baber/WOPTO huggingface dataset:
Patent GB-953372-A (GB)
Title: Plastic compositions
Inventor: SHERLIKER FRANCIS RAYMOND
IPC: C08K5/02
Filed: 1961-06-26
Abstract: Plastic compositions comprise chlorinated polyvinyl chloride containing 60 to 70% by weight of chlorine and a plasticizing proportion of a chlorinated paraffin plasticizer as primary plasticizer.  Preferred plasticizers are substantially straight chain paraffinic hydrocarbons containing 12 to 26 carbon atoms chlorinated to 40 to 70% by weight of chlorine.  The compositions may also comprise polyvinyl chloride; fillers, e.g. whiting, asbestos, calcium carbonate coated with stearic acid and hydrated sodium aluminium silicate; pigments, e.g. titanium dioxide; mould lubricants, e.g. calcium stearate; and stabilizers, e.g. white lead, tribasic lead sulphate, organo-tin compounds, epoxidized vegetable oils and barium and cadmium laurates.  The compositions may be moulded to form floor tiles and pipes.
Patent GB-1087145-A (GB)
Title: Oil-filled ignition coils
Inventor: SHAW LOUIS
IPC: H01F38/12
Filed: 1965-05-31
Abstract: 1,087,145. Induction coils. JOSEPH LUCAS (INDUSTRIES) Ltd. March 30, 1966 [May 31, 1965], No. 23029/65. Heading H1T. An oil-filled ignition coil of the kind comprising a core 13, Fig. 1, mounted on a support member 14 coaxially within a casing 11, with primary and secondary windings arranged on a former 17 encircling the core 13 is characterized by providing the support member 14 with grooves 24 to effect communication of the passages 25 defined between the former and core with the space define d between the casing and windings. The support member 14 has four such grooves 24, and the laminated iron core 13 is of square cross-section defining passages 25 with the cylindrical former 17 of circular crosssection. The windings consist of a single layer primary (21) (Fig. 2, not shown) encircling a multi-layer secondary (18) with the layers mutually insulated by layers (19) of paper whose ends enter the spaces 26 beween teeth 23 on the insulating member 12. The evacuated metal casing 11 is filled with oil or suitable cooling medium via an opening in member 12 which is subsequently closed by a screw 27 affording electrical connection with the core 13.
Patent GB-373492-A (GB)
Title: Improvements in and relating to road vehicle wheels fitted with pneumatic tyres
IPC: B60B23/10
Filed: 1931-08-15
Abstract: 373,492. Vehicle wheels. WARD, J., Easdale, Mavis Road, Blackburn. Aug. 15, 1931, No. 23031. [Class 144 (i).] A road vehicle wheel provided with pneumatic tyres is made in two main parts such as a, b, Fig. 2, clamped together to hold the tyre which is readily releasable. Only the inner portion of the wheel is bolted to the main hub by nuts. Thus the part a has a central boss c over which the part b is fitted and clamped by a slotted nut d with a turned-in flange d<1>. Spokes a<1>, bl in the example shown are in staggered relation and attached by bolts f and nuts to legs on the opposite members. The wheel can be removed from the axle as a whole. The part a is formed with holes to fit over the usual fastening studs h on a brake drum e. The nut d is slotted to allow the use of a wheel brace. In a modification, Fig. 7, the spokes are not staggered but lie against one another, the parts being connected by lugs j, k and bolts l. The interlocking lugs may be of varied cross section. Further lugs may be employed to prevent relative movement between the parts a, b. In the case of a disc wheel, Fig. 10, the two parts each comprise a disc n and a half rim o. The inner disc has a stepped boss n<1> attached to it which is threaded to engage the nut d. In the case of wire wheels, Fig. 12, spokes p of the inner half connect rims o to a hub q and those of the outer half to an annulus r fitting the hub q and held by the nut d.
Patent GB-423424-A (GB)
Title: Improvements in electric circuit breakers
IPC: H01H33/985
Filed: 1934-08-10
Abstract: 423,424. Liquid - break switches. ALLMANNA SVENSKA ELEKTRISKA AKTIEBOLAGET, Vasteras, Sweden. Aug. 10, 1934, No. 23154. Convention date, Aug. 25, 1933. Addition to 408,077. [Class 38 (v)] The invention described in the parent Specification is modified by arranging for the insulating wall separating the two spaces closed by the differential piston to be movable and connected with the piston, so that during the motion of the latter under the influence of the arc, the wall follows the contact at a small and approximately constant distance from it, whereby the contact tip is always in contact with that part of the liquid where its velocity is highest. The insulating piston 6 is provided with a collar 7 engaging the insulating casing 4 and with an aperture 8 through which the movable contact 2 passes into engagement with the fixed contact 1. When, in opening the switch, the contact 2 is drawn downwards, the pressure set up by the arc drives the piston downwards, whereby liquid is forced from space 16 into space 17 through the aperture 8. The piston is arranged to move at about the same speed as the contact 2, so that the bore 8 will be almost closed during the entire breaking period. The cooling effect is improved by providing channels 20 crossing the bore 8 and debouching at 19 on the space 16. A metal cover 12 carried by a metal part 11 has pressure-relief openings 13 closed by valves 14. In Fig. 1 (not shown) the channels 20 are dispensed with. A common piston may be provided for a plurality of breaks.
Patent GB-533229-A (GB)
Title: Improvements relating to exhaust steam injectors
IPC: F04F5/46
Filed: 1939-08-11
Abstract: 533,229. Injectors. METCALFE, R. D., and METCALFE, J. C. Aug. 11, 1939, No. 23176. [Class 71] In an exhaust steam injector in which live steam is used to work the injector when exhaust steam is not available, the live steam is supplied by a pipe p and can pass directly to the nozzle c and also an auxiliary supply of steam can pass by a choke tube t to a chamber r and thence under control of an automatic valve s to the steam inlet d. The valve s is constructed as in Specification 533,230, and according to the invention the flow of auxiliary steam is kept constant with varying pressures by fitting the choke tube t with a spindle q fitted with a conical or stepped end portion which when the pressure increases diminishes the area of passage to the chamber r. The spindle q is fitted with an enlarged end guided by a stem v and acted upon by a spring w in a chamber x connected to the chamber r. The cone for controlling the inflow of water is adjustable by a crank pin g (not shown).
Patent GB-474651-A (GB)
Title: Improvements in and relating to the concentration of latex
IPC: C08C1/08
Filed: 1936-08-24
Abstract: Latex is creamed by the addition, as creaming-agent, of material obtained from legumes of the tribe Amherstieae of the sub-order Caesalpinieae, more especially the tamarind tree (tamarindus indica). Preferably, an aqueous solution, of 3 per cent concentration, is prepared by boiling powder obtained from roasted and decorticated seeds of the tamarind tree, and the solution is added in amount to give ,3 parts by weight of tamarind seed per 100 parts of the water phase of the latex which advantageously has an ammonia content of ,5 to 1,5 per cent. Specification 430,935 is referred to.
Patent GB-881111-A (GB)
Title: Process and apparatus for artificial drying of grass and other fragmentary vegetablematerial
IPC: F26B3/00
Filed: 1959-07-07
Abstract: 881,111. Drying grass &c. NATIONAL INDUSTRI A/S. July 7, 1959 [July 7, 1958], No. 23256/59. Class 34(2) Grass &c., supported on a perforate floor in a chamber is dried in three stages by the circulation therethrough of a current of warm air. During tne first stage, which lasts for about 2 hours, the temperature of the air is allowed to rise to a value of from 35 to 45‹C.; during the second stage, which lasts for from 8 to 10 hours, the heat supply to the air is approximately equal to that required to effect evaporation of moisture in the grass and during the third stage, which lasts for about 12 hours, with approximately the same heat input, the temperature rises to a value of from 55 to 65‹C. The process is carried out in a chamber having a perforate floor 4, Fig. 1, for the grass etc., an air inlet 6, circulation fan 2, electric heater 3, and moist air outlet 5. The inlet 6 and outlet 5 are adjustable, e.g. with dampers, for purposes of temperature control. The space above the floor 4 may be subdivided by a second perforate floor into an upper initial drying space and a lower final drying space, the grass being removed from the upper to the lower space when necessary. In a modification, the initial and final drying stages are carried out in similar chambers disposed, e.g., side by side, the moist air from the final chamber being discharged to the initial chamber to effect predrying; in this modification, each chamber may have its own heat supply.
Patent GB-723607-A (GB)
Title: Improvements in or relating to the manufacture of propeller blades
Inventor: MARTIN ERLE
IPC: B21D53/78
Filed: 1952-09-16
Abstract: 723,607. Aircraft propellers. UNITED AIRCRAFT CORPORATION. Sept. 16, 1952, No. 23258/52. Class 114. [Also in Group XXII] Square tipped hollow propeller blades have an outer shell 26 and a tubular core 20 carrying the blade securing means 24. The width of the blade is substantially constant at the end portion of the blade and the thickness is small in relation to the width. The blade also has a small camber at its end portion. The shape of the blades enable blades of different lengths to be made in a single set of forming dies, (see Group XXII).
Patent GB-222876-A (GB)
Title: Improvements in or relating to the burning, reducing, roasting or like treatment of materials such as fuel and ores
IPC: C22B1/22
Filed: 1924-10-02
Abstract: 222,876. Spirlet, X. de. Oct. 3, 1923, [Convention date]. Processes of combustion; fuel supports; stoking; ashes, removing. - In the apparatus shown the fuel is supported on a plate i which is intermittently raised a short distance so that a thin layer is caused to project above the edges of the shaft a into the combustion space d. The air is supplied through the pipe j, and the gaseous products are exhausted through conduits g. At intervals the ash is removed by a reciprocating scraper k moving in guides l and discharged into a receptacle n. When the whole charge has been treated the plate i is quickly lowered, and fresh fuel is supplied through the hopper c. A continuously or intermittently operated rotating scraper may be used.
Patent GB-753804-A (GB)
Title: Improvements in or relating to a method of making self-aligning bearings
IPC: B21K1/04
Filed: 1954-08-12
Abstract: 753,804. Making bearings. HEIM CO. Aug. 12, 1954 [Aug. 20, 1953], No. 23428/64. Classes 83 (2) and 83 (4). Forging.-A method of making a self-aligning bearing comprises forming. an inner.bearing member having a part-spherical surface, heat treating the member to harden it, placing it in a cylindrical race ring member, exerting substantial pressure simultaneously on the opposite ends of the ring in both axial and radial directions to force it into tight contact with the inner member and finally heat treating the assembly to bring the ring to substantially the same hardness as the inner member. The inner member 21 of the form shown in Fig. 4a is hardened and placed in a race member 22, Fig. 3a, which is then deformed as shown in Fig. 6a, machined as shown in Fig. 7 and hardened by heat treating the assembly. Both members are preferably of steel. Dies for compressing the member 22 on to the member 21 are shown in Figs. 9 and 9a. The upper die 44 has a cavity 45 with a partspherical wall 46 and a base 50 formed by a cylindrical block 49 held in position by a setscrew 48. The lower die has a similar partspherical wall 53 bounding a cavity through which projects a cylindrical ejector 52 having a reduced end 56 serving to position the assembly in the die. In a modification, the ring member is made narrower in order to avoid the machining of the ring after deformation about the inner member.
Patent GB-664832-A (GB)
Title: Production of nitriles
IPC: C07C255/49
Filed: 1948-09-08
Abstract: Nitriles are produced by reaction of ammonia in the gaseous phase with an aromatic hydrocarbon or heterocyclic compound having at least one nuclear hydrogen replaced by an aliphatic hydrocarbon radical, with an olefin or with a primary alcohol, at 950-1075, preferably 975-1025 DEG  F., in the presence of a catalyst as herein specified, one or both of the reactants being preheated before contacting with the catalyst at reaction temperature, the ammonia not being preheated alone at above 1050 DEG  F. or, in the presence of the organic compound, at above 925 DEG  F. The catalysts contain a vanadium, molybdenum or tungsten oxide, a salt of molybdic acid, e.g. uranyl, iron, sodium, potassium, lead, and copper molybdates, or nickel or copper salts of stable acids, e.g. nickel phosphate, sulphate or chloride, preferably on supports such as silica gel, silicon carbide, pumice, clays, and especially alumina.  The mixture of reactants may be preheated to about 850 DEG  F., quickly contacted with the catalyst while heating to 1000 DEG  F., and the products quickly cooled to 850 DEG  F. or below. Alternatively, the organic reactant is preheated to above reaction temperature, mixed with ammonia preheated below 850 DEG  F., and contacted with the catalyst at about 1000 DEG  F. for a short time. Organic reactants include toluene, xylenes, trimethyl benzenes, styrene, and methyl naphthalenes; ethylene, propylene, butenes, octenes, methyl heptenes, butadienes, pentadienes, ethyl butenes, hexadienes, heptenes and pentenes; primary alcohols, preferably of 2-18 carbon atoms, e.g. ethyl, propyl, butyl, 2-methyl propyl, and benzyl alcohols, decanol-1, tetradecanol-1, and octanol-1, and polyhydric alcohols such as glycol and pentaerythritol; alkyl, especially methyl, thiophenes. Conditions of reaction and mode of operation are otherwise substantially as described in Specifications 645,754 and 645,755. The effects of varying preheater or reactor temperature in reacting ammonia and toluene, one or both reactants being preheated, are illustrated.
Patent GB-991776-A (GB)
Title: Improvements in and relating to filters
IPC: B01D37/02
Filed: 1962-06-20
Abstract: 991,776. Filters for liquids. LEITZ-WERKE G.m.b.H. June 20, 1962 [June 22, 1961], No 23708/62. Heading BID. Liquid to be filtered is introduced at 16, Fig. 2, to a column 13 and passes thence along a pipe 17 in a lid fixed to the column on to a baffle having a raised apertured periphery. It discharges into a filter cloth supported by a filter element consisting of concentric truncated conical surfaces 21, 22, filtrate passing away at 24. For removal of residue, a closure securing the container to the cap is released and the container is lowered by mechanism located on the column 13. Next, the container is swung around the column 13 to the position shown in Fig. 4. The filter cloth containing residue may then be raised by a lifting device 23. A precoat of filter medium may be used ; the cloth may be dispensed with; the container may be inverted from the position of Fig. 4 to tip out all, or any remaining, residue ; a spray device for backflushing may be located between element and container ; gas backflushing may be used; remote-control operation may be adopted for toxic or radio-active liquids.
Patent GB-1127343-A (GB)
Title: Improvements in or relating to after-chlorinated polyvinyl chloride
Inventor: KONERMANN HANS-EDWALD
IPC: C08F8/20
Filed: 1966-05-26
Abstract: 1,127,343. After-chlorination of polyvinyl chloride. DYNAMIT NOBEL A.G. 26 May, 1966 [26 May, 1965], No. 23744/66. Heading C3P. A mixture of after-chlorinated polyvinyl chlorides, each having different chlorine contents, is produced by reacting chlorine with polyvinyl chloride in a suitable reaction vessel in such a way that a portion of the polyvinyl chloride is reacted with the chlorine for a period of time which is different from that for which another portion of the polyvinyl-chloride is reacted with the chlorine. Various methods of carrying out the process are described. The chlorination may be carried out in suspension in an aqueous medium using a swelling agent, and in the presence of ultra-violet light. Other components of the mixtures may be bariumcadmium laurate, and calcium stearate (example). In a comparative experiment in the example, three separate batches of differentlychlorinated after-chlorinated polyvinyl chlorides are prepared and worked up, each batch being homogeneous with respect to its chlorine content, and the batches mixed. Rolled sheets are produced from the mixtures prepared according to the invention and also from the comparative mixture.
Patent GB-240466-A (GB)
Title: Water gas generator with regenerative heat storing device
IPC: C10J3/00
Filed: 1925-09-23
Abstract: 240,466. Frõnkl, M. Sept. 26, 1924, [Convention date.]. Producers.-The combustion chamber of a water gas producer is placed between steam generating flues 13, 13', each comprising a set of tubes 14 heated internally by the " run " gas and externally by the " blow " gas. Water from pipes 18, 18<1> is injected alternately into the tubes of each set. The blast valves 9<a>, 9<a1>, stack valves 20 ,20<1>, water gas valves 16, 16', and water supply valves 19, 19<1> are all linked to a single actuating lever 12.
Patent GB-388797-A (GB)
Title: Improvements in or connected with hot water heating systems for vehicles
IPC: B60H1/20
Filed: 1931-08-24
Abstract: 388,797. Heating-apparatus associated with engine. NORRIS, P. O. Ingleside, and NORRIS, R. J., Gordon Villa, both in Park Gate, Southampton. Aug. 24, 1931, No. 23776. [Class 79 (iii).] Heating-apparatus for motor vehicles comprises a junction unit 1 secured to the exhaust manifold of the engine, and branches from the, unit connected by pipe 6 direct to a silencer 7, and by pipe 3 through a water-heater 4, rejoining the pipe 6 at 5. The water-heater comprises a jacket 4 surrounding a tube 13 and having two outlets 14, 15 connected to heat-radiating pipes 18, 19, the return flow being connected to inlets 16, 17. A water storage tank 9 at a higher level is connected to the boiler and is provided with a vertically extending expansion pipe 11. The junction unit 1 is provided with a flap valve 24 by which the flow of the exhaust gas through the branches 3, 6 may be regulated, and this valve may be regulated by hand or thermostatically. The circulation of hot water may also be regulated. Reference has been directed by the Comptroller to Specifications 20558/10, 205,901, 221,428, [all in Class 79 (iii), Motor vehicles, Arrangement &c. of parts of], and 349,595.
Patent GB-948588-A (GB)
Title: Improvements in or relating to processes and apparatus for the homogeneous application of metals to high-resistance solid bodies difficult to plate
IPC: H01B1/00
Filed: 1962-06-20
Abstract: <PICT:0948588/C3/1> Bodies of high electrical resistance, e.g. silicon, germanium, gallium arsenide, are uniformly plated with a metal, by disposing the body in the form of a solid wafer 15 as a bipolar electrode between an anode and cathode 18, e.g. of pure aluminium, immersed in an electrolyte from which metal is deposited on the face of the wafer disc facing the anode. The electrolyte is contained in two half-U tubes connected at their lower ends by a cap and nut 13, 14, which includes two apertured diaphragms 16, made of epoxy resin and clamped between the flanges of the glass U tube and holding the wafer disc.  The aperture of diaphragm facing the cathode is of frustoconical form to promote the escape of gases. The electrolyte specified is one part NaF and two of Al(Et)3, used at 100 DEG C., and forms a uniform aluminium coating on the silicon disc wafer, which coating may be tempered by heating.
Patent GB-1223523-A (GB)
Title: Rotary regenerative heat exchangers
IPC: F28D19/04
Filed: 1969-05-09
Abstract: 1,223,523. Thermal regenerators. H. BRANDT & A. KRITZLER, [trading as APPARATEBAU ROTHEMUHLE BRANDT & KRITZLER]. 9 May, 1969 [13 Feb., 1969; 24 Feb., 1969], No. 23850/69. Addition to 1,108,644. Heading F4K. The regenerator of the parent invention comprising concentric interconnected annular portions, is modified by so shaping the two end faces of the regenerator that they are respectively convex and concave when the regenerator is cold. The concavity and convexity is such that the normal distortion of the mass which occurs under operating conditions results in end faces ofsubstantially planar form so that stress and fluid leakage at the regenerator seals is reduced. The modifications alternatively or additionally include further forms of the means interconnecting the concentric annular portions of the regenerator:: The interconnecting means may for example comprise a bracket extending from one annular regenerator portion and making a sliding contact connection (to permit radial movement) with an adjacent portion, either by being received in a recess in said adjacent portion (Figs. 10a-11b), or through a corresponding bracket projecting from said adjacent portion. Fig. 6a shows one example in which a bracket 4 extends from one annular portion 1 of the mass and supports another annular portion 2 of the mass by means of an adjustable screw 9 carried in a bracket 10 extending from the portion 2 and bearing at its end on a plate 11 slidable in guides 12 on the bracket 4. In other forms described, the sliding movement may be effected by rollers (Figs. 5a, 5b and 8a, 8b).
Patent GB-1460974-A (GB)
IPC: C07C325/00
Filed: 1974-05-30
Abstract: 1460974 Antimicrobial agents DOW CHEMICAL CO 30 May 1974 [4 June 1973] 23965/74 Headings C3P and C3R [Also in Division C2] An alkyd or acrylic latex paint comprises as antimicrobial agent a compound of the formula where X is H or Cl.
Patent GB-1498375-A (GB)
Title: Magnetic filter element
IPC: B01D35/06
Filed: 1976-06-10
Abstract: 1498375 Magnetic separators; filters CATERPILLAR TRACTOR CO 10 June 1976 [16 Oct 1975] 24000/76 Headings B1D and B2J A magnetic oil filter comprises a tubular cylinder 27 of flexible permanently magnetised sheet material having holes 28 for the passage of oil, each hole having a diameter within the range from 0.25 to 0.38 inches and providing a total hole circumference to filter area ratio in the range from 5 to 7 inches per square inch. The cylinder is within a paper filter 25, 26 as shown or outside such a filter, Fig. 3 (not shown). The sheet material can be a matrix of rubber or plastics with magnetised particles embedded therein.