baber/WOPTO huggingface dataset:
Patent GB-1001993-A (GB)
Title: Discharge heads for hand-operated fire extinguishers
Inventor: FEATHERS LEONARD JOHN
IPC: A62C13/00
Filed: 1963-05-29
Abstract: 1,001,993. Discharging liquids by gaseous pressure. PYRENE CO. Ltd. May 29, 1964 [May 29, 1963], No. 21501/63. Heading F1R. [Also in Division A5] A container 5 for fire extinguisher fluid under pressure has a discharge head 4 with a passage 9 communicating with a dip tube 7 and a bore 1. A valve member 2 is housed in the bore 1 and extends from one end to form an operating knob 13. A part 10 on the valve 2 normally closes the passage 9 and is flanked by sealing rings 17, 18. The valve 2 has an internal bore 11 open at one end to the bore 1 and at the other to a radial passage 12 which is flanked by the sealing ring 18 and a further ring 19. A spring 14 urges the valve into the position to close the passage 9, in which position the end of a slot 16 engages a crosspin 15. In the open position the other end of the slot 16 engages the pin and the passage 9 communicates with the passage 12. A safety collar 20 may be provided to prevent accidental operation. The valve 2 may be threaded in the board 1 and operated by turning the knob 13.
Patent GB-1460898-A (GB)
Title: Code modulation transmission system
IPC: H03M1/76
Filed: 1973-05-07
Abstract: 1460898 Delta pulse code modulation GENERAL ELECTRIC CO Ltd 7 May 1974 [7 May 1973] 21540/73 Heading H3H In delta pulse code modulation, the reference voltages 20 used in threshold circuits 16-19 of the A-D converter and in the D-A converter 29 are controlled in dependence on the time-average of the amplitude level of the difference signal to give an overall companding characteristic. As shown, the most significant bit of the digital difference signal is stepped through a four stage register 36, AND gate 37 giving an output only when the last four samples are "1"s, integrated at 38 and applied to control the references 20. The time constant of integrator 38 is comparable to the syllabic periods of the input (speech) signal. A receiver, Fig. 2 (not shown), is similar but the loop is open.
Patent GB-446254-A (GB)
Title: Improvements in or relating to television and like receivers
IPC: H04N5/74
Filed: 1934-07-23
Abstract: 446,254. Cathode-ray tubes. TELEFUNKEN GES. FUR DRAHTLOSE TELEGRAPHIE, 12, Hallesches Ufer, Berlin. July 23, 1934, No. 21554. Void [Abridged as open to inspection under Sect. 91 of the Acts, Jan. 28, 1935]. [Classes 39 (i) and 40 (iii)] The screen of a cathode-ray tube for television &c. reception comprises a substance having optical characteristics varied by the cathode-ray to control radiation from a local source and so produce the picture. Light from an arc lamp 9 and filter 13 passes successively through a condenser 10, the screen 8 and an objective 11 before reaching the viewing screen 12. The screen 8 is of, or prepared with, phosphorus and absorbs light according to the intensity of the scanning cathode-ray 7. In a modification, the lamp 9 is a source of ultra-violet rays and the screen 12 is fluorescent. In other modifications, the refractive index of the screen 8, which may be a mica sheet, is varied by heating due to the ray 7 and these variations are converted into the picture by the Toepler- Schlieren method or by inserting the screen 8 between crossed Nicol prisms.
Patent GB-405038-A (GB)
Title: Process for cleaning or clarifying liquids
IPC: C02F1/52
Filed: 1932-08-02
Abstract: <PICT:0405038/III/1> The separation of suspended matter from oils is promoted by use of a coagulant sol which has been activated by passage therethrough of a direct or alternating electric current. The coagulant may be an alkaline suspension of amylaceous material, as described in Specification 405,262.  An aqueous suspension of starch is prepared in a tank 10 fitted with a circulating pump 12 and steam coils 11.  The starch suspension and a solution of sodium hydroxide are drawn respectively from tanks 16, 10, 13 through valves 14, 15 to a mixing tank 16, and passed thence through a U-tube 18 provided with electrodes 19, 20.  Hydrogen given off at the electrode 19 escapes through a pipe 21, and oxygen is carried forward with the suspension from the electrode 20 into a tank 23, where the suspension is mixed with the liquid under treatment by a motor-driven agitator 25.  Impurities separate from the liquid in a settling-tank 27.
Patent GB-1513861-A (GB)
Title: Assembling and packet-filling machine for biscuits
IPC: B65G47/71
Filed: 1975-08-13
Abstract: 1513861 Conveying biscuits BURTONS GOLD MEDAL BISCUITS Ltd 13 Aug 1975 [15 May 1974] 21674/74 Heading B8A Biscuits are fed to trays 21 on a slot conveyer 3 from a conveyer 1 by a vibratory platform 2, guides 10, gates 16, runners 13, 14, and guide walls 15. Each gate 16 is controlled by a sensor 11. The latter detect that there is a complete row of biscuits directly behind a row in the uppermost row of pockets 19 of the gates 16. Provided the row behind is full, the gates 16 rotate to empty a row of biscuits on to the runners 13, 14. The biscuits are thus marshalled in rows of nine on successive trays 21. As the conveyer advances the biscuits move clear of the walls 15 and fall into inclined positions on the respective compartments of the trays. The latter are carried past the end of the conveyer 3 by being supported also on endless bands 23, 23, and are then removed from them by hand. The sensors 11 may be inductive capacitive, photoelectric, hydraulic or pneumatic devices, or may be micro switches. The biscuits are flattened under a roll 4 above the conveyer 1.
Patent GB-597709-A (GB)
Title: Improvements in hydraulic jacks
IPC: B66F3/42
Filed: 1945-08-24
Abstract: 597,709. Hydraulic jacks. LIGHTBURN, H. A. Aug. 24, 1945, No. 21684. Convention date, Aug. 28, 1944. [Class 78(iii)] In a hydraulic jack in which a handle is reciprocated in one plane to operate the plunger of the jack pump and may be rotated in another plane at right angles to operate a release valve to effect lowering of the jack, the handle is formed as a lever pivotally connected with the pump plunger and pivotally mounted on the body of the jack, being removable from this latter mounting so that it may be rotated about the axis of the plunger to operate the release valve. In the embodiment shown, the lifting ram 1, provided with a screw extension 50, is raised by a pump having a plunger 11 reciprocated in a cylinder 10 by a handle 14 passing through an eye 12 secured to the plunger and engaging in a socket 45 on the jack housing 6. On reciprocating the plunger, liquid is drawn from the reservoir formed by the housing 6, through a filter 58 into channels 27, 20 and then ejected by the plunger past the ball valve 24 into the bore 19 and channel 21 to the ram cylinder 2. To lower the jack, the handle is withdrawn from the socket 45 and rotated in a horizontal plane so as to rotate the plunger about its axis. This causes a cam 40 on the plunger to engage a cam plate 41 so as to rotate a spring-controlled lever 33 about its pivot 34 and release a ball valve 31, normally held closed by a platform 32 on the lever, to allow liquid to return to the reservoir. The valve 31 acts as a safety valve, normally being held closed by a spring 35 so long as the pressure in the jack does not exceed a safe value. A projection 46 on the handle 14 normally prevents its withdrawal from the eye 12. It may, however, be withdrawn when rotated so that the projection 46 coincides with the major axis of the eye.
Patent GB-915102-A (GB)
Title: Improvements in or relating to door stays, particularly for motor vehicles
IPC: E05C17/20
Filed: 1961-06-16
Abstract: 915,102. Stays. HINDLEY, J. P. (Lemfoeder Metallwaren-Gesellschaft). June 16, 1961, No. 21780/61. Class 65 (1). A stay for a vehicle door comprises a bar pivoted to the door post a and passing between a pair of rollers e journalled in the door d, the bar having a resiliently deformable outer casing h provided with at least one stop notch i, k adapted to engage a roller to hold the door open. Preferably the notches are formed in pairs, as shown, one at each side of the bar, for simultaneous engagement by the respective rollers which have resilient outer casings f and are offset relative to one another so that the deformation of the casing h is distributed over the length of the bar. Ramps m, n lead up to the stop notches. The core of the stay is a spring bar g.
Patent GB-824635-A (GB)
Title: Process for improving kerosenes and diesel fuels
IPC: C10G65/08
Filed: 1958-07-08
Abstract: A process for upgrading petroleum fractions containing aromatic and sulphur compounds and boiling in the range 300 DEG  to 650 DEG  F. comprises first desulphurizing the fractions to not more than 20 p.p.m. of sulphur and thereafter hydrogenating them over a nickel catalyst at hydrogen rates in excess of 2000 SCF/Bbl.  The first stage desulphurization is preferably effected by hydrofining over cobalt molybdate on alumina at 600 DEG  to 800 DEG  F., 200 to 800 p.s.i.g. and 1 V/hr./V.  In the second hydrogenation stage the nickel is preferably supported on kieselguhr, the preferred conditions being 500-550 DEG  F., 200-800 p.s.i.g., 1-5 V/hr/V and 2000-10,000 SCF/B. Recycle hydrogen may be used in both stages, H2S being scrubbed out before contact with the Ni catalyst, but preferably retained for the cobalt molybdate hydrofining stage.  In an example a 300-650 DEG  F. diesel fuel fraction is heated to 725 DEG  F. and passed downwardly first over cobalt molybdate and then nickel in countercurrent to H2S free hydrogen which is not scrubbed free from the H2S formed in the Ni stage between stages.  The oil is cooled to 500-550 DEG  F. by heat exchange with the cold feed between the stages.  The process is particularly applicable to the saturation of fractions containing 10-50% of atomatics and having a naphthalene ring content below 30%.ALSO:A process for upgrading petroleum fractions containing aromatic and sulphur compounds and boiling in the range 300 DEG  to 650 DEG  F., comprises first desulphurizing the fractions to not more than 20 p.p.m. of sulphur and thereafter hydrogenating them over a nickel catalyst at hydrogen rates in excess of 2000 SCF/Bbl. The first stage desulphurization is preferably effected by hydrofining over cobalt molybdate/alumina at 600 DEG  to 800 DEG  F., 200 to 800 p.s.i.g., and 1 v./H2/v.  In the second hydrogenation stage the nickel is preferably supported on kieselguhr, the preferred conditions being 500-550 DEG  F., 200-800 p.s.i.g., 1-5 v./H2/v. and 2000-10,000 SCF/B.  Recycle hydrogen may be used in both stages, H2S being scrubbed out before contact with the Ni catalyst, but preferably retained for the cobalt molybdate hydrofining stage.  In an example a 300-650 DEG  F. diesel fuel fraction is heated to 725 DEG  F. and passed downwardly first over cobalt molybdate and then nickel in countercurrent to H2S-free hydrogen which is not scrubbed free from the H2S formed in the Ni stage between stages.  The oil is cooled to 500-550 DEG  F. by heat exchange with the cold feed between the stages.  The process is particularly applicable to the saturation of fractions containing 10-50% of aromatics and having a naphthalene ring content below 30%.
Patent GB-239245-A (GB)
Title: Improvements in or relating to sound reproducing devices
IPC: H04R7/12
Filed: 1924-09-22
Abstract: 239,245. Huguet d' Amour, P. G. Sept. 22, 1923, [Convention date]. Diaphragms.-Relates to sound-reproducing devices, more particularly in connection with telephonic loud-speakers. According to the invention, a sound-box adapted to be used as a hornless loud-speaker comprises two conical members united at their bases, the junction of these members not being directly connected with any extraneous fixture. Fig. 1 shows a loud-speaker embodying such a diaphragm comprising two cones a, b, joined together and mounted so that the margin, formed by the meeting edges of the cones, is free. The apex of the cone a is removed, and the edge of the aperture thus made is clamped between threaded rings J, K. On the ring J are secured two or more strips M, preferably of different materials, the inner ends of the strips being arranged at the centre of the rings, and being attached by nuts O to one end of a threaded rod N. The rod is secured at its other end to the apex of the cone b. The outer nut O is of iron, and serves as the armature of a magnet (not shown) forming part of an ordinary telephone receiver R which, after removal of the usual diaphragm and cap, is adjustably screwed into the ring K. As an alternative, the armature may be integral with the outer strip M. Springs may be fixed on the ring J, to bear against the receiver R. The rod N may be 'built up of several materials. Modifications are described, in which the cone b is wholly inverted within the cone a, or the apex only of the cone b is inverted, and in a further construction, shown in Fig. 6, the outer cone is replaced by a series of conical walls b, b<1> ... rigidly connected together so as to prevent sharp angles at the meeting edges. Such an arrangement of interconnected conical walls may be provided instead of each of the cones a, b. The Specification as open to inspection under Sect. 91 (3) (a) states also that the diaphragm may be built up of members which are spherical or of any other suitable curvature, and in such cases stiffening material, such as strips, or paste, may be provided. This subject-matter does not appear in the Specification as accepted.
Patent GB-496478-A (GB)
Title: Improvements in the manufacture of asbestos cement and like products
IPC: B28B1/42
Filed: 1938-07-22
Abstract: 496,478. Cylinder machines for making asbestos-cement boards, pipes, &c. TURNER & NEWALL, Ltd. July 22, 1938, No. 21852. Convention date, July 22, 1937. [Class 96] [Also in Groups X and XXVIII] Multiple-layer asbestos-cement sheets, slabs tiles, pipes, &c. are made on a cardboard-type machine wherein at least two vats 8, 9, 10 containing different compositions, each with a fibrous and a hydraulic binding component, and wherein contact between the pick-up felt, and at least one cylinder mould 2, 3 or 4 is periodically interrupted, preferably alternately. The couch roll 7 is carried on a lever 14 pivoted at 13 and connected by a wire 12 to a lever 11 with which it is raised or lowered. Wires 18 connect couch rolls 5, 6 to the same lever 11, the roll 5 carrying a roller 19 to raise the felt with it. Each cylinder mould is sprayed at 17 with water during operative running, its supply being cut off at 16 by movement of the lever 11. The cylinder moulds are connected by over-running couplings with continuously running electric motors so that whilst the cylinder moulds contact the felt 1, they are driven thereby, but on raising the felt, the electric motors take over the drive. The web travels on the felt 1 over a suction box 24 to a gathering- roll 25. Porous, bulky slabs having a main layer of wood pulp, cellulose, asbestos, &c., with a mixture of lime, cement, and kieselguhr or other reactive silicic acid, and faced or reinforced with thin layers of asbestos-cement may thus be produced. A foaming agent may give the bulky layer porosity.
Patent GB-1161839-A (GB)
Title: Rail Vehicle Axle-Suspension Means.
IPC: B60G11/22
Filed: 1967-05-11
Abstract: 1,161,839. Axle box guiding arrangements. RHEINSTAHL SIEGENER EISENBAHNBEDARF G.m.b.H. 11 May, 1967 [8 Sept., 1966], No. 21857/67. Heading B7L. An axle bearing box 1, Fig. 1, is mounted in a bogie frame 10 by fore and aft pairs of conical rubber/metal suspension elements 3, 7, subjected to shear and compressive loading, the upper element 3 of each pair being carried by a lateral bracket 2 cast on the box 1, whilst the lower element 7 of each pair is carried by a bracket 9 on the frame 10, the elements 37 of each pair being disposed in opposed relation on a bolt 5 by which the element 7 is suspended from the element 3. The elements each comprise an inner metal part 4 or 6, an intermediate rubber part and an outer metal part, e.g. 8. In another embodiment, each element comprises two wedge-shaped rubber/metal elements arranged in parallel (Fig. 3, not shown). Each conical element may be formed of metal and rubber parts in series, as described with reference to Figs. 4 and 5 (not shown) and the inner members of the series may be rendered inoperative, under heavy loading.
Patent GB-807917-A (GB)
Title: Control systems for aircraft
Inventor: HADEKEL RUBEN
IPC: B64C13/24
Filed: 1955-07-29
Abstract: 807,917. Automatic control systems for aircraft. SPERRY GYROSCOPE CO. Ltd. July 12, 1956 [July 29, 1955], No. 21924/55. Addition to 803,572. Class 38 (4). [Also in Group XXIX and XXXIII] In a system, as in the parent Specification, in which a main hydraulic servomotor actuating a control surface of an aircraft may be automatically or manually controlled through an electrical control system or manually controlled through a mechanical control system, the arrangement for changing over from electrical control to mechanical control is modified. As shown, a differential linkage 310 responsive to the relative displacement of a manual controller and the main servomotor (not shown) positions a pilot valve 308 which controls the main servomotor through a solenoid-operated change-over valve 311 and a sleeve valve 301. Follow-up from valve 301 is provided through a lever 306 operating a sleeve 307 associated with pilot valve 308. Changeover to electrical control is effected by energizing solenoid-operated changeover valve 311 so that pilot valve 308 is no longer effective to control valve 301 and a pilot valve 302 operated by a device 208 responsive to electrical error signals produced manually or by attitude references on the aircraft, becomes effective to control the main servomotor through valves 311 and 301. To prevent a jolt when changing from electrical to mechanical control, valve 301 may be arranged to respond slowly to pilot valve 308. Specification 803,573, [Group XXIX], is referred to.
Patent GB-847846-A (GB)
Title: Improvements in or relating to drums for washing machines
IPC: D06F37/08
Filed: 1957-07-11
Abstract: 847,846. Washing-machine drums.. ATELIERS DE CONSTRUCTION EMILE D'HOOGE S.P.R.L. July 11, 1957 [March 22, 1957], No. 21964/57. Class 138 (2). A drum having a horizontal axis, for use in a washing-machine, comprises a substantially cylindrical chamber having a perforated wall 11 with two diametrically opposite open parts 3, 4 having flat perforated doors 14, 15, 16, 17, a diametral partition 7 having perforations in the form of short tubes 38, at least one transverse partition and a pronounced re-entrant rib 5, 6 in each substantially semi-cylindrical compartment. The partition 7 is formed of two sheets 20, 21, recessed at 22, 23 respectively to form a hollow core for the driving shaft of the drum. As shown in Fig. 4 the perforated parts of the partition 7 are formed of two perforated sheets 20, 30, the perforations being produced by piercing to give flanges 25, the two sheets being assembled with holes in alignment.
Patent GB-1481761-A (GB)
Title: Bonding agent for fusing porcelain to non-precious metal alloy
IPC: A61K6/06
Filed: 1975-05-21
Abstract: 1481761 Metallizing bonding flux PFIZER Inc 21 May 1975 [24 Dec 1974] 21981/75 Headings C7D and C7M [Also in Division B3]  A bonding agent for bonding an alloy to porcelain contains in weight per cent 34-52 gold powder (5-15 microns), 13À1-30À6 porcelain, 4À4-8À74 zirconium oxide (10 microns), balance a liquid flux which preferably contains an oxide flux such as boron oxide, boric anhydride, sodium borate, Li 2 O or Na 2 O dissolved in a liquid such as glycerine or alcohol. An Example of a liquid flux contains in weight per cent 1À5-4À52 boron oxide, 0À085- 0À338 melting agent, 1À54-3À07 colloidal silica and balance glycerine. The bonding agent is used in dentistry by painting the bonding agent on to the metal alloy and firing prior to bonding to porcelain. Several Ni base alloys are disclosed in the Specification.
Patent GB-632410-A (GB)
Title: Improvements in or relating to machines for the automatic stapling of cardboard boxes and the like
IPC: B31B50/68
Filed: 1947-08-08
Abstract: 632,410. Stapling box blanks. LARSSON, O. E. Aug. 8, 1947, No. 22037. Convention date, Jan. 11, 1946. [Class 89 (iii)] In a machine for stapling box blanks, a blank fed between adjustable lateral guide belts 2 and a feed roll 6 co-operating with a further roll 12 or belts-12<SP>1</SP> to a stapling mechanism 24 engages and turns a bladed wheel on a shaft 9 to start the stapling mechanism. The number of staples to be driven is determined by the adjustment of a cross-head 18 sliding on a bar 17 carried by a disc 16 to vary the step-by-step rotation of a disc 21. The mechanism stops after one revolution of the disc 21 due to a spring-urged rod 26 coupled to the shaft 9 re-engaging a notch in a disc 22 from which it was disengaged by operation of the bladed wheel. The disc 21 is coupled to the disc 22 by a ball or roller ratchet, a brake 28 preventing retrograde movement.
Patent GB-332739-A (GB)
Title: Improvements in or relating to windscreen wipers
IPC: B60S1/40
Filed: 1929-07-18
Abstract: 332,739. Dudley, W. July 18, 1929. Windows and the like, cleaning.- In a windscreen wiper, the means connecting the backing frame to the wiper rod or arm 5 comprise a fitting having ear pieces 1<a> at least one of which has a projection 3 engaging a perforation in the backing frame, arranged so that when the fitting is clamped in position the projection or projections prevent the ear pieces binding on the backing frame. Preferably, the fitting comprises a sheet metal pressing 1 bent into substantially U-shape, slotted at 1<b>, and formed with inwardly directed circular projections 3 of such depth that when the fitting is clamped in position by a screw 2 the ear pieces are held apart sufficiently to clear the backing frame.
Patent GB-503062-A (GB)
Title: Improvements in and relating to turbine casings
IPC: F01D25/14
Filed: 1938-07-25
Abstract: 503,062. Steam turbines. KOPKE, E. July 25, 1938, No. 22056. [Class 110 (iii)] In a steam turbine in which byepass passages 2 are formed with the casing 1, the dividing ribs have sawn or cast slots 5, and longitudinal bores 7.
Patent GB-1069038-A (GB)
Title: Process for the production of trans-chrysanthamic acid and novel sulphones of use in said process
IPC: C07C317/04
Filed: 1965-05-25
Abstract: The invention comprises compounds of formula <F\1> wherein Z is CN or CO2R (R = H, alkyl or p-bromophenacy) and Ar is aryl (possibly sub stituted). The esters (R = alkyl) and nitriles are made by reacting (CH3)2C = CHCH2SO2Ar with (CH3)2C = CHZ under anhydrous condi tions in presence of base plus solvent; the esters may be saponified to the acids (R = H), which may be characterized as the p-bromo phenacyl esters, and may be re-esterified to give alkyl esters of improved purity. In examples, the compounds in which Z is CO2Et and Ar is Ph or p-toly are prepared, saponified in situ and the acids converted to methyl esters with CH2N2; the p-bromophenacyl ester (Ar = Ph) is also made.  Trans-chrysanthemic acid derivatives are ob tained by cyclising the above alkyl esters or nitriles in presence of base plus solvent (without necessarily isolating the starting materials from their reaction mixtures); in examples, methyl and ethyl al-trans-chrysanthemates are made and hydrolysed to the free acid, which is characterised as its p-bromophenacyl ester.  Phenyl and p-tolyl 3-methyl-2-butenyl sul phone are made by reacting phenyl or p-tolyl sodium sulphinate with 3-methyl-2-butenyl bromide.
Patent GB-945057-A (GB)
Title: A railway car
IPC: B61D7/06
Filed: 1960-12-22
Abstract: 945,057. Wagons for transporting vehicles. GENERAL AMERICAN TRANSPORTATION CORPORATION. Dec. 22, 1960 [Dec. 22, 1959], No. 22237/62. Divided out of 945,056. Drawings to Specification. Heading B7L. [Also in Division B8] The subject matter of this Specification is identical with that described in Specification 945,056, but the claims differ.