baber/WOPTO huggingface dataset:
Patent GB-963926-A (GB)
Title: Improvements in or relating to magnetic tape recording and reproducing apparatus
Inventor: GWILLIM DAVID THOMAS
IPC: G11B15/38
Filed: 1961-12-27
Abstract: 963,926. Tape feeding apparatus. DECCA Ltd. Dec. 19, 1962 [Dec. 27, 1961], No. 46333/61. Heading G5R. A magnetic tape spool capstan draws tape off a spool and feeds it either directly to a tape drive capstan or into a reservoir and comprises a hollow rotatable apertured capstan member over which the tape runs and an apertured fixed internal member connected to a vacuum source to provide tape tensioning. Such a capstan is utilized in the tape handling unit shown in Fig. 1. Two tape spools 10 and 11 are provided, the tape 12 passing from spool 10 over a tape spool capstan 13 into a reservoir 14 and over a tape drive capstan 15 and tensioning block 16 past recording head 17 and being similarly led from head 17 to spool 11. The tape reservoirs 14 and 20 are provided so that the tape spools 10 and 11 need not be rapidly accelerated or decelerated. The amount of tape in the reservoirs, see Specification 963,927 is measured by photo-electric means 25 and 26 which control servomotors 23 and 24 respectively to drive the spools in accordance with the amount of tape in the reservoir. The servomotors also drive the capstans 13 and 21 at suitable speeds to provide an even tape flow despite the changing diameter of the tape on the spools. The capstan 21 is shown in detail in Fig. 5. It comprises a cylindrical capstan member 39 which is driven by a pulley (not shown) and contains apertures 40 extending radially from the inner surface of 39 into grooves 41 extending transversely across the surface of the capstan. A stator 42 arranged inside the capstan is connected to a vacuum source and thence vacuum is applied to chamber 44. The chamber 44 extends around the inside of the capstan for that part over which the tape passes when it is being passed direct from the spool to the tape drive capstan e.g. in fast winding of the tape from one spool to another. When the tape is passing into and out of the reservoir, however, the capstan member 39 is rotating to provide the necessary drive and the tape requires to be held down over a larger surface area of the capstan. To this end a duct 45 is provided leading from chamber 44 to a point on the inner surface of member 39 inside that part of the periphery over which the tape passes when being fed to the reservoir. Specification 909,347 also is referred to.
Patent GB-982411-A (GB)
Title: Collapsible tent frame
IPC: E04H15/48
Filed: 1961-12-27
Abstract: 982,411. Tents. K. H. KLAHOLD, and F. SCHAEFER. Dec. 27, 1961, No. 46341/61. Heading E1A. A folding tent frame comprises tresses each consisting of two rafters 3, 4 and two uprights 1 articulatedly inter-connected and lockable in the operative position by securing means, the tresses being inter-connected by purlins and in the hinged-open position being locked at the articulations at the eaves and at the ridge. Each upright 1, Fig. 4, is locked to a rafter 3 by a spring-loaded hook 8 pivoted, as is the rafter 3, to plate 5 riveted to the upright 1. The rafter 3 is also pivoted to plates 13 rivited to the rafter 4 and is locked thereto by a spring-loaded pawl 16, Fig. 3. The plates 5 are provided with apertures 26, 27 to receive the portions which are locked in position when rotated through 90 degrees. Bracing elements articulated to the purlins may also be employed for locking engagement with the uprights, see Figs. 8 and 9 (not shown).
Patent GB-1474780-A (GB)
Title: Leather belts or aprons for textile machines
IPC: D01G23/00
Filed: 1974-10-29
Abstract: 1474780 Conveyer belt construction BROOKSBANK 27 Oct 1975 [29 Oct 1974] 46689/74 Heading B8A [Also in Divisions D1] To produce a thinner than normal conveyer belt for textile machines the natural inner or flesh surface is retained substantially intact by removing the grain grain surface and then subjecting the intermediate surface exposed to mechanized treatment by setting and/or rolling to compact the surface fibres and impregnating the surface with a polymeric material to consolidate the intermediate surface and produce a belt with a smooth flexible non tacky surface. Three examples of suitable treatment solutions are given.
Patent GB-1216353-A (GB)
Title: A foodstuff for young animals
IPC: A23K1/18
Filed: 1968-10-02
Abstract: 1,216,353. Animal feed. EWOS A.B. 2 Oct., 1968 [24 Oct., 1967], No. 46733/68. Heading A2B. A foodstuff for young animals, which may replace milk, comprises defatted fish protein having a particle size below 420 microns, preferably in an amount up to 55 wt. per cent. the remainder of the food comprising animal fat, lactose, for example as whey, glucose, vitamins, and mineral salts. The food may be in suspension in a liquid, for example water.
Patent GB-1096809-A (GB)
Title: Shallow-draught vessel
Inventor: OSKOLSKY ASAF ALEXANDROVICH
IPC: B63B1/04
Filed: 1966-10-19
Abstract: 1,096,809. Shallow draught vessels. TSENTRALNOE TEKHNIKO - KONSTRUKTORSKOE BJURO MINISTERSTVA RECHNOGO FLOTA RSFSR. Oct. 19, 1966, No. 46741/66. Heading B7A. A shallow-draught vessel has its bottom made concave in the bow section (Fig. 3), while its stern section (Fig. 6) is made approximately flat, the bottom having keel-shaped lines amidships (Figs. 4 and 5) which smoothly continue into concave lines in the bow section and into flat lines in the stern section.
Patent GB-1279103-A (GB)
Title: Pid-controllers
Inventor: BAYOUMI MOHAMED
IPC: G05B11/42
Filed: 1969-09-26
Abstract: 1279103 Automatic control LANDIS & GYR A G 26 Sept 1969 [30 Sept 1968] 47549/69 Heading G3R In an error-actuated closed-loop air-conditioning control system an error signal is applied both directly, and through a differentiator and a variable gain amplifier in cascade, to a PI controller. In Fig. 1, a signal X, corresponding to the value of a variable to be automatically controlled, is compared at 5 with a signal Rcorresponding to a desired value so that any error exceeding a predetermined value is effective through a three-point PD controller 12 and an integrator 4 to control the variable. The error signal 8 is combined at 7 with the error signal applied through a delay unit 6 to produce a differential control term which is added to the input of controller 12. The gain of an amplifier 3 is adjustable to an optimum value by an adjuster which, when the gain is a minimum, varies the gain of a feedback amplifier 15. In a modification, controller 12 is replaced by a two-point controller associated with a differentiator similar to unit 2.
Patent GB-1197517-A (GB)
Title: Improvements in or relating to Reel-Fed Rotary Printing Presses
IPC: B41F31/00
Filed: 1967-10-19
Abstract: 1,197,517. Inking-apparatus. SCHNELLPRESSENFABRIK FRANKENTHAL ALBERT & CIE A.G. 19 Oct., 1967 [21 Oct., 1966], No. 47555/67. Heading B6C. Inking-apparatus including a ductor roller mounted on a shaft 15 and an inking roller mounted on a shaft 1 is provided with an electric motor 7 which is not energized in normal running during which the motor shaft 8 merely transmits the forces from a main drive, not shown, to a gear-wheel 9 and a belt pulley 10, but is adapted, when the main drive is disconnected at a magnetic clutch 6, to rotate either of the said rollers or both the inking roller and the ductor roller. The belt pulley 10 is connected to the shaft 15 via a belt 11, a further pulley 12, a variable speed gear-box 14, and a clutch 18, 19. The gear-wheel 9, which is integral with the pulley 10, is connected to a gear-wheel 24 on the shaft 1 by gear-wheels 21 and 23 and a magnetic clutch 26. The motor 7 may be energized when it is required to wash the ductor roller or to allow the ink to run in.
Patent GB-1063109-A (GB)
Title: Improvements in or relating to photographic objectives
IPC: G03B3/00
Filed: 1963-12-06
Abstract: 1,063,109. Variable focus lens mounts. CARL ZEISS-STIFTUNG, [trading as CARL ZEISS] Dec.6, 1963 [Dec.7, 1962], No. 48317/63. Heading G2J. In a variable focus objective, especially for mirror reflex cameras, the lens mounting 2 is connected to a cylinder 7 which is slidable along the optic axis 6 inside a sleeve 1, the sleeve being fixed to the camera. A handle 9 is detachably mounted on a ring 8 connected to the cylinder 7 so that the focus can be adjusted by gripping the handle 9 and using the thumb to cause relative rotation and thus axial movement between the sleeve 1 and the cylinder 7. The handle 9may be replaced by a tripod. A range setting ring (29) Fig. 5 (not shown) is connected by a spindle (23) to a pinion (21) which co-operates with a rack (20) on the cylinder 7. The case or difficulty of moving the cylinder 7 may be controlled by adjusting the friction in the range setting device by means of a knob (35).
Patent GB-1188075-A (GB)
Title: Closure for Bottles
IPC: B65D41/48
Filed: 1968-10-11
Abstract: 1,188,075. Bottle closures. ANGELO GUALA DI PIERGIACOMO E. ROBERTO GUALA & C.S.A.S. 11 Oct., 1968 [16 Oct., 1967], No. 48338/68. Heading B8T. In a plastics closure for a bottle a tear-strip 36 connects a plug-cap 31 and a retaining collar 37, and a metallic strip 39 encircles the retaining collar to prevent removal of the collar from the bottle.
Patent GB-1410934-A (GB)
Title: Arrangement for automatically regulating the orientation of  the headlamps of a vehicle
IPC: B60Q1/105
Filed: 1972-10-24
Abstract: 1410934 Controlling vehicle headlamps CIBIE PROJECTEURS 24 Oct 1972 [12 Nov 1971] 48872/72 Heading F4R An hydraulic arrangement for automatically regulating the orientation of vehicle headlamps comprises front and rear mechanical transmission systems 3, 1, each system detecting respective relative vehicle body movements and translating such movements via respective levers L3, L1, variable volume chambers 3c, 1c and hydraulic outlets 3e, 1e to a transducer relay 5 serving to actuate at least one headlamp P, wherein each hydraulic outlet 3c, 1c is directly connected by a respective independent line 103, 101 to the same variable volume chamber 5b of the transducer relay 5. Preferably adjustable jets g are provided at the inlet and outlet of each connecting line 103, 101. The transmitters 1 and 3 are basically similar and comprise a linkage arrangement 8-11 connected to a control lever L1 which pivots about support S1 and varies the volume in chamber 1c through slide 1g, membrane 1d and spring 1h. The relay 5 has two chambers 5b, 5c delimited by flexible membranes 5d, 5e between which is a piston 5f connected by a rod 5g to control rod 16 of headlamp P1. The control unit 7 for the second headlamp P2 is connected to the chamber 5c by a line 6. The adjustable jets g in the connecting lines 101, 103 assist the damping of unwanted oscillations in the system.
Patent GB-1449359-A (GB)
Title: Adapter for testing printed circuit plates
IPC: H01R12/50
Filed: 1974-11-19
Abstract: 1449359 Two-part couplings INTERNATIONAL STANDARD ELECTRIC CORP 19 Nov 1974 [28 Nov 1973] 50096/74 Heading H2E An adapter for testing a printed circuit board comprises a plug-in section 1 with terminals 4 corresponding exactly to those of the p.c.b to be tested and a holder section 2 joined by a pivot 3 to section 1, the holder terminals 5 for receiving the p.c.b. The terminals 4 and 5 are connected by leads 6, which form either a cable of stranded strip conductors or a tape cable of flat conductors, and a plug member 7 which comprises two terminals connected by a shorting plug. This shorting plug may be removed to measure voltages betweeen leads, to add components such as resistors, diodes &c. or to apply extraneous voltages. The adapter permits the testing of a p.c.b under operating conditions where it may be in a rack of boards. To facilitate access to any component of the board a spring 8 is provided which may lock the holder 2 in any one of from three to five positions with respect to the section 1. If several boards close together are to be tested simultaneously, the holders may be locked in a fan-like arrangement.
Patent GB-1157953-A (GB)
Title: Dispensing Viscous Fluids
Inventor: BATTY WILLIAM JAMES
IPC: B29C31/02
Filed: 1965-11-26
Abstract: 1,157,953. Dispensing liquids by gaseous pressure. SPERRY RAND Ltd. Nov. 25, 1966 [Nov. 26, 1965], No. 50259/65. Heading F1R. A dispender, e.g. for trickle feeding an insulating resin on to eclectrical windings, comprises a transparent cylinder 11 detachably connected  to a head member 18 incorporating a compressed air connection and an adjustable diaphragm exhaust valve 20, the valve being adjusted manually or by a solenoid, Figs. 2 and 3(not shown), such that when the valve is fully open, asuction effect is produced in cylinder 11 to draw air through outlet nozzle 16 to mix the resin and hardener contents of the cylinder, and when the valve is partially closed,the compressed air supply discharges the  resin-hardener mixture through nozzle 16. The  nozzle is mounted by a rubber tube 15 and is of glass with a fine bore, such that no appreciable flow of resin occurs under gravity. Discharge is stopped by opening valve 20 and excess resin can be drawn back into the cylinder. An antisplash shield 23 protects the air pening. In the embodiment of Figs. 2 and 3 (not shown) an adjustable air bleed control the rate of discharge and cylinder 11 has of heat shield. The cylinder is cleaned after use by partly filling it with solvent and drawing air through the outlet nozzle to agitate the solvent. The dispenser may be incorporated in an insulating machine, and its operation synchronized with that of the machine. A mixture of resin, hardener and filler also may be dispensed.
Patent GB-1378385-A (GB)
Title: Purification of hydrocarbons
IPC: C07C7/04
Filed: 1971-10-29
Abstract: 1378385 Butadiene IMPERIAL CHEMICAL INDUSTRIES Ltd 5 Oct 1972 [29 Oct 1971] 50355/71 Heading C5E Butadiene is obtained by a process comprising (a) distilling a hydrocarbon stream to produce a C 4 -fraction containing C 3  and/or C 5  impurities; (b) extracting the C 4 -fraction with a selective solvent to produce an extract containing butadiene and at least part of C 3  and/or C 5  hydrocarbons; (c) distilling the extract to produce substantially pure butadiene and a mixture of butadiene with the C 3  and/or C 5  impurities; and (d) recycling the mixture of butadiene and C 3  and/or C 5  hydrocarbons to distillation stage (a). The first stage may comprise two stills, the first to remove most of the C 3  hydrocarbons and the second to remove most of the C 5  and C 5+  hydrocarbons. The solvent in (b) may be acetonitrile, DMF, dimethylacetamide, furfural or, preferably, NMP. A methyl-acetylene-butadiene mixture is obtained as overhead from (c) and may be partly recycled to (c) and partly recycled to (a).
Patent GB-1451905-A (GB)
Title: Industive position measurement apparatus
IPC: G01D5/22
Filed: 1973-10-30
Abstract: 1451905 Inductive position measurement apparatus KOMBINAT MESS-UND REGELUNGSTECHNIK VEB 30 Oct 1973 [8 Nov 1972] 50398/73 Heading GIN The apparatus comprises oscillator means including transistors 9, 10, capacitors 21, 22 and control windings 3, 4, 7, 8 supplying A.C. to operating windings 1, 5 whose inductance is changed in opposite senses by a movable armature, a phase-sensitive rectifier circuit, comprising resistors 15, 16 in series, their junction M being one of a pair of output terminals, their other ends being connected to rectifiers 23, 24 each connected to a respective winding 1, 5 and directing current through resistors 15, 16 in the same sense, a pair of capacitors 19, 20 joined to these rectifier/ resistance junctions, their other ends being joined to the other, P, of the output terminals which deliver a voltage indicative of armature position D.C. is supplied between N and P. Windings 1, 5 may be in series with operating windings 2, 6 respectively. To avoid changes of frequency due to temperature or supply voltage changes N 4 +N 3 /N 1 +N 2 =“, where N 1  to N 4  are the number of turns of windings 1-4 and R 11 /R 12  = 1À4. The voltage between A and B does not alter, so that the rectifier current is constant. If 15 and 16 are replaced by a potentiometer the potential of the sliding contact which acts as M may, by its adjustment, be made positive or negative with respect to P.  In the embodiment of Fig.2 electrically additive secondary windings 31, 32 are used to feed rectifiers 25, 26 connected to condensers 27, 28 and resistors 29, 30 forming a similar output circuit to Fig.1. In a modification, Fig.3 (not shown), windings 31 and 32 are not connected to each other but the ends of each are connected across a bridge rectifier circuit of which the negative output terminal of one and the positive output terminal of the other are connected to 27, 28, 29, 30 connected as Fig.2 and their other output terminals are joined together and to the junction of 29 and 30. The circuit of Fig.1 is disposed symmetrically between annular circuit boards 38, Fig.4. Between sleeve 37, of steel or soft magnetic material, with flanges for core-mountings e.g. sleeve-, spring- or ball-bearings or springs, and coil former 33 is the return magnetic flux and winding spaces 34 with windings 2, 5, 4 and 7 and 35 with windings 1, 6, 3 and 8. Cores may be of ferrite, soft magnetic material or steel or of non-magnetic material with magnetic material at both ends joined to it by screwed rod and may be situated transversely or longitudinally.
Patent GB-1313288-A (GB)
Title: Compact rolling bearing assembly
IPC: F16C19/54
Filed: 1971-10-29
Abstract: 1313288 Bearings W SCHAEFFLER and G SCHAEFFLER 29 Oct 1971 [4 Nov 1970] 50472/71 Heading F2A A bearing assembly comprises a radial roller bearing having a thin walled drawn outer race 3 and a solid inner race 6 having on one side a flange 7 extending into the radially outer zone of the radial bearing, the flange forming one raceway 8 of an axial roller bearing. At least one rim of the race ring 3 may be turned over after the rollers 1 have been introduced. Alternatively, the rollers are retained by a snap ring, which may be formed as a seal.
Patent GB-1033950-A (GB)
Title: Control mechanism for motor vehicles
IPC: B60W30/18
Filed: 1963-12-21
Abstract: 1,033,950. Brakes. D. MILLER. Dec. 17, 1964 [Dec. 21, 1963], No. 50592/63. Heading F2E. [Also in Division B7] Hand-operable controls for a disabled driver include a hand lever 10 which is connected to the brake pedal 19 of a motor vehicle by a linkage including a spring-loaded toggle arrangement for sustaining brake application once the toggle has been over-centred by full application of the brake. The hand lever 10 is secured to a spindle 13 carrying an arm 14 coupled by an adjustable rod 21 incorporating a telescopic portion 22 compressible against a spring 23 to an arm 20 on a spindle 16 connected by an arm 18 to the brake pedal 19. Upon full application of the brake by the lever 10 the spring 23 is compressed as the joint between the arm 14 and the rod 21 passes overcentre and expands to retain the brake full on.
Patent GB-1094217-A (GB)
Title: Improvements in and relating to curing
IPC: C14C1/02
Filed: 1964-12-14
Abstract: A composition for curing hides, skins or pelts, hereinafter referred to as hides, comprises sodium chloride and one or more than one organotin compound having the general formula: <FORM:1094217/C6-C7/1> in which each of the R1, R2, R3 and R4 residues represents an alkyl (e.g. ethyl, propyl or butyl) aryl or aralkyl group, one or two of which groups, in any one molecule, may each be replaced by an organic or organo-tin group, which is not linked to the central tin atom via a carbon atom.  Specified organo-tin compounds are:- tri-n-butyl tin acetate, benzoate or salicylate, dibutyl tin succinate, triethyl tin laurate, bis-(tributyl tin) oxide, bis-(triethyl tin) sulphide, octyl tin trihexoate, tribenzyl phenyl tin, triethyl tin phenoxide, tri-isopropyl tin pentachlorophenolate and tri-n-butyl tin salicylpolyglycol ether.  The curing composition may also comprise hexamethylene tetramine, an alkylphenyl polyglycol ether, a reducing agent, such as sodium nitrite, sulphur dioxides, formaldehyde, sodium bisulphite or ascorbic acid or benzene sulphinic acid.  Soda, sodium sulphate naphthalene or mineral oil may be included in the composition. The curing composition may be in the form of a powder. The amount of sodium chloride used, e.g. common salt, rock salt or sea salt, may be half the weight of the hides.  The curing composition may contain between 0.003 and 10% of the organotin compound or compounds, between 0.009 and 30% of hexamethylene tetramine, and between 0.3 and 1% of the reducing agent, computed on the weight of sodium chloride.  In curing salted calfskins, they are rinsed with an aqueous solution of the ingredients of the composition excepting sodium chloride, and then lightly salted with common salt.
Patent GB-1096584-A (GB)
Title: Improvements in or relating to a method of growing oxide crystals
IPC: C30B25/02
Filed: 1964-12-16
Abstract: A method of growing a crystal of an oxide of a metal selected from aluminium, titanium, silicon, chromium, nickel, magnesium, zirconium, beryllium, niobium and lead comprises introducing into a chamber a crystalline seed of the same metal oxide as the desired metal oxide and thereafter simultaneously passing into the chamber a gaseous halide of the metal, e.g. the chloride, hydrogen gas, and carbon dioxide gas, and maintaining the temperature and pressure within the chamber at values sufficient for the gases therein to react and to form with and upon the seed the desired crystal product.  The process is described with reference to the production of single crystals using a single-crystal seed, and the production of a polycrystalline product using a polycrystalline seed, wherein the term "polycrystalline" means a solid crystalline product which does not have fibres protruding therefrom and is a conglomerated aggregate of single crystals. Carbon monoxide and/or argon gas may also be fed to the chamber to control the rate of reaction. The gaseous metal halide is preferably prepared by passing halogen gas over the metal, e.g. by passing gaseous chlorine over aluminium of 99.999% purity.  Argon gas may be mixed with the halide before passage to the reaction chamber. The reaction chamber is preferably a furnace maintained at a temperature of at least 1500 DEG  C. and a pressure of 1 to 50 torr. The ratio by volume of hydrogen and carbon dioxide gases passed to the chamber is preferably 4:1. When the crystal has grown to a desired size the flow of gases is discontinued and the chamber flushed with an inert gas to restore it to near atmospheric pressure. The process is described particularly with reference to the production of ruby, sapphire and silica crystals. In the production of ruby crystals chromium chloride gas is passed into the chamber with the aluminium chloride such that 400 to 10,000 p.p.m. of chromium are incorporated into the crystal lattice.
Patent GB-1134280-A (GB)
Title: Navel orange juice concentrate and process for its preparation
Inventor: HANSON JAMES
IPC: A23L2/08
Filed: 1967-11-10
Abstract: 1,134,280. Navel orange-juice concentrate. SALADA FOODS Ltd. Nov.10, 1967, No.51337/67. Heading C6E. A process for manufacturing a non-bitter orange juice concentrate from navel oranges comprises removing the navel from a batch of navel oranges, squeezing to separate the juice from the peel, screening the juice to remove the bulk of the fibres, adding an enzyme high in pectinesterase activity and low in pectin polygalacturonase activity, heating to effect hydrolyzation of the contained pectic acid without separation of the insoluble solids and to effect debittering of the juice, and concentrating the resultant juice. According to the preferred procedure, the juice is screened through openings 0À025 inch in diameter, the screened juice is heated at a temperature of 120‹ F. for one hour with one gram of enzyme added per gallon of juice, the treated juice is concentrated under a low vacuum at a temperature of 75‹ F. to produce a juice concentrate of at least 72 degrees Brix and the concentrated juice is stored at 0‹ F.