baber/WOPTO huggingface dataset:
Patent DE-2509853-A1 (DE)
Title: Crystal growth crucible has thin lining esp of iridium - with surrounding shell of cheaper heat resistant matl
Inventor: BORER WERNER J DR SC NAT
IPC: F27B14/10
Filed: 1975-03-06
Abstract: A crucible for melts, esp. for use in crystal growth around a seed crystal, is of a metal having a high melting point and high resistance to oxidising substances, e.g. iridium. The crucible comprises a thin-walled inset of this metal, removably mounted in a supporting, surrounding shell of heat-resistant or high temp. - resistant material. This shell pref. consists of an annular wall and bottom plate. The annular wall is pref. of a material which is oxidn.-resistant at extremely high temps. and which contains metal reinforcement; more specif. it is of plasma-sprayed oxide ceramic, esp. zirconium oxide or aluminium oxide and contains concentric reinforcing cylinders of iridium foil, or rings or iridium, or helical iridium wires. The outside is pref. faced with a protective coating. The prefd. thickness of this coating and of the iridium insert is 0.3 mm. There may be a liquid lubricating layer between the insert and the shell. There is considerable reduction in the quality of iridium required and the cost of processing it. The weight of material in the insert is only 1/5 - 1/10 of the weight of a conventional iridium crucible.
Patent DE-2516300-A1 (DE)
Title: Fuel injection diagnosis system for diesel engines - checks each cylindeeessection pipes with connector boxes and seals
Inventor: BANSAGI GYOERGY
IPC: F02M65/00
Filed: 1975-04-15
Abstract: The average fuel injection pressure for each cylinder is measured by a piezo electric converter into anologeus signals and compared with the catalogue data signals. An amplitude comparator is provided whose output is connected to an amplifier with a differential switch connected to a retarder switch and a reverse phase to a flash tube igniter on the one side and a frequency measuring circuit and an engine speed revolution counter on the second side. The impulse amplifier is connected by a tension divider to a scale and an oscilloscope.
Patent DE-2518636-A1 (DE)
Title: Window or door air passage admitting sealing robbet - with cavities formed on surface of L-shaped sealing mass strip
Inventor: SCHAEFERTOMWASEN BENNO
IPC: E06B7/23
Filed: 1975-04-26
Abstract: The window, door, or similar element, incorporates a sealing rabbet, consisting of one or more stop pieces and open pieces, between a fixed frame and a movable one, and a rabbet sealing consisting of sealing paste applied to one frame and separating medium applied to the opposite frame, as in 1509856. The pasty sealing mass is made up into an L-shaped strip (2), and this is fitted with grooves, ribs, knobs, or other configurations (6) on its surface (21) which serve to form hollow spaces. These configurations may converge regularly or irregularly. A controlled air passage is achieved, while clinging or suction effects are excluded.
Patent DE-2523346-A1 (DE)
Title: Recrystallising silver alloy powder for dental amalgams - by heating in free fall in an inert gas
IPC: A61K6/847
Filed: 1975-05-27
Abstract: Ag alloy powder which contains 50-75 wt. % Ag and Sn, Cu or Zn and Hg, is recrystallised by heating in an inert gas in a free fall for 1-10 sec. at 300-900 degrees C, the small particles being subsequently cooled to room temp. before they contact a solid surface. The alloy powder pref. comprises 65-72 wt. % Ag, 24-29 wt. % Sn, =2 wt. % Zn, =6 wt. % Cu, and =3 wt. % Hg. The powder is amalgamated in known manner for dental applications.
Patent DE-2533900-A1 (DE)
Title: Magnetic bodies prodn. - by injecting or casting a mixt. of magnetic powder and nonmagnetic liq. alloy in a mould aligned in a magnetic field
Inventor: VIEWEG GUNTER DIPL PHYS
IPC: H01F1/055
Filed: 1975-07-29
Abstract: A process for making a magnet from a powder of a alloy of Co and rare earths by mixing a liquid alloy of non-magnetic materials with the magnetic alloy and injecting/casting the mixt. in(to) a mould suitably aligned in a magnetic field. Prodn. time is reduced and O2 ingress is avoided.
Patent DE-2536212-A1 (DE)
Title: Commutator winding leads reinforcement on small machines - has layers of felt impregnated with resin in which wires are embedded
Inventor: HELWIG ERNST
IPC: H02K13/04
Filed: 1975-08-13
Abstract: The leads between the winding and the commutator on small machines may be retained in position by tapes or bindings which, even after impregnation, may allo movement. To improve this and prevent movement of the connectors due to vibration and other mechanical effects the wires (7, 9) are embedded in felt material (8, 10) which is subsequently impregnated. After connecting the lower layer of wires (7) a felt (8) is placed in position. The second layer (9) is then placed on it, covered with a further felt (10) and the whole is held down with a binding (11). Subsequent impregnation saturates the felt and the baking process consolidates the whole into a secure mass.
Patent DE-2541125-A1 (DE)
Title: Tug with lateral buoyancy tanks - are above waterline around deck edges to prevent capsizing if towing at angle
Inventor: LOOKS ARNOLD
IPC: B63B35/68
Filed: 1975-09-16
Abstract: The sides of the tug are fitted with buoyancy tanks (3) which form the bulwarks of the hull. They prevent the tug from capsizing if the tow (6) drags to one side, especially in heavy seas. This is especially useful for low freeboard hulls, with one tank dragged under the water level by a lateral tow. The tanks can be fitted as separate units to the deck, or can be part of the deck structure, with suitable forming. The outside walls of the tanks form extensions of the hull line.
Patent DE-2555591-A1 (DE)
Title: Bit rate converter for data multiplexers - uses nest signals from clock pulse generator to reduce total number of signals needed (BE110676)
Inventor: NATENS MARCEL CLEMENT RENE
IPC: H04L25/05
Filed: 1975-12-10
Abstract: The bit rate converter for data multiplexers has a shift register whose first and second clock pulse trains are also the first and second test signals from a clock pulse generator, that determine the first and second read points or the first and second write points. The repetition frequency of the write points is equal to the first frequency and the first and second read points are equal to the test points whose repetition frequency is equal to the second frequency. The advantage lies in the reduced number of signals needed to write into the shift register, to test the phase, and to read out from the register.
Patent DE-2557631-A1 (DE)
Title: Pitot tube type anemometer - measures wind velocity and direction using differential pressure transducer and rotary potentiometer
Inventor: NEUERBURG WILLY PROF DR ING
IPC: G01P13/02
Filed: 1975-12-20
Abstract: The anemometer provides an indication of both wind speed and horizontal direction. Wind speed is measured using the Pitot tube principle and provides greater accuracy than impeller type instruments. The rotating head of the anemometer consists of a cylindrical tube (1) with rounded leading edge (2) and outer, coaxial funnel (12), the flared, trailing edge acting as a wind vane (9). The inner tube has an aperture (4) in its leading edge and a second aperture (5) at a point nearer the centre of the head. These apertures are connected to a differential pressure transducer (3) mounted within the head. The dynamic pressure thus measured is proportional to the wind velocity. The electrical signals are conveyed down the mast (11) to a rotary pick-up. Directional data is provided by a rotary potentiometer.
Patent DE-2558382-A1 (DE)
Title: Thick seams tension relieving measures - using incline holes drilled from bottom bench to seam floor and filled with explosive
Inventor: AMBROCK HANS-DIETER ING GRAD
IPC: E21F17/00
Filed: 1975-12-23
Abstract: Test bore holes are driven in a slightly downwards inclined direction from the coal face (41,42) in the lower bench (16) of the seam and are terminated near the seam floor (13). When critical solid results arise, additional loosening shot firing bore holes (3,30,31,6,60) are driven in the floor (19) in a steeply inclined direction towards the waste side of the face. The test and shot firing bore holes are filled in their bottom end with an explosive. The explosives of adjoining rows of bore holes are then detonated together at equal time intervals. Before the explosives the bore and shot firing holes are infused with high pressure water with added calcium chloride.
Patent DE-2604408-A1 (DE)
Title: Three dimensional game with objectives suspended from folding frame - has subdivided square hit location board with blind to prevent opponent discovering location of objectives
IPC: A63F3/00
Filed: 1976-02-05
Abstract: The game device for the positioning in space of objects is in the form of a three dimensional game similar to 'Battleships'. A plate (3) provided with a number of rectangular holes is fitted to a caselike stand (2). The plate is provided with a blind (1) which can be raised to ensure that the opposing player cannot see the plate (3). The objects (5) which can be in the form of small aeroplanes are held on threads (6) of various lengths. The threads are provided at the end with pegs which pass through the holes in the plate (3) and can be turned to hold the object (5) in place. When an opponent scores a 'hit' on an object the object is removed from the board and replaced by a marker.
Patent DE-2613383-A1 (DE)
Title: Readout of electrostatically charged image pattern - uses X:ray source with chamber and electrode in upper section
Inventor: FENN JUN JOHN B
IPC: G03G15/054
Filed: 1976-03-29
Abstract: The read-out system consists of an electrode and means of forming an electrostatically charged image on the electrode. It is used to produce radiographics without the requirement of any sensitive film. The X-ray source produces electrons or ions which form the electrostatic image that is suitable for printing. The system is usually called ionography or electron radiography. The system consists of an X-ray source (15) with an image forming chamber (17) and the object (17) to be photographed mounted in front of the chamber. The electrode (21) is located in the upper section (20) of the image forming chamber. The electrode consists of a light conducting layer which receives the electrostatic charges. It can be converted to a non-conducting mode by exposing it to light. There is a second electrically conducting layer which is optically transparent. The second layer is connected to a memory which stores the information on the electrode.
Patent DE-2615125-A1 (DE)
Title: Electronic speed control unit for wire drawing machine - which synchronises speeds of machine and coiling drum
Inventor: EMILIUS ERWIN ING GRAD
IPC: B21C47/00
Filed: 1976-04-07
Abstract: Speed control circuit for a machine, esp. a wire drawing machine uses a motor (M1) driven at speed (S1), from which the wire travels onto and off a coiling drum using a motor (M2) driven at speeds (S2). A specified speed (S1s) for motor (M1) is fed via a run-up transmitter to a master controller (C1). A second controller (C2) is fed with a specified speed (S2s) for motor (M2), and also with the actual speed (S2a) for motor (M2); and the difference between S2s and S2a is fed to controller (C1) to adjust the speed of motor (m1). Controller (C2) may be connected to the run-up transmitter, or directly to controller (C1). Synchronises the speed of the two motors so that e.g. the drum does not travel at an excessive speed before it receives the wire.
Patent DE-2619757-A1 (DE)
Title: Drive block for construction toys - uses square block with projecting contact pins for plugging into similar block
Inventor: HERMANN HANS
IPC: A63H33/04
Filed: 1976-05-05
Abstract: The drive block is for construction toys and contains an electric motor. It has an ashlar-shaped housing (D) with two fastening lugs (2, 3). The flange wall (1) and the second wall (5) parallel to the drive shaft (4), carry a slide (6) to switch the motor on and off. Three current contact pins (9-11) are fastened to the wall (7), extending parallel to the wall (8), from which the drive shaft projects. A second ashlar-shaped (E) block may be plugged onto the first one via the three contact pins. The second block has an upper slide (12) for rotation direction selection and two side contact pins (13, 14).
Patent DE-2627665-A1 (DE)
Title: Variable stability rear axle suspension - has height of pivots of trailing arms variable with speed to change oversteer characteristics
Inventor: BUFLER ERNST DIPL ING
IPC: B60G9/00
Filed: 1976-06-19
Abstract: The rear wheels (9) are supported at the ends of trailing arms (3, 4) pivoted on bearings (1, 2) at the ends of short stub arms on a transverse shaft (7). The shaft is rotated by a servo control (8) to alter the height of the bearings with vehicle speed, to adapt the ride to the type of road. For fast speeds, without many corners, the amount of oversteer is increased by having a low bearing setting. For slower speeds, with corners etc. the height of the bearings is increased to alter the roll characteristics.
Patent DE-2632991-A1 (DE)
Title: Housing for ball or roller bearings - has plastics flexible ring adaptor for bearings and shafts of different dia.
Inventor: MOHN GERHARD
IPC: F16C33/72
Filed: 1976-07-22
Abstract: The bearing housing consists of a flange (17), a ring shaped part (14) and a thin flexible section (18) which are all three moulded in one piece from e.g. a fibre reinforced plastic. A sealing cap (5) can be mounted in the ring shaped part (14). The ring shaped part (14) supports the outer ring of a bearing in its bore (2). The sealing cap has a felt ring groove (9) which fits over the shaft supported in the bearing. The sealing cap has a tapered outside dia. and a rim (15) so that it can be pushed into a conical bore in the ring shaped part, in which it is held by the rim. The sealing cap can be replaced to suit various sizes of shafts.
Patent DE-2644293-A1 (DE)
Title: Embossing unit with stepwise advanced strip - enables embossed symbol depressions to act as guide for tracer printer pin
Inventor: KOELICHEN HARALD
IPC: B41J3/39
Filed: 1976-09-30
Abstract: Embossing unit with embossing head has a stepwise advanced embossing strip in which the symbols are formed. The embossing symbols are in mirror-image form and are stamped into the surface of the strip (16) to create legible symbols. The embossed strip is used as a pattern for a tracer printer (22) whose tracer point (26) follows the contours of the embossed depressions in the strip. The embossing head with mirror-image symbol stamp can be interchanged with a normal embossing head and the embossing strip is reversible in its guide. The original embossing disc incorporating the raised symbols can be interchanged with other discs carrying different symbols.
Patent DE-2654527-A1 (DE)
Title: Pumping system float switch - comprises roller operated microswitch inside float sealed against air and liquid
Inventor: REICHENSPERGER GUENTER
IPC: H01H35/18
Filed: 1976-12-02
Abstract: Pumps with submersible motors are operated as determined by the level of liquid. This is enabled by a float in which the switch is mounted and sealed against leakage of the liquid into the float. A float made of synthetic material comprises two shells (16a, 16b) which are profiled to make a seal against air and liquid and are fixed together by a clamp (18). Inside the float is a box (10) containing a microswitch (13) whose operating arm is activated by a roller (12) in a track (11). Electrical conductors (14) for the switch enter the float through a tubular cable entry (20).
Patent DE-2659525-A1 (DE)
Title: Two=part hopper for feeding plastics or rubber strands to presses - comprises bottom funnel and off-centre top funnel with spaced-away bottom edge
Inventor: STEIN SIEGFRIED
IPC: B29C48/03
Filed: 1976-12-30
Abstract: Composite feed hopper for rubber- and plastics-processing machines esp. for charging non-coherent (random) strips of vulcanisable rubber to screw presses, comprises an open, lower, funnel and an upper, open, funnel, off-centre wrt the lower funnel. The bottom edge of the upper funnel is spaced away from the upper edge of the lower funnel but is bordered by it for part of its circumference. Provides improved throughput with reduced risk of clogging. Efficiency is maximised when the width of the plastics or rubber strips fed to the hopper does not exceed the pitch of the screw.
Patent DE-2700601-A1 (DE)
Title: Number plate system for lorries - uses injection moulded plates placed back-to-back and inserted in slot in carrying case
Inventor: DUEBON OTTO
IPC: B65D25/10
Filed: 1977-01-08
Abstract: The number plate is pref. made by injection moulding. The number plate has a sensitive front side and a back side with at least two rivet spurs. Two number plates (4) can be placed back-to-back, so that the rivet spurs (5) pass through holes in the figures of the other number plate (4). Two number plates (4) so arranged can be inserted into a slot in a carrying case (1) in which they can be safely carried.
Patent DE-2704024-A1 (DE)
Title: Coil winding device producing extended wire ends - fits inside input channel to former to produce enlarged dia. final turn before removal
Inventor: DISSMANN MARTIN
IPC: H01F41/076
Filed: 1977-02-01
Abstract: The coil winding device has the two ends of the wire fed through channels in the coil former and joined to terminal tags. The coil winder mechanism will feed the ends of the wire to the terminal tags, producing an extended length at the ends. The ends of coils are ready wound and connected will be free of any tension. The extended length is produced during the winding process. This occurs near the input channels. The input channels contain a device for increasing the length of a turn which will eventually form the end of the coil. This device is removed again when the appropriate number of turns are wound on the former. The support (23) for the coil former is fitted with spacers (26) which are near the entry of the wire (16) on the former.
Patent DE-2706160-A1 (DE)
Title: Controlled addn. of activator to anhydrite for mining constructions - using a paste contg. sulphate activator, hydrophilic material and water
IPC: C04B28/16
Filed: 1977-02-14
Abstract: Paste activator compsn. whose addition to anhydrite material (water-free CaSO4) can be measured out exactly are based on a sulphate activator, a hydrophilic material and water. The anhydrite is employed in the prodn. of barriers, casing and pillars and the filling of cavities. Pref. the sulphate activator is Fe sulphate, K2SO4, Na2SO4 or their mixts. Pref. the hydrophilic material is loam, clay or bentonite, and is 5-20 wt.% of the activator. Pref. the compsn. contains 0.3-2 wt.% of a growth-promoting agent, e.g. potassium sulphite and/or sodium chloride. Paste, storage-stable activator compsns. contg. a high concn. of activator are produced which allow an accurate addition of activator to anhydrite.
Patent DE-2711157-A1 (DE)
Title: Mine ventilation lock with compensator - has two ring spaces with perforated linking tube controlled by interlock for door control
Inventor: WENZ WILHELM ING GRAD
IPC: E21F1/14
Filed: 1977-03-15
Abstract: The mine ventilation lock has two doors each with pressure compensating flaps. A wall mounted interlock ensures that only one door is open at any one time. A self-acting pressure compensator is coupled to the linkage (1, 2) acting as interlock. The compensator consists of an annular space (3) surrounding the locking bar (2) in the wall (8) and closed to the low pressure side (A), and a second space (5) connected by ports (4) to the space (3) but open towards the low pressure side. The ports are closed or opened by a partially perforated (6) ring of tubing (7) fixed to the interlocking bar (2).
Patent DE-2723813-A1 (DE)
Title: Muzzle attachment for bullet firing barrels - has slots for choke adjustment and holding screw thread
Inventor: KEPPELER DIETER
IPC: F41A21/42
Filed: 1977-05-26
Abstract: The adjustable barrel muzzle attachment is used for bullet firing barrels of small firearms. This muzzle attachment ensures precision firing of bullets. Narrow slots following the rifling of the barrel are arranged in the adjustable muzzle attachment. These slots are used for stepless choke formation of the barrel. The barrel (3) outside surface (4) is conical and it has screw threads (5) on which is screwed a conical nut (7). Marks are drawn on the barrel for indicating a previously selected useful choke position of the barrel muzzle (9).
Patent DE-2725452-A1 (DE)
Title: Multispindle automatic bar lathe - has stations with cross slides and narrow parting tool slide for camless operation
Inventor: LANGER DETLEF DR ING
IPC: B23B9/02
Filed: 1977-06-04
Abstract: Each working station, except the sixth one, is provided with a quill acting as the longitudinal slide while a transverse shifter controls the square cycles. The clamping surface of the slides provides location for exchangeable and preset tools, and thus accelerates the preparation for short series of work. The base of the machine supports the spindle box, frame and workpiece guide housing. The radially supported spindle drum has six spindles held by the central guide tube. The front end of the quills is fitted with guide prisms for the cross carrier whose prisms locate the tooling. The quill holder supports the counter-spindle facing the spindle in the sixth position.
Patent DE-2727977-A1 (DE)
Title: (7-Alpha)-methoxy-(7)-substd. sulphinyl-alkanoylamido cephalosporins - which are antibacterial and germicidal agents
Inventor: SHIBUYA CHISEI
IPC: C07D501/57
Filed: 1977-06-22
Abstract: 7alpha-Methoxy-7-substd. sulphinylalkanoylamido cephalosporins of formula (I) in which the stereo structure at the sulphinyl gp. is a racemic or optically active form and salts, lower alkyl esters (pref. 1-3C alkyl esters) or acyloxymethyl esters (where acyl is lower acyl pref. 1-5C alkanoyl, benzoyl or penacetyl), of it are new. (I) are useful for treating Gram negative or positive bacteria-caused infectious diseases or useful as germicides or nutrient complementary agents for feeds or animals.
Patent DE-2729879-A1 (DE)
Title: Fire alarm using ionising radiation source - has metallic screen electrode, shielding and measuring and reference chambers connected electrically in series
Inventor: BEYERSDORF HARTWIG ING GRAD
IPC: G08B17/113
Filed: 1977-07-01
Abstract: The fire alarm unit (10) is releasably mounted in a socket holder (12) which may, in turn, be mounted on a further support such as a room wall or ceiling. Within the device is a measuring chamber (14) with a reference chamber (16) connected electrically in series with it. the two chambers are within a housing (18) which has a cylindrical outer cover (20) and an integral isolator element (24). The housing is made of an insulating plastic with a high resistivity surface. The two chambers have metallic ring electrides (26, 28, 30) and a radiation source (38, 40) is mounted on each of the outer electrodes. Between the outer cover and the wall of the measuring chamber (64) is a metallic screening electrode (70) which is held at a fixed potential.
Patent DE-2731630-A1 (DE)
Title: Multi load lorry chassis - has light load floor plates supported on heavy loads by adjustable feet
Inventor: BOTH PETER
IPC: B62D33/08
Filed: 1977-07-13
Abstract: The multi load lorry has the heavy loads (B) laid on the floor of the vehicle and has a set of flat floor sections (D) set over the heavy loads on adjustable support feet (3). These enable lighter loads to be carried in a higher setting without affecting the stability of the vehicle. The support feet can have a variety of shapes to grip over different loads. They can also be clamps for added security.