baber/WOPTO huggingface dataset:
Patent GB-1319154-A (GB)
Title: Carbon black production
IPC: C09C1/00
Filed: 1970-10-27
Abstract: 1319154 Carbon black PHILLIPS PETROLEUM CO 27 Oct 1970 [27 Oct 1969] 51026/70 Heading C1A Carbon black is formed when a feed oil is sprayed downwardly into an atmosphere of combustion gas at least part of the oil being sprayed as a plurality of streams directed inwardly so as to impinge one upon the other in the axis of the reaction chamber. The oil spray preferably makes an angle in the range 3 to 45 degrees with respect to the vertical. The continuous linear velocity of flow of the reaction mixture within the reaction chamber is preferably less than 15 f.p.s. The temperature of the reaction may be 2400‹ to 2500‹ F. A dispersing gas, e.g. air, may be supplied with the oil, the reaction chamber being supplied at a rate in the range 5000 to 9000 1b. of oil plus dispersing gas per hour per square inch 'of inlet port area. The air may be supplied in an amount in the range 5 to 60 s.c.f. per gallon (0À037 to 0À45 m.<SP>3</SP>/l.) of oil. The oil may be supplied to the inlet ports at a pressure in the range 25 to 150 p.s.i.g. Values for the surface area, the photelometer, and the BP absorption are given in the Specification.
Patent GB-1452313-A (GB)
Title: Method for enhancing the reduction of ores and oxides and the melting of metals using magnetic forces
IPC: C21B11/08
Filed: 1973-11-02
Abstract: 1452313 Melting of metals; reduction of oxides S PROLER 2 Nov 1973 [14 Nov 1972] 51104/73 Heading C7D Metal-containing particles having magnetic characteristics are incorporated in molten metal streams by subjecting the stream to a magnetic field in the area where the charge is added in order to force the particles beneath the surface of the stream and aid mixing. The process is particularly applicable to the melting of particulate iron or steel scrap in a stream of molten iron, or to the reduction of iron oxide or oxide ore dust in such a stream. Alternatively, the iron oxide may be added in order to decarburize molten iron in the production of steels. The magnetic field may be provided by electro or permanent magnets which may also form part of inductive conveyers for the metal stream. In one embodiment, Fig. 2, an induction conveyer 7 with its laminated core 3 and windings (5), Fig. 6, (not shown) provides for movement of a metal stream between outlet 19a and inlet 19b of metal bath (13) contained in a furnace (11), Fig. 1, (not shown), thus providing a closed loop continuous circulation system for the metal. Particulate charge is distributed over the trough of the induction conveyer through charging deflectors 23 and slag is removed at 15, while the melt may be tapped from bath (13). In alternative embodiments, (2) induction channels and furnaces may be combined, Fig. 3, (not shown); the metal stream may descend a trough under gravity while the magnetic force is applied. Fig. 4, (not shown), the stream may be obtained in a bath by withdrawal of metal through a tapping hole, Fig. 5 (not shown), and the base of the inductor channel may be stepped to provide further turbulence, Fig. 7 (not shown).
Patent GB-980140-A (GB)
Title: Improvements in gearboxes
IPC: F16H59/04
Filed: 1963-12-31
Abstract: 980,140. Change-speed control. FORD MOTOR CO. Ltd. Dec. 31, 1963 [Jan. 18, 1963], No. 51332/63. Heading F2D. Control of a countershaft constant-mesh change-speed gear for motors ears &c. is effected by a hand-operated gear-shift lever 146, Figs. 1, 2, movable in two planes at right angles and engaging at its lower end 154 with a sleeve 138 rotatable and axially slidable with respect to the change-speed gear output shaft 12, which it surrounds, an arm 128, Fig. 4, fast with the sleeve 138, being engageable with one or other of three parallel selector rods 100, 112, 114. A spring-biased ball detent 162 restrains rotation of the sleeve 138. The selector rods 100, 112, 114 are interlocked by drift pins &c. 118, 120, 122, 124. Forks 102, 106 are provided on the selector rods 100, 114 for the establishment of one or other of four forward ratios, and a fork 106 on the rod 112 for the establishment of reverse. The gear-shift lever 146 is ballmounted at 148 in an extension 40 of the gear housing 16, and its lower end 154 engages a tubular collar 156 fast in the sleeve 138. In a modification, a slot 170, Fig. 7, in the housing extension 40 and transverse of the gear axis, permits lateral movement of the gear-shift lever 146<SP>1</SP>, which is provided with a fork 178, 180 and trunnions 182, 184 pivoting in the sleeve 138. The sleeve 138 is slotted at 140, Fig. 2, for a speedometer worm drive 144, Fig. 1. Gearing.-An upright shaft 10, Fig. 1, is fast with a gear 26, meshing a gear 66 on a countershaft 64 carrying fast gears 68, 70, 72 meshing gears 38, 48, 50, coupled to the output shaft 12 for establishment of first, second and third ratios by selective engagement of synchromesh clutches 52, 54 (not further described), the clutch 54 alternatively selectively coupling the input and output shafts for direct drive. The countershaft gear 72 also meshes a reverse idler 80 journalled upon a pin 74 journalling a second reverse idler 78 meshing a gear 46 fast with the output shaft 12. Reverse is established when a dog clutch sleeve 84 is slidden axially to connect the two reverse idlers 78, 80.
Patent GB-1177346-A (GB)
Title: Improvements in or relating to Shrink-Wrap and like Packaging
Inventor: STEVENS ROY ALBERT
IPC: B65D71/00
Filed: 1966-11-18
Abstract: 1,177,346. Packaging partition. LANDOR CARTONS Ltd. 31 Oct., 1967 [18 Nov., 1966], No. 51826/66. Heading B8C. A partition structure for locating containers 7 assembled on a base 8, comprises a sheet of board material provided with medial crease lines 2 and with slits or cuts 5 extending each side thereof, such that when the sheet is folded upon itself about said medial lines, laterally projecting tabs 6 are formed of such size and spacing that when the device is placed between two rows of containers, the tabs 6 engage between the containers in said rows and locate the containers in vertically-disposed positions. Preferably the side edges of the tabs are of curved, angular or other form to conform with the necks of the containers.
Patent GB-1279725-A (GB)
Title: Avalanche diode oscillator
IPC: H03B9/12
Filed: 1969-10-23
Abstract: 1279725 Avalanche diode oscillator RCA CORPORATION 23 Oct 1969 [5 Feb 1969] 52011/69 Heading H3T An avalanche diode oscillator has a transmission line with a section 16, 18, 20, 26 having a characteristic impedance higher than that of two further sections 22, 26 and 24, 26, the avalanche diode 36 is in a cavity 34 of an additional section 38, 40 which is for coupling to an energizing source, and the frequency of the oscillations at output 24 are determined by the lengths L 1  from a short circuit 28 to the position of the diode 36, L 2  from the diode position to that of a reactive element 30 coupled across the section 22, 26 and the reactance of the reactive element 30. The diode 36 is energized from a pulser via 38 and dielectric material 42 acts as an RF bypass to prevent oscillations being fed back to the pulser. The output frequency may be varied by varying the position of the short circuit 28, by adjusting the length L 2  by sliding the outer conductors 18, 26 of the line stretcher coupling or by adjusting the lumped capacitor 30. The impedance of the section 22, 26 and the capacitor 30 act as an LP filter and cause the circuit to act as an overloaded cavity at harmonic frequencies such as the diode transit time frequency to prevent this frequency being transferred to the load. The avalanche diode may be a silicon mesa structure with junctions formed by boron diffusion into N- on -N<SP>+</SP> epitaxial wafer. The transmission line may be in the form of a microstrip line.
Patent GB-1434825-A (GB)
Title: Manufacture of insoluble and only sparingly swellable conpolymers of n-vinylpyrrolidone-2
IPC: C08F/
Filed: 1973-11-09
Abstract: 1434825 Cross-linking N-vinyl pyrrolidone polymerization BASF AG 9 Nov 1973 [11 Nov 1972] 52066/73 Heading C3P N-vinyl pyrrolidone-2 is polymerized, optionally together with another N-vinyl lactam, in an aqueous medium in the presence of a cross-linking monomer which is a cyclic amide containing at least two ethylenic groups, the reaction being initiated, usually in the absence of catalysts, by heating to at least 80‹ C. and completing the reaction at 100‹ C. Specified cross-linking monomers are N,N<SP>1</SP>-divinyl-imidazolidone, N,N<SP>1</SP>-divinylhexahydropyrimidinone- 2 and N - vinyl - 3 - ethylidene pyrrolidone- 2, while N-vinyl caprolactam is the specified optional comonomer.
Patent GB-1477539-A (GB)
Title: Machine for distributing hot asphalt
IPC: E01C19/18
Filed: 1974-12-02
Abstract: 1477539 Asphalt laying machine R O PUCKETT and J R PUCKETT 2 Dec 1974 52116/74 Heading EIG  An asphalt-laying machine includes a hopper 22 pivoted about a horizontal axis 23 to a machine frame having ground wheels 40, the hopper's outlet including a distributer screw 60 and a pivotal gate 75, the screw being movable with the gate either away from or towards the hopper as the outlet is either opened or closed. The machine is self-propelled and includes a heat shield 20 followed by an adjustable platform 24 which serves both as a screed and as a driver's location. Two co-axial screws 60 may be provided. The platform 24 is vertically adjustable through a piston and cylinder 130 and also through levers 29. The platform may be bent about a centre line 156 by jacks. Adjustable side plates 140 are provided. A gas-fired heater pipe is located beneath platform 24. The machine's road wheels are powered by an I.C. engine and a hydraulic motor powers the other controls.
Patent GB-1107009-A (GB)
Title: Improvements in or relating to semiconductor devices
Inventor: MASH DEREK HUBERT
IPC: H01L27/00
Filed: 1966-11-22
Abstract: 1,107,009. Semi-conductor devices. STANDARD TELEPHONES & CABLES Ltd. 22 Nov., 1966, No. 52154/66. Heading H1K. The junction 8 between opposite conductivity-type regions 2, 5 of a semi-conductor device, the former of which regions surrounds the latter, extends perpendicularly to the surface of, and down to, a gallium arsenide substrate 1 on which the device is formed. In the embodiment shown the N-type region 2 is formed either by epitaxial deposition of gallium arsenide, gallium phosphide or germanium on to the semi-insulating substrate 1, or by conversion of the surface of the substrate to N-type semiconductivity. The P-type region 5 is then formed by diffusion through a suitable silicon oxide mask 3, and ohmic contacts 6, 7 are applied to the P and N regions, respectively to form a diode. The region 5 may alternatively be formed by alloying a suitable dopant into the region 2. In a further embodiment a shaft is etched in the region 2 down to the substrate 1 through the oxide mask, and the second region is formed by diffusion into the exposed surface of the region 2, to form an annular P-type zone (13), Fig. 4c (not shown). The shaft is then filled with conducting material to form ohmic contact to the zone (13), annular contact to the N-type first region (2) being made as above. The annular P-type zone may alternatively be formed by the alloying of a dopant which is inserted into the etched shaft. A transistor may be made by diffusing a P-type region 5 into the N-type region 2 as described above, and subsequently diffusing a further N-type region (13), Fig. 6j (not shown), into the region (5) through a suitable mask, to form a second junction perpendicular to the surface and extending down to the substrate (1), and surrounded by the first junction. A limited P-type diffusion stage may then be used to increase the surface area of a portion of the region (5), to facilitate the application of an ohmic base contact (17), emitter and collector contacts (18, 16) also being applied to the regions (13, 2) respectively.
Patent GB-1418525-A (GB)
Title: Assembly adapted to be assembled from two separate driving bodies
IPC: B41L23/20
Filed: 1973-11-12
Abstract: 1418525 Chain gearing COPYER CO Ltd 12 Nov 1973 [16 Nov 1972] 52460/73 Heading F2Q A sub-body 13, such as a drying machine, is adapted to be detachably secured to a main body 10, such as a copying machine by latch members 17, 18, and a sprocket 24 is mounted in the main body 10 so that it projects outwardly of the end surface 11a of the body 10 and is driven by a chain 22 within body 10 and is adapted to engage and drive a chain 26 within sub-body 13. A tension sprocket 27 engages the chain 26. Each upper latch member 17 is pivottally mounted and its end 17a is spring-pressed into engagement with a pin 15. Recesses 18a in latch members 18 are adapted to engage pins 16.
Patent GB-1205288-A (GB)
Title: Method of fabricating a semiconductor device
Inventor: MAYER JAMES WALTER
IPC: H01L21/265
Filed: 1968-11-06
Abstract: 1,205,288. Semi-conductor devices. HUGHES AIRCRAFT CO. 6 Nov., 1968 [29 Nov., 1967], No. 52632/68. Heading H1K. The radiation damage produced by ion implantation into a semi-conductor body is annealed while the body is irradiated by electrons or further ions of an electrically inactive material which does not influence the conductivity type of the body. The further irradiation apparently provides energy to dissociate complex damage clusters and. to permit reformation of the crystal structure. It may also serve to increase the resistivity of an initially low-resistivity region. To reduce the damage produced by implantation of Sb into Si suitable inactive materials are C, Si, Ne, the annealing temperature being 500‹ C.
Patent GB-1416451-A (GB)
Title: Ignition device for an internal combustion engine
IPC: F02P9/00
Filed: 1972-11-15
Abstract: 1416451 Ignition systems DUCELLIER & CIE 15 Nov 1972 [25 Nov 1971] 52704/72 Heading F1B An ignition system for an internal-combustion engine includes a capacitor 3, a diode 4 through which the capacitor is charged in use and a thyristor 2 for discharging the capacitor through a primary winding 5 of an ignition coil 6, the secondary 7 of which has induced therein a high voltage each time the capacitor discharges through the primary winding. The high voltage is arranged to produce an electric spark between the electrodes 8, 9 of a sparking plug 10. The thyristor is triggered in use by a timing circuit in synchronism with rotation of the internal-combustion engine, and the system comprises auxiliary means for prolonging the arc created between the electrodes of the sparking plug. As shown the auxiliary means comprises a second capacitor 12 and a second thyristor 11 associated with a second primary winding 14 of the ignition coil. In a modification (not shown) the second thyristor is replaced by a transistor and a capacitor is arranged in parallel with the series combination of the transistor and a diode.
Patent GB-1326058-A (GB)
Title: Grid support structure of inter connected beams including at least one thermally expandible beam
IPC: E04B9/14
Filed: 1970-11-05
Abstract: 1326058 Supporting suspended ceilings WILSON LIGHTING Ltd 5 Nov 1970 [6 Nov 1969] 52748/70 Heading E1W Supporting metal, e.g. beams 11, 12 for a suspended ceiling made, e.g. of lighting units, are constructed to allow for thermal expansion at joints by forming the end of one beam, e.g. 11 with an elongate slit 26 and arranging the material each side of the slit in different planes, by, e.g., binding one portion down. In the embodiment of Fig. 2, the beams 11 have lateral end lugs 20 with tabs 23 engaging in slits 24 in the beams 12, the ends 25 of the flanges 19 of the top hat sectioned beams being bent up, and a cover plate 26 with slits 38 similar to slits 26 is provided. In the embodiment of Fig. 6, all the beams have slits, and interengaging slotted lateral end lugs 40, 41 are provided at each side of beams 12 and 11 respectively. A simple cover plate with gripping end lugs 37 is provided in this embodiment. Holes or transverse slots 28 are provided at the ends of the slits 26, the slots being able to accommodate hanger rods 29. Otherwise slits 34 are provided for straps 33.
Patent GB-1065368-A (GB)
Title: Rotary mechanical fluid seal
IPC: F16J15/36
Filed: 1965-12-13
Abstract: 1,065,368. Mechanical seals. SEALOL Inc. Dec. 13, 1965 [Sept. 17, 1965], No. 52771/65. Addition to 1,056,608. Heading F2B. In a mechanical seal according to the parent Specification the sealing face 24 of the rotary sealing ring 22 is eccentric with respect to the shaft 10.
Patent GB-1146225-A (GB)
Title: Synthetic thermoplastic brush fibres
IPC: D01D5/42
Filed: 1967-11-21
Abstract: 1,146,225. Synthetic thermoplastic brush fibres. G. SHAW, and J. C. LEWIS. 21 Nov., 1967 [23 Nov., 1966], No. 52854/67. Heading B58. [Also in Division A4] Synthetic thermoplastic brush fibres, or an assembly of such fibres, having at least at one end a working end which has been oriented along the longitudinal axis of the fibre to a greater degree than the adjacent portion of the fibre which supports the working end, are made by making a multiplicity of parallel cuts in two opposed side edges of a strip of unoriented synthetic thermoplastic, so as to provide a row of parallel fibres integrally connected to two opposed side edges of an uncut portion of the strip, and thereafter orienting the fibres or the assembly such that the degree of orientation along the longitudinal axis of the fibres is greater than that of the uncut portion of the strip. Isotactic polypropylene and polyamide are mentioned as suitable materials for the fibres which may be hollow, or of non-circular crosssection. The oriented portion of the fibre may have the same or a different cross-sectional area to the unoriented portion. In one embodiment crystalline isotactic polypropylene was extruded through a slotted horizontal die having a configuration such that a flat strip of unoriented material comprising two longitudinal heavy portions 16 and 16<SP>1</SP> of material adjacent to a thinner supporting centre member 17 (Fig. 4), was extruded into a water bath. The strip was cut laterally to its length by a multiplicity of parallel cuts 18 and 18<SP>1</SP>, the cutting resulting in unoriented fibres 19 and 19<SP>1</SP> which extend from the non-cut centre segment 17 to the respective side edges of the strip. The sliced strip 20 was then held longitudinally from above and below the centre segment 17 by cold anvils which prevent the orientation of the centre segment, and clamps 21 and 21<SP>1</SP> fixed to the ends of the strips 19 and 19<SP>1</SP> were extended laterally to effect orientation along the length of the cut strip. The operation was carried out at a temperature of about 125 C. At the completion of the orientation step small unoriented portions which remained at the clamp ends of the strips 22 and 22<SP>1</SP> were cut off, leaving a brush fibre assembly according to the invention.
Patent GB-1166750-A (GB)
Title: A Collapsible Steering Assembly for Automobiles
IPC: B62D1/19
Filed: 1967-11-22
Abstract: 1,166,750. Collapsible steering columns. MITSUBISHI SEIKO K.K. 22 Nov., 1967 [7 Dec., 1966], No. 53242/67. Heading B7H. [Also in Division F2] A collapsible steering column comprises a steering shaft supported in the ends of a telescopically collapsible outer housing, the shaft consisting of a first portion 12 connected with a steering box and having a polygonal section rod 16, and a second portion 13 connected with a steering wheel and having a tubular part 17 with an end sleeve 18 of corresponding section to the rod 16, there extending around rod 16 and being retained in compression between portion 12 and sleeve 18 a corrugated metal tube 21 which collapses on an axial impact to the shaft. A stop 20 having a section corresponding to that of part 17 prevents separation of rod 16 and sleeve 18. In a modification, tube 21 may be retained within tubular part 17 and extend between stop 20 and portion 13. The tube 21 may be formed of two parts each having different rates of compressional collapsibility.
Patent GB-1376934-A (GB)
Title: Thermoresponsive safety closure device for containers
IPC: A62C3/06
Filed: 1972-11-17
Abstract: 1376934 Minimising fires in containers AMEECO Ltd 17 Nov 1972 [17 Nov 1971] 53288/71 Heading A5A A container for inflammable substances provided with means for automatically closing the lid in the event of fire comprises a normally open lid mounted on a hinge structure, a part extending from the lid outwardly beyond the hinge axis, and a thermo-responsive trigger mechanism operable to close the lid at a predetermined elevated temperature and including a closing member biassed to move towards the lid and restrained by a thermoresponsive link,  the closing member being positioned adjacent to the extending part in the open position of the lid so that when the link breaks the closing member moves into engagement with the said part to pivot the lid to the closed position. Vessel 1 has lid 2 pivotable at hinge 3 to open position 2a. Flange 4 extending from lid 2 forms part of the hinge structure and has a portion 4a, projecting outwardly beyond hinge 3, which abuts arm 5 when lid is in the open position. The hinge structure also comprises arms 6, which carry the hinge, and a pair of cross-members 7, Fig. 2, which lie in verticallyspaced, parallel horizontal planes. Pivot pin 8 is located between and held by bars 7 and carries link pin 9 which is secured at one end to arm 5 and at the other to vessel 1 through elongated hole 10. Pin 9 and arm 5 constitute the lid-closing member, since the combination is pivotable about pin 8 within the limits of hole 10. Further link pin 11 is rigidly secured at 11a to a flange connecting 7. The other end of 11 extends into vessel 1 and is connected to the inner end of pin 9 by means of fusible link 12 comprising overlapping metal plates 12a, 12b bonded by eutectic solder, e.g. of MPt 57‹C. Link 12 is dimensioned so that pin 9 is retained in its extreme anti-clockwise pivotal position about 8. In this position coil spring 13 is compressed between the free end of 5 and the upturned flange of 7. Thus spring 13, arm 5, pin 9, link 12 and pin 11 constitute the trigger mechanism. If, for example, solvent in vessel 1 ignites, link 12 fuses and pin 9 pivots under spring force causing arm 5 to fly out against part 4a and close the lid. In Fig. 3 the lid, hinge structure and trigger mechanism are all mounted on band 15 so that the whole closure arrangement can be releasably fitted to an existing open-ended container, e.g. an empty oil drum.
Patent GB-1452570-A (GB)
Title: Support device for a thickness-shear type quartz crystal oscillator element
IPC: G04F5/06
Filed: 1974-12-10
Abstract: 1452570 Piezo electric resonator CITIZEN WATCH CO Ltd 10 Dec 1974 [10 Dec 1973 28 Sept 1974] 53304/74 Heading H1E To support the edges of a thickness-shear mode convex lens-shaped quartz Piezo-electric resonator 4, elastomeric or resilient metal ring 5 carries upper and lower projections 5a, 5b alternating circumferentially. Terminal posts 7a in base 7 carry leads entering holes 5c where they are connected by fine wires 8, 8' to the edge tabs of electrodes 6. Cover 18 is sealed to ring 5 and/or base 7. Cover and base may be made of ceramic, plastics or metal, but preferably of quartz. Ring 5 may carry only two projections with circumferential channels to hold the crystal, Fig.3 (not shown). Alternatively ring 5 may be divided into two thin rings together forming grooved projections, Fig.4 (not shown). A flanged cover and base are preferable to allow hermetic sealing.