baber/WOPTO huggingface dataset:
Patent GB-1018646-A (GB)
Title: Improvements in or relating to semiconductor devices and to electric circuits incorporating such devices
Inventor: EASTER BRIAN
IPC: H01L23/488
Filed: 1963-11-01
Abstract: 1,018,646. Tunnel diode amplifier circuits. GENERAL ELECTRIC CO. Ltd. Oct. 30, 1964 [Nov. 1, 1963], No. 43222/63. Heading H3T. [Also in Division H1] Input signals are fed via a circulator to one end of a two-conductor transmission line, which at its other end is connected across a tunnel diode in parallel with a tuning element (consisting of an appropriately-terminated length of two-conductor transmission line) which resonates with the diode at a desired frequency. The diode is biased to exhibit a negative resistance of the same magnitude as the characteristic impedance of the transmission lines (about 50 ohms). Also connected across the diode is a stabilizing element consisting of a band-stop filter, formed from a length of two-conductor transmission line provided with a tuning stub spaced from the diode by about a quarter of a wavelength, terminated by a resistive load. One electrode of the diode has two separate leads connecting it to two separate terminals (see Division H1), one of these terminals being connected to the stabilizing element and the other to the tuning element and the input line.
Patent GB-1321448-A (GB)
Title: Desalination plant
IPC: C02F1/04
Filed: 1970-09-10
Abstract: 1321448 Distillation apparatus of the vapour compression type; desalination of water AUSCOTENG PTY Ltd 10 Sept 1970 [11 Sept 1969] 43330/70 Heading BIB Saline water is desalinated by distillation in an apparatus wherein the vapour evolved in an evaporator 1 is compressed by blower 13 and then condensed in condenser 2 which is disposed in the water-space of the evaporator, a water-sealed, gear-type vacuum pump 10 withdraws condensate (i.e. desalinated water) and air from the condenser, and another watersealed, gear-type vacuum-pump 8 removes residual dense brine and air from the evaporator. The vacuum maintained in the evaporator is such that the water boils at temperatures no greater than ambient temperature. The water to be desalinated (raw brine) flows from tank 18 through heatexchanger 3 wherein the raw brine is preheated by the dense brine and product water; the raw brine then flows through line 20 and heat-exchangers 4, 5 to air-separation chamber 6 which is connected to vacuum pump 8 via line 7. The preheated and partially deaerated raw brine then enters evaporator 1, the flow rate being controlled by valve 14 in relation to the vacuum existing in evaporator 1.
Patent GB-1325553-A (GB)
Title: Apparatus for developing latent electrographic images with liquid ink
IPC: G03D5/00
Filed: 1970-09-10
Abstract: 1325553 Liquid developing apparatus VARIAN ASSOCIATES 10 Sept 1970 [15 Sept 1969] 43387/70 Heading G2H Developer liquid is pumped from a reservoir (25), Fig.2, (not shown) through conduits 23, 27 to a trough 21 from which it passes through apertures in a rotating development electrode drum 15 (or endless band 62) Fig. 3 (not shown) on to a latent image bearing web 4. As shown web 4 is fed by belts 38 into contact with an electrically biased, stainless steel drum 15, is stripped by teeth 52, squeeged at 53 and then blown dry. Wipers 51 clean the belts 38.
Patent GB-1382837-A (GB)
Title: Manufacture of patterned glass
IPC: C03B18/02
Filed: 1971-09-17
Abstract: 1382837 Patterned glass PILKINGTON BROS Ltd W R MALTMAN and C R HOWARD 13 Sept 1972 [17 Sept 1971] 43507/71 Heading C1M Patterned glass is produced by supporting glass (e.g. ribbon 32 on molten tin alloy bath 10), at a temperature at which it is electrically conductive (e.g. 650-850 C.), contacting the glass surface 33 with a body 37 of molten material located on a member 31 whose shape is progenitive of the desired pattern, effecting relative movement between the glass and the molten body, and electrically engendering ionic migration from the molten body 37 into the glass surface in a defined time period related to the relative speed of the glass so as to produce the desired surface pattern. Preferably the molten body is the anode and molten tin alloy 10 the cathode, the circuit being periodically "energized" to cause ionic migration by a switched electric current supply circuit (Figs. 10-14; not shown). Various patterns are described, one of which is shown in Fig. 2. A protective reducing atmosphere of 90% (by volume), N 2 , 10% (by volume) H 2  may be employed. Materials for the locating member 31 and the molten material 37 are respectively Cu (bar 31) and an 8% Cu, 92% Bi alloy (37); Ag bar and 62% Ag, 38% Bi alloy; Co bar and 3% Co, 97% Bi alloy; Ni bar and 9% Ni, 91% Bi alloy; Ru bar and Pb metal; and Fe bar and In metal (alloy percentages by weight).
Patent GB-1367323-A (GB)
Title: Electromechanical transducer and housing
IPC: G01L9/00
Filed: 1971-09-18
Abstract: 1367323 Measuring force electrically KULITE SEMICONDUCTOR PRODUCTS Inc 18 Sept 1971 43614/71 Heading G1N A force transducer comprises a silicon diaphragm 20, Fig.1 with four Piezo-resistive elements 10-13 diffused into the surface over a central, active area 14, and attached to contact lead areas 17-23 terminating outside the active area. The diaphragm is mounted at one end of a cylindrical housing 30, Fig. 4 and leads from the elements are taken through radial grooves 31 and longitudinal grooves 32 in the housing 30 to a socket at the other end. The elements are connected into a bridge network whose output is proportional to the magnitude of a force applied to the face of the diaphragm. In another embodiment Fig. 6 the test force acts on a cantilever beam 60 of silicon containing one or more Piezoresistlve elements 61. The leads are fed through holes in a support 63 to contact areas 64 in the non-active area of the beam.
Patent GB-1508540-A (GB)
Title: Control pulse generators
IPC: H03K3/64
Filed: 1976-10-20
Abstract: 1508540 Pulse generators SIEMENS AG 20 Oct 1976 [21 Jan 1976] 43630/76 Heading H3P A circuit RG for producing control pulses on outputs A1, A2...AN and comprising a cascade of monostable delays MP1, MP2... MPN is provided with means for inhibiting operation if the aggregate of the delays is not substantially equal to the period of the master pulse generator G. Pulses from G are only allowed to pass from G through flip flops FP1, FP2 and monostable delay MP0 to the input of RG if they coincide with a pulse from monostable MPZ which temporarily removes a permanent reset on flip-flop FP1. If coincidence is lost, the circuit stops operating. To prevent the accuracy of the system deteriorating unnoticed due to lengthening of the pulse from MPZ, this pulse is also connected to the date input of flip flop FP2. If it is still present when the clock pulse arrives after delay in MP0, it prevents resetting of FP2 and transmission of the pulse to RG. Operation is initiated by a switch TT which sets a further flipflop FP3 which by-passes FP1.
Patent GB-1525230-A (GB)
Title: Surgical suture packs
IPC: B65D75/54
Filed: 1975-10-09
Abstract: 1525230 Wound suture packs NEEDLE INDUSTRIES Ltd 9 Oct 1975 [9 Oct 1974] 43720/74 Heading B8M A suture pack comprises a carrier made of cardboard or other sheet material and having a base part 4 and a mounting part 10 separated by a fold line F, the assembled pack, Fig. 2, having a suture 18 wound around the mounting part, which part is in face-to-face relationship with the base part and engages in an aperture 6 in the base part, thereby restricting withdrawal of successive turns of the suture. The trailing end of the suture is inserted into a slot 12 extending along the fold line and the leading end provided with a needle 2 is inserted into a slot 16 in the end portion of the carrier. The pack may be enclosed in a sterilizable blister pack, the carrier with the suture thereon being located in a first enclosure 36 and the leading end of the suture and the needle in a second enclosure 38 which may be opened by tearing along a tear line 40. In a modification, Fig. 4 (not shown), the mounting part of the carrier engages in recesses (6a) in the base part. In Fig. 5 (not shown) the mounting part (10b) and the base part (4b) are not integral, but connected together by pins, and the mounting part engages in a single recess (6b) in the base part.
Patent GB-1441539-A (GB)
Title: Fast reactor of the liquid sodium cooled type
IPC: G21C15/02
Filed: 1974-10-09
Abstract: 1441539 Sodium-cooled integrated fast-reactor with siphon COMMISSARIAT A L'ENERGIE ATOMIQUE 9 Oct 1974 [18 Oct 1973] 43768/74 Heading G6C In a sodium-cooled, integrated, fast-reactor of the type comprising a main reaction vessel 10, Fig. 1, in which hot sodium 21 enters a primary heat exchanger 26 and is returned beneath a shell 24 as cold sodium 22 which is then re-circulated by pumping through a passage 28 into a lower portion of the reactor core fuel assemblies 12, there is provided at least one assembly of cylindrical shells 50, 52, 56 Fig. 2, co-axial with the reaction vessel 10 and so arranged as to form a two-branch siphon interposed between the hot sodium 21 and the main vessel wall 10 in at least the upper portion of the vessel, the two branches 58 and 60 of the siphon being directed towards the bottom of the reactor with the branch 58 being supplied with cold sodium. Cold sodium is also uspplied to an annular space 72. The siphon is started by applying a negative pressure of argon in a chamber 62 through pipes 66, 66<SP>1</SP> and an annular manifold 68. Self-regulation of the sodium level in the chamber 62 in response to reactor power variations is effected by virtue of the fact that when the level of the hot sodium rises the argon in the chamber 62 is compressed and limits the rise in the level of the cold sodium and when the hot sodium level drops the reduction in pressure of the argon limits the drop in level of the cold sodium. This action prevents the creation of a deep stagnant layer of sodium above the top 54 of the shell 52 which layer can become hot with heat rediated from the hot sodium 21. In another embodiment, Fig. 4 (not shown), one arm of the siphon is constituted in part by the wall of the main vessel and the annular space 72 is omitted. In a further embodiment (Fig. 3, not shown) the siphon is again started with a negative pressure of argon but thereafter no argon is allowed to remain in the siphon and the creation of a stagnant layer of sodium is prevented by arranging for the bend of the siphon to be sufficiently narrow.
Patent GB-1261993-A (GB)
Title: Improvements in or relating to a multiple spindle drilling unit
Inventor: GANNER HERMANN
IPC: B27C3/06
Filed: 1969-09-04
Abstract: 1,261,993. Multi-spindle drilling machine; machine tool details. H. GANNER. 4 Sept., 1969 [16 Sept., 1968], No. 43867/68. Headings B3B and B3C. A multi-spindle drilling machine for drilling holes in wooden workpieces 28, 28<SP>1</SP>, 29, 29<SP>1</SP>, Fig. 1, comprises four drilling heads 15, carried by a slide 2 movable in a guideway 31, the slide being adapted to be clamped in a required position along the guideway by a clamp 4. The drills are fed through heads 15 by mechanical, hydraulic, pneumatic, or electric means, and are driven by a worm and wheel drive 17-19. The workpieces are clamped on supports 30, 6, by clamps 5. In a modification, the machine consists of two drilling units whose drive shafts 17, Fig. 2, are driven from the same motor, each unit comprising two drills 22, 23, or 24, 25. The drills (13<SP>1</SP>), (14<SP>1</SP>) of each unit, Fig. 3 (not shown), are axially aligned. In a further modification, slide (50), Fig. 5 (not shown), is of H-section and supports four drills. In another modification, a plurality of slides 50, Fig. 6, are movable along a drive shaft 16. (For Figures see next page.)
Patent GB-888717-A (GB)
Title: Fire extinguishing system
IPC: A62C13/00
Filed: 1959-12-24
Abstract: 888,717. Fire-extinguishing systems. KRONENBURG N.V. GEB. Dec. 24, 1959 [Aug. 19, 1959], No. 43883/59. Class 47. A fire extinguishing system comprises an extinguishing powder storage tank TB, a high pressure gas tank TN and an auxiliary tank TE to which the storage tank is rapidly connected to loosen the powder by expansion shock, prior to its expulsion for discharge purposes; and electro-pneumatically operated valves controlling the orifices in the tanks automatically during operation of the system once the operations have been manually initiated. The tanks are inter-connected via fluid valves 2, 5, 6, 9, 10 and 13 operated by fluid servos 2a, 5a, 6a, 9a, 10a and 13a controlled by electro-fluid valves 2b, 5b, 6b, 9b, 10b and 13b with fluid from the gas tanks TN stored in a tank TS. There are manual valves for controlling the discharge of the fire extinguishing material at 11 and 12, the latter leading to hose drums. In operation tank TS and pipe Ll are pressured when the valves 21 are opened manually by handle 1. On closing a starting switch manually, valve 2 is opened pressurising tank TB to 13 atm., when switch VII (Fig. 2, not shown) closes it and opens valve 6 allowing the gas in tank TB to expand rapidly into tank TE, thus loosening the powder as mentioned above. Valves 2, 9 and 10 are opened and valve 6 remains open when switch II closes on the pressure in tank TE reaching 6 atm.; the manual outlet valves 11 and 12 may then be opened. Valves 2, 6 and 9 are closed and valve 13 is opened to relieve tank TE when the manual stop switch is opened. Switch II closes valves 10 and 13 when the pressure in TE reaches 1“ atm. For flushing the tanks a further switch closes, whereby valve 9 is closed, valve 5 allows a passage between pipes L1 and L2, valves 6, 10 and 13 are opened so that tank TE and pipes L1, L2, L6 and L3 are flushed via one of the manual valves 11 or 12, when valve 2 is opened. Switch I closes valves 2, 5, 6, 10 and 13 when the pressure in L1 is 1“ atm.
Patent GB-1061564-A (GB)
Title: Improvements in or relating to pneumatic tyres
Inventor: BARBER RONALD JESSE
IPC: B60C11/24
Filed: 1962-11-11
Abstract: 1,061,564. Pneumatic tyres. DUNLOP RUBBER CO. Ltd. Nov. 7, 1963 [Nov. 22, 1962], No. 44115/62. Heading B7C. A pneumatic tyre comprises a carcass 2, a tread strip 5 and a textile rope 4, which constitutes a wear-indicating means, embedded in the tread rubber, extending along the mid-circumference of the tread and encircling the carcass 2. The rope is formed of " Terylene " (Registered Trade Mark) or cotton so that when the tread is worn away the rope frays. The tyre is built on a former by consecutively applying the carcass 2, a pair of steel cord breaker layers 3, the rope 4 and finally the rubber sidewall and tread strip 5 which is provided with a mid-circumferential groove 6 to accommodate the rope. The tyre is then moulded and vulcanized. The rope 4 may be fitted into the groove 6 before assembly of the tyre.
Patent GB-1173536-A (GB)
Title: Device for Determining Temperature Differences Between Points on an Object Depicted By Means of an Infrared Camera on the Picture Screen of a Cathode Ray Tube.
Inventor: OLSSON TORE BERTIL REINHOLD
IPC: G01J5/10
Filed: 1968-09-18
Abstract: 1,173,536. Infra-red television. BOFORS A.G. 18 Sept., 1968 [26 Sept., 1967], No. 44425/68. Heading H4F. Specification describes an infra-red television temperature measuring system wherein an infra-red camera views a scene and the video signals are fed via amplifier apparatus to a display tube. The amplifier apparatus comprises temperature calibrated amplification controls whereby signals of a level corresponding to a certain temperature are amplified to a higher degree than levels corresponding to other temperatures and said controls determine said first level. The invention is concerned with the determination of very small temperature differences between points, the temperatures being anywhere within a wide range. The controls therefore comprise two potentiometers R1 and R2 connected in parallel to a D.C. source, the wiper position of potentiometer R1 being calibrated in positive and negative degrees either side of a central zero point. The outputs of the potentiometers are summed at S, the sum voltage setting said first level. Thus in use potentiometer R1 is set to zero, and potentiometer R2 adjusted until one of the points exhibits an outstanding brightness indicating the setting of said first level to that corresponding to the temperature of said one point. Potentiometer R1 is now adjusted until the second point exhibits said outstanding brightness, the position of the wiper indicating the temperature differences between the two points. If the amplifier is a simple brightness control, potentiometer R2 can be adjusted, with potentiometer R1 set to zero, until one point just appears. Potentiometer R1 is now adjusted until the other point just appears.
Patent GB-976455-A (GB)
Title: Edge moulding
IPC: A47B13/08
Filed: 1963-11-11
Abstract: 976,455. Ornamenting. A. J. BJERKE. Nov. 11, 1963 [Nov. 13, 1962], No. 44470/63. Heading A4U. [Also in Division B8] A resilient edging strip for shelves 1, counters, tables &c. comprises a flat strip 3 provided along the whole length of its lower edge with an integral, curved flange 4 the free edge 5 of which bears resiliently against the surface of the strip 3 whereby a label may be releasably clamped against the strip 3 behind the free edge 5. The strip 3 is of plastics material or sheet metal and may optionally include an enlarged upper portion 6 forming a guard rail on the top of the shelf 1. The flange 4 preferably decreases in thickness towards its free edge 5.
Patent GB-1124701-A (GB)
Title: Method and apparatus for monitoring the torque of an internal combustion engine
IPC: G01L23/02
Filed: 1965-10-20
Abstract: 1,124,701. Measuring torque of an I. C . engine. DRESSER INDUSTRIES, Inc. Oct. 20, 1965 [Dec. 2, 1964], No.44493/65. Heading G1N. [Also in Division G3] The torque developed by an I. C. engine is determined by measuring electrically the mean pressure developed in the cylinders, and subtracting from the signal that part which varies with speed, the remainder being directly proportional to torque. As shown (Fig. 1) a continuously running I. C. engine 10 drives a compressor pump 11. Each cylinder, e.g. 13, of the engine is supplied at its upper end with a long, thin tube 31 connected to a pressure transducer 36. The tube has a long time constant to gas flow and acts as a pressure averaging device. The pressure signals from all the cylinders C1 - C8 (Fig. 4) obtained from the individual transducers T1 - T8 are summed across a resistor 51 to give a signal e, representing the mean time pressure of the I. C. engine. A signal e 2  proportional to speed is supplied by a tachogenerator 55, and a predetermined proportion Ke 2 , obtained from potentiometer 58, is subtracted from e, to give a torque signal e 3  . Practical methods of adjusting the slider of potentiometer 58 to obtain the factor K are described. The torque signal e 3  is amplified at 63 and indicated on meter 62, an adjustable feedback resistor 65 being used to obtain a reading of 100% when the engine is operating at a selected torque, e.g. the rated torque. The same reading may be obtained at other predetermined torques by introducing selected proportions of an auxiliary voltage E 3  into the input circuit of amplifier 63, by switches 71a - 71f. The 100% torque value selected may be maintained constant by opening or closing clearance pockets on the compressor, thereby varying its volumetric efficiency, effected automatically by switch contacts 75, 76 on to meter 62, located on opposite sides of the 100% mark. The switches are incorporated in a relay circuit Fig. 5 (not shown), and control four way valves 87, 88, 89 for power cylinders 26b, 27b, 28b determining the open or close conditions of clearance pockets 26, 27, 28.
Patent GB-1026362-A (GB)
Title: Improvements in or relating to nitrogen-containing organosilicon compounds
IPC: C07F7/18
Filed: 1963-11-12
Abstract: The invention comprises quaternary imidazolinyl silane salts of general formula (R1O)3- bSi(R11)b[RZ.AB] and siloxanes containing units of the general formula <FORM:1026362/C3/1> wherein Z is <FORM:1026362/C3/2> or <FORM:1026362/C3/3> R1 is a monovalent hydrocarbon radical free from aliphatic unsaturation, R11 is a monovalent saturated hydrocarbon radical, R is a divalent saturated aliphatic hydrocarbon radical, there being at least two carbon atoms between Z and the silicon atom, Y is hydrogen or a monovalent hydrocarbon radical, A is alkyl, aralkyl or cycloalkyl radical, B is a halogen atom and b is 0 to 3.  The silane salts are prepared by reacting the corresponding imidazolinylalkyl-silane with a halohydrocarbon. The siloxanes may be homopolymers or copolymers containing units of the formula <FORM:1026362/C3/4> wherein x is 1 to 3, in addition to the above units.  Homopolymers may be prepared by (1) hydrolysing the corresponding imidazolinyl-alkylsilane quaternary salt or by reacting an imidazolinylalkylsiloxane with a halohydrocarbon. Copolymers may be prepared by heating a quarternary halide of an imidazolinyl-alkyl-siloxane with a linear or cyclic siloxane or by reacting a quaternary halide of an imidazolinylalkylsilane which contains at least one silicon bonded OR1 radical with a conventional hydroxyl-containing siloxane, or by reacting a monohalohydrocarbon with a copolymer containing siloxane and imidazolinylalkylsiloxane units.  The examples describe the preparation of <FORM:1026362/C3/5> <FORM:1026362/C3/6> <FORM:1026362/C3/7> <FORM:1026362/C3/8> and (2) their hydrolysis to their corresponding siloxanes.  Exampl (3) describes the preparation of a dimethyl siloxane polymer end-blocked with units of the formula <FORM:1026362/C3/9> Uses.-Antistatic agents for organic articles.
Patent GB-1484150-A (GB)
Title: Tube fittings
IPC: F16L19/14
Filed: 1974-10-15
Abstract: 1484150 Pipe couplings IMPERIALEASTMAN CORP 15 Oct 1974 [2 Jan 1974] 44695/74 Heading F2G A fitting for a tube T comprises a body member 11, having a bore 17 and an internally screw-threaded portion 18, and an element 12 having a bore 16 and including a nut 14 with a screw-threaded portion 19 for co-operation with the portion 18, and a sleeve 13 connected to the nut by a frangible connection 15, the body member being formed with a cylindrical recess 23 to support and centre the end of the tube T during assembly of the fitting, and a frustoconical cam surface 20 to engage with the sleeve 13 and to deform it inwardly on to the tube T as the nut 14 is screwed into the body member 11, this action also breaking the frangible connection 15. A radial shoulder 25 on the body member 11 limits insertion of the tube T, and if the tube T is of plastics material it may be fitted before insertion into the fitting with a tubular insert (not shown) having a radial flange at the tube end to abut the shoulder 25 and fit within the cylindrical recess 23.