baber/WOPTO huggingface dataset:
Patent DE-2507240-A1 (DE)
Title: Curved-surface hollow roller shutter bars - has open hinge chamber for connecting hook in partitioned base chamber
Inventor: MALTUSCH HARRY
IPC: E06B9/165
Filed: 1975-02-20
Abstract: The hollow roller-shutter slat bar has curved surfaces, with the inner surface less sharply curved than the outer one, and has a top connecting hook, and a bottom hinge chamber strengthened by a partition. This bottom chamber (1, 2) is divided by a reinforcing wall piece (5), passing through from stem (3) to bottom edge (4), into a channel (1) which is closed on all sides. A hinge chamber (2), open at the bottom, accommodates the connecting hook (7). The bottom edge of the closed channel forms a bearing surface (4) taking up at least half the bottom breadth of the next bar below, relative to the top edge (4a) of the latter bar. The opening gap (8) in the open hinge chamber (2) advances near enough to the inner wall (a) of the hollow bar for the hinge components (7, 10b) to be giben sufficient play in the hinge chamber for relative movement. Optimal roll-up effect and stability of the shutter when let down, are achieved.
Patent DE-2507855-A1 (DE)
Title: Marking unit for tennis balls - leaves permanent impression on ball surface using ink, acid or heat
Inventor: SEIBOLD MANFRED
IPC: B41F17/30
Filed: 1975-02-24
Abstract: The printing surface of the unit is contoured to fit the spherical surface of the tennis ball and preferably consists of an electrically heated area (19) to which the required symbols (21) made of thermally conducting and heat resistant material are attached. The unit incorporates a housing (13) containing a hand-operated stamp (14) mounted removably on the ram (15). A stop is incorporated in the design so that the stamp can be depressed downwards far enough to form an impression only on the fibres of the ball. The ram (15) and housing (13) are made from electrically non-conducting and thermally non-conducting material.
Patent DE-2517130-A1 (DE)
Title: Transporting liquid samples to be analysed - the samples being separated by gel masses which also serve to clean the sample tube
Inventor: BAKAY BOHDAN
IPC: G01N35/08
Filed: 1975-04-18
Abstract: Discrete samples to be analysed are transported to the analysing device for establishing a stream of liq. carrier, introducing gel masses into the stream, and introducing discrete fluid samples into the gel-contg. stream at spaced intervals. As the stream flows to the analysing device the gel masses wipe clean the wall of the conduit contg. the stream so that one sample will not contaminate the following sample. Also by the use of the gel the samples do not exhibit pronounced conical flow. The gel masses may be large enough to singly wipe the walls of the conduit or may be in the form of small mass collectively able to so function. Large masses are introduced by mixing and acrylamide soln. with a catalyst, gelling the mixt. by ultraviolet light, and allowing the gelled mass to project into and break off into a stream of liq. carrier. Downstream of the gel introduction point sample material may be injected into the gel carrying stream. Small masses are introduced into a liq. carrier stream into which sample liq. is subsequently introduced from a gel forming device having a grid to break the gel down into small masses.
Patent DE-2521149-A1 (DE)
Title: Fine finishing of aluminium alloy parts of high silicon content - contg. insol. silicon particles by simultaneous honing and etching
Inventor: KLINK ULRICH ING GRAD
IPC: B24B33/10
Filed: 1975-05-13
Abstract: In the prodn. of finely finished surface with low coefft. of friction on alloy parts based on Al with high Si content and undissolved Si particles by mechanical honing and etching of the exposed insol. Si particles with an etchant, the improvement comprises directing etchant onto the surface of the clamped part during mechanical honing. Esp. for the treatment of surfaces subject to high wear, e.g. running surfaces of engine cylinders. Honing and etching are carried out simultaneously, rather than in separate stages.
Patent DE-2522757-A1 (DE)
Title: Automatic rangefinder for cambers - using transmission time of ultrasound to measure object range
Inventor: MEHNERT ERICH
IPC: G02B7/40
Filed: 1975-05-22
Abstract: An automatic rangefinder for photographic film and t.v. cameras, etc., has an actuator controlled automatically as a function of a measurand. A transmission time measuring instrument controls the actuator depending on the time of transmission between an ultrasonic transmitter (1) and associated receiver (2). The measuring instrument may produce an analogue signal to control the actuator. Pref. the measuring instrument has an oscillator (6) whose frequency is matched to the sound propagation velocity, and a counter (7) controlled by a switch (5) depending on the operation of the transmitter and the receiver.
Patent DE-2525244-A1 (DE)
Title: Hospital bed with protection grilles - has horizontal tubes in vertical slotted guide tubes and suspended by belt
Inventor: WEGENER GERHARD
IPC: A61G7/00
Filed: 1975-06-06
Abstract: The hospital bed has lengthwise protection grilles which can be raised and lowered and consisting of horizontal tubes guided by vertical ones fixed outside the bed in the plane of the grille. Each guide tube (10) is mounted near a vertical member of the head or foot frame (1) and is of roughly the same length. It has a slot in the plane of the grille, the bars of which are solely horizontal tubes with guide members at the ends. The bars are attached to each other by a belt inside the guide tube, and the top one can be secured to the top end of the guide tube, the bars below being supported at the correct intervals by the taut belt. When the top bar is released, all are lowered under gravity.
Patent DE-2526571-A1 (DE)
Title: Thermal bimetal trip for electric appliances - is heated via transformer whose iron core has air gap for current adjustment
Inventor: CWETANSKI GEORGI DIPL ING
IPC: H01H71/16
Filed: 1975-06-13
Abstract: The heating transformer iron core (1) has an air gap (2) for adjustment of different rated currents. The air gap is controllable in such a manneras to provide a constant magnetic starting induction for the secondary coil (3) over the entire adjustment range. This permits the use of the same bimetal element (4) for this entire range. Preferably the adjustment range comprises five times the rated current, at east. The bimetal element may be heated by the transformer secondary directly or indirectly. The bimetal trip may be adapted for single- or poly-phase systems.
Patent DE-2527573-A1 (DE)
Title: Rotary hydraulic valve with pressure loaded seal - is unloaded when dog clutch actuator moves to open valve to minimise required turning moment
Inventor: KUBOTA YASUNA
IPC: F16K5/20
Filed: 1975-06-20
Abstract: A rotary hydraulic valve has a cam actuator that ensures that hydraulic pressure is applied to gate valve seals to totally eliminate leakage in the closed position. The rotary gate valve is moved by a dog clutch coupling (10) consisting of a bottom plate (11) and a top plate (13) which operates as a piston and moves vertically under the action of a cam track (21) operating against a follower (22). The piston is rotated by the actuating lever. Fluid is supplied under pressure to top and bottom of the piston and also to either side of the seals. When closing the valve, the seal is not under pressure thus minimising the turning moment necessary. When closed the dog clutch moves a few degrees further to apply pressure on one side of the piston to give a total sealing action.
Patent DE-2527948-A1 (DE)
Title: Portable thermal desk top printer - has electrical control and thermal printing heads for colouring thermically sensitive paper
Inventor: WADA YASUHIRO
IPC: B41J3/36
Filed: 1975-06-23
Abstract: A variable resistance (R2, R4) is provided in the electrical circuit to vary the input voltage to the thermal printing heads. In this way the ink density is varied on the thermally sensitive paper. The control circuit also provides a constant voltage circuit with which the variable resistance (R2) is connected so as to vary the level of the input voltage which is applied to the thermal printing heads after receiving the printing trigger impulse. The resistance of the variable resistance (R2, R4) can be altered manually using a hand knob (A). The desk-top printer operates on direct current produced by a transformer (2) whose input plug (1) is inserted into an alternating current source.
Patent DE-2530198-A1 (DE)
Title: Gas dryer using vortex pipe - having three stream heat exchanger to cool and rewarm gas stream
Inventor: DUNN MYRON
IPC: F25B9/04
Filed: 1975-07-05
Abstract: Gas dryer uses vortex pipe to separate compressed gas into a hog stream and a cool stream. The cool stream is then fed through one passage of a three passage heat exchanger inside an insulated enclosure. Into the second passage of the exchanger is fed the compressed stream to be dryed. This is cooled and water condensing out is separated in a separator. The now cool and saturated gas is returned by passage back through the third passage of the exchanger, picking up heat from the incoming gas feed. Thus by this means the dew pt. of the gas feed has been effectively lowered. Temp. of the cool dry gas leaving the exchanger is controlled by adjusting the feed of gas to the vortex pipe. Provides system for drying gas using only its supply pressure as the energy source. The system described does not use a pressure reducing valve and gives dry gas at the same pressure and temp. as the feed. The heat of the incoming feed is used to rewarm the dryed gas. Provides an effective, flexible, reliable, steady, cheap system easy to connect to a compressed gas system and which requires no additional energy source.
Patent DE-2536628-A1 (DE)
Title: Industrial wastes treatment after iron hydroxide flocculation - by anodic oxidation and aluminium hydroxide flocculation
Inventor: KAEUFFER KARL CLEMENS DIPL CHE
IPC: C02F1/461
Filed: 1975-08-16
Abstract: Industrial wastes with a high degree and greatly fluctuating content of pollutants, specially in the textile industry, are purified by an iron hydroxide flocculation process. The fluid is next oxidised anodically and, if necessary, chlorinated. The final stage is an anodic Al hydroxide flocculation. Before oxidn. the fluid is pref. passed through a flotation or sedimentation stage, and after the aluminium hydroxide flocculation through filters. This results in a minimum consumption of power and of Al. The inexpensive iron hydroxide flocculation performs the principal purification. The plant can be run quickly at maximum load in case the pollutant concentration rises rapidly.
Patent DE-2541826-A1 (DE)
Title: Anti theft mounting for number plate - with cutting edge on clamping nut to damage plate if loosened
Inventor: DAWID KARL
IPC: G09F7/18
Filed: 1975-09-19
Abstract: The securing bolt for the numberplate (1) is coupled to a clamping plate (6) on the rear of the numberplate. A clutch between the tightening nut and the bolt (3) operates in either direction so that the clamping plate is turned relative to the number plate if the nut is turned. The clamping plate has cutting edges to damage the numberplate. The cutting edges cut holes in the number plate of a larger diameter than the securing bolts. This makes the numberplate unusable after removal, so as to prevent illegal transfer of numberplates.
Patent DE-2546391-A1 (DE)
Title: Centrifugally cast concrete pipe - produced from aggregates having controlled grain size distribution
Inventor: KLEINSTEUBER DIETER
IPC: B28B21/34
Filed: 1975-10-16
Abstract: Parent Patent discloses a centrifugally cast, corrosion-proof, water-tight synthetic concrete pipe contg. =10% standard plastic binder, e.g. polyester resin. Mineral aggregates consist of 63% particles having grain-size 1-2 mm, bal. having grain-size 0.1 mm. According to this Patent, 38% aggregates have grain-size 1-2.2 mm, 25% have grain-size 0.7-1.2 mm and 37% have grain-size 0.1 mm. Homogeneity of pipe cross-section can be achieved 10 min. centrifuging. Grain-size distribution allows use of mixt. for pipes of different sizes and thicknesses.
Patent DE-2549300-A1 (DE)
Title: Geothermal energy utilisation process - uses two thermally insulated esp. jacketed pipes sunk deep into ground
Inventor: RUDOLPH KURT DR
IPC: F03G7/04
Filed: 1975-11-04
Abstract: Geothermal energy is utilised using two thermally insulated pipes sunk deep into the earth. Air is fed down one pipe, which is preferably double-walled with its intermediate chamber evacuated, and is heated through a heat exchanger. The heated air is then fed back to the surface through a similarly insulated pipe to the consumer. The two pipes are located at some distance from one another whereby one pipe is longer than the other. An explosive charge can be used to create an underground chamber between the ends of the two pipes. The heat exchanger, e.g. sintered metal, fills this chamber. The complete system is environmentally acceptable and secure in operation.
Patent DE-2549394-A1 (DE)
Title: Position indicator for working piston of servomotor - has control piston regulating connecting line between pressure and return side
Inventor: RYZNER CLEMENS
IPC: F16K37/00
Filed: 1975-11-04
Abstract: The position indicator is for the working piston of a hydraulic servo-motor where the pressure line is connected wit the return line by a connecting line during the servo motion of the working piston. This connection line has a smaller flow across section than the pressure-and return line and is closed in given positions of the working piston. An indication instrument is connected to the pressure-and/or return line. A control piston cuts off or frees the connecting line between pressure-and return side (10,12). The control piston is operated by the hydraulic fluid which acts on the working piston. The control piston can move between stops. One of the stops is dependent on the position of the working piston.
Patent DE-2552996-A1 (DE)
Title: Gemstone comprising glass, enamel, metal and/or plastics shapes - bonded together with glass, enamel or synthetic resin
Inventor: BOUS KARL
IPC: A44C17/00
Filed: 1975-11-26
Abstract: Gemstone consists of several cut and superimposed pieces of glass, e.g. cut moulded glass, and has a regular or irregular shape. The individual pieces can be colourless or of one or several colours and are fused at their points of contact and/or by glass or enamel powder between the pieces. Gemstone can be used esp. for making jewellery. Pieces of moulded and/or pressed glass and/or enamel, metals or plastics can also be used, singly or in various combinations, and a synthetic resin can be used for joining the pieces.
Patent DE-2608608-A1 (DE)
Title: Heat absorber for solar collector - has flow and return manifolds connected by throughflow channels
Inventor: ANDRES WALTER
IPC: F24S10/50
Filed: 1976-03-02
Abstract: Heat absorber for solar collector comprises flow and return manifolds (2, 3) at the ends of which are connectors (1, 12) for a heat carrier and which are connected by throughflow channels (4-9). The region of the return manifold (3) extending from the return connector (12) forms a swan neck-loop (11) which is directed towards the forward manifold (2) and of which the highest point is connected via at least one opening (14) to at least the last throughflow channel (4) ending above the loop. The forward connector (1) is disposed opposite the return connector at the highest point of the forward manifold, which slopes upwards towards the connector. The heat absorber allows uniform interference-free flow through the throughflow channels.
Patent DE-2615222-A1 (DE)
Title: Recovering and desalting therapeutic water for re-use - by reverse osmosis and semipermeable membrane filtering, esp. with heat recovery
Inventor: MEIER JOACHIM DIPL ING
IPC: C02F1/52
Filed: 1976-04-08
Abstract: Method of regenerating and/or partially recovering water esp. mineral waters or brine, comprises subjecting to a pressure exceeding its osmotic pressure and is filtering through a semipermeable element to give pure water and a concentrated soln. which contains the pptd. substances, such as salts and high-molecular cpds. organic cpds. etc. Pref. the water is pre-filtered before reverse osmosis and then opt. oxidised e.g. by ozone.
Patent DE-2618880-A1 (DE)
Title: Suspender or tie pin clip - has recessed bearing portion to receive pivot projection with ratchet grip away from hinge
Inventor: NODA TAIZO
IPC: A41F3/02
Filed: 1976-04-29
Abstract: The clip comprises a lower member including a base plate, at least one bridge and at least one pivot projection. An upper member includes a base plate and at least one recessed bearing portion positioned to receive the pivot projection, permitting pivotal connection of the upper and lower members. A slide member includes at least one slide plate and at least one cross plate having an upper surface capable of slidably engaging with the underside of an elongated portion of the bridge. Either one or both of the upper and lower members are selectively reduced in thickness toward its rear edge to obtain a desired angle of opening of the clip.
Patent DE-2621327-A1 (DE)
Title: Fluid operated drive for machine tools - has control valve with switch and spring engaging on operating rod
Inventor: REGENBRECHT LUDWIG
IPC: B26D5/00
Filed: 1976-05-14
Abstract: The drive is for shears where there is a double-acting piston-cylinder arrangement with a sealed piston rod and with connections for the feed or takeoff of the fluid as well as a control valve to control the fluid action. The control valve is a conventional four way/three position valve (9) with double-ended spring loading which attempts to move the valve out of its two end positions into its neutral centre position. A switch and a spring (27) engage on the operating rod (10). The spring element adjusts to different forces according to the two end positions of the piston rod (24). One of these forces corresponds to the disengagement force of the valve from its end position and its transfer into its neutral middle position while the other is less than the resetting force of the valve from its other end position and transfer into its neutral centre position.
Patent DE-2623356-A1 (DE)
Title: Gear type hydraulic pump or motor - has bearing bushes with radial clearance in bearing boxes
Inventor: WOLFF GUENTER
IPC: F04C15/00
Filed: 1976-05-25
Abstract: The machine has two meshing gear wheels (32, 33) which are carried on shafts (31, 35). Each shaft is held in two bearing bushes (18-21) each of which is itself supported in a bearing box (14-17) pressed into the casing. There are fluid fed pressure zones between the bearing boxes of the two gears as in 2610827 to reduce unbalanced hydraulic forces. There is a radial clearance between each bearing bush and its bearing bush and its bearing box and the annular gap between them is sealed axially by discs (36, 37), on the faces of the gears. These gaps are supplied with fluid to produce pressure zones bring the gear teeth axially into tight contact with each other while the other pressure zones bring them radially into contact.
Patent DE-2626230-A1 (DE)
Title: Emulsifier for water-in-oil emulsions - contg. triethanolamine or triisopropanolamine ester and ethylene oxide adduct, esp. for fibre lubricant
Inventor: LORKE HORST
IPC: C09K23/00
Filed: 1976-06-11
Abstract: Emulsifier for water-in-oil emulsions contain (A) 30-50 wt.% of a mono-ester of triethanolamine (pref. or triisopropanolamine with a 12-20C (un)satd. aliphatic carboxylic acid; and (B) 70-50% of a nonionic ethoxylate of a 10-12 C farry acid, a 8-20C fatty alcohol, an alkyl-phenol or -naphthol, or a 8-22C alkylamine, with 1-5 ethylene oxide units. Emulsion obtd. is used to lubricate bast fibres, e.g. jute, hemp, flax or sisal, before spinning. The emulsion is stable.
Patent DE-2626512-A1 (DE)
Title: Water tank solar heating system - has temp. sensors on solar heater to control operating valve, pump and auxiliary heater
Inventor: LENNARZ KLAUS
IPC: F24D19/10
Filed: 1976-06-12
Abstract: A solar heating system for a water supply has water tank (1) with a heating coil connected to the solar heater (3) and a water heating tank (2) with a heater (7) which can be underneath and a transparent cover (10) over the top. A three way valve (11) is operated e. g. at night when the solar collector does not receive heat. The temp. is monitored by a temp. sensor (14) inside the solar heater. A thermostat (12) on the water tank (12) starts up the burner (7) and a water circulating pump (13). This pump is also operated by another temp. sensor (15) on the solar heater, when the temp. rises. The first sensor (14) is also connected to a temp. monitor (16) on the heating tank (2) to operate the three way valve and circulating pump until the water in the main tank (1) reaches its max.
Patent DE-2628923-A1 (DE)
Title: Roofing for cold stalls with large panels fixed to purlins - with spacers between panels in region of longitudinal overlap
Inventor: BORCHERT KARL-LUDWIG
IPC: E04D13/17
Filed: 1976-06-28
Abstract: Roofing for cold stalls consists of large panels which are fixed to purlins, and which are held apart at a fixed distance by spacers in the region of longitudinal overlap. The spacers are pref. made of injection moulded wear-resistant plastic e.g. polyurethane, and have an external shape conforming to the cross-sectional shape of the panels pref. a partially undulating shape, for corrugated roofing panels. The spacer may be suspended from the upper edge of the lower panel by a suspension hook, clip, etc. before the panels are fixed. Condensation is thus avoided even when there is insufficient air circulation in the stall.
Patent DE-2633001-A1 (DE)
Title: Cardioactive acylated beta-scillarenin altromethyloside(s) - prepd. e.g. by reducing corresponding (2,4)-di:acyl-rhamnoside(s)
Inventor: LOESEL WALTER DR
IPC: C07J19/00
Filed: 1976-07-22
Abstract: New cardiac glycosides are of formula (I). In the formula R1 is 2-4C lower aliphatic acyl, or aromatic acyl (pref. benzoyl); and R2 is 2-5C lower aliphatic acyl (opt. substd. by halogen, cycloalkyl, ethoxycarbonyl, benzoyl or benzoyl in turn substd. by Cl or CH3) or aroyl (pref. benzoyl opt. substd. by Cl or CH3). (I) are positive inotropic agents. They are completely absorbed, and the rate of elimination is such as to completely exclude the risk of undesirable accumulation. (I) are also useful as intermediates for beta-scillarenin alpha-L-altromethyloside, which in turn is useful as a cardiotonic agent. Specific cpds. (I) include 3beta-(2,4-diacetyl-alpha-L-altromethylosyl)-14 beta-hydrobufa-4,20,22-trienolide. In an example, this was prepd. in 91% yield by reducing 3 beta-(2,4-diacetyl-3-oxo-alpha-L-rhamnosyl)-15 beta-hydroxybufa-4,20,22-trienolide in anhydrous THF at 0 degree C with Li tri-tert-butoxy-Al hydride.
Patent DE-2633018-A1 (DE)
Title: Rolled steel section end shears - has receiver platform supported by pivoted links with electric motor and crank drive to deposit offcuts below conveyor level
Inventor: KREISEL PAUL
IPC: B21D43/28
Filed: 1976-07-22
Abstract: The shears (11) are installed over the conveyor which receives rolled steel sections as they leave the rolling mill. The shears cut off the imperfect lengths at the beginning and end of each continuous length of section. These offcuts fall onto the platform (10). The platform is supported at one end by the hinged link (19) and at the other end by the link (14). A jack (16) and an electric motor (31) acting through a rotating crank (24) impart a motion to the platform such that the offcuts are carried below the level of the conveyor and discarded. The platform (10) then returns to its initial position to support the rolled section as it moves to the conveyor (12).