baber/WOPTO huggingface dataset:
Patent GB-389394-A (GB)
Title: Improvements in or relating to vehicle signalling devices
IPC: B60Q1/26
Filed: 1932-09-02
Abstract: 389,394. Road-traffic signals on vehicles. BOSCH AKT.-GES., R., 4, Militõrstrasse, Stuttgart, Germany. Sept. 2, 1932, No. 24471. Convention date, Sept. 8, 1931. [Class 118 (ii).] A signal on a road vehicle is brightly illuminated in the daytime and less brightly at night 'by the automatic introduction of a resistance on operation of the switch for the normal lights of the vehicle. The stop-signal lamp may, however, be switched on with full brightness at night to illuminate the roadway on reversing. The lighting switch comprises a rotatable disc 5 which carries four contact arms 6 co-operating with fixed contacts 7 ..12 and can be brought into four positions 0, 1, 2, 3. With position 1, for " day stoppage," the brakeoperated switch 21 operates to light the stoplamp 22 brightly. With position 2, for " night stoppage " and non-dazzle driving, the sidelamps 17 and the tail-lamp 19 are lit, and the stop-lamp 22 receives its current, on closure of switch 21, through a lamp 20 serving as a resistance, so that it burns less brightly. With position 3, the head-lamps 16 and the tail-lamp 19 are lit, and the stop-lamp 22 is'lit as in position 2. A switch 18 operated by the reversing-gear switches on the lamp 22 with full brightness at night, so as to illuminate the roadway. The resistance lamp 20 may be used as a tell-tale. In a modification, two signal lamps giving strong and weak illumination respectively are used alternatively, or a single lamp with two filaments is used. Alternatively, the stop-lamp may be screened or tilted at night by electromagnetic or mechanical means, for example by a Bowden wire connected to the lighting switch. A separate lamp may be used for lighting the road when reversing.
Patent GB-171785-A (GB)
Title: Hydrogenating and distilling hydrocarbons from bituminous substances
IPC: C10G1/00
Filed: 1920-08-23
Abstract: 171,785. O'Dell, A. E., (Canadian-American Finance & Trading Co., Ltd.). Aug. 23, 1920. Mineral and tar oils, extracting, &c.-Bituminous materials such as bituminous sands, asphalt, pitch, &c. are distilled in presence of hydrogen to avoid decomposition and effect hydrogenation. Hydrogen, obtained for example by dissociation of natural gas is passed from a dissociator 1 by a pipe 4 to the jacket 6 of a melter 7 to which bituminous sand is fed bv a valve 8. The melted material is passed to a mixing-vessel 14 into which hydrogen is passed by a perforated pipe 15, and then by a pump 19 into a still 20. The vapours pass to a. pipe 28, compressor 30, and condenser 34 from which the uncondensed gases are returned to the dissociator 1 by a pipe 37. Hydrogen may be passed by a pipe 26 directly into the still and by a pipe 31 into the vapours passing away 'from the still.
Patent GB-889612-A (GB)
Title: Improvements in hand-lamps provided with luminous tubes
IPC: F21L14/02
Filed: 1960-07-14
Abstract: 889,612. Electric light fittings. ALLMANNA SVENSKA ELEKTRISKA A.B. July 14, 1960 [July 15, 1959], No. 24511/60. Class 75(4) A hand lamp comprises a luminous tube 2, a hollow cylindrical casing a tube 1 surrounding the luminous tube and a series impedance 3 connected to the luminous tube characterized in that each end of the luminous tube is mounted in a holder 5, 6 of plastic material and comprising a cylindrical ring of substantially the same external dimensions as the internal dimensions of the casing the ring being provided with fingers 7 integral with the ring and arranged obliquely in relation to the longitudinal axis of the luminous tube and pressing against the wall of the luminous tube. The holder 6 has a cylindrical support 8 which houses the series impedance. Each holder has a fin 9 to prevent axial shocks on the tube. An intermediate ring 4 of plastic material presses against the casing and tube. A push button 11 mounted on the holder 6 switches on a heating current to the cathodes. A rubber cap 12 with a hook 13 seals the upper end of the casing. A rubber sheath 10 covers the lower end of the tube 1.
Patent GB-964988-A (GB)
Title: Peroxides of the 1,2-dioxolane series
Inventor: RIECHE ALFRED
IPC: C07D317/04
Filed: 1961-07-06
Abstract: The invention comprises peroxides of general formulae: <FORM:0964988/C1/1> <FORM:0964988/C1/2> <FORM:0964988/C1/3> <FORM:0964988/C1/4> <FORM:0964988/C1/5> wherein R and R1 represent the same or different alkyl radicals and R2 represents an alkyl or aralkyl radical, and the preparation of these compounds wherein (a) the compounds I, II and III are obtained by reacting a diketone of general formula: <FORM:0964988/C1/6> wherein R and R1 represent the same or different alkyl groups, with respectively 1, 2 or 3 molar proportions of hydrogen peroxide, (b) the compounds II and III are obtained by reacting a compound I with respectively 1 or 2 molar proportions of hydrogen peroxide, and (c) the compounds IV and V are obtained by reacting a compound I with respectively 1 or 2 molar proportions of an alkyl or aralkyl hydroperoxide R2OOH in the presence of a small quantity of mineral acid.  Specified alkyl or aralkyl hydroperoxides for use in the latter preparation are ethyl, tert-butyl and cumene hydroperoxides. Examples describe the preparation of 3,5-dimethyl-3,5-dihydroxy-1,2-dioxolane, 3,5-di-methyl-3-hydroxy-5-hydroperoxy- 1,2-dioxolane and 3,5-dimethyl-3,5-dihydroperoxy- 1,2-dioxo lane by reacting acetylacetone with appropriate amounts of 30% hydrogen peroxide, and the preparation of 3,5-dimethyl-3-hydroxy-5-hydroperoxy-1,2-dioxolane and 3,5-dimethyl-3,5-ditert.-butylperoxy-1,2-dioxolane by heating 3,5-dimethyl-3,5-dihydroxy-1,2-dioxolane with 29% hydrogen peroxide and tert.-butyl hydroperoxide respectively, the latter being reacted in the presence of a little N/10 H2SO4. The novel 1,2-dioxolanes are accelerators for the polymerization of vinyl compounds.
Patent GB-458047-A (GB)
Title: Improvements in or relating to permanent magnets
IPC: H01F1/04
Filed: 1935-09-04
Abstract: 458,047. Casting composite magnets. SWIFT, LEVICK, & SONS, Ltd., and HORSBURGH, G. D. L., Leveson Street, Sheffield. Sept. 4, 1935, No. 24614. Drawings to Specification. [Class 83 (i)] [See also Group XXXV] A permanent magnet is reinforced by casting magnet steel or alloy around material of greater tenacity and toughness. The invention is particularly applicable to magnets made of aluminium-nickel-iron, aluminium-nickel-cobalt-iron or similar alloys which are hard and brittle. The reinforcement may comprise rods, a perforated sheet or expanded metal, preferably of high tensile steel in an austenitic condition, and may be of steel alloy containing nickel, chromium or manganese. The reinforcing material may extend to the surface of the magnet to provide an easily machinable part for mounting purposes.
Patent GB-1261705-A (GB)
Title: Removing excess liquid from filamentary materials
Inventor: TATCHELL JOHN JAMES
IPC: D06B15/00
Filed: 1968-05-23
Abstract: 1,261,705. Wiping filaments. MORGANITE RESEARCH & DEVELOPMENT Ltd. 21 May, 1969 [23 May, 1968], No. 24668/68. Heading D1L. Excess liquid dressing is removed from filaments by passing them in contact with an absorbent or adsorbent surface of porous carbon. As described, a tow of polyacrylonitrile filaments sized with uncured epoxy resin in acetone is passed in tangential contact with a roller or stationary cylinder of porous graphite to remove excess size.
Patent GB-401845-A (GB)
Title: Improvements in arc welding systems
IPC: B23K9/073
Filed: 1932-09-05
Abstract: 401,845. Supply systems for welding arcs. FITZPATRICK, H. D., 94, Hope Street, Glasgow.-(Widmark, L. E. ; West Orange, New Jersey, U.S.A.) Sept. 5, 1932, No. 24669. [Classes 35 and 38 (iv).] In an arc welding system fed by a differentially compounded D.C. generator 2, a reactance device 5 has part of its winding arranged in parallel with the series field 3 and the other part in series with the parallel connected windings. The resistance 7 may be switched in partly or completely to vary the ratio of the currents in the parallel portions. An additional reactance 8 may be arranged in series with the arc. Alternatively the divided reactance may be replaced by separate reactances and the additional reactance 8 may be arranged in the parallel connected circuit.
Patent GB-789539-A (GB)
Title: Method of gas plating
IPC: H01B3/10
Filed: 1954-08-25
Abstract: <PICT:0789539/III/1> Electrical resistance units are formed by depositing copper oxide on electrical insulating material by passing heated vapours of copper acetylacetonate at a temperature not over 455 DEG  F. at atmospheric pressure in contact with the insulating material which is supplied with heat sufficient to maintain it at above 455 DEG  F. in a static atmosphere, but which material is maintained at a temperature below 455 DEG  F. by the cooling effect of the copper acetylacetonate vapours passed thereover.  In practice the object to be plated is heated by radiant heat and the speed of gas flow and the temperature thereof is correlated to the degree of heating of the chamber so that the work-piece is maintained below the acetylacetonate decomposition temperature, namely 455 DEG  F.  The acetylacetonate vapours are preferably entrained in an inert gas and a small amount of oxygen may be bled into the system to oxidize any copper that might be deposited.  As shown in Fig. 1, carbon dioxide from a tank 5 is preheated in a coil 8 to 375 DEG  F. and passed to a carburetter 9 immersed in an oil bath.  The carburetter contains solid layers of copper acetylacetonate, the vapours of which are entrained by the carbon dioxide and passed at 375 DEG  F. through the pump 32 to a plating unit 3 which is provided with a resistance heating element 21 and contains an object carrier 22; this consists of a rack of insulating material having supports for carrying the articles to be plated, for example ceramic discs.  The discs are heated chiefly by radiation.  The gases leave the chamber through line 25 and pass to a recovery system 4 which includes a cooled trap 26.  The resistance heater 21 may be adjusted to supply a temperature of about 600 DEG  F. within the chamber 19 as measured at a point 1/4 inch above the ceramic discs in a static atmosphere.  Under these conditions a plating time of 30 minutes will result in a deposit having a resistance of 30 ohms/cm3.  An oxygen feed pipe may be inserted between the pump and the plating chamber and oxygen to the extent of, for example, 0.5 per cent by volume of the plating gases may be bled into the system.  In a modification of the invention the chamber walls are heated to such an extent that the temperature 1/4 inch above the workpiece in a static atmosphere is 650 DEG  F. and the flow of plating gas is at 400 DEG  F. Oxygen or air is bled into the system and the workpiece is maintained at a temperature above 475 DEG  F. with the result that a substantially electrical non-conductive layer is formed on the ceramic disc.
Patent GB-1535812-A (GB)
Title: Magnetic transducer head
IPC: G11B5/127
Filed: 1976-06-15
Abstract: 1535812 Magnetic heads PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 15 June 1976 [18 June 1975] 24687/76 Heading G5R A magnetic head has a one-piece non-magnetic housing 1 having a coil-receiving cavity 6 opening into a rear face 7 thereof opposite a record medium-contacting front face 5 and C- core receiving slots 10, 11 extending in respective side faces of the housing and each opening at one end into the cavity 6 and at the other end into the front face 5, slots 10, 11 and cavity 6 being accessible from the outside of the housing. A single track erase head has a glass fibrereinforced synthetic resin housing 1 with the rear parts 20 of C-cores 15 engaging in a central opening 21 of coil 14 and the front parts 22 abutting against a gap-forming spacer 13 integral with housing 1. Housing 1 also has integrally formed therewith a tape guide 25, projections 4 to mount the head on a support by means of screws received in slots 3, and pins 23 around which the coil ends 24 are wound and at which soldered connections to coil 14 are made. Guide 25 may alternatively be a separate part received in another aperture in the housing 1. Cores 15 and coil 14 are secured in the housing 1 by a flexible adhesive. An alternative head, Fig. 4 (not shown), has a central I-core (57) between two C-cores (52), a front part of the I-core (57) projecting to the tape contact face (35) through an aperture (56) in the housing part (42) between face (35) and coil cavity (36), a central part of I-core (57) carrying the coil (44), rear ends (50) of C-cores (45) abutting the rear end of the I-core, and two gap-forming spacers (43) integral with the housing being sandwiched between the I-core (57) and front parts (52) of respective C-cores (45). Multitrack heads may be similarly produced.
Patent GB-1280402-A (GB)
Title: Self-bondable printing paper
IPC: D21H19/56
Filed: 1970-05-21
Abstract: 1280402 Heat-sealable coatings P H GLATFELTER CO 21 May 1970 [29 May 1969] 24689/70 Heading B2E [Also in Division C3] Paper and plastic film is coated with a composition comprising an inert vehicle containing a mixture of (a) 20-65% of discrete thermoplastic particles which coalesce at not less than 140‹C, (b) 15-75% of opaque pigment particles and (c) 5-20% of a binder active at below 140‹C to bind the particles together and to the paper on drying, the percentages being based on the dry weight. In the examples are used aqueous compositions containing (a) PVC, styrene/butadiene (80/20), ABS (25/15/80-85) terpolymer, vinyl chloride/vinyl acetate, polystyrene, polyethylene or glycerol ester of polymerised rosin; (b) clay and/or calcium carbonate, and (c) polyvinyl alcohol, hydroxyethyl ether substituted starch, styrene/ butadiene (60/40), soybean protein or mixtures thereof. Optional arc flow modifiers e.g. calcium stearate or carboxymethyl cellulose and binder insolubiliser, e.g. glyoxal
Patent GB-145324-A (GB)
Title: Means for preventing unauthorised starting of engines for motor vehicles
IPC: F16K35/06
Filed: 1919-10-13
Abstract: 145,324. Catherwood, A. H. Oct. 13, 1919. No Patent granted (Sealing fee not paid). Locks, applications of.-For preventing unauthorized starting or running of engines, the fuelsupply pipe e of an engine for a motor road vehicle is fitted with a cock carrying an arm g locked in its " off " position by a pin h<1> on a cylindrical spring-pressed member h. To release the arm, the member h is depressed by a key a which rotates a pin k having a tongue engaging a recess in the member h.
Patent GB-277990-A (GB)
Title: Improvements in electric current interrupters
IPC: H01H87/00
Filed: 1927-09-23
Abstract: 277,990. Bennett, C. E. Sept. 23, 1926, [Convention date]. Protective arrangements. - Apparatus for the discharge of excess potential from power line equipment has gap terminals 21, 22 for each phase of the type described in Specification 195,925, of which one is connected to the line and the other to earth through an interrupter comprising a column of liquid electrolyte contained within a conduit or conduits 28 of yieldable insulating material, such as thick-walled rubber composition tubing, which is non- inflammable under operating conditions and non- shattering. A suitable electrolyte is calcium chloride solution (27‹ BaumÚ). The electrolyte is connected to the terminal 22 by head tank 26 and to ground by a foot tank 27. The headtank has a filling orifice with plug 33, screw nipples 35 with sealing caps 37 to form close joints for the tubing, a gauge 38 with a vent 39 closed by a knurled ball 40, and perforated baffles 41 to prevent shocks when the device functions and loss of electrolyte through the vent. The foot tank has a drain orifice with plug 46 and nipples 44. To maintain an air cushion in this tank and to confine the circuit rupture to the liquid column the conduits 28 have tubular extensions 47 of larger bore. The invention is described as related to that of Specification 146,279 but in the present case the heat due to the excess potential current and the dynamic current vapourings the electrolyte in the small bore of the conduits 28 and an arc is thus formed and extinguished by expulsion of the fluid, followed by the immediate re-establishment of the discharge circuit. The liquid column may comprise, one or more conduits 28 and a definite " break " point may be defined by construction of the bore.
Patent GB-1129034-A (GB)
Title: Apparatus for handling web material
IPC: B65H29/58
Filed: 1966-06-06
Abstract: 1,129,034. Feeding webs to cutting apparatus. S & S CORRUGATED PAPER MACHINERY CO. Inc. 6 June, 1966 [14 June, 1965], No. 25155/66. Heading B4B. In apparatus for making double - faced corrugated board, the finished web 21, Fig. 1, is passed through a slitter 23 and the slit web sections 21a, 21b, 21c are guided and supported by automatic lead-in tables 25 to cut-off units 24a, 24b, 24c, the tables 25 comprising a plurality of pivotally - mounted fingers 6L . . . 28L, 36M . . . 60M and 68H. . . . 90H, Fig. 2, which are moved to predetermined vertical angular positions by power - operating means controlled by switch means connected thereto, the switch means having connected thereto means for preselecting the next positions for the fingers, the switch means being responsive to command means for moving the fingers to the preselected next positions thereof. In the embodiment shown, the fingers are selectively movable to vertical angular positions by means of the plungers 12a, 15a, Fig. 3, of double-acting pneumatic cylinders 12, 15 which are controlled by switch means in the form of manually-operable rows of selector valves 14, 16, Fig. 2, one of which is in use whilst the other one is preset to predetermine the next positions of the fingers, the selector valves being responsive to command means in the form of a valve (1) Fig. 4 (not shown), operable by a cam (45) in opposition to a spring (1a). The cam (45) is mounted on the stepwise rotatable carrier 23a, Fig. 1, of the slitter 23 whilst the valve (1) is mounted on the stationary frame 23b of the slitter. Each row of selector valves 14, 16, Fig. 2 comprises three sections corresponding to the high, mid, and low positions of the lead-in fingers. In a modification, the pneumatic controls for the lead-in fingers are replaced by electrical controls, the pneumatic cylinders (104, 105), Fig. 5 (not shown), being operatively controlled by columns of selector switches (1, 2, 3), Fig. 6 (not shown), the circuit including a mode switch (102), Fig. 5 (not shown), operable manually or automatically and a switch (A) closable by a command signal. When the mode switch is in a manual position, depression of a selector switch causes the associated lead-in finger to be moved to the appropriate angular position and to be latched in that position. When the mode switch is moved to the automatic position, depression of a selector switch merely acts to store information. This stored, or preselected, information is not effective to operate a lead-in finger until a changeover programme control, which may be a timeoperated camming device or means responsive to switching signals which are stored on a magnetic or punched tape, generates a command signal to close a switch (A), Fig. 5 (not shown).
Patent GB-1216674-A (GB)
Title: Improvements in or relating to the reading of projected trace errors
Inventor: PARKS JOHN RONALD
IPC: G01B11/25
Filed: 1967-05-31
Abstract: 1,216,674. Selective signalling. NATIONAL RESEARCH DEVELOPMENT CORP.' 28 May, 1968 [31 May, 1967], No. 25183/67. Heading G4H. [Also in Division H3] An image 50 of a trace of a reference object is projected on to an array of error cells 42, the trace being moved in accordance with the displacement of a feeler over a test object, whereby the cell 42 on which the image 50 falls depends on the difference in dimensions of the test and reference objects. An oversize trace is made at the same time as the reference trace and its image 48 co-operates with sense cells 44, 46 to determine the sign of any error. In the embodiment shown, the image is rotated about error cell 36 by a dove prism, but the cells may be arranged in a circular or semicircular array. A background cell 52 provides a corresponding output from maximum detectors 64, 66 when none of the other cells is intercepted by a trace, and this output inhibits gates 70. Provided cell 52 does not produce the largest output, detectors 64, 66 produce out puts corresponding to the magnitude and sign of any error, and this information is stored in triggers 74, 72. Circuit 76 separates the error output corresponding to the illuminated cell 42 nearest cell 36.
Patent GB-495666-A (GB)
Title: Improvements in negative glow electric discharge lamps
IPC: H01J17/00
Filed: 1937-09-16
Abstract: A negative-glow discharge lamp comprises at least one electrode which consists of a thin metal layer on an insulating support, the layer extending through the seal to form a leading-in conductor; the layer may serve as a stabilizing impedance.  The coating may be formed by dipping the support, e.g. the glass bulb, into a colloidal solution of tungstic oxide; the solution is dried and reduced to tungsten. The thickness of the coating may be increased by successive dippings alternating with reductions of the oxide; partial reduction of the oxide or reoxidation of the metal may be used to adjust the impedance of the coating.
Patent GB-600143-A (GB)
Title: Improvements in fasteners for windows
Filed: 1945-09-28
Abstract: 600,143. Window catches. WALKER, J. H. (trading as PETFORD & POUNTNEY), and JONES, G. Sept. 28, 1945, No. 25207. [Class 44] A window fastener comprises a channelled bracket 1 carrying a spring 2 and a pivot 4 for a lever 3 and a catch member 5 having an overhanging portion 5b and a recess 5a, Fig. 3. The lever 3 has a nose 3a which, engaging the spring, maintains the lever in either of the two alternative positions. An oversized bearing hole 3c allows the lever some lateral displacement. The catch is fastened by depressing the lever 3 so that it slides past the rounded head 5c of the catch 5 and is engaged in the recess 5a. In unfastening, the lever is lifted clear of the recess 5a, displaced sideways to clear the hook 5b and lifted into the upright position.
Patent GB-709577-A (GB)
Title: Method of making calcareous-siliceous insulation
IPC: C04B28/18
Filed: 1951-10-29
Abstract: Lightweight heat insulating material is made from an aqueous slurry containing reactable calcareous and siliceous materials, reinforcing fibres, an alkali accelerator, and a water soluble dispersing and retarding agent, the slurry being preheated before it is poured into a mould which is heated wherein it pre-sets to a self-supporting mass and thereafter is indurated out of the mould. Slaked lime is the preferred calcareous material whilst diatomaceous earth, marl, clay, moler, puzzuolana, shale, granite sand and pumicite are specified siliceous materials.  Specified accelerators are sodium and potassium hydroxides and silicates and ammonium hydroxide, and specified fibres, asbestos and glass. Dispersing agents are liquid derivatives, dextrin, glucose, sugar, alkali metal gallates and sodium and potassium citrates and tartarates.  Preferred proportions are 1-10 per cent. of accelerators to the total weight of calcareous and siliceous materials and 1.5 to 5 parts of accelerator to 0.3 to 1.25 parts of dispersing agent.  Colouring agents may be added to the mixture.  Specifications 654,367 and 657,078 are referred to.