baber/WOPTO huggingface dataset:
Patent GB-306947-A (GB)
Title: Improvements in the regeneration of carbonated ammoniacal solutions
IPC: C10K1/12
Filed: 1929-02-14
Abstract: 306,947. Soc. L'Air Liquide, Soc. Anon. pour I'Etude et l'Exploitation des ProcÚdÚs G. Claude, (Assignees of Soc. Chimique de la Grande Paroisse Azote et Produits Chimiques). Feb. 29, 1928, [Convention date]. Purifier waste, revivifying. - In regenerating carbonated ammoniacal solutions by first heating crude liquor by means of regenerated solution to a temperature below that required to free carbon dioxide, and then to a higher temperature, the regenerated solution is heated immediately after regeneration and is brought in counter-current into indirect contact with the crude solution. The carbonated solution heated to about 65‹ C. by the regenerated solution in a heat exchanger D enters at G a rectification column A. Imperforate steam pipes I heat the regenerated solution, which is raised by a pump C through double-bottomed plates B in the column to heat indirectly the descending solution and then passes by pipes K, L to be cooled in the heat exchanger. Vapours, including carbon dioxide and hydrogen sulphide, rising above the inlet G are washed by cold untreated liquor added at N and further cooled by water circulated through pipes 0, P. Carbon dioxide liberated at R may be used to combine with any free ammonia in an untreated solution.
Patent GB-271821-A (GB)
Title: Improvements in and relating to axle structures and driving mechanism for motor vehicles
IPC: B60K17/16
Filed: 1927-02-22
Abstract: 271,821. Reik, H. May 29, 1926, [Convention date]. Axles; frame components, forms of.- The axles or casings 1 2 of the lateral driving shafts a, b of the road wheels are so mounted on a. central tubular frame 3 'as to oscillate about the. centre 0<1> of the main driving shaft 9 which is below the shafts a, b as shown. The axles are' formed with bearing sleeves coacting with a twopart casing 5, 6.
Patent GB-535967-A (GB)
Title: Improvements in fire extinguishers
IPC: A62C13/00
Filed: 1940-03-19
Abstract: 535,967. Fire-extinguishers. PYRENE CO., Ltd., KING, E. C. F., and GODDING, A. E. March 19, 1940, No. 5131. [Class 47 (ii)] In a fire-extinguisher of the type in which a glass bottle 4 containing sulphuric acid &c. is carried in a metal frame 3 suspended from the head 2 of a container 1 for sodium bicarbonate &c. the bottle 4 is buffered against shock by a lead sheath 5. This is cut from a blank and wrapped round the bottle so as to leave an oblique gap or window 6, the top and bottom edges of the blank being formed with triangular projections 7 which are bent over the top and bottom of the bottle. In another construction, a cylindrical sheath is used. In a further construction, the bottom of the bottle rests on a rubber washer, and a rubber ring surrounding the bottle neck fits tightly against the metal frame 3. In a still further construction, the rubber ring fits round the body of the bottle and a coiled spring bears against the shoulder of the bottle and the inside of the head of the extinguisher.
Patent GB-212892-A (GB)
Title: Device for measuring the wattless load or wattless energy in single or polyphase alternating current circuits
IPC: G01R11/48
Filed: 1924-02-28
Abstract: 212,892. Landis et Gyr Soc. Anon. March 14, 1923, [Convention date]. Special quantities, registering.-A meter 1 for measuring the wattless energy of a single or polyphase circuit has two counting-trains 2, 3 governed by a power-factor relay 6. A conducting arm 8 on the spindle 7 of the relay 6 normally rests against an insulated stop 10. If the power-factor decreases below a predetermined value the arm 8 rotates in the direction of the arrow 11, contacts with a conducting stop 9<1>, and closes the circuit of an electromagnet 5 which causes the high-rate counter 3 to be put into gear in place of the lowrate counter 2.
Patent GB-231640-A (GB)
Title: Improvements in or relating to internal combustion engines of the two-stroke type
IPC: F02B25/00
Filed: 1924-02-29
Abstract: 231,640. Hobart, A. Feb. 29, 1924. Two - stroke - cycle engines.-A priming cup i is attached to the valve casing of the auxiliary valve m, through which air is drawn into the transfer passage l to enter the cylinder in front of each charge compressed in the crank-case. A ball p acts as suction valve to the air inlet.
Patent GB-944253-A (GB)
Title: Improvements relating to structures
Inventor: MORLEY JOHN GODFREY
IPC: D04H3/12
Filed: 1961-02-11
Abstract: 944,253. Fibrous fabrics. ROLLS-ROYCE Ltd. Feb. 9,1962 [Feb. 11, 1961], No. 5186/61. Heading D1R. A structure comprises two or more layers of inorganic, non-metallic, fibres having a metallic coating, the layers being contained in superimposed parallel planes and the fibres of each layer being arranged in laterally spaced apart relationship and having their longitudinal areas disposed at an angle to the longitudinal axes of fibres in adjacent layers, the fibres being joined together by fusion of the metallic coating at the points of contact of the fibres with adjacent fibres. In a particular embodiment inorganic fibres 10, such as silica, are provided with coatings 12 of metal such as aluminium and several sheets of such fibres, each arranged with the longitudinal axes of the fibres parallel, are arranged on top of one another with their longitudinal axes arranged at right angles to each other. Heat is applied to the superimposed sheets as that fusion of the metal coating occurs at points of contact between adjacent sheets of fibres to form a block-like structure. Alternatively the coating may be formed of two or more layers of different metals.
Patent GB-1028842-A (GB)
Title: Improvements relating to air-cooled resistances of strip or wire
IPC: H01C3/10
Filed: 1963-02-08
Abstract: 1,028,842. Fixed resistors. LICENTIA PATENT-VERWALTUNGS-G.m.b.H. Feb. 8, 1963 [Feb. 15, 1962], No. 5227/63. Heading H1S. An air-cooled resistance comprises a flexible wire or strip 6, Fig. 1, arranged in zig-zag fashion in a supporting frame 1, the wire or strip element being passed freely through loops or hooks 5 of heat resistant metal, e.g. chrome nickel, mounted in insulators 7 on members 3 mounted via further insulators 4 on brackets 2 on the frame 1, at least some of the suspension loops or hooks being adjustable. Four alternative embodiments of the element suspension device are shown. Fig. 2 shows one embodiment in which the resistance strip 6a passes through a loop 5a formed of wire secured in the insulator 8. Fig. 4 shows another embodiment in which the suspension loop is formed of strip material and is provided with a section 12 having a large radius of curvature to support the element strip 6a. In another embodiment the loop supporting the element is attached to the insulator by a nut on a screwed rod so that the tension in the element may be varied by adjustment of the nut, Fig. 5 (not shown). In a further embodiment, Fig. 6 (not shown), the loop supporting the element 6b is spring-loaded to tension the element.
Patent GB-1041182-A (GB)
Title: Improvements in or relating to ion indicating devices
IPC: B01J47/14
Filed: 1963-02-08
Abstract: An ion sensitive device comprises a strip of resiliently flexible material, to one side of which is bonded a dimensionally sensitive ion exchange material which varies in dimensions according to the adsorbed ion, resulting in curvature of the strip.  The resilient strip may consist of inert plastics, metal or other inert material and the ion exchange material may be cemented, welded or otherwise fixed thereon.  The ion exchange material may be employed in the form of rods, beads or other shapes, pressed into or otherwise fixed to one side of the base material or, alternatively, an ion exchange resin may be cast directly on to one side of the base material in liquid or plastic state.  The preferred ion exchange resin is a sulphonated cross-linked polystyrene.  The movement of one end of the device (the other end being fixed) may be amplified in known means and in particular the ion sensitive strip may be formed as a spiral, one end being fixed and the other end being attached to a spindle carrying a pointer.  The ion sensitive strip may be mounted in water treatment equipment so as to be visible or alternatively the curvature of the strip may initiate a regeneration process when a main ion exchanger becomes spent.
Patent GB-1039021-A (GB)
Title: Epoxy resin compositions
IPC: C08L63/00
Filed: 1963-02-08
Abstract: An epoxy resin composition which cures at room temperature comprises (1) a polyglycidyl ether and (2) an amino group-terminated polyamide from (a) a polymeric fat acid or a saturated aliphatic dicarboxylic acid having 4-10 carbon atoms, and (b) excess of a damine of formula H2N-CH2-CH(R1)-CH2-(-OCH(R)CH(R)-) -nOCH2-CH(R1)-CH2NH2 in which n is an integer from 1 to 40; R1 is H or methyl, and each R is H or alkyl, any two R's attached to adjacent carbon atoms together containing not more than 4 carbon atoms. Where the polyamide is the sole hardener, sufficient is present to provide 0.3-0.8 amino groups per oxirane group.  Polyglycidyl ethers mentioned are those available under the Trade Names EPON 828, EPON 1310, DOW 2673.2 and DEN 438.  A suitable polymeric fat acid is EMPOL (Registered Trade Name).  The compositions may include finely divided inert matter such as carbon black, silica, clays, zinc sulphide, micalith, asbestos fibre, powdered inert resins, powdered metals or metal oxides.  Suitable polyamides are prepared from diethylene glycol bis-(3-aminopropyl) ether and (A) EMPOL 1022, (B) EMPOL 1018, or (C) azelaic acid; or from a diamine of formula H2N(CH2)3-(-OCH(CH3)CH2-)4 -O(CH2)3NH2 and (D) succinic acid, or (E) adipic acid.  In Examples:  (1) A liquid polyglycidyl ether was cured with Polyamide A and diethylene triamine in presence of chlorinated biphenyl and dimethyl silicone anti-foaming agent. Talc may be present as a filler.  (2) The composition is similar but contains talc and Bentone 38 (Registered Trade Mark) as fillers.  (3) Is similar to (1) with polyamide B in place of polyamide A.  (4) Polyamide C was used to cure a liquid polyglycidyl ether.  Dimethyl formamide may be present as a solvent. The composition may be used as an insulating coating on copper foil, e.g. in making printed circuits.  (5) Liquid polyglycidyl ether, polyamide D and diethylene triamine give a self-curing composition. (6) Liquid polyglycidyl ether was cured with a mixture of polyamide E and a hardener known as GENAMID 250 (Registered Trade Mark). Other co-hardeners for use with a polyamide of the invention are aminoethyl piperazine, and diethylene glycol bis-(3-aminopropyl) ether. The ingredients of the compositions may be marketed in separate containers in a single package.  The cured products have good resistance to thermal and mechanical shock and are useful as electrical insulation or for encapsulating electrical apparatus, e.g. the stator of an electric motor.
Patent GB-665829-A (GB)
Title: Improvements in extensible connectors for bracelets
IPC: A44C5/24
Filed: 1948-02-23
Abstract: 665,829. Bracelets. RITTER, S. Feb. 23, 1948 [Sept. 21, 1945], No. 5327/48. Class 43. An extensible folding clasp for a bracelet comprises a primary member 12 in which a latch bar 20 positioned by a spring 25 is slidable, a second member 11 hinged at one end to the bar 20, and a third member 10 hinged to the second member, a lug 32 on the third member 10 being adapted to snap past a notch 34 in a longitudinal flange 35 of the primary member to lock the clasp in its folded position upon spring-urged endwise movement of the bar 20, release being effected by endwise movement of the primary member 12 in opposition to the spring 25 and relative to the second and third members 11, 10. One end 31 of the bar 20 has downwardly extending ears 26 guided in channels 21 formed by the side walls of the primary member 12, while the other end 27 extends into a housing 28 formed at the outer end of the cover and containing the spring 25. As the members are pressed together after folding, inclined lugs 32 in the side walls 33 of the base 10 slide up the edges of notches 34 in flanges 35 on the side walls of the primary member 12, the base 10 moving relative to the primary member in opposition to the spring 25 until the lugs are above the flanges 35, whereupon the base is returned by the spring so that unnotched parts of the flanges 35 lie beneath the lugs. A slide 13, guided below the bar 20 in the channels 21 of the cover and having one end 18 connected to the watch strap, is adjusted to take up slack by engaging a pawl 22 thereon with one of several teeth 23 on the member 11. To unlock the members the primary member 12 is pulled slightly upwards and longitudinally (in the direction of the arrow X of Fig. 5 which shows the device ready to be unfolded) in opposition to the spring 25 so that the lugs 32 are aligned with the notches 34.
Patent GB-878802-A (GB)
Title: Production of unsaturated aliphatic aldehydes and the corresponding acids
Inventor: BETHELL JAMES ROBERT
IPC: B01J37/00
Filed: 1959-02-17
Abstract: Acrylic acid or methacrylic acid is obtained by reacting at an elevated temperature in the vapour phase acrolein or methacrolein respectively, or a compound which gives rise to acrolein or methacrolein under the reaction conditions, with oxygen over an oxidising catalyst comprising (i) a mixture of the oxides of molybdenum and cobalt and/or (ii) a compound of molybdenum, cobalt and oxygen.  The catalyst may be deposited on a support, such as silica or alumina, and may contain minor quantities of tellurium oxides.  Propylene or isobutene may be used as starting materials and these are converted to acrolein or methacrolein respectively under the reaction conditions.  Preferably the reaction is carried out in the presence, as diluent, of a gas which is substantially inert under the reaction conditions, e.g. nitrogen, propane, butane, isobutane, carbon dioxide and steam. Preferably steam, nitrogen or mixtures thereof are used.  The preferred temperature range for carrying out the reaction is 300-500 DEG C.  Specifications 625,330, 648,386 and 878,803 are referred to.
Patent GB-548974-A (GB)
Title: Improvements relating to the production of glass fibres
IPC: C03B37/081
Filed: 1941-04-29
Abstract: 548,974. Heating glass by electric resistances. EDWARDS, A. E. April 29, 1941, No. 5551. Convention date, April 29, 1940. [Class 39 (iii)]  [Also in Group XXIII] In making glass fibres, molten glass is drawn from nipples preferably formed in a metal bushing, as described in Specifications 482,085 and 509,007, [both in Group XXIII]. According to the present invention, the bushing 212, Fig. 4, is formed with several rows of nipples k, and some of the rows are arranged at different levels from other rows in order to facilitate the uniform cooling of the nipples. Preferably the nipples in each row are staggered in relation to those in adjacent rows. Blowers 220, on opposite sides of the bushing, are held adjustably against the underside of the furnace and direct blasts of air, steam or other cooling medium against the nipples and the threads of glass issuing from them. The nipples may be arranged in concentric circles on a bushing 312 which is circular in shape, as shown in Fig. 5, and may serve as a heating resistance surrounded by a circular blower 320. When using this form of apparatus, preferably the glass is melted in a circular opentopped vessel 330 of platinum or platinum alloy, which serves as a heating resistance and is suspended in the bushing above the level of the glass therein. The vessel is suspended by connecting- leads 332, and diametrical webs 334 extend across the vessel to bring the central part of the vessel to a high temperature. Glass marbles or cullet is introduced into the centre of the vessel through a shoot 337, and the molten glass flows over the rim of the vessel after passing through screens 336.
Patent GB-230262-A (GB)
Title: Improved hydraulic drive for paddle wheel vessels
IPC: B63H23/00
Filed: 1924-03-04
Abstract: 230,262. Lentz, H. March 4, 1924. Driving-arrangements for paddle-wheels.- Ships' paddle-wheels a are driven by an hydraulic motor g supplied by a pump f driven by a prime mover c, the pump and motor shafts being transverse to each other. In a modification, the paddle-wheel shaft is divided, each half being driven by an hydraulic motor, supplied by a common pump or independent pumps.
Patent GB-525371-A (GB)
Title: Improved process for dyeing casein artificial fibre
IPC: D01F4/00
Filed: 1939-02-20
Abstract: 525,371. Artificial filaments etc.; dyeing processes. DOSNE, H. Feb. 20, 1939, No. 5582. Convention date, Feb. 28, 1938. [Classes 2 (ii) and 15 (ii)] Fast coloured threads, staple fibre, artificial straw, ribbons, and other shaped structures are made from an alkaline casein mass to which there has been added an aqueous solution of a sulphuric acid ester salt of a leuco-vat dyestuff. The colour is developed by means of an acid oxidizing treatment during the spinning or shaping operation or at any period of the manufacture after the shaping and preceding the washing step.. The process is applicable to the production of threads from solutions containing casein and viscose or other cellulose compound. In an example, casein paste is obtained by treating milk with sulphuric acid, filtering, and pressing. The paste is dissolved in caustic soda solution, and there is added a small proportion of the sodium salt of the disulphuric ester of leuco-6-ethoxy-4<SP>1</SP>-methyl-6<SP>1</SP>- chlorothioindigo. The solution is spun into a coagulating bath containing sulphuric acid, and sodium sulphate. The threads obtained are treated with a solution of sodium nitrite, sulphuric acid, sodium chloride, and formaldehyde, in water so as to develop the colour. The threads are then subjected to hardening treatment. In another example, there is added to the casein solution a proportion of the potassium salt of the tetrasulphuric ester of leuco-3.3<SP>1</SP>-dichloro-1.2.1<SP>1</SP>.2<SP>1</SP>-anthraquinonazine. Development may be effected by means of a solution of ferric chloride, sulphuric acid, and sodium chloride. In another example, there is added to the casein solution a small amount of the sodium salt of the disulphuric ester of leuco-dimethoxy-dibenzanthrone. Sodium nitrite may be added to the coagulation bath. In another example, there is used a solution of the sodium salt of the disulphuric ester of leuco- 4-methyl-5-chloro-7 -methoxy-4<SP>1</SP>-chloro-2- indol- 2<SP>1</SP>-naphthalene-indigo. Development of the colour is effected by treating the threads with a solution of potassium bichromate, ammonium sulphocyanide, sulphuric acid and sodium chloride. If desired, sodium nitrite may be added together with the leuco compound to the casein mass so that passage through the coagulation bath simultaneously coagulates the threads and develops the colour. Specifications 186,057, 222,094, 318,107, [all in Class 2 (iii)] and 483,731 are referred to.
Patent GB-525106-A (GB)
Title: Improvements in or relating to thermally operated electric switches
IPC: H01H37/60
Filed: 1939-02-20
Abstract: 525.106. Thermal switches; snap-action switches. SHERLCCK, J. E.. and BRITISH THERMOSTAT CO., Ltd. Feb. 20, 1939, No. 5623. [Class 38 (v)] In a snap-action thermal switch adapted to give increased pressure between the contacts up to the moment of breaking contact, the thermal element, which may be a' bellows c, acts on a spindle a having a double - ramp l engaged by a number of plungers k pressed inwards by a coil spring m which surrounds their outer ends and mounted in the movable contactmember j ; or alternatively the bellows may operate on the snap - action component and the spindle a operates the contacts. As shown the bellows c act against a spring e which can be adjusted by rotating a knob t. As the spindle a rises, the plungers k move outwards straining the spring m till the apex of the ramp is reached when the contact member j moves suddenly downwards bringing contacts n into engagement with fixed contacts o.
Patent GB-1148012-A (GB)
Title: Improvements in or relating to draining of excess fuel from fuel injectors of internal combustion compression ignition engines
Inventor: SMELA STEPAN
IPC: F02M55/00
Filed: 1967-02-07
Abstract: 1,148,012. Fuel injectors. USTAV PRO VYZKUM MOTOROVYCH VOZIDEL. Feb. 7, 1967 [Feb.7, 1966], No.5806/67. Heading F1B. Radial holes 5 in a fuel injector body 4 cooperate with holes 6 in a threaded mounting bush 7 to lead fuel leaking past the injector plunger 12 to an annular space 8 and thence to a drainage passage 9 formed in the cylinder head for connection at 14 to the fuel tank. Space 8 is extended by a space 13 so that leaking fuel penetrates between the bush 7 and the recess in the cylinder head, to facilitate easy removal of the fuel injector.
Patent GB-307017-A (GB)
Title: Improvements in and relating to steam generators
IPC: F22B1/14
Filed: 1929-02-22
Abstract: 307,017. Akt.-Ges. Brown, Boveri, et Cie. March 1, 1928, [Convention date]. Steam generation, methods of; heating by direct contact of steam. - To increase the steam output of a set of boilers 1 the whole or part of the steam from the boilers is used as " exciter " steam to generate fresh steam in a generator 5, in which steam is brought into direct contact with water in a number of chambers 6 and repeatedly s u p e rheated, as described in Specification 288,635. Water is injected into the chamber by a pump 13, and steam is supplied through a compressor 12.
Patent GB-933487-A (GB)
Title: Improvements in or relating to drying machines for photographic prints
IPC: G03D15/02
Filed: 1961-02-17
Abstract: 933,487. Drying photographic prints. H. GERSTER. Feb. 17, 1961 [Feb. 19, 1960], No. 5882/61. Class 98 (1). [Also in Group XIII] A drum 6 for drying photographic prints is supported on a horizontal shaft 3, with a drying cloth in the form of an endless band 10 in contact with part of its periphery, and spray means 22 by which the inside surface of the drum can be sprayed with a heated liquid. The liquid, preferably water, is heated in a reservoir 18 by a heater 34, the reservoir being provided with a thermometer 36 and thermostat 40. The hot water is pumped up through a conduit 20, which passes through the hollow shaft 3 and up to a spray head 22, from where it sprays out of nozzles in both sides of the head, impinging against the drum. The spent water collects as a sump at the bottom of the drum, and a suction line 30 connected to the pump draws off this spent water and returns it to the reservoir. If necessary, an additional spray head may be provided, as shown in dash lines, Fig. 4. The prints to be dried are fed in between the drum and drying cloth 10 at the lower part of the apparatus, and emerge at the upper part.
Patent GB-1024371-A (GB)
Title: Production of sintered metal plates for alkaline accumulators
IPC: H01M4/32
Filed: 1963-02-13
Abstract: A porous sintered metal plate for alkaline accumulators is produced by streching a grid consisting of electrolytically deposited nickel, electrotically depositing nickel on the streched grid, passing the grid through a roll nip with metal powder fed on either side of the grid and finally sintering.  The powder may be nickel, copper, copper-nickel alloy or nickel-iron alloy, the grid being 0.2-0.5 mm. thick with a stretched mesh width of 1.5-3 mm. The sintered compact is finally rolled in profiled rolls to consolidate the edges and the sheet is then cut into the required plates.