baber/WOPTO huggingface dataset:
Patent GB-976884-A (GB)
Title: Improvements in water-or vapor-impermeable sheet material
IPC: B05D7/02
Filed: 1962-06-21
Abstract: 976,884. Laminates. W. R. MEADOWS Inc. June 21, 1962 [June 23, 1961], No. 23876/62. Heading B5N. A laminated membrane-liner 20, which may be used as a water or vapour barrier, comprises a central sheet 21 of a vinyl chloride resin sandwiched between layers 22 of an asphalt having a softening point between 170‹-235‹ F., which layers are covered by asphalt saturated felt reinforcing sheets 23. The sheets 23 may be covered by further layers 24 of a harder asphalt having a softening point of at least 225‹ F. and outside layers of mica if desired. It has been found, due to the time lag between the application of heat to a vinyl chloride sheet and its loss of tensile strength, that if the hot asphalt layer is applied to the sheet, and the laminate thus formed quenched before a certain time e.g. 2-5 seconds, the vinyl chloride sheet will bond to the asphalt although the asphalt is at a temperature above the actual melting point of the vinyl chloride. With reference to Fig. 8 a polyvinyl chloride sheet 21 is drawn from roll 31 and mated by spreader bar 45 with the lower felt sheet 23 the upper surface of which has been coated with a layer 22 of hot asphalt at about 320‹-350‹ F. by the coating roller 32. The upper felt sheet 23 is coated on its underside by a similar roller 32 and applied to the upper surface of the P.V.C. sheet by the rollers 37. The laminate thus formed is subsequently coated with upper and lower layers of a harder asphalt by applicators 34 and 34a. The blades 38 remove any excess asphalt and an upper sheet of mica is applied at 39. The laminate is then cooled by sprays 41, trimmed to the required width by rolls 42 and cut into disposable lengths by knife 44.
Patent GB-501600-A (GB)
Title: Improvements in or relating to foldable photographic cameras
IPC: G03B9/58
Filed: 1937-09-01
Abstract: 501,600. Photographic cameras. KODAK, Ltd. Sept. 1, 1937, No. 23902. Convention date, Sept. 2, 1936. [Class 98 (i)] A foldable photographic camera of the kind in which the adjusting'members of lens shutter and diaphragm are mounted concentrically with the objective is provided with manually operable means on the camera housing connected with the mechanism at the camera front for adjusting the diaphragm and/or shutter setting means. In the form shown the diaphragm and shutter speed are controlled by toothed segments 36 and 37 meshing with pinions 33 and 34 meshing in turn with racks 26 and 27 slidably mounted on either side of the plate 24 upstanding from the camera bed. The controls on the camera housing comprise the knobs 10 and 11, with scales at 10a and 11a, attached respectively to the spindle 7 with threaded portion 8, and the threaded sleeve 9. The threaded portions engage the slidably mounted members 14 and 15 which receive in the recesses 19 the ends 20a and 21a of levers 20, 21 pivoted on the camera bed and coupled at their outer ends by pins 30 to lugs 31 and 32 integral with the racks 26 and 27. Diaphragm and shutter speed may thus be adjusted by the knobs 10 and 11. A plate 41 resiliently mounted on the camera bed at 42 carries upstanding lugs 43 which engage in notches in the objective support to retain the camera in the open position. To release it for folding the finger piece 45 is depressed. Levers 47 pivoted to the bed at 48 have transverse arms 51 and arms 49 with pins 40 which bear against the levers 20, 21 under the action of springs 52. In the position of the levers shown in Fig. 1 the aperture 41a in the plate 41 permits the plate to be depressed and the camera folded. With any other setting of diaphragm and shutter controls this is prevented by movement of either or both of the arms 51 under the plate 41. As the camera is closed the pins 20a, 21a move out of the recesses 19 but movement of the knobs 10 and 11 is prevented by the lugs 53 which take their place.
Patent GB-636316-A (GB)
Title: Improvements in or relating to navigation aiding radio systems
IPC: G01S1/02
Filed: 1945-09-17
Abstract: 636,316. Radio navigation. SADIRCARPENTIER. Sept. 17, 1945, No. 23981. Convention date, Oct. 15, 1943. [Class 40 (vii)] Relates to overlapping-beam beacon systems in which the amplitude ratio of two modulation signals transmitted simultaneously is dependent on the bearing, the equi-signal axis defining a course line. The invention utilizes the principle that if the carrier and side bands of a modulated signal are radiated respectively from spaced points their relative phase is a function of azimuth and consequently at a distant receptive point the modulation depth and hence the amplitude of the signal obtained on demodulation varies with azimuth. In one embodiment a carrier frequency from a source 1 is applied to a non-directional aerial A and through separate phase-shifters 3 and 6 to modulators 4 and 7 where it is modulated by different low-frequencies f 1 and f2 from sources 5 and 8, the resulting side-bands being radiated from the non-directional aerial B. At the receiver the amplitudes of the signals f1 and f2 obtained on demodulation are a function of the phase difference (#+#) between the carrier and side-bands, where 8 is the phase difference due to the aerial spacing and is the fixed phase shift produced by phase-shifter 3 or 6. The signals are separated by applying them simultaneously or sequentially through tuned filters and their amplitudes are then compared and it is shown that when the amplitudes are equal 2#=m#-(#1+#2), thus defining an equisignal path, the position of which is determined by the fixed phase shifts #1 and #2. In a modification, the carrier and f1 side-bands are transmitted from one aerial and the f2 sidebands are transmitted from the other aerial so that at the receiver the amplitude of the f2 signal only is dependent on azimuth. In the Specification as open to inspection under Sect. 91, it is stated that the carrier may be applied to both aerials in the first embodiment. This subject-matter does not appear in the Specification as accepted.
Patent GB-477284-A (GB)
Title: Burners for use in the hardening of metal surfaces
IPC: C21D1/08
Filed: 1936-06-20
Abstract: 477,284. Gas burners. HERBERT, Ltd., A., LLOYD, A. H., and BEENY, H. H. June 20, 1936, No. 23990/37. Divided out of 477,277, [Group II]. [Class 75 (i)] A burner, particularly for use in hardening metal surfaces, has a narrow outlet slit 20 formed by two plates 18 secured by screws 19 over a slot 16 in the body 12 so that the slit 20 can be readily renewed when it becomes worn. The edges of the plates are preferably soldered to the body. The slit may be slightly inclined. The body is cooled by providing two passages 21 connected at the ends to water inlet and outlet pipes. In a modification for hardening an inverted-V-shaped member, such as a lathe bed rail, the body 29, Fig. 3, is provided with two inclined outlet slits 20 fed through a common inlet 14, the plates 18 being bevelled at 30 to facilitate soldering. Specification 456,128, [Group XXII], is referred to.
Patent GB-1306474-A (GB)
Title: Roller burnishing tools
IPC: B24B39/02
Filed: 1971-04-19
Abstract: 1306474 Roller burnishing; peening MADISON INDUSTRIES Inc 19 April 1971 [23 March 1970] 24007/71 Headings B3M and B3H A roller burnishing tool 10 incorporates a number of rollers 14 which act on the surface of a workpiece with a combined burnishing and peening action. The rollers are mounted in a cage 16 and act against the outer cylindrical surface of a workpiece while being supported by the inner surface of a mandrel 12. The mandrel has grooves 24, 26, 28 (Fig. 2) in its surface separated by lands 25, 27. The formation of the grooves and the number of rollers are arranged so that at least three rollers contact a land at any time (i.e. they are performing a burnishing action on the workpiece). The tool may be rotatably mounted in a tool by a shank 22, or a rotating workpiece may be inserted between the rollers. A similar tool (Figs. 3, 4, not shown) for acting on the interior of a cylindrical surface employs a number of rollers arranged about a central grooved, mandrel. The rollers may be skewed relative to the tool axis.
Patent GB-205069-A (GB)
Title: Improvements relating to rotary kilns
IPC: F27B7/20
Filed: 1923-09-26
Abstract: 205,069. Fasting, J. S. Oct. 6, 1922, [Convention date]. Rotary furnaces.-The shell of a rotary kiln is built up of rings or sections, which are fitted into one another in such manner that the kiln tapers, as shown, from the burning zone towards both ends. By this arrangement the inclination of the drying and cooling zones is increased and reduced respectively.
Patent GB-1021112-A (GB)
Title: A new salt and a new process for the recovery of kanamycin
Inventor: FABRIZIO GERARDO
IPC: C12P19/48
Filed: 1963-06-17
Abstract: The invention relates to kanamycin lauryl sulphate.  Kanamycin lauryl sulphate is obtained by the addition of sodium lauryl sulphate to a clarified culture broth of Streptomyces Kanamyceticus at pH 2 to 6 and especially 3.8. Kanamycin sulphate may be obtained from kanamycin lauryl sulphate by dissolving in water, adjusting to pH 9 to 11 by means of an organic or inorganic base, precipitating the lauryl sulphuric anion with Ba(OH)2, separating the precipitate and creating the residual aqueous solution with activated charcoal, adjusting to pH 8.0 with H2SO4 and finally adding methanol or acetone. Alternatively, the kanamycin lauryl sulphate may be dissolved in methanol, the pH adjusted to 8 with ammonia and lauryl sulphate precipitated by addition of sulphuric acid.
Patent GB-685393-A (GB)
Title: Improvements relating to horizontal regenerative coke ovens
IPC: C10B5/10
Filed: 1950-10-02
Abstract: 685,393. Coke ovens. DIDIER-KOGAGHINSELMANN KOKSOFENBAU UND GASVERWERTUNG AKT.-GES. Oct. 2, 1950 [June 29, 1949], No. 24049/50. Class 51 (ii). In a horizontal regenerative coke oven having the regenerators arranged longitudinally below the oven chambers, each regenerator sole flue is divided into an air or lean gas flue 3 and a waste gases flue 4 by a partition wall 2 built up of hollow bricks so disposed as to form a row of vertical passages 5 opening into the regenerator chamber above them, alternate lower passages having side ports opening into the flue 3 and the flue 4 respectively. Valve bricks 8 resting on the sole flue bottom may be adjusted from outside the oven to control the side ports.
Patent GB-1369561-A (GB)
Title: Method of densifying vapour deposited borosilicate glasses
IPC: C03C17/02
Filed: 1972-05-23
Abstract: 1369561 Densifying vapour deposited glasses RCA CORPORATION 23 May 1972 [26 May 1971] 24102/72 Heading C1M A vapour-deposited layer of a borosilicate glass is densified by heating the layer to a temperature of between 400‹ and 450‹ C. in an atmosphere of water vapour. The glass is preferably deposited by a vapour phase reaction using a mixture of silane, diborane and oxygen. The layer is preferably 1 to 5 microns thick and contains 15 to 20 mole per cent B2O3.
Patent GB-1196814-A (GB)
Title: Improvements relating to Water-Cooling Towers.
Inventor: KIRKALDY JOHN LILLIE RAMSAY
IPC: F28C1/02
Filed: 1968-05-22
Abstract: 1,196,814. Cooling towers. J. L. R. KIRKALDY. 22 May, 1969 [22 May, 1968], No. 24308/68. Heading F4K. A water cooling tower embodies a bed of low density balls, e.g. ping-pong balls, to break up the stream of water into particles which are cooled by contact with an upward flow of atmospheric air which also fluidizes the balls. The balls may be of ovoid shape, and/or slotted to prolong the dwell period of the water within the tower.
Patent GB-840544-A (GB)
Title: Improvements in or relating to methods of forming conducting elements on insulating supports
IPC: H05K3/04
Filed: 1956-08-09
Abstract: 840,544. Forming printed circuits by etching or electrodeposition. TELEFUNKEN G.m.b.H. Aug. 9, 1956 [Aug. 11, 1955], No. 24402/56. Class 41. [Also in Group XVI] In a method of forming conducting elements on an insulating support the support is provided with a conducting layer thereon, a member having a pattern of raised portions on the operating face thereof is pressed against the conducting layer, and an etching fluid or electrolyte is introduced between the raised portions. In one embodiment the fluid is such that the areas of the conducting layer intermediate between the raised portions are removed whilst the areas of the conducting layer in contact with the raised portions are not removed, whereby a pattern of conducting elements corresponding to the pattern of raised portions remains on the insulating support. The member is provided with raised portions 2, 3, 4, 5, Fig. 1, corresponding to the circuit pattern of a printed circuit panel it is desired to produce, and the fluid is introduced into the space between the raised portions through a channel 7. Outlet channels 8 and 9 for fluid are provided. The member may comprise a base portion 10 of rubber and an upper portion 11 of synthetic material. In an alternative embodiment the raised portions on the member correspond to the areas intermediate the desired pattern and an electrolyte is introduced between the raised portions capable of depositing a conductive layer in the areas of the desired pattern. After removal of the member the conducting layer in the intermediate areas is removed.
Patent GB-1174070-A (GB)
Title: Improvements in Modulator Circuitry
IPC: H05H1/00
Filed: 1968-05-22
Abstract: 1,174,070. Amplitude modulation. C.I.T.- COMPAGNIE INDUSTRIELLE DES TELECOMMUNICATIONS. 22 May, 1968 [24 May, 1967], No. 24409/68. Heading H3R. [Also in Division G4] Circuitry providing an amplitude modulated radio frequency carrier comprises a generator of ratio frequency energy, a bridge circuit with two inputs and at least one output from which the amplitude modulated carrier is obtained, and a numerically controlled phase-shifting means to apply the said energy to the two inputs of the bridge circuit, simultaneously varying in complementary relation the phases of the two portions of the energy applied to the two inputs. R.F. energy from source 5, Fig. 2, is applied to a bridge having arms 1, 2, 3, 4 in which arms 1, 2, 3 comprise lines which are a quarter of a wavelength long at the radio frequency and arm 4 is three-quarters of a wavelength long; if the R.F. energy is fed in at the centre M of line 6 connecting corners A, B of the bridge and corners C, D are terminated in the characteristic impedance of the lines, then no output is obtained at corner C and a maximum output at corner D. Varying outputs are obtained at the points C, D by varying the connection points E1-E8 of generator 5 along line 6; this is performed by switch 10 so as to stepwise modulate the outputs at points C, D, giving two outputs mutually phased 90 degrees apart. Stepping of switch 10 is controlled by control element 11 connected to output terminals n11-8 of a logic circuit 12, the input terminals ml-8 of which are connected to the output terminals of cascaded binary counter stages comprising bi-stable multivibrators 14-17 driven from timing signal generator 13. The outputs from points C, D of the bridge are connected to switch contacts p 1 , q 1  respectively and by half wavelengths of line 19, 22 respectively to switch contacts P 2 , q 2 , and the output terminals S 1 , S 2  are connected to switches 20, 23 respectively, whereby a reversal of phase can be introduced. The switches are operated by means of control elements 21, 24 respectively, connected to terminals n 9 -n 12  of logic circuit 12, the corresponding input terminals m 9 -m 12  being connected to the output terminals of binary counter stages comprising bi-stable multivibrators 18, 18<SP>1</SP>. The Specification also describes diode switching arrangements for the switches 10, 20, 23 (Figs. 6, 7, 8, not shown), and a network comprising AND and OR gates, suitable for the logic circuit 12 (Fig. 9, not shown). The tapped portion of the line 6 may be an effectively quarter-wavelength long zig-zag metal strip 65, Fig. 10, sandwiched between insulating sheets separating it from two metal plates, switching being performed by means of diodes 30 connected to the points E 1 -E 8  in the metal strip. The arrangement may be used to feed two transmitter aerials with a set of sidebands to provide an omnidirectional VOR radio beacon or may be used to produce 90 c/s. and 150 c/s. modulated sideband signals in an I.L.S. system.
Patent GB-388769-A (GB)
Title: Treating yarns to facilitate weaving in looms having stationary weft supplies
Filed: 1931-09-01
Abstract: Weaving is facilitated by applying to yarns, continuously with weaving, de-electrifying substances containing alkylolamines or their derivatives, e.g. salts, soaps, esters and acid amides thereof, di- or poly-hydric alcohol derivatives in which some of the hydroxy groups of the alcohols are esterified by fatty acids, the o -amino-alkylamides of fatty acids, or mixtures of two or more of such bodies.  The de-electrifying substances, which may be applied alone or in combination with a hygroscopic body include the following compounds: propanolamine, dioxypropylamine, hydroxyethylaniline, ethyleneglycol monooleate, di-ethyleneglycol monooleate, glycerol monooleate, glycerol dioleate and corresponding compounds derived from stearic, palmitic and ricinoleic acids.  Mono-, di- or tri-ethanolamine may be applied as a solution in a paraffin oil.  The substances may be applied to the weft, as it is proceeding from the supply package, by means of a wick, pad or roller and similar means may be employed for treating the warp.  Specifications 346,850 [Group IX], 365,621, 372,372, and 388,768 are referred to.  According to the Provisional Specification the de-electrifying substances may be applied during spinning, winding, twisting, warping and sizing operations, and, in the production of artificial filaments of cellulose acetate or other cellulose derivative they may be added to the spinning solutions and/or the coagulating baths.
Patent GB-318202-A (GB)
Title: Improvements relating to electrical transformer cooling systems
IPC: H01F27/12
Filed: 1929-08-12
Abstract: 318,202. Associated Electrical Industries, Ltd., (Assignees of Clarke, E. B.). Aug. 30, 1928, [Convention date]. Tanks with external radiator elements. - A pump 15 for effecting a forced circulation of the oil through the tank 10 and radiator elements 15 of an oil-immersed transformer is started when the oil temperature reaches a certain limit, and a pump 16 for circulating air, water, or other medium over the element is started when the oil reaches a still higher temperature, due to heavy load on the transformer &c. Thermometers 18, 19 have electric contact devices 20, 21 for controlling the switches of the pump motors.
Patent GB-320467-A (GB)
Title: Automatic brake for the record table of a sound reproducing instrument
IPC: G11B17/02
Filed: 1928-08-27
Abstract: 320,467. Scharf, H. Aug. 27, 1928. Brakes, arrangement of.-An automatic brake for the turntable, of the kind held out of action by the tone-arm during playing, is constructed and operates so that the arm normally contacting the tone-arm is moved clear thereof when the brake is applied, thereby avoiding knocking. Fig. 1 shows the parts in position during playing, the brake-block o, Fig. 3, being fixed to a lever i pivoted to a crank f on a spindle b with a bent part c having pivoted at d a rod carrying a roller e for contacting the tone-arm. These parts are mounted on a fixing bracket a, and the brake lever i can move laterally in a slotted bow k. A spring p causes the roller e to bear against the tone-arm. The parts are set by adjustment of the pivot h of the lever i in an arcuate slot g in the crank f, so that when the needle is in the last groove the brake-block o contacts the turntable s and is moved by it along the bow k and beyond a retaining spring so that the lever i is in the line joining the pivot h to the centre of the turntable. In this movement, the crank f is turned sufficiently to carry the roller e clear of the tonearm. The return movement of the tone-arm carries parts to the starting position shown in Fig. 1. Specification 307,205 is referred to.
Patent GB-150352-A (GB)
Title: Improvements in anti-parasitic selecting and receiving system for telegraphy and telephony with or without wires
Inventor: LEVY LUCIEN
IPC: H04B1/16
Filed: 1920-08-25
Abstract: 150,352. Levy, L. Aug. 25, 1919, [Convention date]. Addition to 133,306, [Class 40 (v). Wireless signalling &c.]. Telephonic relays and repeaters.-In a wireless receiving apparatus, means are provided for selectively amplifying currents of the desired acoustic frequency. A telephone 157, Fig. 4, acts on an armature K at one end of a stretched wire 160, the opposite end L of which operates a transmitter 158. Dampers 159 comprising blades dipping into liquid are placed at the vibration nodes of the wire, as to attenuate vibrations of other than the desired frequency.
Patent GB-1006065-A (GB)
Title: Improvements in or relating to arrangements for the measurement of time differences between a plurality of pulsating direct current voltages
Inventor: KURSCHNER DIERK
IPC: G04F10/00
Filed: 1962-06-27
Abstract: 1,006,065. Measuring short time intervals. KARL-MARX-UNIVERSTAT. June 27,1962. No. 24746/62. Heading G1U. [Also in Division H4]. It is known to determine the speed of a flowing medium, e.g. a weather front or an ionospheric layer, by receiving at separated points the waves from a H. F. transmitter and reflected from irregularities in the medium and to measure the fluctuating field strengths ensuing at the receivers, the speed and direction of those irregularities being obtained from the time differences at which the field strengths reach extreme values; in a corresponding known device the H. F. waves received are changed into pulsating direct current and the latter feed via a limiter a valve-connected relay which actuates a recorder, see Journal of Atmospheric and Terrestrial Physics, 1955, Vol. 6, pages 124 to 128. According to the present invention the rectified outputs of receivers 1, 2, 3, Fig. 1, corresponding to type A1 waves transmitted, are differentiated in circuits 4, 5, 6, the amplified outputs thereof energize relays 10, 11,12 and the latter energize switching relays forming control units 13, 14 which feed centre-zero recorders 15,16. The amplitude of a record mark indicates the time difference between the minima of the D.C. outputs of the corresponding pair of receivers and the direction of the mark from the centre-line of the record is arranged to indicate which minimum occurs first. A circuit diagram corresponding to units 1 to 12 of Fig. 1 is described, Fig. 2 (not shown). Control units 13 and 14 are described with reference to Fig. 3: considering the first and second receivers, when a minimum value of the former's signal is reached contacts 47.1, 47. 2 and 47. 3 are switched and capacitor 54 charges from storage capacitor 51. When subsequently the second receiver's signal reaches its minimum value contacts 48.1, 48.2 and 48. 3 are switched, charging of capacitor 54 ceases and capacitor 51 is discharged. If the minimum value of the second receiver's signal is reached first, capacitor 54 charges from storage capacitor 52. Similar considerations apply to unit 14. Maximum values of signal may be utilized, Fig. 4 (not shown).
Patent GB-844009-A (GB)
Title: Improvements in and relating to internal combustion engines
IPC: F01P7/04
Filed: 1958-07-31
Abstract: 844,009. Cooling engines. TATRAI NARODNI PODNIK. July 31, 1958 [Aug. 20, 1957], No. 24748/58. Class 7(2). [Also in Group XXVI] Switches 14, 14a &c. in series (or parallel), or a single switch 14, responsive to individual cylinder or cylinder-head temperature of an aircooled engine control an electromagnetic valve 11 in the oil supply to an hydraulic coupling 4 in the drive of the engine cooling fan 1, so as to break (or make) the circuit to the valve 11 to open it fully and give minimum coupling slip when an upper temperature is reached and make (or break) the circuit to the valve 11 to close it and give maximum coupling slip when a lower temperature is reached. A switch box 19 and fuse 17 are provided. Various prior air-cooling control means are described.