consists of main housing with flange and radially protruding vanes between which has bushings
Inventor: NAITO KENICHI
IPC: F16D3/78
Filed: 1991-02-08
Abstract: The elastic coupling has a main part (A) consisting of a flange (1) from which radially rigid vanes (2) stick out and between which are three bushings (3).  The bushing's outer surfaces lie outside the free ends of the vanes.  The vanes and bushings are joined by elastic rubber pieces (4). A round housing (B) with a base (10) presses the bushings towards to the main part's middle axis.  The housing's inner radius (Ro) is greater than the radius (R1) joining the free ends of the vanes (20) with the main part's axis, but smaller than the radius (R2) extending to the bushing's outer surfaces. USE/ADVNATAGE - The elastic coupling is easily joined to a shaft.
Patent DE-4104105-A1 (DE)
Title: Unit measuring potential separate current at 3=phase asynchronous motor inverter - determines current in intermediate circuit across shunt and is compensated corresp. to fluctuations in current circuit
Inventor: MEISER GERD
IPC: G01R19/00
Filed: 1991-02-11
Abstract: The measurement value determination lies at the intermediate circuit potential. The potential separation is carried out across a voltage frequency converter in conjunction with a light conductor transmission. The digitally processed measurement signal allows synchronisation with external controls. The current is measured directly across a shunt instead of the known current transformer. ADVANTAGE - Voltage fluctuations in intermediate circuit have no influence on current value determination and high protection against interference is achived. Signal transmission is also free of electromagnetic and HF interferences.
Patent DE-4104491-A1 (DE)
Title: Appts. for positioning inspection or repair mast in water-cooled nuclear reactor vessel - has conical seating joint between centring pins and centring holes, to hold vertical inspection and/or repair mast with TV camera
Inventor: OSUSKO BORIS
IPC: G01B11/27
Filed: 1991-02-14
Abstract: Appts. positions a vertical inspection and/or repair mast (5) within a water-cooled nuclear reactor vessel. The lower end of the mast is equipped with centring pins (11, 11a) and a television camera (20) for observing insertion of the casting pins into the centring holes (8, 8a) of a support plate (4) within the reactor vessel, correct horizontal positioning of the mast being determnined by alignment of a mark on the mast below the camera with a mark on the support plate. A conical seating joint is provided between the centring pins (11, 11a) and the centring holes (8, 8a) and that the centring pins are spring mounted in holders (25) associated with the mast (5). ADVANTAGE - The design facilitates play-free fixing of the mast to the support plate.
Patent DE-4105782-A1 (DE)
Title: Connection fitting fastening system for corrugated tubes - uses grooved two-part sleeve, outer bush, and upsetting process
Inventor: FUEHRMANN SIEGFRIED
IPC: F16L25/00
Filed: 1991-02-23
Abstract: The system is for fastening of a connection fitting to the end of a helically or circular corrugated metal tube (1). A divided sleeve (2) with internal grooves corresponding to the corrugations, is fastened to the tube, and is clamped and mechanically fixed by an outer sleeve (3) against a bush (5). The outer sleeve has been previously placed on the tube, and the bush has a shoulder, and a chambered sealing element (4). Some of the corrugations are plastically deformed and upset. The resulting shoulder (7) is non-turnably pressed against the sealing element in the bush. ADVANTAGE - Requires no welding. Can be assembled by unskilled personnel with simple tools.
Patent DE-4111118-A1 (DE)
Title: Micro-mechanical capacitative pressure transducer - has diaphragm spring with frame coupled to movable electrode plate ia diaphragm
Inventor: RAUCH MANFRED PROF DR SC TECHN
IPC: G01L19/04
Filed: 1991-04-03
Abstract: The transducer is pref. mfd. from monocrystalline silicon, glass or ceramic by planar microstructure etching technique. The diaphragm (1b) of the diaphragm spring component (1) has column and/or strip shaped or strip-form spacers (7) of insulating material or covered with insulating material on the side of the movable electrode plate (1c). The height of the space limiters is lower than the thickness of the frame (1a) of the diaphragm spring component. Alternatively, the electrode cover (2) possesses the space limiter having a height lower than the difference between the frame (1a) and the thickness of the diaphragm (1b). The cover (2) has a temp. dependent resistive path (8) near the fixed electrodes (2a) or circling it. Temp. dependent elements on the side of the diaphragm spring component and/or the cover (2) limit the counter pressure chamber (5). USE/ADVANTAGE - Detecting pressures in appts. and installations where control functions must be derived, e.g. consumer goods mfg. industries, motor vehicle mfr., appts. construction etc. Protected against damage from overloading. Compensates for errors arising from temp. variations.
Patent DE-4112760-A1 (DE)
Title: Multi-axle drive for printing press - uses two shunt DC motors in parallel with control of field circuits to give constant speed
IPC: B41F13/004
Filed: 1991-04-19
Abstract: The printing press has a multi-axle drive between the input feeder and the output tray. Two of the axles are driven by DC motors, one motor having a larger rated torque than the other. The two motors are shunt motors, with their armature circuits in parallel and supplied from the same rectifier. The two field circuits are supplied by separate rectifiers, each with its own control member.  There is a tachometer attached to one motor. The two motors are operated at the same speed by the field controllers and the load torque is shared between the motors. The control of the field rectifiers to give constant speed as the load changes can be done by a microprocessor. ADVANTAGE - Ability for the fine tuning of field voltages to give constant speed at all loads.
Patent DE-4120899-A1 (DE)
Title: Electric motor commutator mfr. - filling concave recesses in surface of commutator ring with solder for supplying thermal welding points
Inventor: TERADA YUICHI
IPC: H01R43/06
Filed: 1991-06-25
Abstract: The electric motor commutator is mfd. by applying solder material to specific points around the outside of the commutator ring, to which conductors are to be attached by thermal welding. The surface of the commutator ring is machined to provide concave recesses, each communicating with one of these points and filled with molten solder material so that the latter flows to the required point. Pref. the concave recesses are filled with the solder material using a capillary effect. ADVANTAGE - Reduced usage of solder for reducing commutator mfg. cost.
Patent DE-4133443-A1 (DE)
Inventor: SEEGERS HANNS DIPL ING
IPC: F16C33/46
Filed: 1991-10-09
Abstract: The invention relates to a cage (1) for roller bearings with compartments (3) formed by webs (4, 7) into which project peripheral sections (5) of cylindrical rollers (2, 2a, 2b), where the cage (1) is arranged radially inside or outside an arc of the rollers (2, 2a, 2b). Here, the compartments (3), in relation to a central point of the bearing, have an angular dimension ( gamma ) between their edges (3 and 3b) turned towards the rollers (2, 2a, 2b) which corresponds to at least a sum of an angle ( alpha ) formed by end points (5a and 5b) of the peripheral section (5) and an angle ( beta ) formed by end play, whereby said end play can be found between a first and a last roller (2a and 2b) of a row of mutually tangent rollers (2). This means that one or more cage webs cannot be loaded in opposite directions. A single or, in special cases, all the cage webs can be loaded in the forward direction and then only with the force needed to advance the cage.
Patent DE-4139347-A1 (DE)
Inventor: KLEIN HANS JOACHIM
IPC: B21D39/03
Filed: 1991-11-29
Abstract: The invention relates to a clinch-joining device for the permanently firm joining of two sheets clamped together during the clinch-joining process, comprising a die (1) arranged in a fixed manner on a head piece (5) of the device and of a punch (2) which can be pressed against the said die by means of a toggle-lever mechanism (SM), is mounted in a pivotable holding-down device (7) forming one member of the toggle-lever mechanism (SM) and can be subjected to the joining force separately from the holding-down force. Arranged in the head piece (5), which is provided with two separate drives (3, 4) that can be actuated separately and in succession, there is, according to the invention, the clamping mechanism (SM) actuable by the first drive (3), the holding-down device (7) of which clamping mechanism, which contains the punch (2), is mounted on the head piece (5) and can be pivoted against the die (1) arranged in a fixed manner on the head piece (5). The clamping mechanism (SM) is assigned a pressure-lever mechanism (8) which can be actuated by the second drive (4) and the pressure arm (9) of which is connected in articulated fashion to the holding-down device (7) via a rocker lever (10) acting on the punch (2), designed as a pressure member and pivotably mounted on the holding-down device (7).
Patent DE-4204533-A1 (DE)
Title: Injection bore anchor - has anchor rod in area adjacent to anchor plate enclosed by tubular cylindrical rubber component
Inventor: GRUBER HEINZ
IPC: E21D21/00
Filed: 1992-02-15
Abstract: The injection bore anchor comprises at least an anchor rod, an anchor plate (4) together with a tension nut (5) and a bore head. The anchor rod is bound into an enclosure in the area adjacent to the anchor plate. The enclosure, which can be rubber or plastics, (16) is firmly arranged on the anchor rod and seals the ring space between its inside and the outside of the anchor rod. At both ends of the enclosure are casings (17) closing the ring space on the face side and rotatably fixed on the outside of the anchor rod (2). Each casing is tightly screwed to the anchor rod and is in sealed connection with the tubular cylindrical enclosure (16). USE/ADVANTAGE - In rock boring and mining, an injection bore anchor with a reliable corrosion protection, and which is easy to handle.
Patent DE-4212102-A1 (DE)
Inventor: TAYLOR KEITH RAYMOND
IPC: H04M3/42
Filed: 1992-04-10
Abstract: A circuit 16 suitable for computer supported telephony applications (CSTA) comprises an interface for connection to a host processor or computer 15, a second interface for connection to the network interface of a digital telephony switching exchange 13 (PABX), and a call processor for converting calls from the protocol of the host processor or computer into the protocol of the network interface of the switching exchange. Effectively the circuit 16 appears to the digital exchange 13 as another digital exchange and so the CSTA system is transparent to the digital exchange. The host processor or computer can control PABX facilities to connect or disconnect parties via the PABX network interface without substantial changes to PABX software. A CSTA system is thus provided in which PABX software remains virtually unchanged. <IMAGE>
Patent DE-4214107-A1 (DE)
Title: Multi-section drinking straw - is made in two halves of wood for easier disposal.
IPC: A47G21/18
Filed: 1992-04-29
Abstract: The straw can be used for sucking up and drinking cool drinks. It may be of circular or rectangular cross-section and is closable by a stopper (22). The wooden casing has notches (20) forming ideal break points. The drinking straws (10) can be fitted together by the stoppers or can fit into building blocks. USE/ADVANTAGE - The drinking straw is made from a renewable energy source. Once used it can be broken up and re-used in building block games.
Patent DE-4215634-A1 (DE)
Title: Welding head suction device - has independently movable suction cable, acting also as holding grip
IPC: B23K9/32
Filed: 1992-05-12
Abstract: Suction canal for a portable welding gun is made a flexible cable (20) connected to the suction head (53) fitted to the welding head (3) of the gun. The cable is independently moveable w.r.t. the weld material feeding tube (7). The cable together with the suction head (53) is easily disconnected from the welding head (3). The suction action is controlled by a valve (40) which has a step-like action. The connection of the suction head to the welding head may be a push-fit or a screw joint. ADVANTAGE - The flexible cable is used as a holding grip (50) which has a high degree of flexibility.
Patent DE-4215780-A1 (DE)
Title: Household appliance in transit - has bolts and perforated sheet metal sleeves to retain suspended interior system
Inventor: HAGEDORN KLAUS DIPL ING
IPC: F16F1/377
Filed: 1992-05-13
Abstract: Equipment to stabilise the suspension system of a household appliance during transport, consists of bolt holes and bolts. These are fixed through the back wall to the suspended part, with a sleeve between. The sleeve is made up from flat perforated sheet material, rolled into a tube. The suspended system has the tub balanced by wt. against a set of spiral springs attached to the housing. To prevent movement in transit, which may cause damage to electrical fittings, the drive wheel is clamped to the back wall or a cross bracket, by two bolts (34) screwed (32) into the wheel (18). ADVANTAGE - During rail transport a wagon may be shunted at 25 k.p.h. The back of the appliance would be damaged when using ordinary bolts and sleeves. The perforated sleeve will absorb the force without damage to the back wall, or interior device.