baber/WOPTO huggingface dataset:
Patent GB-1007132-A (GB)
Title: A remote control locking device
IPC: F15B7/00
Filed: 1962-08-31
Abstract: 1,007,132. Remotely controlled fastenings. R. ROBERT. Aug. 31, 1962 [Sept. 29, 1961], No. 33435/62. Heading E2A. A remote control device applicable to the operation of a lock, comprises a master cylinder 8 Fig. 4, connected to at least one slave cylinder 28 the total variable volume of the or all the slave cylinders being substantially smaller than that of the master cylinder and all cylinders being such as to tend to expand to maximum volume the or each slave cylinder with less force than the master cylinder, the working fluid of the cylinders being a gas and the master cylinder being provided with a valve E such that when the master cylinder is fully compressed the whole of the interior of the system is vented to atmosphere and the or each slave cylinder becomes fully distended, whereas when the master cylinder is released and expands, the valve is closed and a partial vacuum is established inside the system so collapsing the or each slave cylinder. As shown the master cylinder 8 is acted upon by a piston 12 Fig. 9, which is actuated through linkage 16 and 21 by a keyoperated barrel lock 22 such that inward movement of the piston 12 in a cylinder 11 is transmitted by the master cylinder 8 and liquid in the conduits 3 each of the slave cylinders 28 which is expanded to actuate a piston 34. The latter is operatively connected with a member 106 or 109, Figs. 5 and 7 of a lock-mechanism and which in the actuated position shown, blocks the operation of a push button for operating the lock. In this arrangement, the valve E, Fig. 11, (not shown) is located in a protuberance of the cylinder 8. In another arrangement Fig. 12 (not shown) the piston 34, in its actuated position engages directly between a fixed stop and a lever of the lock mechanism. In both arrangements the slave cylinder is mounted on the lock casing by means of a bracket 40, 41, Fig. 9. In a further arrangement Fig. 13 (not shown) the slave cylinder is mounted by means of a collar portion 40 only. In the arrangement according to Fig. 14, the master cylinder 8, is subject to the engine oil pressure of a vehicle acting upon a movable diaphragm 65 and through an expansible member 68. A spring 72 prevents operation of the cylinder 8 at low engine speeds and a cock 73 permits adjustment of oil pressure applied to the device.
Patent GB-302306-A (GB)
Title: Process for the purification of nitrogen, hydrogen or mixtures thereof
IPC: B01D53/34
Filed: 1928-11-16
Abstract: 302,306. Soc. d'Etudes MiniÞres et Industrielles. Dec. 14, 1927, [Convention date]. Nitrogen; hydrogen.-Nitrogen or hydrogen or mixtures thereof for ammonia synthesis are purified from oxygen and from oxidizable impurities, such as carbon monoxide and acetylene and other hydrocarbons, and reducible impurities, such as sulphur and phosphorus compounds, by passing the gases at a temperature which, except in the case of nitrogen, must not exceed 600‹ C., over charcoal, e.g. wood charcoal. A small quantity of water vapour must be present in the gases and pressure may be employed in the reaction. Oxygen or air or hydrogen may be added, when necessary, with the gases before the treatment in quantities sufficient to ensure removal of the impurities. The conversion products of the impurities are removed by any suitable process .carbon dioxide being for example removed by caustic soda or potash, and sulphuretted hydrogen and phosphine by adsorption in chromic acid.
Patent GB-862141-A (GB)
Title: Reflex reflecting textile yarns and fabrics
IPC: D06Q1/10
Filed: 1957-10-28
Abstract: A silver plating of about 0.05 microns thickness is applied to glass microspheres having a refractive index of 1.9 and diameter 20-45 microns by agitating a silver nitrate solution, formed by dissolving 3.0 lbs. of nitrate in 300 lbs. of deionized water, and adding 30 lbs. of the microspheres followed by 6 lbs. of 28% ammonium hydroxide solution; rapidly adding a solution formed by stirring 2.5 lbs. of dextrose into a cooled potassium hydroxide solution of 1.5 lbs. of hydroxide in 20.5 lbs. of deionized water until clear; continuing agitation for 30 minutes to complete the reaction; recovering the microspheres by filtration; repeated washing with deionized water; drying with hot air.  The plated microspheres are half embedded in a resinous binder coating in a textile thread (see Group IX) which is passed through an acid etching bath, to remove silver from the exposed surfaces of the microspheres, and then through an alkali neutralizing bath.
Patent GB-991703-A (GB)
Title: Process for producing polymers, the polymers so produced, products made therefrom and methods of making them
IPC: C08F12/08
Filed: 1961-06-28
Abstract: Crystalline polystyrene soluble in methylene chloride is made by polymerizing styrene at a temperature of from 20 DEG  to 130 DEG  C. in the presence of a catalyst formed from (1) a halide of a transition metal of Group IVB, VB, or VIB of the Periodic Table in "Lange's Handbook of Chemistry", 8th Edition (1952), and (2) trimethylaluminium. The preferred component (1) is vanadium trichloride.  The polymerization is generally effected in a hydrocarbon diluent.  The polystyrene is recovered by conventional techniques.  The solution of the polymer in methylene chloride may be spun into fibres, and cast into films by conventional techniques.
Patent GB-605037-A (GB)
Title: Improvements in waste liquid control devices
IPC: E03F5/16
Filed: 1945-12-12
Abstract: 605,037. Grease and oil interceptors. HIRSHSTEIN, J. Dec. 12, 1945, No. 33686. [Class 33] A waste-liquid control device comprises a tubular member 40 sealingly mounted in the inlet opening 41 of a grease or oil interceptor 16, connected at its outer end to a plumbing line, and carrying at its inner end an orificed gate 46 which is movable to bring the orifice 52 into and out of alignment with the inner end of the tubular member. In the form shown, the gate 46 is pivotally mounted on a bolt 47 between a flange 44 on the tubular member and a fixed plate 48 with an opening 48a larger than the orifice 52, and equal or larger than the bore of the tubular member. The orifice 52 and opening 48a may be tapered to produce a Venturi effect, and the inner surface of the tubular member may be ribbed as at 40a to reduce the rate of flow. In one modification a singleorificed gate is slidable vertically, and in another a gate is rotatable about a horizontal axis and formed with orifices of different diameter. The operating lever may or may not extend outside the interceptor.
Patent GB-647002-A (GB)
Title: Improvements in or relating to bearings
Inventor: DAVIES WILLIAM JOHN
IPC: F16C19/55
Filed: 1947-12-19
Abstract: 647,002. Bearings. ROLLS-ROYCE, Ltd. Dec. 19, 1947, No. 33691. [Class 12 (i)] In a ball or roller bearing of the kind comprising inner and outer concentric race members 12, 13, an intermediate race member 19 and a set of balls 20a or rollers located between each adjacent pair of race members, the intermediate race member 19 is driven by means other than the balls or rollers or members rotating therewith. The means to drive the intermediate race 19 may comprise an axial extension 19a on the member 19 having gear teeth 19b engaging a pinion 22 on an auxiliary shaft 21. Alternatively the member 19 may be formed with a series of vanes on which is directed a stream of air or oil from a nozzle. In an arrangement employing two intermediate races 14, 15, Fig. 3, each has an extension 14a, 15a, on which a toothed annulus is formed, and these mesh with pinions 25 on a common shaft which is driven through a pinion 26 engaging an annulus 27 formed as an extension of the inner race 12. The relative rotational speed of each pair of ball tracks may be arranged to be substantially the same. In a further modification, the extensions 14a, 15a are formed as sleeves encircling the main shaft 10, and having gear teeth formed thereon which engage pinions on a lay shaft driven from the main shaft.
Patent GB-307780-A (GB)
Title: Improvements in or relating to cutting and creasing presses for paper, cardboard or the like
IPC: B41F19/00
Filed: 1927-12-13
Abstract: 307,780. Vickers, Ltd., and Nasmith, J. I. Dec. 13, 1927. Cutting-out presses.-In a cutting or creasing press for cardboard &c. with a forme 11, and platen 12 reciprocated from a crank-pin 17, a blank is positioned by an operator against a cross-bar stop 6, a roll 7 on a lever 27 is then rocked about a pin 26, by a rod 10, actuated from an adjustable cam 20, to deflect the blank which is fed between the platen and the forme by a feed roll 8 continuously rotated from a shaft 15. Specifications 310,068; and 320,196, [Class 117, Sifting &c], are referred to.
Patent GB-927897-A (GB)
Title: Process for the recovery of vinyl polymers from aqueous dispersions
IPC: C08J3/16
Filed: 1959-10-05
Abstract: Polymers obtained by the emulsion polymerization of at least one monomer containing a vinyl group are recovered from aqueous dispersions thereof by a process wherein a thin layer of the dispersion is dried on a drying roller provided with scraping means the dispersion being taken from a bath and applied to the drying roller by means of a feed roller.  The drying conditions depend on the solids content of the dispersion and the proportion of dispersion agent therein; a flowable product which does not require further disintegration can be obtained by appropriate adjustment of the distance between the rollers and their rates of rotation.  The presence of additions such as plasticizers, fillers, stabilizers or wax in the dispersion does not impair the drying process.  The process may also be applied to a mixture of an emulsion of a vinyl chloride polymer and an emulsion of a different polymer.  In examples flowable powders are obtained from the following emulsions:-(1) and (2) polyvinyl chloride; (3) a 90/10 vinyl chloride-vinyl acetate copolymer; (4) a mixture of 90 parts polyvinyl chloride emulsion with 10 parts of a proprietary butadiene-acrylonitrile copolymer emulsion or natural rubber latex; (5) a dispersion of 20% wt. chalk or (6) 0,5% wt. diphenylthiourea plus 2% wt. paraffin wax in a polyvinyl chloride emulsion and (7) a dispersion of 16% wt. dibutyl phthalate in an emulsion of an 80/20 vinyl chloride-vinyl acetate copolymer.ALSO:Polymers obtained by the emulsion polymerization of at least one monomer containing a vinyl group are recovered from aqueous dispersions thereof by a process wherein a thin layer of the dispersion is dried on a drying roller provided with scraping means the dispersion being taken from a bath and applied to the drying roller by means of a feed roller.  The drying conditions depend on the solids content of the dispersion and the proportion of dispersion agent therein; a flowable product which does not require further disintegration can be obtained by appropriate adjustment of the distance between the rollers and their rates of rotation.  The presence of additions such as plasticizers, fillers, stabilizers or wax in the dispersion does not impair the drying process.  The process may also be applied to a mixture of an emulsion of a vinyl chloride polymer and an emulsion of a different polymer.  In examples flowable powders are obtained from the following emulsions containing (1) sodium hydrocarbon sulphonate and (2) sodium laurate as emulsifiers:-(1) and (2) polyvinyl chloride;(3) a 90/10 vinyl chloride-vinyl acetate copolymer; (4) a mixture of 90 parts polyvinyl chloride emulsion with 10 parts of a proprietary butadiene-acrylo-nitrile copolymer emulsion or natural rubber latex; (5) a dispersion of 20% wt. chalk or (6) 0,5% wt. diphenylthiourea plus 2% wt. paraffin wax in a polyvinyl chloride emulsion and (7) a dispersion of 16% wt. dibutyl phthalate in an emulsion of an 80/20 vinyl chloride-vinyl acetate copolymer.
Patent GB-1057845-A (GB)
Title: Improvements in check valves
IPC: B60S1/10
Filed: 1963-08-26
Abstract: 1,057,845. Valves. TRICO PRODUCTS CORPORATION. Aug. 26, 1963 [Aug. 27, 1962], No. 33742/63. Heading F2V. Automobile windscreen wipers (24) (Fig. 1, not shown) are operated, via a crank (26), link (25) and lever (23), by a fluid motor (21) actuated from a vacuum storage tank (10) supplied, via a diaphragm check valve 17, from the engine intake manifold. Corrosion resistant synthetic rubber diaphragm 28 is circumferentially clamped, between housing rim 31 and the wall 18 of the tank, by a spring steel anchor member 36 secured by peening over the end 33 of the outlet nipple 20, to the wiper motor 21. Excess vacuum in the engine inlet manifold communicates with the tank 10, from inlet nipple 16, around the opening 29 of the raised diaphragm 28 which seats upon a plastics insert 41 which is tapered to provide enhanced speed of valve actuation. Vibration of the diaphragm 28 is prevented by engagement with a projection 32<SP>1</SP>, in the open position. The plastics insert 41 may be omitted (Fig. 5, not shown) and the edge around the opening 29 on the diaphragm seat directly on a tapered or cylindrical outer surface of the nipple extension 34. When used as a separate valve, the member 36 is replaced by a cover (43) (Fig. 6, not shown) circumferentially riveted around the flange (31), with an orifice plate therebetween, which rests at its inner circumference upon a flange of the nipple extension 34. The valve (as shown in Fig. 6) may be employed with a positive pressure source connected to nipple 20 or (Figs. 2 to 5) with a pressure source connected to nipple 16, the position of the seat and diaphragm are inverted.
Patent GB-830846-A (GB)
Title: Erythromycin esters of dicarboxylic acids
IPC: C07H17/08
Filed: 1957-10-29
Abstract: The invention relates to esters of erythromycin having the general formula <FORM:0830846/IV (b)/1> wherein Eryth is the radical obtained by the removal of a hydroxyl group from erythromycin, R is a dicarboxylic acid radical and R1 is an alkyl group.  Preferred are the diesters of an aliphatic dicarboxylic acid having the general formula <FORM:0830846/IV (b)/2> wherein R11 is 1 to 4 C alkyl and n is an integer of 2 to 10 inclusive.  The dicarboxylic acid may be aromatic such as phthalic acid, saturated aliphatic such as succinic, pimelic, azelaic, glutaric, adipic and sebacic, or unsaturated aliphatic such as fumaric, glutaconic and allyl succinic.  R1 and R11 may be methyl, ethyl, propyl, butyl, octyl or decyl.  The esters are produced by reacting erythromycin with a dicarboxylic acid compound having one of the carboxylic groups esterified and the other carboxylic group provided with a reaction group which will form an ester with erythromycin, e.g. an acid chloride. Preferably a haloformyl derivative of a mono-ester of the dicarboxylic acid compound is reacted with erythromycin in accordance with the equation <FORM:0830846/IV (b)/3> wherein Eryth, R and R1 are as above and X is halogen, in the presence of a solvent such as acetone, the ester being precipitated by the addition of water.  This method is used in the examples for the preparation of (a) erythromycin ethyl succinate from erythromycin and ethyl b -chloroformylpropionate; (b) erythromycin ethyl pimelate from erythromycin and ethyl-5-chloroformyl caproate; (c) erythromycin ethyl azelate from erythromycin and ethyl-7-chloroformyl caprylate.  The esters may be incorporated in pharmaceutical compositions (see Group VI).ALSO:A therapeutic composition comprises an erythromycin alkyl diester of a dicarboxylic acid especially one of general formula <FORM:0830846/VI/1> wherein Eryth is the radical of erythromycin which itself is represented by Eryth-OH, R11 is 1 to 4 C alkyl and n is an integer from 2 to 10 inclusive (see Group IV (b)) in a pharmaceutical carrier suitable for intramuscular injection.  The example relates to an injection consisting of a solution of erythromycin ethyl succinate in polyethylene glycol and also containing benzyl alcohol and n-butyl p-aminobenzoate.
Patent GB-1468268-A (GB)
Title: Hydrostatic transmission drive system
IPC: B62D11/04
Filed: 1974-03-21
Abstract: 1468268 Hydrostatic transmission control EATON CORP 21 March 1974 [26 Sept 1973] 33825/76 Divided out of 1468267 Heading F2W The subject matter of this Specification is identical with that described in Specification 1,468,267, but the claims are directed to reducing the control pressure supplied through the speed control and reversing valve to the pump and motor displacement adjusting servomotors when the delivery from the make-up pump falls below a predetermined value whilst maintaining the original setting of the speed control and reversing valve.
Patent GB-339361-A (GB)
Title: Improvements in apparatus for determining the speed of aircraft
IPC: G01P3/00
Filed: 1929-05-31
Abstract: 339,361. Tristram, G. H., and Buckle, C. May 31, 1929. Divided on 339,294. Gunnery-calculators; computing-scales.-Means for estimating the speed of aircraft comprises a chart having lines or curves plotted on each side so as to correlate the range, height, angle of sight and speed of the target and its time of transit across a marked or chosen field in the sighting telescope, means, such as a cursor, common to both sides of the chart being employed to correlate readings on one side with those on the other. The charts shown in Figs. 2 and 3 appear on opposite sides of a card a and have a common cursor b. The chart of Fig. 2 enables the cursor line c to be set for range at the intersection of the readings for angle of sights and height, and the chart of Fig. 3 enables the speed of thetarget to be read at the point of intersection of the line c with an ordinate tf obtained by recording the time taken by the target in traversing from the centre of the field of the sighting telescope to an ellipse in its gratecule, Fig. 1, which corresponds to the angle of sight. The sighting- telescope used is that described in Specification 339,294.
Patent GB-358330-A (GB)
Title: Apparatus for charging horizontal coke ovens with rammed coal cakes
IPC: C10B31/10
Filed: 1930-11-11
Abstract: 358,330. Charging coke ovens; cranes. STILL, C., Recklinghausen, Westphalia, Germany. Nov. 11, 1930, No. 33952. Convention date, Nov. 16, 1929. [Classes 51 (ii) and 55 (i).] The removable plate 5 which supports the end of a compressed cake of fuel and is passed into the oven with the charge, is removed vertically through an opening 14 in the roof. A travelling gantry 15 is mounted on the oven battery and carries a track 16, by which the hoist 17 can be traversed, so that the plate 5 can be taken back to the charging bench immediately after its removal from an oven. Alternatively a track for a simple travelling crane may extend round the top of the battery. The ,plate is supported by pins 6 in the peel plate 3, and is supported at its upper end by a chain 7 connected to the opposite endplate. The end link 34 of the chain fits over a peg 33 projecting upwards into an aperture 32 in the plate, the arrangement being such that the chain will be freed from the plate when the eye at the end of the lifting-rod 23 is engaged with the hook 25. Rotation of the plate about a vertical axis is prevented by suspending it from a pulley 22. A coned stopper 26 for the opening 14 is carried loosely on the rod 23, or alternatively blast nozzles 38 may be provided for preventing escape of gas. After the plate has been removed from the oven a flue pipe 28 is moved into register with the opening 14 and a chimney 30 to take off the gases evolved during the remainder of the charging operation. The lifting crane may be fitted with an electromagnet which is energized to hold the plate from swinging during the travel of the crane.
Patent GB-176139-A (GB)
Title: Improvements in conveyor chains
IPC: A21B1/48
Filed: 1920-12-01
Abstract: 176,139. Baker, Sons, & Perkins, Ltd., J., and Kirman, H. Dec. 1, 1920. Bakers' ovens.-A conveyer chain for supporting trays and pans in bakers' ovens comprises alternate single links a lying in the central plane of the chain and coupled together by double camel links comprising at one side a triangular plate b and at the other side a straight plate b<2>. The plates b, b<2> occupy opposite sides in alternate camel links. The connecting-pins d work in bushes c having central polygonal projections which engage in similarly shaped holes c<1> in the links a. Rollers e are mounted on the bushes.
Patent GB-1095085-A (GB)
Title: Leaf springs
Inventor: DUGDALE DONALD STEPHEN
IPC: F16F1/18
Filed: 1966-07-29
Abstract: 1,095,085. Laminated leaf springs. FORD MOTOR CO. Ltd. July 29, 1966, No. 34083/66. Heading F2S. In manufacturing a laminated leaf-spring, e.g. of the semi-elliptic, quarter-elliptic, &c. kind, as light as possible with a constant fibre stress throughout the length of each leaf at the maximum load on the spring, the overhang b and thickness t of each leaf is ascertained, assuming the width w constant for all leaves, to give the maximum surface fibre stress S which is to be apportioned to each leaf of the spring, S being proportional to b where w and t are the width and wt<SP>2</SP> thickness respectively of the main part a 1 , a 2  &c., of a leaf and b is the length of the overhang portion b 1 , b 2  &c., and then the deflection Ya, Yb, Fig. 2, from a fully laden state to a free state of no load is calculated from conventional bending beam theory, the datum line from which 7a and 7b are measured being straight as shown, or curved if the spring has a curvature when fully loaded. The fully laden state is the static load required to produce a full jounce deflection. In the assembled state there may be some interference or some " gapping " between the leaves at no load, and, since a thicker leaf suffers more from fatigue than a thinner leaf, the maximum desired stress in a thicker leaf may be slightly less than in a thinner leaf. To ensure that the leaves only contact at the desired pressure points buttons can be interposed between the leaves, interference between the leaves can also be overcome by making the overhang stiffness ratio k equal to <SP>2</SP>/ 3  and forming all the leaves of the arc of a circle radius R in the unstressed state, k being the ratio of the actual stiffness of the tapered overhang to the stiffness if it were of constant thickness equal to the main part of the spring, there being no need to taper the main leaf.
Patent GB-325570-A (GB)
Title: Improvements in or relating to the extraction of celiulose
IPC: D21C3/22
Filed: 1928-11-20
Abstract: 325,570. Thiriet, A. Nov. 20, 1928. Pulp, preparation of.-In the extraction of cellulose from vegetable material by a process wherein the material is treated in one of a series of vats, the material remaining stationary in the vat and being subjected therein to a series of treatments with hot soda lye in successively increasing concentrations, the lye having already been used in other vats of the series, the material is treated under atmospheric pressure and the lye is caused to circulate continuously through the whole series of vats so that the cellulose is ultimately liberated in a soda solution free from organic matter. The treating plant comprises a series of vats 1 having perforated false bottoms 4, circulating pumps 6, calorifiers 8 fed with steam through piping 30, multi-way cocks 9, decanting troughs 20 for the purification of water, water and soda distributing troughs 23, 25 and connecting piping arranged as shown. All the vats other than those being loaded or emptied, or in which the pulp is being washed, form a closed circuit in which the lyes circulate. When a vat in which the treatment is completed receives washing water through the piping 14 an equal amount of lye is displaced and forced into the next vat. Soda as required is added to this next vat through piping 15. The lye so displaced from this vat is pumped into the next vat and the circulation continues throughout the series of vats, completely used lye which has passed through the entire circuit being discharged from the last vat. For straw, spanish grass &c. the lye is maintained at 70-95‹ C. To purify the water, alkaline-earth salts are cold precipitated therefrom by small amounts of caustic soda in the troughs 20, the water and caustic soda being distributed respectively from troughs 23, 25. Specifications 306,072 and 318,868 are referred to.