baber/WOPTO huggingface dataset:
Patent GB-981819-A (GB)
Title: Improvements in or relating to endless conveyors
IPC: B65G19/02
Filed: 1962-03-30
Abstract: 981,819. Endless conveyers. V. J. IBBETT, and D. FOLWELL. March 26, 1963 [March 30, 1962], No. 12350/62. Heading B8A. A portable conveyer comprises an endless chain 8 and driving motor 14 mounted wholly within the framework 1 of the conveyer. It is thus possible to use the conveyer for both loading and unloading merely by turning the framework round through 180 degrees. The conveyer is adapted for conveying hay bales which are propelled by flights 13 on the endless chain 8 and are supported on runners 6, 6.
Patent GB-118450-A (GB)
Title: Improvements in and relating to Wagons for Collecting and Conveying Ashes.
Inventor: RUZICKA JOSEPH
IPC: B65F3/04
Filed: 1917-08-28
Abstract: 118,450. Ruzicka, J., and Kubovy, F. Aug. 28, 1917. Scavengers' carts.-A wagon for collecting refuse comprises a dust-proof chamber 10 into which the bin is adapted to be emptied by means arranged within a second dust-proof compartment 34. The bin-emptying means comprises a platform 40, upon which the bin is placed, carried by arms 38 upon a shaft 39 rotatable by a crankshaft and gear-wheels disposed at the side of the chamber. The platform 40 has inwardly-turned flanges for engagement with a flange on the base of the bin. A resilient arm 45 adapted to engage the top of the bin may be added for further securing the bin upon the platform. The bin is introduced into the compartment 34 through a door 35. The main chamber 10 is provided with hinged discharge doors 15, 16 operated by the hand-lever 20, 21 and chains 17, 18.
Patent GB-1191652-A (GB)
Title: An Amplifying Circuit Element and a Process for its Manufacture
Inventor: CHUBOV PETR GRIGORIEVICH
IPC: H01C7/10
Filed: 1967-03-16
Abstract: 1,191,652. Transistor pulse circuits. VSESOJUZNY NAUCHNO - ISSLEDOVATELSKY GORNOMETALLURGICHESKY INSTITUT TSVETNYKH METALLOV. 16 March, 1967, No. 12399/67. Heading H3T. [Also in Divisions G1 and H1] A photo-relay amplifier circuit (Fig. 9) consists of a parallel combination of a diode 42 and a photovaristor 41, in series with a load 39 and a rectifying element 38 of the type described in Group H1. The forward resistance of this element on the positive half-cycles of the A.C. supply is determined by the reverse current passed on the preceding negative half-cycle. Thus when the photovaristor is illuminated to allow an increased leakage current to flow this is reflected in a substantial reduction in current on the positive half-cycles.
Patent GB-851510-A (GB)
Title: Improvements relating to aircraft adapted for vertical take-off and landing
Inventor: BROOKE-SMITH THOMAS WILLIAM
IPC: B64C29/00
Filed: 1958-04-18
Abstract: 851,510. Controlling aircraft. SHORT BROS. & HARLAND Ltd. April 7, 1959 [April 18, 1958], No. 12456/58. Class 4. In an aircraft having forward propulsion engines and lift engines separately controllable through separate mechanisms, the control handle for the lift engines carries an auxiliary twist grip control for the propulsion engines whereby, during the transition from vertical to forward flight both sets of engines may be controlled by one hand. The forward propulsion engines are controlled by rod A 1  from lever A 2  through linkage A 4 A 10  and the lift engines by wires B 1  and B 2  from lever B 3  through linkage B 5 -B 7 . To ensure control of both sets of engines by one hand, lever Bs carries a twist grip C, coupled through shaft C 2 , universal joint C 3  and rods C 4  and C 6  to lever As of the linkage connecting lever Az to rod A 1 .
Patent GB-198190-A (GB)
Title: Improvements in operating mechanism for wind shield cleaners
IPC: B60S1/06
Filed: 1922-05-03
Abstract: 198,190. Nilson, J. L., end Prince, J. F. May 3, 1922. Spring-gears operated in both directions. - In windscreen cleaners wherein the wiper arm is oscillated continually by fluid pressure, the actuating means comprises a vibrating diaphragm having a fixed nut which engages with a thread on the spindle of the wiper, a valve controlling admission and exhaust ports on each side of the diaphragm is operated by the diaphragm at the end of each stroke, and means are described for filtering the gas before use. The parts 2 and 3 of the casing have the diaphragm 4 clamped between them, the part 2 being fixed to the screen frame 16 by bolts 91, 92 and forming a bearing for a spindle 14 which passes through the frame and carries the wiper arm 26 at one end and a threaded shaft 18 at the other. The faces between which the diaphragm is gripped are notched or barbed and made slightly convex so that on tightening screws 8, 9 the diaphragm is held securely. A threaded tube 20 fixed to the diaphragm and reciprocated by it engages with the threaded shaft 18 to oscillate the wiper, the two sides of the diaphragm being alternately connected with the working fluid and the atmosphere by a disc valve 34. The working fluid is admitted through a filtering-chamber 40 and directed by the valve to one side of the diaphragm, the other side being in communication with the atmosphere or with a partial vacuum through the nipple 47, and the valve is fixed to a spindle 79 which is turned by a lever 84 when the diaphragm reaches each end of its travel. In order that the ports shall be fully opened and closed a spring switch is used to actuate the lever 84, comprising U-shaped members 70, 71 held by a connecting spring 76 in notches 74, 75 in standards 64, 65 struck up from a base-plate 62. Movement of these members is limited by stop-members 68 and the member 70 engages in a hook at the end of the lever 84, while the member 71 is engaged by a boss 19 on the diaphragm at one end of its travel and a finger 87, pivoted to the diaphragm, at the other, so as to rock this member past dead-centre and cause the spring to rock the member 70. To start and stop wiping and vary the speed a needle-valve, 58 interposed in one of the passages for the fluid is operated.
Patent GB-939514-A (GB)
Title: Production of copolycarbonates
Inventor: SHEPHARD BASIL ROBERT
IPC: C08G73/00
Filed: 1961-04-06
Abstract: Polymers containing both carbonate and urethane linkages are made by reacting a low molecular weight polycarbonate having terminal chloroformate groups with a diamine or a hydrazine in the presence of a tertiary amine as catalyst.  The low molecular weight carbonate may be one containing urethane linkages obtained (a) by reacting a mixture of a polyurethane having phenolic end groups and a dihydric phenol with phosgene (see Specification 918,046) or (b) by reacting dihydric phenols and their bischloroformates with diamines (see Specification 878,115). Specified diamines are 1:6-hexamethylene diamine, 1:4-butylene diamine, 1:2-ethylene diamine, phenylene diamines, xylylene diamines, 4:41-diaminodiphenylmethane, N:N1-dialkyl or diaryl derivatives of any of these, and piperazine. Specified hydrazines are hydrazine and its N,N1-dialkyl and diaryl derivatives.  Either or both of the diamines and the tertiary amines may be used as their salts.  In Examples (1)-(4), bis-phenol A dissolved in acetone was reacted with toluene-2:4-diisocyanate in the presence of the sodium salt of bis-phenol A to give a polyurethane which was reacted with phosgene in the presence of aqueous sodium hydroxide solution, methylene chloride, and sodium dithionite; the reaction product was then reacted, in the presence of methylene chloride and a tertiary amine with 4:41-diaminodiphenyl methane, piperazine hydrate, N:N1-di-n-butyl hexamethylene diamine or p N:N1-dimethyl hydrazine.  In Example (5), bis-phenol A was reacted with phosgene in the presence of phenol, aqueous sodium hydroxide solution and sodium dithionite and the product was reacted with piperazine in the presence of triethylamine and methylene chloride. Specifications 772,627, 808,490 and 960,012 also are referred to.
Patent GB-1536783-A (GB)
Title: Retractable lazy-tongs roof rack
IPC: B60R9/045
Filed: 1976-03-29
Abstract: 1536783 Vehicle roof racks A WOLF 29 March 1976 [9 Sept 1975] 12531/76 Heading B7J A roof rack includes lazy tong side members 4, 5 and transversely adjustable support members 8 whereby the roof rack may be adapted to fit vehicles of different sizes. Crossbars 6 are attached to the lower pivots of the lazy tongs and inverted U-shaped members 1, 2 form the end pieces. The support members 8 are independently adjustable transversely of the rack on the outermost crossbars 6, the latter being pivotally mounted on the lazy tongs whereby the support members 8 may be adjusted to fit a curved roof.
Patent GB-295611-A (GB)
Title: Improvements in photographic devices
IPC: G03B17/53
Filed: 1927-05-11
Abstract: 295,611. Bradshaw, G. May 11, 1927. Coin-freed apparatus.-A cabinet or casing A with the outward appearance of an automatic coin-freed photographic apparatus is situated in front of a. partition C behind which a photographer conducts the operations. A false coin inserted in the slot L can be returned automatically by coin-rejecting means, or manually by the photographer through a shoot P. The casing may contain visible or noise producing mechanism to give the impression that the operations are automatic. The noise of the mechanism mav be coin-operated and such as to mask the noise of the photographer's movements and the photographic, compartment may further be padded. An indicator Z can be worked by the photographer to give information and directions to the client. A projection lamp in a funnel-shaped chamber T is provided to illuminate the client on the seat G, and the photographer can see the client through a channel U immediately below the chamber T without being observed. An ordinary camera F, or one to take a short series of photographs, may be used and troughs V, W, X provided to develop and finish the photography after which it is issued through a shoot Y.
Patent GB-689791-A (GB)
Title: Improvements relating to means for marking lines on roads
Inventor: DAKIN-POTTS HAROLD WILLIAM
IPC: E01F9/529
Filed: 1950-05-19
Abstract: 689,791. Road-traffic signs. INDUSTRIAL CHEMICALS, Ltd. May 18, 1951 [May 19, 1950; July 20, 1950], Nos. 12614/50 and 18153/50. Class 3 (ii) A unit for marking lines on road surfaces comprises an elongated strip 10 of light-coloured resilient material such as rubber or plastic which is formed integrally with ribs 12 disposed at a small angle to the transverse axis of the strip and having vertical reflecting surfaces. The plastic material may be white polyvinyl chloride. The strip has bevelled edges 11 and is provided with a plurality of parallel ribs 12 which are inclined at a small angle, e.g. 5 degrees to the tranverse axis of the strip, so that the ribs are substantially at right angles to some of the rays of light from the headlamps of vehicles, and their vertical edges are highly polished to give maximum reflection..The portions of the ribs overlying the bevelled edges of the strip taper away to the edges. The ribs may be interrupted at intervals to provide gaps in which reflecting beads 16 (not shown in Fig. 1, shown in Figs. 4 and 5) are embedded in the strip. the beads being silvered on their undersides. The strip is secured to the road surface either by applying an adhesive such as rubber latex or asphalt to the road surface and then applying the strip, or by coating the strip with adhesive which is allowed to dry and applying a solvent to the road surface and pressing the strip in place. The strip may additionally be secured by nails passing through countersunk apertures 14.
Patent GB-435325-A (GB)
Title: Improvements in the protection of pipe lines and other objects
IPC: F16L58/02
Filed: 1934-04-26
Abstract: Objects such as pipe lines are protected by placing about them a flexible shield comprising fibrous material such as paper, felt, woven fabric or wood veneer impregnated with a synthetic resin which is cured prior to application of the shield to the object. The synthetic resin may be phenol-formaldehyde, urea-formaldehyde, phenol-furfurol or polybasic acid-polyhydric alcohol condensation products.  Examples describe the preparation of fusible and infusible resins from phenol or cresol and formaldehyde or paraformaldehyde in the presence of sulphuric acid or sodium hydroxide.
Patent GB-271083-A (GB)
Title: Improvements in combustion chambers of the cylinders of internal combustion engines
IPC: F02F3/28
Filed: 1927-05-11
Abstract: 271,083. Dumanois, E. P. May 17, 1926, [Convention date]. Cylinders, combustion chambers of, baffles for guiding charge and arrangement of igniters in. - To prevent detonation the combustion chamber is so formed that its crosssectional area increases discontinuously in a direction away from the igniter or igniters. As shown, the piston head is formed with a series of steps 13, 12, 8, 5 and grooves 6 which increase in height and decrease in width respectively in a direction towards the sparking-plug 1. The bottom of the grooves may also be stepped and some or all of the steps may be sloped. If the sparking-plug is arranged centrally in the cylinder head, the steps or slopes will also be concentric with the cylinder. The steps or slopes may be on the cylinder head or on both the head and the piston. The Specification as open to inspection under Sect. 91 (3) (a) comprises also a combustion chamber having a continuously increasing crosssectional area. This subject-matter does not appear in the Specification as accepted.
Patent GB-218983-A (GB)
Title: Improvements in mechanical apparatus for sugar refining
IPC: C13B30/14
Filed: 1924-05-23
Abstract: 218,983. Alves da Cunha, L. July 10, 1923, [Convention date]. Bulk evaporators. -Sugar syrup is concentrated in an open evaporating-pan, Fig. 2, discharged through a lift valve instead of by tilting.
Patent GB-899351-A (GB)
Title: Improvements in and relating to heating devices for fluids
Inventor: LINDE ROBERT VON
IPC: F02G1/043
Filed: 1960-04-08
Abstract: 899,351. Hot-gas engines. WEBASTOWERK G.m.b.H. April 8, 1960, No. 12696/60. Class 7(1). [Also in Group XIII] A hot gas engine A is used in an air heater (see Group XIII) to drive either directly as shown, or indirectly, a shaft 8 on which is mounted a fuel pump 9, the blower 21 for air to be heated and also a blower 13 delivering combustion air to the combustion chamber 15. The hot gas engine circuit shown includes a heat chamber 5 for the working gas and heated by the combustion chamber 15, a heat exchanger 6, and, in the duct 22 conveying air to be heated a cooling coil 7. The working gas may be shunted through an auxiliary heater 26 during the starting period. In other arrangements described the hot gas engine drives the shaft 8 indirectly through a belt drive or through a motor generator. The heat chamber 5 may be replaced by a finned tube extending into the combustion chamber (Figs. 2-5 not shown). The said tube may be heated by an auxiliary burner.
Patent GB-850909-A (GB)
Title: Improvements in the polymerisation and copolymerisation of alpha-methylstyrene and its derivatives substituted on the nucleus
Inventor: KASTNING ERNST-GUENTHER
IPC: C08F12/12
Filed: 1959-04-15
Abstract: Polymers of alpha-methyl styrene or nuclear-substituted alpha-methyl styrene are made by polymerizing the monomer alone or in admixture with another monomer, at a temperature between -100 DEG C. and +60 DEG C. in the presence of an alkali metal and/or an alkali metal hydride and a cyclic ether and/or an acetal.  Graft polymers may be made by adding another monomer to the polymerizable mix after the completion of the polymerization of the alphamethyl styrene or nuclear substituted styrene.  The nuclear-substituted monomers may be o, m, or p-methyl alpha-methyl styrene, 2,4-dimethyl-alpha-methyl styrene, para-isopropyl-alpha-methylstyrene, para -isopropenylalpha-methyl styrene, or paravinyl-alpha-methylstyrene.  The metals may be sodium, p  potassium, or lithium, mixtures of the metals, or alloys.  The hydrides may be sodium, potassium, or lithium, or complexes such as Na(AlH4).  Specified cyclic ethers and acetals are tetrahydrofurane, dioxane, dimethyl, diethyl and benzaldehyde dimethyl acetal.  In the formation of graft polymers the other monomer added may be styrene, a nuclear alkylated styrene, butadiene, isoprene, or vinylcarbazole.  If desired after one graft has been made, another monomer may be added e.g. to give chains of -poly-alpha-methylstyrenepolybutadienepolystyrene. The polymerization may be effected in the presence of additional inert diluents such as pentane, hexane, octane, benzene, or toluene.
Patent GB-492404-A (GB)
Title: Improvements in light signals
IPC: B61L5/18
Filed: 1937-05-04
Abstract: 492,404. Light signals. WESTING- HOUSE BRAKE & SIGNAL CO., Ltd. May 4, 1937, No. 12757. Convention date, July 3, 1936. [Class 105] A signal of the searchlight type has the operating mechanism fixed on the underside of a plate A and the arm 12 carrying the signal roundels 13 ... 15 projects through an opening in such plate into a casing B secured on the upper side of the plate and provided with aligned windows 10 through which a beam of light can be projected. The plate is preferably of insulating-material. The operating means comprises an electromagnetically energized spindle R with end vanes 36, 37 to co-operate with vertically faced polepieces 23, 24 energized by a permanent magnet structure, Fig. 5 (not shown). The spindle is supported on knifeedge bearings. When the winding 86 is energized normally or reversely, the spindle R rocks the green or yellow roundel 15 or 13 into line with the aligned windows 10. A copper core 88 retards the building up of the flux and so slows down the movement to prevent rebound. This movement takes place against the action of counterweighting levers 48a, 48b which press on studs 42a, 42b attached to a plate 41 at the end of the spindle R. The actual counterweighting is effected in each case by a counterweight 52a adjustably fixed on a further lever 49a which intermediately of its length is pivoted on the main lever 48a ; a stop 54a limits the relative movement of the levers 49a, 48a. This arrangement takes up the terminal momentum and prevents rebound of the signal. In addition, the lever 48a actuates a series of contact fingers 60a, 61a, 62a. These contact fingers are mounted on a rocking member 65a which has an offset cranked arm 69a overlying a pin 70a on. the lever 48a. Stop screws 53a, 71a respectively acting on arms 57a, 64a extending downwardly from the members 48a, 65a determine the limits of movement of the roundel arm 12. The plate A has a cross-bar 99 fixed thereon to which are attached a carrying handle 103 and a strap by which a glass cover for the operating and contact mechanism is held to the underside of the plate A. The front edge of the plate A has a socket 102 to receive a locating stud in the main casing of the signal assembly. A lightning arrester of carborundum shunts the terminals connected to the operating winding.
Patent GB-592115-A (GB)
Title: An instrument for computing the amount of a substance to be added to one or more other ingredients of a mixture at least one of the ingredients having a variable affecting the amount of the substance to be added
IPC: B28C7/02
Filed: 1945-05-22
Abstract: 592,115. Mixing in definite proportions. WALKER, R. W., and JAMIESON, W. G. May 22, 1945, No. 12772. [Class 86] [Also in Group XIX] The invention comprises means for computing the amount of water to be added to given quantities of cement, sand and ballast to produce concrete with a given water/cement ratio, account being taken of the moisture content of the sand and ballast, and means for controlling the addition to the other ingredients of this computed amount. A cursor is set horizontally along an arm c to indicate weight of cement and the arm is moved vertically to bring the cursor adjacent the chosen one of a set of curves b each showing a different water / cement ratio. A second cursor is then set along a second arm e to indicate weight of sand and is moved vertically to touch a given curve d' of a series correlating sand weight and moisture content therein, the curves d' being carried on a plate fixed to the first arm c. A third cursor is then adjusted horizontally on a third arm f to indicate weight of ballast and is set vertically to touch a given curve of a series correlating ballast weight with moisture content therein and carried on a plate fixed to the second arm e. The position of the arm f corresponds to the volume of water to be added to the batch. A slide j<SP>6</SP> is manually adjusted by a screw j<SP>4</SP> into coincidence with the arm f, this movement being transmitted by gearing to a shaft which positions a float controlling the volume of water which may run into a tank, not shown. The screw j<SP>4</SP> is locked in its adjusted position by a peg and padlock j<SP>9</SP>. The water inlet to the tank is controlled by a cock operated by a lever l<SP>2</SP>, the shaft 11 of which is locked by a detent l<SP>4</SP> pressed by a spring into engagement with teeth l<SP>3</SP>. An arm k<SP>3</SP> is fixed to a square shaft f<SP>4</SP> between horns k fixed to the arm f. When the block j<SP>6</SP> coincides with the arm f, the arm k<SP>3</SP> can be turned to fit into a channel in the block. This movement causes the shaft f<SP>4</SP> to rotate so that a cam l<SP>9</SP> thereon rocks the detent l<SP>4</SP> to release the cock-shaft l<SP>1</SP> for operation. A belt m moved by the block j<SP>6</SP> inhibits turning motion of the arm k<SP>3</SP> when the arm and block do not coincide, it thus being possible to operate the cock only when the float is set to the computed value.
Patent GB-907398-A (GB)
Title: Aircraft provided with vertical lift engines
Inventor: TAYLOR MAURICE IAN
IPC: B64C29/00
Filed: 1960-04-11
Abstract: 907,398. Gas turbine jet propulsion plant. ROLLS-ROYCE Ltd. April 6, 1961 [April 11, 1960], No. 12791/60. Class 110 (3). [Also in Group XXXIII] An aircraft comprises an engine bay structure and a plurality of jet propulsion engines mounted vertically therein for imparting vertical lift to the aircraft, the intakes of the engines being secured together and to the engine bay structure in such a way that between any pair of adjacent engines, and between the structure and the adjacent engines there are no cavities which are open to the air intakes of the engines. The invention is described with reference to an aircraft comprising six vertical lift engines 15, the engines being of the gas turbine jet reaction type, and being mounted in two rows of three engines. The air intake of each engine comprises a square opening formed by outwardly flared lips 17, the lips terminating in straight downwardly-directed flanges 18. Those flanges 18 which extend longitudinally of the fuselage 13 and which are disposed adjacent the walls of the engine compartment 14 are carried by brackets 20 secured to the walls, as shown in Fig. 2. The adjacent flanges 18 of adjacent engines which extend alongside each other are received within channel section members 22, nut members 23 being secured within the channel sections. Strips 24 are provided to close the gaps between the lips 17 of adjacent engines, the strips being secured to the channel members 22 by means of bolts 25. Fireresistant walls 27 are disposed between adjacent engines, the walls being disposed between the compressor and combustion equipment of each engine. A debris guard 28 is disposed within each air intake 16, the guards comprising concentric annular ribs 29 and radial ribs 30. A hood 31 formed of sections pivoted together is provided at the upper end of the engine compartment, the sections being folded back against each other when the engines 15 are to be brought into operation.