baber/WOPTO huggingface dataset:
Patent GB-972379-A (GB)
Title: Improvements in or relating to the magnetic recording and reproduction of composite television signals
IPC: H04N5/921
Filed: 1962-05-29
Abstract: 972,379. Television. AMPEX CORPORATION. May 29, 1962 [June 7, 1961], No. 20692/62. Heading H4F. In a system for magnetically recording and subsequently reproducing a composite television signal difficulty is encountered in restoring the D.C. level of the signal by means of a clamp circuit operated by reproduced synchronizing pulses, due to the poor low frequency response of the recording head, which prevents effective translation of the pulses. The invention involves separating the synchronization pulses from the composite signal prior to recording, causing them to produce oscillatory " bursts " having a frequency (e.g. 5 mc/s.) which is above the maximum frequency of the video signal and below the upper frequency limit of the recording head, recording these " bursts " and the video signal in correct sequence, and during playback separating the " bursts " again, regenerating synch. pulses therefrom and using these new pulses to provide a clamping action to restore the D.C. level. The oscillatory " bursts " are generated by the bias oscillator of the recorder. As shown during recording, the synch. pulses, separated from the composite signal by stripper circuit 10, are differentiated and applied to the keyed clamping circuit 13 to maintain the selected D.C. level of the composite signal prior to recording. The separated synch. pulses are also applied to the frequency-shift, keyed bias oscillator 12 to cause this oscillator to issue a 5 mc/s. pulse " burst " (in place of the normal 10 mc/s.) for the duration of each synch. pulse. The synch. pulses and low frequency component are removed from the output of the keyed clamp 13 by the clipper circuit 16 and band-pass filter 17 respectively and the remaining video signal is combined with the 5 mc/s. " bursts " in the correct sequence and magnetically recorded in the usual manner. During playback the 5 mc/s. " bursts " are separated from the composite signal in the tuned amplifier 30 and applied to detector circuit 32 which effectively reproduces the correct synch. pulses. These are differentiated and again used to clamp the D.C. level in the keyed clamp 13, the output of which is added to the synch, pulses from the detector circuit 32 in the adder circuit 34, thus reforming a composite T.V. signal. The synch. separator 13 comprises a pentode amplifier, a triode inverter and a cathode follower successively coupled together (Fig. 3, not shown). The keyed clamp 13, the differentiator 15, the synch. separator 16 and the signal adder circuit 34 are also described in detail (Fig. 4, not shown).
Patent GB-429754-A (GB)
Title: Improvements relating to reflectors for stoves
IPC: F24C7/06
Filed: 1933-11-06
Abstract: 429,754. Electric reflector stoves. LANDLESS, R. K., Hoarstones Cottage, Fence, Burnley, Lancashire. Nov. 6, 1933, No. 30752. [Classes 39 (iii) and 126] An electric stove comprises a heating element or heating elements B, B<1> arranged within a reflector C which directs the heat rays on to a reflector formed of spaced strips A arranged one above another. The strips A may be of transparent or non-transparent material and may be illuminated by a lamp D behind them. The strips may be adjustable on pivots a. Fig. 5 shows a stove having further reflecting strips E arranged vertically at the sides, which may also be illuminated by internal lamps.
Patent GB-1035131-A (GB)
Title: Improvements in or relating to expansion wall-plugs
IPC: F16B13/12
Filed: 1963-08-02
Abstract: 1,035,131. Wall-plugs. GLAREX A.G. Aug. 2, 1963 [Aug. 7, 1962], No. 30754/63. Heading F2H. The bore 3 of the unslit outer end 2 of a wall plug, which may be moulded from synthetic resin, tapers to a bore 4, shown as square-sectioned, which twists helically, through the slit inner end 1 together with the slits extending in tangential fashion from the bore 4. Two helical slits 5a, 5b are shown, but there may be three equally-spaced slits. The slit-helices can be right or left hand and have a pitch smaller than that shown, i.e. smaller than twice the length of the slit end 1 of the plug. The off-setting of the slits 5a, 5b from the plug axis, i.e. as shown in the view of the plug inner end 1a, Fig. 2, is in an anti-clockwise direction so that the driving- in of a right-hand screw causes the slits to tend to close but it can be in the opposite direction for a left-hand screw. The ends 5c, Fig. 4c, of the slits 5a, 5b, through annular ribs 1c diverge and open perpendicularly to a diametral plane of the slit end 1, irrespective of the direction of the slits, to facilitate extraction from the mould. Extended webs 6 and flush webs 7 are located between the annular ribs 1c. Tongues 8 at the outer end of the slit end 1 are pressed against flat portions of the plug outer end 2 to prevent turning of the plug when it is in position. Notches 10 in the edge of the mouth 2a facilitate squeezing of the mouth into the wall hole.
Patent GB-708518-A (GB)
Title: Method for the extraction and recovery of hydrogen cyanide
Inventor: DRAKE LEWIS ROYAL
IPC: C01C3/04
Filed: 1952-12-04
Abstract: Hydrogen cyanide is extracted from gaseous mixtures with a solvent consisting of a phosphite compound, liquid at room temperature and having the general formula <FORM:0708518/III/1> wherein R and R1 are alkyl radicals containing from 1 to 4 carbon atoms and may be the same or different.  Solvents specified are dimethyl, diethyl, di-n-propyl, di-n-butyl, and di-iso-butyl phosphite.
Patent GB-356534-A (GB)
IPC: B01D53/08
Filed: 1930-10-15
Abstract: <PICT:0356534/III/1> <PICT:0356534/III/2> The invention relates to the removal of strata of adsorption media e.g. for regeneration, from adsorption apparatus, and consists in introducing a liquid or gaseous flushing medium into the lower part of the vessel to flush the marginal portions of the charge towards the outlet.  A stratum of uniform thickness is thus removed.  Fig. 1 shows an adsorption chamber A provided with a central outlet F and a ring of nozzles J through which the flushing medium is introduced.  In another modification, Fig. 4, the adsorbent is supported on concentric rings G1, which may be in one plane, or in different planes as shown.  The rings may either be flat or of inverted V cross section.
Patent GB-1045668-A (GB)
Title: Agitator for centrifugal spreader, particularly for spreading mineral fertilizers
IPC: A01C15/00
Filed: 1965-07-21
Abstract: 1,045,668. Centrifugal distributers. AMAZONEN-WERKE H. DREYER. July 21, 1965 [July 25, 1964], No. 30964/65. Heading A1D. A centrifugal distributer is provided with agitator blades 6, 7, 8 mounted on a shaft 1 which is driven by the shaft 10 of the spreading device 13 and is supported in a bearing 4 adjustably mounted on a strap 16 fixed to the hopper walls.
Patent GB-282967-A (GB)
Title: Improvements relating to apparatus for generating foam suitable for fire extinguishing purposes
IPC: A62C5/00
Filed: 1926-12-07
Abstract: 282,967. Pyrene Co., Ltd., and Bedford, H. E. Dec. 7, 1926. Fire - extinguishing by foam.- A foam-generating plant comprises two receptacles a<1>, a<2> which respectively hold the acid and alkali reagents in powdered form and feed them in correct proportions to the two branch streams of a divided stream of water, the branches entering the lower portions d<2> of the receptacles by pipes t', t<2>. In each lower portion is an injector u, v fed by the respective branch t<1>, t<2>, and each injector has water jets w delivering water to take up and dissolve the powder fed from the upper portion of the receptacle. The powders are fed by rotary slotted discs b mounted on shafts g and provided on their periphery with teeth n in mesh with a pinion o driven by a worm r and electric motor s. The solution streams escape by pipes y<1>, y<2> and only mix in proximity to the foam nozzle z, or in a mixing tank. The motor s is controlled by automatic or hand means so that the powder feed is regulated in accordance with the pressure of the water stream. The containers a<1>, a<2> may have a downwardly-expanding cross-section, and the disc discharger may be replaced by a mechanical stirrer and regulated outlet, or by a worm feed, or other mechanical device. The motor s may be replaced by a water motor fed by a byepass from the water stream or solution streams, or a rotary powder distributor may be driven by vanes in a chamber into which the water stream Hows tangentially, and a pressure head in the water may be obtained by a gravity fall to the discharge point or by a pump. The apparatus may be constructed in portable form.
Patent GB-755398-A (GB)
Title: Improvements in chain saw winches
IPC: B66D1/20
Filed: 1954-10-27
Abstract: 755,398. Winches for portable saws. CLUBLEY ARMSTRONG DANARM, Ltd., J. (Falcon Winch Inc.). Oct. 27, 1954, No. 31027/54. Class 78 (5). A winch for attachment to a portable chain saw comprises a drum 21, drive means 23 for engaging the driven sprocket of the saw and for thus driving the drum, and detachable means 12 for detachably securing the winch to the chain saw mounting 10. As shown, drum 21 is mounted on its lightweight frame 20 which is secured to the chain saw frame 10 by studs 12 (which normally secure the chain saw to said frame) and driving connection is made to driven sprocket 11 (which normally drives the chain saw) of the frame 10 by female sprocket 23 carried by frame 20, said female sprocket being slidable to facilitate fixing and being connected by reduction gearing 70, 72, 75, 43 to the drum. Brake band 85 is operated by handle 86.
Patent GB-864193-A (GB)
Title: Improvements relating to the measurement of axle loads of railway vehicles
Inventor: BOOTY MARTYN
IPC: G01G3/142
Filed: 1958-09-29
Abstract: 864,193. Railway vehicles axle load measuring systems. SAUNDERS-ROE Ltd. Sept. 14, 1959 [Sept. 29, 1958], No. 31074/58. Class 40(1). [Also in Group XL (c)] A system for measuring axle loads of railway vehicles comprises a pair of electric resistance vertical strain gauges (e.g. 11 and 12) made of thin foil on opposite vertical faces of the web of a rail 28 at a point where it rests on a sleeper or other support 30, and a circuit to indicate or record the mean value of the strain, thus balancing out lateral strains. Gauges can be similarly arranged on the companion rail 29 and each pair is temperature-compensated by similar and adjacent gauges (e.g. 17 and 18) orientated so as not to respond to vertical compression, Fig. 1. All the gauges in their balanced pairs are connected in a bridge-circuit, Fig. 2, the output of which is amplified in a pushpull transistor circuit, Fig. 5 (not shown) and operates, for example, a thyratron relay unit which responds to the different loads at different thresholds and may control the braking intensity accordingly. Alternatively the four gauges forming each arm may be all in series or all in parallel. In a static weighbridge, the strain 81 and compensating 82 gauges are incorporated in the same foil of dimensions about 6x1 inches and consist of zig-zag tracks as in Fig. 4. Duplication of such gauges at adjacent sleeper support positions, Fig. 3 (not shown), enables complete vehicle loads to be measured.
Patent GB-487151-A (GB)
Title: Improvements in or relating to the manufacture of centrifugally cast ferrous metal tubes
IPC: B22D13/10
Filed: 1936-11-13
Abstract: 487,151. Mould linings. LANGENOHL, M. Nov. 13, 1936, No. 31096. Convention date, Jan. 17. Addition to 431,739. [Class 83 (i)] A mould for the centrifugal casting of ferrous tubes is lined, as described in the parent Specification, with liquid or plastic material, such as silicon, aluminium, or phosphorus, in such reduced quantities that it is completely absorbed by the cast metal and produces an exterior graphitic structure thereon. Instead of using pure substances they may be used in the form of alloys with iron. The alloy should contain at least 8 per cent of the active material if silicon is used, 6 per cent if aluminium, and 4 per cent if phosphorus. The lining may be applied in a superheated condition or may be laid on a previously inserted lining which will hold the active material a distance from the mould.
Patent GB-874728-A (GB)
Title: Improvements in and relating to vehicle suspension
Inventor: SPENCER JACK CROSSLAND
IPC: B61F5/30
Filed: 1957-10-04
Abstract: 874,728. Railway vehicle suspension. SPENCER MOULTON & CO. Ltd., GEORGE, and DISTINGTON ENGINEERING CO. Ltd. Jan. 5, 1959 [Oct. 4, 1957], No. 31179/57. Class 103(6). The circular section axle 3, Fig. 1, of the wheels 6 of a railway vehicle is housed in an aperture 4 in an inverted truncated V-shaped block 5 welded to support plates 78 bonded to rubber shear pads or sandwiches of rubber and metal plates in turn bonded to inclined horn plates 9, 10, welded to a top sill 11 and to fillet plates 12, 14 also welded to the sill 11, the latter having an aperture 20 to receive a pin 19 on the block and being secured to the vehicle frame 17 by studs or bolts 16 and nuts 18. An aperture 21 in the frame 17 is aligned with the aperture 20. Specification 791,864 is referred to.
Patent GB-862986-A (GB)
Title: Improvements in or relating to shopping carts and load indicators therefor
IPC: B62B3/18
Filed: 1958-09-30
Abstract: 862,986. Visible signalling apparatus. TYLER REFRIGERATION CORPORATION. Sept. 30, 1958 [Nov. 18, 1957], No. 31227/58. Class 118. [Also in Group XXXII] A shopping cart which may be nested with similar carts (see Group XXXII) has an upper basket 11, Fig. 1, and a lower frame 34 forwardly pivoted at 37 and supporting a basket 12 which when loaded pivots into a horizontal position against the action of a spring 36 and operates an indicator 52. One of the frame members 21, Fig. 3, contains a spring-supported member 43 having a hook 44 extending therefrom, which hook 44 is depressed by a hook 47 on downward movement of the basket 12. A Bowden cable attached to the slidable member 43 passes up the side of a triangular frame support 24, 27, 28 and has its wire 51, Fig. 4, connected to a coloured indicator plate 53 slidable within a sleeve 54 having an aperture 55 therein. In another embodiment, Fig. 9, the Bowden cable is fixed to and rotates a pulley 61 keyed to a shaft 58 mounting a flag 62. In a modification, the slidable member 43 and its spring are housed in a separate tube clipped to one of the tubes 21. Specification 847,976 is referred to.
Patent GB-1479362-A (GB)
Title: 3,17,18-trihydroxy-1,3,5(10)-oestratrienes and their derivatives
IPC: C07J1/00
Filed: 1974-07-15
Abstract: 1479362 3,17,18 - Trihydroxy - 1,3,5(10)- estratrienes and their derivatives SCHERING AG 15 July 1974 [13 July 1973] 31240/74 Heading C2U Novel steroids of the formula (wherein R<SP>1</SP>, R<SP>2</SP> and R<SP>3</SP> are each H, acyl, optionally substituted alkyl, cycloalkyl or an oxygen-containing saturated heterocyclic radical; and R<SP>4</SP> is H or an optionally substituted hydrocarbon radical) are prepared from the corresponding 17-ones by reduction or reaction with an organo-metallic compound. Free hydroxy groups may subsequently be esterified or etherified and esterified or etherified hydroxy groups may be converted to free hydroxy groups. 3,18 - Bis - tetrahydropyranyloxy - 1,3,5(10)- estratriene-17-one is prepared from the free diol and dihydropyran. Similarly the corresponding bis-methoxy and bis-heptanoyloxy compounds are prepared from the diol and, respectively, methanol and heptanoic anhydride. The novel steroids have a strong vaginotropic and weak uterotropic action and are suitable for the treatment of estrogen-deficiency phenomena. They may be made up into pharmaceutical compositions with suitable carriers.
Patent GB-430795-A (GB)
Title: Improvements in or relating to compositions for preventing metals from tarnishing, and methods of making said composition
IPC: C23F15/00
Filed: 1934-10-31
Abstract: 430,795. Drying-agents. KLEINER, I. S., 196, Rutland Road, Brooklyn, New York, U.S.A. Oct. 31, 1934, No. 31260. [Class 34 (i)] [See also Group III] A composition for drying and purifying air to prevent the tarnishing of metals therein comprises porous lumps of a deliquescent dehydrating material having an affinity for carbon dioxide impregnated in the dry state with a finely divided dehydrating material having an affinity for hydrogen sulphide. For example, granular anhydrous calcium chloride is mixed with pulverized anhydrous copper sulphate until the latter penetrates the pores of the former. The impregnated lumps may be coated with an inert powder, such as talc.
Patent GB-450914-A (GB)
Title: Improvements in skein covers and processes employing the same
IPC: D01D10/04
Filed: 1935-11-12
Abstract: <PICT:0450914/IV/1> <PICT:0450914/IV/2> <PICT:0450914/IV/3> <PICT:0450914/IV/4> Artificial silk skeins are protected during wet treatment such as washing, desulphurizing, and bleaching, by means of a tubular knitted fabric of artificial silk having part of its length of greater diameter than the rest so that it can be folded to envelop the skeins.  The wales run circumferentially of the tubular cover and lie parallel to the yarn of the skeins.  As shown in Figs. 1 and 3, the cover is constructed of two blanks 16, 18, the wales running in the direction of the edges 19, 20, and the blanks are stitched together to form a tubular cover.  The half 25 of each blank is of increased width so as to form the outer part of the cover.  The cut edges 22, 23, are seamed and tapes 30 are stitched on.  The skeins are removed from the reeling device and, as shown in Fig. 7, placed over the portion 12 of the cover suspended from a rod 37.  The outer portion 13 is then drawn over the skeins and the tapes 30 are tied so as to close the cover.  The rack containing rods 37 is passed to a washing machine.  As shown in Fig. 9, liquid is sprinkled on the skeins from a tank 41.  The rod 37 may be rotated first one way, then the other, to ensure uniform treatment.  Owing to the slight stretching of the cover by the weight of liquid and to the tapered portions 26 of the blanks as shown in Fig. 1, the resulting sag forms a pocket which retains a pool 42 of treating liquid.  The skeins may be treated with the various liquids in succession in a similar manner.  Liquids may be pressed from the skein packages by passing them between rollers. Drying may be effected between liquid treatments as well as at the end of all the wet treatments.  By the use of the fabric cover, the skeins may be treated in unlaced condition, and instead of being wound in open diamond form, the yarn may be wound as a closed skein, the frequency of the traverse cycle being adjusted to give a non-uniform mesh.
Patent GB-1174745-A (GB)
Title: Improvements in Seals for Electrical Devices
Inventor: WRIGHT JOHN WILLOUGHBY THOMAS
IPC: H01K1/38
Filed: 1968-07-01
Abstract: 1,174,745. Electric incandescent lamps. BRITISH LIGHTING INDUSTRIES Ltd. 1 July, 1968, No. 31324/68. Heading H1F. [Also in Division C1] A seal for an electric device, e.g. a tungstenhalogen lamp comprises a quartz glass envelope 16 and a lead-in conductor sealed in and extending through a flattened neck 17 of the envelope, the lead-in conductor having respectively metal foil portions 19 arranged in layered array, adjacent foils of the array being separated by a glass 21 having a lower softening point than the quartz glass, the foils being hermetically sealed between the neck of the envelope and the lower softening point glass. In a preferred form the lead-in conductor comprises a pair of molybdenum foils 19 sealed into the quartz glass neck 17 with " Vycor " glass (Trade Mark) separating them to form a good seal. A loop of tungsten wire 18 connected at each end leads into the envelope and a loop of platinum coated molybdenum wire 20 leads outside the neck, each end being connected to a free end of a foil 19. In an alternative embodiment (Fig. 3, not shown) there is sealed into the neck two lead-in conductors each similar to that above. Another embodiment discloses a lead-in conductor having three foils 19<SP>111</SP> in a layer each pair of adjacent foils being separated by a layer 21 of " Vycor " glass. Three tungsten wires 18<SP>111</SP>, 22 in parallel, one wire connected to each foil, lead to the inside of the envelope and similarly three platinum coated molybdenum wires 20<SP>111</SP>, 23 to parallel lead from the foils to the outside of the neck.
Patent GB-937090-A (GB)
Title: Rolling mill plants and their operation
IPC: B21B35/04
Filed: 1962-08-15
Abstract: 937,090. Rolling. ALUMINIUM-INDUSTRIE A.G. Aug. 15, 1962 [Aug. 22, 1961], No. 31327/62. Class 83 (4). In a method of driving a mill having steel rolls between which aluminium or aluminium alloy ingots are rolled to blooms, a D.C. electric motor connected to a main current supply normally drives the rolls, but in the event of a power failure the motor is driven in the opposite direction by current from a storage battery in order to prevent damage to the rolls by the hot ingot. Relays sensitive to a failure switch the motor from the mains supply to the battery.
Patent GB-1069603-A (GB)
Title: Improvements in or relating to 9,10-dihydro-anthracene derivatives
Inventor: JUCKER ERNST
IPC: C07D211/08
Filed: 1964-08-04
Abstract: The invention comprises compounds of the formula <FORM:1069603/C2/1> in which each of R1 and R2 represents a C1- 4 alkyl or C2- 4 alkenyl radical, and either R3 represents a hydrogen atom and R6 and R4 together represent a trimethylene or tetramethylene radical, or R4 represents a hydrogen atom and R6 and R3 together represent a dimethylene or trimethylene radical, and X represents a hydrogen or chlorine atom; acid addition salts thereof; and their preparation by dehydrating an alcohol of the formula <FORM:1069603/C2/2> and, when an acid addition salt is required, reacting the resulting compound with an acid.  Alcohols of the Formula II are prepared by hydrolysing a product obtained by condensing an anthrone of the formula <FORM:1069603/C2/3> with a Grignard compound of the formula <FORM:1069603/C2/4> in which Y represents a chlorine, bromine or iodine atom.  2 - Chloro - 10,10 - dimethyl - anthrone - (9) is prepared by reacting lithium methylate with 2-chloro-anthrone-(9) followed by treatment with methyl iodide.  Pharmaceutical compositions having antidepressive, antipsychotic and psychorelaxing activity, for enteral or parenteral administration, comprise a compound of the invention together with a physiologically acceptable carrier.
Patent GB-691807-A (GB)
Title: An improved kneading and mixing machine for viscous, paste-like or pulpy substances like glue and so forth
IPC: B01F25/62
Filed: 1950-12-27
Abstract: 691,807. Mixing appliances. JAGENBER G-WERKE AKT.-GES. Dec. 27, 1950 [Jan. 14, 1950], No. 31378/50. Class 86 An appliance for homogenizing and/or mixing powdery or pulpy substances such as glue or the like and for stirring powdery substances with water or with a solvent comprises a filling funnel 6 divided into two compartments 6a and 6b either of which may be placed into communication through a changeover cock 9 with a mixing chamber 4 having mixing elements in the form of a gear pump. The outlet of the mixing chamber comprises a tube 13 having its free end slewable for location over either of the compartments 6a or 6b, and the arrangement is such that the substance conveyed by the gear pump will be fed either to the compartment open to the mixing chamber for repeated circulation or to the compartment closed to the mixing chamber for completely emptying the open compartment. The tube 13 is also used for finally drawing off the finished substance. Liquid or gas may be taken into the mixing chamber at the same time but separately from the substance to be treated through a pipe 11 provided with a shut-off cock 10.