baber/WOPTO huggingface dataset:
Patent GB-676464-A (GB)
Title: Improvements in and relating to methods for improving the adhesion of organopolysiloxanes to solid surfaces
Filed: 1950-02-01
Abstract: The adhesion to a solid surface, other than a cupreous surface, of an organo-polysiloxane selected from the class consisting of solid, elastic, variable organo-polysiloxanes and resins organo-polysiloxanes is improved by treating the surface with a composition comprising a disilane corresponding to the general formula (R)nSi2(x)6-n where R1 is a monovalent hydrocarbon radical, x is a halogen, and n is an integer equal to from 1 to 4.  The composition may comprise a methyl-chlorodisilane containing at least two silicon bonded chlorine atoms, or dimethyltetrachlorodisilane, or numerous other listed silanes. The top coating may be either a silicon rubber or resin particularly those disclosed in Specifications 542,655, [Group IV], 544,143, [Group VIII], 548,911, 548,912, 551,649, 594,481, [all in Group IV], 618,453, and 640,067, [both in Group IV(a)]. Various fillers such as titanium dioxde or silica may also be present on the top coat as may also accelerators such as those mentioned in Specifications 592,018 and 597,834, [both in Group IV], to facilitate subsequent curing of the top coat.  The disilane may be employed in solution in solvents such as petroleum spirits, benzene, toluene, xylene, fluorinated oxylene or in its pure concentrated form.  Specified surfaces are glass ceramics, porcelain, metals, plastics, and wood.  Specifications 575,667, 597178, [both in Group IV], and 658,640, [Group VIII], also are referred to.
Patent GB-538834-A (GB)
Title: Improvements in or relating to machines adapted for shaping shoe upper parts
IPC: A43D23/04
Filed: 1940-02-12
Abstract: 538,834. Moulding heel ends of shoes. UNITED SHOE MACHINERY CORPORATION. Feb. 12, 1940, No. 2646. Convention date, Feb. 13. 1939. [Class 17 (i)] A machine for moulding the heel end of a shoe upper prior to lasting comprises means for stretching the central part while the part around same is clamped, for gripping the toe end and pulling on same to cause the heel end to hug the mould, for tensioning the lining downwardly of the heel end, for forming a crease at the crease line and for corrugating the workpiece between the crease and the adjacent edge of the upper. An inner mould 66 is secured to a support 158 carried by a member 110 urged upwardly by a spring 114 resting on a link 98 connected by a link 92 with a piston moving in a cylinder 72. The link 92, when unlocked by lifting a bar 104, may be tilted by a handle 94 to allow work to be changed after lowering the mould and swinging it forwardly. The link 98 also supports a rod 116 carrying a curved arm 148 adapted to abut against the support 158 and when so abutting to urge a central portion 154 into line at its edges with the mould 66. to bulge the central part of the heel end. The margin of the heel end is moulded by a separate inner mould member 138 having a plate for forming a crease and a corrugated edge. The co-operating outer mould comprises wooden blocks 52 carrying a rubber lining 54 faced with leather, the blocks being carried by metal members 36 pivoted together at 40, guided by links 32 and resiliently supported by a pin 48 over which is threaded a spring 46. When a complete upper is being operated on its, toe end may be gripped between plates 160, 162 closed together by a handle 170. The gripping plates are moved downwardly by a handle 218, and retained in the position to which they have been forced by a pawl engaging teeth 223. The lining is tensioned, after the handle 218 has been depressed, by gripper jaws 266, 267 co-operating with inner jaws 260 and tightened on the inner jaws by a handle 272. The gripper jaws are carried by a slide moved by a rack meshing with a pinion rotated by a hand-wheel 296, teeth 308 thereon engaging a detent to hold the grippers in the position to which they have been moved. The pre-shaped portion may be flanged in a machine of the kind described in Specification 268,032, [Class 17 (i)].
Patent GB-127015-A (GB)
Title: Internal Combustion Turbine for Torpedoes.
IPC: F02C3/00
Filed: 1917-02-23
Abstract: 127,015. Soc. Anon des Turbo-Moteurs Ó Combustion. Feb. 23, 1916, [Convention date]. Torpedoes, locomotive.-Relates to internalcombustion turbines for the propulsion of torpedoes, and consists mainly in making the working fluid expand from a combustion pressure of about twenty atmospheres down to a discharge pressure of about one-fifteenth of that amount in passing through fixed nozzles and two rows of rotor blades arranged either on one disk or on two oppositelyrunning disks. Special reduction gear is employed, adapted, when a single turbine disk is used, to balance the gyroscopic action thereof. Compressed air from a passage 1 and petrol from a sprayer 3 are burnt by a plug 4 in the combustion chamber 5 and mixed with water vapour supplied from the jacket 7 through holes 8. The mixture is supplied by nozzles 9 to the blades 10, 11 of the wheel 12, and discharged through passages 19 fitted with non-return valves 18 and symmetrically arranged in the sides of the torpedo. The turbine pinion 13 drives three wheels 14, 15, 16, having fixed thereto three pinions 14<1>, 15<1>, 16', driving a wheel 17 on a transmission shaft 17<1>. The gyroscopic effect of the members 14, 14<1>, 15, 15<1>, 16, 16<1>, tends to balance the gyroscopic effect of the wheel 12. By using oppositely running rotors 33, 33', Figs. 3 and 5, gyroscopic action is completely balanced. The combustion chamber 5 discharges through two sets of nozzles 32', 32<2> at opposite sides of the two wheels 33, 33<1>, each of which receives the motive fluid discharged from the other. Each wheel 33, 33<1> has a pinion 35, 35<1> meshing with three wheels such as 37, 37<1> having fixed thereto pinions 38, 38<1> driving the concentric propeller shafts 39, 39<1> in opposite directions through the medium of wheels 40, 40<1>. Loose inter-connecting pinions 41 are provided to ensure equal speed rotations. A hollow disk 47 filled with water shields the gearing from the hot gases, and the combustion chamber and the casings of the turbines and gearing are arranged in a part of the hull of the torpedo which is open so as to allow sea-water to wash over the casings. Bearings and lubricating passages are arranged as shown in the drawings.
Patent GB-722253-A (GB)
Title: Improved method of coal mining
IPC: E21C41/00
Filed: 1951-02-03
Abstract: 722,253. Method of coal mining. DUSTERLOH, A. Feb. 3. 1951, No. 2713/51. Class 68(1). A method of coal mining comprises making a preliminary cut or cuts i, j, which extend in the direction of the face of the seam, at a level or levels displaced from the boundary levels of the seam and extending to one or the other or to both of the boundary levels. The cracks g, h which occur at the junctions between the coal and the surrounding rock when the seam is subjected to compression now occur within the seam and cause detachment of that mass of coal, which is bounded by the cuts and connected to the main seam. The cuts, which are usually made by high speed circular saws, extend into the seam to a distance approximately equal to the distance between adjacent rows of props, the front row of which is erected adjacent to the face whilst the goaf filling is performed simultaneously with the cutting operations. The coal in the triangular section between the cuts and the roof or the floor is removed before the main body of coal and the roof supports are extended into the upper space whilst a conveyer is moved into the lower space.
Patent GB-1498134-A (GB)
Title: Printing devices
IPC: B41J15/02
Filed: 1975-01-22
Abstract: 1498134 Selective printing GENERAL ELECTRIC CO Ltd 31 Oct 1975 [22 Jan 1975] 2763/75 Addition to 1382638 Heading B6F The printer of the Parent Specification is modified by a resilient mounting of an anvil which is carried on the structure 16. This structure is pivotted about its left hand end, as viewed, and is urged upwards by a spring loaded stud 38 pressing down on the panel 36 to pivot it about its latch (part of it is indicated by 33). The left hand end of the panel 36 urges the structure 16 and thereby the anvil 5 against the action of electromagnetically actuated print rods located in the head 4. Exhaustion of the paper tape roll is indicated by arm 21 closing a microswitch 22. Paper tape is fed by roller 13 and lengths can be detached by a serrated edge (18), Fig. 2 (not shown).
Patent GB-1274610-A (GB)
Title: Rodent trap
Inventor: CHONG WILSON
IPC: A01M23/24
Filed: 1971-01-20
Abstract: 1,274,610. Rodent trap. W. CHONG. 20 Jan., 1971, No. 2791/71. Heading AIM. A rodent trap comprises a housing 11, Fig. 1, containing a striker 12 from which a U- shaped frame 13, 14 extends; the limbs 13 passing through the housing and the crosspiece 14, being connected to a spring 18. The striker can be raised to the position shown in Fig. 4 and held by the engagement of a pin 20 in a slot of a flap 25 connected to an L- shaped lever 24 connected to a platform 23 depression of which by a rodent, releases the striker which is moved down by the spring 18.
Patent GB-680186-A (GB)
Title: Improvements relating to pressure electrolyzers
IPC: C25B15/00
Filed: 1951-02-05
Abstract: 680,186. Pressure electrolysers. LONZA ELEKTRIZITATSWERKE UND CHEMISCHE FABRIKEN AKT.-GES. Feb. 5, 1951 [Feb. 22, 1950], No. 2810/51. Class 41. [Also in Group XL (b)] In a pressure electrolyser the separators for the gases liberated at the anode and cathode are interconnected by a tube filled with electrolyte and the gas discharge of one separator proceeds through a pressure-controlled valve while the gas discharge from the other separator is through a valve which is controlled in dependence on the level of the liquid in this separator. In the arrangement shown in Fig. 1, gas separators 2, 3 for collecting respectively hydrogen and oxygen from an electrolyser are interconnected by a U-tube 7. Tubes 5, 5<SP>1</SP> lead back from the separators to the electrolyser. The separator 2 is provided with a pressure-controlled valve 8 and the separator 3 with a float-controlled valve 10. A float-controlled feed valve 12 is also provided in the separator 2 for controlling the supply of electrolyte. Hydrogen in the separator 2, on reaching the required pressure, is released through valve 8, and the oxygen in separator 3 is thus enabled to depress the liquid therein and effect opening of the valve 10 to release oxygen. In a modification shown in Fig. 2, the gas separators 2, 3 are connected by pipes to a U-tube 15 filled with a liquid, for example water, up to the level c-d. One limb of the tube 15 has a pressure-controlled valve 8 and the other limb a float-controlled valve 10. The valve 10 may be provided with a spring-loaded warning contact 16 which is closed when the level of liquid in the limb is too high. Means may be provided for by-passing most of the gas from the separators so that only a little passes into the U-tube. In this case the level-controlled valve may be manually actuated. The valves controlling the discharge of gas may be operated by photo-electric means (see Group XL (b)). Similar means may be provided to control the supply of feed-water to one of the separators.
Patent GB-668664-A (GB)
Title: Engine starting fluids
IPC: C10L1/02
Filed: 1950-02-03
Abstract: A starting fluid for internal combustion engines comprises a major proportion of methylal and a minor proportion of a light lubricating oil.  The lubricating oil preferably has an S.A.E. viscosity below 30, for example about 10.  From 5-30 per cent, and preferably 10 per cent by volume of oil, based on the methylal, may be used.
Patent GB-1093722-A (GB)
Title: Improvements in or relating to travelling wave tubes
IPC: H01J25/46
Filed: 1965-01-25
Abstract: 1,093,722. Travelling-wave tubes. M-O VALVE CO. Ltd., and D. W. WARD. Nov. 29, 1965 [Jan. 25, 1965], No. 3260/65. Heading H1D. In a travelling-wave tube which includes a pair of plane, parallel electrodes defining an elongated interaction space along which a slow wave structure extends and an electron beam is projected, and across which an electrostatic field is maintained, one electrode is supported from, and electrically insulated from, the other by a support structure which is a relatively good thermal conductor, the assembly constituted by the electrodes and the support structure including two portions which separately tend to change the electrode spacing in opposite senses with variation of temperature, whereby the spacing remains approximately constant during operation of the tube. In a backward wave oscillator, an I-shaped molybdenum sole electrode 12-see the exploded view of Fig. 3- is supported from a copper envelope part 2, to which the interdigital slow wave structure 6 is secured, by pins 18 which are brazed to sleeves 19 attached to molybdenum blocks 17 sealed to the two side arms 16 of a cruciform-shaped alumina ceramic block 13, the other arm 14 of which is of increased height and ridged at 15 to support the sole electrode 12. Slots 20 in the alumina block ensure that the sole electrode is insulated from the blocks 17, to permit an electrostatic field to be maintained between the sole electrode and the slow wave structure, the relative dimensions of the electrode 12, blocks 17, and upward projection of arm 14, being so chosen, with respect to the coefficients of thermal expansion of molybdenum and alumina, that the spacing of the sole electrode from the slow wave structure- and hence the electric field intensity therebetween-is maintained substantially constant independent of temperature. Electrons projected from a crossed-field gun 24 (Fig. 1, not shown), pass longitudinally along the interaction space defined by the slow wave structure and the sole electrode, under the influence of the electrostatic field and a perpendicular transverse magnetic field, being finally deflected by the metal member 21 for collection by a blind hole 22. The output connection is a ridged waveguide 9, the ridge 10 being extended to form a stub connected to the enlarged end teeth of the slow wave structure, the similar coupling 11 at the other end being provided with a reflectionless termination. The tube is cooled by water flowing through channels 30 (Figs. 1 and 2, not shown), provided with twisted metal tangs 33.
Patent GB-453121-A (GB)
Title: Improvements in or relating to electron discharge devices
IPC: H01J19/52
Filed: 1935-02-01
Abstract: 453,121. Thermionic valves. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., Electra House, Victoria Embankment, London. -(Assignees of Smith, N. R. ; 26, Johnson Avenue, Bloomfield, New Jersey, U.S.A.) Feb. 1, 1935, No. 3387. Convention date, Feb. 1, 1934. [Class 39 (i)] A member 14, carrying electrode supports, is formed with a collar 141 provided with slots which receive sheet springs 23, for example of mica, which bear against the dome or a tubular part of the envelope. A rectangular mica space 16 in which the electrodes are fitted, is mounted in a slot in a recess in the member 14. Dimensions of the mica springs are given. Reference has been directed by the Comptroller to Specification 445,359.
Patent GB-924595-A (GB)
Title: Method of manufacturing cathodes
IPC: B22F3/26
Filed: 1962-01-30
Abstract: 924,595. Powder metallurgy. CSF COMPAGNIE GENERALE DE TELEGRAPHIE SANSFIL. Jan. 30, 1962, No. 3418/62. Class 82. [Also in Group XL(a). A sintered porous cathode is produced by coating a support with a refractory metal powder such as W, Mo or Re, sintering at a low temperature of 1200-1600 C., machining the presintered powder and then fully sintering at 1700-2400 C. followed by impregnating with an alkaline earth salt, e.g. calcium or barium aluminate in a neutral or reducing atmosphere. The support may either be a tube of alumina 6 (Fig. 1) containing a heating filament 3 or a base of molybdenum 1, the sintered porous metal cathode being designated 5. Alternatively, the heating filament itself may be a support for the sintered porous metal.
Patent GB-1464311-A (GB)
Title: Washing device for a printing press
IPC: B41F35/06
Filed: 1975-05-12
Abstract: 1464311 Cleaning blankets HEIDELBERGER DRUCKMASCHINEN AG 12 May 1975 [27 Jan 1975] 3424/75 Heading B6C A washing device for an offset printing machine comprises a washing roller 2 fed with liquid from nozzles 31 on a rotatable beam, the liquid flow being controlled by valves 61. An adjustable doctor roller 14 has a doctor blade 21 which deflects used ink into a drip tray 19, and an adjustable distribution roller 40 is provided to engage washing roller 2 where the liquid is applied. The rollers are mounted in a frame 1 which is swingable towards and away from a blanket cylinder 9. Rotation of rod 49 by an operator causes the nozzles to move between drying and wetting positions and correspondingly controls valves 61 while also moving the frame 1 to the associated position. A sprung adjusting screw 37 controls the pressure between blanket cylinder 9 and wash roller 2.
Patent GB-968088-A (GB)
Title: Improvements in or relating to machine tools
Inventor: WALTER JOHN M
IPC: B23B31/26
Filed: 1961-01-30
Abstract: 968,088. Chucks; unscrewing and screwing- up. G. A. GRAY CO. Jan. 30, 1961, No. 3467/61. Headings B3B, B3K and B3N. A machine tool comprises a draw-bar 17, 30 which, when rotated to unthread a tool 1 attached thereto, causes axial movement of the tool out of a tapered socket 5. The machine tool may be a milling machine having an axially immovable, an angularly adjustable or, as shown, a horizontally and vertically adjustable spindle. The tool 1 is carried in a quill 9. The draw-bar comprises a lower portion consisting of the threaded rod 17 having a serrated head 29, Fig. 8, held by a spring 42 against a similar head on the upper portion 30. Movement of the lower portion 17 is opposed by spring- pressed friction pads 48. Overall movement of the draw-bar is limited by washers 21, 27. The draw-bar is rotated by a reversible electric motor 60 driving through a clutch 62 having spaced teeth to provide an initial impact. The clutch is operated by a solenoid 65. The drawbar and spindle are frictionally connected by washers 71, 72 engaged by a spring 74 to assist in preventing inadvertent loosening of the tool. In operation, the tool 1 is offered up to the spindle as shown in Fig. 2 and can be raised to the position shown in Fig. 3 before the draw-bar is rotated. When the draw-bar is counterrotated, the serrated head 30 rides up on the lower head so that, when the rotation of the bar is stopped, the tool is held free of the socket but with some threads still engaged. To further assist in disengaging the tapered shank of a tool, the electric motor may be reversed repeatedly. Interlocks may be provided to prevent simultaneous operation of the spindle and draw-bar motors or to prevent a tool being completely unscrewed before provision has been made to receive it.
Patent GB-354296-A (GB)
Title: Improvements in or relating to protective systems for the electric network at power stations and substations
IPC: H02H3/42
Filed: 1930-02-01
Abstract: 354,296. Protective cut-out arrangements. COMPAGNIE POUR LA FABRICATION DES COMPTEURS ET MATERIEL D'USINES A GAZ, 12, Place des Etats- Unis, Montrouge, Seine, France. Feb. 1, 1930, No. 3510. Convention date, Feb. 6, 1929. [Class 38 (v).] In the internal protection of a " junction of an electric network," for example, the bus-bars of a generating station or substation, directional wattmetric relays are employed connected on each of the incoming and outgoing lines and affected by the inverse power component or by the residual power component in the lines, the circuit-breakers in the lines being simultaneously tripped when all the relays close their circuits (corresponding to a definite direction of inverse or residual power). In another form, the circuit-breakers are tripped when some only of the relays close their contacts corresponding to a definite direction of the power component provided none of them closes a second contact corresponding to the other direction. An example of the first form is shown in Fig. 3, in which the contacts 1 of the directional relays RW1, RW2, RW3 are connected in series with one another and with the contacts of a voltmetric relay RV influenced by the residual voltage and closing its circuit as soon as an out-of-balance of voltages occurs. When all the relays are closed a circuit through the tripping relay RA (with contacts C) is completed to supply the tripping coil B. An example of the second form is shown in Fig. 4, in which when any of the relays RW1, RW2, RW3 closes its contact 1, corresponding to an internal fault, the relay RW1 (with normally open contact Cl) is closed to complete, in conjunction with the normally closed contact C2 of the relay RA2, the circuit of the trip coil B. If, however, any one of the principal relays closes its contacts 2, corresponding to a fault external to the network, the relay RA2 opens its contacts C2 and the tripping circuit is not closed. In a modification, three separate relays RA2 are used each with a second contact which may serve for tripping an external fault.
Patent GB-730614-A (GB)
Title: Improvements relating to domestic fireplaces
Inventor: LATHE CYRIL
IPC: F24B1/189
Filed: 1953-02-09
Abstract: 730,614. Stoves. LATHE & CO., Ltd., C. Jan. 19, 1954 [Feb. 9, 1953], No. 3543/53. Class 126. In a domestic fireplace of the type having a back boiler and a flue passing below and up the back of the boiler, a slidable damper plate being provided in the flue above the boiler, an adjustable baffle plate is movably mounted on part of the boiler flue assembly above the fireplace so as to extend across the chimney throat, and means are provided to move the plate into a number of different positions. The baffle 11 is mounted on trunnions 15 formed on extensions of the guides 17 in which the damper 18 controlling the boiler flue slides. A forward extension 10 secured by bolts 12 passing through slots in lugs projecting from the plate 10 closes the space between the lintel and the baffle 11. The baffle 11 is adjusted by a lever 22 provided with a lug engaging notches in a quadrant 26 secured to an extension of the guides 17 and pivoted to a lug 23 on the baffle. Projections 20 at the rear of the baffle 11 engage brackets 21 on the guides 17 to prevent the chimney throat being fully closed.
Patent GB-927496-A (GB)
Title: Compressor for gas turbine engine
Inventor: DAVIES DAVID OMRI
IPC: F01D5/28
Filed: 1962-01-30
Abstract: 927,496. Axial-flow compressors. ROLLSROYCE Ltd. Jan. 30, 1962, No. 3543/62. Class 110 (1). In a multi-stage axial-flow compressor for a gas-turbine engine, the first-stage rotor blades 25 are formed of metal (such as steel or a magnesium alloy, but preferably an aluminium alloy) adapted to withstand the bending stresses and erosive action to which the blades 25 are subjected, the rotor blades 28 of the remaining stage being formed of a synthetic resin. The synthetic resin is preferably an epoxy or a phenolic resin, reinforced with fibres of glass or asbestos. The rotor drum 23 and the rotor disc of each stage are of the metal while the casing 17, stator blades 30, inlet guide vanes 20, nose cone 16 and struts 18 are of the synthetic resin. The rotor blades 25 and, it may be, the rotor blades 28, are pivotally connected to their rotor disc by pins 26 which are selected (e.g. by varying their size or composition) so as to ensure balancing of the rotor. The compressor forms part of a vertical-lift gas-turbine engine comprising combustion equipment 12, a turbine 13 and a short jet pipe 14.