baber/WOPTO huggingface dataset:
Patent GB-1192499-A (GB)
Title: Arrangement for Controlling the Lateral Position of a Moving Web of Material
Inventor: WOOLARD DUNCAN JAMES
IPC: B65H23/02
Filed: 1968-08-06
Abstract: 1,192,499. Guiding webs. MOUNT HOPE MACHINERY Ltd. 3 Oct., 1968 [6 Aug., 1968], No. 37491/68. Heading B8R. Apparatus for controlling the lateral position of a moving web includes two pneumatically operated elements defining limits of a range of permitted lateral deviation in the position of one edge of the web and is provided with a third sensing element arranged to modify the control action of the first two elements so that the web is not moved unnecessarily when substantial local discontinuities are present in the edge of the web. Thus a web 26 is drawn past a sensing head incorporating three sensing elements 14, 15, 16, this situation being represented diagrammatically in Fig. 1 by a series of lines representing the positions of the elements relative to the web when the latter has moved over a period of time. With element 14 sensing the absence and element 15 sensing the presence of the web, signals from these two elements control web-positioning apparatus in known manner so that the edge of the web 26 is maintained in a position which can vary only between the limits defined by the two elements. To avoid unnecessary corrective action should a local discontinuity such as 13 be present in the edge of the web, control by elements 14 and 15 is arranged to be inhibited when a signal from the element 16 indicates absence of the web. Thus when a discontinuity 13 arises, the control action called-for by element 15 sensing the absence of the web is inhibited because element 16 also produces a signal indicating absence, and unnecessary positioning to correct for the purely local deviation is prevented. A suitable pneumatic control system including turbulence amplifiers connected to provide the desired control signals in response to the signals derived from sensing elements 14, 15 and 16 is described with reference to Fig. 2 (not shown).
Patent GB-1180796-A (GB)
Title: Production of Esters
IPC: C07C69/82
Filed: 1967-04-16
Abstract: 1,180,796. Bis-(hydroxyalkyl) benzenedicarboxylates. CELANESE CORP. 16 Aug., 1967 [1 Sept., 1966], No. 37580/67. Heading C2C. The title esters are prepared by reacting a benzenedicarboxylic acid with a C 2-6  alkylene oxide, in presence of an N-heterocyclic tertiary amine having substituents in both positions orthoto the N atom. Specified catalysts are 2,6 - dimethylpyridine, 2,4,6 - trimethylpyridine, 2 - methylquinoline and 2,6 - dimethyl- 1-propylpiperidine. The Specification also lists suitable organic reaction media.
Patent GB-1122027-A (GB)
Title: Improvements in or relating to signalling apparatus for producing signals indicating the value of money received by the apparatus
Inventor: ROBINSON WILLIAM LOVELL
IPC: G07F5/10
Filed: 1964-09-15
Abstract: 1,122,027. Coin freed apparatus. ELECTRIC SHOP DEVELOPMENTS Ltd. 3 Sept., 1965 [15 Sept., 1964], No. 37604/64. Heading G4V. Article-dispensing or, as described, changegiving apparatus comprises cyclic means which cause transmission of a signal e.g. in the form of pulses until appropriate articles or change have been given. The apparatus described gives sixpences in exchange for one shilling, florin or half-crown pieces. Insertion of a shilling momentarily opens a micro-switch 12 to energize relay 2S/3 which closes a holding switch 2S.1 and also switches 2S.2 and 2S.3. Closure of switch 2S.3 starts a motor 16 driving a disc (19, 19a), (Figs. 2, 3, not shown), having around its periphery five notches or projections for operating suitably positioned switches SW1- SW5. As the disc (19) rotates the first and second notches sequentially cause signalling switch SW2 to close. Switch SW2 transmits a pulse on each closure to the coin dispenser 31, giving a sixpence each time. Before switch SW2 can close again switch SW3 opens momentarily, de-energizing relay 2S/3 and opening switches 2S.1, 2S.2, 2S.3. The switch SW1 remains closed until the disc (19) has made a complete revolution and then opens, thereby switching off the motor 16. The switch SW2 gives four and five pulses respectively for a florin and half-crown before the appropriate switch SW4, SW5 opens to de-energize the associated relay. In a modification a changeover switch is provided so that change for 2/6 may be given as five sixpences or as a combination of sixpences and threepences, extra relay circuits being provided for giving change for shillings and florins. When coins in the dispenser have been reduced to a predetermined reserve a micro-switch 11 is actuated, thereby lighting a lamp 25 and de-energizing switches 12, 13, 14 so that relays 2S/3, 4S/3, 5S/3 cannot be energized. Coil 15 is de-energized, so that subsequently inserted coins are deflected and returned, but the reserve is sufficient to ensure completion of any change-giving already in progress.
Patent GB-1323840-A (GB)
Title: Analysis of samples
IPC: G01N30/68
Filed: 1971-08-11
Abstract: 1323840 Chromatographic analysis CESKOSLOVENSKA AKADEMIE VED 11 Aug 1971 [11 Aug 1970] 37611/71 Heading B1X Effluent from a chromatography column 5 is deposited onto a disc 3 and rotated by hub 1 and shaft 2 until it is within ionisation detector 6, 7. A combustion promoting catalyst is added to the disc from 9 and the disc is heated by I.R. bulb 8 to drive off solvent before combustion occurs in the ioniser. The disc 3 may be a metal sheet or grid, a ceramic or quartz. In a modification the axis of rotation is vertical and the disc 3 becomes a cylinder, Fig. 3 (not shown). The apparatus is applicable to gas or liquid chromatography and can be used to analyse sugar, squalene or acetylacetonate. The carrier may be alcohol, hexane, water, acetone, a paraffin or argon.
Patent GB-1111644-A (GB)
Title: Automatic adjuster for internal shoe-drum brakes
Inventor: HILL ALBERT CHARLES
IPC: F16D65/56
Filed: 1964-09-16
Abstract: 1,111,644. Internal shoe-drum brakes. GIRLING Ltd. 27 Aug., 1965 [16 Sept., 1964]. No. 37759/64. Heading F2E. In an automatic adjusting mechanism for internal shoe-drum brakes of the kind in which a lever 22 pivoted on a shoe 11 is connected at one end to a fixed anchorage 15 through a link 24 and at the other end co-operates with a toothed wheel 21 of a screw and nut adjuster 18 whereby when the movement of the shoe in the application of the brake exceeds a predetermined value the lever is moved angularly to rotate the toothed wheel 21 and increase the effective length of the assembly. The lever 22 is formed on its radially outermost edge with an openended notch 25 resiliently held in rocking engagement with a pivot pin 27 fixed to the web 23 of the shoe whereby when the resistance to movement of the lever 22 exceeds a predetermined value the shoe can move outwardly independently of the lever in the application of the brake and no undue force can be applied to the lever by the shoe. The pin 27 may be constructed as a hollow tubular member, the notch 25 in the lever engaging with an enlarged head on the pin on the opposite side of the shoe web from the spring anchorage. A spring-loaded hold down device is provided for holding the shoe against the stationary back-plate of the brake and passes through the hollow pivot-pin 27 (Fig. 2). In a modification (Fig. 3, not shown), the tension spring 26 is replaced by a compression spring which is located in a sheetmetal pressing provided with a spigot portion which enters the web of the shoe and acts as a pivot pin. The brake illustrated in Fig. 1 may be applied by a double-ended hydraulic cylinder 13 or by a cam 14 rotatably mounted on the anchor pin 15 for the shoes and is actuated by a cable 16.
Patent GB-1160345-A (GB)
Title: Dither-Tuned Tunable Microwave Tube Apparatus
Inventor: CHUN HERBERT HINQUON
IPC: H01J23/207
Filed: 1967-08-16
Abstract: 1,160,345. Magnetron oscillators. VARIAN ASSOCIATES. 16 Aug., 1967, No.37765/67. Heading H1D. In a dither-tuned magnetron wherein a tuning plunger 18 is coupled by an actuating mechanism to a yoke member 27 mounted on an eccentric rotating shaft 29, the actuating mechanism is adjustable in length to allow adjustment of the centre frequency of the magnetron. The actuating mechanism shown comprises a rod 24 coupled at one end to the tuning plunger and screw-threaded at its other end to receive a nut 25 coupled by a ball-andsocket joint 26 to the yoke member 27. The nut 25 is coupled to the tuning adjustment gear 31 by a spider 32 and by flat surfaces 38 on the nut co-operating with flat surfaces 39 on the gear. The rod 24 is tensioned by a spring 52 to prevent backlash and slack in the mechanism, and a bellows 51 seals the envelope of the magnetron whilst allowing movement of the tuning mechanism. The magnetron comprises a cathode 9 surrounded by an anode wall 15 carrying vanes 11 and coupled by slots 17 to a coaxial cavity resonator 16 turned by the plunger 18. The envelope includes polepieces 13 and 14 joined by an external magnet assembly (not shown).
Patent GB-1457089-A (GB)
Title: Alkylindene-bisphenols containing sulphur and their use as  stabilisers
IPC: C08L51/02
Filed: 1975-09-15
Abstract: 1457089 Stabilizers for polymers CIBAGEIGY AG 15 Sept 1975 [16 Sept 1974] 37774/75 Heading C3P [Also in Division C2] A stabilized natural or synthetic rubber composition comprises as stabilizer 0À005 to 5% by wt. relative to the rubber to be stabilized of a compound of the formula wherein R 1  is a C 1 -C 18  alkyl which is not branched at the α-position, R 2  is H or a C 1 -C 8  linear or branched alkyl, R 3  and R 5  are each independently H or C 1 -C 6  alkyl, and R 4  is C 1 -C 20  linear or branched alkyl which may be interrupted by S atoms. Specified synthetic rubbers are polybutadiene, ethylenepropylene copolymers, propylene-butene-1 copolymers, propylene-isobutylene copolymers, styrene-butadiene copolymers, terpolymers of ethylene and propylene with a diene, and styrene polymers which have been modified by rubber phases so as  to be impact-resistant. Other antioxidants and other additives may also be present in the compositions. Examples are given in which polybutadiene rubbers are stabilized.
Patent GB-857128-A (GB)
Title: Production of alpha-hydroxy-beta, beta-dimethyl-gamma-butyrolactone
Filed: 1958-11-24
Abstract: a -Hydroxy-b , b -dimethyl-g -butyrolactone is purified by dissolving it in a water-immiscible solvent, adding thereto a quantity of alkali at least sufficient to produce the salt of the corresponding acid, separating the phases, adding an acid to the aqueous phase and heating to reform the lactone and recovering same, the amount of acid being sufficient to convert the salt to the lactone.  The crude lactone may be in the form of an aqueous solution in which case the pH is first preferably adjusted with alkali to 6,5 to 6,8 before adding the solvent and the aqueous layer is preferably discarded before adding the alkali.  The treatment with alkali is preferably effected below room temperature and a 5-20% solution may be used. The pure lactone may be recovered by adjusting the pH of the acidified aqueous solution to about 6,5 and extracting with an organic solvent. Suitable solvents for both stages include methylene chloride, ethylene chloride, isopropyl acetate and benzene.  The lactone may be prepared by condensing isobutyraldehyde with formaldehyde in a solution comprising a mixture of water and a watermiscible organic solvent, e.g. a lower alkanol, in the presence of aqueous alkali cyanide in an amount sufficient to form formoisobutyraldol and at the same time provide cyanide requisite for the subsequent conversion of said formoisobutyraldol to its p cyanhydrin, thereafter adding an acidic substance more acid than HCN, e.g., HCl, substantially to neutralise the reaction mixture and promote the conversion to cyanhydrin.  If the acid is considerably more acidic than HCN, e.g. at a pH of about 1-2, the cyanhydrin formation and its hydrolysis to lactone are carried out simultaneously.  Otherwise the hydrolysis is effected subsequently with an acid at a pH of about 1-2.
Patent GB-829973-A (GB)
Title: Fluid valve
IPC: F16K1/12
Filed: 1957-12-04
Abstract: 829,973. Valves. GARRETT CORPORATION. Dec. 4, 1957 [Dec. 4, 1956], No. 37838/57. Class 135. A valve comprises a tapered cup-shaped resilient sealing element secured at its centre to a closure member movable towards a seat to close it, the edges of the element being free to flex when it bears on the seat. The cup-shaped sealing element 32 is secured at its centre to the end of a piston 29 spring-loaded at 26 through a sleeve 39 which compresses at 30 the seals 24, 25 between the piston and the cylinder 20 in which it slides, which cylinder is supported in a conduit by veins 19. Since the piston area is greater than the area of the seat 17, inlet pressure at 10 acting by a restriction 36 in the end of the piston will close the valve against inlet pressure. To open the valve the pressure in the cylinder is bled off through the valve 37. In an alternative embodiment the restriction 36 is closed and the bleed valve conduit 38 is controlled by a double-acting valve or two solenoid valves one allowing pressure to flow into the cylinder and the other controlling exhaust from the cylinder. The sealing element 32 is of flexible stainless steel, the included angle of the sealing element being slightly greater than the forward end of the closure piston 29.
Patent GB-623075-A (GB)
Title: Improvements in or relating to thole pins
IPC: B63H16/06
Filed: 1946-12-24
Abstract: 623,075. Thole pins. MIKKELSEN, A. Dec. 24,1946, No. 37840. [Class 114] A thole pin attachment comprises a T-shaped thole pin 3, 4, swingable on a horizontal axis, mounted in a carrier plate 1 attached to a gunwale 6, corresponding slots 5 being provided in the carrier plate and gunwale to permit the thole pin to swing down. The thole pin may be of sufficient length to enable it to be swung down without removing the oar, the latter being fitted thereto by a ring 8 on a side mounting, and secured as by a split pin in the thole pin.
Patent GB-1100651-A (GB)
Title: Improvements in or relating to ventillators
Inventor: PAYNE HAROLD JAMES WILLIAM
IPC: F24F7/02
Filed: 1965-09-03
Abstract: 1,100,651. Ventilators. H. H. ROBERTSON CO. 1 Sept., 1966 [3 Sept., 1965], No. 37857/65. Heading F4V. A roof ventilator comprises a plurality of spaced bulkheads A, each comprising a rectangular lower portion 10 and an upper, laterally extending portion 12, the portions being formed at their edges with flanges 11, 13 respectively. Flange 11 carries stack plates B which define the ventilator stack, and flange 13 carries suction plates C. A continuous weather cap D is supported by bracing members 21 supported by the suction plates C at 24. A further baffle 26 may be employed. Dampers 30 may be mounted on bearings 32 on the bulkheads A, to control the flow of air through the stack.
Patent GB-994671-A (GB)
Title: Improvements in or relating to covering materials in sheet form
IPC: A01G13/02
Filed: 1962-10-06
Abstract: 994,671. Moulding plastic substances. O. COLOMBO. Oct. 6, 1962, No. 37928/62. Heading B5A. [Also in Divisions A1 and E1] A sheet of synthetic resin more particularly for covering a garden frame has attached to one side parallel tubes 2 each containing a reinforcing rod 3. The sheet may be formed by corrugated sheet attached to a flat sheet. The sheet may be extruded in the form of a cylinder from a circular die round which are dies for extruding the tubes, the sheet and tubes being connected immediately after leaving the dies in the polymerization phase and by welding rollers.
Patent GB-523352-A (GB)
Title: Improvements in mountings or holders for electron discharge tubes
IPC: H01R33/76
Filed: 1938-12-31
Abstract: 523,352. Two-part couplings. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. Dec. 31, 1938, No. 37998. Convention date, Dec. 31, 1937. [Class 38 (i)] A thermionic valve having four' pins sealed separately into the envelope is mounted in socket-clamps that engage the pins and are resiliently connected to a support. The lower clamps 10 consisting of jaws 14, 16, tightened by screws 20 on the pins 2, 4, carry the weight of the valve and are mounted on bent spring strips 26, 28 that allow the clamps to adjust themselves to variations in the position of the pins of individual valves. The strips 26, 28 are secured to terminal blocks 34 attached to insulators 36. The upper pins 3 are engaged by split sockets 52 pressed into contact with the pins by springs 56 that lie between cooling pins 54. A double resilient strip 50 is attached to both halves of the socket by screws 58, 58a.
Patent GB-369277-A (GB)
Title: Improvements in mercury vapour lamps operating at above atmospheric pressure
IPC: H01J13/00
Filed: 1930-12-18
Abstract: 369,277. Mercury-vapour apparatus. KALBACHER VON TœRKENBURG, FELIX, RITTER, 85, Wiesbadenerstrasse, Friedenau, Berlin. Dec. 18, 1930, No. 38156. Convention date, Dec. 20, 1929. (Class 39 (i).] In mercury-vapour lamps or rectifiers operating above atmospheric pressures, an elastic receiver for mercury displaced by the arc is provided at the anode end of the container, which, with the receiver, is completely filled with mercury. As shown, an arc tube a is joined to a circulation cooler b which is connected at its lower end to the anode end of the lamp. An anode leading-in conductor e is fastened to a rubber bellows c and ends in a solid conical needle which is adapted to slide in a capillary g of the tube to restrict the flow and to reduce the oscillations of the mercury ; it is hollow at its upper end and is provided with a closing nut j and a hole h to facilitate the filling of the lamp. Starting is effected by a heating coil d. The vapour pressure in excess of the atmospheric pressure is determined bv the material and size of the bellows. For polyphase currents, the lamp is provided with a number of arc tubes the cathodes of which are connected together and to the star point of the system, while the anodes are connected to the individual phases.
Patent GB-1477742-A (GB)
Title: Self supporting sheeting panel for shoring trenches
IPC: E02D17/10
Filed: 1974-09-02
Abstract: 1477742 Trench shoring panels J KRINGS 2 Sept 1974 [12 Sept 1973] 38225/74 Heading E1E In a trench shoring panel comprising a rectangular framework having a pair of cover plates secured to opposite sides thereof so as to define a chamber therewith, the chamber is filled with a foam plastics having re-inforcing means embedded in it. The framework may consist of I-beams 2, 3 welded to vertical beams 5 and tubes 4, the beams 5 having guide pieces 8, 9 also welded thereto. The cover plates may be constructed of steel or re-inforced plastics and the re-inforcement for the foam plastics may be in the form of steel cord, mesh or waste. In a modification, see Fig. 2 {not shown), the I-beams are replaced by U-shaped channel members placed back to back. For minor details concerning materials employed the Specification should be referred to.
Patent GB-1270950-A (GB)
Title: Improvements in or relating to clothes washing machines
Inventor: NICHOLLS LAWRENCE GEORGE
IPC: D06F37/22
Filed: 1968-08-09
Abstract: 1,270,950. Washing machines. GIRLING Ltd. 5 Aug., 1969 [9 Aug., 1968], No. 38244/ 68. Heading D1A. The tub assembly 1, which includes a tub rotatable about its central axis, of a clothes washing machine is supported from a base 3 disposed below the tub assembly 1 by a plurality of units 4 with axes which are inclined to the vertical and converge upwardly, each unit comprising a telescopic damper mounted co-axially within and providing lateral support for a helical compression spring. The axes of the units 4 converge on the vertical axis through the CG of the tub assembly which may be supported by three units (Figs. 1, 2 not shown) or by two units 4, when the tub assembly is further located by two links 8. Each link 8 has a pin-and-slot upper connection 9 to the tub assembly and a stiff resilient bush at the lower end which is pivotable about an axis parallel to the horizontal axis of rotation of the tub.
Patent GB-369572-A (GB)
Title: Improvements in or relating to the production of pattern effects on textile materials
IPC: D06P5/15
Filed: 1930-12-20
Abstract: Printing; cellulose esters or ethers, dyeing; regenerated celluloses, dyeing.--In the production of pattern effects on textile materials by processes involving the application of discharging agents followed by steaming or equivalent treatment to fix colouring matters, a reagent is applied to render ineffective the residual discharging agent after effecting discharge but prior to at least part of the steaming or like treatment.  Suffusion of the discharging agent into adjacent areas during the fixing treatment is thus prevented.  The local application of the discharge agent may be effected either before or after the application of the ground colour.  Reduction discharging agents may be rendered ineffective by the application of oxidizing agents such as chromates, persulphates, or perborates, and oxidation discharging agents by the application of reducing agents.  The following examples are specified.  (1) A fabric of cellulose acetate yarn dyed with the dyestuff o - methoxybenzeneazo - a  - naphthylamine, diazotized on the material and developed with 2 : 3-oxynaphthoic acid, is printed with an aqueous paste containing 1-amino-2-methylanthraquinone, methylated spirit, gum arabic, potassium thiocyanate, citric acid, and stannous chloride, the fabric is then dried, aged for a short time to effect the discharge, padded with a 1 per cent solution of sodium perborate, dried, steamed for 30-40 minutes, washed and finished to obtain an orange pattern on a navy blue ground.  (2) A fabric of cellulose acetate yarn dyed with Malachite green crystals is dried and printed with two aqueous pastes each containing dark British gum, citric acid, sodium chlorate, caustic soda, and potassium ferricyanide, and the one containing 1-amino-2-methylanthraquinone and the other 1-acetylaminoanthraquinone; the fabric is then dried, aged for 5-8 minutes, padded in a 2 per cent solution of sodium bisulphite, dried and steamed for 45 minutes to obtain an orange and yellow pattern on a green ground.  The invention is particularly applicable to textile materials made of or containing cellulose esters or ethers but is also applicable to materials made of or containing other fibres, e.g. cotton, regenerated cellulose, silk or wool.