baber/WOPTO huggingface dataset:
Patent GB-1561700-A (GB)
Title: Measuringapparatus for measuring the roll gap in gauge-controlled roll stands
IPC: B21B38/10
Filed: 1977-05-11
Abstract: This measuring device for determining the roll gap works in accordance with the echo sounding method by means of ultrasonic waves emitted in pulses. The measurement arrangement is adapted for installation in an insert of a roll and consists of an outer pot-shaped component (6) as well as of an inner pot-shaped chamber part (8), which is slidably arranged and in which a rod (9) engages which is connected to the outer component and carries a spherical reflection surface (9a). The reflection surface (9a) is situated at a distance from a transmitter and receiver arrangement (11, 12) which is carried by the inner chamber part (8). This distance represents the actual measured distance, the chamber part (8) being filled with a liquid for the purpose of better coupling of the ultrasonic waves. <IMAGE>
Patent GB-1507208-A (GB)
Title: Laser rangefinders
IPC: G01C3/00
Filed: 1975-05-09
Abstract: 1507208 Laser rangefinder AMERICAN OPTICAL CORP 9 May 1975 [9 May 1974] 19699/75 Heading H4D [Also in Divisions H1 and G2] A laser rangefinder for measuring cloud heights comprises a pulsed erbium laser which produces a beam of eyesafe radiation which is transmitted through a beam expanding telescope, the reflected radiation from the cloud cover being gathered by a parabolic reflector and focused on to a detector, the echo time being calculated and displayed by known means. The preferred embodiment, Fig. 12, comprises laser generator 74 which is pumped to produce a 2 ms pulse at 1À54 micron wavelength and propagates in a beam which passes through a beam expanding telescope equivalent to a four power afocal telescope comprising reflecting components 76 and 78. Reflecting surfaces 100 and 102 form a periscope which aligns the transmitted and received beams. The received beam passes through a filter 46 arranged to pass the laser radiation and falls on aluminium parabolic reflector 84 and is focused on to germanium avalanche diode detector 50 via beam splitter 86 and viewing scope enabling the device to be accurately sighted. Another similar detector (38, see Fig. 3, not shown) is arranged to detect the outgoing measurement pulse. The echo time may be calculated by displaying the TX and RX pulses on an oscilloscope (58, Fig. 4, not shown) or may be detected and calculated in an analogue to digital storage means (88) and may be displayed on a chart recorder 90. The eyesafe radiation permits the device to be tiltably mounted to facilitate sighting.
Patent GB-1382595-A (GB)
Title: Process for producing a building material comprising hydrated lime and plaster
IPC: C04B11/02
Filed: 1971-06-09
Abstract: 1382595 Calcium hydroxide and plaster CARRIERES ET FOURS A CHAUX DUMONTWAUTIER 5 June 1972 [9 June 1971] 19725/71 Headings C1A and C1H Quicklime, CaO, is reacted at atmospheric pressure with synthetic gypsum, CaSO 4 ,2H 2 O, in a wt. ratio of at least 1 : 4 (in the dry state), the quicklime reacting with the crystal water in the gypsum and free water, if any, to form calcium hydroxide and plaster, CaSO 4 .¢H 2 O. The synthetic gypsum used is preferably phosphogypsum and the reaction carried out in a water saturated atmosphere at temperatures greater than 100 C.
Patent GB-145297-A (GB)
Title: Improvements in classifying and concentrating apparatus for minerals and the like
IPC: B03B5/56
Filed: 1919-08-11
Abstract: 145,297. Richardson, W. W. Aug. 11, 1919. Addition to 140,266. Rotary washing - apparatus. - A riffle plate for a trommel concentrator of the kind described in the parent Specification is formed with a series of circumferential grooves and ridges a, b, Fig. 1, or j, k, Fig. 2, and short longitudinal ridges or ridges and grooves f, e, Fig. 1, or m, Fig. 2, arranged as shown. In other forms the grooves and ridges may follow a helical path round the tromrnel, or single circumferential ridges may be separated by intervening plain surfaces ; and the various arrangements of grooves and ridges described may be combined with each other or with other grooves and ridges extending at an angle to the flow of the material.
Patent GB-804803-A (GB)
Title: Improvements relating to rotary cutters for gears, toothed clutches and the like, and to assemblies of such cutters with spindles therefor
IPC: B23F21/22
Filed: 1956-06-26
Abstract: 804,803. Milling-cutters. GLEASON WORKS. June 26, 1956 [July 8, 1955], No. 19767/56. Class 83 (3). In a milling-cutter having a substantially discshaped head 16 with blades 17 projecting from the periphery of the head, and having a rear face 33 for engaging the spindle 10 and a tapered bore 34 to fit the tapered nose 13 of the spindle, an annular groove 37 defines a hub portion 39 which is connected to the blade-carrying part 41 by a web 42, and the face 33 is disposed radially outwardly of the groove 37. The latter reduces the strain on the part 41, of engagement between the nose 13 and the hub 39, and preferably extends beyond the limit of contact between these parts, which may be shortened by a counterbore 38. A screw 25 engaging a clamping plate 24, secures the cutter on the spindle, with a key 35 on the spindle engaging in a slot 36 in the cutter. The plate is fixed to the cutter by further screws, and the head of the screw 25 retained in a recess in the plate by a cover 27 having an access hole 28 for a key for turning the screw, the cover being secured to the plate 24 by screws 29, 32 and engaged by the head of the screw 25 when this is turned, to disengage the tapered surfaces 14, 34, as described in Specification 804,804. The cover 27 may be pivoted about the screw 29 to uncover the screw 25. The nose of the hub 39 does not bear on the surface 12 of the spindle, and the blades are integral with a ring 22 shrunk on to the cutter and held by screws 23. The blades may be arranged along one or more spirals about the axis of the cutter, and have cutting edges 18, 19, 21 or cutting edges 18, 21 or 19, 21; or 18, 21 and 19, 21 on alternate blades respectively, or alternate blades may have tip cutting edges or side cutting edges respectively. In a modification, Fig. 4, the cutter, having an annular groove 61 and detachable cutting blades 47, is clamped to the spindle by screws 53. In a further modification, Fig. 6, the groove 79 is formed in the forward surface of the cutter, which is secured to the spindle 71 by a clamping plate 76 and a screw 77 engaging screw threads in a nipple 78 screw threaded into the end of the spindle.
Patent GB-1504929-A (GB)
Title: Inorganic-organic compositions inorganicorganic compositions
IPC: C08G18/08
Filed: 1975-05-12
Abstract: Inorganic/organic plastics in the form of porous to foam-like mouldings, in particular having densities of 10 to 800 kg/m<3> and compressive strengths of 0.1 to 150 kp/cm<2> are prepared. These mouldings, which may of course also contain fillers and reinforcing materials, can be used for a variety of applications in the construction industry, it being possible for the properties to be matched to requirements in broad limits by simply changing the mixing ratios of the reaction components. The mouldings are obtained by reacting a mixture of   (1) from 2 to 95% of aqueous silica sol which preferably contains from 20 to 60% by weight of silica, (2) from 5 to 98% of organic polyisocyanate with the exception of polyisocyanate prepolymers containing nonionic hydrophilic groups, and   (3) from 0 to 93% of water-binding aggregates, with pore formation. The percentages are % by weight and relate to the total mixture. Additives such as catalysts, blowing agents, emulsification auxiliaries and other substances which are reactive with NCO groups are possible.
Patent GB-530944-A (GB)
Title: Improvements in steam injectors
IPC: F04F5/46
Filed: 1939-07-07
Abstract: 530,944. Injectors. METCALFE, R. D., and METCALFE, J. C. July 7, 1939, No. 19797. [Class 71] In a steam injector, the combining nozzle d, which has a hinged flap f, is mounted for circular movement around a cylindrical part e<SP>2</SP> of the delivery nozzle e, e<SP>1</SP>. The latter has a plurality of relatively closely spaced tapped apertures q into any two of which screws securing the combining nozzle to the delivery nozzle can engage. By this means the combining nozzle can always be fixed in a position in which the hinged flap f is at the upper side irrespective of any change in the setting of the delivery nozzle.
Patent GB-625575-A (GB)
Title: Improvements in or relating to electric generators
IPC: H02K21/00
Filed: 1946-07-02
Abstract: 625,575. Machines with permanent magnets. SMITH & SONS (ENGLAND), Ltd., S., and WORSTER, N. G. July 2, 1946, No. 19802. [Class 35] [Also in Group XXXVIII] In a tachometer or speedometer generator the output E.M.F. may be adjusted by rotating a nut 22 which then moves axially, the stator 23 to vary the flux linkage between the stator 23 and the poles 16 of the permanent magnet rotor 11. The output E.M.F. is applied to a voltmeter scaled in speed units and axial movement of the stator 23 through a rack and pinion 28, 29 drives a-spring-controlled pointer 30 over a scale calibrated in wheel diameter so that the output E.M.F. may be adjusted as, for example, track wear reduces the diameter of the locomotive wheel engaging the crank 20 secured to the generator shaft 17. The nut 22 rotatably mounted within and supporting the stator 23 is screwed on to a casing projection 21; a toothed. annulus 24 on the nut 22 meshes with a pinion 26 rotatably mounted on the stator 23 so that a key may be inserted at 27 to rotate the pinion 26 and thus move the nut 22. The overlapping portions of the end pieces 13, 14 between which the cylindrical axially magnetized rotor 11 is clamped are provided with interdigitated tapered poles 16 so that the E.M.F. output may be adjusted to produce a linear scale on the speed indicator.
Patent GB-1385957-A (GB)
Title: Extraction of lead
IPC: C01G21/00
Filed: 1972-04-28
Abstract: 1385957 Carbon-load complexes UNIVERSITY OF MELBOURNE 28 April 1972 [29 April 1971] 19901/72 Heading ClA [Also in Division C7]  Lead values are extracted from an ammoniacal solution of an ammonium salt, containing dissolved lead values by contacting the solution with a carbonaceous material selected from coal, brown coal, lignite or peat or a char derived therefrom, or coke. The ammonium salt is preferably ammonium sulphate and the lead recovered from the carbonaceous material by oxidation of the carbonaceous material to give carbon + lead, from which the lead may be melted out.
Patent GB-330789-A (GB)
Title: Improvements in heel protectors for boots and the like
IPC: A43B21/433
Filed: 1929-06-28
Abstract: 330,789. Vincenz, F., and Burger, H. June 28, 1929. Protectors, construction of; countersunk tips.-A heel pad a is provided with a detachable tip portion c accommodated in a recess in the pad. The tip is reversible and of the shape shown, and is held in position by a single central screw engaging a leather or metal washer e. Reference has been directed by the Comptroller to Specification 1221/12.
Patent GB-236757-A (GB)
Title: An improvement in means for cleaning the cylinders or rollers of carding or scribbling machines
IPC: D01G15/80
Filed: 1924-08-23
Abstract: 236,757. Cave, B. T. Aug. 23, 1924. Carding -engines. - The reciprocating cleaning - roller B for the swift or other roller of a carding or scribbling machine is furnished with radially projecting flat plates or blades h of triangular shape. The plates are arranged spirally around the roller, and the distance apart depends on the range of the reciprocating movement. The edges of the plates are reduced in thickness to a blunt knife edge, or are rounded off. The length of the plate allows an air gap between the surface of the clothing a<1> and the roller B. The slope of .the sides of the plates may be different, and the roller may be reversed.
Patent GB-275609-A (GB)
Title: Manufacture of triarylmethane-dyestuffs
IPC: C09B11/12
Filed: 1927-07-27
Abstract: 275,609. I. G. Farbenindustrie Akt.- Ges. Aug. 9, 1926, [Convention date]. Triarylmethane dyes. - The residue of a 4- alkoxydiphenylamine is introduced into a triarylmethane dyestuff as one of the aryl groups. According to one example, 4-methoxydiphenylamine is condensed with 4: 4<1>-tetramethyldiaminobenzophenone by means of phosphorus oxychloride and the resulting basic dyestuff is sulphonated in the usual manner. In a second example, Guinea green 2G is heated with 4- amino-1-ethoxybenzene as described in German Specification 287,003 in the presence of hydrochloric acid. The dyestuffs dye wool in a feebly acid bath clear blue tints of pronounced fastness to light.
Patent GB-1511507-A (GB)
Title: Translating a phase modulated image pattern into an amplitude modulated image pattern
IPC: H04N5/74
Filed: 1975-05-13
Abstract: 1511507 Optical imaging; controlling light XEROX CORP 13 May 1975 [26 Aug 1974] 20026/75 Headings G2F and G2J A phase-modulated image (e.g. that of a Ruticon or Fericon type of voltage-sensitive, light modulating recording medium 10) is translated into an amplitude-modulated image on screen 11  by apparatus comprising two light sources P 1 , P 2  whose light is deflected by two on-axis reflectors P 1 ', P 2 ' on to the medium 10. The diffracted light is imaged by lens L 3  on to the screen 11, the reflectors P 1 ', P 2 ' themselves serving to obstruct the zero-order light.
Patent GB-1165415-A (GB)
Title: Improvements in reciprocating metering pumps
Inventor: COFFEY HENRY FRANKLIN
IPC: F04B19/02
Filed: 1967-05-01
Abstract: 1,165,415. Reciprocating pumps. ELI LILLY & CO. May 1, 1967, No.20046/67. Heading F1A. The head 16 of the cylinder 14 of a piston pump is mounted on a bracket 22 on a support plate 21 and has resilient inlet and outlet condiuts 18, 19 lying between pairs of members 31, 33 between which the conduits may be pinched to give valving action. The members 33 are fixed to the plate 21 and the members 31 are on members 27 pivoted on the plate 21, each member 27 having an end 29 respectively engageable with a pin 44 fixed to a member 38 in which the plate 21 is slidably mounted, and a pin 45 adjustably secured to the member 38. The members 27 are connected by a spring so that when the ends 29 are not in engagement with the pins 44, 45 the conduits are pinched and closed. Upward movement of the piston 13 causes the piston, cylinder and plate 21 to move up until the end 29 engages the stop 45 thereafter the outlet conduit 19 is opened and the cylinder and plate 21 remain stationary while the piston discharges. After t. d. c., downward movement of the piston causes downward movement of the piston, cylinder and plate 21 until the end 29 disengages from the stop 45 and that member 27 pinches the outlet-conduit, and the end 29 of the other member 27 engages the stop 44 to open the inlet conduit 18, thereafter the piston 13 draws liquid into the cylinder. The quantity of liquid discharged is regulated by adjusting the stop 45.
Patent GB-390986-A (GB)
Title: Improvements in thermionic amplifiers
IPC: H03H7/01
Filed: 1932-07-15
Abstract: 390,986. Transformers. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN, 13D, Emmasingel, Eindhoven, Holland. July 15, 1932, No. 20070. Convention date, Aug. 1, 1931. [Class 38 (ii).] The coupling coils S1, S2 in an intermediate-frequency amplifier are in telescopic metal. screening - c a s e b1, b2. A metallic screen r between the coils prevents capacitative coupling.
Patent GB-807626-A (GB)
Title: Lubricant composition
IPC: C07F11/00
Filed: 1956-06-28
Abstract: A lubricant composition comprises a major proportion of a lubricating oil and a minor proportion of at least one aliphatic or alicyclic ester of molybdic acid.  Suitable lubricating oils include naphthenic and paraffinic mineral oils and synthetic oils such as alkylene polymers, coal and shale derivatives, alkylene oxide polymers and their ethers and esters, dicarboxylic acid esters, alkyl benzenes, liquid phosphorus acid esters, e.g. tricresyl phosphate and diethyl ester of decane phosphonic acid, polyalkyl-, polyaryl-, polyalkoxy-, and polyaryloxy siloxanes, and silicate esters, e.g. tetra-alkyl and tetra-aryl silicates. The esters of molybdic acid are those obtained by the reaction of molybdic anhydride, molybdenum trioxide, ammonium molybdate or paramolybdate, or molybdanyl chloride with an aliphatic or alicyclic alcohol (see Group IV (b)).  The alcohols preferably contain up to 24 carbon atoms and the hydrocarbon radicals may be primary, secondary or tertiary, straight chain, branched chain or cyclic, many examples being given, the oxoalcohols being preferred. Ether alcohols may also be used.  Optional ingredients mentioned are phthalic acids, e.g. terephthalic acid, calcium petroleum sulphonates, calcium alkyl phenates and other conventional additives. In examples, tridecyl, n-octyl, oxo decyl, and oxo tri-decyl molybdates are incorporated in a solvent-refined SAE40 mineral oil containing calcium petroleum sulphonate and calcium alkyl phenate. One example also contains terephthalic acid.ALSO:Aliphatic or alicyclic esters of molybdic acid suitable for use in lubricating oil compositions (see Group III) are prepared by the reaction of molybdic anhydride, molybdenum trioxido, ammonium molybdate or paramolybdate, or molybdanyl chloride with an aliphatic or alicyclic alcohol.  The alcohols preferably contain up to 24 carbon atoms and the hydrocarbon radicals may be primary, secondary or tertiary, straight chain, branched chain or cyclic, the oxo alcohols being preferred.  Ether alcohols may also be used.  Examples include methyl, ethyl, isopropyl, n-butyl, t-butyl, n-hexyl, cyclohexyl, n-octyl, 2-ethylhexyl, isooctyl, decyl, dodecyl, tridecyl and octadecyl alcohols, "Cellosolve" and "Carbitol" ("Cellosolve" and "Carbitol" are Registered Trade Marks).  The esters are believed to exist in the dimeric and trimeric forms.  In examples the esters of the following alcohols are esterified with ammonium molybdate (which in some cases is prepared in situ from M0O3 and NH4OH) under reflux in xylene or toluene for 13 1/2 hours: n-octyl, oxo decyl and oxo tridecyl.
Patent GB-169419-A (GB)
Title: Improvements in parallel rulers
IPC: B43L13/04
Filed: 1920-03-24
Abstract: 169,419. Chomel, J. March 24, 1920. Rulers.- A parallel ruler comprises a guide member a and a U-shaped ruling-member b having graduated legs b<1> which slide in sockets c in the member a and can be secured by screws t<3>, t<4>.
Patent GB-515877-A (GB)
Title: Improvements in and relating to adjustable coil spring anchorages
IPC: G01L7/16
Filed: 1938-07-07
Abstract: 515,877. Helical springs. TURNER, H., and BROWN, T. July 7, 1938, No. 20094. [Class 108 (iii)] An adjustable anchorage for helical spring 12 includes a web 15 or projection adapted to engage between adjacent coils of the spring and locking means for preventing relative rotation of the spring and web which are capable of being rendered effective at will. As shown, a segmental web 15 is carried by a flanged sleeve 13 and is adapted .to be screwed into the spring 12. A flanged sleeve 18 is slotted to engage the bent end 16 of the spring. The sleeves are clamped together. The web may be helical and may be carried by a member -dispersed internally of the spring. The invention is shown applied to a tyre pressure-gauge
Patent GB-1526734-A (GB)
Title: Golf clubs
IPC: A63B53/00
Filed: 1975-09-05
Abstract: 1526734 Golf clubs SQUARE TWO GOLF CORP 5 Sept 1975 [5 Sept 1974] 20171/78 Divided out of 1526733 Heading A6D A golf club handle includes an adjustable weight of the particular type disclosed in the parent specification.
Patent GB-783278-A (GB)
Title: Improvements relating to incandescent electric lamps
Inventor: WOODWARD FRANK
IPC: H01K1/18
Filed: 1954-07-09
Abstract: 783,278. Electric incandescent lamps. SIEMENS BROS. & CO., Ltd. July 8, 1955 [July 9, 1954], No. 20187/54. Class 39(2) An electric incandescent multi-filament lamp, e.g. for projection purposes, has the separate filaments 9 arranged in two sets, with the filaments of each set lying upon a common, theoretical, semi-cylindrical surface, the ends of the filaments of each set being secured to separate support rods 4a, 5a and 4b, 5b respectively, and the equipotential points intermediate the ends of the filaments of a set being supported and interconnected by wires 11 both ends of which are anchored. In the example the support rods for the ends of the filaments consist of forked vertical extensions of two nickel rods 4 and 5 sealed into the pinch 3 in known manner. Two ceramic bridges 6 and 7 extend from between the prongs 4a, 4b of one fork to betwen the prongs 5a, 5b of the other fork, at positions respectively above and below the filaments, and are held in position by nickel strips 8 located above and below the bridges 6, 7 and welded to the adjacent prongs and are further held by molybdenum wires 8a which are passed through holes in the bridge pieces and have their ends welded to the strips 8. The vertical wires 11 which provide intermediate support for the filaments 9 have their upper and lower ends welded to rigid wires 10 which are secured to the bridge pieces 6, 7 by passing through holes provided therein, the corresponding wires 1 of each set being equal and of such length that their ends lie along a circular path of the same diameter as that of the filaments 9. Before being welded to the wires 10 the wires 11 are each threaded through a helix 12 of molybdenum wire which is interrupted by gaps corresponding to the spacing of the filaments and forming loops 13 through which the filaments are passed. 'The helices 12 are spot welded at their ends to the molybdenum wires 11.
Patent GB-505328-A (GB)
Title: Improvements in or relating to electric high-pressure metal-vapour discharge tubes
IPC: H01J61/30
Filed: 1938-07-07
Abstract: 505,328. Discharge lamps. NAAMLOOZE VENNOOTSCHAP PHILIPS'GLOEILAMPENFABRIEKEN. July 7, 1938, No. 20193. Convention date, July 10, 1937. [Class 39 (i)] The wall of a high-pressure metal-vapour discharge tube has contractions opposite the ends of the electrodes for restraining the vaporizable metal from which the electrodes project slightly when the tube is in the horizontal position. In the form shown, the quartz tube 1 has an internal diameter of 2À5 mm. and has contractions 4 facing the ends of the electrodes 2 which project about half a millimetre from the amalgam or mercury 3. The tube is surrounded by a cooling envelope (not shown) through which cooling water is led during operation. The mercury may be heated up for initiating the ignition. Specifications 431,450 and 502,321 are referred to.