baber/WOPTO huggingface dataset:
Patent GB-653482-A (GB)
Title: Improvements in or relating to snap-action electric switches
IPC: H01H23/12
Filed: 1948-09-09
Abstract: 653,482. Snap-action switches. PHILIPS ELECTRICAL, Ltd. Sept. 9, 1948, No. 23719. Convention date, Sept. 12, 1947. [Class 38(v)] A dead-centre, snap-action switch comprises a blade-spring 3 pivoted between a fixed point 7 and a notch 5 in a doubleended operating lever 2, which is pivoted at 11 and held in its extreme positions by the spring. The latter is movable between a fixed contact 8 and a stop 10 in the lever 2. The pivot 11 is formed by apertured lugs 15 on the lever 2 fitting over inturned parts 13 on a metal lining 12 carrying the pivot 7. The casing has ribs (not shown), on its outer ends for mounting in a plate.
Patent GB-170976-A (GB)
Title: Improvements in fog signalling direct from signal box to the cab of the engine
IPC: B61L3/04
Filed: 1920-08-14
Abstract: 170,976. Sharp, J., and Sharp J. W. Aug. 14,1920. Track apparatus actuating signals on trains and for stopping trains.-Signals on the locomotive or brake valves may be operated by a rod a<2> which is operated by suitable links when a roller d engages a track contact. The roller d may be supported on toggle levers d<1> as shown or may slide vertically in guides. The signal may be a disc released for operation by a spring. The track contact comprises an inclined plane c in the form of a box lid pivoted at one end and raised and lowered by an arrangement of levers b<1>, b<3> and held up by toggle-links b<4>. The lever b<1> is clamped to the signal wire d and operated thereby. The pivoted end of the member c is spring supported and counterweighted.
Patent GB-203886-A (GB)
Title: Improved process for purifying water
IPC: C02F5/02
Filed: 1922-09-01
Abstract: 203,886. Herrero, P. Sept. 1, 1922. Purifying liquids.-In a process for the purification of water by the use of barium bi-carbonate in solution, the water is saturated with carbondi-oxide, and is kept in a state of agitation whilst finely ground barium carbonate is added in small quantities at a time until the sulphates present are all precipitated as barium sulphate. The resulting bi-carbonates and any excess of reagent are removed by Clark's process. Reference has been directed by the Comptrollerto Specification 20591/08.
Patent GB-1394034-A (GB)
Title: Mouth and teeth care means for the prevention of tartar  formation
IPC: C07F9/38
Filed: 1973-05-18
Abstract: 1394034 Mouth and teeth care agents HENKEL & CIE GmbH 18 May 1973 [19 May 1972] 23760/73 Heading A5B A mouth or teeth care agent has a content of 0.01 to 10% by weight of at least one compound of the general formula in which R 1  and/or R 2  represent the residues -CH 2 -CH 2 OH, -CH 2 -COOH or -CH 2 - PO 3 H 2 , and R 1  and R 2  may be the same or different, or a physiologically acceptable salt of the compound as the active substance, and' at least one carrier, and the pH value of the agent is 5.0 to 9.0. The agents may be in the form of mouthwashes which may also contain hydrogen peroxide or chlorthymol.
Patent GB-617071-A (GB)
Title: Improvements in or relating to foam forming solutions
IPC: A62D1/02
Filed: 1945-09-14
Abstract: Aqueous solutions of foam compounds of the type prepared by the hydrolysis of proteins and containing less than 10 per cent by weight of such compounds are preserved by the incorporation of a small proportion, say, 1 to 3 per cent by weight, of an alkali metal salt of phthalic acid.  Improved effects are obtained when the solution is adjusted to a pH value of 6; this may be achieved without addition of acid by using an alkali metal hydrogen phthalate, for example, 10 grams of sodium hydrogen phthalate per litre of foam solution.  The Provisional Specification describes the use, as preservative, of a small proportion of a compound formed from a strong alkali and a weak acid such as sodium, potassium and ammonium acetates, phthalates and benzoates and less desirably, citrates, but states that the borates and phosphates are not suitable.  A buffering mixture of sodium acetate and glacial acetic acid may be used.  Reference is made to the formation of the preservative in the foam compound itself by using a weak acid to neutralize the alkali employed in the production of the foam compound.ALSO:Aqueous solutions of foam compounds of the type prepared by the hydrolysis of proteins and containing less than 10 per cent by weight of such compounds are preserved by the incorporation of a small proportion, say, 1 to 3 per cent by weight, of an alkali metal salt of phthalic acid.  Improved effects are obtained when the solution is adjusted to a pH value of 6; this may be achieved without addition of acid by using an alkali metal hydrogen phthalate, for example, 10 grams of sodium hydrogen phthalate per litre of foam solution.  The Provisional Specification describes the use, as preservative, of a small proportion of a compound formed from a strong alkali and a weak acid such as sodium, potassium and ammonium acetates, phthalates and benzoates and less desirably, citrates, but states that the borates and phosphates are not suitable.  A buffering mixture of sodium acetate and glacial acetic acid may be used.  Reference is made to the formation of the preservative in the foam compound itself by using a weak acid to neutralize the alkali employed in the production of the foam compound.
Patent GB-302296-A (GB)
Title: Improvements in liquid supply devices for electric batteries
IPC: H01M50/609
Filed: 1927-09-09
Abstract: 302,296. Sartakoff, J. D. Sept. 9, 1927. Levels, regulating.-An arrangement for maintaining the level of electrolyte in storage batteries has a supply tank 10 suitably mounted on a vehicle 13 and provided with a normally seated valve 20 adapted to be unseated by vibration; the unseating is aided by the provision on the valve stem 18 of vanes 17 acted on by movement of liquid in tank 10. The liquid passes by pipes 26, 39 through " capillary " valves 27, one of which is provided on each cell &c. to be supplied. The valves are mounted at successively decreasing heights, as shown, by means of distance-pieces 28, 29. Each valve comprises an upstanding seat 34 surrounded by an annular channel 41 communicating with inlet and outlet ports, to which pipes 26, 39 are secured, the outlet port 83 of the last valve of the series being connected to an overflow pipe 40. Normally, each valve 35, in the form of a cap co-operating with the seating, and mounted on a stem 36, is maintained unseated, when the liquid in the cell is at a predetermined level, by a float 37. Under normal conditions liquid discharged from tank 10 passes through the annular valve channels 41 to the pipe 40, and when the liquid in a cell falls below normal level, the corresponding valve seats, and liquid is then drawn by capillarity from the annular channel through the space between the valve and its seat over the upper edge of the seat and down past the stem of the valve into the cell. Acid fumes from the cell are stated to condense in channel 41 and be returned to the cell with the liquid. Fig. 4 shows a modified form of valve for use in the tank 10 in which the valve seats in an upward direction by means of a float 55. This form is stated to give a more uniform supply to the cells under the varying head of liquid in tank 10. Tank 10 may be supplied in any suitable way. The Specification also describes a supply from the vaporization in the vehicle radiator, the vapour being condensed in tank 10 or in intermediate cooling chambers; alternatively the supply may be direct from the radiator, which is fitted with a valve such as 20.
Patent GB-715335-A (GB)
Title: Improvements in vehicle hydraulic driving means
IPC: B60K17/14
Filed: 1951-10-12
Abstract: 715,335. Hydraulic couplings ; fluid-pressure servomotor-control systems. KLATTE, T., [trading as KLATTE, T. (Firm of)]. Oct 12, 1951 [Oct. 24, 1950], No. 23832/51. Classes 69 (2) and 135. [Also in Group XXXV] In hydraulic driving means for a vehicle having the two wheels on an axle separately driven by individual hydraulic motors each wheel drives a direct electrical generator, the potential difference which occurs between the generators when there is a difference in speed between the wheels actuating magnetically operable means for controlling the hydraulic motors. As shown the wheels 1, 2 carried by the axle 3 are driven by the individual hydraulic motors 4 which are supplied with oil under pressure from a common pump (not shown). Each wheel drives its direct current generator 5, which may be in the form of the generators used in remote tachometers and the generators 5 are connected through rectifiers 7, 8 with magnetically operated valves 9, 10 which respectively control the admission of oil through pipes 11, 12 to, and the discharge from, hydraulic control valves (not shown) of the motors. The arrangement is such that if, for example, the speed of the wheel 1 is greater than that of the wheel 2, a potential difference is set up in leads 13, 14 which causes through the rectifiers 7, 8 only the valve 9 to be actuated and the hydraulic motor control valve of the wheel is brought into its neutral position. The generators may supply current for actuating a signal lamp or the like so that the vehicle driver is made aware of the fact that a wheel is slipping.
Patent GB-996700-A (GB)
Title: Improvements in methods of casting
Inventor: PASK WILLIAM JOHN
IPC: B22C9/00
Filed: 1964-06-10
Abstract: 996,700. Casting processes. FORD MOTOR CO. Ltd. June 10, 1964, No. 24010/64. Heading B3F. A method of casting a cylinder block of a V- type I.C. engine comprises locating the pattern 1 in the mould 2 with the crank-case portion uppermost in the cope 2a. The cylinder banks are positioned in the drag 2b, the axis of bank 1b being arranged normal to the base of the drag 2b. No cores are therefore required for the mould re-entrant portions between the crankcase and cylinder banks.
Patent GB-1131698-A (GB)
Title: Improvements in or relating to plate conveyors
IPC: B65G47/96
Filed: 1967-05-23
Abstract: 1,131,698. Endless conveyers. TOKYO SHIBAURA DENKI K.K. 23 May, 1967 [30 Sept., 1966], No. 24021/67. Heading B8A. [Also in Division C1] In a conveyer in a ribbon-type glass bulb blowing machine, glass blanks (not shown) are carried by respective plates 16 which are detachably connected to an endless chain 1, 2. Each link of the latter carries pivots 10 for a support member 11. The plate 16 is received by slots 12 in the latter and is locked in position by a spring-loaded tongue 15. Rails 5a, 6a and 7a support wheels 5, 6 and 7 carried by each chain link.
Patent GB-804493-A (GB)
Title: Improvements relating to floor cleaning or polishing machines
Inventor: COWLARD BERYL MARION
IPC: A47L11/40
Filed: 1955-08-22
Abstract: 804,493. Cleaning and polishing floors. BRITISH VACUUM CLEANER & ENGINEERING CO., Ltd. Nov. 12, 1956 [Aug. 22, 1955], No. 24109/55. Class 138(1). In a machine for cleaning or polishing floors comprising a body mounted on wheels or castors, and one or more power-driven working members such as brushes or polishing pads mounted to oscillate, rotate or circulate about substantially vertical axes, the working member(s) is mounted on a subordinate frame or support 18 carrying a driving motor, and connected to the body of the machine by means whereby it can tilt relatively to said body to enable the working face(s) of the working member(s) to accommodate itself to undulations or irregularities in the floor. Said means may permit tilting simultaneously about lateral and longitudinal axes of the machine. There may be means on the machine for varying the pressure exerted on the floor by the brushes. In the form shown the subordinate frame 18 is connected by one or more trailing links 25 (to tilt laterally), mounted on rods 24 of a further framework 22, itself connected to the body 10 at two positions 16, 17, lying in a substantially horizontal plane, at each of which is a barrel-shaped member 30 attached to a rod 24 and tiltable in its bracket 16 or 17. Thus the frame 22 can tilt about an axis longitudinal of the body 10. In each member 16 and 17 there is a pair of balls 34 in holes 32 adjoining a cylindrical bore therein, which act as trunnion-like members, each under the action of a spring 35, to engage with a circumferential groove 31 in the member 30. The frame 18 has three non-collinear brackets 26, 26, 29 on the upper surface thereof, the brackets 26 being connected to the links 25 and the third to the framework 22 by arms 27. Alternatively it may be connected to the body 10 by a number of coiled tension or leaf springs. By means of a cam lever 36 to which is pivotally connected an arm 37, pivotally connected to a bracket 38, the working face(s) of the working member(s) is raised off the floor. The cam lever 36 acts against a bar 39. A container 13 for cleansing or polishing substance (e.g. a detergent liquid) to be dispersed over the surface treated, may be supplied.
Patent GB-173263-A (GB)
Title: Improvements in apparatus for heating water in domestic fire places
IPC: F24C13/00
Filed: 1921-05-19
Abstract: 173,263. Wilson, I. May 19, 1921. Boilers, arrangement of.-A coil-tube boiler 2 is enclosed within a metal casing adapted to be walled into the brick work at the back of a fire-place, the inlet and outlet pipes extending on one side through the brick work. The perforated removable front 5 is held in position by a rim d on the bottom plate and a rim g on the detachable top plate 6. The coil 2 is supported by a cross bar 9.
Patent GB-257421-A (GB)
Title: Improvements in or relating to pipe couplings
IPC: F16L27/053
Filed: 1925-09-28
Abstract: 257,421. Fantz, F. C. Sept. 28, 1925. Ball - and - socket joints. - A joint between pipes 10, 13 having flanges 11, 14 at adjacent ends consists in forming said flanges with an arcuate concave and an arcuate convex contacting surface 12, 15 respectively, and also so that when the pipes are coupled they have a continuous inner pipe wall of uniform diameter. The flanges 11, 14 are held together by loose flanges 20, 21 each provided with a concave arcuate surface 18, 19 adapted to seat against convex surfaces 16, 17 respectively on the rear face of the pipe flanges, and either flange may be formed integral with the corresponding pipe. The mating surfaces 12, 15 of the pipe flanges are preferably of greater area than the cross-section of the pipe wall.
Patent GB-1009889-A (GB)
Title: Improvements in or relating to ground effect vehicles
Inventor: LATIMER-NEEDHAM CECIL HUGH
IPC: B60V1/00
Filed: 1963-06-18
Abstract: 1,009,889. Air cushion vehicles. WESTLAND AIRCRAFT Ltd. June 8, 1964 [June 18, 1963], No. 24135/63. Heading B7K. An air cushion vehicle comprises a platformlike base structure including an intake duct, blower means and engine means drivingly connected to said blower means, said blower means supplying pressurized air to the area under said base structure to build up and maintain the air cushion upon which the vehicle is supported, said air cushion being contained at least in part by two spaced sidewall members depending downwardly from said base structure on opposite sides of and extending in the direction of the longitudinal centre line of said base structure and at least two rotatably mounted roller means. The body 1 of the vehicle is provided with sidewalls 2, 3, which may be fixed or partially retractable, and between the sidewalls pivoted arms 11, 13 are urged forwardly by shock absorbers 12, 14. The arms respectively carry inflatable rollers 4, 5 which upon impact with an obstacle distort and may be moved rearwardly against the action of the shock absorbers. Flexible seals are provided between the ends of the rollers and the sidewalls and to provide further sealing the air for the cushion is delivered by fan 7 to elongated transverse slats 9, 10 to form air curtains. The slats may be formed in downward extensions of the air ducts and in the embodiment of Fig. 9 flexible nozzles 26, reinforced by flexible diaphragms 29, carry small inflatable rollers 27.
Patent GB-722377-A (GB)
Title: Improvements in motor vehicle bodies
IPC: B60Q1/02
Filed: 1952-09-26
Abstract: 722,377. Vehicle lamps. DAIMLER-BENZ AKT.-GES. Sept. 26, 1952 [Sept. 27, 1951]. No. 24220/52. Drawings to Specification. Class 75 (4). A motor vehicle body has'apertures of the same shape and dimensions at both front and rear for the reception of housings enclosing two or more lights such as headlights, reverse drive light, flashing light, parking light, tail light and stop light. The end faces of housings may be circular, pear shaped or pointed elliptical shape. When circular, a light is disposed in the centre and other lights are arranged in a circle around the central light. When pear shaped a light is disposed in the narrow end which is either directed upwards or outwardly of the vehicle. When pointed elliptical a light is disposed in each pointed end. Each housing may be divided by partitions.
Patent GB-263538-A (GB)
Title: Improvements in or relating to apparatus for stretching leather and the like
IPC: C14B1/26
Filed: 1925-09-29
Abstract: 263,538. Turner Tanning Machinery Co., Ltd., and Schettler, G. A. Sept. 29,1925. Stretching by tension.-In a frame for stretching leather the side clamps 10 are arranged in pairs the members of which are simultaneously moved away from each other by rotation of rods 5 the ends of which are provided with right- and left-handed screw threads engaging in correspondingly screwed nuts 8 adjacent the clamps. The rods 5 rotate in hollow bars 1 mounted in shoes 2 slidable on longitudinal stretcher bars 3. Each clamp, Fig. 3, comprises a sleeve 10 having integral therewith a serrated jaw 10<a>, a cooperating clamp plate 11, an eyebolt 12 sliding on the rod 5 and engaged by a nut 13, and a spring 14 which raises the plate 11 when the nut 13 is slackened. The clamps 17 in the end plates are also adjustable. The frames may be transported to a stretching machine by the carrier mechanism described in Specification 263,680.
Patent GB-467461-A (GB)
Title: Improvements in or relating to shoe stretchers, shoe trees and the like
IPC: A43D3/14
Filed: 1936-09-04
Abstract: 467,461. Shoe trees or stretchers. BEHRENS ALFELDER SCHUHLEISTEN FABRIKEN AKT.-GES., C., and MEYER, F. Sept. 4,1936, No. 24233. [Class 17 (iii)] A shoe tree or stretcher comprises a toe form or shell a to the inside or rear of which is attached a rearwardly extending spring f which presses downwardly on the insole of the shoe when the toe form is in the footwear and also forms a handle to facilitate its introduction in the shoe. The spring f may be secured inside the toe form at top or bottom, and an abutment may be provided by pressing against which, with the thumb, the spring may be stressed to facilitate insertion in the shoe. The spring may be bent to engage the rear edge of the toe form to hold the spring in stressed position ready for insertion in the shoe. A pad or pads d may be provided on the spring or other part of the stretcher.
Patent GB-366877-A (GB)
Title: Improvements in or relating to electrical gas cleaning apparatus
IPC: B03C3/51
Filed: 1931-08-29
Abstract: <PICT:0366877/III/1> <PICT:0366877/III/2> A collecting electrode with catch spaces, for electrical gas cleaners, consists of a plurality of section bars arranged in a plane with their flanges contacting. Preferably double T or H-section bars having wide flanges are used. Figs. 1 and 2 show modifications in which the flanges are arranged obliquely in relation to the web, and the section bars are inclined so that the dust slides down into a hopper without being whirled up by the gas current.
Patent GB-405367-A (GB)
Title: Improved means for securing electric insulators to supporting members
IPC: H02B1/18
Filed: 1932-09-01
Abstract: 405,367. Distribution boards. CALLENDER'S CABLE & CONSTRUCTION CO., Ltd., Hamilton House, Victoria Embankment, and BEWERS, H. C., 25, Smithies Road, Plumstead, both in London. Sept. 1, 1932, No. 24389. [Class 38 (v).] A distribution board comprises a series of panel or tablet type insulators arranged adjacent each other on a common support, alternate insulators being directly secured to the support, while the remaining insulators are held in position by engagement with the adjacent directly secured insulators. In the pillar feeder shown in Fig. 2, a multicore cable 4, having three power cores 5, a neutral 6, and a switch wire 7 is led into an elongated metal sealing chamber 1. The three power cores are connected to terminals 8 which pass through the front wall of the chamber and are insulated therefrom bv insulators 9 secured to the casing by screws 23. The neutral core 6 and switch wire 7 are similarly connected to terminals 10, 11 passing through directly-secured insulators 12, 13. The intermediate insulators 14, 19 and 22 carrying terminals 15, 18 and 21, which can be connected to the remaining terminals by detachable fuse carriers, are formed with lugs 33 which engage recesses in the adjacent insulators to hold the intermediate insulators in position. The uppermost insulator 14 is held in position by engagement with the adjacent insulator 9 and with a recess 34 on the end of the casing. The bus bars 16, 17, 20 are supported on the insulators 14, 19 and 22. In Fig. 8 is shown a board built up of fifteen insulator tablets in three vertical rows, in which the six tablets 1 only are directly secured to the supporting frame 2, the remaining tablets 4, 5 being held in position by the interengagement of their end surfaces with the end surfaces of adjacent insulators.
Patent GB-904971-A (GB)
Title: Manufacture of glass from vanadium pentoxide and potassium pyrosulphate
Inventor: RILEY HARRY LISTER
IPC: B01J23/22
Filed: 1960-07-13
Abstract: In a process for the production of glass, vanadium pentoxide is dissolved in molten potassium pyrosulphate in a molecular ratio of K2O:V2O5 bewteen 1:1 and 6:1 and the solution is allowed to cool and solidity.  The potassium pyrosulphate may be formed by heating together potassium sulphate and sulphuric acid and adding vanadium pentoxide thereto so as to provide a K2O : V2O5 ratio within the above range, heating the resulting solution between 350 DEG  and 400 DEG  C. to drive off any surplus sulphur trioxide and allowing the whole to cool to a solid glass, the latter being subsequently crushed to form catalyst particles.  The catalyst particles may be used in the oxidation of polynuclear aromatic compounds and especially the oxidation of napththalene to phthalic anhydride.  An example is given.
Patent GB-459804-A (GB)
Title: Improvements in and relating to cylinders for internal combustion engines
IPC: F02B69/02
Filed: 1935-09-03
Abstract: 459,804. Engines convertible for use with liquid or gaseous fuel. DAIMLERBENZ AKT.-GES., Unterturkheim, Stuttgart, Germany. Sept. 3, 1935, No. 24539. Convention date, Sept. 3, 1934. [Class 7 (ii)] To vary the compression ratio and enable an engine to be operated alternatively with liquid or gaseous fuel exchangeable parts are inserted in and removed from the wall of the combustion space from the outside. The combustion space is closed by a plug when the engine is operated with gaseous fuel and the plug is replaced by a fuel nozzle or nozzle insertion when the engine is operated by liquid fuel. Fig. 1 shows an oil engine having a precombustion chamber b which communicates with the cylinder through a narrow passage e<2> in an insertion e. When the engine is to be operated by wood gas admitted through the valve i, the insertion f carrying the fuel nozzle g and the heating plug i, used at starting are replaced by a plug l, Fig. 2, and a sparking- plug m and the insertion e is removed to leave a relatively wide passage k leading to the cylinder. The insertion f, which is in direct contact with the cooling water, may line only part of the precombustion chamber and may be retained in the head while the fuel nozzle is replaced by a plug.