baber/WOPTO huggingface dataset:
Patent GB-995614-A (GB)
Title: Apparatus for spreading discrete solid materials over the surface of the land
Inventor: ATKINSON RICHARD LESLIE
IPC: A01C15/00
Filed: 1961-04-07
Abstract: 995,614. Centrifugal distribution. ATKINSONS OF CLITHEROE Ltd. March 21, 1962 [April 7, 1961], No. 12499/61. Heading A1D. A distributer for use in spreading discrete materials over the land comprises a spreader disc 16 mounted below a unit comprising two tubes 11, 12 each having three equi-spaced ports 20, 20a respectively the tubes being relatively adjustable to vary the effective opening formed by the ports 20, 20a, a pivoted flap 21, 21a being provided at each side of the disc, the flaps being adjusted by means of hydraulic rams 27 which control levers 28 connected to the flaps by links 23. A hood 15 is attached to the outer tube 12 and the inner tube 11 is extended to form a funnelshaped top 13 which receives the material from a vibratory feed trough 10. The distributer is attached to a truck body and the body is formed with an endless conveyer belt or a hydraulically operated pusher to move material forwardly to the trough 10.
Patent GB-871525-A (GB)
Title: Polyhydroxyamino ethers and a process for their preparation
IPC: C10L1/22
Filed: 1958-04-21
Abstract: The invention comprises polyhydroxyamine ethers of formula: <FORM:0871525/IV (b)/1> where R is a hydroxyl-free residue of a hexitol, hexitan or a polyoxyalkylene derivative thereof, x is the number of hydroxyl groups in said polyhydric alcohol, n is 1-x, and each B is (a) -NHR1 (b) -NE-CyH2y-NE2 (c) -NECyH2y-NE-CyH2y-NE2 <FORM:0871525/IV (b)/2> , <FORM:0871525/IV (b)/3> , or <FORM:0871525/IV (b)/4> where R1 is hydrogen, alkyl, cycloalkyl, hydroxyalkyl or polyhydroxyalkyl, E is hydrogen or a hydroxyalkyl group having 2-4 carbon atoms, at least one E being hydrogen, and y is 2 or 3; and their preparation by condensing a suitable polyhydric alcohol with an epihalohydrin at 75-175 DEG C., reacting the condensation product with ammonia or a suitable reactive aliphatic amine containing not more than 3 amino nitrogen atoms and at least 2 amino hydrogen atoms, and liberating the resulting amino ether with an alkali.  By "reactive amine" is meant one in which the carbon to which the amino nitrogen is attached carries at least one hydrogen atom.  The first step may be carried out in the presence of "Lewis acid" catalysts or H2SO4 or p-toluene sulphonic acid; solvents may be used.  Specified reactants are sorbitol, mannitol, dulcitol, 1,4-sorbitan, and their ethylene oxide and propylene oxide derivatives; monoalkylamines, cyclohexylamines, ethanolamine, propanolamine, 1-amino-2,3-dihydroxypropane, ethylene and propylene polyamines, N-aminoethylpiperazine, hydroxy-ethyldiethylene triamine and 3,31-imino-bis-propylamine.
Patent GB-233155-A (GB)
Title: Improvements in grain cleaning machines
IPC: B07B7/01
Filed: 1924-05-22
Abstract: 233,155. Denham, H. J., Watts, G., and Simon, Ltd., H. May 22, 1924. Pneumatic separating. -Grain cleaning apparatus comprises a nozzle a from which air is projected with high velocity into an aspirating cham. ber c and impinges on the conical lower end of a member e. The air with decreased velocity passes up the annular space between the member e and a concentric collector f and impinges on a second conical surface i of the member e passing upward, with further decrease of velocity, between this member and a second collector j. The grain is fed into the stream of air by the shoot b and carried up through the chamber c, the cleaned grain and the heavier impurities being collected in the members f, i and discharged by the shoots g, k respectively, and the lighter impurities being carried off by the air to any suitable dust collector. The upper ends of the chamber e and collector f may be flared as shown.
Patent GB-811609-A (GB)
Title: Pneumatically controlled tape transporter
IPC: G06K13/30
Filed: 1957-04-17
Abstract: 811,609. Driving record film or tape. MONROE CALCULATING MACHINE CO. April 17, 1957 [July 16, 1956], No. 12596/57. Class 40 (2). [Also in Group XVI] Mechanism for feeding a tape 11 past a magnetic recording-reproducing head 15 has an undulate surface 12 with an air port 13a, 13b located adjacent each hollow thereof, and means for selectively establishing a pressure difference at a port to draw the tape into the associated hollow. Vents 14a, 14b, 14c, smaller than the ports 13a, 13b, are provided at the crests to hold the tape 11 there, and a vacuum pump &c. is selectively connected to the ports and vents by valves 16, 17 switched by actuators 18, 20, e.g. under the influence of control signals from other data handling equipment, from a relay operated by each item of incoming data to be recorded, or, during playback, from the output of head 15 to stop the feed at the end of each item. In the position shown, the tape is held by vacuum applied to the vents 14b, and is drawn from its supply reel &c. into the lefthand hollow by vacuum applied to the ports 13a; the valves 16, 17 are then switched, so that the tape is held at 14a and 14c while the intermediate part moves past the head 15 as it is drawn from the left-hand into the righthand hollow; on the next switching of the valves 16, 17 the tape loop in the right-hand hollow is drawn out by the take-up reel. For the above cycle the valves 16, 17 may be replaced by a single valve, but where tape movement in both directions is required they must be separate for switching in opposite relative phase; with the valve 17 set to apply vacuum to vents 14a, 14c, the valve 16 may be switched back and forth to move the intermediate tape repeatedly past the head 15. Low-inertia resilient buffer means may be inserted between the device and the supply and take-up reels, and an additional hollow may be added at each end of the surface 12. The manifolds supplying the large ports 13a, 13b have small vents passing through side plates 23 to limit the build-up of vacuum and prevent tape damage. The plates of the valves 16, 17 have passages connectible to atmosphere to relieve the vacuum quickly at the inoperative ports and vents.
Patent GB-227347-A (GB)
Title: Improvements in or relating to ink containers
IPC: B43L25/00
Filed: 1924-05-22
Abstract: 227,347. Ferris, W. I. May 22, 1924. Inkstands.-In inkstands of the bird-fountain type having a body portion b, which is adapted to receive the neck of an inverted bottle g, and is connected by tubes d with one or more inkwells c, the body portion and ink-wells are formed in, or combined with, a large flat disclike base a, which may bear advertisements. The body portion receives a pouring-spout e of known construction, which fits the neck of the bottle, and is formed with an air inlet j and with an ink outlet k, which is Partially plugged by a grooved rod of vulcanite or the like.
Patent GB-1067536-A (GB)
Title: Improvements in spotlight assemblies and apparatus incorporating the same
IPC: F21S8/06
Filed: 1966-03-22
Abstract: 1,067,536. Spotlights. QUARZLAMPEN G.m.b.H. March 22, 1966 [March 24, 1965], No. 12643/66. Addition to 1,003,416. Heading F4R. A spotlight assembly for use in apparatus for producing a concentrated illumination in a selected region of a working plane especially as in the parent Specification consists of a spotlight pivoted about an axis 16 in a frame 20 pivoted about an axis 14 at right angles thereto, the spotlight and frame carrying control levers 38, 24 each engaged by a pivot arm 40, 26 driven by a reversing synchronous motor 42, 28, the movements of the levers being limited by stops 48, 34. The motor 42 is carried on the frame 20. Since, in use, a plurality of spotlight assemblies are arranged at varying distances, the angle of tilt of each is varied by movement of the point at which the arms 40, 26 engage the levers 38, 24. Slipping clutches are provided in the drive of the arms 40, 26 to facilitate synchronization of the spotlights.
Patent GB-197687-A (GB)
Title: Improvements in distributors for artificial fertilizers, seeds and the like
IPC: A01C15/06
Filed: 1923-05-11
Abstract: 197,687. Arnecke, A. May 11, 1922, [Convention date]. Manure, seed, and like distributors.-Artificial fertilizers, seeds, &c. are discharged from the container of a distributing-machine by two or more series of bars alternating with one another and covering the bottom of the container, the fertilizer &c. falling through interstices between the bars and being propelled over a discharge edge. The sets of bars t are connected to cross-bars and are reciprocated longitudinally relatively to one another by means of eccentrics c and adjustably connected rods and links e, f, g. They are arranged at a distance above the bottom b of the container, and projections on them extend through guides z which are adjustable vertically. An adjustable slide i closes the opening in the container a above the bars. The middle parts of the bars are reduced in width and provided on the underside or on all sides with projections or teeth for disintegrating the fertilizer and conveying it over the edge of an adjustable slide k. The box a and distributing apparatus may be divided in width and each part operated separately. The Specification as open to inspection under Sect. 91 (3) (a) describes perforated bars for discharging seeds. This subject-matter does not appear in the Specification as accepted.
Patent GB-1362614-A (GB)
Title: Insulating building materials
IPC: C08K3/00
Filed: 1972-03-17
Abstract: 1362614 Insulating concrete ORSZAGOS GUMIIPARI VALLALAT 17 March 1972 [19 March 1971] 12729/72 Heading C1H A thermal and sound insulating concrete or mortar having a density not greater than 1500 kg./m.<3> is prepared by mixing an hydraulic binder, an aggregate and water, the proportion by weight of binder to aggregate being 10-66: 90-34%, the aggregate containing at least 50% by wt. of particulate vulcanized rubber of grain size less than 10 mm., and the rubber forming at least 34% of the combined binder plus aggregate, homogenizing the mixture until foaming and allowing to set. The binder may be Portland cement, CaSO4, lime or magnesia. The rubber is preferably produced from scrap tyres and may contain a natural fibre, synthetic polymeric fibre or glass fibre. The aggregate may include sand, gravel or glass. Gas-releasing agents, e.g. Al, Mg or CaCl2 may be added to the mixture. Other optional additives are additional binders, e.g. water glass, hardening accelerators, plasticizers, colouring agents, fungicides, and fire-retardant agents (e.g. Sb2O3).
Patent GB-464603-A (GB)
Title: Improvements in refuse collecting vehicles
IPC: B65F3/20
Filed: 1936-05-07
Abstract: 464,603. Scavengers' vehicles. EAGLE ENGINEERING CO., Ltd., and WALTER, J. C. May 7, 1936, No. 12861. [Class 108 (i)] A scavenger's vehicle has hinged to the rear end of the body adjacent to the floor the loading section of a combined loading and closure means which has connection with means, preferably power operated, by which the loading and closure sections of the closure means can be turned and thereby caused to move material loaded on to the loading section into the body and to progress material already deposited in the body towards the forward end of the body. The closure means comprises a door consisting of a pair of panels or sections 8, 9 hinged to one another by a removable hinge pin 10, the panel also being hinged to the rear end of the body 7. The panel 9 is also connected by bars 11 to a trolley 12 guided by rollers 13 on tracks 14 and operated by the ram 15 of an hydraulic device. A sprocket arranged on the roller axis co-operates with a chain 17 whereby the trolley 12 is constrained to move parallelly. The material is dumped into the body 7 over the top edge of the panel 9 and when desired the hydraulic apparatus is operated to swing the panels 8, 9 as shown in Fig. 5 to move the loaded material forwards. To unload, the hinge pin 10 is removed and the body tipped.
Patent GB-1464920-A (GB)
Title: Photographic silver halide products and diffusion transfer processes
IPC: G03C8/48
Filed: 1974-03-22
Abstract: 1464920 Photographic silver halide material having two dye image-receiving layers POLAROID CORP 22 March 1974 [23 March 1973]  12866/74 Heading G2C A photographic diffusion transfer film unit which comprises layers permanently secured together, comprises, in order, a first dimensionally stable transparent layer, a first dyeable layer, a first opaque layer, a photo-sensitive layer comprising at least one silver halide layer having associated therewith a compound providing, as a function of exposure, a diffusible dye imageforming material, a second, transparent, dyeable layer, and a second dimensionally stable transparent layer, the film unit also comprising means for forming a second opaque layer, comprising opacifying agent, between the second dyeable layer and the next adjacent silver halide layer, a processing composition and means for applying this in contact with the silver halide layer. The processing composition may have a first alkaline pH and the film unit may contain a polymeric neutralizing layer between at least one of the dimensionally stable transparent layers and its adjacent dyeable layer to lower the pH. The first opaque layer and after its formation the second opaque layer may be effective to prevent exposure of the photo-sensitive layer during processing in the presence of actinic radiation. The first opaque layer may comprise a carbon black layer and a titanium dioxide layer. The opacifying agent may comprise an inorganic reflecting pigment and at least one optical filter agent. The inorganic reflecting pigment may be disposed in a layer so that it does not prevent imagewise exposure but will mask the photosensitive layer on processing. U.K. Specification 874046 is referred to. The film unit of the present invention produces a positive right-reading diffusion transfer dye image irrespective of whether or not a camera or exposure device is used which has an optical reversal system.
Patent GB-611377-A (GB)
Title: Improved capillary liquid-transfer member and heat transfer system using the same
IPC: F25D11/02
Filed: 1946-04-30
Abstract: 611,377. Regulating fluid flow. GENERAL MOTORS CORPORATION. April 30, 1946, No. 12969. Convention date, April 30, 1945. [Class 135] [Also in Group XIII] A capillary liquid transfer member comprises a sliver of fine non- absorptive filaments or fibres, e.g. glass fibres 72 surrounded and held by a non-absorptive braid 70, which may also be of glass fibres. The whole may be enclosed in a metallic braid 78 to form a wick. As applied to refrigerating apparatus, the wick is enclosed in a heat transfer tube 68, and the number of strands in the sliver may increase in steps from the bottom to the top of the tube to increase the capillary effect. Coarse strands may be used together with the fine strands to obtain adequate flow of liquid. The tubes 68 may be tapered towards the top to progressively compress the strands. For short lifts metal wool fibres may be used. The Specification as open to inspection under Sect. 91 refers also to the use of fibres of nylon, rayon, wool and cotton. This subject-matter does not appear in the Specification as accepted.
Patent GB-289762-A (GB)
Title: An improved process for the manufacture of cathodes for electric discharge tubes
IPC: H01J9/04
Filed: 1927-11-18
Abstract: 289,762. Vereinigte Gl³hlampen-und Elektricitõts Akt.-Ges. April 30, 1927, [Convention date]. Vacuum tubes; R÷ntgen-ray tubes.-Cathodes for discharge tubes such as radio valves, rectifiers and R÷ntgen-ray tubes are coated with alkaline earth metals or their oxides by introducing into the tube an alloy of the alkaline earth metal not oxidizing in air, decomposing the alloy in vacuo and vaporizing it partially or completely to form a thin deposit on the core wire of the cathode. The alkaline earth metal may be alloyed with an electropositive metal vaporizing at not too high a temperature. Bariummagnesium alloy may be attached to the anode near to, and on the side facing, the cathode and the anode heated by high-frequency induction to melt and decompose the alloy and to vaporize the barium or both metals. The vaporized metals produce and maintain a high vacuum. The barium deposit on the cathode is free from oxide and firmly adherent and may be partially oxidized subsequently.
Patent GB-664788-A (GB)
Title: Improvements relating to apparatus for the measurement of low gas pressures
Inventor: BLEARS JACK
IPC: G01L21/00
Filed: 1949-05-16
Abstract: 664,788. Radiometric pressure gauges. METROPOLITAN-VICKERS ELECTRICAL CO., Ltd. May 2, 1950 [May 16, 1949], No. 13022/49. Class 40 (iii). [Also in Group XIX] The invention relates to a manometer of the Knudsen type in which a light vane 1 suspended by a filar suspension has its ends arranged between plates 4 and 5 maintained respectively hot and cold by liquid in pipes 6 so that the vane is rotated, the angular deflection being a measure of the gas pressure in space 3. According to the invention, the vane carries with it a coil 7 moving in a magnetic field, the current in the coil being controlled by photo-cells to which light is reflected from a mirror carried by the vane. The current direction is such as to tend to restore the vane to its original position the current in the equilibrium position being a measure of gas pressure. In the circuit shown in Fig. 2, photo-cells 12 and 13 illuminated differentially control the potential of the grid of a triode 10 thereby altering the cathode potential developed across resistor 11. A current then flows between a fixed potential point A and the cathode, part of the drop through a voltage divider 19 being tapped to feed the vane restoring coil 7. In the equilibrium position the pressure is indicated by meter 17.
Patent GB-221538-A (GB)
Title: Improvements in and relating to pivotal mountings for use in instruments of precision
IPC: G01R1/10
Filed: 1923-05-15
Abstract: 221,538. White, A. E., (Sangamo Electric Co.). May 15, 1923. Spring supports. - The shaft 13 of an electricity meter or like precision instrument is supported laterally by a flexible pivot pin 15, one end of which is fixed in a plug 17 in the instrument casing, and the other end of which passes through a jewel 16 in the armature hub 14 on the lower end of the shaft 13. An annular disc 23 supports the pin 15 intermediate its ends. To facilitate cleaning a passage 24 is formed in the hub 14 above the jewel 16. A pivot 28 at the upper end of the shaft 13 engages a cup jewel 25 mounted in a housing 26 in a sleeve 33 carried by a plug 35. A spring 37 keeps the jewel 25 in yielding contact with the pivot pin 28 and transverse movement of the latter is limited by a flange 27 on the housing 26. Instead of the construction shown, the pivot bearing at the top of the shaft 13 may be of any known form. Specification 187,737, [Class 37, Electricity, Measuring &c.], is referred to.
Patent GB-391504-A (GB)
Title: Appliances for playing a table football game
IPC: A63F7/06
Filed: 1932-02-02
Abstract: 391,504. Table games. LEE, B. F., 69, Sackville Street, Manchester. Feb. 2, 1932, No. 13047/31. [Class 132 (ii).] In a table football game of the kind in which a disc is flicked so as to rebound from a series of fixed rubber-covered screws B, C, the goal-posts A are formed by four rubber stops.
Patent GB-1039436-A (GB)
Title: Improvements in or relating to the preparation of sodium perborate
IPC: C01B15/12
Filed: 1965-03-26
Abstract: Low density Na perborate is prepared by the wet method (in which H2O2 is reacted with borax or boric acid, and Na peroxide, or with Na metaborate) in the presence of an alkali metal, e.g. Na or K, or ammonium polymeta- or tetrapoly-phosphate. The amount of phosphate used may be 0.1-1% by weight of the Na perborate formed.  The product has an apparent density of 0.365-0.609 g./c.c.
Patent GB-550159-A (GB)
Title: Improvements in building bricks or blocks
IPC: E04B2/02
Filed: 1941-10-10
Abstract: 550,159. Bricks. CULLEN, J. J. Oct. 10, 1941, No. 13073. [Class 87 (i)] A building brick or block has vertical dovetail recesses B at each end and a central vertical through opening C which has parallel sides and ends at the middle portion and divergent sides c<SP>1</SP> and preferably also divergent ends c<SP>2</SP> at the top and bottom. The upper and lower surfaces may have interengaging recesses and ribs d, d<SP>1</SP>.
Patent GB-709387-A (GB)
Title: Improvements in method and apparatus for making pneumatic tyres
IPC: C10M159/24
Filed: 1952-05-23
Abstract: 709,387. Pneumatic tyres. UNITED STATES RUBBER CO. May 23, 1952 [June 21, 1951], No. 13088/52. Class 144(1) [Also in Group V] The outer rubber covering of a tyre casing is moulded under heat and pressure and then applied to a raw tyre carcass. Bands of rubber 30. 31 formed by extrusion are placed on upper and lower surfaces of a core 17 which is then lowered into a mould half 10. The upper mould half is moved down by a hydraulic piston 14 and the bands moulded under heat and pressure. The bands, core and mould halves may be heated. Cooling fluid is then circulated through passages 40, 41 or preferably instead of cooling, the core may be rotated by a gear 45 to counteract any shrinkage stresses in the rubber as is described in Specification 709,378, [Group V]. The mould is opened and the core removed, the moulded bands adhering to the mould walls. A raw tyre carcass 47, Fig. 4, having sidewall strips 70, 71 is placed between bead flanges 56, 48, Fig. 5. The piston 14 is operated to lower the mould half 12 and simultaneously hydraulic fluid is allowed to bleed from a cylinder 58 to allow the flange 56 to slide up into the top mould half, and the piston 49 is lowered to bring the flange 48 into the lower mould half. The bands are then moulded under heat and pressure on to the tyre carcass to produce a raw tyre casing as shown in Fig. 7. Internal pressure is applied to the interior of the casing through a passageway 64. The finished tyre casing may be formed into a finished tyre in a vulcanizing press of the type described in U.S.A. Specification 2,495,664.
Patent GB-887441-A (GB)
Title: Improvements in and relating to silicone elastomers
Filed: 1958-04-25
Abstract: An elastomer-forming composition comprises (i) a diorganopolysiloxane, (ii) an inorganic filler, (iii) an alkoxy-containing silicon material and (iv) a boron-containing material.  The compositions cure to pressure-sensitive adhesive elastomers.  The siloxanes (i) may contain alkyl, alkenyl, aryl, cyanoalkyl or halohydrocarbon radicals.  Specified ingredients are (ii) C blacks, silicas, TiO2, Fe2O3, Al2O3, CaCO3, ZnO, diatomaceous earth, quartz, aluminium silicate, zirconium silicate and lithopone; (iii) alkoxysilanes and alkoxy-containing siloxanes which may contain the above radicals or aminoalkyl or carbalkoxy radicals; (iv) boric acids and alkali and alkaline earth metal derivatives or metal complexes thereof, boron hydrides and complexes thereof with nitrogen compounds or hydrocarbons, boron oxides, hydrocarbon borates, borazoles, boron halides and boron anhydrides.  Buffers, e.g. calcium and barium zirconates and calcium silicate, may also be added.  The compositions may be cured by heating with organic peroxides.  If desired, the compositions may be subjected to a room temperature ageing period from 1 to 7 days or to heat ageing for 1 to 2 hours at 250 DEG F. prior to curing.  In a typical Example (1) a soft ethoxyterminated siloxane gum (made by heating a mixture of octamethylcyclotetrasiloxane, tetramethyldiethoxydisiloxane and a dimethylsiloxane-vinylethylsiloxane copolymer with a solution of potassium silanotate), was compounded with a silica filler, an ethoxy-terminated dimethylsiloxane oil and boric acid, mould-cured for 20 minutes at 340 DEG F. and post cured for 24 hours at 480 DEG F.  Comparative compositions are also disclosed.  Uses: in making gaskets, moulded articles, composite articles, electrical insulation and semiconductors.