baber/WOPTO huggingface dataset:
Patent GB-365571-A (GB)
Title: Improvements in and relating to the desulphurisation of hydrocarbons
IPC: C07C7/00
Filed: 1930-07-15
Abstract: Hydrocarbons, e.g. petroleum oils, coal tars, lignite, &c., are purified from sulphur compounds, e.g. thiophenes, thiophanes, mercaptans, sulphides, &c., by mixing them with an immiscible liquid of boiling point lower than that of the lightest sulphur impurities and distilling the mixture at the boiling point of the immiscible liquid.  The liquid employed may be water, halogen compounds of hydrocarbons, alcohols, ketones or their halogen derivatives.  The mixture is prevented from forming an emulsion by adding a body that increases the surface tension of the immiscible liquid, e.g. sulphates, antimonates, phosphates, arsenates, potash, alum, &c.  The hydrocarbons may be initially treated with sulphuric acid and soda, hypochlorite, &c., to convert the sulphur impurities into compounds of higher boiling point.  a benzene containing 0,5 per cent sulphur is preliminarily treated with sulphuric acid and soda and is then distilled at 100 DEG  C. over a layer of water.  A similar benzene is distilled with trichlorethane at 75 DEG  C.
Patent GB-824910-A (GB)
Title: A reciprocating dry shaver head construction
IPC: B26B19/04
Filed: 1958-07-03
Abstract: 824,910. Dry shavers. PADGETT, G. July 3, 1958, No. 21351/58. Class 131 A dry shaver head comprises an outer shear plate 15 and a nesting, longitudinally reciprocated, inner cutter 60 having apertured inverted U-section segments 23, 65 co-operating to cut hair, end members 63 of the cutter having notches 66 to receive the segments 65 and end members 24 of the shear plate having slots 22 to receive the segments 23. The end members 24 are tapered in thickness towards the shear plate to allow the provision of a greater number of apertures in the shear plate and a cross-bar 59 spans the open base of the cutter for connection to a drive rod 46 having a ball 57 fitting into a square aperture 58 in the cross-bar to allow rotation of the cutter to a transverse position for removal of cut hair from the surface 48 when latches 32 are released by the operation of finger buttons 37 against the action of springs 45. The drive rod, the cross-section of which is reduced in steps to reduce inertia, passes through a central aperture ina sealing cap 55 which is pressed against a nylon bearing 50 by a spring 68 which urges the cutter into engagement with the shear plate. The valleys on the outer surface of the shear plate are filled with plastic or metal to rigidify the shear plate and make the surface smooth and in a modification the shearing apertures at the sides of the shear plate are provided with hair-entraining enlargements.
Patent GB-587054-A (GB)
Title: Improvements in or relating to a process for inhibiting crystallisation of calcium salts
IPC: C02F5/10
Filed: 1944-11-01
Abstract: An extract made by treating cocoa bean husk with water and steam at a pressure up to 70 lbs./square inch and preferably at 30 lbs./square inch is added to inhibit the crystallization of calcium salts, e.g., carbonate and/or sulphate from saturated or supersaturated solutions. The process is particularly applicable to cooling and boiler feed water and may be combined with other water treating and crystallization inhibiting processes, e.g., addition of sodium hexa-metaphosphate.  It is applicable also to the precipitation of magnesia from brines with, e.g., lime.  The dosage is preferably at least 1 gallon of extract (made from 4/5 lbs. husk) per 75,000 gallons of liquid.  Specifications 587,052 and 587,053, [Group VI], are referred to.ALSO:An extract made by treating cocoa bean husk with water and steam at a pressure up to 70 lbs./sq. inch and preferably at 30 lbs./sq. inch is added to inhibit the crystallisation of calcium salts, e.g. carbonate and/or sulphate from saturated or supersaturated solutions.  The process is particularly applicable to cooling and boiler feed water, and may be combined with other water treating and crystallisation inhibiting processes, e.g. addition of sodium hexametaphosphate.  The dosage is preferably at least 1 gallon of extract, made from 4/5 lbs. husk, per 75,000 gallons of liquid. Specifications 587,052, [Group III], and 578,053, [Group VI], are referred to.
Patent GB-1181995-A (GB)
Title: A Method of Arc Welding and Building Up of Parts
Inventor: POTAPIEVSKY ARKADY GRIGORIEVIC
IPC: B23K9/12
Filed: 1967-05-09
Abstract: 1,181,995. Welding by fusion. ORDENA TRUDOVOGO KRASNOGO ZNAMENI INSTITUT ELEKTROSVARKI IM. E. O. PATONA. 9 May, 1967, No. 21502/67. Heading B3R. In a method of arc welding employing at least two electrodes, pulses of current are impressed upon each arc, the duration and magnitude of which can be selectively varied in order to control independently of each other welding characteristics such as weld penetration, rate of melting of the electrodes and metal transfer drop size. The two electrodes 10, 11 may be consumable, Fig. 2, and may be supplied from separate D.C. sources 12 and pulse sources 13, 14. Alternatively, Fig. 1, one electrode 2 may be non-consumable and fed from A.C. source 4 and pulse source 8 while the consumable electrode 3 is fed from D.C. source 5 and pulse source 9. Values of the duration and magnitude of the pulses are given which relate to the control of certain stated welding characteristics.
Patent GB-614609-A (GB)
Title: A pedal for a bicycle or like vehicle
IPC: B62M3/08
Filed: 1946-07-18
Abstract: 614,609. Cycle pedals. ALBERS, T. July 18, 1946, No. 21574. Convention date, April 2. [Class 136 (ii)] In a cycle pedal of the kind formed in one piece from such materials as light metals or synthetic resins, and having a rectangular frame-like body with a longitudinal boss for receiving a pedal spindle, bearings and the like, transverse walls 8 extend from the longitudinal side walls 10 to the boss 2, the upper and lower edges of the walls 8 and 10 have milled indentations 9, the outer diameter of the boss 2 is less than the depth of the walls 10, and the depth of the walls 8 decreases gradually from the walls 10 towards the boss 2. The upper and lower foot-supporting surfaces of the pedal are thus of substantially concave form with upstanding, roughened edges. The foot is further prevented from slipping by grooves 3 on the outer lateral surfaces of walls 10, and projections 5 on the boss 2.
Patent GB-1456257-A (GB)
Title: 2-aminothiazole derivatives
IPC: C07D277/00
Filed: 1974-05-15
Abstract: 1456257 2 - Aminothiazole derivatives CENTRE D'ETUDES POUR L'INDUSTRIE PHARMACEUTIQUE 15 May 1974 [16 May 1973] 21614/74 Heading C2C Novel 2-aminothiazole derivatives of the general formula wherein R is a group of formula or linked with the sulphur atom by its central carbon atom: R 1  and R 2 , which may be the same or different, are hydrogen atoms or alkenyl, alkyl, cycloalkyl, aryl or aralkyl groups (which groups may optionally be substituted by halogen atoms or hydroxy groups), or form, together with the nitrogen atom to which they are linked, a saturated heterocyclic ring having 4 to 8 ring members and optionally containing a nitrogen, oxygen, or sulphur atom as a second heteroatom and being optionally substituted by an alkyl group; and R 3  and R 4 , which may be the same or different, are hydrogen atoms or alkyl or cycloalkyl groups, or form, together with the nitrogen atom to which they are linked, a saturated heterocyclic ring having 5 or 6 ring members and optionally containing oxygen, nitrogen, or sulphur as a second hetero-atom which (in the case of nitrogen) is optionally substituted by an aryl, haloaryl, alkoxyaryl, alkyl, hydroxyalkyl, haloalkyl, alkoxy, trifluoromethyl or halohydroxyalkyl group; and the mineral and organic acid addition and quaternary ammonium salts thereof are prepared by reacting AH with BNCS. (A being -NR 1 R 2  when B is -CH 2 -R 0 -CH 2 -NR 3 R 4  and, when R 2  is H, being  when B is R 1 , R 0  being -CH = CH- or -C # C-) and cyclizing the resulting thiourea of the general formula  by heating in an acid medium to form a thiazoline of the general formula wherein R is (b) above, when R 0  is -CH = CH-, or (a) above linked to the N atom by the C atom which is not adjacent to its double bond, when R 0  is -C # C-, and optionally isomerizing the thiazoline obtained in which R is (a) above by heating in solution at above 100 C. or treating with concentrated acid to form a thiazole of the first general formula above wherein R is linked to the N atom by the C atom adjacent to its double bond; followed optionally by salification. Isothiocyanates of the general formula are prepared by treating with CS 2  in the presence of cyclohexylcarbodiimide at a low temperature in a solvent. Pharmaceutical compositions having antiinflammatory and hypocholesterolemic activity comprise, as active ingredient, a 2-aminothiazole derivative of the first general formula above a mineral or organic acid addition or quaternary ammonium salt thereof, together with a physiologically acceptable carrier or excipient.
Patent GB-613833-A (GB)
Title: Improvements in radio-broadcasting systems
IPC: H04J3/08
Filed: 1945-08-23
Abstract: 613,833. Thermionic distributers. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. Aug. 23, 1945, No. 21663. Convention date, Aug. 4, 1943. [Class 40 (iii)] [Also in Group XL (c)] In a radio broadcasting system (see Group XL (c)), the pulsing of four transmitters is timed as though there were to be five transmitters pulsing successively at uniform time intervals, the fifth pulse train, however, not being present and the gaps being used for synchronizing purposes at a receiver. The pulse recurrence frequency for each train is 25 kc/s., the unmodulated pulses of adjacent channels being spaced eight microseconds apart allowing a time modulation of Œ3.5 microseconds, of the 0.25 microsecond pulses. At the transmitting point, a square wave multivibrator generator 21, Fig. 5, which may be synchronized by a crystalcontrolled oscillator, controls a ring 22 of five multivibrators A ... E, each of which is triggered by the one preceding and arranged to produce the waves A ... E, Fig. 6. Each of the generators B ... E controls one of the pulse modulator multivibrators 23 ... 26 which also has applied, in push-pull to its control grids, the modulating voltage for the channel concerned. The modulator is of the flip-flop type energized by the leading edge of the control pulse and producing, in the absence of modulation, pulses 23 ... 26, Fig. 6, of half the duration of the control pulses. The duration of the output pulses is modulated between limits, as shown, by the modulating voltage.
Patent GB-248799-A (GB)
Title: Improvements in weighing scales
IPC: G01G1/00
Filed: 1924-09-13
Abstract: 248,799. Marks, E. C. R., (Toledo Scale Co.). Sept. 13, 1924. Balances; compound-lever apparatus.-The commodity and weight receiver of a weighing scale are both directly supported by a single lever which is fulcrumed on the scale frame and is connected to automatic load counter-balancing mechanism by means of a second lever which is also fulcrumed on the scale frame. As shown, the spiders 14, 15 carrying the weight and commodity receivers 16, 17 are supported upon opposite ends of an equi-armed lever 8, and are provided with adjustable extensions 21, 22 connected by parallelmotion links 26 to an adjustable post 23. A second lever 43 is fulcrumed on a bracket 44 beneath the commodity receiver 17 and is connected by a push-and-pull link 50 to the lever 8 and by a flexible ribbon 41 to a pendulous lever 38 and indicating mechanism. Beams; bearings.-To render the pivot distances of the lever 8 adjustable, the load pivots 13, Fig. 9, at one end are mounted on a member 55 which is connected to the lever proper by vertical and horizontal screws 59, 57. To hold the bearings in position upon the load pivots 13 when a load is applied out of centre on the commodity or weights receiver, adjustable knife-edges 64 are provided, which knife-edges engage the flat heads 66, Fig. 5, of screws 65 projecting from the spiders 14, 15, as described in Specification 248,966. The knife-edges 47 engaging the link 50 are carried by adjustable studs 46 projecting from the levers 8, 43. Casings.-The weighing-mechanism is supported on brackets depending from a plate 1, Fig. 1, which is carried by two skeleton frames 3, side closure plates 5 and a bottom plate 7 being provided. A fan-shaped housing 34 is mounted on the plate 1 and is capable of being turned through 90‹ without readjustment of the weighing mechanism. Vibration, preventing and neutralizing.-The piston of an oil dashpot 70 is connected to the beam 8 to damp the oscillations of the mechanism.
Patent GB-517181-A (GB)
Title: Improvements relating to electrical circuits for separating different kinds of signal impulses, particularly applicable to synchronising in television
IPC: H04N5/10
Filed: 1938-07-21
Abstract: 517,181. Television receivers. OETTINGEN; D. VON. July 21, 1938, No. 21694. Convention date, Feb. 25, 1938. [A Specification was laid open to inspection under Sect. 91 of the Acts, Jan. 23, 1939.] [Class 40 (iii)] Long frame pulses are isolated by applying the mixed synchronizing signals O, 3, Fig. 2, to an integrating circuit R2, C2 and to a high pass filter CR, Fig. 1, to produce varying amplitude pulses 4, 1, Fig. 2, respectively, and these pulses are applied to the two grids 2, 5 of an amplitude filter which becomes conductive only when the large amplitude pulses, corresponding to the long frame pulses, occur on both grids. According to the Specification as open to inspection under Sect. 91, the pulses 1 derived from the elements CR may be applied to an amplitude filter; the pulses O may comprise a plurality of different length pulses applied to several circuits in parallel, each circuit having the requisite value of C, R, to delete the shorter pulses. This subject-matter does not appear in the Specification as accepted.
Patent GB-1279091-A (GB)
Title: Devices for the measurement and control of magnetic field strength
Inventor: FERMOR JAMES HUGH
IPC: G01R33/028
Filed: 1968-05-08
Abstract: 1279091 Magnetometers NEWPORT INSTRUMENTS Ltd 8 Aug 1969 [8 May 1968] 21834/68 Heading G1N In a magnetometer of the type in which the force on or displacement of a current carrying conductor in the field being measured is measured, stationary capacitor plates co-operate with the conductor or a plate attached thereto for sensing displacement of the conductor. As shown in Fig.1 a current I, which may be direct alternating or intermittent, is passed through arm 15 and the torsional displacement or torsional oscillations of arms 14 and 15 is sensed by differential capacitors 16, 17 and 18, 19. If A.C. is used, its frequency may coincide with the resonance frequency of the structure 10. Excitation periods may be alternated with measurement periods. E.M.F.s induced in one or more of the conductive paths may be compared with the capacitive measurements. Electrostatic forces may be used to achieve a null balance. Part of the vane structure may be electrically isolated from the rest of the vane so that the electrical charge on this part (40) Fig.4a (not shown) remains constant whereby electrical repulsion forces may be used. Other configurations of vanes are described with reference to Figs.3a to 4a (not shown). In Fig.5, coils 55, 56 are mounted on a part 57 supported by bearings 60, 61. Leads to the coils and to capacitor plates 58, 59 may be in the form of springs controlling the position of the moving structure. In another arrangement, Fig.6 (not shown) four conductive paths (66, 67, 68, 69) are attached in pairs to opposite faces of an insulating strip (70), a respective capacitor plate being positioned opposite each path. A stationary conductive loop 77 responds to variations in time of the magnetic field.
Patent GB-1093003-A (GB)
Title: A method of forming a composite article
IPC: B32B17/10
Filed: 1965-05-24
Abstract: 1,093,003. Laminates. DOW CORNING CORPORATION. May 24, 1965 [July 13, 1964], No. 21873/65. Heading B5N. A method of forming a composite article comprises (1) laminating to (A) a transparent, siliceous, non-elastomeric solid sheet, a layer (B) consisting essentially of a layer of transparent, uncured silicone elastomer stock containing from 0À5 to 10% by weight, calculated on the weight of the elastomer, of an adhesive agent in contact with (A) and a layer of from 0 to 150 mils of a transparent, uncured silicone elastomer stock containing no adhesive agent; (2) curing (B) with (C) a flexible inert sheet which will not strongly adhere to (B); (3) vulcanizing the silicone elastomer stock under pressure; (4) removing (C) from (B); (5) further heating the silicone elastomer to drive off substantially all volatile materials; (6) laminating to (B) a layer of (D) transparent, uncured silicone elastomer stock free from adhesive agent; (7) assembling the laminates so that the resulting structure is composed of layers in the order (A), (B), (D), (B), (A); and (8) heating the assembly under pressure to vulcanize the uncured elastomer stock. Specified siliceous solids are glass and fused quartz. The specified inert sheet is polytetrafluoroethylene.
Patent GB-997278-A (GB)
Title: Intruder detection system
Inventor: BREWSTER ARTHUR EDWARD
IPC: G08B13/183
Filed: 1964-05-27
Abstract: 997,278. Measuring distances by sound and other waves. STANDARD TELEPHONES & CABLES Ltd. May 27, 1964, No. 21893/64. Addition to 984,398. Heading H4D. [Also in Division G4] An intruder detection system comprises two coaxial or closely spaced beams, one of electromagnetic radiation, and one of acoustic radiation propagated along the boundary to be protected. As described a common focusing system is used employing a mirror 14 with its front surface 15 shaped to reflect radiations received from an ultrasonic transducer 16, and its rear surface 18 silvered and shaped to focus light from the light source 19. The secondary mirror 17 has its front surface 20 shaped to reflect the acoustic wave from transducer 16, and at the same time be transparent to light from source 19. The radiations may be modulated. A comparator may be provided to measure the delay between detection of the optical and acoustic cut-offs due to an intruder interrupting the compositer beam, so that his position along the beam may be determined. The acoustic and optical sources may alternatively be situated at the same point, Fig. 2 (not shown), and may comprise for example a spark gap.
Patent GB-336952-A (GB)
Title: Improvements in or connected with burners for the combustion of pulverised solid fuel
IPC: F23D1/00
Filed: 1929-07-18
Abstract: 336,952. Woodroffe, F. K. July 18, 1929. Pulverulent-fuel burners. -A pulverulent-fuel burner, adapted to deliver a stream of secondary air entirely surrounding the primary air and fuel, is so constructed that the primary air and fuel mixture and the secondary air are each discharged in a plurality of thin streams or in a continuous stream of sinuous or undulating form. Figs. 1, 2 show a burner supplied with primary air and fuel through a conduit 3 which is so shaped, as it approaches its discharge end, to provide a series of thin radial slits 4 and a central aperture 4<x>. The secondary air is supplied at 2 to a casing 1 enclosing the conduit 3 and formed with delivery openings 5 surrounding the slits 4. A tube 6, extending into the opening 4x and having a removable cap 6x and an air-supply branch 6<xx>, is provided for the reception of an oil burner used for ignition purposes. In the construction shown in Fig. 4, the primary air and fuel is discharged through a continuous aperture 4 which is of sinuous or undulating form and is entirely surrounded by a secondary air supply opening 5 of similar form. Figs. 8, 9 show another form of burner in which the primary air and fuel apertures 4 take the form of narrow inclined slots spaced along the length of the conduit 3 so as to leave intermediate openings 5 for the delivery of secondary air from the chamber 1. A modification of this construction is described in which a row of apertures 4 is arranged on each side of the conduit 3.
Patent GB-265480-A (GB)
Title: An improved receptacle for food
IPC: A47J47/10
Filed: 1926-09-08
Abstract: 265,480. Folkes, G. E., (Frankonia Akt.- Ges. vorm. A. Frank). Sept. 8, 1926. Bodies; lids.-A receptacle for bread and other foods comprises a body a provided with air inlet apertures b and a lid c having an elevated portion provided with an aperture d into which is fitted. a hollow grip handle e having a series of air outlet apertures f. The hollow handle e serves as a ventilating shaft or flue and may be provided with a perforated sleeve by which the size of the air outlet apertures may be regulated; the apertures b, f may be covered with a gauze or like mesh.
Patent GB-1343488-A (GB)
Title: Apparatus for guiding and supporting heald shafts of looms
IPC: D03C13/00
Filed: 1971-04-19
Abstract: 1343488 Mounting heald frames ADOLPH SAURER Ltd 19 April 1971 [19 Feb 1970] 22145/71 Heading D1E Heald frames having only bottom staves 8 and healds 1 that are mounted at their bottom ends only on rails 6 and guided at their top ends by bars 10 have their staves 8 guided in Fig. 2, by frames 35, 36 and, in Fig. 1, by extensions 26, 36 which slide between the bars 10 and lower bars 30.
Patent GB-1504904-A (GB)
Title: Ignition distributors with control generators for internal combustion engines
IPC: F02P7/067
Filed: 1975-05-22
Abstract: 1504904 Ignition generators ROBERT BOSCH GmbH 22 May 1975 [25 Oct 1974] 22156/75 Heading H2A An ignition distributor for an I.C. engine includes an ignition generator of the inductor type comprising a stator which is angularly adjustable and axially extending teeth 28 magnetized by a permanent magnet 17, the teeth interacting with teeth 29 on a rotor 14, the magnetic circuit being completed through a driving bush 9 which carries the rotor and is rotatably mounted on a distributor shaft 3. The stator comprises the annular, axially magnetized permanent magnet 17 and a polepiece 16 carrying the teeth 28, the magnet and polepiece forming, together with a stator plate 18, a single unit which is angularly adjustable in response to a vacuum advance mechanism. The driving bush 9 is driven by the distributor shaft 3 through a centrifugal advance mechanism 4. The output coil 15 is secured to a mounting plate 19 by screws 22 which pass through arcuate slots in the stator unit. For a four cylinder I.C. engine, the rotor and stator both have four teeth. For a six cylinder engine the rotor and stator have six and three teeth respectively, Fig. 4 (not shown). For an eight cylinder engine the rotor and stator have eight and four teeth respectively, Fig. 3 (not shown).