baber/WOPTO huggingface dataset:
Patent GB-1102689-A (GB)
Title: An improved rake or scarifier for use on greensward and the like
Inventor: HARGREAVES DEREK BURTT
IPC: A01D7/00
Filed: 1965-10-25
Abstract: 1,102,689. Hand rakes. "SISIS" EQUIPMENT (MACCLESFIELD) Ltd. 18 Oct., 1966 [25 Oct., 1965], No. 45021/65. Heading A1B. A rake or scarifier of the kind in which spring tines are attached to a body part fitted with a pair of skids which act as ground supports in advance of the tines, is characterized in that the body part comprises a plate 11 adapted at its ends to be secured to the skids 10 and having flanges 11a, 13 at both edges for location and attachment of the tines 14. The tines are formed in pairs from a length of spring wire. The flange 11a has a notched upwardly bent lower edge 11b forming a channel 11c which receives the connecting loop of the tines.
Patent GB-1071476-A (GB)
Title: Blast furnace lining member
Inventor: ZHEREBIN BORIS NICKOLAEVICH
IPC: C21B7/10
Filed: 1964-11-05
Abstract: 1,071,476. Blast furnace lining members. KUZNETSKY METALLURGICHESKY KOMBINAT. Nov. 5, 1964, No. 45107/64. Heading F4B. A lining member 1 for a blast furnace comprises a vertically mounted cast iron plate, bolted to the jacket 2, and containing cooling tubes 3, the plate being formed with projections 5 and hollows 6 to help form a protective layer of slag over the working surface, which is partly formed of refractory brick 8 built into the plate. The cooling tubes may be formed as coils connected horizontally in series, or as straight vertical tubes connected in vertical series for evaporative cooling. Gaps between adjacent plates are filled with iron putty.
Patent GB-1492954-A (GB)
Title: Diverter switch for on-load tap changing
IPC: H01H9/00
Filed: 1974-10-24
Abstract: 1492954 Mechanical switches MITSUBISHI DENKI KK 46127/74 Heading H1N A diverter switch for on-load switching between two taps of a transformer winding or the like comprises a main current-carrying fixed contact 10 connected to one tap 3, a main current-carrying fixed contact 5 connected to the other tap 2, a pair of main spring-loaded contacts 11 and 6 connected respectively to contacts 10 and 5, a resistant fixed contact 14 connected through a resistor 12 to said one tap 3, a resistant spring-loaded contact 13 connected to contact 14, an elongate common fixed contact 15, and a roller contact 20 movable across the contacts in continuous contact with common contact 15 and in selective contact with the remaining contacts in sequence; wherein the resistant fixed contact 14 overlaps the main contact 10, and each spring-loaded contact overlaps the fixed contact to which it is connected and also the fixed contact next in sequence to the last-mentioned fixed contact in the direction of movement of the roller contact. The spring-loaded contacts rock as the roller 20 passes over them (Fig. 3, not shown) and are provided with arc-resistant tips 30 of coppertungsten alloy. A second resistant fixed contact (9, Fig. 1, not shown) with a second resistant spring-loaded contact (8) may be connected to tap 2 via a resistor (7), the fixed contact (9) overlapping the main fixed contact 5. In this arrangement the spring-loaded contacts 13 and 6 are preferably on one line parallel to the common contact 15 while the spring-loaded contacts 11 and (8) are on another line also parallel to contact 15.
Patent GB-1281133-A (GB)
Title: Apparatus for controlling the operation of a valve
IPC: F16K31/02
Filed: 1970-10-01
Abstract: 1281133 Valves G. KROMSCHRÍDER AG 1 Oct 1970 [4 Oct 1969] 46714/70 Heading F2V [Also in Divisions F1 and F4] A valve 1 has a closure member 7 opened by a rod 10 so as to abut an adjustable stop 33. The valve is controlled by means 2 comprising an electrically driven pump 18, 19, 20, disposed in a storage tank 11 containing a pressure fluid and having a working pressure chamber 14 closed by a diaphragm 13 or piston which acts on the rod 10. A pressure-responsive switch 16, 31 connected with the chamber 14, cuts out the motor when the stop 33 is abutted, and cuts it in again before the valve member can disengage from the stop as the pressure gradually falls. Thus the flow rate can be exactly adjusted and maintained, and e.g. in gas or oil burner systems the risk of the flame going out under throttled flow conditions owing to fluctuations, is avoided. The valve 7 is closed by the opening of a solenoid operated vent valve 17, 34-37 connected with chamber 14. A control circuit includes a regulating switch 38, e.g. a thermostat, and a switch 39 associated with a safety device (not shown). In a modification, an additional solenoid operated vent valve (41), Figs. 3 and 4 (not shown), is connected with the chamber 14 through a restriction. The control circuit is arranged so that operation of the regulating switch 38 opens this vent valve to give a slow closing action, whereas operation of the safety switch 39 opens both vent valves (17, 41) to give quick closing.
Patent GB-1307630-A (GB)
Title: Prefabricated buildings
IPC: E04B7/02
Filed: 1970-10-01
Abstract: 1307630 Prefabricated buildings H SOMMERARD 1 Oct 1970 [2 Oct 1969] 46773/70 Heading E1A A prefabricated building is constructed from a series of bays and each bay comprises cavity walls 4, 5, roof sections 18, 19 of inverted tray-like configuration and floor sections of U-shaped cross-section which are arranged to form gutters 28, are upturned at 29 to form a raised floor or interconnected to-gether as at 31, 32 to form ducting 33. The walls are made of re-inforced concrete and are of partitioned cavity construction supported by feet 6 on piles or posts 7. The upper cavity is packed with heat insulating material 14 and the lower cavity in a wall communicates with that in adjacent bays to serve as a venting system. Each roof section is notched at 24 to rest on a wall and the roof sections of adjacent bays are pinned to-gether, a steel member suspended from one of the pins serving to support a tie-beam 25. The roof may be covered by bituminised card or felt, asphalt, tiles, corrugated aluminium plates, asbestos cement or synthetic resins, see also Specification for minor details of roof construction and materials employed therein.
Patent GB-1403418-A (GB)
Title: Photographic silver halide materials
IPC: G03C7/30
Filed: 1972-10-12
Abstract: 1403418 Colour photographic material EASTMAN KODAK CO 12 Oct 1972 [14 Oct 1971 31 Aug 1972] 47191/72 Heading G2C A gelatine/silver halide light sensitive emulsion comprises developable silver halide in an amount of up to 320 mg silver per sq m and gelatine in an amount of 215-1080 mg per sq m and also contains, or has associated therewith in an adjacent layer, a colour coupler in an amount of at least twice the weight of silver, the weight ratio of silver to gelatine being 1:2 to 1:20 and the weight ratio of coupler to gelatine being 1:0.5 to 1:2. The photographic material may comprise successive blue, green and red sensitive layers in which the green and red sensitive layers or all the layers are in accordance with the invention. Development may be with a primary aromatic amine colour developer and a cobalt complex having a co-ordination number of 6. Examples are given.
Patent GB-472470-A (GB)
Abstract: 472,470. Ticket - printing machines. KNAUS, F. Jan. 22, 1936, No. 2102. [Class 100 (iv)] [Also in Group XIX] Index type-wheel machines.-In a portable ticket-printer of the forceps type and comprising a plurality of type-wheels and ink-ribbon mechanism, the type-wheels are mounted in a frame which is guided rectilinearly during the impression-stroke. The apparatus shown in Figs. 1 and 3 comprises a housing 1 formed with a handle 2 to which is pivoted at 26 a handle 3, a spring 4 being arranged between the handles. Adjustable type-wheels 5 ... 15 are mounted on a shaft 27 secured to a frame 16 which is guided vertically by slotted guides 23 in the housing and is pivoted at 24 to the handle 3. The date, route number, direction, and time at which the vehicle leaves the terminus are printed by the type-wheels 5 ... 7, 8 ... 10, 11, and 12 ... 15 respectively. The type-wheels are provided with types 28, and indicia 29 which are visible through a window 30 in a door 31 mounted on a hinged housing- cover 32 provided with a fastening 34. The type-wheels are held in set position by means of a spring-urged pivoted plate 38 which is released by depressing a button 37. Since the group of type-wheels 5 ... 10 requires infrequent adjustment, whilst the group of typewheels 11 ... 15 requires adjustment for each journey, separate holding-plates for the two groups may be provided. After the door 31 has been opened and the holding-plates have been released, the type-wheels are set by applying a pencil &c. to the notches 29 and moving the pencil into contact with a bar 36. For printing the conductor's number, there is provided a type-carrier 40, preferably a wheel, which can be adjusted only by an authorized person. The housing is provided with a ticketslot 17 arranged under a resilient platen 72 on a plate 71 secured to the head 70 of the housing. Strips 73 may be inserted to adjust the platen. The ticket 18 is placed in position to receive a printed impression on a selected zone, and the handles 2, 3 are then gripped to effect impression. The printed matter in conjunction with the serial number of the ticket prevents fraud. The type-carrier 40 is arranged at the entrance of the slot 17 to ensure printing of the conductor's number even if the conductor, with the object of obtaining an incomplete impression, only partly inserts the ticket. Inking is effected by a ribbon 19 which is guided over the type-wheels and is wound on spools 45, 46 associated with feed-mechanism described below, the entire ribbon-mechanism being enclosed in the housing. Ink-ribbon mechanism.-The ribbon-spools 45, 46 are mounted on studs in the housing 1 and are provided with ratchet-wheels 53, 52 co-operating with pawls 54, 55 on a plate 56 pivoted at 62 to the handle 3. Feed occurs during the impression-stroke of the handle. V-grooves 67, 69 in the plate co-operate with a spring-pin 64. A roller 61 on the plate rides on the ribbon on the winding-spool and when that spool is full, the spring-pin 64 snaps from one groove to another and the plate is thrown over to reverse the feed automatically.
Patent GB-988988-A (GB)
Title: Packaging methods and apparatus
IPC: B65B53/06
Filed: 1963-11-29
Abstract: 988,988. Shrinking plastics covers. W. R. GRACE & CO. Nov. 29, 1963 [Nov. 30, 1962], No. 47302/63. Headings F4B and F4W. [Also in Division B8] A heat-shrinkable thermoplastic film 6 is restrained at its edges while it is heated, and is subsequently allowed to snap into tight engagement around the periphery of a container 25. The heating apparatus shown directs hot air up the interiors of tubes 20, 22 to shrink the film 6 on to the tube 22. The shrinking subsequently pulls the film on to a tube 17 cooled by air passing interiorly. The container 25, which is kept cool by air passing up the interior of a tube 27 on which it rests, and up a sliding tube 26, is then raised into contact with the film by vertical movement of the tube 26, so that the film is raised from the tube 17 and snaps about the container. To prevent the film sticking to the tubes 22, 23 their upper ends may be roughened by sand blasting or surface grinding, or may have a thin layer of a refractory ceramic. The tubes 22, 23, 27 may be of a section to suit the container 25. The heating may be effected by electric elements 21, or by steam coils. Specification 866,819 is referred to.
Patent GB-1403162-A (GB)
Title: Releasable paper clip
IPC: F16B2/20
Filed: 1973-10-10
Abstract: 1403162 Clips S PEYER 10 Oct 1973 [10 Oct 1972] 47398/73 Heading E2B [Also in Division B3] A releasable paper clip comprises stiff, resilient sheet material bent into a U-shape having two legs 2, 3, the leg 2 having at least one slit parallel to the bend forming an arched strip or strips 5 bowed out of the general plane of the leg 2, the or each arched strip constituting a bistable spring element for exerting a pressure on the other leg. The or each arched strip is pressed inwardly to clamping position, the clip being released by pressing the lateral zones 2', 2" of the leg 2 to the lowest level of the or each arched strip which then springs to its uppermost stable position. The clip may be made from a rectangular sheet of metal, by stamping at least one slit parallel to one edge, stretching a strip of metal adjoining at least one slit and bowing it out of the plane of the sheet and bending the sheet parallel to the or each slit so that the sheet has two parallel legs. The corners may be rounded or cut off and the edges may be rounded. The clip may be made of resilient plastics.
Patent GB-1034670-A (GB)
Title: Improvements in the fermentation of fresh tea
IPC: A23F3/08
Filed: 1963-12-02
Abstract: 1,034,670. Tea fermenting; tea extracts. NESTLE'S PRODUCTS Ltd. Dec. 2, 1963 [Nov. 27, 1963], No. 47491/63. Heading A2B. Fresh tea, i.e. leaves, leaf stems, buds and withered fresh tea leaves, is fermented by suspending in aqueous medium, decreasing the pH to between 3 and 5, advantageously to 3.7-4.5 and subjecting the suspension to the action of oxygen. The diminution in pH is effected by adding phosporic, hydrochloric or sulpuric acid. The tea is comminuted to 1-2mm. pieces for the suspension. 1 part of tea to 1-10 parts of water is used.
Patent GB-1082986-A (GB)
Title: Process and plant for the continuous production of mono and difurfurylidene acetone
IPC: C07D307/46
Filed: 1964-11-24
Abstract: A continuous process for the preparation of mono- or di-furfurylideneacetone by condensation of furfural with acetone in the presence of an alkaline catalyst, comprises preheating the reagents and conducting the condensation at 50 DEG  to 80 DEG  C. in the presence of a solvent for 2 to 5 minutes, immediately cooling, and neutralizing the products.  In a modification, the reaction is conducted under pressure at a temperature above 80 DEG  C. for a reduced reaction time.  Stoichiometric ratios of reactants are preferably used.  Water is a suitable solvent for preparing monofurfurylideneacetone and a C1- 5 alcohol for the di-compound. NaOH is a suitable catalyst.
Patent GB-1345758-A (GB)
Title: Astable multivibrator
IPC: H03K4/90
Filed: 1971-10-14
Abstract: 1345758 Astable circuit COMPAGNIE INDUSTRIELLE DES TELECOMMUNICATIONS CIT-ALCATEL 14 Oct 1971 [14 Oct 1970] 47832/71 Heading H3T An astable multivibrator comprises an inverter 10 which drives a monostable 35 via an AND gate 200, the inverted output of the monostable 35 being applied via a further AND gate 110 to a second monostable 95, the output of which is applied to the input of the inverter 10, a second inverter 160 having its output connected to the one input of the further AND gate. This gate may receive synchronizing pulses. A suitable voltage applied to the second input of the first AND gate 200 stops or starts the oscillator. The circuits may be in integrated form. Each inverter may be a NAND gate with the inputs strapped. The circuit may be used in time bases of video-phones.
Patent GB-1273590-A (GB)
Title: Improvements in or relating to continuous casting of molten metal
IPC: B22D11/06
Filed: 1969-09-30
Abstract: 1,273,590. Continuous casting; making moulds. SOUTHWIRE CO. 30 Sept., 1969 [23 Oct., 1968], No. 47950/69. Headings B3A and B3F. In a machine for continuous casting of metal, e.g. copper, having a grooved wheel 10 and closing band 15, coolant is sprayed on to the exterior of the wheel 10 or circulated against it and the walls 12-14 of the groove 11 have a thickness which is less than that at which the thermal stress in compression induced by the molten metal equals the yield point in compression of the walls. The thickness of low carbon steel walls 12-14 may be uniformly 0À12 inches or range between 0À25 and 0À50 inches. Copper walls may be 0À30 inches thick. The wheel 10 may be wedged or fit loosely between the edges 33, 34 of circular angle members 17, 18 bolted to rings 21, 25, the ring 25 being supported by studs 26 and nuts 28-31 or by a welded member from the ring 21 which is bolted to the wheel disc 23. The wheel 10 may be welded to the angle members 17, 18 and the nuts 29, 31 may be omitted, the studs being shorter. In a second embodiment, the wheel side walls (12<SP>1</SP>, 13<SP>1</SP>) taper from 0À25 to 0À5 inches, the outer faces being parallel and, for retention of the wheel in a coaxial position, those faces are welded to the angle members (17<SP>1</SP>, 18<SP>1</SP>) or the wheel is supported on brackets (42) on the ring (21<SP>1</SP>). To form a coolant channel (40) around the wheel (10<SP>1</SP>), there may be a partition (41) extending between the rings (21<SP>1</SP>, 25<SP>1</SP>). The low carbon steel wheel is made by welding the abutted ends of sheet stock 0À12 inches thick or of a 3 inch rolled section which has been bowed on a ring-forming machine.
Patent GB-1457340-A (GB)
Title: Hydraulic outlet velve
IPC: G05D7/03
Filed: 1974-11-08
Abstract: 1457340 Hydraulic control circuits A K GEBAUR & CIE SPEZIAL FABRIK FUR AUFZUGE 8 Nov 1974 [9 Nov 1973] 48534/74 Heading F1P [Also in Division F2] In the circuit shown, Fig. 1, a constant delivery pump 3 raises a load 15 by means of a ram 1 and the speed of the ram may be reduced by an adjustable by-pass valve 7 which operates independently of the weight 15. The valve 7, Fig. 2, is operated by a pre-control valve 25. When the latter is closed, as shown, the pressure pre-set in a chamber 20 builds up in a chamber 19 through conduits 22, 23 causing a piston 17 to move to the left to close an orifice 21. In this position a throttle piston 38 closes a passage 34 and the entire pump output goes to the ram 1. To slow down the ram, the valve 25 is switched by de-energizing a solenoid, thus connecting the chamber 19 to the reservoir. The piston 17 moves to the right opening the orifice 21. Since pressure in the chamber 20 drops, the piston 38 moves to the left and opens passage 34 so that fluid flows to chamber 20 and to the reservoir. Because the pressure in chamber 20 remains constant regardless of the pressure in pipe 8, the device is independent of the load 15. All the throttles are turbulence throttles so the viscosity of the fluid does not affect the throttling action.
Patent GB-966464-A (GB)
Title: Method of forming single crystal films
IPC: H01L21/00
Filed: 1962-12-24
Abstract: Single crystals of elements of Group III and V and II and VI of the Periodic Table as well as binary and ternary compounds of elements used in conventional semi-conductor technology and in particular silicon are formed on a substrate of alumina ceramic coated with a glaze of glass wherein the vapour of the material to be crystallized is brought into contact with a fluid surface of the glass at a temperature below the melting-point of the materials to deposit the material thereon as a single crystal. A glazed substrate 10 is positioned on the graphite adapter 14, which in turn is supported more or less centrally in the chamber on a supporting rod 14a, and all connections are <PICT:0966464/C1/1> sealed.  The induction coils 16 are energized, and the substrate 10 heated to melt and maintain the molten glaze at the desired temperature, for example, 1000 DEG to 1250 DEG  C.  The valve 30 is opened in order to flush the complete gas purification train together with the reaction chamber and gas disposal section. While flushing the apparatus, the silicon chloride flask 32 is cooled down to a temperature of the order of - 30 DEG  to - 40 DEG  C. For the deposition run, the valves 30 and 36 are positioned to allow the dried hydrogen to bubble through the silicon chloride and to permit the vapour mixture of silicon chloride and hydrogen to be carried into the reaction chamber.  As the vapour mixture reaches the vicinity of the heated substrate, the silicon chloride decomposes into elementary silicon and chlorine, this reaction occurring at approximately 1000 DEG  C. The elementary silicon deposits on the molten surface of the substrate, and because of the atomic fluidity of the surface, the silicon arranges itself in a single crystal lattice structure. Apparently because of the surface tension of the fluid surface, there is no evident mixing of the glass and the arriving silicon. While the flow rate of the vapour mixture is largely dictated by the nature of the apparatus, a rate of one-half to one litre per minute has been found satisfactory.  With this rate of flow of gas, silicon in single crystal form was deposited at a rate of approximately one micron per minute.  The hydrogen chloride then passes out of the reaction chamber 18 through the effluent disposal section 38, where any unreacted silicon chloride is frozen out, after which the exhausted hydrogen is burned. The silicon crystal on the substrate will continue to grow as the deposition run proceeds. Lead cadmium bismuth and tin may be used as the glazes for the ceramic wafer and also molymanganese which is particularly advantageous with silicon and gallium arsenide conductors.
Patent GB-983561-A (GB)
Title: Method and apparatus for the rapid drying of a sample of moist material
IPC: G01N5/04
Filed: 1962-12-28
Abstract: 983,561. Drying food &c. OSCAR MAYER - KARTRIDG PAK S.A. Dec. 28, 1962, No. 48826/62. Heading F4G. Food or like samples are dried on a foraminous plate or screen (not shown) by spreading thereon in a thin layer and pressed into the openings therein, the plate being horizontally and removably mounted in a shallow support pan (not shown) carried in the arms 34 of a support frame 30 which is slidably mounted in a drying oven 21. The frame is moved by an endless band 36 and reversible motor 38 between actuating arms 41, 44 which operate switches 40, 43 to energize or de-energize, respectively, the motor 38 when the frame reaches a position adjacent a front opening door 22 and beneath a radiant heater 25, respectively. A first timer actuates the motor 38 and a second timer is in contact with a variable transformer connected to the heater so that the sample is first heated at a comparatively high temperature for a period of time ending before the rate of evaporation of water from the sample falls below that in which input exceeds evaporation, and then heating the sample at a lower temperature for a larger period which is terminated by the second timer actuating the motor to remove the plate from beneath the heater.
Patent GB-1076119-A (GB)
Title: Screen deck for centrifugal screens
IPC: B04B7/18
Filed: 1964-12-02
Abstract: 1,076,119. Making screens; welding by pressure. KLÍCKNER-HUMBOLDT-DEUTZ A.G. Dec. 2, 1964 [Feb. 22, 1964], No. 48978/64. Headings B3A and B3R. [Also in Division B1] A centrifugal separator drum incorporates a screen deck consisting of screen rods 1 of triangular or trapezoidal section which are connected together and spaced by transverse strips 3, the strips 3 being on the sides of the rods which face radially inwards of the drum. The screen deck illustrated is produced by pressure resistance welding of rods 1 and strips 3 on a flat surface, and sections of the resulting screen are subsequently bent by hand to the desired curvature to fit in a supporting drum basket. The spacing of rods 1 may vary longitudinally to match a frusto-conical basket, such a screen being made using different spacing combs for each strip 3 or by using different comb-like electrodes for welding successive strips 3.