baber/WOPTO huggingface dataset:
Patent GB-1375783-A (GB)
IPC: A23J1/04
Filed: 1972-02-04
Abstract: 1375783 Preserving fish ASTRA NUTRITION AB 4 Feb 1972 5419/72 Heading A2D [Also in Division C3] A process for the preservation of a fish material which has been prepared from fish by disintegration, boiling, deboning, separation, pressing and removal of bones, stick water and some fat, which comprises storing the fish material in the presence of at least one alkanol of 2-4 carbon atoms, in a total amount of 10-30% by weight based on the weight of water in the fish material. The preferred alkanols are iso-propanol, n-butanol, sec-butanol or iso-butanol. The treatment is advantageously carried out following the extraction from the material of substantially all remaining fat, taste producing and odour producing substances with a C 2 -C 4  alkanol to give a proteinaceous product. Reference has been directed by the comptroller to Specification 1,114,547.
Patent GB-778568-A (GB)
Title: Photographic teleobjective
IPC: G02B13/00
Filed: 1956-02-22
Abstract: 778,568. Optical objectives. AGFA CAMERA-WERK AKT.-GES. Feb. 22. 1956 [Feb. 23, 1955], No. 5564/56. Class 97(1) A telephoto objective consists of a front positive meniscus doublet of focal length greater than 8F closely followed by a simple positive meniscus of focal length greater than 5F and less than .7F both being separated by a considerable distance from a rear negative meniscus doublet, concave to the front, and having a convergent cemented surface concave to the rear.. F being the focal length of the objective. Numerical data are given for one example of the objective shown.
Patent GB-792132-A (GB)
Title: Method of sealing a tungsten part in hard glass
IPC: C03C27/04
Filed: 1955-02-24
Abstract: In a method of sealing a tungsten part in hard glass in a vacuum-tight manner, the part or at least that portion thereof which is to be sealed in the glass is immersed in a liquid which oxidizes said part or portion and dissolves at least a proportion of the oxidized material, the cross-sectional area of the part not being reduced by more than 10 per cent, and is then entered into a heat-softened portion of the glass, the tungsten-glass interface of the resulting seal having a silvery appearance.  The example describes the treatment, in a solution consisting of, by weight, 5 per cent sodium hydroxide, 15 per cent potassium ferricyanide, 80 per cent water, of tungsten wires which are to be sealed into "Pyrex" (Registered Trade Mark) stems to serve as lead-in wires for electrodes of discharge apparatus.  Tungsten parts having other shapes such as tapes, cords and strips may be treated; other liquids which may be used are (i) boiling 3 per cent hydrogen peroxide, and (ii) a mixture, by weight, 1 part nitric acid, 3 parts hydrofluoric acid, and 4 parts water.
Patent GB-103738-A (GB)
Title: Improvements in Weft Detecting Mechanism for Looms for Weaving.
Inventor: HOLLINGWORTH EDWARD
IPC: D03D51/34
Filed: 1916-04-18
Abstract: 103,738. Holling worth, E., (Crompton & Knowles Loom Works). April 18, 1916. Stop-motions, weft.-In a centre-fork motion with yielding downward movement of the fork, means as specified below are provided for partly raising the fork to relieve the weft from tension and thereafter permitting a second and complete downward movement of the fork before the lay reaches its extreme forward position. In one form, a weft fork 20, Fig. 2, is pivoted at 21 to a stand 23 secured to the lay 13, and is adjustably connected by a link 26 to the rear end of a dagger 24, which is pivoted at 25 to the stand 23 and has its rear end pressed downwards by a spring 27. A shoe 30 on the dagger is engaged by the upper end of a guided rod 31, which is adjustably pivoted at its lower end in such a position that, as the lay moves forwards, the fork 20 is allowed to descend under the action of the spring 27. If the weft is absent, the point of the dagger engages a notch 36 in a collar 35 fixed to a shaft 16, which is thereby rocked to stop the loom or actuate weft-replenishing mechanism; but if the weft is present, the dagger misses the notch and is depressed by a cam-shaped projection 37 on the collar 35, so that the fork 20 is raised slightly to release the weft. Continued forward movement of the lay causes the dagger to pass freely under the collar 35. In a modified form, the fork 53, Fig. 7, is pivoted at 54 and connected by a link 56 to a member 57, which, in its rearward position, rides on a cam-plate 58 secured to a stand 59 bolted to the breast beam 51, so that the fork is raised. As the lay moves forwards, the member 57 moves down the camplate, and, if the downward movement of the fork is not stopped by the weft, the member 57 engages a notch 60 in a pivoted arm 61, which acts through a stud 63 and an arm 64 to rock the transmission shaft 52. If the weft is present, the member 57 rides over a cam-shaped projection 65 on the arm 61, causes upward movement of the fork. and then passes freely beyond the projection 65 to allow the second downward movement of the fork.
Patent GB-231841-A (GB)
Filed: 1925-03-02
Abstract: Vinyl ethers and esters are prepared by the interaction of acetylene with a liquid compound containing a carboxyl or hydroxyl group (excluding chlorinated acetic acids), in the presence of a mercury catalyst, the vinyl compound being removed as soon as formed in order to prevent its transformation into an ethylidene compound.  The removal may be effected by passing a vapour or gas, particularly an excess of acetylene, through the liquid, or by adding substances which condense or polymerize the vinyl compound, or by diluting the reaction liquid with an indifferent solvent or with the corresponding ethylidene compound.  The reaction is preferably carried out below the boiling point of the mixture and under diminished pressure.  The operation may be continuous or discontinuous, and in the latter case the excess of acid or alcohol may be neutralized or esterified.  The process may also be improved by extracting the reaction mixture, either continuously or at intervals, with a solvent for the vinyl compound which is immiscible with the reaction mixture.  According to the examples. (1) mercury sulphate is emulsified in acetic acid and acetylene is circulated through the warm mixture, preferably while stirring vigorously; vinyl acetate distils off and is condensed or absorbed in a solvent such as acetic acid; the excess of acetylene is recirculated through the reaction vessel and fresh acetic acid is added; (2) acetylene is introduced into an emulsion of mercury phosphate in absolute alcohol and ligroin; vinyl ether is separated from the escaping acetylene by condensation or absorption.
Patent GB-1329905-A (GB)
Title: Screening machine
Inventor: BOLTON III J A
IPC: B07B1/00
Filed: 1971-03-01
Abstract: 1329905 Screening apparatus for paper pulp BIRD MACHINE CO Inc 9 Dec 1971 [16 Dec 1970] 57291/71 Heading B1D A paper pulp screening apparatus comprises a slotted or perforate cylindrical screen 12 enclosing a rotor 14 whose exterior surface presents bumps or lobes to create a cleaning action on the screen and whose interior includes a passage whereby material is recycled from the rejects outlet zone 24 to the inlet end of the annular screening zone 32, thereby reducing concentration of rejected solids in zone 24 and increasing the throughput of accepted material to zone 20. The rotation of the rotor causes its interior to act as a centrifugal pump, material being drawn in through apertures 42 and discharged through the open end of the rotor or through sidewall apertures 44, if the rotor end is closed, or both. Rejects material may be continuously discharged, but as shown rejects valve 28 is opened intermittently 'by timer 30. In Fig. 4 (not shown) the inlet of the rotor is an annular gap between its lower edge and a central pedestal. Screen 12 may have round inwardly tapering holes 0.25 inches wide or slots of 0.025 inches width and 1.5 inches long. The lobes on the rotor in Fig. 3 (Fig. 2 not shown) extend its whole length.
Patent GB-787395-A (GB)
Title: Substituted pregnanediones and process for their manufacture
IPC: C07J5/00
Filed: 1955-02-25
Abstract: The invention comprises 17, 21-dibromo-pregnane-3,20-dione and the preparation thereof by a process which may commence at any stage in the following synthesis: 3-acyloxypregnan-20-one is dibrominated at the 17- and 21-positions, the resulting 3-acyloxy-17,21-dibromopregnane-20-one is deacylated, and the resulting 3 - hydroxy - 17,20 - dibromopregnan-20-one is oxidized with an N-bromoimide or N-bromoamide.  The 3-acyloxypregnan-20-one may be 3a - or 3b -acetoxy-pregnane-20-one or a mixture of these compounds, and the 3-hydroxy - 17, 20 - dibromopregnane may be the 3a - or 3b -hydroxy compound or a mixture thereof.  The deacylation step may be carried out at ambient temperature or at an elevated temperature by means of methanol in hydrochloric acid.  The invention is also concerned with a process for the preparation of pregnane compounds which may stop at any stage in the following synthesis: 17,21-dibromopregnane-3-20-dione is dehydrobrominated at positions 16- and 17- by the action of anhydrous sodium or potassium acetate in the presence of boiling anhydrous acetic acid to form 21-bromo-D 16-pregnene-3,20-dione.  The bromine atom of which is replaced by iodine by treatment with sodium iodide in acetone to form 21-iodo-D 16-pregnene - 3,20 - dione, this compound is treated with the required organic salt such as the silver, sodium or potassium acylate, e.g. potassium acetate, in boiling acetone to form 21 - acyloxy - D 16 - pregnene - 3,20 - dione, e.g. the 21-acetate which is hydrogenated in the presence of a hydrogenation catalyst, e.g. palladium/carbon black, to form 21-acyloxypregnane-3,20-dione, e.g. the 21-acetate, which is then brominated with N-bromosuccinimide in the presence of water and an oxidizable primary or secondary alcohol or by means of bromine in acetic acid or in dimethylformamide to form 21-acyloxy-4-bromopregnane-3,20-dione, e.g. the 21-acetate and the 21-acetate-4- bromo-pregnane-3,20-dione is reacted with semicarbazide to form the 3-semicarbazone of the acetate of desoxycorticosterone. The examples illustrate the processes outlined above and refer to the conversion of the 3-semicarbazone of the acetate of desoxycorticosterone to the acetate of desoxycorticosterone by treatment with pyruvic acid. Specification 760,362 is referred to.
Patent GB-1208347-A (GB)
Title: Methods of regulating steam heat power plant
IPC: F01K13/02
Filed: 1968-02-06
Abstract: 1,208,347. Automatic control of steam heat power plant. SULZER BROS. Ltd. Feb.6, 1968 [Feb. 6, 1967], No.5822/68. Heading G3R. Steam heat power plant for supplying electrical power from a generator 11 and hot water to a heating network 20, 28 comprises a steam generator 1 supplying a turbine 5, 7, 9 from which steam is tapped to heat exchangers 21, 22, 25, the generator 1 and the heat exchangers being automatically controlled to maintain desired power and heat outputs by power and heat controllers 34, 35 whose output signals each comprise proportional and time integral components and which are fed to summators A, D respectively producing an output equal to the sum of the signals and an output equal to the difference of the signals. The output signal from A is supplied as set point signal to a PI controller 41 also supplied with a signal from a meter 43 measuring the steam flow from generator 1, the output of controller 41 varying the rate of fuel supply to the generator through a signal generator 44 and a fuel controller 46 fed with a measured rate of fuel flow signal from a meter 47. To improve the dynamic characteristics of the system the outputs of summators A, D are fed to a divider element 70 whose output is equal to the output of D divided by the output of A and is fed to function generators 83, 84, which respectively control a valve 8 for varying the steam supplied from turbine stage 7 to exchangers 21, 22 and a valve 27 for varying the steam supplied from turbine stage 5 and reheater 6 to the exchanger 25. The characteristics of generators 83, 84 are chosen so that one or other produces an output according to the polarity of the signal from divider 70, the valves 8, 27 thus being sequentially controlled with changeover when one or other is fully regulated. Valve 27 is controlled by a pressure regulator 82 supplied with a measured pressure signal from meter 86 and with the output of generator 84 via a limiting element 88 which enables the heat output of exchanger 25 to be limited to a desired value or completely prevented. Controllers 34, 35 are respectively supplied with the measured electrical power output and with the measured water temperature at the outlet 28 to the heating network. The turbine is protected by a controller 92 which is supplied with measured and limiting speeds and controls a main steam valve 4. Another limiting regulator 94 controls pressure reducing apparatus 16 to limit the steam pressure of the generator 1. The Specification describes various methods of operating the plant in accordance with any one of the following conditions: - (a) Set values of power and heat output. (b) Optimum operation with a set heat output. (c) Optimum operation with a set power output. (d) Solely heating operation. (e) Solely power operation.
Patent GB-660238-A (GB)
Title: Ship's ventilation system
IPC: B63J2/10
Filed: 1949-03-03
Abstract: 660,238. Ships' ventilation. MILLER & SONS, Ltd., J. N., and MILLER, W. P. March 3, 1950 '[March 3, 1949], No: 5826/49. Class 137 In a ships' ventilating system part of the air entering a forwardly situated scoop 1 passes down a pipe 3 to a point low down in a compartment 4 which is tc be ventilated, the rest of the air entering the scoop 1 passing along a pipe 6 tc be discharged through ar aft scoop 2 and create within the latter a partial vacuum thus inducing air to flow up a pipe 5, having an opening high up in the compartment 4, and discharge the vitiated air from the compartment 4 out through the scoop 2. The pipe 6 may serve as a handrail on the deck of a ship.
Patent GB-714058-A (GB)
Title: Improvements in edible powders and method of making the same
IPC: A23L19/00
Filed: 1951-03-12
Abstract: Food powders are made by mixing a dried, cellularly intact powder of a starchy vegetable substance and a cooked food in wet form in quantities such that the water content of the mixture does not much exceed 50 per cent, and drying the mixture at a temperature up to, but not much exceeding, 50 DEG C.  The dry starchy vegetable powder may be mixed with a portion of the wet, cooked food in finely-divided form in quantity such that the water content does not exceed 50 per cent, the mixture dried at least partially at the temperature not exceeding 50 DEG C, into the product may be mixed another portion of the wet, cooked food and the mixture dried at least partially, and such mixing in of wet, cooked food and drying continued until the product contains the desired proportion of the cooked food, an example of this procedure being concerned with the production of a powder of 8 per cent water content containing 98 parts of tomato solids to 2 parts of potato solids by gradual incorporation of finely divided, cooked tomato of 90 per cent water content into potato powder of 8 per cent water content, and final sieving to remove the skins of the tomatoes.  Other examples are concerned with production similarly of onion and tomato flavoured and celery and tomato flavoured powders.  Preparation similarly of a powder containing all the vegetables normally used for vegetable soup, an apple powder for apple sauce, and powders containing meat and meat extract is also referred to.
Patent GB-1361965-A (GB)
Title: Apparatus for packaging loose objects such as household refuse
IPC: B30B9/30
Filed: 1973-02-06
Abstract: 1361965 Packaging refuse SOC ARTESIENNE DE CONSTRUCTIONS MECANIQUES 6 Feb 1973 [26 Jan 1973] 5896/73 Heading B8C Apparatus for packaging refuse comprises a hopper adapted to be connected to a waste collector and an extraction screw in the bottom of the hopper co-operating with means for guiding and ejecting waste out of the hopper into receptacles for transport. In the arrangement according to Fig. 1, refuse fed into a hopper 1 is deflected by a wall 6 into a chamber 3 along which it is carried by a motor-driven screw 7 into a cylindrical ejection chamber 14 over the open end of which is threaded a sack 15. A container 16 is positioned over the sack and is movable outwardly of the chamber 14 by the pressure of refuse expelled into the bag 15 by the screw 7, against a counterweight 18 connected to the container 16 by a strap 19, the container 16 carrying rollers 21 which run in a guideway 23. The arrangement is such that when the sack is full, the container carrying the sack runs off an inclined portion of the guideway where the sack is sealed and removed. In another arrangement, Figs. 4 and 5, a hopper 27 includes a recess 30 for a dustbin or like into which refuse is expelled from a channel 31 by a screw 34. A deflector 33 includes a ramp 35 which is inclined in a plane substantially perpendicular to the thread of the screw, which projects slightly beyond the opening in the hopper.
Patent GB-735250-A (GB)
Title: Rotary shaft seals
Inventor: HANY HARALD
IPC: F16J15/34
Filed: 1953-03-03
Abstract: 735,250. Shaft seals. HENSCHEL & SOHN GES. March 3, 1953, No. 5898/53. Class 122 (5). In a rotary shaft seal in which a non-rotatable sealing-ring a of carbon or like material is slidably sealed to the shaft housing h and has a side face pressed into contact with a rotatable radial sealing face on the shaft t by the pressure of the sealed fluid, the sealing contact force is reduced by providing in the rotatable sealing face grooves or recesses d open to the sealed fluid. The rotatable sealing face, which is formed on a disc c fixed to the shaft, may be formed with one or more endless eccentric grooves, spiral grooving, or a series of spaced recesses to which the sealed fluid has access through the clearance e between the shaft and the non-rotatable ring a. When there is no fluid pressure, sealing pressure is provided by leaf-springs g secured to the housing hand engaging in slots f in the ring a which is sealed to the housing a by a piston-ring b.
Patent GB-726091-A (GB)
Title: Improvements in electric heater for subterranean fluid reservoirs
IPC: E21B36/04
Filed: 1953-03-03
Abstract: 726,091. Heating fluids by electricity. DEHN, S. G. (Thermactor Co.). March 3, 1953, No. 5899/53. Class 39 (3). An electric heater for heating the fluid contents e.g. oil or gas of subterranean reservoirs comprises an unobstructed uniform diameter tubular member 7 and an outer tubular member 8 which together form an annular chamber which is hermetically sealed and contains heating resistances of' wire laced longitudinally through insulating rings 21. A helical spring 29 urges the heater assembly upwardly against a fixed positioning ring 25 and acts as a shock absorber. Current supply is via a cable. 34 secured in a head member 9 which also carries a thermostat 23. The inner tubular member 7 is screw threaded at its ends to enable it to be coupled in the fluid flow tubing (Fig. 4, not shown).
Patent GB-930808-A (GB)
Title: Antitubercular composition comprising acetanilide derivatives
IPC: A61K31/275
Filed: 1961-02-17
Abstract: The invention comprises 31-chloro- and 51-chloro-2-cyano-21-acetotoluidide, and the folfollowing methods of preparing 2-cyano-acetanilides are disclosed: (i) 31-chloro-2-cyano-21-acetotiuidide by reacting 3-chloro-o-toluidine with ethyl cyanoacetate; (ii) 51-chloro-2-cyano-21-acetotoluidide by reacting 5-chloro-2-methyl aniline with PCl3 and cyanoacetic acid in dioxane; (iii) 31-chloro-2-cyanoacetanilide by reacting m-chloroaniline with a -cyanoacetic acid in a solution of diethylethylene pyrophosphite in diethyl phosphate; (iv) 2-cyano-21-acetotoluidide by adding dropwise to a cold benzine solution of o-toluidine a solution in benzene of the product obtained by treating a -cyanoacetic acid in ether with PCl5 and removing the ether, HCl and POCl3 by evaporation under reduced pressure; (v) 2-cyano-41-acetoanisidide by grinding together p-anisidine hydrochloride and a -cyanoacetamide and heating until the exothermic reaction occurs; (vi) 61-chloro-2-cyano-31-aceto-toluidide by adding PCl3 in acetonitrile to a cold solution of 2-chloro-5-methylaniline, cyanoacetic acid and triethylamine in acetonitrile and heating the mixture to boiling after the initial exothermic reaction has subsided.  Similarly there may be produced 41 - chloro-2-cyano-21-acetotoluidide (from 2 - methyl - 4-chloroaniline); 31,51-difluoro-2-cyanoacetanilide (from 3,5-difluoroaniline); 2-cyano-21,31-acetoxylidide (from 2,3-dimethylaniline; 2-cyano- 21-fluoroacetanilide from 2-fluoroaniline); 51-fluoro-2-cyano-21-acetotoluidide (from 2-methyl-5-fluoroaniline) and 2-cyano-31,51-difluoroacetanilide (from 3,5-difluoroaniline).ALSO:Pharmaceutical compositions for the treatment of tubercule bacilli infections in unit dosage form comprise a carrier and a compound of general formula <FORM:0930808/VI/1> wherein R is a hydrogen atom or a C1-6 alkyl radical, R1 is a hydrogen or halogen atom, a C1-6 alkyl radical or a trihalomethyl radical and R2 is a hydrogen or halogen atom or a hydroxyl or alkoxy radical.  Unit dosage forms mentioned are tablets, pills, granules and capsules.  Other medicinally active materials, e.g. p-aminosalicylic acid, may also be present.
Patent GB-633324-A (GB)
Title: Improvements in and relating to the shaping of pottery articles
IPC: B28B1/02
Filed: 1948-02-27
Abstract: 633,324. Making pottery. SERVICE (ENGINEERS), Ltd., and JOHNSON, J. A. Feb. 27, 1948, No. 5908. [Class 87 (i)] In a machine for shaping pottery the too] 13 is moved towards the jigger head 12 to partially shape the clay 17, is withdrawn whilst the clay is sprayed with water and is then again moved towards the jigger head to complete the shaping operation. The shaping tool is supported by an arm 14 which is rocked by a cam 16 acting through a link 28. The water spray is regulated by a cam 21 acting through an atomizer valve control rod 22. Specification 574,920 is referred to.
Patent GB-647015-A (GB)
Title: Improvements in frequency control of high frequency oscillators
IPC: H03B1/04
Filed: 1948-02-27
Abstract: 647,015. High-frequency impedance networks. DEPARTMENT OF COMMERCE, DIRECTOR OF THE OFFICE OF TECHNICAL SERVICES OF. Feb. 27, 1948, No. 5943. Convention date, April 18, 1945. [Class 40 (viii)] An impedance arrangement for stabilizing a high-frequency low Q oscillator comprises a transmission line connecting the oscillator to a load with a number of high-Q resonators connected to the line in such a manner that the frequencies at which they are each resonant, effect maximum power transfer to the load. Alternatively a stub may be connected to the transmission line, terminated by absorptive material and provided with a resonant cavity communicating with the stub through an iris. As shown, the generator 22 is connected by a wave-guide 23 to load 23A. An intermediate section 24 of the guide is provided with a stub 25 terminated by a load 35 and having one or more resonant cavities 26, 27, 28, and 29, coupled thereto through apertures in the wall thereof and provided with tuning screws 33. The stub may be slid by a screw 32 along section 24. This unit produces practically zero attenuates when one of its cavities is resonant at an oscillator frequency, but produces attenuation at other frequencies. It thus tends to stabilize the oscillator at any of the frequencies of its resonant cavities.