baber/WOPTO huggingface dataset:
Patent GB-114343-A (GB)
Title: Improvements in Locking Means for Speed-gear Operating-levers.
Inventor: GOOLD LEWIS WILLIAM
IPC: G05G5/02
Filed: 1917-03-30
Abstract: 114,343. Goold, L. W., (Johnson Automatic Lock Co.). March 30, 1917. Levers, locking. - Relates to means for locking the shifting- levers of variable-speed gears on automobiles &c. in the neutral position in order to prevent unauthorized use. A gear-lever 10, supported in a casing 6 so as to have free movement in two directions at right-angles, has a flattened end 15 moving between blocks 3 secured to the gearshifting rods 2. The lever may be moved laterally against the action of spring- pressed pins 5 into engagement with recesses in the blocks 3 and is then moved longitudinally to change the gear. A block 16 secured to a rod 19 slides on the lever 10 under the control of a Yale or other lock 26 in a recess in the lever. When the lever is in its central neutral position, the block 16 may be moved downwards and locked with recesses in its sides in engagement with the pins 5, so that the lever 10 is locked in its neutral position.
Patent GB-311684-A (GB)
Title: Improvements in and relating to printing wheels suitable for use in telegraphic receiving and printing apparatus
IPC: H04L13/18
Filed: 1928-02-14
Abstract: 311,684. Creed & Co., Ltd., and Creed, F. G. Feb. 14, 1928. Type-wheels.-In a type-wheel for type - printing telegraphs or other printing - apparatus, sliding typecarriers mounted in slotted discs are individually movable in opposition to a universal spring-device which preferably engages the front ends of the type-bars. The type-wheel shown in Fig. 1 comprises discs 2, 3 mounted on a square spindle 5 and formed with radial slots receiving sliding plates 7 provided with types 7<a>. The plates engage a disc 1 mounted on the spindle, and have shoulders 7b engaging a disc 4 which is connected by springs 8 to the disc 1. The discs 1, 2, 3 and a stop-arm 10 mounted on the spindle are separated by sleeves 13 and are clamped between a flange 5<a> and nuts 12. The spindle is mounted on the end 14a of a shaft 14 and is retained by a plate 15 and screw 16. The spindle is coupled to the shaft by means of a split ring 19 which engages a cup 17 on the shaft and has a lug engaging a lug 10<b> on the stop-arm. In the type-wheel shown in Fig. 8, the plates 7 are mounted in discs 2<a>, 3<a> secured on the rim 24<a> of a flange 24 formed on a hub 22. The plates engage an angle ring 25 and the shoulders 7b engage a disc 4<a> which is connected by springs 8a to a flange 23 on the hub. The disc 2<a>, 3a are separated by a sleeve which may be formed integrally therewith. A sheet-metal arm 26 riveted to the hub is formed with a stop-lug 26<a>, and a lug 26b for engaging the coupling-ring 19, Fig. 1. Specification 164,370 is referred to.
Patent GB-940452-A (GB)
Title: Electric signal circuits including repeaters
IPC: H04B3/44
Filed: 1960-02-10
Abstract: 940,452. Pulse signalling; transistor pulse amplifier circuits. WESTERN ELECTRIC CO. Inc. Feb. 10, 1960 [Feb. 19, 1959], No. 4680/60. Headings H3T and H4L. Relates to pulse signal repeaters for use in long-distance cable transmission systems. A message pulse source 1 at the West station is coupled to a coaxial line 10, e.g. an undersea cable, via a transformer 2 and blocking capacitor 3, and an auxiliary current from a source 4 is supplied via an adjustable regulator 6 and lowpass filter 5 to the line 10. At the East station the line 10 is coupled via a blocking capacitor 3<SP>1</SP> and transformer 2<SP>1</SP> to a pulse receiver 9, and a similar source of current 4<SP>1</SP> is connected via an adjustable regulator 6<SP>1</SP> and filter 5<SP>1</SP> to the line 10. The regulators are adjusted to pass a current of about 5 mA. At the repeater the core of the incoming cable is connected via the primary winding of an input transformer 15 and two silicon diodes 17, 18, in series, to the core of the outgoing cable, and as a result the auxiliary current develops a voltage of about 1.5 volts across the two diodes whose series resistance under these conditions is about 300 ohms. The two diodes in series provide the correct operating voltage for a transistor 20 whose emitter is connected direct to the anode of diode 17 and collector is connected via the primary winding of a feedback transformer 23 to the cathode of diode 18. Input pulse signals are supplied to the base of the transistor via transformer 15, a small temperature dependent bias being supplied from the series connected low resistance thermistor 26 and high resistance 27 shunted across the two diodes. In the absence of signals the entire auxiliary current flows through the diodes and the voltage developed across the diodes biases the transistor to cut-off. The arrival of a signal pulse causes the transistor to conduct and since the regulated auxiliary current greatly exceeds the signal pulse in magnitude the current drawn by the transistor is diverted from the diodes. Due to the flatness of the diode characteristic the potential of the collector remains nearly constant as the current increases until the point is reached when the transistor draws nearly all the current and the voltage across the diodes collapses abruptly, thus producing a pulse at the output of the repeater which is independent of the magnitude of the input pulse. This action is aided by positive feedback via the transformer 23. The transformer 15 completes one cycle of its secondary voltage swing in a single pulse interval so that the overshoot assists in returning the transistor to its non-conducting condition. A piezo-electro crystal 30 operating at the pulse repetition rate ensures correct pulse timing. In the case of short cables the diodes 17, 18 may be replaced by Zener diodes. Specifications 425,639 and 697,880 are referred to.
Patent GB-397534-A (GB)
Title: Improvements in or relating to the production of colourations on materials made of or containing organic derivatives of cellulose
IPC: C09B51/00
Filed: 1932-02-17
Abstract: Materials made of or containing cellulose esters and ethers are coloured by applying thereto and retaining in the materials a compound containing two aryl radicles or aromatic residues united directly by a single linkage which compound contains a single amino group and a single nitro group in ortho relationship to each other. The amino group and also the nuclei may be further substituted.  The dyestuffs may be applied in the form of dispersions (cf. Specifications 219,349, 224,925, 242,393, 242,711, 269,960, 273,819, 273,820, 322,737, and 323,788, [all in Class 15 (ii), Dyeing, Processes &c. for]). Preparations containing the dyestuffs and dispersing agents are also referred to.  In examples, cellulose acetate alone or mixed with cotton or viscose (which may be dyed with a direct cotton dye) is coloured with (1) 3-nitro-4-aminodiphenyl, (2) 3-nitro-4-amino-4<1>-chlorodiphenyl, (3) 3-nitro-4-amino-2 : 2<1>-ditolyl.  Yellow shades fast to light and volatilization are obtained.  Specification 283,253, [Class 15 (ii), Dyeing, Processes &c. for], also is referred to.
Patent GB-485696-A (GB)
Title: Improvements in drawing mechanisms for preparing and spinning machines
IPC: D01H5/74
Filed: 1937-02-18
Abstract: 485,696. Drawing-mechanism for preparing and spinning machines. DEVAUX, P. Feb. 18, 1937, No. 4876. Convention date, April 28, 1936. [Class 120 (ii)] In drawing-mechanism for preparing and spinning machines wherein two rollers arranged close to the nip of the front rollers are driven magnetically by a rotary shaft, such shaft 12 is driven from the bottom intermediate roller. The shaft 12 drives a pair of rollers 10, 11 serving, as shown, two spindles and carried at their centre portions by brackets 13 resting on the front and intermediate bottom rollers, and at their ends by bearing brackets 18, Fig. 3, adjustably secured to the cap bars. The rollers 10, 11 and their driving-shaft may be withdrawn as a unit by the bracket 13. The roller 11 may be a magnet in order to increase its effective pressure. A cover piece 22 prevents withdrawal of the driving-shaft from the bracket 13 and side wings thereon may serve as guides for the roving. The contacting parts of the driving-shaft and its actuating roller may be suitably proportioned to give the appropriate speed to the roller 10. The rollers and driving-shaft may be differently coloured to distinguish them and to facilitate assembly. The roller 10 is cleaned by a member 27 in the form of a knife, and the roller 11 by a roller 30. When applied to a mule, the weighting-stirrup 31, Fig. 22, is cranked to avoid the brackets 13, and slotted to clear the saddle piece 34. The Specification as open to inspection under Sect. 91, comprises also, in the application of the invention to a mule, a roller which serves to clean the roller 10 and the magnet shaft 12, and a stop to hold the shaft 12 in place. This subject-matter does not appear in the Specification as accepted.
Patent GB-1038328-A (GB)
Title: Improvements in and relating to the milling of cereal grains
IPC: B02B3/12
Filed: 1965-02-04
Abstract: 1,038,328. Hulling and debranning grain. RIVIANA FOODS Inc. Feb. 4, 1965 [Feb. 6, 1964], No. 4916/65. Heading A2Q. An apparatus for hulling and debranning cereal grains (e.g. rice) comprises a toroidal chamber 12, grain inlet 26 and outlet 30, and one or more nozzles 20 which introduce air substantially tangential to the outer boundary 18 of the chamber 12, at or near the speed of sound. The inlet 26 and outlet 30 are provided with closure means 28 and 32 respectively which are opened and closed automatically by cycling means (not shown). The inlet 26 is supplied with grain from a hopper (not shown) and the outlet is in communication with an aspirator or cyclone for separating the unwanted particles from the debranned grain. The nozzle 20 may have a convergent section and a divergent section. The chamber is provided with air outlets 34. Ground particles (e.g. acrylic resin) may be introduced into the chamber 12 to assist in the debranning process.
Patent GB-895896-A (GB)
Title: Improvements in speedometers
IPC: G01P1/12
Filed: 1960-02-12
Abstract: 895,896. Speedometers; temporary recorders. VDO TACHOMETER WERKE A. SCHINDLING G.m.b.H. Feb. 12, 1960 [Feb. 21, 1959], No. 5143/60. Classes 106 (3) and 106 (4). In a known speedometer a temporary speed indication is given by recording pins 19 guided in radial slots 18 of a rotatable recording disc 17 moved stepwise in accordance with the spacing of the slots. During a static period of the recording disc 17, the pins 19 are moved by a rhythmically-operated adjusting finger 21, the adjustment being limited by an abutment 33 controlled by the speed-measuring mechanism and adjusted in dependence on the speed before the termination of a rotation of the recording disc 17 and the pins 19 are moved back into the starting position by a restoring finger 22 which also operates in rhythm. To enable a pin 19 to be reset and set in successive static periods the operative path of the restoring finger 22 is arranged adjacent that of the adjusting finger 21. By forming the restoring finger 22 with steps of width corresponding to the spacing of the slots 18 the pins 19 in several juxtaposed slots may be partially restored at each reciprocation of the connecting rod 26. A crank 11 with pawl 12 for advancing the disc 17 through a toothed ring 14, an eccentric 24 for reciprocating the connecting-rod 26 carrying the restoring finger 22 and a cam 31 for reciprocating the setting finger 21 are all driven from a shaft which drives the speed measuring apparatus and they may all be arranged on a single shaft 10 as in Fig. 8. The abutment 33 set in accordance with speed through gearing on the speedometer pointer shaft 3, may be in the form of a ramp, Fig. 7, or cam, Fig. 8. To avoid parallax errors the front ends of the pins 19 are flush with the disc 17 and the circular scale graduations are marked on the spaces between the slots 18. If it is desired to modify the speedometer for higher speeds without increasing the size of the recorder the outermost position of a pin 19 may indicate that a certain speed is being exceeded, the ramp 33 being formed with a horizontal section 33a, Fig. 7a, or a portion 33c of the cam, Fig. 8, being of constant radius.
Patent GB-671579-A (GB)
Title: Process for manufacturing polydimethylsiloxane diols
IPC: C08G77/00
Filed: 1950-03-01
Abstract: Polymeric dimethylsiloxane diols are prepared from completely condensed polydimethylsiloxanes, i.e. those containing no detectable amount of silicon-bonded hydroxyl groups, by heating the siloxane with at least 1.6 mol. per cent of steam, based on the dimethyl siloxane unit, at a temperature from 200 DEG  C. to 400 DEG  C. and at superatmospheric pressure.  The preferred proportion is 1 mol. water to 1 mol. siloxane unit.  Above 4 mols. of water per mol. siloxane unit, methyl groups may split off, but this tendency can be prevented by adding 10 per cent by weight of glacial acetic acid to the reaction mixture or saturating the reaction mixture with carbon dioxide.  The starting materials are heated for 3-12 hours at a pressure, preferably at least 225 p.s.i., depending on the temperature.  The products are liquid diols having 5 to 61 (CH3)2SiO groups per molecule together with cyclic dimethylsiloxanes which may be removed by distillation.  The starting materials range from hexamethylcyclotrisiloxane upwards to soft non-flowing high polymers. The products are stable in ammonium hydroxide but condense readily in strong acid or alkali. They are useful in forming aqueous siloxane emulsions for use as mould release and waterproofing agents.
Patent GB-511846-A (GB)
Title: Improvements relating to the heat treatment of metals and the like
IPC: C21D9/58
Filed: 1938-02-19
Abstract: 511,846. Electric heating. ELECTRIC RESISTANCE FURNACE CO., Ltd., and MILLAR, W, J. Feb, 19, 1938, No. 5259, [Class 39 (iii)] Apparatus for the continuous annealing or other heat treatment of metal wire or strip comprises a tank or container 1 mounted in a setting 2 of refractory material and containing a body 3 of fused salt which is kept in the molten condition by heating electrodes 4. The wire or strip 12 is fed by rollers 13 through sealing flaps 15, 16 of sheet asbestos or other suitable material round drums 7, 8 mounted on shafts 5, 6, the bearings of which are secured to the frame 10 of the removable cover 9. The wire then passes over a roller 17 out through an opening 18 provided with a drip plate 19 and then under rollers 21 immersed in water or other suitable cleaning liquid in a tank 23.
Patent GB-234202-A (GB)
Title: Improved treatment of soy beans
IPC: A23L11/30
Filed: 1924-03-01
Abstract: 234,202. Berczeller, L. March 1, 1924. Processes of treating seeds; removing bitter priniciples.-Soya beans are heated and then subjected to saturated steam for a period of about 10 to 12 minutes to eliminate objectionable constituents. The beans may be agitated in a steam-jacketed vessel, into the upper part of which steam is passed. Alternatively the beans may be dropped into a heat-insulated vessel, which becomes so hot that the beans are rapidly heated and do not condense moisture from the steam supplied from below. The beans may be germinated or husked before treatment, and are subsequently dried, e.g. by exhausting the vessel, and then ground.
Patent GB-1400664-A (GB)
Title: Protected glass
IPC: C03C17/32
Filed: 1973-02-05
Abstract: 1400664 Corrosion-resistant vessels CARLZEISS STIFTUNG [trading as JENAER GLASWERK SCHOTT & GEN] 5 Feb 1973 [10 Feb 1972] 5491/73 Heading B1X [Also in Division B5] A protective glass plate for use as an inspection or observation glass plug to close on inspection or observation aperture in the wall of a vessel adapted to contain corrosive liquid media, comprises an unprotected glass plate having a transparent film of synthetic plastics wrapping material which is resistive to corrosive media, the film having been bent over the edge surface(s) round the whole of the edge(s) of the plate. The film may be a polymeric fluorinated hydrocarbon such as tetrafluoroethylene/hexafluoropropylene copolymer. The hollow film may be of thickness 0.01 to 0.1 mm. The glass may be a silicate or borosilicate glass.
Patent GB-554009-A (GB)
Title: Fluid tank
IPC: B64D37/06
Filed: 1941-04-29
Abstract: 554,009. Tanks. MARTIN CO., G. L. April 29, 1941, No. 5552. Convention date, May 31, 1940. [Class 69 (i)] A rigid fuel &c. tank, preferably of light aluminium alloy, contains a flexible self-sealing cell which is of greater dimensions than the tank and is free from the latter, the cell being formed of layers of which the innermost is of substantial resistance to the liquid contents of the tank, and the outermost one is of a substance soluble in said liquid. The cell may comprise an inner layer 6 of material such as Neoprene or other artificial rubber, or fabric impregnated therewith, this layer being fixed by artificial rubber or other fluid-resistant cement to a layer 10 of resistant material such as Neoprene sheet ; outside this layer is a layer 14 of material soluble in the liquid such as plastic crude rubber free from vulcanizing agents, and a layer 18 of soft vulcanized rubber, these layers being also attached together and to the layer 10 by resistant cement. The joints in the various layers are staggered.
Patent GB-820981-A (GB)
Title: Improvements in or relating to compositions for the preservation and fire-proofing of wood, timber and other combustible materials
Inventor: WALLACE ELIZABETH MAUDE
IPC: B27K3/32
Filed: 1957-02-19
Abstract: 820,981. Fire-proofing and preserving wood &c. CELCURE & CHEMICAL CO. Ltd. Feb. 7, 1958 [Feb. 19, 1957], No. 5583/57. Class 140. A composition for fire-proofing and preserving wood and other combustible materials such as fibreboard comprises a bichromate, boric acid, monoammonium phosphate, a sulphate or chloride of copper, zinc, or nickel, and a sequestering agent such as sodium hexametaphosphate. Ammonium sulphate may also be included. An aqueous solution of the composition is admitted to an evacuated tank containing the material to be treated and pressure then applied. A typical composition comprises boric acid 14%, sodium hexametaphosphate 30%, monoammonium phosphate 37%, sodium bichromate 9.5%, copper sulphate 8.5%, and chromium acetate 1%. Specification 546,246, [Group III], is referred to in the Provisional Specification.
Patent GB-810532-A (GB)
Title: Improvements in silicone elastomers
IPC: C08G77/00
Filed: 1957-02-19
Abstract: A vinyl-containing siloxane, co-vulcanizable with a natural or synthetic rubber to yield an elastomer, is made by condensing a mixture of (1) a cyclic siloxane of the formula [R2SiO]m, and (2) 0.1-10 per cent by weight of (1) of CH2=CHSi(OR1)3, where m is at least 3, each R is an alkyl, cycloalkyl, aryl, alkaryl, aralkyl or haloaryl radical, at least 50 mol. per cent of the radicals being methyl radicals, and each R1 is alkyl, and hydrolysing the alkoxy groups in the resulting polymer.  The condensation may be effected by using a known rearrangement catalyst, e.g. potassium, caesium or rubidium hydroxide; and the hydrolysis is preferably carried out above 100 DEG  C. with subsequent removal of excess water and alcohol formed during hydrolysis.  The resulting polymer may then be covulcanised with natural rubber or butyl, styrene-butadiene, nitrile, neoprene, polyacrylic ester, polysulphide, isobutylene or other siloxane gum, using as vulcanizing agents, sulphur, sulphur halides or sulphides, cure accelerators, e.g. mercaptobenzothiazole, diphenylguanidine, tetramethylthiuramdisulphide, zinc dimethyldithiocarbamate or benzothiazodisulphide, accelerator activators, e.g. zinc oxide and stearic acid, reinforcing fillers, e.g. carbon black, zinc oxide, clay, whiting, slate flour and silica, softeners, odourants and pigments.  A preferred vulcanisable mixture comprises (by weight) (A) from 45 to 99 per cent of a mixture of 25 to 95 per cent of natural or synthetic rubber gum and 5 to 75 per cent of the siloxane gum; (B) from 0 to 50 per cent of a filler; and (C) from 1 to 5 per cent of a sulphur-curing agent; and optionally from 0.5 to 5 per cent of an accelerator and from 0.5 to 5.0 per cent of an accelerator activator.  In examples, octamethylcyclotetrasiloxane was heated to 150 DEG  C. with vinyltriethoxy silane in the presence of caesium hydroxide until polymerization appeared to be complete, whereupon water was added until evolution of alcohol ceased.  The resulting gum (2) was milled with butyl rubber, carbon black, sulphur, benzothiazyldisulphide and zinc oxide, and press-cured at 150 DEG  C.; (3) similar covulcanisates were made using natural crepe gum, a nitrile gum and a butadiene-styrene gum.  Uses.-The mixtures are useful as dielectric material in transformers and capacitors and as intermediates in making covulcanized rubbery products; the products find use as gasket material, wire coating material, fillers for electrical cables, encasing materials for transformers, capacitators, &c., aircraft tyres and rubber tyres or structural parts for automotive vehicles and military equipment.
Patent GB-387844-A (GB)
Title: Improved manufacture of writing inks
IPC: C09D11/16
Filed: 1932-02-25
Abstract: In order to reduce precipitation in, and corrosion of steel ribs by, inks containing iron compounds and tannic acid, a substance or a mixture of substances is added to convert the electrical charges on the colloidal particles to a positive charge.  The substance may be an element of the fifth group of the periodic table or a compound thereof.  In an example, arsenic acid is added to an ink consisting of a mixture of aqueous solutions of gall nuts, aniline blue, and ferrous chloride, together with small amounts of glycerine, hydrochloric acid, and phenol.
Patent GB-573335-A (GB)
Title: Improvements in or relating to pressure cabins for aircraft
IPC: B64D13/04
Filed: 1942-04-30
Abstract: 573,335.. Armouring vehicles. WESTLAND AIRCRAFT, Ltd., PETTER, W. E. W., and RICHARDS, S. T. A. April 30, 1942, No. 5844. [Class 92 (i)] [Also in Group XXXIII] A pressure cabin for aircraft has a substantial part of its shell composed of bullet-resisting material thicker than is required by considerations of pressure. Aluminium or magnesium light alloy plates or sheets are used diminishing in thickness towards those areas where glancing shots are most likely but steel bulkheads are used where shots more nearly normal to the surface are to be expected. Fig. 1 shows a cabin in which plates f, j, k, n, o, p, q, r, curved to the required contour are secured together at their edges by butt straps and countersunk rivets. The plates are thicker near the pilot's feet than near the shoulders. Steel bulkheads a, b of homogeneous hard armour are placed before and behind the cabin and a light fairing d forms the nose. The cockpit is bounded by a strong casting e to which the side plates f and a wind-screen g are secured as well as a front plate w. Castings i extend from the forward spar of the wing and form the wing ends, the plates n, o, p, q, r being secured to these castings. A stay h braces the sides of the cabin together. A sliding transparent hood is provided. Lagging material u such as sponge, cork sheet, or wool or kapok covers the inside of the cabin with an inner lining.