baber/WOPTO huggingface dataset:
Patent GB-737133-A (GB)
Title: Improvements in or relating to metal-encased material
Inventor: SMITH GEORGE JOSEPH
IPC: E04C2/26
Filed: 1953-04-24
Abstract: 737,133. Making composite sheets. MALLINSON & SONS (MANUFACTURING), Ltd., W. Nov. 17, 1953 [April 24, 1953], No. 11370/53. Class 83 (2). [Also in Group VIII] A method for producing metal-encased material comprises applying metal sheets 4 to opposite faces of a core material 1, e.g. timber, plywood, hard board, plaster board formed with a peripheral groove 2 and bending over marginal portions 5 of the metal sheets so that at least the edges 6 of said marginal portions extend into the peripheral groove the joint between the edges of the marginal portions being sealed by soldering or welding 3. The metal sheet which is stuck to the core material may consist of tin plate, galvanized iron sheeting, copper or brass. The core material may be rectangular or circular and the edges of the metal sheets which extend into the peripheral groove may have overlapping portions.
Patent GB-1032221-A (GB)
Title: Improvements in nuclear reactors
IPC: G21C1/00
Filed: 1963-03-22
Abstract: 1,032,221. Reactors. SOC. ANGLO-BELGE VULCAIN. March 22, 1963 [March 23, 1962], No. 11402/62. Heading G6C. In a pressurized liquid cooled reactor both the core and heat exchangers are enclosed in the pressure vessel and the liquid is circulated between the two. Coolant pressure is stabilized by means of a controllable gas atmosphere inside the reactor. The coolant flows from the core into a pressurizing tank above the core and the space above the liquid surface is occupied by a gas-vapour mixture. The total pressure and temperature of the mixture is measured and the required gas partial-pressure is deduced therefrom. The flow of gas to the pressurizer tank is adjusted accordingly to prevent boiling at the outlet from the hottest reactor channel.
Patent GB-657425-A (GB)
Title: Removal of solids from gases
IPC: B03C3/014
Filed: 1948-04-26
Abstract: 657,425. Electrostatic precipitation. AIR PREHEATER CORPORATION. April 26, 1948, No. 11414. Convention date, May 10, 1947. [Class 39 (i)] Electrostatic separation of the fine particles of dust from flue gases takes place at a relatively high temperature (400‹ F. is mentioned as a minimum where the relative humidity is very low). This is said to reduce corrosion. As shown, the products of combustion leave the boiler 10 and pass through a feedwater heater 14 into a ionizing region 18, their temperature in this region being relatively high. The gases then pass through collector electrodes 20 where the fine particles and possibly some of the coarser ones are extracted. The hot gases then pass through one side of an air preheater of the type described in U.S.A. Specification 1,652,025, which is continuously rotated by a shaft 30 so that heat is extracted from the ascending hot gases and transferred to the descending air feeding the furnace in trunk 32. The collector electrodes of the separator may also be rotated periodically or continuously so that fresh electrodes are used for the dust separation while the electrodes recently used are washed by jets 64. As the flue gases pass to the stack the coarse particles are extracted by a centrifugal separator 24. The collector and ionizing electrodes are of honeycomb construction (Figs. 2 to 6, not shown) and a central vertical electrode is wound in each cell. So as to permit of rotation of the electrode assembly the central electrodes are joined by a metal strip itself joined to a slip-ring. Both the central ionizing and collector electrodes may be located in the same " cell " of the honeycomb.
Patent GB-913822-A (GB)
Title: Process and apparatus for the manufacture of shaped structures
IPC: B01J6/00
Filed: 1959-04-03
Abstract: <PICT:0913822/III/1> A substance to be crystallized is fed laterally into a molten zone of the substance which depends from a carrier, the substance being crystallized from the molten zone on to the carrier. A shaped article, e.g. a rod, tube, or plate, may be thereby formed. The substance to be crystallized may contact the molten zone as a liquid or solid in granular or wire form.  Substances specified are silicon, germanium, titanium, titanium-iron alloy, silver, sodium chloride, dinitrobenzene, and paraffin wax. Crystallization may take place in the presence of a gas and/or liquid at super- or sub-atmospheric pressure.  Gases specified are argon, hydrogen (for silver), hydrogen chloride, and a mixture of hydrogen chloride and silicon tetrachloride (for silicon).  The liquid may comprise water, dilute mineral acid, a hydrocarbon, a chlorinated hydrocarbon, an alcohol, or an alkali metal or alkaline earth metal halide.  Pure silicon may be produced by crystallizing in the presence of a melt consisting of sodium p  chloride, potassium chloride, and potassium fluoride.  Germanium may be crystallized in the presence of a melt consisting of sodium chloride, potassium chloride, and phosphorus trichloride thereby producing n-conductive germanium containing phosphorus. Crystallization may take place in a bath of the liquid or the liquid may be added with the substance being crystallized.  The nature of the liquid may be changed during crystallization in order to change the shape of the article being crystallized.  The liquid may be renewed to prevent concentration of impurities.  The stability of the molten zone may be increased by means of an alternating current-supporting field.  Heat may be supplied by the surrounding liquid, hot gas, e.g. nitrogen, electric induction, electromagnetic radiation, electron- or ion-bombardment, energy from atomic recombination, or an electric arc.  As shown granules 5 of a substance are supplied to a molten zone 4 depending from a tube 2 of the substance held in a vessel 1 having an infra red heater 4 and gas outlet 6.
Patent GB-541977-A (GB)
Title: Improvements in or relating to controlling systems operated by fluid pressure
IPC: F15B9/12
Filed: 1940-07-10
Abstract: 541,977. Fluid-pressure servomotors. AUTOMOTIVE PRODUCTS CO., Ltd., and SIMPSON, J. K. July 10, 1940, No. 11500. [Class 135 ] A fluid-pressure servomotor particularly adapted for operating engine throttles and other devices on aircraft has a follow-up control and has the power device permanently urged in one direction by the pressure of the motive fluid. In the form shown in Fig. 1 the power piston 12 is formed with a hollow piston rod 13 having a crosssectional area one half that of the piston and arranged to slide through a packing 15 in a detachable plug 14. A plug 38 secured to the piston rod by a pair of pins 18 has a bifurcated part 19, connected at 22 to the element to be operated and pivoted at 20 to a floating control lever 21. This lever is coupled by a link 29 with a valve spindle 24 fitted with stop collars 27, 28 and slidable through a packing 26 in a detachable plug 25. The spindle 24 carries a valve head 33 having a knife-edge seating on a frusto-conical seat 34 on a tubular exhaust valve slidable through a packed partition 53 and having a knife-edge seating on a frusto-conical seat 37. Supply pressure is permanently admitted to the smaller face of the piston. When the control 23 is moved towards the left the valve 33 is lifted from its seat against the action of a spring 42 to permit full supply pressure to act on the large face of the piston so moving it to the left. This movement acting through the floating lever recloses the valve with a pressure acting on the larger face of the piston equal to one half the supply pressure. Moving the control to the right opens the exhaust valve and so permits the pressure on the smaller side of the piston to move the piston to the right until such time as the exhaust valve is closed and a pressure built up on the larger side of the piston equal to one half the supply pressure. Both valves are pressure balanced and the power chamber pressure imparts a " feel " to the control. In a modification two pistons are employed rigidly connected by a tubular piston rod which passes through the ends of both cylinders. Pressure fluid constantly acts on one face of one piston while the opposite face of this piston and one face of the second piston are subject to inlet or exhaust pressure under the control of inter-connected inlet and exhaust valves seating one on the other and operated by a hand lever acting through a linkage mechanism including a floating lever. One hand lever may be used to control two such devices.
Patent GB-474048-A (GB)
Title: Improvements in and relating to train-operated electric contact devices
IPC: B61L1/04
Filed: 1936-04-23
Abstract: 474,048. Train -operated electric contact devices. FRYBA, J. April 23, 1936, No. 11643. [Class 105] An electric contact apparatus operated by rail depression comprises a contact chamber 2 and a pressure chamber 1 with a main piston 5 displacing pressure liquid and a pressureequalizing piston 11, vertical rail movement causing movement of the main piston but the pressures being almost immediately equalized, namely after a small movement of the pressureequalizing piston which is displaceable in both directions from its basic position. An internal spring 61 maintains the rod 60 of the main piston against the bottom of the rail 7. A protective sheath is provided over the tubular exit for the piston rod. The pressure - equalizing piston 11 is housed in a cylinder 671 which is cut away at 12 to provide free communication between both sides of the piston except when the piston is engaging the portion 31 of the cylinder 67<1>. A spring 63 acting on a slidable collar 65, which engages a shoulder on the rod 11<1> of the pressure equalizing piston 11, presses the piston 11 upwards until the collar 65 engages an underneath shoulder on the support 67 of the cylinder 67 A spring 64 acting on a slidable shouldered socket 66 presses such socket 66 downwards on to an upwardly facing shoulder on the support 67, so that the socket 66 butts on the top 69 of the rod 11<1> of the pressure-equalizing piston 11. This is the basic position in which the pressureequalizing piston 11 bears on the short fluidtight region 31 of the cylinder 67<1> and it will be .seen that the piston can move upwards against the action of the spring 64, or downwards against the action of the spring 63, when a pressure difference is caused by any movement of the main piston 5. The contact portion 2 of the apparatus is operated by the rod 80 of the upper sliding socket 66.
Patent GB-661793-A (GB)
Title: Improvements in or relating to plain bearings and the manufacture thereof
IPC: F16C33/14
Filed: 1949-05-02
Abstract: In making bearing liners, sleeve bearings &c. by sintering or casting bearing metal into a steel backing, this is electrolytically polished and a mild flux, e.g. lactic acid with glycerine, tallow, palm oil, or resin, may be applied after a light acid etch, e.g. with nitric acid.
Patent GB-494310-A (GB)
Title: Improvements in and relating to photo-electric image converters
IPC: H01J31/52
Filed: 1937-04-23
Abstract: 494,310. Cathode ray tubes. KESSLER, J. April 23, 1937, No. 11679. [Class 39 (i)] A cathode-ray tube for converting invisible into visible images comprises a commutating block 19 of conducting wires 21 insulated from one another, as shown in enlarged section in Fig. 2, the bare rear ends of the block being scanned by a cathode-ray 10 while the forward ends are covered by a very thin photo-electric layer 20 upon which the invisible image is thrown by a lens 41. The film 20 is so thin that its transverse conductivity is negligible, and when the image is thrown upon it a positive charge image is formed which prevents further photo-electric emission. As the cathode-ray strikes each wire, the positive charge in its neighbourhood is neutralized and photoelectrons are emitted which are focused by electrodes 27, 30 upon a fluorescent screen 23, thus building up a visible image. The rear end of the block 19 is concave so that the deflected beam is always perpendicular to the surface. The electrode 27 is positive and consists of a conducting annulus mounted in an insulating disc 25 ; the electrode 30 is a ring at a lower potential. To compensate for the inclination of the image caused by the inclined lens 41 the screen 23 is also inclined, preferably being parallel to lens 41. The image on the screen 23 is thrown back on the layer 20 after the manner of a pinhole camera, and produces increased emission. A filling of argon at a few millimetres is provided. Specification 481,948 is referred to.
Patent GB-728554-A (GB)
Title: Manufacture of vat dyestuffs containing halogen
IPC: C09B5/26
Filed: 1953-04-28
Abstract: The invention comprises dyes obtainable by carbazolizing and halogenating, in either order, anthrimides of the formula <FORM:0728554/IV (c)/1> wherein one or several Y's mean arylamino groups.  In examples, (1) the anthrimide from a ,a 1-dichloracedianthrone and 1-aminoanthraquinone is carbazolized in an aluminium chloride-sodium bisulphite-sulphur dioxide melt (example 3 of Specification 410,552) and either bromine or chlorine is added to the melt together with a little iodine, or the carbazole is separated and heated with sulphuryl chloride in o-chlortoluene; alternatively, the anthrimide may be heated with sulphuryl chloride in o-chlortoluene, followed by carbazolization.  Also in examples, (2) the anthrimide from a ,a 1-dichloracedianthrone and 1-amino-5-benzoylamino-anthraquinone is carbazolized in chlorsulphonic acid (example 4 of Specification 410,552), and the product is brominated without separation; (3) the reaction product from tetrachloracedianthrone and 4 mols. 1-aminoanthraquinone (example 3 of Specification 690,006) is carbazolized in an aluminium chloride-sodium chloride-sulphur dioxide melt, followed by bromination without separation.  The arylamino groups Y may contain as aryl groups residues of the benzene, naphthalene, dibenzpyrenequinone, or acedianthrone series.  Specification 453,853 also is referred to.
Patent GB-844662-A (GB)
Title: Improvements in or relating to retainers for securing in position plug-in type light-current electric circuit elements mounted on panels or chassis
Inventor: GOLDSTAUB HENRY HERBERT
IPC: H05K7/12
Filed: 1958-04-14
Abstract: 844,662. Discharge apparatus. ELECTROTHERMAL ENGINEERING Ltd. April 14, 1959 [April 14, 1958], No. 11795/58. Clas 39(1). [Also in Group XXV] A strap-like valve retainer has projections as shown in the figure made of an elastic and readily deformable material such as neoprene or rubber so that the ends of the tie 8 may be pulled through slots in the frame 14 in which the valve is supported in such a way that the tie is tensioned and the valve held firmly in place. The retainer may have an aperture in which the valve dome fits or there may be a separate yoke or harness to which the strap is fixed by a second set of projections. Specifications 602, 741, 629,229, 629,285, 664,457 and 774,707 are referred to.
Patent GB-1213196-A (GB)
Title: Improvements in or relating to circuit arrangements for modifying television signals
Inventor: WELLHAUSEN HANS
IPC: H04N9/76
Filed: 1968-03-11
Abstract: 1,213,196. Television. FERNSEH G.m.b.H. 11 March, 1968 [11 March, 1967], No. 11813/68. Heading H4F. A circuit is provided which enables colour or black and white television signals to be mixed, faded in and out, or to have correction applied with out affecting the synchronizing or test signal components. As shown, a composite television signal selected by a switch 12 is supplied to an amplifier 2 whose gain is continuously or stepwise adjustable and to an amplifier 3 whose gain is preset to the maximum value of the gain of amplifier 2. After the black levels have been adjusted to the same value by stages 5, 6, the outputs of the amplifiers are supplied via an electronic changeover switch 4 to the output amplifier 7. The switch 4 is controlled by pulses U consisting of pulses (U H ) extending over each horizontal flyback time and pulses (U V ) extending over each vertical blanking interval, Fig. 1 (not shown), which are derived by a circuit 9 from the input signal, or alternatively, from a separate source S via switch 10. By this means the switch 4 is timed to connect the amplifier 2 to the output while the picture information is being transmitted and the amplifier 3 to the output when synchronizing or test signals are being transmitted. A switch 11 may be arranged to select a constant potential to provide a blanked video signal at the output 7 or alternatively may be switched to introduce an external source S of sync. signals. A plurality of these circuits may be combined through a common adding circuit Fig. 3 (not shown). In a modification of Fig. 2, a gamma control stage and a colour matching circuit are included in series with the amplifier 2 thus necessitating a compensating delay circuit in series with the amplifier 3. Means are also provided for independent adjustment of the black level at the output of amplifier 2.
Patent GB-1349233-A (GB)
Title: Spectacle structure
IPC: G02C3/00
Filed: 1972-03-14
Abstract: 1349233 Spectacles M F WICHERS 14 March 1972 [29 March 1971] 11888/72 Heading G2J Spectacles having a front frame and temples are provided with means 23, 24 engaging the brow of a wearer in use, and have temples which engage the rear portion of the wearers head in use, preferably below the occipital prominence. The means engaging the brow preferably do so above the eyebrows, and may be restricted to immediately above the nose, or, as shown, at spaced postions above the eyes, or be an elongated member which contacts the brow along the majority of the length of the front frame. The temples may be hinged, as shown at 36, or formed in one piece. The lenses may be mounted in a sub-frame Fig. 7, (not shown) hingedly connected to a brow bar carrying the brow-engaging means.
Patent GB-692433-A (GB)
Title: Improvements in and relating to the production of artificial fibres of polymeric materials
Inventor: BAMFORD CLEMENT HENRY
IPC: D01F6/76
Filed: 1950-05-12
Abstract: Fibres are produced from synthetic polypeptides, of the kind described in Specification 675,298, by extruding through a jet into a setting medium a solution of the polypeptide in benzene, methylene chloride, meta-cresol, dichloracetic acid or trichloracetic acid, whereby the fibres so formed have an a  molecular configuration, and then treating the fibres in a bath comprising an aliphatic mono-carboxylic acid containing from one to six carbon atoms per molecule or a like acid containing, on the a  carbon atom, a bromine atom or a phenyl or mercaptan group, so that at least part of the fibres is converted into the b -molecular configuration.  The synthetic polypeptides are made by polymerizing anhydro-carboxyamino-acids of the formula <FORM:0692433/IV (a)/1> R1, R2 and R3 being hydrogen or alkyl, aryl or aralkyl groups, which may be substituted or unsubstituted. Formic, acetic, propionic, normal or iso-butyric acid, normal or iso-caproic acid or crotonic acid; a -bromo acetic, propionic, butyric or n-valeric acid; phenylacetic acid or thioglycollic acid, may be used for treating the synthetic polypeptide fibres. If desired, the extruded fibres may be stretched, e.g. in steam, before the acid treatment.  The polypeptide solutions may be dry or wet spun.  Specified coagulants are water, methyl alcohol, ethyl alcohol and aqueous alcohols.  The treatment may be carried out at room temperature for a period of 1-3 minutes.  In an example, a copolymer of dl-b -phenylalanine and dl-leucine is dissolved in trichloracetic acid containing 10 per cent of water and the solution is extruded into water.  The fibres so formed are passed through a bath of formic acid and then dried.  The fibres obtained have a b -configuration and are insoluble in benzene or carbon tetrachloride.  Other examples describe the production and treatment of fibres of copolymers of dl-b -phenylalanine with g -methyl-l-glutamate or with dl-leucine and g -benzyl-dl-glutamate. Specification 675,299 also is referred to.
Patent GB-154848-A (GB)
Title: Improvements in fireproof film reels
IPC: G03B21/18
Filed: 1920-04-29
Abstract: 154,848. Rice, W. April 29, 1920. Kinematograph apparatus. - A fire-proof film reel comprises a hub 6 and core 9, to which are secured side walls 4, the outer edges of which are encircled and guided by a stationary band 1, 2,. 3, brace ribs 12 being secured to the band and their bent inner ends attached to guide rings 13 engaging annular pockets in the hub. To permit the securing of the end of the film to the core, a sliding door 15 is provided in the side walls 4; and in the event of the door being accidentally left open after the film has been secured, rotation of the side walls beyond one revolution is prevented by the engagement of the door latch 18 with a lug 19. Rotation of the outer band 1 is prevented by the frictional engagement of rubber, &c., cushions 32 with the inner surface of a casing in which the reel is mounted. The film is led into the reel between a pair of curved guide strips provided with a pair of guide rollers at each end. The film passes through an opening normally closed by a spring-controlled door 28, adapted to be held open when required by a clip 30. The door 28 is carried by a spring-closed slide 25 movable on guides 24 on the outer band 1, this slide normally closing an opening in the band through which a broken film may be repaired.
Patent GB-372407-A (GB)
Title: Improvements in or relating to turbines
IPC: F02C3/36
Filed: 1930-11-04
Abstract: 372,407. Gas turbine plant. AKTIEBOLAGET MILO, 17, Vastra Tradgardsgatan, Stockholm. Nov. 4, 1930, No. 11959/32. Convention date, March 24,1930. Divided on 372,377. Drawings to Specification. [Class 110 (iii).] A gas turbine plant comprises air compressors, means for heating the, compressed air at constant pressure to a temperature above 800‹ C., and one cr more turbines having a thermo-dynamic efficiency of. not less than 80 per cent. The apparatus illustrated is that described in Specifications 368,317, 368,318 and 368,702.
Patent GB-412158-A (GB)
Title: Improvements in or relating to gasfilled electric discharge tubes
IPC: H01J61/72
Filed: 1934-04-21
Abstract: 412,158. Discharge apparatus. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN, Emmasingel, Eindhoven, Holland. April 21, 1934, No. 21060. Convention date, April 24, 1933. [Class 39 (i).] A gas-filled discharge tube, such as a lamp, comprises one or two indirectly-heated electrodes in which only part of the heater is connected in parallel with the discharge and the other part is located in series with the discharge to form a steadying resistance. Indirectly-heated electrodes 3 are coated with barium oxide and are provided with heaters 4 coated with alumina. The heaters are connected in series by the wire 5 and are connected at points 8 located between their ends to the electrodes. In a modification, the tube has one indirectlyheated electrode the heater of which is connected in series with the anode. The filling consists of mercury vapour and neon.
Patent GB-262650-A (GB)
Title: Improvements in spudding shoes for use in well drilling
IPC: E21B1/02
Filed: 1926-05-11
Abstract: 262,650. Marks, E. C. R., (Oil Well Supply Co.). May 11, 1926. Borehole apparatus.-A spudding shoe for use in well drilling rigs comprises a hook member 9 to receive the drill cable B which is retained within the hook by a spring- pressed pivoted member 22 ; the hook member has a reinforcing rib 11, a bifurcated end 7 supporting a pulley 18 to which the jerk rope C is connected, a handle 16, a ring 17 secured to a cable D to hold the hook member against climbing the drill cable B. The bearing surface for the cable B is arcuate and may be formed on a separate detachable member held by bolts 14 and provided with lugs 15 engaging the top and bottom of the hook member.