baber/WOPTO huggingface dataset:
Patent GB-747482-A (GB)
Title: Improvements relating to t.r. cells and gas attenuators
Inventor: WHITMORE EDWARD JOHN
IPC: H01J17/04
Filed: 1953-01-22
Abstract: 747,482. High-frequency discharge apparatus. FERRANTI, Ltd. Jan. 22, 1954 [Jan. 22, 1953], No. 1842/53. Class 39 (1). [Also in Group XL (b)] A gas-filled TR cell or attenuator comprises a waveguide section containing a plurality of discharge gaps each formed between a pair of electrodes in the form of flat metallic sheets extending across the waveguide and having operative surfaces in the form of knife-edges which are skew with respect to each other. The device shown comprises a section of waveguide sealed at the ends by glazed slots 11 and 12 in end flanges 11<SP>1</SP> and 12<SP>1</SP> respectively and containing two discharge gaps separated from each other and from the adjacent glazed slot by a distance equal to a quarter wavelength at the centre frequency of the operative band. The section is filled with ionizable gas at low pressure and is strengthened mechanically by two plates 15<SP>1</SP> and 161 extending between the end flanges 11<SP>1</SP> and 12<SP>1</SP>. A sheet metal stamping is bent and inserted in the waveguide to provide two triangular fixed electrodes 21 and 29 located between rectangular members 18, 19 and 27, 28 forming two resonant slots. The surface 33 of the stamping may be provided with an aperture which is engaged by the exhaust tabulation (not shown) of the device to retain the stamping in position prior to and during brazing. Such an aperture is also of use in locating the blank in the press tool which bends the stamping into shape. The discharge surfaces of the electrodes 21 and 29 are knife-edges lying parallel to the longitudinal axis of the waveguide. Two further triangular electrodes 22 and 30 are secured to metallic diaphragms forming flexible parts of the base 16 of the waveguide and arrangements (not shown) are provided for moving these electrodes with respect to the fixed electrodes 21 and 29 for tuning purposes. The discharge surfaces of the electrodes 22 and 30 are knife-edges lying at right-angles to the longitudinal axis of the waveguide and consequently at right-angles to the knife-edges of electrodes 21 and 29. The knife-edges need not be at right-angles to each other as long as they are skew. A keep-alive electrode 31 or equivalent control electrode is provided. The Provisional Specification states that the keep-alive electrode may be of the type described in Specification 748,885.
Patent GB-565402-A (GB)
Title: Improvements in or relating to apparatus for separating sheets from a pile
IPC: B65H3/46
Filed: 1943-02-05
Abstract: 565,402. Feeding sheets. LINOTYPE & MACHINERY, Ltd., and ROWLANDS, T. Feb. 5, 1943, No. 1911. [Class 100 (i)] In a sheet-feeding device in which combing rollers 1 are used to effect a preliminary separation of the sheets of a pile and are mounted so as to be moved into and out of contact with the pile, the rollers 1 are so mounted that they cease to be driven while being moved to and from the pile, but are caused to rotate while in contact with the pile. As shown, two combing rolls 1 are used and each is mounted in a lever arm 2 which can pivot about the shaft of a sunwheel 21 which is oscillated by gear connection with a reciprocating rack 10. The sun-wheel 21 is connected by gears 31, 32 to a planet gear 30 on the roll 1, and when the wheel 21 of separator A rotates clockwise, it first of all causes the lever 2 to move clockwise so as to bring the roll 1 into contact wth the pile, and then further rotation of wheel 21 causes rotation of the roll 1 in counter-clockwise direction. On reversal of the drive, the lever 2 is rotated without driving the roll 1 which is thus not driven while it is moved away from the pile. The wheel 1 of separator B is driven by a sun-gear connected directly to a gear-wheel which is oscillated by the rack 10, so that although the arm 2 of separator B moves reversely to that of separator A, the wheels 1 each move the sheet inwards from the respective sheet edge. The rack 10 is guided by adjustable brackets 6, and the arms 2 are provided with counter-weights 27, and are fitted with stop arms 35 which engage fixed stops 36 to limit the movement of the arms away from the pile, and stops 34 limit the movement of the arms towards the pile. The motions of the rollers 1 can be controlled by an axial braking device.
Patent GB-157988-A (GB)
Title: Improvements in and relating to platinum alloys
IPC: C22C27/04
Filed: 1921-01-12
Abstract: 157,988. British Thomson - Houston Co., Ltd., (Assignees of Weintraub, E.). March 5, 1914, [Convention date]. Void [Published under Sect. 91 of the Act]. Alloys.-Malleable refractory alloys suitable for use in scientific instruments, jewellery, electric contacts, &c., comprise at least 20 per cent of platinum together with tungsten or molybdenum or both, for example 20-60 parts of platinum and 30-40 parts of tungsten. The alloys may be made by twisting together wires of the metals and melting them in the vapour arc furnace described in Specification 26082/12, [Class 39 (iii), Heating by electricity].
Patent GB-819427-A (GB)
Title: Improvements relating to record-changing gramophones or record players
IPC: G11B17/14
Filed: 1956-01-20
Abstract: 819,427. Record players. STAAR, M. J. H. Jan. 20, 1956 [Sept. 17, 1955], No. 1984/56. Class 40 (2). In a record-changing gramophone or record player including a stem 3 which extends over at least the lower part of its length axially of the turntable 1 but which does not participate in the rotation of the turntable, an adapter set for records having large-diameter centre holes comprises a distributer head 6 carried or adapted to be carried by the upper section of the stem, and centring means 7 carried or adapted to be carried rigidly by the turntable for rotation therewith and clear of the head 6 and stem 3. As shown in Fig. 1, the centring means comprises a number of arms 7 rigidly or pivotally mounted on a ring 8 carried by the turntable; the arms may be swung down to lie below the supporting surface of the turntable. In modifications, (a) the arms 7 are replaced by a collar rigidly located on the turntable, and (b) a centring boss 13, Fig. 4A, is located in a groove 14 in the turntable and is telescopically associated with the head 6.
Patent GB-1169871-A (GB)
Title: Improvements in Medical Appliances
Inventor: SCHOFIELD DEREK
IPC: A61F13/15
Filed: 1966-01-17
Abstract: 1,169,871. Laminates. D. SCHOFIELD. 5 Jan., 1967 [17 Jan., 1966], No. 2082/66. Heading B5N. [Also in Divisions A3 and A5] An incontinence pad comprises two or more layers of liquid absorbent material, e.g. consisting of cotton wool and gauze, having a layer of powdered cellulose derivative capable of absorbing liquid to form a gel between one or each pair of adjacent layers. The cellulose derivative may be a cellulose ether or ester. The pad may be provided with an outer layer of reticulated pervious gauze-like sheeting.
Patent GB-1020680-A (GB)
Title: Stuffing box for a machine for crimping fibre tows
IPC: D02G1/12
Filed: 1965-01-18
Abstract: The internal upper and lower walls (but not the side walls) of the stuffing-box of a machine for crimping synthetic fibre two each comprise one or more longitudinal grooves of square, rectangular or semicircular cross-section extending from near the entry end to (or near to) the delivery end of the box.  The grooves relieve pressure of compacted fibres on the smooth side walls and within the stuffing box.
Patent GB-1373191-A (GB)
Title: Forming anchorage cavities in moulded refractory and like materials
IPC: B30B11/00
Filed: 1973-01-15
Abstract: 1373191 Compression moulding NEWBOLD GENERAL REFRACTORIES Ltd 15 Jan 1973 [25 Jan 1972] 2116/73 Heading B5A Apparatus for forming undercut anchorage cavities in moulded articles, e.g. refractory stopper heads for metal ladles, comprises a moulding cylinder 7 with opposed die plates 12, 13 between which moulding material is pressed when the plate 12 is lowered by a ram, and core levers 20 pivoted about pins 21 and provided with cavity forming end portions 32 with lugs 33 which extend through the plate 13. In the moulding position, Fig. 3, the end portions are thrust apart by a rod 36 adjustably mounted on the rod 37 of a pneumatic ram 38. After the moulding operation, Fig. 4, the rod 36 is retracted and engages the ends of cam pins 46 on the levers 20 whereby the cavity forming end portions of the core levers are brought together allowing the die plate 13 to be raised by a ram, not shown. The latter acts on the base of a U- shaped yoke 17, the upper ends of which are attached to the die plate 13.
Patent GB-363863-A (GB)
Title: Improvements in pipe joints and the method of making same
IPC: F16L13/06
Filed: 1931-01-22
Abstract: 363,863. Pipe joints. STEWARTS & LLOYDS, Ltd., 41, Oswald Street, Glasgow.. and WOOD, P. W. A., Hopefield, Victoria Place, Airdrie, Lanarkshire. Jan. 22, 1931, No. 2132. [Classes 99 (i) and 99 (ii).] In joints for pipes 2, 5, Fig. 3, of the kind in which the adjacent ends of the pipes are provided with integral flanges 1, 4, and the pipes are jointed together by loose collars 10, 11, engaging the said flanges, and connecting bolts 12, the flange 1 is formed out of the pilger head on the pipe end and the flange 4 by staving or pressing up the metal 6, Fig. 2, at the end of the pipe and then working or bending it outwards. The flanges are machined to provide interengaging spigot-andsocket portions 3, 8 respectively and preferably also a chamfer to receive welding metal 9 for sealing the joint.
Patent GB-225727-A (GB)
Title: Improvements in or relating to location of ore
IPC: G01V3/24
Filed: 1924-01-26
Abstract: 225,727. Chilson, D. G. Jan. 26, 1924. Locating conductors; magnetic tests.-Ores are located by introducing high-frequency currents into the earth and measuring the intensity or direction of the magnetic field produced thereby at various distant points. High-frequency currents are produced in an inductance 14, Fig. 2. by a thermionic valve 4, of which the filament 7 is fed from a low-voltage generator 8 and the circuit of the plate 6 is fed from a high-voltage generator 19 shunted by a condenser 26 of high capacity. Earth connections 2, 3, one of which is preferably connected to a known body of ore, are connected to sliding contacts 16, 17 on the inductance 14, the circuits being so adjusted that currents of audio-frequency are produced. The direction and intensity of the resulting magnetic field are determined by means of a search coil 30, Fig. 4, horizontally pivoted within a yoke 62 which is rotatable about a vertical axis 63. The coil 30 is connected through an amplifier 65 to a telephone headset 53. The observations are made at points distant from the known body of ore, enabling the presence and shape of adjacent bodies of ore to be determined.
Patent GB-1303561-A (GB)
IPC: A47K10/38
Filed: 1971-01-15
Abstract: 1303561 Roll dispensers STEINER CO LAUSANNE S A 15 Jan 1971 [6 March 1970] 2189/71 Heading A4G [Also in Division E2] A rolled tissue dispenser comprises a housing 102, Fig.3, mounted on a wall at 90, 170 and having a dispensing opening 109 and a cranked door 111, 115 hinged at 125. The roll 70 and spare roll 60 are mounted on fixed or rotatable posts 155, 135 on arms 150, 130 freely pivotable at 176, 172, the roll 70 resting on roller 120 on the door so that, as the tissue is used, the roll 70 gradually falls until, with all the tissue removed, a pin 154 on arm 150 rides off the lower end of a pawl 180 to an exhaust position as the core of roll 70 passes over roller 120 and the spare roll 60, held by arm pin 134 on the top of the pawl, is released to fall into dispensing position. The pawl pivoted at 181, Fig. 8, has in its dotted line position away from stop 187 a top surface 182 which retains pin 134 and spare roll 135 at the top, an upper curved surface 183 which is concentric with pivot 176 when moved to its full line position abutting stop 187, and a lower surface 185 which is concentric with the pivot when in its dotted line position against stop 188. Pin 134 and spare roll 135 are held uppermost when 154 presses on surface 185 during dispensing of lower roll 71, and when the lower roll is used and passes over roller 120 to move pin 154 off the pawl, the pawl shifts and pin 134 moves down over surfaces 183, 185 to position the spare roll at the dispensing opening. The door 310, 311', Fig.18, may be locked by lever 380, 381 engaging in the top of cylinder 375 secured to pivot 377. On unlocking at 390 and turning lever 391, lever 380 may be rotated by pressing in button 382 against leaf spring 387 to lift lever end 381 out of cylinder 375. An arm can then be rotated from the exhaust to the storage position to receive a fresh roll when the door is open.
Patent GB-1192523-A (GB)
Title: Naphthalene Derivatives
Inventor: GREEN PETER NICHOLL
Filed: 1968-01-15
Abstract: 1,192,523. Naphthalene derivatives. WARD BLENKINSOP & CO. Ltd. 14 Jan., 1969 [15 Jan., 1968], No. 2211/68. Heading C2C. Compounds of the general formula (R = C 1-6  alkyl; R<SP>1</SP>'<SP>2</SP>= -C n H 2n X in which n = 2-4 and X = Cl or Br present as a substituent on a carbon atom other than that which is linked to N) are prepared by treating a compound of the formula (R<SP>3,4</SP> = C 2-4  alkylol group in which the OH group is present on a carbon atom other than that which is linked to N) or an acid addition salt thereof with a chlorinating or brominating agent. The starting materials are prepared by standard methods. The compounds of the invention are of interest in the treatment of lymphosarcomas and forms of carcinoma and leukaemia.
Patent GB-657003-A (GB)
Title: Improvements in or relating to milk bottle and like holders
IPC: B65D85/80
Filed: 1949-01-27
Abstract: 657,003. Bottle &c. holders or cases. STEVENS, C. F. L. Jan. 27, 1949, No. 2254. [Classes 18] A portable case or holder for milk bottles or other articles consist of base strips a, a<SP>1</SP>, side walls b, c, a top d provided with a carrying handle e, small front and rear strips f, g fixed to the base, a back strip h connecting the said portions of the sides and a pivoted bottle &c. retaining bar j that can be swung into an in. clined slot l. The bar j may be of springy metal or thin wood and a positioning strip i may be provided for the bottle tops. Holes may be provided for the ends of an elastic member for retaining smaller bottles. The inside of the case may be lined with shock reducing or resilient material. The Provisional Specification describes also a holder with five rigid sides and the open front traversed by a rigid bar or by one or more retaining bands of rubber or coiled metal spring.
Patent GB-638396-A (GB)
Title: Improvements in or relating to coke stokers
IPC: F23K3/00
Filed: 1948-01-26
Abstract: 638,396. Underfeed furnaces. KOPPERS CO., Inc. Jan. 26, 1948, No. 2316. Convention date, Sept. 4, 1947. [Class 51 (i)] [Also in Groups XXIX, XXX and XXVI] Apparatus for automatically controlling the fuel supply and ash removal in the firebox of a house heating furnace or boiler comprises a conveyer 10 with an oscillating plate 58 forming the base of a fuel hopper, a stoker feed tube 12 with a feed plate 70 carrying a pusher 76 underfiring the grate 14 which has an oscillating ash crushing ring 16, and horizontally mounted oscillating side plates 20 for the removal of ash, all the oscillating parts being reciprocated from a hydraulic cylinder 116 under control of a pump 40 driven by a motor 38 which is switched on or off by the movement of a control member 28 resting on the fuel bed. Ash from the conveyer plates 20 falling on the pivoted quadrant 172, Fig. 5. passes from the cut out section 204 to a conveyer 22 which delivers it to a removable receiver, Fig. 3 (not shown). The ash crushing ring 16 forms the base of the grate 14 and has teeth 82 on its upper surface. It is actuated by a yoke 90 supported on a compound lever 94 driven through the bar 166 which is attached to the conveyer plate 70 from a lever 170 secured to the pivoted quadrant 172, an adjustable slot and pin connection 196 with said bar 166 being provided to vary the stroke of the ring 16. A scraper 18 attached to a lower arm 104 of the compound lever 94 moves ash which falls from the back of the grate onto the conveyer plates 20. A damper 50 and draught doors 52 operated by a motor 44 under the influence of a thermostat 42 disposed in the heated space control the combustion.
Patent GB-687755-A (GB)
Title: Improvements in or relating to semi-conductor arrangements
IPC: H01L29/00
Filed: 1951-01-30
Abstract: 687,755. Semi-conductor amplifiers. SIEMENS & HALSKE AKT.-GES. Jan. 30, 1951 [Feb. 24, 1950], No. 2371/51. Class 40 (iv). [Also in Group XL (c)] In a semi-conductox transistor arrangement having input and output circuits each terminating with a contact wire and arranged as coaxial systems with a common return conductor, the position of the point electrodes is fixed by guide members extending close to the contact points on opposite sides of the semi-conductor element. Fig. 2 shows a transistor amplifier in which a semi-conductor disc 5 is fixed to one of a pair of glass or ceramic insulating elements 3, 4 and a metal foil 6 is provided having a low resistance connection to the semi-conductor. Tungsten wires 1 and 2 provide point contacts on either side of the semiconductor disc and operate as emitter and collector electrodes. The wires 1, 2 are led through tapered holes in elements 3, 4 which fix the contacts in the desired position. The wires 1 and 2 are connected to conductors 7 and 8 which have plug terminations and act as the minor conductors of the coaxial system. Bias supplies for electrodes 1 and 2 are supplied from batteries 18, 19 which are housed in a screening box 20 attached to the semi-conductor assembly. Inductances 16, 17 in the bias lead, condensers 21 between the outer conductors 11 and 12, and lead-through condensers 14, 15 are provided to facilitate operation at high frequencies. Fig. 4 shows a modified arrangement in which the semi-conductor disc 5 is mounted in a metal ring 26, and the semi-conductor and guide elements 3, 4 are mounted in a sub-assembly which is screwed to the outer conductor portions 11 and 12 housing the inner conductor assemblies. Impedance elements 28, 29 are provided in series with the point electrodes 1 and 2 to provide desired terminal impedances, and tubular condensers are provided in the inner conductors at the connecting points. Further modifications provide for the guide elements to have an inner portion of insulating material which may be easily worked, and for two metal foils to be provided to act as the lowresistance electrode to the semi-conductor. In place of an insulating disc, pairs of insulating bars may be provided to act as the guide elements. Reference is made to the use of an additional point electrode for use with an additional signal in modulating or selective amplification circuits. A resistance coating on insulating support elements may be provided to act as a terminal impedance in series with the low resistance electrode.
Patent GB-591361-A (GB)
Title: Improvements in and relating to looms
IPC: D03J1/00
Filed: 1945-01-31
Abstract: 591,361. Looms. COTTON, G. A. Jan. 31, 1945, No. 2421. [Class 142 (ii)] Apparatus for dyeing warp threads comprises a dye container b having a roller c mounted therein, the warp threads passing under the latter and then over a thermostatically-controlled electrically-heated bar h, the dye in the container b being kept at the level of an overflow pipe e by means of a pump g and a pipe d fixed in or adjacent to a heated dye vat f. In a modification, the roller is replaced by a number of rollers attached to the ends of arms fixed to a horizontal bar.
Patent GB-697347-A (GB)
Title: Improvements in or relating to wellpoints
IPC: E03B3/12
Filed: 1951-01-31
Abstract: 697,347. Wellpoints. WIMPEY & CO., Ltd., G., and VOLLER. F. J. Jan. 31, 1952 [Jan 31, 1951], No. 2472/51. Class 85 The strainer of the suction intake of a wellpoint consists of a plurality of washers 24, 25 surrounding and prevented from rotating with respect to a tube 10 connecting the cutting 'nozzle 14 to a drill pipe connecting socket 13, alternate of said washers having formed on the flat surfaces thereof projections 26 so that the washers are spaced apart. When suction is applied, fluid enters between the washers and passes through axial passages formed by aligned apertures 21 in the washers to an annular chamber 17 formed between a lip 15 of the cutting nozzle e abutting against the washers and the tube 10, the fluid passing into said tube through ports 16. A non- return valve 19 is fitted in the cutting nozzle. The peripheries of some of the washers are extended by notches cut therein.
Patent GB-433021-A (GB)
Title: Method of forming sheets or cloths from filaments of kapok and apparatus for carrying out the said method
IPC: D05B11/00
Filed: 1935-01-25
Abstract: 433,021. Buoyant fabrics. MIMS, C. N., 11<bis> Rue Margueritte, Paris. Jan. 25, 1935, No. 2496. Convention date, Feb. 7, 1934. [Class 77] [See also Groups IX and VIII] Sheets or cloths in the form of wadding are made by spreading tufts of kapok on a longitudinally-apertured plate 1 placing thereon a similar plate 2 and then stitching the material through the apertures in the two plates. To assist in collecting the kapok between the two plates, sheets of paper may be used one on each side of the kapok, &c., these paper sheets being subsequently torn away. The plate 2 fits on pillars on the plate 1. Biassed sheets may be obtained by using a folding or deformable frame comprising laths &c., 6 pivoted to strips 7. The sheets may be used for life saving clothes &c. The sewing machine used may be of the domestic or factory type, or of the type used by harness makers &c., the presser bar having a foot furnished with a shoe or rollers which pass over the solid part between the apertures 4.
Patent GB-142535-A (GB)
Title: Improvements in and connected with coinfreed delivery machines
IPC: G07F11/20
Filed: 1919-02-01
Abstract: 142,535. Watkins, T. J. Feb. 1, 1919. Delivery of articles stored in piles. - The delivery drawer 12 is locked by a pawl 15 engaging a stop 13 formed in a plate or slide 11 which is readily removable from its casing on the opening of the front 3. The pawl is released by the weight of a coin or its extension 17. Fraud, preventing: diverting improper coins.- The coin shoot 6 is formed with a longitudinal slot 7, a cross-slot 20, an aperture 8, and a V- shaped opening 9. The slots 7, 20 are entered by a downwardly curved bar 10 extending from the drawer and a cross-piece 19 thereon, which prevent actuation by a strip of cardboard &c., and arrest coins inserted when the drawer is partly withdrawn. The opening 8 allows undersized coins to pass out of the shoot, and the slot 9 serves to cut a string to which a coin is attached. Specification 22734/04 is referred to.
Patent GB-713209-A (GB)
Title: Improvements in or relating to continuous process and apparatus for making lubricating greases
IPC: C10M169/00
Filed: 1952-01-31
Abstract: A continuous process for making lubricating grease compositions comprises heating a concentrate of a soap and lubricating oil in a grease cooker, drying the concentrate, blending with more lubricating oil, milling the blend with finely-divided solid non-soap materials, and cooling and homogenizing the mixture. Soaps referred to are those of the alkali and alkalin earth metals and aluminium; lithium, calcium and aluminium stearates are mentioned.  The solid non-soap materials may be carbon black, bentonite and silica.  Lubricating oils specified are mineral oils or synthetic oils such as esters, glycols, liquid nitrile polymers and silicones.