baber/WOPTO huggingface dataset:
Patent GB-576435-A (GB)
Title: Improved process for the halogenation of unsaturated aldehydes
IPC: C07C47/24
Filed: 1944-05-11
Abstract: Compounds of the type RCHXCXXCHO, where R is hydrogen or an alkyl group of 1-4 carbon atoms, and X is either chlorine or bromine, are prepared by reacting with the halogen specified a compound of the formula RCHXCHXCHO in the presence of water, at a temperature of at least 50 DEG  C.  The water present is provided by the addition of water itself or a compound which furnishes water by neutralisation, metathesis, condensation or decomposition.  The reaction may be carried out, using an aldehyde of the type RCH = CH-CHO as starting material and which halogenates easily to the dihalogen compound specified above.  In the examples: (1) crotonaldehyde is chlorinated until the dichloro compound is formed, water is then added and the mixture further chlorinated until the product 2.2.3-trichlorobutanol-1-monohydrate crystallises out on hydration; (2) 2.2.3-tribromobutanol; and (3) propyl chloral hydrate are obtained by the method outlined above; (4) the dichloro-compound formed as in example (1) is treated with wet chlorine to give the desired product; (5) a mixture of water and crotonaldehyde is chlorinated until the butyl chloral hydrate crystallises out on hydration; (6) to the dichloro-compound obtained as in example (1) is added one of the following substances which furnish water during the subsequent chlorination: sodium bicarbonate, ethanol, glycol, glycerol, dichlorhydrin, tertiary butyl alcohol, secondary butyl alcohol, zinc chloride, dextrose or acetal.
Patent GB-232405-A (GB)
Title: Improvements in and relating to rheostats for wireless receiving sets and the like
IPC: H01C10/32
Filed: 1924-04-09
Abstract: 232,405. Davis, W. J., and Edison Swan Electric Co., Ltd. April 9, 1924. Variable resistances.- A rheostat has an adjustable stop to limit the motion of the contact arm, thereby limiting the minimum value of the resistance. The resistance element 1 is mounted between insulating cheeks 2, 3 fastened to the panel 4. On a spindle 6 are fixed at the upper end a control knob 5 and at the lower end a contact arm 7. On the upper surface of the panel 4 beneath the knob 5 is rotatably mounted a disc 11 having notches 13 in its outer edge, any one of which may be caused to engage with a spring wire 14 by rotation of the disc 11 by means of a knob 12. A stop 15, formed by bending up a tongue from the disc 11, is adapted to engage a pin 16 projecting from the control knob 5.
Patent GB-1342552-A (GB)
Title: Intruder detection systems
IPC: G01S13/56
Filed: 1972-02-28
Abstract: 1342552 Intruder alarms PYROTECTOR Inc 28 Feb 1972 [5 April 1971] 9152/72 Heading G4N An intruder alarm comprises a first detector responsive to a change in frequency between a transmitted signal and a received signal, a second detector responsive to change in light intensity and means to actuate an alarm in response to signals from both detectors. The first detector may be an acoustic Doppler system operating on 40 kHz which after integration of the Doppler signal feeds an AND gate. The second detector may be photo-resistive or photo-generative and provides an output to the AND gate only following a rate of change of light above a certain value. Exit and entrance delays are included between the AND gate and the alarm to permit authorized setting and resetting. Reference has been directed by the Comptroller to Specification 964,752.
Patent GB-1458391-A (GB)
Title: Spring brake unit
IPC: B60T13/26
Filed: 1973-02-24
Abstract: 1458391 Spring applied brakes DAVIES & METCALFE Ltd 20 Feb 1974 [24 Feb 1973] 9161/73 Heading F2F A spring operated brake unit provided with means by which a brake can be released by fluid pressure or manually is so arranged that after a manual release has been made the first subsequent fluid pressure release will reset the manual release mechanism. A compressed airoperated cylinder 2 with piston 3 coupled to a lever 4 is mounted on a body 1 beside a cylinder 12 containing a spring-operated piston 10 also acting, through an extension 13, on the lever 4 which operates the brake through a slack adjuster 6 and spindle 7. The cover 15 of cylinder 12 carries a screw 16 which can rotate but not move axially and a nut unit 17 has mounted thereon a tubular clutch 18 free to move axially along the nut under the tension of a spring 19 but prevented from rotation by a key 20. To release the brakes manually a nut 30 secured to screw 16 is turned to compress the spring 9 by moving piston 10 the spring 19 being also compressed. A torsion spring 35 secured at one end to a sleeve 35 rotatable with the screw 16 is twisted and when the brake is released by fluid pressure frusto-conical faces 28, 29 of piston extension 24 and clutch 18 separate so that the nut unit can then rotate around screws 16 under the couple exerted by spring 35 to reset the mechanism. Screw 16 may alternatively be rotated by means of a worm-wheel or by means of a reversible electric motor.
Patent GB-1511116-A (GB)
Title: Phase-shift modulation(or demodulation)circuits
IPC: H04L27/20
Filed: 1976-03-08
Abstract: 1511116 PSK modulators, demodulators; telegraphy POST OFFICE 8 March 1976 09177/76 Headings H3A and H3R A phase shift modulator or demodulator employs directional couplers 16, 21, 28; 5, 8 in place of conventional filters, transformers etc., for impedance matching of signals at 33, 1, 2 to a phase switch D 1 -D 4 . The switch, preferably including Schottky diodes alternates between conducting and non-conducting states in response to a carrier or local oscillator signal at 33. The signal at 1 may be a modulated output or input signal and the signal at 2 may be a modulating digital data or a demodulated output signal. Alternatively in a differential detection system two modulated carriers may be demodulated against each other.
Patent GB-737938-A (GB)
Title: Improvements in or relating to lighting systems embodying electric discharge tubes
IPC: H05B41/40
Filed: 1953-04-02
Abstract: 737,938. Self-contained supply systems with variable speed generators; supply systems for space discharge apparatus. PHILIPS ELECTRICAL INDUSTRIES, Ltd. April 2, 1953 [April 5, 1952], No. 9209/53. Class 38 (4). An electric lighting system as for use in trains; aircraft, ships, omnibuses, or bedrooms comprises one or more low-pressure and preferably fluorescent arc-discharge tube 2 operable at either a dimmed or full light intensity by closure or otherwise of a manually operable switch 9 connected across each tube to yield respectively a local discharge across each thermionic electrode 6, 7 of each tube or the main arc discharge between such electrodes of each tube, the tubes being supplied from a mobile generator or from an A.C. supply mains and being associated with series and parallel impedances 8, 10, 11 such as are described in Specification 612,787.
Patent GB-236666-A (GB)
Title: Improvements in or relating to the pistons of internal combustion engines
IPC: F02B75/00
Filed: 1924-04-11
Abstract: 236,666. Zulver, C. April 11, 1924. Pistons; cooling; reducing wear of; attaching to rod; packing; piston-rods.-In a transversely divided piston for a Diesel or other engine of the type in which one section is formed integral with the piston-rod, the piston sections are made of mild steel &c. and are bolted together and a castiron packing-ring carrier is mounted on one or both sectors or interposed between the sections. The piston-rod d, Fig. 1, may be integral with the upper section a, the lower section b being secured to the upper section by means of bolts r, the heads of which are situated in a recess p. A cast-iron packing-ring carrier is mounted on the upper section and a sleeve a surrounding the piston-rod is screwed into the lower section. Cooling fluid is circulated to the interior of the piston through a passage in the rod d and the space between the rod and the sleeve e. Alternatively, a hollow piston-rod may 'be formed integral with the lower piston section b, cooling fluid being circulated through a pipe passing through the hollow piston-rod and the space between the pipe and the piston-rod. The lower section may be provided with a spring ring to act as a guide in the cylinder. In a modification, the cast-iron packing-ring carrier x, Fig. 3, is inserted between an upper piston section a and a lower section b formed integral with the rod d, the sections being secured together by bolts y. Water is circulated through a pipe l and the space between the pipe and the rod d. The interior of the sections may be formed with ribs u, and the sleeve x may also be formed with ribs.
Patent GB-724000-A (GB)
Title: Apparatus on vessel manipulating machines for feeding and arranging the dividing of the vessels
IPC: B08B9/20
Filed: 1952-04-15
Abstract: 724,000. Conveyers. SEITZ-WERKE GES. April 15, 1952 [April 23, 1951], No. 9359/52. Class 78 (1). Vessels are fed to a machine by a conveyer on the conveying track of which is a rotary spacer, the entry of each vessel into the spacer being regulated by a confining device adapted also for dividing the vessels into spaced groups. As shown, a supply of bottles 12 is fed by an endless band 13 between guides 32. The static pressure of the bottles is first relieved by the loop A in the guides which causes the bottles to pass off the band and then be pushed back on again by the following bottles. The confining finger 24 is moved periodically into the path of the bottles as they ride sideways along a wedge 26 by a lever 22 having a follower roller 23 spring-urged into contact with a cam-wheel 20 fixed to the spacer wheel 14. The bottles are thus released in synchronism with the recesses 15 in the wheel 14 so as to avoid jamming. A second cam wheel 17 is geared to the spacing wheel and has a cam 19 which, after, say, twenty bottles have passed through the spacing wheel, moves aside a follower roller 29 on a lever 31, the remote end of which rides on to a projection 32 on an extension 28 of the finger 24 so forcing finger 24 into bottle confining position until cam 19 has passed roller 29, whereupon lever 31 is returned by a spring 30.
Patent GB-269178-A (GB)
Title: Insulating stone for electric furnaces
IPC: F27B3/12
Filed: 1927-04-05
Abstract: 269,178. Siemens - Elektro - Wõrme- Ges. April 6, 1926, [Convention date]. Resistance furnaces. - Annealing furnaces are heated by resistance spirals or coils located in recesses m insulating stones formed as shown. The stones shown in Fig. 1 and 3 have recesses in one side only, while those shown in Figs. 2 and 4 have recesses in two opposite sides. Figs. 2 and 4 show V-shaped recesses, while Fig. 3 shows a recess with a circular coil-contacting portion or larger radius than the coil. In all cases the recesses are shaped and proportioned so that the coils can be withdrawn by either axial or transverse movement.
Patent GB-832596-A (GB)
Title: Improvements in or relating to inking mechanisms for rotary printing machines
IPC: B41F31/28
Filed: 1958-03-24
Abstract: 832,596. Inking-apparatus. MASCHINENFABRIK AUGSBERG - NURNBERG A.G. March 24, 1958 [March 30, 1957], No. 9368/58. Class 100(2) In inking-mechanism for rotary printing machines, the ink is applied by atomizing nozzles downwardly on to a rubbing-down roller, which roller bears against a bare cylinder. A rotary printing machine includes plate-cylinders 4, 5 each provided with an inking apparatus. The inking- apparatus for cylinder 4 comprises an atomizing nozzle 26 supplied with ink by a plurality of pumps of variable discharge volume and uniform delivery, such as eccentric rotary pumps, and applying the ink downwardly on to a rubbing-down roller 24 contacting a bare cylinder 8, the inking train consisting of bare cylinders 8, 6 and rubbing-down rollers 24 and 10-16. An ancillary fountain 28 can be brought against the roller 24 to supply a further colour to the paper after cutting off the spring.
Patent GB-1059771-A (GB)
Title: Machine tool
IPC: B23Q16/06
Filed: 1964-03-05
Abstract: 1,059,771. Machine tools. COMPAGNIE POUR L'ETUDES D'EQUIPEMENTS INDUSTRIELS. March 5, 1964 [March 5, 1963], No. 9369/64. Headings B3B, B3C and B3N. A machine tool comprises a frame 3 carrying an indexible annular table 1 having work holders 2 on its periphery, the frame having upwardly mounted units 11, vertical arms 9 having radially mounted units 10 and a fixed central column 5 having downwardly operating units 14. The base contains a coolant tank and a tank for chips collected by a scraper chain 16. The column 5 may be replaced by a table carrying machining units. The table is indexed by an oscillating forked arm 17 driven by a crank 19 on a shaft 20. The shaft also carries cams to control locking-bolts 24. The table 1 is lifted hydraulically for rotation on rollers 4 and is then clamped. The units are adjusted with the aid of wedges and graduated scales. The units may be for screwing-up and assembling parts.
Patent GB-1536343-A (GB)
Title: Intake and exhaust manifold system for an internal combustion engine
IPC: F02B19/10
Filed: 1976-03-09
Abstract: 1536343 Fuel vaporizer NISSAN MOTOR CO Ltd 9 March 1976 [17 March 1975] 09369/76 Heading F1B In an engine having for each cylinder, a main combustion chamber 16 and an auxiliary combustion chamber 18 respectively supplied with relatively weak and relatively rich mixtures from main 34 and auxiliary 56 carburetters, a vaporizing chamber 60 is formed beneath the auxiliary carburetter to catch and vaporize fuel droplets falling therefrom. As shown in Fig. 2 the chamber 60 is in two parts separated by a wall 64 having a first aperture 64a below an auxiliary intake riser 56 and second aperture 64b one for each branch 52, 54 of an auxiliary intake manifold. The wall 64 aids in prevention of splashing and hinders the induction of fuel droplets into the branches 52, 54. The bottom wall 66 of the chamber 60 is exposed at its underside in an exhaust manifold 44 for heating by exhaust gases, but could be heated by by-passed engine coolant (not shown).
Patent GB-604924-A (GB)
Title: Improvements in and relating to the condensation of metallic vapours
IPC: C22B5/16
Filed: 1945-04-16
Abstract: 604,924. Distilling metals; magnesium. SOC. d'ETUDE POUR L'INDUSTRIE DU MAGNESIUM. April 16, 1945, No. 9439. Convention date, April 4, 1944. [Class 82(i)] A process for the condensation of metallic vapours consists of controlling the range of temperature of the condenser by bring- ing into contact therewith a single fluid subjected to the action of a source of heat and/or a source of cold, both sources situated apart from the condenser, the said fluid being caused to flow at high velocity between the two sources and the condenser. Apparatus for carrying out the process comprises a condenser 1, shown diagrammatically in Fig. 3, an enclosure 3 in contact with at least part of the surface of the condenser, a conduit 4' supplying fluid to the enclosure, from a fan 11, means for controlling the temperature of the fluid comprising a heating source 6 and a cooling source. Means 13 is provided to control the proportions of fluid supplied by the cooling and/or the heating source from the conduits 10 and 9 respectively. At least a portion of the fluid may be returned to the heating source through pipe 14, and if desired, a return pipe may also carry the fluid from the condenser to the cooling source. The apparatus may comprise a heat recuperator 18, either interposed in in return pipe 14 as shown, or associated with the source of heat in the same casing, means, such as valve 21 and by-pass 20, being provided to control the quantity of fluid circulating in the recuperator. In Fig. 5 there is shown diagrammatically, the application of the invention to a plurality of condensers which are supplied with fluid from a common source of heat and/or a common source of cold, means being provided for controlling individually for each condenser the respective quantities of cold and preheated fluid introduced to the condenser enclosure, and means for distributing the fluid issuing from the said enclosures respectively to the heating and cooling sources.
Patent GB-276909-A (GB)
Title: Improvements in or relating to convertible tables
IPC: A47B85/04
Filed: 1927-04-06
Abstract: 276,909. Bint, F. C. April 6, 1927. Seats convertible into tables.-Part of a table top is hinged to turn back so as to give access to a seat or settee., the seat member d of which is hinged to a back member e mounted between the rails b' and serving g to strengthen the table frame. In use, the seat member rests upon blocks g projecting from the table legs and may also be supported by folding legs, and when out of use can be folded upwards and secured behind the rim f of the flap c. The flap may be held by stays in an inclined position to form an extension of the seat back, or it may fold right over on to the table top. The parts of the table top left at each end of the flap may serve as armrests. The arrangement, may be duplicated to provide two seats back to back.
Patent GB-292723-A (GB)
Title: Mechanism to actuate the shuttles of mechanical looms
IPC: D03D49/24
Filed: 1927-04-06
Abstract: 292,723. Calvet, D. April 6, 1927. Picking-motions; shuttles. - The shuttle is handed across the shed by reciprocating pincers 5, 6, Figs. 2 and 3, guided on rods 11 on the lay and each having a spring-pressed member 12 for engaging in a notch 16, Fig. 6, in the shuttle. In operation, the pincers are moved inwardly by link and lever mechanism, and one of the members 12 is moved away from its corresponding pincer by the action of a cam-operated roller against a lever 20. The corresponding end of the shuttle is thereby released, but the other end is retained by the other pincer which carries it through the shed when the pincers are moved outwardly.
Patent GB-393393-A (GB)
Title: An appliance for fastening together a brush-head and the shaft or tail
IPC: B25G3/04
Filed: 1932-04-02
Abstract: 393,393. Brush-handles. JENKINS, F. T., 220, Alfred Road, Brightside, Sheffield. April 2, 1932, No. 9491. [Class 61 (i).] A brush-head is secured to a handle by jaws A, B, Fig. 1, which are pivotally connected by a rivet C, Fig. 3, or by a hinge. The jaw parts are formed with V-shaped prongs which engage with the handle, the jaws being clamped about the handle by a cranked staple F which is driven into holes E formed at the outer edge of the jaws. According to the Provisional Specification the jaws may be formed with lugs to receive a bolt and nut for clamping the jaws on the handle.
Patent GB-312047-A (GB)
Title: Improvements in or relating to pulverising mills
IPC: B02C13/22
Filed: 1929-03-25
Abstract: 312,047. Legrand, P. May 18, 1928, [Convention date]. Impact pulverizers; disc and like mills.-In a mill having discs rotating relatively to each other and provided both with grinding rings and beaters, the grinding rings f are arranged to surround the beaters e so that the material fed into the centre of the mill is disintegrated before passing through the fine grinding rings b, f. The grinding ring b is adjusted relatively to the grinding ring f by means of packing rings g or the door n may be mounted in lugs h, Fig. 4, so that its distance from the disc may be adjusted by a screw k on a transverse bar i supported in lugs m on the mill casing. When it is desired to obtain an impalpable powder a circular sleeve is used around the discs.
Patent GB-1404433-A (GB)
Title: Vehicle brake lights
IPC: H01C10/10
Filed: 1973-02-27
Abstract: 1404433 Road-vehicle signalling-apparatus K J PHILLIPS 14 Feb 1974 [27 Feb 1973] 9556/73 Heading G4Q The resistance of transducer 13 (e.g. a carbon pile) varies with braking force whereby the intensity of stop lamps 2a, 2b increases as the braking force increases. Fog hazard 3 and nightdimming 4 resistors may be added.
Patent GB-1508322-A (GB)
Title: Device for use in controlling slicing of meat
IPC: G05D5/03
Filed: 1976-03-08
Abstract: 1508322 Slicing meat WALLS MEAT CO Ltd and J W WARREN 8 March 1976 [7 March 1975] 9641/75 Heading G1A In a device for use in controlling the slicing thickness of a block of meat in accordance with any variation in the cross-sectional thickness of the meat, one or more mechanical L-shaped fingers 10 rest on the meat as it moves past. The fingers are each pivoted, 12, on a fixed support 14, and each carries L.E.D. 40. A corresponding photo-resistor 32 is fixed to the support adjacent each L.E.D. Each photo-resistor 32's output is proportional to the position of its corresponding finger. The outputs are processed to control hydraulic fluid entering and leaving 28, 30 a cylinder 20 to drive a piston 22. One end of the piston comprises a hook 26 for embedding in the meat.
Patent GB-1198546-A (GB)
Title: Production of Phosphate Coatings on Metal.
Inventor: BURDEN PETER
IPC: C23C22/44
Filed: 1968-02-28
Abstract: 1,198,546. Phosphating metal surfaces. PYRENE CO. Ltd. Dec.20, 1968 [Feb. 28, 1968], No.9734/68. Addition to 1, 083, 779. Heading C7U. A solution for phosphating surfaces of steel, zinc or aluminium or any two of all three of these simultaneously or successively, comprises ammonium primary phosphate, fluoride, an accelerator consisting of a soluble tungsten or molybdenum compound, and at least one complexing agent for zinc in acid solution, the solution also being free of alkali metal ions. The complexing agent may be ethylene diamine tetracetic acid, nitrilotriacetic acid, diothylene triamine pentacetic acid, gluconic acid, glucoheptonic acid, tartaric acid, dihydroxy tartaric acid or citric acid, the solution containing 0À25 to 6 g/l in total of the complexing agent. The fluoride is preferably ammonium fluoride or hifluoride although ammonium fluoborate or silicofluoride may be used.
Patent GB-1075096-A (GB)
Title: Frequency measuring apparatus
IPC: H04N17/00
Filed: 1966-03-07
Abstract: 1,075,096. Measuring frequency. AGA A.B. March 7, 1966 [April 9, 1965], No. 9869/66. Heading G4H. The frequency of an alternating voltage is measured by apparatus comprising a frequency doubler (2, Fig. 1, not shown), a frequency dividing electronic counter (6), switching means (3, 4, 5) to apply either the frequency to be measured or the doubled frequency to the counter (6), the switching means being set by the output signal from the counter, a reference frequency generator (7), a frequency comparator (8) receiving the reference frequency and the output from the counter (6), a counter (13) driven one way or the other according to the relative frequency values of the inputs to the comparator (8) and a coincidence detector (14) which, when the counts in the two counters are the same, switches the switching means to the other setting. In operation the frequency f to be measured is first applied to the counter (6). When the count in this counter equals that in counter (13) the first switch (3) closes and the second switch (4) opens so that a frequency of 2f is applied to the counter (6) until it reaches its full capacity. The switch (3) then re-opens and the cycle repeats. The output from the divider is compared for frequency with the reference frequency. The comparator output adjusts the counter (13) until a balance is achieved and the value in this counter can then be used to determine the frequency f. A circuit working on principles similar to those described above may be provided to enable one of a number of different reference frequencies to be selected.
Patent HK-160696-A (HK)
Title: Latent thiol mercaptan chain transfer agents and their use in the synthesis of polymers
Inventor: EMMONS WILLIAM DAVID
IPC: C08F293/00
Filed: 1996-08-29
Abstract: Latent thiol mercaptan chain transfer agents and their use in the synthesis of polymers are described. In addition, novel polymers and block copolymers formed using these latent thiol mercaptan chain transfer agents are described. The latent thiol mercaptan chain transfer agents comprise at least one thiol functional group and at least one protected thiol group. The polymers and coploymers are useful in adhesives, mastics or caulks or as compatibilizers for physical blends of at least two polymers.