baber/WOPTO huggingface dataset:
Patent GB-1213490-A (GB)
Title: Improvements in or relating to assembly line apparatus
IPC: G04D1/00
Filed: 1968-02-08
Abstract: 1,213,490. Endless conveyers. LANGENDORF WATCH CO. 8 Feb., 1968 [7 March, 1967], No. 6347/68. Heading B8A. Work-holders 5 disposed at regular intervals along an endless conveyer element 4 (only nine holders 5 actually shown), are conveyed through three working stations 1, 2, 3, there being means on either side of one (1) of the stations for taking up, or paying out an excess of the element 4. Thus if the station 1 is a manual working station in which the time of working operations varies unpredictably, the element 4 may be accumulated or paid out on either side of the station 1 while constant times of work operations are effected at stations 2 and 3. The element 4 is taken up and paid out by the use of telescopic spring devices 16 operating on respective pulleys 14 for the element 4.
Patent GB-847454-A (GB)
Title: Method and apparatus for forming finely perforated rings
IPC: B22D13/04
Filed: 1959-02-24
Abstract: An apparatus (see Group XXII) for casting a ring, such as is used in producing glass fibres, having a plurality of minute radial holes comprises a cup-shaped mould having a plurality of radially extending core pins.  The alloy cast may be 20.5-23% Cr, 17-20% Fe, 8-10% Mo; 0.5-2.5% Co, 0.2-1% W; 0.05-0.15% C; 1% Si, 1% Mn and balance Ni.ALSO:An apparatus (see Group XXII) for casting a ring, such as is used in producing glass fibres, having a plurality of minute radial holes comprises a cup-shaped mould having a plurality of radially extending core pins.  The core pins of frangible material are mounted in holes in the mould rim and may be composed of 55% graphite (equal parts of Mexican amorphous, Ceylon flake and Domestic flake) and 45% clay (70% firing, 20% moulding and 10% binding clay).
Patent GB-312961-A (GB)
Title: Improvements in or relating to advertising signs and the like
IPC: G09F19/00
Filed: 1928-03-01
Abstract: 312,961. Ward, C. W. March 1, 1928. Changing by alteration in view-point of observer.-An advertising sign &c. comprises a flat, convex, concave, or other shaped sheet 26 of fluted or corrugated glass &c. spaced in front of a picture &c. 14 at such a distance that it produces distortion of the picture without obstructing or breaking the continuity of any part thereof, and presents an appearance of movement when relative motion occurs between the observer and the sign. The flutings are shallow and may be in one direction only or be crossed. Two separate sheets having parallel flutings may be arranged so that their flutings cross. Fig. 5 shows in sectional plan a casing 30 having grooves 32 to receive the picture 14, a lamp being provided in a separate chamber at the bottom.
Patent GB-177962-A (GB)
Title: Improvements in devices for testing the electric ignition in internal combustion engines
IPC: F02P17/12
Filed: 1921-02-26
Abstract: 177,962. Carr, W. Feb. 26, 1921. Testing.-A bar a with a handle c of insulating material carries pivoted strips b which may be placed in contact with the plug terminals e. A chain or the like d short-circuits the plugs so connected.
Patent GB-1496353-A (GB)
Title: Packaging of tubular articles
IPC: B65D85/20
Filed: 1974-02-13
Abstract: 1496353 Packaging tubes RAYCHEM SA NV 12 Feb 1975 [13 Feb 1974] 6517/74 Heading B8C  A tubular article 1 is packaged in a onepiece tubular waterproof plastics wrapping 3 which extends through the article and back over the outside of the article and back over the outside of the article, the ends 5, 7 of the wrapping being joined together by heat sealing, adhesive, clips, or staples. Preferably the wrapping is of polyethylene film. As shown, the article 1 is a heat-shrinkable sleeve with a mastic lining 2 for covering a welded pipe joint. The wrapped sleeve can be placed over a pipe prior to pipe joining, and subsequently slidden into position over the joint, the wrapping being removed immediately before the sleeve 1 is shrunk on to the pipe to cover the joint. A release paper 8 may be provided between the wrapping and the mastic layer 2.
Patent GB-782338-A (GB)
Title: Improvements in and relating to transmission systems, in particular for motor vehicles
IPC: F16D47/06
Filed: 1956-03-01
Abstract: 782,338. Clutches. FICHTEL & SACHS AKT.-GES. March 1, 1956 [March 3,1955], No. 6521/56. Class 80 (2). In a motor vehicle transmission comprising a hydrodynamic clutch combined with a poweroperated friction clutch, a torque-limiting ratchet mechanism by-passes the hydrodynamic clutch in one direction of rotation at speeds below the idling speed of the engine. A flywheel 1 is secured to the primary rotor 2 of a fluid clutch 2, 3 driving a gear-box input shaft 7 through a friction clutch 5, 6. The friction clutch is actuated by engine vacuum through a servomotor 10 under the control of a valve 11 electrically controlled through a gear lever switch 14. Between the input rotor 2 and the driven shaft 4 is a torque limiting ratchet mechanism 15. The ratchet mechanism comprises a pawl 17 pivoted on. the rotor 2 urged inwards by a weak spring 19 which is overcome by centrifugal force on the pawl at a speed below the engine idling speed. A ratchet wheel 20 is rotatably mounted on a hub 21 secured to the shaft 4 and is rotationally connected to the hub by friction plates 22, 23 held in contact by a dished spring 24 tensioned by a nut 25 to provide a torque limiting coupling.
Patent GB-546952-A (GB)
Title: Improvements in and relating to feeding apparatus for metallic strips
IPC: B23Q7/05
Filed: 1941-05-21
Abstract: 546,952. Shearing. TRIGGS, W. W. (Carnegie-Illinois Steel Corporation). May 21, 1941, No. 6530. [Classes 83 (ii) and 83 (iv)] Apparatus for facilitating the connection of the leading end of a replacement roll of strip metal to the trailing end of an expiring roll which is being fed to a machine comprises three superposed rollers, the end of the strip from the replacement roll being passed between the centre roller and one of the outer rollers into position adjacent the running strip while that strip is passing between the centre roller and the other outer roller. The centre roll 8 is mounted in fixed bearings 7 and the outer rollers 9, 10 in slidable bearings 7a, 7b connected by bolts 12a, 12b to caps 14a, 14b between which and the bearings are arranged springs 15a, 15b. The caps are connected by toggle levers to piston rods of fluid pressure cylinders by operating which either roller 9, 10 may be moved into feeding relation with the centre roller 8. The rollers are geared together and may be driven in either direction. Guides 21, 22 covered with carpet, felt or other non-abrasive material are provided at the entrance side of the rollers and guides 23, 24, 25 at the exit side. Adjustable bronze-faced side guides 27 are also provided. As shown, the strip S from the active roll C passes to the machine between the rollers 8, 9 and the end of the reserve strip S<SP>1</SP> is passed between the rollers 8, 10. When the roll C is nearly exhausted, the strip S is severed by a shears 26, the strip S<SP>1</SP> is fed forwards to have its end trimmed by the shears and then fed into contact with the end of the strip S so that the ends of the strips may be united by welding. By then moving the roller 9 into contact with roller 8, the scrap end of the strip S may be fed from the machine in a reverse direction.
Patent GB-764851-A (GB)
Title: Readily engageable and disengageable coupling for connecting a branch pipe to a main conduit
IPC: F16L41/12
Filed: 1955-03-07
Abstract: 764,851. Pipe couplings. AKTIEBOLAGET. MANUS. March 7, 1955 [March 6, 1954], No 6608/55. Class 99(1) A readily engageable and disengageable coupling for connecting a branch pipe 2 to a main conduit 1 comprises a housing 3 with a cylindrical boring 6 for receiving an end piece 17 of the branch pipe. When the end piece is turned the flange 19 engages behind the head of a screw 20. The end piece may be of metal or other appropriate material and may be formed integrally with the branch pipe. The branch pipe may be suspended by the hook-shaped arm 22. The main conduit may be a milk conveying conduit of a milking plant and the pipe 2 a pipe leading from a teat cup. set.
Patent GB-366754-A (GB)
Title: Imitation suede leather
IPC: B29C37/00
Filed: 1931-03-04
Abstract: 366,754. Imitation suede leather. BETAMBEAU, W., 4, Powell Road, Clapton, London. March 4, 1931, No. 6701. [Classes 42 (ii) and 140.] Imitation suede leather is made by applying a coating of powdered cotton or other fibre to a woven fabric base in known manner and then applying to the back of the fabric a coating of rubber or a rubber composition in a liquid state. The rubber composition may be sprayed on or applied in any suitable manner. The powdered cotton or like coating on the face side of the fabric is preferably sprayed on after applying an adhesive to the fabric. The coated fabric may be passed under a roller which imparts a grain to the rubber coating.
Patent GB-372866-A (GB)
Title: Improvements in or relating to buffers for railway and like vehicles
IPC: B61G11/10
Filed: 1931-03-04
Abstract: 372,866. Buffers for railway &c. vehicles. SPENCER, A. and SPENCER, MOULTON, & CO., Ltd., G., 2, Central Buildings, Westminster. March 4, 1931, Nos. 6754 and 13449. [Class 103 (v).] In a railway vehicle buffer having an oval head 10 mounted on the tubular plunger, the latter is prevented from rotation relative to the casing 1 by providing on its flanged inner end 9 projections or lugs 30 which are guided within laterally projecting pockets'31 on the buffer casing. In the construction shown the casing is of rectangular cross section with a reduced forward portion 6 of cylindrical shape, while the pockets 31 are also substantially rectangular and accommodate rectangular bolts 32 on which the lugs 30 slide. The pockets and lugs may, however, be of tapering or conical formation to facilitate access to the bolts 3 that secure the casing to the headstock. Preferably the springs disposed within the buffer comprise, as described in Specification 371,309, an inner and lighter helical or indiarubber. spring 11 telescoping within an outer rear indiarubber spring 25. If desired, the head 10 may be removably secured to the tubular portion of the plunger by a bayonet-joint connection comprising a series of projections on the rear of the buffer head coacting with a corresponding series of lugs on the plunger body.
Patent GB-313028-A (GB)
Title: Improvements relating to the incorporation of gas black into india rubber latex or the like
IPC: C08K3/04
Filed: 1928-03-05
Abstract: 313,028. Dunlop Rubber Co., Ltd., Chapman, W. H., and Patterson, P. D. March 5, 1928. Emulsions, making.-Gas black which is to be incorporated as a filler into rubber latex is first intimately mixed with a substance which is already plastic i.e. dispersible in an aqueous medium e.g. colloidal clay or colophony, or can be rendered plastic e.g., rubber, rubber waste or reclaim, synthetic rubber, or thermo-plastic derivatives of rubber, or a mixture of these, and the mixture is then dispersed and the dispersion added to the latex. When a substance such as rubber is employed it is rendered dispersible by means of a kneading operation in the presence of soap or soap-forming ingredients with or without heat. The soap-forming ingredients may be fatty acids such as oleic acid and caustic soda or potash, the latter being preferably in the dry powdered condition with or without zinc oxide or other non-hygroscopic powder. The dispersion is formed by adding water or preferably an alkaline hydroxide solution such as 5 per cent ammonia solution at such a rate that the batch remains plastic and until an inversion of phase occurs, and then further diluting. Instead of water or alkaline solution, preserved or concentrated rubber latex may be used or aqueous dispersions of compounding ingredients, vulcanizing agents and accelerators. Numerical examples are given utilizing masticated rubber and bentonite clay as the plastic material. Specification 313,027 is referred to.
Patent GB-794507-A (GB)
Title: Improvements in and relating to winders
Inventor: OLDHAM THOMAS JOHN FREDERICK
IPC: B66B7/06
Filed: 1955-03-08
Abstract: 794,507. Lifts. BRITISH THOMSONHOUSTON CO., Ltd. March 7, 1956 [March 8, 1955], No. 6818/55. Class 78 (3). In a Koepe winder the cable 1 is secured so that its length or distribution may be adjusted, the cable at one end being resiliently fixed at IC and passing round pulley 2 of cage 3, guide pulley 5, Koepe pulley 4, pulley 6 of cage 7 and being secured at its other end to drum 8. The latter is held by locking bar 10 and may be released to adjust the cable length.
Patent GB-899951-A (GB)
Title: Radio navigation system
IPC: H01Q3/24
Filed: 1960-02-26
Abstract: 899,951. Radio navigation. STANDARD TELEPHONES & CABLES Ltd. Feb. 26, 1960 [Feb. 28, 1959], No. 6841/60. Class 40(7). Relates to a Doppler-type radio beacon or direction-finder comprising a circular array of aerials which are connected sequentially to the transmitter or receiver by a rotating switch so that the -signal transmitted or received is frequency modulated at the switching frequency, the phase of the modulation, as indicated by comparison with a reference signal synchronized with the switch rotation, being dependent on the direction of transmission or reception. According to the present invention the switch is such that two diametrically opposite aerials are switched in simultaneously thereby increasing the frequency deviation. Beacon. As shown the rotary capacity switch comprises a plurality of stator elements 2 connected to the aerials A and a rotor 3 driven by a motor 5 and having two diametrically opposite elements 4a, 4b. 90% of the output from a transmitter 8 of frequency fo is amplitude modulated at 9 (30% modulation) with a  30 c/s. reference signal from a generator 10 driven by the motor 5 and applied to the rotor element 4a and 10% of the transmitter output is converted to a frequency fo  9960 c/s. in a single sideband modulator 12, 13 and applied to the rotor element 4b. The mobile receiver 14 is a conventional VOR beacon receiver having an amplitude demodulator 15 which produces (1) the 30 c/s. reference signal which is separated by a filter 16 and (2) a 9960 c/s. beat signal frequency modulated with the direction-dependent signal which is extracted by a discriminator 18 and applied with the reference signal to a phase meter 19. Direction-finder. In this case the switch is the same as the beacon switch and the frequency modulated signals picked up by the rotor elements 4a and 4b have the same carrier frequency F. One of these signals is converted to a frequency F + F3 (F3 = 10 kc./s.) by a single-sideband modulator, Fig. 2 (not shown), combined with the other signal in a mixer to give a beat signal F3 which is applied through a limiter to a discriminator to give the direction-dependent signal which is applied to a phase meter with phase quadrature reference signals from a generator synchronized with the switch. When two signals of different frequency F1 and F2 are received by the direction finder, the outputs F1 + F3 and F2 + F3 from the modulator are separated to provide separate indications of the directions of the two signals. Specifications 594,530 and 838,607 are referred to.
Patent GB-1426647-A (GB)
Title: Transport system for goods carriers
IPC: B65G1/04
Filed: 1973-02-12
Abstract: 1426647 Endless conveyers VON ROLL AG 12 Feb 1973 [11 Feb 1972] 6856/73 Heading B8A [Also in Division B7] A vertical conveyer having individually propelled wheeled carriages 5, each with means 5 for picking up and depositing as well as conveying wheeled carriers 6 has transfer stations 8. Each of the latter has an associated storage conveyer 14 which feeds carriers 6 to, or transfers them away from, the conveyer 1. Stops 17 hold up the feed of the carriers 6 to the conveyer 1 until they are released by a magnet 18. Similar stops 17 (Fig. 3, not shown) may control discharge of the carriers 6 from the end of the conveyer 14. The actual transfer of each carrier between the conveyers 1 and 14, is effected by the action of a lifting table 10 which is also reciprocable on rails 9. The carriers 6 may be without wheels, in which case they are discharged from the conveyer 14 on to wheeled trolleys (19) (Fig. 3, not shown). The conveyer 14 may comprise a pair of spaced roller chains 15 having rollers 26 which engage driving sprocket portions 27, 28 (Fig. 5) of a driving wheel 22, and centrally disposed larger diameter rollers 30 for engaging a ledge 31 projecting from each side of the carrier 6. In between the drive wheels 22, and return wheels 32, the rollers 26 rest on side members (33) (Fig. 6, not shown) of a channel-shaped support member. In a modification (Figs. 7 and 8, not shown) the ledges 31 of the carriers 6, rest on a series of support rollers (34) and the carriers 6 are propelled by the action of an endless frictionsurfaced belt (35). The latter may have adjustable presser pads (37) for forcing the belt into engagement with the ledges 31. A door 11 having a lock 12, may prevent transfer of a carrier 6 when there is no available carrier on the conveyer 1. Instead of the lock 12, there may be a lock (12<SP>1</SP>) (Fig. 2, not shown) which cooperates with one of the two projecting brackets 31 of the adjacent carrier 6.
Patent GB-817916-A (GB)
Title: Improvements in or relating to blast furnace smelting of zinciferous materials
Inventor: LUMSDEN JOHN
IPC: C22B19/36
Filed: 1957-03-01
Abstract: 817,916. Extracting metals; lead; distilling zinc. NATIONAL SMELTING CO. Ltd. Jan. 17, 1958 [March 1, 1957], No. 6917/57. Class 82(1) In a process of smelting an oxidic zinciferous material with coke in a blast furnace a molten slag is run off, of which at least 81 per cent by weight consists of iron oxide (calculated FeO). lime and silica, the weight ratios CaO/FeO and SiO 2 /FeO lying within the hexagonal area shown in Fig. 1. Where the alumina content of the slag is above 5 per cent by weight and up to 15 per cent by weight the area of the graph representing the usable slag compositions is preferably restricted. Fig. 2 and 3 (not shown) show the areas appropriate for alumina contents of 10 per cent and 15 per cent respectively. Part of the iron oxide content of the slag may be derived from pyrites which may itself contain zinc. The zinciferous material may contain lead, in which case molten lead is produced and runs from the furnace together with the molten slag.
Patent GB-435302-A (GB)
Title: Improvements in or relating to modulated carrier wave apparatus
IPC: H01J25/68
Filed: 1935-03-05
Abstract: 435,302. Valve modulating circuits. TELEFUNKEN GES. FUR DRAHTLOSE TELEGRAPHIE, 12, Hallesches Ufer, Berlin. March 5, 1935, No. 6950. Convention date, March 5, 1934. [Class 40 (v)] Oscillations generated by a Barkhausen- Kurz oscillator R1 are modulated in amplitude by currents applied through a transformer T, and frequency modulation is balanced out by connecting a part e.g. of the secondary winding in the grid circuit of a modulating-valve R2, and the other part, eb in the opposite sense in the plate circuit of the oscillating-valve R1. The plate circuit of the modulating-valve R2 is in parallel with the grid circuit of the valve R1, the battery connection for each including a choke coil Z. The voltages across eg and eb may be equal, and the amplification of the valve R2 may be varied so as to secure the desired balance.
Patent GB-122567-A (GB)
Title: A Combination Note and Envelope.
Inventor: HOWARTH ALBERT
IPC: B42D15/08
Filed: 1918-04-26
Abstract: 122,567. Howarth, A. April 26, 1918. Envelopes. - In an envelope blank having four flaps B, C, C, E, one flap only is provided with gum D, the object being an envelope, the inner surface of which can be written upon. Reference has been directed by the Comptroller to Specifications 11365/9E and 9212/09.
Patent GB-482321-A (GB)
Title: Manufacture of saturated and unsaturated ketones of the pregnan series
Filed: 1937-03-10
Abstract: Ketones of the pregnan series are obtained from nuclear saturated genins of heart glucosides having the formula <FORM:0482321/IV/1> where X represents a hydrogen group or a group reconvertible thereinto, by treatment with agents which open the double linking of the g -lactone side chain, followed by ketone scission of the b -keto-carboxylic acids so produced, and finally oxidation of secondary carbinol groups to keto groups.  The agents used to open the double link of the g - lactone ring are those which are known to be capable of opening olefinic links such as ozone, followed by agents which split the ozonide, peroxides such as benzoic peroxide or hydrogen peroxide, preferably in the presence of osmium tetroxide, or permanganate followed by agents which split the glycol so produced, such as chromic acid or lead acetate.  The hydroxyl groups present are preferably protected during the oxidation process for instance by esterification or etherification.  If the methyl ketone formed contains tertiary hydroxyl groups these are removed by a water eliminating agent such as alcoholic hydrochloric acid.  The water elimination may alternatively be combined with the ketone scission. The nuclear unsaturated compounds resulting from this elimination of water may be hydrogenized.  If however there is only a partial elimination of water with subsequent hydrogenation, this may be followed by a further elimination of water.  The secondary carbinol group may be oxidized to keto groups at any stage, by for example chromic acid, or they may be hydrogenated for example with copper bronze. Suitable parent materials are for example, periplogenin, digitoxigenin, uzarigenin, gitoxigenin, and digoxigenin.  In examples, (1) a glacial acetic acid solution of periplogeninacetate is treated with ozone, the ozonide decomposed by heating on the water bath, and the residue saponified.  Water is split from the saturated methyl ketone so formed by means of methyl alcoholic hydrochloric acid to give an unsaturated product which is hydrogenated, and then oxidized.  A final treatment with a 5 per cent solution of hydrochloric acid in glacial acetic acid eliminates the final hydroxy group to yield progestrone; (2) the product obtained from periplogenin by eliminating water, hydrogenizing and acetylating is ozonized and the ozonide subjected to ketone scission, and worked up to progesterone as in example (1).
Patent GB-145128-A (GB)
Title: Improvements in or relating to the production of substitutes for celluloid, vulcanite or the like
IPC: C08G8/28
Filed: 1919-03-21
Abstract: Products suitable for use as substitutes for celluoid, vulcanite, &c. are obtained by the condensation of formaldehyde, or substances yielding it, with o-, m-, or p-cresol, in the presence of an inorganic fixed base or alkali salt, e.g. caustic soda, or sodium carbonate, acetate, or formate.
Patent GB-667338-A (GB)
Title: Improvements in sprinkling canisters and like containers
IPC: B65D83/06
Filed: 1950-03-22
Abstract: 667,338. Powder distributers. LEVERS BROS. & UNILEVER, Ltd., and RENDLE, H. March 22, 1950, No. 7125/50. Class 18 A sprinkling canister 2 has a lid 1 having a perforated depressed portion 3 of diameter approximately threequarters that of the whole lid. A cardboard disc 5 placed over the lid is held in place by a bead 6. The disc is removed by depressing it so that it assumes a concave shape and becomes detached from the bead.