baber/WOPTO huggingface dataset:
Patent GB-1138104-A (GB)
Title: Improved security container
IPC: E05G1/14
Filed: 1967-05-31
Abstract: 1,138,104. Devices for marking contents of safe, safes. K. S. WARREN [L. J. FISHER]. 31 May, 1967, No. 25179/67. Headings E1A and E2X. A container 10 for valuables 20 includes a storage compartment 22 and a reservoir 36, 38 of a marking agent, the container being formed on its exterior with outer and inner electrically conductive shells (72), (76), (80) Fig. 3 (not. shown) separated by an electrically-insulating layer (74), (78) and including means to maintain the shells at different relative electrical potentials and means to discharge the marking agent into the storage compartment when the shells become electrically conductive. As shown, the container is provided with a hinged lid 14 securable to the body 12 of the container by a key-operated lock 24 and a staple 28 and hasp 30 and is separated from the storage compartment by a cover plate 18. The reservoir consists of a glass phial 36 containing an indelible liquid dye and a cardboard cartridge 38 of indelible dye in powder form. Electrical detonators are associated with the phial and the cartridge. The cover plate 18 includes vents 42, to allow the dyes released to enter the storage compartment, and includes a cover 44 for a battery housing. Switches 48 and 56 on the body 12 are operated by the lid as the latter is closed and a switch 62 on the lid cooperates with the lock 24. The walls 'of the box comprise a layer (72) of steel, a layer (74) of a plastics material, a layer (76) of aluminium, a layer (78) of plastics material, a layer (80) of aluminium and a layer (82) of plastics material. The arrangement is such that switches 48 and 56 are open when the box is closed and the switch 62 is closed when the lock 24 is operative. When the box is closed and locked, electrical connection between the shell (76) and either of the shells (72) or (78) or prising of the lid to close any of the switches 48, 56 detonates the phial 36 and the cartridge 38 to release the dyes into the compartment 22 through the vents 42, some of the powdered dye also escaping through the space between the body and the lid. For transport purposes without the dyes being discharged, the lid is secured by a padlock through the hasp and staple and the lock 24 is not operated. The invention is applicable to wall safes and strongrooms,
Patent GB-1196963-A (GB)
Title: Improvements in or relating to Electrical Control Devices
IPC: H01H3/10
Filed: 1967-05-31
Abstract: 1,196,963. Resistors. CTS CORP. 31 May, 1967 [31 May, 1966]. No. 25213/67. Heading H1S. A driver for a variable electric control device comprises a disc 30 of dielectric material, an integral centrally-disposed hub 40 provided with a non-circular slot 41 for receiving a shaft 50, and having an integral shoulder or a notch for interfitting with the same to detachably secure the shaft to the driver. The shaft 50 may have a pair of notches 52 or shoulders for securing it in the hub by a pair of shoulders 44 or notches in the hub. A nylon bridging member 37 incorporating an end-play compensator may be provided over the end of a further slot which is a continuation of the slot 41. The driver may form part of a variable resistor, part 39 of the number 37 co-operating with a housing to provide a central bearing for rotation of the driver, while a stop arm (46) (Fig. 4, not shown) on the driver in co-operable with part of the housing to limit rotation of the driver. The resistance element may be carbon film or wire wound, and the resistor may incorporate a switch.
Patent GB-1498376-A (GB)
Title: Rotary peristalic pump
IPC: A61M1/30
Filed: 1976-06-17
Abstract: 1498376 Peristaltic fluid machines BIOENGINEERING RESEARCH SA 17 June 1976 [1 July 1975] 25241/76 Heading F1U In a pump comprising at least two pumping tubes 18, 19 the latter are compressed in an out-of-phase relationship by portions 8a, 11a of stepped rollers 8, 11 on a rotor 5, the smaller diameter portions 8b, 11b merely engaging with the tubes so as not to compress them materially. The rollers may be mounted on elements 5b, 5c that can be slid transversely of a diametral axis α-α of the rotor with the aid of screws 14, 15 so as to vary the phase relationship. Screws 16, 17 retain the elements in the selected positions. The rollers may also be movable parallel with the axis α-α by screws (not shown). The tubes may be made of P.V.C.
Patent GB-227199-A (GB)
Title: Improvements relating to the production of positive films for kinematograph use
IPC: G03D15/00
Filed: 1923-10-11
Abstract: 227,199. Thornton, J. E. Oct. 11, 1923. Kinematograph picture films; developing and after-treatment.-Negative films, more particularly of the narrow type produced by amateurs on ordinary silver-bromide material, are converted into grainless monochrome positive complete pictures by a process which is known in the production of single monochrome pictures and of component colour record kinematograph positive film strips, and which comprises (1) bleaching the negative silver image in an oxidizing bath, containing, for example, potassium bromide, bichromate and ferricyanide, potash-alum, and glacial acetic acid, which hardens the gelatin in direct proportion to its content of metallic silver, (2) dissolving out the whole of the silver salts as by hypo, (3) washing and drying, and (4) dyeing thesoft parts of the gelatin to produce the positive images. The dye-images may be mordanted as by iron or copper salts, or by alum. Various tone effects may be produced by dyeing the soft gelatin first with one type of dye and then with another. The traction perforations are preferably placed in the middle of the strip, between each picture. Specifications 13874/07, 25084/12, 13429/15 and 218,632 are referred to.
Patent GB-857881-A (GB)
Title: Improvements in and relating to polyolefine compositions
IPC: C08K3/04
Filed: 1958-08-08
Abstract: A composition comprises a normally solid amorphous olefine polymer of an olefine containing a terminal methylene group and having from 3 to 10 carbon atoms in the molecule admixed with 1 to 50% by weight of the total composition of silica or carbon having an average particle size of from 0,001 to 0,1 micron.  The polymer may be polypropylene, polybutene-1, polypentene-1, or a copolymer of propylene and pentene-1.  The carbon may be channel black, furnace black, acetylene black or lamp black.  The silica may be obtained by the oxidation of silicon tetrachloride.  The silica or carbon is generally incorporated in the polymer at a temperature above its melting point. The compositions may also include antioxidants such as a dialkyl phenol-sulphide.  The compositions may be made into films or foils or used to coat wires or cables.
Patent GB-796171-A (GB)
Title: Electrically controlled reverse gear drive
IPC: F16H59/08
Filed: 1955-09-06
Abstract: 796,171. Reverse gear control. LICENTIA PATENT VERWALTUNGS-GES. Sept. 6, 1955 [Sept. 6, 1954], No. 25525/55. Class 80 (2). Rapid braking of a member driven selectively forward or reverse through electromagnetic clutches K1, K2 is produced by the simultaneous reduced energization of both clutchwindings K1, K2 in series, by the action of switching off either operative clutch. Hand closure of either switch A or B, operative in an A.C. transformer circuit T, closes also contacts A1 or B1 respectively, short-circuiting the one clutch-winding K2 or K1 for sole energization of the other clutch-winding K1 or K2, in a rectified D.C. circuit including a resistor R and rectifier G. Opening the switch A or B opens also the corresponding contacts A1 or B1, and the decaying current in the previously effective winding now flows through both clutch windings K1, K2 in series for braking. Magnetic powder, eddy current or other magnetic clutches may be used, and resistors R1, R2 also are provided. Only one switch A or B can be closed at any time.
Patent GB-1099449-A (GB)
Title: Transmission belt and method of manufacture
IPC: B29D29/10
Filed: 1966-06-08
Abstract: 1,099,449. Moulding transmission belts. DAYKO CORPORATION. June 8, 1966, [July 22, 1965], No. 25560/66. Heading B5A. [Also in Division F2] In a V-belt comprising longitudinal reinforcing cords 16 enclosed between compression and tension layers 11, 15 of natural or synthetic rubber, the compression layer being formed on the inward side with transverse teeth, foamed rubber 17a is provided between and inwardly of the teeth. The belt comprises outer and inner facings 18, 19 of rubber impregnated bias-woven fabric, e.g. cotton, rayon, nylon, or may be completely wrapped with fabric (22) (Fig. 8, not shown), and a further layer of fabric (21) (Fig. 7, not shown) may separate the foam rubber (17a) from the compression layer (11). In a method of making such an endless V-belt, a layer (17) (Fig. 1, not shown) of rubber stock incorporating a blowing agent, e.g. ammonium carbonate, sodium bicarbonate or carbonate, or diazoaminobenzene, is applied to parallel teeth (12) and grooves (13) of a layer (11) of uncured rubber, or to a layer of fabric previously applied to the teeth and grooves. The layer (11) is then laid over a fabric layer (19) round a cylindrical mandrel (14), with the teeth (12) axially thereof on the inner surface, and a reinforcing cord (16) is helically wound therearound (Fig. 2, not shown). A layer (15) of rubber and a fabric layer (18) are laid round the cords (16) (Fig. 3, not shown) and the whole is bound by cross tapes and heated to cure or vulcanize the rubber and to cause the coating (17) to form the foamed layer 17a. The cured assembly is removed from the mandrel and sliced circumferentially to form individual V-belts.
Patent GB-938488-A (GB)
Title: Improvements in or relating to a method of and apparatus for logging a borehole
IPC: G01V5/10
Filed: 1961-07-14
Abstract: 938,488. Neutron borehole investigation. BRITISH PETROLEUM CO. Ltd., G. F. ROACH, and E. H. WARD. June 15, 1962 [July 14, 1961], No. 25592/61. Drawings to Specification. Class 40 (3). In a borehole investigating device using neutrons and detecting and analysing the gamma radiation returned, the intensity of radiation returned in a band of energy levels in which the response to brine-containing formations is greatest is compared with the intensity of radiation of all energy levels above a selected energy minimum. To determine the correct energy band the radiation intensity is plotted as a function of energy level for known brinefree and brine containing formations. The selected energy minimum is chosen to avoid interference by background radiation. In one embodiment a borehole probe attached to a strengthened cable containing a suitable number of electrical circuits contains a radioactive neutron source or a linear accelerator with a suitable target. The neutrons pass out into the surrounding formations and prompt gamma radiation caused is detected by a scintillation crystal and photo-multiplier. The crystal is shielded from direct radiation. The borehole probe includes circuits for amplifying and lengthening the detector output pulses before transmission to the surface and application to a pulse-height-analyser and ratemeter and a discriminator and ratemeter connected in parallel. The first of these gives a D.C. signal proportional to the rate at which pulses within the required band are received and the latter a D.C. signal proportional to the rate at which pulses over a certain minimum arrive. The two signals can be applied to separate pen recorders having paper moving in accordance with the movement of the probe in the borehole. It is preferred, however, to tap off a proportion of each signal and apply it to a mirror galvanometer, both galvanometers being arranged to record a trace on the same piece of film. The ratio of the signals fed to the galvanometers is adjusted so that the traces coincide in brine-free formations and their separation indicates the presence of brine. Specification 919,744 is referred to.
Patent GB-1385665-A (GB)
Title: Waistband with frictional ridge
IPC: A41D1/06
Filed: 1973-11-07
Abstract: 1385665 Waistband with friction ridge Q S T INDUSTRIES INC 7 Nov 1973 [11 Dec 1972] 25649/73 Heading A3V [Also in Division D1] A garment waistband adapted frictionally to engage another overlapping garment comprises a flat lying base fabric 10 provided, entirely on one surface thereof, with a ridge 11 consisting of superimposed unstressed rubber threads 14, 14a each disposed in a serpentine configuration, and the rubber threads are anchored to the base fabric by bights 15 of non- elastic threads. The waistband is intended for incorporation in trousers or a skirt and the ridge 11 serves to hold down a shirt or blouse. The base fabric may be woven and may comprise one or more layers. The threads 14, 14a may be of natural or synthetic rubber and may have a polygonal, preferably square, crosssection to enhance the gripping effect. The serpentine configuration of the threads 14, 14a may be sinusoidal and the threads may have the same amplitude and frequency. Alternatively sinusoids of different amplitudes may be used.
Patent GB-281439-A (GB)
Title: Improvements in or relating to electric switches
IPC: H01H21/04
Filed: 1926-10-16
Abstract: 281,439. Henley's Telegraph Works Co., Ltd., W. T., Nichols, W. H., and Moor, E. Oct. 16, 1926. Switches, quick-action.-Relates to quick-action switches of the kind wherein the movable contact fingers are carried by a pivoted cross-bar adapted to be moved with lost motion by a handle or lever, a crank or the like controlled by a dead-centre spring acting on a member carrying the crossbar so as to strike the member when the crank is moved over the deadcentre. The invention consists in mounting the switch mechanism on a framework which is adapted to be mounted within a casing or the like and includes a side plate or the like forming an arcuate guide slot for a finger on a pivoted cross-bar carrying the moving contacts, so as to cause them to be moved successively through positions parallel with their initial positions This framework comprise a plate a with wings b, one of which receives a bearing d for the spindle c to which the handle e is connected by a lost-motion device. The spindle c also carries a U-shaped crank f which embraces one side of a rocker g, the other side of which is pivoted at h. By means of the dead-centre compression spring s and pin t, the crank f is caused to strike the rocker g and move it up or down so as to open or close the switch. A tension spring connects the rocker with the plate a and stops w stamped, from the plate limit the travel of the rocker. Pivoted between the free ends of the rocker is a cross-bar n carrying contacts o and a finger p which is guided in a slot r in one of the wings b to ensure that the contacts o move parallel with one another and make and break contact simultaneously at their opposite ends The contacts o engage contacts m arranged in porcelain fittings k on the plate a. Bases, cases, covers.-The framework a, b with the asembled switch is mounted in a cast casing 11 having a gap 12 at each end, a gap 13 at one side to afford clearance to the spindle c, a gap (not shown) for the end of the pin t, and apertures for the fixing screws 14 of the framework. None of these gaps or apertures need be formed with special accuracy as they constitute clearances only. The gaps 12 are closed by plates 15, 16 formed with fixing feet 16 and apertures at 16a for the leads, and the plate 15 has tongues 23 to engage the nosing 24 cast on the lid 22. The plate 16 has tongues 19 constituting sockets for the hinge pins 20 which, with lugs 21, are cast with the lid
Patent GB-744745-A (GB)
Title: Improved process and apparatus for treating coal
Inventor: LITTLECHILD JAMES EDGAR
IPC: C10B49/08
Filed: 1951-11-06
Abstract: 744,745. Treating coal. NATIONAL COAL BOARD. Nov. 6, 1952 [Nov. 6, 1951], No. 25925/51. Class 55 (1). A process for treating coal comprises subjecting the coal in particulate form as a fluidized mass to the action of a gas containing free oxygen at a temperature considerably above that at which' substantial carbonization would normally occur the operating conditions being such that the coal loses part of its volatile matter without substantial carbonization or agglomeration of the coal particles and so that a coal of lower volatile content is produced. The gas containing free oxygen may be hot combustion gases and part of the heat for the treatment may be obtained by partial combustion of the coal. In an example a coal was treated at 500‹ C. for 30 minutes with a gas containing 8 per cent by volume of free oxygen and the volatile content of the coal was reduced from 38 per cent to 23 per cent. In apparatus for carrying out the process the particulate coal is charged from a hopper by a worm 15 into a fluidized treatment zone 13 having an upper portion of increased diameter. Air and a fuel gas are supplied, through compressors 20 and 21 respectively into a burner 26 and the hot combustion gases containing free oxygen pass into the zone 13 through line 17 and fluidize the coal therein. The gases pass out through a cooler 6A and an electrostatic precipitator 6 to remove entrained fines and tarry matter from the gases. Treated coal is removed by line 29 and passes through a cooler 4 which may be of the type described in Specifications 731,154, 744,744, [both in Group XIII]. The treated coal passes from cooler 4 by line 32 where it may be mixed with a pulverized product obtained by coking the tar and coal dust separated in precipitator 6, the mixture being then briquetted and carbonized. Specification 719,225 also is referred to.
Patent GB-641735-A (GB)
Title: Improvements relating to variable speed alternators
IPC: G05F3/04
Filed: 1947-09-25
Abstract: 641,735. Automatic regulation. MANDL, A., and METROPOLITAN - VICKERS ELECTRICAL CO., Ltd. Sept. 25, 1947, No. 26056. [Class 38 (iv)] A capacitance and a substantially unsaturated inductance are effectively connected in series across the terminals of a variable-speed alternator, the said capacitance and the internal inductance of the alternator being substantially resonant at the lower speed limit of the alternator, the inductance being substantially S+1/S2 times the internal inductance of the alternator (S represents the ratio of the upper to lower speed limit), and the alternator load being effectively connected in parallel with the inductance. In Fig. 5 a variable speed alternator 1 of any type, which may be driven, for example, by a vehicle axle or by an exhaust ejector air turbine as in Specification 604,796, has an internal inductance, represented by 2, resonant at the lowest alternator speed with a condenser 3. The load 7, e.g. lighting, is connected across terminal 5, 6 of an air-cored inductance 4 having the value prescribed above. With this arrangement at no load the voltage between terminals 5, 6 has the same value at the lowest and highest alternator speed, being slightly less therebetween. A mathematical analysis is given, together with characteristic curves of output voltage against speed and load. For good regulation a minimum load resistance one half the internal reactance of the alternator at the lower speed limit is specified. Condenser 3 and/or load 7 may be transformer coupled, such a transformer for coupling the load having a high leakage inductance to replace inductance 4.
Patent GB-901462-A (GB)
Title: Electronic timing circuit
IPC: H03K17/288
Filed: 1958-08-13
Abstract: 901,462. Discharge-tube relay circuits; pulse circuits. LABORATORY FOR ELECTRONICS Inc. Aug. 13, 1958 [Aug. 13, 1957], No. 26072/58. Class 40 (6). Fig. 1 shows a timing circuit in which capacitor 16 is charged at a rate determined by the value of the variable resistor 14. When the voltage approaches the value at the top of potentiometer 24, a valve 28 conducts and causes a regenerative changeover of the cathodecoupled pair 23, 28, thus energizing relay 19. Contact 36 closes and energizes relay 38 which first moves a pawl 39 to the next step on the ratchet 48, then discharges capacitor 16 via contacts 18. This action releases relays 19, 38, so that the spring 49 moves the pawl-andratchet 48 to the next position. The ratchet 48 may be coupled to a stepping switch or a counter. Contacts 18 may alternatively be operated by relay 19 which in this case may be provided with a time delay. The voltage at the tap of potentiometer 24 is made 62% of the charging voltage at the tap of potentiometer 10 so that the time delay is equal to the product of capacitor 16 and resistor 14. Variable resistor 34 may be adjusted so that the circuit is freerunning in the absence or failure of contacts 18 or may be adjusted so that relay 19 is held energized at the end of the timed period until the circuit is reset by discharging capacitor 16 by means not shown. Switch 83 may be thrown to join contacts 84, 87 so that the capacitor 16 charges rapidly from the tap of the potentiometer 10 and discharges slowly via variable resistor 14. Pentodes may replace the triodes 23, 28. In Fig. 2, the re-setting is carried out by a monostable circuit such as that comprising valves 52, 56. When the capacitor 16a has discharged sufficiently to cause conduction of valve 28a, the cathode-coupled pair 23a, 28a change over, causing valve 52 to conduct and cutting off valve 56. The rise of the anode voltage of valve 56 drives valve 40 into conduction, discharging capacitor 16a and hence cutting off valve 28a. When capacitor 69 has discharged, valves 52, 56 change over, cutting off valve 40 and starting another timing period.
Patent GB-463385-A (GB)
Title: Improvements in and relating to processes for the production of pure alcohol, and apparatus therefor
IPC: B01D3/00
Filed: 1936-09-25
Abstract: <PICT:0463385/III/1> In a process for distilling alcohol from materials such as mashes or crude spirit, alcohol is recovered from the fraction of lowest boiling point leaving the still by washing this fraction in a column with warm water, the dilute alcohol thus formed being returned to the still.  The mash is distilled in column still A, fusel oils being withdrawn at point D and pure alcohol at point E. The vapours from the top of the still pass through coolers J, H1 and H2 to a column K in which they are washed with warm water. The dilute alcohol collecting at the bottom of column K returns to the still A through pipe M.  The low boiling point substances leave the column K in the form of vapour and pass through coolers N, O, and P to collecting means.
Patent GB-713615-A (GB)
Title: Pulse transmission through inductive circuits
IPC: H01F19/08
Filed: 1952-10-17
Abstract: 713,615. Delay networks. STANDARD TELEPHONES & CABLES, Ltd. Oct. 17, 1952 [Oct. 20, 1951], No. 26103/52. Class 40 (8). [Also in Group XL(c)] A circuit for reducing the overshoot when a pulse is transmitted through an inductive coupling circuit comprises a delay network connected across the coupling circuit and terminated at its distant end so that pulses of a given polarity are suppressed. The Figure shows a circuit in which positive pulses from a driving tube are passed via a transformer 1, 3 to an output 4. The overshoot which would normally follow each positive pulse due to the inductive reactance of the coupling circuit 1, 3 is reduced by the delay network 8 which is terminated in its characteristic impedance by resistor 13 across which rectifier 14 is connected. Positive pulses occuring across terminals 11, 12 are transmitted down delay network 8, which has a one way delay time equal to a fraction of the output pulse duration, are reflected at diode 14, with a change in polarity and appear back at the input terminals as negative pulses. The overshoot due to each negative pulse applied across terminals 11, 12 counteracts that caused by the applied positive pulses so that the overshoot is effectively cancelled. Any transmission of negative pulses down delay network 8 is dissipated in impedance 13 since diode 14 presents an output circuit to such pulses. The one-way delay time of network 8 is preferably equal to one-half the input pulse duration; if it is made less than this the circuit will also function as a pulse narrowing circuit.