baber/WOPTO huggingface dataset:
Patent GB-1433323-A (GB)
Title: Space heaters
IPC: A01G9/24
Filed: 1972-01-13
Abstract: 1433323 Heating greenhouses JOHN MARK NICHOLSON Ltd AH DRUMMON Ltd and ELLIOTT SIMMONDS Ltd [trading as NICHOLSON MFG Co] 13 April 1973 [13 Jan 1972] 1687/72 Heading F4V A space heater of the combustion type which in use delivers combustion-heated air to a greenhouse or like structure is provided with flexible ducting leading to air inlets of the heater so that air to be heated may be drawn from one or more selected points in the greenhouse remote from the heater, and a temperature responsive device located adjacent an inlet of the heater to respond to the temperature of air entering the heater from the ducting; said device controlling the operation of the heater to maintain a selected temperature of the air in the greenhouse. In the form shown, four flexible duets are provided, one duct 14a having an air inlet 15a raised from ground level and communicating with a heater inlet 13a, and the other three ducts 14b having their inlets 15b at ground level. A thermostat 16 adjacent inlet 13a controls the supply of gas to the gas-burning heater.
Patent GB-103689-A (GB)
Title: Improvements in the Utilisation of Nitre Cake.
IPC: C01B17/50
Filed: 1916-02-04
Abstract: 103,689. Llewellyn, I. P., and Spence & Sons, P. Feb. 4, 1916. Sulphur dioxide; sodium sulphate.-Nitre-cake is heated with metallic iron or pyrites. Sulphur dioxide is evolved, and a mixture of sodium sulphate and iron oxide remains, from which the sodium sulphate may be obtained. If pyrites is used, any sulphur produced is condensed from the evolved gas.
Patent GB-1410709-A (GB)
Title: Process for the manufacture of mixtures of formaldehyde and  methanol by partial oxidation of methane
IPC: C07C27/14
Filed: 1973-01-12
Abstract: 1410709 Oxidizing methane CHEMISCHE WERKE HULS AG 12 Jan 1973 [13 Jan 1972] 1715/73 Heading C2C A process for the partial oxidation of methane to form formaldehyde and methanol comprises effecting oxidation of methane by contact thereof with an oxidation gas consisting of or containing molecular oxygen in a reaction zone in which the methane and oxidation gas are under a pressure of from 5 to 60 atmospheres, the methane having a temperature of from 300‹ C. to 600‹ C. and the methane and oxidation gas being reacted at an average residence time in the reaction zone of from 0À5 x 10<SP>-3</SP> to 5+10<SP>-3</SP> seconds in the form of a flame, and then quenching the reaction mixture and recovering the formaldehyde and methanol formed. The quenching may be effected by introducing the gas stream into a chamber, e.g. a turbulence chamber, a cyclone or a looped reactor, in which it is subjected to very intensive mixing.
Patent GB-711571-A (GB)
Title: Improvements in or relating to fabric-covered dress accessories, such as buckles andbuttons
IPC: A44B11/00
Filed: 1952-02-23
Abstract: 711,571. Fabric-covered buttons and buckles. WARDLEWORTH, G. E., [trading as PICCADILLY PLEATING CO.]. May 26, 1953 [Feb. 23, 1952], No. 1829/52. Class 43 A dress accessory such as a button or buckle comprises two body members A, B, Fig. 4, of thermoplastic material such as polythene fused together in superimposed or interfitting relation and a fabric covering C extending over the outer face of one member with its edge or edges c engaged between the meeting faces of members A and B prior to fusion together so as to be permanently incorporated in the thickness of the assembly. The preformed member A, with its one face covered with a sheet of fabric C, and similar member B are placed respectively in recesses of corresponding shape in plungers F<1> F<2>, Fig. 3, located in recesses D<1>, D<2> in metal dieblocks E', E<2>. When plunger F<1> is moved towards plunger F<2> by applying pressure to plates M<1> M<2>, since spring H<1> is weaker than spring H<2>, the edges c of the fabric covering C are deflected inwards by contact with the chamfered edges of the recess D<2> which overhang the peripheries of recess D'. With continued pressure on plates M<1>, M<2>, plunger F<2> descends to turn over the edges c upon the member A, and to press together the previously melted faces of the members A and B until fusion together takes place. The heating of the contacting faces of members A and B may be effected before the dies are put in opposing positions or a single electric heater may be interposed between the die blocks E<1>, E<2> and may be provided above and below with hollow spigots complementary to the adjacent die recesses to direct heat on to the surfaces to be treated. In an alternative method, the die blocks E<1>, E<2> are made of insulating material such as fibre, and a perforated flat frame O, Fig. 5, of thin sheet iron is tightly gripped by the members A and- B and is then heated by high-frequency induction current to effect fusion of the surfaces, the frame O serving ultimately as a reinforcement to the buckle frame. Fusion of the two bodies A and B together may also serve to retain a crossbar in assembled relation with the frame.
Patent GB-410912-A (GB)
Title: Means for attaching articles to mudguards of cycles or motor cycles
IPC: B62J11/00
Filed: 1933-01-20
Abstract: 410,912. Clips. JONES, H. J., 123, Falcon Road, Battersea, London. Jan. 20, 1933, No. 1863. [Class 44.] A device for attaching articles, such as pennants, flags, mascots &c. to the mudguards of cycles comprises a metal disc 1 radially slotted at 2 for the insertion of the end of the mudguard, and tapped at rightangles to the slot to receive a threaded rod 5, which carries the flag &c. and is clamped against the mudguard.
Patent GB-489113-A (GB)
Title: Rotating plate condenser
IPC: H01G5/06
Filed: 1937-01-22
Abstract: 489,113. Variable condensers. RADIOAKT.-CES. D. S. LOEWE. Jan. 22, 1937, No. 1953. Convention date, Jan. 25, 1936. [Class 37] A stator is mounted firmly in a metal casing as by screws 5 bearing an insulating end plates 4 and undesirable vibrations of the unsupported edges of the plates are prevented by a plate 6 pressed against these edges by screws 7. The Specification as open to inspection under Sect. 91 comprises also a construction of condenser in which the stator plates are held by their end edges in plates screwed to insulated end plates held outside the main casing by flanged metal plates. This subject-matter does not appear in the Specification as accepted.
Patent GB-216464-A (GB)
Title: An improved sterilising medium
IPC: C11D1/00
Filed: 1923-06-09
Abstract: 216,464. ThÚsÚe, V. J. M. June 9, 1923. Antiseptics.-A sterilizing composition comprises a mixture of trioxymethylene and sodium tungstate to which an aromatic essence, such as essence of thyme, orange, or lavender, may be added. Preferably, equal parts of trioxymethylene and sodium tungstate are triturated together and several drops of essence added. Compositions so prepared are stated to be particularly suitable for use in receptacles having walls adapted to direct ultra-violet rays towards the interior. such as the receptacle described in Specification 211,434.
Patent GB-289510-A (GB)
Title: Improvements in water tube steam boilers
IPC: F22B21/34
Filed: 1927-01-24
Abstract: 289,510. Wessblad, K. F. Jan. 24, 1927. Water-tube boilers.-In a boiler comprising an upper drum or drums 2 and a pair of lower drums 3 connected by more or less vertical tubes, the drums are connected by two inner series of generating tubes 4, which enclose the furnace 1, and two outer series of down-tubes 5, while steam superheaters 9 and feed-water heaters 11, are arranged between the inner and outer tubes and air heaters 14 on the outer side of the outer tubes. The generator tubes 4 preferably extend from the lower drums first upwards along the sides of the firebox and then cross each other above the firebox to the upper drums, and the tubes are adapted to form walls either by inserting firebrick 5a between them or by placing them close to. gether. The outer tubes are also arranged to form flue walls in a like manner. The paths of the air. which enter the heaters through openings 17, and the gases of combustion are indicated by arrows.
Patent GB-588739-A (GB)
Title: Improvements in or relating to ring winding apparatus
IPC: H01F41/08
Filed: 1945-01-26
Abstract: 588,739. Covering cores by winding. MICAFIL, Ltd. Jan. 26, 1945, No. 2116. Convention date, Jan. 26, 1944. [Class 109] [Also in Group XXII] In a ring support with circular feed for ring winding machines comprising at least three rotatable rods c capable of being swung outwards and driven by the vertical feed shaft q of the machine over gear wheels, each of the rods having a feed roller o rigidly fixed thereto with a freely rotatable supporting plate p mounted therebelow, and the rods being pressed against the ring to be wound r by a spring j, Fig. 2, the three rotatable rods are driven from the feed shaft by a common worm wheel s whose teeth lie on an arc the centre of which lies on the axis about which the rods swing, and which is in engagement with driving gear wheels u fixed to the rods. The rotatable rods c with their bearings k project through radial slots b in a cover a, fixed to the machine frame d, which houses the operating mechanism. The ends of the rods c are pivotly mounted on axles i located in bearing pockets l projecting inwardly in the cover and are held by the spring j by means of three balljointed cranks g connected at one end, above the swivel axles i, to short levers h on the rod bearings k and at the other end to a rotatable mounting f sliding around a hollow central boss e of the cover which mounting is held by the spring j through an arm m affixed thereon. The device enables the feed motion to be transmitted to the ring to be wound independently of the increase in diameter which occurs as the winding progresses. An external lever enables the rods to be swung apart for the insertion of empty rings or removal of wound rings. The rings may be wound with wire, cord or tape.
Patent GB-371857-A (GB)
Title: Pressure relief valve for submarine escape and similar apparatus
IPC: F16K15/02
Filed: 1931-01-22
Abstract: 371,857. Respiratory appliances. DAVIS, R. H., 187, Westminster Bridge Road, London, and LEGG, G. W., H.M.S. Dolphin, Gosport, Hampshire. Jan. 22, 1931, No. 2141. [Class 81 (ii).] A. pressure release device for inflatable breathing bags of submarine escape apparatus and the like comprising a spring-loaded valve seated upon the mouth of a tubular casing has a cam device movable by a manipulating member from an operative valve locking position to an inoperative valve releasing position. The margin of a hole in the envelope is clamped between a flange 10 on the casing 1 and a clamping ring 11 by a screw nut 12. The valve 2 which is bevelled to fit a seat 3 on the casing 1 is guided in said casing by three legs 7 projecting from a plate 8 secured to the inlet side of the valve and having a sliding fit in the casing. A loaded spring 4 has one end anchored to the valve and the other to a cross-bar 5 seated in notches 6 in the casing. An external guard for the valve comprises a ring 14 secured to a hoop 13 mounted on the clamping ring 11. The cam which comprises a cranked bar 15 pivoted in the hoop 13 has a manipulating member 16 whereby it may be turned to press the valve to its seat, or to leave the free valve to operate. In both positions it engages a resilient retaining lug 17. A filter 18 of wire gauze or like material on the inlet of the valve prevents the passage of solid matter from the inside of the envelope to the valve or its seat. In a modification, the valve is not bevelled but has a rubber or like pad on its underside.
Patent GB-657000-A (GB)
Title: Improvements in and relating to crumb scraper and ejector for electric toasters
IPC: A47J37/08
Filed: 1949-01-26
Abstract: 657,000. Toasters. BRITISH THOMSONHOUSTON CO., Ltd. Jan. 26, 1949, No. 2160. Convention date, Jan. 27, 1948. [Class 28(i)] The base or the removable crumb tray 9 of a toaster is provided with a scraper frame 17, 18 movable over the tray (or base only) by a handle 23, 24 to loosen crumbs from the tray. The tray or base has slots 29, 30 and 31 through which crumbs are swept by the scraper to fall on a piece of paper or cloth placed beneath. The opening 29, 30 are temporarily masked by the scaper frame when returned to position by the spring 27. The opening 31 is masked from falling crumbs. The crumb tray 9 may be secured to the base by its hingelike lugs 10 on one edge taking into slots (12, not shown), in the base and is secured at the other side by spring clip 11.
Patent GB-1204078-A (GB)
Title: Cable accessory incorporating stress relief cone
IPC: H02G15/08
Filed: 1969-01-14
Abstract: 1,204,078. Cable terminations. PIRELLI S.p.A. 14 Jan., 1969 [23 Feb., 1968], No. 2166/69. Heading H2E. A termination 2 for a screened insulated cable 1 comprises a bushing 4 of elastomeric insulating material in which is embedded an annular conductive elastomeric element 3 forming a stressrelief cone, the bushing 4 being held on the cable by two threaded insulating clamping rings 7, 8. The bore of the bushing is greater at its lower end 5 and less at its upper end 6 than the cable diameter. To apply the termination, the cable screening 12 is stripped back and removed so as to terminate at 13, and the cable is inserted into the bushing 4 until the screening at 13 contacts the conductive element 3. As the clamping rings 7, 8 are screwed together they compress the bushing primarily by means of an annular wedge element 9 into tight sealing engagement with the cable insulation. The tapering bore of the bushing prevents the bushing edge 11 from rising from the cable insulation.
Patent GB-1391931-A (GB)
Title: Sorting unit
IPC: B07C1/16
Filed: 1972-01-17
Abstract: 1391931 Sorting sheet material on conveyers JOHN STRANGE & CO (ENGS) Ltd 17 Jan 1973 [17 Jan 1972] 2185/72 Heading B8A [Also in Division G1] Sheet materials, of for example tin plate, copper, brass, aluminium, plastics, paper, or cardboard, may either continue being transferred along a series of endless conveyer belts 4, or may be deflected at the end of any one of the belts by the action of a tiltable flap 12. The latter is deflected from its horizontal position (in which it connects adjacent belts, by the action of a signal transmitted from unit 6 when a predetermined area of thickness is detected in the material. The thickness is monitored by a roller 22 connected by a linkage 23-31 to probes 32, 33. The latter, on detection of the predetermined thickness dip into mercury 34 and complete an electrical circuit. The linkage is dashpot damped at 36 and may be adjusted at 38. (For Figure see next page.)
Patent GB-444608-A (GB)
Title: Improvements in high frequency coupling coils
IPC: H03J5/24
Filed: 1935-01-23
Abstract: 444,608. High-frequency transformers. HAZELTINE CORPORATION, 15, Exchange Place, Jersey City, New Jersey, U.S.A.- (Assignees of Johnson, J. K.; 2600, North Kedzie Avenue, Chicago, U.S.A.) Jan. 23, 1935, No. 2289. Convention date, Feb. 27, 1934. [Class 38 (ii)] [See also Groups XXXVI and XL] A high-frequency coupling system adapted to operate over a number of frequency bands comprises a number of secondary coils connected in series, means for short-circuiting one or more of the coils and a short-circuited winding for preventing interaction arising from local resonance in the short-circuited coil or coils. In the form shown in Fig. 2, the H.F. transformer comprises a primary winding 21 and a secondary winding in three sections 22, 23, 24 so that by switching three wave bands can be covered, the two parts 22, 23 being separated by a short-circuited turn 33 which reduces the coupling between these sections so that when operating on the short wave band with the sections 23, 24 shorted less loss results. The application of such transformers in a superheterodyne receiver is shown at 13, 15 and 17 in Fig. 1. The tapping switches 26, 39 and 51 and condensers 25, 46 and 65 are separately ganged for simultaneous control. The transformer 15 has a dead end coil 44 for capacity coupling and a primary in two sections 34, 35, the section 35 being shorted during short wave operation and bridged by a condenser 58 for long wave operation by means of a switch 55. The local oscillator transformer 17 is provided with alignment condensers 60, 61 controlled by a switch 56. Switches 55, 56 are gauged to tapping switches 26, 39 and 51.
Patent GB-1516401-A (GB)
Title: Spraying apparatus for producing fibre-reinforced construction materials
IPC: B28C5/40
Filed: 1975-01-20
Abstract: 1516401 Spray-producers HOTACO AS 14 Jan 1976 [20 Jan 1975 2 May 1975] 2289/75 and 18408/75 Heading B2F [Also in Divisions El and E2] Apparatus for producing a fibre-reinforced construction material comprises an inner tube 1, an intermediate tube 2 surrounding said inner tube and having an inlet 3 for introducing pressurized air into the chamber between said tubes 1 and 2, an annular insert 4 mounted between the downstream ends of said tubes 1 and 2 and having a plurality of inwardly inclined bores 5 whose axes meet at a point downstream of the apparatus, and an outer tube 6 surrounding said tubes 1 and 2 and having an inlet 7 for admitting construction material and an opening 9 downstream of the insert 4. In an alternative embodiment the insert 4 comprises an inner part with a frusto-conical outer surface fitted around the inner tube 1 and an outer post with a corresponding frusto-conical inner surface fitted in the tube 2, thereby defining a converging annular passage whose width can be adjusted by longitudinal movement of one of the two parts. The outer tube 6 has an annular insert 8 mounted in its downstream end and is mounted on the tube 2 by a screw thread so that the distance between the inserts 4 and 8 can be adjusted. In use, construction material such as mortar or plastics is supplied through the inlet 7, fibres are supplied to the inner tube through an opening 13 into which a cutter may be fitted, an air-borne stream of fibres is produced in the inner tube by means of air supplied through an inlet 11, and pressurized air is supplied through the inlet 3 and discharged as jets through the bores 5; the fibres and construction material are mixed together just before leaving the apparatus through the opening 9 and the jets of air tend to concentrate the mixture in front of the apparatus. If unhardened plastics is used as the construction material, hardening agent may be supplied with the pressurized air through the inlet 3; the air causes atomization of the hardening agent.
Patent GB-880285-A (GB)
Title: Improvements in or relating to speed control systems for electric motors
IPC: H02P29/00
Filed: 1958-01-23
Abstract: 880,285. Automatic speed-control systems. TELEFUNKEN G.m.b.H. Jan. 23, 1958 [Jan. 23, 1957], No. 2294/58. Class 38 (4). The speed of an electric motor, for example an A.C. asynchronous driving motor 2, 3 of a magnetic tape recorder, is kept constant by comparing the frequency f1 of pulses produced in an induction coil 8 by a toothed disc 7 on the motor shaft with a reference frequency f0 obtained from oscillator 11 via a frequency divider/ multiplier 12, and using the output of comparer 10 (which is zero for f1 < f0 and increases rapidly as f1 exceeds f0) to control an eddy-current brake 5. 6.
Patent GB-1020336-A (GB)
Title: Improved livestock enclosure
IPC: A01K3/00
Filed: 1964-01-20
Abstract: 1,020,336. Livestock enclosures; agricultural implements. R. A. BRADSHAW. April 17, 1964 [Jan. 20, 1964], No. 2326/64. Headings A1B and A1M. A mobile livestock enclosure, which has an open base to provide access to forage or grass, is motor driven and adapted to move automatically to follow movement of the livestock over the ground. The enclosure 2 is supported on a wheeled framework 4 on each side of which is located/mounted a cable drum 9 driven by an electric motor 8 to wind up a cable 13, the other end of which is tethered e.g. to a sprag mounted on a tractor, the motor circuit being controlled by means of a pivoted flap 16 which when moved outwardly by contact with an animal breaks the motor circuit. A cultivating implement, e.g. a reversible plough 33 is supported on a wheeled bogie which runs on rails 30, 31 provided across the rear of the framework, the bogie being moved by means of a cable which is wound on to drum 36 driven by an electric motor 37, means being provided such that while the implement is in the ground forward motion of the enclosure is prevented. A seed sowing device may also be attached to the bogie.
Patent GB-1150336-A (GB)
Title: Improvements in Switching Matrices
IPC: H01L23/535
Filed: 1967-01-17
Abstract: 1,150,336. Decimal half-adders. INTERNATIONAL BUSINESS MACHINES CORP. 17 Jan., 1967 [17 Jan., 1966], No. 2358/67. Heading G4A. [Also in Division H1] A switching matrix is formed by an array of field-effect transistors arranged in rows and columns on a common semi-conductor substrate. The transistors in each row have a common source electrode and those in each column have a common gate electrode. Means are provided for selectively applying drive pulses to the common source electrodes as are means for selectively applying gating pulses to the common gate electrodes. The embodiments describe the use of IGFETs operating in the enhancement mode, but it is stated that unipolar transistors may be used. In the construction of Fig. 1 the source diffusions S0-S9, S<SP>1</SP>0-S<SP>1</SP>9 and drain diffusions D are made simultaneously by diffusion of phosphorus into a high resistivity silicon wafer through holes in a genetic silica coating which regrows during the process. The gate electrodes G0-G9, G<SP>1</SP>0-G<SP>1</SP>9 are formed by completely coating the insulated wafer with aluminium which is then selectively removed. The matrix consists of transistors T00-T99. The wafer additionally contains driver transistors DR0-DR9 whose drain electrodes are respectively formed by the extended source diffusions S0-S9 of the matrix. The load R associated with a particular transistor is energized along when the appropriate driver transistor DR and gate G are activated by conventional pulse sources PS2, PS1. In the similar decimal half-adder of Fig. 4 the source and drain electrodes of the matrix and its driving transistors are made by a first diffusion process. The " horizontal " crossunder connectors 0-9 and 0-18 may be formed by a surface metallization pattern over the insulating oxide or may be formed by a second diffusion process yielding N<SP>+</SP> patterns in the surface of the wafer. In the latter case the linking " vertical " cross-unders are then made by surface metallization at the same time as the formation of the gate electrodes G0-G9, G<SP>1</SP>0-G<SP>1</SP>9 of the matrix and driving transistors. In operation a decimal digit is fed in from source DS 1 simultaneously with a second digit from the other source DS2, and the cross-under 0-18 corresponding to the sum of the digits is energized.