baber/WOPTO huggingface dataset:
Patent GB-537207-A (GB)
Title: Improvements in or relating to photographic cameras
IPC: G03B17/42
Filed: 1940-08-08
Abstract: 537,207. Roll-film cameras. KODAK, Ltd. Aug. 8, 1940, No. 12739. Convention date, Aug. 12, 1939. [Class 98 (i)] Means for ensuring alternate operation of the shutter-release and the film wind of a rollfilm camera comprise a lever 20 pivotally and slidably mounted on the camera body and having a pawl 22 adapted to pass through a slot 37 in an annular member 36 loosely mounted on the film winding spindle 17 and to engage a ratchet 23 to lock the spindle when the film is fully wound, as in Fig. 2. Operation of the shutter release 39 turns the lever about its pivot 18 and so releases the pawl 22 from the ratchet and the slot 37, whereupon means such as a spring 24 causes the lever to slide over the pivot 18 to move the pawl out of registry with the slot and to cause a lug 42 on the lever to engage the release to prevent a second operation, as shown in Fig. 3. On winding the film, the annular member 36 is rotated by a gear 30 driven from a film-measuring wheel until the lug 22 falls into the slot 37. A slight further rotation causes the edge of the slot to push the lever 20 back to the position shown in Fig. 2, the film wind being now locked and the shutter release 39 free. The rocking movement of the lever 20 is produced by the engagement of the chamfered lower edge of a collar 40 on the release button with an inclined lug 44 on the lever.
Patent GB-180186-A (GB)
Title: Improvements in sprayers for agricultural and like purposes
IPC: A01M9/00
Filed: 1921-05-04
Abstract: 180,186. Robinson Bros., Ltd., and Robinson, H. W. May 4, 1921. Powder distributors.-A machine for powdering hops &c. comprises a narrow wheeled frame, a hopper, a rotary agitator in the hopper, a rotary brush for feeding the powder from the hopper, a blower, and adjustable distributing-tubes arranged around the periphery of a shallow cylindrical distributing-box. The narrow rectangular frame a, Fig. 1, is made of pressed steel and is carried by two wheels b, the axle of which is mounted in brackets c. The draught shafts e fit into hollow castings d cranked upwardly and outwardly from the frame a. The agitator in the hopper f consists of two blades fixed to a shaft g. The powder passes down a tapering shoot and is discharged by a rotary brush into a passage k leading from the housing l<1> of a centrifugal fan to the distributing-box q. The fan is driven from the axle at a high speed through a clutch and gearing enclosed in a, casing m. The brush and agitator are driven from a countershaft p<2> by chain gearing. The shallow cylindrical distributing-box shown in Fig. 5 is provided with projecting tubular bosses r forming connections for flexible metallic distributing pipes s. Any one or more of the bosses may be shut off by rotating a central spindle by means of a pinion t' and a segmental rack t<2> adapted to be rocked by means of a hand-lever t<3> near the driver's seat, the central spindle carrying a segmental shutter or valve t. A curved baffle u is fixed in the distributing box. The flexible pipes s are supported by clips x, x<1> adjustably mounted on a frame consisting of double vertical members v connected by a perforated arched member v<1> and by vertically perforated cross-bars. Fig. 6 shows another arrangement of distributing box and pipes. Baffle members 1 may be formed as a single unit removably fixed in the cylindrical box q. Side tubes s are connected to projecting tubular bosses r and are supported as previously described. Three other tubes 7, 8, 9 having inclined funnelshaped ends 10, 11, 12 are mounted on a rotatable member 6 so that they may be turned into either of the two positions shown. The member 6 turns on a central rigid tube 3 fitting into the tube 8 and interengages with a corresponding member 5 fixed on the tube 3 and on two outer tubes 2, 4 which lead into the tubes 7, 9. The member 6 is provided with a handle 13.
Patent GB-457589-A (GB)
Title: Magazine pencil
IPC: B43K21/16
Filed: 1936-05-06
Abstract: 457,589. Pencil holders. SCHMIEGLITZ, W., 42, Chausseestrasse, Berlin. May 6, 1936, No. 12773. [Class 146 (iii)] In a magazine pencil having a carrier tube 3 extending from an end knob 4 to the writing point and movable against the action of a spring, the tube gripping the lead 11 near the point of the pencil, there are provided in the tube a single slot 5 extending along three quarters of its length and a double slot 12 extending along the remainder of its length, and the resilient jaws 6, 7 formed by the double slot are bent outwards and each carry a small projecting rib 9, preferably pressed out of the jaw, adapted to engage the point of the pencil casing 1 whereby a strong grip on the lead is obtained.
Patent GB-1216246-A (GB)
Title: Turn over and feed device for hinge making machinery
IPC: B21D53/40
Filed: 1968-03-15
Abstract: 1,216,246. Making hinges. P.ESSER, [trading as MEYER, ROTH & PASTOR]. 18 March, 1968 [18 March, 1967], No. 12798/68. Heading B3A. A turn-over and feed device for a pair of hinge halves 5, 6 having their knuckles outwardly directed comprises turn over wings 12, 13 having holding grooves 15 into which the hinge halves may be pushed from guide rails 8, 9 and rotatable through 180 degrees to deliver the hinge halves on to upper guide rails 81, 91 with their knuckles facing each other, and means for bringing the halves together to mesh their knuckles. Each hinge half is fed forward from a rolling machine by feed rods (not shown) into the respective groove 15 of a wing 12 or 13 mounted on a shaft 10, 11 arranged above the respective guide rail 8, 9. After the hinge halves have been brought into meshing engagement by slides 18, they are ejected to an assembling machine 21. The drive of the device may be coupled and uncoupled from the rolling and assembling machines.
Patent GB-564025-A (GB)
Title: Improvements in packing boxes
IPC: B65D43/02
Filed: 1942-09-10
Abstract: 564,025. Packing cases. THOMPSON, A. C. Sept. 10, 1942, No. 12800. [Class 18] The lid 5 and bottom 6 of a knock-down packing case are secured by bevelled edges 17 in complementary grooves formed on the ends 8 by inclined faces 13 and removable cleats 9. The cleats may be of metal.
Patent GB-902238-A (GB)
Title: Improvements in or relating to synchronous electrical machines
Inventor: LUTZ KARLHEINZ
IPC: H02K1/26
Filed: 1959-04-15
Abstract: 902,238. Core constructions. SIEMENSSCHUCKERTWERKE A.G. April 15, 1959, No. 12805/59. Class 35. A synchronous dynamoelectric machine, e.g. an alternator, has a rotor of at least four poles operating with a torque of from 30 m.kg. to 600 m.kg. and comprising laminations common to all the poles. The main windings 8 are carried in slots, between which are holes (4, Fig. 1, not shown) for damper bars 6 which may be bent inwardly and connected to short-circuiting rings 9, or may be short-circuited by copper laminations identical to the core laminations and arranged at each end thereof (Fig. 3, not shown). The exciting voltage may comprise a constant component and a load dependent component at an appropriate phase angle. It is stated that the insulation of the rotor may have a higher specific resistance than that of the stator.
Patent GB-327872-A (GB)
Title: Improvements in gas burners for singeing any kind of spun yarn
IPC: F23D99/00
Filed: 1929-04-25
Abstract: 327,872. Petitalot, L. G. April 25, 1929. Atmospheric gas burners; burners, applications of.- A burner for singeing yarn comprises a block of fireproof material provided with two perforated burner tubes 8, 9 communicating through diametrically-opposed slots 5, 6 with a cylindrical chamber 4 so that the flames meet on the axis of the chamber along which the yarn travels. A slot 7 at right-angles to the slots 5, 6 is provided for inserting the yarn and for inspection purposes. The block may be made in sections 1, 2, 3. The tubes 8, 9 are supplied from a common valve-controlled main 12 and may be provided with rotary or sliding shutters for closing some of the perforations. In a modification, one or more additional burner tubes are arranged to direct their flames through the axis of the chamber 4. In a further modification, the block is provided with a plurality of chambers 4, some of the burner tubes being common to two adjacent chambers.
Patent GB-1041282-A (GB)
Title: Cathode for electron discharge device
IPC: H01J1/148
Filed: 1964-03-26
Abstract: 1,041,282. Cathode materials. GENERAL ELECTRIC CO. March 26, 1964 [March 26, 1963], No. 12980/64. Heading H1D. A thermionic cathode includes at least one boride of calcium, barium, strontium, thorium, uranium, or a rare earth-particularly lanthanum or misch metal-on a rhenium support. A lanthanum hexaboride coating 12 (Fig. 3, not shown), produced by spraying, dipping, painting, or sintering in argon a boride/amyl acetate paste, is disposed on a rhenium tube 10 between the turns of a loosely wound rhenium wire 11. In alternative embodiments, the inner tube 10 may be dispensed with (Figs. 1 and 2, not shown); the cathode may be hairpin-shaped (Fig. 5, not shown); and, instead of being directly heated, a heater wire may be coiled about, but out of contact with, the cathode (Fig. 4, not shown).
Patent GB-584547-A (GB)
Title: Improvements in or relating to explosive compositions
IPC: C06B25/30
Filed: 1944-07-07
Abstract: 584,547. Explosives. DU PONT DE NEMOURS & CO., E. I., DAVIS, C. O., and FASSNACHT, H. H. July 7, 1944, No. 13000. [Class 9 (ii)] To gelatine blasting explosives of at least 80 per cent liquid explosive nitric ester is added 0.1-5 per cent of one or more of the oxides, in finely-divided form, of manganese copper, titanium, lead, tin and iron to increase the sensitiveness to propagation of the explosion. Preferably over 90 per cent nitroglycerine and one part of nitrocellulose to 25 parts of nitroglycerine is used and the oxide should pass a 100-mesh screen. Tests for sensitiveness are described in which sympathetic explosion of one cartridge is obtained by explosion of another cartridge coaxial to and at a definite distance from it. The nitroglycerine may contain nitrated sugars, nitrated polymerized glycerine or dinitrochlorhydrin for depressing the freezing point.
Patent GB-859374-A (GB)
Title: Improvements relating to processes for the manufacture of active materials for preparations for improving the tone of human skin
IPC: A61K8/98
Filed: 1959-04-16
Abstract: A therapeutic substance is prepared from the subcutaneous cellular tissue of warm blooded animals by the extraction thereof with a liquid solvent containing no oxygen in its molecule followed by desintegration and extraction with a second liquid solvent containing oxygen in its molecule and concentration and removal of the solvent. Preferably, the animals are subjected to red radiation before slaughter.  As liquid solvents of the first kind are mentioned pertroleum ether, carbon tetrachloride trichlorethylene and as liquid solvents of the second kind; diethyl ether, amyl acetate and acetone. Disintegration may be achieved mechanically e.g. by grinding with sand, or chemically, e.g. by digestion with e.g. trypsin, papsin or pepsin and may be followed by adjustment of the pH to 3-4 to precipitate albuminous material.  The product may be compounded in oil in water and water in oil emulsions to make creams and lotions for external application.
Patent GB-257212-A (GB)
Title: Improved construction of two-speed gear mechanism
IPC: F16H3/06
Filed: 1926-05-21
Abstract: 257,212. Bence, E. H., and Johnson, W. R. G. May 21, 1926. Actuatingmechanism. Variable - speed gearing comprises a worm-andwheel pair for low speed and a bevel pair for high speed, the worm being supported eccentrically so that it can be moved out of engagement on the high speed. The adaptation is described for raising a screwed spindle 2, Fig. 1, for opening a sluice valve. A nut 3 which is the driven member is secured to a worm-wheel 5 and to a separate bevel-wheel 4. The gear is changed by shifting a hand-crank 17. Fig. 4, between the spindle 7 of a bevel pinion 8, Fig. 2, and the spindle 13 of the worm 14. The spindle 13 is supported eccentrically in two sheaves 11 which are connected by arms 15, Fig. 4, and a bar 16. To move the worm into and out of mesh, the bar 16 is thrown over by hand.
Patent GB-471387-A (GB)
Title: Improvements in tooth-brushes
IPC: A46B9/04
Filed: 1936-05-08
Abstract: 471,387. Toothbrushes ; handles. CHIAVARO, A. May 8, 1936, No. 13017. Convention date, May 31, 1935. [Classes 19 and 61 (i)] A toothbrush has two working heads L<1>, L<11>, Fig. 1, mounted on a very resilient handle 1. One head L<1> has the bristles all of one length, preferably spaced as in Fig. 2, so as to clean the lingual surfaces of all the crowns of the teeth. The other head L<11> has the bristles graded lower towards the end of the handle and is intended to clean the vestibular and occlusional faces of all the teeth. The bristles L<11> are preferably spaced as in Fig. 2. The handle 1 is so flexible that no weight greater than 50 grammes can be exerted on the teeth.
Patent GB-311816-A (GB)
Title: Improvements in and relating to tanks for receiving and separating mixed solid and liquid materials
IPC: B01D21/02
Filed: 1929-04-26
Abstract: 311,816. Ash Co. (London), Ltd., (Assigness of Allen, F. B.). May 17, 1928, [Convention date]. Separating by gravity.-A device to which a mixture of liquid and solid material is supplied for separate discharge comprises a base 1 with side walls 3 and an inner shell 5, which is supported in spaced relation to the base by angle bars 6 resting on shoulders 7 upstanding from the base. The mixture is supplied through a pipe 13. The solid matter settles on the base within the shell. Part of the liquid passes up between the shell 5 and the shoulders 7 into the space between the shell and the walls 3, from which it is discharged through conduits 14, 15. Another portion of the liquid is directed, as described in Specification 227,111, [Class 51 (i), Furnaces and kilns, Combustion apparatus of], by gates 10, which close discharge openings in the base into channels 11 for discharge through conduits 12. The solid matter passes through the discharge openings into vehicles 18, the base being mounted on, supports 2.
Patent GB-294317-A (GB)
Title: Improvements in or relating to electric coupling devices
IPC: H01R13/648
Filed: 1927-05-16
Abstract: 294,317. General Electric Co., Ltd., and Kaula, R. J. May 16, 1927. Earth-continuity couplings.- A plug for connecting apparatus having exposed metallic parts to an ordinary bayonet-holder is provided with an external terminal 19 for connecting an earthing wire that leads from the exposed metallic part of the apparatus through a groove 13 in the body of the plug and is gripped therein when the cover is placed in position. The earthing wire is separated from the adjacent live terminal 4 by a shield 11. The earthing terminal 19 is connected to the bayonet-holder either by a link 18 in electric contact with the bayonet pin 7, or by a leaf spring 21, Fig. 3, (not shown), having a projection that contacts with the outer surface of the holder.
Patent GB-1173043-A (GB)
Title: Photomechanical Process for the Production of Printing Plates
IPC: C08G69/02
Filed: 1967-03-21
Abstract: 1,173,043. Photo-polymerizable processes for producing printing plates. BADISCHE ANILIN- & SODA FABRIK A.G. March 21, 1967 [March 22, 1966], No.13169/67. Heading G2C. Printing plates are produced by imagewise exposing a material which contains 30 to 75% of a synthetic polyamide and 70 to 25% of a photopolymerizable composition comprising a monomer containing at least two polymerizable carbon to carbon double bonds or a mixture of monomers at least one of which has two polymerizable double bonds, and the monomer or one of the monomers having at least one double bond and an alcoholetherified N-methylolamide group, a photoinitiator and/or a thermal polymerization inhibitor and developing by removing the unexposed areas with a solvent. The specified photo-polymerizable compounds are the N-methylolacrylamide bis-ether of ethylene glycol and the alkyl ether of N-methylolacrylamide. Preferred N-methylol ethers are N-methylol ethers of compounds of following formulae:- wherein R 1  is alkylene with up to six carbon atoms and R 2  is hydrogen or methyl.
Patent GB-543428-A (GB)
Title: Improvements in or relating to machine tool-holders
IPC: B23B29/30
Filed: 1940-08-19
Abstract: 543,428. Turret tool-holders. FRANCE, H. C. Aug. 19, 1940, Nos. 13204/40 and 2169/41. [Class 83 (iii)] A tool turret mounted by a shank 2 in the tailstock spindle of a lathe rotates about an axis inclined to the lathe axis to give clearance for tools in the inoperative positions. The turret rotates in a conical seating on which it is held by a nut 8 and spring washer. The tools are fixed in the sockets 9 by grub screws 10. A flange is notched at 12 for engagement with a spring latch 13 released by pressure on a knob 15, indexing being effected by radial handles 11. The latch may be released by an inclined stop on the tailstock at the end of the return stroke, and in this case additional locating means are provided, such as recesses and a spring-pressed ball. According to the first Provisional Specification, another stop may effect the rotation of the turret. The hand-wheel may be removed from the tailstock feed-screw which is screwed up solid with the mandrel with an interposed sleeve 20. A bush 21 secured in the barrel guides an extension of the mandrel that is screwed to receive an adjustable stop nut 27 and provided with a fork for direct actuation by a lever 26. The turret may be mounted on the saddle or cross slide by means of an adapter bracket.
Patent GB-738382-A (GB)
Title: Pentaerythritol dichlorohydrin monosulphurous acid ester and process for its preparation
IPC: C07D327/10
Filed: 1952-05-26
Abstract: The invention comprises the mono-sulphurous acid ester of pentaerythritol dichlorohydrin which is presumed to have the formula <FORM:0738382/IV (b)/1> and the process for obtaining the ester from the product of reaction between pentaerythritol and thionyl chloride in the presence of pyridine, which comprises washing the reaction product with water in an amount greater than the amount of reaction product to be washed.  The invention also comprises a process for the preparation of a suitable reaction product containing pentaerythritol dichlorohydrin mono-sulphurous ester by reacting pentaerythritol with thionyl chloride in the presence of between 0.2 mols. and 2.0 mols. of pyridine.  Preferably 1 mol. of pentaerythritol is reacted with 2-4 mols. of thionyl chloride in the presence of 0.2 to 2.0 mols. of pyridine at 70 DEG  C. to 100 DEG  C. suitably in the presence of an inert solid diluent such as sand until evolution of sulphur dioxide and hydrogen chloride ceases. The separation of the reaction product by washing with water may be facilitated by the addition of a water-soluble solvent for the pentaerythritol trichlorhydrin.  The separation of the aqueous and non-aqueous phases during the washing with water may be assisted by the addition of a water-insoluble solvent for the monosulphurous acid ester.  After washing, the product is distilled, the fraction boiling between the boiling points of pentaerythritol trichlorohydrin and pentaerythritol dichlorohydrin is collected and this is further purified, either by fractional distillation or fractional crystallization from an organic solvent. In examples (1) 6 mols. of thionyl chloride and 3 mols. of pentaerythritol are reacted in the presence of 6 mols. of pyridine, the product is washed with more than an equal volume of water and distilled to give a fraction boiling at 140-155 DEG  C. at 5 mm.; (2) the fraction obtained in (1) is crystallized from benzene to give an initial crop of crystals of pentaerythritol dichlorohydrin and, on concentrating the mother liquors, a crop of pentaerythritol dichlorohydrin monosulphurous ester; (3) pentaerythritol dichlorohydrin monosulphurous ester, made by reaction of pentaerythritol and thionyl chloride in the presence of pyridine, followed by washing and distillation, is finally purified by fractional distillation; (4) 9 mols. of pentaerythritol and 30 mols. of thionyl chloride are reacted in the presence of 3 mols. of pyridine to give a product containing pentaerythritol monosulphurous acid ester; and (5) the process of (4) is carried out using sand as an inert diluent.
Patent GB-643027-A (GB)
Title: A new or improved method of making off the end of a wire and supplying a tension hook thereto
IPC: B21F1/06
Filed: 1947-05-16
Abstract: 643,027. Wire connections. WHESSOE, Ltd., and PUTNAM, W. E. May 16, 1947, No. 13238. [Class 99(i)] [Also in Groups XXII and XXV] In making off the end of a wire 5 and simultaneously constructing and securing a tension hook to the wire end the wire is threaded through a tube 6 having a bore of diameter slightly greater than that of the wire, the tube and wire are bent into the form of a hook and given a smooth curve beneath the hook termination merging finally into a straight shank in alignment with the centre line of the hook. The lower end of the tube may have several bends, and both ends of the wire may be made off as described above.
Patent GB-132635-A (GB)
IPC: H05B3/02
Abstract: 132,635. Lawton, T. A. D., and Hampton, J. Sept. 28, 1918. Resistance furnaces. -Resistance bars b of graphite or the like are shaped so as to present a large surface to a heating-chamber a and a small surface to a re fractory enclosure d The sides of the bars may be in contact and the current passed across them, in whicl case they are so proportioned that the in crease of pressure due to expansion compensates the temperature coefficient of resistance of the material; or the bars may be spaced and connected in a grid the current being longitudinal. The enclosure is as nearly as possible airtight,
Patent GB-1498665-A (GB)
Title: Method for the release of silicone rubber moulded bodies from moulding dies
IPC: B29C71/00
Filed: 1975-04-01
Abstract: 1498665 Releasing articles from moulds AGFA-GEVAERT AG 1 April 1975 [28 March 1974] 13294/75 Heading B5A Moulded articles of silicone rubber, especially contact lenses, are released from a mould by causing the article to swell under the action of a swelling agent, and the swelling agent is substantially removed from the moulded body after release thereof. The swelling agent is suitably an organic solvent (many suitable solvents being listed), especially one in which the swollen article will float, and is removed by heating, either under reduced pressure or under a flow of air.
Patent GB-133243-A (GB)
IPC: A62C13/00
Abstract: 133,243. Morris, J. Feb. 8, 1919 Extincteurs.-A tubular acid receptacle D extends into the neck B of an inversion extincteur, and has a seating d<1> for a gravity stopper or closure E within its upper end, portholes or outlets d for the acid being formed in the walls of the receptacle above the seating d'. The upper part of the receptacle D formed with the seating and portholes may consist of a brass casting soldered to the lower part; or a separate annular seating may be brazed or soldered in the'interior of a tube D formed in one piece. The closure E may be an open ring as shown, or may be in the form of a disk provided with an annular guide to slide on the inner wall of the receptacle D. The upper end of the receptacle D rests upon the top of the neck B, and a packing-ring c makes a tight joint between it and the cover C.'