baber/WOPTO huggingface dataset:
Patent GB-1128324-A (GB)
Title: Disc brakes
Inventor: HODKINSON HAROLD
IPC: F16D55/227
Filed: 1964-11-04
Abstract: 1,128,324. Disc brakes. DUNLOP CO. Ltd. 28 Oct., 1965 [4 Nov., 1964], No. 44883/64. Heading F2E. In a floating-calliper disc brake, the calliper housing 15 is supported and guided for axial movement by a pair of guide rods 5, 6 and an associated pair of sleeves 27, 28, the latter being screwed on to threaded extensions of the rods which project through supporting bosses 3a, 4a of a mounting member 2 secured to an axle casing at one side of a disc 1, thus securing the rod and sleeve assemblies to the arms 3, 4 of the member 2. The housing 15 is supported on the sleeves 27, 28 by means of integral lugs 25, 26 and is supported on the rods 5, 6 at the opposite side of the disc through its connection with the backing plate 13 of the pad 8, the plate 13 having apertures 14 by which it is slidable on the rods 5, 6. A bridge piece 9 interconnects the ends of the rods 5, 6 remote from the member 2. A spigot (17, Figs. 2 and 3, not shown) is provided on the housing and engages an aperture in the backing plate 13 to connect it to the latter. The housing also includes an integral cylinder whose piston acts via a sleeve on the backing plate 12 of the pad 10, apertures 14 also being provided in the plate 12 by which it is slidable on the rods 5, 6. Automatic wear adjustment means of the friction type is incorporated in the piston and cylinder assembly.
Patent GB-1492466-A (GB)
Title: Recirculating sheet feeder for document copying
IPC: G03G21/00
Filed: 1975-10-30
Abstract: 1492466 Feeding and delivering sheets EASTMAN KODAK CO 30 Oct 1975 [13 Nov 1974] 44995/75 Heading B8R Documents to be copied are piled in a tray 52 with the face to be copied upwards, separated in succession from the bottom of the pile, and advanced along a closed loop path so as first to be placed copy-face downwards on the exposure platen of a photocopying machine and held stationary for copying, and then to be stacked on top of the pile with the copy-face upwards. Pile supports.-The documents S are supported on a ribbed base plate 56 between adjustable side walls 55, with their leading edges F against a front wall 58 and their rear edges R spaced from a rear wall 59. Sheet separator.-The bottom document is drawn against a suction separator roller 65 having one axial row of suction posts 66, and advanced into the nip between the roller 65 and driven rollers 68, the remaining documents being restrained by the wall 58, and the roller 65 is then moved in reverse to its initial position, this being possible because the rollers 68 engage rings extending round but rotatable with respect to the roller 65. Registering sheets.-A document on the platen 2 is held stationary for copying by two registration pads 73 on a bar 74 which is thereafter retracted by a solenoid. Conveying sheets.-Separated documents are advanced along a path comprising a guide 70, the platen 2 and a guide 78, and guides 80, 83, by means of driven rollers 68, 71, 72, 85. Stacking sheets.-Documents emerging from the guide 83 are guided by a finger 88 on to the pile in the tray 52, the pile being aligned by end and side joggers 60, 61, the former being faced with a fibrous plush material 89. A member 90 on a shaft 91 rests on the pile of uncopied documents, and the stack of copied documents rests on the member 90. When all the documents have been copied, the member 90 passes downwards through an opening 92 in the plate 56 and actuates a switch, whereupon either the procedure is repeated to make further copies or the stack is removed.
Patent GB-1103365-A (GB)
Title: Disposal of radioactive impurities
Inventor: NOBLE JOHN H
IPC: G21F9/12
Filed: 1966-10-07
Abstract: Radioactive ions are removed from aqueous effluents by a mixed bed of anion and cation exchangers. The bed is treated for reuse with two aqueous solutions of the chlorides, bromides and iodides of lithium, potassium or sodium.
Patent GB-1389228-A (GB)
Title: Apparatus for deriving sound signals from television receivers
IPC: H04N/
Filed: 1971-09-28
Abstract: 1389228 Radio receivers A J BURTON 7 March 1972 [28 Sept 1971] 45105/71 Heading H3Q Apparatus for deriving a high fidelity sound signal from a television receiver, comprises pick-up means to be placed in or near the television receiver and arranged to pick-up a signal from stray radiation, frequency modulated by audio information, emitted by the receiver, the pick having maximum sensitivity to electromagnetic or electrostatic fields at a frequency substantially equal to the difference between sound and vision carriers, means for amplifying the signal picked-up and applying them to a frequency discriminator. Coil L1, Fig. 2, which may be provided with a ferrite core 21 picks up the intercarrier sound modulated signal from the vicinity of the video detector, it is amplified in tuned amplifier 18, limited by limiter 19 and demodulated in discriminator 20. The coil may be tuned by means of a capacitor and connected to the amplifier by way of a balanced and screened transmission line coupled to the amplifier by means of a transformer (Fig. 4, not shown). The transformer T2, Fig. 5, may be centre-tapped, the tap being connected to the screening which is earthed via a capacitor C2. The signal may alternatively be picked-up by means of a dipole aerial (Fig. 3, not shown), which may be coupled to the amplifier via a screened and balanced transmission line and isolating transformer (Fig. 6, not shown).
Patent GB-1439085-A (GB)
Title: Apparatus for supplying seeds and the like to a seedling box
IPC: A01C7/00
Filed: 1974-10-17
Abstract: 1439085 Sowing seeds in boxes SUZUKI TANKO KK 17 Oct 1974 45123/74 Heading A1E Apparatus for delivering soil or seeds to a box comprises a hopper 3 having a dimpled discharge roller which is rotated by handle 6 and whose drive is transmitted to a conveyor roller 11 by a change speed arrangement such that the rate of soil or seed discharge can be varied with respect to the speed of box travel along the conveyer. The conveyer may be an endless belt or a series of driven and non- driven rollers. The change speed arrangement comprises half sheave pulleys 9, 11 which alter the effective diameter of belt 12.
Patent GB-1196447-A (GB)
Title: Laser Device
IPC: H01S3/121
Filed: 1967-10-04
Abstract: 1,196,447. Lasers. HITACHI Ltd. 4 Oct., 1967 [11 Oct., 1966], No. 45140/67. Heading H1C. In a Q-switch laser one of the optical cavity mirrors 1 is rotated about an axis 5 by motor 6 and also about axis 7 by micrometer screw 8 which abuts against mirror support 7<SP>1</SP>. The variation of the optical cavity length by the screw 8 enables the output to be tuned. Gas discharge tube 3 is pumped via electrodes 4 and is closed at its end opposite to mirror 1 by a plane or concave mirror 2. The output laser pulse is in the far infra-red or submillimetre region.
Patent GB-1492286-A (GB)
Title: Means of locking parts mounted on the rotor of a turbomachine
IPC: F01D5/30
Filed: 1975-10-31
Abstract: 1492286 Fixing rotor blades BBC BROWN BOVERI & CO Ltd 31 Oct 1975 [30 Jan 1975] 45431/75 Heading FIT Roots 5, e.g. of turbine or compressor blades 4, are mounted in generally axial slots 3 in a rotor 1 and locked by means engaging circumferential slots 2 in the rotor and recesses 11 in the roots, the locking means permitting removal of an individual root without removal of adjacent roots. In Fig. 1, each locking means comprises an element 8 having a projection 10 engaging a root recess 11 and a stepped surface 9 engaging a corresponding surface on a radially thinner element 6. The latter may or may not have a projection 10 engaging a root recess 11 and is held in a radially outward locked position by screw 7. Both elements 6, 8 have circumferential ridges engaging the under-cut of slot 2. An individual blade can be unlocked by loosening screw 7 so that element 6 can be moved radially inward enabling element 8 to be moved circumferentially to release projection 10 from recess 11. In a modification, Fig. 6a, each locking means is formed as a single element 18 which can be tilted into the position shown to disengage from the blade root 5. A spring-loaded plunger 17 or a  screw (7) Fig. 5, (not shown) normally urges each element 18 outwardly into the locked position.
Patent GB-1325073-A (GB)
Title: Combine harvester
IPC: A01F7/06
Filed: 1970-09-24
Abstract: 1325073 Axial flow combine harvester INTERNATIONAL HARVESTER CO 24 Sept 1970 [8 Oct 1969] 45533/70 Heading A1F An axial flow combine harvester as described in Specification 1193697 has a knife member 40 attached to at least one of the angled scoop portions 37 of impeller blades 33 to chop long, tough crop to assist its passage into the threshing cylinder 20. The cutting edge 41 of each knife member may cooperate with the cutting edge 44 of a further knife 43 which is bolted to end wall 29 near the lower edge 17 of the crop inlet opening 28. One or more knives 46 may also be provided and are attached to the leading faces of parts 34 of the impeller blades such that their cutting edges 47 cooperate with knife 43. The rotating knives 40 and 46 can be used alone or in combination with the stationary blade 43. One or more sets of rotating knives 40 and 46 can be used depending on the length of cut material desired.
Patent GB-1148133-A (GB)
Title: Process and arrangement for the heat-treatment of fanned ferro-magnetic wire in a lead bath
IPC: B21C47/26
Filed: 1967-10-06
Abstract: 1,148,133. Heat-treating wire. FELTEN & GUILLEAME CARLSWERK EISEN UND STAHL A.G. Oct.6, 1967 [Feb.18, 1967], No.45761/67. Heading C7N. Ferro-magnetic (e. g. steel) wire is treated by immersing it in fanned coils in molten lead and moving the coils through the lead or a conveyer while magnetically holding the wire beneath the lead surface in which it is buoyant. The conveyer may be an endless belt of a mesh or parallel chains or cables with electromagnets arranged below the upper section thereof.
Patent GB-1056933-A (GB)
Title: A novel process for the preparation of steroid compounds and the compounds thus prepared
IPC: C07J75/00
Filed: 1963-11-20
Abstract: Novel steroids bearing one or two hydroxy-hydroxymethyl groups of the formula [(OH).(CH2OH)] attached to a carbon atom or atoms in the A-ring or D-ring or the lateral chain attached to the D-ring are obtained by reacting a steroid bearing one or more non-conjugated keto groups attached to a carbon atom or atoms in the A-ring or D-ring or lateral chain attached to the D-ring, with dimethylsulphoxonium methylide to form the corresponding oxirane steroid which is then subjected to hydrolysis to yield the corresponding hydroxy - hydroxymethyl steroidal compound.  The dimethylsulphoxonium methylide reagent may be prepared in situ, e.g. by reaction of trimethylsulphoxonium iodide and sodium hydride. Hydrolysis is best effected in alkaline medium, e.g. sodium hydroxide.
Patent GB-459533-A (GB)
Abstract: 459,533. Ticket - printing machines. SIEMENS BROS. & CO., Ltd., Tothill Street, Westminster, and FORCEVIILLE, E. A., The Shieling, Kingsway, Petts-Wood, Kent. July 10, 1935, No. 19738. [Class 100 (iv)] [See also Group XIX] In a portable ticket-printing and issuing machine, which may have an independently movable finger knob A on the operating handle for setting the fare type drum 12, the operating handle rotates a crank-pin 21 to give a reciprocating movement to a pivoted arm 22 carrying a spindle 29 on which are pivoted the arms supporting the platen roller 34 and the inking roller 31, the cycle being such that (a) during the first half revolution of the crank-pin 21 the platen 34 is withdrawn from engagement with an ejection roller 44 and, as it is moved to the right, is pressed upwards by springs 38 against the type, the inking roller 31 preceding the platen, and (b) during its second half revolution the crank-pin 21 tilts the platen carriage 39 to bring the platen away from the type, thus freeing the ticket for ejection. During the phase (a) a lug 24 on the arm 22 moves a link 41 to rotate a toothed segment 40, a pinion 42, and a gear 43, which is coupled to the ejection roller 44 by a spring clutch 45 arranged to be effective only during phase (b). The segment 40 also moves a strap 51 to operate serial number drums 16, 9. The type is arranged to print transversely on the ticket, which on ejection is presented to the operator in a readable position. A claw 4 and spring 5 form a pivotal support for a ticket roll container. To enable the platen 34 to swing into parallel relationship with the type surface, one end of the platen is supported by one arm of a U-shaped bracket, both arms of which are pivoted coaxially with a single arm which lies adjacent the free arm of the U-shaped member and supports the other end of the platen, the said adjacent arms each having a projection to allow a limited movement between the two.
Patent GB-1522887-A (GB)
Title: Visual information media
IPC: G09F3/02
Filed: 1976-11-05
Abstract: A plastic film (5) applied to a carrier sheet (3) is roughened on one surface (7) and, after the application of the information characters (2), for example by hand or by means of a typewriter, onto this surface is covered by a transparent coating (6). The refractive index of the coating (6) is, in the dry state, equal to the refractive index of the material of the plastic film (5) so that the surface (7), made matt by the roughening, of the plastic film is invisible. <IMAGE>
Patent GB-1282009-A (GB)
Title: Metal-containing articles of jewellery
Inventor: VILLAT MARCEL
IPC: C22C32/00
Filed: 1969-09-18
Abstract: 1282009 Boride-containing article of jewellery M VILLAT and H U KLINGENBERG 18 Sept 1969 [20 Sept 1968] 46120/69 Heading C7A An article of jewellery (e.g. a ring, earring, chain, pendant, cufflink or watch case) is formed from a composition comprising 5-50% of a metal binder comprising at least 30% of one or more of Ag, Au, Cr and Ni the balance being one or more of B, Co, Cu, Bi, Fe, Mn, Mo, Sb and Sn, having dispersed therein 50-95% of at least one boride of a metal of Groups IVA, VA or VIA of the Periodic Table alone or mixed with at least one carbide, nitride or silicide of at least one of the metals.
Patent GB-1130755-A (GB)
Title: Improvements in and relating to gas heaters
Inventor: LAWSON MAURICE OLIN
IPC: F04D23/00
Filed: 1965-11-02
Abstract: 1,130,755. Heating gases by compression. ARVIN INDUSTRIES Inc. 2 Nov., 1965, No. 46446/65. Heading F4U. [Also in Division F1] Gases are heated by recirculation through a centrifugal, crossflow, or axial flow rotor. As illustrated in Fig. 5, the blades 19 of a centrifugal rotor draw gas into a housing 10 from an inlet 11, and recycle the gas as shown by arrows 16 around a toroidal member 15<SP>1</SP>. A butterfly valve 23 allows the discharge of a portion of the recycled gas. Stationary blades 20, 21 are provided on the member 15<SP>1</SP> on either side of the rotor blades. An annular valve 51 of U-section is moved by thermostats 53 to control the flow cross-section of the recirculation path. In the embodiment of Fig. 4, a cross-flow rotor 41 operates in a cylindrical housing 43 between an inlet 45 and an outlet 47. Starting blades 44 cause recirculation of a major portion of the gas from the rotor 41, the recirculation being controlled by a pivoted valve 48. In another embodiment, Fig. 3 (not shown), a circular array of axial flow rotor blades (33) is employed and recirculation occurs within a toroidal body (30) surrounding the blades.
Patent GB-1366871-A (GB)
Title: Perforated structures
IPC: F23D14/00
Filed: 1970-10-02
Abstract: 1366871 Gas and liquid fuel burners DUNLOP HOLDINGS Ltd 22 Sept 1971 [2 Oct 1970] 46861/70 Addition to 1325444 Heading F4T [Also in Division F1] A fluid distributer is of the type disclosed in Specification 1,325,444 and comprises spaced superimposed sheet members 11, 12, Fig. 1, defining a gallery 15 therebetween to which a first fluid is supplied under pressure and passes into passages passing through the gallery to entrain fluid which is around the structure to flow from one side of the structure to the other, the passages being defined by interfitting circular tubular projections 17, 18 on members 11, 12, the radially inner surface of the larger-diameter projections 18 having grooves 19 permitting fluid flow from said gallery 15 into said passages. A burner has a first such structure 24 forming a burner element supplied with pressurized liquid or gas at 25 to entrain gas or liquid flow through its passages, in particular fuel gas entrains air, and a second such structure 10 is supplied with pressurized air at 27. A support 20 maintains burner element 24 spaced above air distributer 10 and the pressurized air entrains further air to flow from openings 23 through the air distributer 10 and into and through the passages through the fuel gallery 26 of the burner element 24. Electromagnetic valves 28, 29, Fig. 2, control fuel gas and air flow, respectively, and are controlled by a bimetal sensor 32 sensing a pilot burner 31 flame which is supplied via normal valve 30. A mixture regulator 36 may be arranged to ensure that the difference between the fuel gas pressure and the air pressure is substantially independent of the pressure of air supplied to distributer 10 and determined by adjustable reducing valve 33. The regulator comprises a diaphragm 37 acted on by the air pressure in opposition to a spring to responsively control the gas flow by means of a plunger 41 engaging the stem 43 of a tilt valve 44 for the gas flow.
Patent GB-976795-A (GB)
Title: Method for the production of ª-isonitroso ketones
IPC: C07C/
Filed: 1962-12-12
Abstract: An a -isonitroso ketone is prepared by reacting an organic compound containing at least one reactive methyl or methylene group adjacent to a ketonic group with nitrosyl chloride, either in the liquid or gaseous form, the hydrogen chloride being removed from the reaction mixture as it is formed by reaction with a neutralizing agent which is inert to both the starting ketone and the nitroso ketone produced. Suitable neutralizing agents are organic and inorganic bases and their salts with organic and weak inorganic acids. The preferred neutralizing agent is calcium carbonate.  The neutralizing agent may be added with the nitrosyl chloride or it may be suspended as a solid in the ketone at the beginning of the reaction.  The reaction may be carried out at a temperature ranging from -15 DEG C. to +40 DEG C. Examples describe the preparation of isonitroso acetone from acetone, diacetyl monoxime from methyl ethyl ketone, and methyl-a -isonitroso-isobutyl ketone from methyl isobutyl ketone.
Patent GB-1420628-A (GB)
Title: Wired broadcasting systems
IPC: H04N7/173
Filed: 1972-10-11
Abstract: 1420628 Programme distribution systems COMMUNICATIONS PATENTS Ltd 28 Sept 1973 [11 Oct 1972] 46966/72 Heading H4R A wired distribution system includes three or more groups of programmes of which two or some respectively can be denied to subscribers. Two groups of subscribers may thereby have exclusive access to respective "conference" facilities. In the TV distribution exchange shown, marking levels of - 2, 0 and - 4 volts from marker 1 are combined with audio information 3a, 3b, 3c going out over channels A, B, C to programme selectors (not shown) remotely controlled, e.g. via dial pulses, by the subscribers. The levels 0 and - 4 volts relate to denied programmes. Pulses of 1 min. separation according to programme charge are derived 20, 21 from a pulse generator 15 and applied via selectors 23 to the A, B, C channels. The marking level is applied via the subscriber selectors to respective denial control units 4 (detailed Fig. 2, not shown) for comparison with the denial status set by a plugboard or by switches 16, 17 in a switch unit 10 for each subscriber If permitted access to the selected programme, the charge pulses fed to the subscriber and back over line 8 are registered in corresponding counters 27 whenever they coincide with a 1 sec. pulse from the generator 15 which also provides gated power over unit 14 and lines 12 to the denial units 4. If the subscriber is denied access, a relay (RLA) mutes the audio information and sets the subscriber's selector to a datum position. The subscriber equipment may be as in Specification 1,306,366. Privileged subscribers have a key-actuated control to permit selection of programmes denied to other subscribers. A meter in the subscriber's equipment may be set by insertion of coins appropriate to the programme charge rate and the credit progressively reduced by the charge pulses, eventually disabling programme reception when credit is exhausted. Alternatively debit charge meters may be located in the exchange.
Patent GB-1064829-A (GB)
Title: Olefin preparation
Inventor: TURNER LEONARD
IPC: C07C6/04
Filed: 1964-11-19
Abstract: Olefins are obtained by reacting two dissimilar olefins of the formulae R(R1)C = C(R2)R3 and R4(R5)C = C(R6)R7 in the presence of a olefin disproportionation catalyst, the R substituents being hydrogen, alkyl or aryl and not more than two of the groups R(R1)C, R3(R2)C, R4(R5)C and R7(R6)C being the same.  The primary products are R(R1)C = C(R5)R4 and = C(R6)R7 and R3(R2)C = C(R5)R4 and = C(R6)R7 but some isomerization may occur. Preferably one of the reactants is ethylene and the other an internal olefin, the products being 1-olefins.  Preferred catalysts are rhenium heptoxide on alumina used at - 20 DEG  to 500 DEG  C. and cobalt and molybdenum oxides on alumina, optionally containing alkali or alkaline earth metal ions, used at 80-280 DEG  C.  Also mentioned are supported molybdenum or tungsten carbonyls and tungsten oxide on alumina. Other conditions used are 0-2000 p.s.i.g. and times of 0.01 sec. to 120 minutes.
Patent GB-1105363-A (GB)
Title: Habitable vehicle
IPC: B60P3/34
Filed: 1965-11-05
Abstract: 1,105,363. Convertible vehicles. ETABLISSEMENTS BERTRAND FAURE. 5 Nov., 1965 [10 Nov., 1964], No. 47070/65. Heading B7B. A caravan has a rigid tubular central part 1 to which are pivotally secured end parts 2, 3 which can be moved to the horizontal position to increase the floor area. A collapsible canopy 19 may be moved to down partly or wholly to cover the end part. The end part preferably contains mattresses covered by pivoted floor parts.
Patent GB-1082160-A (GB)
Title: Improvements in processes for controlling reduction and melting operations in a blast furnace
IPC: C21B5/00
Filed: 1964-11-19
Abstract: Reduction and melting are controlled in a pig iron producing blast furnace by continuously analysing the composition of the top gas issuing from the furnace, preferably to determine the average percentage contents of CO, CO2, H2 and N2, and determining the composition and temperature of the blast blown in from the nozzles and optionally the composition of the charge to continuously calculate from these measurements, e.g. by means of an analytic digital computer, a value Wu of the energy released by the gas rising in the furnace less than expended in regenerating CO by the endo-thermic reaction CO2 + C = 2CO, correlating this value with the chemical composition, particularly the Si content, of the melt produced for a period preceding a chosen work cycle so as to reduce a regulating value Wr for the energy Wu valid for the work cycle period, and adjusting the composition and/or temperature of the blast in accordance with the value Wr. The composition of the blast is conveniently determined from its humidity.
Patent GB-1407407-A (GB)
Title: Manzfacture of razor blades
IPC: B26B21/54
Filed: 1971-10-09
Abstract: 1407407 Oxidizing Fe-Cr alloys for razor blades WILKINSON SWORD Ltd 20 Sept 1972 [9 Oct 1971] 47125/71 Heading C7U An alloy of Fe-Cr e.g. 81.15 per cent Fe, 13 per cent Cr, is oxidized in an atmosphere such that the Cr is oxidized in preference to Fe to a depth of 400 to 800A degrees to form a coloured razor blade or strip. The atmosphere may be a mixture of cracked ammonia with water vapour or methanol or mixtures of carbon monoxide and dioxide. The oxidation may take place during heat treatment at 750 to 1100‹C.