baber/WOPTO huggingface dataset:
Patent DE-2723831-A1 (DE)
Title: Anhydrous calcium phosphate prepn. for animal feeds - by reaction of strong phosphoric acid on calcium oxide
Inventor: BASLINI ANTONIO
IPC: A23K20/26
Filed: 1977-05-26
Abstract: Bicalcium phosphate for use in animal feeds is prepd. by reaction of concd. phosphoric acid on calcium oxide until a dry powder prod. is obtd. The concn. of phosphoric acid is pref. 50-75% H3PO4 and the lime contains 80-100% CaO. The lime has a particle size such that 90% passes a 5000 openings/cm2 sieve and 100% passes 1000 openings/cm2 sieve. The phosphoric acid may be sprayed onto the lime, the reaction pref. being effected with the starting materials being added portionwise. The heat of reaction is sufficient to evaporate the excess water introduced with the acid. The product is dry, homogeneous and free from lumps. In an example, 550kg. lime (94% CaO) passing through a sieve of 5000 openings/cm2 was treated with 1580kg. 55.8% phosphoric acid at a rate of 900 litres/hr. On complete addition, 150kg. lime and 400kg. acid were added at the same rate, and after 5 minutes, a further 200kg. lime, then 520kg. phosphoric acid. At the end of the addition the mixt. was allowed to react for 90 minutes to give 2500kg. bicalcium phosphate contg. 2.5% water.
Patent DE-2729461-A1 (DE)
Title: 2,4-Di:hydroxy-quinoline prodn. as sodium slat - by cyclising N-acetyl-anthranilate in alkaline melt, useful in dyestuff mfr.
Inventor: TOLKSDORF ERICH DIPL CHEM DR
IPC: C07D215/22
Filed: 1977-06-30
Abstract: Prodn. of alkali metal salts (I) of 2,4-dihydroxyquinoline (II) is effected by cyclisation of alkali metal salts (III) of N-acetylanthranilic acid (IV) by adding anhydrous (III) to a NaOH/KOH/NaNH2 melt at 150-175, pref. 168-172 degrees C. The melt is then dissolved in water and cooled so that the mono-Na salt (Ia) crystallises out. Typically, (III) was prepd. by evaporating a paste of (IV) and NaOH soln. to dryness, then added to a NaOH/KOH/NaNH2 melt at 150 degrees C and reacted at 0.8-1.2 bar and max 170 degrees C. The (Ia) yield was 90%, cf. 76% if the temp. was allowed to rise to 180-185 degrees C. Pure (II) was obtd. from the first prod., whereas the second prod. gave discoloured (II) on acidification. (II) is a valuable starting material for the prodn. of pigment dyestuffs. The use of (III) instead of free (IV) leads to the formation of a prod. of better quality, which gives higher yields of (II).
Patent DE-2732874-A1 (DE)
Title: Self curing aq. electrophoretic coating compsns. - contg. a water dispersible self crosslinking cationic resin and an unsatd. non-water-dispersible resin (OE 15.4.78)
Inventor: HOENIG HELMUT DR
IPC: C09D5/46
Filed: 1977-07-21
Abstract: Electrodeposition compsns. for cathodic deposition are based on a mixt. of (a) 98-50 wt.%, esp. 95-60 wt.% of a self cross linking cationic resin with >=0.5, pref. 0.8-1.5 basic N atoms per 1000 mol. wt. units and a double bond value (number of terminal and pendant C=C bonds per 1000 mol. wt. units) of 0.5, pref. 0.8-2.5, which can be diluted with water after partial or complete neutralisation with an (in)organic acid; and (b) 2-50 esp. 5-40 wt.% of a non-water soluble self-crosslinking polycondens. polymerisation or polyaddn. resin with a double bond value of 0.8, pref. 1-4. The resin mixt. is opt. mixed with pigments, fillers and other known additives, the basic gps. are partially or completely neutralised with an (in)organic acid, and the prod. is diluted with water to form the electrodeposition bath. The prods. give stable electrodeposition baths which can be used for cathodic deposition of coating films having excellent flow properties and adhesion, tog. to untreated steel sheets. The coatings are self-crosslinking and cure on baking e.g. at 130-200 degrees C, esp. 150-180 degrees C for 5-30 mins. esp. 10-25 mins. to give hard films with excellent corrosion resistance.
Patent DE-2736054-A1 (DE)
Title: Charged particle beam accelerator - has three cavities excited by standing waves whose phases differ in adjoining cavities by 180 degrees
Inventor: VAGUINE VICTOR ALEKSEY
IPC: H05H9/04
Filed: 1977-08-10
Abstract: The particles are injected into a first acceleration cavity of a threshold linear accelerator. They pass through a diaphragm into a second acceleration cavity adjacent to the first, and from it through a diaphragm to a third acceleration cavity, adjacent to the second. The first and third acceleration cavity are excited by a first electromagnetic standing wave, and the second acceleration cavity by a second electromagnetic standing wave. The two standing waves phases in adjacent acceleration cavities differ by 180 deg.
Patent DE-2740632-A1 (DE)
Title: Hydraulic press drive with several pumps - has brakes on drive sections of pumps or motors to stop assembly on drive failure
Inventor: PAHNKE HANS J
IPC: B30B15/28
Filed: 1977-09-09
Abstract: The hydraulic press drive has several pumps, whose feed supply volume can be regulated and which can be reversed in the feed direction. There are brakes at the drive sections of the pumps or motors and on failure of a drive assembly, these brakes stop the assembly. The brakes can be mechanical brakes of the shoe- or belt type and act on the drive coupling. Alternatively, the brake can be an electric brake with a separate circuit and acts on the drive motor(s).
Patent DE-2742453-A1 (DE)
Title: Brake light failure indicator circuit - has inductive coupling to brake lights and permanent control light which is extinguished on brake actuation
Inventor: GRAF ALFONS
IPC: B60Q11/00
Filed: 1977-09-21
Abstract: The control circuit for the vehicle brake lights has the brake light circuit supplied via a decoupling transformer and with the supply derived from and AC generator circuit(X1). When an inductive load is present in the secondary of the transformer the control light in the primary lights (h3). The brake lights are constantly monitored by a control current which is too small to light the lamps. If the brake switch(b1) is activated, additional load is shunted through the lights and the control light goes out.
Patent DE-2751214-A1 (DE)
Title: Fixing device for equipment in children's playgrounds - has concrete block in ground with central hole to receive tubular post with ribs
Inventor: AUKAM HERBERT
IPC: E04H12/22
Filed: 1977-11-16
Abstract: It is often an advantage in childrens playgrounds to be able to remove the equipment during the times of the year when it is not required. To enable this to be done easily the equipment is fixed by means of a concrete block let into the ground. The block has a central hole to receive a tubular post with ribs. This post is secured by pouring concrete into the hole. The upper end of the post has a flange to which is bolted a similar flange forming part of the foot of the playing equipment.
Patent DE-2808769-A1 (DE)
Title: Internally balanced rocking piston engine - has even numbers of standard units coupled cyclically in parallel but in opposition to balance loads
Inventor: MAYER WERNER
IPC: F01C11/00
Filed: 1978-03-01
Abstract: The internally-balanced rocking piston engine has pistons either side of a transverse shaft for cyclic rocking motion within a subdivided casing. Even numbers of the units, with shafts either parallel or coaxial and facing outward, are coupled either mechanically (by gearing or linkages) or hydrostatically. The moving parts operate cyclically in parallel but in a contrary sense, balancing out cyclic loads. Power output/input is either directly through one of the shaft or by a crank slide oscillator from the linkage between.
Patent DE-2809840-A1 (DE)
Title: Water dispersible epoxy!-modified alkyd resin - for paint giving coatings with increased adhesion to metals, water resistance and corrosion resistance
Inventor: UKITA RYOJI
IPC: C08L63/00
Filed: 1978-03-07
Abstract: The resin is produced from (A) 0-50 pts. wt. oil or fatty acid, (B) 10-50 pts. wt. polyhydric alcohol having 2-6 hydroxyls (excepting component (E)), (C) 0-25 pts. wt. 6-18C monobasic acid, (D) 15-35 pts. wt. 4-10 C polybasic acid or its anhydride, (E) 5-25 &ts. wt. polyoxyethylene glycol of M.W. 600-20,000 and (F) epoxy cpd., such that the ratio of hydroxyl/carboxyl gps. in (A) to (E) is 0.625-1.6. (F) is present in amt. 3-50 pts. wt. per 100 pts. wt. of the total of components (A) to (E). The water-dispersible, epoxy modified alkyd resin after being neutralised with an amine cpd., is added to water and other ingredients such as pigment, solvent and water-soluble resins for use as paint which can be applied to various substrates such as wood, paper, metal, etc.
Patent DE-2813735-A1 (DE)
Title: Dust removal from arc furnace exhausts - using injection of auxiliary particulate material esp. furnace feed to scavenge dust and ease sepn.
Inventor: BROD HELMUTH DIPL ING
IPC: B01D51/04
Filed: 1978-03-30
Abstract: Dust laden gas streams from electro-smelting furnaces are cleaned by a dry separation process. The very fine dust is removed by first injecting a granular or powdered auxiliary material in a homogeneous suspension. The gas stream so charged is then fed into a conventional separation process. The fine dust is adsorbed onto the surface of the coarser material injected into the gas stream. One of the raw material fed to the furnace is a suitable injection material. Esp. for dust removal and recovery from arc furnaces e.g. in carborundum manufacture. Avoids the need to use filters which are difficult to clean and tend to blind rapidly. The separation can be carried out on cyclones.
Patent DE-2823099-A1 (DE)
Title: Safety boot with metal sole insert - which is supported by pegs for tread material injected in second working stage (NL 28.11.79)
IPC: A43B7/32
Filed: 1978-05-26
Abstract: The shoe designed as a safety or working boot, has a sole made of injection-moulded or cast material in which is embedded a metal sole (13). This sole is situated between an inner layer (11) produced in an initial manufacturing process, and a tread layer (12) produced in a second process. The inner layer and the tread are joined by a peripheral strip. The metal sole has notches at the edge, especially near the heel and toe, so that it can be mounted by means of attachments, such as spacer bolts (17, 18) spaced above the base plate (16) used in moulding the boot.
Patent DE-2824037-A1 (DE)
Title: Locking mounting for medical device support belt - contains belt duct with clasp and clamp with two armed lever
Inventor: MAGASI JOSEF
IPC: A61B17/132
Filed: 1978-06-01
Abstract: The mounting for a belt is suitable for a medical device worn by a patient. He can easily manipulate it with one hand, when it is placed around his other arm. It has a duct for the belt, along which the belt moves. When in use the belt is in the form of a loop, with one end firmly but detachably fixed to the mounting. The end of that part (14) forming the loop is coupled to a clamp (21). The mounting (12) is in the form of a clasp (12). The clamp has a strip (21) in the form of a two-armed lever pivot mounted on an axis across the belt. One lever arm acts as a coupling counterpart for one coupling piece of the end of the belt. The other lever arm acts as a clamp for the belt inside the belt duct in the clasp.
Patent DE-2824234-A1 (DE)
Title: Power generation by medium-temp. reactor in steam-water circuit - with recuperator and externally heated superheater between reactor and turbine
Inventor: POCRNJA ANTON DIPL ING
IPC: G21D5/10
Filed: 1978-06-02
Abstract: Method of energy generation using a medium-temp. nuclear reactor operates with a steam-water cycle in which steam from the reactor is superheated by an external heat source before passing to a turbine, where it is expanded to intermediate pressure before finally passing, optionally through other plant, to the condensor, feed pump etc. before passing back into the reactor. Before the steam leaving the reactor passes to the external heating source, it is preheated by thermal exchange with the intermediate pressure steam leaving the tubrine. Specifically, the steam at intermediate pressure, after passing through the preheater continues to a second heater which preheats the feed-water entering the reactor. Used for nuclear powder plants in which firing is used for superheating to improve the cycle efficiency.
Patent DE-2826364-A1 (DE)
Title: Digitally protected broadcast transmission system - uses five speech channels and has pulse frame with large number of time slots
Inventor: HESSENMUELLER HORST DIPL ING
IPC: H04M11/08
Filed: 1978-06-16
Abstract: The PCM 30 digital transmission system consists of a pulse frame with 32 time slots, each with 8 bits. 5 speech channels are used for the transmission of the audio programme (mono or stereo broadcast). The 40 bits required for each audio programme are encoded in the form of four words (A1-4). As the audio signals occupy only 5 time channels and 4 bits are available in every 16th time channel within the super-frame structure, 20 bits are available for protection and additional signalling purposes. To protect 4 code words of the audio signal, a parity bit protects the 1st, 5th 9th and 13th code word of a sequence of code words within a super-frame, a second parity bit protects the 2nd, 6th, 10th and 14th, and third the 3rd, 7th 11th and 15th and fourth protects the 4th, 8th, 12th and 16th code words.
Patent DE-2826913-A1 (DE)
Title: Argon purificn. by adsorption of oxygen and nitrogen - using mixt. of type 4A and 5A zeolitic mol. sieves with super-additive effect
Inventor: BAUR KARL DR
IPC: C01B23/00
Filed: 1978-06-20
Abstract: In the sepn. of O2 and/or H2 from crude Ar by adsorption on type A zeolitic mol. sieves, mixts. of types 4A and 5A are employed, pref. in 1:10 to 10:1 (1:4 to 4:1) ratio. Sepn. is achieved very economically. The selectivity of the mixt. for O2 adsorption is much greater than would result from a purely additive effect. Pref. the mol. sieve mixt. is heated to 400-700 (500-650) degrees C before use. Adsorption takes place at 15 degrees C pref. between 0 degree C and -70 degrees C.
Patent DE-2827502-A1 (DE)
Title: External wall cladding system for ceramic panels - includes rear grooves in panels engaged by lugs on hangers
Inventor: FRONTZEK ERNST
IPC: E04F13/08
Filed: 1978-06-22
Abstract: Suspension elements fixed to the wall are used to make up the external wall face with curtain hung panels or slabs e.g. ceramic ones. Panels have grooves (20, 22) on the surface facing the wall, engaged by protruding lugs (30-32) on the suspension elements (28). The groove can be of dove-tail cross-section, and hangers can be in the form of continuous strips with hooks pressed out to serve as lugs. Panels maybe double ones, with connecting stems, the grooves being in the one nearest the wall. Production and mounting are simplified, especially with double panels, and intervals can be left for rear ventilation.
Patent DE-2829062-A1 (DE)
Title: Continuously blown and slit plastics tube for sheet prodn. - has outlet for blowing air at incompletely flattened zone where slit commences
Inventor: BURGHOFF WILFRIED
IPC: B29C48/10
Filed: 1978-07-01
Abstract: The air inside a blown plastics tube which is continuously drawn as it is blown, flattened, longitudinally slit and then rolled up to form thin plastics sheet, is changed by incompletely flattened in the region where the tube is longitudinally slit so that the air within it can escape from the partly flattened tube through the slits. Pref. a controlled air gap is formed between the two sides of the partially flattened tube by two movable components which can be varied in relative position to determine the width of the gap. The cutting device, pref. two opposite cutting blades is mounted centrally between the movable components. The air is allowed to escape continuously, so that no extraction pipe needs to be mounted with inside the blowing head.
Patent DE-2844892-A1 (DE)
Title: Electrode assembly for charged particle separation - with high DHM insulation between symmetrical spiral shaped anode and cathode
Inventor: SIEGEL ROLF
IPC: B01D57/02
Filed: 1978-10-14
Abstract: An electrode assembly for the separation of charge carrying particles in an electrical field can be used in biotechnology to separate charged proteins in aqueous media, in process engineering to precipitate charged dust particles, and in electrochemistry to separate ions, dissolved in sea water. Anode and cathode are designed as symmetrical Archimedean or logarithmic spirals, separated by a high-ohm insulation. This minimises the migration for the charged particles in the electric field and results in a better separating output and precision of separation.
Patent DE-2845902-A1 (DE)
Inventor: STAUCH PHILIPP ERICH
IPC: F01N13/00
Filed: 1978-10-21
Abstract: The noise damping device for piston motors in aircrafts, which allows the simultaneous cooling of the exhaust gases, offers a square cross section and a variable configuration according to the direction of the exhaust. The exterior sheets (3,4) converge towards the exhausts direction into a slot-like output aperture (7), while the lateral sheets (5,6) diverge in the same direction so that the profile of the exterior sheets diverges and that of the lateral sheets converges. Perforated sheets (8,9) are placed in parallel to and at a distance from the internal surfaces of the exterior converging sheets (3,4) and comprise edges (8a, 9a) forming cooling chambers (10,11) which are open towards the outlet aperture (7). The diverging lateral sheets (5,6) can also be fitted with holes which open into lateral supplementary cooling chambers, which chambers are open towards the side of the outlet aperture.
Patent DE-2846958-A1 (DE)
Title: Transducer with fixed and movable coil - latter having permeable core, and both mounted on elastic support pressing them to fixed part
Inventor: BEALE DAVID GEORGE
IPC: G01L9/00
Filed: 1978-10-27
Abstract: The transducer is designed for use in measuring the inter-ocular pressure in vivo, for ophthalmic studies, esp. for the early diagnosis of glaucoma. The transducer has two coils (5, 4) and the usual permeable core (6). The second coil (4) is fastened to a stationary part (3), and the first coil (5) is connected to the core (6) and both are movable w.r.t. the fixed part (3). They are mounted on a yielding fastening device (7, 8, 11) which presses them in the initial or rest position to the stationary part (3) when no pressure is applied to the first coil (5) and/or the core (6).
Patent DE-2852826-A1 (DE)
Title: Despatch envelope for animal or human tissue - has soda impregnated paper outer layer and plastics or shock absorbing inner layer
Inventor: GUENTHER CARL
IPC: A61B10/00
Filed: 1978-12-07
Abstract: The despatch envelope for samples of human or animal tissue is rectangular, with a flap at the top and a connection (22) at the bottom for a reagent. The envelope consists of an inner part (18) made of plastics foil and an outer part (12) made of soda impregnated paper. In an alternative form, the inner part may be double layer of soft porous material such as cotton wool, with a layer of imitation parchment on the surface facing the outer part. The inner layers act as a protection against breakage of a reagent tube which may be enclosed.
Patent DE-2854288-A1 (DE)
Title: Ionising radiation measuring device - has submersible floats inside double-walled glass vessel whose position changes according to temp. and pressure
Inventor: HANSCHMANN HORST
IPC: G01T1/02
Filed: 1978-12-15
Abstract: The measuring device is formed like a Wilson expansion chamber and the toy created by submerged floats which change their position in a glass vessel according to temp. and pressure. The glass vessel is shaped, e.g. spherical, cylindrical, and is surrounded by a similar slightly larger vessel as a thermal container. The intermediate space is evacuated and sealed. Small coloured grains of the same quality are used as the floats and form a closed line at a certain depth in the water vessel. Their position is read from a scale. During or after filling, some of the water is drawn out by a pump to lower the pressure inside the vessel, which increases the vapour pressure of the water. Incident ionising radiation causes condensation and a consequent effect on the floats. The scale is calibrated by a dosimeter.
Patent DE-2902291-A1 (DE)
Title: Polyethylene film sack for beer inside pressure vessel - is of two films below critical thickness for leakage
Inventor: MOECKESCH ERICK
IPC: B65D25/16
Filed: 1979-01-22
Abstract: Two films are used to form a sack to be filled with a fluid, esp. beer, inside a pressure tank. The thickness of each film is selected so that it is below the critical thickness at which pressure loading tends to reveal points of leakage. A connection for the inlet and outlet of the fluid is bonded to a laminated arrangement forming the sack from film. The sack consists of a tubular centre section, to which the inlet section carrying the connection is attached. The bottom closing section is similarly attached by welding. The sack is simple to produce and overcomes the problems of leakage caused by incompletely melted granular material in single films of polyethylene, which increases with the thickness of the film.
Patent DE-2904392-A1 (DE)
Title: Crank drive for IC engine or compressor - has gudgeon pin formed on connecting rod with flat allowing insertion through slot in bearing
Inventor: ZEUCH MICHAEL DIPL ING DR
IPC: F16J1/14
Filed: 1979-02-06
Abstract: The crank drive is for use in an IC engine compressor etc. It consists of a piston coupled by a connecting rod to an eccentric crankpin etc. On the side of the piston (11) towards the crankpin (26) there is an extension (12) with a bearing accommodating a gudgeon pin formed in one piece with the connecting rod. The pin has one or more flats formed on it allowing it to be inserted in the bearing via a slot formed in the bearing assembly. When the connecting rod is then turned to coupled up to the crankpin this brings the gudgeon pin into a position where it cannot escape from the bearing.
Patent DE-2907994-A1 (DE)
Title: End milling tool fixing arrangement - uses spigot on end mill to fit into spindle, with keys to transmit torque
Inventor: REINHARDT HERMANN
IPC: B23C5/26
Filed: 1979-03-01
Abstract: The end of the tool spindle (1) has a counterbore (3) which forms a cylindrical surface (7). The end mill (6) has a spigot (8) which locates accurately in the counterbore. A screw (10) is used to secure the end mill on the end of the tool spindle. Keys can be mounted in the outer surface of the tool spindle which locate with key slots in the milling tool to transmit the machining torques.
Patent DE-2908419-A1 (DE)
Title: Regulation and flow control in line esp. for medical diagnostics - has liquid level control by variable head with sensor producing level signal
Inventor: SCHLUESSEL PETER
IPC: G05D7/01
Filed: 1979-03-03
Abstract: The precision flor control system is for use in medical diagnostic systems based upon a constant pressure drop provided by level control within a supply reservoir. Liquid is supplied (24) over a control valve (25) through a flexible tube (11) into a level controlled reservoir (3) with a sealed housing. The discharge flow (10) rate is governed by Torricelli's equation which indicates a dependence upon the height upon the liquid level (3a) to the discharge point. The nominal flow discharge is set manually by adjusting a base plate (4a) to which the discharge tube (12) is attahced, using an adjuster bar (7). A sensor provides a level signal (20) to control the flow from the supply tank.