baber/WOPTO huggingface dataset:
Patent GB-458101-A (GB)
Title: Improvements in or relating to gas blast electric switches
IPC: H01H33/70
Filed: 1935-06-12
Abstract: 458,101. Gas-blast switches. MARX, E., 43<1>, Husarenstrasse, and BUCHWALD, H., 34, Bultenweg, both in Brunswick, Germany. June 12, 1935, No. 16939. Convention date, June 12, 1934. [Class 38 (v)] In gas-blast switches of the kind provided with separable electrodes, the arc gap wherebetween is adapted to be swept by a stream of fluid which at least at one side of the gap flows from the gap through an orifice, a deflector is arranged adjacent the orifice and is adapted strongly to deflect and spread the stream passing through the orifice. The deflector consists partly of insulating material or is coated with insulating material so that only certain parts of the deflector are subject to combustion. In Fig. 1, hollow, relatively-movable electrodes 1, 2 are provided with deflectors of which 3 is of large diameter and 4 may be of slightly less diameter than the opening in electrode 2. If 1, 2 engage to complete circuit, 3 is of insulation, whereas the end of 4 may be coated with insulation. If 4 serves as an electrode making butt contact with 3, the end of 4 is uncoated and 3 is of metal with the area around the contact surface coated with insulation. In Fig. 2 the deflecting face of 3 is recessed. The lower deflector is in two parts 4, 5 of which 5 is movable and may serve as a contact connecting the member 4 and a corresponding member at the other electrode. If circuit-closure is effected by 1, 2, the recessed part of the conducting deflector 3 is bare and the surrounding part opposite electrode 1 is coated with insulation, whereas the part 4 of the lower deflector is of insulating material or, if of metal, has its end face coated with insulating material. If 5 serves as a contact engaging member 4 and a corresponding member at the other electrode, the members are of conducting material with their end faces coated with insulation. In some circumstances the hollow electrodes may serve as electrostatic screens to the deflectors to prevent re-ignition of the arc thereby.
Patent GB-241608-A (GB)
Title: Improvements in or relating to road-making apparatus
IPC: E01C19/05
Filed: 1924-07-15
Abstract: 241,608. Johriston, J. M. T. July 15, 1924. Continuous-discharge apparatus, rotary.-Vehicular apparatus for drying stone, gravel, or sand in two stages comprises a wheeled preliminary and final driers A, B, each provided with heating and agitating means, the material being exposed to the air as it is fed by a conveyer D from one drier to the other. The furnace gases from the drier A, after passing round the inlet shoot e as described in Specification 241,273, pass by a detachable pipe f to the uptake h for the gases from the drier B, a fan j being provided to exhaust the gases from both driers through a common chimney j<1>. The driving parts of the driers are connected by a detachable belt p to permit of driving from the tractor l. The driers may be constructed as described in Specifications 241,290 and 223,042. Specifications 9316/97 and 229,480 also are referred to.
Patent GB-561123-A (GB)
Title: Improved dressing for wounds, burns or other similar affections
IPC: A61F13/00
Filed: 1942-12-01
Abstract: 561,123. Dressings for wounds &c. STANNARD, W. Dec. 1, 1942, No. 17086. [Class 81 (ii)] A dressing for wounds, burns, &c. comprises a tube or sleeve of flexible material, e.g. oilsilk, turned inside out at a<3>, so that one end a<2> extends within the tube, the end a<3> being then folded over and over upon itself, as at a<4>, there being inserted within each such fold suitable treating agent for the wound &c. In use, the tube is drawn over the limb &c. of the patient, the folds a<4> being unfolded so that the treating agent therein is applied to the wound &c. One end of the tube may be closed.. To hold the tube in position on the patient, one or both ends may be furnished with adhesive strips and lengths of bandage.
Patent GB-1400326-A (GB)
Title: Electrical resistors
IPC: H01C3/20
Filed: 1973-04-10
Abstract: 1400326 Resistance thermometers WELWYN ELECTRIC Ltd 10 April 1973 17088/73 Heading H1K A temperature sensor has a glass or ceramic former 1 upon which is formed a spiral resistance winding 9 the ends of which are secured to leads 4, 5 via tapes 6, 7 welded to the leads, extending from slots in the former, and bent over to lie flush with the surface thereof. The winding is covered and secured in place by a cement layer 10, and the assembly is housed in an evacuated glass envelope 14 formed from tubing and collapsed on to the cement layer by evacuation of the tubing while a flame is passed along towards the evacuation point. The winding may be of platinum or nickel; the leads and tapes of platinum or tungsten; the former of an alumina ceramic; the cement may be produced by the decomposition of an aqueous quaternary ammonium silicate containing as a filler silica, alumina, magnesium silicate, titania, mica, zirconia, or china clay; the envelope glass may be borosilicate; and a cement used in anchoring the leads to the former may be produced from an aqueous composition of magnesium and sodium silicates.
Patent GB-545262-A (GB)
Title: Device for determining tangents and cotangents of curves
IPC: G06G1/00
Filed: 1940-11-30
Abstract: 545,262. Protractors. THON, J. Nov. 30, 1940, No. 17098. [Class 97 (iii)] A protractor for reading tangents and cotangents of the angles of any particular error comprises a base plate having scales F, G, an arm E mounted thereon for rotary movement the arm having an indicating line H and a mirror B which is vertical and in a plane normal to the line H, the base plate being apertured to permit the mirror to extend to the under-surface of the base plate. In operation the base plate is placed on the curve so that the mirror intersects the curve and the indicating line is parallel to or normal to the axis o.f the curve, according to whether the tangent or the co-tangent is desired. The arm E is then moved until the curve and its reflection in the mirror appear as a continuous line when the tangent or co-tangent can be read off the appropriate scale.
Patent GB-437014-A (GB)
Title: Improvements in change-speed gear mechanisms
Filed: 1934-04-17
Abstract: 437,014. Controlling variable-speed gearing. McKENZIE, S. B., 47, Grosvenor Street, Toronto, Canada. April 17, 1934, No. 17108/35. Divided out of 430,769 under which a Specification was laid open to inspection under Sect. 91 of the Acts, Jan. 14, 1935. Drawings to Specification. [Class 80 (ii)] The subject-matter is the same as that in Specification 430,769, but the claims differ.
Patent GB-1076185-A (GB)
Title: Improvements in or relating to tractors
Inventor: WEEKS HAROLD EDGAR
IPC: B62D49/06
Filed: 1963-05-01
Abstract: 1,076,185. Tractors. MASSEY-FERGUSON (UNITED KINGDOM) Ltd. April 28, 1964 [May 1, 1963], No. 17186/63. Headings B7D and B7H. A light tractor comprises a central chassis member 17 of inverted U-shape which extends between a front steerable wheel assembly and an engine and transmission assembly 10 carrying the rear wheels 15 and houses a fuel tank. The chassis member 17 terminates at the rear in a plate 20 bolted to the assembly 10 and at the front in a tapered nose 25 carrying a bracket 26 supporting a pivot pin 27 for the front axle. The fuel tank is mounted in the chassis member 17 with a surrounding air space by means of resilient washers on a cover-plate which closes the bottom of the member 17 and is detachably secured to step plates extending from the member 17 to support the drivers feet. A pedestal welded to the member 17 supports a steering wheel 32 and shaft 31 which actuates steering gear which is disposed within the member 17 and has a projecting drop arm 34 connected to the steerable wheels by identical track rods 35. The engine and transmisson assembly 10 includes an engine 11 mounted on casings detachably secured together to house the crank-shaft and transmission and each having an outwardly extending portion housing the drive shaft of the associated rear wheel. A ballast tray 55 is mounted on the nose 25 of the member 17 for transporting loads or for carrying weights to counteract the load of implements carried by a three-point hydrauliclift linkage (Fig. 1, not shown) at the rear of the tractor. Towed implements may be attached to a fixed drawbar or a swinging drawbar 51. The chassis member 17 may be pressed from flat plate in a single operation. Driver operated control linkages may extend through the chassis member 17 to the engine and transmission assembly 10.
Patent GB-962536-A (GB)
Title: Electromagnetically controlled clutch
IPC: F16D27/115
Filed: 1963-05-01
Abstract: 962,536. Friction clutches. C. ORTLING- HAUS, M. ORTLINGHAUS, H. ORTLING- HAUS, and A. ORTLINGHAUS, [trading as ORTLINGHAUS GEB.]. May 1, 1963 [June 18, 1962], No. 17192/63. Heading F2C. [Also in Divisions H1 and H2] An electromagnetically controlled clutch, e.g. a multi-disc friction clutch with a stationary magnet, has a connector socket for a current supply plug mounted upon the magnet, the connector being angularly adjustable upon the magnet to the position most convenient for the wires. In one form, a connector socket 27 comprises a two-part body 35, 36 made from plastics material, the base 35, Fig. 10, of the connector being formed with an off-centre peg 29 for engagement in one or other of four selected holes 30, Fig. 4, in the supporting surface of the magnet body 25, thus permitting the desired angular adjustment. Coaxial holes 42, 55 in the base and in the cap 36 of the connector accept a securing screw 28. Coincident side slots 46, 58 in the cap 36 and the base 35 contain metal contact strips 61, 64 for engagement by the plug, the contact strips each having a hole through which projects an upstanding peg 50 of the base and having angled ends 63 extending through holes 47 in the base, the magnet wires being soldered to the angled ends. A U-shaped groove 38...40 underneath the base 35 accepts the ends of the magnet wires. Holes 60, Fig. 11, in the cap 36 pass over the pegs 50. In a modified form using a similar base with an offcentre peg 29, Figs. 13, 15, the cap has two upwardly projecting holes 71 containing contact strips 74 for engagement by the plug.
Patent GB-884699-A (GB)
Title: Polymerisation of conjugated diolefines and catalyst therefor
IPC: C08F36/04
Filed: 1960-05-16
Abstract: 1:3-Dienes are polymerized by contact with a catalyst obtained by reacting a halogenated hydrocarbon in the presence of a graphitic form of carbon with an alkali metal (preferably Li) and/or compound thereof capable of reacting with the halogenated hydrocarbon forming the corresponding metal halide.  Monomers specified are butadiene and 1-and 2-methyl-, 2:3-dimethyl-, 2-ethyl-, 2-phenyl- and 2-chloro-butadienes, butadiene/isoprene mixtures and as comonomers for the specified dienes, styrene and vinyl toluenes, e.g. a -methyl styrene.  The following ingredients are specified: (a) reactive alkali metal compounds -NaH, LiH, LiAlH4, Na2O, LiOH, NaNH2, Li methyl, ethyl, butyl, hexyl, n-octadecyl, phenyl, tolyl and allyl and the corresponding Na and K compounds, sodium dibutylamide and lithium diphenyl-amide; (b) halogenated hydrocarbons-EtBr, i-PrBr, n-BuCl, i-amyl and stearyl bromide and iodide, stearyl, vinyl, allyl, cyclohexyl, benzyl and benzal chlorides, 1:4-dibromobutane, bromo-, iodo- and chloro-benzene, 1:4-dibromobenzene and 1-bromonaphthalene; (c) graphitic forms of carbon-wood, animal, bone, blood and sugar charcoals, thermal, gas, oil, furnace, channel, acetylene and naphthalene blacks, coke, lustrous carbon and retort, synthetic or natural graphites.  Polymerization may take place in bulk or in presence of a solvent, the usual solvents being mentioned.  It is preferred, when working up the products to use stabilizers and antioxidants such as phenyl-b -naphthylamine, N:N1-diphenyl-p-phenylenediamine, di-t-Bu-p-cresol, di-t-Bu hydroquinone, t-Bu-pyrocatechol and tris (nonylphenyl) phosphite.
Patent GB-713235-A (GB)
Title: Improvements in and relating to electric motor control systems
IPC: H02P7/26
Filed: 1952-07-09
Abstract: 713,235. Automatic speed control systems. GENERAL ELECTRIC CO. July 9, 1952 [July 11, 19511, No. 17315/52. Class 38(4) In a system for automatically controlling the speed of an electric motor, a voltage derived from the motor armature circuit controls the grids of a pair of electric valves reversely connected in parallel with each other and arranged in series with the motor armature across an A.C. source. In Fig. 2 the armature 1a of a separately-excited D.C. motor 1 is supplied from an A.C. source 4, 5 through reversely' connected grid-controlled thyratron valves 6 and 7, and the direction and speed of rotation of the motor is determined by the sense and magnitude of adjustment of the slider 3a of a potentiometer 3 from a central position. When the slider is in a central position the two sections of a double-triode valve 10, which are directly coupled to thyratrons 6 and 7 respectively, are arranged to conduct equally by the setting of a cathode potentiometer 11a, and neither of the equal potentials of anodes 10a, 10d is sufficiently high to cause conduction of either thyratron to a degree necessary to cause motor rotation. Adjustment of potentiometer 3 in one sense or the other from this position, however, raises the potential of one or other of the anodes of double-triode 10 so that one or other of thyratrons 6, 7 conducts sufficiently to accelerate the motor in the corresponding direction. The motor accelerates until it reaches a speed at which the thyratron ceases to conduct due to the opposing voltage applied from the motor armature to the thyratron grid-cathode circuit through a potential divider 29, 30 and connection 31. The motor speed is thus dependent on the extent of unbalance of the double-triode and hence on the setting of potentiometer 3. A voltage equal to the A.C. supply is injected into the grid-cathode circuit of thyratron 7 in such a sense as to cancel the supply voltage which would otherwise appear in this circuit due to reverse connection of this valve. Quadrature A.C. bias voltages for thryratrons 6 and 7 are developed in a condenser-resistance network 18 and D.C: bias voltage is controlled by a potentiometer 22. In a modification, Fig. 1 (not shown), involving additional rectifiers, the opposing voltage dependent on motor speed is obtained from a potential divider in parallel with the thyratrons.
Patent GB-923260-A (GB)
Title: Folding tower cranes
IPC: B66C23/34
Filed: 1961-05-12
Abstract: 923,260. Collapsible mobile tower-cranes. ETABLISSEMENTS F. POTAIN & CIE. May 12, 1961 [May 18, 1960], No. 17363/61. Class 78 (4). As the tower 5a, Fig. 1, of a crane is raised into a vertical position the jib 7 is swung into a horizontal position by a member 11. As described, the member 11 is a cable, connected between a bracket 12 on a support 3 and a point 10 on a jib-carrying head 6, which tightens as the tower is raised by a winch 13. the part 5b of the tower telescopes within the part 5a. Two cables 11 may be provided, one on each side, or a single cable may be passed round two pulleys on the head 6, the ends being attached to the supports 3. In the embodiment shown in Fig. 6, a cable 11, which is initially taut, extends between points 10 and 12 and passes over pulleys 17, 18 mounted on the tower. In Fig. 9 a rigid strut 21 is connected between a pivot 20 on a bracket 19 on the jibcarrying bead 6 and a pivot 22 on the support 3, to form a parallel linkage with the tower. In a modification of this embodiment the strut 21 is arranged above the tower instead of below it when the tower is horizontal. In Fig. 11 the tower is mounted on brackets 3a and raised by a winch 13 and cable 14, a similar parallel link 21 being provided. In Fig. 12 a cable 11 which raises the jib does not form a parallel linkage with the tower. To compensate for this the cable 11 is wound on a subsidiary drum of a winch 24 which also raises the tower by means of a cable 14.
Patent GB-1476919-A (GB)
Title: Process for the preparation of n-acetoacetyl-2,5-dimethoxy- 4-chloroanilide
IPC: C07C67/00
Filed: 1976-04-29
Abstract: 1476919 Preparation of N-acetoacetyl dimethoxy chloroanilide HOECHST AG 29 April 1976 [29 April 1975] 17485/76 Heading C2C N - Acetoacetyl - 2,5 - dimethoxy - 4 - chloroanilide is prepared by reacting 2,5-dimethoxy-4 chloroaniline suspended in water with diketene, at least the molecular equivalent of diketene being added to the aqueous suspension at the beginning of the reaction.
Patent GB-1204341-A (GB)
Title: Improvements in or relating to inflatable escape chutes
Inventor: MITCHELL SIDNEY
IPC: B64D25/14
Filed: 1967-04-17
Abstract: 1,204,341. Inflatable escape shoots. RFD-GQ Ltd. 2 April, 1968 [17 April, 1967], No. 17534/67. Heading B7J. An inflatable escape shoot comprises side tubes 10, 11, centre tube 12, end transverse tubes 13, 14 and centre transverse tube 17, the side tubes being divided internally by transverse baffles into lengths 10a, 10b, 11a, 11b, the tubes 12, 13, 17 and tube lengths 10a, 11a being interconnected and adapted to be inflated via aspirators 26, 27 from a first compressed gas cylinder, and tube 14 and tube lengths 10b, 11b being interconnected for inflation via aspirators 33, 34 from a second compressed gas cylinder, there being a flexible strip of material 21 extending between the side tubes to form a pair of slideways 21a, 21b. The strip 21 may be replaced by two strips, each extending between a side tube and the centre tube. In use the shoot is connected to an aircraft doorway by means of apron 15 and either the first or both gas cylinders used for inflation depending on whether the height of the doorway above the ground is small or large. The gas cylinders are carried in pockets on the underside of the shoot and are operated automatically. The side tubes 10, 11 may be divided into more than two lengths.
Patent GB-769872-A (GB)
Title: Improvements in or relating to electrical step-by-step moton
IPC: F16H25/12
Filed: 1955-06-17
Abstract: 769,872. Reciprocating motors. NORTHROP AIRCRAFT, Inc. June 17, 1955 [Nov. 9, 1954], No. 17543/55. Class 35. [Also in Group XXIV]. A pulse-fed stepby-step motor comprises a pot-type electromagnet 14 producing an axial force on an armature 18, 20 which, by virtue of balls 22 running in inclined grooves, produces a, rotation which is transmitted by hollow shaft 19 to a ratchet mechanism 29, 41, driving the output shaft 40, the armature being restored by spring 25. There are two oppositely-directed, electromagnetic devices on either side of the ratchet mechanism so that the shaft may be driven in eitherdirection. Each armature drives a driving arm 29 having, a cam surface 31 at one end for dislodging the locking pawl, 45. and carrying, a driving pawl 32 at the other end, both pawls being spring-loaded to engage the teeth of the driving sprocket 41. In the deenergized position, shown, the driving pawl is raised by a pin 38 under the action of the return spring 25. The operating arm 48 of the locking cam is stepped and; the whole cam axially slidable to allow for the axial movement of the cam surface 31.
Patent GB-421549-A (GB)
Title: Improvements in or relating to apparatus for moulding bricks, blocks, and the like
IPC: B28B1/29
Filed: 1933-06-20
Abstract: A mechanical strickle for use in moulding bricks, blocks, and the like is pivotally slung from a spindle 5 which is carried on a shaft 9 adapted for to and fro rotational movement whereby the strickle can be swung bodily in a plane at right-angles to that in which it can tilt or cant.  The strickle thus tilts or cants on encountering obstructions in the material as filled moulds pass under the strickle and it can be swung over bodily with the shaft 9 to discharge material lodged thereon.  The strickle may comprise a single blade or a series of wires 2 streched between ends 3 of a frame 4 pivotally mounted at one side on the spindle 5 and with the opposite side adapted to be supported on a spindle 7.  The spindle 5 carries springs 13 one end of each of which is secured to a sleeve 14 fixed on the spindle, the other ends engaging the frame 4.  The spindles 5, 7 removed as a unit from the apparatus.  The tamper is radially adjustable to operate on various sizes of moulds.  In modified constructions the core is metal-cased so that the casing remains behind when the core proper is removed, or it is made of a split metal cylinder adapted to be expanded to the size required by an axially-sliding wedge.  In the latter case, the upper end carries centring flanges for a disc on the end of the driving-shaft.
Patent GB-782303-A (GB)
Title: Improvements relating to steel making processes
Inventor: VOIGT HEINZ
IPC: C21C5/04
Filed: 1955-06-17
Abstract: An open hearth process of manufacturing steel from scrap and pig iron containing phosphorus comprises charging the furnace with part of the scrap, charging iron ore in a layer or in heaps over the scrap, charging lime over the iron ore and the remainder of the scrap over the lime, and then pouring molten pig iron over the solid part of the charge, and then working the charge with an excess of air.  There may be a pause in the charging between adding the lime and the remainder of the scrap, and "red mud" may be added with or after the lime.  The charge may be worked with at least 20 per cent excess air over that required for combustion of the fuel.  The pig iron may contain up to 4 per cent phosphorus and more than 0.5 per cent silicon.  It is stated that the process removes the phosphorous before decarburization is complete.
Patent GB-386648-A (GB)
Title: Land grips for driving wheels
IPC: B60B15/00
Filed: 1931-06-18
Abstract: 386,648. Vehicle wheels. DARBY, S. C., 1, Station Avenue, Wickford, Essex. June 18, 1931, Nos. 17662 and 26617. [Class 144 (i).] A detachable tread for the wheels of tractors and agricultural machines comprises a series of metal grippers A adapted to be hooked over the edges of the wheel rim and connected by oval links B. For tightening and adjusting the built-up band, the end grips are connected by hooked bolts and notched bars D.
Patent GB-241306-A (GB)
Title: A new or improved bottle-filling valve
IPC: B67D3/00
Filed: 1924-07-24
Abstract: 241,306. McNeill, H. July 24, 1924. Valves actuated indirectly or involuntarily.-A valve device actuated by applying a bottle to a filling nozzle and of the kind actuated by a cuplike member slidably mounted on the valve casing is held in the closed position by a spring arranged between the underside of the valve seat and the substantially closed end of the cup-like member. The valve casing 7 has a. screwed extension 4 adapted to engage a threaded socket on an elbow 1 and is formed with a conical seat 6 for the valve member 11. The valve-member is carried by a spindle 10 screwed to the cup-like member 8 which slides on the valve casing and is provided with an outlet nozzle 9. The nozzle is formed with an external air-escape groove 14 and is connected by passages 13 with the inside of the cup. In a modification, a flat valve member replaces the conical one.