baber/WOPTO huggingface dataset:
Patent GB-894568-A (GB)
Title: Method for the modification of vaccines and toxoids and products obtained
IPC: A61K39/10
Filed: 1959-04-06
Abstract: Vaccines and toxoids are prepared by digesting a pathogenic organism with a proteolytic enzyme, e.g. pepsin, and thereafter oxidizing with a mild acid, e.g. acetic acid and a nitrite, e.g. sodium nitrite, and heating for about 6-28 hours at about 56-64 DEG  C.  If a toxoid is to be produced, the product from this step is subjected to ultrasonic waves (e.g. 800 kc/sec.) to disrupt the cells but the disruption step is omitted if a vaccine is to be produced.  In either case, the product is then placed in contact with a mixture of anionic and cationic air-exchange resins, e.g. "Amberlite" (Registered Trade Mark) IR-120 and IRA-410 for about three weeks and thereafter removed therefrom, e.g. by decantation. By the process of the invention, toxoids may be produced from organisms of the genus Brucella, e.g. Brucella abortus, melitensis and ruis, from streptococci, e.g. Streptococcus hemolyticus and from Escherichia coli.  Vaccines may be prepared from pneumococci, Pseudomonas aeruginosa, the tubercle bacillus, acne bacillus, poliomyelitis virus and an unnamed mycobacterium isolated consistently from animal and human cancer tissue.  It is stated that the modified vaccines and toxoids produced are unchanged in the specificity of their antigenic properties but that their anaphylactogenic properties are diminished and their capacity for promoting antibody formation in vivo are preserved and enhanced.  Specifications 577,707 and 679,850 are referred to.
Patent GB-142469-A (GB)
Title: Tool for turning emery wheels
IPC: B24B53/14
Filed: 1920-04-26
Abstract: 142,469. Lebert Ges., A. Jan. 8, 1916, [Convention date]. Diamond and like tools. - A tool for turning emery wheels comprises a cupshaped body k secured to a stem s which is rotatablv mounted in a tube r. In operation, the tool is pressed against the rotating emery wheel, the frictional contact therewith causing rotation of the body k. The body may be made of carborundum or similar abrasive material.
Patent GB-1119867-A (GB)
Title: Improvements in slot wedges for dynamo electric machines
IPC: H02K3/493
Filed: 1966-03-16
Abstract: 1,119,867. Slot wedges for dynamo-electric machines. LAURENCE SCOTT & ELECTROMOTORS Ltd., C. HOLROYD, and A. R. KNOX. 12 June, 1967 [16 March, 1966], No. 11550/66. Heading H2A. A slot wedge consists of a non-magnetic part 1 interfitting with a magnetic part 2 at 1b, 2b so that the composite wedge produces the effect of an unsymmetrical slot opening. The non- magnetic part may be of fibreglass, and the magnetic part of iron or other magnetic powder bonded with resin, or of laminations assembled on to a non-magnetic strip, as shown. The wedge may be interrupted at ventilation ducts leaving only the strip.
Patent GB-115647-A (GB)
IPC: E21D9/10
Abstract: 115,647. Bohn, I. May 10, 1918. Tunnelling by boring.- Apparatus for tunnelling without blasting comprises a series of drills 1 guided in a curved plate 2 and connected by ball and socket joints 3 to a disk 4 itself supported on a ball and socket joint 5 and oscillated thereon, to reciprocate the drills, by a forked rod 7 engaging a disk 9 which is rotated by a motor 11. All the above parts are carried in a drum 12 which is supported on rollers 13 on a truck 14 and is rotated by the motor through shafts 17, 19, gearbox 18, and gearing 15, 16. Propelling gear 21, 22, 23 for the machine is driven from the gearbox. A number of annular rows of drills may be arranged concentrically. The core or cores left by the drills are removed by chipping, &c. In a further form, the drills are arranged to enclose only a part of the tunnel breast, the axis of the motor and the axis of oscillation of the disk 4 being inclined. The motor may be arranged on the truck and to the rear of the drum.
Patent GB-1407583-A (GB)
Title: Encapsulating thermistors
IPC: H01C17/02
Filed: 1974-03-15
Abstract: 1407583 Encapsulating with glass STANDARD TELEPHONES & CABLES Ltd 15 March 1974 11593/74 Heading C1M [Also in Division H1] In a method of encapsulating a thermistor bead, the bead 12 is provided with leads 13 and is supported within a combustible mould 16, 17 which is then filled with a slurry 18 comprising a glass powder and binder. The slurry is dried and heat is applied to burn off the mould and form the glass into a solid mass around the bead. As shown, the leads 13 of platinum are joined to wires 15 of a Ni/Fe alloy by welding, the joint being covered by the slurry in the mould which may be a length 16 of plastics or paper tube, e.g. a drinking straw, closed by a plastics or paint film 17. The slurry binder is ammonium alginate which is mixed with water. The slurry is first dried at room temperature and then at 60‹ C. Heat treatment in an oven then continues at 400‹ C. to burn off the mould and then at 900‹ C. to harden the glass. The assembly is finally heated in an oven at 1300‹ C. when the glass coalesces to form an opaque solid body 19 around the bead and the welded joints 14. The thermistor is suitable for use at temperatures of about 1000‹ C.
Patent GB-260939-A (GB)
IPC: E02B3/02
Filed: 1926-05-03
Abstract: 260,939. Ziemsen, F. C. Nov. 9, 1925, [Convention date]. Scouring and scraping apparatus.-A movable weir for use in deepening ditches, brooks and rivers comprises hinged walls a, b connected at a variable angle by struts c engaging apertured angle irons d, toothed flaps e being connected to the bottom parts of the walls by hinges h and being adjusted by turnbuckles i; the walls a, b dam up the water which passes below the flaps e to scour the bed, while the whole device is moved along by the current. Flaps f are hinged to the walls and are shaped to engage the banks. A shackle g is engaged by a pole when the device is to be lifted or moved laterally. Adjustable slots may be provided in the walls. A saw k of arrow-head form may be dragged behind the device to cut the weeds &c.
Patent GB-1528341-A (GB)
Title: Bromine containing-fluoro-polymer
IPC: C08F214/16
Filed: 1976-03-23
Abstract: 1528341 Copolymers of bromotrifluoroethylene and 4 - bromo - 3,3,4,4,tetrafluorobutene - 1 E I DU PONT DE NEMOURS & CO 23 March 1976 [27 March 1975] 11658/76 Heading C3P A fluoropolymer includes copolymerized units derived from two components, viz. (a) up to 3 mole per cent of bromotrifluoroethylene or 4- bromo-3,3,4,4-tetrafluorobutene-1, wherein at least 0À05 wt.% Br is present in the copolymer and either (b) tetrafluoroethylene in various specified mixtures with C 1-5  perfluoroalkyl perfluorovinyl ethers, C 2-4  olefins and vinylidene fluoride, or (c) a fluorine-containing, brominefree C 2-7  olefin, wherein the F : C atomic ratio # 1, mixed with vinylidene fluoride, and optionally, C 1-5  perfluoroalkyl perfluorovinyl ethers. In the examples, continuous emulsion polymerizations of various mixtures of tetrafluoroethylene perfluoromethyl perfluorovinyl ether, bromotrifluoroethylene vinylidene fluoride, hexafluoropropylene and propylene are described.
Patent GB-369434-A (GB)
Title: Pump
IPC: F04B47/00
Filed: 1931-04-20
Abstract: 369,434. Deep-well pumps. GERKEN, H., 27, Moltkestrasse, Wandsbek, near Hamburg, Germany. April 20, 1931, No. 11709. [Class 102 (i).] In a deep-well pump a double-acting cylinder is employed and a number of cylinders may be arranged in series. Each cylinder comprises a barrel a and an outer casing b which are secured to valve casings l. Each valve casing comprises a suction valve g, with through passages g<1>, sliding on a tube carrying the discharge valve h. The piston-rod o passes through the tube which carries a guide, ring p, another guide ring being carried by the valve h. A spring r is arranged between the valve g and the ring p. The lower valve h discharges into the space c between the cylinders a, b, while the upper valve h discharges into a union m connecting the cylinder to an upper cylinder, or to the rising main d. The suction ports e and discharge ports f are arranged alternately in the valve casings. The lower end of the lowest cylinder is closed by a cap k. The piston-rod o carries the pistons i of all the cylinders and carries also perforated crossheads u sliding in the rising main.
Patent GB-913553-A (GB)
Title: Improvements in or relating to a silent cam follower for internal combustion engines
IPC: F01L1/245
Filed: 1959-04-07
Abstract: 913,553. Valve gear. WRIDE, D. C. April 7, 1959 [April 9, 1958; Aug. 21, 1958], No. 11750/59. Class 7(6) A hydraulic cam follower comprises an outer tubular member 2, Fig. 1, an inner member 4 contiguous with a spindle 5, guide means 8, 9, spring means 7, a flexible non-metallic seal 11, a piston 16 co-operating with a cylinder within or defining a closed spaced filled entirely with hydraulic fluid and valve means 17 on the piston. During tappet lift a slow leakage of oil passes upwardly through the clearance between piston 16 and cylinder 2 whilst ball valve 17 seats to prevent passage of oil therethrough. During valve closure, the inner member 4 is spring- forced outwardly to take up clearance in the valve-gear whilst ball valve 17 is unseated to permit rapid displacement of oil from above to below piston 16. In another embodiment the non-return valve is formed between mating faces 28, Fig. 3, of a two-part piston 25, 26. In a further embodiment the spindle 5, Fig. 5, terminates at its lower end in a cylinder 38 which contains a two-part piston 32, 33, the lower part 32 being secured to the outer tubular member.
Patent GB-261987-A (GB)
Title: Improvements in the construction of bogie trucks for railway and like vehicles
IPC: B61F3/08
Filed: 1926-05-04
Abstract: 261,987. Sheffield, G. H., and Twin berrow, J. D. May 4, 1926. Axle-trucks and bogies.-In bogie trucks of the kind comprising side frames each composed of upper and lower channel members a, b, the side frames are connected by a pair of cross transoms each formed as a girder with its web or major axis horizontal. Each cross transom comprises a main transom l and a supplementary transom o, each of channel section, united by a cover plate which, in a modification, may be omitted. The side frames may also be united by headstooks q preferably of the same section as the side members. The horn-block guides e may be of channel section similar to that of the side members to which they are united by horn plate g. Instead of the side frames being stayed by an inverted arch bar c, a plate connected to the top and bottom members of the side frames and extending the length thereof may be used. The outer hornblock guide may be a removable casting to permit the axle to be withdrawn horizontally. The main transoms l are each supported by a vertical channel bar k to which they are united by a vertical gusset plate n arranged transversely, the gusset plates n of the two transoms being tied across near their lower edges, and a cover plate m is applied externally to unite the channels k to the main horizontal members. The spring suspension employed may be similar to that described in Specification 258,941.
Patent GB-961237-A (GB)
Title: Improvements in or relating to a process of continually distilling tars
IPC: C10C1/04
Filed: 1962-03-28
Abstract: In the continuous distillation of tar the tar is passed into a first vaporization zone to vaporize and separate light materials boiling below 230 DEG C. and thence into a second vaporization zone to vaporize and separate vaporizable heavy materials boiling above 230 DEG  C. leaving pitch and the light and heavy vapours are fractionated in separate distillation columns from which the overhead from the heavy materials column is passed to the base of the light materials column and bottoms from the latter column is passed to the top of the heavy materials column.  The tar in line 1 is heated in heat exchanger 2 with vapours from distillation column 21 and then in exchanger <FORM:0961237/C4-C5/1> 5 with hot oils from the distillation columns and passed at about 120 DEG  C. into dehydration zone 7.  Temperature is maintained at 140 DEG  C. here by heating tar removed via line 11 by heat exchange in exchanger 14 with hot residues in line 34.  Vapours in line 8 are condensed and oil returned by line 10.  Tar is heated to about 250 DEG  C. in heating nest 17 before passing to first vaporization zone 19 (part may be returned by line 51 to supply extra heat if required). Zone 19 is maintained at about 300 DEG  C. by circulating tar through heating nest 29. Light fractions are passed as vapour by line 20 to distillation column 21.  Tar next passes through heating nest 24 to the second vaporization zone 26 maintained at about 350 DEG  C. by superheated steam injected through line 31. Vapours pass by line 32 to distillation column 33 and pitch is withdrawn by line 34. The two distillation columns are connected by passing liquid from the bottom of column 21 through line 37 to the top of column 22 and vapours from the latter pass by line 36 to the bottom of column 21.  Heat may be supplied to column 21 by returning liquid by line 39 to vaporization zone 19.  Anthracenic oil is recovered in line 40, benzol extracting oil in line 41, naphthalene in line 42, phenolic oil in line 43 and the benzolic fraction in line 3.
Patent GB-312310-A (GB)
IPC: C03C3/089
Filed: 1929-04-17
Abstract: 312,310. Corning Glass Works, (Assignees of Rising, W. H.). May 24, 1928, [Convention date]. Production of metal.-A heat-absorbing glass is made by melting, under reducing conditions, a batch containing silicon, boron, zinc or cadmium, or a mixture of both, and iron, an alkaline earth being added if desired. The glass is rendered heat-absorbing by ferrous oxide, which, owing to the presence of the zinc or cadmium, imparts to the glass a blue-green colour instead of the amber or brown colour which it usually gives to a borosilicate glass. Lime or other alkaline earth may be added with advantage provided that it does not exceed in amount the zinc or cadmium. The batch may also contain tin as its presence, where cadmium and not zinc is present, causes a more complete reduction of the iron than is otherwise possible. Carbon or a carbonaceous material, preferably sugar, is added to the batch as a reducing agent, but any other reducing agent which will not impart undesirable colour to the glass may be used. The proportions of a number of glasses are given in the description and Specification 312,311 is referred to.
Patent GB-1263134-A (GB)
Title: Photographic materials
Inventor: GILMAN PAUL BREWSTER
IPC: G03C1/498
Filed: 1969-03-06
Abstract: 1,263,134. Photographic materials. EASTMAN KODAK CO. March 6, 1969 [March 11, 1968], No.11946/69. Heading G2C. A sensitive photographic material comprises a support and contained in a layer or layers thereof: (a) a selective reducing agent for silver ions (reduction occurs after exposure and the latent image formed catalyzes this reduction) which is a hydrazone of the formula:- [Insert Formula I] wherein R 1  and R 3  each are H, optionally substituted alkyl having 1-6 carbons or aryl; R 2  is aryl, aralkyl, aralkenyl or a heterocyclic radical; and R 4  is optionally substituted alkyl having 1-6 carbons, aryl or a heterocyclic radical; and (b) (i) a heat-sensitive reducible silver salt; or (ii) a metal oxide capable of forming catalytic centres for physical development on exposure to actinic radiation; or (iii) a water-soluble lightsensitive, reducible silver salt. The reducible silver salts are those silver salts that can be reduced to metallic silver by exposure to heat or electromagnetic radiation. The heatsensitive reducible silver salt (i) may be a waterinsoluble heat-sensitive silver salt of a monocarboxylic or dicarboxylic acid containing 2-22 carbons and is preferably silver cinnamate, silver behenate or silver oxalate. The metal oxide (ii) is preferably aluminium or zinc oxide, titanium dioxide or antimony trioxide. The water-soluble silver salt (iii) is preferably silver nitrate, silver acetate or silver lactate. Many examples of the hydrazones are listed. The material containing (a) and (b)(i) may additionally contain a water-soluble, light-sensitive silver salt or a light-sensitive silver halide capable of forming catalytic centres for physical development on exposure to actinic light. A visible metallic silver image can be produced by overall treatment with either heat or light. The material containing (a) and (b)(ii) may additionally contain a reducible silver salt capable of providing a source of silver ions for physical development, which salt may be a heat-sensitive, water-insoluble silver saltof a monocarboxylic a dicarboxylic acid containing 2-22 carbons or a water-soluble silver salt. Print-out silver images may be obtained (see Examples 2, 4 and 6)
Patent GB-1133503-A (GB)
Title: Apparatus for the determination of the mean frequency of a phenomenon with poisson's distribution
IPC: G01R23/10
Filed: 1966-03-18
Abstract: 1,133,503. Selective signalling. SKODA, OBOROVY PODNIK. 18 March. 1966 [22 March, 1965], No. 11964/66. Heading G4H. A pulse train n(t) of unknown frequency # of phenomena with Poisson distribution is fed into a differential counter 1 together with a standard pulse train N(t) of known frequency # 0 , the value of the output signal of the counter being equal to the difference in the number of pulses received from the two trains, this output being tested in a circuit 2 and upon its value K(t) reaching a predetermined magnitude, a control signal indicating #># 0  or #<# 0  is issued by the circuit 2. This control signal may be fed into the generator 3 of the pulse train N(t) so as to continually adjust the value of # 0  until eventually its value corresponds to the mean value of the unknown frequency # which is then determined. After each appearance of the control signal, the counter 1 is reset.
Patent GB-1470441-A (GB)
Title: Arrangements including a charge coupled device
IPC: H01L29/10
Filed: 1974-03-18
Abstract: 1470441 Charge coupled devices PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 18 March 1974 [3 Dec 1973] 11973/74 Addition to 1470191 Heading H1K In operating a CCD as described in Specification 1470191 in which a layer of one conductivity type through which majority charge carrier packets are transferred is isolated from the surroundings in operation, has a doping and thickness such that it can be depleted throughout its thickness by an electric field without breakdown occurring, and comprises one or more surface adjacent regions beneath the transfer electrode system of higher doping than the rest of the layer, charge transfer efficiency is improved by adding a constant background quantity of majority carriers to each charge packet representing information to be transferred before the charge packets are transferred to the readout location. The background charge may constitute 10-50% of the maximum charge capable of being held at each storage site. Particularly when the device is used as an image sensor the background carriers may be provided by uniformly illuminating by an auxiliary radiation source prior to, during and/ of after the light integrating period. Pressure or heat may alternatively be used to generate the signal and/or background carriers. In all cases the background carriers may be introduced (as in Fig. 3) via a heavily doped input diffusion 102 within the N+ region of the layer 2 in which charge transfer occurs by impressing oppositely phased clock voltages on adjacent pairs of electrodes, the electrodes in each pair being relatively biased as shown to provide the asymmetrical potential wells needed to ensure unidirectional charge transfer. In operation the entire layer is initially depleted by suitably biasing the P type substrate 20. A shown the adjustable voltage source 111 supplies background charge, on which input signal source 110 superimposes charge representing information and this is gated to the first transfer electrode 4 by signals applied to gating electrode by a separate pulse source 115 or by clock line 24. In alternative forms in which a constant or pulsating voltage is applied to electrode 101, the input and background voltage signals are applied to the input gate 112, to the second of two serially arranged input gates to the first of  which clock voltage is supplied, or to first and second gates respectively. All the embodiments of the aforementioned UK application may be modified for operation in the manner described above.
Patent GB-1405062-A (GB)
Title: Read suspension system for a motor vehicle
IPC: F16F3/10
Filed: 1973-03-13
Abstract: 1405062 Beam axle suspensions FORD MOTOR CO Ltd 13 March 1973 [24 March 1972] 12035/73 Heading B7D In a motor vehicle rear suspension, a rigid rear axle is connected to the chassis frame of the vehicle by left and right suspension arms 18, 20 each connected by rubber bushings to the frame at forward portions 28, 46 and to the axle at respective rearward portions 36, 38, and 50, 54 which are vertically, laterally and longitudinally spaced apart.
Patent GB-1456976-A (GB)
Title: Fuel control system for a gas turbine engine reheat system
IPC: F02K3/10
Filed: 1973-03-13
Abstract: 1456976 Centrifugal pumps: gas turbine jet engines re-heat control LUCAS INDUSTRIES Ltd 21 Feb 1974 [19 March 1973] 12043/73 Headings F1C and F1J [Also in Division C3] A control system for each of a plurality of valves controlling the supply of fuel to an associated burner in the re-heat stage of a gas turbine engine is controlled by an electronic control circuit which operates the valve actuators in accordance with a required schedule. Each valve is associated with a position transducer and a differential pressure transducer so that the flow through the valve can be computed. In the arrangement shown the fuel valves 13, 14, 15 are operated by stepper motors 28, 29, 30 under the control of signals from digital control circuit 37 which accepts inputs A-F from the respective valve position and pressure transducers. Additionally a demand input 39 is provided together with various pressure and temperature signal from areas within engine 38. The output flow of the fuel supply pump 10 is controlled by valve 46 in accordance with the inlet and outlet pressures across the valves, with the latter taken through non-return valves 47 from the individual burner supply conduits 40, 41, 42 so that flow is increased when the valve output pressure rises. In a modification a pressure drop valve is connected between the pump outlet and one end of valve 46, Fig. 2 (not shown).
Patent GB-958839-A (GB)
Title: Improvements in or relating to electrodes for fuel cells and methods of making such electrodes
IPC: H01M8/02
Filed: 1961-04-04
Abstract: 958,839. Fuel cells. LEESONA CORPORATION. April 4, 1961 [April 13, 1960], No. 12059/61. Heading H1B. In a fuel cell, one of the electrodes at least, has a peripheral coating of non-conducting green nickel oxide which, when the electrodes of the cell are assembled, acts as a gasket and an insulator. One electrode 10 has a raised periphery 12 coated with non - conducting green nickel oxide and the other electrode 11 may be flat and have a similar peripheral coating 15, or may have no such coating, or may be identical in construction with electrode 10. The pocket formed between assembled electrodes is filled with electrolyte, e.g. potassium hydroxide. Specification 725,661 is referred to.