baber/WOPTO huggingface dataset:
Patent GB-1103219-A (GB)
Title: Analog-digital converter
IPC: H03M1/00
Filed: 1966-06-17
Abstract: 1,103,219. Analogue-digital converters. INDUCTOSYN Ltd. 17 June, 1965 [25 June, 1964], No. 25657/65. Heading G4H. The angular displacement of a shaft 43 (Fig. 1A) is digitized by means of movable transformer elements rotating with the shaft. a resolver measuring the coarse position and an " Inductosyn " (Registered Trade Mark) measuring the fine position. The phase modulated sine wave output from the Inductosyn is applied to a zero cross detector 52 to give a time differentiated output pulse to inhibit a fine gate 56 from counting clock pulses. The output from the fine gate is fed to a fine counter 65. In a similar way the output from the resolver 22 is applied to a zero cross detector 53 to inhibit the gate 57, through which pulses from a coarse clock have been sent to a coarse counter 66. The outputs from the counters may be used to illuminate a display 81. In addition the output from the fine counter is applied to a digital to analogue converter 74 the output from which is used to bias the coarse zero crossing detector 53 to retard the advance of the coarse stop pulse until the Inductosyn cycle is completed.
Patent GB-1149942-A (GB)
Title: Machine for removing backing sheets from thin laminates
IPC: B65C11/00
Filed: 1966-06-09
Abstract: 1,149,942. Printing apparatus; transferring mechanism. EASCO LEASING CORP. 9 June, 1966 [10 June, 1965], No. 25658/66. Addition to 1,098,039. Heading B6C. A machine as substantially described in Specification 1,098,039, in which the adhesive is solvent activable and is subjected to a solvent immediately after the removal of the backing sheet. As shown in Fig. 3, after the applique has been stripped from the backing sheet 33a by the blade 31a it passes adhesive side down over a solvent-carrying roller 102 rotating in a solvent bath 106.
Patent GB-1073500-A (GB)
Title: Improvements in heating installations for buildings
IPC: F24D5/08
Filed: 1964-09-10
Abstract: 1,073,500. Heating systems for buildings. H. K. LEISTRITZ. Sep. 10, 1964 [June 18, 1964], No. 25661/66. Divided out of 1,073,499. Heading F4U. In room heating systems employing metal pipes 99 through which pass hot gases from a burner the pipes are enclosed or surrounded by casings 65, 66 which restrict the heat convection from the pipes and are adapted to be hingedly spaced from the pipes to regulate the heat transmission. The heating pipe 99 may be mounted beneath a ceiling 73 and the insulating casings 65, 66 are hinged on an axis 67 on the wall surface of the pipe and have apertures 70 allowing upward flow of the air. When the casings are closed the openings 70 are closed by insulating bodies 69 mounted on the pipe 99. Some of the heating pipes are upright and are insulated where they pass through ceilings and walls. Throttle valves may be provided in the heating pipes.
Patent GB-264232-A (GB)
Title: Improvements in or relating to motor mowing machines of the lawn-mower type
IPC: A01D34/47
Filed: 1925-10-14
Abstract: 264,232. Tangent Tool Engineering Co., Ltd., Smith, E. M., and Death, H. N. Oct. 14, 1925. Clutches, friction. - In a motor mowing- machine of the lawn-mower type a friction ring G is provided in a driven sprocket wheel E on the shaft D of the main roller and another friction ring J on a clutch element H splined on the shaft D, the two rings being adapted to engage with faces L<1>, K<1> on the sections L, K of the roller. A plate N loaded by a spring O bears against the element H through a ball race P, the other end of the spring bearing against a nut Q on the shaft D through a ball race R. Rods S connect the plate N with a cross-head T engaged by a hand-lever U extending to the handle of the machine. The face L<1> is at the outer end of the roller section L and the face K<1> disposed within the section K so that the spring &c. may be housed within the roller, which is capable of some axial movement on the shaft D.
Patent GB-757773-A (GB)
Title: Improvements in polymerizable nitrile and polymeric product obtained therefrom
Inventor: CAIRNS THEODORE LE SUEUR
IPC: A01N37/34
Filed: 1954-09-13
Abstract: Polymers of tetracyanoethylene are made by polymerizing it alone or in admixture with other monomers, preferably in presence of a polymerization catalyst.  The polymerization may be effected in bulk, in organic solvent solution, e.g. benzene, or by the addition of aqueous ammonium or sodium hydroxide solutions. Other monomers mentioned are acrylonitrile, ethylene, isobutylene, propylene and styrene.  Specified catalysts are a :a 1-azobis-(a :g -dimethylvaleronitrile) and di-(tertiarybutyl) peroxide.  The polymers may be used for electrical insulation purposes.ALSO:The invention comprises tetracyanoethylene and the preparation thereof by reacting malononitrile with sulphur monochloride under anhydrous conditions and preferably in an inert liquid diluent. The molar ratio of sulphur monochloride to malononitrile is preferably within the range of 1:2 to 2:1, and the reaction is preferably conducted at temperatures of 50-125 DEG  C.  The crude tetracyanoethylene may be purified by sublimation to give a white crystalline product.
Patent GB-1018705-A (GB)
Title: Improvements in or relating to apparatus responsive to the rotation of a rotatable member
Inventor: TOPP IVOR BERNARD
IPC: H02K21/38
Filed: 1963-06-28
Abstract: 1,018,705. Tachometer-generators. S. SMITH & SONS (ENGLAND) Ltd. Aug. 28, 1964 [June 28, 1963], No. 25738/63. Heading H2A. A tachometer-generator comprises a pick-up coil 8 on a magnetic rod 4 which is polarized by a magnet 3 at one end and whose other end is close to a rotating magnetic member 12 which induces measurable ripples in the coil flux. The active end of the rod may carry an adjustable pole-piece which may be of various shapes, and is surrounded by a flux-return cylinder. The open end of this cylinder may be castellated.
Patent GB-1438975-A (GB)
Title: Transit-time amplifier tubes
IPC: H01J25/38
Filed: 1973-05-30
Abstract: 1438975 Travelling wave tubes SIEMENS AG 30 May 1973 [31 July 1972] 25766/73 Heading H1D Undulations in the gain-frequency characteristic of a travelling-wave tube amplifier having a delay line arranged between, and perpendicular to, an input waveguide and an output waveguide, due to reflections of the wave at planes of discontinuity, e.g. the ends of the delay line, are reduced by the provision of an adjustable reflecting probe element located within the input or output waveguide and spaced from the axis of the delay line. In the travelling-wave tube shown, having a coupled-cavity delay line provided with an altenuation section 16, the reflecting element 8, 9, positioned #/4 form the ends of the delay line in the axial direction of the latter, are in the form of threaded probes 11 mounted in metal bellows 14 to permit adjustment both into ahe waveguide and axially thereof in a slot 15. Alternatively, they may be formed of magnetic material, such that they may be moved from outside the waveguide by a magnetic ring encircling the latter. Further reflecting elements 23, 24 may be located beyond the windows 17, 18, to compensate for reflection threat.
Patent GB-338903-A (GB)
Title: Improvements in or relating to wireless receiving apparatus
IPC: H03J1/12
Filed: 1929-08-23
Abstract: 338,903. Routin, J. L. March 7, 1929, [Convention date]. Addition to 316,985. Wireless tuning-apparatus, indicating devices for.-The indicating-elements of the ratio tuning devices claimed in the parent Specification have the vane 1, inscribed with wavelength scales &c. and covering either the scale 12 or 13, detachably mounted in upper and lower seatings 9, 5 engaged by bearing members 3, 4 carried by the vane, the upper seating 9 being biased axially by a leaf spring 11. The charts with calibrated curves a, a<1> and A, A<1> are carried by the rotatable members of the condensers, and switches 7, 8 are provided for changing wavelength ranges. The housing 16 is provided with a slidable translucent window 17 illuminated by a lamp 18 for lighting the indicating-elements and excluding dust.
Patent GB-599180-A (GB)
Title: Improvements in or relating to draw benches for bars, rods, tubes and the like
IPC: B21C1/28
Filed: 1945-10-04
Abstract: 599,180. Drawing. YORKSHIRE COPPER WORKS, Ltd., and CONE, J. R. Oct. 4, 1945, No. 25853. [Class 83 (iv)] In a draw-bench stock-gripping devices are mounted on an endless chain. Stock c is drawn through a die a by pivoted dogs f, g, mounted on a chain d. The dogs are spring-urged to the open position and are initially closed by engagement with hinged members m, n.
Patent GB-1104942-A (GB)
Title: Titanium alloys
Inventor: EVANS EVAN WILLIAM
IPC: C22C14/00
Filed: 1964-06-23
Abstract: A titanium base alloy comprise:-  <TABS:1104942/C6-C7/1> the balance being titanium.  The alloy may be hot worked (e.g. at 1000 DEG  - 1200 DEG C. and machined after heating to 900 DEG C. followed by air cooling.
Patent GB-359124-A (GB)
Title: Improvements in grain dressing machines and the like
IPC: B02B3/02
Filed: 1930-09-01
Abstract: 359,124. Dressing grain. PRAHL, F., Bad Wilsnack, Germany. Sept. 1, 1930, No. 26032. [Class 58.] Grain is fed from a hopper 31 by distributing ribs 30, 68 into a chamber 40 between two shelling discs 9, 10 rotated in opposite directions. The shelling discs are mounted in cup-shaped metal discs 19, 20 that are secured to carrier discs 17, 18, by bolts. The peripheries of the discs 9, 10 are formed with ratchet-like steps 15 and a perforated band 44 is arranged as a boundary to an annular collecting chamber 14 around the discs. This band is provided with a number of perforated doors 46 controlled by springs or weights 59. The individual grains, decorticated by friction between themselves and the discs 9, 10, pass to the collecting chamber 14 and, forcing the doors 46 open, escape into a chamber 41 and thence through an outlet 60 to a collecting receptacle. Fan blades 35 on the disc 18 induce a current of air through the material under treatment, drawing off husks, dust and waste and discharging them through an outlet 38. In a modified apparatus the grain, after being shelled, is subjected to the action of brushes.
Patent GB-909328-A (GB)
Title: Improvements relating to the suspension of motor car axle gears
IPC: B60G99/00
Filed: 1961-07-18
Abstract: 909,328. Road vehicle axles. DAIMLER-BENZ A.G. July 18, 1961 [July 22, 1960], No. 26045/61. Class 79(4). [Also in Group XXXII] A motor vehicle axle comprising two swinging half axles is suspended from the vehicle body, frame or auxiliary frame by two suspension arms, one disposed in front of and the other behind the axle gear and which are swingable longitudinally of the vehicle and pivotally connected with the axle gear, the axle gear being braced transversely by a guide link. The axle comprises two half axles 2 and an axle gear 3 which are braced to the car body longitudinally of the vehicle by thrust guide links. As shown. the axle is connected to an auxiliary frame 6 comprising a transverse tube and abutments and supports at its ends for pneumatic springs 4 and shock absorbers 5 by which it is connected to the axles. The frame 6 is connected to the main frame by resilient bearings and the axle is suspended from the auxiliary frame by two suspension arms 7 resiliently mounted in brackets 8 connected to the auxiliary frames. At their lower ends the arms 7 resiliently support by bearings 10 the pivot member 11 of the half axles. A transverse link 12, adjustable in length is connected to one of the rubber bearings 10 and a rubber bearing 13 in a support member of the auxiliary frame.
Patent GB-1518908-A (GB)
Title: Pressure control devices for aircraft pyrotechnical load ejectors
IPC: G05D16/10
Filed: 1976-06-23
Abstract: 1518908 Generating combustion products under pressure R ALKAN & CIE 23 June 1976 [2 July 1975] 26079/76 Heading F1L [Also in Division F2] A load ejector for an aircraft has a main body 1 in which a spring-loaded spool 9 is displaced by increasing gas-pressure in an outlet 16 to throttle the flow from pyrotechnic charges in cavities 6, 7, detachable components 2, 4 and 5 permitting access to an actuating piston 23, the return spring 10 and the gas passages for cleaning purposes. The spool is mounted in anti-friction bushings 21, 22 and the body 1 is detachably connected to the aircraft by studs 26, 27. A further cavity 8 contains an emergency charge and the flow from the outlet 16 may be further controlled by cocks 17, 18.
Patent GB-686966-A (GB)
Title: Improvements relating to cyclone dust separators
IPC: B04C3/00
Filed: 1951-11-09
Abstract: 686,966. Centrifugal separators. HEINRICH, R. F. Nov. 9 1951, No. 26271/51. Class 23 In a cyclone dust separator a helical strip 4 is mounted at the dust outlet coaxially with the body part 1, one end of the strip being attached to the body and the other end being free to vibrate. The strip has less than one complete turn, the discharging dust passing through the gap in the strip's periphery. A stop 5, which may be adjustable, is provided on the body to limit vibration of the strip.
Patent GB-874276-A (GB)
Title: Improvements in and relating to the mountings of radiation pyrometers
Inventor: BANYARD AUGUSTUS WILLIAM HENRY
IPC: G01K1/08
Filed: 1958-08-15
Abstract: 874,276. Radiation pyrometers. LOEWY ENGINEERING CO. Ltd. Nov. 16, 1959 [Aug. 15, 1958], No. 26280/58. Class 40(3) [Also in Groups XI and XX] A mounting for a radiation pyrometer associated with an electric induction heater for metal workpieces is provided with a gas-tight enclosure around the space between the heating coil and the pyrometer. The coil 10 of the heater comprises circular turns 11 held by vertical rods 14 between plates 12, 13 and provided with a channel 15 for the circulation of cooling fluid. Heat from a workpiece W passes through a shaped orifice in a liner 16, a hole 21 formed between adjacent turns 11 of the coil 10 and through a lens system 22 to the responsive member of the pyrometer 20 which is mounted in a ring 24 attached to brackets 25 soldered to the turns 11<SP>1</SP>, 11<SP>11</SP>. The gas-tight enclosure is formed by a tubular member 26 having a flange 28 secured to the disc member 24 and engaging in a recess in an annular member 27 moulded directly on to the coil turns 11 surrounding the hole 21. A purging gas, which may be nitrogen, hydrogen, burnt coal gas, argon or helium, is fed by a pipe 29 and fitting 30 to the interior of the tube 23 enclosing the pyrometer 20 and is at a pressure slightly above that of the air surrounding the workpiece W. The purging gas may be introduced directly into the tubular shield 26 with sealing means provided between the member 26 and the pyrometer 20 or its supporting disc member 24.
Patent GB-1466855-A (GB)
Title: Apparatus for use in injection moulding or die casting
IPC: B29C45/84
Filed: 1974-07-10
Abstract: 1466855 Injection moulding LUCAS BATTERIES Ltd 10 July 1974 [1 June 1973] 26296/73 Heading B5A [Also in Division B3] An injection moulding apparatus comprises mould parts 11 and 12 movable relative to each other, a passage 14 with an opening 15 that is sealed when the parts are closed together, and a source of pressure fluid connected to the passage to give an indication of whether the mould parts are open or closed. The arrangement is connected to a pressure actuable switch 19 which can serve to initiate the moulding or to control mould clamps.
Patent GB-812942-A (GB)
Title: A supporting wheel for the nose weight of caravans when being towed
IPC: B60D1/66
Filed: 1956-08-29
Abstract: 812,942. Trailer wheel suspension. WARDLE, L. Aug. 26, 1957 [Aug. 29, 1956], No. 26339/56. Class 108(2) A wheel mounting for the front of a trailer comprises a pair of upwardly extending arms B each mounted at one end on the road wheel axle a and pivotally connected at the other end to a corresponding link c pivoted on a frame D carrying the towing connection e, and a pair of shock absorbing devices F each connected between the bottom of the corresponding arm B and the frame D. Each shock absorber F comprises a telescopic motorcycle type hydraulic unit.
Patent GB-980431-A (GB)
Title: Improved insufflator
Inventor: ASHMAN ROBERT
IPC: B01J8/00
Filed: 1960-07-29
Abstract: 980,431. Mixing powder with gases. D.C.P. SYSTEMS Ltd. July 28, 1961 [July 29, 1960], No. 26446/60. Heading B1C. [Also in Division B8] In an apparatus for mixing and maintaining a controlled amount of powder in a stream of gas (as for injection into the combustion chamber or combustion products stream of an oilfired boiler) a container 1 is divided into two chambers 2, 3 by a porous tile 4 which supports the powder. Compressed air supplied to the chamber 7 passes through the nozzle 9 and the porous tile 4 to entrain the powder which is discharged through the ejector 10 by means of air passing from chamber 7 through the nozzle 11. An air jet 22, Fig. 4, in the well 8 of the chamber 7 is directed at the annular gap between the ejector parts 10 and 11. In a modification, Fig. 5, a perforated baffle 109, together with the porous tile, divides the container 106 into three chambers 105, 108 and 111, the powder 110 being in the intermediate chamber 108. Air from a branch 112 creates turbulence in the upper chamber. The amount of powder entrained may be varied by adjusting the main air control valve 103. Specification 850,118 is referred to.
Patent GB-923853-A (GB)
Title: Process for the production of stable aqueous dispersions of polymerized vinylesters
IPC: C08F18/08
Filed: 1959-07-31
Abstract: Stable aqueous emulsions of polymers or copolymers of vinyl esters are produced by means of emulsion polymerization in an aqueous medium having a neutral or weakly acid pH and containing an anionic emulsifying agent, and in the presence of a compound of a metal selected from the metals of Group IIA of the Periodic System and aluminium, a molar equivalent of the metal being present for each mol. of the anionic emulsifying agent.  The metal compounds may be magnesium chloride, calcium chloride or aluminium sulphate and the anionic emulsifying agent may normally be available as their sodium salts or as an aluminium or Group IIA metal salt of long chain alkyl sulphonic acids, alkyl aryl sulphonic acids where the alkyl chain has 12-18 carbon atoms, long chain alkyl sulphuric acids or sulphates, and the dialkylesters of sulphosuccinic acid, such as the dihexyl, diamyl and dioctyl esters.  Polymerization may be effected in the presence of a catalyst such as hydrogen peroxide, or an organic hydroxy peroxide or a persulphate, optionally with the addition of a reducing agent or tartaric acid or cobalt acetate.  The vinyl ester which may be the acetate or propionate may be copolymerized with vinyl laurate, vinyl stearate, vinyl capronate or acrylic acid esters, dibutyl maleate or esters of fumaric acid.  As protective colloids there may be added polyvinyl alcohol and its water soluble derivatives, gum arabic, gum tragacanth, gelatine and water soluble cellulose derivatives such as hydroxyethyl cellulose, and in addition long chain alkyl, aryl, or alkyl/aryl ethers of polyethylene glycols containing 5-30-C2H4O units in the chain may also be included.
Patent GB-271720-A (GB)
Title: Safety catch and drop stop for windows
IPC: E05F11/00
Filed: 1926-10-23
Abstract: 271,720. Willicombe, W. Oct. 23, 1926. Holders for sliding windows.-A combined window stop and holder for vertically sliding sashes without balance weights consists of a member A B pivoted on the bottom of the lower sash style and on the top of the upper sash style, one part A being wedge-shaped and adapted for insertion between the sash and bead to hold the sash in any position and the other part B, which may have a buffer D inserted, being adapted to act as a safety stop by preventing full closing of the window. A thumb-piece E is formed on the device.
Patent GB-281445-A (GB)
Title: Improvements in or relating to the jointing of lead or like pipes or sheaths
IPC: F16L13/00
Filed: 1926-10-23
Abstract: 281,445. Callender's Cable & Construction Co., Ltd., and Wilson, A. E. Oct. 23, 1026. Sleeve couplings .-In order to join two electric cables the ends of said cables are each provided with a collar comprising an inner sleeve A<5> of comparatively hard metal, which is inserted between the lead sheath B<2> and the insulation surounding the conductors C, and an outer member A<6>, which is placed around said sheath, the parts of the members A<5>, A<6> contacting with the sheath being heavily tinned or lined with readily fusible metal. The conductors C are then joined, after which a lead sleeve D is positioned around the various parts and the whole united by the application of heat and pressure. The sleeve D may be divided longitudinally and provided with a lateral branch.
Patent GB-654017-A (GB)
Title: Improvements in and relating to speed regulators
IPC: H01H35/10
Filed: 1948-10-12
Abstract: 654,017. Automatic speed control systems. BRITISH THOMSON-HOUSTON CO., Ltd. Oct. 12, 1948, No. 26562. Convention date, Oct. 18, 1947. [Class 38 (iv)] [Also in Group XXXVII] A centrifugal speed regulator includes a permanent magnet which closes the contacts at least once in every revolution. The regulator is of the type in which a spring 4 rotated by the electric motor to be regulated carries operating weights 7 and a.central contact 8 which co-operates with a normally stationary but adjustable contact 10. An armature 18, secured to the contact 8, is attracted to a permanent magnet 16, secured to contact 10, twice in each revolution, so as to close the contacts. By mounting the magnet and armature eccentrically, Fig. 3 (not shown), the contacts may be closed once during each revolution.
Patent GB-1112093-A (GB)
Title: Polyethylene blends
IPC: C09D123/06
Filed: 1966-06-15
Abstract: Polyethylene blends comprise 1 to 99 weight per cent of a polyethylene of density 0.915 to 0.926 g/c.c., melt index 2.9 to 16 dg/min. and a melt index recovery of 50 to 85%, and 99 to 1 weight per cent of a polyethylene of density 0.960 to 0.975 g/c.c., melt index 5 to 18 dg/min., terminal vinyl unsaturation (TVU) less than 8.0, unconjugated unsaturation less than 3.0, internal trans unsaturation (ITU) greater than 0.30 and TVU/ITU ratio less than 10. The compositions may also comprise stabilizers, pigments and fillers and may be used for coating and laminating paper, wood, metal foils, plastic sheeting, irradiated papers and plastic articles, and particularly for coating photographic film base.
Patent GB-649691-A (GB)
Title: Improvements in or relating to machines suitable for operating on marginal portions of unattached shoe soles
IPC: A43D87/00
Filed: 1948-10-14
Abstract: 649,691. Trimming shoe-soles. BRITISH UNITED SHOE MACHINERY CO., Ltd. (United Shoe Machinery Corporation). Oct. 14, 1948, No. 26712. Addition to 550,285. [Class 31 (i)] [Also in Group VII] A machine as described in the parent Specification is modified by the substitution for an edge-setting tool of a rotary cutting tool which is mounted on a rotatable supporting means in telescopic relation thereto so that it may slide thereon and has a hub portion and a portion, extending outwardly from the hub portion, provided with peripheral cutting teeth so disposed as to form a bevelled cut in the edge portion of a sole supported by the work support, the said rotatable supporting means being arranged to rotate about an upright axis and the hub portion extending above and below said teeth. The cutting tool is provided with a collar 13 secured to the hub 10 above the cutting teeth 11 and extending radially beyond them to ride on the upper face of the sole and thereby to support the cutter and with a further collar 14 carried by the hub below the teeth and arranged to engage the edge of the sole; the rotatable supporting means, which comprises a shaft 20, and the hub portion 10 have inter-engaging elements 15, 22 arranged to drive the cutter while permitting it to slide up and down relatively to the shaft 20 in response to variations in the thickness of the marginal portion of the sole. A retaining member 24 is detachably fastened to the shaft and a compression spring 26 surrounds the shaft 20 to bias the cutting tool downwardly. Specification 621,331 is referred to.