baber/WOPTO huggingface dataset:
Patent GB-1424000-A (GB)
Title: Air separation process
IPC: F25J3/04
Filed: 1972-08-09
Abstract: 1424000 Separating air BOC INTERNATIONAL Ltd 10 Aug 1973 [9 Aug 1972] 37067/72 Heading F4P  An air separation process for producing substantially pure nitrogen gas and liquid in ducts 16 and 20 respectively, comprises the steps of cooling a comressed air stream 2 by passing it through a reversing heat exchanger 4, 6, returning a portion 32 of the cooled air stream through at least part 6 of the heat exchanger for the purpose of adjusting the temperature of the portion 32 and then combining the portion 32 with the air stream at a region downstream of exchanger 4, 6, expanding a first portion of the combined air stream by means of an expansion turbine 10 and introducing the expanded portion into a rectification column 14, and heat exchanging a second portion 36 of the combined stream with streams of nitrogen vapour 16 and oxygen enriched liquid air 28 withdrawn from column 14 in a heat exchanger 18 and then introducing this second portion into the column. Any CO 2  and hydrocarbon contaminants remaining in stream 2 after passage through exchanger 8 are removed by silica gel adsorber 8. The second portion 36 is expanded by valve 12 before entering column 14 in a partially liquid state. A pressure adjustment valve 22 adjusts the pressure of the main part of the stream 2 so that, when portion 32 is recombined with it they are at the same pressure. Stream 20 is used as a reflux stream to the column 14 and liquid N 2  can be led from this stream through conduit 26 to a consumer. Stream 28 is expanded in valve 30 and leads to a condenser 34 so as to condense the portion 20 of stream 16 leading from column 14.
Patent GB-755418-A (GB)
Title: Improvements in or relating to devices for selecting and transforming pulses in multi-channel pulse communication systems
IPC: H04J3/04
Filed: 1954-12-22
Abstract: 755,418. Multiplex pulse signalling. TELEFONAKTIEBOLAGET L. M. ERICSSON. Dec. 22, 1954 [Dec. 23, 1953], No. 37120/54. Class 40 (5). A circuit for selecting a particular channel of a multiplex time-phase modulated pulse train, and producing a duration modulated pulse train, consists of a diode 5, rendered normally conductive by a negative bias source 10, a normally blocked diode 4, and a generator 7 of positive-going gating pulses, arranged so that the selected channel pulses which are of negative polarity, will occur during the duration of the gating pulses. The presence of a gating pulse blocks the diode 5 and the potential of the output terminal 12 rises and remains at its upper value (apart from a small drop due to condenser 8 discharging through resistance 9 and diodes 4, 5) until a channel pulse, applied at 1, causes diode 4 to conduct strongly. Diode 5 then also conducts, thereby terminating the pulse at 12. A large negative charge on condenser 8 maintains the diode 5 conducting for the remainder of the gate pulse period (after the channel pulse has ceased), and a positive charge on condenser 3 maintains the diode 4 blocked in the absence of a channel pulse in coincidence with a gating pulse. The polarities of the signals may be reversed if the diodes and the bias source 10 are reversed.
Patent GB-813576-A (GB)
Title: Improvements in or relating to cigarette-making machinery
IPC: A24C5/18
Filed: 1955-12-29
Abstract: 813,576. Cigarette-making machines. MOLINS, D. W., and MOLINS MACHINE CO. Ltd. Dec. 28, 1956 [Dec. 29, 1955], No. 37256/55. Class 130. To produce dense-end cigarettes in a continuous-rod machine, increments are added to a tobacco stream 2 on a cigarette-paper web 1 by a conveyer drum 3 having a peripheral speed equal to the stream speed and between the operative surface of which and a hopper wall 7 tobacco accumulates until removed by suction ports 4. Another hopper wall 8 regulates the height of each increment, removal of which from the drum 3 is effected when the corresponding ports 4 pass from coaction with the suction chamber 5, optionally into coaction with an air pressure chamber 6. The ports 4, of which there may be one or more sets, are covered by strips 9, or a continuous drum sleeve, of nylon fabric. The hopper may be fed with tobacco diverted via a shaking conveyer from a shower forming the stream 2.
Patent GB-1039160-A (GB)
Title: A method of and apparatus for coating electrically conductive substrates
IPC: C23C14/56
Filed: 1964-09-11
Abstract: Coatings of different thicknesses and different metals are applied to either side of electrically conducting strip material e.g. Fe by depositing Zn, Cr, Ni or Sb vapour in apparatus comprising a coating chamber 12 (Drawing not shown) and an inlet and outlet housing 14 divided by rotary seals 26, 32, 40 and 50 and wall 48 into vacuum chambers 28, 34 and cleaning and finished product chambers 46, 44. Strip 22 enters housing 14 and is cleaned by passing between parallel anode plates 60 in a low pressure hydrogen gas stream, a voltage of 100-3000 volts being applied between the strip and the plates.  The strip emerges into housing 12, is electrically heated to 350-600 DEG F. by applying current to rolls 66, 68 horizontally over coating metal vaporizing boat 76 where one side is coated, round roller 80 and over boat 84 where the other side is coated and leaves through housing 14.  To control the coating thicknesses the respective surfaces may be masked or the temperatures and surface areas of the boats varied. The housing may be upright with the strip passing vertically over rollers 68, 72, 80, 88 and 90 and deflector plates over boats 76, 84.
Patent GB-325053-A (GB)
Title: Improvements in fittings for connecting inflating apparatus to the inflating or supply valves of pneumatic tyres and other receivers
IPC: B60C29/06
Filed: 1928-12-18
Abstract: 325,053. Bristol Pneumatic Tools, Ltd., and Bateman, C. Dec. 18, 1928. Couplings, disconnectible ; stuffing-box joints.- In a tyre-pump connector in which a rubber ring 3 is compressed axially to grip the valve nipple by rotation of a cam 6, the cam axle is mounted in slots so that the cam moves parallel, to its axis and takes a bearing on an end cap 5a when rotated by its handle 6<c>. Flats are provided to hold the cam in its operative and inoperative positions and it acts through a pistonlike member 4 which has a hose nozzle 8 and a vaive releasing pin 7.
Patent GB-873117-A (GB)
Title: Improvements in butterfly valves
Inventor: CRANG TERENCE FURSDON
IPC: F16K1/226
Filed: 1957-12-03
Abstract: 873,117. Valves. SAMUEL WHITE & CO. Ltd., J. Nov. 28, 1958 [Dec. 3, 1957], No. 37676/57. Class 135. A butterfly valve member 14 is operated by a lever through a spindle 18 which intersects the axis of the body but is offset from the plane of an 0-ring 16 mounted in a groove in the disc or in the body. The co-operating parts of the disc and body are partspherical. Alternatively the body part may be conical.
Patent GB-895658-A (GB)
Title: Improvements in or relating to pull-cord electric switches
IPC: H01H17/16
Filed: 1959-11-06
Abstract: 895,658. Snap-action switches. MILLER GWYNNE & CO. Ltd., and MILLER, B. R. Nov. 3, 1960 [Nov. 6, 1959], No. 37784/59. Class 38 (5). A two-pole pull-cord switch comprises an insulating base 10 having terminals 12, 15 carrying fixed contacts 18, 20 which co-operate with spring strips 19, 21 secured to terminals 13, 14. Strips 19, 21 are actuated by the ends of an insulating member 23 pivoted at 22 and having a V-shaped projection whose apex 28 engages a similarly-shaped leaf-spring 29 carried by a bracket 30. Member 23 also has a slot 45 in which slides the hooked end 46 of a link 43 whose other end passes through a bore 44 in a brass rod 37 and engages a piston 42 urged upwardly by a spring 41, the boss 36 of rod 37 being attached to the cord through a screwed cap, Fig. 8 (not shown). In the position shown in Fig. 4, both contact sets are closed through depression of the strips 19, 21 by the member 23 whose surface 24 abuts the base 10. To open, members 37, 43 are pulled down to rotate member 23 to a horizontal position after which, the spring 29 completes the switching movement, and the release of the cord allows members 37, 43 to be restored by the spring 41, the link end 46 moving to the upper end of the slot 45, Fig. 8 (not shown). Member 23 has a lug 53 which projects through the switch housing to indicate the closed position, such indication being improved by making the member 23 a different colour from that of the switch base and cover. The strips 19, 21 may be arranged so that they are deflected away from the fixed contacts by the ends of the member 23, or so that they move in the same plane of movement as member 23.
Patent GB-1063836-A (GB)
Title: Panel pin hammer
Inventor: PAYNE JOSEPH PATRICK
IPC: B25D1/02
Filed: 1964-09-17
Abstract: 1,063,836. Hammers. C. J. V. BROWN. June 9, 1965 [Sept. 17, 1964], No. 37967/64. Heading B4C. A hammer comprises a head 10 having a plunger 13 loaded by a spring 14 and formed with a bore 16 for a striker pin 12 so that a nail may be retained in the bore and when the plunger is moved inwardly during operation, the nail contacts the striker pin thereby driving the nail into a workpiece. A spring-loaded ball 17 and/or a magnet 18 may be used for retaining the nail in the plunger which is prevented from rotating by a pin-and-slot device 13a, 15.
Patent GB-635767-A (GB)
Title: Improvements in or relating to electrical resistors
IPC: H01C10/00
Filed: 1946-12-30
Abstract: 635,767. Electric heating. PHILIPS LAMPS, Ltd. Dec. 30, 1946, No. 38043. Convention date, Sept.29,1943. [Class 39 (iii)] [Also in Group XXXVI] In a resistor in which a resistive layer composed of conductive material and binder material is applied to a metal support coated with an oxide layer, a thin layer of binder material of the kind used in the resistive layer is interposed between the layer of oxide and the resistive layer. The intermediate layer may also include an insulating filler material such as barium sulphate or titanium oxide. The invention may be applied to heating apparatus, such as a liquid container which acts as the metallic support for a resistive layer acting as a heating element. The Specification as open to inspection under Sect. 91 comprises also the following. An insulating underlayer may be made with a base different from that of the binder, or the support and the binder may be made with the same base, e.g. the support may be made of paper with a phenol-formaldehyde binder and a covering layer of a phenol-formaldehyde lacquer mixed with graphite. Fig. 2 (Cancelled) shows a hot-water basin consisting of a basin 11 pressed from artificial resin. On the outside it is covered with a strip 4 of insulating lacquer to which is applied a strip 5 of conductive lacquer connected to conductors 12. The whole is enclosed in a tin envelope 13. This subject-matter does not appear in the Specification as accepted.
Patent GB-907225-A (GB)
Title: Improvements relating to grab cranes
Inventor: FRANKLIN ARTHUR ERNEST
IPC: B66C3/12
Filed: 1958-11-26
Abstract: 907,225. Winches for operating grabs. PRIESTMAN BROS. Ltd. Nov. 16, 1959 [Nov. 26, 1958], No. 38150/58. Class 78 (5). The winch operates the grab through two drums, an opening drum 8 and a hoisting-andclosing drum 12, which are driven by a unidirectional motor via gear 6. The drive is equipped with four clutches 10, 18, 24, 26 of which clutch 10 connects drum 8 to gear 4, clutch 18 connects drum 12 to gear 6, clutch 24 connects drum 12 to gear 22; whilst clutch 26 connects shaft 9 to gear 20 but simultaneously reverses the drive (see later). Drums 8 and 12 are mounted loosely on their shafts. Gear 20 is secured rigidly to drum 8; whilst gears 4 and 6 are secured rigidly to the respective shafts. Operation (Fig. 1).-(1) Hoisting. Clutches 10, 18 are both engaged so that the drums are driven (from gear 6) in opposite directions to wind up the ropes. (ii) Lowering. The weight of the grab rotates both drums. Clutch 24 operates automatically so that the two drums are interconnected by gears 20, 22 which serve to regulate the relative pay-out of the two ropes. (iii) Paying out of ropes when weight of grab is absent. Reversing clutch 26 is engaged. Gear 6 is driven by the motor. The drive to the drum 8 then passes via gear 4, shaft 9, clutch 26, and gear 20 which is solid with drum 8 so that drum 8 pays out its rope. Then drum 8 drives drum 12 via gear 20, gear 22 and clutch 24 to pay out the other rope. Thus the drums are driven simultaneously by the motor to pay out the two ropes. Reversing clutch 26 (Fig. 2).-The drive from shaft 9 passes (via sprockets 32, chains 38, sprockets 40, shaft 44) to gear 50 which is displaceable by the operator to engage gear 56 rigid with gear 20 rigid with drum 8. Clutch 26 therefore drives drum 8 in the opposite direction to the direction in which clutch 10 drives the said drum. A set of stops acts as a safety device to prevent the simultaneous operation of clutch 26 and of clutches 10 and 18. Specification 536,952 is referred to.
Patent GB-989356-A (GB)
Title: Improvements in or relating to building contractors' machinery
Inventor: MULLER PAUL
IPC: E01C19/10
Filed: 1962-01-22
Abstract: 989,356. Heating road materials. AUTOGEN ENDRESS A.G. Jan. 22, 1962, No. 38204/64. Divided out of 989,355. Heading E1T. A chamber 91 for mixing and melting road making or marking materials such as asphalt is surrounded at the bottom and sides by a jacket 94 containing oil heated by pipes 96 through which hot gases from oil or gas burners (not shown) flow. As shown, jacket 94 is enclosed in a further jacket 99, some of the pipes 96 being bent back to discharge into the cavity 100 between jackets 94 and 99 and others being directed towards the or each propane gas bottle (not shown). There may be burners and gas bottles at both ends of the chamber. The hot gases are finally discharged through apertures 56. The containers are discharged from the chamber through a tap (not shown) or are pumped to a distributing pipe and the same pump may be used to supply materials to the chamber from a storage tank.
Patent GB-1101590-A (GB)
Title: Improvements in or relating to the manufacture of semiconductor components
IPC: H01L21/78
Filed: 1965-09-09
Abstract: 1,101,590. Semi-conductor devices. SIEMENS A.G. 9 Sept., 1965 [9 Sept., 1964], No. 38533/65. Heading HlK. A semi-conductor wafer with a plurality of junction device configurations in one face is divided into individual devices by alloying a metal-containing foil to the opposite face in such a manner that the resolidifying material is substantially as brittle as the semi-conductor and then scribing and breaking along the scribed lines. For instance, a silicon wafer with a plurality of planar transistors formed in one face has a doped gold foil alloyed to the opposite face to form an ohmic contact. The alloying effected at 450‹ C., with the foil and wafer clamped between inert insulating supports, so that the resolidifying material is gold-silicon eutectic. Afterwards, the wafer is scored, and broken along the scored lines by rolling between two foils, or by fixing the wafer to a hard support with adhesive or by suction and placing in an ultrasonically agitated fluid. If a silicon carbide wafer is used the gold foil is replaced by one of tungsten, chromium or platinum.
Patent GB-1036420-A (GB)
Title: Medicinally useful isoquinoline derivatives and pharmaceutical preparations containing same
Inventor: OSBOND JOHN MERVYN
IPC: C07D217/20
Filed: 1964-09-22
Abstract: The invention comprises isoquinoline derivatives of general formula <F\1> wherein R1 and R2 are alkyl groups, R3 is 5- or 6-membered heterocyclic group containing S, N or O as the hetero atom and which is joined at one of its carbon atoms, and S denotes substitution comprising up to three alkoxy substituents (two of which in ortho relationship may form an alkylenedioxy group) and wherein the broken lines denote that the chain-alkyl substitution is optional, and acid addition salts thereof.  The isoquinolines may be prepared by the condensation of an N-oxide of general formula <F\2> wherein S and the broken line have the significance above, with a vinyl compound of general formula [R2 or H]-CH=CH-R3 wherein R2 and R3 have the significance given earlier, and either hydrogenolysing the 1,5,6,10btetrahydro - 2H - isoxazolo - [3,2-a] isoquinoline formed or an acid addition salt thereof and Nalkylating, or, except where a vinyl compound of the third general formula above in which R2 is a nitrogen containing heterocyclic group is used, N-alkylating the 1,5,6,10b-tetrahydro2H - isoxazolo - [3,2-a] isoquinoline and hydrogenolysing the product, and in either case if desired converting the product into an acid addition salt.  Pharmaceutical compositions which can be administered enterally or parenterally in the form of tablets, pills, powders, granulates, emulsions, solutions or suspensions or capsules contain a compound of the first general formula above as the active ingredient.
Patent GB-972799-A (GB)
Title: Improvements in or relating to planetary gears,particularly for geared motors
IPC: F16H1/28
Filed: 1963-10-01
Abstract: 972,799. Toothed gearing. FICHTEL & SACHS A.G. Oct. 1, 1963 [Oct. 2, 1962], No. 38641/63. Heading F2Q. In planetary reduction gearing comprising a sun gear 60 on an input shaft 62, planet pinions 58 mounted on a planet carrier 36 secured to an output shaft 28, and a ring gear 14 mounted in a gear-box 10, the output shaft 28 is mounted in the gear-box 10 by means of angular contact ball bearings 24, 26, the inner race of the bearing 24 being formed on the planet carrier 36. The planet pinions 58 are retained on pins 52 by a ring 46. The outer races of the bearings may be formed on a single shell 18 or, alternatively, individual outer races may be used.
Patent GB-1125446-A (GB)
Title: Electrostatic spraying gun
IPC: B05B14/48
Filed: 1965-09-10
Abstract: 1,125,446. Spray-producers; coating apparatus. ASHDEE CORP. 10 Sept., 1965 [16 Sept., 1964], No. 38781/65. Headings B2F and B2L. Apparatus suitable for coating articles such as hollow tubes with powder comprises a body member 11 formed of a non-conductive material such as ebonite and provided with a passage 12, a conduit 16 arranged to supply fluidized powder to the passage 12, a steel charging tube 15 communicating with the passage 12 and forming part of the passageway for the powder, and a substantially coneshaped member 25 which may be of metal, disposed axially with respect to the tube 15 at the outlet end thereof. A high voltage is supplied to the tube 15 from a line 30 via a spring 34, a resistor 35 and a set screw 38. The member 25 is mounted within a shroud 20 by a bracket 26 secured in position by a member 28 and a nut 29. The dispersal of the powder and the separation of 'the powder and carrier gas may be controlled by varying the position of the member 25 with respect to the shroud. In the embodiment of fig. 2 (not shown) the line 30 is connected to the tube 15 by a screw (42) and in a further embodiment, fig. 7 (not shown) the cone shaped member in the absence of a shroud forms a fixed distributor. Fig. 6 (not shown) depicts an apparatus for coating articles (58), which are supported by an earthed conveyor, with powder. Powder from a hopper (51) is fluidized by compressed air fed by a pipe (62) and supplied to an automatically operated gun (40) in a booth 55. Surplus coating powder is recirculated into the hopper (51). The articles (58) may be heated and/or pre-treated and mixtures of powders may be sprayed.
Patent GB-1525818-A (GB)
Title: Alarm generating apparatus
IPC: G04C21/02
Filed: 1976-09-20
Abstract: 1525818 Alarm generating apparatus DAINI SEIKOSHA KK 20 Sept 1976 [22 Sept 1975] 38891/76 Heading G5J Alarm generating apparatus comprises an electro-acoustic transducer having a resonant frequency in the audible range, and driving circuitry, including time-setting means, producing a driving signal for the transducer during a predetermined time-period whose frequency varies unidirectionally within a range including the resonant frequency so that, in operation, the frequency and the volume of the audible sound produced by the transducer change with time. The frequency of the driving signal may vary continuously and linearly or stepwise. The apparatus may be incorporated into a watch or a selective calling system. The time-setting means may be a one-shot multivibrator, and reset means may be provided for terminating the audible sound produced by the transducer.
Patent GB-1387180-A (GB)
Title: Hollow cable
IPC: H01B7/14
Filed: 1972-08-21
Abstract: 1387180 Pipes and tubes FELTEN & GUILLEAUME KABELWERKE AG 21 Aug 1972 [21 Aug 1971] 38926/72 Heading F2P [Also in Division H1] A hollow cable includes a tubular support 1 of flexible homogeneous material, preferably of smooth or corrugated metal for high loads, or polyamide which may be reinforced by a steel spiral and high tensile stringers 2 disposed on the external surface of and immediately adjacent support 1, along with electrical conductors 3 which are disposed in the same layer as, and parallel to the strings 2. A retaining layer 7 of plastics film and/or a braiding of plastics filaments is applied over the layer referred to above, for location purposes and an outer sheath 8 of smooth plastics or rubber completes the structure to improve its strength against mechanical and electrical damage. The electrical conductors 3 consist of a plastics core 5 surrounded by a braided conductor 4 e.g. of copper, and insulated by layer 6, and may be disposed in a direct or longlay fashion about the support 1. In a further embodiment, Fig. 2 (not shown), the inner tube 1 is provided with spacer ribs (9) extending parallel to the stringers 2 and conductors 3, to protect the same against movement within the cable.
Patent GB-830302-A (GB)
Title: Improvements in magnetic sound recording
IPC: G11B5/03
Filed: 1957-12-13
Abstract: 830,302. Magnetic recording leads. BOGEN, W. Dec. 13, 1957 [Dec. 14, 1956; July 19, 1957], No. 38930/57. Class 40 (2). A method of recording signals on a magnetic tape 16 comprises producing a flux in a primary circuit 12 with an electric audio current and a second flux in another circuit 112 with an electric bias current, both circuits having recording gaps 15, 115 in opposied registering relationship, and feeding said tape between said flux circuits past said gaps. In the embodiment shown in the Figure, the gap carrying the audio flux bears on the face of the tape carrying the magnetic coating. Furthermore, part of the output of the bias current generator 21 is fed through a phase converter 22 to produce in primary circuit 12 a controlled amount of flux of opposite phase to that in secondary circuit 112 to counteract the inductive effect of the latter on the primary flux circuit.