baber/WOPTO huggingface dataset:
Patent GB-1208145-A (GB)
Title: Improvements in soldering fluxes
Inventor: STRAUSS RUDOLF SIEGFRIED
IPC: B23K35/36
Filed: 1968-05-27
Abstract: 1,208,145. Soldering fluxes. FRY'S METALS Ltd. July 31, 1969 [May 27, 1968; July 24, 1968], Nos.25249/68 and 35401/68. Heading C7M. A soldering flux comprises or consists of a hydrohalide (other than a hydroiodide) of a monobasic amino acid, or such hydrohalide of an ester of such acid with a C1-C10 alcohol. It may contain two or more such compounds or may be a hydrohalide of something containing more than one amino-acid e.g. fish, animal, or mineral protein concentrates. The amino acid preferably has less than 12 C atoms and suitable constituents are the hydrochlorides and hydrobromides of alpha-amino butyric acid, alpha, gamma diaminobutyric acid, leucine, isoleucine, valine, glycine, alpha-alamine, #-alamine, phenyl alanine, serine and hysine. The active agent may be used as such, as a solution in e.g. water and/or alcohol, glycerine, ethylene glycol or polyethylene glycol, in solution or dispersed in e.g. rosin or polyethylene glycol, emulsified in aqueous solution in mineral oil, grease, or wax, as the flux part of solder cream, as a core in solder wire, or as a coating on solder wire, foil, tape, pre-form or powder. The flux may have added to it ¢ to 2 p.b.w. of polyethylene glycol of MW 200-1000 or a substituted NH4 halide, e.g. isopropylamine or ethylamine hydrobromide or hydrochloride. The flux may be applied to Cu, Cu alloy, or steel surfaces as a coating by applying thereto a solution thereof and evaporating the solvent using warm air. Aqueous solutions may have a wetting agent added thereto.
Patent GB-766556-A (GB)
Title: Improvements relating to radiation responsive apparatus
Inventor: WATTS BERNARD NELSON
IPC: G01J1/44
Filed: 1953-12-23
Abstract: 766,556. Photo-electric control systems. BRITISH THOMSON-HOUSTON CO., Ltd. Dec. 20, 1954 [Dec. 23, 1953], No. 35784/53. Class 40 (3). [Also in Group XL (c)] A photo-conductive cell P which is to effect a control in accordance with the temperature of rapidly passing bodies but which is to give an output independent of ambient temperature is connected to an amplifier V1 from the output of which a feed-back signal is derived, amplified at V2 rectified at D1 and integrated at R6, C3 by a circuit of time constant long, relative to the pulse received from the heated bodies. Thus the gain of valve V1, which is of the variable mu-type; is adjusted in accordance with average noise level which varies with temperature and the output of valve V1 is a true indication of the temperature of the hot bodies. A similar rectifier D2 and smoothing arrangement may operate a cathode follower V3 to give warning if the noise becomes excessive or zero owing to a faulty cell.
Patent GB-762935-A (GB)
Title: Frequency conversion circuits
IPC: H04J1/06
Filed: 1954-12-10
Abstract: 762,935. Frequency changing arrangements. WESTERN ELECTRIC CO., Inc. Dec. 10, 1954 [Dec. 14, 1953]. No. 35810/54. Class 40(6) A frequency conversion circuit comprises a harmonic generator HG of the saturable reactor type to which waves from two sources of alternating current FA, FB of different single frequency are fed to produce sum and difference modulation products which are applied to a plurality of separate filters BF adapted to select waves of different single frequencies. As shown the input waves are fed through amplifiers A1, A2, operating as limiters so that the output is independent of the input amplitude. Series tuned circuits 5, 6, and 8, 9, are provided in each input circuit and an adjustable attenuator LP reduces the level of the input wave FB so that the output contains products predominating at the frequency FA. The saturable reactor may be of the unpolarized type described in Specification 477,875 [Group XXXV] and the input frequencies may be harmonically related for example 4 kc/s and 128 kc/s in which case output frequencies of 216, 516, 520 and 556 kc/s may be obtained for a channel carrier system.
Patent GB-1424517-A (GB)
Title: Dispersions of organic pigments
IPC: C09B69/10
Filed: 1972-08-01
Abstract: 1424517 Dyestuffs containing polymeric residues IMPERIAL CHEMICAL INDUSTRIES Ltd 20 July 1973 [1 Aug 1972] 35913/72 Headings C3P and C3R [Also in Divisions C4-C5] Dyestuffs, which are also dispersing agents used in making organic pigment dispersions, and which have the formula D-(Z-R) n  wherein D is the radical of a dyestuff which is attached to Z through a carbon atom of an aromatic ring present in D, Z is a divalent bridging group, n is an integer of 1-8, and R is the residue of a polymer chain, are made by reacting a polymer containing replaceable hydrogen atoms, e.g. in a carboxyl or hydroxy group, with a dye containing one or more Z-Y groups in which Y is Cl or Br, suitably in the presence of an acid binding agent and a quaternary ammonium or phosphonium compound, and preferably under anhydrous conditions in an inert organic liquid. In examples, the polymeric reactant is one of carboxy-terminated polystyrene, carboxy-terminated styrene lauryl methacrylate copolymer, carboxy-terminated poly(methyl methacrylate) and the condensation product of 2-naphthol/30 mols. ethylene oxide; and the dye reactant is copper tris(or pentakis)chloromethyl phthalocyanine, chloromethylated p,p<SP>1</SP> - bis - (6 - methylbenzthiazol- 2 - yl)azobenzene, 1 - (γ - chloro - # - hydroxypropylamino) - 4 - [41 - (# - hydroxyethoxy) anilino] - anthraquinone and 2 - methyl - 4- N,N - bis - (# - hydroxyethyl)amino - 41 - (N- #-chloroethylsulphonamido)azobenzene.
Patent GB-877326-A (GB)
Title: Adjustable film indicator device for photographic roll-film cameras
IPC: G03B1/66
Filed: 1957-11-19
Abstract: 877,326. Photographic roll film cameras. HEIDECKE, R., and FRANKE, H., [trading as FRANKE & HEIDECKE, FABRIK PHOTOGR. PRAZISIONS-APPARATE]. Nov. 19, 1957 [March 16, 1957], No. 35992/57. Class 98(1) In a roll film camera having an adjustable indicator operable from outside the camera for indicating a film condition such as type of film, sensitivity, or format and operable only when the camera is open, the indicator comprises an indicia-carrying disc movable behind a window in the camera casing and resiliently urged into a non-indicating position in which closing of the camera is prevented, the disc being locked in any chosen indicating position on closing the camera by engagement with the movable wall of the camera or a member movable with the wall. As shown in Fig. 1, an indicia-carrying disc 4 visible through a window 2 is urged to the rest position by a spring 6 so that the curved face 8 of the disc prevents closing of the camera back 7. On rotating the disc by means of a knob 5 to present an indication 3 in the window, a straight side of the disc is brought adjacent the rear of the camera and allows closing of the back 7, locking the disc in the selected position. In the embodiment of Fig. 4, a pin 19 on the camera back 17 prevents closure by engaging the periphery of the disc 14 in the rest position shown. The disc is rotated by the knob 15 to the setting chosen and, on upward movement by means of a knob 20 of a lever 21, is latched against spring return by a pin 23 on the lever engaging one of the disc recesses 18, the lever being held against return by its spring 22 by pin 24 engaging in a notch in a detent spring 25. Another of the disc recesses 18 is then adjacent the pin 19 so that the back 17 may be shut whereupon the ledge just below the pin strikes the detent spring 25 to release the lever 20 and the disc is locked by the pin 19. Fig. 7 shows an indicator disc 34 having two sets of recesses 38, 53 for engagement by pins 43, 52 on levers 39, 44 the pin 43 engaging the continuous edge of the disc in the rest position determined by disc pin 34a and fixed stop 36a and so preventing closing of the back 37. On rotating the disc anticlockwise a spring-urged pawl 48 on it rocks the lever 44 anticlockwise to its other equilibrium position by striking a pin 51 so that the pin 52 resiliently engages a recess 53 to hold the disc in the position selected, one of the recesses 38 being then disposed adjacent the pin 43 on the lever 39 so that the back may be closed to lock the disc. Closure causes the lever 39 to engage the pin 51 to pivot the lever 44 anticlockwise back to its initial equilibrium position to move the pin 52 out of the recess 38 so that, when the back is again opened and the lever 39 moves outwardly, the disc is returned to the initial rest position by spring 36.
Patent GB-467739-A (GB)
Title: Improvements in or relating to method of and flat knitting machine for making pile fabric
IPC: D04B1/02
Filed: 1935-12-30
Abstract: 467,739. Knitting-machines. NEBEL, M. Dec. 30, 1935, No. 36004. [Class 74 (ii)] In a flat machine for making pile knitted fabric the ends of the dividing sinkers 20 are reduced in height and the plush thread 3a is deposited, when the needles descend, on an horizontal edge 20d which is not higher than the level of the lower corners 6e of the plush throats 6c of the jack sinkers 6. In this way, the ground and plush threads 1a, 3a are kept separate, during the dividing operation, by the dividing sinkers and the use of special instruments for this purpose is avoided. It is necessary, also, for the needles to be lowered at a quicker rate than usual and a suitable contour of cam for effecting this is described and shown.
Patent GB-1362548-A (GB)
Title: Nestable containers
IPC: B65D21/02
Filed: 1971-07-30
Abstract: 1362548 Nestable containers FOSTER GRANT CO Inc 30 July 1971 [30 July 1970] 36086/71 Heading A4A A nestable tin-walled plastics material container has a bottom 12, a side wall 14 extending upwardly and outwardly from the bottom, a stacking protruberance disposed symmetrically about a vertical axis of the container, the protruberancehavingalower stacking shoulder in the plane of bottom 12 and an upper stacking shoulder 15 parallel to and spaced axially upwards from the lower shoulder, the upper shoulder 15 describing a plural odd number of lobes 21 symmetrically disposed about said axis and connected by intermediate portions 19, said portions 19 being located diametrically opposite respective lobes 21 and being nearer said axis than the lobes, and a protruberance wall 16 connecting said lower and upper stacking shoulders, said wall 16 being divergent in an upward direction relative to said axis at the outer portions of lobes 21 to form an engaging portion 22 on each lobe 21 to engage the lower stacking shoulder on a like nested container, said wall 16 being parallel to or convergent in an upward direction relative to said axis at said intermediate portions. The lower shoulder may be circular of radius Rl which is less than the distance R2 of engaging portions 22 from said axis by at least the minimum wall thickness of the container. In an alternative form, the stacking protruberance is of generally equilateraltriangle form, Fig. 5 (not shown).
Patent GB-1517076-A (GB)
Title: Combination thrust and journal bearing in a rotary mechanism
IPC: F04C18/54
Filed: 1976-09-01
Abstract: 1517076 Rotary positive-displacement fluidmachines CATERPILLAR TRACTOR CO 1 Sept 1976 [14 Oct 1975] 36142/76 Heading F1F [ Also in Division F2] In a slant-axis rotary mechanism having a shaft 22 with an angularly-offset portion 24', the offset shaft portion 24 has an external contour which has the form of a surface of revolution and which is outwardly concave. A rotor member 25, is provided with a bearing member 82 having an inner bearing surface 84 of complementary form which slides in rotation upon the concave shaft surface, thereby serving as a thrust bearing as well as a journal. The rotor member 25' has internal ring gear teeth 26 engaging teeth 28 of a fixed gear incorporated in the housing 10, and thus is made to conform with a timed sequence in its motion. The mechanism may form part of a motor, compressor or pump.
Patent GB-360702-A (GB)
Title: Improvements in brakes for printing and embossing presses
IPC: B41F13/00
Filed: 1930-12-01
Abstract: 360,702. Band brakes. ROCKSTROH, W., 3, Wissmannstrasse, Dresden, Germany. Dec. 1, 1930, No. 36213. Convention date, Dec. 7, 1929. [Class 103 (i).] A brake for printing .or embossing presses of the kind in which a ring a is spread by a cam or lever projection e so as to engage internally with a sleeve attached to the flywheel of the press is constructed so that the shaft d supporting the brake ring has the projection e directly secured thereon, so that the brake ring is spread by the shaft which suspends it. The cam e does not extend over the entire width of the brake ring a
Patent GB-1277942-A (GB)
Title: Improvements in radar systems
IPC: G01S13/56
Filed: 1969-07-18
Abstract: 1277942 Radar SOC DE FABRICATION D'INSTRUMENTS DE MESURE 18 July 1969 [18 July 1968] 36246/69 Heading H4D The Specification describes a CW Doppler radar, of the type comprising an oscillating diode 8 acting as a solid state microwave source within a resonant cavity 9 communicating with a transmit/receive antenna 11, wherein said diode also acts as a receiver mixer producing at its output, across a biasing resistor 14 thereof of value 100 to 500 ohms, the Doppler frequency signals. A preferable range of biasing resistor values is 250 to 350 ohms with a best value of 330 ohms. The diode may comprise a Gunn effect element or an avalanche effect diode. A tuning plunger 13 may be provided as a waveguide 10 coupling the cavity and antenna.
Patent GB-412256-A (GB)
Title: Improvements in or relating to shock- and noise-absorbing materials
Filed: 1932-12-21
Abstract: A noise or shock absorbing sheet or band is made by immersing textile fibres, yarns or threads in a dispersion of non-depolymerized rubber, i.e. rubber in which the original structure is preserved for example rubber latex, under fluid pressure, for example as described in Specification 344,414, forming the treated fibres &c. into a sheet or band and then immersing the sheet in a dispersion of non-depolymerized rubber. Substantially untwisted cotton yarns may be used which are twisted after impregnation to form threads and the sheets may be formed of woven, laid or stranded yarns.  Vulcanizing agents, accelerators, activators such as zinc oxide, antioxidants and fillers may be added to the rubber dispersion and the product may be vulcanized after impregnation.  A layer of rubber may be applied to one or both faces of the sheet and the surface of the textile material or the rubber layers may be coated with a varnish which may comprise chlorinated rubber.  The Specification as open to inspection under Sect. 91 comprises also impregnating a sheet formed from untreated yarns &c. by immersion in a dispersion of non-depolymerized rubber under fluid pressure.  This subject-matter does not appear in the Specification as accepted.ALSO:A noise or shock absorbing sheet or band is made by immersing textile fibres, yarns or threads in a dispersion of non-depolymerized rubber, i.e. rubber in which the original structure is preserved, for example rubber latex, under fluid pressure, for example as described in Specification 344,414, [Group IX], forming the treated fibres &c. into a sheet or band and then immersing the sheet in a dispersion of non-depolymerized rubber. Substantially untwisted cotton yarns may be used which are twisted after impregnation to form threads and the sheets may be formed of woven, laid or stranded yarns.  Vulcanizing agents, accelerators, activators such as zinc oxide, antioxidants and fillers may be added to the rubber dispersion and the product may be vulcanized after impregnation.  A layer of rubber may be applied to one or both faces of the sheet and the surface of the textile material or the rubber layers may be coated with a varnish which may comprise chlorinated rubber.  The Specification as open to inspection under Sect. 91 comprises also impregnating a sheet formed from untreated yarns &c. by immersion in a dispersion of non-depolymerized rubber under fluid pressure.  This subject-matter does not appear in the Specification as accepted.
Patent GB-405098-A (GB)
Title: Improvements in connection with cooking ovens heated by gas
IPC: F24C15/02
Filed: 1932-12-22
Abstract: 405,098. Gas cooking-ovens. FITZPATRICK, H. D., 94, Hope Street, Glasgow. Dec. 22, 1932, No. 36268. [Class 126.] To avoid an outrush of hot air on the opening of a gas. oven door, a ventilator 15 at the back of the oven is operatively connected to the door so as to be automatically opened and closed when the door is respectively opened and closed. In the construction shown in Fig. 4, the hinged ventilator 15 is operated by a link 18 connected to one arm 22 of a bell-crank lever the other arm 21 of which is formed with .a slot engaged by a projection 20 on the end of the door latch 11, the raising of the latch thus opening the ventilator. In the construction shown in Fig. 6, link 18 connects the damper to an cyelet 31 projecting outwardly from the upper hinge, the movement of the door thus operating the damper ; in a modification, the rod 18 is spring-pressed towards the front and carries a roller engaging a camarm extending outwardly from the hinge. The hinged damper may be replaced by one of sliding hit-and-miss type, operated through a bell-crank lever and connecting link from the rod 18.
Patent GB-1376005-A (GB)
Title: Power transmission
IPC: F16D3/06
Filed: 1972-08-03
Abstract: 1376005 Universal joints; seals GLAENZER SPICER 3 Aug 1972 [18 Feb 1972] 36303/72 Headings F2B and F2U A universal joint, or axially slidable shaft coupling, transmits torque between a first element 1 and a second element 49 via an annular member 7, 37 which is enclosed in a fluid tight enclosure formed in part by a sleeve 46 clamped at one end to the element 1 (e.g. by a band or ring which may depress it into grooves in the element 1). and at the other end 16, 47 to the outer surface of the member 7, 37 by a casing 43a not in direct contact with the member 7, 37, but connected (e.g. by spot welding 50 or an outward flange) to the other element 49. The member 7, 37 may be deformed or machined tube. The member 7, 37 may be located in the sleeve end 16, 47 by internal shoulders, or adhesive. The casing may grip the sleeve end 16, 47 by axial or circumferential corrugations. The fluid tight closure may be completed by either the casing, or a blind end at end 46, or a separate blind ended sleeve, Fig. 3 (not shown). The sleeve 46 may be of natural or synthetic rubber, possibly with fibre reinforcing, and may have at the end 16, 47 relief at 28, and/or metal inserts 29.
Patent GB-885344-A (GB)
Title: Improvements in filtering apparatus
Inventor: HOWORTH FREDERICK HUGH
IPC: F24F3/16
Filed: 1959-10-27
Abstract: 885,344. Centrifugal separators. SCRAGG & SONS Ltd., ERNEST, and HOWORTH & CO., JAMES. Oct. 14, 1960 [Oct. 27, 1959], No. 36330/59. Class 23. A separator for removing waste material from an air stream has a separating chamber 13, an aperture 18 for the discharge of air, and a filter 19, 20 covering the aperture. The filter comprises an expanded metal cone covered by a filter cloth. Air to be cleaned enters the chamber through pipes 11, and is whirled by air entering the chamber by tangential pipes 22, 23. The flow of air being induced by an extractor fan 14. The pipes may be connected to a textile machine. In a modification the air and waste material enter the chamber by tangential pipes.
Patent GB-1355382-A (GB)
Title: Rolling mills
IPC: B21B13/10
Filed: 1971-08-03
Abstract: 1355382 Rolling mills DEMAG AG 3 Aug 1971 [7 Aug 1970] 36452/71 Heading B3M A universal roll stand having horizontal and vertical rolls which are vertically removable as a unit from the stand, includes centering guides for the chocks of the vertical rolls, the guides being retractable so that they do not interfere with removal of the rolls. The centering guides 15, Fig. 2, act on the appropriately shaped chocks 7 of the vertical rolls. In the position shown, the guides are retracted and the various chocks of the stand are positioned ready for removal from the stand. The chocks are separated by spacers 12 and supported on rails 35 which extend out of the stand. The guides are movable towards the chocks 7 by hydraulic rams and are retractable by springs 27. In another embodiment, Fig. 3, the guides are formed as projecting blocks 17 which co-operate with corresponding recesses in the chocks 7.. In addition to the rolls being removable from the stand, the stand itself is removable from the mill pass line on rails 40. -The screwdown spindles for one of the vertical rolls may be carried on a horizontal beam (Fig. 4, not shown) which is pivotable away from the stand about a vertical axis.
Patent GB-156118-A (GB)
Title: Process for the manufacture of rubber-like substances
IPC: C08F236/04
Filed: 1920-12-30
Abstract: Vulcanizable synthetic rubber is produced by the polymerization of a mixture of unsaturated hydrocarbons, such as isoprene, butadiene, piperylene or 1 : 3 - dimethylbutadiene, with acrolein-methylamine, CH2 = CH - CH = N - CH3, or its homologues, prepared by condensing an alkyl- or aryl-amine with aerolein.  One part of the amino derivative polymerized with seven parts of the hydrocarbon gives a rubber which can readily be vulcanized.  Condensation may be promoted by high pressure, by addition or fixed alkalies or ammonia, by ultra-violet radiation or high-frequency electric oscillations in presence of a neutral solvent, or by blood charcoal.  The acrolein amino compound may be added to partly polymerized butadienes and condensation continued.  According to the Specification as open to inspection under Sect. 91 (3) (a) increase in the proportion of the amine derivative causes the product to acquire the properties of vulcanized rubber. Thus, with equal parts of the hydrocarbon and the amine derivative, a product resembling rubber and leather is obtained; whilst with seven parts of the amine derivative to one part of the hydrocarbon, an ebonite-like substance is produced.  In addition, the vulcanization of natural rubber can be accelerated by the addition of the acrolein-amino compound.  This subject-matter does not appear in the Specification as accepted.
Patent GB-176924-A (GB)
Title: Lead oxides and the process to manufacture the same
IPC: C01G21/02
Filed: 1920-12-30
Abstract: Litharge is produced by the auto-oxidation of very finely divided lead.  The lead is first powdered by putting lead balls into drums slowly revolving at, for example, 25 revolutions per minute.  The oxidation is started by moisture or heat and then proceeds of itself; more lead powder is added at a proper rate. Litharge can be converted into red lead according to known practice by heating in a furnace or pan at a temperature below 500 DEG  C.
Patent GB-177854-A (GB)
Title: Improvements in reducing gearing
IPC: F16H1/32
Filed: 1920-12-31
Abstract: 177,854. Thompson, W. P., (Wechsel- Schalt-Werk, Ges.). Dec. 31, 1920. Variable-speed gearing comprises a plurality of freely rotating rollers which are displaced radially by eccentrics and drive cam surfaces. Eccentric thrust rings d<1> are carried upon roller bearings d by eccentrics b<3> mounted in different phases upon a driving-shaft b. Rollers e acted on by the rings d<1> are supported by a spacing-member or carrier g, and have a wedging action upon cam surfaces h formed on a driven ring f. If the carrier g is allowed to slip by a brake, the ring f is driven at controlled variable speed. Such cam trains combined in series may also be used to produce a variable-speed drive suitable for vehicles. Several modifications are described.
Patent GB-619468-A (GB)
Title: Improvements in screws and cooperating parts
IPC: F16B33/02
Filed: 1946-12-12
Abstract: 619,468. Screw-and-nut gearing. ETABLISSEMENTS D. F. Dec. 12, 1946, No. 36683. Convention date, Dec. 15, 1945. [Class 80 (iii)] In screw-and-nut gearing in which the screw thread 1 is cut away at intervals to provide a race 2 for balls or rollers, the race is subdivided by a longitudinal partition 3 on the screw, to form a closed track for the balls 4. The clearance between the screw and the nut threads is greater on one side of the screw thread than the other.