baber/WOPTO huggingface dataset:
Patent GB-1421740-A (GB)
Title: Insecticidal composition
IPC: A01N61/02
Filed: 1972-10-27
Abstract: 1421740 Insecticidal composition BRITISH PETROLEUM CO Ltd 18 Oct 1973 [27 Oct 1972] 49574/72 Heading A5E Systemic insecticidal compositions comprise a systemic insecticide and a mineral oil having a viscosity of 1 to 50 centistokes at 210‹F, in a proportion of 0.1 to 100 grams of the insecticide per litre of oil. The oil has a synergistic effect with systemic insecticides. The insecticide may be dimethyl S-(N-methyl carbamoyl methyl) phosphorothiolothionate, methyl [S-2-(ethylthio) ethyl dimethyl phosphorothiolate + 2-(ethylthio) ethyl dimethyl phosphorothionate] or dimethyl S-{N-ethyl carbamoyl ethyl) phosphorothiolothionate. The presence of insects on growing plants is reduced by spraying the plants with the compositions, or they may be emulsified in water and used for spraying plants.
Patent GB-1114604-A (GB)
Title: Safety devices for gas burners
Inventor: BILLETT AUBREY JOHN
IPC: F23N5/10
Filed: 1965-11-23
Abstract: 1,114,604. Controlling burners. PARKINSON COWAN Ltd. 23 Nov, 1966 [23 Nov., 1965], No. 49617/65. Heading F4T. In a safety device for a gas burner arrangement including a main burner 4 and pilot burner 5 supplied with gas through a manually controlled cock 2 and an electromagnetically operated valve 3 energized by a flame detecting thermocouple 6, the electrical circuit includes contacts 7 of a relay operated by the cock 2 or by a pressure-sensitive switch responsive to the gas pressure in the supply pipe falling below a predetermined value. This arrangement also fails safe in the event of a power failure.
Patent GB-1279228-A (GB)
Title: Apparatus for accessing data records
Inventor: CAPOZZI ANTHONY JOSEPH
IPC: G11B27/10
Filed: 1970-10-21
Abstract: 1279228 Magnetic disc stores INTERNATIONAL BUSINESS MACHINES CORP 21 Oct 1970 [10 Nov 1969] 49915/70 Heading G4C A disc store is connected to a control unit which includes a counter which is reset to zero each time the disc passes an index position. The counter is incremented at such a rate that it indicates the address of the sector of the record track that is currently being scanned. The address of the sector to or from which data is to be transferred from or to a processor is placed in a register, transfer taking place when the counter and register addresses are equal. The use of the register permits the control unit and associated channels to be available for other operations during searches for addresses in the disc store. In the embodiment described a number of disc packs (19, Fig. 1, not shown) are associated with control units (10, 15) connected to a microprogrammed central processor (1) via respective channels (8, 7). Each control unit contains a number of similar circuits (80-1 to 80n) each associated with a respective disc pack. Each circuit includes a sector counter (81, Fig. 2, not shown) incremented by clock pulses derived from an oscillator (72) or equivalent means. The counter is reset once per revolution by the disc drive. In one mode, a sector register (90) in the circuit is filled by the processor with an address indicating the sector to or from which data is to be transferred. In a second mode the register is filled with the address in the counter at the time at which a record is being read from the disc pack, this address subsequently being passed to the processor. In the first mode the addresses in the counter and the register are passed via gates (92, 93) to a comparator common to all the circuits (80-1 to 80-n) in the control unit. The gates (92, 93) in the several circuits (80-1 to 80-n) are enabled successively so that each circuit in turn is connected to the comparator (91) immediately after the respective counters (81) have been incremented. When the comparator shows an equality an interrupt latch (97) is set in each circuit to initiate a microprogram resulting in data transfer. In the second mode, in any one circuit (80-1 to 90n) the counter address is placed in the register (90) via a gate (110) enabled when the processor calls for the second mode, when the start of a record is detected, and when data being transferred to the start of record data detector (113) originates from the disc pack (19-1 to 19n) corresponding to the circuit. The address now in the register is subsequently transferred to the processor. The record read from this address can be updated and recorded at the same address in a subsequent revolution of the disc pack.
Patent GB-1530317-A (GB)
Title: Semiconductor memory cells
IPC: H01L21/331
Filed: 1975-12-05
Abstract: 1530317 Semiconductor memory device INTERNATIONAL BUSINESS MACHINES CORP 5 Dec 1975 [23 Dec 1974] 49961/75 Heading H1K A planar bipolar transistor for use as a bistable memory element has a base region consisting of two mutually separated portions 11, 12 (Fig. 1) abutting the sides of the emitter region, joined by a third portion 14 (the base region proper) disposed between the emitter and collector regions and substantially co-extensive with the emitter, the construction being such that by suitably reverse biasing the emitter and collector junctions the third portion can be pinchedoff to isolate the first and third portions. The third portion of the base preferably has a doping concentration between 5 x 10<SP>15</SP> and 1 x 10<SP>16</SP> atoms/cc., and the emitter region a length to width ratio of 5, and the device is preferably surrounded by inset oxide 6 or an air gap to reduce undesired leakage currents. In operation, with the emitter and collector biased to pinch off base portion 14, and base portion 11 grounded via electrode 21, the potential of floating base portion 12 rises due to collector leakage current and continues to rise when the emitter voltage is disconnected until a stable "up" voltage condition is reached when said leakage current is balanced by leakage currents from portion 12 to ground via the emitter and pinched-off base. Grounding of the emitter causes portion 12 to be connected to ground again to stabilize its voltage at a lower "down" level. The memory state can be non-destructively read by connecting the electrode 22 on portion 12 via a high, e.g. 10-20K # resistor and a current monitor to a voltage equal to or above the "up" voltage level, absence and flow of current respectively indicating the "up" and 'Àdown" condition.
Patent GB-1133540-A (GB)
Title: Improvements in or relating to fuel injection systems
IPC: F02D41/22
Filed: 1967-11-03
Abstract: 1,133,540. Regulating I. C. engines. ROBERT BOSCH G.m.b.H. Nov. 3, 1967 [Nov. 5, 1966], No. 50068/67. Heading F1B. [Also in Division G1] In an I. C. engine with fuel injection controlled electrically in accordance with the degree of vacuum in the inlet manifold, the fuel pump is automatically switched off at speeds below idling, to reduce loss of fuel due to faulty functioning, the switch circuit being cut-out at starting. As shown (Fig. 1), the four cylinders of an engine 10 are supplied with fuel through valves 13, obtained from tank 17 by pump 16 driven by motor 18. The engine drives a contact breaker 56, 57, 58 feeding two pulses per revolution to a monostable multi-vibrator 25 to produce a pulse train synchronous with the engine rotations whose durations are determined by the pressure in the inlet manifold 12, as measured by the displacement of core 41 of transformer 39, and extended when the engine temperature is low, as sensed by a temperaturesensitive resistor 67. These pulses are fed through synchronous switch 29 to the solenoid windings of the valves 13, and also to an averaging circuit comprising capacitor 72 in parallel with resistor 71. When the engine speed is above idling, the charge on capacitor 72 causes transistors 21, 22 to conduct and relay winding R is energized, contact r is closed and motor 18 is energized. When the speed falls below idling, the charge on capacitor 72 does not maintain transistor 21, 22 conducting and contact r opens, stopping the fuel pump 16. A switch 80 in the base circuit of transistor 21 is closed when starting, causing the transistor to conduct and close contact r independently of speed. In a modification the averaging circuit is fed from a separate monostable multi-vibrator so that the pulses being averaged are of constant duration.
Patent GB-1142065-A (GB)
Title: Improvements in and relating to spark gap oscillators
IPC: B22F9/14
Filed: 1966-11-11
Abstract: 1,142,065. Producing Al 2 O 3-  IWATANI & CO. Ltd. 11 Nov., 1966 [29 Dec., 1965], No. 50590/66. Heading C1A. [Also in Divisions B3, C5 and H3] Finely divided Al 2 O 3  is produced by charging a mixture of water and 3 mm. Al pellets into a reactor having two graphite plate electrodes, and initiating a spark discharge between the electrodes by means of a series oscillatory circuit (see Division H3).
Patent GB-1408004-A (GB)
Title: Robler reefing gear for sailing craft
IPC: B63H9/10
Filed: 1972-11-06
Abstract: 1408004 Sail reefrin C J LAWRENCE 6 Nov 1973 [6 Nov 1972] 50994/72 Heading B7V Roller reefing gear for a sail craft includes a shaft 20 which in use extends fore and aft through a hollow metal mast A and is rotatable in bushings 11, the shaft being keyed or welded to a sleeve 6 rotatable bearings 1, 2 in a housing 5 under the control of a unidirectional clutch 3, the housing being mounted in a clamp 4 inside the mast A which is selectively operable to hold the housing fast or permit it to rotate, and the shaft 20 being coupled by a Hooke's type universal joint 30 to a boom B on which a sail may be reefed. The clamp 4 surrounds the housing 5 and is in two parts at one side by links 8 and pins 7 and at the other side by a bolt 10 the head of which is accessible externally of the mast A for actuation of the clamp. The shaft 20 may be rotated by a handle (not shown) engaging with the end of the shaft remote from the universal joint 30. The unidirectional clutch 3 is preferably of the kind having a plurality of spring loaded sprags operating between two coaxial cylindrical surfaces, and is disposed so as to allow reefing of the sail only when the clamp 4 holds the housing 5 against rotation.
Patent GB-1099765-A (GB)
Title: Modulating devices
IPC: G02F1/015
Filed: 1966-11-15
Abstract: 1,099,765. Modulating light. WESTERN ELECTRIC CO. Inc. Nov. 15, 1966 [Nov. 15, 1965], No. 51139/66. Heading H4F. A light modulating device comprises a wafer of bulk semi-conductor material, e.g. N-type gallium arsenide, and means for establishing a potential across the wafer to set up Gunn effect travelling electric field domain oscillations therein, a beam of radiation to which the wafer is at least partially transparent being directed through the wafer in such a direction as to be modulated in accordance with the travelling electric field domain oscillations. The potential establishing means may comprise a D.C. source sufficient to set up spontaneous oscillations or a D.C. source sufficient to bias the wafer to a point below that at which spontaneous oscillation occurs and a radio (microwave) frequency potential source, the combined potentials being sufficient to establish oscillation. N-type gallium arsenide is transparent to near infra-red light and in operation, Fig. 1, not shown, the light, preferably from a laser, is directed through polished or cleaved faces of the wafer across which travelling domains of high electric field intensity are established. The high electric field intensity in the travelling domain alters the local index of refraction of the material or alternatively changes the wavelength of the conduction band absorption edge. Experimentally the detected light beam is found to be intensity modulated and the Specification states that in the case of refraction the field domains may refract part of the light to so high a degree that it does not impinge on the detector. The Gunn effect oscillations may be pulse modulated by inserting a switch in the D.C. circuit. Where the microwave electric field initiates the domain formation the rate of domain formation is precisely the microwave frequency so that the Gunn effect current oscillates at the applied microwave frequency. For effective amplitude modulation the mean microwave frequency equals the drift velocity of the travelling electric field domain divided by the distance over which they travel. Pulse code modulation may be obtained by pulsing the microwave source.
Patent GB-1156710-A (GB)
Title: Improvements in or relating to Devices for Centralising Pipe in Borings.
Inventor: CASLAKE JOSEPH
IPC: E21B17/10
Filed: 1966-11-17
Abstract: 1,156,710. Wells &c. J. CASLAKE Ltd. 17 Nov., 1967 [17 Nov., 1966], No. 51493/66. Heading E1F. A casing centralizer has collars 10 comprising two parts detachably and/or pivotably connected, and blades 11 secured to the collars. The ends 18 of the blades engage in slots 16 in the collars and are held in place by bending lugs 17 on strips 19 welded to the collars. In a modification the strips are each replaced by a single rivet welded to the collar and passing through a hole in the blade.
Patent GB-1112436-A (GB)
Title: Improvements relating to the manufacture of tiles and similar structural elements
IPC: E04C2/04
Filed: 1965-12-07
Abstract: 1,112,436. Moulding structural elements. J. J. BARTHOLOMEW. 20 Jan., 1967 [7 Dec., 1965], No. 51766/65. Heading B5A. Structural elements which appear to be tiled or made of blocks, are made by moulding tiles or similar blocks with one face having uneven surface configurations, transferring the tiles to a jig which has identical uneven surface configurations so that the tiles fit into predetermined positions, applying a cementitious backing to the whole, allowing it to set and removing the element from the jig. The tiles (which may include ceramic glazed and unglazed tiles and also bricks, blocks and slabs of ceramic and other materials) may be made in individual moulds or in a large mould with movable partitions between them. In the jig, filler strips may be placed between the tiles while the cementitious material is applied, the filler strips being removed and replaced by a grout after the structural element has been removed from the jig. Different sized tiles may be used in this process, a fireplace surround with three different shaped tiles being illustrated.
Patent GB-1124389-A (GB)
Title: Improvements in and relating to an abacus
IPC: G06C1/00
Filed: 1966-11-21
Abstract: 1,124,389. Calculating apparatus. A. KOUZOULIS. 17 March, 1967 [21 Nov., 1966], No. 51972/66. Heading G4B. An abacus is provided with one, two, three, and so on, beads c on consecutive wires b. Spacer plates d separate adjacent beads. A cross-bar e supports additional beads f. The beads c and f have a polygonal or circular crosssection. As shown, the beads have four sides and the beads c marked with two, three, four and five symbols on their respective sides. The series of beads f are marked 2, 4, ... 20; 3, 6, ... 30; 4, 8, ... 40; and 5, 10, ... 50 on their four sides whereby the abacus may be used for teaching multiplication.
Patent GB-1300977-A (GB)
Title: Shortened apparatus for producing corrugated board
IPC: B31F1/36
Filed: 1970-11-02
Abstract: 1300977 Apparatus for producing corrugated board S & S CORRUGATED PAPER MACHINERY CO Inc 2 Nov 1970 [26 Nov 1969] 52025/70 Addition to 1190308 Heading B5N Apparatus 10 for producing corrugated board comprises a section for gluing, e.g. with starch adhesive, a liner 14 to a single faced corrugated web 13 to produce a continuous web of corrugated board, a heating section 11 comprising steam chests 15, 16, and 17 supported in frame members 45 to provide a generally horizontal support for the web, a pulling section 12 comprising upper and lower continuous moving conveyer belt means 20 and 18 and downwardly acting weight means comprising rollers 41 urging the lower flight portions of the upper belt into firm pressure engagement with the web and urging the web against the horizontal support, each of the rollers being rotatably mounted on an individual horizontal axis extending transverse to the direction of web movement A and being positioned with spacing, on average, between longitudinal axes of adjacent rollers in the range of 1À1 to 1À3 times the outer diameter of the adjacent rollers. The rollers which may be of steel may be 70-120 inches long and of diameter 1¢-3 inches. Driving power for belts 18 and 20 is provided by variable speed motor 23 acting through bevel gear means 24 and gears 25 and 26 to rotate pull rolls 27 and 28. From the pulling section the composite web is fed into a slitter and into cut-off knives. Some of the rollers may be positioned with centre-to-centre spacing between longitudinal axes of as little as 1À05 times roller diameter provided the average centre-to-centre spacing between longitudinal axes is 1À1 to 1À3 times roller diameter. In an alternative arrangement upper belt 20 may extend only over pulling section 12 so that the rollers of heating section 11 press directly upon the composite web.
Patent GB-1393108-A (GB)
Title: Timing mechanism
IPC: G04C23/08
Filed: 1972-11-15
Abstract: 1393108 Time switches SEIKO KOKI KK 15 Nov 1972 [18 Nov 1971] 52750/72 Heading H1N [Also in Division G3] A timing mechanism comprises a plurality of alternately arranged timing wheels 2, 3, 4 and detecting wheels 6, 7, 8 rotatably mounted on a common shaft 9, each detecting wheel being adjacent to a mutually co-operating timing wheel, the timing wheels being adapted to be time driven at different speeds; means (not shown) for setting the detecting wheels in respective selected angular positions corresponding to a selected time; adjacent wheels of cooperating pairs being respectively provided with at least one projection (e.g. 7a) and recess (e.g. 3a) such that the or each projection can enter the respective recess only when the timing wheels are also disposed respectively in the said selected angular positions; and means 26 for urging the common shaft 9 to move axially when the timing wheels attain the said angular positions and the projections enter the recesses. As shown the timer comprises a seconds wheel 1, a minute wheel 2, a ten minute wheel 3 and hour wheel 4, the wheels 2 to 4 having numerals thereon to give a digital indication of the time of day. Detecting wheels 6 to 8 are coupled by gears to reference wheels 14 to 16, respectively, which carry numerals to indicate the selected time of operation of the device. A spring 26 urges shaft 9 and, via washers 10, 11, 12, the detecting wheels 6, 7, 8, to the right, but axial movement cannot occur until at the set time the projections 6a, 6b, 7a, 7b, and 8a, 8b enter respective recesses 2a, 2b, 3a, 3b and 4a, 4b. At this time the shaft 9 is moved axially and its end 9a operates switch contacts or an indicator device such as a bell. The switch may control a radio or television set. As shown in Fig. 3 switch contacts 33a, 33b are held open by a detent mechanism as in Specification 1,393,109. Manual depression of button 44 lifts detent 31 over a pin 32 and latches the plate 30 and contact 33b in the position shown until shaft 9 moves axially and its end 9a impinges on detent 31; detent 31 is flexibly pivoted at 36 and is thus moved clear of pin 32 to allow spring 37 to restore plate 30 to the left and close contacts 33a, 33b. At the same time a shaft-restoring member (34, Figs. 4 and 5, not shown) also pivoted on pin 36 is pulled downwardly camming shaft 9 by an inclined portion (34a) back to its initial position, thereby freeing the detecting wheels, and the timer is ready for resetting.
Patent GB-1062729-A (GB)
Title: Lightweight building material
IPC: C04B28/18
Filed: 1965-12-13
Abstract: Lightweight building material is made by the method of the parent Specification, but the white lime used is one in which the amount having a grain size of 5m  or less is less than 5%, preferably less than 1%, of the whole.
Patent GB-1212958-A (GB)
Title: Metallurgical converter
Inventor: DEMAISON RAYMOND JULES
IPC: C21C5/44
Filed: 1969-10-28
Abstract: 1,212,958. Metallurgical converters. QUIGLEY CO. Inc. 28 Oct., 1969, No. 52849/69. Heading F4B. The lining for a metallurgical converter comprises two groups of basic refractory bricks, the first group being disposed at intervals and between the bricks of the second group, the inwardly-directed hot faces of said first group bricks being recessed with respect to the corresponding surfaces of said second group, and a protective basic refractory coating material adhered to said inwardly-directed faces of the bricks. The material for the bricks and also for the refractory coating comprises chrome, dolomite, magnesite, periclose, zirconium, or a combination thereof.
Patent GB-1117569-A (GB)
Title: Device for the machining of trochoidal copying templates
Inventor: LISSNER HANS-JURGEN
IPC: B23Q27/00
Filed: 1966-11-25
Abstract: 1,117,569. Grinding. TECHNISCHE UNIVERSITAT DRESDEN. 25 Nov., 1966, No. 52927/66. Heading B3D. A device for the machining of a trochoidal copying template 1 comprises a shaft 6 having an eccentric on which is a pinion 4 engaging an internally toothed wheel 5 in a housing 3 concentric with the shaft 6, the pinion being concentrically connected with a table 2 for the template. The template is machined by a grinding wheel 12 on a stationary axis. The table 2 is supported by balls 7 in a cage 8 between eccentric rings 9, 10 the balls running on the surface of the housing 3 which is formed with the internally-toothed gear 5. The ratio of the gearing is 1 : 2 so that as the shaft 6 rotates the table in a circular path in one direction, the table is rotated about the eccentric in the opposite direction and the template is formed with a trochoidal shape. The template is used in a machine for forming the trochoidal sliding surface in the housing of a rotary piston engine.
Patent GB-1595984-A (GB)
Title: Process for the continuous dyeing in one bath of blended fabrics of polyester fibres and wool fibres
IPC: D06P3/14
Filed: 1977-12-21
Abstract: For dyeing mixed fabrics of carrier-free dyeable polyester fibres and wool with dispersion dyes and leuco vat ester dyes, the textile material is padded with an aqueous dyeing liquor containing the two dye classes and, after an intermediate drying, is thermosol-treated at temperatures of 160 DEG  to 180 DEG C in order to fix the dispersion dye. After wet-developing the vat dye from the leuco-ester, the textile material thus treated is subjected to a brief passage through an aqueous bath, at 30 DEG  to 40 DEG C, containing 5 to 10 ml/l of concentrated sulphuric acid and 0.2 to 0.5 g/l of sodium chlorite and is then exposed to skying at room temperature for up to 1 minute. The process may be carried out semi-continuously or continuously.
Patent GB-1128702-A (GB)
Title: Production of cube-on-edge oriented silicon-iron
IPC: C23C24/00
Filed: 1965-12-16
Abstract: 1,128,702. Grain-oriented silicon-iron. ARMCO STEEL CORP. Dec. 16, 1965 [May 19, 1965], No.53422/65. Addition to 1, 095, 903. Heading C7A. Cube-on-edge oriented silicon-iron stock containing 2-3.5% Si and . .03-.15% Mn is produced according to the parent invention wherein the quantity of S in the external source is proportioned to the quantity of Mn in the stock and to the final gauge of the stock according to the shaded areas of the charts in Figs.3 to 7 (not shown). The hotrolled stock may be reduced to final gauge e.g. 2-16 mils in a single cold rolling stage with 65-85% reduction or in at least two stages of cold rolling with 60-80% reduction in the final stage. The stock may contain . 025-. 027% C. As in the parent invention, the S may be added in the decarburizing atmosphere e. g. of H 2  or to the annealing separator e. g. of MgO as the element, as FeS or other S compounds.