baber/WOPTO huggingface dataset:
Patent GB-859478-A (GB)
Title: Improvements in or relating to organolead compounds
IPC: C07F7/24
Filed: 1958-02-25
Abstract: A lead organo acid salt is reacted in the presence of an ether, with an organometallic compound of a metal having an electrode potential of more than 0,3 volts and capable of forming stable organo-metallic compounds.  Any ether, aromatic or aliphatic may be used, but polyethers such as the dimethyl ether of diethylene glycol and the dimethyl ether of ethylene glycol are preferred.  A hydrocarbon diluent (benzene, toluene, xylene, the nonanes, octadecanes and hexanes and mixed hydrocarbons such as gasoline, diesel oil and gasoline fractions) may also be employed together with the ether.  A list of suitable organic derivatives of sodium, lithium, beryllium, magnesium, zinc, calcium, aluminium, indium and boron (which is considered to be a metal for the purposes of this invention) is given.  The lead organo acid salts are those of the parent Specification.
Patent GB-683967-A (GB)
Title: Improvements in or relating to hoists
Inventor: KING HENRY WALTER MAYER
IPC: B66D3/26
Filed: 1950-03-10
Abstract: 683,967. Pulley-hoists. KING, Ltd., G. W. Feb. 6. 1951. [March 10, 1950] No. 6089/50. Class 78 (v). In hoists of the kind in which the hoisting chain passes over a sprocket and guards pivoted to the block bear on the chain where it passes around the sprocket, displacement of either guard from its operative position is arranged to cut off or reverse the drive by the action of linkage mechanisms, including lost motion devices, on a switch. The guards 17, Fig. 3, are held in contact with the chain 18 by springs 19. The guards have a pin-and-slot connection with links 20, 21 which are pivoted to arms 23 22 (not shown) projecting from the actuating shaft 24 of the controlling unit of the motor. When a limit attachment mounted on the chain comes into contact with either guard, the shaft 24 will be rotated to stop the motor. If the chain continues to travel after the motor has been switched off, the further movement of the guard causes a further rotation of the shaft 24 sufficient to cause the switch in the controller to be actuated to reverse the motor. A doublearmed lever 26 on the shaft 24 carries a pin 27 which engages a slot 28 in a link 29. This link is fixed to a shaft 30, Fig. 1, having a cam 31 associated therewith which controls the operation of a pair of brake shoes 32. These shoes act on a drum 33 on the shaft 14 of the sprocket 15. Specification 557,040 is referred to.
Patent GB-1291707-A (GB)
Title: Improvements in or relating to the knitting of tubular fabric
Inventor: PERKINS CHARLES WILLIN
IPC: D04B17/00
Filed: 1969-02-05
Abstract: 1291707 Knitting - machines HOSIERY EQUIPMENT Ltd 5 Jan 1970 [5 Feb 1969] 6127/69 Heading D1C Articles knitted in succession on a circular knitting machine and connected to one another by weak joining threads are separated by gripping the tubular fabric on either side of the joining thread and then deflecting the fabric between the gripping positions. Takedown rollers 15 are mounted on a rotary ring 13 carried on a fixed ring 12 supported by a bracket beneath a circular knitting machine. Mounted beneath the take-down, is a framework 20 with top and bottom plates 21, 22 having openings 23, 24 aligned with the vertical line of delivery of the knitted socks and with the funnel shaped inlet 26 of the discharge tube 27, 28. Air is blown into pipe 28 to create suction. A pusher head 30 has a smooth fabric engaging surface 32 and carries a V-shaped transparent plastics shield part 31. Face 32 is convex in elevation and concave in plan. Head 30 is carried on the piston rod 33 of a double-acting pneumatic cylinder 34. When head 30 is moved to operative position projections 35, 36 thereon release levers 37, 38 pivoted to plates 21, 22 which release tags 41, 42 on pivoted flaps 43, 44 and allow the latter to be moved by springs to close openings 23, 24 to grip the fabric extending therethrough while it is engaged by surface 32. The cylinder 34 is actuated, when required, by a stud on the pattern chain of the machine when the joining thread between two socks hangs in funnel 26.
Patent GB-678136-A (GB)
Title: Improvements in phonographs
IPC: G11B3/10
Filed: 1951-03-15
Abstract: 678,136. Automatic gramophones. INDUSTRIAKTIEBOLAG LUXOR. March 15, 1951. [March 28, 1950] No. 6279/51. Class 40 (ii). In order to position the needle 4 in the correct initial playing position, the tone arm 1 has a movable holder 3 carrying the needle and a support member, for holding the needle off the record, either in the form of a sledge or runner or, as shown, a roller 7. After playing a record, the tone arm is raised and swung outwardly. During this movement, the holder 3 swings downwardly about a pivot 2, due to its weight, and a pin 9 on the tone arm, which pin engages a slot 8 in a lever 6 pivoted at 5 to the holder 3, causes the lever 6 to pivot to the position shown in Fig. 1 with the roller 7 below the needle 4. The tone arm is lowered onto either the same record or a fresh one supplied from a stack, and is then moved outwardly either by the roller 7 or by the driving mechanism of the gramophone, until the roller drops off the edge of the record. The distance between the roller and the needle is so arranged that the needle is now in its correct initial playing position. Due to the engagement of the needle with the record, the holder 3 is moved upwardly and consequently the pin 9 causes the lever 6 to move to the position shown in Fig. 2, with the roller above the needle. In a modification, the holder 3 instead of being pivotally mounted may move vertically in guides, and the lever 6 may be pivotally mounted on the tone arm, the pin and slot connection being made between the lever and the holder 3.
Patent GB-766767-A (GB)
Title: Carbon-pile controller with built-in snap-action switch
IPC: H01C10/12
Filed: 1955-03-03
Abstract: 766,767. Compression resistances. SINGER MANUFACTURING CO. March 3, 1955 [March 23, 1954], No. 6293/55. Class 37. A carbon compression rheostat or controller, particularly for motors driving sewing machines, is provided with a " snap-action " switch which prevents arcing between the carbon discs and the consequent interference in radio and television reception. The switch is operated by depression of a plunger 38, Fig. 1, which, through toggle member 29, moves a rod 20 to the left thus increasing the pressure exerted on the parallely disposed carbon disc piles 16 by a leaf spring 19. Simultaneously the movement of an insulated button 63 on the rod 20, also to the left, allows the limbs 56, 57 of a spring element to flex from the full line to the dotted position shown in Fig. 8, so that contacts 51 and 61 are closed energizing the motor circuit. Further movement to the left of rod 20 causes a progressive compression of the carbon resistances which are finally short-circuited by the element 23 bridging the fingers 64.
Patent GB-196763-A (GB)
Title: Improvements in or attachable to spark-plugs
IPC: H01T13/46
Filed: 1922-03-03
Abstract: 196,763. Varvel, S. Le F., and Rofe, T. E. March 3, 1922. Sparking-plugs.-A smaller spark-gap is used at starting than during normal running; the change being effected automatically by providing an additional terminal 10 or making one of the usual terminals of metal or a combination of metals having a relatively high coefficient of expansion. Such an additional electrode may be secured to the plug casing by screwing. Where an additional terminal is not used the size of the gap may be limited by a set-screw carried by a strip depending from the casing.
Patent GB-706661-A (GB)
Title: Indan compounds
Filed: 1952-03-11
Abstract: The invention comprises 2-diphenylacetyl -1:3-indandione of the formula <FORM:0706661/IV (b)/1> and non-toxic metal salts thereof. The compound may be prepared by condensing a dialkyl phthalate and diphenyl acetone in an inert solvent in the presence of an alkali metal alkoxide or by reacting the sodium derivative of 1:3 indandione with diphenyl acetyl chloride in an inert solvent.  In examples (1) dimethyl phthalate is reacted with diphenylacetone in the presence of sodium methoxide in benzene to give diphenylacetyl-1:3 indandione and (2) the product of (1) is dissolved in alcohol and neutralised by sodium hydroxide in water to give a solution of the sodiom salt which may be evaporated in the presence of dextrose to give a syrupy concentrate.ALSO:Anti-coagulant therapeutic compounds comprise 2-diphenylacetyl-1:3-iridandione of the formula <FORM:0706661/VI/1> and its non-toxic metal salts (see Group IV(b).  Specified salts are the sodium, potassium and calcium salts.  In an example 2-diphenylacetyl-1:3-iridandione dissolved in ethanol is neutralized with aqueous sodium hydroxide and the solution is concentrated under reduced pressure with the addition of dextrose to give a syrup which may be diluted with water to a desired concentration.
Patent GB-1138587-A (GB)
Title: Improvements in or relating to photographic material
Inventor: WILLEMS JOZEF FRANS
IPC: G03C8/06
Filed: 1966-02-14
Abstract: 1,138,587. Bis-dihydro-triazolethiones. GEVAERT-AGFA N.V. 10 Feb., 1967 [14 Feb., 1966], No. 6332/66. Heading C2C. [Also in Division G2] 5,5<SP>1 </SP>- bis - 1,2,4 - Triazoline - 3 - thiones are disclosed having the formula where R and R 1  is each H, alkyl, aryl, or a heterocyclic radical but at least one of R and R 1  is H; and A is a chemical bond or an organic bivalent radical. The bivalent radical may be a substituted or unsubstituted alkylene, arylene, aralkylene, cycloalkylene or bivalent heterocyclic radical. The compounds are prepared by boiling 1 mole of a thiosemicarbazide with 0À5 mole of a dicarboxylic acid ester in a sodium methanolate soln. prepared from 11. of methanol and 1 mole of Na. The filtrate of the reaction is acidified with CH 3 COOH and the product ppt. filtered off and recrystallized from H 2 O or EtOH. When unsaturated acid esters are used, the product contains an alkoxy group(s) in A which depends on the alcoholic medium used. A list of products and their starting esters is given.
Patent GB-139780-A (GB)
Title: Improvements relating to combined lighting & ignition dynamo electric machines
IPC: H02K16/00
Filed: 1920-03-02
Abstract: 139,780. FÚrat, E. T. Feb. 6, 1918, [Convention date]. Machines with two or more armatures; magneto-electric machines; inductor machines. - In combined lighting and ignition apparatus for automobiles &c., the dynamo and the magneto have a common shaft. Figs. 1 and 2 illustrate one method of carrying out the invention. The pole-piece 1 is formed integral with the sleeve 2 carrying the commutator 3 and the pole-piece 4 is pressed on the shact 5 and has an extension 6, constituting the actuating cam of the contact-breaker. The winding 7 creates the magneto flux either by connexion to an external source or by connexion to one of the commutator segments. The core of the ignition armature 12 is supported by the laminated pole-pieces 10 and 11, the secondary winding being connected to the distributing device 16 by the conductor 17, and the contact terminal 20. In the modification shown in Fig. 3, the winding 22 is mounted on an extension 23 of the bearing housing 24, and the rotating pole 25 is formed integral with the commutator housing, the other pole 26 being mounted on the bronze sleeve 27. Permanent magnets may be employed to reinforce the energized windings 7, 22, and the polar system may have the form of a Siemens armature.
Patent GB-312956-A (GB)
Title: Improvements in or relating to machines, applicable for use in the manufacture or repair of boots and shoes, for the insertion of metallic or other fasteners
IPC: A43D69/02
Filed: 1928-03-01
Abstract: 312,956. British United Shoe Machinery Co., Ltd., and Roberts, W. T. B. March 1, 1928. Sewing-machines; stopping gear, automatic.- A metallic or other fastener-inserting machine which includes a work-penetrating member which is raised from the work when the machine is at rest at the end of a cycle of operations, is provided with means for moving the member to work-penetrating position while the machine is at rest and automatically restoring it to normal operation when the machine is started. As shown applied to a loose-nailing machine of the general type described in Specification 1494/93, [Class 89, Nails &c.], and 265,298, [Class 89 (iii), Nailing &c.], the usual awl-lowering bar 12 is not operated directly by the rock-shaft 10, but is secured to a sleeve 18 fast on the shaft 10 and releasably clutched to a sleeve 16 loose on the shaft 10 and secured to the usual awl-operating lever 14. The sleeves are clutched by a spring- pressed bolt 20 engaging a socket 22, and a stud 24 on the sleeve 18 enters an arcuate slot 25 in the sleeve 16 and is acted on by a compression spring 26. A wedge 28 at the end of the bolt 20 is in engagement with a hand-lever 32 pivoted to the frame. To lower the awl when the machine is at rest, the lever 32 is forced in, so that the wedge 28 withdraws the bolt 20. The spring 26 is then free to rotate the sleeve 18 and shaft 10. This rotation is aided by the lever 32 engaging a surface 34 on the bolt 20. When the machine is restarted, the socket 22 at once comes opposite the bolt 20, and the latter is moved by its spring 21, the lever 32 having been released. The drive between the sleeves 16 and 18, when the machine is running, is preferably a positive one through interengaging lugs. In a modification, the awl is lowered, with the machine at rest, by a connection between the bolt 20 and a work-supporting member. In this arrangement, the work-support is first lowered, and a further depression of the horn treadle then withdraws the bolt 20, allowing the sleeve 18 to turn. In the case of loosenailing machines where a nail-separator is controlled by the awl bar, a spring is preferably arranged at the end of the nail raceway to hold back the nails when the awl is lowered, as described, by hand. Specification 14539/08, [Class 17, Boots &c.], also is referred to.
Patent GB-415486-A (GB)
Title: Improvements relating to handles for hollow-ware and the like
IPC: A47J45/06
Filed: 1933-03-03
Abstract: 415,486. Saucepan &c. handles. STEVENS, J., and STEVENS, Ltd., J., Brierley Hill, Staffordshire. March 3, 1933, No. 6495. [Class 66.] A handle for hollow-ware &c. and made from a sheet metal blank a having near one end a pair of inclined slits f which extend from the opposite longitudinal edges of the blank, the blank being rolled to form the handle whereupon a portion at the end of the blank, separated from the handle by the slits f, is bent down to form an attachment piece d, is secured to the article by welding, riveting or otherwise securing thereto the piece d and a lug formed by projections e on the blank, the lug being disposed in an aperture in the piece d, and lying, at least in part, in the plane thereof. A tongue i may be provided to engage in the bead at the upper edge of a saucepan &c. j.
Patent GB-1425142-A (GB)
Title: Antenna system for radiating multiple planar beams
IPC: H01Q19/06
Filed: 1974-02-13
Abstract: 1425142 Aerials HAZELTINE CORP 13 Feb 1974 [3 April 1973] 6505/74 Heading H4A An aerial system comprises focusing means for converting an incident spherical wave into a cylindrical wave said means having a radiating surface with a focal axis and means for illuminating said focusing means with a number of wave energy patterns, having respective phase centres located at different but adjacent points near a point on said focal axis, said adjacent points being angularly displaced from each other with respect to the centre of the focusing device when viewed in the direction of said focal axis. When the focusing means is illuminated by any one of said patterns, a corresponding planar beam will be radiated in a direction which, as observed in a plane perpendicular to said focal axis, is unique to that beam. Furthermore, the radiation angle in the plane of the beam is equal to the angle subtended at the said point on the focal axis of the focusing means by the axial length thereof. As described, a parabolic cylindrical reflector 10, Fig. 1, has a focal axis 12 and an axial length 13 which subtends an angle 14 at a point 15 on said focal axis. Three feedhorns 11a, 11b, 11c are located in the vicinity of the point 15 and have components of angular displacement 16 from each other in a plane 17, which is perpendicular to the focal axis 12, when viewed from the centre 18 of the reflector 10. Each feedhorn in association with the reflector produces a planar beam which has an angular width substantially equal to 14, and which has a direction which is unique to that feedhorn when measured in the plane 17. The feedhorns may be excited sequentially, for scanning, or they may be excited simultaneously. The reflector 10 may have a circular cylindrical surface instead of a parabolic cylindrical surface, and in another embodiment it may be replaced by an array structure of the "bootlace" type. Said array structure may be arranged either for reflection or for transmission. In the case of a transmissive structure each array element comprises a receptor facing the feedhorns, an intermediate phase shifting means, and an emitter facing outwardly (Fig. 4, not shown). In a third embodiment, a cylindrical Luneberg lens 22, Fig. 3, is used, and the feedhorns are disposed on the surface thereof in the vicinity of a point on a particular focal axis 12<SP>1</SP>. An axial length 13<SP>1</SP> opposite the focal axis 12<SP>1</SP> subtends an angle at said point which is substantially equal to the angular width of the radiated beams.
Patent GB-569917-A (GB)
Title: Improvements in or relating to flooring
IPC: C04B28/04
Filed: 1943-04-22
Abstract: A jointless floor comprising cement and sawdust is prepared by employing means for preventing the failure to set and develop strength, mixing a small proportion of a neutral aggregate with the cement and sawdust, and preparing and laying the composition in such a way as to ensure adhesion to the base.  If the sawdust is one that has little adverse affect on cement, such as a soft wood sawdust not containing a high proportion of larch or Douglas fir, hydrated lime, from 1/2 to 1/3 of the volume of cement, is added; if a hardwood sawdust is used, it is first treated by boiling with ferrous sulphate as described in Specification 560,801.  The proportions of cement, sand and sawdust in the mix are between 1:1:2 to 1:2:1 by volume, preferably 1:1:2 to 1:1 1/2 :1\ba1/2 .  In mixing, water is added in amount approximately equal to 40-45 per cent of the weight of cement plus 150 per cent of the weight of sawdust.  If the composition is to be laid on a concrete foundation, the surface is cleaned, hacked and brushed to remove the surface skin and, if space is available, a cement-sand screed is applied; alternatively, a cement slurry is brushed into the concrete.  The composition is laid immediately on to the screed or slurry.  For application to a wooden floor, wire netting is first stapled down. After hardening and drying, the composition is wax polished or impregnated with linseed oil and white spirit, and different surface textures can be obtained by buffing.
Patent GB-498781-A (GB)
Title: New or improved appliances for playing board games
IPC: A63F7/40
Filed: 1938-03-02
Abstract: 498,781. Table games. PARKER, J. O. M. March 2, 1938, No. 6521. Drawings to Specification. [Class 132 (ii)] In a table for use in playing games and of the kind provided with obstacle pins and with cups, holes, goals or enclosures into which balls or other playing pieces are directed by tilting the table, the table is also provided with a number of wedge-shaped barriers over which the playing pieces may be required to pass in order to enter or leave enclosures formed by the barriers.
Patent GB-115425-A (GB)
Title: Improved Process and Apparatus for the Manufacture of Hydrofluoric Acid.
IPC: A45D40/00
Filed: 1918-04-17
Abstract: 115,425. Ridoni, E., and Soc. Talco e Grafiti Val Chisone. April 19,. 1917, [Convention date]. Hydrofluoric acid.-The manufacture of hydrofluoric acid from calcium fluoride and sulphuric acid is effected with the reaction mixture in thin layers and the residues are dried and freed from acid fumes under reduced pressure. The apparatus described comprises a row of retorts 2 each set in a chamber 1 communicating with a flue 7. The retorts are of small depth, and are each provided with an inlet pipe 14 for sulphuric acid, a door 3, and an outlet pipe 11 communicating with a common pipe 9 in which is a fan for creating a suction within the retorts at the end of the reaction so as to prevent the residual calcium sulphate containing hydrofluoric acid or vapours of sulphuric acid.
Patent GB-1133241-A (GB)
Title: Emergency release for plow frame
Inventor: STROM TORSTEN ERIK THEODOR
IPC: A01B61/04
Filed: 1966-02-15
Abstract: 1,133,241. Agricultural implements. INTERNATIONAL HARVESTER CO. 15 Feb., 1966, No. 6538/66. Heading A1B. A plough is provided with an upstanding pivotable attachment 4 for the attachment of the upper link of a tractor three point linkage and a telescopic strut 6 is provided to allow the plough to pivot rearwardly on hitting an obstruction. The strut 6 comprises a single upper member 10 which slides between two lower members 14, 15 when the lower members are forced apart by a roller 24 carried by the upper member 10, the two lower members being spring-urged together by an adjustable spring 17.
Patent GB-105988-A (GB)
Title: An Improved Safety Razor.
Inventor: PRESTON CHARLES WILLIAM
IPC: B26B21/10
Filed: 1916-05-08
Abstract: 105,988. Preston, C. W. May 8, 1916. Razors, safety. The blade of a, safety razor is held between a handle or base portion A, Fig. 3, and a guard D by angled studs B on the base portion, which pass through holes in the blade and guard, a cam C being turned to move the guard so that it wedges under the heads of the studs. In another construction, the pegs B, Fig. 9, are slotted to receive a wedge H for locking the parts. In a still further construction, the centre stud F, Fig. 11, is threaded to receive a nut G, the three studs passing through simple perforations in the blade and guard.