baber/WOPTO huggingface dataset:
Patent GB-1121701-A (GB)
Title: Improvements relating to lift control systems
Inventor: GOSLING JOHN CEDRIC
IPC: B66B1/16
Filed: 1965-02-18
Abstract: 1,121,701. Control of D.C. motors. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. 14 Feb., 1966 [18 Feb., 1965], No. 7049/65. Heading H2J. [Also in Division G3] A D.C. motor M, which drives a lift is supplied from a Ward-Leonard generator G having field winding F associated with mixer unit X receiving reference voltages respectively from ramp voltage generator U, levelling circuit A, or braking circuit B. The mixer also receives feed-back from tachometer generator T and may be provided with other voltage and current feed-back signals. The output of the ramp unit U comprises a rising portion of constant slope, a constant-voltage portion depending on the value of resistors between supply terminal 12 and unit U, and a descending portion of constant slope. When the lift reaches a predetermined deceleration point, the fall in reference voltage is arrested at a value corresponding to a prelevelling speed which is adjusted by resistor RV1. At another predetermined point, the lift is operated at levelling speed but regenerative braking is introduced before the lift is stopped. This braking is caused by the discharge of capacitor CB through resistor RB into the mixer X whereby the generator field is reversed. The degree of braking is set by resistor RV3. After the capacitor CB has discharged, the speed of the lift has been reduced substantially to zero, so allowing de-energization of the generator field and application of the brakes. If the lift is to be re-levelled, the reference circuit A by-passes the unit U and applies an initially augmented reference voltage signal directly to the mixer X. The charging current of capacitor CA provides a peak of reference voltage which falls to a steady value determined by the value of resistors R11, R4, in parallel. After a time delay, the reference voltage is reduced to the normal levelling value.
Patent GB-1150409-A (GB)
Title: Indirectly Heated Cathode
IPC: H01J1/26
Filed: 1968-02-14
Abstract: 1,150,409. Cathode materials and processing. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 14 Feb., 1968 [17 Feb., 1967], No. 7263/68. Heading H1D. In an indirectly heated cathode in which a heater wire 3 is insulated by a metal oxide layer 6 from a support 1 carrying emissive material 4, the surface of the support 1 which faces the heater wire comprises molybdenum coated with a layer 5 of at least one of the metals of the platinum group having a thickness of at least 3 ÁThe layer 5, e.g. of platinum, is applied in the non-molten state, e.g. by deposition from a suspension or by electroplating, and also is not subjected to any subsequent melting. Preferably, the heater wire has a coating of metal of the platinum group, which has been applied in the non-molten state and then melted, underlying the metal oxide layer 6, which may be of Al 2 O 3  or MgO. Emissive layer 4 may comprise a mixture of nickel powder and alkaline earth metal oxides. The cathode may be a dispenser cathode.
Patent GB-306725-A (GB)
Title: Improvements in or relating to cushion tires
IPC: B60C7/12
Filed: 1928-03-09
Abstract: 306,725. Cullen, J. F. March 9, 1928. Moulding wheel tyres.-A cushion tyre is built up by first vulcanizing a hard rubber base 2 on to a grooved metal foundation-band 1, positioning a hollow core or cores .9 spaced from the base portion 2, applying and vulcanizing a coreenclosing rubber body 3, and finally removing the liquid, sand, or other filling-material from the core. Figs. 1 and 3 show typical forms, and Fig. 5 shows a modification in which the core is provided with supporting-strips 18, 19; 20.
Patent GB-1489992-A (GB)
Title: Use of antibiotics of the streptothricin family as taeniacidal agents
IPC: A23K20/195
Filed: 1975-02-21
Abstract: 1489992 Treating mammals infected with tapeworms E R SQUIBB & SONS Inc 21 Feb 1975 [22 April 1974] 7414/75 Heading A5B A method of treating a non-human mammalian host infected with tapeworms comprises administering to the host a therapeutically effective dose of an antibiotic selected from streptothricin, S 15-1, 156 B-1 and mixtures thereof. Other nematocides such as dichlorvos or thiabendazole may also be present.
Patent GB-960569-A (GB)
Title: Improvements in or relating to the manufacture of shaped articles from polyamide granules
IPC: B29C45/50
Filed: 1963-02-25
Abstract: Polyamide compositions suitable for injection moulding comprise 1 to 10% by weight of poly-e -caprolactam (having a relative viscosity of 2.5-5.0) with 99 to 90% by wt. of polyamide granules having a relative viscosity of 2-3 and prepared from hexamethylene diamine and adipic acid.
Patent GB-689049-A (GB)
Title: Improvements relating to grinding machines
IPC: B24B47/20
Filed: 1950-03-24
Abstract: 689,049. Grinding machines. JONES & SHIPMAN, Ltd., A. A., and HOULDSWORTH, J. Feb. 19, 1951 [March 24, 1950], No. 7438/50. Class 60. [Also in Group XXIX] A grinding machine includes a pivotally mounted grinding wheel head 3 connected by a link 11 to a lever 12 which is applied against a slidable cam 16 to control the rate of infeed until movement of the head is arrested by a closed stop 18, whereafter this control is disengaged. The grinding wheel 1 is driven by an electric motor 6 mounted on the head 3 which is angularly displaced about a pivot 5 by a piston 8 to feed the wheel into the work. The lever 12 carries a roller 15 bearing on the cam 16 which is displaced by a hydraulic piston 22. Part of the operative surface of the cam may be formed by a lever 20 adjustably inclined to alter the rate of feed over a portion of the travel of the cam. A change in the speed of the cam, to cause a change in the rate of feed of the grinding wheel, may also be effected by a microswitch 21 operated by a subsidiary cam secured to the cam 16. When this switch is closed, a solenoid 58 is energized and a valve 56 displaced to the right to supply fluid to a plunger 51 which bears on an adjustable screw 45 governing the displacement of a throttle valve 30 in the exhaust line from the cylinder of piston 22. When the switch is open, the valve 56 is displaced to the left by a spring 63 to supply fluid to a plunger 49 which bears on a second adjustable screw 46 to give the throttle valve 30 a different setting and hence a different speed to the piston 22. After the arm 4 has engaged the stop 18, the cam 16 continues to move to the right until it is out of contact with the roller 15 which forms part of an electric circuit energizing a solenoid 35 which is now de-energized to allow a pilot valve 34 to be moved to the left by a spring 37. The movement of the pilot valve displaces a reversing valve 23 to reverse the piston 22 which now moves rapidly to the left, the throttle valve 30 being displaced to maximum discharge position by a plunger 50 controlled by a valve 56. The latter normally connects the plunger 50 to exhaust, but may be displaced by a solenoid 67 to connect it to the pressure supply. A rapid infeed of the grinding wheel may be obtained by energizing the solenoid 67 during the rightwards travel of the piston 22.
Patent GB-954750-A (GB)
Title: Improvements relating to rotary-piston internal combustion engines
IPC: F02B55/08
Filed: 1963-02-25
Abstract: 954,750. Rotary-piston internal combustion engines. DAIMLER-BENZ A. G. Feb. 25, 1963 [March 13, 1962], No. 7531/63. Heading F1F. A housing for a rotary-piston I.C. engine of the kind having an epitrochoidal inner profile with a biarcuate piston track, wherein a bush 3, preferably of hardened steel is profiled internally to form the piston track 5 and externally is substantially elliptical. The bush is pressed into a complementary-shaped elliptical opening in a heated housing body 1, preferably aluminuim alloy, with an appropriate interference fit, so that forces 6 holding the bush 3 act outwardly to securely anchor the bush. Coolant can be brought to the external surface of the relatively thin-walled bush. The bush may be pressed out of the housing and replaced by another bush to e.g., enable bushes of various materials to be tested for wear and adapt them to suit the material used for the radial piston seals.
Patent GB-1518265-A (GB)
Title: Apparatus for monitoring the condition of dampening fluids contained in water containers of offset presses
IPC: B41F7/24
Filed: 1977-02-23
Abstract: 1518265 Monitoring dampening fluid E BAUCH 23 Feb 1977 [23 Feb 1976] 07560/77 Heading B6C [Also in Division G1] The pH value of dampening fluid in an offset press is monitored by connecting the fluid reservoir to a test vessel 11, Fig. 2, comprising a transparent side portion 13 and a coloured indicator reference scale 12, and inserting an indicator plate (15), Fig. 3 (not shown) through slot 14 into dampening fluid contained in vessel 11; the colour provided by the indicator plate is compared with the reference scale 12 and the pH valve thereby read off. The test vessel may also accommodate a thermometer and an alcohol-measuring device.
Patent GB-204012-A (GB)
Title: Improvements in, or relating to, apparatus for supporting and displaying garments
IPC: A47G25/06
Filed: 1922-03-15
Abstract: 204,012. Launder, J. A. March 15, 1922. Garment Tacks and stands.-A rotatable membar a adapted to be mounted on an upright or on a fitting to a showcase, wardrobe, &c., carries brackets d pivotally mounted in holes c in its periphery, which are adapted to carry garment hangers on flat rotatable hooks f. The member a when placed on an upright may be adjusted vertically, and when placed on a showcase fitting may be slid laterally therein.
Patent GB-903932-A (GB)
Title: Curing epoxidized resins and curing compositions therefor
IPC: C08G59/68
Filed: 1960-03-03
Abstract: Polyepoxides are cured by a mixture of a curing agent and a curing assistant which comprises an organic phosphite containing from 1 to 3 organic groups attached to the phosphorus atom, such organic group containing up to 18 carbon atoms.  Many phosphites are mentioned or exemplified including triphenyl phosphite, tridodecyl phosphite, octadecenyl diphenyl phosphite and tritetrahydrofurfurylphosphite. The curing agent may be any conventional curing agent for polyepoxides other than a curing assistant as defined above or a polyvalent metal salt of an organic acidic compound containing up to 24 carbon atoms in the molecule.  The curing agent may be an organic amine, e.g. dimethylamine, hexamethylenediamine, diethylenetriamine, phenylenediamine and dimethylaminomethylphenol; a carboxylic acid anhydride, e.g. maleic anhydride, succinic anhydride, chlorosuccinic anhydride and tetrahydrophthalic anhydride; carboxylic acids, e.g. adipic acid and dimerized linoleic acid; organic acid phosphates; sulphonic acids, e.g. methanesulphonic acid and benzenesulphonic acid; sulphonyl halides, e.g. ethanesulphonyl chloride and benzenesulphonyl bromide; liquid organic polysulphides, e.g. the reaction product of dichlorodiethyl formal and an alkali polysulphide, and liquid polyamides.  Polyepoxides mentioned or exemplified include, e.g. 1,8-bis(2,3-epoxypropoxy)octane, glycidyl polyethers of bisphenol A, 1,3-bis(4,5-epoxypentoxy)-5-chlorobenzene and epoxidized glycerol trioleate.  Examples are given, the first of which describes the preparation of a glycidyl polyether of bisphenol A.
Patent GB-559744-A (GB)
Title: Improvements in or relating to gauze weaving looms
IPC: D03C7/00
Filed: 1943-06-04
Abstract: 559,744. Warp-shedding mechanism for looms. BANYAI, M., HARRIS, E., and GOLDBERG, A. June 4, 1943, No. 7671/42. [Classes 142 (i) and 142 (ii)] The warp shedding mechanism of a gauze weaving loom comprises an assembly of members 10a arranged in closely spaced relation in a row for joint angular movement about a common axis. Each disc is formed with a warp guiding eye 50 and with a second aperture 52 in the form of an elongated slot. The warps 51, 51a are tensioned by a lever 61 pivoted about an axis 62 and having warp engaging rods 68, 69.
Patent GB-434821-A (GB)
Title: Improvements in or relating to thermionic valve apparatus for use on very short wave lengths
IPC: H04B1/036
Filed: 1934-03-10
Abstract: 434,821. Condensers. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., Electra House, Victoria Embankment, London, and DAVIS, N. E., Openways, Little Baddow, GREEN, E., Penrose, Long Stomps, and HALL, A. W., 55, New Street, all in Chelmsford. March 10, 1934, No. 7696. [Class 38 (ii)] [See also Groups XL and XXXVI] Short-wave amplifier apparatus for radio transmission comprises push-pull connected valves mounted in triangular metal screens or housings which also form parts of anode tuning- condensers and neutralizing-condensers. The metal external anodes 1, 2 of the valves rest in chairs 3, 4, each of which has two vertical walls X, Y set at an angle to each other, the walls X projecting beyond their intersection with the walls Y as shown in plan in the Figure. The walls Y are parallel and opposite each other and form the outer plates of the anode tuning-condenser, the centre plate of which comprises a copper box-like structure 5 of preadjusted width, which is slidable longitudinally of guides 6 for tuning. Vanes 8 carried on vertical pivots lie opposite the respective walls X and are adjustable for neutralizing the interelectrode capacity.
Patent GB-563841-A (GB)
Title: Improvements in and relating to electric switches suitable for electric discharge lamps
IPC: H01H19/62
Filed: 1943-05-14
Abstract: 563,841. Retractive switches. BRITISH THOMSON-HOUSTON CO., Ltd. May 14, 1943, No. 7697. Convention date, May 20, 1942. [Class 38 (v)] Particularly for starting electric discharge lamps a rotary switch is moved from a stable " off " position through another stable position closing one circuit, to a position against the action of a spring, in which more circuits are closed all through the action of cams on a central rotatable member 12 and spaced pairs of contacts 20, 35, 40 around it. On release of the handle the operating member returns to the second-mentioned stable position, which is shown in the Figure. Thus in the extended position, with all circuits closed, the filaments of, say, two discharge lamps are in series and the main switch is on. After a few seconds the switch is released, the series connection is broken, a glow discharge starts across the filaments and the main switch 20 remains on until manually opened.
Patent GB-162880-A (GB)
Title: Improvements in sparking plugs
IPC: H01T13/48
Filed: 1920-03-15
Abstract: 162,880. Calvert, G. March 15, 1920. No Patent granted (Sealing fee not paid). Sparking-plugs. - Inspection of the spark and of the gases in combustion is permitted by the provision of a tubular electrode 1 fitted with a window or lens 5 of glass, silica, mica, etc.; and may be further facilitated by providing a prismatic or other reflector 19. The electrode may be also fitted with a. turncock 23 for cutting off the lens except when inspection is necessary.
Patent GB-177048-A (GB)
Title: Improved portable device or attachment for use in hack sawing by hand
IPC: B23D49/04
Filed: 1921-03-11
Abstract: 177,048. Venables, A. J., and Hack Saws, Ltd. March 11, 1921. Reciprocating - saw machines. - A hand hack saw is clamped in a block a sliding on guide bars f, g, fixed in a support h, which rocks on a pivot between uprights k.
Patent GB-180783-A (GB)
Title: Improvements in or relating to the manufacture of coir yarn matting
IPC: D03D1/00
Filed: 1921-03-12
Abstract: 180,783. Goodacre & Sons, Ltd., W., and Goodacre, R. W. March 12, 1921. Liquids, treating with; processes, compound.- Coir-yarn matting is treated with an adhesive such as a solution of dextrine, by spraying under air pressure or by a brush, so that it enters into the substance of the matting, and then passing the matting through heated drying and pressing rollers. One of a pair of the rollers may be driven at a greater speed than that of the other, to smooth and polish the matting.
Patent GB-1568458-A (GB)
Title: Connecting means for an optical system
IPC: G02B6/28
Filed: 1978-02-28
Abstract: In order to be able in an optical system to connect a mixing tube in a separable fashion to a glass fibre cable, both the mixing tube holder, which has a tubular body (1) and a flange (2), and the connector, which has a tubular body (11) and a flange (12), are each equipped with an end piece (3 and 13, respectively) of the same diameter, in which end pieces a mixing tube end or a tubularly expanded glass fibre bundle are cemented in each case in a watch stone (4 and 14, respectively). An intermediate ring (23) precisely aligns the end pieces (3, 13) which are opposite one another and permits the two flanges to be screwed. <IMAGE>
Patent GB-595083-A (GB)
Title: Improvements in or relating to bobbins
IPC: H01F5/02
Filed: 1945-03-28
Abstract: 595,083. Bobbins. TAYLOR, A. March 28, 1945, No. 7871. [Class 120 (iii)] A bobbin comprises perforated end cheeks and a core made up of . plurality of separat panels which when assembled define th outer surface . of the core, at least one o the panels being pro vided with grooves, channels or recesses o a width less than the thickness of the end cheeks, while the perforations in the cheeks are provided with tongues or projections adapted to engage in the said grooves &c. The tongues and grooves may extend over the entire periphery of the core, or over only a part or parts thereof. As shown, the core is rectangular. Two core panels 3 are provided with grooves 5 engaging tongues 7 formed by outwardly rebating two opposite edges of the perforations in the end cheeks '2. The other two panels 4 slidably engage steps 8 formed along the longitudinal edges of panels 3 for which they act as distance pieces. The grooves 5 are so spaced from the ends of panels 3 that the ends of the core will, on assembly, lie flush with the outer faces of the cheeks. The bobbin may be made of laminated paper bonded with synthetic resin.
Patent GB-234582-A (GB)
Title: Improvements in screens for paper stock
IPC: D21D5/06
Filed: 1924-03-28
Abstract: 234.582. Armstrong, J. J. V., (Bird Machine Co.). March 28, 1924. Rotary strainers of the inward-flow type. The coarser particles separated by the screen are moved longitudinally by a spiral blade 11 on the exterior of the screen and lifted to a discharge opening 14, communicating with a shoot 15, by a blade 12 on the closed end 9 of the screen, which blade is curved backwards from the axis and inclined outwards.
Patent GB-750721-A (GB)
Title: Improvements relating to double-acting hydraulic shock absorbers
IPC: F16F9/26
Filed: 1954-03-18
Abstract: 750,721. Hydraulic shock absorbers. SOC. D'INVENTIONS AERONAUTIQUES ET MECANIQUES S.I.A.M. March 18, 1954 [April 24, 1953; Aug. 14, 1953], No. 7906/54. Class 108 (3). An opposed-piston type double-acting shock absorber comprises at least one conduit 23 leading from one face of the piston to a valve bore 21 formed in the other piston face, and a valve 28 movable under liquid pressure against a single spring 26, the conduit and valve providing the sole liquid communication between the cylinder chambers 5, 6 under all operating conditions. As shown in Fig. 2, there are two conduits 23, 25 and respective piston valves 28, 34 so as to control flow in respective directions between the chambers 5, 6. Each valve has one or more slots 37 which extend far enough (see 37b) to provide an initial flow before the valve moves against its spring 26. The slots provide a progressively increasing area of flow as the valve moves against its spring. The valve 28 is slidable in a collar 29 which is clamped by a member 31 against a shoulder 30 of the respective valve chamber 21. The member 31 also serves to retain the abutment 36 of the spring of the valve 34. The member 31 also forms the limit stop of a resilient-strip one-way valve (not visible in Fig. 2), which permits flow to the chamber 5 from the reservoir of the shock absorber. A similar valve 43 controls flow to the chamber 6, and is limited by a stop-strip 45. The piston is reciprocated by the oscillation of a conventional crankshaft (not visible in Fig. 2) a forked crank 16 on which is connected to a link 18 connected by a pin 19 to the piston. The pin 19 has rivets 46 which are of softer metal than that of the cylinder bore. The valves 28, 34 may have a common port leading to the chamber 6, instead of respective ports 23, 25, as shown. In Fig. 10, a single valve 57 performs the functions of both of the valves 29, 34 of Fig. 2. The valve 57 is rigid with a rod which has spaced abutments 63, 63a. On piston movement to the left, liquid moves the valve 57 to the right, the abutment 63a picking up an abutment plate 54 of the spring 62. On piston movement to the right, the valve 57 moves to the left, the abutment 63 then picking up a plate 55 at the other end of the spring. The valve 57 moves within the suitably flared profile of a member 59 fixed to the piston. Alternatively, the valve 57 may be of double frusto-conical shape, and the profile of member 59 may be cylindrical (Fig. 8, not shown). A bleed duct may be formed through the member 59.
Patent GB-1090085-A (GB)
Title: Zero-twist synthetic filaments
IPC: D01F6/60
Filed: 1966-02-23
Abstract: An aqueous composition for finishing spun polyamide filaments comprises polyacrylic acid, polyethylene glycol-di-(2-ethylhexoate), sodium dioctylsulphosuccinate, dimethylpolysiloxane, sodium trioleate and sodium monolaurate.ALSO:A "zero-twist" yarn, i.e. one having no measurable twist in several yards length, comprises drawn synthetic filaments, and is covered by a film of polymeric material.  The yarn is suitably made of polyamide or polyester.  The coating is suitably polyacylic acid, but many synthetic resins are mentioned.  The coating is applied as a solution in an inert solvent on the undrawn yarn, which is then drawn and the solvent removed (see Div. B4-5).
Patent GB-1432308-A (GB)
Title: Process for the preparation of acetone dicarboxylic acid and derivatives thereof and of citric acid semiconductor structures
IPC: C07C59/185
Filed: 1974-02-21
Abstract: 1432308 Oxo-glutaric and citric acids AKZO NV 21 Feb 1974 [1 March 1973] 7968/74 Heading C2C 3-Oxoglutaric acid is prepared by reacting ketene with liquid phosgene or phosgene in an organic solvent with dielectric constant of 2-22 at 20‹ C., the molar ratio of ketene to phosgene being less than 2, and thereafter reacting the product with an active hydrogen atom containing compound, and isolating the product. Water or aliphatic alcohol (1-4 C) may be the active hydrogen atom containing compound, many others are listed, and the solvents may be an ether, ester, ketone or mixtures thereof. Citric acid may be prepared by a cyanohydrin synthesis of the diester followed by hydrolysis to the citric acid or citrate. Liquid phosgene may be employed as the solvent but the use of a secondary solvent is preferred.