baber/WOPTO huggingface dataset:
Patent GB-1330723-A (GB)
Title: Radiation sensitive polymers
IPC: C08F8/34
Filed: 1971-04-19
Abstract: 1330723 Radiation-sensitive polymers UPJOHN CO 19 April 1971 [2 March 1970 27 Nov 1970] 22097/71 Heading C3P [Also in Division G2]  A radiation-sensitive polymer selected from (a) polymers characterized by the recurring unit: wherein R<SP>1</SP> is selected from C 1-6  alkoxy and phenyl and wherein one of R 2  and R 3  represents hydrogen and the other of R 2  and R 3  represents a group having the formula - wherein A is alkylene having from 2 to 6 carbon atoms separating the valencies and a total carbon atom content of from 2 to 10, R<SP>11</SP> is selected from C 1-6  alkyl and halogen, x is 1 or 2, y is 0, 1 or 2, provided that x+y is not greater than 3, and the SO 2 N 3  group is in any of positions 3, 4 and 5 in the phenyl nucleus to which it is attached, and at least one of the positions 3, 4 and 5 is unsubstituted; and (b) the salts of the above polymers with a salt-forming moiety selected from alkali metals, alkaline earth metals, ammonia and organic amines. A basic dye may be chemically bonded to a substrate containing a plurality of C-H bonds which substrate is not normally receptive to dyestuffs by (a) applying to the substrate the radiation-sensitive polymer, (b) exposing the resulting treated substrate to appropriate radiation to activate the polymer and effect bonding between the polymer and the substrate and (c) contacting the exposed treated polymer with a basic dye to effect coupling of the basic groups of the dye with carboxyl groups of the polymer. In the examples poly(maleic anhydride co-methyl vinyl ether), poly(maleic anhydride co-styrene), poly- (maleic anhydride cobutyl vinyl ether) and poly(maleic anhydride cohexyl vinyl ether) are treated with 2-hydroxy-ethyl, 3-hydroxypropyl, 4-hydroxybutyl, 3-hydroxypentyl, 3-hydroxy-2- methylpentyl, 5 - hydroxyheptyl, 6 - hydroxy- 2,2-dimethylhexyl and 6-hydroxy-2,5-diethylhexyl 4-azidosulphonyl carbanilate, cast on to quartz plates and polyethylene films and plates and irradiated with mercury arc lamps and high pressure mercury lamps. The exposed films may be treated with Malachite green, Nile Blue A or Crystal Violet. Salts of the polymer are prepared by preparation in the presence of triethylamine or by treatment with sodium, potassium, lithium, calcium and ammonium hydroxide.
Patent GB-490327-A (GB)
Title: Improvements in methods of producing commercial alkali phosphates
IPC: C01B25/30
Filed: 1937-08-12
Abstract: In the production of commercially pure alkali phosphates by neutralization of crude phosphoric acid of high concentration, say 28-60 per cent P2O5, in stages with alkali carbonates, without preliminary purification, and separating out of the impurities at a stage of neutralization lying about half way between mono- and dialkali phosphate, precipitation of the impurities, particularly iron, is completed by means of alkali sulphides or hydrogen sulphide, the precipitated impurities from this step together with those precipitated during the neutralization step being filtered off together.  Two examples disclosing the production of disodium phosphate are given, one relating to the use of phosphoric acid obtained by decomposing Curacao phosphate with sulphuric acid. Reaction is commenced at 90 DEG  C. the reaction mixture being cooled before the addition of sodium sulphide.  A quantity of monosodium phosphate is filtered off after neutralization to this stage.
Patent GB-777963-A (GB)
Title: Improvements in or relating to hoists and like lifting or lowering apparatus
IPC: B66D3/18
Filed: 1954-07-30
Abstract: 777,963. Hoists; load-handling machines. CAMPBELL & ISHERWOOD, Ltd., and RAWLINSON, R. July 22, 1955 [July 30, 1954], No. 22241/54. Classes 78 (2) and 78 (3). A hoist comprises a motor 10, a beam 12, a pulley block 13 fixed at one end of said beam, a pulley block 15 movable along said beam when driven by said motor, a cable 25 reeved between said blocks whereby the movable block is traversed along the beam to lift or lower the load block 26. The beam 12 may be either fixed or mounted on rollers, and the motor which displaces block 15 by means of screw 16 may be replaced by a manual drive.
Patent GB-615359-A (GB)
Title: Improvements in quick-action fasteners
IPC: A44B19/32
Filed: 1946-07-26
Abstract: 615,359. Sliding-clasp fasteners. DUNLOP RUBBER CO., Ltd., TROBRIDGE, G. W., and BAWCUTT, P. J. July 26, 1946, No. 22247. [Class 44] In a sliding-clasp fastener designed to be fluid-tight, U-sha,pe interlocking fastener elements 2 are secured to strips 1. of resilient water-proof material with the open jaws outwards so that the edge of the strip 1 projects slightly beyond the centre line of the interlocking elements. Preferably, the elements are located on the strips 1 by inserting them through apertures, and bending them over to grip the material, the interlocking parts, in the form of depressions 2d and projections 2c being formed on the jaws of the elements, and the opening between the jaws being V-shaped. A bead 1a may be formed on one or both sides of the strip 1.
Patent GB-184383-A (GB)
Title: Improvements in and relating to cloth straightening machines
IPC: D06C3/00
Filed: 1921-08-22
Abstract: 184,383. Gigliotti, W., and Gangemi, M. A. Aug. 22, 1921. Registering webs.- Apparatus for straightening the edges of a cloth web as it is wound on a roller comprises a set of rollers mounted in bearings and a second set of rollers mounted in bearings pivotal about vertical axes, the bearings at one end of the second set being connected together in pairs by bars which are carried by a support adjustable longitudinally of the machine by the operator to place the second set in an inclined position relatively to the first set. As shown a frame 1 carries a set of rollers 4 in stationary bearings 3 and a set of rollers 4' mounted at one end in bearings rotatable on vertical trunnions and at the other end in bearings 7<1> connected in pairs by bars 10 pivotally connected by bolts 10<1> to a supporting bar 11 movable longitudinally by a screw 14. The bar 11 is guided by brackets 17 attached to the bars 10 by the bolts 10' and having bolts 18 engaging a slot 19 in the frame 1. The fabric to be straightened is mounted on the roller 20 or is led from the other end of the machine round guide rollers 25 and over the roller 20 and passes thence round the rollers 4, 4<1> to a winding-roller 22.
Patent GB-149627-A (GB)
Title: Improvements in or relating to hydraulic motors
IPC: F03B17/06
Filed: 1920-07-26
Abstract: 149,627. Aasen, N. W., and Planche, F. G. July 24, 1919, [Convention date]. Screw motors; driving and transmission mechanism, regulating.-The blades of hydraulic turbines for utilizing the current of a river &c. are carried by conical rotors 1, which have curved generating-lines and are immersed at the required depth by a pivoted carrier frame 10. The turbine may drive dynamos 7 &c. through gearing 3, 4, 6. Two or more rotors 1 may be placed side by side across the stream, and with weak currents the shafts of the rotors may be coupled by universal joints to the shafts of additional rotors carried by floats or posts lower down stream.
Patent GB-460910-A (GB)
Title: Improvements in or relating to containers for electric apparatus such as electric condensers
IPC: H01G4/224
Filed: 1935-08-07
Abstract: 460,910. Condensers. DUBILIER CONDENSER CO. (1925), Ltd. Aug. 7, 1935, No. 22294. Convention date, Aug. 16, 1934. [Class 37] A casing for condensers and like small electric apparatus comprises a wound tube of paper &c. treated with a plastic insulating material with metal end members embedded therein in winding, and sealed therein by subsequent hardening. As shown the members comprise short flanged tubes A<1> to which end plates B may be soldered &c. Specifications 173,744, [Class 38 (ii)], and 460,909 are referred to. The Specification as open to inspection under Sect. 91 comprises also securing a metal flange on the end surfaces of a ceramic cylindrical casing to which end plates may be soldered or a glass &c. cylinder may have short tubes such as A<1> in the figure embedded in the ends, end plates being secured to the outer parts as by rolling over the edges. This subject-matter does not appear in the Specification as accepted.
Patent GB-206924-A (GB)
Title: Improvements in or relating to grinding mills
IPC: B02C19/08
Filed: 1922-08-16
Abstract: 206,924. Fowler, W., and Cory, S. M. Aug. 16, 1922. Disc and like mills.-Relates to mills for grinding paint, colours, &c. of the type comprising two grind.ing- elements one of which is positively driven and the other, having surface contact therewith, is free to rotate about an axis that is not coaxial with the axis of rotation of the first member, and is driven only by frictional engagement with the first member. The grinding - surfaces are of spherical curvature about the same axis and rotate about fixed axes which are inclined to one another. The surface of the positively-driven grinding- member subtends an angle of 90‹, while the other member is smaller and its axis of rotation is inclined to the axis of rotation of the first member so that their peripheral edges substantially coincide at one point. The positively-driven grinding-member 20, Fig. 1, is carried by a vertical shaft 13 which rests at its lower end on an adjustable pin 15 and is driven by bevel gearing 16, 17 from the driving-shaft 18. The upper grinding-element 39 is carried by a hollow member 38 rotatable on ball bearings in a casing 37 having trunnions 36 engaging spring- pressed blocks 55, Fig. 6, in transverse slots in members 28 which are hinged to a bracket 26 on the frame 10. The grinding-pressure is regulated by means of a hand-wheel 33 on a screwed spindle 30 which is pivotally mounted on a rod 31 carried by brackets 32 and passes through a rod 29 connecting the free ends of the members 28. A spring 35 is provided on the lower end of the spindle 30, and a scale and pointer are provided on the member 28 and block 55 to indicate the grinding-pressure. The material is fed through the hollow shaft 38 bv a shoot 51 from a vessel 49 carried by the members 28. The spherical grinding-face 40, Fig. 3, of the upper element 39 is provided with radial tapered feed-grooves 41 of curved cross-section, the leading edge 42, Fig. 5, being substantially right-angled and the trailing- edge 43 oblique. Lateral branches 44 extend rearwardly from the grooves 41. The radial outlet grooves 45 taper from their outer to their inner ends and are symmetrical in cross-section. A scraper 46 carried by an arm 47 removes the ground material from the member 20 and delivers it to a shoot 25 at the lower end of the enclosing casing 23. To clean the mill, the vessel 49 and wheel 33 are removed so that the members 28 and upper grinding-element 39 can be swung upwards to expose the grinding-surfaces, a stop 54 on the member 26 engaging the ends 53 of the members 28 and retaining the parts in position. Means may be provided for altering the obliquity of the axis of rotation of the member 39, as bv arranging the member 26 so that it can be swung about an horizontal axis. The grinding-surfaces may have concentric corrugations.
Patent GB-865408-A (GB)
Title: Protective coatings for polyester resins
IPC: C09D133/12
Filed: 1957-07-15
Abstract: An article made from a halogen-containing polyester resin is coated with a solid synthetic resin and a 2-hydroxybenzophenone in an amount at least 1% by weight of the solid resin.  The polyester resin may also contain at least 0,1% of a 2-hydroxybenzophenone. The substrate polymer may be the adduct of hexachlorocyclopentadiene or hexachlorobicycloheptene-dicarboxylic acid with maleic anhydride, glycol and styrene, a resin prepared from a halogen-containing polycarboxylic acid or polyhydric alcohol or cross-linked with a halogen-containing olefine, or a non-halogenated polyester mixed with a halogen-containing filler such as chlorinated paraffin. The coating composition may be a solution of a polyacrylic ester, polystyrene, polyethylene, polyvinyl chloride, a modified alkyd resin or mixtures thereof; the preferred material is polymethyl-methacrylate.  Up to 50% of the hydroxybenzophenone may be used in the coating resin and up to 10% in the substrate resin. In examples, 2-hydroxy -4- methoxy-benzophenone and 2, 21-dihydroxy -4, 41- dimethoxy-benzophenone are used; many other usable 2-hydroxybenzophenones are specifiedALSO:An article made from a halogen-containing polyester resin is coated with a solid synthetic resin and a 2-hydroxybenzophenone in an amount at least 1% by weight of the solid resin.  The polyester resin may also contain at least 0.1% of a 2-hydroxybenzophenone. The substrate polymer may be the adduct of hexachlorocyclopentadiene or hexachlorobicycloheptene - dicarboxylic acid with maleic anhydride, glycol and styrene, a resin prepared from a halogen-containing polycarboxylic acid or polyhydric alcohol or cross-linked with a halogen-containing olefine, or a nonhalogenated polyester mixed with a halogen containing filler such as chlorinated paraffin.  The coating composition may be a solution of a polyacrylic ester, polystyrene polyethylene, polyvinyl chloride, a modified alkyd resin or mixtures thereof; the preferred material is polymethyl-methacrylate.  Up to 50% of the hydroxybenzophenone may be used in the coating resin and up to 10% in the substrate resin. In examples, 2-hydroxy-4-methoxy-benzophenone and 2,21 - dihydroxy - 4,41 - dimethoxy-benzophenone are used; many other usuable 2-hydroxy-benzophenones are specified.
Patent GB-316140-A (GB)
Title: Improvements in or relating to cash registers
IPC: G07G1/00
Filed: 1929-07-22
Abstract: 316,140. National Cash Register Co., (Assignees of Sburlino, P.). July 23, 1928, [Convention date]. Addition to 258,513. Cash registers; printing totals.-The, lock on the main shaft and totalizer imposed bv the opening of the lid 80, as described in the parent Specification, is now modified so as to ensure locking of the totalizer as soon as the lid begins to move. The detents 100 for engaging the totalizer wheels 88 are secured to a shaft 84 also fixed to which is a lever 83 controlled by a spring 85. Pivoted to the lid is a slotted link 81 engaging a stud 86 on the lever 83 so that as the lid is raised the spring pulls the detents into engagement with the wheels 88. The lock on the main shaft 56 is provided by the recessed ratchet wheel 95 and the spring- controlled pawl 91 linked at 89 with the lever 83
Patent GB-598133-A (GB)
Title: Improvements in or relating to noise limiting arrangements in electric carrier wave receivers
IPC: H03G11/00
Filed: 1945-08-30
Abstract: 598,133. Radio receiving systems. STANDARD TELEPHONES & CABLES, Ltd. Aug. 30, 1945, No. 22405. Convention date, April 16, 1943. [Class 40 (v)] In the reception of amplitude-modulated signals, noise interference is reduced by clipping the modulated carrier wave 22 between the limits 34, 35 to produce a trapezoidal waveform 40 having sides whose slopes are proportional to the amplitudes in the modulated carrier wave, and from which the noise fluctuations 23 are for the most part removed. The wave 40 is differentiated, giving a train of pulses 52 whose envelope 60 is substantially the same as the modulation envelope 30 of the noise-free signal. The pulse train 52 is finally demodulated in a detector circuit to obtain the audio signal. The system permits of amplifying the clipped wave 40 in stages producing non-linear distortion without appreciable distortion of the final modulation envelope 60.
Patent GB-356885-A (GB)
Title: Improvements in and relating to heavy-oil engines
IPC: F02D1/00
Filed: 1930-07-25
Abstract: 356,885. Fluid pressure brakes. BOSCH AKT.-GES., R., 4, Militõrstrasse, Stuttgart, Germany. July 25, 1930, No. 22433. Convention date, Sept. 7, 1929. [Class 103 (i).] In the inlet pipe of an internal combustion engine in which a vacuum is not normally existent, a vacuum is generated by closing the inlet pipe, which is connected to a reservoir, from the atmosphere and simultaneously interrupting the supply of fuel from the fuel pump to all the cylinders of the engine. The inlet pipe a of a crude oil engine is adapted to be closed by a throttle c operated by a rod e and a bell crank f. A rack i controlling the fuel pump k and operated by a foot lever m carries a pin h abutting against the lever f. When the lever m is released to cut off the fuel supply the pin h lifts the lever f and closes the throttle c. Vacuum is thus created in the inlet pipe a and the reservoir p which is provided with a non-return valve o to prevent entrance of air. This vacuum is used for brakes, clutches, steering or auxiliary power mechanisms. The fuel pump and throttle may be controlled by a governor. The pump may be controlled by a cam. The throttle can be operated by hydraulic, pneumatic or electric means.
Patent GB-1313886-A (GB)
Title: Apparatus for and method of protecting a sheet being electroplated with a metal
IPC: C25D7/06
Filed: 1970-05-08
Abstract: 1313886 Electro-plating moving sheet USS ENGINEERS & CONSULTANTS Inc 8 May 1970 [9 May 1969] 22454/70 Heading C7B A metal sheet 10c e. g. of steel, being electroplated with a metal e. g. Zn by movement under tension through an electrolyte 10b, whilst in contact with the periphery of at least one rotatable cathode drum 10d which cooperates with an anode 10f, the entry and exit bites 10e', d' of drum contact being above the level of electrolyte which circulates in a tank 10a e.g. through lines L4, 5 via pump 10h, is protected by (a) reacting electrolyte withdrawn e. g. through line L1 from the circulating electrolyte with the metal, e.g. Zn pigs 12c in a first reaction tower 12a without addition of water to increase the metal concentration (e.g. from 60 to 113g/l Zn) and pH value (e.g. from 0 to 1À7-1À9) thereby reactivating it, and adding reactivated electrolyte to the circulating electrolyte; (b) withdrawing a portion of the reactivated electrolyte, e.g. through line L8, a storage tank 12f and line L9 via pump 12e, and reacting it with the metal, e.g. Zn pigs 12c' in a second reaction tower 12g, without the addition of water to further increase the metal concentration (e.g. to 113À5 g/l Zn) and pH value (e.g. to 2À5) thereby forming a protective fluid 10b'; and (c) applying this fluid, e.g. through line L10, the storage tank 12f and lines L11, 12 via dual proportioning pump 12h 1, 2, to the drum-contacting surface 10c' of the sheet at the entry and exit bites, e.g. via nozzles N4 and N2, 3. The S.G. of the circulating electrolyte, indicating the metal concentration e.g. 60g/l Zn, may be monitored, e.g. by passing it through lines L6, 7 via a sampling element 12d1, to control the amount of electrolyte withdrawn for reactivation, e.g by means of valve V4 in line L1. A portion of the circulating electrolyte may be applied, e.g. through line L3 and via nozzles N1, to the drumcontacting surface of the sheet to clean it by removing contaminated fluid in advance of applying protective fluid, using wringer rolls 10g.
Patent GB-1334751-A (GB)
Title: Epitaxial solution growth of ternary iii-vb compounds
IPC: C30B29/40
Filed: 1971-04-19
Abstract: 1334751 Mixed phosphides and arsenides of Groups IIIb metals TEXAS INSTRUMENTS Inc 19 April 1971 [24 March 1970] 22620/71 Heading C1A [Also in Division B1] In order to maintain the composition of a ternary III-VB compound constant, throughout the thickness of an epitaxial layer, when solution-grown on a binary or ternary monocrystalline substrate, the solution is kept in contact with undissolved material, composed of all three elements of the compound and heated to a higher temperature than the substrate. Preferably, a temperature difference of 10‹ C. and a spacing of 0À5 to 2À0 cm. is maintained, between the immersed substrate 20 and the surface of the solution, on which the undissolved material floats. During growth, the temperature of the solution 16 can be kept constant, gradually raised or lowered in steps. A substrate of GaAs may be used to produce electroluminescent diodes of a composition Ga 0À7 Al 0À3 As, which may be doped with Te for N-type conductivity or Zn for P-type conductivity. The melt is contained in an alumina crucible 11 and heated by a furnace 19, with separately controllable heaters, in an inert gas atmosphere.
Patent GB-845950-A (GB)
Title: Improvements in or relating to ion exchange resins
IPC: C08F8/34
Filed: 1958-07-15
Abstract: Process for the production of ion exchange resins in which at least a part of the groups active in ion exchange are thiol groups, comprises reacting polymers or copolymers of esters of monoethylenically unsaturated monocarboxylic acids, which esters contain chlorine substituents in their alcohol moieties, with one or more alkali metal and/or alkaline earth metal hydrosulphides. Specified polymers are those of chloromethyl acrylate and chloromethyl methacrylate, and copolymers thereof with cross linking agents such as divinyl benzene. Polymerisation may be effected in the presence of azodiisobutyronitrile and thioglycollic acid.  Reaction with the hydrosulphide, e.g. potassium hydrosulphide, may be effected in a solvent or swelling agent for the polymer, e.g. acetone, which may be the liquid medium in which the polymer was prepared.  The hydrosulphide may be added in solution, e.g. in ethanol.  The resin may be in granulate, pearl or film form and has good exchanging capacity for heavy metal cations, e.g. silver, gold, uranium, thorium and platinum.
Patent GB-1319892-A (GB)
Title: Control device for use in induction air filters for internal combustion engines
IPC: F02M31/07
Filed: 1971-04-19
Abstract: 1319892 Heating I.C. engine charge FILTERWERK MANN & HUMMEL GmbH 19 April 1971 [27 Feb 1970] 22681/71 Heading F1B [Also in Division F2] A pivotable valve 6 for controlling the flow through unheated and preheated air passages 2 and 3 of an intake filter 1 has its shaft 7 acted on by a force in a direction to close the passage 2 and by a thermostat 13 positioning stops 21a, 21b for limiting pivoting movement. A weight (11), Fig. 2 (not shown), and/or a spring provide the force on the shaft 7 and the stops 21a, 21b are formed by a ring or fork on the rod 12 of the wax or steam pressure thermostat 13. The stops 21a, 21b co-operate with a crank-pin 9a on a cranked end portion 9 of the shaft 7. The rod 12 is adjustable between end positions in which the passage 2 or the passage 3 is closed, the portion 20 of the rod providing for thermostat extension beyond the extension providing closure of passage 2. At intermediate temperatures the valve 6 is movable by the induction air flow from a position with the crankpin 9a engaging the stop 21b to a position engaging the stop 21a, Figs.3 and 4 (not shown). The air flowing through the passage 3 is heated by heat radiated from the engine exhaust pipe.
Patent GB-1199223-A (GB)
Title: Flow-Control Valve
IPC: F17C5/00
Filed: 1968-05-13
Abstract: 1,199,223. Valves. BASTIAN-BLESSING CO. 13 May. 1968 [19 May, 1967], No. 22710/68. Heading F2V. A combination excess-flow check and filler valve for a liquefied gas system has a concave apertured valve disc 52 slidable within a cupshaped retainer 42 with lateral openings 47 on an enlarged portion 60 of a valve stem 43 mounted in a bore 49 of the retainer 42 and formed with a head stop against which the disc is urged by a spring 46. The stop is urged to the position shown by a spring 45 surrounding the lower part of the stem and acting between the retainer and the end stop 62. On filling a container 11 the disc moves against the bottom of the retainer compressing spring 46 to fully open the openings 47. On excess flow from the container the disc moves against a seat 37 compressing spring 45. A hand shut-off valve 16 is positioned between a service line 32 and a filler line 33 and the check and filler valve. The two part stem 55, 56 may be replaced by a single piece stem the end stop 62 of which is replaced by a washer and snap ring. Alternatively the stem may project upwardly through the valve seat, the head stop being formed on a sleeve surrounding the stem and held against the bottom of the retainer by spring 45.