baber/WOPTO huggingface dataset:
Patent GB-162607-A (GB)
Title: Improvements in or relating to petrol gas generators
IPC: C10J1/00
Filed: 1920-12-15
Abstract: 162,607. Wise, F. Dec. 15, 1920. Carburetting.-Relates to petrol-gas generators, of the type comprising a gas-holder and an air-holder, wherein the bell top of the gas-holder, when gas is expended, actuates means for controlling the bell top of the air-holder, whereby the gas-holder is re-charged and the air-holder actuates means whereby it is automatically re-filled with air when empty. The air-bell b, Figs. 1 and 2, is suspended from a pulley h, free to rotate on the shaft g, bv a chain f, the shaft g being rotated by an external source of power. Fixed to the shaft g is a two-stepped cam m, m<1>, the cam m<1> being normally engaged by the fork z of a Y-shaped arm y, Fig. 4, pivoted to an extension x on the pulley h, this arm y having a roller 3 adapted to be engaged by a plate 4 secured to an arm n. Assuming the gas-holder d to be full and the air-holder empty, the striker f of the gas-bell acting on the lug 16 attached to the rod 15 causes the lever 13 to bear on the underside of the lever s and prevents it from disengaging with the cam m. On the gas-bell falling, the lever 13 falls and the weighted lever v operates the rod t and rotates the lever s about its fulcrum r, thus allowing the shaft g and pulley h to rotate in a direction to raise the air-bell. The weighted lever v on the rod t returns the arm s to its normal position, and when one revolution of the cam has taken place the arm s arrests the rotation of the cam. The air-bell having risen, its striker e engages the lug q, thus raising the rod p and with it the arm n and plate 4, thus lifting the Y-shaped arm y out of engagement with the step m<1> of the cam and allowing the pulley h to rotate on the shaft in a contrary direction, thus causing the air bell to fall and forcing the gas bell to rise.
Patent GB-467072-A (GB)
Title: A device for automatically regulating the amount of fuel injection
IPC: F02D1/00
Filed: 1936-12-28
Abstract: 467,072. Fluid-pressure servomotorcontrol systems. MITSUBISHI JUKOGYO KABUSHIKI KAISHA. Dec. 28, 1936, No. 35524. Convention date, Dec. 30, 1935. [Class 135] A fuel-injection pump regulated by a fluidpressure servomotor controlled by the pressure in the air inlet pipe to the engine has the manually adjusted throttle in the air conduit coupled to an accelerating piston associated with the servomotor whereby any variation of air supply is promptly followed by a variation in the fuel supply. The piston valve 7 controlling the operation of the piston 12 is actuated by an aneroid bellows 6 housed in a chamber 5 connected by a pipe 4 with the air inlet pipe 3 to the engine 1. The power piston is connected to the regulating member 21 of the fuel pump by a lever 17, which lever is also coupled to the bellows anchorage whereby a follow-up effect is obtained. The accelerating piston 23 works in a cylinder 24 connected by passages 25, 26 with the main power cylinder on opposite piston, so that a rapid movement of the piston transfers oil from one side to the other causing an adjustment of the fuel-pump independently of the auxiliary valve control.
Patent GB-1405520-A (GB)
IPC: E21F9/00
Filed: 1973-07-26
Abstract: 1405520 Mining machines EICKHOFF MASCHINENFABRIK U EISENGIESSEREI mbH Gebr 26 July 1973 [8 Sept 1972] 35602/73 Heading E1F [Also in Division H2] A control unit has for sealing its pressureproof chamber 1 a removable insert acting as a cable lead in and having a flame-proof chamber 7 containing terminals 8 connected to coupling members 16 which couple them to the control means of the apparatus in space 10 of the pressure-proof chamber 1. In collar 11 are one or more bolts 15, over which are slipped and secured insulating spacers 18 and circuit boards 17 bearing members 16 and having peripherally spaced pairs of plugs 20, 21 to connect terminals 8 via members 16 to the control means. Protective tube 12 is detachably secured by screws 13 on collar 11 and has diametrically opposed windows 14 adjacent plugs 20, 21. The insert 2, sealed by cover 6, is held onto chamber 1 by screws 5 and has outlets 9, through which heads pass to an external switch 26 (Fig. 3 not shown). Bolts 15 are on a common pitch circle diameter. A wiring diagram (Fig. 3 not shown) shows the primary of transformer (22) of member 16 connected with the control apparatus 4 and the secondary connected via terminals 8 and intrinsically-safe circuit (25) to switch (26). Other apparatus is included. It explains how closing switch (26) brings control apparatus (4) into operation.
Patent GB-1312707-A (GB)
Title: Sulphur cross-linkable moulding materials
IPC: C08L33/00
Filed: 1970-07-23
Abstract: 1312707 Polyolefin compositions CHEMISCHE WERKE HULS AG 23 July 1970 [24 July 1969] 35674/70 Heading C3P Compositions which can be crosslinked with sulphur comprise (a) 99À5 to 10 weight per cent of partly crystalline polybutene-1, optionally containing up to 40 weight per cent of atactic polybutene-1, having a reduced specific viscosity of 2 to 6 and a density of 0À910 to 0À920 g./c.c.; (b) up to 80 weight per cent of a homopolymer of propylene or copolymer of propylene with up to 10 weight per cent of ethylene or butene-1, having a reduced specific viscosity of 2 to 5 and a density of 0À901 to 0À907 g./c.c.; and (c) 0À4 to 20 weight per cent of a sulphurvulcanizable unsaturated rubber. Specified rubbers are butadiene/styrene copolymers, butyl rubbers, cis-1,4-polybutadiene, ethylene/propylene/dicyclopentadiene copolymers, masticated natural rubber and butadiene/acrylonitrile copolymers. The compositions may also contain sulphur, stearic acid, zinc oxide and conventional accelerators, stabilizers and lubricants, and may be used for making tubes and for insulating electrical conductors. Examples describe compositions comprising polybutene-1, 4,4<SP>1</SP>-butylidene bis(6-t-butyl-m-cresol), dilauryl thiodipropionate, calcium stearate, sulphur, tetramethyl thiuram disulphide, stearic acid and zinc oxide, together with (1) butyl rubber and acetylene black, and polypropolene (2) ethylene/propylene/dicyclopentadiene rubber and polypropylene or propylene/butene-1 copolymer.
Patent GB-334901-A (GB)
Title: Improvements in or relating to railway signalling arrangements
IPC: B61L7/08
Filed: 1929-05-06
Abstract: 334,901. Associated Telephone & Telegraph Co. May 5, 1928, [Convention date]. Divided on 311,188. Selective distant control systems; tell-talc apparatus.-Relates to an arrangement for selectively operating railway signals and supervising the position of trains on different sections of track by means of stepping switches located at each signal or section. The system described is identical with that described in Specification 311,188, but the claims relate to railway signalling systems in which the selection of a signal by a characteristic series of impulses is checked by a second series of impulses to prevent in. correct operation. The second series of impulses consists of impulses transmitted individually after each impulse of the selecting series and the arrangement is such that each selecting impulse is transmitted successively from one signal position or track section to the next, and a checking impulse is transmitted back to the controlling point before the succeeding selecting impulse can be transmitted. Specifications 252,230, 252,231, 277,590, 278,746, and 298,470 are referred to.
Patent GB-773817-A (GB)
Title: Circuit arrangement to couple signals in two different frequency bands
IPC: H03H7/01
Filed: 1954-12-10
Abstract: 773,817. Radio receiving apparatus. STANDARD TELEPHONES & CABLES, Ltd. Dec. 10, 1954 [Dec. 16, 1953], No. 35795/54. Class 40(5) In a radio receiver having two alternative intermediate frequencies, e.g. 470 kc/s for normal amplitude-modulated reception and 10.7 Mc/s for V.H.F. frequencymodulated reception, the circuits coupling two valves of the intermediate frequency amplifier comprise a pair of inductively coupled circuits tuned to the lower intermediate frequency, a single tuned circuit tuned to the higher intermediate frequency and a switch so arranged that in its first position signals are coupled via the pair of inductively coupled circuits while in its second position signals are coupled via the single tuned circuit. Thus when switch contact 12, Fig. 3, is turned to the left, signals from valve 2 are coupled via transformer primary 11 tuned by capacitor 14 to- 470 kc/s, and tuned secondary 7 to the valve 3. When contact 12 is moved to the right, components 11 and 14 provide a choke-capacitor coupling, the circuit being tuned to 10.7 Mc/s by circuit 6. Fig. 2 shows a known arrangement m which the anode circuit of valve 2 comprises two series-arranged tuned circuits I, II signals from valve 2 being coupled to valve 3 by capacitor 10a in one position of the switch 16' and via tuned secondary III in the other position of the switch.
Patent GB-886084-A (GB)
Title: Aqueous hypochlorite solution containing a hypochlorite-resistant perfume
Inventor: GIBBONS GEORGE CUTHBERT
IPC: D06L4/23
Filed: 1959-10-22
Abstract: An aqueous solution of a hypochlorite suitable for laundry and general domestic bleaching contains a hypochlorite-resistant perfume and a surface active agent which is an internally compensated quaternary ammonium compound of the betaine type which is soluble in the hypochlorite solution.  Suitable surface active agents are of the formula <FORM:0886084/IV (c)/1> and <FORM:0886084/IV (c)/2> To perfume the concentrated hypochlorite solution, e.g. sodium hypochlorite, prior to dilution for use, 0.025% by weight of lavender oil may be added and dispersed with 0.008%-0.03% by weight of <FORM:0886084/IV (c)/3> but if it is desired to perfume the working solution itself not less than ten times the amount of perfume must usually be added to the concentrate with correspondingly increased amounts of surface active agent.  The solutions exhibit foaming properties.ALSO:An aqueous solution of a hypochlorite suitable for sterilizing purposes contains a hypochlorite-resistant perfume and a surface-active agent which is an internally compensated quaternary ammonium compound of the betaine type which is soluble in the hypochlorite solution.  Suitable surface-active agents are of the formula <FORM:0886084/VI/1> e.g. <FORM:0886084/VI/2> and <FORM:0886084/VI/3> To perfume the concentrated hypochlorite solution, e.g. sodium hypochlorite, prior to dilution for use, 0.025% by weight of lavender oil may be added and dispersed with 0.008-0.03% by weight of <FORM:0886084/VI/4> , but if it is desired to perfume the working solution itself not less than ten times the amount of perfume must usually be added to the concentrate, with correspondingly increased amounts of surface-active agent.  The solutions exhibit foaming properties.
Patent GB-446447-A (GB)
Title: Improvements relating to machines for facilitating the stringing of rackets for playing games
IPC: A63B51/14
Filed: 1934-12-14
Abstract: 446,447. Racket-stringing machines. PROSSER & SONS, Ltd., T. H., 548, Holloway Road, Holloway, and JAFFE, W. E. B., 88, Elm Park Road, Chelsea, both in London. Dec. 14, 1934, No. 35909. [Class 132 (ii)] In a racket-stringing machine, the strings are temporarily held during stringing by clamps.depending from and adjustable along arms adjustable along four horizontal bars mounted on the rotatable racket frame supporting head above the racket frame, and located respectively by the sides and across the head and handle ends of the racket frame. Secured to the racket frame support a are posts b, Figs. 1, 2, arranged at the corners of a rectangle, the sides of which are parallel to the longitudinal and transverse axes of a racket when mounted on support a. Slidably mounted on each post b is a sleeve c adjustable in height by means of nuts d, e threaded on the posts. Rotatably mounted about horizontal axes in each sleeve c are two bushes f, one of which is fixed to a spindle i, Fig. 3, rotatable, by means of a spring-pressed head i<1> splined thereto, to two terminal positions substantially perpendicular to each other, the spindle i being locked in each of these positions by flats i<4> on the head i<1> engaging in a groove c<2> in sleeve c. In one position of a bush f a slot g therein is aligned with a slot c<1> in sleeve c, whereby a horizontal bar h may be detachably secured between two bushes f as shown in Figs. 1, 2 by passing reduced portions thereof through slots c<1> into the slots g and then rotating the bushes f to their other position through the head i<1>. A sleeve (or sleeves) j is slidable along each bar h and may be fixed thereto by a set screw j<1>. An arm k is pivoted in each sleeve j for horizontal movement limited by adjustable eccentrics n, and at its opposite end each arm k is fitted with a bolt m detachably engaging in a groove h<1> in the opposite bar h. Slidable along each arm k is a clamp l adapted to be fixed to the arm by rotating an arm o<1>, Fig. 10, which through a cam o and a member o<2> locks the serrated lower edge of arm k to the clamp. The string clamping jaws l<1>, l<2> are slidably adjustable vertically relative to the arm k by a screw p and are closed by nuts r<1>, r<2> acting in opposition to a spring q. In use, when stringing either the mains or cross strings, the bars h corresponding to the other strings are either temporarily removed or rocked to raise their arms k from the racket. Specifications 332,920, [CLass 132 (ii)], and 429,034 are referred to.
Patent GB-961907-A (GB)
Title: Pyrazolopyrimidine derivative and process for preparing it
IPC: C07D487/04
Filed: 1962-09-20
Abstract: The invention comprises the compound of formula: <FORM:0961907/C1/1> its acid addition salts and its preparation by condensing 3, 4-dimethyl-5-aminopyrazole with an a -dialkoxymethylpropionitrile (which can be prepared by reducing the acrylonitrile) or with an a -alkoxymethylenepropionitrile (prepared by heating the dialkoxy compound with an acidic catalyst).  Pharmaceutical preparations containing the compound I and its salts are mentioned for enteral and parenteral application using solid (tablets, dragees, capsules) or liquid (solutions, emulsions) carriers.  The compound has antipyretic, analgesic and anti-inflammatory properties. Specification 788,140 is referred to.
Patent GB-949749-A (GB)
Title: Reinforced, multi-ply stay tape
IPC: C09J7/20
Filed: 1962-09-21
Abstract: 949,749. Laminates and laminating. ST. REGIS PAPER CO. Sept. 21, 1962 [Sept. 27, 1961], No. 36044/62. Heading B5N. [Also in Division B8] An adhesive tape, particularly for sealing the edges of cartons, comprises two paper or other layers 10, 11 (shown in fragmentary end view in Fig. 2) secured together by adhesive, such as a polyamide or polyvinyl acetate, along thin margins leaving an unsecured centre region 13, and having on the side coated with pressuresensitive adhesive 14 one or more, preferably two or three, reinforcing threads 15, 16, 17, comprising fine filaments of nylon, glass or cotton, but preferably of rayon, having little or zero twist and dressed, preferably immediately before application, with a size such as a polybutadiene/styrene latex or polyvinyl chloride/acetate. The threads are stated to be flattened when the tape is rolled up. The threads facilitate the tidy removal of the tape from cartons, for which purpose (a) the whole tape may be removed by grasping the threads at one end, to permit which a portion of the carton is painted with a greasy agent, or (b) the end of the tape may be slit on either side of the threads, which may then be torn from the carton and the tape. In apparatus for making the tape, preferably in the form of wide webs subsequently slit, a paper web 46, Fig. 9, is adhesive-coated in strips by apparatus 47 and is formed into a laminate with a web 45, the laminate being dried on a heated roller 50 and in a chamber 51, coated with pressuresensitive adhesive at 52 and united at 57 with groups of threads 53, 54, 55 which have been sized at 56, the completed web being dried in chamber 58 and wound up at 59.
Patent GB-1524198-A (GB)
Title: Curdling tank
IPC: A01J25/02
Filed: 1975-09-02
Abstract: The cheese tank, which is designed as a trough with a semi-cylindrical outside surface (2), is provided with a drive shaft (4) which is situated above the maximum filling level (18). The said shaft (4) supports radially projecting stirring elements (6) and cutting elements (7) and is made to rotate in a reciprocating manner so that it is possible only to immerse one or other of the types of element in the contents of the tank if this should be required; the reciprocating movement is programmable. Drawing off apertures (13) for whey and an outlet (16) for emptying and rinsing are mounted in one of the end faces (3) of the tank. Because separate elements are provided for stirring and cutting and can in each case be used on their own, according to the rotary movement of the shaft, much larger cheese tanks can be produced, in which processing quality is nonetheless the same as in tanks which have to be small to permit manual processing. <IMAGE>
Patent GB-1331028-A (GB)
Title: Method of soldering a semiconductor plate
IPC: H01L21/60
Filed: 1972-08-02
Abstract: 1331028 Soldering MATSUSHITA ELECTRONICS CORP 2 Aug 1972 [7 Aug 1971 7 Feb 1972] 36135/72 Heading B3R A method of soldering a semi-conductor to a metal substrate comprises supplying molten solder along a groove in the surface of the substrate, the groove extending underneath the semi-conductor. A silicon plate 1 having a layer of nickel 2 is placed on a metal, e.g. copper, substrate 1 having a groove 7 extending beneath the plate. A ceramic jig 9 is placed over the plate 1 so that a funnelled hole 10, 11 is positioned over the groove 7 and a solid body 8 of solder is placed in the funnel portion 11. On heating the assembly, the solder melts and flows through the hole 10 and along the groove 7 to the bonding surfaces, capillary action ensuring that the solder spreads to the outer edges of the plate 1. In an alternative arrangement the groove extends from a recessed portion (6, Figs. 2a, 2b, not shown) in the surface of the substrate itself, the solid body of solder being placed in this recess.
Patent GB-1218588-A (GB)
Title: Method and means for eliminating beam reflection errors in a doppler radar system
IPC: G01S13/60
Filed: 1968-07-30
Abstract: 1,218,588. Radar. SINGER-GENERAL PRECISION Inc. 30 July, 1968 [15 Sept., 1967], No. 36194/68. Heading H4D. In an airborne Doppler radar system utilizing two beams which partially overlap at the earth's surface the ensuing unequal echo spectra 12<SP>111</SP>, 14<SP>111</SP>, Fig. 4 ,  when travelling over water are known to have been investigated (Specification 3,113,308) utilizing a very narrow pass-band filter to be positioned at the crossover frequeney #0 so as to reduce " calibration shift " error. This is stated to lead to fluctuation error and in the present invention wide band filtering is employed in such a way as to reduce fluctuation error and eliminate calibration shift error. Ideally, minimum fluctuation errornecessitates a filter bandwidth equal to the spectrum width. Frequencies F o , F 1  and F 2  are derived where F o  is the apparent cross-over frequency and frequencies F 1 , F 2  are symmetrical on the corresponding spectra with respect to F 0 . In the embodiment a quantity proportional to (3F o /4 + F 1 /8 + F 2 /8) is formed and it is shown that this sum is equal to the true cross-over frequency fo. All filters have passbands centred on zero frequency and the various spectra are positioned relative thereto by heterodnying in mixres 32, 34, Fig. 5. The contacts 24a, 24b, 24c are operated in synchronism with the aerial lobe switching corresponding to the two overlapping beams and frequency tracking loops control oscillators 78, 80, 82 to produce frequencies F o , F 1 , F 2  respectively. A frequency (F 1  + F 2 )/6 is produced on line 95 and added in single-sideband modulator 97 to frequency F o  thereby giving a final frequency proportional to (3F o /4 + F 1 /8 + F 2 /8). To compensate for varying Doppler spectrum width with aircraft speed, the passbands of filters 36, 38, 40, 42 may be varied in direct proportion to the output frequency on line 99. Only two filters may be necessary. Reference has been directed by the Comptroller to Specification 834,493.
Patent GB-1521480-A (GB)
Title: Monitoring identified electrical signals
IPC: H03K5/26
Filed: 1975-09-03
Abstract: 1521480 Selective signalling IMPERIAL CHEMICAL INDUSTRIES Ltd 23 Aug 1976 [3 Sept 1975] 36275/75 Heading G4H In a system for monitoring a plurality of identified electric signals (e.g. indicating tripping out of respective electric contacts) and the order in which they occur, each signal causes a respective parallel latch system to store a count from a counter, which is incremented in response to each signal, and to display the count on a respective (to the signal) display via a respective display decoder. A single common counter may be used, or each signal may have a respective counter (though all the counters are incremented by all the signals) to permit standard counter-latch-decoder integrated circuits to be used. A push-button switch to reset the counter(s) and latch systems is provided.
Patent GB-522532-A (GB)
Title: Improvements in or relating to paring or coring tools
IPC: A47J17/02
Filed: 1938-12-13
Abstract: 522,532. Dressing fruit and vegetables. PLATERS & STAMPERS, Ltd. Dec. 13, 1938, No. 36319. Convention date, Oct. 19. [Class 28 (ii)] In a paring or coring tool, the blade 10 is revolubly mounted in the handle 23. The blade is made from a blank, Fig. 2, the edges 17, 18 of the slot 16 being sharpened to form cutting edges and the metal on each side of the slot being bent up to form a channel section. A cranked part 15 joins the blade with a shank 13, bent into tubular form to be accommodated in a sleeve 21 which is driven into a bore 22 in the handle, a barb 25, formed integrally with the sleeve, securing the sleeve in the bore. The shank 13 has a slot 27 which receives an ear 26, struck-in from the sleeve 21, so that the pivotal movement of the shank in the handle is limited, and the shank cannot be withdrawn from the sleeve. A ferrule 24 is provided on the handle. In a modification, the shank 13 has an outturned tongue, at its end, which is engaged in a notch cut in the corresponding end of the sleeve 21. The point 19 of the blade is formed for coring.
Patent GB-322110-A (GB)
Title: Improvements in friction clutches or couplings
IPC: F16D13/70
Filed: 1928-12-10
Abstract: 322,110. Taylor, L. Dec. 10, 1928. Friction clutches. - A friction disc c, having prepared faces c<1> and sliding on pins c<2> within the female half a keyed to the driven shaft b, is gripped on engagement between the flange d<1>, e<1> of sleeves mounted on the driving shaft s. 'The sleeves d, e have grooves d<3> and slots e<3> respectively, and cranked levers hare pivoted in the inner sleeve and project through the slots e<3>. A screw ring i on the sleeve e<2> is engaged by noses h<1> of the levers h and is adjustable to allow for wear of the disc. The clutch is engaged by advancing a ring j, which depresses the levers and causes the noses h<1> to press against the ring i and force the flange e<1> against the disc. Springs f tend to press apart the gripping flanges d', e<1>, prevented from relative rotation by guide pins g. The position of the levers with regard to the sleeves may be reversed, with the screwed ring threaded on tne inner sleeve. The levers may have rollers h<x> to facilitate their engagement by the striking sleeve.