baber/WOPTO huggingface dataset:
Patent GB-495048-A (GB)
Title: Process and apparatus for making elastic threads
IPC: B29D99/00
Filed: 1937-05-06
Abstract: 495,048. Rubber threads. SPENCER, W. M. May 6, 1937, No. 12953. Addition to 464,958. [Class 70] In the manufacture of rubber threads by the process described in the parent Specification, in which latex flowing downwardly over a weir is drawn by capillarity into grooves on the surface of a heated member, the grooves are replaced by blades, the collecting edge of which may be flat, convex, or slightly concave. A drum is made up of discs 18, Figs. 2, 3, separated by wider discs 20 of less diameter, mounted on a shaft 19. This is rotated in a clockwise direction, and picks up latex flowing over weirs 5, 9, by capillarity. The distance of the collecting edge 21 from the normal surface of the latex may be 0.25-3 mm. depending on the viscosity of the latex, temperature, and speed of rotation. For forming flat threads, groups of blades 27, Fig. 8, are employed the members of which are sufficiently close to allow the latex to bridge the gap 29.
Patent GB-524916-A (GB)
Title: Improvements in veterinary appliances for administering medicines
IPC: A61D7/00
Filed: 1939-05-01
Abstract: 524,916. Drench syringes. WATSON, A. V., and COOPER-STEWART ENGINEERING CO., Ltd. May 1, 1939, No. 12969. [Class 102 (i)] A drenching syringe for veterinary use comprises a cylinder a with its ends detachably engaged in connected end covers b, b<SP>1</SP>, one cover b of which is integral with the fixed portion d of a pistol-grip handle having a movable portion d<SP>1</SP> with a forked extremity connected to a crosshead p which is secured to a piston rod h projecting through the other cover b<SP>1</SP>. The covers b, b<SP>1</SP> are connected by a pair of side members c, the cylinder a is held in position by a removable screw plug e, and washer plates f, f<SP>1</SP> are arranged between the ends of the cylinder and the cover b and plug e. The delivery valve comprises a perforated disc h enclosed in a rubber moulding i the convex lip i<SP>3</SP> of which normally overlaps the holes h<SP>1</SP> in the disc. A similar valve l is mounted on a rubber moulding bucket-piston m which is secured by a screw k<SP>1</SP> to the end of the hollow piston rod k. The latter is formed with two slots k<SP>3</SP>, and is coupled to a flexible supply pipe n by a sleeve o formed with the crosshead p. A bent wire r is bowed over the sleeve o, coiled at r<SP>1</SP> around trunnions p<SP>1</SP> on the crosshead p, and formed into loops r<SP>2</SP> to spring over pegs q on the movable handle portion d<SP>1</SP>. The latter is slotted at t to engage a screwed rod u, and its stroke is adjusted by means of stop nuts x, x<SP>1</SP>, the return stroke being produced automatically by a bent wire spring y<SP>1</SP> A mark on the extremity of the handle portion d<SP>1</SP> may co-operate with a scale on one of the side members c to serve as an indicator.
Patent GB-846257-A (GB)
Title: Improvements in rotary pumps
IPC: F04C2/12
Filed: 1959-04-16
Abstract: 846,257. Rotary pumps. IMPROVED MACHINERY Inc. April 16, 1959 [July 8, 1958], No. 12978/59. Class 110 (2). Each of a pair of rotors is provided with a number of radial vanes 20, coacting recesses 6 and sealing shoulders 26, 28 as shown. Each vane may taper from the middle towards each end, Fig. 2, the recesses tapering to suit to provide a small running clearance with the tips. The vane tips may be adjustable. Sealing rings 52 are supplied with water under pressure through ducts 53. The rings may be of lead-tin alloy and the rotor and shaft of stainless steel. The vane tips may be free from tapering axially, Fig. 14 (not shown), or the tapered portions commence at some distance from the vane middle, Fig. 15 (not shown).
Patent GB-1506711-A (GB)
Title: Frequency responsive circuits
IPC: G01F1/90
Filed: 1974-03-23
Abstract: 1506711 Frequency responsive circuit SOLARTRON ELECTRONIC GROUP Ltd 21 March 1975 [23 March 1974] 13007/74 Heading H3T The passage of a signal from a frequency domain transducer to an output 40 of frequency responsive circuit 10 is inhibited whenever the signal at input 12 lies without a range bounded by predetermined limits, the range embracing the normal range of frequencies produced by the transducer, the output signal at terminal 40 being derived from a monostable circuit 22. The duration of the unstable state of monostable 22 is just below the minimum period of signals produced by the transducer 14. Pulses (b) Fig. 3 (not shown) derived by clipping the transducer output waveform (a) trigger bistable 30 in a known frequency sensitive I.C. switch circuit 26, one bi-stable output Q being directly connected to comparator and averaging counter 32, the Q bi-stable output passing via cascaded monostables with timing circuits 34, 38; 36, 39, whose respective unstable states have durations t and t 2 , where t 1  = 1/f 1 , t 1  + t 2  = 1/f 2  where f 1  and f 2  are the upper and lower limit values, counter/comparator 32 providing an output signal only if the Q pulse, averaged over a number of pulses, terminates during the existence of the unstable state of monostable 36, in which case the transducer output frequency lies between the limits f 1  and f 2 . The counter/comparator output renders a F.E.T., connected in series and the input, or output of monostable 18 conducting to allow passage of the transducer signal. Alternatively a shunt F.E.T. may short the input of the monostable when blocking is required. The input signal clipping is performed by a pair of back to back diodes (51,52), Fig. 2 (not shown) in the input circuit of an op. amp. with feedback. When the signal is blocked, circuit 42, or an inverter (not shown) coupled to connection 28 provides an alarm signal, indicating that a total mass flow being produced by integrating the mass flow derived in circuit 42, receiving the signal from output 40 representing gas or liquid density, and a flow signal from turbine volume flowmeter 46 is invalid. The known transducer comprises a hollow cylinder in the liquid or gas, excited in a hoop mode resonance whose frequency is detected, and noise on cable 16 tends either to place the frequency of the signal at input 12 outside the transmitted range, or, for interference pulses, merely tends to change the timing, but not the number, of pulses from monostable 22; (c, Fig. 3).
Patent GB-109119-A (GB)
Title: Improvements in Chimneys, Cowls, or Ventilating Appliances.
Inventor: MOSS FRANCIS EVAN
IPC: F23L17/02
Filed: 1916-09-14
Abstract: 109,119. Moss; F. E., and Smith, W. H. Sept. 14, 1916. Chimney &c. tops.-Apertures b with inwardly projecting lips are arranged in tiers one above the other as shown, the upper edges of the lip being substantially level with the upper edges of the apertures. An outer casing d may surround all the apertures as shown in Fig. 1, or the upper ones only, as shown in Fig. 3.
Patent GB-1109665-A (GB)
Title: Method of preventing the caking of substancesapt to cake
Inventor: MARUTA IWAO
IPC: C05G3/30
Filed: 1965-03-29
Abstract: Ammonium nitrate, ammonium phosphate, ammonium sulphate, ammonium chloride, potassium chloride or calcium superphosphate or mixtures thereof are prevented from caking by adding thereto (a) a solution in a concentrated aq.soln. of a surfactant of polyvinyl acetate, its partially saponified products insoluble in water or acetals of 1 to 4 carbon atoms of polyvinyl alcohols or (b) a mixed aq. soln. of a surfactant and polyvinyl alcohol, polyvinyl pyrrolidone, polyacrylic acid or its salts, polyacrylamide, polyvinyl sulphonic acid or its salts, polyvinyl methyl ether, polymethacrylic acid or its salts, water-soluble urea-formaldehyde resins, water-soluble melamine-formaldehyde resins, polyethylene glycol, carboxymethyl cellulose or methyl cellulose.  The treated substance(s) is dried to produce particles having a branched configuration.  The weight ratio of polymer-surfactant may be from 1 : 10 to 10 : 1.  The polymer and surfactant can be sprayed on to or mixed with the cakeable substance(s).  The Specification illustrates the addition of polymer or surfactant alone to the cakeable substance.ALSO:Urea, ammonium nitrate, ammonium phosphate, ammonium sulphate, ammonium chloride, potassium chloride or superphosphate of lime or mixtures thereof are prevented from caking by adding thereto (a) an aq. soln. of a surfactant and polyvinyl acetate, its partially saponified products insoluble in water or acetals of 1 to 4 carbon atoms of polyvinyl alcohols or (b) a mixed aq. soln. of a surfactant and polyvinyl alcohol, polyvinyl pyrrolidone, polyacrylic acid or its salts, polyacrylamide, polyvinyl sulphonic acid or its salts, polyvinyl methyl ether, polymethacrylic acid or its salts, water-soluble urea-formaldehyde resins, water-soluble melamine-formaldehyde resins, polyethylene glycol, carboxymethyl cellulose or methyl cellulose. The treated substance(s) is dried to produce particles having a branched configuration.  The weight ratio of polymer-surfactant may be from 1:10 to 10:1.  The polymer and surfactant can be sprayed on to or mixed with the cakeable substance(s).  The Specification illustrates the addition of polymer or surfactant alone to the cakeable substance.
Patent GB-291375-A (GB)
Title: Improvements in safety locks
IPC: E05B21/00
Filed: 1928-05-04
Abstract: 291,375. Birot, J. P. J. May 31, 1927, [Convention date]. Lock mechanism, tumbler-type and masterkey.-A lock casing 1 has partitions 2, 3 forming compartments for the bolt 7 and springs 8, 9 carrying stops 12, 13 which enter apertures 14 in the bolt and are disengaged by supplementary bits 19, 20 on the key. The main bit 18 actuates the bolt and may also engage a guard 24 to release a spring detent 23 from a notch in the bolt. The supplementary bits engage bevelled parts 16, 17 on the springs. 8, 9. these parts being varied for different locks. The size of the compartments is determined by spacers 4, 5, 6, and these together with the thickness of the partitions, may also be varied. The partitions may also carry suitable wards. The casing may carry several bolts, each bolt having one or more stops, and the bolts being operated in one form by a single key and in another form each by a separate key. To use the key from either side, the parts 16, 17 and the bits 19, 20 are made the same size.
Patent GB-592690-A (GB)
Title: Improvements in, or relating to, riddling or sifting machines
IPC: B07B1/30
Filed: 1945-05-26
Abstract: 592,690. Sifting-apparatus. GUEST, J. H. May 26, 1945, No. 13229. [Class 117] A sifting-machine comprises a framework 3 with an open crown, a sieve support suspended below the crown from links 7, a walled sieve 12 readily detachable from the support, and a power-driven crank connected to the support whereby it is oscillated. As shown, the support consists of links 8 connected by rods 10 which are provided with cams 11 locating the sieve 12. The cams may be adjustable. The support is driven from a motor 13 through a transverse rod 9 and connecting rod 18, a crank-pin on a pulley 16 and reduction gear 14, 15. In a modification, the sieve is detachably secured to the support by means of brackets with sockets fitting on to pegs.
Patent GB-440988-A (GB)
Title: Improvements relating to detachable terminal plates for electrical apparatus
IPC: H01R9/22
Filed: 1935-05-03
Abstract: 440,988. Distribution boards; twopart couplings. WESTINGHOUSE BRAKE & SIGNAL CO., Ltd., 82, York Road, King's Cross, London.-(Assignees of Beall, C. R.; 7571, Church Street, Swissvale, Pennsylvania, U.S.A.) May 3, 1935, No. 13255. Convention date, Jan. 2. [Class 38 (i)] Connection is made between a number of electric leads 2 and the terminals 3 of an apparatus such as a railway signalling relay 1, by means of a plate 5 carrying terminals 10 for the attachment of the leads and clips 18 for making contact with the terminals 3. In order to replace the apparatus 1, all the leads can thus be removed therefrom simultaneously without interfering with the individual connections. The clips 18 correspond in position to the terminals 3 and the relative position of the plate 5 and terminals 3 can be correctly determined by the provision of one or more guide pins on the apparatus 1 entering holes in the plate. When in position on the terminals 3, the clips 18 are simultaneously compressed by a pair of apertured clamping plates 20, 20a each having a projection entering one side of each of the apertures of the other clamping plate, so that each clip 18 is located between a pair of projections. By sliding the clamping plates upon one another by means of a screw 41 that screws into one plate and abuts on the end of the other, each pair of projections will close on and compress one of the clips 18. The plates are supported by pins 25 at each end.
Patent GB-1277683-A (GB)
Title: Process for separating into solid and liquid components a mixture of fatty materials selected from fatty acids, fatty alcohols and fatty acid esters
Inventor: SCHMIDT HANS JOACHIM
IPC: C11B7/00
Filed: 1970-03-19
Abstract: 1277683 Separation of mixtures of fatty materials METALLGESELLSCHAFT AG 19 March 1970 [26 March 1969] 13285/70 Heading C2C [Also in Division C5] Mixtures of C 6-24  fatty materials selected from fatty acids, fatty alcohols and fatty acid esters are separated into components having different melting points by mixing the mixture in a molten state with an aqueous solution of a wetting agent, the mixture then being cooled by evaporation of part of the water under reduced pressure to crystallize the solid components whereafter the resulting dispersion is separated into solid and liquid components. In the examples tallow fatty acid was separated into oleic and stearic acids using sodium dodecyl sulphate as wetting agent.
Patent GB-133744-A (GB)
IPC: C13B10/08
Abstract: 133,744. Alexander, H. S. Oct. 11, 1918. Drawings to Specification. Extracting sugar.-In preparing edible syrup from sugar beet, the roots are cooked before pulping, preferably by steam under pressure, so that the pectic and albuminous substances are coagulated, the juice caramelized, and the sugar in part inverted. Steam at a pressure of three kilos per sq. cm. and a temperature of 110-130‹ C. may be employed. The roots are then shredded and macerated and the pulp filtered. The juice is concentrated, and the pulp again macerated with hot water and again filtered. The filtrate is used as a macerating-liquid in the first set of macerators, and the pulp dried and used as food for animals,
Patent GB-1324589-A (GB)
Title: Container of plastics material
IPC: B65D23/10
Filed: 1972-03-22
Abstract: 1324589 Plastics containers HOOVER BALL & BEARING CO 22 March 1972 [29 March 1971] 13476/72 Heading B8D A thin-walled blow-moulded plastics, e.g. polyethylene, bottle 10 comprises four sidepanels 22, 24, 26 and 28 which are interconnected by planar corner-panels 30, 32, 34 and 36, opposed side panels sloping outwardly away from each other from the bottom to the top so that the greater bulge occuring in the lower region of the bottle when filled with a liquid makes each opposed pair of walls appear parallel. The inclination of each side-panel with respect to the longitudinal bottle axis is approximately one-half degree. The cornerpanels are sloped downwardly and outwardly. Circumferential concave ribs 40 and 42 are provided, the portions of the rib 40 in the sidepanels being deeper than those portions in the corner-panels, Figs. 6 and 8 (not shown). A hollow handle 38 is formed adjacent the neck 18. The bottom 12 of the bottle, Fig. 4 (not shown), is of concave shape and stiffened by a rib 44.
Patent GB-135384-A (GB)
IPC: F41A3/78
Abstract: 135,384. Craig, A. M. Feb. 5, 1919. Machine guns.-A buffer for the action comprises a member adapted to slide longitudinally in a casing fitted with transversely-sliding spherical cushioned members, normally entering sockets on the longitudinally sliding member, but adapted to be forced therefrom when this member slides in the casing. As applied to a small-arm, the casing 12, Fig. 1, is screwed to the rear of the breech-casing 11, and encloses the sliding member 16, against which the breech-bolt 10 is adapted to strike at the end of its rearward movement. In the form illustrated, the member 16 is of square section, as shown in Fig. 3, and is formed with sockets 17 into which balls 18 are adapted to be pressed by springs 20 held in guideways 19 by a screw-cap 21. The depth of the sockets 17 is preferably about two-fifths of the diameter of the balls 18. When the bolt 10 strikes the member 16, this moves rearwardly and forces the balls out of their sockets against the action of the springs 20.
Patent GB-420789-A (GB)
Title: Improvements in automatic volume control systems in radio reception and the like
IPC: H03G3/22
Filed: 1933-04-07
Abstract: 420,789. Valve circuits for wireless reception. ROBINSON, E. Y., Garvary, Dryden Road, Bush Hill Park, Enfield, Middlesex, and ASSOCIATED ELECTRICAL INDUSTRIES, Ltd., Crown House, Aldwych, London. April 7, 1933, No. 13588/34. Divided out of 420,745. [Class 40 (v)] The delayed action of an automatic volume control rectifier is produced by a biassing source connected between its load resistance and the source of high frequency potential to be rectified, the cathode of the rectifier being at " earthy " potential. In one embodiment a double diode triode valve 5, of the type described in Specification 420,745, comprises a directly heated cathode connected through a load resistance 14, delay bias battery 15 and input tuned circuit 2 to the diode rectifier anode 16, delayed A.V.C. potentials being fed to a prior valve 1 through a filter 17, 18. The tuned circuit 2 also feeds, through a condenser 3, a detector diode anode 4 having a load resistance 6 feeding rectified signal potentials through a filter 8, 11 to the control grid of valve 5, amplified signals being taken from the meshed main anode 12. A further biassing battery, which will determine the minimum bias on the grid of valve 1, may be inserted between the resistance 14 and the cathode of valve 5. In a second embodiment, (Fig. 2, not shown), the usual form of double diode triode valve is used.
Patent GB-112402-A (GB)
Title: Improvements in Flexible Couplings.
Inventor: ADAMS WALTER LAWSON
IPC: F16D3/221
Filed: 1917-09-21
Abstract: 112,402. Adams, W. L. Sept. 21, 1917. Universal joints.-The spherical end f of one shaft e engages a spherical cavity b in a flange on the end of the other shaft. Balls d, preferably six in number, in cavities in the ends of plugs c engage longtudinal recesses g in end f. The flange is in two parts a, h bolted together.
Patent GB-550292-A (GB)
Title: Improvements in air cleaners
IPC: F02M35/02
Filed: 1941-10-24
Abstract: 550,292. Centrifugal separators. AC-SPHINX SPARKING PLUG CO., Ltd., CLARKE, F. W., and BUCKMAN, K. E. Oct. 24, 1941, No. 13671. [Class 23] [Also in Group XXVIII] Air enters by louvres 2 into an annulus down and round which it passes being given an additional rotary movement by vanes 4, the separated dust passing out through slots 5 in a frustro-cone 6 and being collected in a receptacle 7 flexibly secured to the casing. The partly cleaned air rises and is then again reversed, impinging on an oil bath and finally passing through filter beds 13, 16 of wire, ribbon &c. The dirt-laden oil falls into a sump 14. An overflow vessel 17 is provided from which air can escape freely while oil passes slowly in through displaced openings in the neck 18 of the vessel and a collar 20, and openings 24 in a surrounding baffle. Specification 540,502, [Group XXVIII], is referred to.
Patent GB-267763-A (GB)
Title: Improvements relating to means for obtaining fibrous materials from the stalks of hemp and like plants
IPC: D01B1/30
Filed: 1926-05-31
Abstract: 267,763. Dehn, F. B., (Fabricord Incorporated Trustee). May 31, 1926. Breaking and scutching apparatus.-The fibrous skin is separated from the woody core of hemp and like plant stalks in the manner described in Specification 240,786 by means comprising a rotary disrupter 20 with sharp edged blades 23 which impart a succession of sharp quick blows to the ends of the stalks and break and knock away the woody core. The stalks are fed over a table 25 under a pivoted pressing plate 28 and are bent over the end of the table, where they are struck by the disrupter 20. The fibrous skin 24<1> is seized by the rollers 31, 32 and drawn forward to feed the stalk to the action of the disrupter 20. The roller 31 has a smooth surface and is mounted in spring controlled bearings. The roller 32 is grooved. The machine may be operated by a treadle the roller 32 and the disrupter 20 carrying sprockets which are engaged by a driving-chain.
Patent GB-235380-A (GB)
Title: A process for the manufacture of crude dipentene from crude rubber and for the recovery of liquid rubber
IPC: C07C4/00
Filed: 1924-06-05
Abstract: 235,380. Bamber, M. K. June 5, 1924. Distilling plant. -Waste crude scrap or vulcanized rubber is heated in a still to a temperature not exceeding 350‹ C. at a pressure not exceeding two atmospheres until about half to three-quarters of the charge is vaporized, the distillate is condensed at about atmospheric pressure yielding a liquid consisting mainly of crude dipentene, and a gas which is led to the furnace for heating the still, and the liquid residue, called " liquid rubber," is collected and used as a substitute for drying oils. By varying the pressure in the still, the ratio of condensable to uncondensable vapours may be varied, a high pressure producing less dipentene. The viscosity of the liquid residue is low when half the charge is volatilized, and increases as the distillation proceeds. A suitable still consists of an inclined cylinder 30 with an outlet 31 for the liquid rubber and outlet 32 for the vapours. The charge is admitted .through an opening 33, a sliding door 35 preventing the escape of vapour. A grid 38 separates the melted from the unmelted rubber.
Patent GB-558029-A (GB)
Title: Improved button
IPC: A44B1/32
Filed: 1942-10-01
Abstract: 558,029. Buttons. FERGUSSON, E. P. Oct. 1, 1942, No. 13808. [Class 43] A two-part button comprises a button portion proper A, with a rear boss B, and a headed fastener E having a T-head F at the end of a shank G, which may be reduced at H. This head is adapted to be passed through a slot C extending right through the button, and then to be turned to seat in a recess D in the front of the button. Preferably, the head F is slightly larger than the slot C so that it has to be tilted when inserted, to facilitate, which it is curved as shown.
Patent GB-131721-A (GB)
Title: Improvements in or relating to Tyre Levers.
Inventor: WHITMARSH ERNEST
IPC: B60C25/02
Filed: 1918-08-26
Abstract: 131,721. Whitmarsh, E. Aug. 26, 1918. Tyres, elastic, tools for removing and replacing.-A tyre lever comprises a lever A formed with a handle at one end, and a curved portion A' at the other end to engage the tread of the tyre. A crank-arm B is adjustably pivoted at C to the handle A and is provided with an inwardly-turned lip G.
Patent GB-150660-A (GB)
Title: Locomotive stoker
IPC: F23K3/04
Filed: 1920-05-21
Abstract: 150,660. Lower, N. M. May 21, 1920. Fuel, feeding.-In a device for a locomotive furnace comprising a fuel-elevator 14 and a distributing-pipe 11 passing through the furnace front, external securing-means for the pipe 11 are provided to minimize the amount of manual work to be performed inside the fire-box when the distributor 11 is renewed, and to guard against damage due to expansion and contraction of the furnace structure. The distributor 11 passes loosely through the apertures 12 in the furnace front and on its outer end carries, with a sliding fit, a shield plate 19 formed with a surrounding flange 22, and bolted, through elongated holes, to the furnace front. The upper part of distributor 11 is held in the recess 15 on the elevator discharge orifice by means of a hook bolt 16 which engages with the upper wall of the distributor and with a slotted boss 17 on the elevator, the weight of the distributor retaining the lower part in the recess. The shield plate 19 prevents injury to attendants by the emission of flame from the firebox, and also tends to set up an air current through the holes 24, 25 to cool the distributing- pipe 11.