baber/WOPTO huggingface dataset:
Patent GB-1526360-A (GB)
Title: Apparatus and method for producing asphalt-aggregate compositions
IPC: E01C19/10
Filed: 1976-12-08
Abstract: 1526360 Mixing asphalt-aggregate compositions R L MENDENHALL 8 Dec 1976 51221/76 Addition to 1439420 Heading B1C The method of claims 1-9 of the main Patent is modified by the addition of hydrocarbon oil to the composition outside the mixing chamber.
Patent GB-1383229-A (GB)
Title: Production of gaseous olefins from petroleum residue feedstocks
IPC: C07C4/20
Filed: 1972-11-08
Abstract: 1383229 Steam cracking a hydrogenated feedstock BP CHEMICALS INTERNATIONAL Ltd 31 Oct 1973 [8 Nov 1972] 51435/72 Heading C5E Olefins are produced by a process comprising catalytically hydrogenating an atmospheric petroleum residue feedstock to effect hydrogenation of the aromatic hydrocarbons, separating from the product a gaseous phase containing hydrogen and a liquid phase, recycling at least part of the gaseous phase to the hydrogenation, and either feeding the whole of the liquid phase with steam to a pyrolysis zone the unvaporized feedstock being removed as a residue fraction in a separation zone prior to the main pyrolysis zone or separating the liquid phase into a distillate fraction and a residue fraction and passing only the former to the steam pyrolysis zone. The residue feedstock may have a boiling range above 300 C. The hydrogenation may be carried out at 50-500 C. and 50-5000 p.s.i.g. in one or more stages using as catalyst a combination of Ni and/or Co and W and/or Mo, optionally sulphided, on Al 2 O 3  or SiO 2 -Al 2 O 3  support. The steam pyrolysis may be effected in a heated tube at 700-1000 C. with a steam: hydrocarbon ratio of 1 : 2 to 2 : 1.
Patent GB-1112434-A (GB)
Title: Improvements in or relating to composition resistance tracks for rotary voltage dividers
IPC: H01C10/04
Filed: 1965-12-03
Abstract: 1,112,434. Variable resistor. W. PREH, [trading as PREH ELEKTROFEINMECHANISCHE WERKE JAKOB PREH NACHFOLGER]. 3 Dec., 1965 [23 Dec., 1964], No. 51503/65. Heading H1S. A voltage divider with a predetermined non- linear characteristic which may be matched to a printed scale comprises a resistance layer 1 on an insulating base, with an outer edge which is an arc of a circle and a width which increases steadily from feed terminal 2 onwards. Feed terminal 2 and terminal 3 are conductive silver layers and terminal 3 is so shaped, with a boundary approximately tangential to the inner edge of the base, that if a voltage of, say 100 V., is applied across the terminals a voltage distribution represented by the equipotential lines in Fig. 1 is produced. A wiping contact which follows the outlined track along the periphery of the resistance element encounters voltages which, as it is moved steadily from the output terminal towards the input one, show a rising rate of increase. Optionally (Fig. 3, not shown) a layer resistance may be included between terminal 3 and contact 4 and regulated by scraping it away (at 6<SP>1</SP>) to give an exponential voltage curve with a small regulation range. A tap (7) may be provided on the resistance element for connection to other circuit elements or for the offtake of a fixed voltage.
Patent GB-1443341-A (GB)
Title: Linear polyimides
IPC: C08J5/18
Filed: 1973-11-08
Abstract: 1443341 Laminates RHONE-POULENC SA 8 Nov 1973 [9 Nov 1972] 51924/73 Heading B5N [Also in Division C3] Laminates are made by coating glass fabric with a solution of a polyimide, followed by hotpressing a stack of the thus-coated fabrics, the polyimide having formula where A is a C 2-30  radical, R is a single bond or a C 1-24  radical, a # 1, and T and T<SP>1</SP> each represent where Y is a C 4-12  radical and radicals Y<SP>1</SP> are each independently C 1-12  radicals or the two Y<SP>1</SP> together form a divalent C 2-12  radical.
Patent GB-1148377-A (GB)
Title: Improvements relating to mowers
Inventor: TURNER ANTHONY LEONARD
IPC: A01D34/535
Filed: 1965-12-08
Abstract: 1,148,377. Flail-mowers; sweeping lawns. TURNER ENG. CO. (COUGHTON) Ltd. 6 Dec., 1966 [8 Dec., 1965], No. 51961/65. Headings A1E and A1F. A manually-guided flail-mower comprises a wheeled frame 10 supporting a motor 13 which drives the flail-shaft 19 and a handle 15 for manual guidance of the mower. The frame is mounted on a pair of tyred wheels 12 which are driven from the motor. The flail-shaft 19 is journalled in a hood 17 mounted on wheels 20 and is driven from the motor 13 through a belt or chain transmission 21, 22. The hood may be modified to provide a collecting box extending along the length of the hood, the device being then usable for collecting and shredding fallen leaves in Autumn. Clutches may be provided in both the drive to the flail-shaft and to the wheels and a variable-speed drive is provided adjustable by a gear-lever 16. The flail-shaft 19 has a series of strips 27 welded along its length and apertured to receive the bent-over ends 29 of U-shaped stirrups 28 on which the flail-knives 34 are freely pivoted. Spring clips 30, 31 are inserted through holes in the ends 29 detachably to retain the stirrups in position.
Patent GB-1122388-A (GB)
Title: Improvements in or relating to radio apparatus
Inventor: CLARKE DENNIS HARRY
IPC: H01Q1/24
Filed: 1964-12-23
Abstract: 1,122,388. Radio transmitting and receiving apparatus. PYE Ltd. 22 Dec., 1965 [23 Dec., 1964], No. 52265/64. Headings H3Q and H4L. A portable radio transmitting and/or receiving apparatus is provided with a retractable rod aerial which is erected automatically on operation of a push-button which also connects the power supply to the apparatus. The telescopic aerial is erected by a coil spring attached to the inner end of the aerial, which is arranged to be under tension when the aerial is retracted.
Patent GB-1209317-A (GB)
Title: Indexable cutter blade
IPC: B23C5/24
Filed: 1967-11-20
Abstract: 1,209,317. Tool bits for milling, boring and turning tools. INGERSOLL MILLING MACHINE CO. 20 Nov., 1967 [23 Nov., 1966], No. 52607/67. Headings B3C, B3K and B3T. An indexable cutting bit 10, Fig. 1, for a milling, boring or turning tool comprises a wafer of equilateral polygonal shape having undercut grooves 19 which extend the full length of alternate edges on one face of the bit and similar grooves which extend along the intervening edges of the other face to provide staggered cutting edges 16, 17. The cutting faces 14 formed by the grooves 19 may be slightly convexly curved. The bit may be of other even-sided polygonal, e.g. hexagonal form (Figs. 10, 11, not shown). The indexable cutting bit may be used in a milling cutter, Fig. 4, being supported on a ledge 27 of a nest 28 clamped in one of a series of spaced inclined slots 25 by a wedge 30 and screw 31, the bit 10 being clamped against the nest by a similar screw-operated wedge 32.
Patent GB-1450206-A (GB)
Title: Antenna system
IPC: H01Q3/34
Filed: 1973-11-14
Abstract: 1450206 Aerials INTERNATIONAL STANDARD ELECTRIC CORP 14 Nov 1973 [11 Dec 1972] 52779/73 Addition to 1434986 Heading H4A An aerial system of the kind described in the parent Specification 1,434,986 is provided with an ancillary reflector 13, facing and uniformly spaced from a feed aperture 14, that directs radiation to a main reflector in two like parts 12, 12a, each disposed on a respective side of the parallel plate structure 11 of the said system, the surface of the main reflector being of a shape generated by the revolution of a curve about the axis of the circular aperture of the feed system, said curve being defined by the equations  where R is the radius of the main reflector, with minimum value R 0  opposite the feed aperture, Z is the axial distance along the main reflector, F is the radius of the ancillary reflector, and α, # are, respectively, the equivalent feed angle and the azimuth angle, as shown in Fig. 2. The surface of the ancillary reflector is of a shape generated by the partial (e.g., not more than 180 degrees) revolution of a curve, such as a hyperbola, circular arc, or straight line, about the aforesaid axis. In operation a planar fan beam is scanned vertically, although the use of the system in other orientations is not precluded. The ancillary reflector 13 may be replaced by a folded horn of the feed aperture or a dipole array excited by the feed aperture.
Patent GB-1327272-A (GB)
Title: Control system hydrodynamic retarder and an engine in combination therewith
IPC: B60T10/00
Filed: 1970-11-06
Abstract: 1327272 Control system for hydrodynamic retarder CATERPILLAR TRACTOR CO 6 Nov 1970 [20 Jan 1970] 52901/70 Headings F2E and F2F A control system, in combination with an internal combustion engine, having a pressurized lubricating fluid source, and a hydrodynamic retarder, comprises a priority valve for directing lubricant from the source to only the engine when the lubricant pressure falls below a predetermined level, and to a control valve when the pressure exceeds the predetermined level to supply the engine and for selectively supplying the retarder. The priority valve 26 has one inlet 30 from a lubricant pump 10 and two outlets 38, 42 respectively for direct flow to the engine 18 and to the control valve 28. A spring biased spool 32 allows communication between ports 30, 38, until the pressure reaches the predetermined level, acting on the end of the spool through a line 40, causing spool movement to commence communication between ports 30, 42, initially still with previous communication between ports 30, 38, but then stopping such flow. Alternatively, flow is permitted between ports 30, 38 by four channels (37), Fig. 2 (not shown), in the spool 32, and pressure increases to the right of the spool causing the pressure to act on a frusto-conical face actuating the spool against the spring. The control valve 28 is spring biased to allow direct fluid flow to the engine 18 via lines 42, 48 a heat exchanger 16 and lines 50, 56, and is actuated by air pressure from a controller 70 acting on a spool 44 to allow fluid flow via lines 42, 92, the retarder 20, lines 94, 48, the heat exchanger 16 and thence to the engine as before. The retarder 20 is shown coupled to the engine output and mounted on the engine 18, though the retarder may be transmission mounted.
Patent GB-1099936-A (GB)
Title: Improvements relating to seals for ball or roller bearings
Inventor: SUGDEN JOHN
IPC: F16C33/78
Filed: 1964-12-31
Abstract: 1,099,936. Bearings. POLLARD BEARINGS Ltd. Dec. 15, 1965 [Dec. 31, 1964], No. 52956/64. Heading F2A. In a ball or roller-bearing, a seal 4 of resilient material is forced past a front flank 14 of an annular groove 13, which is formed in an outer race 2, so that a biased, or angularly offset, lip 12 of the seal can spring into engagement with the front flank 14 so as to hold the seal in the bearing. The lip 12 may be of uniform thickness and may be curved at its periphery to facilitate engagement with the front flank 14. The seal, having a base 11, may be urged into engagement with a rear flank 15 of the groove 13; may have a reinforcing-ring 6 retained by a step 7 and a shoulder 10; and may have an extension 8 in engagement with an inner race 1.
Patent GB-1492776-A (GB)
Title: Concrete screeding appliance
IPC: E01C19/42
Filed: 1974-12-09
Abstract: 1492776 Screeding appliance P A MURPHY 9 Dec 1974 [7 Dec 1973] 53181/74 Heading E1G A screeding appliance includes an elongate frame having three mounting points 10, 14 for attachment to a tractors lift linkage so that the frames longitudinal axis is parallel wih that of the tractor and a screed board support 22 for supporting a screed 23 transverse to said axis, the support 22 being reciprocable in said transverse direction by means of a lever 20 pivoted about a vertical axis 21, one end of the lever being pivoted at 38 to the support 22 and the other end being connected to reciprocating means operable by a tractors power-take-off shaft. The reciprocating means comprises a crank and pitman. The support 22 is also pivoted to arms 24 pivoted at 25 about a vertical axis The support 22 may also be vertically vibrated.
Patent GB-1110698-A (GB)
Title: Process for producing l-glutamic acid
IPC: C12P13/14
Filed: 1965-12-17
Abstract: L-Glutamic acid is produced by culturing a hydrocarbon non-assimilating micro-organism capable of producing L-glutamic acid in an aqueous nutrient medium containing a source of carbon and nitrogen and inorganic salts under aerobic conditions in the presence of at least one hydrocarbon.  Specified hydrocarbons are straight- and branched-chain paraffins, cycloparaffins, straight- and branched-chain olefins, cycloolefins, aromatic hydrocarbons and mixtures thereof, and mixed hydrocarbons such as kerosene, light oils or paraffin oils.  Specified microorganisms are various strains of Micrococcus glutamicus.  Examples are given which show the effect of various hydrocarbons on the amount of L-glutamic acid produced.
Patent GB-1198038-A (GB)
Title: Anti-Pick Lock
IPC: E05B27/00
Filed: 1968-11-13
Abstract: 1,198,038. Anti-picking locks. BATON YALE & TOWNE Inc. 13 Nov., 1968 [28 March, 1968], (No. 53840/68. Heading E2A. Picking of a revolving-barrel, pin-tumbler look is prevented by the use of additional lateral tumblers in 'the barrel which are moved to the fastening or releasing position by movement of the main tumblers. As shown in Figs. 2, 3 and 4, the additional tumblers 17, 17a are normally held into engagement with holes 20, 20a by the main tumblers 13a, 13b. &C When key K is inserted to lift the main tumblers from the path of the side tumblers, inward movement of the side tumblers under the camming action of rounded surfaces 21 allows rotation of the barrel, Fig. 4. The tumbler drivers 14 have tapered noses 22 to enable them to act on the' tumblers when the barrel is slightly misaligned. When picking is attempted, the side tumblers accept the packing torque and no indication is given as to the position of the main tumblers 13. The side tumblers may be spring loaded at 24, as shown in Fig. 5.
Patent GB-1191480-A (GB)
Title: Titanium Compounds.
Inventor: STANLEY ROBERT HOLROYD
IPC: D06L4/13
Filed: 1967-11-28
Abstract: 1,191,480. Titanium salts. BRITISH TITAN PRODUCTS CO. Ltd. 31 Oct., 1968 [28 Nov., 1967], No. 53988/67. Heading C2C. Alkali metal, ammonium, magnesium and calcium titanium malates and citrates are prepared by reacting an alkyl titanate with a metal or ammonium malate or citrate. A solvent, e.g. isopropanol, may be present during the reaction and isopropyl or butyl titanates are used. Examples describe the preparation of sodium, and potassium citrate and sodium and potassium malate. The compounds may be used as mordants in the dyeing of textiles and leather.
Patent GB-1403707-A (GB)
Title: Calculators
IPC: G06F15/02
Filed: 1972-06-15
Abstract: 1403707 Calculators HEWLETT-PACKARDCO 15 June 1972 [15 June 1971] 54011/74 Divided out of 1403710 Heading G4A The description is part of that of Parent Specification 1,403,710 but the claims are directed to the fact that a programme fed from the read/write memory to the magnetic record may be designated as "secure," such a programme when read in from the record being identified to prevent the calculator from printing it out, displaying it or subsequently re-recording it. As described, to record a programme or "secure" the format key FMT is operated followed by the "RECORD" key.
Patent GB-1430747-A (GB)
Title: Articles of clothing
IPC: A61F13/15
Filed: 1974-12-18
Abstract: 1430747 Nappy W A BAYLEY H I JAMES E G TOMLINSON and M J O'BRIEN TIPPETT 18 Dec 1974 54653/74 Heading A3V A baby's nappy comprises a body portion 2 and a pair of overlapping strips 3, 4 releasably held in position by fasteners. The nappy is held in place by further fasteners 9a, 10a cooperating with complementary fasteners 9b, 10b on the reverse side. Touch-and-close fasteners or press stud fasteners may be used. For Figures see next column
Patent GB-1157919-A (GB)
Title: Composition for Reducing Effects of Caffein
Inventor: LEIDY HAROLD THEODORE
IPC: A23F5/20
Filed: 1967-12-06
Abstract: 1,157,919. Reducing effects of caffeine. GENERAL FOODS CORP. 6 Dec., 1967, No. 55576/67. Heading A2B. In a composition containing caffeine, for example a beverage or a food such as coffee, the stimulating effects of the caffeine are reduced by the addition of one or more of the compounds purine, xanthine, 1-methyl xanthine, 3-methyl xanthine, 7-methyl xanthine or theobromine, the compound being present in an amount in excess of that naturally present. Preferably a mixture of theobromine with one or more methyl xanthines is employed.
Patent GB-1449514-A (GB)
Title: Apparatus for the purification of process waste gases
IPC: F23G7/06
Filed: 1973-12-01
Abstract: 1449514 Purification of waste gases VOLVO FLYGMOTOR AB 1 Dec 1973 55789/73 Heading F4B A combustion apparatus for the purification of waste gases has an outer casing 1 with coaxial flame tube 6 and waste gas inlet 2 with fuel injection device 3 giving a support flame that can be quickly brought to expand over the whole cross section of the combustion chamber by holding means 5 around the injection device. Waste gas entering the inlet 2 will be forced through a flame curtain which will heat the gas to the temperature necessary to destroy impurities. Air from inlet 7 cools the flame tube by passing through the gap with the outer casing and into the flame tube via peripheral slots in the tube. Additional air from inlet 7 also passes through inlets 8 to cool injection device 3 and associated items, and is fed centrally into the combustion chamber for controlling the final temperature at outlet 10.
Patent GB-1248748-A (GB)
Title: Standing wave ratio indicators for radio frequency transmission lines
Inventor: MARTIN PETER GRAHAM
IPC: G01R27/06
Filed: 1968-11-26
Abstract: 1,248,748. Measuring standing wave ratio. P.G. MARTIN. Jan.30, 1970 [Nov. 26, 1968], No.56011/68. Heading G1U. A potential X from a potential divider R3, R4, and representing the potential of a point on a R.F. transmission line, is added R1 and subtracted R2 to a potential representing the current in the transmission line in such a way as to produce potentials ef and er representing the forward and reflected voltages on the line, which potentials are applied to diodes D3, D4, having a substantially logarithmic characteristic so as to produce a difference indication on a meter M1 of the logarithm of their ratio, from which the standing wave ratio can be computed - or the meter can be calibrated in terms of standing wave ratio.
Patent GB-1370364-A (GB)
Title: Aromatic polycarboxylic acids
IPC: C08G59/42
Filed: 1971-12-03
Abstract: 1370364 Aromatic polycarboxylic acids SUMITOMO CHEMICAL CO Ltd 3 Dec 1971 [5 Dec 1970 8 Dec 1970 17 Dec 1970] 56139/71 Heading C2C The invention comprises compounds of formula  wherein n 1  and n 2  are individually zero or an integer of up to 2, and n 1  + n 2  is 2 or more, m 1  and m 2  are individually 0, 1 or 2, and (n 1  + m 1 ) and (n 2  + m 2 ) each do not exceed 3, the substituted positions of the carboxyl groups are at the 3-, 4-, or 5-position of the individual phenyl groups, provided that, when m 1  and m 2  are individually zero, n 1  and n 2  are individually 0, 1 or 2 and at least one carboxyl group is substituted at 3-, 4- or 5-position of the individual phenyl groups; and R and R<SP>1</SP> represent a C 1-4  alkyl group. These compounds may be obtained by (a) oxidizing a polymethyldiphenyl carbonate of formula  wherein p 1  and p 2  are individually 0, 1, 2, or 3, p 1  + p 2  is 1 or 2, and at least two methyl groups are substituted at the 3-, 4- or 5-positions of the individual phenyl groups; or (b) reacting an aromatic hydroxycarboxylic acid of formula wherein q 1  is an integer of 1 or 2, q 2  is zero, 1 or 2, and at least one carboxyl group is substituted at the 3-, 4- or 5-position of the individual phenyl group when q 2  is zero, and the substituted positions of the carboxyl groups are at the 3-, 4- or 5-position of the individual phenyl group when q 2  is an integer of 1 or 2, with phosgene.
Patent GB-1186549-A (GB)
Title: Improvements relating to Demountable Partition Walls and Trim Elements therefor
Inventor: COOPER RICHARD ARTHUR
IPC: E04B2/76
Filed: 1967-12-12
Abstract: 1,186,549. Window frames; glazing; partition walls. R, A. COOPER. 12 Dec., 1967 [17 Dec., 1966], No. 56356/67. Headings E1J; E1R and E1W. In a demountable partition wall comprising panels 1 secured as by screws to a framework 2, 4 the vertical joints and upper and lower edges of the panels are concealed by retaining strips 39 having rib formations to resiliently receive cover strips 41 of channel section, the vertical cover strips extending beyond the edges of the vertical retaining members to abut the horizontal cover strips thereof. The members 39, 41 may be made of extruded aluminium and vinyl plastic respectively. The horizontal cover strips may be provided with a flanged extension to form a bridge or a skirting 44. Door and window framing may be incorporated in the wall as necessary and have rib formations to receive cover strips, see 5 (not shown).
Patent GB-1366488-A (GB)
Title: Cephalosporin compounds
IPC: C07D501/22
Filed: 1971-12-08
Abstract: 1366488 Cephalosporin derivatives TAKEDA YAKUHIN KOGYO KK 8 Dec 1971 [8 Dec 1970 23 March 1971 20 May 1971] 56978/71 Heading C2A The invention comprises compounds of general Formula III in which R represents a hydrogen atom or an acyl group which may be further substituted. A process for producing a compound of general Formula I or III comprises treating a compound of general Formula II wherein R is as defined above, with a divalent chromium compound. If a compound of general Formula III is produced by the above process, then this may be treated with an isomerization catalyst in order to give a compound of Formula I. Suitable catalysts include liquid aromatic or tertiary amines and adsorbent materials such as silica gel and alumina. Pharmaceutical compositions contain at least one of the compounds I or III in conjunction with a pharmaceutically acceptable carrier.
Patent GB-1123149-A (GB)
Title: Process for producing telomer of diene compounds
IPC: C07C17/275
Filed: 1966-12-20
Abstract: Diene telomers having terminal halogen atoms are obtained by telomerizing conjugated diene taxogens with telogens which are 1,4-adducts of the dienes with hydrogen halides, the reaction being effected using a telogen:  taxogen molar ratio of 0.1 to 2:1, in the presence of 0.001 to 2 moles of a Friedel-Crafts metal halide catalyst per mol. of taxogen, and a halogenated hydrocarbon solvent and at - 30 DEG  to 50 DEG  C.  The alkenyl halide used as the telogen may be obtained by reacting the diene with gaseous hydrogen halide, e.g. HCl or HBr, or a solution thereof. Specified catalysts are AlCl3, SnCl4, ZnCl2, AlBr3, SnBr4 and ZnBr2.  The telomers are useful as intermediates in the production of Vitamin E and Vitamin K and as "liquid rubber".
Patent GB-1150140-A (GB)
Title: Improvements in or relating to parallel-link suspension arrangements for toy vehicles.
Inventor: MULLER WERNER HERBERT
IPC: A63H29/04
Filed: 1967-12-20
Abstract: 1,150,140. Toy car suspension. W. H. MULLER. 20 Dec., 1967 [24 Dec., 1966], No. 47754/67. Heading A6S. A parallel link suspension arrangement for toy vehicles wherein the link member's (9) and (10) have their rest positions determined by a spring 11 which encloses two telescopically fitting members. The .wheels may be driven by a clockwork motor via a differential.