baber/WOPTO huggingface dataset:
Patent DE-4121996-A1 (DE)
Inventor: GRATHOFF HARTMUT DIPL ING
IPC: B65G67/60
Filed: 1991-07-03
Abstract: Conveying equipment, especially a ship discharger, comprises a raisable and lowerable jib arm (2) and a drop arm (1) pivotably connected to the jib arm at a pivot point (10). Extending in both arms is an endless belt conveyor (4) with compartments for receiving flowable material. The belt runs of the conveyor are guided by guide rollers which, in the region of the junction of the arms (1, 2), are carried by link chains. The link chains are supported by way of support rollers on two curved rails (13), which are secured to an intermediate frame (11) disposed between the arms and connected to piston-cylinder units (12) for pivoting the drop arm (1). A lower deflecting drum (21) for the conveyor belt depends, by way of a slidable lower member and slidable rods (19), from the lower ends of the chains, which are connected by tension setting devices (20) to the jib arm (2). <IMAGE>
Patent DE-4127200-A1 (DE)
Title: Articulated connection with support ball pins - has horizontal cut sections allowing easy  replacement of individual parts
Inventor: OLZSCHA HARTMUT
IPC: F16C11/06
Filed: 1991-08-14
Abstract: The support ball pin is broken down by cuts perpendicular to the longitudinal axis into several components (2,4) of low structural height compared to the overall height. These individual parts can be made, assembled and dismantled individually and can transfer the cutting forces required in the joins. A separated ball dome (4) can be placed in a ball socket (3) with connecting elements set between the ball pins (2) and ball dome. Tensile security elements (7) are formed in the area of the joins. ADVANTAGE - Extremely low structural height, esp. suitable for underground mining.
Patent DE-4130202-A1 (DE)
Title: Continuous casting roller -  is a ring bonded to a core by hard solder to reduce mfg. costs
Inventor: RAISSON GEORGES
IPC: B22D11/06
Filed: 1991-09-11
Abstract: The roller for continuous casting of molten metal, esp. steel, either between two rollers or over a roller with an outer ring in contact with the metal fixed to an inner core, uses a bonding layer (5) between the outer ring (3) and the core (2) of a material with a lower m.pt. than that of the ring and core. When the roller is in use at operating temps., the bonding layer remains solid. Pref. the bonding layer (5) is formed by hard soldering, using a strip applied to the outer surface of the core or the inner wall of the ring, or it is poured into the space between the ring and core. The pref. hard solder is a silver alloy composed of 56 wt.% Ag, 2 wt.% Ni and 42 wt.% Cu, or it is a copper alloy composed of 68 wt.% Cu, 25 wt.% Mn and 3 wt.% Ni. The ring (3) has a thickness of 50-60 mm with an inner cooling channel (4) displaced from the inner surface by a depth of 10-15 mm. The material for the core has a larger coefficient of expansion than the material used for the ring. The ring is of a Cu-Cr-Zr alloy, or a copper with a dispersed oxide. ADVANTAGE - The ring mfg. costs are significantly reduced, while still retaining the required heat transfer function with the cast molten metal and keeping the necessary dimensions at the cast material.
Patent DE-4130213-A1 (DE)
Title: Control circuit for switched current regulator - uses comparator acting as pulse width modulator for controlling transistor switch element.
Inventor: LEMKE REINHARD
IPC: G05F1/56
Filed: 1991-09-11
Abstract: The switched current regulator acting as a constant current source in PCM appts. has a control circuit provided by a comparator (22), controlling the switch element (18) via a coupling capacitor (20). The inverting input of the comparator (22) is supplied with a sawtooth voltage (b) obtained from a clock signal (a), its non-inverting input receiving a regulating voltage (c), obtained from a current measuring element (9) inserted in the current circuit of the switch element (18) via an amplifier. Pref. the switch element (18) is provided by a bipolar transistor or a FET, the comparator (22) acting as a pulse width modulator. ADVANTAGE - Loss-free control of switch element and reduced output filter.
Patent DE-4133415-A1 (DE)
Title: Cable inlet with grooves on inside wall kept filled with lubricant - by combination of viscosity, surface tension and groove dimensions
Inventor: VOGELSANG HORST
IPC: H02G9/06
Filed: 1991-10-09
Abstract: Cable inlet has an inlet tube of thermoplastic plastics with a round cross-section and parallel grooves and ribs on the inside wall. The grooves are filled with a lubricant (I) which wets the inside wall and has a given viscosity and surface tension. The depth and width of the grooves are such that the action of the surface tension, viscosity and wetting force keeps the grooves full of (I). Pref. (I) is glyceryl caprylate, caprate, lamellar silicate, triglycerides of fatty acid with medium chain length and/or silicones. Pref. the grooves have a depth of 0.1-1.0 mm and max. depth of 0.3-3.0 mm. The grooves and ribs are parallel to the genatrix of the tube or arranged in a spiral or have undulating and/or zig-zag shape. Sections of alternating right- and left-handed sprials and/or combinations of spiral and/or undulating and/or zig-zag and parallel ribs and grooves may also be used. The grovoes and ribs are formed directly on the inside walls or on slides formed on these walls. ADVANTAGE - The inlet reduces friction and is effective long-term.
Patent DE-4139685-A1 (DE)
Title: Lens system for eye-piece of optical instrument - is formed from groups of lenses mounted in common optical axis
Inventor: MUELLER ROLF DR
IPC: G02B25/00
Filed: 1991-12-02
Abstract: The system has a numerical aperture NA which is greater than or equal to 0.1, and an image angle (2W) which is greater than 30 deg. The distance from the surface of the end lens to the instrument opening is greater than or equal to half the focal length. The system consists of an eye side lens pair (G1) which together form a positive lens, an image side lens pair (G3) consisting of a negative lens and a positive lens, and a middle lens group (G2) which consists of positive individual lenses and of at least two lenses. Between one of the lens pairs (G1,G3) there is a thin lenticular space (d2) which forms an air lens. USE/ADVANTAGE - Optical instrument eye-piece with image error correction.
Patent DE-4140477-A1 (DE)
Title: Unrolling strip of advertising displays - involves guide rollers with strip unwound from driven first roller and rolled on to driven second roller and vice versa.
Inventor: CROSSET LEON
IPC: G09F7/00
Filed: 1991-12-09
Abstract: First and second driven rollers accommodate the strip, together with guide rollers. Each driven roller has a rotatably located cylinder casing accommodating a strip winder and a driven shaft. With at least one roller (2) the shaft (4) is connected to the corresp. cylinder casing (5) via a spring (8) tensioned in the winding-on direction. The cylinder casing (5) is located on a shaft (4) via two bearing pieces at its two ends and is connected to a spiral spring traction (8) which is single- or multi-part, and whose one end is directly or indirectly connected to the shaft while its other end is connected to the cylinder casing (5). USE/ADVANTAGE - To unroll and roll up a strip contg. advertising displays. Compensation is achieved and only one drive motor is used.
Patent DE-4140501-A1 (DE)
Title: Ink delivery system for printing machine - has milling roller providing ink transfer between supply and print rollers under microprocessor control
Inventor: PATZELT BERND
IPC: B41F31/14
Filed: 1991-12-09
Abstract: The ink dispensing system has a milling roller (2) running on a shaft (3), carrying milling roller bodies (5) with radial milling elements (6). An internally mounted cam (4) on the same shaft actuates the milling elements. The cam is controlled by a lever assembly (9,10) actuated by microprocessor (5) and motor servo system (11,12,13,14). The ink is fed onto the ducting roller (1) and scraped off by the milling roller elements according to their elevation by the cam. The quantity of ink transferred is so adjustable, and is then transferred to the rubber surface (8) of the print roller. ADVANTAGE - Rapid response to rate setting, variable density on print roller, precise measurement of flow.
Patent DE-4141414-A1 (DE)
Title: Producing cement plate clad with natural stone - has stone plate coated with adhesive prior to pouring with cement in mould
Inventor: BAUMGARTNER HEINZ
IPC: B32B13/04
Filed: 1991-12-16
Abstract: Method of producing a cement-containing support plate clad with a natural stone plate consists of placing the cladding plate with its worked side face down in a mould. The upper face has a saw roughened surface and is painted with a cement adhesive. Before the adhesive hardens, fresh cement is poured in and allowed to set. ADVANTAGE - Is economic method of producing a durable multilayered plate without the fear of hair-line cracks in the cement leading to wastage.
Patent DE-4142016-A1 (DE)
Title: Plastics fuel tank for vehicle - incorporates second skin with adsorption particles to prevent fuel emissions
Inventor: BLUECHER HASSO VON
IPC: F02M25/08
Filed: 1991-12-19
Abstract: The system is used to prevent the emission of fuel from the fuel tank of a vehicle. The tank is made of plastics material and the fuel is surrounded by a gas-tight jacket. Adsorbent materials such as active carbon particles are attached to the side of the jacket facing the fuel tank and the space between the jacket and the fuel tank is purged by air drawn through by the engine. USE/ADVANTAGE - Emission-free fuel tank for vehicle has second skin outside inner skin tank which prevents the escape of fuel vapour emissions to the environment.
Patent DE-4209463-A1 (DE)
Title: Propeller arrangement for ventilation of room or work-place - has drive arms connected to vertical axis in form of elastic torsion rod.
Inventor: BRUENIG MATTHIAS PROF
IPC: F24F7/007
Filed: 1992-03-24
Abstract: The propeller arrangement is for the circulation of air in living rooms and workplaces. It has one or more motor driven propellers (2) connected by drive elements (1) to a suspended axis. The suspended axis (4) is formed as an elastic torsion rod and the propeller-motor combinations are so arranged that their repulsion moment with respect to the axis is greater than their counter-torque moment. USE/ADVANTAGE - Air movement system having very smooth and uniform rotary movement about axis without need for slip rings to transfer energy to motors.
Patent DE-4214286-A1 (DE)
Title: Small diameter double acting pneumatic cylinder - has sealing ring, with axial groove, connecting barrel and cover and is supported against radial surface of cover by sealing bulge
Inventor: HUEBNER HEIMO
IPC: F15B15/14
Filed: 1992-04-30
Abstract: The sealing ring (15) of the cylinder connects the cylinder barrel (1) with a cylinder cover (3) and has a circumferential axial ring groove (16) in which the cylinder barrel engages. The ring section (17) outside the groove is held between the cylinder and a projection (11). The sealing ring is supported against a radial surface (19) of the cylinder cover by a sealing bulge (18). A commercially available damping seal (25) is provided on a flanged section (24). ADVANTAGE - The cylinder which is structurally simple, inexpensive and easy to assemble.
Patent DE-4216405-A1 (DE)
Inventor: BLOCK CHRISTIAN DR
IPC: C23G1/19
Filed: 1992-05-18
Abstract: Storage-stable, pumpable, alkaline cleaning concentrates are composed of aqueous dispersions based on alkali metal hydroxides, in which are dispersed alkali metal silicates and/or alkali metal phosphates as alkaline builders, as well as non ionic and/or anionic surfactants and if required other builders and/or complexing agents and/or active or auxiliary substances known per se. These cleaning concentrates are characterized in that they contain as stabilizers a combination of (a) polyacrylic acid and/or alkali metal polyacrylates and (b) glycerine and/or polyglycerine.
Patent DE-4217451-A1 (DE)
Title: Moisture exchange element
Inventor: TSENG PENG CHANG
IPC: B01D53/28
Filed: 1992-05-26
Abstract: Moisture exchange element (I) is obtd. by (i) impregnating a substrate (II) with an aq. soln. contg. 5-20 wt.% colloidal SiO2, 0.25-2.5% of H2O soluble metallic salt plus an acid to keep pH of at 5-9 then (ii) drying and gelatinising the soln. deposited on (II) to form an absorbent of larger than 20 angstrom pore size on (II)
Patent DE-4219975-A1 (DE)
Inventor: STEINER GERD DR
IPC: C07D403/04
Filed: 1992-06-19
Abstract: New 3-azabicyclo[3.2.0]heptane derivates having the formula (I), in which R<1> and R<2> have the meaning given in the description, are disclosed, as well as their preparation. These substances constitute intermediate products for the preparation of medicaments.
Patent DE-4220667-A1 (DE)
Title: Rotary machine for use as pump - has rollers on double shaft operating belt providing two pumping chambers.
Inventor: SCHMIDT KARLWALTER DIPL ING
IPC: F01C5/02
Filed: 1992-06-24
Abstract: A rotary machine has at least one piston with rollers which locate on the inner surface of a fixed rotary belt. They pump a contained volume between the belt and housing wall from a suction to a pressure side. The machine is a double shafted compressor (1) with connected shafts (5,6) and at least two contra-rotating operating chambers (20,21). The rotating belt (16) provides a permanent separation of the operating chambers. USE/ADVANTAGE - Rotary machine for use as pump gives increased pump capacity for same machine size.
Patent DE-4222583-A1 (DE)
Inventor: BENN BRYAN LESLIE
IPC: B23K20/00
Filed: 1992-07-09
Abstract: A method of making a titanium fan disc for a gas turbine engine comprises providing a pair of identical forged titanium cylinders each having a central bore and a flat end surface at right angles to its central axis, preparing the flat end surface of each cylinder to a high degree of smoothness, abutting the prepared surfaces of the cylinders one against the other in axial alignment, removing air from between said surfaces, and diffusion bonding the cylinders end-to-end by hot isostatic pressing to form the disc. A flange may be provided on each cylinder with a recess to accept a titanium ring 24 which shields the cylinder from an electron beam used to form a weld 28 to seal the joint line for evacuation. The flange is ultimately machined away. <IMAGE>
Patent DE-4224771-A1 (DE)
Title: Sine signal generating circuit using pulse width and/or frequency adjustable, rectangular input signal - changes input signal scanning ratio after each preset number of periods to form first intermediate signal
Inventor: BROECK HEINZ VAN DER DR
IPC: H02M7/48
Filed: 1992-07-27
Abstract: The rectangular input signal (S1(t)) has its scanning ratio complementarily changed after a preset number of periods to form a first intermediate signal (S2(t)). The latter is passed through a low pass filter to obtain a sine signal (U). The circuit passes the input signal through a frequency divider (25). The divided signal changes its scanning ratio after each half-period, and a logic circuit (28) forms the complementary changed intermediate signal from the input signal. The low pass filter (31-33) contains a first stage (31, 32) for prefiltering the intermediate signal, obtaining a rectangular, second intermediate signal (S3(t)), and a second stage (33) for obtaining the sine signal from the second intermediate one. USE/ADVANTAGE - Maintaining sinusoidal waveform of power supply by simple digital control low-cost facility for signal frequency and amplitude adjustment as necessary.
Patent DE-4225249-A1 (DE)
Title: Reaping or haymaking machine - is coupled to tractor by framework hung on vertical axle and has hydraulic rams to raise or lower flanking sections of implements
Inventor: NUSSER JOSEF
IPC: A01B73/04
Filed: 1992-08-01
Abstract: The implement can swing laterally left or right on an axle (11) and in addition, the frame (1) is mounted on a semicircular three point yoke (5). This provides the facility for the implement sections to swing about a mathematical axis (P). The frame consists of implement bearings (2) connected to fixed frame (1) by links (4) pivotted at (3) and mounted in such a way that their projections (10) intersect at the mathematical point (P). The implement sections (7) can move down or up as indicated by points (P" and P') and lines (8,9), and they can also be swung up vertically for road transportation. ADVANTAGE - Works equally well over undulating ground.
Patent DE-4233058-A1 (DE)
Title: Expansion and mixing nozzles - has low pressure sides of oval or quasi-oval cross-section.
Inventor: GRAPENTHIN HORST DIPL ING
IPC: B01F5/00
Filed: 1992-10-01
Abstract: The nozzles or diffusers (1,2) may be used for the expansion and/or mixing of gases. The outer envelope lines, not like centre lines, forming a small angle to the centre lines of the nozzles, generate the tangents of the curved impingement faces of the expansion vessels, thus forming asymmetric nozzles. The nozzles or diffusers may be set tangentially to mixing chambers, to promote swirling flow. USE/ADVANTAGE - Increased time interval for conversion of the kinetic energy of solid, liq. particles and gases into friction heat.
Patent DE-4234584-A1 (DE)
Title: Drive for counter-rotating propellers, esp. for ship - applies opposite torque to propellers and can be controlled to change propeller speeds
Inventor: ALBRECHT JOERG
IPC: B63H21/12
Filed: 1992-10-14
Abstract: The propeller driver is kept in a torsionless position, and applies opposite torque to provide variable rotation for propellers. Several drivers can be directly coupled or coupled through gears to reduce or increase propeller speed. Torque is applied to one propeller and counter-torque is provided by the second propeller. The counterbalancing of the propellers provides for force equilibrium, and obviates the need for several gears. Several gears can be included, but they are optional. Two or more motors can be used and the direction of rotation of the motors affects the redn. or increase in propeller speed. ADVANTAGE - Reduced vibration and power loss.
Patent DE-4236055-A1 (DE)
Title: Seat belt restraint system for vehicle - in which occupant wears sleeveless garment to which vehicle seat belts are attached
Inventor: SCHMITT W MARKUS DR MED
IPC: B60R22/14
Filed: 1992-10-26
Abstract: The safety restraint system is used in a road vehicle. One or more seat belts (8,9) already installed in the vehicle are threaded through the front and back regions of a personal restraint system (2,11,15) which takes the form of a sleeveless garment covering the front and rear of the body. The diagonal belt (8) passes through the back region of the garment and the lap belt (9) through the front region. Belts (5,6) forming part of the garment itself are fastened by belt locks (13) arranged in pinafore fashion. USE/ADVANTAGE - Seat belt restraint system for vehicle is suitable for children or adults, improves the restraint effect and reduces the chances of injury.
Patent DE-4236393-A1 (DE)
Title: Originality or anti-tampering seal for container
IPC: G09F3/03
Filed: 1992-10-28
Abstract: The seal has a connecting element (20) is connected to one of the outer component parts (14,24) by a irreversibly detachable adhesive layer (22). The connecting element is permanently connected to the other outer component part (16,26) and not separable. The adhesive layer is manufactured as a dry-peel layer by a dry lacquering. The connecting element consists of a material which is irreversibly deformable during separation of the adhesive layer.
Patent DE-4237776-A1 (DE)
Title: Chain for transmission of movement and/or forces - has inter-engaged individual links hinged together into rigid unit transverse to common travel plane
Inventor: ROSSMANN CHRISTOPH
IPC: B65G17/08
Filed: 1992-11-09
Abstract: The chain has numerous individual links (A,B) in a common travel plane, interconnected and swivelable w.r.t. each other. The inter-engaged, adjacent individual links are hinged together along edge faces orthogonal to the common travel plane, directly forming a rigid unit, transverse to the common travel plane. Pref. each link has a three-layer structure with an inner core (K) and two side portions of identical shape. Each inner core typically has a beak-shaped, downwards curved protrusion (1) starting from the front edge in motion direction, and a downwards and forward bent hook (2), starting from the rear edge. ADVANTAGE - Wide exclusion of undesirable link motion, yet enabling link exchange without special tools.
Patent DE-4238087-A1 (DE)
Inventor: BOTT REINHARD DR ING
IPC: B01D29/84
Filed: 1992-11-11
Abstract: In a process for mechanically dehumidifying a filter cake, differential pressure causes a treatment fluid to flow through the filter cake. Pressure and temperature on the side of the filter cake which faces the filter surface are set in such a manner that the treatment fluid is present there in its liquid phase, whereas pressure and temperature on the side of the filter cake opposite to the filter surface are set in such a manner that the treatment fluid is present on that side in its gaseous phase.
Patent DE-4241008-A1 (DE)
Title: Bicycle support frame for attachment to rear of car - uses tubular construction with interlocking rotary connections secured by pins
Inventor: BRAASCH HANS
IPC: B60R9/10
Filed: 1992-12-05
Abstract: The arrangement has a receptor tube (22,36) is fitted in or outside two carrier beams (13,14) provided on the car (10). A radially projecting locking pin (34) is provided on the inner end of the tube. The carrier couplings (37,48) have a locking slot (44) which, in combination with the locking pin, forms a lockable rotary connection. The carrier couplings are formed from the coupling tube (38) and the coupling sleeve (40). ADVANTAGE - Does not require the use of a trailer coupling to support the frame. It is easily assembled without special tools.
Patent DE-4242664-A1 (DE)
Title: Thermostat locking nut cover on heating valves
Inventor: RUMP GEORG F
IPC: G05D23/02
Filed: 1992-12-17
Abstract: A thermostat valve of a type used in a heating system has the thermostate element (1) mounted on the body and secured by a locking nut (3) that engages a threaded section (4). The nut is covered by two half shells (6) of plastic. The half shells are produced with hook sections (8) that locate in the groove formed around the nut. An axial force is applied to maintain engagement by a number of projecting fingers (9).
Patent DE-4302521-A1 (DE)
Inventor: HEINRICH PETER DIPL ING
IPC: C23C4/067
Filed: 1993-01-29
Abstract: The invention relates to a metallic powder for making wear-resistant surface layers by means of a thermal spray process, which powder consists of one or more transition metals, in particular predominantly of nickel or iron, and in each case chromium as alloy element and which, in addition, contains at least one metalloid, especially boron, carbon, silicon or phosphorus. The characterising feature of the powder is that the powder grains contain occlusions which consist of sintered particles derived from the particular metalloid. The invention also relates to a preparation process for the powder and to a preferred application technology.
Patent DE-4308247-A1 (DE)
Inventor: GOUGH REX MALCOLM
IPC: B65H7/12
Filed: 1993-03-16
Abstract: Infeed apparatus for shoot handling apparatus such as a mail processor and which allows for both the manual and automatic feeding of inserts, includes sensor means 32, 33 for detecting (i) whether more than one insert has erroneously been fed automatically from one insert tray 13; or (ii) whether an insert has correctly been fed manually from another insert tray 14 following a single feed from tray 13. In the former case, the apparatus is arranged to signal a fault to an operator and the two or more automatically fed inserts are held at gate 17. In the latter case, the manually fed insert together with the single automatically fed insert are passed to rollers 11, 12 of the sheet handling apparatus. <IMAGE>