baber/WOPTO huggingface dataset:
Patent GB-212419-A (GB)
Title: Method of manufacturing a porous material from portland cement
IPC: C04B28/04
Filed: 1923-03-13
Abstract: 212,419. Eriksson, J. A. March 13, 1923. Porous concretes.-A composition for making blocks &c. of cellular structure consists of Portland cement, " slate-lime" (a mixture of calcined slate and lime), and a powdered metal, such as zinc or aluminium, capable of generating gas in the presence of water. The water used for mixing is preferably heated to 25-40‹ C. To accelerate hardening, substances such as sodium carbonate, gypsum, or " ciment fondu " may be added.
Patent GB-1526572-A (GB)
Title: Electrical speed measuring apparatus
IPC: G01P3/489
Filed: 1977-02-23
Abstract: 1526572 Measuring speed electronically TRAFFIC SAFETY SYSTEMS Ltd 23 Feb 1977 [24 Feb 1976] 07276/76 Heading G4D  Odometer pulses are accumulated in a counter 4, the resultant count is passed to an arithmetic unit 1 and multiplied by a calibration factor set on manual switches 8, the resultant value representing distance travelled is returned to the counter and displayed at 7; time pulses are accumulated in another counter 5, the values in counters 4, 5 are passed again to the arithmetic unit which divides one by the other to arrive at the speed which is then passed to the display 7. The system is employed in an apparatus as disclosed in Specification 1,290,051 for measuring the speed of one vehicle from another moving vehicle.
Patent GB-109951-A (GB)
Title: Cement Paint.
Inventor: LAURIE KENNETH SMALE
IPC: C04B24/36
Filed: 1917-05-22
Abstract: 109,951. Laurie, K. S. May 22, 1917. Paints consist of Portland cement, linseed oil, and a liquid hydrocarbon of the petroleum series such as petrol. Coloured earths may be added.
Patent GB-702250-A (GB)
Title: Resilient mounting structure
IPC: F25D23/00
Filed: 1952-03-12
Abstract: 702,250. Resilient mountings. MOTOR PRODUCTS CORPORATION. March 12, 1952 [April 16, 1951], No. 7350/53. Divided out of 702,244, [Group XIII]. Class 108(3) [Also in Group XXIV] A resilient supporting device for mechanism such as the motor-compressor unit of a refrigerator comprises a tubular rubber grommet 28 having an external annular groove which receives the portion of a fixed support 24 around an opening 26. A plate 18 attached to the mechanism to be supported is clamped on to the top surface of the grommet 28 by means of a nut and bolt 42, 40, the head of the latter bearing on a washer 38 which in turn bears on a tubular spacer 36 within a hole in the grommet. This spacer limits the compression of the grommet between the supported plate 18 and the washer 38. The upper part of the hole in the grommet is enlarged at 34 and the exterior at 32 may be of greater diameter than at 30. A cage member 44 may surround the nut 42 and engage a non-circular opening 20 in the plate 18 by means of hooks 46 for holding the nut in position during assembly.
Patent GB-511982-A (GB)
Title: Improvements in directional lighting fittings and their manufacture
IPC: F21V5/00
Filed: 1938-03-09
Abstract: 511,982. Jacketed illuminant globes. GENERAL ELECTRIC CO., Ltd., and BEGGS, S. S. March 9, 1938, No. 7391. [Class 75 (ii)] In a directional lighting fitting comprising an illuminant globe formed of inner and outer glass members 1, 2, having refracting or reflecting elements 3, 4, on one or both, the members are formed with interfitting frusto-conical rims 6, 6<1> not necessarily in alignment but of the same apical angle. The frusto-conical surfaces may be ground, after moulding, against standard cones.
Patent GB-476674-A (GB)
Title: Improvements in or relating to artificial teeth
IPC: A61C13/00
Filed: 1936-03-12
Abstract: 476,674. Artificial teeth. DENTISTS' SUPPLY CO. OF NEW YORK. March 12, 1936, No. 7495. Convention date, Jan. 14. [Class 81 (ii)] Artificial teeth having facets as described in Specification 249,089, [Class 81 (ii)], are modified so that the various protrusive facets decrease in angulation posteriorly-anteriorly. The lateral facets have their angulations correspondingly lowered. The primordial form from which the teeth are cut is carved, as described in Specification 249,089, by means of knives set on an articulator, which, in contradistinction from that described in Specification 10552/11, [Class 81 (ii)], must have an incisal table of a less steep angulation than the condyle angulation and preferably has an adjustable incisal table. The major parts of the facets may be cut away, while retaining substantially the perimeters thereof as described in Specification 469,144. The Figure shows a set of teeth with facet angulations in accordance with the invention.
Patent GB-841057-A (GB)
Title: Manure spreaders
IPC: A01C3/06
Filed: 1959-03-04
Abstract: 841,057. Manure spreaders. SPERRY RAND CORPORATION. March 4, 1959 [March 12, 1958], No. 7540/59. Class 6(1). In a manure spreader comprising an endless conveyer 15 which feeds manure to a rotary beater 25 at the rear of body 11, gear means are provided to move the conveyer at a high speed to clean out the last remains of a load. As shown the conveyer 15 is moved intermittently for normal discharge of the load by means of a crank 32 on the beater shaft 26 which operates a pawl 36 which co-operates with a ratchet wheel 38. A sprocket wheel 46 is mounted at the opposite end of the shaft 20 and is driven by a sprocket wheel 45 on the shaft 26. The sprocket 45 may be clutched to the shaft 26 by the operation of a cable 66 which operates on arm 64.
Patent GB-856375-A (GB)
Title: Improvements in pressurized seal and/or air bearing
IPC: F16C32/06
Filed: 1958-03-10
Abstract: 856,375. Fluid bearings. GENERAL ELECTRIC CO. March 10, 1958 [March 25, 1957], No. 7581/58. Class 12 (1). [Also in Group XXVI] A pressurized air bearing between relatively rotatable members such as the rotor 13, Fig. 2, and casing 10 of a turbine or compressor is formed by supplying high-pressure air to a chamber 19 constituted by a compartmented element 15, 16 mounted on one or other of the members. As shown, the compartmented element, of thin sheet-metal, is in the form of an annular channel 15 mounted within one or more additional channels 16, and is secured such as by welding, to the tips of the blades 20 of the rotor 13 so that it extends into a recess 11 to within a small clearance of the wall of the casing. If sufficient high-pressure air is supplied through a pipe 17, which may be located in the rotor 13 or in the casing 10, as shown, an air bearing may thereby be formed which enables the normal bearing for supporting the rotor shaft to be dispensed with. The channel elements 15, 16 may be replaced by a honeycomb-type structure 21, Fig. 3.
Patent GB-690697-A (GB)
Title: Improvements relating to a process and means for improving the transverse strength of tubes produced under pressure by ring-shaped nozzles
IPC: B29C48/10
Filed: 1949-03-21
Abstract: <PICT:0690697/IV (a)/1> A fibrous plastic mass of animal or vegetable origin is extruded from an annular nozzle inside which it is pressed through annular channels of increasing diameters and expanded in a transverse direction before extrusion as an artificial tube.  The mass may be shaped initially in the extrusion device in a cylindrical portion having an annular channel of small diameter and expanded in a further annular channel of larger diameter.  Advantageously the distance between the walls of this further channel may be gradually increased.  The further portion of the annular channel may have the shape of a frustum of a cone or may be dome-shaped. As shown, the extrusion device may be formed from two bodies 1 and 2 provided with a central bore and joined together by threaded engagement.  A core 3 of smaller diameter is arranged within the bore and is secured by a thread and nut to body 2.  Adjusting screws 5 maintain the core centrally, thus forming a cylindrical channel 6.  A forked pipe 11 supplies the plastic material through channels 7, 8, 9 and 10 (formed by grooves in one body and walls in the other) to the cylindrical channel 6.  A hemi-spherical dome-shaped member 15 is secured to body member 1 and forms with the dome-shaped member 12, which is attached to the core 3, the extension of the annular channel 6.  This gap 16 may increase in width as it approaches the extrusion orifice.
Patent GB-697753-A (GB)
Title: Improvements in or relating to combined exhaust and induction systems for internal combustion engines
IPC: F02M1/00
Filed: 1951-04-02
Abstract: 697,753. Treating charge; vaporisers. ALLDAY, G. J. April 2, 1952 [April,2, 1951], No. 7619/51. Classes 7 (ii) and 7 (iii) A combined exhaust and induction system having a hotspot pocket 59, Fig. 4, projecting into an induction pipe 51 extending through a chamber 50 'fed from passages 54, 55, 56 . with exhaust gases part of which are directed into the pocket by means such as a casing 93 communicating by nozzles 96, 97 with the passages 55, 56 and by a nozzle 98 with the pocket, has the directing means and pocket removable via a chamber wall opening having a cover 92. As shown, the casing 93 is attached by webs 94 to the cover 92 but it may be separate therefrom and supported by the nozzles 96; 97 fitting into the passages 55, 56. The pocket 59 is of material of high heat-conductance and has cast integrally therewith a socket 100 for the control thermostat of a bi-fuel carburetter (not shown) attached to an opening 58 of the pipe 51'and feeding therethrough passages 53 each communicating with two cylinder head block inlet passages. The exhaust 'gases leave the chamber 50 by an outlet 66. In a modification, the directiiig means is a scoop 61, Fig, 3, formed integrally with the pocket 59 and having a mouth loosely or closely fitting the passage 56, directly beneath which the pocket and opening 58 are situated. One or more apertures 63 allow the gases to escape from the pocket. A thermostat socket 70 is provided. In a further modification, adjacent central exhaust passages 73, Fig. 8, converge to a cowl 84 over, and directing the exhaust gases into, the pocket 81. The cowl 84' is, attached to a cover 85 only by a web 92 so that the exhaust gases can circulate over the cowl. A thermostat socket 89, and a passage 91 through which oil fumes from the engine valve cover can be drawn, are provided. In this embodiment, each end of the induction pipe itself divides into two passages. According to the Provisional Specification, the system may be used with an agricultural tractor engine and the lower part of the chamber may have a cooling jacket. Specification 657,990 is referred to.
Patent GB-647284-A (GB)
Title: Improvements in or relating to miniature railways
IPC: A63H19/00
Filed: 1948-03-12
Abstract: 647,284. Magnetic toys. JOYCE, J. A. March 12, 1948, No. 7632. [Class 132 (iii)] A magnetic toy simulating a miniature railway set in which the vehicles are supported on a miniature track and in which the propulsion of the vehicles is effected by magnetic forces between a travelling member and a part of, or carried by a, vehicle, is characterized in that the travelling member moves beneath the supporting surface for the track and is mounted on the track support and is mechanically propelled along a fixed guide-path parallel to the track. The guide for the travelling member may comprise one or more rails or channels underneath the track support which is made of non-magnetic material. The travelling member may be a permanent or electromagnet, and mounted in a carriage driven by an electric or clockwork motor along the guide or may itself be an axle connected to wheels driven along the guide. The locomotive or a truck may be of magnetisable material or may carry a magnetisable member. Alternatively the magnet may be carried by the locomotive or truck and the travelling member be of magnetisable but non- magnetised material, or both members may be magnets. As shown two circular tracks 1, 2 are provided on a support 3 of non-magnetic material, and trains 4 and 5 are arranged to travel on these tracks in opposite directions by attraction between magnets 7 beneath the support and magnetisable parts 8 carried by the locomotives. The magnets 7 are carried on radially extending arms 9 secured to sleeves 10 rotatably mounted on a central cylindrical column 11 integral with the support. The column is concentric with the tracks and at its base broadens out into a foot 19 upon which an electric motor 18 is secured. The sleeves 10 terminate at their lower ends.in pulleys 12, 13 connected by rubber bands 14, 15 to pulleys 16, 17 secured to the driving shaft of the motor 18. These bands 14, 15 are arranged so as to cause one arm 9 to rotate in a direction opposite to that in which the other rotates. The mechanism beneath the support may be concealed by a wall if desired. The motor is controlled by a reversing switch and a variable resistance.
Patent GB-512154-A (GB)
Title: Improvements in luminescent materials
IPC: C09K11/08
Filed: 1938-03-11
Abstract: 512,154. Glass manufacture. GENERAL ELECTRIC CO., Ltd. (Patent-Treuhand-Ges. fur Elektrische Gluhlampen). March 11, 1938, Nos. 7639, 34376 and 36685. [Class 56] [Also in Group XL] Luminescent materials for electric discharge lamps consist of a matrix comprising the borate and/or phosphate of one or more of Li, Na, K, Rb, Cs, Be, Mg, Zn, Cd, Ca, Sr, Ba, Al and La with an activator consisting of the borate and/or phosphate of -Ag, Tl, Sn, Pb, Ce, or Sb, more than three molecular per cent. of the material being formed by the activator. The colour obtained by different mixtures is set out in a table. Manganese may be added as an activator to give orange-red or red light. When manganese is used, up to 50 per cent. of the borate or phosphate radical in the material may be replaced by a silicate radical with change of colour towards yellow. The material may be prepared by heating the component borate and/or phosphates, the activators being introduced as borates or phosphates; or the metals may be introduced as oxides, carbonates or oxalates and converted by phosphoric or boric acid or ammonium phosphate. The material may be melted together or sintered and the salts may be present as metaborates or metaphosphates. If the materials are melted and obtained in crystalline or vitreous form the phosphate or borate radical should be in proportion greater than corresponding to metaphosphate or metaborate. Specifications 460,210 and 476,945 are referred to. According to the first Provisional Specification the matrix may consist of the phosphate and/or borate of any metal in the first three groups of the periodic table.
Patent GB-965013-A (GB)
Title: Improved safety equipment for electrical switching stations
Inventor: HILLYER CECIL ALFRED CHARLES
IPC: H02B11/20
Filed: 1962-02-27
Abstract: 965,013. Switchgear structures. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. March 20, 1963 [Feb. 27, 1962], No. 7647/62. Heading H2B. In an electric switching station containing shrouded live contacts 3, 4 connectible, by a traversible circuit-breaker 5, to each other or to unshrouded earth contacts 1, 2, the shrouds 3a, 4a have openings provided with shutters 6, 7 movable into positions in the vicinity of the unshrouded contacts 1, 2 by a mechanism controlled by movement of the circuit-breaker. The mechanism may consist of a square or triangular section rod, a twisted end of which engages a similar shaped aperture on part of the circuit-breaker so as to be rotated when the circuit-breaker is moved to engage the contacts, the other end of the rod operating a linkage to remove the shutters 6, 7 to the appropriate positions.
Patent GB-325405-A (GB)
Title: Improvements in or relating to crutches for forks, spades, shovels and the like
IPC: B25G3/02
Filed: 1929-03-08
Abstract: 325,405. Mountford, P., and Mountford & Co., Ltd., P. March 8, 1929. No Patent granted (Sealing fee not paid). T-shaped handles. - The cross handle 3 of forks, spades, shovels &c. engages in a radiused recess in the upper end of the shaft 1 and is secured thereto by means of a pair of metal members 4 curved to embrace the end of the shaft and centre of the cross handle and secured by rivets 5, 8.
Patent GB-277239-A (GB)
Title: Improvements in neck-tie holders
IPC: A41B3/12
Filed: 1927-03-21
Abstract: 277,239. Letts, W. S. March 21, 1927. Necktie -retainers.-A necktieretainer comprises a J-shaped strip of metal or other material, the longer limb of which is bent down within the shorter limb to form a loop A<4> in which the tie may slide. The shorter limb is turned out at A<3> to engage beneath the collar. The device is placed at the back of the collar near the collar-stud.
Patent GB-630911-A (GB)
Title: Improvements in and relating to liquid compositions
IPC: C08G77/12
Filed: 1947-03-20
Abstract: Liquids suitable for use as lubricants are obtained by hydrolysing by concentrated aqueous HCl, a mixture of trimethylchlorosilane and methyldichlorosilane in the proportions of 0.40-0.46 mols. of the former to 1 mol. of the latter to obtain linear methyl polysiloxanes of the general formula <FORM:0630911/IV (a)/1> where n is an integer of average value of at least 5, e.g. up to 500, separating the oily phase from the aqueous acid phase and purifying the oil obtained. The corresponding bromosilanes may replace the chlorosilanes.  The oil may be used in admixture with (1) liquid cyclic methylpolysiloxane of the formula [(CH3)2SiO]x where x is a whole number greater than 10; (2) a liquid mixture of polysiloxanes of formula (CH3)2a+2SiaOa-1 where a is at least 3, as described in Specification 586,187.  In examples: (1) a mixture of 115 g. methyldichlorosilane and 2.5 g. trimethchlorosilane is run into 250 cc. cold concentrated HCl and stirring was continued for 2 hours at 1-6 DEG  C., whereupon the oily layer was separated, washed, centrifuged and filtered to give an oil of 108 centistokes viscosity at 100 DEG  F.; (2) describes similar treatment of a mixture of 0.70 mole methyldichlorosilane and 0.043 mole trimethyl chlorosilane and 35 cc. conc. HCl (35 per cent).
Patent GB-338829-A (GB)
Title: Improvements in exhibition benches for displaying animals at dog shows and the like
IPC: A47F3/14
Filed: 1930-03-10
Abstract: 338,829. Spratt's Patent, Ltd., (Hartmann, A.). March 10, 1930. Poultry houses.-An exhibition bench comprises floor boards 10, skirting boards 22, and back-boards 12, held together by a plurality of adjustable partitons 13. The latter comprise a wire framework 14, 15, 16, covered with wire mesh. A hook 18 engages the top of the back board 12, and a wire projection 19 passes into holes 17 in the floor boards 10. Another wire projection 21 from the offset portion 24 of the partition 13 passes through a hole 23 in the skirting board 22, and thence into another hole 20 in the floor board 10. The holes 23 in the skirting-board 22 and those 20 in the floor boards are arranged in alignment. The holes 20 and the holes 17 are spaced at convenient distances apart -such as 5 ins.-in parallel lines. The floor boards rest on wooden horses 11.
Patent GB-960216-A (GB)
Title: Improvements in or relating to refractometers
IPC: G01N21/41
Filed: 1960-03-04
Abstract: 960,216. Refractometers. G. V. JEFFREYS. March 6, 1961 [March 4, 1960], No. 7853/60. Heading G2J. In the refractometer collimated light passes through a refraction cell to an observing telescope, the cell being rotatable within a sample chamber through which passes the liquid or fluid under test. The chamber is formed for mounting in a pipe line extending perpendicularly to the collimated beam and the rotation of the cell necessary to cut off the light beam is measured to give the refractive index or composition of the test liquid or fluid. As shown, light from a slit SL is collimated by lens CL before passing through the glass wall W of a sample chamber F mounted in a liquid pipe line and containing an air cell C carried by a shaft G which is geared at H for rotation from outside the chamber, by a handle K and carries an arm J supporting a vernier scale B movable selectively to a fixed scale A. The light refracted by cell C passes out of the chamber to a telescope having a graticule CW and eyepiece EY.
Patent GB-982178-A (GB)
Title: Automatic frequency control system
IPC: H03J7/04
Filed: 1961-03-06
Abstract: 982,178. Automatic frequency control. L. R. KAHN. March 6, 1961, No. 8133/61. Heading H3A. In a system for controlling the frequency of an oscillator 202 in e.g. an F.M. transmitter, a part of the oscillator output is applied, with a signal from reference source 206 at the required oscillator frequency, to a mixer-amplitude limiter 205 which supplies an output having a frequency which deviates in short bursts to either side of the reference frequency in dependence on whether the oscillator frequency is above or below the reference and at a rate dependent on the difference between the oscillator and reference frequencies and this output is applied to discriminator 209 to provide positive or negative output pulses to control the oscillator frequency. The output is applied via positive or negative gates 211, 212 to counters 213, 214 and a voltage which is a function of the difference in the positive and negative counts is obtained from a summation circuit coupled to the output of the two counters. This voltage is applied via a low-pass filter 218 to a correction reactance tube 220 coupled to the oscillator circuit. In a second arrangement for controlling the I.F. of a single side band receiver the counters are omitted in a circuit controlling the frequency of one of the receiver local oscillators.
Patent GB-1421590-A (GB)
Title: Multioperation rotary-motion machine tool
IPC: B23Q41/00
Filed: 1973-02-19
Abstract: 1421590 Multi-operation machine tools; pressing; stamping VYSKUNNY USTAV MECHANIZACIE A AUTOMATIZACIE 19 Feb 1973 [21 Feb 1972] 8138/73 Headings B3T B3B B3Q and B3H A multiple operation rotary machine tool capable of performing such operations as pressing, drawing, turning and drilling comprises a frame 3 which carries a rotor 5 located within upper and lower sleeve members 2 and 1 respectively which are non-rotatably secured to the frame, a plurality of tool slides 14 are slidably mounted in the upper part of the rotor 5 each slide having a tool head 18 carrying a plurality of tools 19, a rotary indexable workpiece carrying device 9 is provided in the lower part of the rotor one device coaxial with each tool slide 14, each device 9 carrying a work clamping member 10 which clamps the workpiece in a position parallel and offset from the axis of rotation of the device 9. Each tool slide is provided with a roller 16 which engages in an annular cam 17 attached to the upper sleeve 2 so that controlled rotation of the rotor 5 causes sequential axial feed and return movements of the tool slides towards and away from the work supporting devices 9. The lower end of the device is constituted by a roller and slot mechanism 4, 24 which in conjunction with an annular cam and guide 25-31 causes indexing of the work supporting device 9 with rotation of the rotor 5. The work clamping device 11 also has a roller 12 which engages a cam ring 13 which upon rotation of the rotor causes axial displacement of the clamp 11 on a guide 10 to grip a workpiece 20. The operation of the machine tool is effected by rotation of the rotor which causes simultaneous sequential feeding of the tool carrying slides and indexing of the work supporting devices 9 to facilitate simultaneous machining of a plurality of workpieces by a succession of tools mounted on the tool heads 18 whereby such operations as turning, boring, pressing, drawing etc. can be performed in one cycle of operation on one machine tool.