baber/WOPTO huggingface dataset:
Patent GB-1417291-A (GB)
Title: Method of making a photoconductive layer
IPC: H01L31/14
Filed: 1973-06-26
Abstract: 1417291 Depositing photo-conductors MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 26 June 1973 [26 June 1972] 30339/73 Heading H1K A photo-conductive layer is deposited on to a horizontally held substrate by sedimentation from a uniform suspension made by stirring photo-conductive particles into a solution of a binder. After removal of the supernatant liquid the layer is allowed partially to dry in an atmosphere nearly saturated with the solvent vapour, is further dried under reduced pressure, and is then baked. The term photo-conductive relates here to sensitivity to IR, visible light, UV, X-rays, γ-rays, and cathode rays. Suggested photo-conductors are cadmium sulphide and cadmium selenide and mixtures of these (they may be doped with copper and chlorine or with silver and chlorine), zinc oxide, stannic oxide, and oxide. The binder may be ethyl cellulose, cyanoethylcellulose or cyanoethylsucrose present at 0À5-5% of the solvent-binder solution. Suggested solvents are toluene, xylene, n-butyl acetate, ethanol, isoamyl alcohol, and isopropyl alcohol. In an imageconverter example a glass or ceramic substrate is covered with a chemically deposited tin oxide electrode, an electroluminescent cellulose-bound layer of activated zinc sulphide applied, a reflective layer of urea resin bound barium titanite is laid down and is covered with an opaque carbon in epoxy resin layer, an X-ray sensitive layer of CdSe (Cu, Ce) bound with ethyl cellulose is applied by the sedimentation method, an aluminium electrode is vapour deposited, and a final moisture proof silicone layer applied.
Patent GB-816328-A (GB)
Title: Improvements in and relating to electronic devices
IPC: H01J7/18
Filed: 1955-10-24
Abstract: 816,328. Thermionic valves. GENERAL ELECTRIC CO. Oct. 24, 1955 [Oct. 26, 1954], No. 30365/55. Class 39(1). An electronic tube comprises a mica disc 4 upporting one end of each of a plurality of electrodes 6, 7 and 8, a metal spacing member 15 supporting a mica disc 14, tabs 17 and 19 extending from the spacing member 15 through triangular holes in the discs, ends to the tabs 19 which are bent over to secure the members 15 to the disc 4 rigidly, and a U-shaped wire getter support 13 welded to the tab 17 whcih extends through the disc 14 shielding the electrodes from the getter 12. The spacing member 15 comprises a stamped U-shaped sheet metal blank, Fig. 5. In a modification one of the arms 18 of the member 15 is omitted. A second spacing member 15 is provided in which the upper tab 17 is bent down over the disc 14. More than two spacing members 15 can be provided.
Patent GB-353333-A (GB)
Title: Improvements in and connected with fasteners for the attachment of muffs to the radiators of motor vehicles
IPC: F01P7/10
Filed: 1930-10-11
Abstract: 353,333. Hook fastenings. RENN, F. W., 541, Kingston Road, West Wimbledon, London. Oct. 11, 1930, No. 30439. [Class 44.] A fastening for securing muffs &c. to motor-car radiators comprises a spring 1, preferably of flattened form, provided with an offset loop 4 at one end and with a hook 2 of metal strip or wire at the other end. The spring is mounted in a leather &c. pocket, comprising lower and upper members 5, 6 secured by stitches 7 which pass through loop 4 to secure the spring in place. The pocket may be secured to the muff by stitches, staples, rivets, or other means. When rivets are used, they are passed through member 5 only, so that their heads are covered by member 6. The hook member may be supplied in flat form to be bent into the required hook form when the muff is in place and the springs under tension. The hooks engage the rear flange of the radiator.
Patent GB-604423-A (GB)
Title: Improvements in press guards
IPC: F16P3/04
Filed: 1945-07-21
Abstract: 604,423. Machinery guards. WILKINS & MITCHELL, Ltd., and WILKINS, E. W., WILKINS, J. C., BROWN, E. E., and RICHARDSON, A. (Representatives of WILKINS, W. S.). July 21, 1945, No. 30501/47. Divided out of 604,374. Drawings to Specification. [Class 80 (iv)] The subject-matter is the same as in Specification 604,374 but the claims are directed towards the inter-connection of the front and rear guards.
Patent GB-839306-A (GB)
Title: Improvements relating to ventilating means in motor vehicles
IPC: B60H1/24
Filed: 1958-09-24
Abstract: 839,306. Ventilating vehicles. DAIMLERBENZ A.G. Sept. 24, 1958 [Oct. 12, 1957], No. 30578/58. Class 137 A motor vehicle is ventilated by supplying or withdrawing air through a pervious roof lining and ducts connected to the space between the roof and pervious lining and disposed behind the rear edges and preferably in the posts of the doors. As shown, the duct 3, which is disposed between the rear door and the rear window, has a recess 4 in the form of an upwardly extending elongated pocket of angular cross-section having a triangular base. Slots 6 in the forward wall 5 of the pocket link the duct 3 with the outside air and the upper end of the duct communicates with a longitudinal roof bearer 8 by holes 9. The roof bearer 8 has apertures 11, 12 and 13 disposed along its length through which air may be supplied or extracted from the interior of the vehicle via the pervious roof lining 10. Air may be caused to flow through the interior of the vehicle from the inlet 18 in the bonnet and out of the slots 6, from the slots 6 and out of the extractor vane 19 or air may be partially or wholly recirculated by a fan connected to an inlet 17 in the duct 3. In the latter case, flap valves covering the slots 6 are adjusted to provide the required mixture of fresh and recirculated air.
Patent GB-496326-A (GB)
Title: Improvements in light obscuring devices for electric lamps
IPC: F21V9/00
Filed: 1937-11-08
Abstract: 496,326. Lamp-shades. SCHONBERNER, P. F. Nov. 8, 1937, No. 30599. Convention date, Nov. 7, 1936. [Class 75 (ii)] A light obscuring device for an electric lamp comprises a foldable or extensible lantern of paper or the like having an opening through which the holder and leads for the bulb pass in a light tight manner and an aperture or transparent part which is closable or adjustable and through which a controlled amount of light may pass, the body of the device being otherwise opaque. In one form, Fig. 1, the lantern comprises stiff top and bottom members 1 and 6 connected by a paper or like bellows 5, the bottom member having an aperture 6b adapted to be covered by a shutter or filter in the form of a disc 27. In modified forms, the shutter or filter comprises a fan-like member which may be opened or closed or a semispherical bellows 41 which may be closed over the opening. In another form, Fig. 10, the bellows 5 is in sections, one of which may be transparent and any of which may be retained in folded position by hooks 10 and 11. As shown in Fig. 11, a spherical foldable lantern is divided by semicircular frames 12-15 into three sections, one section 40 of which is translucent and may be retained in closed or folded position by a hook 16 and eye 17.
Patent GB-413921-A (GB)
Title: Improvements relating to the operation of vapour or gas filled electrical discharge devices
IPC: A61N5/06
Filed: 1933-11-04
Abstract: 413,921. Discharge lamps. BRITISH HANOVIA QUARTZ LAMP CO., Ltd., and KOLBERT, J. W., Trading Estate, Slough, Buckinghamshire. Nov. 4, 1933, No. 30709. [Class 39 (i).] Vapour or gasfilled electric discharge devices, such as mercury vapour quartz burners, are supplied through a resistance or transformer provided with a plurality of tappings, the step values of which are calculated so as to enable increasing voltages to be applied to the device after pre-determined numbers of burning hours, which voltages compensate for the decline in intensity of the light radiated which would otherwise occur. As shown in Fig. 2, a resistance 3 has a number of tappings connected to the contacts 5-5<e> of a control switch, each contact being marked with the number of hours after which the arm 6 must be moved to the next contact. The resistance 6 is in series with the lamp for continuous-current, or with the transformer primary if alternating-current is used. In the latter case, the resistance may be dispensed with, and the transformer secondary provided with tappings connected to the contacts 5-5<e>.
Patent GB-903722-A (GB)
Title: Electro-magnetically controlled visual indicators
Inventor: LEWIS HARRY STANLEY
IPC: G08B5/28
Filed: 1958-09-26
Abstract: 903,722. Visible signalling-apparatus. CHAMBERLAIN & HOOKHAM Ltd. Sept. 21, 1959 [Sept. 26, 1958], No. 30777/58. Drawings to Specification. Class 118. The description is the same as that disclosed in Specification 903,723, but the claims relate to a semaphore indicator for indicating the position of a remotely disposed switch, comprising a disc, angularly movable between a pair of alternative positions by electromagnetic means, the latter operating a ratchet mechanism to effect the setting of means for resiliently urging the disc to one or other of its alternative positions.
Patent GB-813386-A (GB)
Title: Improvements relating to fastening means
Inventor: FERNBERG ERIC BIRGER
IPC: F16B5/06
Filed: 1955-10-27
Abstract: 813,386. Locking bolt-like-pins; stud- and-socket fasteners; clips. F. T. PRODUCTS Ltd. Oct. 22, 1956 [Oct. 27, 1955], No. 30801/55. Classes 44 and 89(1) A U-shaped-clip comprises a web 11, Figs. 1, 2, and resilient-limbs 12, 13, each having a prong 20A, 21A, directed inwardly and towards the web, and terminating in splayed-portions 14A, 15A with feet 16A, 17A. The clip receives a stud 30, Fig. 3, between its limbs, and grips it with the prongs. As shown, a box 22 has a flange 24 formed with several studs, and is secured to a panel 31, e.g., a door-panel of a refrigerator, by pressing the studs through slots in the panel and engaging them with the clips. The box may have a door hinged to flange 24.
Patent GB-1466552-A (GB)
Title: Stabilised acrylic acid esters of polyhydric alcohols and a process for their preparation
IPC: C07C69/54
Filed: 1975-07-23
Abstract: 1466552 Stabilized acrylic acid esters BAYER AG 23 July 1975 [24 July 1974] 30804/75 Heading C2C Acrylic acid esters of polyhydric alcohols are stabilized by the presence of 0À001-5% allyl compounds. Compounds of formula wherein R 1 -R 4  denote H or alkyl (1-4C) and X denotes Cl, Br, -OH, -O- or a radical R 5 -(O) n - or wherein R 5  denotes an n-valent, optionally free hydroxyl or ether containing aliphatic, araliphatic, cycloaliphatic or aromatic radical preferably #12C and R 6  denotes an n-valent, optionally olefinically unsaturated aliphatic radical or a n-valent cycloaliphatic, araliphatic or aromatic radical and n denotes 1 when X is Cl, Br or -OH and an integer 1-4, preferably 1-3 in other cases and the MW is between 58 and 600. Examples describe the preparation of stabilized 1,4-butanediol bisacrylate, trimethylolpropane triacrylate, butanediol / trimethylolpropane mixed acrylate, trimethylolpropane/1,3-propanediol acrylate, neopentyl glycol diacrylate, and pentaerythritol diacrylate and tetraacrylate using allyl alcohol, allyl chloride, trimethylolpropane diallyl ether, crotyl alcohol, allyl acetate, diallyl phthalate, phenyl allyl ether and diallyl ether as stabilizers. Known polymerization inhibitors may also be present and a list of allyl compounds is given. The allyl compounds may be introduced continuously during the esterification which may be with conventional catalysts, and the products may be used in moulding compositions or as lacquer raw material.
Patent GB-1015511-A (GB)
Title: Improvements in or relating to electrical components for mounting on a printed-wiring board
IPC: H01G2/06
Filed: 1962-08-13
Abstract: 1,015,511. Direct connections between conductors. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. Aug. 13, 1962 [Aug. 16, 1961], No. 30956/62. Heading H2E. [Also in Division H1] The connecting wires of an electric component, e.g. a capacitor, are locally deformed so that they fit tightly in apertures in a printed circuit board. As shown, Fig. 3, the wires of a capacitor are locally deformed to the starshaped cross-section shown in Fig. 2. The wires are inserted in apertures 15 in a printed circuit board 14, and the deformations are prevented from passing right through the apertures by the engagement of the body of the capacitor with board 14. The wires may be dip soldered to the printed wiring 16 or may have extending wires to connect to other components, Fig. 4 (not shown). A component, which may also be a resistor or a diode, may be placed horizontally and have longitudinal end wires which are bent radially to engage the printed circuit board, Fig. 5 (not shown). The deformations may consist of three, five or seven uniformly spaced projections.
Patent GB-1178170-A (GB)
Title: Polymers of Tetrafluoroethylene
Inventor: DOWNER JOHN MICHAEL
IPC: C08F14/26
Filed: 1967-07-05
Abstract: 1,178,170. Tetrafluoroethylene polymers. IMPERIAL CHEMICAL INDUSTRIES Ltd. 1 July, 1968 [5 July, 1967], No. 30990/67. Heading C3P. A polymer of tetrafluoroethylene is prepared by polymerizing tetrafluoroethylene in an aqueous medium in the presence of a watersoluble organic peroxide as initiator and a perfluorinated aliphatic carboxylic or sulphonic acid salt (containing 6-12 carbon atoms) as emulsifier, an internally unsaturated perfluoroalkene being included as a modifier in the polymerization mixture. The term " internally unsaturated perfluoroalkene " means a compound of the formula R<SP>1</SP>R<SP>2</SP>C = CR<SP>3</SP>R<SP>4</SP> in which R<SP>1</SP> and R<SP>3</SP> are perfluoroalkyl and R<SP>2</SP> and R<SP>4</SP> are fluorine or perfluoroalkyl. In the examples, tetrafluoroethylene is polymerized in the presence of disuccinic acid peroxide, water, tetrafluoroethylene tetramer, eicosane, ammonium perfluoro-octanoate, tetrafluoroethylene pentamer and hexafluoropropene.
Patent GB-161911-A (GB)
Title: Improvements relating to ball bearings
IPC: F16C27/04
Filed: 1920-11-03
Abstract: 161,911. Tolkien, F. N., and Wells, T. R. Nov. 3,1920. Spring and other yielding supports.-The outer race-ring f of a. ball bearing is enclosed in a ring a carrying a number of equally-spaced adjustable spring - pressed plungers c which bear on the race ring and slide in bushes b screwed into the ring a by a key fitting in square holes e. Plates g are screwed to the ring and the whole is inserted in the bearing housing. The spring d may be replaced by rubber or other resilient means.
Patent GB-1390437-A (GB)
Title: Fastening of a printing plate on a cylinder in a printing press
IPC: B41F27/12
Filed: 1972-07-03
Abstract: 1390437 Printing surfaces AB PRINTING EQUIPMENT 3 July 1972 [12 July 1971] 31113/72 Heading B6C A printing plate 1 is attached to a printing cylinder 5 at three points, two on the leading edge (8, 9, Fig. 1, not shown) and one on the trailing edge having tensioning means. The plate 1 is fixed to rulers 3, the trailing edge ruler having pivoted thereto a lever 15 which engages an edge 18 of the cylinder channel 6 through a rotatable needle bearing 17. A tensioning screw 11 acts on a wedge shaped nut 12 which slides on a wedge surface 13 of the lever 15, urging the lever against the edge 18 of the channel 6 as the screw is tightened. While the plate is tensioned, the bearing 17 permits relative movement axially of the cylinder between the lever and the channel.
Patent GB-813589-A (GB)
Title: Heat exchange device
Inventor: PORCHER FREDERICK JAMES
IPC: F28F3/14
Filed: 1956-10-12
Abstract: 813,589. Making heat exchangers; brazing. IMPERIAL CHEMICAL INDUSTRIES Ltd. Oct. 9, 1957 [Oct. 12, 1956], No. 31144/56. Classes 83 (2) and 83 (4). A method of making a heat-exchange device comprises bending to a substantially sinuous form a strip of metal, said strip incorporating a longitudinal laminated zone formed by an insert of weld-preventing material extending from end to end of the strip, placing tubular spacer members between adjacent sides of the strip in communication with holes formed in the laminated zone thereof, heating the assembly to effect brazing of the spacer members to the strip, and inflating the laminated zone in the strip material to form a passage extending from end to end of the strip, and communicating with the tubular spacer members. A rolled strip 1 of aluminium alloy, coated on both sides with a brazing alloy comprising aluminium with about 2 to 12 per cent silicon and with an insert of weld-preventing powder extending from end to end, is bent to sinuous form. Holes 5 are formed in each straight section of the bent strip and flanged tubular spacer members 7 and corrugated members 9 are then fitted between the said sections. The assembly is then brazed in a heated flux bath. The ends of the strips in the region of the stopweld are sealed and the strip is inflated so as to provide a passage extending from one end of the strip to the other and communicating with the spacer members 7. The strip 1 may be formed by rolling together two strips with stop-weld between them or by rolling a casting with an elongated member of stop-weld which is crushed to a powder during rolling. The holes 5 may be pre-formed prior to bending or may be punched through the bent strip in one operation. The tubular spacer members may be coated with brazing material. The tubular spacer members may be short, in the form of washers formed from a strip pre-coated on both sides with brazing material, or the washers may consist entirely of brazing material.
Patent GB-663191-A (GB)
Title: Improvements in or relating to a measuring apparatus
IPC: G05B1/02
Filed: 1948-12-02
Abstract: 663,191. Electric indicating systems. WHEELCO INSTRUMENTS CO. Dec. 2, 1948. [June 1, 1948] No. 31231/48. Class 40 (i). In a bridge for measuring a variable e.g. temperature or pressure, wherein the bridge is automatically balanced by a reversible electric motor, hunting is prevented by deriving from the control circuits which determine the direction of motor rotation a voltage directly proportional to the current flow in the control circuit and applying this voltage in series with the bridge unbalance voltage and in opposition thereto. As shown, a thermocouple 10 responsive to a temperature to be measured is connected in series with a galvanometer 11 and resistors 18, 19 across the output diagonal of an automatically balanced bridge 12-17. Any change of temperature causes a metal screen 28 carried by the galvanometer pointer to move relative to coils 29, 30 and vary the tuning of an oscillator 31 normally tuned to "partialresonance". The voltage across the oscillator load resistor 35 is accordingly increased or decreased depending on the direction of movement of the pointer and correspondingly varies the bias of an A.C. anode fed amplifier 42. The bias on power tubes 49, 51 which normally conduct equally, is varied differentially by the change in conduction of the amplifier 42, the consequential differential change in the anode current of the power tubes energising the control winding 27 of a two phase motor 24 whereby the motor is driven in the corrective sense to rebalance the bridge by adjusting the arm 17, the position of which indicates the temperature. To prevent hunting of the motor, the anodes of the power tubes 49, 51, which are fed in like phase from an A.C. supply 54, are connected through rectifiers 61, 62 respectively, to the outer ends of the resistors 18, 19. Normally, when the bridge is balanced, the tubes 49, 51 conduct' equally to produce opposed, balanced, voltages across the combination resistor 18, 19, but when the bridge is unbalanced the differential variation in the conduction of the output tubes produces a resultant voltage across the resistors 18, 19 which opposes the bridge unbalance voltage and is so adjusted in value by a variable resistor 63 as to prevent hunting of the motor. A modification, Fig. 2 (not shown), is described in which a shaded pole motor is used. The anti-hunting negative feed back arrangement is however substantially identical.
Patent GB-1185359-A (GB)
Title: A Connection for Pipes.
IPC: F16L41/08
Filed: 1967-07-07
Abstract: 1,185,359. Pipe connections. BOLKOW G.m.b.H. 7 July, 1967 [9 July, 1966], No. 31348/67. Heading F2G. [Also in Division F4] A pipe connection, particularly for securing inlet and outlet channels 11, 12 to a number of radiator sections each of which consists of a flow pipe 3 equipped with cooling webs or plates 1, 2, 4, 5, 28, comprises a packing sleeve 13, which is fitted into the end of the flow pipe and engages in a corresponding aperture in an adjacent wall of the channel, and either a clamp band 15 or a clip 22 which embraces the channel and is caused to exert a clamping force on the channel by a pair of tension screws 18 or 23 which threadedly engage nuts 20 or 24 disposed in cut-outs 19 in the webs 2, the clamp band or clip being of material having a high coefficient of thermal expansion, whilst the screws are of material having a relatively low coefficient of thermal expansion. Preferably, the channel, the clamp band or clip, and the radiator sections are all of aluminium, while the screws are of heat-treated steel. The sleeve may be a plastic double-tapered sleeve 13a having a collar 29, or a metal sleeve 13b having a collar 30 and asbestos rings 31, 32, or a metal sleeve 13c having a deformable plastic ring 34 located in a groove and contained by an outer metal ring 35. Each radiator section is built up by securing separate plates 4, 5 by means of grooved webs 6, 8 to webs 2 which are integral with the flow pipe, tongues on the webs 2 entering the grooves in the webs 6, 8. Webs 1 and 28 are integral with one another and with the flow pipe. Air enters past the streamlined inlet channel 11 and is guided by the webs 28 and by ribs 7, 26 provided on the webs 28 and plates 4, 5 respectively. Additional ribs 25 are provided on the plate 4 which is on an exposed side of the radiator. Any number of radiator sections may be juxtaposed end to end (Fig. 2, not shown).
Patent GB-1219867-A (GB)
Title: A lathe
IPC: B23Q7/05
Filed: 1969-06-20
Abstract: 1,219,867. Bar-stock feeding. CRI-DAN. 20 June, 1969 [1 Aug., 1968], No. 31358/69. Heading B3B. A lathe 1 has a workpiece 3 support and feed channel 2 comprising stands 5, 6, 7, 8 and 9, each having a yoke for mounting a pair of rollers 10, the yoke being rotatable through 90 degrees to position the rollers 10, (a) for longitudinal movement of the workpiece 3, (b) for rotational movement of the workpiece 3, or (c) to position the rollers 10 at an intermediate position to move a workpiece longitudinally as it rotates. The yokes are rotated simultaneously by a jack 19 operated link-rod system 18 incorporating articulated joints 26. The setting of the yokes to individual workpieces is achieved by screw mechanisms actuated simultaneously by a hand wheel 24, or an electric motor, and articulated link-rods 23. Individual stands can be lowered by jacks to remove them from contact with the workpiece. A lathe may be provided with a feed channel at its front and rear to feed or remove the workpiece and to support and remove a parted-off workpiece.
Patent GB-982303-A (GB)
Title: Improvements in electrical oscillatory circuits
IPC: H03D11/02
Filed: 1961-08-31
Abstract: 982,303. Producing electric oscillations; super - regenerative receivers. INTERNATIONAL BUSINESS MACHINES CORPORATION. Aug. 31, 1961 [Sept. 7, 1960], No. 31379/61. Addition to 961,550. Headings H3B and H3Q. The delay (t 1 -t 0 ) in establishing harmonic oscillations after application of the exciting alternating signal in the circuits described in the parent Specification, is reduced to (t 2 -t 0 ) by injecting a signal of harmonic frequency prior to the exciting signal. In a super-regenerative amplifier wave trains having a frequency f and a duration between (t 2 -t 0 ) and (t 1 -t 0 ) constitute the exciting alternating signal. Amplified signals of the desired frequency can be established before the end of a wave train, whereas spurious noise signals (Fig. 2b) cannot be amplified during this period.