baber/WOPTO huggingface dataset:
Patent GB-992755-A (GB)
Title: Process for the electrolytic production of uranium dioxide crystals
IPC: C25B1/00
Filed: 1962-08-03
Abstract: UO2Cl2 is produced from UO3 by reacting the UO3 with HCl gas at 500-600 DEG  C. in a bath of a molten salt mixture prior to electrolyzing it in the same bath to form UO2 (see Division C7).  A prior process is disclosed wherein UO2Cl2 is produced from UO3 by chlorination, e.g. at 800 DEG  C.ALSO:Crystals of UO2 are electrolytically produced by first converting UO3 by means of HCl gas into UO2Cl2 in a bath of a molten salt mixture at 500-600  DEG C., preferably passing through oxygen, then electrolysing the product in the same bath at 500-600  DEG C.  The electrolysis may be suitably carried out in a glass vessel, fitted with graphite electrodes, under an inert atmosphere or with a slow stream of HCl gas introduced, using voltages of 0.1-4 volts and current densities of 0.1-50 amps./sq.dm. Examples of a salt mixture are LiCl-KCl eutectic (M.P. 352  DEG C.) and NaCl-KCl-MgCl2 eutectic (M.P. 396  DEG C.). After electrolysis, the electrode with the UO2 attached thereto is freed from depending salt mixture by immersing and washing in a 0.5% tartaric acid solution.  A prior process is disclosed, e.g. using a quartz or ceramic vessel, wherein the UO2Cl2 is produced from the UO3 by chlorination, e.g. at 800  DEG C. and the electrolysis is effected e.g. at 725  DEG C.
Patent GB-764618-A (GB)
Title: Improvements in fuel injection pumps for internal combustion engines
IPC: F02M59/00
Filed: 1954-10-19
Abstract: 764,618. Starting direct-injection engines. BOSCH GES., R. Oct 19, 1954 [Nov. 17, 1953]. No. 30019/54. Class 7 (3). [Also in Group XXVIII] In a fuel injection pump having a spring- loaded accumulator piston 10 which, during the delivery stroke of the plunger 5, is forced upwards and displaces fuel from a space 42 through an aperture 40 into a fuel supply chamber 25, the aperture 40 is closed at starting speeds by a spring-loaded valve member 46 to prevent the accumulator piston rising, whereby the pump delivers at starting a quantity of fuel exceeding the normal full load supply. Fuel is supplied by a supply pump 26 to the chamber 25 which is connected to the pump inlet port 8 and, through a non-return valve 22, to the space 42 above the accumulator piston 10. At normal running the pressure in the space 25 is sufficient to force the member 46 down against its loading spring 31 to uncover the escape port 40 leading to space 42 and the pump spill port 9 which is connected to the fuel tank 44. The pump 26 supplies excess fuel to the chamber 25, the excess escaping through a bore 34 in the valve 46 which, when the valve is in its normal running position, is connected directly to an escape port 45 by a port 37. During starting the pressure in chamber 25 is insufficient to depress the valve 46 which rises to the position shown, blocking the ports 40, 9, whereby a full charge of fuel exceeding the full-load charge is delivered on each pump stroke. In the raised position of the valve 46, the excess fuel escape bore 34 in the valve is connected to the escape port 45 by a port 36 to which the fuel flows through a restricted orifice 35 in the bore 34. When the engine speed rises after starting, the increased supply from the pump 26 to the space 25 produces, due to the orifice 35, a rise in pressure in the space 25 which forces the valve down to its normal running position.
Patent GB-1083350-A (GB)
Title: Air brake system with hydraulic operation
IPC: B60T13/58
Filed: 1965-07-15
Abstract: 1,083,350. Fluid pressure brakes; valves. AUTOBRZDY JABLONEC, NARODNI PODNIK. July 15, 1965 [July 17, 1964], No. 30050/65. Headings F2F and F2V. In an air - pressure braking system with hydraulic control for motor vehicles, operating valves OV1 and OV2 control the supply of compressed air to the front wheel brake cylinders BVP and the rear wheel brake cylinders BVZ respectively and the brake pressure is regulated in dependence upon the pressure on the brake pedal transmitted from a master cylinder HV by the liquid into the operating valves OV1 and OV2 of each of the independent air pressure circuits, a common equalizing chamber VK being inserted in the hydraulic operating circuit a piston of which is exposed from one side to the hydraulic pres  sure in the hydraulic operating circuit and from the other side to the pressure of a spring located in a spring- chamber connected to atmosphere. As shown in Fig. 1, the front wheeloperating valve OV1 is supplied with compressed air from an air reservoir V1 and the rear wheel operating valve OV2 together with a brake valve BP for a trailer vehicle are supplied from reservoirs V2 and V3. The reservoirs are charged by a compressor K through a condensate separator and tyre-inflating device P, an anti-freeze pump PP, a check valve ZV and a pressure equalizer VT1. Fig. 10 shows a diagrammatic view of an operating valve wherein liquid from the master cylinder HV is supplied through an inlet 101 and acts on a piston 112 to urge a valve 107 against the seat 113 of the piston 115 to urge the piston against a spring 116 and open a valve 108 to allow compressed air to flow from the inlet 103 to the outlet 104 leading to the brake cylinders. On release of the hydraulic fluid, air in the brake cylinders escapes through the hollow piston 115 to an exhaust 106 and the valves resume their position shown in Fig. 10. The construction of the trailer brake valve BP is similar and in an alternative embodiment, Fig. 3 (not shown), the trailer brake valve BP is replaced by a further operating valve OV3. In this alternative embodiment the single master cylinder HV is replaced by two independent master cylinders HV1 and HV2 which supply liquid through an equalizing cylinder VV to the equalizing chamber VK and to the brake valves OV1, OV2, OV3. The equalizing chamber VK may be provided with alternative spring arrangements to give varying operating characteristics.
Patent GB-483508-A (GB)
Title: Improvements in or applicable to spring seating surfaces, squabs, mattresses and thelike
IPC: A47C27/07
Filed: 1936-11-05
Abstract: 483,508. Spring upholstery. MARSHALL, J. E. L. Nov. 5, 1936, No. 30094. [Class 52 (iv)] In an upholstery spring assembly main springs A alternate with shorter springs B interengaged therewith and coupled thereto on coils intermediate the ends of the main springs. The ends A<1> of the main springs are preferably connected to the adjacent springs.
Patent GB-1274034-A (GB)
Title: NOVEL 1-OXA-5-HYDROXY-9alpha-HALO-17beta-ACYLOXY-A-NOR-10alpha-ESTRAN-2-ONES, SULPHONATES THEREOF, AND PROCESSES FOR THEIR PREPARATION
IPC: B05B1/14
Filed: 1969-07-09
Abstract: 1,274,034. 1-Oxa-A-norestranes; de-4-estranes., ROUSSEL-UCLAF. 9 July, 1969 [9 July, 1968], No. 30116/71. Divided out of 1,274,031; Heading C2C. Novel compounds of formula (wherein R<SP>3</SP> is H, mesyl or tosyl, X is Cl or Br and Ac is C 1-18  carboxylic acyl) are prepared from compounds of formula (wherein R<SP>2</SP> is alkyl) by reaction with HCl or HBr, followed, when required, by mesylation or tosylation. 5# - Hydroxy - 5# - ethoxycarbonylmethyl - 9#, 10# - epoxy - 17# - acetoxy - de - A - estrane (XI) is prepared from 17#-hydroxy-de-A-estr-9-en-5- one (X) by the sequence X #9#,10#-epoxy-17#- hydroxy-de-A-estran-5-one #9#,10#-epoxy-17#- acetoxy-de-A-estan-5-one #XI.
Patent GB-1509715-A (GB)
Title: Phthalocyanine pigment mixtures
IPC: C09B67/20
Filed: 1975-07-18
Abstract: 1509715 Phthalocyanine pigment mixtures PRODUITS CHIMIQUES UGINE KUHLMANN 18 July 1975 [19 July 1974] 30180/75 Heading C4P Pigment compositions contain copper phthalocyanine and at least one compound of formula where Pc is a phthalocyanine radical; X is -O-, -S-, or -NH-; R 1  is hal, alkoxy, trifluoromethyl, trifluoromethoxy, cyano, carboxy, nitro, N- alkylamino or N,N-dialkylamino; R 2  is H, alkyl or alkoxy; R 3  is H or alkyl and n = 1-8. The copper phthalocyanine, which may be in the alpha, beta, gamma, delta or epsilon form, is stabilized by incorporating a compound of Formula (I) above by (a) mixing in aqueous or organic solvent suspension, filtering and drying or (b) grinding together in the presence of a water soluble salt, dissolving out the salt, filtering and drying or (c) treating the ground copper phthalocyanine and the compound of Formula (I) with a recrystallizing organic solvent. The composition preferably contains 1-20% of compound (I). The compositions are used to colour organic solvent based printing inks, paints, lacquers, plastics materials, or artificial or synthetic fibres.
Patent GB-601429-A (GB)
Title: Improvements in or relating to smokers' ash trays
IPC: A24F19/00
Filed: 1946-10-30
Abstract: 601,429. Ash-trays. ZELL, M. Oct. 30, 1946, No. 30258/45. [Class 130] A smokers' ash-tray 10 is surrounded by a shallow trap 13 and supported on a rim 13b so that the tray 10 and the trap 13 are above the surface on which it rests. The trap 13 is formed by a wall having grooves 11 for cigarettes or cigars and an edge 13d which is narrow or serrated to discourage laying a lighted cigarette thereon. The tray may be circular, rectangular or polygonal and be made of metal, glass or plastic material.
Patent GB-921545-A (GB)
Title: Improvements in or relating to tufting machinery
Inventor: WISLA FRANCISZEK
IPC: D05C15/32
Filed: 1960-09-02
Abstract: 921,545. Tufting-machines. BURY FELT MANUFACTURING CO. Ltd. April 5, 1961 [Sept. 2, 1960], No. 30268/60. Class 112. In a tufting-machine the height of the loops or tufts is controlled by passing the yarn warp between a pair of rollers constituting gripping means, and then varying the tension in the yarns, to stretch the latter selectively, between the rollers and the needles. In Fig. 1, yarns 22 pass on their way to the needles 12 successively between feed rollers 11 and through fixed guides 23 and 24. Certain of the yarns 22a are engaged, between the rollers 11 and the guides 23, by a bar 17 carried on an arm 13a<SP>1</SP> of a two-armed lever pivoted at 14, the other arm 13a<SP>11</SP> being adjustably coupled to one end of a link 18e connected at its other end to a rotary crank pin. The yarns 22a are thereby stretched, and the tuft loops formed therefrom contract after release. In Fig. 3b a bar 17<SP>1</SP> is adapted to engage yarns 22a and 22b alternately.
Patent GB-1498699-A (GB)
Title: Apparatus for braking a rotating machine
IPC: E21B47/18
Filed: 1975-07-21
Abstract: 1498699 Torque responsive brakes TELECO Inc 21 July 1975 [24 July 1974] 30439/75 Heading F2E A torque limiting device comprises driving and driven shafts 1 and 4 respectively, plates 2, 3 on the ends of the shaft, rolling elements 5 located between the plates in grooves of progressively increasing depth and width, the grooves extending in opposite circumferential senses in the two plates, a spring 8 rotatable with the driven shaft urging the plates together and a disc brake 12, 13 for the driven shaft operable when an increase in driven shaft torque causes relative angular movement between the shafts which is converted by elements 5 into axial movement of the driven shaft. Elements 5 may comprise balls or truncated cores. The device may be turbine driven and arranged to drive a hydraulic pump (Fig. 4, not shown) which supplies oil to a device for restricting the flow of drilling mud so as to measure an unspecified well-drilling parameter. At the termination of the measuring period, the pump outlet is throttled and the resulting backpressure increases the driving shaft torque of the torque limiting device and the brake operates as described above.
Patent GB-1154723-A (GB)
Title: Improvements in Pump Chambers of Diaphragm Pumps
Inventor: PORTER THOMAS
IPC: F04B43/06
Filed: 1965-07-17
Abstract: 1,154,723. Diaphragm pumps. PORTERLANCASTRIAN Ltd. Aug.17, 1966 [July 17, 1965], No.30469/65. Heading F1A. A diaphragm pump, e.g. for dispensing beer, has a diaphragm 20, e.g. of neoprene, clamped between upper and lower chamber walls 2, 4 which are convex relative to the diaphragm at their peripheries and concave relative to the diaphragm at their centres, beer under pressure being supplied above the diaphragm and being discharged through port 18 by gas under pressure supplied beneath the diaphragm. The diaphragm has a bead 22 received in corresponding grooves in the chamber walls. The chamber wall shape prevents trapping of air or beer and provides a self-cleaning action by the diaphragm.
Patent GB-1197353-A (GB)
Title: Production of Molybdenum Catalysts
IPC: B01J31/04
Filed: 1968-06-26
Abstract: 1,197,353. Molybdenum epoxidation catalysts. ATLANTIC RICHFIELD CO. 26 June, 1968 [25 Oct., 1967], No. 30598/68. Heading C2C. A molybdenum catalyst soluble in organic liquid and used in the epoxidation of olefinic compounds with organic hydroperoxides is prepared by reacting, by heating, MoO 3  with at least one of a C 4-22  monohydric primary saturated acyclic alcohol, or a mono- or polyalkylene glycol monoalkyl ether in which the alkylene radical is C 2-4  and the alkyl radical is C 1-6 , the MoO 3  reacted comprising 0À01 to 5 weight per cent of the alcohol and/or ether. A proportion of secondary alcohol may be present. Examples prepare 1,2-epoxyoctane from octene-1 using catalysts prepared from MoO 3  and octanol-1/octanol-2 mixture, octanol- 1, diethyleneglycol monomethyl ether, ethylene glycol monomethyl ether and n-butanol while comparative examples use (MO(CO) 6 , MoO 3 , and catalyst from MoO 3  and ethanol and from MoS 2  and octanol-1.
Patent GB-280603-A (GB)
Title: Improvements in machine guns with recoiling barrel
IPC: F41A7/02
Filed: 1927-11-15
Abstract: 280,603. S.A.F.A.T. Soc. Anon. Fabbrica Armi-Torino. Nov. 15, 1926, [Convention date]. Machine guns. - Relates to recoiling barrel guns in which the breech-bolt 12 is locked by a block 16 pivoted to the fixed casing 1 and actuated by a spring-controlled rod 26. According to the invention, (1) the spring of the rod 26 abuts against a hemispherical washer 26<11> housed in a stop 14 which limits the recoil of the barrel-extension 11, and (2) a slide 25, operated by a handle 30, is provided to open the breech by hand. The Specification as open to inspection under Sect. 91 (3) (a) also describes (1) firing mechanism forming the subject-matter of Specification 288,615; (2) disassembling means in which the barrel 3, barrel-extension 11, breech-bolt 12, firing pin 22, and recoil spring 19 are removable from the rear after releasing a plug 18, which is retained by a cotter 17 and carries the breech-bolt buffer 20; (3) an upper hinged cover 6 to permit removal of the locking-block and hand firing gear 24; and (4) a barrel connected with the barrel extension by a bayonet lock secured by a spring detent 37. This subject-matter does not appear in the Specification as accepted.
Patent GB-315163-A (GB)
Title: Improvements in, and relating to, womb supports
IPC: A61F6/08
Filed: 1928-10-24
Abstract: 315,163. Fisher, G. H., and McAllen, T. Oct. 24, 1928. Trusses.-An external truss for treating prolapse of the uterus and preventing protrusion thereof consists of a rigid curved frame or cradle having a longtiudinal slot into which the lips of the vagina enter. The truss may be made of reinforced rubber, or a frame of aluminium or other wire may be sheathed in rubber. The rubber sheathing may be on the side members B only, or it may totally enclose the frame. Loops A are provided to receive buckle straps attached to the corset or body belt. Urination may be effected without removal of the truss. Specification 24523/05 is referred to.
Patent GB-647582-A (GB)
Title: Hydrophilic sheet materials impregnated with a combined plasticised and fire-retardant and method of producing the same
IPC: C08L1/08
Filed: 1946-10-16
Abstract: Hydrophilic sheet materials such as bands, films, or pellicles of regenerated cellulose, water-swellable cellulose ethers or esters, gelatine, casein, or water-swellable synthetic resins such as polyvinyl alcohol or hydrolysed polyvinyl acetate, are plasticized and also rendered fire resistant by impregnating them with a solution of guanidine thiocyanate.  The solution may be aqueous or organic provided that it wets the material.  In an example, a sheet or film of regenerated cellulose in the gel state is drawn through an aqueous bath containing a mixture of ammonium thiocyanate and guanidine carbonate (guanidine thiocyanate being formed by interaction), and is then squeezed and dried so that the dry film contains 17 per cent of guanidine thiocyanate.  The sheet ignites when a match is applied but the flame is quickly extinguished when the match is removed.  In other examples, sheets of an alkali-soluble water-insoluble cellulose ether and sheets of casein are treated with aqueous solutions of guanidine thiocyanate.  The impregnating solution may contain additional softening agents, fire retardants, and hygroscopic salts or liquids, e.g. calcium chloride, lithium acetate, citrate, salicylate, or acetyl salicylate; potassium acetate, lactate, or propionate; sodium lactate, glycerine, urea malate, amylamine formate, propylamine acetate, ethylene glycol, diethylene glycol, sorbitol, mono-triethanolamine malate, mono-or tri-ethanolamine hydrogen phosphate, amino propane-2,3-diol hydrogen phosphate, formamide, alkyl guanidine phosphates, and alkylolamine guanidine phosphates.  The guanidine thiocyanate may be obtained by heating ammonium thiocyanate at 180-190 DEG  C. for 20-25 hours. The yield may be increased by adding thiourea to the reaction mass.  Ammonia may be passed through the molten mass during heating.  The salt may also be obtained by treating guanidine with thiocyanic acid, or by mixing solutions of ammonium thiocyanate and guanidine carbonate. After the hydrophilic material has been impregnated with such a solution, a reaction takes place as the material passes over the heated drying rolls, ammonia and carbon dioxide being removed by volatilization.  Specifications 569,040 and 569,383 are referred to.
Patent GB-177829-A (GB)
Title: An automatic concrete block and slab-making machine
IPC: B28B1/04
Filed: 1920-11-01
Abstract: 177,829. Whatling, J. L., and Wrigley, S. Nov. 1, 1920. Reciprocating-mould-table machines; tamping- machines; feeding; delivery; moulds.-An automatic concrete block or slab machine comprises a carriage A supporting a trunnioned mould B which carriage is traversed along guides by chains C<3> or by screw or rack gearing and controls the various parts of the machine. The carriage first moves to the left beneath a hopper D, Fig. 2, from which a charge of material is delivered to the mould, and continuing its movement operates a belt-stripper to reverse the drive of the chains. On reversal, the carriage first releases a stamp E which is then operated through cams G and levers H to tamp the material; next, the mould receives a second charge of material from the hopper D and passes beneath a second stamp EE; a roller K then engages and rocks a lever J on the carriage to remove packing-blocks L from beneath the mould; after which the mould is reversed by the engagement of a spur wheel M with a fixed rack N to deliver the moulded block &c. on to a balanced receiving- table T; finally, the drive of the chains C<3> is again reversed, and during the return movement of the carriage the mould is restored and the packing-blocks re-inserted. Material is fed to the hopper D from a gauge-box fitted with a counterweighted hinged bottom held by a catch adapted to be tripped by the carriage. The stamps E, EE are normally held up by catches which are released by a rod F<4> and lever F<3> operated by a projection on the carriage. A trolly R supports the mould on reversal, the block &c. being delivered on a pallet previously placed over the mould. The mould comprises two L-shaped members S, Fig. 6, movable diagonally upon guides Ta, which are operated by cam-plates P, P<1>, Fig. 5, acting through a bar Q, pivoted plate B', and slides B<2>. The cam-plates are turned aside, to permit reversal of the mould, by pivoted members 0, Fig. 2, moved by the carriage.
Patent GB-341089-A (GB)
Title: Improvements in or relating to shoe horns
IPC: A47G25/82
Filed: 1929-10-10
Abstract: 341,089. Shoehorns ; button-hooks. HARPER, E. E., 41, Ravensdale Mansions, Crouch End, London, and ELLER, H. J., Shadwell, Speldhurst, Kent. Oct. 10, 1929, No. 30809. [Classes 17 (iii) and 43.] A shoe horn 1 is made of soft flexible material, such as leather or fabric, and is provided with a handle or loop 2 which may be integral with the horn 1, or made of comparatively rigid material, such as metal, bone, ivory &c. The handle may comprise, or be formed as an article of utility, e.g. as shown, as a key-ring 2, or as a button hook.
Patent GB-1080275-A (GB)
Title: Strengthened glass article and method
IPC: C03C3/076
Filed: 1965-07-20
Abstract: The melting characteristics and resistance to devitrification of the Li2O-Al2O3-SiO2 o Li2O-ZrO2-SiO2 glass articles of the parent Specification are improved by the addition to the glass composition as a secondary flux, the oxide of the ion which is subsequently to be introduced into the glass by ion exchange such that the total moles of alkali metal oxide in the glass does not exceed the total moles of Al2O3 or ZrO2. Examples are given.  Sodium is the preferred substituting oxide.  Reference has been directed by the Comptroller to Specifications 966,732 and 966,733.
Patent GB-896154-A (GB)
Title: Arrangement in single-rail railways and vehicles appropriate thereto
IPC: E01B25/10
Filed: 1958-09-26
Abstract: 896,154. Single rail vehicles. NYMAN, B. C. G. Sept. 26, 1958 [Oct. 3, 1957], No. 30876/58. Class 103(4). [Also in Group XXX] A vehicle has wheels 4 straddling the web 2 of ar inverted T - shapes beam 1 and two pairs of guide wheels 7 and 8 contacting vertical surfaces of the web and base Instead of the wheels 7 the beam may have a guide rail or rails on one or both tracks 3. The wheels and motors are housed in the lower part of the vehicle.
Patent GB-639880-A (GB)
Title: Improvements in dobbies for weaving looms
IPC: D03C1/02
Filed: 1947-11-21
Abstract: 639,880. Loom dobbies. FELTON, W., and CRABTREE & SON, D., Ltd. Nov. 21, 1947, No. 30879. [Class 142 (i)] A centre shed dobby has jacks 29 moved by bars 28 which are actuated, in accordance with a pattern chain, by knives 3, 4 reciprocating towards and away from each other. The pattern chain 46 rocks an angle lever 48 which moves a cam bar 40 to depress a finger 44 on an oscillatable catch 33 and swing a tooth 37 into a position where it will be engaged by the knife 4 when the knife moves outwards. The bar 40 returns to its initial position under the action of a spring 49 and the catch 33 turns by gravity or by spring action, to bring a tooth 36 into engagement with the knife 3. The knives are moved by levers having intermeshing toothed quadrants. One of these levers is operated from a positive cam on the main shaft. The ends of the knives carry slide blocks which slide in slots in the sides of the loom. The patterning barrel 47 is driven by a chain from the main shaft through a clutch and Geneva gearing. The jack lever may be made inoperative by moving a bar 25 until notches 51 therein engage members 23, 24 so that the catch 33 and finger 44 are in a lowered position and out of contact with the knives and cam bar respectively. To lock the jack 29 in its inoperative position an upstanding part 53 engages a slot 52.