baber/WOPTO huggingface dataset:
Patent GB-337884-A (GB)
Title: Carburetors
IPC: F02M1/00
Filed: 1929-09-05
Abstract: 337,884. Sills, O. Sept. 5, 1929. Spray carburettors.- A casting 10 enclosing a number of fuel nozzles 26 has an air inlet 13 controlled by a valve 63, and has secured thereto by screws 14 another casting 11 forming a float chamber. Within the casting 10 are two shoulders 17, 17<1> in which vertical bores 19, 21 and 22, 24 respectively are formed. Inserted in each bore is a depending tube 25 which surrounds each nozzle 26. The nozzles are formed at their upper ends with a constriction 28 adapted to be controlled by a needle valve 27 secured to an adjustable cap 30. The nozzles in opposite pairs of bores such as 20, 23 communicate with each other and with the float chamber through passages such as 31. Throttle valves 40, 55, 56 in the bores 19, 20, 21 are mounted on a shaft 39, Fig. 2, which is actuated through an arm 38, and is connected through gearing 37, 36, 35. Figs. 1 and 2, to the spindle 33 of the main throttle 32'. The arm 38 is flexibly connected, e.g. through a chain 41, Fig. 1, to an ann 42 on a short spindle 45, Fig. 6, carrying a throttle disc 46 in the bore 22, the arm 42 being maintained normally against a stop 43 by a spring 44. The bore 24 is provided with a throttle, disc 47 on a short spindle 48, Fig. 6, an arm 49 on which is normally maintained against a stop by a spring 51, and is connected through a slack chain 52 to an arm 53 on the throttle shaft 33. Discs 54<1> on shaft 39 isolate the bores one from another and prevent leakage. The bores 21, 20, 19 are of decreasing diameter, and the transverse bore accommodating the throttles 40. 55, 56 is larger than the bore 21 so that the bores will be opened up in succession as the shaft 39 is rotated. At certain points in the opening movement the chains 41, 52 become taut and the disc valves 46, 47 are opened. A float 65, Fig. 3, rotates a shaft 67, Fig. 7, which is screw-threaded into an adjustable member 69 and bears against a spring-loaded plunger 72 carrying a needle valve 73, controlling the fuel inlet 74. The part 69 may be adjusted coarsely by rotating a cap 79 and more delicately by rotating a screwed ring 80. The float may be agitated to flood the carburettor by a plunger 86. Between the shoulders 17, 17<1>, Fig. 3, is mounted a frame 90 forming a seat for a valve 92 mounted on a spindle 93 an arm 94, Fig. 1, on which is loaded by an adjustable spring 95. The valve 92 is adapted to close when engine, speed is reduced by an increased load, all air then passing through the tubes 25 and around the nozzles.
Patent GB-1528314-A (GB)
Title: Spark plug
IPC: H01T13/20
Filed: 1977-06-28
Abstract: 1528314 Spark-plug CHAMPION SPARK PLUGS CO 28 June 1977 [1 July 1976] 27035/77 Heading FIB In a spark-plug having an auxiliary spark gap within a bore 21 of the plug insulator 12, an electrically conductive ball 30 is seated on a step 31 in the bore and defines one side of the auxiliary gap and a suppressor 29 is positioned within the bore. The suppressor may comprise a resistor or a relatively low resistance inductor. The spring 28 can be positioned between the suppressor 29 and the ball 30.
Patent GB-260617-A (GB)
Title: Improvements in or relating to addressing and like printing machines
IPC: B41L47/46
Filed: 1926-10-29
Abstract: 260,617. Adrema Maschinenbauges. Oct. 30, 1925, [Convention date]. Addressing-machines. - In addressing-machines of the kind wherein address-plates 4, Fig. 1, from a hopper 3 are advanced in succession to printing position below a platen mounted on the end of a rocking lever 7. the platen is in the form of a sector 9, Figs. 2 and 6. which is rolled over the address-plate, A slot 25 in the end of the lever 7 receives a spindle 23 on which the platen 9 is pivotally mounted, and a rack 35 iormed on the lever 7 causes the platen to be rocked through the intermediary of gears 31, 32, 34, 36 when the spindle 23 is moved along the slot. This movement is effected when the lever 7 is stationary and the slot is horizontal, the spindle 23 being reciprocated and the lever 7 rocked by means of separate cams 16, 15 which are rotated from a driving-shalt 13 through a clutch 17. The platen 9 may have a rubber impression surface 27 out away or provided with suitable slots to avoid printing from corresponding parts of the address plates.
Patent GB-720354-A (GB)
Title: Improved dairy wax composition
Inventor: BAILLY RANDOLPH MORRIS
IPC: C08L91/08
Filed: 1952-10-29
Abstract: A wax composition comprises a major proportion of a refined paraffin wax, with a boiling spread between the 5 per cent and 95 per cent points not greater than 90 DEG  F. at 10 mm. pressure, and a microcrystalline wax and/or polyethylene of molecular weight between 4000 and 22,000.  The microcrystalline wax used is a residual type petroleum wax having a melting point of above 145 DEG  F. and an oil content of 1-10 per cent by weight.  The refined paraffin wax may be prepared from a wax distillate by a plate-and-frame pressing operation or by solvent dewaxing with, for example, methyl ethyl ketone and toluene, followed by sweating or solvent deoiling. Specifications 640,476, 642,441 and 642,442 are referred to.ALSO:A wax composition comprises a major proportion of a refined paraffin wax, with a boiling spread between the 5 per cent. and 95 per cent. points not greater than 90 DEG  F. at 10 mm. pressure, and a microcrystalline wax and/or polyethylene of molecular weight between 4,000 and 22,000.  The microcrystalline wax used is a residual type petroleum wax having a melting point of above 145 DEG  F. and an oil content of 1-10 per cent. by weight.  The refined paraffin wax may be prepared from a wax distillate by a plate and frame pressing operation or by solvent dewaxing, with, for example, methyl ethyl ketone and toluene, followed by sweating or solvent deoiling. Specifications 640,476, 642,441 and 642,442, [all in Group IV (a)], are referred to.
Patent GB-616739-A (GB)
Title: Improvements in and relating to release mechanisms for torpedoes, bombs and the like
IPC: B64D1/04
Filed: 1946-09-10
Abstract: 616,739. Releasing torpedoes, bombs, &c. from aircraft. BLACKBURN AIRCRAFT, Ltd., and SCOTT, A. R. Sept. 10, 1946, No. 27220. [Class 9 (ii)] Relates to gear for temporarily attaching torpedoes, bombs or other stores to the usual release means on aircraft and is particularly applicable for use with the torpedo-carrying beam described in Specification 578,623. According to the present invention, a part 11 carrying the release hook 12 is lowered about the axis 10 by means such as a screw 14 acting in a nut in the part 11 and actuated by a pair of bevel wheels 15 and a detachable handle. The hook is then engaged in a lug on the torpedo (not shown) and the hook-carrying part 11 raised so as to bring the torpedo to boar against the crutches 7, 8, 9, 4, 5. The hook-carrying part and crutches are capable of rotation about a transverse axis parallel to the axis 10 or the crutches 7, 8 may be adjusted in vertical sense.
Patent GB-189936-A (GB)
Title: Improvements relating to clips for fountain pens, pencils and the like
IPC: B43K23/00
Filed: 1921-10-15
Abstract: 189,936. Allen, A. Oct. 15, 1921. Pockets, retaining pens or pencils in.-A pen or pencil pocket clip a has at the lower end of its stem b a pivoted claw e which is pressed against the outside of the pocket by a. coiled spring d disposed around the pivotal axis of the claw. By depressing the part c of the claw, the pen or pencil can be lifted from the pocket.
Patent GB-1286212-A (GB)
Title: Baby supporters and exerciser
Inventor: NASH RONALD
IPC: A47D13/04
Filed: 1970-06-06
Abstract: 1286212 Baby bouncers R NASH 6 June 1970 27464/70 Addition to 1015096 Heading A6M The cross bar 32 of a baby bouncer having a harness 26 suspended from said crossbar 32 of a frame 9 by means of resilient suspenders 29 is provided with brackets 34 at each end, the brackets having socket members 50 into which legs 33 may be pushed, the legs being retained in the sockets by means of a friction member 54. The friction member 54 may be a hollow cylindrical element of natural or synthetic rubber which is located in transverse apertures in the legs 33 so as to project on diametrically opposite sides. The element 54 may be a close or loose fit in the apertures, and in the latter case the element is retained in place by means of a nail or staple driven transversely into the leg and extending through the element. The crossbar is secured in the brackets 34 by being located in further socket members 50 and a screw being driven transversely through the socket member 50 and into the crossbar 32. Alternatively the socket 50 and crossbar 32 may be glued together.
Patent GB-173582-A (GB)
Title: Improvements in operating gear for two co-axial shafts
IPC: B63H25/38
Filed: 1920-09-27
Abstract: 173,582. Armstrong, Whitworth, & Co., Ltd., Sir W. G., and Whiting, W. R. G. Sept. 27, 1920. Steering-gear.-Gear for operating two coaxial shafts, such as rudder shafts, jointly or relatively, comprises a quadrant on the shaft axis for joint actuation, and a slider in a radial guide on the quadrant through which passes a right and lefthand screw on which work nuts on the tiller arms for relative actuation. Keyed to the shafts A, A<1> are arms B, B<1>, to the ends of which are pivotally supported nuts J, J<1>, engaging a right and left-handed threaded spindle H. The spindle is carried by a bracket G containing a worm and worm wheel and adapted to slide in axial guides F on a free quadrant C. The worm in the casing G is actuated through gearing and a telescopic shaft K and produces relative motion of the shafts A, A<1>, and the quadrant is actuated by a pinion D and produces joint motion of these shafts.
Patent GB-533122-A (GB)
Title: Rotary internal combustion engine
IPC: F02B53/00
Filed: 1939-10-11
Abstract: 533,122. Rotary. engines. SERPAS, E. J. Oct. 11, 1939, No. 27650. [Class 110 (ii)] Pistons 28, 29, 30, 31 within a rotating casing 2 are caused to approach and recede by means of a crank-pin 74, on a stationary shaft 75, connecting-rod 83 and a .toggle pair 91, 96 which are pivoted to two rotors 45, 58 carrying the opposed pairs of pistons. The centre pin 85 of the toggle is guided in radial slots 87. Gases are admitted and exhausted by valves 139 and 175 which rotate with the casing and are operated through radial rock shafts having arms 214, 225 actuated by stationary cam surfaces on the part 237. A stationary distributer 250 contacts in turn with the plugs 41, 43 and the contactbreaker 265 is actuated by a push rod 254 when the head 255 of the latter is ridden over by the cam arms 214. A vane 272 turns the rod 254 in accordance with the flow of gas from the carburetter 116 and by means of the eccentric head 255 the ignition timing is varied. Lubricating oil is suppled from a reservor 273 through suitable ducts and a part of the system is connected to the closed spring pockets 191 of the valves to assist the flow.
Patent GB-895993-A (GB)
Title: Vinylation of mercaptans
IPC: B01J31/08
Filed: 1958-08-28
Abstract: Vinyl sulphides are prepared by reacting a mercaptan with acetylene in the presence, as catalyst, of (1) an aqueous solution of a weakly basic salt having a hydrolysis constant from 10-2 to 10-7, the solution containing dissolved therein at least 0.01 mole of weakly basic salt per mole of mercaptan, (2) an aqueous solution of ammonia or a weakly basic amine having a dissociation constant from 10-3 to 10-8, the solution containing dissolved therein at least 0.01 mole of ammonia or amine per mole of mercaptan or (3) a water-swollen amine-based anion-exchange resin having a dissociation constant from 10-3 to 10-8.  When a solution (1) or (2) is used, the amount of water present is preferably sufficient to result in formation of two phases in the product mixture.  The reaction may be effected at temperatures from 100 DEG C.-180 DEG C. and under pressures of from atmospheric up to 500 p.s.i.  Specified basic salts are sodium carbonate, trisodium phosphate, disodium hydrogen phosphate, sodium cyanide and sodium borate; specified amines include ethylamine, ethylene diamine, benzylamine, dimethylamine, triethylamine, dimethyl benzylamine, cyclohexylamine, morpholine, methyl diethanolamine and triethanolamine.  The anion-exchange resins are preferably aminolyzed cross-linked acrylic-type copolymers and chloromethylated and aminated styrene/divinyl benzene copolymers and several are described.  Examples describe the preparation of vinyl sulphides from inter alia, n-butyl mercaptan (yielding sometimes 1 : 2-bis-(butyl thio)-ethane as by-product), methyl mercaptan, 1 : 4-butane-dithiol, benzyl mercaptan, cyclohexyl mercaptan, phenoxyethyl mercaptan, tetrahydrofurfuryl mercaptan, thienyl methyl mercaptan, 2-mercapto benzothiazole, mercapto ethanol and mono-thio glycerol using aqueous solutions of NH3 or various of the above mentioned salts or amines or water-swollen anion exchangers of both the above named types. Reference is also made to the use of mercaptans containing amido groups.  Specifications 427,903 and 28544/47 as laid open to public inspection under Section 91 of the Acts 1907-1942 are referred to.
Patent GB-243518-A (GB)
Title: Improvements in and relating to gear wheels
IPC: F16H55/14
Filed: 1924-11-19
Abstract: 243,518. British Thomson-Houston Co., Ltd., Young, A. P., and Salisbury, A. G. Nov. 19, 1924. Toothed wheels. - To prevent resonance in toothed wheels, the outer gunmetal, brass, steel or other metal rim 2 is notched to engage a web 4 of synthetic moulded compound, which engages holes and knurlings formed in the metal spindle or hub 3. In the magneto distributor gear-wheel shown, holes are provided for fix. ing the distributor brush-holder.
Patent GB-1517963-A (GB)
Title: Overload preventing devices in crushers
IPC: B02C2/04
Filed: 1975-07-01
Abstract: 1517963 Gyratory crushers SVEDALA - ARBRA AB 1 July 1975 27725/75 Heading B2A A gyratory crusher has an overload protection system comprising a first cylinder 8 Fig. 1, and a piston 9 moving with the head 4 axially, a second cylinder 14 and a piston 15 movable by the action of a first pressure medium 10, the two cylinders communicating via conduit 11, a second pressure medium 20 exerting on the second piston a load which is adjustable. In one embodiment the first piston is pumped up by a pump 13. Motor overload caused e.g. by entry of tramp material into the nip 7, is sensed at 26, opening a valve 23 and closing a valve 24, permitting piston 15 and with it piston 16 to rise by relief of pressure medium 20 in upper cylinder 17. When the overload ceases, the valves are reversed and the piston 16 descends. An indicator 27 displays crusher gap width. A second embodiment Fig. 2, not shown, employs compressed air in a cylinder (19) as a preloading air spring.  A third embodiment employs weights 45a....d Fig. 3 to pre-load the system. The weights may be added by an automatic system to adjust the preload and preset the nip of the crusher.
Patent GB-809457-A (GB)
Title: Improvements in and relating to electromagnetic switches
Inventor: PETTET NORMAN FRANCIS
IPC: H01H67/22
Filed: 1955-09-29
Abstract: 809,457. Electric selectors. TELEPHONE MANUFACTURING CO. Ltd. Dec. 31, 1956 [Sept.. 29, 1955], No. 27743/55. Addition to 781,851. Class 40 (4). A bar-relay of the type in which a set of contacts is operated by a main magnet only when a finger magnet corresponding to the set of contacts is first operated to move an interference piece is characterized in that the several interference pieces are carried independently of their related finger magnet armatures. The invention is described as applied to the disclosures in Specification 781,852 and the parent Specification. The interference pieces 54, Figs. 2 and 3, are slidable on a block 51. Normally, they are in the position shown in Fig. 1 so that energization of the main magnet lifts bar 30 into the space 54a and the contact card 53 is not affected. Operation of a finger magnet 11 or 14, however, attracts its armature 44 and leaf-spring 55, projecting into a gap between projections 56a and 56b, pulls the related interference piece 54 to one side so that operation of bar 30 by the main magnet then acts on the interference piece to lift the card 53 and operate the associated contacts. Removal of contact sets. The contact sets and operating cards 53 can be removed for servicing without disturbing the operating mechanism. A projection 54d on each interference piece projects into a gap 52a or 52b of a member 52 surrounding the bar 30 so as to be held against displacement vertically except when the associated finger magnet had moved the interference piece horizontally. The contacts of the contact set may be as described in Specification 787,996, [Group XXXVIII].
Patent GB-1103712-A (GB)
Title: Direct current power supply
IPC: B23K9/067
Filed: 1965-06-30
Abstract: 1,103,712. Rectifying. HARNISCHFEGER CORPORATION. 30 June, 1965 [1 July, 1964], No. 27776/65. Heading H2F. A rectifying circuit comprises first and second output leads of which one includes an inductor, the first lead being connected to the neutral point of one or more star-connected polyphase transformer secondary winding(s), the ends of all the phases of the windings being connected to the second output lead through individual rectifiers, of which all or a majority are controlled rectifiers by means of which the output current of the circuit is varied, at least one but not all of the phases of the winding(s) having an intermediate tap connected to the second output lead through a sustaining rectifier. As shown, the ends of the phase windings 13, 14, 15 are connected to output lead 7 through rectifiers 16, 17, 32. The rectifiers 16, 17 are controllable and are shunted by sustaining rectifiers 21, 22 connected to tappings on their associated windings. In another arrangement (Fig. 3, not shown) a 2 x 3 phase transformer arrangement is provided, and sustaining diodes are connected to one only of the star-connected secondary windings.
Patent GB-1010362-A (GB)
Title: Improvements in or relating to shedded electrical insulators
Inventor: BENNETT ARTHUR
IPC: H01B17/42
Filed: 1961-08-01
Abstract: 1,010,362. Insulators. ENGLISH ELECTRIC CO. Ltd. July 31, 1962 [Aug. 1, 1961], No. 27814/61. Heading H2C. The figure shows a shedded porcelain insulator each shed of which has two annular flanges 13, 14 cantilevered from thebody portion. Flanges 14 are mounted within flanges 13 and their ends are in the same transverse plane as the ends of the upper flanges. The hollow body portion of the insulator may be tapered. The insulator may be turned from a single piece intrusion in a ceramic material.
Patent GB-533182-A (GB)
Title: Improvements in or relating to the production of an electric blasting cap
Filed: 1939-10-13
Abstract: 533,182. Electric blasting cartridges and charges. JACKSON, L. MELLERSH- (Hercules Powder Co.). Oct. 13, 1939, No. 27884. [Classes 9 (i) and 9 (ii)] An electric blasting cap includes a shell 1, a detonating charge 2, 3, a bridge-wire 12 and, about the wire, an igniting charge 4 comprising finely ground diazodinitrophenol having a particle size range of from 1 to 40 microns and mixed with a binder or with an oxidizing agent which does not decompose it. If desired a binder may be added in the latter case also. The binder is preferably a nitrated carbohydrate or gum arabic and the oxidizing agent, potassium chlorate, potassium dichromate, potassium nitrate, barium peroxide or strontium peroxide. Caps having such an igniting charge are stated to be extremely fast-firing and to be suitable for prospecting for oil or minerals by the seismograph method. The main charge 2 may be tetryl, pentaerythritol tetranitrate or a mercury fulminate-potassium chlorate mixture. Over this is a prime charge of ordinary grained diazodinitrophenol, lead azide, mercury fulminate or similar material. The shell is closed by sulphur plugs 6 and 8 and a plug 7 of waterproofing material.
Patent GB-991459-A (GB)
Title: Improvements relating to propeller flowmeters
Inventor: BROOKING ROWLAND ARTHUR
IPC: G01F1/12
Filed: 1961-08-01
Abstract: 991,459. Rotary meters. ELLIOTT (TREFOREST) Ltd. July 31, 1962 [Aug. 1, 1961], No. 27890/61. Heading F1F. A turbine type flowmeter is mounted in a pipe 1 around which an annular chamber 5 is disposed, upstream of the rotor 3. A pump 7 pumps fluid into the chamber from a point remote from and upstream of the meter, and a series of holes, or a circumferential slot, is formed in the pipe wall 6 so that the fluid may be injected radially into the pipe, causing turbulence, and hence a more nearly linear relationship between flow rate and rotor speed, at low Reynolds Numbers.
Patent GB-777252-A (GB)
Title: Improvements in belts for conveyors
IPC: B65G15/08
Filed: 1953-10-09
Abstract: 777,252. Laminates. BRITISH TYRE & RUBBER CO., Ltd., ACKERS, H., and LANCASTER, J. L. Oct. 11, 1954 [Oct. 9, 1953], No. 27907/53. Class 140. [Also in Group XXX] In a belt conveyer of the kind in which the belt is driven by means such as cables or chains which travel with and are connected to the belt, and comprises a body of rubber, polyvinyl chloride or like flexible material reinforced longitudinally and transversely with threads or fabrics in one or more plies, additional longitudinal reinforcement is provided at or near the longitudinal margins of the belt consisting of substantially inextensible wires, tapes, cords or like elements. In Fig. 2, the belt consists of a core layer 10 between layers 11, 12 of woven fabric which are turned over around the edges of the layer 10, and two outer covers 14, 15 of rubber. The layer 10 consists of a central rubber body with reinforcement bands 16 at its sides of multi-stranded steel wires embedded in rubber, and outside the bands are additional fabric reinforcements or rubber insertions 17. When the belt is to be troughed, it is provided with additional reinforcement bands 18, Fig. 3, which lie along the angles between the sides and base of the trough. In another embodiment, Fig. 5, the belt consists of a rubber core 20, reinforcement layers 21, 22 and cover layers 23, 24 of rubber. Each layer 21, 22 is of woven fabric and has woven with the fabric, two bands 25 of multi-strand high-tensile wire. Fig. 6 shows another modification in which the belt consists of a rubber core 30, textile layers 31, 32, rubber covers 33, 34, and a band 36 of high tensile wires secured adjacent each edge of the cover 33, the wires being covered by a fabric layer 37 and a rubber cover 38. Specification 715,142, [Group XXX], is referred to.
Patent GB-1079830-A (GB)
Title: Welding control circuit
IPC: B23K11/25
Filed: 1966-06-22
Abstract: 1,079,830. Automatic voltage control. HUGHES AIRCRAFT CO. June 22, 1966 [June 22, 1965], No. 27943/66. Heading G3R. In a welding control circuit generally similar to that described in Specification 1, 038, 583, the supply for the electrodes 24, 26 comprises a stepdown transformer 19 and a capacitor 20 which is charged to a predetermined voltage by a source 21. Generation of a signal by the timer 10, at the commencement of a welding operation, causes a transistor 17 and a controlled rectifier 18 to become simultaneously conductive, after which the conductivity of the transistor 17 is varied by the circuits 12, 14, 16 to maintain the voltage between the electrodes 24, 26 at a predetermined value for the duration of the preset time determined by the timer 10. Circuits 10, 12, 14, 16 are similar to those described in Specification 1, 038, 583, with the addition of conventional components to control members 17, 18 Fig. 2 (not shown). A typical welding operation is described, Fig.3 (not shown).