baber/WOPTO huggingface dataset:
Patent GB-691163-A (GB)
Title: Improvements relating to electric switches for alternating current
IPC: H01H23/16
Filed: 1951-10-19
Abstract: 691,163. Mechanical switches. BUSCH-JAEGER LœDENSCHEIDER METALLWERKE AKT.- GES. Oct. 19, 1951 [Oct. 20, 1950], No. 24489/51. Class 38 (v) In a switch having a contact-carrying spring blade 3 controlled by a pivoted lever or dolly 8, the connecting terminals 4, 5 have projecting tongues 6, 7 which serve as stops limiting the movement of the dolly 8, the tongue 6 being in contact with the spring blade and the tongue 7 carrying a contact 9 which cooperates with the contact 10 carried by the blade. The cam surface 13 of the lever is shaped so as to provide a "break" which is slower than the "make". The blade 3 is corrugated to provide a cam follower at 12.
Patent GB-393561-A (GB)
Title: Method of treating beet seed
IPC: A01C1/00
Filed: 1931-09-01
Abstract: Sugar beet seed is separated into grades of approximately uniform sizes, the grades being then separately treated in a burr grinder, the plates of which are well worn or dulled, so that the individual seeds are broken or cut up into a number of pieces each containing one germ or embryo of a beet plant.  The division of the individual seeds may be by cutting, grinding or crushing, and may be accomplished by hand or power.
Patent GB-1044857-A (GB)
Title: Lubricated ball joint assemblies
IPC: F16C11/06
Filed: 1965-06-10
Abstract: 1,044,857. Lubricating. GENERAL MOTORS CORPORATION. June 10, 1965 [June 15, 1964], No. 24544/65. Heading F2A. [Also in Division E2] In a ball-joint assembly a pellet 30 is disposed in a lubricant-containing reservoir within a ball-head 14, and progressively swells by absorption of lubricant to displace a gradual supply of lubricant to the region between the ball-head and a surrounding socket portion 6. The pellet is elastomeric, e.g. of chloroprene plastic. The ball-head has an aperture 26 which connects the reservoir with bearing surfaces 10, 12. The plastics portion 6 has a single aperture through which ball-stem 18 extends and is held in an annular socket 2.
Patent GB-815743-A (GB)
Title: Safety tire construction
Inventor: RIGGS MART BAZIL
IPC: B60C5/12
Filed: 1955-08-26
Abstract: 815,743. Pneumatic tyres. WINGFOOT CORPORATION. Aug. 26,1955, No. 24611/55. Class 144 (2). In a safety diaphragm separably connected to a pneumatic tyre 1, the portion 6 of the diaphragm extension which engages between the tyre bead 4 and the bead seat of the rim 3 is formed with an outer diameter which is normally greater than that of the inner diameter of the tyre bead 4, as shown in broken lines in Fig. 2 to effect a tighter grip between the tyre beads and the portions 6 of the diaphragm extensions and thereby avoid relative displacement when mounting the assembly on a rim. As shown, the diaphragm extensions have portions 7 extending between the tyre bead and the retaining flange 5 of the wheel rim, and are reinforced by one or two plies of fabric of strainresisting elements of nylon or wire which extend under the tyre bead but terminate at a point 36 radially inwardly of the outermost rim flange engaging sealing rib 16 to avoid loss of air by wicking. Where both plies extend under the tyre bead, the overall thickness of the diaphragm in this region is between 0.032 and 0.040 inch. Where only one-ply extends under the bead, the elements of the ply may have a diameter up to 0.020 inch. To provide for greater sealing effect under the bead toe 39, the diaphragm extension portion 6 has a wedgeshaped thickening 37 in that region. The axial width of the portion 6 of the diaphragm extension is made wider than the normal width of the tyre bead base to provide a clearance 42 therebetween which ensures correct relative location and allows for use of the diaphragm with tyres of different bead widths. Specification 720,214 is referred to.
Patent GB-355935-A (GB)
Title: Improvements in machines for sorting or cleaning raw cotton prior to ginning
IPC: D01G9/00
Filed: 1930-08-18
Abstract: 355,935. Sifting apparatus. SOC. ALSACIENNE DE CONSTRUCTIONS MECANIQUES, Mulhouse, Haut-Rhin, France.. - (Assignees of Mieg, C.; Mulhouse, Haut-Rhin, France.) Aug. 18, 1930, No. 24662. Convention date, Feb. 5. [Class 117.] The drum 19 and rotary beater 1, Fig. 2, of the apparatus for sorting and cleaning raw cotton prior to ginning, described in Specification 355,855, [Group IX], are driven in opposite directions through chain and sprocket gearing. The beater shaft 5 is provided with fast and loose pulleys 3, 4, Fig. 1. A sprocket wheel 7 is keyed thereon and, through a chain 8, drives a sprocket wheel 14 in the opposite direction. The spindle 12 of the sprocket wheel 14 carries a second sprocket wheel 15 which, through a chain 16, drives a sprocket wheel 17 keyed on a sleeve 18 loose on the shaft 5 and which supports the end of the drum 19.
Patent GB-695728-A (GB)
Title: Multi-diamond truing tools
IPC: B24B53/12
Filed: 1950-10-10
Abstract: 695,728. Diamond tools. KOGANOVITCH, D. Jan. 7, 1952 [Oct. 10, 1950], No. 24689/50. Class 124. In a multi-diamond truing tool for truing in particular large grinding wheels, threaded diamond-carrying plugs are mounted in threaded holes in a slit collet clamped into a collar by a plunger screwed into the collar. As shown in Fig. 2 plugs 5 carrying diamonds 6 are held in a slit and tapered collet 2 by grub screws 7 and tightened by pressure applied by screwing the plunger 3 into a collar 1. A ring-nut 4 is used to lock the plunger. Fig. 6 illustrates another tool in which the diamond plugs 5 are located at the intersections of radial slits 15 and the annular slit 14, the collet, of frusto-conical shape, being clamped into a corresponding collar 10 of hexagonal exterior form to allow tightening by a spanner. The diamond points may be arranged in a plane, in two planes, or in stepped relationship.
Patent GB-1293855-A (GB)
Title: Four-stroke internal combustion engines
IPC: F02B75/02
Filed: 1970-05-21
Abstract: 1293855 Combustion chambers DAIMLERBENZ A G 21 May 1970 [24 May 1969] 24704/70 Heading F1B In a four stroke I.C. engine having spark ignition and direct fuel injection into a substantially cylindrical combustion chamber in the piston two displacement flow passages 7, 7a in the piston and/or cylinder head discharge tangentially into the chamber in the same sense but from opposite sides when the piston is in the compression dead centre position, an injection nozzle 4 is disposed in the region of one passage outlet and a sparking-plug 5 is disposed in the region of the other passage outlet. The passages increase in depth towards the chamber. In another embodiment the piston crown and cylinder head have complementary steps 15, 15a, Fig.3.
Patent GB-839414-A (GB)
Title: Process for working up dilute aqueous hydrazine solutions
IPC: B01D3/02
Filed: 1958-07-31
Abstract: <PICT:0839414/III/1> A process for working up dilute aqueous hydrazine solutions comprises the steps of (1) holding an aqueous solution of hydrazine containing acetone for a finite time in the homogeneous liquid state, distilling at least part of said solution; (2) adding acetone to the distillate, holding this treated distillate for a finite time in the homogeneous liquid state and then distilling at least part thereof.  In a preferred embodiment, a charging vessel 1 containing 2% hydrazine hydrate aqueous solution and 50 grams/litre of acetone, is held for at least 10 minutes before commencing operations.  This solution is then supplied continuously to an upper column 2 and holding vessels 3a and 3b in which the solution may remain for a time, the holding vessels being constantly charged with acetone from vessels 7a and 7b respectively.  Sump flask 6 is heated by a gas flame and a discharge substantially free from hydrazine and acetone is withdrawn at such a rate that the flask is always half full.  The distillate consisting of 120-160 grams of hydrazine hydrate and 360-480 grams of acetone per litre is collected in the receiver 5.
Patent GB-1179446-A (GB)
Title: Ammonium Nitrate-Containing Explosive Charge
Inventor: BRANCION JACQUES CHATEL DE RAG
IPC: C06B47/14
Filed: 1967-05-26
Abstract: 1,179,446. Explosive charges. EXPLOSIVES & CHEMICAL PRODUCTS Ltd. 26 May, 1967 [1 June, 1966], No. 24748/67. Heading F3A. [Also in Division C1] An explosive charge comprises an explosive consisting of ammonium nitrate of specific surface area greater than 500 cm<SP>2</SP>/g and containing less than 1% of combustible substances, and a booster for initiating detonation. The ammonium nitrate may be prepared as described in French Specification 1,475,959. The booster may consist of pentolite. Barium sulphate may be added to increase the density of the explosive which in an example contains 1% of moisture. Specification 1,106,529 is referred to.
Patent GB-308324-A (GB)
Title: Process of producing yeast
IPC: C12N1/16
Filed: 1927-09-20
Abstract: 308,324. Sak, S. Sept. 20, 1927. Yeast.-A process for producing yeast, with or without the production of alcohol, consists in maintaining for a desired time interval, a constant relation between the weight of yeast and weight of sugar or other added nutrient, by controlled additions or withdrawals of yeast to or from the fermenting wort. The yeast added may be obtained from another fermenting wort, or may be developed outside the process, or it may be centrifuged yeast. When obtained by centrifuging yeasty wort obtained from the fermenting wort, it can be returned to any vat wherein the ratio by weight of yeast to sugar &c. is maintained. The separated yeast-free wort can be returned to the fermenting wort. Ammonium, calcium and magnesium compounds, phosphates and sulphuric acids are employed as auxiliary nutrients. Specifications 294,123 and 294,134 are referred to.
Patent GB-600683-A (GB)
Title: Improvements in or relating to stove hot plates and flue covers
IPC: F24C15/10
Filed: 1945-09-25
Abstract: 600,683. Stove hot-plates. TAYLOR, R., and MITCHELL, J. Sept. 25, 1945, No. 24897. [Class 126] A movable fire or flue cover or boiling ring for a stove hot-plate is hinged to the hot-plate in such a manner that when closed, the cover or ring and its hinge are flush with the surface of the hot-plate. As shown, a rectangular cover 7 seats on a sunken ledge 6 surrounding the opening 5 in the hot-plate 4 and is formed at its rear edge with a lug 8 extending between ribs 9, the latter serving, by contact with projections 10 at the rear ends of the ledge 6, to hold the cover in its raised position. When closed the lug 8 bears against the underside 4a of the hot-plate and seals the rear edge of the opening 5.
Patent GB-694871-A (GB)
Title: Improvements relating to bonnets for motor-vehicles
Inventor: BELGROVE WALTER JAMES
IPC: E05B65/19
Filed: 1950-10-12
Abstract: 694,871. Sliding bolts; hinges. STANDARD MOTOR CO., Ltd. Nov. 27, 1951 [Oct. 12, 1950], No. 24924/50. Classes 44 and 65 (ii) [Also in Group XXXI] In a bonnet for the engine of a motor vehicle of the kind which is formed as a panel over the engine, each side of the panel is secured by a generally horizontal slidable bolt-means which is mounted on structure adjacent the panel and provides a hinge for that side, the bolt-means being withdrawable by means of a lever which is biased to hold the bolt in the shot positions. In the arrangement shown, in which a flange 11a at each side of a bonnet panel 11 extends into a trough 14, a bracket 16 secured to the latter supports a vertical tube 18 on which is journalled through a skirt portion 22, a two-armed lever 21. The lever is held against upward movement by a flange 23 on the tube 18. A spring-loaded plunger 35 within the tube 18 carries a pin 38 which works in a closed slot 19 in the tube and a concave head 36 of the plunger is positioned beneath a projection 37 fast with the underside of the panel 11. A bolt 24 is pivoted to each arm of the lever 21 which is biased to the locked position by a spring 31 in which each bolt engages a socket 26 fast with the panel. A Bowden control cable 40 connected to the lever 21, is operable from the driver's position to turn the lever 21 thus withdrawing the bolts 24 and to align a slot 39 in the skirt 22 of the lever with the slot 19, which releases the pin 38 and its plunger 35 to lift slightly the adjacent side of the panel. The latter is then raised manually to tilt the panel about the bolts 24 at the opposite side thereof. When the panel is lowered and slammed down, the projection 37 depresses the plunger 35, the pin 38 is withdrawn from the slot 39 and the bolts 24 re-engage the sockets under the influence of the spring 31.
Patent GB-1243041-A (GB)
Title: A process for the modification of the composition of natural gases and like gases
Inventor: THOMPSON BRIAN HOYLE
IPC: C10K3/06
Filed: 1968-05-24
Abstract: 1,243,041. Modifying natural gases. GAS COUNCIL. 9 May, 1989 [24 May, 1968], No. 24982/68. Heading C5E. The composition of a natural .gas, or of a substitute natural gas, containing hydrocarbons heavier than CH 4 , is modified by catalytically reforming a stream of the gas mixed with steam or H 2  to reduce the concentration of hydrocarbons other than CH 4 , and mixing the product gas with another stream of the original gas. The process is adapted for making natural gases from different sources compatible with each other. Preferred reforming temperatures are in the range 250‹ to 400‹ C., and the pressure may exceed 70 atmos. A preferred catalyst is co-precipitated nickel-aluminja, optionally with alkaline or alkaline earth, metals. Residual steam should be removed from the product gas, and C0 2  may be removed before mixing with the original gas. A third stream of the original gas may be oxidized and then added 'either to the gas mixture going to the reformer, or to the unreformed stream.
Patent GB-1444197-A (GB)
Title: Method and apparatus for cooling hot water
IPC: F28C1/14
Filed: 1974-06-06
Abstract: 1444197 Cooling towers MARLEY CO 6 June 1974 [12 Nov 1973] 25060/74 Headings F4K and F4S In an induced draught cross-flow cooling tower 10 comprising both wet and dry heat exchange sections 28 and 14 respectively each cooled by its own air stream 48 and 46, cloud formation above the tower 10 is avoided by admixing warm dry air leaving the dry section 14 with warm moist air leaving the wet fill section 28 in a central plenum chamber 26, the resulting mixture 50 of moist and dry air leaving the tower via a fan stack 30. Hot water to be cooled is supplied to the lower end of the dry section 14 which comprises a series of inclined single pass finned tube heat exchangers. Partially cooled water leaving the upper end of the dry heat exchangers is transferred via downwardly inclined crossover ducts 22 to a distribution basin 42 and is then further cooled on passing downwardly through the wet fill section 28. Adjustable dampers (44, Figs. 2-4) may be provided to permit selective control of the air streams 46 and 48 passing through the dry and wet sections. For example adjustable dampers may be located adjacent the interior (Fig. 3) or exterior (Fig. 2) face of the dry section 14, or adjacent the outlet side of the wet fill section (28, Fig. 4). The wet fill section is provided with a series of inlet louvres 40 and a mist eliminator structure 29. The motor 34 driving the fan 32 in the stack 30 may be single, multi or variable speed. The height of the wet fill section may be substantially less than that of the dry heat exchanger section (see Fig. 6) which may comprise a number of spaced apart sections (82, Figs. 7 and 8), adjacent sections being separated by casing walls or panels (80).
Patent GB-156900-A (GB)
Title: Improvements in or relating to tools for use in cutting threads by means of taps anddies
IPC: B23G1/26
Filed: 1919-10-13
Abstract: 156,900. Southorne, W. H., and Forbes, S. L. Oct. 13, 1919. No Patent granted (Sealing fee not paid). Stocks and dies.-A die stock of the type have ing a circular recess which is flanged to form a bed for the die may receive either the die or an adjustable tap wrench attachment consisting of a pair of segmental members provided in their flat sides with co-operating V-shaped notches and ribs, and one part having guide pins over which the other part slides. The centre of a die stock 1 is formed with a circular recess providing a bed 3 for receiving either a split die or an adjustable tapwrench attachment, Fig. 3. The die or the fixed jaw 9 of the wrench is fixed in the stock by a screw passing either through a hole 8 or in a modification through a screwed boss on the stock. The die is placed in position with its split side opposite an expanding screw 5, and is contracted by screws 7. When the wrench attachment is in position the movable jaw 10 is adjusted by the screw 5 along guide rods 12 on the fixed jaw 9. Lugs 15 on the jaws pass through slots 16 in the bed to ensure a positive drive.
Patent GB-1465776-A (GB)
Title: Stabilizing electrical power supply network
IPC: G11B15/29
Filed: 1974-06-06
Abstract: 1465776 Distribution network arrangements BBC BROWN BOVERI & CO Ltd 6 June 1974 [8 June 1973] 25099/74 Heading H2H In order to balance an A.C. supply network 3 and to compensate the reactive load thereon, caused by a non-symmetrical load such as an electric arc furnace 1 a high leakage reactance transformer 2 is connected to the network 3 in parallel with the load 1, the balancing and compensating being effected by short-circuiting the secondary windings of each phase of the transformer, e.g. the winding 8 by a pair of reversely connected thyristors 11, the instant in the half-cycles of the supply network at which the thyristors 11 are rendered conductive being determined by a measuring device 4 which responds to the current in the load 1, the voltage of the supply network 3 and the short circuit current in the secondary windings of the transformer 2. If desired the apparatus may include a bank of capacitors which may be connected to the network as desired to improve the power factor thereof.
Patent GB-769799-A (GB)
Title: Improvements in or relating to articles treated so as to have microbicidal properties
IPC: A61L15/18
Filed: 1954-08-30
Abstract: In a method of treating an article to render it antiseptic the article is first contacted with an aqueous solution comprising a water-soluble silver salt, e.g. silver nitrate and a first water-soluble salt of another metal, e.g. magnesium nitrate the cation of which is capable of forming a sparingly water-soluble salt with the anion of at least one other water-soluble salt, e.g. with a third salt; subsequently contacting the thus treated article with a second aqueous solution containing a second water-soluble salt, the anion of which is the anion of a sparingly soluble water salt and a third water-soluble salt, e.g. sodium phosphate, the anion of which forms a sparingly water-soluble compound with the metal cation of the first water-soluble salt, and a water-soluble basic nitrogen compound, e.g. ammonia or an amine, whereby a sparingly water-soluble silver salt and a sparingly water-soluble metal compound are formed, the metal compound functioning as an effective stabilizer of the silver salt against the effect of light normally tending to discolour the silver salt.  When the articles are to have fungicidal in addition to germicidal properties a co-precipitation of calcium undecylenate is effected by treating the article with a solution of a water-soluble calcium salt, e.f. calcium chloride and then with a solution of the ammonium, sodium or other water-soluble salt of undecylenic acid, or vice versa, these treatments being carried out either prior to or subsequent to the treatment with the first and second solutions, or preferably a water-soluble calcium salt, e.g. calcium nitrate is incorporated with the first solution along with the water-soluble silver silver salt and the water-soluble undecylenate, e.g. ammonium undecylenate, in the second solution with the second and third water-soluble salts.
Patent GB-1475879-A (GB)
Title: Sorbent thermoset foam materials
IPC: C01B31/08
Filed: 1973-05-25
Abstract: 1475879 Solid adsorbent for gases MINNESOTA MINING & MFG CO 6 June 1974 [25 May 1973] 25181/73 Heading B1L [Also in Division C3] Gases are preferentially sorbed by a thermoset foam which has been prepared by the pyrolysis of a liquid composition comprising at least one aromatic nitrogen-containing compound having the general formula: in which Ar represents an aromatic nucleus on which X and Y are substituents and which optionally carries additional substituents, X represents a substituent having a negative Hammett sigma constant (i.e. having a reducing action) and attached to the aromatic nucleus by a nitrogen, oxygen or sulphur atom, and Y represents a substituent having a positive Hammett sigma constant (i.e. having an oxidising action) and attached to the aromatic nucleus by a nitrogen atom, the substituents X and/or Y optionally forming part of a ring fused onto the aromatic nucleus. In example 8 the foam was used to sorb HCl, SO 2 , HCN, H 2 S, HF and Cl 2 . The foams may be used to remove notions or poisonous gases, e.g. HCN or HF, from air, and H 2 S and SO 2  from combustion waste gases, and may be mixed with activated charcoal for such uses.
Patent GB-160438-A (GB)
Title: Improvements in feeding devices for carding machines
IPC: D01G23/00
Filed: 1920-09-01
Abstract: 160,438. Sõchsische Maschinenfabrik vorm. R. Hartmann Akt.-Ges. March 13, 1920, [Convention date]. Feeding carding-engines.-Wool is fed to a series of carding-engines from a number of groups of bins in the opening-room by hopper feeders and suction trunks leading to the hopper-feeders supplying the feed aprons T of the carding-engines. A platform W with a counterbalance H is arranged in the hopper so that when the hopper is empty electrical contacts K are closed and the associated hopper feeder in the opening room is started and wool is supplied from the bins and delivered by a sieve drum S above the hopper .until the hopper is full, when the platform W moves sufficiently to close a second pair of electrical contacts K<1> and stop the supply of wool.
Patent GB-257468-A (GB)
Abstract: 257,468. Krause, R. J. Dec, 10, 1925. Cooling and heating parts; impellers combined with baffle cylinders. - Apparatus for heating, humidifying, and evaporating gases and liquids comprises a screw or centrifugal fan with concentric rotary drums having means on the drums for heating them while in rotation. In a screw fan, Fig. 3, an electric motor rotates a shaft 5 carrying a disc 8 provided with fan blades 9 and staggered drums 10, 11 provided with resistance coils 15 wound on insulation 16, the coils being connected to insulated slip rings 25, 26. The coils are protected by flanges at each end of the drums. Fluid from a pipe 23 passes into a sleeve 22 and through ports 6b and then passes in a spray from one drum to the next outer one. The fluid is collected in a funnel 34 and flows to a float chamber controlling a valve in the main supply, the position of the float beeing determined by a tap in the outflow pipe. A centrifugal fan, Fig. 5, may also be used as a gas washer. The drums are carried by discs 59, 60 provided with inner and outer blades 73, 74. The casing 56, disc 60, and gas and fluid inlet 76 are provided with baffle flanges to form a liquid seal and prevent a direct discharge to the outlet. This fan may be used for evaporating liquids such as honey, fruit and sugar juices, and salt water.
Patent GB-670810-A (GB)
Title: Improvements in or relating to tipping wagons
IPC: B60P1/16
Filed: 1949-10-07
Abstract: 670,810. Compressed air brake systems. KLAUS, K. Oct. 7, 1949 [Oct. 1; 1948; Jan. 13, 1949], Nos. 25765/49 and 25766/49. Class 103 (i). [Also in Group XXVIII] In a compressed air operated vehicle braking system comprising front and rear axle supply pipes 27, 28 and a reservoir 26, the latter is charged from a compressor on a tractor (not shown) through a pipe 37. Succeeding trailer reservoirs are charged through a pipe 29. An overpressure valve 30 allows air to pass from the braking reservoir providing the pressure therein is above a predetermined limit through a duct 31 to reservoirs 32 supplying a pneumatic tipping jack 35 (see Group XXVIII). Reference has been directed by the Comptroller to Specification 637,532.