baber/WOPTO huggingface dataset:
Patent GB-306589-A (GB)
Title: Improvements in or relating to matrix-setting and type-line-casting machines
IPC: B41B11/18
Filed: 1927-11-23
Abstract: 306,589. Wade, H., (Standard Compositor Ak-t.-Ges.). Nov. 23, 1927. No Patent granted (Sealing fee not paid). Assembling matrices; driving-mechanism. -Relates to means for operating the rearward transfer - abutment, which conveys the matrix line from assembling to casting position, as described in Specification 302,977. The abutment comprises a finger 21, Fig. 1, pivoted on a carriage 22, and normally held in position below the assembler star-wheel 1 by a spring-controlled pawl 23 on the carriage. The carriage is operated in both directions by an endless chain or belt 24 connected thereto through a lost-motion device 27. As tho chain begins to move, a projection 25 thereon trips the pawl 23, and releases the finger 21, which is raised behind the matrix line by a spring, the initial movement of the chain relative to the carriage being permitted by the lostmotion device 27. The chain is operated through a friction clutch 84 from a shaft 81. which is driven by reversible bevel-gearing 79, 80, 82 from a driving-shaft 61. The driving is effected through a sliding clutch member 77, rotatable with the shaft 61, and adapted to engage either of the bevel-wheels 79, 80. The clutch-member is controlled by a lever 74 and a cam 70, which can be driven from the shaft 61. The cam can be clutched to its shaft 63 by a spring-pressed clutch-member 66, Fig. 2, controlled by a keyoperated rod 69, which, engages a cam slot 68 in the clutch-member. Depression of the key releases the clutch-member and starts the chain 24, the motion of which is subsequently reversed by the cam 70. After one rotation of the cam, the rod 69 enters an enlarged part of the slot 68. Further rotation of the shaft 63 causes the clutch-member 66 to be withdrawn by the rod 69, when the clutch-member 77 is in an intermediate position, so that the chain remains stationary.
Patent GB-912460-A (GB)
Title: Semiconductor rectifier device
IPC: H01L23/31
Filed: 1961-09-01
Abstract: 912,460. Semi-conductor rectifiers. STANDARD TELEPHONES & CABLES Ltd. Sept. 1, 1961 [Sept. 8, 1960], No. 31546/61. Class 37. A semi-conductor wafer 4 of silicon, germanium, or an intermetallic compound, with a PN junction is soldered with lead 3 between the flattened ends 2 of solid silver or copper wires 1 which form the lead-in conductors. The wafer may be soldered in a butt joint, Fig. 3, or in a lap joint, Fig. 6. After being joined the rectifier may be dipped in hydrochloric acid to coat the lead with lead chloride after which the exposed edge of the wafer is etched. The wafer is then sealed in lacquer 5. The soldering may be effected by placing a lead disc on either side of the wafer, sandwiching the pile between the conductors and heating the assembly. As shown in Fig. 7 the rectifier is sealed in a ceramic tube 6 with inset washers 10 to avoid contamination of the device when resinous or solder seals 7 are made at each end. As shown in Fig. 8 a sleeve with cooling fins 9 may be attached to one end of the tube 6 to dissipate heat. Specification 850,599 is referred to.
Patent GB-1505703-A (GB)
Title: Door-opening detent device
IPC: E05C17/20
Filed: 1975-07-28
Abstract: 1505703 Door stays PAUMELLERIE ELECTRIQUE 28 July 1975 [31 July 1974] 31563/75 Heading E2F In a door holding stay or detent device which is connected, in use, between a door post 1 and a door 3, a flat bladed arm 4 is pivotally connected to the door post at 7 and opposite edges of the arm 4 are engaged by wheels or rollers 12, 13 which are mounted on the door, the axis of one wheel or roller 12 being fixed and the other wheel or roller 13 is movable under the action of a spring 28 which presses the wheels or rollers into contact with the arm 4. The arm 4 is provided with at least one detent notch 9, 11  in the edge of the flat bladed arm 4, the movable wheel or roller 13 being mounted on a pivotal member 22 which is pivotally connected to the door post 1 at 21, the pivotal member 22 being directly subject to the action of a spring 28. The pivotal member 22 is pivotally connected to a jawshaped bracket 14 which is attachable to the door 3. In an alternative embodiment (Figs. 4- 6 inc., not shown) the arm 4 is provided with intermediate detent notches to allow the door to be engaged by the detent notches at an intermediate point during the opening of the door. In this embodiment a torsion spring is provided instead of the compression spring used in the first embodiment.
Patent GB-510409-A (GB)
Title: Improvements in yarn winding apparatus
IPC: D01H1/06
Filed: 1938-11-09
Abstract: 510,409. Winding and twisting spindle apparatus. BRITISH CELANESE, Ltd. Nov. 2, 1938, No. 31736. Convention date, Nov. 2, 1937. [Class 120 (ii)] Spindle apparatus for winding yarns, particularly for twisting and winding is provided with a flyer 7 loosely mounted on the wharl or other rotating part so as to engage the thread when thrown on to initiate the winding and to stop readily if obstructed, as by a finger of the operative. As shown, the flyer is formed in two parts having their ends 13, Fig. 4, twisted together and provided with hooks 14 shaped to avoid projections which would injure an operative, and is carried in a groove in the wharl of a cap spindle. The wharl is provided with a cap 3 to overhang the bolster to shield the thread from thrown oil.
Patent GB-1262515-A (GB)
Title: Novel styryl isocyanates and isocarbostyriles and process for production of isocarbostyriles
IPC: C07D217/24
Filed: 1969-06-24
Abstract: 1,262,515. Preparation of isocarbostyrils and intermediate isocyanates. UNION CARBIDE CORP. 24 June, 1969 [5 July, 1968], No. 31769/69. Heading C2C. Isocarbostyrils, e.g. of the general formula wherein each R<SP>1</SP> individually can be hydrogen, alkyl, alkoxy, halo, two R<SP>1</SP> variables joined together to form a ring, provided that at least one R<SP>1</SP> represents hydrogen in a position ortho to the -CR<SP>2</SP>-CR<SP>3</SP>-NCO moiety, and wherein R<SP>2</SP> and R<SP>3</SP> individually represent hydrogen, alkyl, are produced by heating at elevated temperature, e.g. 200‹ to 300‹ C., a styryl isocyanate, e.g. of the general formula The isocyanates may be prepared by known steps from the corresponding aldehyde through cinnamic acid, corresponding acid chloride, cinnamoyl azide which is heated to give the corresponding isocyanate. In an example, 3-methoxy cinnamoyl chloride obtained by reacting the corresponding acid and thionyl chloride is reacted with sodium azide to produce 3-methoxy cinnamoyl azide which is heated to produce 3-methoxy styryl isocyanate and the latter refluxed to produce 6-methoxy isocarbostyril. Many other examples are given.
Patent GB-318663-A (GB)
Abstract: 318,663. Dreyfus, H. June 7, 1928. Aliphatic acid anhydrides are produced by heating the acid, particularly acetic acid, in presence of a phenol or an aliphatic acidyl derivative of a phenol, such as phenol, cresols, xylols or acetyl derivatives thereof. The reaction may be effected at 250-1000‹ C. at reduced, ordinary or increased pressure such as 3-10 atmospheres in tubes made of or lined with copper, silica or earthenware which may contain balls or pieces of pumice, kieselguhr, carborundum &c. or catalysts know to be suitable for the production of the anhydride. The mixed vapours may be passed through the tube &c. or the phenol or acidyl phenol may be injected into the reaction zone in liquid or vapour form. In an example a mixture of vapours of acetic acid and phenol containing 5 per cent of phenol is passed through an earthenware tube containing pumice at 400-600‹ C. The anhydride may be separated from the reaction vapours by passing through columns at temperatures between the boiling points of water and the anhydride, or may be passed through a solvent insoluble in water at temperatures between the boiling-points of water and the anhydride, mention being made of chlorbenzene, p-chlorbenzene, benzyl ether, tetrachlorethane, paraffin oil, triacetin, phenetol, anisol, one or more cresols, and p-cresyl acetate. Or the reaction vapours may be condensed while carrying away the water vapour by the vapours of an entraining liquid as described in Specification 303,772, the liquids mentioned therein or toluene, xylenes or other solvents of boiling-point between those of water and the anhydride, being used; or the reaction vapours may be passed under the surface of an " extracting liquid " as described in Specification 298,667; or they may be passed over water binding substances as described in Specification 289,972; or they may be caused to impinge on the surface of a flowing stream of benzene &c. as described in Specification 310,863. When pressure is employed, it is preferred to release the pressure before the separation of the anhydride. The initial material may be in concentrated or dilute form.
Patent GB-1062674-A (GB)
Title: Cable drop percussion hammer drill and method of drilling
IPC: E21B11/02
Filed: 1965-07-26
Abstract: 1,062,674. Boring earth &c. TRIDENT INDUSTRIES Inc. July 26, 1965 [Aug. 7, 1964], No. 31874/65. Heading E1F. A cable drop hammer drill comprises a hammer reciprocabable in a casing, an anvil fixed to the casing and adapted to be struck by the hammer, a spring biasing the hammer away from the anvil, means for attaching a bit to the drill, and means for lifting the drill. The hammer is spaced from the anvil so that an initial blow on the bottom of the hole due to dropping the drill and string is followed by a further blow or blows caused by movement of the hammer. A jar may be incorporated in the drill string above the drill.
Patent GB-410174-A (GB)
Title: Improvements in or relating to tobacco cutting machines
IPC: A24B7/10
Filed: 1932-11-11
Abstract: 410,174. Cutting tobacco. MOLINS, W. E., 2, Evelyn Street, Deptford, London. Nov. 11, 1932, No. 31909. [Class 5 (i).] A tobacco leaf cutting machine of the type in which curved edged knives 1 are movable to co-operate with a fixed mouthpiece 8 having rigid walls and are arranged to sever a compressed cheese of tobacco after extrusion from the mouthpiece, is characterised in that the severing action of the knife or knives on the cheese is at all times in the same direction and in that the knife or knives are confined to movement in one plane and that at least a part of the cutting edge of a knife or knives is moved past and into contact with a sharpening element 11 between each cutting operation and that immediately succeeding it. Fig. 2 shows three circular disc knives 1 mounted on spindles 2 axially adjustable in bearings 5 incorporating ball races, the knives being free to rotate on the spindles. An oil stone 12, to remove any burr set up by the grindstone 11, may be in the form of a wheel or simple block, as shown, and may be adjustable to compensate for wear of the knives : the stone 11 is similarly adjustable and is trued by means of a diamond. The spindles 2 may be automatically adjustable radially. The knives may be positively driven, e.g. by sun and planet gearing. Alternatively, a single large diameter circular disc may be employed ; or, segmental knives 32, Fig. 7, spring-pressed against stops 34 and cam-operated at the grinding position to render them concentric with the axis of rotation, may be used ; or, a reciprocating circular knive 24, Fig. 8, may be rotated on its axis by a pawl 31 and ratchet 30 or may rotate idly on its axis. The axis of the/or each knife may be inclined with respect to the axis of the cutter head. Specification 365,997 is referred to in the Provisional Specification.
Patent GB-897937-A (GB)
Title: Improvements in or relating to apparatus for determining thermal stresses
Inventor: BERNARD JEAN LOUIS
IPC: G01N25/16
Filed: 1958-10-07
Abstract: 897,937. Measuring thermal stresses. COMMISSARIAT A L'ENERGIE ATOMIQUE. Oct. 7, 1958 [Oct. 8, 1957], No. 31990/58. Class 40 (1). [Also in Group XIX] The stress in a material due to different parts being at different temperatures is measured by subjecting two similar specimens of the same material to the two temperatures respectively, one specimen being under constant load and the load on the other being varied until the variations in length of the two specimens are equal ; the variations of the load applied to the second specimen are then observed. In Fig. 1, one specimen 2 is heated to one temperature and expansion thereof iscommunicated by levers 4, 5 to rock a beam 6 so that contact 6, and 7, engage. A servomotor 8 then moves the upper beam 7 to separate the contacts and record the expansion on a dum 9. The other specimen 11 similarly rocks a beam 15 to engage contacts 15 1  and 16 1 , but in this case the upper beam 16 is driven by the servomotor 8 via a cable 19 so that the contacts remain closed as long as the two expansions are different. The difference energizes a further servomotor 17 which acts on a spring 18 to apply a force to specimen 11 until its dimensions are the same as those of specimen 2. The force applied is indicated at 52 and gives a measure of the stresses which would be set up if the two specimens were united, i.e. were part of the same material. The beam 16 may carry a further recording drum to check that the two specimens expand according to the same law. Each specimen is mounted in the same way, preferably in an inert atmosphere such as argon, and to the mounting is fixed a weight and counterbalance (Figs. 2 and 3, not shown), so that before heating there is no load on either specimen. The specimens may represent the inner and outer parts of a fuel element in a nuclear reactor, the temperatures then being e.g. 460 C. at the centre and 160 C. on the outside. Curves are obtained of the values of temperature and stress against time for both heating and cooling cycles.
Patent GB-485756-A (GB)
Title: Improvements in and relating to apparatus for feeding solid materials
IPC: F27D99/00
Filed: 1936-11-24
Abstract: 485,756. Delivering coal &c. from hoppers: KLOSTERMEYER, H. Nov. 24, 1936, No. 32117. [A Specification was laid open to inspection under Sect. 91 of the Acts, July 14, 1937.] [Class 78 (i)] [Also in Groups XII and XXVIII] Apparatus for feeding solid materials, adapted particularly for supplying coal from a hopper 1 to a ring kiln, comprises a feeding element 8 which is reciprocated through a lever 7 by the movements of a diaphragm 3 on which pressure and vacuum, produced by an engine 6, act alternately. The conduit 5 is fitted with a valve 9 which is actuated from the engine 6 in such a manner that, in the intervals between pressure and vacuum, the conduit is opened to the outer atmosphere.
Patent GB-1359844-A (GB)
Title: Process for polymerising propylene
IPC: C08F10/06
Filed: 1971-07-08
Abstract: 1359844 Polymerizing propylene MONTECATINI EDISON SpA 8 July 1971 [8 July 1970] 32191/71 Heading C3P A stereoregular polypropylene of high bulk density is prepared by polymerizing propylene in the liquid phase at 40-90‹ C. in the presence of a catalyst comprising the reaction product of violet TiCl 3  (obtained by reducing TiCl 4  with an organoaluminium compound) and a compound AlR 3  or AlR 2 X, where R is a hydrocarbon radical containing 2 to 6 carbon atoms and X is a halogen, the catalyst having first been used to polymerize propylene at a temperature below 30‹ C. 0À05 to 15% by weight of the total polymer may may be prepared in this low-temperature stage. Examples describe the polymerization of propylene in n-heptane with a TiCl 3 /Et 2 AlCl catalyst.
Patent GB-175401-A (GB)
Title: Improvements in electrolytic cells
IPC: C25B9/20
Filed: 1920-11-15
Abstract: 175,401. Harrison, G., (Dow Chemical Co.). Nov. 15, 1920. Alkalis, hydrogen, and chlorine, obtaining; electrodes; connections; cells; diaphragms; electrolytes, circulating. - A battery, Fig. 1, for the electrolysis of brine is built up of units each comprising an insulating partition 1 surrounded by a frame 2 which may be integral with or separate from the partition, or may consist of two members arranged on either side of the partition. An iron or other metallic screen 35 constituting the cathode is inset into the edge of the frame 2 and is provided with angle bars 36 by means of which it is secured to carbon blocks 30 projecting through the partition 1. A diaphragm 38 is secured over the screen by tacking to wooden strips inset in the frame. Carbon plates 31 constituting the anodes are secured to the other ends of the blocks 30 by carbon screws 32 with flared heads. The frames 2 are provided with heads 3, Fig. 2, enclosing chambers 7 communicating by passages 4 with the anode chambers and by passages 8 with passages 6, which are aligned in neighbouring units to form a duct for the delivery of chlorine. The passages 6 are provided with inspection apertures 9 closed by plugs 10. The heads are also provided by aligned apertures 5 through which the electrolyte is supplied at a variable head, which may be observed in each unit by a sight-glass 24. The top of the frame may be inclined upwards from the ends to the centre to permit escape of gas. A second head 12 in each unit is provided with a transverse passage 13 communicating with the cathode chamber, the aligned passages forming a duct for the delivery of hydrogen. The passages 13 are provided with openings 16 closed by plugs 17. Alkali is withdrawn from the cathode chambers by tubes 20 dipping into troughs 22, the tubes being adjustable to vary the height of liquid in the chambers. The anode chambers may be emptied through passages 23 normally plugged. Gaskets 39 are interposed between the units. The frames are provided with projecting pins 26 whereby they may be lifted by a crane or the like. The partitions and frames are preferably made of concrete but may be of wood, soapstone, slate, glass, or stoneware. Each screen 35 is connected to a conductor 40 passing through the frame 2. By connecting adjacent conductors any unit may be cut out of circuit.
Patent GB-760892-A (GB)
Title: Improvements in or relating to valves for controlling fluid flow
IPC: F16K11/083
Filed: 1954-11-08
Abstract: 760,892. Valves. NAAMLOOZE VENNOOTSCHAP DE BATAAFSCHE PETROLEUM MAATSCHAPPIJ. Nov. 8, 1954 [Nov. 9, 1953], No. 32216/54. Class 135. A valve, e.g. for automatic fluid metering and sampling stations, comprises a housing 11 having a plurality of inlet ports, e.g. 17, 19, and an outlet port 23 for admitting and discharging fluid respectively into and from a housing chamber, and a movable valve member 12 for isolating any selected one of the inlet ports and connecting it to a separate discharge outlet 24 rotatable with the valve member. The valve may be rotated manually or by an electric motor, the fluid from the selected inlet passing through a flow meter or other testing device before passing to a storage tank connected to the common outlet 23. The top of the valve plug is sealed by a metal diaphragm 30 and lubricating passages 37, 38, 40, 41 and 42 are provided with a check valve 43.
Patent GB-642764-A (GB)
Title: Improvements in and relating to bust bodices, brassieres and the like
IPC: A41F15/02
Filed: 1947-12-08
Abstract: 642,764. Brassieres. LIND, D. J. Dec. 8, 1947, No. 32320. [Class 141] A brassiere having its girth and the effective length of its shoulder straps adjustable comprises breast pockets 4 connected at the front by buttons 5, side pieces 7, and adjustable shoulder straps 21 which are buttoned to the apex of the pockets and joined by a strap 20 which passes freely through a ring 17 at the centre of the wearer's back. The ring is freely mounted on straps 2 each of which is buttoned at one end to a side piece 7 and is adjustably buttoned at its other end to the outer edge of the corresponding breast pocket 4. Each pocket comprises upper and lower sections 9, 10, with reinforcing padding or quilting 13 which may be waterproof and removable. The side pieces may be laced to the pockets and both may be of double material. The straps may be elastic. In a modification, Fig. 3, the side pieces 25 are adjustably laced at the back and the ring 17 is carried freely on a strap 27 adjustably buttoned at its ends to the side pieces.
Patent GB-841239-A (GB)
Title: Process for the manufacture of 4-amino-2, 6-dichloro-pyrimidine
IPC: C07D239/52
Filed: 1958-03-21
Abstract: 4 - Amino - 2:6 - dichloro - pyrimidine is made by heating 4 - amino - 2:6 - dihydroxypyrimidine with 4 to 12 (preferably 11) parts by weight of phosphorous oxychloride and 0.2 to 1.5 (preferably 0.3) parts of dimethylaniline at 70 DEG  to 130 DEG  C., preferably at 80 DEG  to 100 DEG  C.  The product is worked up by removing the excess phosphorus oxychloride and treating with water.
Patent GB-621121-A (GB)
Title: Improvements in or relating to control systems for aircraft and in particular to aircraft automatic pilots
IPC: G05D1/04
Filed: 1945-11-30
Abstract: 621,121. Aircraft control systems. SPERRY GYROSCOPE CO., Inc. Nov. 30, 1945, No. 32416. Convention date, Nov. 30, 1944. [Class 4] [Also in Group XXXV] In a servo-control system for aircraft, coursecontrolling and/or pitch-controlling signals are apportioned between the rudder and elevator in accordance with the actual or calculated angle of bank. The invention is also applicable to the radio control of a projectile which may be in constant rotation about its fore-and-aft axis. The invention is described in connection with an automatic pilot. As shown, coursechanging signals, which arise whenever the gyro-stabilized rotor 7 of a selsyn 6 and the rotor 11 of a selsyn 9, which can be driven in either direction by a motor 13, are not in corresponding positions, are fed to primary windings 21 of a mixing transformer with two secondaries arranged mutually at right angles and connected respectively to the rudder and elevator controls. Similarly, pitch signals from a pick-up controlled by a gyro vertical are fed to primary windings 23 arranged at right angles to windings 21. The secondaries are movable relatively to the primaries and as shown in Fig. 1 are stabilized by the gyro vertical. In a modification, Fig. 6 (not shown), the mixing transformer is 'controlled by an accelerometer and in a further modification by apparatus described below for computing the correct banking angle. In another arrangement, Fig. 4 (not shown), the mixing is done in a ring potentiometer. In all cases the effect is that any course signal is divided between the rudder and elevator in the ratio of the cosine and sine of the angle of bank and conversely any pitch signal is divided between the elevator and rudder in that ratio. Computing correct banking angle. As is known, the tangent of this angle is proportional to the product of the air-speed and the angular velocity. As shown in Fig. 5, a gyro 65 precesses against a spring 67 in accordance with the angular velocity and controls the position of the secondary 70 of a transformer feeding one phase of a two-phase induction motor. The 'other is fed in accordance with the condition of an air-speed indicator and the motor rotates against a spring designed to make the angle of rotation equal to the correct angle of bank.
Patent GB-973593-A (GB)
Title: Improvements relating to servo-mechanisms for controlling fluid-operated rams
Inventor: BOORER ALAN CORMACK
IPC: G05D23/275
Filed: 1962-08-23
Abstract: 973, 593. Fluid-pressure servomotor systems. ALAN INVESTMENTS Ltd. Aug. 23, 1963 [Aug. 23, 1962], No. 32443/62. Heading G3P. Apparatus operating a ram in accordance with temperature changes comprises a lever 12 pivoted at 10<1> to a member 10 connected to a ram 2 by a rope 8, the lever also being pivoted at 16 to a temperature responsive device 18. When the temperature changes the lever 12 rotates about the pivot 10<1> to close one or other of microswitches 22, 28 which opens valve 14 or 30 to supply or exhaust fluid to the ram 2. Movement of the ram moves the member 10 to cause rotation of the lever 12 about pivot 16 until the microswitch is opened and the valve closed. The apparatus is described for use in a greenhouse where the rope 8 adjusts the opening of a window 6.