baber/WOPTO huggingface dataset:
Patent GB-1410116-A (GB)
Title: Aerials
IPC: H01Q13/22
Filed: 1966-04-27
Abstract: 1410116 Aerials TELECOMMUNICATIONS RADIOELECTRIQUES ET TELEPHONIQUES 27 April 1966 18549/66 Heading H4A In a hollow waveguide aerial one wall of the waveguide has a longitudinal parallel-sided slot dimensioned and shaped to provide a radiation pattern which is cone-shaped, directed along the longitudinal axis of the waveguide and without secondary lobes. In one embodiment a rectilinear waveguide is employed having a curved slot whilst another embodiment employs the waveguide as curved and the slot is rectilinear.
Patent GB-138269-A (GB)
Title: Improvements in locks
IPC: E05B29/00
Filed: 1919-07-28
Abstract: 138,269. Andreani, A. July 28, 1919. Locks, revolving-barrel. -Two rows of oppositely moving spring - controlled cylindrical pins d are employed, arranged one on each side of the keyway. and having projections j which extend into the path of the key. The key h is of H section, having straight side plates and a central undulating web, the side plates first separating the projections j to form a passage for the web, and this then acting on the projections to set the pins.
Patent GB-1037881-A (GB)
Title: Torsional vibration dampers and like assemblies and methods of making same
Inventor: GAUNT ALAN
IPC: F16F15/126
Filed: 1964-05-06
Abstract: 1,037,881. Spring wheels. METALASTIK Ltd. April 27, 1965 [May 6, 1964], No. 18754/64. Addition to 847,549. Heading B7C. [Also in Division F2] In e.g. a torsional vibration damper, resilient gear, or vehicle wheel comprising an inner hub 13 and an outer rigid ring 15 with a radiallycompressed rubber annulus 17 therebetween, the rubber annulus is made from more than one strip bent round into the annular gap. The rubber annulus may consist of two or more strips which together form a ring or of two or more strips, each of ring form, the rings lying in concentric nested relation, and preferably having the same radial thickness. In this latter arrangement one or more of the rings may be composed of two or more strips. In another arrangement, the annulus is composed of two or more strips of ring form which lie, one behind the other, in the gap between the hub 13 and the ring 15, the rings preferably having the same radial thickness. One or both of the rings may be composed of two or more strips. In a method of assembling a torsional vibration damper the strips of the compound annulus 17 are placed between rings 18, 19 which clamp the parts 13, 15 on to a bed 27, Fig. 6 (not shown), and a pressure ring 23 is then pushed axially to force the annulus into the space 16 between the parts 13, 15. In an alternative method, the parts 13, 15 are moved eccentrically to facilitate the introduction of the first and second strips, the final strip being inserted when the parts are concentric or, when the parts are moved to a third eccentric position temporarily overstressing the strips which have already been inserted.
Patent GB-202253-A (GB)
Title: Improvements in or relating to braking means for centrifugal machines
IPC: B04B9/08
Filed: 1923-07-20
Abstract: 202,253. Svensson, K. J., and Norling, K. A. P. Aug. 8, 1922, [Convention date]. Energy-absorbing elements.-The drum 1, tinplated or similarly protected, of a centrifugal machine is provided with a ring 2 of polished brass or other non-rusting material, to prevent removal of the protective ccating of the drum by the brake 3.
Patent GB-153086-A (GB)
Title: Improvements in or relating to sidecars and the like
IPC: B62K27/02
Filed: 1919-07-29
Abstract: 153,086. Caddick, W., and Ruby Cycle Co. July 29, 1919. Laminar springs.-A spring suspension for a side-car wheel comprises a leaf spring 4 mounted beneath the chassis frame 1 and co-operating with a rubber or other resilient cushion 8 adjustable along the frame to vary the resiliency of the spring 4. The thick end of the spring 4 is mounted between plates 2 by means of a pivotbolt 5, clamping-bolt 6 and set-screw 7 to vary its angular position as described in Specification 118,439.
Patent GB-1309784-A (GB)
Title: Grain separating mechanism for combines
IPC: A01F12/44
Filed: 1970-04-20
Abstract: 1309784 Grain separators B C MATHEWS 20 April 1970 [22 April 1969] 18821/70 Heading A1F [Also in Division B2] A grain separating mechanism for combines comprises a sieve 14, means, e.g. cranks 15, for mounting and driving the sieve with an orbital motion in a vertical plane and means, e.g. fans 32, for establishing an air blast which passes upwardly through said sieve. For optimum results, the sieve is orbited at a speed such that the threshing mix is tossed but still moves in phase with the sieve motion. Threshing mix is supplied by conveyor 59 to sieve 14 where a large proportion of the grain is separated and falls through the sieve to a second sieve 16 preferably orbiting 180‹ out of phase with and in a smaller orbital radius than that of sieve 14. Seals and wear plates 22, 26, 34, 38 are provided to prevent air loss at the joints to stationary walls and axial fans 32 supply the air through a plenum chamber 31 containing a regulating shutter 43. Most of the air passes through sieve 14. The sieves may be constructed from wire mesh or perforated metal with transverse ribs and labyrinthine passages to assist in the tossing and separating and for preventing straw from passing through. Clean grain is despatched by auger 12a and the tailings &c by auger 13a. Chaff and dust are blown from the top of sieve 14.
Patent GB-848650-A (GB)
Title: Swimming and other pools
IPC: E04H4/00
Filed: 1959-06-02
Abstract: 848,650. Swimming pools. LEUTHESSER, E. G. June 2, 1959, No. 18884/59. Class 20(1) A swimming pool comprises a concrete base 42 into which is cast the lower ends of corrugated steel walls 20, the rods 38 of the base reinforcement passing through holes in the walls. The walls 20 are bolted to frames 18 secured to posts 16 cast into the base 42. The edges of the sheets 20 overlap and are bolted together with a rubber sealing strip. Curved and angled corrugations are shewn. A concrete path may be cast on the earth 50 around the top of the pool and secured to the posts 16 by reinforcing rods, Aluminium, plastics and glass fibre walls are referred to.
Patent GB-436981-A (GB)
Title: Improvements relating to devices for damping the oscillation of the revolving wings or blades of aircraft
IPC: B64C27/51
Filed: 1934-06-26
Abstract: 436,981. Aircraft with rotary-wing systems. KAY GYROPLANES, Ltd., KAY, D., and DYER, J. W., 18, Atholl Crescent, Edinburgh. June 26, 1934, No. 18889. [Class 4] The blades of rotary wing systems of the type which are mounted on a central hub in such a manner that they are capable of substantially vertical flapping movements and also of a limited amount of free movement relative to each other in the plane of rotation, are provided with inertia means carried by the blade and arranged to remain inoperative during the free movement of the latter in the plane of rotation of the blade relative to the normal radial position until reversal of movement of the blade when said means operate to oppose the rebound of the blade and thus to damp or assist in damping vibrations of the blade. In an application to a rotary wing system in which the blades are provided with the shock absorbing devices described in Specification 434,017, a box or casing 8, Fig. 1, is arranged transversely at the top of blade spar 2 and substantially centrally of the upper and lower surfaces of the blade and encloses a freely slidable weight 9. In a modification, Figs. 3 and 4, weights 12, 13, are mounted in casings 10, 11 arranged on opposite sides of spar 2, each casing being slightly inclined toward the root end of the blade. According to further modifications the guide for the weight may be inclined at an angle to the plane of rotation and be set either normal to the spar axis as in Fig. 1, tilted rearwardly, as shown in Fig. 3, or tilted outwardly. The guide may be in two parts inclined in differing directions on either side of the spar but offering a continuous path to the weight. The guides may be external to the blade and may comprise guide rails instead of casings. Alternatively the weights may be arranged to roll or swing. The weights may, however, be liquid or granular. More than one weight may be used along a blade and the systems of Figs. 1 and 3 may be used in combination. Means for adjusting the degree of movement of the weights may be provided. The invention may be applied to rotary wing systems in which no means are provided for damping the movements of the blades relative to one another or in which such movement is permitted solely by the resilience of the blades in their plane of rotation.
Patent GB-331677-A (GB)
Title: Improvements in or relating to toilet mirrors
IPC: A45C15/04
Filed: 1929-06-20
Abstract: 331,677. Astruck, S. June 20, 1929. Looking-glasses .-A mirror a for attachment to handbags, cigar or toilet cases or to pocket-books has snap-fastener parts b<1> secured to its back which engage corresponding parts b secured directly to the bag or case &c. The mirror may have a folding rear strut c and in a modification one end of the mirror may be secured by a rear strut or tongue engaging a slot in the case, the other end having the snap-fastener securing means.
Patent GB-1417502-A (GB)
Title: Coating compositions and coated polycarbonate substrates
IPC: C08J7/046
Filed: 1973-04-19
Abstract: 1417502 Coated polycarbonate substrates BAYCHEM CORP 19 April 1973 [19 April 1972] 18991/73 Heading B2E [Also in Division C3]  Polycarbonate articles or substrates are provided with a coating which comprises (1) 5-62% (by weight) of a linear diol, (2) 8-35% of a thermosetting resin containing about 10% (by weight of the resin) of units of an ethylenically unsaturated carboxylic acid or anhydride, 4-10% of units of a hydroxyalkyl ester of an α, #-ethylenically unsaturated carboxylic acid, and a balance to 100% of units of at least one alkyl ester of an α, #-ethylenically unsaturated carboxylic acid, and (3) 17-87% of a crosslinking agent for the thermosetting resin. The diol (1) is preferably a linear polyester having an OH equivalent weight of from 50-600, e.g. a polycaprolactone. Preferred as resin (2) is a copolymer of ethyl acrylate, methyl methacrylate, acrylic acid and 3-hydroxy propyl methacrylate. The crosslinking component (3) is preferably hexamethoxy methyl melamine, used together with an acid and/or salt thereof with a weak base as curing catalyst, e.g. p-toluene sulphonic acid or its N-ethyl morpholine salt. The coating is preferably applied from solution in an organic solvent, a particularly useful solvent being a mixture of toluene and ethylene glycol monoethyl ether and, optionally also, n-butanol. Optional additives which may be used include UV stabilisers, e.g. the diethyl ester of p-methoxybenzylidene-malonic acid, silicone flow control agents, pigments, antioxidants and fillers. The coating may be applied by such methods as spraying, dip coating, curtain coating or flow coating. The coating is then baked, e.g. at 150-275F.
Patent GB-596197-A (GB)
Title: An improved roller for printing patterns
IPC: B41K1/22
Filed: 1945-07-25
Abstract: 596,197. Printing-rollers. BOURNE, L. A. July 25, 1945, No. 19000. [Class 100 (ii)] A stippling-roller for printing patterns on walls &c. comprises a single roller pivotally mounted in a wire or other yoke 3 with a handle 4, the roller having a wood core to which is secured an outer printing surface of felt 5 having several sinuous or irregularly shaped depressions, channels or spaces therein. The depressions or channels 6 may be burnt or impressed in the felt or, in a modification, the spaces are formed between irregularly shaped pieces of felt secured to the wood core by adhesive or metal staples.
Patent GB-1203003-A (GB)
Title: Multiprocessing computer system
IPC: G06F13/16
Filed: 1968-04-23
Abstract: 1,203,003. Multiprocessor computers. R.C.A. CORPORATION. 23 April, 1968 [24 April, 1967], No. 19089/68. Heading G4A. In a multiprocessor computer system, the sequence in which instructions are made available to processors is determined by the availability of the required operands, by storing instructions in an associative memory and on delivery of a computed result by a processor using a result-identifying portion of the instruction executed to get that result to interrogate operand-identifying portions of instructions in the associative memory. A source 10 (central processor, magnetic tape unit or main memory) of instructions and operands, supplies instructions to an associative instruction memory 14 and operands to addresses in a random-access operand memory 18 the addresses being concurrently specified by the source on lines 22. The operand memory 18 also receives results from processors I, II, III ... each at an address specified by a result address portion of the respective instruction. When an operand or result is transferred to operand memory 18 its address therein is compared with an operand address portion of the instructions in associative memory 14, and an instruction giving a match is transferred to a stack 38 with the operand address portion being replaced by the actual operand read from operand memory 18. The stack 38 circulates to apply the operation code of each instruction in it, in turn, to a comparator 42. Any processor which is vacant so informs the comparator 42 on a line 43 and when the comparator detects an instruction in the stack 38 which the processor can execute the (modified) instruction is transferred to the processor and executed. The processors may perform addition, subtraction, multiplication, shifting, comparison respectively or some or all may be identical. A second embodiment for handling instructions with two operand address portions has three associative memories in place of the one above. Each associative search is on both oper- and address portions in the first memory and a match on the first or second portion causes the instruction to be transferred to the second or third memory respectively in which each associative search is on the second and first portions respectively. A match in the second or third memory causes the instruction to be transferred to the stack with insertion of the operands from the operand memory in place of the operand address portions.
Patent GB-1123462-A (GB)
Title: Improvements in and relating to apparatus for forming filaments of thermoplastic material
Inventor: BAGSHAW JOHN GRIFFITH
IPC: C03B37/02
Filed: 1966-05-02
Abstract: <PICT:1123462/C1/1> An arrangement for cooling extruded material comprises two adjacent headers 1 (2) (the latter concealed by the former) with hairpin tubes 3C joining them, the latter being flattened at their extremities as shown and lying adjacent extrusion nozzle 7. Cooling fluid is supplied via 1A, 2A.  A couple of brackets 4 mount the device on the extrusion machine.
Patent GB-1277474-A (GB)
Title: Proving for vehicle wheel spin or slide correction apparatus
Inventor: PIKE PETER PATRICK
IPC: B60T8/88
Filed: 1969-04-15
Abstract: 1277474 Fluid-pressure brake control systems WESTINGHOUSE BRAKE & SIGNAL CO Ltd 19 March 1970 [15 April 1969] 19142/69 Heading F2F [Also in Division H3] Apparatus for correcting spin or slide of a vehicle wheel, in which the tractive or braking force is modified when a signal representing the rate of change of peripheral speed of a wheel exceeds a predetermined value, incorporates an arrangement for testing the proper operation of the apparatus, by applying thereto a signal from a circuit which includes an oscillator the output signal frequency of which can be caused to vary at either of two rates of change, one of which is above and one below the predetermined value. In the circuit shown, closure of switch SW1 produces oscillation by the alternate charging of capacitor C1 via diode D1 until the transistor VT1 conducts, and consequent discharge of the capacitor through the winding W1, which is coupled by secondary winding W2 to the apparatus under test. Upon opening switch SW1, the frequency of oscillation varies at a rate determined by the rate at which the transistor emitter voltage varies due to the discharge of capacitor C2 through resistor R5. Switch SW2, diode D2; and capacitor C3, permit the production of a different rate of change of frequency. If an increasing, rather than a decreasing, frequency is required, resistors R5 and R7 are connected instead between the switches SW1, SW2 and their respective capacitors C2 and C3.
Patent GB-247296-A (GB)
Title: Improvements relating to titanium pigments
IPC: C09C1/36
Filed: 1922-07-12
Abstract: 247,296. Weizmann, C., and Blumenfeld, J. July 12, 1922. Pigments.-Titanium pigments containing particles of ultra-microscopic size and smaller and also larger particles are obtained by treating an insoluble titanium compound such as titanium oxide or hydroxide or metallic titanates with peptizing agents so as to effect a dispersion to the desired extent. Precipitated titanium oxide or hydroxide containing some sulphate radical is treated to remove the sulphate radical, for instance by ammonia or sodium carbonate, followed by washing, after which the oxide is treated with the peptizing agent, which may be a monobasic acid, an alkali, a titanium salt, or other compound. As peptizing agent hydrochloric acid, titanium chloride, silicon chloride, and sodium carbonate are mentioned. A peptizing agent may be used which also removes the sulphate radical replacing it by an insoluble body. For instance, barium chloride effects this, the hydrochloric acid liberated being the actual peptizing agent. Inert fillers may be added at any stage and the colloidal product may be mixed with any pigment to improve its quality. Specification 104,885 is referred to.
Patent GB-351246-A (GB)
Title: Improvements in the manufacture of disc wheels
IPC: B21H1/02
Filed: 1930-06-24
Abstract: 351,246. Disc wheels. BAKER, G., Greno House, Swinton, near Rotherham, Yorkshire. June 24, 1930, No. 19237. [Class 144 (i).] The metal blank shown in Fig. 1 from which a wheel with radial corrugations, as shown in Fig. 2, is produced is formed with excess thickness of metal A at the fillet between the web and the boss, this excess metal being removed in the corrugating operation. The pressure applied in the latter operation forces the metal into the bore of the hub, as indicated at C, Fig. 2, this excess metal being then machined out, or otherwise removed. The same method may be applied at the junction of the web and the rim.
Patent GB-1219150-A (GB)
Title: Viscosity measurement and apparatus therefor
Inventor: TRETHEWEY WILLIAM CHARLES
IPC: G01N11/00
Filed: 1968-04-23
Abstract: 1,219,150. Controlling viscosity and level of molten glass. OWENS-CORNING FIBERGLAS CORP. 23 April, 1968, No. 19238/68. Heading C1M. [Also in Divisions G1 and G3] The viscosity of molten glass 22 in a melting tank 66 is controlled by apparatus including a pipe 20 through which air is passed from a constant flow regulator 26. For relatively fast rates at which the air bubbles through the molten glass, the back pressure in the pipe is dependent on the hydrostatic head of liquid above the outlet of the pipe and the viscosity of the liquid. This back pressure is fed to a differential pressure detector 38 and a pipe 42 is also connected to the detector to eliminate the effects of the fluctuation of atmospheric pressure. The temperature of the liquid is maintained constant by a thermocouple 116 controlling gas burners 102. The viscosity and corresponding temperature of the liquid are preselected so that if the liquid level remains constant, any changes in the viscosity of the liquid from its pre-selected value cause signals to be fed from the detector 38 to a transducer 64 which supplies amplified signals to a variable speed drive 98. The drive 98 controls a screw feeder 92 which directs viscosity influencing ingredient from a hopper 100 into the liquid to bring the viscosity back to its predetermined value. The liquid level is maintained constant by apparatus similar to the viscosity measuring apparatus except that the bubble rate from a pipe 186 is relatively slow so that the back pressure in the pipe 186 depends only on the hydrostatic liquid head above the outlet of the pipe 186. The liquid head dependent signal is fed to a second transducer 64 by a pick-up arm 224 and the transducer output controls a variable speed drive 86 for a screw feed 84 supplying powdered glass to the melting tank from a hopper 90.
Patent GB-845755-A (GB)
Title: "improvements in and relating to low-temperature gas absorption"
IPC: C01B32/50
Filed: 1956-06-21
Abstract: Apparatus for carrying out a process of separating one component of mixed gases, such as CO2 or H2S from a hydrogen-containing gas, by absorption in and desorption from absorber liquid comprising an absorption tower having an upper lean absorption section and a lower rich absorption section and a stripping tower having an upper rich stripping section and a lower lean stripping section, characterized by a cooler to cool the absorber liquid leaving said lower rich absorption section, a pump to pressurize absorber liquid leaving said upper rich stripping section and to introduce the pressurized absorber liquid into said lower rich absorption section, and a pump to pressurize absorber liquid leaving said lower lean stripping section and to introduce the pressurized absorber liquid into said upper lean absorption section.  The stripping of said component is effected by passing a stripping gas in countercurrent contact first with the enriched lean absorber liquid and then with the cooled rich absorber liquid.  U.S.A. Specification 1,942,131 is referred to.
Patent GB-775491-A (GB)
Title: An electro-hydraulic control device
IPC: F15B13/043
Filed: 1954-07-01
Abstract: 775,491. Electromagnets. ELEKTRO MECHANIK GES. July 1, 1954 [July 13, 1953], No. 19311/54. Class 35. [Also in Group XXIX] An electro - hydraulic control device comprises an hydraulically - actuated piston 16 movable in a cylinder 17 under the control of a piston valve 15 operated by opposed electromagnets 10, 11 energized by alternating current. The magnets 10, 11, their common armature 12, and a centralizing spring 14 are housed in a casing 37 wholly or partly filled with oil from the hydraulic system. The armature 12 may be adjustable on the valve rod 13 and the distance between the magnets may be adjusted. In a modification, the piston 16 itself is formed as a valve.
Patent GB-154281-A (GB)
Title: Improvements in or applicable to the horns of sound re-producing instruments
IPC: H04R1/02
Filed: 1919-08-06
Abstract: 154,281. Smith, S. Aug. 6, 1919 Sound magnifying and directing appliances.-A valve for regulating the volume of sound emitted by a gramophone horn is provided at its periphery with an elastic pad C by which it is retained in the horn without fastenings. The valve is of the hit-andmiss regulator type, having a fixed plate D with sector - shaped openings which correspond with similar openings in a rotatable plate E, or each plate may have one such opening of semicircular shape. The plate E is turned by means of a stud G or a knob on the axle F.