baber/WOPTO huggingface dataset:
Patent DE-2821995-A1 (DE)
Title: Regenerating urea solns. in dewaxing appts. - by treating with ammonia to decompose condensation prods., heating, removing excess ammonia and opt. recycling
Inventor: SCHMIDT ALFRED PROF DIPL ING D
IPC: C07C273/16
Filed: 1978-05-19
Abstract: Process for purifying aq. urea solns., partic. for regenerating those flowing in closed circuit in a dewatering plant comprises adding, esp. to a fraction withdrawn from the circuit, ammonia to concn. of 1-10 wt.%. This soln is then held at 110-170 degrees C for 30-240 min., then excess NH3 and CO2 are eliminated, if necessary, before recycling to the dewaxing plant. Pref. NH3 added is that obtd. from a previously purified stream, esp. that liberated by expansion of the warm purified soln. Pref. absorption, purification, sepn. of CO2 and opt. excess NH3 and opt. sepn. of CO2 from NH3 are all effected in a single operative stage in a single reactor. Appts. for the process is also claimed. Condensation prods. such as biuret are destroyed and urea losses are reduced, e.g. by 50-80%.
Patent DE-2825311-A1 (DE)
Title: Storing of electrical control signal for print machine - charging capacitor in RC circuit with FET switching to ink supply motor
Inventor: HEIBER HARTMUT
IPC: B41F33/16
Filed: 1978-06-09
Abstract: The supply to the ink duct of a print machine is increased by operation of a relay switch (1, 3, 3, 1) connected to charge a resistor-controlled capacitor (8). When latter attains a sufficient charge a f.e.t. (9) is switched on to connected the ink supply motor (11) to the current supply. A second relay switch (2, 4, 4.1) is connected to discharge the capacitor and thereby break the current to the ink supply motor. The relays' coils and the capacitor have high insulation resistance. The f.e.t. acts on the motor through an amplifier (10).
Patent DE-2825346-A1 (DE)
Title: Laser machining of removable cannula - to form longitudinal score line and parallel slot in wall of cannula stock
Inventor: LUTHER RONALD B
IPC: B23K26/00
Filed: 1978-06-09
Abstract: A removable cannula is produced from tubular cannula stock having a bevel forming a tip end and a distal area. A laser beam is used to cut completely through the wall of the stock to form a straight longitudinal slot ending at the bevel distal area. A weakened fracture line is formed by applying a laser beam to the inside wall of the stock opposite the slot. Finger grips are positioned on the outside of the stock wall adjacent the fracture line so that they extend on either side of the line. A laser beam is used to weld the finger grips to the stock. Cannulae are used for introduction of catheters and tubular devices into bodies. The laser beam is used to remove the sharp edge at the distal area of the cannula's bevel. The posterior end of the cannula is flared to prevent cutting of the catheter. The cannular is made from conventional cannula stock rather than sheet metal. Force lines, sharp edges and burrs are eliminated from the cannula.
Patent DE-2831697-A1 (DE)
Title: Hydraulically released non-return valve - has release plunger whose stem acts against spring loaded plug to restrict return flow
Inventor: WITTMEYER HELMUT
IPC: F16K15/18
Filed: 1978-07-19
Abstract: The hydraulically-released non-return valve is protected against breakage, having a release plunger whose stem acts positively against a spring-loaded valve plug in the opening direction, this plug having a throttle to restrict the return flow. The valve plug (6) with seat (5) is accommodated inside the insertion portion of a hollow screw (1), and the release plunger (19) is guided, directly or indirectly, in the union portion (1b). There can be a stem (21) on the plunger, forming a throttle in conjunction with the bore (22) of the valve seat on release of the valve, so as to restrict return flow.
Patent DE-2832426-A1 (DE)
Title: IC engine fuel supply system - has air intake with diaphragm operated rotary metering valve and secondary throttle to individual cylinders
Inventor: KNAPP HEINRICH DIPL PHYS DR
IPC: F02M69/04
Filed: 1978-07-24
Abstract: The fuel supply system is intended for a combustion engine with spark ignition running on mixture. It comprises a main throttle (2) in the suction intake (1) and an auxiliary throttle element (11) which is diaphragm-operated (15) against a spring (23) such that there is a given pressure differential at the element, whilst a fuel metering valve (34, 35) admits fuel to the inlets (4) of individual cylinders. A partition (5) in the suction intake (1) covers the region (3) where the inlets (4) branch off and has ports (8) leading to those inlets. The auxiliary throttle is formed by a rotatable disc (11) having ports (12) which may register with the ports (8).
Patent DE-2837534-A1 (DE)
Title: Sailing surfboard boom connection to trapeze belt - includes upward pointing hook on belt and sheet has one end in jamming cleat on boom
Inventor: DORNFELD PETER
IPC: B63B35/79
Filed: 1978-08-28
Abstract: The arrangement is used for hitching a sailboard boom to a trapeze belt. It comprises a length of rope (3) attached to the boom to act as a sheet and an upwards-pointing hook (4) on the belt breast piece (5). A stopping hitch (2) secures one end of the sheet close to where the mast-side hand goes on the boom. The other end passes through a jamming cleat (8) movably fixed to the boom by means of a shaped mounting strip (6) and clamping clips (7) so that it can be located close to where the other hand goes.
Patent DE-2842705-A1 (DE)
Title: Mechanical grooming brush for horses - has motor driving contra-rotating brushes in hood moved along horse's coat
Inventor: FEZER ALBERT FRIEDRICH ING GRA
IPC: A01K13/00
Filed: 1978-09-30
Abstract: The grooming device is powered by a motor unit suspended from an overhead rail. A hand-held hood is applied to the animals coat and is fitted with two contra-rotating brushes. The first raises the hairs in the coat and the second smooths them down again. The brushes are fitted with gears at one end engaging a pinion carried on the input shaft, which is connected by a flexible shaft with a coupling tube to the motor. The other motor forms part of a suction unit connected by a flexible pipe to a hole in the hood above the input pinion. The sides of the hood are grooved at the bottom edge to mount a sealing brush strip enabling the hood to function as a vacuum cleaner.
Patent DE-2849726-A1 (DE)
Title: Chamber filter press with spring-loaded cloth supports - having bar supports for cloth held on lever arms between plates with spring-loaded tensioning mountings
Inventor: SCHOTTEN ALFONS
IPC: B01D25/12
Filed: 1978-11-16
Abstract: Chamber type filter press has chambers formed between adjoining plates. A pair of filter surfaces is then required between each adjoining face. This is achieved by a single length of cloth running along the press which is looped up between each plate. The cloth is supported on a horizontal bar above the plate. Each support bar is mounted on a pair of vertical bars, each with a spring loaded support. These supports are held by a pair of arms pivoted onto mountings attached to the plates. As the plates move apart, the mountings remain at the same level. Used for filtering slurries and keeps the filter cloth tensioned even when the press is opened.
Patent DE-2851143-A1 (DE)
Inventor: REGEL ERIK
IPC: C07D249/08
Filed: 1978-11-25
Abstract: The invention relates to fluorenylazolylmethylcarbinols and methods for their preparation. Also included are compositions containing said fluorenylazolylmethyl-carbinols and methods for the use of said carbinols and compositions containing them as antimycotic agents.
Patent DE-2901816-A1 (DE)
Title: Pinion for a household machine meshing with worm - having tooth flank zones of more abrasion resistant material
Inventor: SANNECK HUGO DR ING
IPC: F16H55/22
Filed: 1979-01-18
Abstract: One section of the flanks of the teeth of a pinion which engages with a worm in a domestic service machine, is of a material having a greater resistance to wear than the remainder of the length of the flanks. The wear-resistant material may be introduced through openings in the teeth, into a cavity formed by annular grooves on the pinion and a toothed ring fitting on it, by the injection of synthetic material or metal. Pinion is produced easily and shows great resistance to abrasion even when shock loading is continuous.
Patent DE-2904859-A1 (DE)
Title: Modifiable electric switch assembly - has rocking contact lever and handle for setting into one of two stable positions
Inventor: FEGER ROLF
IPC: H01H11/00
Filed: 1979-02-09
Abstract: Switching characteristics determined by the different assemblies of components without the use of additional parts reduce mfg. cost of tooling as well as ensure lower storage cost when different models are employed. The contact rocker (25) can be set in two positions in the switch housing (I) with handle (II) placing switching part (22) and rocker (25) in two or one stable positions. The rocker has two shanks (27) of swept-back shape with a point facing either down or up while the housing has dogs (35-38) against which the rocker bears for circuit closing or opening. The rocking handle (II) carries an indicator lamp (12).
Patent DE-2905006-A1 (DE)
Title: Pelletiser for forming limestone pellets - has rotor assembly in flexible trough which flexes to prevent material build=up
Inventor: PERRINE PAUL MELVIN
IPC: B01F7/00
Filed: 1979-02-09
Abstract: Mixing and pelletizing machine comprises a trough formed of flexible material having a rotor assembly which rotates at about 100 rpm to provide 400-150 ft/min. blade tip speed. The trough is spring biased to resist movement of the trough in the direction of rotation of the rotor assembly. The rotor blades have flat converging surfaces which meet to form a sharp leading cutting edge facing te direction of the rotor rotation. A row of hanging chain elements positioned over them by the rotor assembly. Used for converting fine prods, e.g. limestone and gypsum into pellets. Material build-up in the trough is prevented because the trough continuously flexes as the rotor assembly rotates. The rotor blades are shaped to prevent material build-up on them.
Patent DE-2915196-A1 (DE)
Title: Stabilised variable loading ship's hull - has twin hull profile enclosing supporting air cushion providing draught variation
Inventor: LINDEMANN ROLF W
IPC: B63B1/38
Filed: 1979-04-06
Abstract: A stabilising control for a ship's hull has the underside of the hull with a cavity enclosed by two side hulls and with front and rear profiled sections. The cavity is fed with a variable air supply to increase or lower the lift and hence the draught of the hull. The bow and stern profiles are shaped into the cavity for minimum drag. The reduction of hull area in contact with the water reduces drag further. The ship is able to lower its draught to dock in shallow waters, with a deeper draught in heavy seas, and with heavy loads. No other ballast control is rquired.
Patent DE-2916772-A1 (DE)
Inventor: KRAUSE GEORG
IPC: B60T17/22
Filed: 1979-04-25
Abstract: 1. A pneumatic indicating device for the state of application of rail vehicle friction brakes, which is loaded with the pressure in the brake cylinder (pipe 5) as a function of the pneumatic or mechanical actuation of the friction brake, which possesses at least one brake cylinder (7) to which compressed air is applied, the said pneumatic indicating device having not less than two visual displays (9, 9') which can be adjusted by means of compressed air against the force of the spring, each of these displays possessing an indicator (10, 10', 17, 17') which can be moved to a visual opening, the pressure in the brake cylinder being applied to at least one of the aforementioned indicators, and further possessing the characteristic feature that the compressed air port (15) of the second visual display (16, 16') is connected to the output port (13) of a twin check valve (12), one input port (11) of which is pneumatically connected to the brake cylinder (7) and the other input port (23) of which is pneumatically connected to a gate valve (21) with venting, the said twin check valve (12) opening a passage from one of its input ports (11 or 23) to the output port (13) while blocking off the second input port (23 or 11), whereby the gate valve (21), which is connected to a constant compressed air source (20), can be switched by means of a rod (nut 25) for the mechanical actuation of the friction brake and is only opened in its operating position.
Patent DE-2918392-A1 (DE)
Title: Jolt-type moulding machine - has jolting ram supplied with hydraulic fluid and spring loaded moving part
Inventor: OHLE NORBERT
IPC: B22C15/30
Filed: 1979-05-08
Abstract: The jolt-type machine produces sand moulds for foundry use, having a compression ram and a machine table supporting the pattern plate, on which the mould box is fitted. A jolting ram, supplied with a pressure medium in pulses, vibrates the sand in the mould box before and/or during the compression operation. The jolting ram piston (17) and cylinder are supplied with hydraulic fluid under pressure, giving a vibration frequency of higher than 20 Hz, and the moving portion of the jolting mechanism has a return spring acting on it.
Patent DE-2922119-A1 (DE)
Title: Combination refrigerator and heat pump - uses heat from refrigerator in pump and cold from pump in refrigerator
Inventor: NITTEL KARL MATHIAS
IPC: F25B29/00
Filed: 1979-05-31
Abstract: The combination contains single- or multi-stage refrigerator and single- or multi-stage heat pump; and generates cold or heat, while utilizing natural heat. The cycle transmits heat from refrigerator to heat pump, while cold from the latter is transmitted to the refrigerator. The heat from the refrigerator is preferably transfered by slightly warmed cold service water. The latter may be heated by the heat pump and used for heating household water, also for heating purposes. The generated heat, or cold, may be suitably stored prior to actual use. Backflow hot water may be utilised e.g. for a swimming pool, in combination with nature resources.
Patent DE-2927096-A1 (DE)
Title: Boiler exhaust heat recovery system - has flue with partition between heat-exchange passage and one with throttle
Inventor: SCHNEIDER HANS DIPL ING
IPC: F24D11/00
Filed: 1979-07-04
Abstract: The equipment recovers heat from the exhaust gas of a central- heating boiler, being situated in the flue between combustion chamber and chimney. It comprises a housing with gas inlet and outlet at opposite ends. One passage contains a steplessly adjustable throttle butterfly (11), and the other heat-exchange tubes (7). The butterfly setting can be controlled by a temp. detector in the path of the gases upstream of it.
Patent DE-2927639-A1 (DE)
Title: Coaxial asbestos sleeves filled with mineral wool - provide flexible coupling between overlapping pipe ends and are secured by hose clamps
Inventor: NEUMANN KLEMENS
IPC: F16L51/02
Filed: 1979-07-09
Abstract: Two coaxial tubes (2,4) are provided with radial flanges (7,8) whose external edges have axial collars (9,10). A flexible sleeve (12) is located on the two flange collars where it is secured with hose clamps (13,14). A second flexible sleeve (16) is located coaxially inside the outer sleeve also secured by hose clamps (18,19) to the two flanges (7,8). The ring chamber so formed (11) is filled with mineral wool (15). Thus a flexible, high temp. pipe coupling is obtained.
Patent DE-2930883-A1 (DE)
Title: Capacitive HF gluing device for corrugated paper mfr. - uses different air pressure either side of web to provide contact pressure between web layers
Inventor: GRASSMANN HANS-CHRISTIAN DIPL
IPC: B31B50/66
Filed: 1979-07-30
Abstract: The device is used to glue a second cover layer (23) to the internal corrugated layer (21) of a corrugated paper web (2) which already has one smooth cover layer (22) applied on the opposite side. Strips of glue are applied across the crests (25) of the corrugations, before forwarding the corrugated web (2) with both cover layers (22,23) through a grid of capacitive field electrodes (1). The contact pressure for gluing the cover layer (23) to the corrugated web (2) and that for pressing the web (2) against the electrode grid is obtained by different air pressures (p1,p2) on opposite sides of the web (2). Pref. the electrode grid is positioned within an air tight housing divided into two chambers (43,44) by the web (2), each supplied with heated air at a different pressure. The pressure ratio between the two chambers ensures that the friction between the web (2) and the electrode grid is a min.
Patent DE-2931576-A1 (DE)
Title: Fastening for spring wires to frames of car seats - has extra material kink for subsequent use allowing deformation without excessive strain
Inventor: FROHNMEYER PAUL
IPC: A47C23/26
Filed: 1979-08-03
Abstract: When the spring wire is fastened to a cold drawn frame member the spring wire is pushed into an opening formed by a retaining plate. It is shaped like a bridge out of the frame so that once the spring wire is inserted it can be pressed into engage round the frame. When the frame is drawn extra piec an extra piece of material in the form of a kink or the like is provided in the area where the retaining plate is to be so that it can be used during subsequent work steps. When the plate is made the material of the frame is not stretched beyond permissible limit s but rather there is always sufficient material available for deformation in the peripheral areas of the plate, thus avoiding any tears or cracks.
Patent DE-2941202-A1 (DE)
Title: Greenhouse with transparent gutters - has gutters between sections with sloping roofs and supported by longitudinals and forked members
IPC: A01G9/14
Filed: 1979-10-11
Abstract: The greenhouse built up in sections, each with a sloping roof, has a rain gutter between each two adjacent sections, made of transparent material. The gutter can be channel shaped, made up of five straight surfaces. The bottom is supported by a longitudinal member mounted on vertical supports forming part of the structure below. The channel is also supported by members with forked arms, with longitudinal members carried by their outer ends, supporting the upper edges of the channel. Their edges then fit into slots in the ends of sloping members carrying the roof panels. In one form, the gutter is made from polycarbonate material, having two layers connected by cross partitions, forming a series of square hollow channels.
Patent DE-2945493-A1 (DE)
Title: Heavy metal complex formazan dyes - useful for dyeing e.g. polyamide and polyurethane fibres, cotton etc. in fast reddish-blue to greenish blue shades
Inventor: SCHWAIGER GUENTHER DIPL CHEM D
IPC: C09B62/503
Filed: 1979-11-10
Abstract: Heavy metal complex formazane dyes of formula (I) are new. A, which can be substd. by Z, is phenylene or naphthylene opt. substd. by halo, acetylamino, nitro, 1-5C alkyl, 1-4C alkoxy, 1-4C alkylsulphonyl, phenylsulphonyl, sulphamoyl, N-mono- and N,N-dialkylsulphamoyl with 1-4C in alkyl, beta-sulphatoethyl sulphonyl or beta-hydroxyethyl sulphonyl. B, which can be substd. by Z, is opt. branched 1-8C alkyl or 2-8C alkenyl which can also be substd. by phenyl which may be further substd. with methyl, ethyl, methoxy, ethoxy, F, Cl, Br and sulphamoyl; or is phenyl or naphthyl opt. substd. by OH, NO2, halo, 1-5C alkyl, 1-4C alkoxy, carbalkoxy with 1-4C in alkyl, beta-sulphatoethyl sulphonyl or beta-hydroxyethyl sulphonyl; or is an opt. substd. furan, thiophen, pyrrole, imidazole, pyrazole, pyridine, pyrimidine, indole, quinoline or benzimidazole gp.; or is H. D, (same or different to A), which can be substd. by Z, is opt. substd. phenylene or naphthylene; the gp. -SO2-CH2-CH2-S-SO3M is an additional substit. on A, B or D, which can be bonded on an aromatic or aliphatic C or on an amino or lower alkylamino; Z is a water-solubilising gp. on A, B or D, which is present 1-4 times in the formazane molecule and is bonded to an aromatic or aliphatic C; Me is Co, Cr, Mn, Fe, Ni, Cu or Zn. X is O or -COO-, which in A is ortho to the N; Y is O or -OOC-, which in D is ortho to the N; M is H or an equiv. of a metal; cpds. from example tables 14 and 15 from DS 1256622 are excluded. (I) are useful for dyeing e.g. wool, silk, leather, hair and esp. cellulose e.g. as cotton, and synthetic polyamide and polyurethane fibres. They give reddish-blue-greenish blue shades of good fastness (esp. to light and wet treatment) and high colour strength.
Patent DE-2945511-A1 (DE)
Title: Drilled mining hole testing tool - has spring inside tube with arms bearing against hole walls when released
Inventor: TAPPERT HELMUT
IPC: E21B47/08
Filed: 1979-11-10
Abstract: The testing tool measures the length and alterations on cross-section of a drilled hole, being particularly for monitoring working areas subject to rock falls in coal mines. It comprises a tube inserted in the hole for virtually its entire length and distorted by the rock pressure. An insert is secured in the bottom of the hole and can be coupled to the tube, and a set of probe bars of different diameters can be inserted in the tube. Inside the tube (1) and/or the insert (2) and fixed near the bottom (3) of the hole is a spring (4), held under tension so as to extend in the lengthwise direction of the tube by a locking device (5). When the latter is released, the two or more spring arms (6) extend through the tube and bear against the walls of the hole.
Patent DE-2949631-A1 (DE)
Title: Double fish fillet skinning machine - with pre-scalping device of circular cutters and shaped blades
Inventor: BRAEGER HORST
IPC: A22C25/17
Filed: 1979-12-10
Abstract: Machine for skinning of double fillets of fish, esp. of herrings in a marinaded or pickled condition, has above the feed belt a pre-scalping device through which the fish fillets with the skin down are transported by a spiked endless chain. Parallel blades with a gap between them gradually extend to an L-shaped to separate the skin. A skinning roll and blade complete the operation and produce two single fillets, a narrow fatty strip, and the skin. This produces two clean single fillets without the fatty strip on both sides of the dorsal fin rays.
Patent DE-2951954-A1 (DE)
Title: Hinged window shutter - made of rigid polyurethane foam panel with bonded cover plates
Inventor: KOSCHE GISELHER ING GRAD
IPC: E06B9/04
Filed: 1979-12-22
Abstract: Hinged shutters for windows consist of a self- supporting layer of a heat insulating material which is covered on both sides by plates of wood, metal or plastic material.The inside layer is preferably made of rigid polyurethane foam and the outside cover plates are bonded to it by a polyurethane adhesive. The exposed edges are covered by strips of wood, also fixed by an adhesive. The circumference of the shutter is equipped on the side towards the brickwork with a seal which fits closely against the wall when the shutter is shut. This saves the heat losses from a building through windows which are particularly severe at night time.