baber/WOPTO huggingface dataset:
Patent GB-900388-A (GB)
Title: Improvements relating to apparatus for testing unbalanced rotors
Inventor: BIRNSTINGL DAVID WILDON
IPC: G01M1/22
Filed: 1958-01-17
Abstract: 900,388. Electric tests. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Jan. 19, 1959 [Jan. 17, 1958], No. 1739/58. Class 37. Apparatus for testing unbalance rotors comprises an iron-coped inductor 2, the magnetic circuit of which is completed by the rotor 4, so that any unbalance in the rotor 4 causes variation in the air gap and consequent variation in the value of the inductor 2. A transformer 7 is connected in series with the inductor 2 across a 1000 c/s. source 6. The alternating voltage across the inductor 2 will be modulated by unbalance in the rotor 4. The turns ratio of transformer 7 is such that the static value of alternating voltage across inductor 2 is neutralized by the voltage across the secondary winding 9. The inductance of the transformer should be from 0.1 to 10 times the value of inductor 2. The output at terminals 10 is rectified and smoothed before being applied to an instrument which indicates the average unbalance.
Patent GB-121389-A (GB)
Title: Improvements in or relating to Tubes, Stays, Struts, and like Elements, said Improvements being also applicable to the Wings, or Planes, Tail, Body, and other Parts of Aerial Craft.
Inventor: DICKSON HENRY CHARLES
IPC: B64C3/18
Filed: 1918-01-31
Abstract: 121,389. Dickson, H. C. Jan. 31, 1918. Metal tubes are constructed of sheet metal bent into the required cross-section and formed with internal ribs adapted to hold one or more internal cross-webs. In the form shown, a tube is composed of two plates a, b, or a single plate, bent to streamline form and united at the flanged edges by strips c. Ribs d are formed in the plates and serve to hold webs e each composed of two plates flanged at the edges, as shown.
Patent GB-162062-A (GB)
Title: Improvements in connection with instep supports, or devices for use in preventing, or curing, flat-foot, or other displacement of the bones of the foot
IPC: A43B7/22
Filed: 1920-01-20
Abstract: 162,062. Holland, F. W. Jan. 20, 1920. Foot-arch supports.-Relates to foot-arch supports of the type in which the usual arched baseplate A, which is made of resilient steel or other suitable material, is combined with a narrow resilient arched piece or strip C of similar material which is formed with a raised or humped part C<2> near its forward end, and consists in rendering the strip resilient by slotting it towards its forward or humped end, as shown at d<2>, Fig. 2. The resilient strip C is attached to the baseplate A by means of a headed stud b on which it may be turned for lateral adjustment, and a pin c<3> engages one of a number of holes a to retain the strip C in the desired position. A slot c<2> may also be provided in the strip C to allow longitudinal adjustment. The strip C may be longer than the base-plate A if desired, so that its forward end may project beyond the forward end of the base plate A, and may alone be arched, the base-plate A being made flat.
Patent GB-288390-A (GB)
Title: Method of collecting inorganic potassium salt, betaine salt and glutamic acid from the waste liquor produced in distilling alcohol from fermented beet molasses
IPC: H04J1/14
Filed: 1927-01-22
Abstract: 288,390. Takayama, Y. Jan. 22, 1927. Betaine hydrochloride, and glutamic acid are recovered from the waste liquor produced in distilling alcohol from fermented beet molasses, by dialyzing the liquor so as to remove yeast and uncrystallizable substances and adding hydrochloric or sulphuric acid after concentration to collect potassium chloride or sulphate, and by further concentration betaine hydrochloride separates. The remaining liquor is heated under pressure after adding hydrochloric acid in excess so as to convert glutimic acid into glutamic acid hydrochloride and to remove the impure matters in the form of a humus like substance. On concentrating and cooling glutamic acid hydrochloride crystallizes out. In an example a diffusion apparatus is used divided into numerous chambers by diaphragms, adjacent chambers being filled with the material and fresh water respectively, and dialysis is effected by an electric current or otherwise.
Patent GB-628493-A (GB)
Title: Improvements in or relating to a balanced door
IPC: E05D15/28
Filed: 1947-01-22
Abstract: 628,493. Doors. GENERAL BRONZE CORPORATION. Jan. 22, 1947, No. 2011. Convention date, Jan. 27, 1945. [Class 20(iii)] A door is opened by normal pressure adjacent to one edge of the door, by pivoting on a vertical axis approximately on the middle line of the door, which axis slides, during the opening towards the door jamb remote from the person opening the door, and, in the event of a panic, is opened by the consequent pressure over the face of the door, by a simple hinging motion about the said remote jamb. The door may be used singly or aligned with other similar doors as in Fig. 1. The normal opening is by swinging about a pivot 34 having an antifriction roller 35 which slides in a guide 36 in the head of the doorway, arms 10, 11 pivoted at the door jamb at 15 and, at the other ends, to the door at 30, carry the weight of the door and constrain the pivot 34 to move in the guide 36. The arms 10, 11 are secured to a tubular shaft 9, housed in the jamb 5 and secured by set screws 16, 17 to a pin 15. The weight of the door is taken and adjustments are effected by a bearing 19 and nut 21. The set screw 17 is in a slot 18 in the shaft 9, so that, when the set screws 16 are removed, and the screw 17 backed off, the pin 15 falls into the shaft 9 to the extent permitted by the slot 18, which enables the door to be removed from the doorway. The boss of the arm 11 carried by the lower end of the rod 9 is socketed to receive the rotatable lug 12 of a floor type door check 13. When the door is opened normally, the door check is operated to stress a returning spring, but when it is opened as a panic door, the lug is rotated in the opposite direction and the spring is not stressed. Two cushioning cylinders are provided in the door check, one for cushioning the opening, and the other the closing, of the door during normal or panic use. When the door is fully opened as a panic door, a spring-pressed ball engages a recess in one of the pistons and locks it in its open position, but the lock may be overcome by a pull on the door. The pivot 34 is carried by an arm 31 pivoted at 32 on a bracket on the top of the door, and having a notch 39 which is normally engaged by a spring-pressed latch 37, so that when the latch is operative, the pivot 34 is fixed relatively to the door. Panic pressure on the door forces the notch 39 away from the latch so the pin 34 no longer acts as a pivot. The door is then free to swing bodily about the pivot 15. During normal use of the door, a rubber stop 40, in the path of the pivot 34, limits its movement, and the door may be locked in its open position by a locking bolt 43 on a lever 41 which is operated by pressing up a finger piece 45. The bolt 43 is held in its up and down positions by a spring-pressed detent.
Patent GB-347116-A (GB)
Title: Telegraphic signal regenerator
IPC: H04L25/04
Filed: 1930-01-21
Abstract: 347,116. Code telegraphy; synchronous movements. CREED & CO., Ltd. and SALMON, R. D., Telegraph Works, Croydon. Jan. 21, 1930, No. 2036. [Class 40 (iii).] Relates to apparatus of the kind described in Specifications 308,672 and 309,388, [both in Class 40 (iii), Telegraphs, Electric], in which a retrans. mitter runs alternately at two speeds which bracket the speed of the controlling signals. According to the present invention, thermionic valves with insulated grids are employed for the purpose of registering the signals. Restoring imperfect signals. The incoming signals are applied to the magnet 19 which, at each change of polarity, releases the escapement 14 for half a revolution of the friction-driven shaft 14a, so that the sending-on contact 18 (shown as rigid but actually resilient) presses during alternate half-revolutions against the positive and the negative contacts respectively of battery 31. Once per revolution of the continuously rotating receiver-shaft 1 the commutator 8 joins the brushes 12,13 momentarily and thus determines the polarity of the grid 26 for one signal-period, a full-period signal being consequently passed on through relay 33. Synchronous movements. Contact 17 is actuated under control of the received signals by the escapement 14 and is normally disconnected, but at the middle of each half-revolution of the escapement-shaft 14a it touches one or other of the contacts 24. If the shaft 1 is in strict synchronism with the received signals, brushes 9, 11 rest on the insulation 9a, 11a at this moment. If, however, the shaft 1 is ahead of the signals, brushes 9, 10 are joined through commutator 7, at the moment when contact is made at 24, a blocking charge is applied to grid 25, and relay 29 cuts in the slow governor 6 which takes control. When, subsequently, receiver-shaft 1 lags behind the incoming signals, the contact at 24 occurs while brushes 10,11 are joined through commutator 7, so that grid 25 is discharged, relay 29 cuts out governor 6, and the fast governor 5 takes control. The distributor drums and brushes may be replaced by cams. The brushes 12, 13 are adjustable in relation to commutator 8.
Patent GB-662449-A (GB)
Title: Improvements in rotary plug stopcocks, particularly for surgical instruments
IPC: F16K5/16
Filed: 1949-01-26
Abstract: 662,449. Valves, wedging. SCHRANZ, R. Jan. 24, 1950 [Jan. 26, 1949]. No. 2114/49. Class 135. A tapered plug cock, e.g. for use in surgical instruments, comprises a plug 1 actuable by a handle 7 and urged to seat by a bowed spring 6 acting between the handle and a face 10 on the cock body. The spring may be integral with or attached to the handle. The plug may be eased from its seat by pressing on the handle, this movement being limited by the end 8 of the spring entering a slot 9 in the plug. The end 8 also coacts with shoulders 10a to limit rotary movement of the plug.
Patent GB-1180981-A (GB)
Title: An Improved Method and Apparatus for Manufacturing Thin Walled Flexible Bearing Liners
Inventor: GREEN DAVID FREDERICK
IPC: B21K1/04
Filed: 1967-01-16
Abstract: 1,180,981. Making bearings; forging. VANDERVELL PRODUCTS Ltd. 11 Jan., 1968 [16 Jan., 1967], No. 2252/67. Headings B3A and B3H. [Also in Division F2] A thin wall flexible bearing liner is made from a metal strip by forming the strip into arcuate blanks and performing two successive cam pressing operations on the blank, the first of which finishes the external surface and the second of which finishes the internal surface. The first operation is performed by apparatus such as described in Specification 1,180,742, between a female part with a concave surface which engages the whole external surface and a male part shaped to engage only a part of the internal surface. The male part has shoulders to engage the parting faces of the blank. The second operation is performed between a female part 10 and a male part which engages the whole area of the blank. The male part has a head 12 with a shank 13 extending through a block 15 to abut a press platen 8. Helical compression springs extend between the block and the platen to hold the head 12 in the female part when the pressure applied by the press is relieved. The block 15 and the head 12 may be integral and an ejector may be provided to remove the blank. The blank may be tapered at its lateral edges before pressing. The blank may have a steel backing, an intermediate layer of leadbronze or aluminium-tin and a final layer of tin or lead based alloy, e.g. lead indium or lead tellurium. The blank may have oil holes and chamfers and a locating projection.
Patent GB-652394-A (GB)
Title: Improvements in or relating to processes for producing composite pictures on motion picture films
Inventor: MANN NED HERBERT
IPC: G03B15/08
Filed: 1948-01-26
Abstract: 652,394. Current duration meters; magnetic tests. BRITISH BROADCASTING CORPORATION, MAYO. C. G., TANNER, R. H., and WHARTON, W. Nov. 2]., 1947, No. 30984. [Class 37 [Also in Group XL (c)] An apparatus for measuring changes in magnetic flux or short time intervals, e.g. reverberation time, uses an integrating circuit of the type in which a capacitor connected between the output and input terminals of an amplifier is charged through a resistor connected to the signal source, a unitateral conducting device being connected in series with the capacitor to prevent the capacitor discharging when the signal ceases. In a Miller integrator circuit a diode 14 is connected in series with the feed-back capacitor 13 so that when the signal from source 15 terminates the final state of charge of condenser 13 is maintained. A valve voltmeter 21, 11 calibrated in the desired units and having a very large input resistor 20 measures the voltage on the diode side of the capacitor. The circuit shown integrates positive going signals but if the diode is reversed negative signals may be integrated. In an alternative arrangement (Fig. 3, not shown), the feedback path is connected to the cathode resistor of a preceding valve in a multi-valve amplifier and comprises two oppositely arranged diodes in parallel, each in series with a capacitor. Separate integrals of the positive and negative parts of the input signal are available across these condensers or the mean value may be developed across a capacitor in series with the two diode-capacitor arms. The circuit may be used to add and subtract pulses, or the change of magnetic flux may be measured if the change is converted into a corresponding voltage for application to the integrator. If the input signals are arranged to have a constant amplitude (e.g. by limiting) the meter will indicate their duration. For example, the reverberation time of a room 32 (Fig. 4) may be measured by applying tone from a generator 29 to a loudspeaker 28. The output from a microphone in the room is passed through an amplifier 33 to a constant volume amplifier so that when a switch 31 is operated to disconnect the tone source and connect an integrator 35, the initial amplitude of the voltage to be integrated is always the same. The time constant of the automatic volume control of the amplifier is long and the amplifier gain therefore remains constant during the reverberation time. Since the reverberation decay curve is always exponential the integrator output meter may be calibrated in units of time.
Patent GB-1090104-A (GB)
Title: Vitreous material for use in semiconductor devices
Inventor: YAMAMOTO HIROSHI
IPC: H01L21/316
Filed: 1965-01-19
Abstract: <PICT:1090104/C1/1> <PICT:1090104/C1/2> A vitreous material consists of a sintered mixture of a glass whose sole or basic constituents are PbO, B2O3 and Tl2O, and whose m.p. is below 400 DEG  C., and an inorganic oxide powder whose coefficient of thermal expansion is low compared with that of the glass or is negative.  The inorganic oxide powder may be one or more of Li2O-Al2O3-SiO2, fused quartz, cordierite, zirconia, aluminium silicate ceramics, alumina, beryllia, mica, or borosilicate glass. By appropriate choice of composition, the vitreous material may be produced having an accurately predetermined coefficient of thermal expansion.  The material may be used as a coating 2 for a silicon semi-conductor element 1 with Fe/Ni lead wires 3; or to glaze together at 5 two ceramic cups 4, 41 to enclose semi-conductor element 1 with lead wires 3.
Patent GB-782520-A (GB)
Title: Improvements in or relating to rubber gloves
Inventor: DAVIS FREDERICK LEWIS
IPC: B29C41/14
Filed: 1955-01-26
Abstract: A glove made of natural rubber but having a roughened exterior covered with neoprene or other synthetic rubber is made by dipping a glove former first into a dispersion of natural rubber latex and then into a solution of neoprene &c. in a solvent which dissolves also natural rubber, the solution being mixed with an acid.  The solvent may be xylol and the acid glacial acetic acid.  The former may be dipped twice in the natural latex and then in the neoprene &c solution.  The coating of neoprene &c. may extend over only part of the glove, e.g. the wrist may be left uncoated.
Patent GB-119977-A (GB)
Title: Improvements relating to the Treatment of Heavy Fuel Oils Preparatory to Burning.
Inventor: WESTWOOD JOSEPH WILLIAM
IPC: F23K5/10
Filed: 1918-02-09
Abstract: 119,977. Westwood, J. W. Feb. 9, 1918. Liquid-fuel supply.-Pitch and oil are mixed in a heated tank and rapidly circulated by a pump through distribution pipes to the furnace burners, the excess in the pipes being continuously returned to the mixing-tank. In the arrangement shown, pitch is supplied by a pump c from one. tank a to the mixing-tank b, both tanks being heated by steam or hot water pipes, and the mixture is forced by a pump g through the outlet pipe h which is connected to the burner distribution pipes, the excess being returned through a pipe f. The pitch and the excess fuel are delivered through perforated pipes d, e. When a ready made mixture of pitch and oil is used, the tank a is dispensed with and the mixture is supplied to the tank b and agitated or stirred therein. According to the Provisional Specification the oil is introduced also into the tank b through a perforated pipe.
Patent GB-796197-A (GB)
Title: Terephthalic acid and a salt thereof
Inventor: EDINGTON ROBERT ALEXANDER
IPC: C07C51/41
Filed: 1956-01-25
Abstract: In a process for the manufacture of a potassium salt of terephthalic acid, a mixture of benzoic acid anhydride and potassium carbonate is heated to an elevated temperature above 300 DEG  C., preferably above 400 DEG  C., in an inert atmosphere. Catalysts mentioned include cadmium benzoate, other cadmium salts and salts of other metals, e.g. zinc.  Inert atmospheres may consist of carbon dioxide or nitrogen. In an example, potassium terephthalate is obtained by heating benzoic anhydride in the presence of cadmium benzoate at 425 DEG  C. under pressure rising to 200 atmospheres in an atmosphere of carbon dioxide.  Terephthalic acid is obtained on acidifying the potassium salt.  Specifications 744,721 and 777,609 are referred to.
Patent GB-670643-A (GB)
Title: Improvements in or relating to percussion hammers
IPC: B25D11/12
Filed: 1949-01-28
Abstract: 670,643. Flexible shafts. CAINE, K. E. Jan. 27, 1950 [Jan. 28, 1949], No. 2492/49. Class 80 (ii). [Also in Group XXIII] A flexible drive cable comprises an inner drive cable 34, within a flexible casing 33, and having at one end a resilient coupling comprising a disc 31 secured to the cable, a resilient pad 30 and a disc 29 having a, squared extension 29<SP>t</SP> for connection to the driven machine. At the other end the cable 34 has a coupling disc 35 to which is bonded a resilient pad 6 having one or more holes 36<SP>1</SP> engaging one or more driving studs 38<SP>1</SP> of, a coupling plate 37 attached to the shaft of a prime mover, e.g. an electric motor. A coupling plate 39 attached to the casing 33 may be connected to an insulating block 40 which is bolted to the body of the prime mover.
Patent GB-1020662-A (GB)
Title: Improvements relating to clothes lines
Inventor: LOWE ALAN ROY
IPC: D06F53/02
Filed: 1964-01-21
Abstract: 1,020,662. Clothes lines. A. R. LOWE. Jan. 19, 1965 [Jan. 21, 1964], No. 2512/64. Heading A4U. The cross-section of a thermoplastic clothes line 11 periodically increases and reduces to provided annular shoulders 12 and conical parts 13, coated metal, rubber &c. rings 14 being captive on the parts 13 and tightened thereon when moved axially to retain an article to be "pegged" on the line. The rings have ears 15 forming finger grips, and may be split and have a resilient lining. In further modification the rings are of flat section or are formed of a single coil or a plurality of coils of wire. The line is extruded or moulded between rollers, the rings being threaded on the line while the line is still soft enough to allow the rings to pass over the parts of larger diameter which may be serrated or roughened.
Patent GB-1548334-A (GB)
Title: Carbamate derivatives
IPC: C07D213/36
Filed: 1977-01-21
Abstract: 2,6-Dihydroxymethylpyridine-bis-(N-methylcarbamate) in the  gamma  2 modification is obtained from 2,6-dihydroxymethylpyridine hydrochloride using methyl isocyanate, the purification being effected by recrystallisation from an alcohol-water mixture and the drying being carried out at 50-100 DEG C. The product thus obtained, which is employed in the therapy of vascular diseases, can easily be made into tablets.
Patent GB-1088802-A (GB)
Title: Fuel gasification and combustion apparatus
IPC: F23G7/05
Filed: 1966-01-20
Abstract: <PICT:1088802/C4-C5/1> In an apparatus for coking oil 12, or granulated coal (see Fig. 2, not shown), and then gasifying the coke 26, the coking chamber 20 and the gasification chamber 30 are coaxil and communicate through an annular passage 20c, and primary air delivery means 32, 34 to the chamber 30 are arranged so that coke entering the chamber 30 is floated on the air stream.  The gas produced, mainly CO, is led at 24 into the chamber 20 to impinge on the descending fuel and mix with the distillation gases, the gas mixture being led at 40 to an annular combustion chamber 42 where it is burnt to provide additional heat for coking. Combustion gases are recycled to the chamber 20 via passage 50 and conduits 52 which lead into throats of the passages 24.  Secondary air is introduced at 46, 49 and slag is removed at 36a. The oil is delivered through an apertured plate 22, or by means of a rotating disc.  The primary air input is regulated to restrict the amount of O2 available and to prevent coke particles being carried up through the passages 24.  In the modification of Fig. 2, the granulated coal is delivered through a distributer (64) having helical fins. It is stated that the positions of the chambers 20, 30 may be reversed, 20 surrounding 30. The apparatus is specially adapted for gasifying residual oils which have a high ash content.
Patent GB-782380-A (GB)
Title: Material receiving, storing and dispensing apparatus
Inventor: WAITE FRED LEE
IPC: B65G1/07
Filed: 1955-01-31
Abstract: 782,380. Automatic level control systems. AMERICAN MACHINE & FOUNDRY CO. Jan. 31, 1955, No. 2801/55. Class 38 (4). In a storing, and dispensing apparatus for units of solid material, a reversible electric motor automatically positions a carrier bearing a stack of such units so that the uppermost one  is maintained at a desired level when units are removed from or added to the stack. The carrier 24, Fig. 1, is movable vertically on brackets- 28, 30 carried by pairs of sprocket chains 32, 34 which are driven through gearing 72 and a shaft 44 by a reversible motor in an electrical unit 78. Photo-cells 66, 68 and associated light sources 62, 64 are oppositely mounted at the corners of a rectangular opening 58'above the carrier. If the upper light beam is interrupted for a sufficient time by the uppermost stack unit, the de-energization of cell 68 results in the operation of a time delay relay 86, Fig. 3, to permit energization of the winding of a relay 90 the latter's contacts being thus closed to energize the field 96 of the motor MR in a sense as cause the latter to lower the carrier until the beam is uninterrupted again. If the uppermost stack unit falls below the lower beam fora sufficient time, the energization of cell 66 results in the operation of a time delay relay 88 to permit energization of a relay 98, the latter's contacts being thus closed to energize motor field 96 in a sense as to raise the carrier until the lower beam is interrupted again. The level of material is thus maintained between the two beams, the beam separation  being adjustable according to the size of the units to eliminate '" hunting." Limit switches  are opened by the carrier at the upper and lower limits of its motion to prevent the motor being energized-to initiate further corrective movement. In modification, Fig. 4 (not shown), a single photo-cell maintains the desired level, the motor field winding being energized in a sense determined by the setting of a manual switch to "load" and " unload positions. The Specification states that mechanical feelers may -replace the photo-cells for detecting the level of material.