baber/WOPTO huggingface dataset:
Patent GB-1324335-A (GB)
Title: Magnetic head for a tape recorder
IPC: G11B5/187
Filed: 1970-09-11
Abstract: 1324335 Magnetic heads AKAI ELECTRIC CO Ltd 11 Sept 1970 [12 Sept 1969 29 Oct 1969 3 Nov 1969 4 Dec 1969 22 Dec 1969 6 Feb 1970] 43677/70 Heading G5R A magnetic tape head has pairs of polepieces 8a, 9a with an intervening screen 10a and wearresistant members 21, 22 all in a front section 5 attachable to a rear section 6 containing U- shaped yokes 8b, 9b. Further wear-resistant members 23-26 of transparent glass or plastics allow use of interference fringe techniques during lapping and aligning. The section 5 is stuck to a Be-Cu frame 7 screwed adjustably to the rear section 6 to facilitate adjustment of the magnetic characteristics. The section 6 includes a screen continuation 10b, and the completed head is potted in a screening can.
Patent GB-1433886-A (GB)
Title: Process for oxidising propylene to propylene oxide
IPC: B01J37/02
Filed: 1973-03-12
Abstract: 1433886 Propylene oxide ORDENA LENINA INST KHIM FIZIKI AKAD NAUK SSSR 12 March 1973 [15 March 1972 (2)] 43727/75 Divided out of 1433885 Heading C2C Propylene oxide is produced by oxidizing propylene with atmospheric oxygen in an organic solvent in the presence of a catalyst consisting of a carrier on which is deposited an oxide of a metal selected from scandium, yttrium, gallium, indium, thallium and rare earth elements of the lethanium group or a mixture of such an oxide with metallic silver and/or silver oxide.
Patent GB-1525594-A (GB)
Title: Transfer roller with stationary internal electrode
IPC: G03G15/16
Filed: 1975-10-24
Abstract: 1525594 Electrostatic transfer XEROX CORP 24 Oct 1975 [27 Jan 1975] 43766/75 Heading B6C A transfer roller 12 for an electrostatographic copier, comprises a rotatable shell 40 housing at least one non-rotatable, parallel, elongate electrode 32, 33 with a blade-like edge 32a, 32b extending the length of the roller 12. Tailored, localized fields are applied by the electrodes 32, 33, which may touch the shell 40, to the nip and post-nip regions 20, 30. Residual charge on shell 40 may be neutralized using an A.C. corotron or grounding brush.
Patent GB-1049220-A (GB)
Title: Process for cleaning rigid articles
IPC: C11D7/06
Filed: 1965-10-15
Abstract: The invention comprises a process for cleaning articles made from rigid material with the aid of a chlorinated hydrocarbon wherein the articles are treated with a mixture which contains water, ammonia or a substance that yields ammonia and oleic acid in addition to the chlorinated hydrocarbon.  The articles may be pretreated with a chlorinated hydrocarbon alone to remove fatty contaminants and any residual cleaning mixture that adheres to the surface of the articles may be removed by one or more after-treatments with a chlorinated hydrocarbon in either the liquid state or the vapour state.ALSO:A process for cleaning metal articles with the aid of a chlorinated hydrocarbon, comprises treating the article with a mixture which contains water, ammonia or a substance that yields ammonia, and oleio acid in addition to the chlorinated hydrocarbon. The articles may be pretreated with a chlorinated hydrocarbon alone to remove fatty contaminants and any residual cleaning mixture may be removed by one or more after treatments with a chlorinated hydrocarbon in either the liquid state or vapour state.
Patent GB-1482475-A (GB)
Title: Monochromator
IPC: F21V9/08
Filed: 1974-10-14
Abstract: 1482475 Mono-chromator PHILIPS  ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 14 Oct 1974 [17 Oct 1973] 44348/74 Heading G2J A mono-chromator comprises a dispersing system 25 and exit optics 28-32 which are fixed relative to the casing, the incident light being provided by one of a plurality of white light sources 5, 6 so arranged that each source produces a beam of light 19, 20 incident at its own respective angle on the dispersing system, each of which is different from the incidence angle of the other sources. The narrow band of mono-chromatic light emitted from the mono-chromator at 4 is therefore dependent on the identity of the lamp which has been lit. The lamps may be controlled by switches 8, 9 which may in turn be controlled by a sequence 10. The sources may be steady or pulsed. As shown the incident beams are collected by a semitransparent beam-splitter 21. The slits 11, 12 are chargeable to allow slit width selection, and the slit is incorporated into the relevant lampholder assembly, which assembly may be traversed slightly with respect to its window 2, 3, for adjustment. The mono-chromator may form part of a spectrophotometer.
Patent GB-1123067-A (GB)
Title: Improvements in electrical contact assemblies
Inventor: WILSON JOHN THOMAS
IPC: H01H1/42
Filed: 1965-10-21
Abstract: 1,123,067. Two-part couplings. ENGLISH ELECTRIC CO. Ltd. 19 Oct., 1966 [21 Oct., 1965], No. 44662/65. Heading H2E. [Also in Division H1] In a socket for a contact blade 11, opposed pairs of contact arms 1, 2 are retained on individual rods 6 passing through a troughshaped metal body 5, a spring 9 being located on each rod 6 between the arms 1 and 2 of each pair so that, on insertion of the blade 11, the arms swing outwardly about edges 12 of the body 5.
Patent GB-1166064-A (GB)
Title: Improvements in or relating to Digital Display Apparatus
Inventor: ELLEN LEONARD WILLIAM
IPC: H03M1/12
Filed: 1968-01-08
Abstract: 1,166,064. Digital display apparatus. H.M. POSTMASTER GENERAL. 8 Jan., 1968 [6 Oct., 1966], No. 44771/66. Heading G4H. To prevent errors in the displayed digital value of an unknown analogue quantity which is determined by counting a pulse train representing the value, the time interval for which the pulse train of a succeeding count is counted is varied in accordance with the state of a further, preferably binary, counting stage which when in its " 1 " state lengthens the time interval and when in its " 0 " state shortens it. In one embodiment (Fig. 1) a comparator 1 gives an output signal when equality occurs between the unknown signal on conductor 2 and an exponentially decreasing reference signal on lead 3 to close a gate 6 and so terminate the supply of clock pulses to the binary counting stage 8, the output from which controls the counter 9, 10, 11 and the bias added to the reference signal for the next count. The count in stages 9, 10, 11 is displayed using multicathode tubes. In a second embodiment, for measuring the frequency of an unknown signal a gate (22, Fig. 2, not shown) is held open for a time interval determined by the state of a binary counter (18, 19, 20, 21) fed with pulses at a reference frequency so that the unknown frequency is fed to a counter (25, 26, 27) via a bi-stable stage (24) the state of which also controls the lowest bit (18) of the binary counter to bias the time interval for the next frequency measurement. In a third embodiment (Fig. 3) in which the apparatus is used as a decibel meter the unknown signal is fed via a transformer 31, switched gained amplifiers 32, 33, 34, 35 and rectifier 27 to a comparator 38 where it is compared with an exponentially decreasing reference signal, an oscillator 42 feeding clock pulses via a binary stage 45 to a two decade binary coded decimal counter 43, 44 until equality between the comparator inputs occurs. The output of the binary stage 45 controls the bias signal fed to the reference signal. If the count registered exceeds a given number a circuit 50 receiving the output pulses of the lower decade stops binary stages 46, 49 controlling amplifiers 32-35 to vary the gain of the input signal. This is repeated until the input is within the required range, the binary stages also controlling a range counter 52 so that the range is displayed. The outputs of counters 43, 44 are fed via diode matrices (Fig. 10, not shown) and transistors to the cathodes of multi-cathode display tubes.
Patent GB-1214995-A (GB)
Title: Improvements in or relating to cartons
Inventor: BOWLER BERTRAM THOMAS
IPC: B65D5/68
Filed: 1966-12-13
Abstract: 1,214,995. Cartons. BOXFOLDIA Ltd. 12 Dec., 1967 [13 Dec., 1966; 3 Oct., 1967], Nos. 55753/66 and 44953/67. Heading B8P. A carton comprises a body portion, and a lid portion which is displaceable relative to the body portion between an open position and a closed position. The portions include tongues and openings which interengage when the lid portion is in its closed position so as to prevent movement of the lid portion to its open position, except by displacement of the lid portion and/or body portion adjacent the positions of interengagement between the tongues and their respective openings. As illustrated the body portion is formed from a single blank (Fig. 1, not shown) and includes side walls 11, 12. The side walls 11 have wings 13 integral therewith which are adhesively connected to portions 12a of the side walls 12. The tongues are formed by projections 19 on the wings and projections 17 on the side walls 12. Lines 14 permit the side walls 11 to be folded to overlie base wall 10. The lid portion (Fig. 4) is formed from a single blank (Fig. 3, not shown) in a manner similar to the body portion. The openings 25 for receiving the tongues are defined by projections 23a, 22b. A portion 26 of the lid portion is displaceable to a display position. In an alternative embodiment the lid and body portions are integral, the lid portion being hinged to the upper edge of a side wall of the body portion. The tongues and openings are only provided in two corners of the carton in this case.
Patent GB-1481465-A (GB)
Title: Thiazole derivatives and the production thereof
IPC: C07D277/36
Filed: 1974-10-17
Abstract: 1481465 Thiazoles SHIONOGI & CO Ltd 17 Oct 1974 [24 Oct 1973 29 Oct 1973] 45048/74 Heading C2C Novel thiazoles of the general formula wherein A is O, S, NH or NR 3 , R 3  being C 1-5  alkyl, C 2-5  alkenyl, C 3-5  alkynyl, C 3-6  cycloalkyl-C 1-5  alkyl or a -C 1-5  alkyl, R 1  is H, C 1-5  alkyl, C 2-5  alkenyl, C 3-5  alkynyl, C 3-6  cycloalkyl or a -C 1-5  alkyl, R 2  is OH, an ester residue or OM, M being an alkali metal or one equivalent of an alkaline earth metal or of a cupric or aluminium cation, n is 0 or 1, the thiazole ring may have 1 or 2 substituents selected from C 1-5  alkyl and halogen and the benzene ring may have 1 or 2 substituents selected from halogen, C 1-5 alkyl, C 1-5  alkoxy and trifluoromethyl, are prepared (a) by condensing either compounds of the general formulae or compounds of the general formulae wherein Hal is Cl, Br or I, Z is a group which can be converted to -COOH or -CHR 1 COOH by hydrolysis and the thiazole and benzene rings may be substituted as indicated above, followed, where necessary or desired, by hydrolysis ; (b) by cyanation of a halide of the general formula followed by hydrolysis and, optionally, esterification of the resulting nitrite of the general formula (the thiazole and benzene rings being optionally substituted as indicated above) (c) when R 1  is other than H and R 2  is OH, by reacting (1) the corresponding compound in which R 1  is H or (2) an appropriate α-substituted dialkyl malonate (obtained by reaction of a substituted acetic acid alkyl ester with diethyl carbonate) or (3) an appropriate alkyl α-substituted α-cyanoacetate (obtained by reaction of a substituted acetonitrile with diethyl carbonate) with R 1  - halogen, followed by hydrolysis with heating in the case of (2) or (3); and (d) when R 2  is OM, by salifying the corresponding compound in which R 2  is OH. Pharmaceutical compositions having analgesic, anti-inflammatory and anti-lipemia activity comprise, as active ingedient, a thiazole of the first general formula above, together with a pharamaceutically acceptable diluent, carrier or excipient.
Patent GB-1465069-A (GB)
Title: Mechanical seals
IPC: F16J15/34
Filed: 1973-09-26
Abstract: 1465069 Mechanical seals BURMAH ENG CO Ltd 24 July 1974 [26 Sept 1973] 45054/73 Heading F2B In an end face seal, the rear face of the rotary sealing member 3 abuts a stationary thrust bearing ring 12 and a slide guiding connection 5 with shaft 1 loses the axial motion of the latter, so that the contact pressure at the sealing interface, produced by spring 10, remains constant. The face materials of member 3 and ring 12 may be dissimilar and the interface is lubricated hydrodynamically by grooves 15 in the member 3 or block 12. Instead of a positive feed 16, member 3 could be formed externally with pumping screwthreads. An additional low pressure cooling circuit 17, 18 may be provided.
Patent GB-939007-A (GB)
Title: Bright gold electroplating
IPC: C25D3/62
Filed: 1961-12-15
Abstract: 939,007. Electro-plating with gold. SELREX CORPORATION. Dec. 15, 1961 [Jan. 24, 1961], No. 45060/61. Class 41. A solution for electro-plating gold contains potassium auricyanide, an alkali metal salt as conductor, and 25 mg. to 500 mg. per litre of silver ion, the solution containing substantially no free cyanide, except that developed in use. Preferably, a chelating agent is added to keep the free silver ion concentration low, e.g. E.D.T.A., pyridine diethyl ethanolamine, triethyltetramine, and eutidine. As conducting salts alkali metal phosphates, nitrates, sulphates, sulphamates, citrate, tartrate, lactate, may be used, or salts of benzene or naphthalene sulphonic acid. The pH value of the solution is maintained at 6.5 to 10. Small amounts of potassium-nickel (or cobalt) cyanide may be present.
Patent GB-1436865-A (GB)
Title: Method of producing a high strength concrete lifting device for bales
IPC: C04B22/00
Filed: 1973-09-27
Abstract: 1436865 High strength concrete JAPANESE NATIONAL RAILWAYS and DENKI KAGAKU KOGYO KK 27 Sept 1973 [27 Sept 1972] 45319/73 Heading C1H A high strength concrete is produced by blending 500-700 kg cement (e.g. Portland), 2-13 wt. per cent (based on the cement) of calcium - sulphoaluminate hydrate - forming mineral powders, water such that the water/ cement ratio is 18 : 100 to 35 : 100, and 0À3-5 wt. per cent (based on the cement) of at least one surfactant selected from sulphuric acid esters, polyhydric alcohols, condensates of naphthalene sulphonate and formalin, and ethylene oxide additives.
Patent GB-1438740-A (GB)
Title: Cooled poppet valves for internal  combustion engines
IPC: F01P3/14
Filed: 1974-10-22
Abstract: 1438740 Valve cooling SULZER BROS Ltd 22 Oct 1974 [31 Oct 1973] 45650/74 Heading F1B A poppet valve for an I.C. engine has a hollow interior containing a primary coolant 20, Fig. 1, which transfers heat from the valve disc 4 to the valve stem 5, the stem having a flow passage for a secondary coolant which removes the heat from the valve stem. The flow passage consists of helical grooves 21, 22 closed by a tube 24. Secondary coolant, e.g. oil from an inlet 12, enters grooves 22 via an annular chamber 14 in the valve guide 2 and passes into grooves 21 via a connecting passage 23, the coolant finally discharging to the exterior from the top of the valve guide. In a modification, Fig. 9 (not shown) the coolant discharges from ports (71) at the top of the valve stem. In another modification, Fig. 4 (not shown), the grooves are replaced by axially extending bores. In an alternative embodiment, Fig. 8, the flow passage is formed by coaxial tubes 43, 44, the primary coolant surrounding the outer tube. Secondary coolant enters through an inlet 47 and passes between the tubes to the interior of the inner tube via ports 46, and subsequently discharges via outlet 51. Improved cooling results since heat may also be conducted directly to the valve guide via stems 41.
Patent GB-1526987-A (GB)
Title: Rotary beam light curtain
IPC: G01V8/18
Filed: 1976-11-04
Abstract: 1526987 Light barriers ERWIN SICK GmbH OPTIK-ELEKTRONIK 4 Nov 1976 [11 Nov 1975] 45935/76 Heading G1A [Also in Division G4] In a light barrier Fig. 1 wherein an opening 18  is scanned by a beam from a transmitter/receiver 17 positioned at an edge, reflectors placed around the edges are constituted partly by retroreflectors 12; but where the incident beam angle exceeds the limiting angle for the retroreflectors 12, a portion of plane mirror 13 reflects the light on to retroreflectors placed along an edge perpendicular to that having the plane-mirror portion 13. Where the opening 18 Fig. 2 is of such an aspect ratio that part of the light reflected from the plane mirror 13 strikes the opposite edge, a second plane mirror 14 is provided. The retroreflectors 12, Fig. 4 may carry spaced non-reflective strips 15, and the light source may be a pulsed LED, to make the barrier more foolproof by introducing modulation frequencies. Further security may be provided by optical receivers (16), Fig. 5 (not shown) positioned e.g. at the corners of the opening.
Patent GB-1429087-A (GB)
Title: Hair setting
IPC: A61Q5/02
Filed: 1973-10-02
Abstract: 1429087 Hair setting PROCTER & GAMBLE CO 2 Oct 1973 [2 Oct 1972] 45975/ 73 Heading DIP A process for deforming hair which has been subjected to oxidising conditions, comprises contacting the hair with an aqueous solution containing at least 1% by weight of a chelating agent for metal ions and having a pH from 5 to 10, subjecting the moist hair to a longitudinal stress and thereafter drying the hair in the stressed configuration. The preferred chelating agents are alkali metal salts of nitrilo triacetic acid, ethylene diaimine tetracetic acid and mellitic acid. The chelator solution is preferably in contact with the hair for one to 30 minutes. The previous oxidation of the hair is preferably effected by the process of Specification 1429086, as is the subsequent application of the longitudinal stress. Alternatively the oxidation may be by sunlight or hydrogen peroxide. The chelating agent solution may be used as a rinse after shampooing the hair with an oxidant containing Shampoo. Compositions may be provided in kit form which comprise an individually packaged portion of an aqueous non-cationic shampoo composition, an individually packaged portion of a monopersulphate oxidant in an amount of at least 1% by weight of the shampoo, and an individually packaged portion of the chelating agent either in dry form or as an aqueous solution. The non-cationic shampoo may contain anionic, non-ionic and amphoteric detergents, e.g. alkyl (10-18C) benzene sulphates and sulphonates, alkyl (9-21C) glycerol ether sulphates and sulphonates, alkylated polyoxyethylenes and N-alkyl sarcosinates, and soaps. A buffer, e.g. carbonate-bicarbonate may maintain the shampoo pH in the preferred range of 7 to 9.5. Further components of the composition include thickeners such as carboxymethyl cellulose, silica gel and high molecular weight polyoxyethylenes. The process may be carried out at room temperatures or at elevated temperatures up to 150‹F.
Patent GB-1361008-A (GB)
Title: Self steering vehicles
IPC: G05D1/02
Filed: 1971-10-06
Abstract: 1361008 Automatic vehicle control ROBERT BOSCH GmbH 6 Oct 1971 [9 Oct 1970] 46376/71 Addition to 1342633 Heading B7H The automatically controlled vehicle of the parent Specification, which includes a device for detecting an obstacle and a control device which, when actuated by the detecting device, can effect a change in the direction of travel of the vehicle, is modified by providing a detecting device in the form of a feeler bar 12 which projects forwardly of the vehicle 10 and is displaceable from a forward position to a rearward position by engagement with an obstacle 19 in the vehicle path, the feeler bar 12 in its forward position serving to maintain . the steerable wheels 11 of the vehicle 10 in a position for vehicle movement in the direction of the longitudinal axis of the vehicle as shown, and in its rearward position serving to maintain the wheels 11 for movement of the vehicle normal to said axis. The feeler bar 12 is connected to a switch 14 and when the feeler bar 12 contacts an obstacle 19 the switch is moved from contact b to contact a thus causing motor 16 to rotate the wheels through 90 degrees. The vehicle then moves sideways until it clears the obstacle or traverses the width of the vehicle. When the feeler bar 12 is released the switch moves back to contact b and the wheels are returned to their original direction.
Patent GB-1152829-A (GB)
Title: Thermal Sensor
IPC: H02H5/04
Filed: 1966-10-18
Abstract: 1,152,829. Protective arrangements. TEXAS INSTRUMENTS Inc. 18 Oct., 1966 [21 Oct., 1965], No. 46564/66. Heading H2K. [Also in Division H1] A protective arrangement, e.g. for an induction motor, includes a temperature sensing device formed by first and second thermistors TH1, TH2 of relatively low thermal inertia and having a temperature coefficient of one kind, and by a third thermistor TH3 of relatively large thermal inertia and having a temperature coefficient of the opposite kind. The thermistors are interconnected so that with a slow rise in temperature the change in resistance of the third thermistor TH3 opposes that of the first thermistor TH1 and operation is determined substantially by the change of resistance of the second thermistor. With a rapid rise in temperature, the change of resistance of the first thermistor is not immediately opposed by that of the third thermistor so that a more rapid operation is effected to prevent " overshoot." In Fig. 6 the temperature sensing device X1 is connected in a voltage divider X1, R3, R2 across the secondary winding 19 of a transformer T1 and normally has a low resistance so that the voltage divider reverse biases the base emitter junction of a transistor Q2. The transistor Q2 is non-conducting and the current through a resistor R1 triggers a silicon controlled rectifier Q1 so that a relay RY is energized to change over contacts RYA to energize a main contactor (not shown) and to connect the resistor R2 into the voltage divider to increase the operating differential. When overheating occurs so that the resistance of the device X1 becomes high in relation to that of resistors R2 R3, the transistor Q2 conducts to divert the current through resistor R1 away from the gate of the rectifier Q1  which ceases to conduct, the relay being de-energized.
Patent GB-1200462-A (GB)
Title: Liquid cleaning composition for drains and double-action process for cleaning drains
IPC: C11D1/72
Filed: 1967-10-13
Abstract: 1,200,462. Liquid cleaning composition for drains. DRACKETT CO. 13 Oct., 1967 [17 Oct., 1966], No. 46924/67. Heading C5D. A liquid cleaning composition for drains comprises at least 95% by wt. of a chlorinated hydrocarbon solvent exemplified by carbon tetrachloride, 1,2 - dichloroethane, 1,1,1 - trichloroethane, trichloroethylene, tetrachloroethylene, orthodichlorobenzene, 1,2-dichloropropane, 1,1,2 - trichloroethane, 1,1,2,2 - tetrachloroethane, pentachloroethane and hexachloroethane and from 0À001 to 5À0% by wt. of a surfactant having an average ethylene oxide content of from 60 to 90% by wt.
Patent GB-1211549-A (GB)
Title: Apparatus and method for forming a stack of sheets
IPC: B31D3/02
Filed: 1967-10-19
Abstract: 1,211,549. Honeycomb laminate. HEXCEL CORP. 19 Oct., 1967 [19 Oct., 1966], No. 47675/67. Heading B5N. [Also in Division B8] A honeycomb structure is produced by stacking flexible sheets so that transverse glue lines, carried on one face of each sheet, are aligned with respect to alternate sheets in the stack, Fig. 3, and then expanding the stack so that adjacent sheets remain interconnected at the glue lines thereby forming the honeycomb cell boundaries. An alternative embodiment provides alternate sheets with glue lines on both faces, while the intervening sheets have no glue lines. In Fig. 1 (not shown), this latter arrangement is obtained by feeding one web, with glue lines on both faces, and a second, plain, web to associating apparatus, before cutting the two webs simultaneously and feeding the thusobtained sheets to the stack.
Patent GB-1473265-A (GB)
Title: Ester of 3-pyridylmethanol
IPC: A61P3/06
Filed: 1975-11-19
Abstract: 1473265 3 - Pyridylmethyl 2 - [4 - (41- chlorophenoxy)phenoxy]propionate POLI INDUSTRIA CHIMICA SpA 19 Nov 1975 [20 Nov 1974] 47709/75 Heading C2C The invention comprises the title compound, which in examples is prepared by acid chloride/  alcohol reaction, transesterification or acid/ pyridylmethyl chloride reaction. Therapeutic compositions comprise as active ingredient this compound, which has hypolipemic and hypocholesteremic activity.