baber/WOPTO huggingface dataset:
Patent GB-326872-A (GB)
Title: Improvements in apparatus for dispensing liquids
IPC: G07F13/00
Filed: 1928-12-21
Abstract: 326,872. Berry, W. H. Dec. 21, 1928. No Patent granted (Sealing fee not paid). Fixed-chamber apparatus. - In an apparatus such as described in Specification 322,785 for dispensing predetermined quantities of liquid by causing the liquid to overflow to a delivery nozzle, a valve 8 controlling the liquid discharge passage 2, 13 is formed with a needle-like extension 11 to destroy any air pocket or bubble forming above the liquid and is fitted with a cork or other piston 7 which, on the valve being operated, produces a suction to accelerate the flow of the liquid. The apparatus shown is suitable for dispensing sufficient petrol for charging a petrol lighter or scent for a handkerchief on the insertion of a coin through a slot 33 in the cover 22. The liquid 5 to be dispensed is contained in an annular chamber 1 and preferably rests on a liquid 31 of higher specific gravity, which also fills a communicating central chamber 30 containing a float-pan 32. On the coin dropping into the pan 32 the liquid level rises, and when the valve 8 is operated the liquid overflows and issues at the nozzle 14. In order to prevent a syphoning action the movement of the piston uncovers an air vent 18 which may lead into the cover 22 or be provided with a vent hole or holes 17. The holes 17 may be arranged adjacent the wall of the chamber 1 or be guarded by a cowl or upstanding rods to prevent dishonest closure. The pan 32 is guided by arms 43 engaging the wall of the chamber 30, and on reaching the bottom of its travel a flange 36 on the pan engages a lever 38 and operates a lever 41 to close the coin slot 33. The cover 22 is secured to the wall of the chamber 1 by a bayonet connection 34, 35 and by a locking screw 23. A key for operating the locking screw 23 also operates the gland 9 of the valve 8 and the cap 21 of a filling connection 20 for the chamber 1. Specification 320,423 also is referred to in the first Provisional Specification.
Patent GB-344091-A (GB)
Title: Improvements relating to motion picture transmission systems
IPC: H04N3/40
Filed: 1929-12-11
Abstract: 344,091. Television. KOLSTERBRANDES, Ltd., Cray Works, Sidcup, Kent.-(Federal Telegraph Co.; Hobart Building, San Francisco, U.S.A.) Dec. 11, 1929, No. 38013. [Class 40 (iii).] A retardation network 5, 6 is included in the circuit of a television transmitter. The networks are arranged in branch circuits in parallel with the ordinary circuit 9, and the outputs from the three circuits are combined in a transmitting line 4 by transformers 3. The networks are so designed that the signals corresponding to a picture on a kinematograph film 10 are repeated twice while the film is moved to the next picture.
Patent GB-806630-A (GB)
Title: Ring roller mill
IPC: B02C15/06
Filed: 1957-12-09
Abstract: 806,630. Roller-and-ring mills; impact pulverizers; PETERS, W. Dec. 9, 1957 [Dec. 7, 1956], No. 38254/57. Addition to 805,813. Class 59 [Also in Group XXIX] In a roller-and-ring mill having one or more rollers 3 bearing against the grinding face 2 of a bowl 1 and rockably mounted on the mill housing 12 by means of swing shafts as described in the parent Specification, which is referred to, each roller shaft 4 is mounted in a hub-like body 6 having diametrically-opposite pistons 7, 8 disposed in cylinders 9, 10 of a guide casing 11 secured to the mill housing, hydraulic pressure fluid being supplied through pipes 16, 17. The piston 7 is provided with a spring- loaded supplementary piston 13, and the piston 8 with a fixed guide piston 15. The bowl 1 is provided with pivotally-mounted thrower blades 5.
Patent GB-848709-A (GB)
Title: Electric control system for conveyor lines
IPC: G05D3/14
Filed: 1956-12-14
Abstract: 848,709. Roller conveyers. GENERAL ELECTRIC CO. Dec. 14, 1956 [Dec. 16, 1955], No. 38274/56. Class 78 (1). [Also in Group XXXV] In an electric control system for synchronizing sections of a conveyer line comprising two transmitter selsyns, one having its rotor coupled to a driven section of the line while the other has its rotor coupled to a separately driven section of line or to a reference speed motion, a phase discriminating means which may comprise a differential selsyn or a rectifier capacitor combination is arranged to produce from the selsyn outputs an error signal whereby the drive of the first section may be controlled. Carriers 13- 18 are driven along a bed of rollers 11 by dogs 37a, 37b, 47a, 47b on endless chains or belts 22, 23 which engage front arms 14a-18a. The belts or chains are driven by motors 30, 32, 34 the armatures of which are fed from generators 52-54, and the motor 30 has its speed controlled by selsyns 65-67 in accordance with the speed of a master reference 70 through a potentiometer 59, 60 across the D.C. supply. The positional correspondence necessary for the transfer of a carrier from one belt to the next is achieved by selsyns 74, 75 which are coupled to pulleys or sprocket wheels 26 and 27 through clutches 77, 83 when the front arm of the carrier and the dog by which it is to be engaged arrive respectively at reference points and close respectively switches 90, 92. Relays 88, 89 which are thus energized, energize the respective brake and clutch coils to allow the selsyns to be driven. Any lack of correspondence thus causes one selsyn to be driven before the other and the resulting output from a differential selsyn 73 drives the wiper of a potentiometer 63 to control the energization of the field of generator 53 to effect the necessary correction. The relays 88, 89 are self-locking and are released by the opening of switch 91 when the front arm arrives at the point of pick-up by the dog on the succeeding conveyer. Modifications which are mentioned include the replacement of the switches by photo-electric devices and the use in the motor drive of variable-speed gears which are controllable by the differential selsyn. In a further arrangement described with reference to Fig. 2 (not shown) three stator windings of two selsyns are connected together and their rotor outputs feed a phase discriminator to control a magnetic amplifier in the generator field circuit.
Patent GB-1356932-A (GB)
Title: Illuminable character readout devices
IPC: G09F9/305
Filed: 1970-08-10
Abstract: 1356932 Matrix displays TRADE & INDUSTRY SECRETARY OF STATE FOR 5 Aug 1971 [10 Aug 1970] 38433/70 Heading G5C A display device comprises a light source 52, an array of light guides 20, the first end 24 forming a matrix, a stack of control screens 26 between the source and the second end of the array and means 32 for moving each screen between two positions to control the light to light guides. The guides extend from a figure of eight matrix into rows arranged in two columns; alternate guides forming each bar, e.g. "C" being arranged in two adjacent rows, e.g. 13, 14. The rows are illuminated by light passing through a plurality of screens, each of which is moved between rest and operating positions. The first screen 30 comprises seven slots and passes or blanks off all light to the rows 1 to 14. The second screen 28 passes light either to odd lines in the rest position or to odd lines in the operating position. All the control screens 26 in the rest position pass light to all rows whilst in the operating position each screen blanks off light to different rows. Thus in the rest position only odd numbered rows are illuminated, actuating a screen 26 cuts off light to selected odd rows and a digit is formed. Actuating screen 28 produces another digit using guides in even rows. Ten screens 26 are used allowing any digit to be altered to another. The screens are mounted on frames 42a moved by pneumatically operated diaphragms 36. A coloured diffusing screen may be placed in front of display screen 21. In another embodiment each bar of the matrix comprises two side-by-side light guides of elongated cross-section, the other ends being arranged in two sets. The device may be used to provide numerical read-out for fluid analogue of a proximity gauge.
Patent GB-1025142-A (GB)
Title: Aircraft guidance apparatus
IPC: G01S19/23
Filed: 1962-10-12
Abstract: 1,025,142. Radio navigation. SPERRY RAND CORPORATION. Oct. 12, 1962 [Oct. 12, 1961], No. 38684/62. Heading H4D. In an aircraft a first guidance signal defined by a glide-path radio beacon is produced during a first stage of aircraft descent and during that period a signal representing the rate of aircraft descent is stored and utilized for guidance in a second stage of descent, the ordered rate of descent for a third or final stage, maintained until the aircraft touches down on the runway, being computed by dividing the stored signal by a predetermined factor greater than unity. Thus a pilot " flares-out " to landing when guiding the aircraft to keep an instrument bar, controlled by the ordered rate of descent in the third stage, in a predetermined position, Fig. 1. In one embodiment, Fig. 2, the output of an I.L.S. receiver 10 is applied via contact 12a to the horizontal pointer of an indicator 14; the aircraft also carries a radio altimeter 18. When the measured height H exceeds a pre-set altitude h 1  relay 16 is energized and its contacts are as illustrated; when H falls to h 1  the relay is de-energized. A generator 24 measures either the flight path angle, as for example in Specification 815,137 (see Group XXXVIII), or the temporal rate of loss of height by means of a barometric altimeter and rate circuit; generator 24 output is applied to a comparator 26 the output of which is fed via contacts 12b to a " memory " device 28 comprising a capacitor followed by a cathode follower. Device 28 output is applied via contact 30 to comparator 26. A comparator 34 causes de-energization of relay 32 when H falls to a height h 2  (at which flare-out is to begin) and introduces a dividing network 38 into the circuit between device 28 and comparator 26. In a further embodiment the programmed descent is as illustrated in Fig. 3; the corresponding apparatus, Fig. 4, includes (1) energization of a lamp when the aircraft passes a marker 3 at the correct height, (2) conversion of D.C. signals into A.C. signals by a modulator, (3) a barometric height-rate arrangement, (4) a five-pole five-position wafer switch successively energized by comparators, and (5) a pitch attitude sensor. An automatic pilot may be employed.
Patent GB-1245186-A (GB)
Title: Improvements in and relating to radar display apparatus
Inventor: BARTHOLOMEW JOHN FRANCIS
IPC: G01S7/22
Filed: 1969-08-04
Abstract: 1,245,186. Radar; cathode-ray tube circuits. DECCA Ltd. 24 April, 1970 [4 Aug., 1969], No. 38966/69. Headings H4D and H4T. In a radar P.P.I. apparatus utilizing radial scan deflection means 11 and shift coils for interscan markers, and in which each shift coil circuit incorporates a choke 14 for preventing damage of the shift coil amplifier 16 by induction from the deflection coil(s), the choke is short-circuited for both directions of current flow through the shift coil for at least the duration of the interscan deflection signals. Thus the choke does not affect the interscan marker display. In the embodiment an input 18 is a slow-varying D.C. for shifting radial scan origin in a true motion display and input 19 is the interscan marker signal. During radial scanning transistor 23 is conductive and triac 21 is not conductive; at the end of a radial timebase period a generator 27 produces, after a predetermined delay, a control pulse of duration not less than the duration of the input 19 and this pulse cuts off . transistor 23 to render triac 21 conductive for both directions of current through coil 13 and thereby short circuit choke 14; on termination of the control pulse a signal is applied to input 29 to ensure that triac 21 is rendered non- conductive. Reference has been directed by the Comptroller to Specification 1,142,493.
Patent GB-980046-A (GB)
Title: Improvements in or relating to engines,pumps,compressors and the like
IPC: F01B3/00
Filed: 1960-01-28
Abstract: 980,046. Swash plate engines and compressors. F. C. PERROTT. Jan. 18, 1961 [Jan. 28, 1960], No. 39044/64. Divided out of 980,045. Headings F1B and FIN. The subject matter of this Specification is identical with that described in Specification 980,045 but the claims are concerned with the formation of the barrel-shaped cylinder block of a swash-plate engine, pump or compressor, having the cylinders parallel to the axis of rotation of the output shaft, from a number of segments held together by surrounding bands. Specification 980,047 also is referred to.
Patent GB-936547-A (GB)
Title: 6-azacytidine and a method of preparing same
IPC: C07H19/12
Filed: 1961-11-01
Abstract: The invention comprises 6-azacytidine having melting point of 215-6 DEG C., and its preparation by acylating 6-azauridine, then reacting the peracyl derivative so formed with phosphorus pentasulphide and treating the 21,31,51-tri-O-acyl-4-thio-6-azauridine with alcoholic ammonia.
Patent GB-369951-A (GB)
Title: Improvements in and connected with fluid pressure brakes
IPC: B60T13/36
Filed: 1930-12-30
Abstract: 369,951. Fluid - pressure brakes. WESTINGHOUSE BRAKE & SAXBY SIGNAL CO., Ltd., 82, York Road, King's Cross, London. -(Assignees of McCune, J. C. ; Edgewood, Pennsylvania, U.S.A.) Dec. 30, 1930, No. 39191. Convention date, Jan. 2, [Class 103 (i).] If the pressure in the main reservoir or other source of supply of a fluid-pressure brake falls below a predetermined value the reservoir or source is automatically connected to the brake cylinders to apply the brakes. A manually operated valve may be provided whereby the reservoir pressure may be deliberately reduced to obtain an emergency brake application. The equipment comprises the usual manually operated brake valve 1, the valve device 3 for automatically connecting the main reservoir 2 to the brake cylinder 4 and the manually operated emergency valve 5. The parts are normally in the position shown in which the pressure in the main reservoir 2 acting beneath the valve piston 10 holds this piston raised against the pressure of a spring 19 so that the valve 21 is closed by a spring 49 and the valve 22 is unseated. The chamber 28 of a valve piston 11 is thus connected by passage 29, valve 22, passage 27, cavity 50 in the valve 1 and port 51 to atmosphere. A third piston 30 is connected by passage 36 to the main reservoir the pressure in which with the spring 38 raises this piston and the piston 11, seating the valve 31 to close the passage 35 and thus cut off the brake cylinder 4 from the main reservoir 2. The brakes may in these conditions be controlled by the valve device 1 the supply to the brake cylinder being from reservoir 2, passages 15, 17, the rotary valve 7 and passages 27, 34 and release by passages 27, 50 and port 51. If the pressure in the reservoir 2 falls at any time to a pressure such that the spring 19 is able to depress the piston 10, the valves 21, 22 are respectively opened and closed thereby. Main reservoir pressure being thus admitted by passage 29 above the piston 11 and the piston 30 being of lesser area, these pistons are forced downwardly seating the valve 25 to cut off the brake cylinder passage 34 from the pipe 27 and unseating the valve 31 to connect this passage to the reservoir 2 by the passages 35, 15. The seating of the piston 10 also cuts the connection 15, 17 between the reservoir and the valve 1. By operating the lever 48 of the valve device 5 the valve 43 may be opened to connect the reservoir 2 and chamber 16 to atmosphere through the passages 17 and port 411 and thus effect an emergency application of the brakes.
Patent GB-857456-A (GB)
Title: Preparation of derivatives of unsaturated terpene hydrocarbons
Filed: 1957-05-10
Abstract: A process for producing a tertiary allyl ether of the pinane and p-menthane series comprises treating an alpha pinene or an unsaturated hydrocarbon compound of the p-menthane series having as the sole cyclic double bond a carbon-carbon double bond involving the cyclic carbon atom carrying the methyl group and possessing a cyclic methylenic carbon atom alpha to the cyclic double bond and beta with respect to the cyclic carbon atom carrying the methyl group, with molecular chlorine in the presence of an alcohol containing up to three carbon atoms until not more than one mole of chlorine per mole of material being treated is reacted whereby a vicinal chloro-ether derivative of the starting material is formed in which the ether group is attached to the tertiary carbon atom originally involved in the double bond and then dehydrochlorinating the chloro-ether, preferably in situ, by treatment with an alkaline material to form an allylic tertiary ether.  The invention also includes 1-alkoxy-2-p-menthenes, 1-alkoxy-2, 8-p-menthadienes, 1-alkoxy, 2-p-menthene-8-ols, 1-alkoxy-2-pinenes, 1-alkoxy-2-chloro-p-menthanes,1-alkoxy-2-chloro-8-p-menthenes, 1-alkoxy-2-chloro-p-menthene-8-ols, and 1-alkoxy-2-chloro-pinanes in which the alkoxy radical contains up to 3 carbon atoms.  The chlorination is preferably carried out at 15 DEG  C.-20 DEG  C. in the presence of sodium bicarbonate and the dehydrochlorination by heating the chloroether in diethylene glycol in the presence of potassium hydroxide at about 200 DEG  C.  Examples describe the conversion of d-carvomenthene (prepared by hydrogenation of d-limonene) to 1-methoxy-2-chloro-p-menthane with some 6-chloro- and 6-methoxy-1-p-mehthene and then to 1-methoxy-2-p-menthene; of d-limonene to 1-methoxy-2-chloro-8-p-menthene with some 6-chloro-and 6-methoxy-1, 8-p-menthadiene and then to 1-methoxy-2, 8-p-menthadiene with some 1-methoxy-2-chloro-8-p-methene; of a -pinene to 1-methoxy-2-chloro-pinane with some pinocarvyl chloride, pinocarvyl methyl ether and myrtenyl methyl ether, and then to 1-methoxy-2-pinene; of a -terpineol to 1-methoxy-2-chloro-p-menthene-8-ol with some 6-methoxy-and 6-chloro-1-p-menthene-8-ol, and then to 1-methoxy-2-p-menthene-8-ol and 1-methoxy-2, 8-epoxy-p-menthane; and of a -carvomenthene to 1-ethoxy-and 1-isopropoxy-2-chloro-p-menthane.  Details are given of the identification of products and by-products by I.R. spectra, hydrolysis, oxidation and hydrogenation.
Patent GB-1517966-A (GB)
Title: Lintels
IPC: E04C3/02
Filed: 1976-12-24
Abstract: 1517966 Lintels STRESSLINE (PATENTS) Ltd 24 Dec 1976 [25 Sept 1975] 39415/75 Heading E1K A lintel comprises an elongate Z-section member 1 of metal or of rigid plastics material having insulating material 7 located on one side of the web and expanded metal 6 welded or otherwise secured to, and in the same plane as, the base surface of the member 1. The expanded metal may also extend to the upper portion 5.
Patent GB-1137948-A (GB)
Title: Improvements in or relating to fluid flow control valve constructions
IPC: F16K27/04
Filed: 1966-09-05
Abstract: 1,137,948. Valves. GROVE VALVE & REGULATOR CO. 5 Sept., 1966 [3 Sept., 1965; 14 Sept., 1965], No. 39621/66. Heading F2V. The body of a gate valve is made of lower and upper sections 12, 22, Fig. 1, the former comprising opposite end walls 14 forming flow passage 15 and tapped holes for the connection of flanges thereto; a U-shaped element 18 is welded between the walls 14 and both are surmounted by a welded flange 20 supporting the upper section 22, the end walls 24 of which are made of sheet material and expanded to provide concave surfaces. A U-shaped band 28 is welded to the walls 24 and a welded flange 30 thereon abuts the flange 20; the band 28 supports means for receiving the gate actuating means. The gate 40 consists of a ring 42 having a welded dished disc 44 and a valve stem 48 threaded and pinned thereto; each annular face of the ring 42 incorporates a groove housing axially-movable flanged-rings 50, Fig. 4, each carrying a resilient seal 52; the grooves have tapered mouths to provide for compression of the seals. The rings 50 are sealed by O- rings 60 and loaded by springs 70, outward movement of the rings being limited by stop washers 64; each ring 50 embodies a chamfered surface 74 which co-operates with a complementary body surface 76 leading to a reduced diameter body area 78 against which the rings are urged by the springs 70 when the gate is closed; the upstream pressure acting on the gate assists this spring action. If the pressure in the body space exceeds the upstream pressure the upstream ring will be moved to relieve the body pressure into the upstream line. The gate may have a pair of opposed discs 44 which are curved outwardly during manufacture by admitting pressure fluid therebetween. The gate may be reinforced by filling the space between the discs with sand or inserting a sleeve between the discs. The discs may be inwardly curved and welded together at the centre.
Patent GB-1513340-A (GB)
Title: Methyl formate as an adjuvant in phenolic foam formation
IPC: C08L61/04
Filed: 1976-09-24
Abstract: 1513340 Resol/methylformate blends and foams thereof UNION CARBIDE CORP 24 Sept 1976 [26 Sept 1975] 39682/76 Heading C3C A foamable blend comprises (A) 100 parts by wt. of a resol, (B) 0À4-20 parts by wt. of methyl formate and (C) 1,1,2-trichloro-1,2,2- trifluoroethane, the total wt. of (B) and (C) being 2-40 parts and containing 5-80 wt. per cent of (B). Foams are made by polymerizing the above blend in the presence of an acidic polymerization catalyst. In the examples resols A-I were made by condensing phenol with formaldehyde in the presence of potassium hydroxide and the condensates were treated with cation and anion exchange resins (except for I which was treated with KOH solution in place of the anion exchange resin) and the ionexchanged products were then stripped of aq. distillate; the resols were then mixed with a polysiloxane-polyoxyalkylene block copolymer (as surfactant), either fluoboric acid or phenolsulphonic acid (as catalyst), and a mixture of methyl formate and the above trichlorotrifluoroethane as blowing agents and allowed to foam.
Patent GB-1536662-A (GB)
Title: Poultry actuated drinking water valve
IPC: A01K39/02
Filed: 1975-12-15
Abstract: 1536662 Poultry drinking appliances MONO-FLO NIPPLE DRINKERS Ltd 15 Dec 1975 [13 Sept 1974] 39933/74 Heading AIM [Also in Division F2] A drinking water receptacle 40 for poultry is supported by a stirrup 42 below a valve body 2 secured to a pipe line 10, the valve member 16, 18, being opened by the birds.
Patent GB-1334296-A (GB)
Title: 3-aryloxy-8-carbamoylnortropanes
IPC: C07D451/06
Filed: 1971-08-25
Abstract: 1334296 3 - Aryloxy - 8 - carbamoylnortropanes A H ROBINS CO Inc 25 Aug 1971 [31 Aug 1970] 39945/71 Heading C2C Novel compounds of the Formula I wherein R<SP>1</SP> and R<SP>2</SP> each represent hydrogen, C 1-8  alkyl or phenyl; R<SP>3</SP> is hydrogen, bromine, chlorine or trifluoromethyl; and X is oxygen or sulphur may be prepared by reaction of a compound II with (a) alkyl or phenyl isocyanates or isothiocyanates; (b) N,N-disubstituted carbamoyl halides and N,N-disubstituted thiocarbamoyl halides, R<SP>1</SP>R<SP>2</SP>NCOY, wherein Y is a halogen or (c) when R<SP>1</SP>=R<SP>2</SP>=H, with nitrourea or nitroisothiourea, NO 2 NHOXNH 2 . The intermediate of the Formula II may be prepared by debenzylation of the appropriate 8-benzyl - 3 - phenoxynortropane either by hydrogenation or when R<SP>3</SP> is bromine or chlorine by reaction with cyanogen bromide to form the 8 - cyano - 3 - phenoxynortropane followed by hydrolysis. The 8 - benzyl - 3 - phenoxynortropane derivatives may be formed by reaction of 8-benzyl nortropine with a strong base followed by the appropriately substituted fluorobenzene. Pharmaceutical compositions of the compounds I show anti-convulsant activity when administered orally with the usual excipients.