baber/WOPTO huggingface dataset:
Patent GB-757760-A (GB)
Title: Production of turbine blades
IPC: B21D53/78
Filed: 1954-06-17
Abstract: 757,760. Making turbine blades. WURTTEMBERGISCHE METALLWARENFABRIK. June 17, 1954 [June 19, 1953], No. 17873/54. Class 83 (2). In a method of making hollow blades for turbines a round or profiled precision-cast blank 1, Fig. 3, is machined to approximate shape on the inner and outer faces as by broaching and copy-turning or milling and is then formed to final shape by hot or cold stamping between dies 4, Fig. 7, or by rolling or by other non-cutting operations. The shape of the casting is so chosen that it may be readily machined, the final cross-section and twist being imparted by the discs 4. The blade surface may be finally ground and polished.
Patent GB-1383784-A (GB)
Title: Zoom lens
IPC: G02B15/22
Filed: 1972-10-31
Abstract: 1383784 Zoom lens mount PONDER & BEST INC 31 Oct 1972 [1 June 1972] 17932/74 Divided out of 1383782 Heading G2J The subject-matter of this Specification is the same as that described in Specification 1383782 but the claims differ.
Patent GB-545474-A (GB)
Title: Improvements in or relating to a dimpling machine
IPC: D07B9/00
Filed: 1940-12-20
Abstract: 545,474. Jointing by rolling. AMERICAN CHAIN & CABLE CO., Inc. Dec. 20, 1940, No. 17962. Convention date, Dec. 21, 1939. [Class 83 (iv)] A machine for securing a sleeve 72, Fig. 5, to a stranded wire cable &c. 73 by indenting the exterior of the sleeve comprises two rotatable discs 23, 50, Figs. 1 and. 3, having their peripheries formed with grooves, into which project radial pins for making the indentations. The discs are geared together and are rotated by means of a handle 30. Each disc carries three built-up segments 60, 61, 62 containing the grooves 70 and the radial pins 64, the pins in opposing segments being staggered. At the end of each segment is a grooved abutment-plate 65 to receive the cable and to support the forward end of the sleeve. The rear end of the sleeve is supported in the forked end of a rod 90, which can slide in a guide 84. The guide can be rotated and held in different angular positions by a locking-pin 85, so that a number of rows of indentations may be impressed in succession around the periphery of the sleeve. The segments have different numbers of pins and grooves of different sizes adapted to cables of various diameters. The handle 30 contains a sliding pawl engaging ratchet teeth on the upper disc, so that the handle may be adjusted in order to bring the different segments into use.
Patent GB-807606-A (GB)
Title: A process for the preparation of -a-acylamino-nitriles
IPC: C07C255/32
Filed: 1957-06-06
Abstract: a -Acylamino-nitriles are prepared by reacting an a -ketonitril with an imine, a Schiff's base or a hydrazone.  Thus, for example, benzalbutylamine reacts with benzoyl cyanide as follows:- <FORM:0807606/IV (b)/1> Specified a -ketonitriles are acetyl, propionyl, benzoyl and toluoyl cyanides.  Specified imines, Schiff's bases and hydrazones are those prepared by reacting ammonia or amines or hydrazines such as methylamine, ethylamine, propylamine, isopropylamine, butylamine, benzylamine, phenethylamine, aniline, toluidines, hydrazine, methyl- or ethyl- or benzyl- or phenethyl- or phenyl- or tolyl-hydrazines, 1 : 1-dimethyl- or -diethyl-hydrazine, 1-methyl-1-ethyl- or -phenyl- or -benzyl-hydrazine and 1 - ethyl - 1 - benzyl - or-phenyl - hydrazine by known methods with aldehydes or ketones such as formaldehyde, acetaldehyde, propionaldehyde, cyclohexylidene- or cyclohexyl- or phenylacetaldehyde, benzaldehyde, anisic or veratric or cinnamic aldehyde, acetone, methyl vinyl ketone, diethyl ketone, cyclohexanone, cyclohexenone, acetophenone, propiophenone, benzophenone, fluorenone and xanthone.  The reaction is preferably carried out in an organic solvent such as ether, chloroform, dioxane, benzene or ethanol and in the presence of a basic catalyst such as trimethylamine, triethylamine, dimethylaniline or 1-methyl-piperidine.  In examples: (1) benzophenonimine and benzoyl cyanide are reacted to give a  : a -diphenyl-a -benzoylamino - acetonitrile; (2) benzalbutylamine and benzoyl cyanide are reacted to give a  - phenyl - a  - (N - benzoyl - N - butylamino) - acetonitrile; (3) the phenylhydrazone of acetone and benzoyl cyanide are reacted to give a -(B1-phenyl - a 1 - benzoyl - hydrazino) - isobutyronitrile; (4) benzalaniline and acetyl cyanide are reacted to give a -acetylanilino-a -phenyl-acetonitrile; (5) propiophenoximine and benzoyl cyanide are reacted to give a -benzoylamino-a -phenyl - butyronitrile; (6) fluorenonimine and benzoyl cyanide are reacted to give 9-benzoylamino - 9 - cyano - fluorene; (7) b  - amino - crotonic acid (i.e. b -imino-butyric acid) ethyl ester and benzoyl cyanide are reacted to give b -benzoylamino - b  - cyano - butyric acid ethyl ester; (8) N-cyclohexylidine-N-cyclohexylamine and benzoyl cyanide are reacted to give 1-(N-cyclohexyl - N - benzoylamino) - 1 - cyano - cyclohexane; (9) N-furfurylidine-aniline and benzoyl cyanide are reacted to give (N-benzoyl)-anilino)-furyl-acetonitrile.
Patent GB-274097-A (GB)
Title: Improvements in and relating to motor power installations
IPC: F01D17/24
Filed: 1927-07-07
Abstract: 274,097. British Thomson-Houston Co., Ltd., (Assignees of Holt, K. M.). July 7, 1926, [Convention date]. Systems for altenating- current motors. - In installations wherein a pump or other machine is driven by both an electromotor and a back-pressure turbine supplying steam for industrial purposes, the setting of the back-pressure, governor is changed by a reversible electromotor 17 operated by a back-pressure governor 26. This governor may be an electrical Wheatstone bridge device as described in Specification 256,221, and. a switch 58 serves automatically to cut off the supply of current thereto when the supply of power to the motor 21 fails, reverse current switch 23a being automatically opened and consequently switch 58 also.
Patent GB-298520-A (GB)
Title: Improvements relating to the manufacture of white lead by electrolysis
IPC: C25B1/00
Filed: 1927-07-07
Abstract: 298,520. Carreras, R. S. July 7, 1927. Addition to 277,723. White lead, obtaining.-The invention claimed in the parent Specification is modified by the use of a very dilute solution of the electrolyte, e.g. sodium chlorate, this constituent acting as a catalytic agent, and the carbonic acid constituting the sole reactive constituent. The electrodes are spaced widely apart to permit precipitation of the basic lead carbonate as a cloudy slime away from the surface of the electrodes.
Patent GB-543922-A (GB)
Title: Improvements relating to fluid pressure and/or flow responsive electric switches
IPC: H01H35/40
Filed: 1940-12-26
Abstract: 543,922. Actuation of switches. BRITISH THOMSON-HOUSTON CO., Ltd., HIGGINS, B. G., and TUCKER, N. A. Dec. 26, 1940, No. 18139. [Class 38 (v)] A switch H is operated by movement of a lever A acted upon by two fluid pressure responsive bellows B, C arranged on opposite sides of the lever and at different distances from the pivot. The pressures may be due to fluid flowing upwards through the pipe L past an opened tap M the higher pressure in bellows B overcoming the lower pressure in bellows C despite C's greater leverage. The switch H may be a micro switch as described in Specification 419,917. Specification 534,807 also is referred to.
Patent GB-928967-A (GB)
Title: Drive apparatus particularly for tape
IPC: G06K13/22
Filed: 1961-05-19
Abstract: 928,967. Feeding webs. MONROE CALCULATING MACHINE CO. May 19, 1961 [July 7, 1960], No. 18306/61. Class 100 (1). Tape 14 is fed by a sprocket-wheel 2 when an electromagnetic coil 22 is energized to attract the wheel 2 to a rotating drum 8 and is held stationary when the wheel 2 is attracted to a fixed drum 6 by an electromagnetic coil 20. The drum 8 is driven by a motor 32 through circular ring 38 engaging a V-shaped groove in the drum 8. A feeler 58 in the form of an electrical conductor detects the presence of tape to initiate tape driving by the drum 8.
Patent GB-442067-A (GB)
Title: Improvements in and relating to air-conditioning and air-humidifying apparatus
IPC: B64C3/56
Filed: 1935-06-26
Abstract: 442,067. Automatic control of temperature and humidity. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London. June 26, 1935, No. 18333. Convention date, June 29, 1934. [Class 38 (iv)] [See also Groups XII and X] In air-conditioning apparatus comprising a tray or pipes 66 feeding heated water in globulated form to a wire mesh screening 61 the water supply is controlled by a thermostat 55 in the supply pipe 37. Air may be heated by passage over a boiler 10 or a gilled pipe 26 heated by water from the boiler and is passed by a fan 25 through a casing 21 containing the screen. Water for the screen passes through a pipe 37 and is heated indirectly at 27 by water from the boiler. The thermostat 55 in the pipe 37 controls a spring- closed cock 42 in the pipe and the current supply to the fan 25. A thermostat 18 in a room controls a device 13 controlling this circuit and chains 14, 15 connected to dampers 11, 12 in the boiler 10. A thermostat 85 and humidostat 86 in a room are connected through a transformer 87, an interlocking relay 88 and the thermostat 55 in the water supply to a solenoid 54 controlling the water supply valve 42 and the fan 25. The thermostat 85 controls the fan, and the interlocking relay 88 prevents water supply until the fan is rotating.
Patent GB-298659-A (GB)
Title: Improvements in or relating to price computing weighing scales
IPC: G01G23/22
Filed: 1927-07-11
Abstract: 298,659. Folkes, G. E., (Schnellwaagen Fabrik Ges.). July 11, 1927. Computing-apparatus.-In a computing weighing-scale of the kind having a rotary dial chart graduated with both weights and value numerals, the face or each face of the dial' is provided with two separate and independent series of weight and value graduations disposed on opposite sides of a diameter and each cooperating with a separate index disposed in front and radially of the chart. As shown, a rotary dial chart 1 is mounted within a housing 2 and is viewable through windows 3<a>, 3b, across which a reading index 4 is stretched. The chart is graduated in two halves, 1<a>, 1<b>, each half bearing value numerals corresponding to one of Lwo price per unit-weight charts 3<c>, 3d, and the outermost edges of each half bearing identical weight graduations. Those parts of the chart that represent different multiples of the unit value are differently coloured.
Patent GB-796903-A (GB)
Title: Improvements in the production of polymerisation products of olefine hydrocarbons
IPC: C08F10/00
Filed: 1956-06-14
Abstract: Olefin polymerization catalysts comprise a mixture of a hydride of a metal of Group I (A) or II (A), a halide of a metal of Group II (A) or III (B), and another metal compound.  Specified olefins are ethylene, propylene, butylenes, butadiene, isoprene, styrene and mixtures.  Specified metal hydrides are those of lithium, sodium, potassium, magnesium, calcium, strontium, and barium and complex metal hydrides such as lithium aluminium hydride, while specified metal halides are the chlorides and bromides of aluminium, beryllium and magnesium.  Specified other metal compounds are iron - 2 - chloride, iron - 3 - bromide, cobalt chloride, nickel bromide, manganese-2-chloride, chromium-3-chloride, chromyl chloride, halides of molybdenum or tungsten, vanadium-4-chloride, vanadium oxychloride, halides or niobium and tantalum, titanium-4-chloride, titanium - 3 - chloride, zirconium - 3 - chloride, zirconium - 4 - bromide, hafnium - 4 - chloride, copper - 2 - chloride, iron - 3 - thiocyanate, titanic acid esters, organic metal compounds, e.g. acetylacetonates, and the oxides of the above metals.  The proportion of other metal compound may vary from 3 : 1 to 1 : 3 to the metal hydride.  German Specification 874,215 is referred to.ALSO:Olefin hydrocarbons are polymerized in the presence of a mixture of a hydride of a metal of Group IA or IIA, a halide of a metal of IIA or IIIB and another metal compound.  Specified olefins are ethylene, propylene, butylenes, butadiene, isoprene, styrene and mixtures.  Specified metal hydrides are those of lithium, sodium, potassium, magnesium, calcium, strontium and barium and complex metal hydrides such as lithium aluminium hydride, while specified metal halides are the chlorides and bromides of aluminium, beryllium and magnesium.  Specified other metal compounds are iron-2-chloride, iron-3-bromide, cobalt chloride, nickel bromide, manganese-2-chloride, chromium-3-chloride, chromyl chloride, halides of molybdenum or tungsten, vanadium-4-chloride, vanadium oxychloride, halides of niobium and tantalum, titanium - 4 - chloride, titanium - 3 - chloride, zirconium - 3 - chloride, zirconium-4 - bromide, hafnium - 4 - chloride, copper - 2-chloride, iron - 3 t thiocyanate, titanic acid esters, organic metal compounds, e.g. acetylacetonates, and the oxides of the above metals.  The proportion of other metal compound may vary from 3 : 1 to 1 : 3 to the metal hydride.  The polymerization is preferably carried out in the presence of inert organic liquids such as petroleum ether, gasoline fractions, Diesel oil, hexane, octane, cyclohexane, and benzene, preferably at between 20 and 3000 atmospheres pressure and a temperature between 15 DEG  and 250 DEG  C.  German Specification 874,215 is referred to.
Patent GB-1484416-A (GB)
Title: Chromatographic separation of fluid mixtures into fractions
IPC: G01N30/46
Filed: 1975-05-02
Abstract: 1484416 Chromatography SPETSIAL KONSTRUKTOR BJURO AKAD NAUK ESTON SSR 2 May 1975 18398/75 Heading BIH A method of chromatographic separation of fluid mixtures into fractions, comprises circulating a continuously fed mixture in a system of at least three separating columns; simultaneously passing two independent fluid streams through separate series-connected parts of the system; effecting synchronized replacement of inlet and outlet points of the streams and an inlet point of the mixture along the columns; preliminarily separating the mixture circulating in the system into two fractions and discharging the two fractions from the system in said two streams of the fluid medium; and passing one or both streams containing the preliminarily separated fraction in the form of a mixture of substances through one or two additional separating column or columns respectively, wherein the fraction is separated into narrower fractions or individual components. In the condition of an apparatus using three series-connectable columns 1, 2, 3 and one further column 4 shown in the Figure, a mixture of A, B and C introduced where shown is separated; column 1 contains the most strongly absorbed component C from a previous cycle which is being removed by carrier gas W1; a mixture of components A and B passes to column 4 for further separation. When the mixture of all three components A+B+C reaches the valve 8, that valve is opened, the column 4 is connected to the outlet of column 1 instead of the outlet of column 3, and all the other entry and exit points are moved cyclically one position clockwise so that column 1 takes over the position of column 3 and so on.
Patent GB-303911-A (GB)
Title: Improved means for loading freight cars
IPC: B61D45/00
Filed: 1927-07-11
Abstract: 303,911. Marks, E. C. R., (Acme Steel Co.). July 11, 1927. Strap fastenings ; gated rings and the like.-In tying separate load elements 66 into one large unit for rail transport, cross-ties 69 are connected with the main ties 68 by gated rings 70.
Patent GB-836697-A (GB)
Title: Improvements in or relating to small arms
IPC: F41A13/12
Filed: 1955-06-25
Abstract: 836,697. Firearms. WOODCOCK, F. H. June 18, 1956 [June 25, 1955], No 18432/55. Class 119 In a smallarm of the kind in which the barrel and mechanism are mounted in a stock, a vibration damping device is interposed between the barrel 11 and the fore-' end 12 of the stock. The damping device comprises a liquid layer, such as of heavy oil, contained in a thin walled cylinder 15 of steel, aluminium, or the like, coaxial with the barrel 11 and extending at least over the length where the barrel would otherwise be in contact with the fore-end 12. The ends 15a and 15b of the cylinder 15 are thickened so that their inner diameters have a small dimensional clearance with the barrel 11 and are grooved internally to carry resilient sealing rings 21 and 18. The sealing rings 21 and 18 fit tightly around the barrel 11 to support and locate the cylinder 15 and to seal its contents. A nut 22 and washer 23 can be clamped against the ring 21 to lock the cylinder in position. The fore-end is attached to the barrel by a securing bolt 30 which is screwed into a boss 28 on the cylinder 15 or, alternatively, by one or more external metal straps, packed with felt, as in Figs. 3 and 4 (not shown).
Patent GB-1198419-A (GB)
Title: Athletic Shoe
IPC: A43C15/16
Filed: 1969-04-10
Abstract: 1,198,419. Boots &c. COORS PORCELAIN CO. 10 April, 1969, No. 18449/69. Heading A3B. A shoe, e.g. a golf shoe has a sole 12 in which are embedded studs 14 consisting of sintered alumina-base ceramic bodies. The sole 12 may be formed of an elastomer such as natural rubber, butyl rubber, polyurethane or any of the other synthetic rubbers and the studs 14 are embedded in the sole 12 during the moulding of the sole. The sole 12 may be covered by padding 10. The studs 14 have a spike portion 14 and a head portion 18 and are formed of sintered alumina base ceramic containing at least 85 per cent aluminium oxide and which may contain glass forming ingredients and crystal growth inhibitors. The head 18 of the stud 14 may have a thin coating of metal, e.g. titanium or brass, or organic resin, e.g. epoxy resin, to improve the bond between the stud 14 and sole 12.
Patent GB-1120720-A (GB)
Title: Sound recording apparatus
Inventor: CASEBEER ORAN TAYLOR
IPC: G11B7/125
Filed: 1967-04-21
Abstract: 1,120,720. Pulse modulation circuits. EASTMAN KODAK CO. 21 April, 1967 [25 April, 1966], No. 18455/67. Heading H4L. [Also in Division G5] In a sound recording system (see Division G4-G6), a light emitting diode 16 emits light pulses in response to output pulses from an oscillatory circuit including a unijunction transistor 21, the pulse repetition frequency being varied by variation in the capacitance of a crystal microphone 35 in accordance with an audio input signal. The output pulses from the unijunction transistor 21 are amplified by a coupling transistor 45.
Patent GB-858437-A (GB)
Title: Improvements in and relating to autographic registers
Inventor: CASTLETON ALBERT EDWARD
IPC: B41L5/08
Filed: 1958-06-10
Abstract: 858,437. Autographic registers. LAMSON PARAGON Ltd. May 29, 1959 [June 10, 1958], No. 18510/58. Class 16. In an autographic cash register in which the cash drawer is opened by the operation of the register, a manually operable device is provided which releases the drawer independently of the register, unauthorized operation of said device being prevented by a key operated lock. A latching device 7 pivoted at 8 holds the drawer 2 against the action of a spring 16 in the closed position and is operated, to release the drawer, by means of a slidably mounted rod 10, which is moved rearwardly either through the intermediary of a pivoted rod 12, rotated by a cam 14 when the register is operated to issue a receipt, or by a push button 17 having a recessed shank 18 in which the end of the rod 10 freely engages. To prevent unauthorized operation of the push button, the tongue 20 of a key-operated lock 19 normally engages an annular flange 21 on the button. The latching device 7 is urged anticlockwise by spring means so that the rod 10 and lever 12 are returned to their initial positions, but separate spring means may be provided to return the lever 12. The opening of the drawer causes a bell b to ring.
Patent GB-896956-A (GB)
Title: Phosphonic acid esters
IPC: A01N57/20
Filed: 1960-05-25
Abstract: The invention comprises phosphonic acid esters of the formula <FORM:0896956/IV (b)/1> where "alk" is alkyl, cycloalkyl or alkenyl containing up to 8 carbon atoms and which may be substituted, X is -OR, -SR or -NR1R2 and R, R1 and R2 are substituted or unsubstituted alkyl radicals containing up to 4 carbon atoms, with the proviso that when X is -OR "alk" must be alkenyl; and their preparation by reacting chloral with a compound <FORM:0896956/IV (b)/2> where R is a substituted or unsubstituted alkyl radical of up to 4 carbon atoms, in the presence of an inert organic solvent and at elevated temperature.  Specified compounds are ("alk" and X given): ethyl, ethylthio; ethyl, diethylamino; cyclohexyl, dimethylamino; isobutenyl, 2-chloroethoxy; isooctenyl, 2-chloroethoxy; b -ethoxyvinyl, 2-chloroethoxy; and b -phenylvinyl, 2-chloroethoxy. The compounds are of use as insecticides (see Group VI).ALSO:Insecticidal compositions contain as active ingredient a compound of the formula <FORM:0896956/VI/1> where "alk" is alkyl, cycloalkyl or alkenyl containing up to 8 carbon atoms and which may be substituted, X is -OR, -SR or -NR1R2, and R, R1 and R2 are alkyl radicals containing up to 4 carbon atoms and which may be substituted, with the proviso that when X is -OR "alk" must be alkenyl (see Group IV (b)), and a solid or liquid carrier or diluent. Specified carriers are talc, chalk, bentonite, clay, water (with emulsifiers if necessary), methanol, ethanol, acetone, methyl ethyl ketone and liquid hydrocarbons.  Known insecticides and/or fertilizers may also be present.
Patent GB-223637-A (GB)
Title: Improvements in machines for the manufacture of biscuits, confectionery or the like
IPC: A21B5/02
Filed: 1923-07-19
Abstract: 223,637. Wilkinson, R. July 19, 1923. Sheet-cutting machines.-In panning mechanism for biscuits, confectionery, &c., of the kind in which an endless continuously-moving conveying web 14 with a reciprocating knife-edge delivery end 16 is adapted to effect the panning on a continuously-moving pan-conveyer 19, means are provided, such as a web 11, adapted to receive whilst in a stationary condition "cuts" of biscuits &c. from the usual intermittentlymoving cutting web 1, and then move at an increasing speed in the direction of movement of the upper run of the web 14 until the speed of the biscuits is equal to that of said web, and then to deposit them thereon. The accelerating and depositing web 11 consists of a piece of webbing loosely folded round a plate 12, the two ends being secured to a bar 13 which is subject to a reciprocating movement by means of cams &c., while an auxiliary web 8 may be provided between the webs 1, 11. The pan-conveyer 19 is driven by a shaft 46 from mechanism, Fig. 2, so arranged and adapted to operate that the drives of the said conveyer at panning speed and at an accelerated speed at the conclusion of the panning stroke are capable of variation in inverse ratio to each other. The shaft 46 is driven continuously by two ratchet-wheels 44, 45 operated, through levers 47, 48, by a lever 27, which receives its motion from two other levers 24, 31 operated by cams 30, 36 respectively. The lever 24, which may be called the constant-speed lever, is connected to the lever 27 by a rod 26 having an adjustable pin and slot connection 28, while the accelerating lever 31 is also connected by an adjustable connection 40 and rod 32 to the lower end of the lever 27, which works in a slot 33. Between the two levers 24, 31 is arranged a bar, having a pair or transverse slots in which the pins 28, 40 work, and adjustable so as to move longitudinally with respect to said levers and in a plane parallel thereto, adjustment of the bar causing the pins 28, 40 to move in opposite directions, thus increasing the effective length of one of the levers 24, 31 and decreasing the length of the other.