baber/WOPTO huggingface dataset:
Patent GB-451778-A (GB)
Title: Improvements in or relating to traffic control signals
IPC: G08G1/08
Filed: 1935-02-11
Abstract: 451,778. Road signals for controlling traffic. AUTOMATIC ELECTRIC CO., Ltd., Strowger Works, Liverpool, and RENSHAW, A. P. B., Brookwood, Dickerage Road, Kingston Hill, Surrey. Feb. 11, 1935, No. 4378. [Class 118 (ii)] In a vehicle-actuated road-traffic control system in which the signals normally change at a slow rate, a vehicle approaching on a road not having right-of-way speeds-up the rate of change and subsequent vehicles approaching in the road having right-of-way reduce the speed-up. As shown in the Figure, the signals are controlled by a shaft rotated by solenoid S, under control of condenser QA. With right-ofway on road A cam contacts 1, 4, 6 and 9 are closed and the condenser QA charges very slowly over rb4 and the slow tapping of resistance YA. If a vehicle approaches on road B, relay DB is energized and relay RB energizes and locks, changing over the charging circuit to the fast tapping of YA. If now a vehicle approaches on road A, relay DA operates and RA pulls up to replace the " fast " by the " medium A " tapping. Condenser QB now charges over cam contacts 6 and following vehicles on road A discharge QB for the period during which relay DA is energized. When condenser QB is sufficiently charged, relay PB energizes and releases relay RA to replace the fast charging rate for QA. If relay PA is energized before relay PB pulls up, relay RA locks over cam contacts 8 so that right-of-way is returned to road A. The amber period is controlled over cam contacts 3 and is independent of traffic flow. A vehicle on the road having right-of-way has no effect on the system unless a vehicle on an intersecting road has initiated the speeding-up process. Specifications 360,924 and 403,732 are referred to.
Patent GB-140564-A (GB)
Title: Improvements in or relating to the transparent screens or windows of road vehicles
IPC: B60S1/34
Filed: 1919-02-22
Abstract: 140,564. Faint, W. Feb. 22, 1919. Windows and the like, cleaning.-A device for removing snow &c. from the transparent screens or windows of road-vehicles consists of a rubber or like cleaner 8 carried by a slotted arm 4, which is pressed against the window by a spring 7 and mounted by means of plates 5 on a cranked operating spindle 1. The spindle 1 is carried in bearings in a bracket &c. on the frame 2.
Patent GB-708152-A (GB)
Title: Improvements relating to the absorption of sulphur trioxide from hydrogen sulphide combustion gases
IPC: C01B17/90
Filed: 1952-02-20
Abstract: Sulphur trioxide is recovered from gases obtained by the combustion of hydrogen sulphide, by absorption in sulphuric acid at a concentration of 65-80 per cent. (W/W) and a temperature of 85-130 DEG C., the precise working conditions being so selected that a simultaneous condensation of water vapour is avoided or limited. In order to maintain the washing acid continuously at the same concentration an amount of water vapour may be allowed to condense from the gas phase to correspond with that used up in the formation of sulphuric acid by the absorption of the sulphur trioxide.
Patent GB-553979-A (GB)
Title: Improvements in or relating to means for raising sunken objects
IPC: B63C7/12
Filed: 1940-03-11
Abstract: 553,979. Cable grips. SODEN, S. W. March 11, 1940, No. 4568. [Class 78 (ii)] [Also in Group XXI] In a method of raising sunken ships (see Group XXI) floats are attached to the lifting cables by sliding grips which may comprise a cylindrical part 37, Fig. 6, encircling the cable and carrying a pair of pivoted jaws 42, 43 which grip the cable when upward pressure is applied to a lifting eye 48. A grip for attaching a chain 9 to a cable 1 passing under the ship comprises a cylindrical part 49, Fig. 9, formed of two hinged halves each carrying a pivoted jaw 56 pressed into light frictional engagement with the cable by a spring plunger 61 and shaped so as to grip the cable when the grip tends to move along the cable in one direction.
Patent GB-825629-A (GB)
Title: Method of purifying sewage water
IPC: C02F1/52
Filed: 1956-02-14
Abstract: 825,629. Treating sewage ; fertilizers. ELEKTROKEMISK A. S. Feb. 14, 1956 [Feb. 14, 1955; Nov. 15, 1955], No. 4616/56. Class 111. [Also in Group XXXVI] A process for purifying sewage water containing phosphates comprises preferably removing from it the coarser impurities, mixing it with a solution containing magnesium compounds, e.g. sea water, and alkalising before or after mixing, whereby phosphates and hydroxides are precipitated. The sewage water may be first mixed with from 10 to 15% of sea water or the like, and then alkali, e.g. lime milk, is added in quantity sufficient to raise the pH to above 9À5. The precipitated phosphates and hydroxides may be floated to the surface by air injected into the mixture, and skimmed off. Instead of sea water the necessary amount of magnesium may be added in the form of dolomite, preferably burnt. The alkali may be burnt lime or burnt dolomite. Sewage water from pipe-line 12a and sea water from pipe-line 6a pass through rotary meters 12 and 11 respectively and then, mixed, into the annular space between a tubular metal casing 9 forming the cathode of an electrolytic cell and a diaphragm 7 within a perforate tube 8. During electrolysis the liquid in the cathode compartment becomes alkaline so that phosphates and hydroxides are precipated. Hydrogen is evolved at the cathode and brings the precipitated substances to the liquid surface where the resulting foam 18 passes through apertures 16 in the tube 9 into a surrounding vessel 15. The foam is removed at 19 by a scraper or by air injected at 20, is dehydrated by precipitation in settling tanks, and may be dried for use as fertilizer. Sea water only, metered at 6, passes through a valve 5 into the anode compartment formed between the diaphragm 7 and a graphite anode 1. Chlorine is evolved at the anode, and the chlorinated anolyte discharged at 22 is mixed with the purified sewage water, discharged from the vessel 15 at 21 in a separate vessel (not shown) so that the sewage water is disinfected by the chlorine dissolved in the anolyte. In a modification purified alkaline sewage water from the cathode compartment may be added, together with lime, untreated sewage water; the quantities must be adjusted so that the pH of the mixture is above 9À5. In a further modification, sea water and a part of the total alkali necessary may first be added untreated sewage water and the mixture then passed into the cathode compartment and electrolysed until the pH is at least 9À5.
Patent GB-292051-A (GB)
Title: Improvements relating to gyroscopic turn indicators for aircraft or other vehicles
IPC: G01C19/44
Filed: 1928-02-14
Abstract: 292,051. Cooke, G. H., and Aircraft Patents, Ltd. Feb. 14, 1928. Gyroscopic apparatus.-In a turn indicator for aircraft &c. comprising a single-framed gyroscope arranged to precess against the action of a restraining couple when turning movement occurs, the gyroscope is balanced gravitationally and is provided with a restraining system by which two forces which remain always equal are applied to the pivoted frame at points which are symmetrical with respect to the pivot axis and below it, the forces acting in parallel planes which remain in a constant angular position with respect to the case of the instrument. In the form shown the rotor 1 is mounted on an horizontal axis in the frame 2 which is carried on knife-edges 3 in the fixed casing 12 of the instrument. Precession of the gyroscope about the axis 3 is indicated by a pointer 4 on the frame 2 moving over a scale 5 on the casing. The restraining-means comprise two weights 6 attached by flexible connections 8 to points 9, 10 on the frame 2 below the axis 3, the weights being constrained by tubular guides 11 to move in parallel paths equidistant from the axis 3. When the frame 2 is in its central position the weights exert equal moments about the axis 3 but when precession about this axis occurs, owing to the points 9, 10 being below the axis 3 the rising weight exerts a greater moment than the falling weight as indicated in Fig. 3 and a restraining force is thus applied. The guides 11 can be used as dash pots for the weights, the damping effect being regulated by a valve 13 in a connecting tube 14. In a modification the tubes 11 are replaced by rods passing through apertures in the weights. Dashpots may be provided in this form by causing the guides to serve as pistons and the weights as cylinders. In another form the connections 8 are attached to opposite ends of a flat strip spring, the centre of which bears on a fixed fulcrum. Specification 217,405 is referred to.
Patent GB-1464535-A (GB)
IPC: G01B3/08
Filed: 1974-01-21
Abstract: 1464535 Extensible rules J ROLT 21 Jan 1974 [30 Jan 1973] 4687/73 Heading G1M An aluminium alloy extending rule comprises a channel member 10, Figs. 1 and 2, of known length slidably housing a ruled portion 16 of wood or glass fibre which may be pulled out by a handle 20 against the frictional resistance of a rubber pad 22 and locked in position by an edge engaging screw 24. If necessary at least one aluminium alloy extension piece 28 may be added by fitting it into an intermediate member 30 secured by screws 32, 38 to 28 and 10 respectively.
Patent GB-754460-A (GB)
Title: Improvements in or relating to radio direction finders
Inventor: BYATT DENNIS
IPC: G01S1/02
Filed: 1954-02-18
Abstract: 754,460. Radio direction finding. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. Dec. 22, 1954 [Feb. 18, 1954], No. 4818/54. Class 40 (7). A radio direction-finder comprises two pairs of spaced aerials NS and EW, like phase-shifters 1 and 2 being connected between the aerials of each pair. Outputs 3, 4, 5 and 6 are taken from each side of each phase shifter to modulating means comprising the valves 7, 8, 9 and 10. Modulation signals are fed in at 11 and are fed to the screened grids of the modulating valves in such phases that the modulating signals applied to the signals from opposite sides of the same phase shifter are in phase opposition and the modulation signals applied to the signals from different phase shifters are in phase quadrature. The outputs from the anodes of the four modulating valves are combined and fed to receiver 14 which separates the modulation frequency component and supplies it to phase comparison circuit 15. The other input to circuit 15 is a reference signal from input 11 and the output of the comparison is applied to a suitable indicator such as phase meter 16. The depth of modulation of the radio frequency signal in the common anode circuit is dependent on the phase shift introduced at 1 and 2 and for 100 per cent modulation the required phase shift is stated to be 1¢ times the separation (in wavelengths) of the two aerials of a pair. In practice the modulation depth may be much lower than this and a wide wave-band covered. The aerial pair spacing may be a little under a quarter-wavelength which renders octantal errors quite small. The modulation frequency may be chosen above the speech frequency band so that speech signals can be readily separated 'out in the receiver.
Patent GB-429527-A (GB)
Title: Improvements relating to rowing or sculling exercisers
IPC: A63B69/06
Filed: 1934-02-14
Abstract: 429,527. Exercising-apparatus. TERRY, A. V., Oakencross, Headless Cross, Redditch, Worcestershire. Feb. 14, 1934, No. 4855. [Class 132 (i)] A rowing exerciser comprises a seat o slidable on tubular metallic side rails a which pass through holes d<1> in a bar d and are secured in sockets b<1>, c<1>, in bars b, c. The bars c, d serve as a footrest, the bar c being provided with rubber studs c<2> and the bar d with heel recesses d<3>, while to the bar b springs h are anchored, and detachably connected at j<1> to a link j connected to cords k which pass over pulleys l, anchored at m to bars a, and end in handles n. Rubber pads b<2>, d<2> are applied to bars b, d, and cushioned feet g to the tubes a. The seat is of wood and has metal legs each consisting of spaced strips o<1> between which a roller o<2> is pivoted. Specification 384,075 is referred to.
Patent GB-667473-A (GB)
Title: A method of continuous casting
IPC: B22D11/04
Filed: 1950-02-24
Abstract: An aluminium alloy, suitable for continuous casting in a grooved vertical mould contains 12 per cent of silicon, 1 of magnesium, 1.3 of copper and 1 of nickel.  Specifications 437,064, [Group XXII], and 492,216 are referred to.
Patent GB-799161-A (GB)
Title: Improvements in or relating to hand embroidery or tambour frames
Inventor: LEWIS BERNARD GEORGE
IPC: D05C1/04
Filed: 1954-02-22
Abstract: 799,161. Clamps. MORRALL, Ltd., A. Nov. 22, 1954 [Feb. 22, 1954], No. 5091/54. Class 44 [Also in Group VII] A C-clamp j, attachable to a table or the like, is provided with means for clamping an embroidery frame a, said means comprising a spindle I, the lower end of which is journalled in the clamp j and the upper end of which screws through the lower limb of a channel-shaped member n. The respective clamping jaws for frame a are constituted by the upper limb of member n and a pad q journalled on the upper end of spindle 1. The latter may be turned by means of knurled disc r provided thereon.
Patent GB-452049-A (GB)
Title: Improvements in the manufacture of tagger top tins or containers
IPC: B21D51/26
Filed: 1935-02-16
Abstract: 452,049. Assembling can heads and bodies. LLOYD, A. E., and COX, F. C., c/o Lloyd & Sons, Ltd., Mill Street, Dockhead, Bermondsey, London. Feb. 16, 1935, No. 5110. [Classes 83 (ii) and 83 (iv)] Can bodies and tagger tops therefor are brought into pre-arranged relative positions, the top is prevented from distortion or from assuming an incorrect attitude, and the parts are then moved automatically into engagement. Bodies pass down a shoot 1 into a pocketed wheel 2 and tagger tops pass down a shoot 5 into a star wheel 6, the wheels 2, 6 being intermittently rotated by Maltese cross mechanism. At the first station a body is forced by a cam-operated plunger into a die 8 for reducing its diameter at the upper end, and at the next station the body is forced into a top which has been fed through a slot 27 in the die, the top being located and prevented from distortion by the finger 6a of the wheel 6. The upper part of the die is of reduced section to secure the top firmly. Cam-operated ejectors 17, 30 are provided at each station. The bodies pass after assembly down a shoot 31 to the soldering machine.
Patent GB-587534-A (GB)
Title: Manufacture of esters of tertiaryamino polyhydricalcohols
Filed: 1944-03-20
Abstract: Esters of tertiaryaminopolyhydric alcohols are prepared by reacting a tertiaryaminopolyhydric alcohol with an ester of a mono or polyhydric alcohol with a straight chain aliphatic carboxylic acid having at least eight carbon atoms, in the presence of an alkali metal alkoxide catalyst.  The displaced alcohol may be removed by volatilization if desired, under vacuum. In the examples: (1) ethyl oleate is added to sodium dissolved in triethanolamine and the mixture heated.  A mutual solvent such as triethanolaminemonooleic ester may be added; (2) sodium dissolved in triethanolamine is heated with dry castor oil to give triethanolaminemonoricinoleic ester and glycerolmonoricinolein. Other tertiary amino polyhydric alcohols which may be employed are methyldiethanolamine, triisopropanolamine, phenyldiethanolamine and N-tertiary-dihydroxypropylamine.  According to the Provisional Specification any carboxylic ester may be used, e.g. methyl acetate, dibutyl phthalate, dimethyl adipate and methyl benzoate.
Patent GB-1373682-A (GB)
Title: Control arrangement for material web guides
IPC: B65H23/02
Filed: 1972-02-03
Abstract: 1373682 Automatic control of web position ERHARDT & LEIMER KG 3 Feb 1972 [4 Feb 1971] 5117/72 Heading G3R The transverse position of a web 5, e.g. of fabric, is adjusted by the engagement of one or the other of rollers 3, 4 in response to signals from an edge position detector 19, and the system allows that during normal (correct) running both or neither of the rollers may be engaged as desired. As shown, the detector comprises a lamp and photo-cell arrangement having a wide beam and the signal is amplified at 21, 22 and 22a. Amplifiers 22 are differential type, having second inputs from ganged potentiometers 24, 25 in a bridge which thereby adjustably determines a dead band in the response. Alternatively, the detector may comprise two narrow light beams, adjustably positioned for the dead band Fig.4 (not shown) or a feeler having a switch contact associated with fixed arcuate contacts or resistors spaced apart or overlapping for the dead band Figs.2, 3 (not shown).
Patent GB-1135354-A (GB)
Title: Preparation of uricase
IPC: C12N9/06
Filed: 1967-02-02
Abstract: 1,135,354. Uricase. TOYO BOSEKI K.K. 2 Feb., 1967 [2 Feb., 1966], No. 5201/67. Heading C3H. A process for preparing uricase comprises immersing uricase-containing yeast cells in a first aqueous solution of an inorganic salt or salts of ionic strength greater than 2 and pH 3 to 8 at a temperature below 15‹ C. and then extracting the cells with a second aqueous solution of an inorganic or organic salt or salts of ionic strength less than 1 and pH 7 to 11 at a temperature below 15‹ C. The yeast may be Candida utilis; it may be induced to produce uricase by adding glucose and uric acid to the culture medium. The salts used in the two solutions may be the same or different and may be ammonium or sodium sulphate; ammonium, sodium, potassium, calcium or magnesium chloride; ammonium or sodium dihydrogen phosphate; or diammonium or disodium hydrogen phosphate. The second solution may merely be the product of dilution of the first with adjustment of pH or the yeast cells may be water-washed between the two treatments. The uricase may finally be salted out.
Patent GB-883563-A (GB)
Title: Improvements in position measuring transformer
Filed: 1958-02-18
Abstract: 883,563. Transformers. INDUCTOSYN Ltd. Feb. 18, 1958 [May 13, 1957], No. 5210/58. Class 38 (2). In a linear position measuring transformer comprising a fixed member 22 carrying a winding formed of a number of groups of deposited conductors connected in series and a movable member 23 carrying two windings in phase quadrature each formed of alternate groups of depositied conductors such as 30, 31, 32, 33 as described in Specification 801,516, the conductor groups of the two-phase winding are arranged symmetrically about a common centre line CL (Fig. 2). They are connected in the sequences 1, 7, 10, 16, 14, 12, 5, 3 and 2, 8, 11, 13, 15, 9, 6, 4 which differ in some respects from the sequences of connection described in Specification 882,930. The conductor groups are spaced as shown at the top of Fig. 2.
Patent GB-989332-A (GB)
Title: Process for the preparation of n-(5-nitrofurfurylidene)-aminohydantoin
IPC: G21C9/00
Filed: 1964-02-07
Abstract: N - (51 - nitrofurfurylidene) - 1 - amino - hydantoin is prepared by reacting 5-nitrofurfuralhydrazone with a haloacetyl compound of the formula Hal-CH2CO-X, in which Hal is a halogen atom and X signifies an isocyanate group or a residue convertible into an isocyanate group under the reaction conditions, with the use of an agent for splitting off hydrogen halide. Compounds which may be converted into a haloacetyl isocyanate under the reaction conditions are the corresponding carbamic acid halides, urethanes or thiourethanes, and ureas or their reactive substitution products.  When a haloacetyl isocyanate is used there is first formed a 5-nitrofurfural-4-haloacetyl semicarbazone which, if desired, may be isolated and subsequently converted to the hydantoin derivative; in this case it is preferable to add the agent for splitting off hydrogen halide at the cyclising stage. Specifications 757,822 and 876,573 are referred to.
Patent GB-196440-A (GB)
Title: Improvements in hand mirrors and the like
IPC: A45D42/04
Filed: 1922-02-23
Abstract: 196,440. Mayer, P. Feb. 23, 1922. Stud-and-slot fastenings; catches, automatic.- A fastening for a three-faced mirror as shown in the Figure comprises a hook 18 on the face 3 passing through holes 17, 19 in the faces 1, 2 and engaging a spring-pressed cleat 13, which is released by pulling the ring 12, to which it is connected by bars 6, 7, 8 pivoted together at 9.
Patent GB-355214-A (GB)
Title: Improved manufacture of lubricating oils
IPC: C10G57/02
Filed: 1930-02-18
Abstract: Lubricating oils are obtained by cracking hydrocarbons consisting of not less than 30 per cent of hydrocarbon wax, and polymerizing the product, or fractions thereof, in presence of a polymerizing agent. Suitably, paraffin wax, slop wax, ozokerite, slack wax, or sweat oil is cracked substantially as vapour at 750-1100 DEG  F. at atmospheric pressure or pressures below or above 100 lb., and one or more wax-free fractions up to an end point of 500 DEG  F. are agitated at 100-250 DEG  F. for 3-50 hours in presence of 0.5-4.0 per cent of aluminium chloride.  Most of the sludge is removed by settling and decantation; the remainder by filtering with clay fines or other adsorbemt, or by prolonged settling, e.g. 48 hours at 100-150 DEG  F. The oil may be neutralized by a 5-10 per cent solution of caustic soda, and freed from light oils and naphtha by distillation.  The product may be fractioned to yield oils of desired viscosity.  The aluminium chloride sludge may be used to polymerize fresh oil wholly or in part.  In an example, slack wax or sweat oil from Midcontinent oil is vaporized, and the vapours are passed at atmospheric pressure through a continuous pipe still or a pipe still and digesting chamber at 900-980 DEG  F.  The vapours are freed from base and fractionally condensed, condensate above 500 DEG  F. being mixed with raw material for cracking.  The distillate up to 500 DEG  F. is mixed with 1-3 per cent of aluminium chloride, and agitated at 210 DEG  F. for 18 hours, Specification 141,753, [Class 91, Oils &c.], is referred to.
Patent GB-1442251-A (GB)
Title: Method and apparatus for splicing ribbon segments
IPC: B29C65/78
Filed: 1974-02-06
Abstract: 1442251 Seaming non-metallic sheet material SCM CORP 6 Feb 1974 [2 March 1973] 05442/74 Heading B5K Ribbon segments 70, 72 made from heat fusible material are spliced by locating these segments in proper relationship for splicing, tensioning at least one of the segments, and splicing the segments while said at least one ribbon segment remains tensioned. Ribbon splicing apparatus, Fig. 1, comprises a bed 12, and an upper plate 14 connected to an ultrasonic welding unit 16 by bolts 18. The unit 16 comprises a vertically movable carrier 22 having an acoustic horn 24 with a working blade 26. The plate 14 is connected to the bed 12 by guides 28, 30 including vibration isolating apparatus so that the plate 14, although vertically movable, does not transmit vibrations between the plate 14 and the bed 12. The bed 12 is fastened to a fixed surface preferably with a pad (not shown) therebetween. Ribbonpositioning grooves 52 are arranged in an X- pattern on the bed 12 and converge on a well 54 therein. An anvil plate 56 is secured in the well 54 and has an anvil 60 bisecting the angle of intersection of the grooves 52. In operation, the segments 70, 72 are placed in the grooves 52 to cross at an angle over the anvil 60. The carriage 22 and the plate 14 move downwardly so that spring-urged pressure pads 64 coact with enlargements 62 in the grooves 52 to hold the segments 70, 72 in these grooves. Upon continued downward movement, spring urged tensioning feet 68 force portions of the segments into cavities 66 to tension these segments. The horn 24 moves downwardly until its blade 26 presses the overlapping segments 70, 72 against the anvil and it is then ultrasonically vibrated to effect welding. Simultaneously, the segments are severed along the weld line 86, Fig. 4, to form two V-shaped segments which are unfolded to form a straight ribbon having a splice at approximately 30 degrees to the parallel sides thereof. The ribbon may be a typewriter ribbon or a film or tape.