baber/WOPTO huggingface dataset:
Patent GB-151258-A (GB)
Title: Improvements in surface apparatus for effecting transfer of heat
IPC: F28D7/10
Filed: 1920-08-21
Abstract: 151,258. Wilhelm, F. Sept. 19, 1919, [Convention date]. Concentric straight-tube apparatus.-In heatexchangers employing three concentric tubes, the outermost is made in sections to facilitate cleaning of the outer space. The two inner tubes a, b may ba welded at their ends, but the outermost is made in sections, two of which A, A, in the example shown in Fig. 1, are slightly smaller in diameter than the middle section B and connected at each joint by stuffing boxes f, f. The two parts comprising the middle section Bare united by a flange joint g. To take apart, the flange g is disconnected and each half of the section B is slid over the adjacent section A, and then each section A is slid towards the centre in turn. In a modification, the sections are of the same diameter tube, and each or any is divided longitudinally and united by flange joints. To prevent loss of heat at the ends, the device shown in Fig. 3 may be used comprising two stub tubes joined 'by a channel i to cover the ends of the tubes a and the connexion c, the whole being bolted to a supporting plate h and bearing flange connexions for the bends n.
Patent GB-790938-A (GB)
Title: Improvements in a method of producing metal borides
IPC: C22C29/14
Filed: 1955-08-24
Abstract: Heavy metal, particularly transition metal, borides are produced by smelting a mixture of a heavy metal oxide, a boric acid, and carbon by the action of an electric arc.  The smelting is preferably effected in such a way that the CO formed protects the boride produced from the atmosphere.  The heavy metal may be titanium, zirconium, chromium, manganese, molybdenum, tungsten, niobium, or tantalum.  In an example titanium dioxide, ortho-boric acid, and carbon are charged to a furnace so that a cylindrical crater was formed into which the electrodes are lowered.  In the reaction, H3BO3 is dehydrated to B2O3, which is reduced and reacts with reduced TiO2, and CO produced remains in the crater as protection against the atmosphere.  TiB2 collects as a melt under the electrode and congeals from below.  The TiB2 block is cooled, while protective gas is introduced into the bottom of the crater, is separated from unreacted charge, and comminuted.
Patent GB-424814-A (GB)
Title: Flexible push-and-pull control mechanism
IPC: F16C1/12
Filed: 1934-08-25
Abstract: 424,814. Bowden mechanism; linkwork. LITTLE, C. R., 5, Primrose Hill Street, Coventry, Warwickshire. Aug. 25, 1934, No. 24527. [Class 80 (iii)] Control mechanism for actuation of a remote part positively in both directions, comprises a pair of similar rigid driving members mechanically connected and operable by a rotatable control arranged between them to actuate in opposite directions flexible means connected to them and also to a pair of similar rigid driven members also interconnected by a rotatable means arranged between them. The flexible connecting means may be Bowden mechanism or wire held taut by pulleys. Driving members 12, 13, Fig. 1, are connected through Bowden mechanism 20, 21 with driven members 17, 18 respectively, the members being toothed and each pair interconnected by pinions 15, 19. In modifications, the members are (1) notched and each pair engaged by opposite ball-shaped ends of a rocker arm; (2) rectangular to prevent tilting thereof; (3) actuated by oppositelyhanded screw threads and (4) pulleys integral with gears engaging a pinion. In Fig. 4, two sets of driving devices 26, 27 are actuated by two pinions 15 on the same spindle 28. Each driving device has each of its driving members connected at each end to a Bowden mechanism so that four remote controls can be simultaneously actuated. Alternatively adjacent ends of the driving members may each be connected to two or more pairs of Bowden mechanism as at 29, 30.
Patent GB-1142271-A (GB)
Title: A wire cutting tool
IPC: H02G1/00
Filed: 1967-05-26
Abstract: 1,142,271. Wire cutters. AMP Inc. 26 May, 1967 [13 June, 1966], No. 24567/67. Heading B4W. A wire cutting tool comprises two pivotally connected arms 12, 14, one arm having a series of small through apertures 30 arranged in a pattern and the other arm having a large through aperture 40, the arms being relatively movable from a first position wherein the large aperture is in alignment with and encompasses the small apertures, to a second position wherein the large aperture is out of alignment with the pattern of small apertures. The pattern of small apertures is of the same orientation as the wire ends 52 extending from a component from which the wires are to be cut, the movement of the arms from the first to the second position effects shearing of the wires by the large aperture as it passes over the surface containing the pattern of small apertures. A gauging member 36 is provided on the arm containing the pattern of apertures to effect control of the length of the wire to be cut. A plurality of small aperture patterns with their corresponding co-operating large apertures may be provided on the tool arms. In an alternative embodiment the aperture pattern may have the apertures transversely displaced so that the wire ends inserted in the tool are cut and bent so as to have a larger spacing relationship than the spacing of the wires emerging from the component.
Patent GB-335682-A (GB)
Title: Improvements in process of disposal of sewage and other waste organic matter
IPC: C02F3/34
Filed: 1929-08-12
Abstract: 335,682. Wigley, C. G., and Potts, C. Aug. 12, 1929. Treating-mat6rials; manures.-Sewage, sludge, and like organic matter is deodorized and converted into fertilizer by treating it with a growth of the mycelium of fungi such as Mucor or Rhisopus developed under forced growth conditions. The sewage is delivered primarily to a settling tank 10 through an inlet 11, the separated liquid. leaving by the exit 12 for filterbeds or the like. The deposited sludge is drawn at intervals into auxiliary tanks 14 for treatment with the fungi, the residual liquid escaping through the pipe 20. A steam coil 25 supplies heat and moisture when necessary to maintain the temperature between the limits of 40‹ F. to 110‹ F. and the moisture content 10 to 15 per cent. The supply of air is reduced to a minimum, and the light is subdued. At the end of about four days the material is removed from the tanks 14 and bagged for sale as a fertilizer. In a modified construction the fungus tank is portable and has a reticulated bottom of coarse woven material or a wire screen.
Patent GB-1013057-A (GB)
Title: Method of preparing films of polyvinyl chloride containing polyvinyl alcohol
IPC: C08L29/04
Filed: 1963-06-21
Abstract: Transparent films of polyvinyl chloride containing polyvinyl alcohol are prepared by polymerizing vinyl chloride in aqueous emulsion in the presence of a catalyst, an emulsifying agent and an aqueous solution of polyvinyl alcohol, adding an additional amount of polyvinyl alcohol so as to bring the content of polyvinyl alcohol to 20 to 70 weight per cent of the total resin, producing a film from the resulting solution, drying the said film by evaporating moisture and heat treating the film at 150 DEG  to 230 DEG  C. for 10 seconds to 10 minutes.  The heat-treated film may subsequently be subjected to formalizing treatment. Specified catalysts are potassium and ammonium persulphate, and the emulsifier may be anionic or non-ionic. The products may be used as packaging films.
Patent GB-584101-A (GB)
Title: Improved screw fan ventilators
IPC: F04D25/12
Filed: 1944-12-09
Abstract: 584,101. Ventilators. DELCO-REMY & HYATT, Ltd., and BLAZEY, S. H. Dec. 9, 1944, No. 24715. [Class 137] [Also in Group XXVI] Screw fan ventilators fitting into an aperture in, e.g., a door, window or wall have circumferential flanges b, g adapted to grip the aperture edge, and to that part of the fan casing a carrying flange b which extends through the aperture are secured radial retaining screw pegs d each located in an inclined slot e in a ring member f fitting on casing a and forming flange g. Relative rotation of ring and casing causes the flanges to grip the aperture edge this position being retained by tightening of the screw pegs. The fan motor h is preferably mounted at points of support k lying in the transverse vertical plane containing the centre of gravity of the motor-fan unit. A dished deflector m is fixed to ring f by radial arms l.
Patent GB-857863-A (GB)
Title: Improvements in or relating to pulse frequency measuring arrangements employing storage condensers
IPC: G01R23/09
Filed: 1957-08-06
Abstract: 857,863. Frequency discriminators. TELEFUNKEN G.m.b.H. Aug. 6, 1957 [Aug. 15, 1956], No. 24,732/57. Class 40(5). [Also in Group XXXVI] A pulse frequency measuring arrangement in which a logarithmic indication of the pulse frequency is given comprises a storage condenser having a further condenser connected across it by a switch, the pulses being applied to the storage condenser which is discharged at the switch frequency into said further condenser the voltage across the latter being rectangular and being then fed via a differentiating circuit to a bistable circuit which changes from one stable state to the other each time the momentary amplitude of the differentiated wave exceeds or falls below a predetermined value so that the bistable circuit produces rectangular output pulses of duration dependent on the peak amplitudes of the differentiated wave, a measuring instrument responsive to the mean value of the pulses being connected across the bistable circuit and giving the required logarithmic indication. The pulse frequency measuring circuit is based on the principle illustrated in Fig. 1 in which a condenser C 2  is connectable to a storage condenser C 1  by a switch S. Condenser C 1  is charged up by the pulses and charges up condenser C 2  when the switch is in its upper position, condenser C 2  discharging when the switch is in its lower position. The period of the discharge of C 1 , may be varied by varying the switching frequency and is inversely proportional to said frequency, an alternating voltage being produced across F.F. directly proportional to the charge on condenser C 2  (directly proportional to charge on condenser C 1 ) and inversely proportional to the change-over frequency, said alternating voltage being used for measuring the number of pulses. A circuit arrangement for giving logarithmic indication is shown in Fig. 2 a differentiating circuit C 6  R 6  and a multivibrator V 7  V 8  being inserted between a cathode follower V 3  and the meter M. Each time the positive part of the differentiated voltage rises above a predetermined threshold value V the multivibrator switches over, the output from the multivibrator thus consisting of rectangular pulses the D.C. mean value of these being proportional to the logarithm (due to the exponential form of the trailing edge of the differentiated pulses) of the discharge current and to the logarithm of the number of pulses arising during a given time unit. The amplitude of these pulses will increase with an increase in the amplitude in the rectangular waveform output from C 2  and also therefore with an increase in the number of pulses fed in and the meter M, measuring the mean value of direct current, will therefore, measure the number of pulses. Alternative arrangements including means for ensuring that the charging pulses for condenser C 1  are always of the same magnitude irrespective of the charge already in that condenser, which are then connected across FF (Fig. 2) are also described (Figs. 5-7 not shown).
Patent GB-225661-A (GB)
Title: Improvements in safety valves
IPC: F16K17/10
Filed: 1923-10-05
Abstract: 225,661. Ross & Co., Ltd., R. L., and Hargreaves, W. Oct. 5, 1923. Safety valves.-A spring-loaded safety valve of the kind provided with an annular valve member has the loading spring housed in an enclosed chamber beneath the valve seat. In the form shown in the Figure the valve member d engages two concentric seats a<2>, b<1> formed on the top of the casing, and is provided with a series of apertures e to enable the valve to discharge at both the inner and outer seats. The valve member is guided by a tubular projection d' engaging a plug g screwed into the casing and its lift is limited by a perforated flange j<2> on a member y screwed on to the casing. The loading spring h is arranged in a chamber h spaced from the outer casing to leave an annular passage c, and bears on an abutment g' on a spindle f provided with an adjustable collar resting on the valve member. An easing lever i is arranged beneath a bridge d' formed on the valve member. In a modification the spindle has inner and outer members so that in the event of the inner spindle breaking the outer spindle takes up the load. According to the Provisional Specification weights may be used in place of a spring.
Patent GB-1106237-A (GB)
Title: Improvements in or relating to bearing journals
IPC: F16C33/06
Filed: 1965-06-11
Abstract: 1,106,237. Bearings. KARL SCHMIDT G.m.b.H. 11 June, 1965 [13 June, 1964], No. 24816/65. Heading F2A. A plain bearing comprises a bush 1 of circular internal cross-section surrounding part of a shaft 20, the part having a central portion 2 with a uniform non-circular cross-section of smaller area than cross-sections of adjacent portions of the part of the shaft. In Fig. 1 (not shown) and Fig. 2 central portion 2 is of oval cross-section, and the adjacent portions are of circular cross-section and form a restriction 10 to reduce oil loss from the bush. In Figs. 3 and 4 (not shown) the cross-section of portion (3) is trochoidal and that of adjacent portions is circular. In Figs. 5-8 (not shown) the crosssection of portions (4, 5) and the adjacent portions is oval, with the major axes parallel or perpendicular.
Patent GB-753105-A (GB)
Title: Improvements in or relating to exhaust braking mechanisms for internal combustion engines
Inventor: COLLIS ROBERT STUART
IPC: F02D9/04
Filed: 1954-08-26
Abstract: 753,105. Regulating. PARKWOOD ENGINEERING CO. Ltd. Dec. 13, 1954 [Aug. 26, 1954], No. 24825/54. Drawings to Specification. Class 7(6) [Also in Group XXIX] The subject-matter of this Specification is substantially the same as that of Specification 753,104 but the claims relate to the lever means by which the exhaust brake valve is operated.
Patent GB-1079278-A (GB)
Title: Perforated plant and tank fitted therewith
Inventor: GUILLOT CLAUDE
IPC: G21C5/10
Filed: 1965-06-11
Abstract: 1,079,278. Reactors. COMMISSARIAT A L'ENERGIE ATOMIQUE. June 11, 1965 [June 24, 1964], No. 24830/65. Heading G6C. The flat end shields of a reactor vessel are constructed of I-section structural steel girders welded together side by side, thus forming between each pair of adjacent girders a longitudinal passage open at both ends, the webs of each girder being pierced from one face of the plate to the other by uniformly spaced bores which are isolated from the longitudinal passages. The bores are spaced at a predetermined pitch on a lattice having, for example, the shape of a square, rectangle or parallelogram, the peripheral zone being without bores. Pressure tubes are fitted within the bores and extend between two identical end shields fitted at opposite ends of the reactor vessel. The space between the end shields and surrounding the pressure tubes contains a moderator and reflector such as heavy water. A cooling fluid may be circulated within the interior of the end shields through the passages between adjacent girders and transverse bores may be formed in the girders so as to provide communication between these passages.
Patent GB-1414116-A (GB)
Title: Process for the preparation of a readily dispersible pigment
IPC: C09B67/08
Filed: 1972-10-18
Abstract: 1414116 Pigments HOECHST AG 18 Oct 1972 [21 Oct 1971] 24845/75 Divided out of 1413814 Heading C4A A pigment, in particular a quinacridone pigment, is treated with a compound where M represents Na, K or NH 4  and R 1  represents an alkyl group of 9 to 12 carbon atoms, and x is from 3 to 8, by bringing them into contact at elevated temperature, and subsequently acidifying the mixture. The treated pigments are more readily dispersible in lacquers and varnishes.
Patent GB-599947-A (GB)
Title: Improvements in and relating to felt conditioning in papermaking and like machines
IPC: D21F1/32
Filed: 1945-09-25
Abstract: 599,947. Felt-conditioners of paper-making machines. VICKERYS, Ltd., and VICKERY, F. W. Sept. 25, 1945, No. 24846. [Class 96] In a felt-conditioner of a papermaking machine, having suction openings 27, 26 and 32, &c., blockages of waste material are cleared as bv water jets 38, 42 fed from the main water supply to the felt-cleaning jet 22. The conditioner illustrated reciprocates transversely of the travel of the felt F, and the supply to the jets 38, 42 is controlled by a valve normally closed by a spring 54 and opened. at each traverse by a cam surface 60<1> &c. Specifications 188,023, 263,594, [both in Class 96], 462,007, 481,825, [Group IV], 516,712 and 553,771 are referred to.
Patent GB-460051-A (GB)
Title: Improved construction of garden edging and the like
IPC: A01G9/28
Filed: 1935-09-06
Abstract: 460,051. Garden edging - tiles. RITCHIE, W. L., and ROBERTS, H. T. Sept. 6, 1935, No. 24873. [Class 87 (i)] Garden edging-tiles either straight or curved are provided with spikes or nails 3 which project from the lower edge and can be pressed into the ground. The tiles are made of burnt clay or concrete and may be reinforced by rods, wire mesh, or expanded metal 4.
Patent GB-708453-A (GB)
Title: Mass production of small precision burners, more particularly preheating burners for liquid vapourising burners
Inventor: MOHL HAKON REINHOLDT
IPC: B22D25/02
Filed: 1951-10-24
Abstract: 708,453. Casting composite artictes ; making burner-nozzles. FRIGAST, E. P. L., [trading as FRIGAST & CO., E.]. Oct. 24, 1951, No. 24909/51. Classes 83 (1) and 83 (2) Cores. - Atomizing burners &c. required to have at least one accurate passage 2, up to a few tenths of a millimetre in width and about ten times this in length, are made by diecasting about a corresponding core. This may comprise a needle or a ground, drawn, or otherwise calibrated wire 7 mounted on one die part F. The other die part, not shown, has passages for a second core 8, which is withdrawn from the casting 1 as or before the die is opened, and for a fuel-supply pipe 5, which has a constriction 6 to fit the core To move the follower laterally away from the pattern, a valve 123 can be opened to supply full pressure to the normally-inoperative end of the cylinder 62, excessive pressure produced at the other end being relieved by the blow-off valve 108 and, to hold the cylinder in an intermediate position, full pressure to both ends of the cylinder can be supplied by opening the valve 123 and another valve 125. A valve 127 controls the supply of air to the bracket 24 for blowing away chips. 7 and is adjustable in the die to vary the length of the passage 2 produced. If desired the pipe 5 may be at an angle to the core 7. The molten metal may be forced into the mould.
Patent GB-1408697-A (GB)
Title: Flushing cisterns
IPC: E03D1/36
Filed: 1973-05-25
Abstract: 1408697 Valve-discharge flushing cistern HYKON-PATENT AB 25 May 1973 [26 May 1972] 25072/73 Heading E1C The control means 10 for the supply valve 3 of a valve-discharge flushing cistern is located in the overflow 5 and is arranged to be raised by the lift stem 8; 8' of the discharge valve to an upper position which opens the supply valve, the control means 10 remaining in the upper position after the discharge valve recloses until the action of water flowing into the overflow forces it to its lower position to close the valve 3. The overflow is a vertical, upwardly open cylinder 6, 6" communicating with the discharge outlet 15 and the means 10 is a cap vertically slidably on a tube 7, 7' surrounding the lift stem 8 and having holes 36, 36' in its bottom communicating with the overflow. Two types are disclosed. In the first, the cylinder 6 is secured at 14 to the cistern's base and communicate with the outlet 15 either through a channel 21 by-passing the discharge valve 9 or through a bellows which surrounds the lower end of the lift stem and which communicates with an opening in the valve 9, Fig. 2 (not shown). The cap 10 is raised by a pin 30 on the lift stem engaging the upper end of a vertical slot 32 in a tubular extension 11 of the cap which is co-axial with the lift stem. In the second type, the cylinder 6" is secured to the discharge valve (which may be of the type shown in Figure 1 or a buoyant member 55) and the cup 10 empties through holes 61, 44' in the valve. The cup is raised by engagement with the bottom of the cylinder 6". The cup is not secured directly to the lift stem and remains in its upper position until filled with water owing to friction.
Patent GB-910359-A (GB)
Title: Improvements in or relating to gas detection devices
IPC: G01L21/00
Filed: 1959-07-22
Abstract: A gas detector comprises a sensing element having a multiplicity of thin-walled very small diameter non-porous glass tubes, means to admit the gas to be tested to the interior of the tubes or to contact said gas with the exterior of said tubes, means to collect gas diffusing through said tubes and a detector element within or connected to said collecting means, adapted to detect the presence of a gas diffusing through <PICT:0910359/III/1> said tubes.  As shown in Fig. 1, the sensing device comprises a bundle of tubes 6 sealed at one end into a floating head 9 of epoxy resin and passing through a gas tight seal 10 to open at the other end into an ionization manometer.  The glass tubes preferably comprise at least a total aggregate of 75% of one or more of SiO2, B2O3, Al2O3 and P2O5.  The tubes may have an outside diameter of 1-50 mils and a wall thickness of 0,2-10 mils and are housed in a metal jacket 1 having a heating element 4, the gas to be tested being admitted at 2 and withdrawn at 3.  Gases such as helium, hydrogen, deuterium, tritium and neon, of small atomic radii, which diffuse through the glass tubes (if necessary at an elevated temperature) pass into an ionisation manometer having a filament 17 for ionizing the gas and an anode and cathode 18 and 19 between which the ionizing current to be detected flows, said current being amplified prior to measurement if so desired. Temperatures of at least 165 DEG C. for H2, at least 270 DEG C. for Ne are referred to and temperatures up to 800 DEG C. for silica tubing are specified.  It is also stated that two or more sensing elements are selected temperatures or one sensing element at varying temperatures may be employed with a detector to detect any one of the gases mentioned in a gax mixture.  A vacuum of 10-3-10-6 is maintained in the ionization manometer by means of a diffusion pump attached to outlet 15.  As an alternative arrangement, the gas to be tested may be admitted to the inside of the glass tubes and diffuse outwardly for detection.
Patent GB-673994-A (GB)
Title: Improvements in or relating to rotary valve internal combustion engines
IPC: F01L7/06
Filed: 1949-09-30
Abstract: 673,994. Valves. DAIMLER-BENZ AKT.- GES. Sept. 30, 1949 [Oct. 1, 1948], No. 25165/49. Class 7(vi) In a mutlicylinder engine three adjacent cylinders are controlled by two flat rotary valves rotating in a plane perpendicular to the cylinder axes. In a six-cylinder in-line  engine, Fig, 1, two.flat valves d controlling cylinders 1-3 are arranged so that each valve controls both the inlet and exhaust of one cylinder and either the inlet or exhaust of another cylinder. The axes of the valves are arranged in line and they are driven at one quarter crankshaft speed by gearing from a single shaft parallel to the crankshaft. Symmetrical and interchangeable cylinder heads are fitted over each set of three cylinders, and the inlet and exhaust ports of each cylinder are sealed by sleeves t, Fig. 3, carrying piston rings. In an alternative arrangement one valve controls two cylinders and the second valve controls the third cylinder only.