baber/WOPTO huggingface dataset:
Patent GB-438499-A (GB)
Title: Improvements in and relating to the regulation of electric rectifiers
IPC: H02M7/06
Filed: 1934-02-12
Abstract: 438,499. Converting. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London.-(Assignees of Allgemeine Elektricitats - Ges. ; 2, Friedrich Karl - Ufer, Berlin) Feb. 12, 1934, No. 4605. Void [Abridged as open to inspection under Sect. 91 of the Acts, Aug. 11, 1934]. [Class 38 (ii)] The description does not admit of satisfactory abridgment. The invention appears to comprise the combination in a rectifier installation of a bucking and boosting transformer with the normal interphase transformer. As shown the secondary windings a, b, c, d, e, f, of the main transformer are connected to an interphase transformer h, i, k having an additional star connected winding m, n, o which by switches p, q, v may be connected to tappings on the windings a, c, e or d, f, b to give bucking or boosting and also may be short circuited. In addition the interphase transformer has a fourth limb to allow third harmonics to develop. Other modifications involving different arrangements of the interphase transformer windings are described.
Patent GB-659324-A (GB)
Title: Improvement in methods for drying a thick coagulum having a rubber latex base
IPC: B29B13/06
Filed: 1949-02-21
Abstract: 659,324. Moulding rubber. BABLON, A. J. G. Feb. 21, 1949, No. 4631. Convention date, Feb. 21, 1948. [Class 87 (ii)] [Also in Groups XI and XIII] An automobile tyre made of a coagulum having a rubber latex base, is dried after moulding. The coagulum 11 moulded to shape is removed from the mould and placed between two cooled shells 10, wire clamps 13 and a steam bag 12. The expansion of the latter bag under steam pressure compresses the coagulum as it contracts during the drying. Water is removed to the exterior by absorbent cushions 14, 15.
Patent GB-981582-A (GB)
Title: Improvements in or relating to mowers
IPC: A01D34/71
Filed: 1963-02-05
Abstract: 981,582. Grass cutters. F. L. DE JONGHE, and J. M. R. DE JONGHE. Feb. 5, 1963 [Feb. 5, 1962; July 11, 1962], No. 4642/63. Heading A1F. A grass cutter comprises a casing 1 having a strip 2 fixed to it to form a cylindrical chamber within which cutting blades 3 are rotated by a motor. The blades 3 are arranged to rotate close to the walls of the chamber and it is stated that this prevents clogging. An outlet 4 is disposed at the side of the chamber but this outlet may be closed by a strip 9 which then directs the cuttings to a rearwardly extending outlet 10 which increases in cross-section. A hinged flap either closes this outlet or supports a grass box adjacent the outlet:
Patent GB-333897-A (GB)
Title: Improvements in or relating to dental impression or casting devices
IPC: A61C9/00
Filed: 1929-02-12
Abstract: 333,897. Zitka, W. Dec. 10, 1928, [Convention date]. Void [Published under Sect. 91 of the Acts]. Teeth, artificial.-An appliance of taking the bite in dentistry comprises two spoons 1 pivotally mounted at the free ends of arms 3, 4 attached to a handle 7. The arms 3, 4 are connected by an adjustable pivot joint 8 so that they may be set at the required distance apart. The spoons 1 are provided with upper and lower marginal flanges 5, 6 to retain gypsum paste. In edentulous cases a piece of wax 10, Fig. 3, may be placed in one spoon to maintain the jaws at the desired distance apart. The appliance permits observation of the jaws during the process of bite-taking.
Patent GB-537248-A (GB)
Title: Improvements in and relating to electrical connectors
IPC: H01R4/32
Filed: 1940-03-13
Abstract: 537,248. Couplings. MACLEAN, J. S. March 13, 1940, No. 4719. [Class 38 (i)] A connector for tapping a supply line comprises a slotted screw member 1 with a clamping plate 10 sliding in the slot 4 under the action of a nut 18, and a lateral opening 8 that can be uncovered by unscrewing the nut so that the line wire L can be introduced into the slot 4. The plate 10 is of T-shape and is swivelly connected to the nut 18 by a ferrule 22 that co-operates with a ring 15 laid in grooves 13 in the head 11 of the T and is flanged inwardly at 25 to engage an annular groove in the nut. The slot 4 is partially closed at the bottom by side pieces 6 leaving a hole large enough to allow the stem 12 of the T to pass but to retain the head, so that the plate 10 and nut 18 are captive. In the form shown the branch line W is clamped against the supply line L, but in a modification a terminal stem may be attached to the nut 18 which is then closed at the bottom, and a clamping nut works on the stem. The slotted member 1 may be made of a zinc alloy to cooperate with a galvanized line, and the terminal stem for a branch line of copper may be made of bronze, brass, &c.
Patent GB-905514-A (GB)
Title: Improvements in washing machines with power driven pumps
Inventor: LUDWIG MARTIN
IPC: D06F33/38
Filed: 1961-02-09
Abstract: 905,514. Washing-machines. LICENTIA PATENT-VERWALTUNGS-G.m.b.H. Feb. 9, 1961, No. 4904/61. Class 138 (2). A pump 6 governed by a switch 9 intermittently dis - charges liquid from a container 2 (enclosing a washing drum 3), whilst rinsing water is being continuously supplied to the liquid container, whereby the water level varies between O and U, the switch 9 being responsive to the water level by means of a device such as a diaphragm. The switch can be included in a programme-control system and is made inoperative when the pump is used to empty the liquid container 2. The supply voltage may be maintained at the pump and switch when the machine is not in use, to prevent flooding due to a leaking water inlet valve.
Patent GB-821077-A (GB)
Title: New pharmaceutical compositions
Inventor: FARRINGTON JOHN ALAN
IPC: A61K31/00
Filed: 1957-02-13
Abstract: Pharmaceutical compositions for the treatment of hypertension comprise as active ingredient or ingredients 9-aminodecalin derivatives of formula <FORM:0821077/VI/1> wherein R1 is an hydrogen atom or an alkyl, alkenyl or aralkyl radical and R2 is an hydrogen atom or an alkyl radical, and/or the non-toxic, pharmaceutically-acceptable acid addition salts thereof together with non-toxic pharmaceutical excipients.  Specified derivatives are 9-methylamino-, 9-ethylamino-, 9-allylamino-, 9-dimethylamino- and 9-N-methyl-N-ethyl aminodecalin and 9-benzylaminodecalin. Suitable salts are those of common inorganic acids, e.g. hydrochloric acid, common organic acids, e.g. acetic, cinnamic, salicylic acids, hydroxy and polyhydroxy acids, acids bearing lipophilic residues, e.g. oleic and stearic acids.  The composition may take the form of sterile aqueous solutions, suspensions or emulsions or sterile non-aqueous solutions or suspensions which may contain from 0.05 to 20% by weight of the active ingredient.  Suitable vehicles for the non-aqueous solutions and suspensions are propylene glycol, polyethylene glycol, vegetable oils, e.g. arachis, olive and peanut oil and oil-like injectable organic esters, e.g. dibutyl succinate. Sterilization may be accomplished by aseptic formulation, Seitz filtration, irradiation, incorporation in the composition of sterilizing agents, or heat treatment.  The composition may take the form of sterile powders suitable for admixture with sterile aqueous media to provide sterile aqueous solutions, suspensions or emulsions suitable for parenteral administration and also tablets, pills, dispersible powders and granules, e.g. soft or hard gelatine capsules.  When in tablet form, the active ingredient which may be absorbed on an ion-exchange resin may be present in amount from 5 to 50 parts by weight to 100 parts by weight of the composition.  The composition may also take the form of a semi-solid or liquid formulation, e.g. emulsions, suspensions, syrups, or elixirs, a form suitable for admixture with foodstuffs, or may be formulated with feedstuffs. Other known therapeutic agents may also be present in the compositions for oral use, e.g. reserpine, extracts of Rauwolfia, Serpentina, meprobamate or aspirin.  Other materials which may be present are calcium carbonate, maize starch, magnesium and aluminium stearate, cellulose acetate phthalate, cellulose diethyl phthalate, sodium carboxymethyl cellulose, chlorocresol, sorbitan mono-oleate, polyoxyethylene sorbitan mono - oleate, nor - dihydroguariaretic acid, methyl and propyl-p-hydroxy benzoate, refined soya bean lecithin, polyvinyl pyrrolidone, propylene glycol, lactose, sodium saccharin, sulphonated cross-linked polystyrene resin in hydrogen form, and ethanol.
Patent GB-110152-A (GB)
Title: Device for Holding and Detachably Securing Military Service Ribbons and other Decorations to Wearing Apparel.
IPC: A44C3/00
Filed: 1917-04-05
Abstract: 110,152. Bertrand et Cie., A. Oct. 2, 1916, [Convention date]. Attaching military ribbons &c. to wearing-apparel. - The ribbon cut to the desired length is laid on the front of a stamped metal plate a, and its edges are folded over the downturned edges b of the plate; a second metal plate d is inserted between the downturned edges b, which are provided with recesses c to accommodate lateral tongues e on the plate d, and the edges b are then pressed or hammered down to secure the ribbon. The tongues c serve to attach the device to a garment. The plates may be provided with slots as described in Specification 105,750 to enable a decoration or badge to be attached to the ribbon.
Patent GB-1446545-A (GB)
Title: Exhaust gas recirculation systems for internal combustion engines goulburn j r method of supplying a fuel mixture to a combustion chamber of an internal combustion engine
IPC: F02M26/55
Filed: 1973-08-24
Abstract: 1446545 Exhaust gas recirculation ROBERT BOSCH GmbH 24 Aug 1973 [25 Aug 1972] 05046/76 Divided out of 1445581 Heading F1B The nitrogen oxide content of I.C. engine exhaust gas is reduced by recirculating exhaust gas. A line 16 receives exhaust gas from an engine and via two valves 20, in parallel, feeds the exhaust gas into the intake passage 11, downstream of throttle valve 12. Each valve comprises a valve-member 22 secured to a diaphragm 21 and biased closed by spring 23. Port 26, upstream of the throttle valve when the valve is closed, is connected to one valve. As throttle valve 12 opens, suction acts on diaphragm 21 of the lower valve, to open it against the spring. As throttle valve 12 continues to open, suction affects both ports 26 and 27, but when throttle valve 12 is fully open, the intake passage pressure is at a maximum and both valves 20 close again.
Patent GB-306948-A (GB)
Title: Improvements in or relating to centrifugal separators
IPC: B04B15/06
Filed: 1929-02-14
Abstract: 306,948. Aktiebolaget Separator. Feb. 29, 1928, [Convention date]. Density separators; indicating devices.-A sight glass 7 is placed in the casing of a centrifugal separator, or in a vessel connected to the casing, so that any unseparated liquid discharged from the bowl 1 is thrown against it. Separated liquid is discharged from the outlets 3 of the bowl, and when the separating spaces in the bowl become choked with solids, the unseparated liquid is discharged from the outlets 6 and strikes the sight glass 7. A screen 8 is arranged to prevent the separated liquid from the outlets 3 from reaching the glass 7. The screen may take the form of a tube surrounding the inspection glass and extending inwards from it.
Patent GB-1515201-A (GB)
Title: Cast iron
IPC: C21C1/10
Filed: 1976-02-10
Abstract: 1515201 Compacted graphite iron BCIRA 27 Jan 1977 [10 Feb 1976] 05083/76 Headings C7A and C7D Cast iron with a compacted graphite structure is produced by a single-step addition of an alloy containing Si, Mg, Ti, Ca and a rare earth metal. Preferably the alloy contains by weight per cent Si 30 - 80 Mg 2 - 15 Ti 3 - 25 Ca 2 - 10 Ce 0.05 - 1 Fe bal. with the Mg:Ti ratio lying between 1:1 and 1:2, the Mg:Ce ratio 50:1 to 2:1 and the Mg:Ca ratio 1:1 to 1:5. The addition may amount to 0À6- 1À8% of the molten iron.
Patent GB-511514-A (GB)
Title: Process for coating objects with artificial materials
IPC: B29C63/00
Filed: 1938-02-18
Abstract: 511,514. Ornamenting. 1. G. FARBENINDUSTRIE AKT.-GES. Feb. 18, 1938, No. 5135. Convention date, March 25, 1937. [Class 93] [Also in Group VIII] In the coating of objects, particularly of metal, with polymerisates of vinyl compounds, especially vinyl chloride, a layer of lacquer comprising a polyvinyl compound is first applied to the surface of the object, which is then heated to the temperature at which the lacquer flows, and on to the still plastic layer of lacquer a covering sheet of polyvinyl compound is pressed. The surface of the metal object is first roughened by means of a sand-blast, an etching-liquor, &c. and there may be applied three coatings of a ten per cent. solution of after-chlorinated polyvinyl chloride in methylene chloride. The coating is made plastic by heat, and a sheet of polyvinyl chloride, which has been previously painted with a twenty per cent. solution of polyvinyl chloride in acetone and dried, is pressed against the lacquered object.
Patent GB-1387144-A (GB)
Title: Protection of apparatus from overheating
IPC: G08B17/11
Filed: 1972-02-03
Abstract: 1387144 Temperature alarms R J LANGERON 3 Feb 1972 [3 Feb 1971] 5196/72 Heading G4N In a method of protecting (e.g. electronic or mechanical) apparatus, at least one component of the apparatus has applied thereto a substance which will produce gas, fumes or aerosols at a temperature sufficiently low as not to harm the component and the apparatus is monitored by means of an ionization detector, the output of which is arranged to interrupt the supply to the apparatus upon over-heating. The component may be coated with varnish, paste, paint, cement, enamel, paper or resin which may produce smoke at predetermined temperatures. More than one component may respond at different temperatures. The ionization detector may also operate an acoustic or visual alarm.
Patent GB-657468-A (GB)
Title: Internal combustion engine
IPC: F01P5/02
Filed: 1949-02-25
Abstract: 657,468. Cooling cylinders. DEHN, S. G. (Continental Motors Corporation). Feb. 25, 1949, No. 5217. '[Class 7(ii)] A rotary blower 18, for supplying cooling air to two adjacent rows of air-cooled cylinders having a common crankshaft and supported by a crankcase, has a shaft 17 normal to and driven by an auxiliary shaft 25 located intermediate of the cylinder rows and within the crankcase and extending substantially parallel to and driven by the crankshaft. Shaft 17 may be supported by bearings 15, 16 internally of a support 14 and driven, through bevel gears 21, 22. There may be a plurality of blowers each comprising an axial flow fan mounted externally of the crankcase and between the cylinder rows and rotated in a horizontal plane so as to direct air transversely of the cylinders. The cylinders may be of V- formation or horizontally opposed.
Patent GB-1037136-A (GB)
Title: Improvements in or relating to steam generators
IPC: F22B7/12
Filed: 1964-02-07
Abstract: 1,037,136. Return tube steam boilers; observation devices. L. REMESS. Feb. 7, 1964 [Feb. 18, 1963], No. 5229/64. Headings F4A and F4B. A steam generator comprises a horizontal cylindrical vessel 1 through which extends a cylindrical furnace tube 6, having transverse corrugations 7 at its central portion to permit expansion, surrounded by smoke tubes 8 which are interconnected at one end of the vessel by an annular smoke box 9 whilst at the other end the upper tubes are connected to the furnace outlet by a flue 10 and the bottom tubes are connected to an outlet 12 leading to a chimney (not shown). A steam and water drum 2 having a safety valve 19 and steam off-take tubes 17 is located above the vessel 1. Steam and water pass from the vessel into the drum through vertical radial riser pipes 3 capped by deflectors 5 which separate steam and water the latter returning to the vessel through laterally disposed downcomers 4 having discharge cocks 20 at their lowest point. A feed water supply pipe 21, Fig. 2 (not shown) is laterally disposed on the vessel and both the vessel and drum may have manholes 22 suitably located. A sight hole provided in the outer vertical wall of the flue 10 is formed by a tube 13 having an end plate 14 and an axle 15, Fig. 3 (not shown) on which pivots a sector-shaped transparent panel 16 of sufficient area to allow one part to be cleaned whilst the other covers the sight hole. The panel can then be pivoted to bring the cleaned portion over the hole and to allow the portion originally covering the hole to be cleaned. In another embodiment the furnace tube is formed by a helical tube coil having contacting turns welded together, preheated air is supplied to the furnace and water from the drum is circulated at a rate which may be varied, through the tube by a pump which discharges into the steam space of the drum. The flow through the smoke tubes may be controlled or accelerated in any known manner for example by placing accelerating bars in the tubes.
Patent GB-1100258-A (GB)
Title: Photoresponsive device
IPC: G03B7/099
Filed: 1965-02-08
Abstract: 1,100,258. Photo-electric detectors. EASTMAN KODAK CO. Feb. 8, 1965 [Feb. 6, 1964], No. 5305/65. Heading G1A. A light-integrating detector comprises a transparent cylinder 10, having a reflective lightdiffusing surface 14 at one end, a photo-sensitive element 20 being embedded in the cylinder. The arrangement ensures that only light transmitted through surface 12 and reflected from diffusing surface 14 reaches the sensitive surface of the detector 20 which may be a photo-transistor 16. The cylinder may be of acrylic resin and its diffusing surface is formed by coating the end with a white paint. The reflecting end may be curved to have spherical or parabolic characteristics.
Patent GB-473867-A (GB)
Title: Improvements in or relating to supports for vessels of a table-service
IPC: A47G19/08
Filed: 1937-02-24
Abstract: 473,867. Table stands. HIRSCHMANN, O. Feb. 24, 1937, No. 5513. [Class 128] A stand for vessels of a table-service comprises a lattice or skeleton-like frame-work in two movable parts slidably connected together so that the stand may be lengthened or shortened. In Fig. 9 two solid supporting members slide in two hollow supporting members. Fig. 8 shows a lazy-tongs construction. Fig. 20 shows a wire-built construction. In Fig. 26 the supporting members slide side by side.
Patent GB-248395-A (GB)
Title: Improvements in and relating to bolted or riveted joints for metal structures
IPC: F16B5/04
Filed: 1926-02-27
Abstract: 248,395. Passega, C. Feb. 27, 1925, [Convention date]. Bolting. - Riveted or bolted joints, particularly for sheet metal pipes &c. subjected to internal pressure, are disposed at an angle a, Fig. 1, other than a right angle, to the line of tension F, the plate from which the pipe &c. is made being chosen of such thickness as merely to resist the bursting pressure, without allowance being made for loss of strength due to the rivet &c. holes. Various designs of joint embodying this principle are shown; e.g. the joint may be rectilinear or composed of serrations symmetrically or otherwise disposed with respect to the line of tension F. The component F cos a along the line of the joint is balanced by auxiliary devices such as cover-plates d, Fig. 10, and packing pieces e. The joint may be thickened by plates i, Fig. 14, riveted along the edges of the plates.
Patent GB-141026-A (GB)
Title: Valves
IPC: F16K15/20
Filed: 1920-02-25
Abstract: 141,026. Schrader's Son, Inc., A., (Assignees of Kraft, H. P.). March 21, 1919, [Convention date]. Nuts.-A rim nut for a tyre valve is formed from two sheet-metal blanks Y<1>, Z<1> and is provided with additional external threads to receive the dust cap.
Patent GB-573334-A (GB)
Title: Improvements in or relating to the manufacture of hydroxy acids
IPC: C07C51/235
Filed: 1942-04-28
Abstract: The oxidation of b -monohydroxy aldehydes to the corresponding acids is effected in the liquid phase by intimate contact with molecular oxygen at an oxygen pressure greater than the partial pressure of oxygen in air in the presence of an oxidizing catalyst.  Suitable hydroxyaldehydes are acetaldol and hydracryl-aldehyde and their a -halogen substitution products.  In the oxidation of crude acetaldol (containing acetaldehyde) it is preferred to start the oxidation at a relatively low temperature (about 35 DEG  C.) at which oxidation of acetaldehyde is the main reaction and after the acetaldehyde is oxidized to raise the temperature gradually to 55-70 DEG  C. Suitable catalysts are vanadium pentoxide, vanadic acid, compounds of cobalt, copper, uranium and tungsten; manganous acetate alone is less suitable, but is very effective in association with other catalysts, such as cobalt or copper acetates, though manganic acetate is effective alone.  Solvents may be used, especially such as will keep the aldehyde or its para form in solution, such as lower fatty acids, alcohol and ketones such as acetone; when alcohol is used, the ester may be produced.  Preferably, when acetaldol is oxidized, the reaction products are separated under conditions that cause excess acetaldol to be converted to crotonaldehyde.  Examples describe the oxidation of acetaldol to b -hydroxy butyric acid, a  - chloro - b  - hydroxy - propionaldehyde to a  - chloro - b  - hydroxy - propionic acid, a  - chlor - acetaldo to a -chlor-b -hydroxy butyric acid. Specification 13734/39 (as open to inspection under Sect. 91) is referred to.
Patent GB-555594-A (GB)
Title: Improvements in and relating to the production of insulating tubing having a fabric foundation
IPC: D06B3/10
Filed: 1942-04-29
Abstract: 555,594. Coating braid. WILLIAMSON & SON, Ltd., J., and LAWSON, J. C. April 29, 1942, No. 5722. [Class 140] Insulating tubing is formed from braid by drawing the braid through a heated tube of slightly smaller diameter than the desired circular cross-section of the braid and thereafter applying an insulating coating to the braid. Braid of 4 millimetres diameter may be drawn through an #-inch bore in a ¢-inch brass rod heated by an electric resistance wound round the tube, the whole being embedded in plaster of paris in wooden box. A tapered guide may be provided. Braids of cellulose acetate, viscose and cotton are suitable. The coating may be a lacquer consisting of 5 parts cellulose acetate, 5 parts dibutyl phthalate, 1 part tricresyl phosphate and 89 parts acetone.