baber/WOPTO huggingface dataset:
Patent GB-863304-A (GB)
Title: Improvements in and relating to the insulation of electrical conductors
Inventor: POPPLE ROBERT GEOFFREY
IPC: H01B3/10
Filed: 1956-05-29
Abstract: A copper or nickel conductor is provided with an adherent insulating phosphate coating.  The conductor is first plated with another metal or alloy, e.g. nickel or copper or with two or more successive layers of dissimilar metals, e.g. iron and chromium. A phosphoric solution, i.e. a solution of an oxyacid of phosphorus or of a salt of such an oxyacid, is applied to the conductor which is then heated.  The plated conductor is first heated in air at 930 DEG C. and then dipped in 880 ammonia, dried and again heated in air at 930 DEG C. for 30 minutes.  The preferred solution is an aqueous solution containing between 30% and 100% by volume of orthophosphoric acid and it may contain a refractory substance such as magnesia or talc to improve the electrical resistance of the final coating, an oxidizing agent such as sodium nitrate or hydrogen peroxide, and a wetting agent. After coating the conductor it is heated in a nitrogen atmosphere at 750 DEG C. for 30 minutes and then allowed to cool in air.
Patent GB-544290-A (GB)
Title: Improvements in and relating to bricks for building toy or other miniature structures
IPC: A63H33/04
Filed: 1940-11-15
Abstract: 544,290. Toy building-blocks. PARKER, E. W., and SPEAR & SONS, Ltd., J. W. Nov. 15, 1940, No. 16542. [Class 132 (iii)] Bricks for building toy or other miniature structures are made in the form of an elbow the limbs a, b of which are disposed at an angle of 30, 40, 45 or 60 degrees. One of the limbs of the elbow may be longer than the other. The junction c of the limbs may be curved.
Patent GB-241973-A (GB)
Title: Improvements in towels, glass cloths, table cloths, table napkins, embroidery cloth,dress fabrics and the like
IPC: D03D23/00
Filed: 1925-03-24
Abstract: 241,973. Holt & Sons (Walshaw), Ltd., W., Holt, T., and Holt, J. W. March 24, 1925. Figured fabrics; corded fabrics; ground weaves ; yarns specially twisted, fabrics with.- A fabric woven similarly to that described in Specification 20361/11, but with a hard twisted weft, is used for towels, bath sheets, glass cloths, embroidery cloths, table clothe, napkins, dress fabrics, and underwear &c. The heavily weighted back warp contains preferably twice as many threads as the face warp, which is lightly weighted. The back warp threads are lifted at even-numbered picks and the face warp threads at odd-numbered picks. For figuring, which may be effected by a tappet or dobby, the face warp threads are also raised at even numbered picks. The warp threads, which are preferably coarse and may be of the same or unequal counts, are drawn in alternately one from the face warp and one from the back warp. Two back warp threads may be drawn in as one. The cloth has one side absorbent and the other side of a hard cellular structure.
Patent GB-715240-A (GB)
Title: Improvements in or relating to interpolymers and articles produced therefrom
IPC: C08F214/06
Filed: 1952-07-02
Abstract: Interpolymers are prepared by polymerizing under acidic conditions a monomeric material comprising from 35 to 90 per cent. by weight of vinyl chloride, from 5 to 65 per cent. by weight of an alkyl acrylate and from 0.2 to 25 per cent. by weight of a polymerizable monomeric material consisting of acrylic acids or their amides containing not more than one N-substituent, at least 90 per cent. of the monomeric material being made up of these ingredients, and forming the resulting interpolymer into a coherent homogeneous mass.  The alkyl acrylate may be methyl, ethyl, propyl, n-butyl, n-amyl, n-hexyl, iso-hexyl, n-heptyl, isoheptyl, capryl, n-octyl, 2-ethylhexyl, 6-methylheptyl, n-nonyl, 3, 5, 5-trimethylhexyl, n-decyl or lauryl acrylate. Acids specified are acrylic, alpha-chloro, beta-chloro, beta-methyl, alpha-bromo and beta-chloro-alpha-methyl acrylic, methacrylic, ethacrylic and alpha-phenyl and alpha-benzyl acrylic acids.  Amides specified are the amides of the above acids and N-methyl, N-ethyl, N-phenyl, N-cyclohexyl, N-methyl alpha-chloro, N-methyl alpha-methyl, and N-methyl alpha-ethyl acrylamides. Other monomers such as vinylidene chloride, styrene, acrylonitrile, isobutylene, diethyl maleate and diethyl fumarate may be utilised to the extent of 10 per cent. by weight of the monomer mixture. Polymerization is preferably effected in an aqueous medium at pH 4.0 to 7.0.  Emulsifiers specified are sodium salts of sulphonated paraffin oil, sodium lauryl sulphate, sodium isopropyl naphthalene sulphonate, lauryl amine hydrochloride, N-dodecyl beta-alanine hydrochloride, and polyether alcohols.  The reaction may be catalysed by actinic radiation, or a peroxygen compound such as hydrogen, benzoyl, o, o1-dichlorobenzoyl, caproyl, caprylyl and pelargonyl peroxides, cumene, tertiary butyl and 1-hydroxycyclohexyl hydroperoxides, tertiary butyl diperphthalate, tertiary butyl perbenzoate, sodium, potassium and ammonium persulphates, sodium peracetate and sodium percarbonate, which may be used in conjunction with a reducing substance such as sodium sulphite, sodium thiosulphate and resorcinol, with or without a heavy metal salt activator such as silver nitrate, copper sulphate and ferric and cobalt compounds. The interpolymers made from the acrylic acids may be cured by polyvalent metal oxides such as zinc oxide and amines such as hexamethylene diamine.  The interpolymers of the invention are suitable for the production of films and sheets.
Patent GB-511636-A (GB)
Title: Improvements in and relating to variable electric pile type resistances
IPC: G05B11/01
Filed: 1938-06-03
Abstract: 511,636. Automatic control systems. BRITISH THOMSON-HOUSTON CO., Ltd. (General Electric Co.). June 3. 1938, No. 16686. [Class 38 (iv)] [Also in Group XXXVI] Electromotive force.-For automatically controlling the voltage of a generator 19, a piletype resistance 41 is series connected in the field circuit of an exciter 22 for the generator. Variations in the generator voltage alter the excitation of a magnet 33 causing the armature thereof mounted on a shaft 30 to take up a new position under the action of a biasing spring 34. The pile-resistance is thereby altered through crank- 29 and rods 28 and acts on the exciter to bring' the generator voltage back to normal. The pileresistance has a negative resistance-current characteristic serving to increase the range of voltage control automatically.
Patent GB-1243167-A (GB)
Title: Apparatus for machine reading randomly positioned and oriented information
Inventor: ACKER NORBERT KARL
IPC: G06K9/32
Filed: 1970-04-08
Abstract: 1,243,167. Sensing records. SCANNER Inc. 8 April, 1970 [21 April, 1969], No. 16769/70. Heading G4M. The position of an image of a label 40 attached to articles is shifted laterally in two different directions by a servo system 31-36, Fig. 1, so that it maintains a position adjacent a pair of position sensors 30A, 30B, Fig. 3, and the image is continuously rotated, e.g. by a dove prism 23, during read-out by sensors 53, 54. The optical image of label 40 may be projected on to an image converter tube 25 having horizontal and vertical image deflection plates 27, 28 and a target 26. The position and data sensors may be electron-receiving electrodes or, if target 26 is fluorescent, photo-detectors. The label comprises a pair of concentric tracks and a start gap or code. With the optical axis of the field scanned initially at 20<SP>1</SP>, Fig. 3, the electron image is deflected to be centred on 42<SP>11</SP> in response to the outputs of detectors 30A, 30B as they are traversed by the rotating label image 40<SP>1</SP>. The data sensors 53, 54 can then sense the two tracks, and sensor 53 may additionally provide an output for fine position control of the image over lead 37. Further detectors (not shown) may be provided to control the deflection system to compensate for elliptical distortion of the image, and the data sensors 53, 54 may be movable by a servo system having a followup detector which senses the position of outer ring 41<SP>1</SP>.
Patent GB-169022-A (GB)
Title: Improvements in tools and tool holders for metal cutting machines
IPC: B23B25/06
Filed: 1920-06-22
Abstract: 169,022. Caudrelier, E. June 22, 1920. Tools; tool-holders.-Relates to tool-holders of the type in which an annular cutter is adjustable in a circular groove of the holder and consists in a special location of the centre of curvature of the groove in order to facilitate adjustment of the cutter to a given angle. The angle a becomes the complement of the cutting angle by arranging the intersection C of the perpendicular forces AC, CB of the holder to be the centre of curvature of the groove and by making the nose of the cutter parallel to the face CB.
Patent GB-1500958-A (GB)
Title: Automatic computer-performed methods for analysing the operation of an earth vibrator used in geophysical prospecting
IPC: G01V1/04
Filed: 1975-04-23
Abstract: 1500958 Monitoring seismic vibrator operation STANDARD OIL CO 23 April 1975 [24 April 1974] 16871/75 Heading G1G To determine whether a seismic vibrator injects into the earth a faithful replica of its control (pilot) signal or not, a representation of the injected signal is automatically analyzed by a computer controlling an output display on which measures of the pilot and injected signals can be compared. Faulty vibrator operation which would give spurious seismic data or indicate incipient failure of a component of the vibrator or of its control elements can thus be detected. In the Fig. 1 system a CW frequency-sweep pilot signal is transmitted over a radio link to electronics 2 controlling the electro-hydraulic vibrator 3. Corrective phase shifts are applied at 3 to the received pilot signal to give a reference signal. Vibrator operation is synchronized with the reference signal by a phase-lock loop including an accelerometer 4 on the vibrator. The injected seismic signal is sensed by a pick-up 5 on the vibrator base-plate. The various signals are processed by a minicomputer at the vibrator site, or are recorded for later processing at a remote computer centre. The processing provides several analyses of the data. One analysis divides the pilot, reference and base-plate signals into time windows at 8 which are then Fourier analyzed at 9, 11, 13. From the results there is plotted at 15 a respective contour map for each of the three signals, with contours joining points of equal amplitude plotted in frequency versus window-centretime co-ordinates Figs. 3, 4, 5 (not shown). A second analysis e.g. at 16-19 determines the autocorrelation and cross-correlation functions of all or some of the pilot, reference, accelerometer and base-plate signals and these functions are displayed at 15, Fig. 6, (not shown). The autocorrelation function of the pilot signal represents the ideal seismic input to the ground. The pilot/reference cross-correlation function is a measure of the functioning of the electronics 2. The pilot/baseplate cross-correlation function and reference/ accelerometer cross-correlation function likewise enable monitoring of the vibrator's overall operation and phase-lock system respectively. A third analysis, at 20-23, obtains by rectification and integration the smoothed envelopes of the correlation functions. These envelopes are normalized at 24-27 to bring their central peaks to a common amplitude, then displayed at 15 Fig. 6, (not shown). A fourth analysis removes correlation components due to harmonics and noise, by truncating the correlation functions at 28-31. The remaining central portions Fig. 7, (not shown) are Fourier analyzed at 32-35 to give amplitude/frequency and phase/frequency spectra Fig. 8, (not shown) for display at 15. Details of, and a Fortran statement for, the computer processing are given.
Patent GB-956030-A (GB)
Title: Process for the manufacture of shaped articles from magnesium alloys
IPC: C22F1/04
Filed: 1961-05-09
Abstract: Shaped articles of a hardened magnesiumbase alloy are manufactured by extrusion or similar forming operation after the heat treatment, e.g. at 372-482  DEG C. for 12-48 hours, of a finely particulated mixture, preferably compacted into a billet, of at least one magnesiumbase alloy, e.g. in form of granules 0.1-1 mm. in diameter, and one or more metals and/or alloys, e.g. in form of particles less than 44 microns in diameter, capable of precipitating within the solid alloy at least one alloying component contained therein, such as Zr, Mn, Th, a rare earth metal, Li, Ca or mixtures thereof; the precipitating metal or alloy may be Al, Sn, Si, Zn, Zr, or mixtures and/or alloys thereof. More than one powdered magnesium-base alloy may be employed when the precipitating metal is a component of at least one of these alloys. The extrusion billet may be prepared under pressure, e.g. 7030 Kg/cm.2, in a die-extrusion press container preheated, e.g. to 260-427  DEG C. Alternatively, each particle of the particulated magnesium-base alloy may be coated with a thin film of the precipitating metal or alloy by dipping into or spraying with the molten metal or alloy, or by gas plating, vacuum metallizing or peen plating.  A magnesium base alloy, consisting of 0.8 Zr, one or more of Zn 0-4%, Ag 0-6%, Ca 0-1%, Li 0-5%, Th 0-4%, and a rare earth metal 0-4%, with balance magnesium, is specified.  Other magnesium-base alloys specified:  (a) containing 0.6% Zr, 2% Bi; (b) containing 0.6% Zr, 2% Nd and Pr.  Specifications 690,783, 690,784, 690,785, 690,787, 690,853 and 690,854 are referred to.
Patent GB-634635-A (GB)
Title: Improvements in drums for malting purposes
IPC: C12C1/033
Filed: 1945-07-03
Abstract: 634,635. Malting drums. HEIDENSTAM, E. J. VON and BODCHER, H. F. July 3, 1945, No. 16952. [Class 14(ii)] A drum for treating grain such as barleycorn for malting purposes consists of a horizontal cylinder with an axially extending perforated bottom on which the grain lies, is constructed so that the free volume of the drum above the bottom has a ratio r to the free volume in the drum below the bottom which is determined by 4<r<60, while no part of said bottom, if curved, is closer to the (geometric) axis of the drum than half the radius of the drum. In a preferred embodiment a drum 1 (Fig. 1) has a perforated floor 7 so positioned that 8<r<24. The drum is divided into 2 parts by vertical wall 4, each part of which is separately supplied through pipes 12 and 13 with air which is controlled by valve mechanism (Figs. 6 and 7 not shown) in collapsable tubes 14. This mechanism may be automatically connected with the driving motor for the drum. After passing through the grain 10, the air leaves through openings 24. The drum has rails 5 which travel on rolls 6 during rotation. The finished malt is discharged through openings in the cylindrical wall of the drum, high frequency vibration being used. In a modification the drum consists of one chamber only with one or more air inlets.
Patent GB-1356159-A (GB)
Title: Semiconductor data storage circuit
IPC: H01L27/11
Filed: 1971-05-26
Abstract: 1356159 Transistor bi-stable storage cells INTERNATIONAL BUSINESS MACHINES CORP 26 May 1971 [1 July 1970] 17107/71 Heading H3T [Also in Division H1] A cross coupled pair of transistors such as Schottky barrier gate F.E.T.'s 32, 42 have load resistors 31, 41 to the remote ends 54, 55 of which a common word line W and respective digit lines D1, D2 are connected. To write, W goes low to turn off diodes 37, 47 and D1 (say) stays high while D2 goes low so that only diode 36 conducts, to charge C48. When W goes high again, F.E.T. 42 is turned on by C48. Diodes 36, 37, 46, 47 are Schottky diodes. To read, a differential amplifier senses which of D1, D2 carry current when W goes low. In the integrated form (Fig. 4, not shown) of Fig. 3, the chip area is shown to be less than that (Fig. 2, not shown) required for a prior art circuit (Fig. 1, not shown) in which the word and digit lines connect to the sources of the F.E.T.'s.
Patent GB-583981-A (GB)
Title: Improvements in and relating to electrical measuring instruments of the bridge type
IPC: G01R17/00
Filed: 1944-09-07
Abstract: 583,981. Inductance and capacitance measurements. ACE ELECTRONICS, Ltd., WELCH, L. C., and COOK, R. J. Sept. 7, 1944, No. 17117. [Class 37] An A.C. bridge for the measurement of capacitance and inductance, in which the conditions for balance are not dependent upon the frequency, is supplied simultaneously with two currents having widely different frequencies for the purpose of extending the effective range of measurement. The bridge network has two variable resistance arms R1 R2, a standard condenser C forming a third arm and the condenser Cx under test forming the fourth arm. A galvanometer D is connected between the junctions 1, and two sources of alternating current F1, F2 of different frequencies are connected in series between the junctions 2. For inductance measurement a standard inductance and the inductance to be measured are used in place of the condensers C, Cx. The frequency F1 may be 50 cycles and the frequency F2 5,000 cycles per second. Then, for a range of from 100 micro-farads to 10 micro-microfarads the bridge impedance at the frequency F1 varies from about 30 ohms to 300 megohms and the bridge impedance for the frequency F2 varies between about 0.3 ohms and 3 megohms. If the supply F1 were used alone the impedance of the bridge at one end of the range would be excessively high. If the source F2 were used alone the bridge impedance would be excessively low. If the two sources F1, F2 are applied simultaneously, however, the effective bridge impedance at one or the other frequency lies between approximately 30 ohms and 3 megohms.
Patent GB-124228-A (GB)
Title: Improvements in or relating to Soldering Frames or "Jigs" for Soldering the Side Seams on Lap Jointed Can Bodies.
Inventor: SLATER EDWARD
IPC: B23K1/16
Filed: 1917-11-20
Abstract: 124,228. Slater, E. Nov. 20, 1917. Soldering. - For soldering the side seams of the lap joints of can bodies to form cans of uniform diameter, the bodies are clamped to to a mandrel as b by means of a pair of side clamps c carried by bellcranks d operated, against the action of a spring It, to close the clamping - members against the mandrel by means of a treadle rod g Both hands of the operator are thus free to effect the soldering operation.
Patent GB-1147025-A (GB)
Title: Phytotron
IPC: F24F11/08
Filed: 1966-04-19
Abstract: 1,147,025. Air-conditioned chambers. A. SHAW. 19 April, 1966 [20 April, 1965], No. 17139/66. Heading F4V. [Also in Divisions A1 and G3] In a system controlling the atmosphere in a chamber 100 for growing plants and having a refrigeration system, heating, and also humidifying means control means are provided responsive only to changes in true loads (e.g. heat transfer through the chamber walls, from lights and due to the transpiration of the plants) and the total load on the refrigeration system is substantially constant. The control means comprises a dry bulb temperature sensor 123 and a humidity sensor 122, a reheater 131 and a dew-point control 135. A day and night clock programmer 141 is fitted. The apparatus comprises an insulated chamber 101 containing the plants, the controlled atmosphere entering a plenum chamber 108 and passing through a perforated diffuser 109 to registers 124 through which the atmosphere passes to an air conditioning unit 127. This unit includes an expansion coil 129 of a refrigeration system 126, a filter 137, a preheater 128 (which prevents frosting), a reheater 131, a fan 134 and a humidifying pan and heater 135, 136 respectively. A light chamber 102 ventilated by a fan 103 and drawing air through a filter 104 is provided. Some fresh air may be admitted at 142 and excess air is spilled out at 143. If the humidity ratio becomes excessive the system operates on a 100% recirculation basis and a metered supply of carbon dioxide replaces the air admitted by inlet 142. In a modification, the humidity ratio setting is controlled independent of the dry bulb temperature settings and this is achieved by introducing low pressure steam by a modulating steam valve or by a modulating pan humidifier. A fine, manual, overriding control is provided. The apparatus may be used for testing a refrigeration expansion coil under varying conditions in which case the coil to be tested replaces the coil 129 and the "chamber" becomes an insulated duct in the region of the inlet to the coil. In this embodiment, the preheater and fresh air and overspill vents are not required.
Patent GB-240257-A (GB)
Title: Improvements in methods of making building blocks
IPC: B28B3/00
Filed: 1924-07-17
Abstract: 240,257. Fiorenzi, U. July 17, 19-24. Materials, special, for bricks and blocks.-Unburnt building blocks are made by compressing earth in moulds, first at a low pressure, and then at a pressure of 100 to 200 atmospheres to remove all porosities; the blocks are then dried by a short exposure to the air and are ready for use. Any desired facing material may be applied to the earth in the moulds before pressing. The blocks are stated to be non-porous and damp-proof, and capable of resisting 200 kilos. per sq. cm.
Patent GB-403628-A (GB)
Title: Improvements in or relating to devices for retaining gudgeon pins in position
IPC: F16J1/18
Filed: 1932-06-17
Abstract: 403,628. Hinge pins. SPECIALLOID, Ltd., and TURNER, E., Friern Park, North Finchley, London. June 17, 1932, No. 17188. [Class 65 (ii).] A device foi preventing endwise movement of gudgeon pins &c. comprises two segmental members 1 engaging a groove 2 in the bearing or in the pin, Fig. 10, and retained in position by a diametral spring 5, 15 or two parallel springs. The members may be hinged or integrally connected at 16 and are provided with holes 7 to accommodate a tool for compressing the spring when inserting or removing the device. The springs are supported by projections 6 which may overlap or may have interengaging portions for guiding the segments when inserting or moving the device.
Patent GB-996855-A (GB)
Title: Improvements in synchronous induction motors having an improved rotor construction
IPC: H02K19/14
Filed: 1964-04-20
Abstract: 996,855. Electric motors. GENERAL ELECTRIC CO. April 20, 1964 [May 1, 1963], No. 17242/64. Heading H2A. The rotor of a synchronous induction motor has a central aperture 24 having rounded reluctance slots 25, 26 extending radially to interconnect with the winding slots 27, 28, and filled with the same cast material as the cage. The laminµ are punched with bridges across the openings of slots 27, 28 to hold the lamination together, but these are turned off after casting (Fig. 3, not shown). Specification 407,980 is referred to.
Patent GB-270122-A (GB)
Title: Heating and drying apparatus
IPC: D21G9/00
Filed: 1926-07-09
Abstract: 270,122. Fulton, W. B. July 9, 1926. Drying.-Paper is dried during manufacture by passage over steamheated cylinders which are divided into primary and secondary groups, the steam passing through the pipe 2 to the cylinders 1 of the secondary group and thence through a steam separator 6 and pipe 10 to the cylinders 11 of the primary group, additional steam being admitted from the pipe 2 to the primary group of cylinders by opening the valve 13. From the cylinders 11 the steam passes through the steam-traps 19 to the second steam separator 50 and thence to the auxiliary drying cylinders 52. The steam separators and the auxiliary drying cylinders 52 communicate through valve-controller pipes with a steam-driven air-pump 22 which in turn communicates with a condenser 24. Communication between the air-pump and the separator 6 is controlled by a weight-operated valve 31 having a pivoted lever 32 carrying a constant weight at one end and a variable weight, consisting of a vessel 34 which communicates through flexible pipes 35, 36 with the separator, at the other end. A rise in the level of the condensate in the separator above a predetermined level 12<1> results in the vessel 34 overbalancing the weight 33 and the opening of the valve 31 thus permitting the condensate being withdrawn from the separator by the air-pump. The admission of steam to the air-pump is reduced by a valve 40 when the vacuum in the system reaches a predetermined valve.