baber/WOPTO huggingface dataset:
Patent DE-3943136-A1 (DE)
Inventor: STEINHILBER HELMUT
IPC: B65H3/44
Filed: 1989-12-28
Abstract: A device for automatically feeding individual sheets and the like, in particular to an office machine (10) is described. The device has a magazine (12) in which stacks (14) of the individual sheets can be inserted in a freely selectable number and with a freely selectable holding volume. By means of a carriage (42), a sheet-separating device can be moved in front of the end side of the stacks (14) over the entire length of the magazine (12) and positioned in a controlled fashion. The stacks (14) are arranged in the magazine (12) in a non-movable fashion. The sheet-separating device engages between the stacks (14) and can be activated between the stacks (14) in order to draw off a sheet from the selected stack (14) and feed it to the office machine (10) via transport means. 
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Patent DE-3943398-A1 (DE)
Title: Folding table with hinged top - has inverted T=shaped leg attached to each half of table top
Inventor: RIEDL ACHIM
IPC: A47B3/083
Filed: 1989-12-30
Abstract: The folding table is for use in a caravan. It has a table top consisting of two halves (1) which are connected by hinges (3) so that they can be folded flat one against the other. The table top (1) is supported on inverted T-shaped legs. The upper end of the vertical part of each leg is fastened to a cross-bar which slides in a guide in the underside of the table. When the table top is folded the legs (2) lie flat on the outside surface of each half. USE - Tables for use in caravans.
Patent DE-4004590-A1 (DE)
Title: Torque measuring device for machine component
Inventor: DOBLER KLAUS DIPL ING DR
IPC: G01L3/14
Filed: 1990-02-15
Abstract: The torque measuring device for a rotary or stationary machine component uses a torsion element in the form of a spoked wheel, some of the spokes (6) provided by flexure rods, the alternating spokes (18) being divided into 2 halves (18a, 18b) by a slit. When the permissible flexure of the flexure rods is exceeded, both halves (18a, 18b) of the alternating spokes (18) are brought into contact with one another, to allow the additional flexure moment to be transmitted to the alternating spokes (18). Pref. the rigidity of the alternating spokes (18) is sufficiently high to provide a second measuring range.
Patent DE-4004643-A1 (DE)
Title: Shaft bearing housing with perforated flanges - which are set on annular halves and have shoulders on opposite facing fronts
Inventor: BLAUSS FRIEDRICH
IPC: F16C35/02
Filed: 1990-02-15
Abstract: The shaft bearing housing has flanged parts (20, 22; 24, 26) resting against the identical annular halves (10, 12) enclosing the bearing aperture (14). The flanged parts have perforations (42, 44) for tensile bolts holding the annular halves together. The axially facing ends (28, 32; 30, 34) of the flange parts of both annular halves aer stepped. The step flanks (36) in the transition to corresp. flange parts have each two smooth flank sections (36', 36'') starting from the same ends.
Patent DE-4007165-A1 (DE)
Inventor: KLEINKORRES UWE
IPC: H02G3/04
Filed: 1990-03-07
Abstract: The invention relates to a cable channel, such as wall trunking, apparatus moulding channel or the like. The housing of such a cable channel has an opening, which can be closed by a cover, on one side. At least one side wall of the cable channel and also the outside of its base has continuous grooves, each having a groove opening whose boundary walls are equipped in places with coupling projections. According to the invention, it is proposed to fit mating couplings of a holder 31 for convection-grid profiles 50 to these coupling projections. Such a holder 31 for convection-grid profiles 50 is constructed in the form of a honeycomb. In this case, each honeycomb consists of walls and lateral walls which are arranged in pairs at a distance from one another. Each honeycomb bounds a space 49. The mating couplings are allocated to the one wall of the pair 34 of walls, and at least one retaining space 41 for a convection-grid profile 50 is allocated to the one lateral wall 36 of the pair of lateral walls.
Patent DE-4019131-A1 (DE)
Title: Holder for drinking vessel attached to car or boat - provision of movable lid to keep out insects
Inventor: WIRTH HARRY
IPC: B60N3/10
Filed: 1990-06-13
Abstract: The holder is for a drinking vessel, esp. an aluminium can containing lemonade. It incorporates a support in the base (2) to receive the vessel and is fitted with a fastening arm (3) at right angles to the base. A cover (4) parallel to the base can be moved up and down the arm by means of a groove (9) to form a lid for the vessel when opened. USE/ADVANTAGE - Holder suitable for a boat or a vehicle having a lid which prevents bees and wasps falling into the liq. in the vessel.
Patent DE-4022285-A1 (DE)
Title: Aircraft toilet servicing vehicle - has low slung tank and with height adjustment to match discharge port
Inventor: KOCK JOSEF ING
IPC: B62D59/04
Filed: 1990-07-12
Abstract: The low slung shallow tank (2) is mounted on a two axle support, with the front axle (12) steered via the drawbar (16). The rear of the vehicle has a battery driven power unit (21) which pushes a drive wheel (25) to the ground to lift the vehicle to the discharge part. The drive wheel moves and steers the tank into position. With the drive wheel in the operating position the front axle is blocked. The power unit includes a flushing pump to clean the discharge part. ADVANTAGE - Easy to position under low aircraft. Clean discharge facility, self propelled for final positioning.
Patent DE-4027430-A1 (DE)
Title: Fixture of artificial tooth to denture plate -  involves sprung-located arrester fitted in tooth
Inventor: SCHMIDT-MUELLER UWE
IPC: A61C13/265
Filed: 1990-08-30
Abstract: The arrestor engages behind a projection fitted to the residual denture plate and aligned in the natural direction of the teeth. It is self-sprung, and the projection (3) is a component of a cap (2). The false tooth (8) has a hollow cavity (15) for support on at least one cap (2) of a tooth stump (1). The arrestor takes the form of a stirrup spring (10) of the bilateral type, and yet a second projection (3) as part of a second cap (2) covering a further tooth stump (1) is available, behind which the bilateral stirrup spring (10) also engages. The arrestor is screwed (11) to the artificial tooth (8), the screw having a socket (12) adhered to the artificial tooth. The projection (3) has an inclined top surface, and an inclined locking surface (5). USE - To fix releasably an artificial tooth to a residual denture plate.
Patent DE-4029247-A1 (DE)
Inventor: LEE JANG-KYU
IPC: G11C7/10
Filed: 1990-09-14
Abstract: A dual-port memory device for split data transfer comprises: a first normal memory pan comprising a first RAM 20, a first SAM 22 and a first transfer gate 24 connected for memory data transfer between them, a second normal memory pan comprising a second RAM 30, a second SAM 32 and a second transfer gate 34 connected for memory data transfer between them; a transfer memory signal generator 40 for providing first and second transfer signals to the first and second transfer gates respectively; and a redundant memory 50 comprising a redundant RAM 60, a redundant SAM 62, a redundant transfer gate 64 and a redundant transfer signal generator 70 for selecting one of the first and second transfer signals so that if a defect arises in either memory pan the redundant memory can substitute therefor. <IMAGE>
Patent DE-4030608-A1 (DE)
Title: Installation for spraying workpieces with powder - has two spraying booths mounted on turntable
IPC: B05B15/12
Filed: 1990-09-27
Abstract: Workpieces are coated with a powder which is applied by spraying as the workpieces are transported through the spraying booth (1) by a conveyor (6). The spraying booth (1) is mounted on a turntable (3) on which a second similar booth (2) is mounted in a diametrically opposite position. When a different type of powder is to be sprayed the turntable (3) is rotated through 180 deg to bring the second booth (2) into use thus saving considerable time in the change-over from one type of powder to another. USE - Applying a powder coating to workpieces.
Patent DE-4030638-A1 (DE)
Inventor: SCHULZE JOACHIM DIPL CHEM DR
IPC: C08L57/00
Filed: 1990-09-27
Abstract: The invention relates to a redispersible powder composition comprising a) a base polymer from the group comprising vinyl ester polymers, styrene polymers, acrylate polymers and vinyl chloride polymers, b) 2 to 15% by weight, relative to the base polymer, of polyvinyl alcohol having a degree of hydrolysis of 85 to 94 mol % and a Höppler viscosity of 2 to 25 mPaxs, c) 3 to 30% by weight, relative to the total weight of polymer components, of a fine antiblocking agent, d) 0.1 to 2% by weight, relative to the base polymer, of antifoams, which contains e) 1 to 8% by weight, relative to the base polymer, of a fully hydrolyzed 1-alkylvinyl ester/vinyl ester copolymer having a Höppler viscosity of 1 to 5 mPaxs. The redispersible composition according to the invention is suitable in particular for use in flowing, hydraulically setting leveling compounds. Further areas of application for the redispersible powder composition according to the invention are its use in building adhesives, mortars, as an additive to gypsum, and in plasters and emulsion paints.
Patent DE-4031377-A1 (DE)
Title: Explosive dust sweeping machine - hurls by rotary drum into trough with conveyor discharging into open hopper
Inventor: STADLER SIEGFRIED
IPC: E01H1/04
Filed: 1990-10-04
Abstract: The mounted or self-propelled sweeping machine collects inflammable, explosive or other dust, and dirt in granular form. The dust is hurled by a rotary sweeping drum (1) into a collector trough (2) incorporating a conveyor trough (9). From this it is discharged by a conveyor (3) continuously into the open dust hopper (4). The drum can be covered by a dust cowl (5) with a sufficiently wide slot at the top. ADVANTAGE - No damage to machien if explosion takes place.
Patent DE-4035949-A1 (DE)
Title: Cable distribution bard with partially sunk foundation base - allows cable laid in ground to be led from ground region into board housing
Inventor: ECKERT GUENTER
IPC: H02B1/50
Filed: 1990-11-09
Abstract: The distribution board housing (1B) is mechanically connected to the foundation base (1A), so that with a predetermined force reaction on the distribution board housing, this connection is released. The electrical operating means (2A) are arranged on an integrated carrying plate (2), which by means of fixing elements provided with preset breaking points is connected with the distribution board housing (1B). The integrated carrying plate, additionally is held by means of guide elements (1E; 2C), so that after the breaking off of the fixing elements (D), the carrying plate (2) is movable downwards approximately parallel to its fixing surface in the distribution board housing (1B). ADVANTAGE - Fixing place of inserted operating means at board housing is so designed, that damage to them is prevented.
Patent DE-4037388-A1 (DE)
Inventor: SCHEIBE HANS-JOACHIM DR
IPC: C23C14/32
Filed: 1990-11-22
Abstract: The invention is applicable to pulse-operated vacuum arcs, as used for instance as plasma sources in the production of coatings and for the mass-spectroscopic analysis of electrically conducting materials. The invention calls for a diode (8) to be connected in parallel with the discharge gap so that the cathode of the diode is connected to the arc anode (4) and the anode of the diode to the arc cathode (5).
Patent DE-4037796-A1 (DE)
Title: Swinging gate blocking check-out point passageway - has lockable U=shaped metal bar extending across passageway
Inventor: WANZL RUDOLF
IPC: E06B11/08
Filed: 1990-11-28
Abstract: A vertical axle (10) joins the open ends of the shanks of the U-shaped metal bar.  As the gate (8) swings from closed to open, the hinge ends (7) rotate towards the supermarket customer or trolley. In order to protect against a dangerous clash, the hinge housing has sloped sides (12) to deflect the trolley away from these projections. The sides are pref. of pliable plastics material. ADVANTAGE - Safety, preventing damage to trolley as well as to itself.
Patent DE-4037987-A1 (DE)
Inventor: VETTER RICHARD
IPC: F23L15/04
Filed: 1990-11-29
Abstract: The invention relates to a tube-like heat-exchanger for cooling combustion gases and for heating air, in particular combustion air, the tubes being run alternately from one side to the opposite side of the exchanger. In order to manage with a small material outlay, the tubes are intended to conduct the combustion gases through, while the air is conducted in counterflow in the direction of the tubes in ducts guided to and fro, which serve to receive the tubes. <IMAGE>
Patent DE-4038216-A1 (DE)
Title: LED prodn. on transparent substrate - by single liq. phase epitaxy step, useful for integration on chip, etc.
Inventor: LINNEBACH RICHARD DIPL PHYS DR
IPC: H01L33/00
Filed: 1990-11-30
Abstract: In LED prodn. the novelty is that the semiconductor layers (2,3,4) of the LED structure and a transport semiconductor substrate layer(s) are deposited on a support substrate (1) by liquid phase epitaxy (LPE) in a single process step. Also claimed is a double heterostructure LCD in which an active layer (3) is sandwiched by two cladding layers (2,4) of greater bandgap than the active layer. The semiconductor layers (2-5) may be epitaxially grown by immersion process or the sliding crucible process. The transport substrate layer (5) may be deposited onto the support substrate (1) before or after deposition of the other layers (2-4). The layers (2-5) may comprise GaAlAsa or GaInAsP layers deposited on a GaAs support substrate (1) or GaInAsP layers deposited on a GaP support substrate. Pref. the layers (2-5) consist of a GaAlAs layers with different Ga and Al contents, the cladding layers (2,4) and the substrate layer (5) having a higher Al content than the active layer (3). ADVANTAGE - The process provides simple prodn. of an LED on a transparent substrate e.g. for integration on a chip or incorporation in a housing.
Patent DE-4039900-A1 (DE)
Title: Rotary joint between two parts of trailer vehicle train - makes use of piston-cylinder units to control rotation of joint
Inventor: KOCH ROBERT
IPC: B60D1/32
Filed: 1990-12-14
Abstract: The arrangement is for damping and controlling the bending movements between the parts of a trailer vehicle. The two parts are connected by a rotary joint with a vertical rotary axis. The inner (2) of two rotary crowns (1,2) is provided with a toothed section (4) in engagement with a counter section (5) on a two armed lever (6) mounted on a joint (7) to which is also attached a connecting piece (11) linked to the outer crown (1). USE/ADVANTAGE - Swivel joint in which relative movements are controlled a pair of piston cylinder units (12,16,17).
Patent DE-4106011-A1 (DE)
Title: Device for treating foaming liquids, e.g. in stripping of animal slurry - by removing gas from slurry by gas rising in contra-flow through column, and passing gases through bent duct at top of column to destroy foam
Inventor: HOCHBERG ULRICH DR
IPC: B01D3/34
Filed: 1991-02-26
Abstract: A device for treating a liq. which tends to foam uses a gas to release a gaseous component from the liq.. The liq. (A) flows downwards over at least one tray in a column (2) through which the gas passes upwards. At least one foam-sepg. duct section, through which the released gas is made to flow, is provided in the column above the trays. This duct extends upwards from an intermediate floor, and its upper end is directed in a tangential direction and is located near the wall of the column. A U-shaped return pipe for the liq. produced by the foam separator leads from above the intermediate floor to a point above one of the trays, and pref. above the uppermost tray. The hydrostatic pressure difference in the long arm of this return pipe is greater than the pressure difference across the duct section. USE/ADVANTAGE - For the treatment of foaming liqs., and esp. for stripping or rectification of animal slurry, and partic. anaerobically fermented animal slurry, in order to release ammonia. Foam is effectively destroyed at little expense
Patent DE-4118884-A1 (DE)
Inventor: DOETSCH WINFRIED DR
IPC: B01F7/02
Filed: 1991-06-07
Abstract: In a kneader mixer for carrying out mechanical, chemical and/or thermal processes, which has at least two axially parallel rotating shafts (5,6), there are to be provided, at least on the one shaft designated as the main shaft (5), disc faces (21) with kneading bars (25) arranged on their periphery. These will be swept by cleaning or kneading and conveying elements (7), which are arranged on the other shaft designated as the stripping shaft (6). In this arrangement, the kneading bars (25) of two adjacent disc faces (21) on the main shaft (5) are to maintain a gap (a) between each other, through which the cleaning or kneading and conveying element on the stripping shaft (6) passes. <IMAGE>
Patent DE-4124901-A1 (DE)
Title: Shower tray for cubicle or bath - has removable seat, and is made of folding sheet
Inventor: BELOVARI FERENC
IPC: A47K3/064
Filed: 1991-07-26
Abstract: The shower-tray consists of a folding seat-trough which can be used in any type of shower cubicle or bath. The seat is removable. When not in use, the shower tray can be folded up compactly and hung from a wall. ADVANTAGE - The shower-tray can be suspended by a cable and 4 hooks from the top edges of the shower cubicle.
Patent DE-4128305-A1 (DE)
Title: Measuring dynamic characteristics of optical transmitter or receiver - using mathematical model defined by given formula, and matching to obtain set of measurements
Inventor: HUELLEN THOMAS DIPL ING
IPC: G01R29/26
Filed: 1991-08-27
Abstract: The optical modulation gradient and the relative intensity noise of an optical transmitter or receiver are determined using a mathematical model which is matched to a measuring set. The mathematical model is defined by an equation expressing the optical input power in terms of a logarithmic function encompassing the reciprocal of the square of the frequency dependant modulation level at a constant electrical input power, the elementary charge and the static response sensitivity, or the photodetector quantum response. The required measurements can be repeated for a number of different frequencies sufficient to allow interpolation of the frequency characteristic. ADVANTAGE - Applicable to non-calibrated electro-optical transducers.
Patent DE-4129829-A1 (DE)
Title: Automatic unloading appts. for bar-shaped food products - positions grippers on defined surfaces of bar, automatically removes bar from stack and places it at defined position
IPC: B65G61/00
Filed: 1991-09-07
Abstract: The automatic unloader extracts individual bars (1) from a stack (6) using suitable displacement mechanism (26,30,32,33) to place suitable grippers (43) on defined surfaces of the bars and remove the bar for deposition at a freely programmable position. The positions of the stack and bars are previously measured in three dimensions using a camera (10,11), distance measurement devices (13), light barriers (14) and a coupled length measurement arrangement (12). USE/ADVANTAGE - Enables automatic extraction of food bars from stack using grippers suitable for the type of bar; accommodates large variations in position of stack.
Patent DE-4130517-A1 (DE)
Title: Connector box for heat exchanger esp. for refrigerant condenser - has semi-cylindrical base with transverse slot-like passages, as intakes
Inventor: BONNERT KLAUS
IPC: F28F9/18
Filed: 1991-09-13
Abstract: The connector box is esp. for use with a refrigerant condenser. It consists of a base section, with openings for flat tubes and a cover section. Both sections consist of a plated metal, each has a U-shaped cross section, and they are soldered together by their legs. The base (16) has transverse slot-like passages (18). The length of these corresponds approx. to the relative distance between the legs of the base section. The passages are directed outwards, and are expanded to form inclined intake faces. The base section has a semi-cylindrical base, with parallel legs. The cover stations has imprinted transverse stiffening ribs (21). ADVANTAGE - Simple manufacture, simply assembly, requires little space.
Patent DE-4136531-A1 (DE)
Title: Paper machine head-box producing high quality paper - has stationary turbulence generator with feed tubes of decreasing dia. leading to relaxation and expansion chamber to clear adhered particles in suspension for depositing on wire
Inventor: BUBIK ALFRED DIPL ING DR
IPC: D21F1/02
Filed: 1991-11-06
Abstract: The headbox has a distribution channel to carry the suspension across the width of the machine. This leads to stationary hydraulic turbulence generators with a series of feed tubes to a relaxation and expansion chamber. The feed is then narrowed to a gap to lay the required amt. of suspension on the wire. The hydraulic turbulence generator is at a pref. angle of 90 deg. to the floor of the relaxation chamber. ADVANTAGE - Adhering particles in the suspension are broken into separate fibres etc., to make a smoother fluid to lay on the wire, esp. on a wide machine, producing high quality paper without blemishes.
Patent DE-4141278-A1 (DE)
Title: Electric operating drive for sliding roof or window of motor vehicle - has drive motor rotating worm gear element attached to armature laminations at centre of motor axis
Inventor: WISSLER THOMAS
IPC: E05F15/603
Filed: 1991-12-14
Abstract: The operating drive has a housing (6) containing an electric motor (2) driving a worm gear (3, 4) for operation of the roof or window panel. The worm gear element (3) driven by the motor (2) lies at the longitudinal centre of the latter and is attached to the armature laminations (10). Pref. the motor housing (6) has an opening (13) adjacent the driven worm gear element (3), allowing the latter to engage an output cog (14) contained in a drive housing (19) attached to the side of the motor housing (6). ADVANTAGE - Arranged to allow emergency manual operation upon failure of electric motor.
Patent DE-4142944-A1 (DE)
Inventor: KRUG THOMAS
IPC: C07C29/09
Filed: 1991-12-24
Abstract: Process for the preparation of cycloalkanols by hydrolysis of cycloalkyl-C1-C4-fatty acid esters, which comprises the following steps:   a) reacting cycloalkyl-C1-C4-fatty acid esters with water at a temperature of 30 to 250 DEG C in the liquid phase, which gives a reaction mixture essentially composed of cycloalkyl-C1-C4-fatty acid esters, cycloalkanol, C1-C4-fatty acids and water. b) separating the reaction mixture obtained in step a) at a temperature of from 0 to 200 DEG C into a top phase which is essentially composed of cycloalkanol and cycloalkyl-C1-C4-fatty acid esters and a bottom phase which is essentially composed of water and C1-C4-fatty acids c) separation of cycloalkanol from the top phase obtained in step b) by distillation and recirculating unreacted cycloalkyl-C1-C4-fatty acid esters to step a). a