baber/WOPTO huggingface dataset:
Patent GB-153573-A (GB)
Title: Improvements relating to interrupting devices for electric circuits
IPC: H02H3/08
Filed: 1920-10-20
Abstract: 153,573. Metropolitan-Vickers Electrical Co., (Assignees of Hester, E. A.). Nov. 6, 1919, [Convention date]. Cut-out arrangements; protective arrangements.-Relates to devices for interrupting electric circuits comprising a circuit-breaker, the trip coil of which is connected in series with an electric vacuum valve, such as a hot cathode valve, so that current will flow through the trip coil only when sufficient potential is applied to the valve to break down its resistance. In the arrangement shown in Fig. 1, the cathode 5 of the vacuum valve 4 is supplied by the secondary winding 14 of the transformer 6, the primary winding 17 being supplied from the line through the series transformer 7. The transformer 6 has a highly saturated core to prevent overheating of the cathode. A series transformer 8 supplies current to a resistance 9, the ends 12 and 11 of which are also connected between the anode 10 and the cathode 5 respectively of the valve 4, the trip coil 3 of the circuit breaker 2 being included in the latter connexion. The resistance 9 may be of any desired value, depending upon the value of current in circuit 1 at which it is desired that the circuit-breaker may become operative. Normally no current traverses the trip coil 3, but when the potential across the resistance 9 is sufficient to break down the resistance of the valve, current traverses the trip coil 3, causing the circuitbreaker 2 to interrupt the circuit 1. The connexions may be modified to dispense with the second series transformer 8, the trip coil being placed across the valve 4 in series with a portion of the secondary winding of the series transformer 7; or, alternatively, a separate control circuit may be provided, supplied from either a direct or alternating current source.
Patent GB-638142-A (GB)
Title: Pressure breathing regulator
IPC: A61M16/00
Filed: 1946-10-04
Abstract: 638,142. Respiratory apparatus. BENDIX AVIATION CORPORATION. Oct. 4, 1946, No. 29671. Convention date, Nov. 8, 1945. [Class 81(ii)] [Also in Group XXIX] A breathing regulator for use at high altitudes comprises a casing 11, 13, 14 fitted with an inlet port 60, an outlet port 17 and a valve 45 controlled through a toggle linkage by a diaphragm 28 influenced by springs 81, 82 and an aneroid 76 located in a casing 18 apertured at 19, so as to urge the valve 45 towards the open position as the ambient pressure falls. A bracket 21 within the casing 11, 13, 14 supports bars 26, 27 which locate an I-shaped block 36 apertured at 37 to hold the interlocking ends 40, 42 of bars 38, 39 of which the former forms the valve 45 and the latter is supported on the bracket 21. The block 36 is connected to the diaphragm 28 by a bar 34 and the diaphragm is given a small positive loading by the spring 81 which, on inspiration, depresses the block 36 slightly and opens the valve 45 partially. At greater altitudes the aneroid 76 expands, aided by an internal spring 83, and through the spring 82 forces the valve 45 wide open. As shown in Fig. 2, the valve-operating mechanism is normally locked in the closing position by the edges of a block 56 engaging under the block 36, the block 56 being carried on a rod 46 which may be moved in an emergency by a rip-cord 53 to bring the regulator into operation. A pressure gauge 61 is provided and also means for charging an oxygen flask.
Patent GB-465153-A (GB)
Title: Improvements in method of treating lecithin and product
IPC: C07F9/10
Filed: 1935-10-28
Abstract: A hydrate of vegetable lecithin is produced in a fluid form by interacting the lecithin of a commercial lecithin-oil mixture with water in the presence of an alcohol preferably ethyl alcohol at a pH between 4,0 and 6,0, and preferably between 4,5 and 5,5.  The preferred method of carrying out the invention is to homogenize a mixture of water, an alcohol, and a commercial lecithin-oil mixture at a temperature in the neighbourhood of 160 DEG  F., allow the product to stand and then separate the lower layer of lecithin hydrate.  The adjustment of the pH may be carried out either before or after the homogenizing operation, and is effected by the addition of an acid such as phosphoric acid, or a salt such as sodium acetate or sodium lactate according to the effect desired.  Instead of a commercial lecithin-oil mixture, crude materials containing lecithin such as soya bean residues may be used.  In such cases however it is necessary to destroy the cellular structure by working at a sufficiently high temperature, e.g. 160 DEG  F.  A sugar may be added to act as a preservative.  The lecithin hydrate may be used without purification or it may be freed by evaporation from alcohol and unbound water.  Lecithin hydrate produced by the process of this invention may be used as an emulsifier, wettingout agent, or penetrant.
Patent GB-193106-A (GB)
Title: Improvements in and connected with gates in the moulding of baths and all kinds of hollow castings
IPC: B22C9/08
Filed: 1921-11-08
Abstract: 193,106. Fleming, D. Nov. 8, 1921. Moulds; moulding processes.-In casting baths and other hollowware the metal enters the mould through conical gates A tapering from 1 in. to “ in. diameter. Reference has been directed by the Comptroller to Specification 3427/10.
Patent GB-1343874-A (GB)
Title: Wastewater purification process
IPC: B01D15/00
Filed: 1972-06-26
Abstract: 1343874 Waste water purification ICI AMERICA Inc 25 June 1972 [22 Sept 1971] 29764/72 Heading C1C A process for purifying waste water comprises locating the waste water with spent granular activated carbon, which has been ground to a powder, separating the partially treated waste water from the resulting carbon-sludge, passing the partially treated waste water through a bed of granular activated carbon, and grinding the granular activated carbon which has become spent due to contact with the partially treated waste water in the bed, for contacting with further waste water. The granular activated carbon may be prepared from lignite, peat or medium-volatile bituminous coal. The process may be carried out in the apparatus shown in the accompanying diagram wherein screened raw sewage 10 is fed to primary settling tank 11. Primary effluent 12 is withdrawn from tank 11 and passes to aeration tank 13. Spent granular activated carbon is withdrawn from columns 21 and fed as a slurry to grinder 23, and thence to the aeration tank 13. After a suitable dwell time, activated sludge 16 is fed to a secondary settling tank 17. A secondary effluent 18 is removed from tank 17 and fed to column 21. Fresh granular activated carbon 27 is fed to this column and final effluent 26 exits the column. Activated sludge 20 may be recirculated in the aeration tank, and then digested or mixed with sludge 14 from primary settling tank 11.
Patent GB-688158-A (GB)
Title: An improved electric contact device for current collection
Inventor: DAVIES RICHARD LAURENS
IPC: H01H1/60
Filed: 1950-12-05
Abstract: 688,158. Current collectors. BRITISH INSULATED CALLENDER'S CABLES, Ltd. Dec. 4, 1951. [Dec. 5, 1950] No. 29778/50. Class 104 (iii). [Also in Group XXXV] An electric current collector for use with overhead tramways, trolley buses, travelling cranes or railway systems consists of a metal of good electrical conductivity impregnated with polytetrafluorethylene.
Patent GB-1399619-A (GB)
Title: Moulding compositions
IPC: H01B3/42
Filed: 1972-06-26
Abstract: 1399619 Coated products HOECHST AG 26 June 1972 [26 June 1971 22 July 1971] 29872172 Heading B2E '[Also in Division C3] Test rods and plates made by moulding and curing a thermosetting moulding composition comprising (A) an unsaturated polyester derived from a carboxylic acid component comprising terephthalic and/or isophthalic acid and fumaric acid and a dehydric alcohol, (B) a copolymerisable monomer, (C) a peroxide catalyst, and (D) an inorganic filler component which consists of or includes finely divided red phosphorous and finely divided talc, are coated with lacquers based on an acrylate resin with a hydroxy number of 80, composed of styrene, acrylic acid and glycidyl ester of a long chained fatty acid. The lacquers may optionally contain a titanium dioxide pigment and the coatings may 'be air dried or stoved.
Patent GB-901617-A (GB)
Title: Oral compositions for promoting skin-pigmentation
IPC: A61K8/49
Filed: 1960-08-30
Abstract: Orally administrable compositions in unit dosage form, e.g. a tablet or pill, for promoting skin-pigmentation comprise a non-toxic adjuvant and/or carrier and up to 21 mg. per unit dose of "ammoidin" (8-methoxypsoralen) and/or "ammidine" [8-(31-methyl-21-butenyloxy)-psoralen].  Optionally there may also be present Vitamins (A, B2, D2 and E specified) and copper sulphate.
Patent GB-185676-A (GB)
Title: Improvements relating to cases or containers for tobacco cartridges
IPC: A24F23/04
Filed: 1921-11-10
Abstract: 185,676. Bull, G. F. Nov. 10, 1921. Tobacco-pipe-filling apparatus.- A container 'for tobacco cartridges fitted with a plunger for filling a pipe is provided with a hinged lid which is fastened by means of the plunger and is released when 'the plunger is raised. The plunger e<1> works in a guide e and ejects a cartridge from a cylinder a<1> formed partly in the box a and partly in the lid b. A necked stud h<2> on the lid enters a hole h<1> in the guide e and a keyhole slot h in the plunger, so that when the plunger is. depressed the narrow part of the slot h engages the neck of the stud and fastens the lid. Rotation of the plunger is prevented by lugs i.
Patent GB-780025-A (GB)
Title: Anti-skid control device for fluid pressure brakes
IPC: B64C25/46
Filed: 1955-10-20
Abstract: 780,025. Anti-skid brake control units. BENDIX AVIATION CORPORATION. Oct. 20, 1955 [Nov. 17, 1954], No. 30031/55. Class 103 (1). An anti-skid control device for fluid pressure brakes, particularly for aircraft wheels, includes valve elements in the fluid lines which have the effect of preventing the fall off of wheel r.p.m. during a skid recovery phase due to the braking pressure being reduced more than is necessary to correct an incipient skid. As shown in Figs. 1 and 3, the anti-skid control device comprises an inertia mass consisting of a rim member 62 clutched to a flywheel 60 rotatable with the wheel 16 by a spring-urged band element 68, the effect of which is to allow overrunning of the wheel 60 by the rim 62 but not vice-versa. Rotation of wheel 60 in advance of or behind its shaft 26 results in channel 53 therein and in the bushing 48, moving into or out of register so that chamber 42 having a pressure therein equivalent to the brake pressure may be put into communication with chamber 56 connected to an hydraulic reservoir by a passage 59 and opening 61. A valve &c. shown more clearly in Fig. 10 controls flow of fluid through into the space 42 in a manner such as to give the control characteristics described above. The valve includes a resilient member 74 having a plurality of apertures 76 such that engagement of the central portion with head 86 of the stem 84 reduces the available area for fluid flow. A similar valve 14, but having only a central aperture in the resilient member 74, is located so as to directly connect the pipes leading to the inlet port 30 and the line 20 to the brake cylinder. Fig. 8 shows wheel speed and brake pressure variations with time, the object of the invention being to bring the wheel speed recovery points " a " and minimum brake pressure point " b " into substantial simultaneity so that braking may take place to the maximum possible degree during the recovery period.
Patent GB-207968-A (GB)
Title: A finger guard for scissors
IPC: B26B13/20
Filed: 1922-11-03
Abstract: 207,968. Hogan, M. H. Nov. 3, 1922. Scissors.-A finger guard for scissors consists of a moulded ring or link-shaped piece of rubber, A., Fig. 1, deeply grooved on its outer periphery B and inserted in each of the bows as shown in Fig. 4. Specification 20501/11 is referred to.
Patent GB-154570-A (GB)
Title: Improvements in or relating to the impregnation of materials
Filed: 1920-10-23
Abstract: 154,570. Norsk Hydro - Elektrisk Kvaelstofaktieselskab. Nov. 24, 1919, [Convention date]. Paints.-A mixture of sulphuretted fatty oil and sulphuretted tar or tar constituents is used as an impregnating-composition for fabrics &c.
Patent GB-1491435-A (GB)
Title: Negative resistance diode
IPC: H01L29/864
Filed: 1976-07-20
Abstract: 1491435 Avalanche transit time diodes RAYTHEON CO 20 July 1976 [13 Aug 1975] 30130/76 Heading H1K An avalanche transit time diode comprises four successive regions i.e. 116; 118; 120; and a region comprising layers 122, 124, 126, of a semiconductive material of varying doping concentrations of the configuration NN<SP>+</SP>NN<SP>++</SP> or PP<SP>+</SP>PP<SP>++</SP>, and a junction-forming material 114, the distance X p , Fig. 2 from the junction to the centre of the second N<SP>+</SP> region 118 being less than 15% of the total distance X p +W x  between the said junction and an interface between the third and fourth regions 120, 122 respectively. As shown, Fig. 1, the junctionforming material, typically of gold or chromium forms a Schottky barrier contact with the avalanche layer 116, but a semi-conductor region of a conductivity type different from that of the four regions may alternatively be used. The peak doping concentration in the second region 118 is in the range of 2 x 10<SP>17</SP> to 5 Î 10<SP>17</SP> atoms / cm<SP>3</SP>, and is less than 500 Š thick. The doping concentration in the drift region is between 3 x 10<SP>15</SP> and 3 x 10<SP>16</SP> atoms/cm<SP>3</SP> so that the uniformly decreasing electric field within the region reduces to zero before reaching the interface between the drift region and the first buffer layer. In a method of manufacturing the diode, a highly doped wafer of GaAs is maintained at a temperature of 744‹ C. in a multiple temperature zone furnace tube (446), Fig. 4 (not shown), and vapours of AsCl 3  are carried by dry hydrogen through a dope/etch line (436) and a growth line 434 so as to clean the wafer by etching and simultaneously form GaAs on metallic gallium. During epitaxial deposition of GaAs to form buffer layers 124, 122 and for drift region 120, a mixture of hydrogen and a dopant gas, e.g. H 2 S is continuously introduced in the furnace tube at a rate to produce the preferred doping levels. The doping spike region (118) is shown by propelling quickly the entire contents of a constant volume reservoir (416) by using hydrogen carrier gas, through the dope/etch line, and at the same time continuing the deposition of GaAs.
Patent GB-1110447-A (GB)
Title: Circuit arrangement for limiting excessive voltages
IPC: H02M7/48
Filed: 1965-07-16
Abstract: 1,110,447. Protective arrangements. LICENTIA PATENT - VERWALTUNGS - G.m.b.H. 16 July, 1965 [20 July, 1964], No. 30376/65. Heading H2H. An arrangement for protecting semi-conductor elements in a load circuit such as 10, 11 from excess voltages comprises a rectifier bridge 7 connected in parallel with the load, the direct current terminals of the bridge being connected to a parallel circuit comprising a resistor 9 and a capacitor 8. The arrangement also includes an inductor 3 and a capacitor 4 in series with the load circuit and an inductor 5 and a capacitor 6 in parallel therewith across the A.C. supply terminals 1, 2; the elements 3 . . . 6 forming a filter circuit.
Patent GB-341024-A (GB)
Title: Process of making diphenyl
IPC: C07C2/76
Filed: 1929-10-07
Abstract: Diphenyl is obtained by contacting benzene vapour with a non-metallic liquid such as molten <PICT:0341024/IV/1> cryolite maintained at a temperature sufficient to decompose the benzene, for example, about 725 DEG  C., preferably after preheating the benzene vapour to a somewhat lower temperature, for example, 650 DEG  C.  Liquid benzene may be supplied to a coil 1 immersed in a bath 2 of molten non-metallic material heated to about 650 DEG  C. by means of a furnace 4.  The benzene vapours then pass through a pipe 6 into a closed chamber 7 heated by a furnace 8 and containing a bath 9 of molten non-metallic material at about 725 DEG  C. into which the benzene vapours are led by a pipe 10 jacketed with heat insulating material 11.  The products of the reaction pass by a pipe 12 to a condenser 13 which communicates through a trap 14 having an outlet 15 for the hydrogen formed in the reaction with a liquid receiver 16. The diphenyl contained in the condensate is separated from unaltered benzene, for example, by distillation.
Patent GB-829201-A (GB)
Title: Suspended furnace wall construction
Inventor: WEBER HERMAN W
IPC: F27D1/02
Filed: 1956-10-05
Abstract: 829,201. Furnace walls. LACLEDECHRISTY CO. Oct. 5, 1956, No. 30416/56. Class 51 (2). Refractory tiles 74 lining the chill wall of an open hearth furnace are supported on shelves 66 on horizontally spaced vertical runner bars 45 and held in vertical alignment by verticallyspaced pairs of hangers 55 engaging the runner bars on opposite sides, each hanger engaging two adjacent tiles so that they can pivot about a vertical axis. The runner bars 45 are supported by hook parts 47 engaging an upwardly directed flange on a horizontal beam 42 secured to the structure of the furnace and a lower beam 41 holds the runner bar in position. The shelves 66 are supported by brackets 69 with lugs 70 engaging the runner bars 45, Fig. 4, and are located by nibs entering holes in the runner bar. The top tiles of a stack carried by one shelf are spaced from the shelf above, and the gap between the top tile and the lowest tile of the stack, which projects beyond the shelf, is filled with a corrugated metal sheet 85. The space between the top tile and the shelf may be filled by a corrugated sheet of less thickness. Each tile 74 has a recess at one side leading to a blind hole which engages a lug 60 of a hanger 55. Similar runner bars and hangers support the tiles lining the nose of the furnace, and the tiles may have interlocking grooves and ridges extending part way across the tile faces perpendicular to the axis of the pivotal support, Fig. 19, not shown.
Patent GB-1097615-A (GB)
Title: An electrical energy storage device
Inventor: RIGHTMIRE ROBERT A
IPC: F24F3/16
Filed: 1965-07-16
Abstract: 1,097,615. Electrical storage device. STANDARD OIL CO. July 16, 1965, No. 30418/65. Heading HIM. In the device shown, at least one and preferably both of the electrodes 12 and 13 are of porous material, e.g. graphite or Raney nickel having a surface area above 100 M<SP>2</SP>/cc. The electrodes, with current collectors 15 and 16 and separated by porous asbestos spacer 14 are immersed in a medium 11 which on heat treatment will yield mobile ions, and the device depends on the charge separation occurring at the interface between the highly porous electrode and the ion-containing medium when a potential less than the decomposition potential of the medium is applied to the electrodes. The medium may be a crystalline salt which yields ions on becoming molten, and numerous salts, particularly alkali metal and alkaline earth metal halides are listed. Preferably eutectic mixtures having lower melting points are employed. When the device has been charged, the salt may be allowed to solidify, and remelted when the device is to be used. The casing 10 may incorporate heating means such as resistance wire. Multiple units, illustrated by Figs. 3 and 4 (not shown), may be constructed.
Patent GB-809918-A (GB)
Title: Improved manual gear shift mechanism
Inventor: HERRICK GORDON FOSTER
IPC: F16H63/20
Filed: 1956-10-05
Abstract: 809,918. Controlling change-speed gearing. VAUXHALL MOTORS Ltd. June 7, 1957 [Oct. 5, 1956], No. 30435/56. Class 80 (2). On a shift-rail type gear-box wherein a transverse gear-shift rod is reciprocably and rotatably mounted, a hand lever is universally mounted, intermediate the ends of the lever, above the shift rod and has a sliding ball and socket connection between the lever and the shift rod. The shift forks 18 of a conventional three-speed and reverse automobile changespeed gear are rigid with longitudinal shift rails 15, 17 selectively moved by cams 22, 23 on arms 24, 25 secured by set screws 27 to an axially slidable and rotatable shift rod 26. The shift rod moves in a direction transverse to the shift rails to engage cam 22 or 23 with a recess 20, 21 in the respective shift rail 15 or 17, and rotates to move the engaged shift rail and shift fork for engagement of the appropriate clutch. The shift rail not engaged by a cam is interlocked by the arm 24 or 25, engaging a rounded recess in the shift rail which is in the neutral position. Externally, of the gear casing 1, the shift rod 26 is rigid with a socket 31 having a cylindrical recess 32 engaged by a ball end 47 on a lever 42. The lever 42 is carried on a longitudinal pin 41 mounted in a clevis 40 pivoted transversely at 38 in a bracket 33 secured to the gear casing, thus providing a universal mounting for the lever 42. The joints of the lever 42 are protected by flexible covers 45 and 48, and the lever has an extension 44À projecting upwards through the floor of the vehicle. A stop-plate 48 is secured to the casing 1 to limit movement of the lever 42, the facing 34 to which both the stop-plate and the bracket 33 are secured being duplicated to allow mounting of the lever on either side of the gear casing.
Patent GB-216455-A (GB)
Title: Improvements in the manufacture of boots and shoes
IPC: A43B13/12
Filed: 1923-12-04
Abstract: 216,455. Steadman, J. B. Dec. 4, 1923. Drawings to Specification. Soles.-Relates to the type in which the outsole comprises a leather blank having its centre cut out and replaced by a solette of rubber or like material, and consists in a solette of crepe rubber or other material having plain square cut edges engaging similar edges of the cut out leather, the solette extending from near the toe to a distance under the front edge of the heel and being formed of two or more thicknesses or blanks which are cemented in position. The inner layer may be further secured by stitching.
Patent GB-483843-A (GB)
Title: Improved universal joint for the connection of shafts
IPC: F16D3/34
Filed: 1936-11-09
Abstract: 483,843. Universal joints. HANFT, H. Nov. 9, 1936, No. 30522. Convention date, Aug. 19. [Class 80 (ii)] Relates to a universal joint of the kind comprising a spherical head 21 and socket 40, coupled through an intermediate ring 81, by driving members such as keys 7<11>, 13<11>, or rows of balls, having sliding or rolling engagement in longitudinal grooves, such as 6, in insets 51, 9<1>, 11<1> and 121, rotatably carried in the head 21, socket 40 and intermediate ring 8<1>. To prevent a tendency to jamming, the movement of the intermediate ring 8<1> is positively controlled by a guide-lever 16<1>, the spherical ends of which have axial freedom in borings 19<1>, 211 in the shafts carrying the head 2<1> and socket 40, whilst a spherical enlargement 17<1> intermediate its ends has a non-slidable spherical bearing directly in the ring 81 or in a socket 31 carried thereby. The ring 8<1> and shaft-socket 40 may each be in one piece, but as shown, are split on a plane at right-angles to their axes, the sockethalves being held together by bolts 39, whilst, bolts 30 hold together the ring-halves and also secure the socket-carrying member 14'. The insets 5<1>, 91 &c. may be all cylindrical, or, as shown, the insets 5<1> are rhombic and have cylindricallateral bearing projections 27, and inwardly projecting pivot pins 25. The insets may be staggered, or, as shown, lie in the same radial planes, in which case relative rotation between the insets 9<1>, 11<1> of the intermediate member is prevented by balls 50, loosely engaging oppose openings in the insets. Rotation of the insets 121 in the shaft-socket 40 is limited by balls 49, carried in discs 42, which constitute closure members for the bearing-apertures receiving the insets. An outer band 43 holds these closure-members in place. A flexible boot 44 or spherical casing-members may be provided.