baber/WOPTO huggingface dataset:
Patent GB-785490-A (GB)
Title: Process for the 'complete gasification' of liquid and of powdered or pulverulent solid fuels
IPC: C01B3/40
Filed: 1955-07-15
Abstract: 785,490. Gasifying liquid and solid pulverulent fuels. GIORDANO, 1. July 15, 1955 [July 16, 1954], No. 20498/55. Class 55 (2). In a process for gasifying liquid fuels an emulsion of the fuel with water or with an aqueous solution or suspension of a substance capable of catalysing a cracking or gas-formation reaction is preheated and injected with steam superheated to at least 400‹ C. into a reaction chamber at a temperature between 700- 900‹ C. Solid pulverulent fuels may be incorporated in the emulsion and suitable catalysts are a salt of an alkali metal, e.g. sodium carbonate or bicarbonate, a salt or oxide of an alkaline earth metal, e.g. calcium oxide, carbonate or hypochlorite, or a salt of iron, copper or manganese. The temperature of the reaction chamber may be maintained by internal combustion or by external heating. In an example a heavy fuel oil to be gasefied was emulsified by addition of 15 per cent of a 5 per cent aqueous solution of sodium bicarbonate.
Patent GB-573133-A (GB)
Title: Improvements in or relating to electro-magnetic relays
IPC: H01H50/30
Filed: 1943-12-08
Abstract: 573,133. Electromagnetic relays. STANDARD TELEPHONES & CABLES, Ltd., TOWNER, S. H., and CHILDS, P. A. Dec. 8, 1943, No. 20507. [Class 38 (v)] A relay having an L-shaped armature 14 pivoted at 16 is adapted to withstand shock and to operate at substantially the same current even though the relay is subject to a high acceleration, by providing the armature with a balance weight 18 which brings the centre of gravity of the armature at or near to the pivot 16. The centre of gravity may be slightly to the right of the point 16 and on a line connecting 16 with the operating stud 17 so that the effect of an acceleration on the armature which tends to rotate the armature is balanced by the effect of the acceleration on the contact springs which acts in the opposite direction. Alternatively, as shown, the centre of gravity is at the point 16 and the effect of acceleration on the contact springs is balanced by an additional spring 19. Specification 566,778 is referred to.
Patent GB-502527-A (GB)
Title: Improvements in or relating to carburettors for internal combustion engines
IPC: F02M9/10
Filed: 1938-07-11
Abstract: 502,527. Spray carburetters. ABRAMSON, A. July 11, 1938, No. 20514. [Class 7 (iii)] Pivoted spring-pressed blades 2 which determine the air passage past a transverse fuel nozzle 5 are formed of less width than the body' 1 to provide air passages outside the blades, the air rejoining the mainairstream through apertures 8 in the blades.
Patent GB-441137-A (GB)
Title: Glass show cases, display windows, or the like
IPC: A47B49/00
Filed: 1934-07-13
Abstract: 441,137. Showcases. RIEMERSCHMID, R., 1, Lutzowstrasse, Pasing, near Munich, Germany. July 13, 1934, No. 20586. [A Specification was laid open to inspection under Sect. 91 of the Acts, July 8, 1935.] [Class 52 (i)] A wall or walls of a showcase consist of unframed glass members 2, 3 each carried by a rotable base plate which can be swung to give access to the interior of the case.' The base plates may be moved towards each other when the case is closed by means of screwed tie rods 8 or like devices to form a tight closure between the glass walls. The base plates may forn the floor of the case, or the pivots may be arranged at the edge of the structure in which case the base plates pass beneath a false bottom on the base of the case.
Patent GB-740345-A (GB)
Title: Improvements in or relating to collapsible reels
IPC: B65H75/24
Filed: 1954-07-14
Abstract: 740,345. Cable &c. reels. NATIONALSTANDARD CO. July, 14, 1954 [Aug. 17, 1953], No. 20595/54. Class 99(2). End plates 11, 12 are held in spaced, parallel ,relationship by a hub assembly 13 of which a spindle 17 and a collar 19 are arranged to move slidably with the plates coaxially with respect to one another, and an inflatable, annular tube 44 of rubber or other resilient material is arranged to act on the spindle and collar so as to bias the plates coaxially towards one another thereby compressing end-wise a coil of cable 49 to prevent tangling of the cable when drawn off the reel. As shown, the plate 11 is slidable on the collar 19 and relative rotation between those parts is prevented by a pin 22 secured in the flange 21 of the collar, the plate 12 being fixed to the flange 18 of the spindle 17 which is slidable on the collar ; also, secured to the spindle is a hub 28 having an annular wall 31 and radially extending arms 29 supporting a core 50 onto which the cable is wound. An annular plate 40 secured to three rods 35 and between nuts 38 and rings 39, snapped into grooves in the rods, forms together with the wall 31 a space 41 in which the tube 44 is located, the rods passing through the wall 31 and being secured to the flange 21 of the collar 19 and preventing rotation but permitting sliding of the collar on the spindle. Pneumatic or hydraulic inflation of the tube 44 via a valve 45 forces the wall 31 and plate 40 apart so that the plates 11, 12 are pulled inwardly and towards one another. The plates 11, 12 are reinforced with metal and have metal treads 15 and radially disposed slots 14, and removal of a nut 24, screwed onto the collar 19, and the plate 11 allows removal of a coil of cable from or the placing thereof on the core 50.
Patent GB-688814-A (GB)
Title: Blind landing system
IPC: G01S1/02
Filed: 1951-08-31
Abstract: 688,814. Radio navigation. STANDARD TELEPHONES & CABLES, Ltd. Aug. 31, 1951 [Sept. 13, 1950], No. 20601/51. Class 40 (vii). A two-tone radio beacon for defining a glide path comprises a radio energy source having two outputs. modulated at different respective frequencies, an antenna system comprising three antenna arranged in a vertical line and means for energizing the lowest aerial of the three from one output and the other two aerials equally from the other output. The beacon arrangement according to the invention enables the lobes of the pattern created by the upper aerials which lie immediately above the glide path to be reduced in amplitude, thus reducing the likelihood of misleading indications being presented on the craft and also enabling adjustment to be made over a wider angular range of glide paths. In one embodiment the radio transmitter's two outputs are modulated at 90 c/s. and 150 c/s., respectively, the former being connected to the lower aerial 10 mounted at a height h above the ground, backed by a reflector 8<SP>11</SP> while the latter output is fed to aerials 6 and 7 at heights 4h and 8h, backed by reflectors 8 and 8<SP>1</SP>. Curves relating elevation angle and field strength are given for a known system using two aerials and the system according to the invention (Figs. 4 and 5, not shown). The matching means required where the feeders from the upper aerials join is discussed with reference to Figs. 3a, 3b and 3c (not shown). Specification 578,773 is referred to.
Patent GB-456465-A (GB)
Title: Process for making alloys
IPC: C22C1/02
Filed: 1935-07-22
Abstract: An alloy containing a major proportion of one or more metals having an affinity for nitrogen, or the components of such an alloy is or are intimately mixed with sufficient of a nitrogen containing oxidizing agent and of a reducing agent to melt the alloy by the heat of reaction between the oxidizing and reducing agents, such reaction being caused to take place in the absence of substantial amounts of reducible metal oxides, nitrogen liberated by the reaction being thus brought into contact with and incorporated in the molten alloy. Ammonium, sodium, potassium, and calcium nitrates may be used as oxidizing agents as also may nitrites; the reducing agent may be aluminium or silicon. Ferrochromium, high in silicon, may be mixed with sodium nitrate and lime and the charge ignited by means of magnesium powder, to produce an alloy comprising iron, chromium, carbon, silicon, and nitrogen.  In addition to ferrochromium, any alloys comprising a major proportion of titanium, zirconium, cerium, vanadium, niobium, tantalum, chromium, molybdenum, or tungsten, may be treated.
Patent GB-784983-A (GB)
Title: Improvements in or relating to pumps, more particularly for lubrication systems
IPC: F16N13/02
Filed: 1956-07-04
Abstract: 784,983. Reciprocating pumps. TECALEMIT, Ltd., (Deutsche Tecalemit Ges.). July 4, 1956, No. 20745/56. Class 102(1). A piston 8 actuated in one direction by a cam 44 and returned by a spring 22 is prevented from returning by a tooth 57 which engages in a recess 15 in the piston 8 when the liquid in a reservoir 3 feeding the pump falls below a certain level. The tooth 57 is carried on a pivotally mounted arm 51 to which is secured a float 54 in the reservoir. The pump has a bucket valve 19, an outlet valve 29 and a pressure relief valve 37 the discharge from which returns to the reservoir 3 through a sight dome 39. The reservoir has a window 49, a filler cap 47 and filter 48. Two or more parallel pistons and cylinders may be arranged below the reservoir. The pump is actuated by a hand lever 41 but may be mechanically actuated, e.g. by an electric motor.
Patent GB-1380365-A (GB)
Title: Taps and valves
IPC: F16K31/60
Filed: 1972-05-04
Abstract: 1380365 Valves REED INTERNATIONAL Ltd 21 Feb 1973 [4 May 1972] 20793/72 Heading F2V Unwanted tightening or loosening of a screw 21 retaining a valve operating knob 20 splined to an operating member 16 is prevented by interposing a washer 23 between the knob and the screw head. The washer, which is of a material more readily deformable than that of the knob, is prevented from rotating relatively to the knob by a complementary lug and slot arrangement in the washer and the knob. The knob may be made of an acrylic plastics material and the washer of an acetal plastics.
Patent GB-157060-A (GB)
Title: Improvements in electromagnetic wave signalling systems
IPC: H01Q5/00
Filed: 1920-07-12
Abstract: 157,060. Bethenod, J. Nov. 28, 1919, [Convention date]. Void [Published under Sect. 91 of the Act]. Open to inspection under Sect. 91, Dec. 18, 1920. Multiplex signalling.-In a multiplex transmitting or receiving system in which a number of transmitters or receivers of different frequency are connected to a common aerial, each transmitting or receiving circuit has associated therewith tuned resonant circuits adapted to isolate it from waves of a different frequency operating in the system. In the arrangement shown in Fig. 1, a pair of alternators 1, 2, of frequencies f<1>, f<2>, respectively, are connected in parallel to a common aerial 3. A rejector circuit 5 inserted in series with the alternator 1 and tuned to the fiequency f<2>, prevents the passage of oscillations from the alternator 2 through the alternator 1. Similarly a tuned circuit 6 isolates the alternator 2 from oscillations generated by the alternator 1. As shown in Fig. 2, the alternators 1, 2 are arranged in series. The alternator 1 is shunted by a resonant circuit 5 tuned to the frequency of the alternator 2, so that the oscillating circuit for the alternator 2 consists of aerial 3, resonant circuit 5, alternator 2, and earth 4. The alternator 2 is shunted in like manner by a circuit 6 tuned to the frequency of the alternator 1. The invention may be applied to multiplex receiving systems by replacing the alternators by receiving circuits.
Patent GB-294252-A (GB)
Title: Improvements relating to elastic fluid turbines and condensing apparatus therefor
IPC: F01K11/02
Filed: 1928-07-18
Abstract: 294,252. Metropolitan-Vickers Electrical Co., Ltd., (Assignees of Hodgkinson, F.). July 21, 1927, [Convention date]. Axial-flow type; casings.-A housing structure constituting a combined turbine casing and condenser shell is formed with a removable upper part consisting of a turbine casing portion and a condenser shell portion. The high pressure blading is enclosed by casing members 13, 14, and the low pressure blading by members 16, 17, which also provide the exhaust chamber and form portions of the shells of the condensers. In the arrangement shown, two nests of condenser tubes 23 are provided in connected shells 18. The shells are preferably built in sections as shown, with a removable cap 33, but the upper part may be formed in one piece. Vibration of the upper water boxes 29 is prevented by screws 34 and struts 36, Fig. 5, or by thin flexible diaphragms 46, Fig. 4, secured to the upper tube plate 43.
Patent GB-697177-A (GB)
Title: Improvements in or relating to light building and like structures and the productionthereof
IPC: E04B1/32
Filed: 1950-08-24
Abstract: 697,177. Casting buildings in situ. AEROCEM, Ltd., and MOLLO, E. Aug. 24, 1951 [Aug. 24, 1950], No. 20972/50. Class 20(ii) A building is constructed by spraying plaster or concrete 4, on hessian 3 &c. stretched over a temporary framework 1 over which is laid a reinforcing layer 5 sprayed with concrete 6, the framework 1 being finally removed. In the construction shown in Fig. 2 metal mesh 2 is first stretched over the framework and the reinforcement 5 is in the form of channels of metal mesh extending longitudinally of the building. Also. further layers of hessian 8, metal mesh 10 and concrete 9 are. applied on the outside. The construction of a hut with gable roof is described in which the temporary framework comprises a plurality of frames bolted together and window frames are applied over the hession. The channel reinforcement is applied along the quoins, eaves, ridge and round the windows and doors. Drip ledges and sills are formed by. embedding expanded metal in the wall and spraying with concrete. Specification 652,705, [Group III], is referred to.
Patent GB-1216748-A (GB)
Title: Surface treatment of plastics
IPC: B44D3/18
Filed: 1968-05-03
Abstract: 1,216,748. Electro-plating of plastics. Electroless plating of plastics. AVISUN CORP. May 3, 1968 [May 3, 1967], No.21082/68. Headings C7B and C7F. [Also in Division C3] In the electro-plating of plastics the surfaces thereof are conditioned prior to plating by treating with a conditioning agent comprising at least 60 weight per cent of either (1) sulphuric acid, optionally admixed with a minor proportion by volume of phosphoric acid, and 1 to 10 weight per cent of chromium trioxide, or (2) phosphoric acid, optionally admixed with a minor proportion by volume of sulphuric acid, and 1 to 10 weight per cent of chromium trioxide, sodium dichromate, potassium dichromate or mixtures thereof; 10 to 25 weight per cent of water; and 0À1 to 6 per cent by volume of the acid of (a) hydrocarbons boiling between 80 and 240‹ C. and containing a predominant proportion of cycloparaffins or isoparaffins containing the neopentyl group, (b) olefinic hydrocarbons containing the neopentyl group or (c) carboxylic acids containing neopentyl group. Specified plastics are vinyl aromatic, ABS, acrylic, olefin and halo olefin polymers; epoxy, polyester, polyurethane, polyacetal, polyamide, polyimide, polycarbonate, polyphenylene oxide and polysulphone resins; and cellulose esters; optionally, containing fillers such as glass fibre, asbestos, talc, carbon, silica and heavy metal salts. Examples describe the use of conditioners comprising sulphuric and phosphoric acids, chromium trioxide, water and sodium hydrogen sulphate together with C 11-15  cycloparaffins to treat (2-4) polypropylene, (3) ABS terpolymer, (5) polypropylene containing asbestos and (b) polypropylene containing barium sulphate; together with (7) pivalic, (8) neoheptanoic and (9) neotetra-decanoic acids to treat polypropylene; and together with potassium dichromate and C 11-15  cycloparaffins to treat (10 and 11) polypropylene; the conditioned plastics being sensitized with stannous chloride solution, activated with palladium chloride solution, "electroless" plated from a bath comprising copper sulphate, sodium hydroxide, Rochelle salt and formaldehyde and electro-plated with copper. Electrolessly deposited Cu, Ni or Co may be conventionally electro-plated with Cu, Ni and/or Cr or just Ni and Cr.
Patent GB-1165256-A (GB)
Title: Trisorbitol Dihydrate and process for the preparation thereof
IPC: C07C31/26
Filed: 1967-05-05
Abstract: 1,165,256. Trisorbitol dihydrate. ATLAS CHEMICAL INDUSTRIES, Inc. 5 May, 1967 [10 May, 1966], No. 21138/67. Heading C2C. Novel trisorbitol dihydrate is obtained by adjusting to a temperature of from 0‹ to 15‹ C. a solution of aqueous sorbitol of a concentration such that it is supersaturated at that temperature with respect to trisorbitol dihydrate and agitating the solution in intimate contact with crystals of trisorbitol dihydrate at that temperature until additional crystals precipitate; the crystals of the dihydrate may be formed in situ by agitating a suspension of anhydrous sorbitol crystals in a saturated or supersaturated solution of sorbitol. The dihydrate may also be prepared by dissolving anhydrous sorbitol crystals in water below about 15‹ C. until the water content of the solution is less than that represented by the solubility of the dihydrate at that temperature and continuing the addition of anhydrous sorbitol at from 0‹ to 15‹ C, until the dihydrate precipitates.
Patent GB-481652-A (GB)
Title: Improvements in and relating to parcel carriers
IPC: B65D75/56
Filed: 1937-07-30
Abstract: 481,652. Toys. NIELSEN, R. July 30, 1937, No. 21181. Convention date, Aug. 4, 1936. [Class 132 (iii)] [Also in Group XVII] Parcel-carrier pegs 1 are provided with projecting pins 3 and holes 4 to enable them to be readily connected together as buildings elements for constructing toys.
Patent GB-666669-A (GB)
Title: Improvements in or relating to culinary implements
IPC: A47J43/10
Filed: 1949-08-15
Abstract: 666,669. Tongs. HOSKING, H. G. W. Oct. 25, 1950 [Aug. 15, 1949], No. 21203/49. Class 61 (ii). [Also in Group II] Tongs for handling food are constructed for use as a whisk or beater and comprise a pair of pivoted arms 1, 2, spring biassed into open position, the arm 1 carrying parallel wire loops 6, 7, 8 arranged in the shape of a spoon 5, the arm 2 carrying a flat co-operating plate 11 similar in outline to the wire spoon device 5 and having holes or slots therein to provide the necessary beating action. The blade 11 may be bent up slightly as shown in chain dotted lines to enable it to be readily pushed underneath food to be lifted. The plate 11, Fig. 3, which is provided with slots 12 and 13, may be replaced by a plate having a plurality of holes or a combination of slots and holes. The device may have scissorlike handles.
Patent GB-597463-A (GB)
Title: Improvements relating to the preparation of extreme pressure lubricants
Filed: 1945-08-20
Abstract: by blending with the oil a halogenated acena parted to mineral lubricating oils for machinery by blending with the oil a halogenated acenaphthene, e.g., 0.5 to 1.0 per cent. of chlorinated acenaphthene containing approximately two atomic proportions of chlorine obtained by direct chlorination in the absence of either solvent or catalyst near the melting point of the acenaphthene.ALSO:Chlorinated acenaphthenes are prepared by direct chlorination, in the absence of either solvent or catalyst, at or near the melting point of the acenaphthene or under conditions of rising temperature from normal temperature.
Patent GB-1325093-A (GB)
Title: Slip-joint construction
IPC: E04B1/36
Filed: 1971-04-19
Abstract: 1325093 Laminates BELLS ASBESTOS & ENG PTY Ltd 19 April 1971 [16 April 1970] 21362/71 Heading B5N [Also in Division E1] A slip-joint element having a laminate construction comprises two spaced-apart parallel elongated strips 12 of rubber faced by a common strip 13 of polytetrafluoroethylene, the laminate being foldable upon itself for face-to-face sliding contact, between a relatively movable load and a load support structure. The polytetrafluoroethylene may be heat welded or adhesively bonded to the rubber strips which may be of neoprene. In a preferred embodiment, the polytetrafluoroethylene projects beyond the edges of the rubber strips.
Patent GB-951963-A (GB)
Title: Improvements in or relating to travelling wave tubes
IPC: H01J23/26
Filed: 1961-06-13
Abstract: 951,963. Travelling-wave tubes. STEWART ENGINEERING CO. June 13, 1961 [July 18, 1960], No. 21371/61. Heading H1D. A method of mounting a helix, e.g. for use as a delay line, in a travelling wave tube, to a supporting structure comprises placing the entire helix 11 in co-operative relationship with the structure 13, inserting a master mandrel 28, having a helical groove of the desired final configuration, to receive the convolutions of the helix within the helical groove and to position the helix in accordance with the groove, and, finally, moving the helix radially against the supporting structure so as to be firmly engaged and retained by the supporting structure. The mandrel preferably contains longitudinal slots to enable a probe to be moved therein, the probe being such as to exert a radial force upon the helix so as to accurately position the helix on the supporting structure, the helix being retained thereon by frictional forces. To position the helix even more accurately, a second mandrel, also having a helical groove, may be inserted after positioning the helix with the master mandrel. The helix may be supported externally or internally, the mandrel having a helical groove on its external or its internal surface.
Patent GB-948509-A (GB)
Title: Improvements in change-speed gear mechanisms
IPC: F16H63/34
Filed: 1961-06-14
Abstract: 948,509. Controlling change-speed gearing. HUMBER Ltd., A. W. WEST, and J. LEWIS. June, 13 1962 [June 14, 1961], No. 21560/61. Heading F2D. In a change speed gear control comprising two or more axially slidable selector rods 11, 14, 17 each having a socket 23, aligned transversely when the rods are in a neutral position, engageable by a gear selector arm 22 on a rotatable and slidable selector shaft 21 parallel to the rods 11, 14, 17, a further set of sockets 34, similarly transversely aligned, is engaged by a locking member 30 having an edge generally arcuate about the shaft 21 with which the member 30 is rotatable, such that each rod other than that selected by the arm 22 is held against sliding movement. The member 30 is slotted at 31 to engage flats 32 on the selector shaft and is positioned radially by a ball 42 to facilitate assembly, the arcuate edge of the member being recessed at 36 to clear the socket of the selected rod and being provided with limit stops 37, 38 which contact the rods or stops 17, 40. The synchro-mesh dog clutches of a four speed gear-box are engaged by selector forks 10 and the reverse gear by a pivoted lever 16, a spring detent preventing unwanted engagement of reverse gear.
Patent GB-462646-A (GB)
Title: Improvements in and relating to refrigerator cabinets
IPC: H04Q5/02
Filed: 1936-08-05
Abstract: 462,646. Refrigerators. BRITISH THOMSON-HOUSTON CO., Ltd. Aug. 5, 1936, No. 21579. Convention date, Aug. 6, 1935. [Class 29] The inner and outer metal walls of a cabinet are spaced apart by cup-shaped members of relatively low heat conductivity, e.g. stainless steel. Thus, the flanges 32 at the mouths of the spacers 31 are welded to the outer wall of the cabinet, while the inner wall is secured to the opposite ends of the spacers by screws and nuts. A gasket 37 is arranged between the edges of the walls around the door opening. The door is formed of metal sheets, the edges of which are separated by a gasket 23, and which are spaced apart by members 18.