baber/WOPTO huggingface dataset:
Patent GB-1425315-A (GB)
Title: Solid fuel fired combustion appliance
IPC: F23L3/00
Filed: 1972-10-03
Abstract: 1425315 Solid fuel fired combustion appliances COAL INDUSTRY (PATENTS) Ltd 28 Sept 1973 [3 Oct 1972] 45478/72 Heading F4W A solid fuel fired combustion appliance includes a panel 28 located adjacent the firefret 24 to form a passage 36 therebetween for the flow of gas into an ash-receiving zone 6. The panel comprises transparent or translucent tubes, either open or closed, disposed either horizontally or vertically. The panel may be stationary (as shown) or movable in order to close the fire opening 38 (Fig. 2, not shown). In operation, air is induced through the opening 38 for down-draught combustion, with a secondary air flow passing through passage 22. Volatiles emitted from the top of the firebed are vented into the zone 6 by the induced air passing through the respective passages 22 and 36; thus preventing any such gases from entering the room.
Patent GB-1280039-A (GB)
Title: Thin films strips for high density thin film registers and the like
IPC: G11C19/08
Filed: 1969-09-16
Abstract: 1280039 Magnetic storage devices AMPEX CORP 16 Sept 1969 [20 Sept 1968] 45500/69 Heading H3B [Also in Division H1] In a thin film magnetic register comprising a thin flat straight strip of magnetic material and means for applying a magnetic field to the strip so as to propagate magnetic domains along it, the strip is so narrow, relative to the length of each domain, that the boundaries of the strip interact with the domains so as to oppose their expansion along the strip. The strip may be a window of relatively soft magnetic material within a region of relatively hard magnetic material, with its easy axis along its length. Alternatively, the soft magnetic window may be formed on a substrate without the hard boundaries. As the width of the soft magnetic window 16 is decreased, the decreasing width/length ratio of the domains 14 causes a decrease in interaction between adjacent domains. In one embodiment, a closed flux structure is provided (Fig.8). Domains 32 are stored within thin strips 34, 36 connected along their lateral edges and enclosing conductor 40. The invention permits higher packing densities without domain interaction and spurious nucleation. Maximum film thickness (for optimum read-out) is determined for any given packing density and coercive force M C  from empirically-determined graphs relating demagnetizing field H L  and film thickness for various domain lengths.
Patent GB-1017300-A (GB)
Title: Flake and knop yarns and process and apparatus for their production
IPC: D01D5/20
Filed: 1964-11-09
Abstract: 1,017,300. Spinning synthetic filaments. CHIMIOTEX S.A. Nov. 9, 1964 [Nov. 18, 1963], No. 45638/64. Heading B5B. [Also in Division G3H] In a process for making flake or knop yarn from artificial or synthetic polymer material, the material is conveyed to a spinneret by means of an adjustable flow pump driven by an hydraulic motor, the drive to the motor being varied by photo-electrically generated control pulses which produce pressure pulses in an hydraulic system. The control pulses may be generated by projecting a filmed programme on to a photo-electric cell. The filmed programme may be drawn or derived from impulses originating from radioactive sources, images of the pulses being formed on the film as a black- and-white code. The film may contain several tracks, and may be provided with additional markings which initiate pulses in additional photo-electric cells for reversing, moving laterally or varying the speed of the film. In one embodiment, an hydraulic system for driving the spinning pumps consists of circulation systems 11, 12 and oil reservoir 10. Pump 13 circulates oil in system 11 through electromagnetic valve 17 which is open when no current flows. Amplified pulses from electrical circuit 9 and derived by photo-electric means, close valve 17 at irregular intervals, causing oil to flow through non-return valve 21 into system 12 supplied by pump 18. The momentarily increased flow in this system causes hydraulic motor 25 and thus the spinning pumps to which it is connected to be driven at increased speed, thus producing a flake or knob in the yarn being spun. The basic denier of the yarn is adjusted by the speed of pump 18, the flake denier being adjusted by means of alteration of delivery of pump 13. Flake form may be controlled by counter-pressure valve 26. In an example, knop yarn is spun from viscose.
Patent GB-983356-A (GB)
Title: Hydraulic systems and valves
Inventor: HAHN EMIL H
IPC: B60T11/32
Filed: 1963-11-19
Abstract: 983,356. Hydraulic brakes; valves. LAMBERT BRAKE CORPORATION. Nov. 19, 1963, No. 45656/63. Headings F2F and F2V. [Also in Division B7] An hydraulic control system comprises a first master cylinder connected by a first conduit to a first actuator, a second master cylinder connected by a second conduit to a second actuator, and means for interconnecting the two conduits in response to simultaneous rise of pressure in both master cylinders, but not otherwise. The system 10 comprises two brake units 12, 14, with their cylinders 16, 18, two master cylinders 20, 26 with their operating pedals 24, 30, and a valve 34. The master cylinder 20 and brake cylinder 16 are connected to one end of the valve 34 by conduits 36, 38 and the master cylinder 26 and brake cylinder 18 are connected to the other end of the valve 34 by conduits 40, 42. The conduit 36 connects with a port 56 in the end plug 48 of the valve 34, Fig. 5, the conduit 40 connects with a port 58 in the end plug 52, the conduit 38 connects with a port 60 in the body 44 of the valve 34, the conduit 42 connects with a port 62 in the body 44 and ports 64, 66 in the body 44 are interconnected by a conduit 68 or by a passage in the wall thickness of the body 44. Normally, Fig. 5, the ports 64, 66 are closed by pistons 70, 72, of which a tubular extension 84 from the piston 70 slides in a tubular extension 82 from the piston 72, and the pistons occupy their normal relative positions by the action of a spring 86 in the tubular extension 84. A pin 88 projects into slots in the pistons to limit their axial movement. When only one brake pedal is operated, e.g. the pedal 30, hydraulic fluid enters only one end of the valve 34, e.g. through the port 58, Fig. 6, and forces back one of the pistons, e.g. the piston 72, so that it flows out through the corresponding port, e.g. 62, to the conduit 42, leading to the corresponding brake cylinder 18. The port 66 is uncovered by the piston 72 but there is no fluid flow through the interconnection 68 because the port 64 is closed by the other piston. Conversely, if the brake pedal 24 only is operated, fluid leaves the valve 34 only by the conduit 38. If both brake pedals are operated and there is out-off-balance of pressure between the brake cylinders 16, 18, due, e.g. to uneven brake wear, both pistons 70, 72, are moved and both ports 64, 66 are opened, so establishing an intercommunication 68 through which fluid is transferred to equalize the pressure difference.
Patent GB-983737-A (GB)
Title: Full tension appliance for reinforced linear bodies
Inventor: FINN THOMAS JAMES
IPC: H02G7/05
Filed: 1963-11-20
Abstract: 983,737. Coupling cables; eyes and loops. PREFORMED LINE PRODUCTS CO. Nov. 20,1963, No. 45787/63. Heading D1T. [Also in Division H2] Securing means for a reinforced cable, which has a core 20 of high tensile strength material such as steel and which extends beyond the end of an outer covering 22 of highly conductive material such as aluminium or copper, comprises a helically pre-shaped element 13 having two internal helical diameters one of which grips the core extension and the other the outer covering. The helical element 13 has a mid-section 14a, 14b and an end-section 16 and 18; midsection 14a, 14b has an internal diameter less than the external diameter of the core and the end section 16 and 18 has an internal diameter greater than that of mid-section 14a, 14b but less than the external diameter of the covering 22. A plurality of similar helical elements laid side by side may be used to form an eye on the end of the cable (Fig. 4 not shown) thus covering the cable and increasing the grip thereon. In a further embodiment (Figs. 5 and 6 not shown) two reinforced cables, are electrically and mechanically joined together by a plurality of helically pre-shaped elements wrapped around the exposed core portions and the outer stranded coverings of the cables. Specifications 817,535, 817,643, 817,644 and U.S.A. Specifications 2,275,019, 2,587,521, 2,609,653 and 2,691,865 are referred to.
Patent GB-1467286-A (GB)
Title: Ignition system for internal combustion engines particularly  for motor vehicles
IPC: F02P3/08
Filed: 1974-10-23
Abstract: 1467286 Ignition systems DUCELLIER ET CIE 23 Oct 1974 [22 Nov 1973 15 May 1974] 45917/74 Heading F1B An ignition system for an internal combustion engine includes an ignition contact breaker 1 and a saturable transformer 6 which charges at least one condenser 2, the latter discharging through the primary winding 5a of a voltage step up transformer 5 by means of a thyristor 3, as soon as the ignition contact breaker 1 opens and the control of the commencement of current flow in the saturable transformer and the control of the start of discharge from the condenser through the primary 5a of the voltage step-up transformer is effected simultaneously when the contact breaker opens in such a way that the condenser is completely discharged before the transfer of energy between the saturable transformer and the condenser is effected. -In a modification (not shown) there is a second transformer of different impedance from that of the step-up transformer in series with a second condenser, the two primary winding circuits being connected in parallel to the thyristor and the two secondary windings of the transformers are connected in series with a sparking plug. A resistance and a diode are each connected in parallel with the primary winding of the step-up transformer and a further resistance and diode are each connected inparallel with the primary winding of the second transformer.
Patent GB-1284755-A (GB)
Title: Process for coating surfaces and compositions for use therein
IPC: B05D7/00
Filed: 1969-09-18
Abstract: 1284755 Coating surfaces CELANESE COATINGS CO 18 Sept 1969 [30 Sept 1968] 45957/69 Heading B2E [Also in Division C3] Protective and decorative coatings are applied to a substrate by a process comprising (a) applying to the substrate an undercoating composition comprising film formers which include an acrylic polymer and 2-50%, based on the total weight of film formers, of a cellulose ester, one or more pigments and a volatile organic solvent for the film formers, (b) drying the undercoating without baking, (c) applying on the undercoating a transparent top coating of a composition comprising a copolymer of (i) 0.15-8% by weight of acrylic, methacrylic, crotonic or itaconic acid or a half-ester of maleic or fumaric acid with a C 1 -C 10  saturated alcohol or a mixture thereof, (ii), 5-75% of a #-hydroxyalkyl ester of any of the compounds (i), and (iii) 17-94.85% of one or more other monomers, the percentages of (i), (ii) and (iii) totalling 100%, a cross-linking agent for the copolymer and a volatile solvent for the copolymer, and (d) heating the coated surface to from 180-400F to cure the top coating. The cellulose ester used may be the nitrate, propionate, butyrate, acetate butyrate or acetate propionate. Suitable pigments include metallic pigments (e.g. aluminium or copper bronze), iron blues, organic reds, maroons, silica, talc, china clay, metal oxides (e.g. iron oxide), carbon black, phthalocyanine blue and metal chromates, sulphides and silicates. The acrylic polymer of the undercoating may be a homopolymer or copolymer of methyl methacrylate. Preferably the same type of acrylic polymer is used in both the undercoating and top-coating compositions. The optional comonomers (iii) may be vinyl aromatic compounds, esters of acrylic, methacrylic or crotonic acid, (meth) acrylonitrile, vinyl ethers, esters of unsaturated alcohols. The cross-linking agent used in the top-coating may be a diisocyanate, an epoxide or an aminoplast resin. A plasticiser, e.g. butyl benzyl phthalate may also be included in the undercoating composition. The compositions can be applied by spraying, brushing, dipping or flow-coating to substrates such as steel (which may be primed against corrosion), aluminium, copper, magnesium, alloys of these metals, glass, ceramics, asbestos, wood and plastics.
Patent GB-958248-A (GB)
Title: Semiconductor devices
IPC: H03K3/288
Filed: 1960-05-06
Abstract: 958,248. Semi-conductor devices. TEXAS INSTRUMENTS Inc. May 6, 1960 [May 6, 1959], No. 46089/63. Divided out of 958,242. Heading H1K. The subject-matter of this Specification is contained in Specification 958,242, but the claims are to a device comprising a plurality of semi-conductor wafers or layers on or in one surface of a substrate which provides electrical isolation between them, each wafer including a region with the electrical properties of at least part of a circuit element. An electrical interconnection, including a conductive lead attached to a wafer or layer surface remote from the substrate, is provided between two of the circuit elements. Specifications 945,734, 958,244, 958,245, 958,246, 958,247 and 958,249 also are referred to.
Patent GB-1100671-A (GB)
Title: Improvements in or relating to mounting arrangements for printed wiring boards
Inventor: EDWARDS STANLEY HERBERT
IPC: H05K7/14
Filed: 1963-11-22
Abstract: 1,100,671. Rack-mounted electrical equipment. AUTOMATIC TELEPHONE & ELECTRIC CO. Ltd. 28 Oct., 1964 [22 Nov., 1963], No. 46292/63. Heading HIR. In an arrangement, Fig. 1, for mounting circuit boards 39 ... 42 carrying printed wiring and Components (not shown), the boards are slidingly received in grooves 36, 37 in tagblocks 25 ... 30 which are screwed between rail members 12, 13 extending between end members 10, 11; the boards are also slidingly received between projections 43, 44 on the facing surfaces of rail members 14, 15. Each tag-block comprises a series of U-shaped terminals, Fig. 1A, each having a long arm 31, to which a terminal on the circuit board is connected by gun-wrapping, and a short arm 32 to which internal wiring is soldered. The boards are held in position by a metal retaining strip 51 lined with a resilient plastics strip 53. When the assembly is inserted into a main rack (not shown), multiple-socket connectors 20, 21 in rear end member 11 engage plug members on the rack; end member 11 has locating and coding devices (not shown) to ensure that the sockets are correctly aligned, and that the assembly can be fully inserted only in the correct rack space. Two insulating blocks 47, 49 extending between rail members 13, 15 carry sets of contacts 46, 48 and surge-limiting resistors, not shown, are soldered between corresponding contacts of the two sets; when the assembly is inserted in the rack, power terminals on the rack make contact first with set 46, then with set 48. In an alternative arrangement, a single insulating block has two rows of contact studs, the surge-limiting resistors being connected between corresponding studs. Front end member 10 has one handle 19, or two handles and a spring-loaded catch for securing the assembly in the rack, and multiplesocket connectors 17, 18 for testing probes &c. Members 10 ... 15 are preferably of aluminium alloy.
Patent GB-1180354-A (GB)
Title: Starting Switch Arrangement
IPC: H02K17/30
Filed: 1968-09-30
Abstract: 1,180,354. Control of A.C. motors. DANFOSS A.S. 30 Sept., 1968 [7 Oct., 1967], No. 46296/68. Heading H2J. [Also in Division H1N. A curie point magnetic switch 7 in a motor starting circuit has a resistor 6 in series with its contacts 8 and a positive temperature coefficient resistor 12 in parallel with the contacts 8 and resistor 6. To start the single phase a synchronous motor a main switch 3 is closed so that the mains voltage from terminals 1, 2 is applied to the main motor winding 4 and to a starting winding 5 in series with the contacts 8 and resistor 6 with their parallel PTC resistor 12. The latter heats a ferrite plate 11 to its curie point is that the bias of a contact spring 9 carrying a permanent magnet 10 is sufficient to open the contacts 8. The starting current drops to a low value which is mainly determined by the resistance of the resistor 12, but which is sufficient to heat the resistor 12 and maintain yoke 11 at a temperature above its curie paint so that the permanent magnet 10 is not re-attracted.
Patent GB-1333997-A (GB)
Title: Sliding clasp fasteners
IPC: A44B19/14
Filed: 1971-10-06
Abstract: 1333997 Sliding clasp fastener OPTI-HOLDING AG 6 Oct 1971 [14 Oct 1970 20 Jan 1971] 46410/71 Heading E2S In a sliding clasp fastener comprising rows of interlocking elements 1 made from thermoplastics strips bent into U shape about their longitudinal axes, the interlocking elements 1 of each strip are in the bend of the U and congruent holes 7, 8 are punched through the two arms of the U for sowing the strip to an outside 6, the lower arm of the strip having projections 11 around the holes 7 to prevent displacement across the article 6, and the upper part of the strip being extended to form a slider guide flange 5. In one embodiment, Fig. 1, the guide flange 5 is part of the upper arm extending beyond the lower. The circular holes 7, 8 are positioned alongside the elements 1 and are tapered at the top to centre the sowing needle. Grooves 9 accommodate the sowing thread. The interlocking elements 1 have upper and lower projections 4, seen better in the embodiment of Fig. 5, which prevent disengagement of the elements 1 by movement up or down. In the second embodiment, Figs. 5 and 7, the holes are square and are positioned alongside and connect with the spaces between the elements 1. The guide flange 5 is formed by interlocking Z shaped projections 14 and 15 (respectively) of the upper and lower arms of the strip.
Patent GB-1447284-A (GB)
Title: Slide assemblies
IPC: F16J15/52
Filed: 1973-10-04
Abstract: 1447284 Seals CHRYSLER UNITED KINGDOM Ltd 2 Oct 1974 [4 Oct 1973] 46441/73 Heading F2B In, e.g. a rack and pinion steering mechanism, a bellows type sealing boot 15 folds away into an end recess 19 in rack housing 10. This enables the length of the rack housing to be increased.
Patent GB-1117438-A (GB)
Title: Improvements in or relating to jacking apparatus
IPC: E02B17/08
Filed: 1966-10-18
Abstract: 1,117,438. Lifting jacks. N. H. CARGILE. 18 Oct., 1966 [18 Oct., 1965], No. 46459/66. Heading B8J. [Also in Divisions E1 and F1] A drilling barge B carrying a derrick D is raised above the water level W along spuds S by jacking mechanism 10. Each spud S is made of a cylindrical member 17 having a pair of L-shaped flanges 18 welded along its length, which flanges 18 are spaced from one another by regularly arranged support gussets 20 which provide upper and lower surfaces 20a and 20b, respectively, for co-operation with the associated jacking mechanism 10. The jacking mechanism includes an upper ratchet mechanism 15 and a lower ratchet mechanism 115 connected by an hydraulic cylinder apparatus 16. The ratchet mechanism 15 includes a ratchet member 24 pivoted at 25 and positionally controlled by a ratcheting cylinder 26 so that either face 24a is arranged to engage a lower gusset surface 20b or, as shown, face 24b is arranged to engage an upper gusset face 20a. The upper ratchet mechanism 15, together with the ratcheting cylinder 26, is attached to the piston of the cylinder apparatus 16, while the lower ratchet mechanism is fixed with respect to the barge deck 11 and located in a base support 13 to which the cylinder apparatus 16 is pivoted at 33. Surfaces 24c, 24d on the ratchet member 24 are arranged so as to slide over the point 20p of the gussets 20, on relative movement of the spud S past the ratchet 24, against the pressure of the ratcheting cylinder 26 which is provided with a variable relief valve (78), Fig. 6 (not shown). Control switches 35, 39 indicate the completion of the extension and retraction strokes. The apparatus is provided with a combined electrical and hydraulic control circuit (see Division F1), Fig. 6 (not shown), for operation of the device.
Patent GB-1171318-A (GB)
Title: Polymeric Materials having a reduced Tendency to Accumulate Electrostatic Charge
IPC: C08L101/00
Filed: 1966-10-20
Abstract: 1,171,318. Antistatic coating. CHIYODU KAKO KENSETSU K.K. 20 Oct., 1966 [20 Oct., 1965], No. 47099/66. Heading B2E. [Also in Divisions B5 and C3] A polymer having a tendency to accumulate electrostatic charge e.g. polystyrene, polyvinyl chloride or polymethyl methacrylate is coated in an amount sufficient to reduce the tendency of the polymer to accumulate electrostatic charge with a polymer of average mol. wt. less than 10<SP>5</SP> which is compatible with the polymer and which comprises repeating units of formula where R is H or C 1-3  alkyl, X is H, halogen, phenyl which may be substituted by a sulphonic acid or salt or a C 1-18  carboxylic acid ester, r is H, phenyl or methyl and Q and q are H or a polar group which is hydroxyl, carboxyl, amide, N-substituted amide, methylol, carboxylic acid ester phenyl which is substituted by a sulphonic acid or salt, sulphamoyl, methoxysulphonyl, quaternary ammonium derivative of an amino or aminoalkyl, N-substituted pyridyl, phosphorous acid, phosphonic acid or phosphonic diamide, at least one of Q and q being one of the polar groups or Q and q together form an imino or N-substituted imino group.
Patent GB-1272223-A (GB)
Title: Improvements in or relating to microwave radar equipment
Inventor: CHAMBERS JOHN MICHAEL
IPC: H03H7/25
Filed: 1968-10-04
Abstract: 1,272,223. Automatic gain control; pulse radar. PLESSEY CO. Ltd. 22 Sept., 1969 [4 Oct., 1968], No. 47118/68. Headings H3T and H4D. Gain in a radar receiver is controlled by means of a PIN diode in shunt across the RF signal path. A pair of PIN diodes 8, 9 may be used, the spacing EF between them comprising a quarter wavelength, a variable D.C. bias being applied to the diodes over a choke 11, D.C. blocking capacitors 13, 14 being provided in the transmission line 12. Alternatively a single PIN diode may be used (Fig. 1, not shown). In a radar receiver comprising a duplexed, parametric amplifier, mixed and I.F. stages (Fig. 3, not shown) a PIN diode attenuator may be inserted between the duplexer and parametric amplifier. The diode attenuator derives a D.C. bias from a rectifier fed from a coupler inserted between the duplexer and the attenuator, and also a bias from a waveform generator such that the attenuation decreases with time, following upon the transmission of a pulse signal.
Patent GB-1199782-A (GB)
Title: Apparatus for Exhaust Gas Decarbonisation and Exhaust Silencing of an Internal Combustion Engine
Inventor: JURSCHEWITZ PAUL ARTHUR WOLDEM
IPC: F01N3/04
Filed: 1967-10-19
Abstract: 1,199,782. Treating charge and exhaust gases. P.A.W. JURSCHEWITZ. Oct. 19, 1967 [Sept.26, 1967], No.47641/67. Heading F1B. [Also in Division B1] Combustible mixture flowing to an engine is treated so as to reduce the amount of carbon in the exhaust gases, which gases are passed through a filtering means to remove the carbon. The combustible mixture is passed through a means which causes turbulence or which introduces extra air thereto, thereby improving its combustibility and causing a reduction of carbon in the exhaust. The exhaust filter 10 Fig. 2 comprises a perforated metal cylinder 16 surrounded by asbestos wool or fibreglass which may be melted with a silicon solution. The gases escape through a perforated end cap 18. In Fig. 3 the exhaust pipe 24 discharges intc a liquid 20, e.g. a silicon emulsion, and the filtered gas escapes through a layer of sponge 32, which removes droplets, and through perforations 34.