baber/WOPTO huggingface dataset:
Patent GB-446306-A (GB)
Title: Improvements in thimble tube boilers and water heaters
IPC: F22B13/02
Filed: 1934-12-28
Abstract: 446,306. Water-tube steam boilers. SPANNER, E. F., 13, Shooters Hill Road, Blackheath, London. Dec. 28, 1934, Nos. 37159/34 and 18764/35. [Class 123 (ii)] [See also Group XII] Vertical thimble tube boilers or water heaters have a vertical cylindrical tube plate B fitted with a multiplicity of peripheral rows of radial tubes Cand axiallysuperimposed upon a firebox plate A, which is formed as a truncated cone having its smaller end of the same diameter as the tube plate to which it is directly connected, the combined tube plate and firebox plate being surrounded by an annular water space. The tubes are preferably arranged to provide a thimble point firespace as described in Specification 427,575. Fuel is fed to the grate F through a fire hole E, or a firebrick-lined combustion space G may be provided for oil firing. A movable spiral deflector H is axially disposed along the centre line of the tube nest, and may be hollow for cleaning jets of steam or air to be forced through holes K. A feed heating coil L and a superheater coil M are also provided. Specification 404,548 also is referred to.
Patent GB-1003987-A (GB)
Title: Wall facing component and method for its manufacture
Inventor: LARSEN RASMUS ANDREAS
IPC: E04F13/00
Filed: 1962-10-02
Abstract: 1,003,987. Building units; slab faced walls. S. JAKOBSEN. Oct. 2, 1962, No. 37323/62. Headings E1B and E1V. A wall facing component comprises reinforced concrete slabs 3, 4 connected together by inclined supporting members 6 so that one slab only need be secured to the supporting construction, the slabs being held apart by spacing members, the connection between the slabs being such that the slabs may individually vary in dimensions according to temperature fluctuations, &c. As shown, the slabs are spaced apart by blocks 7 of cellular concrete or foamed glass, which are cast in one of the slabs and contact the other through pieces of asphalted felt 8, which permit relative sliding movement between the blocks and the slab. Flexible steel tie members 6 hold the slabs together and further more slender ties may be provided. In an embodiment, shaped metal loops are each embedded in both slabs, the limbs of the loops having a spacing and tying effect. The horizontal and vertical edges of the outer slab are formed with grooves for sealing compound and the vertical edges may also be formed with inclined drainage grooves. The component is hollow or an intermediate layer 5 of foamed plastics may be provided, either in preformed components or by being injected into hollow components in an erected wall. The component is cast in a mould, sand temporarily holding the slabs of the hollow component apart.
Patent GB-1236853-A (GB)
Title: Container for disposable items
Inventor: MARTIN MELVIN
IPC: A47G29/06
Filed: 1969-07-25
Abstract: 1,236,853. Refuse container. M. MARTIN. 19 Aug., 1969 [25 July, 1969], No. 37452/69. Heading A4A. A generally rectangular refuse container 10, particularly suitable for sanitary napkins, has a sliding door 18 in the top face 14. An internal inclined shoot 21 spanning between side walls 11 extends from the aperture 15, its end 22 stopping short of end wall 12. 1,236,894. Hair curler. E. GREGORY. 12 Feb., 1970, No. 6777/70. Heading A4V. A hair curler as described in Specification 806,484 has at its end remote from the spigot and socket connection a thin annular flange extending radially beyond the free end of the clip, which is tapered down in thickness towards its free end.
Patent GB-1396904-A (GB)
Title: Method for the control of micro-organisms
IPC: C10L1/18
Filed: 1972-08-11
Abstract: 1396904 Biocidal application of a benzoxaborole derivative IMPERIAL CHEMICAL INDUSTRIES LTD 20 July 1973 [11 Aug 1972] 37548/72 Heading A5E [Also in Division C5] A medium is protected against microorganisms by treatment with 1-hydroxy-3H-1, 2-benzoxaborole of formula optionally in conjunction with ethylene glycol monomethyl ether. The medium may be a hydrocarbon such as aircraft fuel, hides, sheepskins, leather, oils, oil emulsions, paint, wood, fresh water, sea water or the water systems of paper mills.
Patent GB-1511516-A (GB)
Title: Antenna system for millimetre or centimetre wave links
IPC: H01Q1/08
Filed: 1975-09-12
Abstract: 1511516 Multi-beam antenna system THOMSON-CSF 12 Sept 1975 [13 Sept 1974] 37688/75 Heading H4A An antenna system for a communication link operating in the millimetric or centimetric wave range comprises a primary antenna and a reflector, both rotatable about a vertical axis, and an arrangment whereby the system is operable selectively in three modes, viz: (I) having the reflector non-operative and the primary antenna with a radiation pattern fixed relative to the primary antenna, (II) having the reflector non-operative and the primary antenna having alternately two radiation patterns with intersecting lobes, (III) having the reflector operative for forming with the primary antenna a highly directional radiation pattern. In the Fig. 1 embodiment, parabolic reflector 1 is hinged at its base and is movable into the upright, operable position by switch-controlled jacks 5, 6. The primary antenna 3, detailed in Fig. 2, has four horns fed via waveguides by the radiating bared end 20 of co-axial cable 8. PIN diodes 41-44 set centrally in respective horn throats, and an offset PIN diode 40 in horn 23, are selectively switchable whereby (a) in mode I no diodes are conductive and all horns are active to give omnidirectional radiation pattern a (Fig. 3) for surveillance purposes, (b) in mode II diodes 42, 43 are conductive and diodes 41, 44 are alternately conductive so that only horns 21 and 24 are active to give overlapping radiation patterns b 1 , b 2  alternately for search of an azimuthal sector, and (c) in mode III diodes 41, 42, 44 are conductive and offset diode 40 is switched on and off repeatedly to give, in conjunction with the nowoperative reflector, narrow-lobe patterns c 1 , c 2  alternately for tracking purposes. The system is useful for communication links between moving vehicles. Fig. 4 shows a second embodiment in which the reflector, 50, is partspherical and is movable to an inoperative position (shown in dotted-line) above the centre of the horn assembly.
Patent GB-326842-A (GB)
Title: Signal transmitting system
IPC: H03H2/00
Filed: 1928-12-21
Abstract: 326,842. Brandes, Ltd., (Federal Telegraph Co.). Dec. 21, 1928. Harmonics, utilizing and absorbing.- The output from an arc generator 12, after passing through a tuned circuit 16, 17 is freed from undesired harmonics by causing all such frequencies, other than that to be utilized, to pass in opposite directions through the coils 23, 24 so that there is no inductive transfer to the aerial 21. One branch circuit comprises the coil 23 and midpoint tapping to earth at 11, the other branch passing through the coils 31, 24 in series to earth. For the desired frequency a tuned circuit 28, 29 having a high impedance is coupled to the branch containing the coils 24, 31, so that this frequency traverses the coil 23 alone, and, being unbalanced, is transferred to the aerial. The same, principle is also described as applied to a thermionic power amplifier fed from a valve generator. The circuit 28, 29 may be capacitatively coupled to the branch containing the coil 24.
Patent GB-763429-A (GB)
Title: Improvements in centrifugal separators
IPC: B04B1/18
Filed: 1954-12-31
Abstract: 763,429. Centrifugal separators. WESTFALIA SEPARATOR AKT.-GES. Dec. 31, 1954 [Jan. 22, 1954; Feb. 6, 1954], No. 37828/54. Class 23 A bowl comprising lower and upper parts 1, 2 held together by a ring 3 has sludge outlets 15 closed by an annular slide valve 4 which coacts with the sealing ring 5 placed between the parts. To prevent sludge leaking by the sealing ring to the thread 9, an annular channel 10 connected to radial bores 12 is formed in the part 1. A metal ring 13'may be placed upon or vulcanized to the sealing ring and the bores 12 may be extended into the part 2.
Patent GB-918315-A (GB)
Title: Improvements in or relating to secondary radar systems
Inventor: FOSTER KENNETH
IPC: G01S13/76
Filed: 1960-11-03
Abstract: 918,315. Secondary pulse radar systems. COSSOR Ltd., A. C. Oct. 27, 1961 [Nov. 3, 1960], No. 37870/60. Class 40 (7). A secondary pulse radar system ground station apparatus comprises a directional aerial 34 coupled to a first receiver 32, a non-directional aerial 36 coupled to a second receiver 42, both aerials adapted to receive answering signals from a transponder (not shown) and coupled to an inhibitor 46, 48 adapted to allow the position of the transponder to be displayed on display means 40 coupled to the first receiver, only when the first answering signal received by the non- directional aerial 36 is coincident with a signal received by the directional aerial 34. In the arrangement shown, the transmitter 30 transmits a control pulse through the non-directional aerial 36, arranged at the centre of the directional aerial 34, followed by an interrogation pulse radiated by the directional aerial 34. When an answering pulse, received by the directional aerial, is coincident with the first pulse received by the non-directional aerial, as determined by the comparator 46, the inhibit control 48 is lifted to allow the P.P.I. indicator 40 to operate. The reply signal from the transponder may be coded to include information as to its bearing.
Patent GB-880115-A (GB)
Title: Scale reading verniers
Inventor: RHEINBERG LESLIE
IPC: G01B3/00
Filed: 1958-11-25
Abstract: 880,115. Weighing apparatus. GRATICULES Ltd. Nov. 25, 1959 [Nov. 25, 1958], No. 31890/58. Class 143. [Also in Group XIX] In a scale and vernier arrangement both the scale a and the vernier d are provided in negative form as transparent or translucent markings on an opaque mask mounted on a transparent or translucent backing. As shown the vernier d has a window portion e through which the main scale a is visible. An index mark i on the edge of the window'e indicates units and tenths on the main scale. A row of markings g corresponds in the usual vernier manner with the lower parts of the markings of the main scale a to indicate hundredths, and a second row of markings h uniformly spaced, with a slightly closer spacing than the row g corresponds with a further closely spaced row b on the main scale a to indicate thousandths of the units employed. A light is arranged behind the scales and where markings are coincident, an illuminated slit will be visible. Thus the reading shown is 2.352 units. Instead of the vernier and scale being adjacent, an image of one may be projected on to the other, this latter being carried by a frosted glass screen. A further embodiment of the vernier is described in which two rows of transparent dots are used, the diameters of the dots being larger than the width of the previously used strokes and the calibration b being omitted. The apparatus is described as being, of particular use in conjunction with an aperiodic balance on to the screen of which the balance reading is projected. It is also suggested that a photo-electrically actuated digital computer may be incorporated to count the number of markings moved past the beginning of the vernier, and thus indicate the marking at which coincidence occurs, so giving the reading automatically.
Patent GB-365272-A (GB)
Title: Improvements in or relating to safety razors
IPC: B26B21/54
Filed: 1930-12-16
Abstract: 365,272. Safety razors. MORGAN, J. W., 80H, East Street; Manchester Square, London. Dec. 16, 1930, No. 37988. [Class 30.] In a safety razor wherein the blade 2 is transversely flexed by curved clamping members, the blade is supported on its underside near its cutting edges by a flexible reinforcing plate 1, which projects beyond the support 3 pressing on the underside of the blade. The plate 1 may be of similar material and thickness to that of the blade and may be fixed to either the blade or guard. In the preferred form a plate 1 is fixed at each side of the blade to enable it to be reversed. The plates are held together by eyelets 4 passed through the usual locating apertures, or by tongues or depressions in the side edges of the plates, fitting into or turned over the edges of the blade which may be notched to receive them. The plate may be fixed by an eyelet to a guard having a central projection 3. In some cases the top face of the guard may be recessed to accommodate the plate.
Patent GB-334806-A (GB)
Title: Method of connecting up auxiliary turbines in condensing turbine locomotives
IPC: F01K15/02
Filed: 1929-12-11
Abstract: 334,806. Burmeister, E. Dec. 17, 1928, [Convention date]. Railway locomotives, steam-turbine.-In a condensing turbine locomotive in which the auxiliary machines E, F, G, H are arranged in groups driven by separate auxiliary turbines A, B, the steam for the auxiliary turbine B which drives machines which have to run at variable speed is taken from a point beyond the regulating valve D by which the turbine A is governed to constant speed. The variable speed turbine may drive the cooler fan and the cooling-water pump, and the governed turbine may drive the boiler feed pump, the condensate pump, the condenser air pump and the brake air pump. The auxiliary turbines may be arranged in parallel as shown in Fig. 1, or in series as shown in Fig. 2. They may exhaust into the condenser of the main turbine or the exhaust of one or both turbines may be passed to preheaters. Part of the steam may be passed to a preheater at an intermediate stage.
Patent GB-1305071-A (GB)
IPC: A61K31/00
Filed: 1970-08-06
Abstract: 1305071 Carbohydrate compositions DEUTSCHE LAEVOSAN-GESELLSCHAFT C F BOEHRINGER & SOHNE GmbH & CO KG 6 Aug 1970 [7 July 1970] 38028 70 Heading ASB  Pharmaceutical compositions for treatment of liver diseases and nutritional disturbances in unweaned infants comprise (I) at least one of the following (a) an oligo- or polysaccharide of formula (gal) @ -saccharose in which "gal" is a galactose residue and n is an integer, (b) an oligo-fructosan, (c) a polyfructosan or (d) a kestose, (II) flavouring or colouring and (III) a carrier. The oligo- or polysaccharide (a) may be raffinose. The oligo- or polyfructosan may be inulin. The flavouring may be lemon flavouring. The colouring may be tartrazine yellow. The composition may also include an antibiotic, a sulphonamide and/or a vitamin. It may be in the form of crystals, powder, tablets, granules, capsules, dragees. syrup, paste or gum.
Patent GB-804306-A (GB)
Title: Method of preparing cellulose ethers readily soluble in cold water
Inventor: ANDERSON ARTHUR WILLIAM
IPC: C08B11/20
Filed: 1956-12-13
Abstract: The solubility of a cold-water soluble cellulose ether is improved, and its bulk density is increased, by forming a mixture of 2-35 per cent by weight of a fibrous cold-water soluble cellulose ether and 98-65 per cent of hot water at a temperature above the gel point of the cellulose ether, cooling the mixture to a temperature below its gel point until the fibrous structure has substantially disappeared and the mass has become transparent, heating the mass to above its syneresis temperature, drying it without allowing the temperature to drop below the gel point, and then reducing the dried product to the desired particle size.  The treatment with hot water may be carried out at super-atmospheric pressure.  The greatest possible amount of the water separated from the mass by syneresis is preferably removed by decanting, centrifuging or other mechanical methods before drying is started. Ethers specified are methyl cellulose, certain ethyl celluloses and methylhydroxy propyl cellulose.  U.S.A. Specification 2,331,864 is referred to.  Reference has been directed by the Comptroller to Specification 790,223.
Patent GB-956470-A (GB)
Title: Improvements relating to rollerway conveyors
IPC: B65G13/00
Filed: 1960-11-09
Abstract: 956,470. Metal beams, structural joints. J. C. A. LEMARESQUIER. Nov. 9, 1960 [June 7, 1960], No. 38499/60. Heading E1K. [Also in Division B8] The side beam of a roller way conveyer frame is formed of a plurality of longitudinal sheet metal sections 11 arranged in side by side manner and secured together by pairs of clips 4, 5 held by screws 10, the clips 4, 5 being bent as shown to match the bending of the sections 11. Two such side beams may be secured together to form a roller way frame by welded transverse bars, and an inner  clip 5 may be extended upwards to form the side support of a conveying roller. Additionally the clips 4, 5 may secure feet along the length of the side beams.
Patent GB-872328-A (GB)
Title: Production of stabilised polyamides
IPC: C08G69/20
Filed: 1957-12-12
Abstract: 872,328. Poly #-caprolactam. MONSANTO CHEMICAL CO. Dec. 12, 1957 [Dec. 13, 1956], No. 38638/57. Class 2(5). #-caprolactam is polymerized by heating under substantially anhydrous conditions in the presence of (a) a catalytic amount of an alkali or alkaline earth metal or of a compound thereof which acts as an anionic polymerization catalyst and (b) a compound containing at least one tertiary nitrogen atom, one group linked to the nitrogen atom being a carbonyl, thiocarbonyl or sulphonyl group and a second being a carbonyl, thiocarbonyl, sulphonyl or nitroso group, the compound being free from primary amino groups. Specified metal compounds are the hydrides, fluorohydrides, oxides, hydroxides and carbonates, lithium, sodium and potassium alkyls, e.g. butyl lithium and sodium phenyl. Specified compounds containing tertiary nitrogen atoms are N-substituted imides, e.g. N-acetyl-2- pyrrolidone; cyclic imides of dicarboxylic acids, e.g. N-phenyl succinimide; N, N-diacyl primary alkyl and arylamines and N, N-diacyl acylamides, e.g. N, N-diacetyl methylamine; the N, N<SP>1</SP>, N<SP>11</SP>- trimethyl ester of isocyanuric acid; N-acyl sulphonamides and sulphonimides, e.g. N-acetyl- N-ethyl-p-toluene sulphonamide; disulphonamides of primary alkyl and aryl amines, e.g. N, N-di(p-toluenesulphonyl) anilide; N-nitrosoamides which do not have a free hydrogen atom on the amide group, e.g. N-nitroso-2-pyrrolidone and N-nitrososulphonamides, e.g. N-nitroso-N- methyl-benzene sulphonamide, many examples of such compounds being listed. The compound containing the tertiary nitrogen may be formed in situ in the reaction mixture by reacting the #- caprolactam with an isocyanate or ketone. In the examples, #-caprolactam is polymerized in the presence of sodium hydride and (1) N-acetyl- #-caprolactam; (2) N, N-diacetyl methylamine; (3) ethyl isocyanate; (4) N-acetyl-N-methyl-ptoluene sulphonamide; (5) 4, 4<SP>1</SP>-diisocyanato diphenyl methane; (6) 2, 4-tolylene diisocyanate; (7) the tri-isocyanate formed by reacting 1, 1, 1- trihydroxymethyl propane with 2, 4-tolylene diisocyanate; (8) N-phenyl succinimide; (9) N-methyl phthalimide and (10) N-acetyl-2- pyrrolidone, the products of the examples being ground, leached and dried.
Patent GB-893489-A (GB)
Title: Rudder and propeller unit for ships
Inventor: WOBORSCHIL FRANZ
IPC: B63H25/42
Filed: 1959-11-16
Abstract: 893,489. Steering ships. VOLKSWERFT STRALSUND VEB: Nov. 16, 1959, No. 38751/59. Class 114. In a rudder with a propeller unit mounted therein and rotatable therewith, the propeller unit, which lies in a nozzle-like duct 7 running through from the forward to the after edge of the rudder 1 and coaxial with, the propeller 6 of the ship's main engine, is connected via mitre gears in the duct, through the rudder axle 2, with a drive unit (an electric motor 3) disposed in the ship's hull coaxially with the rudder axle. The propeller unit may consist of a single propeller 5 or a double propeller or two separate propellers, slits being provided in the sides of the nozzle in the region of the rear propeller.
Patent GB-1371197-A (GB)
Title: Detecting the entry of a gramophone stylus into the run-out groove  of a record being played
IPC: G11B19/02
Filed: 1971-08-18
Abstract: 1371197 Measuring angular velocity photoelectrically ONKYO K K 18 Aug 1971 [20 Aug 1970] 38841/71 Heading G1A [Also in Division G5] In an arrangement for determining when a stylus of a gramophone pick-up arm enters the run out groove of a record, a transparent sector shaped plate 11 is fixedly mounted on the pick up arm shaft and carries a pattern 14 of alternate transparent and opaque stripes which is disposed between a light source 20 provided with a similarly patterned mask 23 and a photo-cell 21. The frequency of the variation in amplitude of the light received by the cell increases as the stylus enters a record run out groove and this increase is detected by an R-C circuit which when its output exceeds a set level triggers a flip-flop which actuates a pick-up arm return apparatus. The sector shaped plate 11 and/or the mask 23 can be opaque with the light transmitting stripes formed by slots cut therein.
Patent GB-883817-A (GB)
Title: Improvements in or relating to pressure regulating valves for fluids
Inventor: EVANS JAMES RAY
IPC: A62B9/02
Filed: 1957-12-16
Abstract: 883,817. Valves. ROBERTSHAW-FULTON CONTROLS CO. Dec. 16, 1957 [April 25, 1957], No. 39081/57. Class 135. A fluid-pressure reducing valve comprises a housing 10 having a chamber 66 disposed between an inlet 16 and an outlet 130, a stationary valve seat member 36 and a movable valve member 64 co-operating with an end recess 62 on the stationary member to form the annular chamber 66 in which fluid-pressure impulses are dissipated, an outlet pressureresponsive diaphragm 104 connected to move valve member 64, the outlet pressure being adjustable by means of a bolt 96 adjusting the loading of a spring 92 on the diaphragm, the latter being positioned so as to be free from direct impingement of the fluid flow and the stationary member being cylindrical with a concentric series of axial bores 58 leading from the inlet to the chamber 66.
Patent GB-780833-A (GB)
Title: Improvements in or relating to electrical switches
Inventor: WRIGHT ESMOND PHILIP GOODWIN
IPC: H03K17/68
Filed: 1955-09-30
Abstract: 780,833. Transistor and cold-cathode tube switching circuits. STANDARD TELEPHONES & CABLES, Ltd. Sept. 30, 1955, No. 39446/56. Divided out of 780,832, [Group XIX]. Class 40 (6). In an arrangement for connecting two signal circuits C1, C2 two switches A, B are connected in series and are of a type having two transmission electrodes and a control electrode, a twocondition circuit being associated with their connecting lead and. switching signals are applied to the whole circuit. In one state the switches A, B are off and the two-condition device is on and in the other state the switches are on and the device is off. In the circuit described symmetrical transistors are used with transmission electrodes A1, A2, B1, B2 with associated control electrodes A3, B3. When the switch is open the terminal D is maintained at plus 12 volts thereby ensuring that both base electrodes A3, B3 are positive with respect to the electrodes A1 ... B2, since due to rectifier MR3 conducting, the join A2, B2 is maintained at plus 10 volts. The switch is closed by lowering the potential of terminal D to minus 12 volts when the base electrodes A3, B3 fall below the potentials of their associated transmission electrodes. When the switch is open diode MR3 conducts to present a low-impedance path to earth for signal currents. In the closed position the diode is non-conducting and presents a high shunt impedance. The switches A, B may be cold-cathode tubes having two anodes and a single cathode as described in Specification 734,345. Specification 780,831 also is referred to.