baber/WOPTO huggingface dataset:
Patent GB-1497755-A (GB)
Title: Nuclear reactor core cover plug
IPC: G21C1/03
Filed: 1975-08-15
Abstract: 1497755 Nuclear reactors COMMISSARIAT A L'ENERGIE ATOMIQUE 15 Aug 1975 [29 Aug 1974] 34082/75 Heading G6C A plug for a liquid metal-cooled fast nuclear reactor comprises a top plate 16, a vertical cylinder 17 having struts 19, 20 and a thick cover plate 23 arranged above the reactor core 1; according to the invention the cylinder 17, the struts 19, 20, and the cover plate 23 are provided with holes 18 1  ... 18 5 , 21, 22, 24 respectively, to allow the liquid coolant 4 to flow inside the plug and so prevent overheating of the core cover plate and the other components of the plug. Tubes 26 1  . . . 26 3 , 27 for central rod mechanism may also have apertures 34 and be discontinuous at the liquid metal level. Thermocouples may be connected through tubes 29.
Patent GB-816584-A (GB)
Title: Improvements in or relating to penetrant compositions
IPC: C23G1/24
Filed: 1956-11-08
Abstract: A penetrant composition for loosening rusted nuts and bolts &c comprises 50 to 95 per cent of water, 0.5 to 5 per cent of a water-soluble wetting agent and 2.85 to 35 per cent of ammonia, an alkanolamine, an alkanolammonium hydroxide or an ammonium salt of a hydroxy aliphatic carboxylic acid, based on the total weight of the above-mentioned constituents, and optionally 5 to 25 per cent of a C5 or lower saturated alcohol on the same basis. Wetting agents mentioned are alkali metal alkyl aryl sulphonates, many examples being given of sodium alkyl benzene, toluene, xylene, diphenyl, phenyl phenol and naphthalene sulphonates, alkali-metal salts of sulphated alcohols, e.g. sodium dodecyl, tetradecyl or oleyl sulphate, polyoxyalkylated ethers of alkyl phenols or fatty alcohols, e.g. the reaction product of an alkyl phenol with ethylene oxide or 10-polyoxyethylene monostearate and the sodium salt of ethylene diamine tetra-acetic acid, but it is stated that any water-soluble wetting agent may be used provided it is non-acidic.  Suitable alkanolamines include mono-, di- and triethanolamine and isopropanolamine and a commercial polyamine of probable formula <FORM:0816584/III/1> where x+y+z is at least 4.  Suitable ammonium compounds are ammonium hydroxide, citrate, tartrate and ricinoleate, and tetra-ethanol or isopropanol, ammonium hydroxides.  Alcohols suitable for inclusion in the compositions as anti-freeze agents are methyl, ethyl, propyl and butyl alcohols and ethylene, diethylene and propylene glycols.  Other optional ingredients are rust inhibitors, such as the dimeric and trimeric acids produced by the condensation of 16 to 18 carbon unsaturated aliphatic monocarboxylic acids or hydroxy aliphatic monocarboxylic acids, and dyes, e.g. nigrosine. There are several examples which contain water; sodium dodecyl or ethyl benzene sulphonate; ammonium hydroxide, ammonium citrate, tetraethanolammonium hydroxide, monoethanolamine or the commercial polyamine described above; methanol, butanol, isopropanol or ethylene glycol; linoleic acid dimer in naphtha; and nigrosine dye.
Patent GB-1057492-A (GB)
Title: Process for production of benzodiazepine compounds
Inventor: BELL STANLEY CHARLES
IPC: C07D243/24
Filed: 1963-08-29
Abstract: 3 - Acetoxy- and 3-hydroxy-5-monocyclic aryl - 1,3 - dihydro - 2H - 1,4 - benzodiazepin-2-ones are prepared by reacting an appropriate 5-monocyclic aryl-1,3-dihydro-2H-1,4-benzodiazepin-2-one 4-oxide with isopropenyl acetate or ketene, optionally followed by hydrolysis or hydrolysis and introduction of a hydrocarbon substituent at position 1.  The term "aryl" is used in the broad sense of an aromatic radical, and includes heteroaryl and substituted aryl radicals.
Patent GB-832697-A (GB)
Title: Improvements in or relating to electrical measuring device
IPC: G01R27/02
Filed: 1956-11-08
Abstract: 832,697. Capacitance, inductance and resistance measurements. FYFE, R. L. Nov. 7, 1957 [Nov. 8, 1956], No. 34199/56. Class 37. An electrical instrument for measuring resistance, inductance and capacitance comprises a low impedance source 10 of alternating voltage; switching means S3, S4 to connect in series across the voltage source a selected known component R, L, or C with an unknown component X to be measured; and a valve voltmeter 11 connected across the known or the unknown component; whereby the resistance, inductance, or capacitance of the unknown component is measured in terms of that of the known component; the voltage source being initially adjusted to produce full scale deflection of the voltmeter when connected across both the known and unknown components in series. A 16 kc/s. oscillator 10 supplies 1 volt R.M.S. to transformer primary 12, the secondary of which is connected across potentiometer R3 to provide an adjustable output voltage across the known and unknown components connected in series, by rotary switches S3, S4, between the upper end of R3 and earth; the unknown component X being earthed for resistive and inductive measurements, and the known component earthed for capacitive measurements. The voltage developed across the earthed component is fed to the grid of pentode V2 of the voltmeter to provide an indication on micro-ammeter A, the scale of which may be calibrated to directly indicate the ratio of the known to the unknown impedance. For iron cored inductors of large self capacitance, an alternative low frequency alternating voltage source provided by a mains transformer tapping T may be selected by ganged switches S1, S2.
Patent GB-867724-A (GB)
Title: Improvements in and relating to appliances for cutting, chopping and/or raising fromthe ground forage or other agricultural crop and the like
Inventor: WILDER JOHN HERBERT WYNDHAM
IPC: A01D43/08
Filed: 1958-10-27
Abstract: 867,724. Forage harvesters. WILDER Ltd., JOHN. Nov. 10, 1959 [Oct. 27, 1958], No. 34291/58. Class 6(3). A forage-harvester, of the kind having a horizontal rotor 4 carrying flails 8 which cut and lift the standing crop and discharge the cut crop either rearwardly on to the ground or upwardly through a shoot 13 into a trailer (not shown), is characterised in the provision of an arcuate shield 17, around the rotor, which may be secured detachably either in a position to prevent upward discharge (full lines) so that the material is discharged back on to the ground, or to permit discharge up the shoot (dotted lines). The shield subtends approximately a quadrant so that in the first position it is bolted at 18, 20 to the front and rear of the shoot and in the second position it is bolted to the rear of the shoot, at 20, and to a cross-member 21 of the main frame 1. In the second position it may be guided between curved shoulders 22 on the side-walls of the rotor casing. A hinged deflector 23 is adjustably mounted above the rear of the rotor for use when the crop is to be returned to the ground. The machine is towed by a tractor which drives the rotor through a jointed shaft 5, gearbox 6 and belt-drive 7. The main frame has rear wheels 2 and a drawbar 3. The upper end of the shoot 13 terminates in a pivoted deflector 13a. Specifications 816,421, 816,422, 846,118 and 864,782 are referred to.
Patent GB-1143315-A (GB)
Title: Improvements in or relating to thermostatically operated valves
IPC: G05D23/12
Filed: 1967-07-26
Abstract: 1,143,315. Valves. DANFOSS A.S. 26 July, 1967 [17 Aug., 1966], No. 34293/67. Heading F2V. A thermally responsive valve has a housing for the actuating system in the form of a metal tube 9 which is clamped at it lowers end 10 to the valve housing 4 and is in contact with the thermally responsive element 14 at its upper end. The tube 9 is formed with opposed longitudinal slots (11) through which project an abutment 12 for the element loading spring 26. The abutment is in screw-threaded engagement with a rotary adjusting knob 22 that is supported at its upper end by a flange 23 abutting a flange 21 of a cup shaped clamp 20 which passes above the element 14 and by means of an inner rim 19 engaged in a groove (18) of the tube resiliently holds the latter against the element 14. A dial plate 28 seals the knob 22 and is provided with two stops on two rings 29, 30 which co-operate with stop 31 on clamp 20 to limit rotation of the knob 22.
Patent GB-668523-A (GB)
Title: Improvements in mechanisms for assembling box blanks
IPC: B31B50/50
Filed: 1947-12-29
Abstract: 668,523. Making boxes. BEMISS-JASON CO. Dec. 29, 1947. [April 7, 1947] No. 34337/47. Class 18. in a die and plunger mechanism for forming box trays from cardboard &c. blanks of the kind shown in Fig. 1 wherein flaps 154 interlock with the sides 158 by edge to edge engagement of cuts in the flaps with cuts in the sides, elements are provided on the plunger and movable relatively thereto to draw points such as 160, Figs. 1, 7 on to the inside of the box through cuts 165. In the embodiment described in the Specification as accepted, the plunger 42 carries hook portions 310, Figs. 12, 14 carried by pivoted levers 307, the movement of the hooks being controlled by the passage over folding surfaces 202 of the die, of rollers 309 carried by the levers 307. As folding elements 201, 204 and then 206 of the die fold up the box ends 153 and turn inwardly the flaps 154, these flaps enter behind the hooks 310 which have forced outwardly tongues 162 in the sides 158. Inward movement of the hooks pulls the points 160 into the box. The die comprises two identical halves 171, 172 held together by springs 174 against stops 176. The elements 206 are spring-loaded and strip the box from the plunger when the latter returns upwardly. Specifications 642,446 and 23274/12, [Class 18] are referred to. In the Specification as open to inspection under Sect. 91 die and plunger mechanism is described for folding blanks such as shown in Fig. 1 and also blanks of similar structure but wherein points 160 are not drawn into the inside of the box, the dies being similar to that described above but having portions cooperating with buttons or like projections on the plunger for forcing outwardly tongues such as 162 for the reception of the flaps 154. This subject-matter does not appear in the Specification as accepted.
Patent GB-1474441-A (GB)
Title: Dispersed rosin
IPC: C09K23/12
Filed: 1974-08-05
Abstract: 1474441 Dispersed rosin for paper sizing MONSANTO CO 5 Aug 1974 [6 Aug 1973] 34373/74 Heading C4D [Also in Division D1-D2] An aqueous dispersion of rosin material which is stabilized by the presence in the dispersion of an alkali metal or ammonium alkyl benzene sulphonate, may be used for the internal or surface sizing of paper. The dispersion is prepared by emulsifying a mixture of the molten rosin material, alkyl benzene sulphonate and water, and cooling the emulsion below the solidification temperature of the rosin by passage through a heat exchanger under sufficient pressure to prevent the product flashing. The rosin material may be wood rosin, gum rosin or tall oil rosin in a crude or refined state, and the term further includes pure abietic acid, disproportionated, hydrogenated, polymerized and modified and/or fortified rosin. Fortification may be by adducting with maleic anhydride or acid of fumaric acid, and modification by reaction with formaldehyde. A preferred rosin material contains 70% free tall oil rosin and 30% of adducted rosin, and has an acid number of 235. The water is preferably de-ionized. For internal sizing, the dispersion may be added between and including the intake side of the fan pump and head box of a papermaking machine.
Patent GB-1273589-A (GB)
Title: Plastics encapsulated semiconductor devices
Inventor: OVERMAN JAMES HOWARD
IPC: B29C45/00
Filed: 1969-07-09
Abstract: 1,273,589. Injection moulding. TEXAS INSTRUMENTS Inc. 9 July, 1969 [15 Aug., 1968], No. 34600/69. Heading B5A. [Also in Division H1] A plurality of semi-conductor devices 20 are mounted on separate supports attached to a common support frame 10, the electrodes of each device are connected to leads attached to a common lead frame 12, e.g. by jumper wires 22, 24, and the devices are encapsulated in plastics material using a single cavity mould. Finally the individual devices are separated by shearing the tie bars of the lead frame 12 and sawing the plastics encapsulant and the support frame 10, the separated supports of which may constitute heat sinks for the devices 20, which may be power transistors, integrated circuits, &c. Prior to insertion into the single cavity mould the devices 20 are chemically cleaned and protected by an applied coating of silicone rubber. The final encapsulant may be a thermosetting silicone plastics. Concentric grooves 28, 30 on the support surfaces restrict flow of the coating material, and locking lugs on the support edges key to the plastics envelope to lock it in place. Suitable materials for the lead and support frames are Al, plain, clad or plated, Agcoated Cu or Ni-coated Cu. A single cavity moulding apparatus is described, the mould including means for clamping the support frame/lead frame/device assembly within the cavity by holding pins 84, Fig. 9, which extend through the lead frame 12, flashing on the support frame 10 being prevented by a sealing strip 82 which bites into the material of the frame 10 when the mould is closed. Rods 86 extending slidably into the mould cavity through apertures in the lower mould half 72 free the encapsulated assembly from the cavity after moulding. Curing of the injected encapsulant at 150-175 C. is carried out partly in the mould and partly in an oven prior to separation of the assembly into discrete devices.
Patent GB-989925-A (GB)
Title: Improvements in or relating to diaper tabs
IPC: A41B13/08
Filed: 1963-09-02
Abstract: 989,925. Shirts. WILLIAM CARTER CO. Sept. 2, 1963 [Sept. 4, 1962], No. 34624/63. Heading A3V. An infant's shirt comprises a diaper tab attached to the shirt, the tab having transverse spaced bands impregnated through the thickness of the tab with waterpoof impregnant. Diaper tabs 12, 14 made of textile fibres are sewn to an infant's shirt 10 at one end. Each diaper tab comprises a strip of woven material with end sections 24, 26 and wide strips 20, 22 impregnated with waterproof material which extends through the thickness of the tab. The tabs may be treated with a water-repellent material. The tabs may have eyelets 28 for snap fasteners or for pinning. Specification 970,529 is referred to.
Patent GB-638115-A (GB)
Title: A gauge for the accurate measurement of linear dimensions
IPC: G01B7/13
Filed: 1947-12-30
Abstract: 638,115. Electric dimensional measurement. SKODA WORKS, NATIONAL CORPORATION. Dec. 30, 1947, No. 34652. Convention date, Oct. 15, 1941. [Class 37] [Also in Group XXXVIII] Fig. 1 shows a capacity plug gauge having a cylindrical steel body A around which four insulated electrodes b<1>-b<4> are mounted at 90 degree intervals. The diameter dk over the electrodes is accurately dimensioned and ends B are made oversize to act as guides. Each electrode is connected through screened leads S to a capacity measuring device, which is also connected with the work through the measuring table. From measurements of the capacities between the work and the several electrodes, the dimensional clearance between the accurate over-electrode dimension dk and the aperture in the work may be determined, and the diameter of the aperture gauged. In modifications (Figs. 2, 3, 4, not shown), the invention is applied to ring and caliper gauges, and a plug gauge having a single measurement axis.
Patent GB-429941-A (GB)
Title: Improvements in or relating to taps or cocks
IPC: B67D3/04
Filed: 1933-12-09
Abstract: 429,941. Plug cocks. BARNES, F. J. T., 184, Breakfast Creek Road, Newstead, Brisbane, Australia. Dec. 9, 1933, No. 34665. [Class 135] A tap, for liquids, has a hollow plug 10 turnable in a socket 12 with a lining 17 of rubber, or like resilient material, interposed. When the tap is in the open position, liquid from a pipe 13 passes through holes 20, 15 in the lining and plug and is delivered through the hollow plug. When the tap is in the closed position, a port in the plug, e.g. the port 15, registers with ports 22, 21 in the socket and lining which are open to the atmosphere, so that dripping is avoided. The lining 17 may be secured either to the plug or socket. As shown, the lining has a square head 18 two sides of which are engaged by upstanding lugs 19 on the socket. Specification 17522 /05, [Class 21], is referred to.
Patent GB-926968-A (GB)
Title: Improvements in or relating to pneumatic suction nozzles
Inventor: FLOYD FREDERICK
IPC: B01D46/42
Filed: 1960-10-10
Abstract: 926,968. Suction nozzles; cleaning gas filters. OZONAIR ENGINEERING CO. Ltd. Jan. 9, 1962 [Oct. 10, 1960], No. 34708/60. Classes 8(1) and 8(2). A suction nozzle, particularly for use in the extraction of dust and other material from the filter bed of an air filter, comprises a roller carried by the nozzle body and arranged to permit relative movement between the nozzle and a working surface, said roller having adjacent thereto a flexible wall secured to the body of the nozzle and with a free margin in rubbing contact with the roller and so minimizing leakage of air between the roller and the body of the nozzle. In the embodiment illustrated there are two rollers 3 rotatable about parallel axes and two flexible walls 5 spanning the gaps between the rollers 3 and the body 1 of the nozzle, suction being applied to the working surface 4 through the gap between the rollers 3.
Patent GB-343141-A (GB)
Title: Transmission dynamometers
IPC: G01L3/14
Filed: 1929-11-14
Abstract: 343,141. Dynamometers. GIFFEN, E. and WHITE, C. M., King's College, Strand, London. Nov. 14, 1929, No. 34739. [Class 106 (ii).] Comprises a casing pivotally mounted about the adjacent ends of two co-axial main shafts, either of which may be the driving shaft, and a lay shaft, disposed in the casing, and adapted to drive or be driven by one main shaft by a sprocket chain, and to be driven by or to drive the other main shaft by means of toothed gears. The casing comprises an oil bath connected by a pipe to a subsidiary oil chamber carried on an arm fixed to the casing, the two oil chambers being shaped to avoid instability owing to the variations in the oil levels. In Fig. 2 the main shaft A is geared to the layshaft B by spur wheels G and H and the mainshaft C is connected to shaft B by a sprocket chain F. In operation, the reaction of the casing D, pivoted about the axis AC, is proportional to the torque transmitted which may be measured by any mechanism of the weighing-machine type or by weights hanging from a knife-edge E on an arm L fixed to the casing D. The subsidiary oil chamber and connecting oil pipe are shown at K and M. One of the moving parts may be disconnected for testing purposes by means of a clutch.
Patent GB-1240269-A (GB)
Title: Liquid meter counter
Inventor: ALLEN ERIC HAROLD WILLIAM
IPC: G01F1/07
Filed: 1967-07-28
Abstract: 1,240,269. Counting apparatus. GEORGE KENT Ltd. 25 July, 1968 [28 July, 1967], No. 34747/67. Heading G4D. [Also in Division F1] A totalizing register 25 is coupled to the rotor 6 of a liquid meter by gear-wheels 21, 22 and lodged in a housing 13 that is filled with a proportion of the liquid flowing through a passage 4 so as to prevent condensate forming on a window 15. The liqud enters the housing through an opening 20 and a filter pad 29. Any air in the region of the window is drawn off through a passage 32 and a bore 36 containing a filter pad 37, which may be replaced by a non-return valve.
Patent GB-953822-A (GB)
Title: Textile spindle-holder
IPC: F16C33/10
Filed: 1962-09-12
Abstract: 953, 822. Lubricating and supporting spinning &c. spindles. ETABLISSEMENTS PAIN-BOURGEAS. Sept. 12, 1962 [Sept. 23, 1961], No. 34879/62. Heading D1D. In a holder for a spinning &c. spindle of the kind in which the foot 5 of the holder 1 carries integrally or otherwise a recessed plug 8 housing a bush 7 serving as a footstep for the lower end of the spindle, the foot is surrounded by a cup 11 containing lubricating oil inculated by the rotation of the spindle, apertures being provided in the bottom of the recess at 15, in a washer 17 between the bottom of the recess and the bush and radially at 18 in the foot. As shown, the plug 8 is screwed into the end of the foot, a loose washer 21 prevents the oil splashing upwardly, a centering and damping spring 22 is provided between the bush 7 and the plug, the cup is of resilient plastic and has projections 12,12a co-operating with a shoulder 13 in the foot so that it can occupy a working position and a position when all the oil can be drained into it for removal and replacement, while a collar 5a keeps dust out of the cup. At its central part, the spindle is supported by two porous half bearings 25a, 25b in a metallic ring 26 surrounded by a flexible ring 27 resting on a washer 28 and covered by an oil-trough 31 in a dish 6 integral with the holder. This is secured at 2 to the spindle rail.
Patent GB-1394754-A (GB)
Title: Fire detection method and device for use with compressors
IPC: F04D27/02
Filed: 1972-07-26
Abstract: 1394754 Photo-electric fire detectors DEMAG AG 26 July 1972 [27 July 1971]  34937/72 Heading G1A [Also in Division F1] A gas compressor includes a radiation sensor which inititates emergency action if a fire is detected. In one arrangement the sensor is mounted in the scroll housing wall of a centrifugal oxygen compressor Fig. 3 (not shown) and comprises, Fig. 1, an optical probe consisting of light conducting fibres 3 within a casing 2. The sensing ends of the fibres diverge and are embedded in a glass block which closes one end of casing 2, the other end of which is connected to an axiallyadjustable receiver head 1. Should a fire occur within the compressor, light directed from casing 2 falls upon a block of glass within head 1 and is transmitted therefrom via light conducting fibres (14) to a control unit (13). The latter contains a convex lens 6 which focuses the light upon a photo-conductive cell 7, the resulting signal being amplified at 8 and passed to a relay 11 which  closes a circuit to produce an audible or visual warning, shut down the compressor, or discharge an inert gas into or around the compressor. In a modification Fig. 2 (not shown) the fibres of the optical probe are replaced by a convex lens (4) and a glass window (5).
Patent GB-464714-A (GB)
Title: Improvements in and relating to elastic fluid turbines
IPC: F01K11/02
Filed: 1936-12-19
Abstract: 464,714. Elastic - fluid turbines. BRITISH THOMSON-HOUSTON CO., Ltd. Dec. 19, 1936, No. 34955. Convention date, Dec. 19, 1935. [Class 110 (iii)] [Also in Group XIII] A turbine 10, preferably driven by mercury vapour, is positioned within a condenser 11, which in this instance forms the steam generator. The turbine drives an electric generator 12 to which it is attached by a member 45, the condenser casing also supporting the turbine. The condenser has an outer casing 13 having arms 14 welded thereto which loosely engage supports 15, preferably tubular resting on a foundation 16. The condenser comprises lower and upper headers 19, 20, connected by tubes 21. Condensate flows through holes 24 in a partition 23, to an outlet 25. Working-fluid enters through a port 30 to an annular row of nozzles 33 disposed ahead of a blade wheel 34. The turbine shaft is overhung and supported on a bearing 35. A cylindrical element 36 provided with a flange 37, surrounds a wall 29 to which it is secured. The flange 37 is bolted by bolts 38 to a ring 39 which is welded to the condenser casing. The rear end of the turbine casing is secured by bolts 40 to a support 41, which has a flange 42 bolted to a ring 44 welded to the condenser casing. For dis-assembling purposes the generator is mounted on rollers 48. In this case the turbine, after removal of all support bolts, is held entirely by the member 45. Rings 51, 54, are welded to inner and outer rings to seal up the turbine casing. The last blade wheel exhausts over its entire area into the condenser.