baber/WOPTO huggingface dataset:
Patent GB-1226273-A (GB)
IPC: B23H3/00
Filed: 1969-07-01
Abstract: 1,226,273. Electrolytic de-burring tools. IFA GETRIEBEWERKE BRANDENBURG VEB. July 1, 1969, No.33074/69. Heading C7B. Apparatus for electro-chemically de-burring rotationally symmetrical workpieces comprises an electrolyte chamber 10 formed of insulating material, means for detachable mounting at least one workpiece 18 on a drive shaft 1 which extends through the wall of the electrolyte chamber and which is connected to one pole of an electric source, means for circulating electrolyte through the chamber, and an electrode assembly connected to the second pole of the electric source and comprising exchangeable electrodes and having associated therewith electrolyte guide means to which the electrolyte is supplied. The electrode assembly may also be provided with a mechanical burr-stripping device. In the form shown workpieces 18 are secured on drive shaft 1 which is rotated by motor 4, electrode tools 16 being positioned adjacent to the portions of the workpieces requiring de-burring. Current is supplied via transformer 22, and electrolyte is supplied from reservoir 13 by means of pump 74 and line 15 to the electrolyte guide means associated with the electrode tools, and is withdrawn from the chamber 10 via the outlet 17. The electrode may be provided with an insulated guide roller (29) contacting the surface of the workpiece Fig. 2 (not shown). Electrolyte supplied may pass through the electrodes or between the electrodes and associated structures. The electrode assembly may be arranged to extend within a hollow rotational workpiece for machining an inner surface thereof, see Fig. 7, (not shown).
Patent GB-1226310-A (GB)
IPC: G01N23/09
Filed: 1970-03-13
Abstract: 1,226,310. Fuel elements; detecting neutrons. KERNFORSCHUNG m.b.H. GES. FUER. 13 March, 1970 [19 March, 1969], No. 12143/70. Headings G6C and G6P. The nuclear reactor fuel rods 5 and 8, mounted in the lead cube 3, are subjected to neutron irradiation to determine both the fission fuel and resonant absorber constituents. The neutron beam from generator 1 is directed to the target 2 and the fission neutrons from element 5 are detected by the methane-filled proton recoil counting tubes 6 and the gamma radiation from the absorber material in tube 8 is detected by the gamma counting tubes, 9. The mean energy of the neutrons in the lead, 3, is determined from the known relationship between the time interval after injecting neutrons into the lead and the neutron energy.
Patent GB-1226391-A (GB)
IPC: C22B21/06
Filed: 1968-05-01
Abstract: 1,226,391. Magnesium fluoride. DOW CHEMICAL CO. 1 May, 1968, No. 20684/68. Heading C1A. [Also in Divisions C6-C7] Oxide and heavy metal contaminants are removed from magnesium fluoride by mixing the impure magnesium fluoride and an impure aluminium, heating the mixture in a reaction zone at an absolute pressure above 100 mm. Hg., at a temperature between 1300‹ and 1750‹ C., condensing the vaporized products as liquids in a quiescent zone, allowing the magnesium fluoride and aluminium phases to separate and separating the phases while maintaining at least the aluminium phase in the liquid state.
Patent GB-1226708-A (GB)
IPC: H04N9/79
Filed: 1969-09-26
Abstract: 1,226,708. Frequency modulation; video recorders. AMPEX CORP. 26 Sept., 1969 [30 Sept., 1968], No. 47399/69. Headings H3R and H4F. A frequency modulated intelligence signal, particularly for recording on magnetic tape, is processed to eliminate a band of frequencies centred on the frequency of a pilot signal to be added to the signal and recorded on the tape, e.g. as a reference to enable reading speed synchronization. As described digital intelligence signals are converted to non-return to zero form and are applied to a frequency modulator 9 the output from which is applied to parallel channels, one containing a notch filter 13 to remove the pilot frequency and the other containing an inverting amplifier 17, a delay line 19, of delay equal the delay produced by the notch filter in the first channel, and an attenuator 20 providing 6dB attenuation so that the combined signals from the two channels, produced by adder 21, has all frequencies reduced by 6dB except those about the pilot signal frequency which are inverted and reduced by 6dB. The combined signal is limited in 23 which restores the carrier and first order sideband to the normal level, produces a signal which cancels the components about the pilot signal, and transfers the energy to a position in the upper sideband corresponding to their original position in the lower sideband. In alternative embodiments the appropriate relation between the two signals applied to the adder 21 is established by replacing the 6dB attenuator in one channel by a 6dB gain amplifier in the other channel, Fig. 3 (not shown), while the notch filter in the one channel may be replaced by a complementary band pass filter in the other, Fig. 4 (not shown). The resulting signal is added to the pilot signal and recorded, the limiting implicit in the recording process having no effect on the frequency distribution, due to the prior limiting, and therefore not causing interference on the pilot signal.
Patent GB-1228818-A (GB)
IPC: H03F3/30
Filed: 1968-08-20
Abstract: 1,228,818. Transistor amplifiers. WESTERN. ELECTRIC CO. Inc. 20 Aug., 1968 [23 Aug., 1967], No. 39801/68. Heading H3T. A class B amplifier comprises two transistors 40, 41 of an emitter coupled pair providing push-pull drive to output transistors 10, 11, all four transistors being of the same conductivity type. The respective signals to bases 28, 29 of 10, 11 are equalized by means of feedback; in Fig. 3, this is achieved by capacitor 65 connected between the output and the junction of biasing resistors 56, 57. Resistor 60 determines the gain of the amplifier by providing feedback from the output 19 to input 45. In Fig. 2 (not shown) capacitor 65 is replaced by a resistor between the collector and base of transistor 11.
Patent GB-1229962-A (GB)
IPC: C03B18/16
Filed: 1968-07-02
Abstract: 1,229,962. Flat glass manufacture. FORD MOTOR CO. Ltd. 2 July, 1968 [14 July, 1967], No. 31447/68. Heading C1M. In the float process a carbonaceous liner 33 overlies at least a portion of the bath bottom 18 and a layer of fibrous insulating carbonaceous material 47 is disposed between at least a portion of the carbonaceous liner 33 and the refractory material which defines the bottom 18 of the bath 14. The liners 33 are preferably graphite and comprise a plurality of blocks held in position by keys 34 locked into the bottom 18 of the bath to prevent them floating to the surface of the bath. The sides of the bath are also lined by blocks 36. The insulating material is preferably graphite felt and is disposed between all blocks 33, 36 and keys 34 and the refractory bottom 18 and sides 21. The insulating material 47 assists in preventing gas bubbles rising through the molten tin bath 14 which have seeped in from outside the bath or run down the inner face of the bath side walls. The bottom blocks 18, at least in that zone of the bath where the molten glass flows outwardly to form the ribbon, are spaced from the outer casing 37 and the space 39 is connected to a source of vacuum. A protective atmosphere comprising 92% N 2 , 4% H 2  and 4% CO is maintaned in the float tank.
Patent GB-1231792-A (GB)
IPC: E04C2/24
Filed: 1967-05-09
Abstract: 1,231,792. Laminated building panel. M. NSHUTE, and B. WADE. 3 May, 1968 [9 March, 1967; 28 July, 1967], Nos. 11105/67 and 34774/67. Heading B5N. A method for the production of a building panel comprises the steps of applying a parting agent to a working surface, applying to said parting agent a body of insulant material comprising a foamed plastics material or plied cardboard, applying to the body one or more layers of resin bonded glass fibre or a layer of veneer, applying a surfacing material layer to the resin bonded glass fibre or veneer, and removing the panel thus formed from the working surface. In one embodiment a backing sheet 10, which constitutes the parting agent, and is of fire retardant board or plasterboard, is applied to a support surface 11. The core 12, which may be of phenolic resin, P.V.C., polystyrene or polyurethane foam is applied to the sheet 10, and a layer 13 consisting of glass fibres and polyester or polyurethane resin is applied by spraying or hand-coating to the top and edges of the core 12. The resin is allowed to cure and excess is removed. A finish coating 14 of sand texture, paint, metallic or mineral surface is applied to the layer 13 and the completed panel removed from the surface 11. In an alternative embodiment the core 12, layer 13 and finish 14 are applied in turn to a parting agent in the form of a polythene sheet on a support surface. They are then removed and inverted before the backing sheet 10 is applied. The sheet 10 may be adhered to the core by a polyester/glass fibre adhesive. The panel may include a metal or timber frame and door and window apertures and frames. It may include fixing brackets, reinforcing ribs or electrical or mechanical services. The panel edges may be weather-sealed with neoprene. The edges may be rebated for lateral overlapping. One or both surfaces of the panel may be patterned. The panel may be non- planar.
Patent GB-1233194-A (GB)
IPC: C07D221/28
Filed: 1968-08-22
Abstract: 1,233,194. N-Formyl morphinan derivatives. F. HOFFMANN-LA ROCHE & CO., A.G. 22 Aug., 1968 [25 Aug., 1967], No. 44783/70. Divided out of 1,233,193. Heading C2C. Novel morphinan derivatives of the formula in which R represents a C 1-8  alkyl, C 1-6  alkanoyl or aryl radical, are prepared by treating isoquinoline derivatives of the formulµ with an acidic cyclising agent. Cyclisation may be effected at 0-160‹ C. using, e.g., hydrohalogen acids, H 2 PO 4 , FSO 3 H, polyphosphoric acid or esters thereof, POCl 3 , Lewis acids, HCOOH, CH 3 COOH, Cl 3 CCOOH, F 3 CCOOH or p - toluene - sulphonic acid. The N - formyl morphinans can be obtained in optically active or racemic forms. The optical antipodes may be obtained by resolution of the racemate or by using optically active isoquinoline reactants. Examples relate to the preparation of (Œ) and (+) 3-methoxy-N-formyl morphinan. The N - formyl octa - or deca - hydro - isoquinolines may be prepared by N-formylation, e.g. using methyl formate.
Patent GB-1234517-A (GB)
IPC: H01J3/02
Filed: 1969-04-28
Abstract: 1,234,517. Electron -guns.- ALCATEL-. HEURTEY. 28 April, :1969 '[26 April; .1968].. No. 21461/69. Heading H1D. An electron gun includes both a screen grid in contact with the emissive surface of the cathode, and an extraction grid the apertures of which are aligned with those of the screen grid and which is located between the -screen. grid and the anode, such that when increasingly positive potentials are applied to the cathode, the extraction grid, and the anode,.respectively, the electrons pass .through the grid apertures without impinging on the extraction grid, and thereafter merge into a single collimated beam. The thermionic cathode 1 is supported at the end of a- .metal tube 2 and is heated, either directly by, or by electron bombardment from, a filament 4 mounted within -a úurther metal - tube 7. A grid 10-which may be of honeycomb form (Fig. 2, not shown )-and a second similar.grid 15 is mounted in a ring 11 and metal cylinder 12. The'cathode, the grid 15,-and. the anode 17, are held at successively higher positive potentials, such that .the elementary electron beams issuing from grid 15 are converged to form a single" parallel beam, while grid 10 also ,prevents the emission of such electrons as would impact the grid 15. The cathode and grid 10 may together be-constituted by a matrix of non-emissive material into which an array of pellets of emissive material .is embedded, or grid 10 may be coated on the cathode surface.
Patent GB-1257821-A (GB)
IPC: C07G11/00
Filed: 1969-02-28
Abstract: 1,257,821. Antibiotic and carcinostatic compositions. PFIZER Inc. 28 Feb., 1969 [27 Nov., 1968], No. 10997/69. Heading A5B. [Also in Division C2] Antibiotic and carcinostatic compositions comprise one or more of the novel antibiotics B-35251A, B-35251B or B-35251C or acid addition salts thereof, together with a pharmaceutically acceptable carrier or diluent, and may contain one or more known carcinostatic agents, e.g. nitrogen mustards; 6-mercaptopurine; 8-azaguanine; 6-diazo-5-oxo-1- norleucine (DON); azaserine; triethylenemelamine; mitomycin C; triethylenephosphoramide; 1, 4-dimethylsulphonyloxybutene; carcinostatic folic acid analogues; and ethyl carbamate. The compositions are in forms for oral or parenteral administration. A mixture of about 60% B-35251A acetate and 40% B-35251B acetate is called mitocromin acetate.  Reference has been directed by the Comptroller to Specifications 985,598 and 1,003,383.
Patent GB-1264287-A (GB)
IPC: C07C329/00
Filed: 1970-09-02
Abstract: 1,264,287. Thiocarbonates. AZOTE ET PRODUITS CHIMIQUES S.A. 2 Sept., 1970 [8 Sept., 1969], No. 42045/70. Heading C2C. Thiocarbonic compounds of general formula ROCOS.CR 1 R 2 .CN wherein R is an optionally branched alkyl group, R 1  represents H and R 2  represents H or a C 1-5  linear alkyl group, are made by reacting an alkali metal alkyl thio carbonate (ROCOSM) with a halonitrile in a polar organic solvent at 50‹ C. or less. The products display insecticidal and fungicidal activity. In Example 7 sodium n-lauryl thiocarbonate was prepared by reacting sulphur oxychloride with the product obtained by reaction of lauric alcohol and sodium in anhydrous toluene.
Patent GB-1264555-A (GB)
IPC: D03D51/00
Filed: 1969-05-15
Abstract: 1,264,555. Loom disc brakes; transmitting mechanism. NORTH AMERICAN ROCKWELL CORP. 15 May, 1969 [23 July, 1968], No. 24724/69. Heading F2E. [Also in Division D1] A loom brake comprises a caliper-type disc brake 58, the master cylinder 53 of which is controlled by a rod 39 controlled through a spring-loaded lever 26 by a rod 24 pivotally attached to the shipper handle 21. Movement of handle 21 to the stop position moves rod 24 to the left, whereby a collar 37 thereon frees lever 26 which is moved clockwise about pivot 28 by a spring 32 to move rod 39 to the right to actuate the brake through a lever 52 pivoted at 54 on the master cylinder housing. When handle 21 is moved to the start position, rod 24 is moved to the right to rotate lever 26 anticlockwise to release collar 47, whereby rod 39 moves to the left to release the brake. When handle 21 is in the stop position, the brake can be released independently by a lever 70 which actuates lever 26 through rod 72.
Patent GB-1265762-A (GB)
IPC: G06G7/186
Filed: 1969-09-29
Abstract: 1,265,762. Transistor switching circuits. SIEMENS A.G. 29 Sept., 1969 [30 Sept., 1968], No. 47757/69. Heading H3T. Two similar conductivity type transistors T1, T2 are connected, together with collector resistors and a diode D and resistor Ra, between supply potentials U, O in the manner shown, capacitive feedback from T2 emitter to T1 base being provided to reduce the steepness of the output pulse produced at A as either T1 or T2 conducts in response to an input signal at T1 base. The inclusion of Ra is said to remove spurious oscillations arising from the connection of a capacitive load to the output terminal A. The feedback capacitance C is constituted by the collector base capacitance of a transistor T0 which has two emitters, one receiving the input signal.
Patent GB-1288189-A (GB)
IPC: C22C1/02
Filed: 1971-03-29
Abstract: 1288189 Vacuum melting Ni base alloys TRW Inc 29 March 1971 8080/71 Headings C7A and C7D Ni base alloys are made by vacuum melting at a pressure <100 microns and a temperature of 2550‹ -2750‹ F. a charge of Ni, carbon and optionally non reactive metals such as Co, Cr, Mo, Ta, Nb, W, V. The melt is raised to 2800‹-3000‹ F. to complete deoxidation and after cooling, preferably to 2600-2700‹ F., reactive metals such as Zr, B, Al, Ti, Hf are added to the melt which is then turned. Casting and cooling is preferably effected under vacuum. The melt may be raised to 2800-3000‹ F. after the addition of the reactive metals. The following Ni base alloys may be produced:
Patent GB-1296746-A (GB)
IPC: A01G9/10
Filed: 1970-06-08
Abstract: 1296746 Plant bases D RACK 8 June 1970 [6 June 1969 20 Nov 1969 (2) 5 March 1970] 27565/70 Heading A1E A substrate for a plant comprises a clump of natural organic nutrient material and a polyurethane binder mixed with the material to bind the latter together, the binder comprising a first component of polyol mixtures with accelerators and a second component of an isocyanate, the first component being free of propellant so that after mixing the components the polyurethane does not foam up but serves only as a binder. A young plant or cutting may be permanently planted in a small base and as it grows the base may be inserted in a corresponding recess in a larger base which in turn can be inserted in a still larger base, the whole being. inserted in the soil when planting-out. Seeds may be placed on a flat substrate and be protected by a layer of wax or plastics. For producing a turf, seeds may be sown on a substrate N having a reinforcing mesh A adhered thereto. Reinforcements A1 may be laid under the substrate and thermal insulation may be provided by a foamed layer S. For watering or heating perforated pipes R can be laid in the top soil B under the foamed layer.
Patent GB-1304391-A (GB)
IPC: G01G19/02
Filed: 1970-02-07
Abstract: 1304391 Weighing apparatus GIRLING Ltd 19 April 1971 [7 Feb 1970] 5975/70 Heading G1W A weighing machine using a single load cell 31 comprises a load supporting structure 29, 26, 25 borne on longitudinal, hinge-providing members 14 each of which resiliently hinges about an axis z-z, there being plates 16 whereby any load transmitted to any one of the members 14 is transmitted at a constant leverage distance from the associated axis z-z, there being a mechanical summation device 30 relying on its own flexure for transmitting the mean deflection of the members 14 to the load cell 31 and there being at least two members 14 each side of the device 30, and the load supporting structure comprising transverse beams 26 bridging each pair of members 14 and the beams 26 each abutting each member 14 of a pair through one of the plates 16. As shown each member 14 is formed by a U- girder, stiffened by transverse bulk heads 18 and cover plates 19 with longitudinal vertical plates 16, through which load applied to a platform 29 is transferred to the members 14 through beams 26 and girders 25. The outer side 20 of each member 14 is clamped near its ends between pads 21 on confronting faces of pairs of upright support girders 12, by bolts 22. The summation device 30 comprises two girder elements 32 slightly spaced and extending along the centre line and each is attached to its adjacent member 14 by bracket elements, two elements 33 on one member 14 and a single element 34 on the other, interspaced with the former. They are attached near the bottom of the members 14 and are clamped between the girder elements 32 by bolts or welding in the same horizontal plane as the bolts 22. Preferably the brackets are ridid and rigidly secured to the elements 32 which are then waisted at their centres over the load cell 31 so that they can flex. Alternatively the brackets could be flexible and the elements 32 rigid. The load cells may be electrical strain gauges and the platform 29 may be a concrete slab or a steel chequer plate.
Patent GB-1311673-A (GB)
Title: Methods and apparatus for electrostatic printing or copying
IPC: G03G17/04
Filed: 1969-03-12
Abstract: 1311673 Electro-photography MASSON SCOTT THRISSELL ENG Ltd 12 May 1970 [12 March 1969] 12905/69 Heading G2H [Also in Division B6] A gravure printing plate 12 is provided with means to induce electro-phoretic migration of pigment particles 30 in ink 31 in its cells 13, so that the ink in the upper parts of the cells 13, which is transferred to paper 19 in printing, contains either an increased or a depleted content of particles 30. The printing plate may be an imaged one, the density of whose imprint is to be varied, or may be uniformly provided with cells 13 and be imaged electro-photographically by action of light on photo-conductive material in the bases of the cells 13, or on photo-conductive pigment in the ink 31, in either of which cases the light reaches the cells 13 through a transparent base material. The ink 31 may contain two colours of pigment particles 30, with opposed electro-phoretic behaviour, so that a two-colour imprint is formed, and the electrostatic field applied by electrode 16 may be varied at a frequency in excess of 2,000 cycles/second to provide a smooth graduation of colour.
Patent GB-1320903-A (GB)
Title: Apparatus for non-contact measurement of speed
IPC: G01P3/54
Filed: 1969-08-08
Abstract: 1320903 Measuring speed electrically E M DEELEY 29 Sept 1970 [8 Aug 1969] 39793/69 Heading G1N The speed of a moving metal strip or a vehicle on a metal track is measured by apparatus comprising a writing head 3 for recording imprints on the strip, a reading head 1 detecting the imprints and an amplifier 10 which amplifies the detected signals and feeds them to the writing head 10, the frequency of the signal being indicative of the speed. The recording may be magnetic electrostatic or thermal, and may comprise entrained eddy-currents. The reading head is constructed to be preferentially responsive to a particular wavelength of imprints and the device operates to maintain this wavelength, the frequency varying accordingly as the speed varies. Constructions of reading heads are disclosed, Figs. 2 and 3 (not shown).
Patent GB-1337631-A (GB)
Title: Electroluminescent display panel
IPC: H05B33/12
Filed: 1971-03-18
Abstract: 1337631 Electroluminescence STANDARD TELEPHONES & CABLES Ltd 16 March 1972 [18 March 1971] 7182/71 Heading C4S An electroluminescent panel comprises an apertured reflecting electrode 5, a phosphor layer 7, a second electrode 8, and, at least around each aperture, a transparent spacer between the first electrode and the phosphor. A figure of eight display panel comprises a transparent substrate 1 with an anti-reflection coating, a black resin layer 2 having apertures which are filled with semi-transparent carbon loaded resin 4, a reflecting metal apertured coating 5, transparent ribbons 6b extending along the edge of each aperture, a phosphor layer 7 and a continuous electrode 8. The coating 5 is divided into seven areas each forming an electrode together with the resin 4 and ribbons 6b which are conductive. The resins may be replaced by low m.p. glass. Unwanted reflections may be removed using matching material of appropriate reflective index. The ribbons 6b may be replaced by a transparent layer over the whole panel and divided into areas corresponding to those of the coating 5.
Patent GB-1341812-A (GB)
Title: Method of and equipment for forming and drying of ceramic  material extrudates
IPC: B28B11/24
Filed: 1972-02-08
Abstract: 1341812 Drying ceramic extrudates TESLA NARODNI PODNIK 8 Feb 1972 5892/72 Heading F4G [Also in Division B5] Ceramic material in plastic condition is heated electrically in a chamber 2 within an extrusion press 1 so that the material stiffens as it emerges from the extrusion nozzle 4 at a temperature between 40‹ and 90‹ C. (as described in Specification 1,051,432), and the material is then cut while supported on a table 7 by a cutting device 6 into pieces 5 which are transported by a conveyer 8 through a drying oven 9 supplied with gas at a temperature between 60‹ and 250‹ C. to effect final drying prior to firing in a kiln. The pieces 5 are transported into the drying oven 9 at a temperature of at least 35‹ C.