baber/WOPTO huggingface dataset:
Patent GB-1425970-A (GB)
Title: Apparatus for joining or repairing flat workpieces
IPC: B29C73/10
Filed: 1973-07-19
Abstract: 1425970 Seaming non-metallic sheet material H KUPER [trading as HEINRICH KUPER] 19 July 1973 [16 April 1973] 34380/73 Heading B5K A device for butt-joining flat workpieces 10, e.g. veneers or wood or cardboard sheets, or for repairing a crack or slit 17 in a flat damaged workpiece, comprises a carrier body 12 provided with a handle portion 11; a storage receptacle 13 located on the body 12 and capable of receiving at least one roll 15 of thread 14 provided with a thermoplastic adhesive coating; a pressing member 18 having heating means 20 associated therewith to soften the thermoplastic adhesive, the member 18 being adapted to apply the thread and softened adhesive in a direction transverse to the longitudinal direction of the butt-joint 16 or of the crack or slit 17 when the device is moved in a first direction and being adapted to cause severance of the thread 14 when the device is moved in a direction opposite to the first direction; and guide means 21 adapted to guide the thread 14 into the immediate vicinity of the member 18 in the direction of travel of the device in which the thread 14 and adhesive are applied to the workpiece(s). The member 18 has a cylindrical metallic heat-conducting body and terminates in a foot 19 having a flat or convexly curved end face. After application of the thread, the device is suddenly drawn back in the direction opposite to the first direction and the foot 19 severs the applied thread from the supply. An electrical heating device 20 heats the member 18 by conduction and/or radiation. The guide 21 comprises a capillary tube secured to the member 18 and heated by conduction from the member 18 and radiation from the device 20 so that the thread 14 is pre-heated in the tube 21. A rotatable pressing roller 22 is mounted on the body 12 by a cantilever arm 25 and particles of thread or adhesive are scraped therefrom by a tensioned blade (23), Fig. 2 (not shown). Two lateral rollers 24 are mounted on the body 12 rearwardly of the roller 22. The receptacle 13 is mounted on the handle portion 11 by a support arm 26 and has an aperture 27 in its base for the supply of the thread 14. In a modification (not shown), two or more threads are unwound simultaneously from separate rolls and applied to the workpiece(s).
Patent GB-1130745-A (GB)
Title: Pneumatic tyres
Inventor: HUBBARD GEORGE DOUGLAS
IPC: B60C9/18
Filed: 1965-08-12
Abstract: 1,130,745. Pneumatic tyres. DUNLOP CO. Ltd. 2 Aug., 1966 [12 Aug., 1965], No. 34473/65. Heading B7C. A pneumatic tyre having a radial cord carcass of textile cords comprises a breaker layer of a vulcanized composition having a hardness of at least 70 (British Standard Specification No. 903, Pt A7, 1957) and formed of a blend of natural or synthetic rubber and a natural or synthetic resin or resinous material. Preferred examples given of the latter component are isotactic polypropylene and a phenolic resin. Other examples both of the rubber and resin are specified. Preferably there are at least two such breaker layers, reinforced either with parallel textile cords or with oriented staple fibres making up to 25 degrees with the circumferential direction and being cross-laid. The staple fibres should be in a proportion of from 27-60% by volume of the composition and be at least 0À5 inch in length, and may be of cotton, polyethylene terephthalate, rayon, nylon or glass. The breaker may additionally or alternatively include an unreinforced layer of the composition and possibly one or more layers formed of a composition having a hardness less than 70 and reinforced with textile cords making up to 25 degrees with the circumferential direction.
Patent GB-302895-A (GB)
Title: Process for the manufacture of plate glass and sheet glass for window panes from pure fused transparent silica
IPC: C03B19/06
Filed: 1928-11-23
Abstract: 302,895. Quartz et Silice. Dec. 23, 1927, [Convention date]. Forming silica-glass articles.-Panes or sheets for windows are made of transparent fused silica by submitting a mass of opaque fused silica. which has been heated to a temperature of the order of 2000‹ C., to a high pressure which is maintained until solidification occurs. The opaque silica, preferably obtained by the method described in Specification 283,174, is squeezed or flattened-out either by rolling or by a suitable press exerting a pressure of 200-600 kilogrammes per square centimetre. The small bubbles which cause the opacity of the usual fused silica are compressed or destroyed by the high pressure, and they do not re-appear if the pressure is maintained until the silica is solidified.
Patent GB-283479-A (GB)
Title: Improvements in sharpening means for the cutters of cigarette making machines
IPC: B24B3/44
Filed: 1927-12-21
Abstract: 283,479. Universelle Cigarettenmaschinen Fabrik J. C. M³ller & Co. Jan. 10, 1927, [Convention date] Machine cutters, grinding in situ.-The fly cutter 1 of a cigarette rod machine is sharpened by one or more grinding-discs 18 carried by a support having radial arms 12 and rotated by a chain 11 about an axis at right-angles to that of the cutter. The pivot of the support is carried on a member 6 adjustable towards and from the cutter by bolts 7 and slots 8, and the bearing- members 15 carrying the discs 18 are adjustable on the arms 12 by bolts 16 and slots 17. In operation, as the grinding-discs move round in a horizontal plane, the cutter 1 moves across the end surface of one or other of the discs. In a modification, applicable to machines wherein the cutter rotates and reciprocates axially or wabbles, an additional pivoted movement in a horizontal plane is imparted to the grinding-discs, by means of a stationary cam, to follow the reciprocation of the cutter.
Patent GB-1510948-A (GB)
Title: Refreshing semiconductor memories
IPC: G11C11/406
Filed: 1976-08-19
Abstract: 1510948 Memory systems HONEYWELL INFORMATION SYSTEMS ITALIA SpA 19 Aug 1976 [20 Aug 1975] 34569/76 Heading G4A In a rechargeable semi-conductor memory system including two row addressable memory blocks, each block having a counter incremented by timing signals to provide an address for refreshing a row of a block when a row of the other block is being accessed and a refreshing cycle accumulator incremented by the timing signals and decremented each time a row in its associated block is refreshed, an interrupt signal is generated when the accumulator count reaches a predetermined level. As described block A, B comprise the odd/even rows of units (each unit itself having 64 rows) of a memory module, address signals (A0-A15) from a central processor providing signals to address a row in each unit (signals A0-A5), a column in the module (A6-A11), one of four rows in a block (A12-A14) and a block A or B (A 15 ). When a processor accesses block B (A15 = 1) the count in a counter 46A (Fig. 5) is fed via multiplexer (47A) controlled by the input from OR gate 40A as the row address for block A. When a refresh signal is generated by the processor, both OR gates 40A, 40B are enabled so that counts in both counters 46A, 46B are supplied as the row addresses to the blocks. The counters receive incrementing signals after each refresh signal. Each time one of the blocks A, B is accessed or refreshed a respective signal (CLDA, CLDB, Fig. 7, not shown) is generated to decrement a counter (80, 81) memorizing the recharge state of the associated block A or B. Pulses (CLUPO) derived every 60 microseconds from clocking circuitry (Fig. 6, not shown) increment both counters. When one of the two higher bits of either counter is "1", an OR gate (111) sets a bistable (90) to feed a low level interrupt signal to the processor and to set a bistable (96). This is reset if the processor commands a refresh operation in the next cycle. Otherwise a bistable (115) is set via an OR gate (114) to initiate a high priority refresh. The OR gate (114) is also enabled by the highest order bit of either counter.
Patent GB-407706-A (GB)
Title: Improvements in and relating to the drawing of bast and long leaf fibres
IPC: D01H5/22
Filed: 1932-06-20
Abstract: 407,706. Drawing-apparatus for bast and long-leaf fibres. STONE, M. B., Canton Avenue, Milton, and WILLIAMSON, W. P., Ludlow, both in Massachusetts, U.S.A. June 20, 1932, No. 34647/33. Convention date, June 20, 1931. Divided on 407,690. [Class 120 (ii).] A slip-draft device for use in a drawing- head for slivers of bast fibres such as flax, hemp, jute and ramie and long leaf fibres such as sisal and manilla comprises a pair of positively driven rollers one of which is driven by the other so that the surface speed of the parts in contact with the sliver is substantially the same and arranged so that they may separate in accordance with the thickness of the sliver without breaking the driving engagement. The device is shown in a drawing head as described in Specification 407,690 and comprises a pair of fluted rollers 7, 7<a>, Fig. 1, the roller 7 being positively driven and driving the roller 7<a> by means of the flutes. The part of the roller 7<a> engaging the sliver is reduced in diameter, Fig. 3, and the roller is mounted in a lever 8 so that it may move relatively to the roller 7 in accordance with the hickness of the sliver. Specification 21090/93, [Class 120], also is referred to.
Patent GB-1480376-A (GB)
Title: Azo-pyrazolium dyestuffs process for their preparation and their use
IPC: C09B44/14
Filed: 1974-08-07
Abstract: 1480376 Substituted pyrazoles PRODUITS CHIMIQUES UGINE KUHLMANN 7 Aug 1974 [8 Aug 1973] 34701/74 Heading C2C [Also in Division C4] 3(5) - Phenyl - 4 - nitro - 5(3) - aminopyrazole is prepared by treating 3(5)-phenyl-5(3)-aminopyrazole with acetic acid, acetic anhydride and nitric acid to give 3(5)-phenyl-4-nitro-5(3)- acetylaminopyrazole and then hydrolysing this with hydrochloric acid.
Patent GB-794093-A (GB)
Title: Improvements in or relating to printing telegraph apparatus
Inventor: HANDLEY JOHN
IPC: H04L17/24
Filed: 1954-01-25
Abstract: 794,093. Printing - telegraph receivers. CREED & CO., Ltd. Jan. 21, 1955 [Jan. 25, 1954], No. 34764/55. Divided out of 794,091. Drawings to Specification. Class 40 (3). The description is wholly included in Specification 794,091, but the claims relate to an aggregate motion mechanism for selectively positioning a type carrier under control of a rotatable cam sleeve in which spring means are incorporated to take up backlash of the aggregate motion mechanism by constantly urging cam followers linked with elements of said mechanism into operative relation with cams on the cam sleeve, and in which the cam followers are jointly controlled by the respective cams and by control members set in accordance with a signal combination.
Patent GB-999774-A (GB)
Title: Improvements relating to contrast control circuits for television receivers
IPC: H04N5/57
Filed: 1961-09-28
Abstract: 999,774. Gain control; television. TELEFUNKEN PATENTVERWERTUNGS G.m.b.H. Sept. 28, 1961 [Sept. 28, 1960], No. 34813/61. Headings H3Q and H4F. In television receiver the contrast control comprises a potentiometer 14 connected by adjustable resistor 15 to a negative voltage source and which serves to vary the suppressor grid potential of pentode video amplifier 5. Video signals are applied to the control grid of video amplifier 5 from the signal detector 1, and are fed from the anode to the picture tube 7. Video signals of which the amplitude is relatively unaffected by the setting of the contrast control are taken from the screen grid circuit of the video amplifier 5, which includes a load resistor 10 and are fed to the sync. separator 21 via time-constant circuit 19, 20. They are also fed via resistor 22 to an automatic gain control circuit comprising a valve 23 driven on the anode with line pulses, by way of capacitor 24. An undelayed control voltage is applied via line ZFV to the intermediate frequency stages of the receiver, and a delayed voltage to the RF stages, via line HFV and delay diode 25. To tender the output at the screen grid of the video amplifier 5 more nearly independent of the setting of the contrastcontrol, part of the voltage from the potentiometer 14 is applied to the control grid of the valve via potentiometer 16: it may in addition be used to control the bias on one or more intermediate frequency stages. Automatic compensation for changes in the ambient brightness level is provided by a light sensitive resistor 18 in parallel with potentiometer 14.
Patent GB-799356-A (GB)
Title: Improvements relating to variable linkage transformers
Inventor: STEPHENSON GEOFFREY HUSON
IPC: H01F29/12
Filed: 1953-12-15
Abstract: 799,356. Transformers. ELECTRIC & MUSICAL INDUSTRIES, Ltd. Dec. 3, 1954 [Dec. 15, 1953], No. 34832/53. Class 38 (2). A variable transformer comprises a number of primary windings wound in two groups 5a-11a, 5b-1. lb in slots in a cylindrical stator 1 and two secondary windings 15, 16 disposed mutually at right angles in slots in a rotor 2, the arrangement being such that when the primary windings are suitably energized, the secondary voltages vary substantially linearly with angular movement of the rotor. The primary windings which comprise more than one turn each, are all earthed at one end, and one from each group is connected to a respective tapping t1-t7 on an autotransformer 12 fed with A.C. at 13, 14, so that the number of volts per turn are substantially proportional to the area enclosed on the surface of the stator 1. One end of each secondary winding is connected to a separate slip ring, the other ends being connected to a common third slip ring. The two outputs can be combined together to give a continuous output. A short-circuited winding 17 is disposed in stator slots in the plane of symmetry of the primary windings.
Patent GB-1486659-A (GB)
Title: Automatic tray unloading device
IPC: A21C9/08
Filed: 1975-08-21
Abstract: 1486659 Discharging trays from a tiered trolley to a belt conveyer G V LINDBERG 21 Aug 1975 34834/75 Heading B8A A belt conveyer 9 is extendable so as to extract a tray 3 from its position on rails 2 of a trolley 1, so as to position the tray on a platform of a lift 4. The latter carries the tray up to a position 5 from which it is fed to a discharge conveyer by a reciprocating member 8. By progressively raising the conveyer 9, a whole tier of trays can be successively conveyed away from the trolley 1. The conveyer 9 can extend to either a forward position or a rearward position in the trolley 1. In this way two tiers of trays may be discharged in each position of the trolley. By moving the trolley a distance approximately equal to the length of a tray, other pairs of tiers (two pairs in all in the embodiment shown) may be discharged.
Patent GB-1256409-A (GB)
Title: Improvements in or relating to polymer dispersions
Inventor: BISSOT THOMAS CHARLES
IPC: C08J3/07
Filed: 1969-07-10
Abstract: 1,256,409. Olefin polymer dispersions. E. I. DU PONT DE NEMOURS & CO. 10 July, 1969 [11 July, 1968], No. 34884/69. Heading C3P. In the preparation of an olefin polymer dispersion, the olefin polymer is dissolved in at least one substantially water-immiscible solvent, the polymer solution is dispersed in water using an emulsifying agent and the solvent is evaporated, and when during the solvent evaporation the vapour temperature exceeds e.g. by 5- 10 C., the boiling point of the solvent-water azeotrope, there is added to the dispersion an antifoaming agent comprising at least one oil or wax selected from animal fat, vegetable oil, or a hydrocarbon derived from petroleum, preferably in an amount of 0.05-5% weight, based on the solids. Anti-foaming agents.-(i) High boiling (above 250 C) solid or liquid hydrocarbon mixtures derived from petroleum such as paraffins (alkanes), cycloparaffins and aromatics, including lubricating oils, fuel oils, refined paraffin waxes, and light and heavy liquid petrolatum ; (ii) animal fat such as lard; and (iii) edible oils of vegetable origin such as coconut, corn, cottonseed, palm, peanut, sesame; soybean and sunflower seed oils and hydrogenated derivatives thereof. Preferred solvents are benzene-isopropyl alcohol or cyclohexane-n-propyl alcohol Olefin polymers.-(i) Copolymers of 60-82% by weight ethylene and 40-18% vinyl alkanoate such as vinyl formate; acetate (preferred), propionate or butyrate; (ii) Copolymers of 55- 97% by weight ethylene and 3-45% of an α,#- ethylenically unsaturated carboxylic acid, the copolymer having 5-75% of the acid groups neutralized. α,#-ethylenically unsaturated acids mentioned in this context include acrylic acid, methacrylic acid (preferred) and aconitic, fumaric, itaconic and maleic acids. Acid deriva tives such as esters, amides and anhydrides may also be employed as monomers. Terpolymers of ethylene containing vinyl acetate and copolymerized acrylic acid or methacrylic acid wherein the acid content is from 0.5-10% by weight and the combined vinyl acetate and acid content is from 18-40%, are also mentioned. (iii) Copolymers of ethylene with ethyl acrylate, methyl methacrylate, isobutyl acrylate or vinyl chloride. Examples 1-4 are directed to dispersing ethylene/vinyl acetate copolymerin a solvent mixture of cyclohexane and n-propyl alcohol, in awater phase containing minor amounts of sodium dodecyl sulphate and sodium carbonate. During evaporation of the solvent (azeotrope b.p. 67 C.) foaming was counteracted with paraffin wax, mineral oil, peanut oil and cottonseed oil, respectively. Example 5 is directed to dispersing-ethylene/methacrylic acid copolymer together with oleic acid in a solvent mixture of cyclohexane and isopropyl alcohol, in a waterphase containing small amounts of sodium hydroxide and aqueous ammonium hydroxide. The anti-foaming agent was paraffin wax (azeotrope b.p. 66 C.).
Patent GB-890435-A (GB)
Title: Improvements in concrete and like mixers
Inventor: HAYTER DOUGLAS RICHARD
IPC: B28C5/18
Filed: 1958-10-30
Abstract: 890,435. Concrete mixers. HAYTERMIX Ltd. Oct. 30, 1959 [Oct. 30, 1958], No. 34905/58 Class 86. A dirigible self-propelled vehicle-mounted concrete mixer has a hydraulic-powered tiltable rotating mixing drum 119 mounted at one end and outside it a combined shovel and loading skip 120 carried on swinging arms 122 actuated by a hydraulic jack 126. Another hydraulic jack 128 tilts the drum, which is coaxial with a worm wheel enclosed in a housing 133 and driven by a worm in a housing 134, to one end of which is secured a hydraulic motor 135, (see Fig. 3 not shown). Power for the hydraulic system, (shown schematically in Fig. 6, not shown), is derived from the vehicle engine in bonnet 104a Fig. 1, which drives a pump 118, Fig. 2; controls 143d, 144d for the drum tilting and skip jacks 128, 126 respectively are provided within reach of the driver. The skip may be loaded by pushing it into the mass of material; it may be agitated when emptying by means of the jack 126 to free clinging material; raised above the drum loading position to the position shown in Fig. 2 when not in use; and lowered below the loading position for jacking up the vehicle. The vehicle may be propelled by the usual mechanical transmission between the engine and the driving wheels 102, or they may be fitted with hydraulic motors served by pipes from the pump 118; or the vehicle may have endless tracks. Specification 877,433 is referred to.
Patent GB-1433841-A (GB)
Title: Process for production of a simulated meat product
IPC: A23J3/26
Filed: 1973-07-23
Abstract: 1433841 Simulated meat product QUAKER OATS CO 23 July 1973 [24 July 1972] 35011/73 Heading A2B A puffed food product which upon rehydration produces a simulated meat is prepared by (a) subjecting an aq. proteinaceous mixture containing ¢-3% by wt. of an edible lubricant (based on wt. of non-fat solids) and at least 30% by wt. protein to shear, elevated pressure and/or elevated temp., (b) extruding the flowable substance in a uniform linear flow into a medium of lower pressure, (c) subjecting the extrudate in a confined space to a temp. of at least 212‹F for 15-75 secs and a pressure of 150-250 psi and then (d) suddenly releasing the pressure to cause the extrudate to puff, the product having a moisture content of 15-40% by wt., wherein the protein material is gelatin, microbiological protein, egg white, muscle protein, keratin, lactalbumin or blood. The edible lubricant may be vegetable oil, animal oil or fat, oil bearing cereals or grains, mineral oil, food grade stearates or polylactic acid esters of fatty acids. Corn and coconut oil are preferred. The extrudate may be dried to a moisture content of 15-25% by wt. prior to step (c).
Patent GB-350265-A (GB)
IPC: B64D17/38
Abstract: 350,265. Parachutes. LUNDHOLM AKTIEBOLAG C. H., 4, Võstra Tradgardsgatan, Stockholm.-(Assignees of Kuhlemann, S. O. C. ; 49, Hornsgatan, Stockholm.) June 26, 1930, No. 19517. Convention date, June 29, 1929. [Class 4.] The suspension straps 15 connecting the shroud lines 14 of a pack parachute with the aviator's harness are fastened to the pack 10 in such a manner that they can only be released by a pull in the shroud lines 14. An auxiliary strap 17 stitched to the straps 15 has a metal edged hole 18 fitted over a conical member 12 secured to the pack 10. The strap 17 is held by a pin 19 passed through the member 12 and connected by a cord 20 to a shroud line 14a in such a manner as to form a bight 14b. The straps 15 are thus held firmly until such time as extension and straightening of the shroud lines 14 causes withdrawal of the pin 19. In a modification the projecting member comprises a flexible loop of cloth, silk, or stranded wire through which the pin 19 may be passed. The hole 18 may be formed in the straps 15 and the auxiliary strap 17 be omitted.
Patent GB-1091422-A (GB)
Title: Thread
Inventor: PETTET DONALD EDWARD
IPC: D02G3/32
Filed: 1963-09-05
Abstract: A potentially elastic thread comprises a core of continuous filament spandex yarn and a cover yarn of less elastic staple fibres, the twist factor of the thread being at least 4.5 and the spandex yarn constituting from 5 to 20% by weight of the thread. It is stated that the thread has an elasticity of less than 10% but that on heat treatment either before or after being made up into textile articles the full elastic potential is realised. Suitable treatment comprises immersing the thread under little or no tension in hot water or steam.  As described a plurality of rovings of viscose rayon staple fibres are fed together with a stretched spandex yarn to the nip of a pair of rollers and from thence to a ring-spinner.  The thread produced is doubled. Specific  examples are given.