baber/WOPTO huggingface dataset:
Patent GB-1351274-A (GB)
Title: Magnetic disc playback apparatus
IPC: G11B17/035
Filed: 1971-03-19
Abstract: 1351274 Playback of magnetic disc records INTERNATIONAL BUSINESS MACHINES CORP 19 April 1971 [13 March 1970] 7294/72 Divided out of 20734/71 (now abandoned) Heading G5R The opening of a cover 12 allows a magnetic record disc 14, which may be enclosed in a jacket 16 as described in Specification 1,260,637, to be dropped into a loading shoot 30, and subsequent closure of the cover 12 causes a plunger 34 to insert first the tapered end and then the cylindrical body of a freely rotatable hub 38 into a central aperture in the disc 14 having a diameter equal to that of the body of the hub 38. A flange 46 on the hub 38 clamps the disc 14 to a rotary drive member 40. (For Figures see next column.)
Patent GB-292244-A (GB)
Title: Improvements in or relating to key-operated impulse sending devices
IPC: H04M1/26
Filed: 1927-03-16
Abstract: 292,244. Automatic Telephone Manufacturing Co., Ltd., and Tench, F. March 16, 1927. Semi - automatic exchange systems. - A key-strip for use in conjunction with an impulse-sender for automatic telephone systems, is so arranged that the depression of a key produces circuit changes, such that if two keys are depressed at one time, they cannot be effective simultaneously; in one arrangement, the key first depressed remains effective until released; in a second, both keys are ineffective; while in a modification of the second, each key remains effective for a definite time-interval subject to the depression of the next key. The slow-to-pick-up and slow-to-release relays used are controlled by short-circuited windings so that the interval may be finely adjusted. In the first example, Fig. 1, in which the operation of the keys act to apply earth to one or more of four leads 37 - - 40 leading to the impulse-sender as in Specification 229,765, depression of a key acts to energize two of the relays 11 - - 15 through chain circuits 17, 20, 24, 28 and 21, 25, 29, 31 controlled by all the relays, the said relays locking up until the said key is released. When any two relays are locked up, both chain circuits are open so that the depression of another key will not energize its particular relays until the first key is released. It will be seen that if one relay is energized through two keys which are simultaneously depressed and therefore remains energized when the first key is released, one chain circuit will still be made to energize the second relay. A slow release relay 33 is de-energized when a key is depressed, so that earth is applied at armature 34 to the leads, and is re-energized to make a break between impulse series even if one of the relays 11 - - 15 remains locked up. In the second example, Fig. 2, the chain-circuits are controlled by the keys themselves in such a way that neither of two simultaneously-pressed keys will be effective. Depression of a key applies earth, either directly to one of the leads 51 - - 54 in the case of keys 1 - - 4, or to energize one of relays 55, 59 - - 63, which applies earth to two of the leads. The relays 55, 59 - - 63 are slightly slow to pick up and quick to release to ensure a break in impulsing when consecutively-pressed keys earth the same lead. In a modification of the above, Fig, 3 (not shown), the controlling earth is applied through a relay for a time interval limited by the operating-time of a slow-to-energize relay the circuit of which is completed by any one of the key relays.
Patent GB-682103-A (GB)
Title: Improvements relating to machines for cutting tobacco
IPC: A24B7/02
Filed: 1950-03-23
Abstract: 682,103. Tobacco cutting machine. LEGG, Ltd., R., and SCHREIBER, P. Q. R. March 27, 1951 [March 23, 1950], No. 7340/50. Class 5(i) In a tobacco shredding machine the motion of the knife 2 which reciprocates in a circular arc 28 Fig. 4 about a pivot 24 is modified on the upstroke to follow a path 29 distanced from the arcuate mouthpiece 11 so that the knife is clear of the e tobacco being fed through the mouthpiece. This is done by providing eccentric c bushes 20 as pivots for the arms 18 carrying the knife 2 such bushes 20 b e ing automatically rocked for the upstroke of the knife. Such automatic adjustment of the bushes 20 pushes the arms 18 to the right Fig. 1 for the upstroke of the knife 2. This rocking is obtained from a cam 48 on the crankshaft 10 pushing a rod 42 towards 20, such push being coupled through linkwork 34, 36, 38, 40 to rock the extension arms 30 of the bushes 20. The clearance between the knife 2 and the mouthpiece can be set by mounting the bushes 20 on eccentric collars 22 on a shaft 24 which can be turned by worm drive 51 and handwheel 52 to give the required clearance. The tobacco is fed between upper rollers 16 and a lower roller 14 to the mouthpiece. The upper edge 15 of the mouthpiece and the upper feed rollers 16 can rise and fall so that a constant pressure is applied to the tobacco even though the rate of tobacco feed may fluctuate. Such rise : nd fall is in an arcuate path in the arcuate face of the mouthpiece 11 as a whole.
Patent GB-564151-A (GB)
Title: Bucking bar control for riveting hammers
IPC: B21J15/36
Filed: 1943-05-10
Abstract: 564,151. Riveting. CHICAGO PNEUMATIC TOOL CO. May 10, 1943, No. 7357. Convention date, Dec. 1, 1942. [Class 83 (iv)] A riveting-hammer, particularly for use on the skins of aircraft, has a separate holder-up carrying remote control means for a second fluid-pressure admission valve in series with that normally operating the hammer. Premature operation of the hammer is thus prevented, each operator when ready opening the valve under his control. The snap 17 is operated by a piston 14 controlled by a spring- seated throttle valve 27 actuated by a trigger 16 through a lever 31. Supply to the valve 27 is from a chamber 15 bushed at 36 to receive a valve unit 34 connected to the supply hose at 33 and having a valve 39 soldered &c. to the core wire 44 of a Bowden control 42, secured at its other end to a lever 49, on the dolly 22. A spring 54 normally maintains the valve closed. The outer casing 43 is clamped to the valve member at 41, 47 and to the dolly at 48.
Patent GB-151542-A (GB)
Title: Magazine for talking machine records
IPC: G11B33/04
Filed: 1920-03-12
Abstract: 151,542. Homan, F. H. March 12, 1920. Contents, delivering and facilitating access to. -In a magazine for holding talking-machine records, the records are separated from one another by skeleton stampings 1 each comprising two arms inclined at an acute angle, and connected together by a tie member 1<a>, the stampings being strung on rods 5 with interposed distance pieces. The records are adapted to be moved into readily accessible positions by curved levers 4 formed with notches 7 engaging a fulcrum-rod 8. The ends 9 of the levers 4 may be staggered.
Patent GB-1136053-A (GB)
Title: Shuttleless weaving loom
IPC: D03D47/18
Filed: 1967-02-17
Abstract: 1,136,053. Shuttleless looms. AREF S.A. 17 Feb., 1967 [21 Feb., 1966], No. 7593/67. Heading D1E. Two tubes 10a, 10b enter the shed from opposite sides, the tube 10a containing a weft suspended in a column of air and the tube 10b having a gripper 40; at the centre of the shed the weft enters the tube 10b and is gripped by the gripper 40 so that on withdrawal, the tube 10b pulls the weft through the tube 10a to lay it in the shed. The tube 10b may also be under suction. The weft, from a bobbin 26, is supplied to the tube 10a by way of a guide and brake 27 which is centrally located with respect to the reciprocation of the tube so that reciprocation does not withdraw weft, which is withdrawn only by action of the gripper. The tube 10a may carry more than one weft for weft mixing. The tubes are connected by a link 15 to a frame 17 that is pivoted about 18 by a rod 20 mounted on a crank 21 of adjustable throw. The arm 15 of the tube 10b has a cam 45, which may be adjustable, to operate the gripper 40. The weft is cut, after every pick, on the entry side of the loom to leave its end protruding from the tube 10a.
Patent GB-830102-A (GB)
Title: Improvements in or relating to the preparation of polyureas
IPC: C08L75/02
Filed: 1958-03-10
Abstract: Polyureas are made by condensing aromatic or aliphatic-aromatic diamines with N : N1-carbonyl di-imidazole.  In the examples N : N1-carbonyl di-imidazole is reacted with: (I) 4 : 41-diamino-diphenyl-2 : 2-propane in solution in anhydrous tetrahydrofuran; (II) 4 : 41-diamino-2 : 21-dimethyldiphenyl-methane in solution in anhydrous tetrahydrofuran; (III) 2 : 21-dimethyl-benzidine (4,41) in solution in anhydrous tetrahydrofuran; and (IV) and (V) 2 : 6-dimethyl benzidine in solution in dimethyl formamide.  The products of Examples (I) and (III) may be fabricated into fibres, films and coatings as may the products of Examples (II), (IV) and (V), which are soluble in dimethyl formamide.
Patent GB-214224-A (GB)
Title: Process for the manufacture of india rubber and like articles and products obtained thereby
IPC: C08K3/01
Filed: 1924-03-27
Abstract: 214,224. Ditmar, R. April 9, 1923, [Convention date]. Void [Published under Sect. 91 of the Act]. Moulding by dipping; moulding indiarubber; moulds.-Porous cores of e.g. unglazed porcelain, clay, gypsum are dipped into latex, or latex may be poured into hollow moulds of porous material, and the film of rubber deposited as a result of the absorption of the water, is dried and may be vulcanized.
Patent GB-867285-A (GB)
Title: Fungicidal compositions
IPC: A01N57/12
Filed: 1959-03-06
Abstract: Beet, sugar-beet, tomato or pea seeds are protected against Pythium disease by treating them with trimethyl phosphorothioate or a composition comprising trimethyl phosphorothioate and a carrier and/or surface-active agent.  The composition may also comprise pentachloronitrobenzene (PCNB).  The carrier may be a liquid or mixture of liquids such as petroleum oil, castor oil, carbon tetrachloride, ethylene dichloride, acetylene tetrachloride, hydrogenated naphthalene, aklylated naphthalene, solvent naphtha and xylene.  Alternatively, the carrier may be a powdered solid such as tri-calcium phosphate, precipitated chalk, bentonite, kaolin and kieselguhr.  The surface-active agent must not react with the trimethyl phosphorothioate.  Suitable surface-active agents are the polyethylene glycol ethers of alkyl phenols and the sodium salts of mixed secondary alkyl sulphates. The trimethyl phosphorothioate may be applied to the seeds in the form of an aerosol or an aqueous emulsion solution or suspension.ALSO:A fungicidal composition comprises trimethyl phosphorothioate together with a solid carrier or a surface-active agent or a liquid or fungicidal, viricidal, insecticidal or acaricidal substances may also be included such as pentachloronitrobenzene. Specified carriers are high-boiling oils, e.g. petroleum oils, oils of vegetable origin such as castor oil &c., lowerboiling solvents with a flash point of at least 30 DEG  C., such as carbon tetrachloride, ethylene dichloride, acetylene tetrachloride, hydrogenated naphthalene, alkylated naphthalene and solvent naphtha.  Petroleum spray oils boiling in the range 275 DEG to 575 DEG F. or 575 DEG  to 1000 DEG  F. and having an unsulphonatable residue of at least 75%, or a mixture of these two types of oil, xylene, tricalcium phosphate, precipitated chalk, bentonite, kaolin, and kieselguhr.
Patent GB-861894-A (GB)
Title: Improvements in and relating to laminated pole shoes
IPC: H02K1/27
Filed: 1959-03-06
Abstract: 861,894. Core constructions. GLOBEUNION Inc. March 6, 1959 [March 7, 1958], No. 7888/59. Class 35. Laminations, e.g. for association with a permanent magnet in a flywheel magneto, are formed with a circular projection 18 on one side and a recess 20 of identical size on the other so that a stack may be built up by pressing the projection of each lamination into the recess of its neighbour. A tool 22 to do this is shaped to press on the bottom of the recess as well as on the upper surface of the lamination. The first lamination of each stack has a hole 16 instead of a recess so that the completed stack has no projections. Further holes (14, Fig. 1, not shown) in every lamination receive locating- pins in a die-casting machine used to incorporate the laminations in a fly-wheel housing.
Patent GB-254012-A (GB)
Title: Manufacture of stable aqueous emulsion
IPC: D21J1/08
Filed: 1925-03-25
Abstract: 254,012. Braun, C. A., and Hay. G. S. March 25, 1925. Emulsions, making. - Emulsions having a slightly alkaline aqueous phase are prepared with the use as emulsifying agent of a small proportion of previously prepared emulsion. The process may be continuous, the substance to be emulsified and alkaline water containing the equivalent of about 0.1 per cent of caustic soda being run with stirring into a vessel containing a small amount of previously prepared emulsion and the produced emulsion being continuously withdrawn. The invention may be applied to the preparation of bituminous emulsions suitable for use in road-making, in the manufacture of coal briquettes, and in preserving or impregnating stone, wood, metal, concrete, felt, &c. The emulsification of tar and of fatty, oily, or resinous substances also is referred to, and an example is given describing the emulsification of montan wax.
Patent GB-287147-A (GB)
Title: Process for extracting the cardio-active substance of bulbus scillae
IPC: C07G3/00
Filed: 1928-03-16
Abstract: 287,147. Chemische Fabrik vorm. Sandoz. March 16, 1927, [Convention date]. Glucosides.-The cardio-active substances are extracted from Bulbus Scillae by means of organic solvents not miscible with water in the presence of water and easily soluble salts. Small quantities of organic solvents miscible with water such as alcohol, methanol and acetone and also aromatic carboxylic acids such as benzoic and salicylic acids may be added to facilitate the extraction. Fresh bulbs may be used for the process or the preserved product obtained by grinding the bulbs with soluble salts and carefully drying at a low temperature. According to examples : (1) fresh Bulbus Scillae is finely ground together with ethyl acetate and sodium phosphate and the resulting aqueous pulp is filtered and pressed. The residue and the aqueous portion of the filtrate are extracted with ethyl acetate and the combined extracts dried with fused sodium sulphate and nearly evaporated to dryness. The residue is washed with ether. (2) fresh dried squill is ground with ammonium sulphate and dried in a vacuum at a low temperature. Water and ethyl acetate are added and the mixture extracted with ethyl acetate containing salicylic acid. The extract is evaporated to dryness, washed with ether to remove salicylic acid, and worked up as before; (3) fresh squill is ground with magnesium sulphate and dried in a vacuum. After further grinding water and chloroform are added and the extraction performed with chloroform containing methanol; (4) fresh squill is ground with water, and filtered and the filtrate saturated with ammonium sulphate. The liquid is repeatedly extracted with ethyl acetate and the extract, after treatment with anhydrous sodium sulphate is worked up as in example 1. Methyl acetate and methylethylketone are also specified as suitable solvents not miscible with water. Specification 199,400 is referred to.
Patent GB-683910-A (GB)
Title: Improvements in or relating to machines for washing clothes and like articles
IPC: D06F17/00
Filed: 1950-03-31
Abstract: 683,910. Washing-machines. LIGHTBOURNE, R. C. March 29, 1951. [March 31, 1950] No. 8121/50. Drawings to Specification. Class 138 (ii). A clothes-washing machine comprises a container element for the washing liquid, a liquid agitator element and means for imparting rotation to one of the elements so as to cause it to rotate relative to the other to perform a washing action, the means for imparting rotation to one of the elements embodying a friction clutch through which the drive is transmitted from a power source such as an electric motor, the engagement and disengagement of the clutch being manually controlled. The machine described is identical with that described in Specification 683,909 but the claims differ.
Patent GB-763633-A (GB)
Title: Improvements relating to metal sawing machines
IPC: B23Q16/00
Filed: 1954-03-22
Abstract: 763,633. Sawing PARKS & SON, Ltd., J. March 16, 1955 [March 22, 1954], No. 8269/54. Class 145 In a machine for sawing ' bars into lengths, the bar is fed along rollers 1, 7 with its end in engagement with a removable stop bar 26 on a wheeled carriage 19 until a graduated tape, 14 connected to the carriage indicates against a fixed mark 16 that the stop bar is at the required length from the saw blade 3. The endless tape 14 passes over rollers 13 at each end of the support structure for the rollers 7 and its lower run is supported by bolts 15 on uprights 12. The carriage has wheels 21 running on one horizontal roller support 9, rollers 22 running on a machined rail 10 carried by the other roller support 9 and adjustable rollers 23 engaging the side of the rail 10. Slots 27 in the carriage accommodate the square stop 26 so that it can be removed to allow a cut bar to be moved forwards. An electromagnet may be provided on the carriage for locking it in any position by remote control and the carriage may be moved to any desired position by a chain and sprocket system having a locking brake on one of the sprockets. Where a number of bars are to be cut to the same length, a hinged stop can be fixed to the rails after the correct distance has been determined for the first bar. The cut bars may be removed from the rollers 7 by one or more pusher bar means as described in Specification 756,984 [Group XXX]
Patent GB-1249782-A (GB)
Title: Devices for securing corrugated roofing elements
IPC: E04D/
Filed: 1970-02-20
Abstract: 1,249,782. Attaching corrugated roof panels to beams. LORENZO APELLANIZ. SA. 20 Feb., 1970 [3 Nov., 1969], No. 8337/70. Heading E1W. [Also in Division F2] A clamp for securing a corrugated roofing panel 12 to a flanged beam 11 comprises a bracket having ends 2, 5 to engage the flanges of the beam and an apertured central recess. 3 through which extends non-rotatable bolt 8 carrying an inverted U-shaped clamping bridge member 6. The bridge member may have projections to engage slots in the bracket member and the legs of the bridge member may be more widely spaced than the width .of the bracket member, see remaining figures, (not shown).
Patent GB-120177-A (GB)
Title: Improved Spring Mortise Bolt specially applicable for Motor Car Doors.
Inventor: MILLER GEORGE HENRY
IPC: E05C1/14
Filed: 1918-05-21
Abstract: 120,177. Muller, G. H. Jan 17, 1918. [Convention date]. Latches, sliding.-A spring-pressed bolt adapted to be mortised in a motor-car door is arranged to snap behind the inclined part of a fixed fitting when the door is closed, and is released by a lever. The bolt is acted on by a spring retained in the casing 3 and adjusted by a screwed plug 6. A pin 9 on the bolt engages a slot 7 in the casing 3 and a slot 20 in the lever 19. The fixed catch fitting may be shaped to the bolt at the rear of its inclined part 14.
Patent GB-570586-A (GB)
Title: Improvements in or relating to internal combustion engines of the free piston type
IPC: F02B71/00
Filed: 1943-05-27
Abstract: 570,586. Free-piston engines. SULZER FRERES SOC. ANON. May 27, 1943, No. 8476. Convention date, May 28, 1942. [Classes 7 (i) and 7 (ii)] An internal-combustion engine of the freepiston type having two pipes 14, 15 directing scavenging air from compressor cylinders 2, 3 to opposed points on the working cylinder adjacent the scavenge ports 16 has means such as non- return valves 21. to prevent flow from one supply pipe to the other. The cylinders 2, 3 have suction and delivery valves 10, 11 respectively and compressed air is delivered to collecting chambers 12, 13 and thence to the pipes 14, 15. Exhaust gases pass from ports 18 to a container 20. To prevent oscillation of the air column in the pipes 14, 15, the volume of each collecting chamber may be a multiple of the volume swept by the working cylinder pistons 6, 7. Also the cross-section of pipes 14, 15 is preferably equal to or less than that of the cylinder 1. In a modification to prevent flow between the pipes 14, 15, the space 22 around the inlet ports is subdivided by a partition wall. In another modification, Fig. 4, the scavenging air pipes 14, 15 are connected directly to the compressor cylinders and non- return valves 28 are arranged at the junction of these pipes with an inlet pipe 27. Throttling nozzles 29 may be arranged in the pipes 14, 15 to damp oscillations and prevent back flow into the pipes.
Patent GB-179382-A (GB)
Title: Improvements in nut-forging machines
IPC: B21K1/68
Filed: 1921-03-18
Abstract: 179,382. Franz, M., and Haworth, J. P. March 18, 1921. Forging nuts ; dies.-Nut blanks are partly cut off from a heated round rod by dies and each is severed in turn by an axial punch which forces the metal from it into the preceding blank to cause it to expand and fill the die. The rod 12 is fed by a slide 25 and grippers 26 operated by a toggle 23 and link-work 21, 20, 19, 18 from one of the slides 16, Fig. 2, reciprocated by eccentrics 17<a>, and while stationary is enclosed by a pair of dies 27 operated by cam-grooves 15 in the slides 16 and pierced by a punch 5 carried by a crankoperated slide 4. The dies have three pairs of blades a, b, c, Fig. 4, of which a score the rod and commences to form the faces, b at the next operation deepen the incisions formed, and at the next operation the blades c, which do not cut so deeply as b, finish the faces and co-operate with the punch to sever the blank g. The metal removed from the blank is forced into the next blank, causing it to fill completely the corners of the die cavity f. The punch has a guide-block 6, which has a slight free movement relatively thereto, so that during piercing it closes the die as shown in Fig. 4, and during the return it engages a fixed stop 9 and strips the blank which falls into a receptacle. A cooling- chamber 29 may be used to prevent over-heating of the machine.
Patent GB-411628-A (GB)
Title: Improvements in or relating to automatic volume control in electrical signalling systems
IPC: H03G3/20
Filed: 1933-03-21
Abstract: 411,628. Valve amplifying circuits. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London, and FAIRBAIRN, E. P., c /o General Electric Co., Stoke, Coventry. March 21, 1933, No. 8502. Drawings to Specification. [Class 40 (v).] The D.C. potential developed across a resistance in the common anode circuit of a pair of push-push connected valves is used for automatic volume control.
Patent GB-808134-A (GB)
Title: Improved appliance for use in playing a card game
IPC: A63F1/06
Filed: 1956-03-19
Abstract: 808,134. Holders for playing cards. XAVIER, R. A. March 19, 1957 [March 19. 1956], No. 8514/56. Class 132(2) A card holder, for use in playing "Canasta". consists of a tray like part rotatably mounted on a base 2 and having two pack-receiving open-top compartments 9, 10, the former having an open end to allow easy extraction of a card and the latter having an opening 12 in its side wall to accommodate a card disposed transversely of the compartment. Both compartments have gaps 14 in the end walls and finger gaps 13 in the base for extracting all cards. According to the Provisional Specification, compartment 9 can be open at its side.