baber/WOPTO huggingface dataset:
Patent GB-1485418-A (GB)
Title: Pellets useful in shaft furnace direct reduction and method of making same
IPC: C22B1/14
Filed: 1974-08-09
Abstract: 1485418 Iron oxide pellets USS ENGS & CONSULTANTS Inc 9 Aug 1974 [9 Aug 1973] 35255/74 Heading C1A Iron oxide pellets for use in reducing furnaces have an average diameter of  to ¥ inch, and comprise (1) iron ore or concentrate which includes 0À5-3À0% SiO 2  together with (2) 0À5-1À5% bentonite as a binder, the pellets having a surface coating which includes 0À5- 4-5 wt. per cent of lime, limestone or dolomite based on the weight of the other dry components in the pellets, the coating having been hardened by firing at 2100-2400 F. for 5-15 minutes. The pellets may be made by preparing green pellets from the ore or concentrate and bentonite together with 7-12% moisture, and indurating the green pellets by drying them for up to 6 minutes at 500-700 F., preheating at 1700- 2000 F. and then firing at 2100-2400 F. for 5-15 minutes. In examples, the pellets are made from hematite.
Patent GB-987175-A (GB)
Title: Hydraulic pumps or motors
Inventor: SPENCE PETER
IPC: F01B3/00
Filed: 1962-09-17
Abstract: 987,175. Reciprocating pumps and motors. DOWTY TECHNICAL DEVELOPMENTS Ltd. Sept. 16, 1963 [Sept. 17, 1962], No. 35263/62. Heading F1A. In an hydraulic reciprocating swash plate pump or motor having a rotary cylinder block 11, a rotatable valve plate 23 is secured for rotation with the block 11 and cylindrical plugs 21 extending from the block are located in bores 22 in the valve plate 23. The plugs 21 are free to move axially, their movement being limited by a circlip 30. The port 25 is of smaller diameter than the bore 22 to allow liquid pressure to act on the valve plate 23 and maintain it in contact with the stationary valve member 24. Coil springs 31 are provided to ensure the engagement of the plate 23 and member 24 under low pressure conditions.
Patent GB-977766-A (GB)
Title: Chlorinated polyvinyl chloride
Inventor: TAYLOR JOHN HEYWARD
IPC: C08F6/12
Filed: 1962-09-17
Abstract: A process for separating chlorinated polyvinyl chloride from solutions thereof in tetrachlorethane comprises agitating said solution while adding thereto a mixture consisting of 4 parts of tetrachlorethane and 1.5 to 4 parts of methanol by volume until precipitation occurs.  The polymer may be recovered by filtration. In a further step methanol may be added before filtration to bring the volume ratio to approximately 1 to 1, when the filtrate may be recycled for use in the separation step, after adjustment of the tetrachlorethane concentration by evaporation of some of the methanol if necessary. Specification 401,200 is referred to.
Patent GB-391072-A (GB)
Title: Improvements in or relating to the manufacture of pointers for instruments
IPC: B21H7/00
Filed: 1932-12-13
Abstract: 391,072. Making pointers for meters &c. ARON ELECTRICITY METER, Ltd., 80, Salusbury Road, Kilburn, and TURNER, W. R., 9A, Gladstone Parade, Cricklewood, both in London. Dec. 13, 1932, No. 35303. [Class 83 (ii).] A pointer 17 for instruments such as watt-hour meters or time-pieces, is formed with an integral bush 15, preferably in a single operation in an automatic machine, from an extruded bar 11 which may be of brass, by turning down the bar to form the bush 15 and indicator 17, forming the bore 13, and severing the complete article, the operation then being repeated.
Patent GB-1014315-A (GB)
Title: Improvements in or relating to closed packages
IPC: B65B31/02
Filed: 1962-09-17
Abstract: 1,014,315. Packaging-machines. J. G. H. OLLIER, G. F. GROSSHANS, and R. G. MASSON. Sept. 17, 1962, No. 35392/62. Heading B8C. A method of making a closed box containing a product having poor flow characteristics comprises, arranging an open-topped-box together with a top closure immediately above it in an enclosure, reducing the pressure within the enclosure, securing the top closure to the box, and restoring the pressure within the enclosure to atmospheric pressure. The invention is described applied to a machine as shown in Figs. 1 and 2 of Specification 866,314 in which the welding device is replaced by apparatus according to the invention. The apparatus comprises a block 47 secured to a plate 37 and formed with three cavities 48 so that the device can deal with three boxes at a time. The block and plate are first lowered and the strip in which box-forming pockets 1a have been moulded and filled and the closure forming strip 2 are conveyed into the device, the boxes being each supported by a container with base 54 and side walls 63, mounted on the top of supporting rods 53. The block and plate are then raised until a gasket 43, on the top of the block comes into contact with the domed top member of the station 42, thus forming a gas-tight enclosure 45, which is evacuated. A heated sealing member 36 is then moved downwards by a jack 58 and presses the strip 2 into contact with the peripheral parts of the open-topped boxes. Finally, air is readmitted to the enclosure 45 thus creating a pressure differential between the interior and exterior of the box, subsequent movement of at least one side thereof causing the product substantially to fill the box.
Patent GB-918633-A (GB)
Title: Process for producing divanadium dodecacarbonyl
IPC: C07F9/00
Filed: 1960-10-17
Abstract: A vanadium carbonyl [V(CO)6]x, where x is an integer of at least one, is produced by reacting carbon monoxide at a pressure of at least 15 p.s.i.g. and at 55 DEG -120 DEG C. with a bis (aromatic hydrocarbon) vanadium compound.  Vanadium compounds are, bis(benzene) vanadium; bis(toluene) vanadium; bis(cumene) vanadium; bis(mesitylene) vanadium; bis(hexamethylbenzene) vanadium; bis(tetrahydronaphthalene) vanadium; bis(diphenyl) vanadium; bis(p-ethyldiphenyl) vanadium and bis(p-p1-dimethyl-diphenyl) vanadium.  The reaction may be carried out with the exclusion of air and moisture and the CO may be diluted with hydrogen.  The reaction may be carried out in an inert liquid organic solvent, e.g. heptane, petroleum ether, diethyl ether, ethylene glycol dimethyl ether, cyclohexane but preferably benzene, toluene, xylene, mesitylene cumene or ethylbenzene.  The carbonyl is recovered by distillation with the solvent under reduced pressure, and separation from the resulting solution by evaporation of the solvent or crystallization, and may be purified by sublimation.ALSO:Ethylene is polymerized using a solution containing tri-isobutyl aluminium and a vanadium carbonyl of formula [V(CO)6]x where x is an integer of at least one.  The carbonyl is dissolved in toluene to which is added a solution in toluene of tri-isobutyl aluminium.  This is pressurized to 400 p.s.i.g. with ethylene gas and the mixture stirred and heated to 40 DEG C.  After cooling and venting excess ethylene, a fibrous polymer of ethylene remained in the toluene.ALSO:Bis(arene vanadium)hexacarbonyls are produced by reacting a bis(aromatic hydrocarbon) vanadium compound with carbon monoxide at a pressure of at least 15 psig. and at a temperature below 55 DEG C.  The reaction may be carried out in the absence of air and moisture.  Vanadium compounds used are:- bis (benzene)vanadium; bis(toluene)vanadium; bis (cumene)vanadium; bis(mesitylene)vanadium; bis(hexamethylbenzene)vanadium; bis(tetrahydronaphthalene) vanadium; bis (diphenyl) vanadium; bis(p-ethyl diphenyl)vanadium; and bis(p-p1-dimethyl diphenyl)vanadium.
Patent GB-1358741-A (GB)
Title: Bobbin
IPC: B65H65/00
Filed: 1971-09-24
Abstract: 1358741 Securing thread to bobbin SHAKESPEARE CO 24 Sept 1971 [6 Oct 1970] 35473/73 Divided out of 1358306 Heading B8M [Also in Division D1] A bobbin comprises a pair of flanges and a core extending between the flanges, a thread being wound on the core, and is characterized in that the thread is formed of, or is coated with, a thermoplastic material and is sealed to the bobbin at or near one end by being deformed by heat or heat and pressure without deformation of the bobbin. Both the thread and the bobbin can be made of thermoplastic material with the bobbin being of a higher melting point material than the thread. In a preferred embodiment, the thread is a thermoplastic coated electric conductor and the bobbin is made of metal. The sealing is preferably effected by a flat surfaced heated rod.
Patent GB-1216204-A (GB)
Title: A voltage regulator
IPC: H02M3/156
Filed: 1968-07-25
Abstract: 1,216,204. Automatic voltage control. SOC. ITALIANA TE LECOMUNICAZIONI SIEMENS S. P. A. July 25, 1968 [Aug. 24, 1967], No.35489/68. Heading G3R. In a voltage regulator of the type including a switching transistor T associated with a transformer Tr, a comparator Ar for deriving an error signal dependent upon variations in output voltage from a reference value, and an error amplifier Sa which controls the switching of transistor T so that the output voltage tends to remain constant, the base-emitter circuit of the transistor T is provided with a biasing voltage E which abbreviates the 'ON' time of the transistor to less than the minimum set by the control voltage from Sa. The specification explains how this arrangement reduces the variation of switching frequency with load and enables the output voltage to be stabilized within a wider range of values. The biasing voltage may be derived from a tapped portion of the secondary winding of transformer Tr Fig.4, (not shown), and the regulator may include an overload protection circuit Fig.6, (not shown).
Patent GB-1006180-A (GB)
Title: Improved football boot
IPC: A43B5/02
Filed: 1964-09-01
Abstract: 1,006,180. Football boots. A. DASSLER. Sept. 1, 1964 [April 22, 1964], No. 35755/64. Heading A3B. A football boot has a built-in counter stiffener which extends for a greater distance on the outside of the boot than on the inside of the boot. The stiffener extends for a very short distance only on the inside of the heel.
Patent GB-871526-A (GB)
Title: Improvements in bollards
IPC: E02B3/24
Filed: 1958-11-07
Abstract: 871,526. Rope release device for a bollard. BEAN Ltd., E. J., and ASH, W. J. Aug. 27, 1959 [Nov. 7, 1958], No. 35851/58. Class 78 (5). A ship's mooring bollard is provided with a sheave 5 capable of movement in two directions relative its pedestal 1, being mounted by means of trunnions 6 upon ring 4 rotatable around the said pedestal. The sheave is, when out of use, locked in horizontal position, by means of a catch formed of levers 8, 10 mounted as shown upon the inside of the sheave, and when in use, is free to pivot in the vertical plane, to align itself with the pull of the rope, because the loop of the mooring rope around the sheave engages lever 8 to release the said catch. Additionally, the rope engages twin levers 18 carried pivotally at 19 by the sheave, so that the rope is normally held securely around the sheath, levers 18 having struts 21 in end-to-end relationship to affix said levers. Quick release in case of fire.- In use, the sheave 5 is inclined to the horizontal, the loop of the rope being held by levers 18. To release, the operator pulls chain 31 to the left. This causes pawl 26 to pivot about 29, thus releasing weight 24, which drops upon head 35 and causes chain 37 to descend and so tips lever 41 anticlockwise about pivot 42. Lever 41 engages and knocks up struts 21 so that levers 18 are free to move anticlockwise to release the loop of the rope. The weight is now reset at 28 by the operator, who pulls chain handle 38 to the right. At the same time, the catch 8, 10 operates to secure the sheave in the horizontal position. The quickrelease may be effected by piston-and-cylinder 48 in place of chains 31 and 37.
Patent GB-467275-A (GB)
Title: Improvements in or relating to small-ware looms
IPC: D03D35/00
Filed: 1935-12-27
Abstract: 467,275. Small-ware looms. MATTERSON, W. Dec. 27, 1935, No. 35858. [Class 142 (ii)] The rack 2 or racks for operating the shuttles are driven by a slotted lever 6 connected by pins 21 to adjustable plate-like crank arms 5 adjustably fixed to elliptically shaped wheels 3 driven by a squareshaped-wheel 4 on a shaft 10 driven by bevel gearing. There is a dwell in the shuttle movement whilst the lay moves a short distance, and the shuttle movement begins and ends slowly. A rod on a plate adjustably attached to the rack 2 may engage the lever 6. In a modification, a single driven gear is connected by a crank-pin or connecting rod and a lever or levers to the shuttle operating rack or racks. An arm attached at rightangles to the lever may pass between pins, rollers, which may be of double conical form, or ball or roller bearings on a plate attached to the rack. An eccentric may replace the crank-pin. According to the Provisional Specification, the driving and driven wheels may be elliptical.
Patent GB-489762-A (GB)
Title: Improvements in or relating to the production of temporary photographic records
IPC: G03C1/73
Filed: 1936-12-31
Abstract: 489,762. Photographic sensitive materials. ZEISS IKON AKT.-GES. Dec. 31, 1936, No. 35863. Convention date, Dec. 31, 1935. [Classes 98 (i) and 98 (ii)] A photographic plate or film capable of repeated use comprises a light-sensitive material of known kind which changes colour under the influence of light of a definite wavelength or spectral range and again changes colour under the influence of light of another wavelength or spectral range. The second change may consist in a reversal of the original change. Suitable light-sensitive bodies are the fulgides, e.g. triphenyl fulgide or diphenyl-o-nitrophenyl fulgide, and bodies of the hydrazone group. They may be applied to a support in a binding layer of gelatin, an albuminous substance, an alginate, a cellulose derivative, or an artificial resin. Alternatively an adhesive layer of waterglass, gelatin, or a superficially dissolved layer of cellulose ester may be used. The Specification as open to inspection under Sect. 91 comprises also the use of three substances which are turned blue-green, yellow and purple-red combined into a layer for colour photography and a printing apparatus comprising a lamp 1, Fig. 1 (Cancelled), condenser 2, negative holder 4, objective 5, holder for sensitive material 6, and interchangeable filters 7. This subject-matter does not appear in the Specification as accepted.
Patent GB-623425-A (GB)
Title: A process for the manufacture of cyclohexane by catalytic hydrogenation of benzene in the vapour phase
IPC: C07C5/10
Filed: 1946-12-05
Abstract: Cyclohexane is prepared by the vapour phase catalytic hydrogenation of benzene under hydrogen pressure, the hydrogen required being obtained by a simultaneous in situ catalytic dehydrogenation of cyclohexane homologues.  Instead of benzene, a mixture of hydrocarbons containing benzene may be used and the cyclohexane homologues may be replaced by hydrocarbon mixtures containing them. Cyclohexane homologues and mixtures instanced are monoalkyl cyclohexanes such as methyl-, ethyl-and propyl-cyclohexane, C7 naphthene concentrates of straight run gasoline and heavy naphthenic benzines.  The reaction proceeds at elevated temperatures and pressures which vary with the catalyst used.  Catalysts instanced are nickel and sulph-active catalysts containing molybdenum or tungsten oxide or sulphide.  All hydrogenation-dehydrogenation catalysts may generally be used.  A mixture of benzene and cyclohexane obtained by distillation of the product may be rehydrogenated, preferably with free hydrogen obtained and collected during a previous course of the reaction. This hydrogen may also be used to pressure the initial hydrogenation-dehydrogenation process.  In examples: (1) cyclohexane and toluene are produced at 340 DEG  C. and 21 atmospheres, from a benzene-methyl cyclohexane mixture in the presence of a supported nickel catalyst and hydrogen obtained from a prior process; and (2) cyclohexane with higher aromatics and unchanged benzene and gasoline are obtained at 365 DEG  C. and 25 atmospheres from a mixture of benzene and Lagunillas straight-run benzine, boiling range 150-200 DEG  C., consisting of 80 per cent naphthenes, approximately half of which are 6-ring naphthenes in the presence of a mixed tungsten and nickel sulphide catalyst and hydrogen from a previous process.
Patent GB-972000-A (GB)
Title: Process for producing level dyeings on textiles with vat dyes
IPC: D06P1/22
Filed: 1962-09-21
Abstract: Level dyeings with vat dyestuffs on textiles materials, especially on cotton are obtained in the presence of a water-soluble linear addition copolymer made up of polymeric structural units of (1) 25-70% mol of a 2-keto-N-vinyl-heterocyclic compound which is saturated in the ring, (2) 30-75% mol. of acrylamide or methacrylamide and/or of an alkali metal salt of acrylic or methacrylic acid, and (3) 0.45% mol of vinyl acetate.  Suitable heterocyclic compounds (1) correspond to the formula <FORM:0972000/D1-D2/1> where R is a divalent, saturated, possibly substituted residue with 3 to 4 carbon atoms of which at most one is replaced by N or O, e.g. -CH2CH2CH2-, -CH2CH2CH2CH2-, -CH2CH2NH-, -NH CH2CH2-, -NH CH2CH2CH2- or -OCH2CH2-, those compounds specified being N-vinyl-oxazolidone-2 and its 5-methyl or 5-ethyl substitution products, N-vinyl-N: N1-ethyleneurea, N-vinyl-N:N1-trimethyleneurea and particularly N-vinyl-pyrrolidone-2.  The preferred copolymers contain 30-60% mol of N-vinyl-pyrrolidone-2 and 40-70% mol of acrylamide or sodium acrylate.  The said levelling agents may be added to the dyebath itself or may be used in an alkaline bath containing hydrosulphite to level spotty vat dyeings.  Examples are given. Specifications 735,396 and 834,393 are referred to.
Patent GB-991618-A (GB)
Title: Surgical clip assembly
IPC: A61B17/068
Filed: 1961-10-06
Abstract: 991,618. Suturing appliances. ETHICON Inc. Oct. 6, 1961 [Oct. 6, 1960], No. 36096/61. Heading A5R. A carrier for clips to be used in the suturing appliance of Specification 946,255 supports the clips in spaced, end-to-end relationship. The carrier comprises a metal strip 22, Fig. 5, having a raised centre portion 30 on which the clips 10 are retained by tongues 26 engaging the central web portion of the U-shaped clips, the downwardly directed points 20 of which are located in the depressed edge portions 12. The forward end of the carrier strip 22, Fig. 4, is extended to provide a tab 24. When the applicator is to be loaded, the upper portion of the body is raised about its pivot so that a strip of clips can be laid in position. The body is then closed and the strip itself withdrawn by pulling on the tab 24, so leaving the row of clips in position in the applicator.
Patent GB-1456846-A (GB)
Title: Digital telecommunications apparatus
IPC: H04L1/00
Filed: 1973-07-30
Abstract: 1456846 Data transmission; error detection DEFENCE SECRETARY OF STATE FOR 29 July 1974 [30 July 1973] 36202/73 Heading H4P A multiplexing system has a plurality of error detecting block codes of common length of different error correcting capabilities, those having greatest correction capability being selected inversely according to reducing number of live data ports. A data packer 1 receives signals from source 2 which are directed on to lines 4 by channel request signals 3. Encoder and multiplexer 5 is substantially similar to that disclosed in Specification 1,389,551, output from which is assembled at 8 together with " domestic " and synchronizing signals from which it is passed through a distributer 10 to a transmitter (not shown). Selection of appropriate error correcting mode is determined by a line 6 which controls input to a counter (31) (see Fig. 3, not shown) output from which is decoded at (33, 34) and provides an output on one of lines 9 which select the appropriate error correcting mode. The " domestic " signals transmitted indicates which mode is operative and this is decoded by a counter (41) at a receiver (see Fig. 4, not shown) which controls a mode determination arrangement (43). Counter 41 acts as a serial majority voting circuit. A data packer is described with reference to Fig. 2 (not shown). In the arrangement it is preferred that the encoded data signals and sync. signals should be distributed before transmission, i.e. order of information bits should be changed so that effects of burst interference will be scattered over several blocks.
Patent GB-1011911-A (GB)
Title: Improvements in or relating to excavating apparatus for mines
IPC: E21C29/14
Filed: 1964-09-03
Abstract: 1,011,911. Mineral-mining machines. GEBR EICKHOFF MASCHINENFABRIK U, EISENGIESSENEI. Sept. 3, 1964 [Sept. 19, 1963], No. 36212/64. Addition to 923,705. Heading E1F. The control circuit of the mineral-mining machine of the referred to parent Specification is modified by the replacement of the polarized relays of the system with Selsyn motors.
Patent GB-427759-A (GB)
Title: Hosiery with elastic strain absorber
IPC: D04B9/46
Filed: 1933-12-23
Abstract: 427,759. Stockings &c. SNADER, H. B., Temple, Reading, Pennsylvania, U.S.A. Dec. 23, 1933, No. 36260. Convention date, July 10. [Class 141] [See also Group VIII] A stocking is provided with a strain-absorbing zone 63 below the welt and above the knee, the zone comprising a plurality of bands constituted alternately by courses 61 of covered elastic rubber thread and by courses 62 of relatively inelastic yarn.
Patent GB-993010-A (GB)
Title: Method of protecting the refractory walls of industrial furnaces against radiation
IPC: F27D99/00
Filed: 1961-10-10
Abstract: 993,010. Preventing corrosion; protecting furnace walls from radiation. INSTITUT DE RECHERCHES DE LA SIDERURGIE FRANCAISE. Oct. 10, 1961 [Oct. 18, 1960], No. 36285/61. Heading F4B. The refractory walls or roof of a furnace in which combustion gases circulate near and parallel to the walls or roof in the opposite direction to the main flame are protected against radiation by injecting a hydrocarbon fuel with a low velocity into the stream of recirculating gases so that the hydrocarbon is cracked to form a cloud of carbon particles screening the walls or roof. In an open hearth furnace heated by a main flame 8, with recirculating combustion gas currents f, fuel oil is supplied by water cooled injectors 9a spaced three quarters of the furnace length from the end having an operative burner 5a to form a sheet 13 of carbon particles screening the roof 2 from radiation from the flame 8 and the melt 7. The injectors may be arranged to form a conical spray, or to form a flat sheet of fuel. The hydrocarbon injected to form the carbon cloud may be fuel oil, tar or a gas having a high carbon/hydrogen ratio such as propane, and may be taken from the main furnace fuel supply, or may be supplied separately. Alternative injectors 9b are used when the furnace is reversed and burner 5b is operative.
Patent GB-961058-A (GB)
Title: Improvements relating to monoazo dyestuffs and their use
IPC: C09B62/473
Filed: 1961-10-10
Abstract: The invention comprises monoazo dyes of formula <FORM:0961058/C4-C5/1> wherein the nucleus A is substituted by an alkyl radical having at least 4 carbon atoms, a cycloalkyl, aralkyl or aromatic radical and the nuclei A and B may be substituted by non-ionogenic substituents (i.e. those which do not dissociate in neutral water), R is H or CH3, Hal is a halogen atom and n is 1 or 2. The dyes are prepared by the usual coupling procedure using appropriately substituted phenoxy-amino-benzene diazo components and 1-amino-8-naphthol-3 or 4 : 6-disulphonic acid coupling components. The dyes are used to colour nitrogenous materials such as silk, leather and particularly wool, in red shades. Examples describe the preparation of the dyes and many alternative components are specified.
Patent GB-860381-A (GB)
Title: Improved indicating device
IPC: H01H9/16
Filed: 1959-10-28
Abstract: 860,381. Indicators for switches. ALLMANNA SVENSKA ELECTRISKA A.B. Oct. 28, 1959 [Oct. 31, 1958], No. 36519/59. Class 38 (5). [Also in Group XXXVIII] A device for indicating the position of a movable member, e.g. in an electrical contactor, comprises a pair of coloured flaps 1 pivoted at 3 and spring-urged together. In the rest position they cover a differently-coloured surface 2, but when the movable member lifts a rod 7, the flaps 1 move apart to disclose the surface 2 which may be arranged behind a window of the electrical contactor. The pivots 3, flaps 2, and the mounting frame 4 are preferably made of resilient synthetic resin material.