baber/WOPTO huggingface dataset:
Patent GB-643550-A (GB)
Title: Improvements in and relating to sealing devices for submarine electric cables
Inventor: PRESSWELL RICHARD WILLIAM
IPC: H02G15/14
Filed: 1948-03-22
Abstract: 643,550. Couplings. SUBMARINE CABLES, Ltd. March 22, 1948, No. 8465. [Class 38 (i)] A waterproof seal on a repeater housing R for a submarine cable O comprises a thermoplastic water-resistant body 17, preferably polythene, which is united to the stripped cable core 7 and is supported by a ceramic sleeve 5 and a metal sleeve 3 which interfit. The core 7 may be jointed at 9 to a stronger conductor 8 which is brazed at 15<SP>1</SP> to a metal sleeve 1, also received within the sleeve 5, the sleeves being conical to enhance their wedging action on each other. The sleeve 3 fits in a gland 10 to which the body 17 is also secured, preferably by the method described in Specification 618,345, [Group VIII], or by oxidizing or phosphatizing the metal surfaces and using a cement of polyisobutylene compound. The gland 10 is welded at 15 to the sleeve 3 and is secured in a bulkhead 11 which is welded at 11<SP>1</SP> to the housing R and the gland is closed around the cable by a gland nut 18 and a cooperating washer 19. The casing R also supports a flanged closing ring 22 which is bonded by copper strips 25 and a clamp 23 bolted thereon. The internal space in the ring 22 is filled with polythene-polyisobutylene compound.
Patent GB-609635-A (GB)
Title: Improvements in and relating to road construction
IPC: E01C11/22
Filed: 1946-03-19
Abstract: 609,635. Road gutters. JONES, F. W. VALLE-. March 19, 1946, No. 8511. [Class 107] A road drainage channel unit formed from L-shaped angle iron or from welded plates has welded beneath the gutter portion 1 tubes or rods 2 of various cross sections with bent-over ends forming spigots. The rods may be either continuous throughout the length of the channel unit or short lengths at either end. The distance between the outer limits of the spigots at both ends of one unit may be equal to the distance between the inner limits of the spigots provided on the adjacent units, or the distance between the outer limits of the spigots at one end of each unit may be equal to the distance between the inner limits of the spigots at the other end.
Patent GB-477308-A (GB)
Title: Improvements in or relating to temple mechanisms for looms
IPC: D03J1/22
Filed: 1936-03-21
Abstract: 477,308. Loom temples. LLORENS & TORRA. March 21, 1936, No. 8523. Void. Convention date, March 23, 1935. [Class 142 (ii)] A loom temple comprises a conical roller 10 and two flanking rollers 11, 12 carried by an arm 25 that is yieldingly mounted on an adjustable casing 26, the rollers 11, 12 being mounted in a pivoted plate 17 that is held in position by an adjustable screw 19. The rollers may be formed with a smooth or corrugated rubber, leather or metal surface.
Patent GB-183188-A (GB)
Title: Improvements in or relating to the joining together of precious and other metals
IPC: B23K35/34
Filed: 1921-03-18
Abstract: 183,188. Maurer, J. March 18, 1921. Soldering.-A solder-paste for uniting precious and other metals consists of finely divided metals corresponding to the parts to be joined, oxides thereof, a reducing-means, a binding medium, and a flux. The binding-medium may consist of vaseline to assist the reducing-means, such as carbon, in reducing the oxides. The flux may consist of borax or boric acid. For soldering 20 to 22 carat gold, the paste may consist of four parts of flux, 0.3 parts of carbon, 0.5 parts of gold 833 fine, 0.83 parts of gold oxide, 0.12 parts of silver oxide, and 0.05 parts of copper oxide, together with 2 to 8 per cent of vaseline. For 18-carat gold, the gold used is 750 fine, the proportions of gold oxide, silver oxide, and copper oxide are respectively 0.75, 0.18, and 0.07 parts and the same proportions of other constituents as in the previous example. For 14-carat gold, 1 part of flux is used, 10 parts of gold 580 fine, and the same proportions of other constituents as for 18-carat gold. According to the Provisional Specification, the solder may also contain zinc, cadmium, &c.
Patent GB-1125117-A (GB)
Title: Impulse generator
IPC: H02M9/04
Filed: 1967-02-22
Abstract: 1,125,117. Pulse generators. COMPAGNIE GENERALE D'ELECTRICITE. 22 Feb., 1967 [22 Feb., 1966], No. 8530/67. Heading H3P. [Also in Division H1] A high voltage pulse generator comprises a plurality of enclosed chambers arranged in a vertical column, each chamber containing a spark gap, and including, a laser disposed so that its luminous beam passes between the electrodes of at least one of said spark gaps. Fig. 1 (not shown) shows a circuit of a known Marx generator in which a plurality of capacitors C1, C2, C3, charged in parallel via resistors R1. . . R5 are discharged in series when spark gaps such as 8, 9 are triggered by the beam of a laser 19. Each spark gap is contained in a sealed cylindrical housing which may be evacuated by a pump 23 or may be filled with air, nitrogen, sulphur hexfluoride, xenon, argon, hydrogen or mixtures thereof. Different spark gap chambers may be filled with different gases so as to control the breakdown voltage. Alternate spark gaps may be arranged axially (such as 7, 8) or transversely (such as 9, 11). In addition to the laser triggering, spark gaps, such as 11, may be provided with auxiliary triggering electrodes such as 11<SP>1</SP> or a helical electrode 9<SP>1</SP> triggered by inductive coupling from a winding 17 mounted on the bushing 13. Winding 18 provides similar triggering for the inductive triggering electrode 7. A member 7<SP>1</SP> of magnetic material may be used to concentrate the flux from winding 18. Conductors such as 9<SP>1</SP> may be of copper, bronze or bronze-beryllium alloy, having a tungsten tip and may be embedded in an ovoidal mass of glass-fibre-reinforced polyester. The other electrodes are of brass, tipped with an alloy of copper, nickel and tungsten and may be covered with a layer of thermionic emissive material. A photo-cell (not shown) may be mounted at the top of the column to provide triggering pulses for the auxiliary electrodes in response to the beam from the laser. The column may be mounted on a carriage 10 or, in Fig. 3 (not shown) suspended from a travelling crane which also supports capacitors C1 . . . C3 by nylon cords. The characteristics and power of the generator may be modified by changing the capacitors or by replacing one or several units such as 2 or 3 by other units having different characteristics.
Patent GB-137701-A (GB)
Title: Improvements in the manufacture of acetic anhydride
IPC: C07C51/56
Filed: 1919-04-04
Abstract: In the manufacture of acetic anhydride by interaction of anhydrous sodium acetate and phosgene, acetic anhydride is employed as the medium into which the reacting bodies are simultaneously introduced. The sodium acetate is kept in slight excess, and the mixture is well cooled and agitated.  When the reaction is complete, a portion of the reacting mixture is withdrawn and its acetic anhydride content removed by distillation in vacuo.  The remainder of the reacting mixture serves for the interaction of further quantities of sodium acetate and phosgene, thereby obtaining a continuity of the process.
Patent GB-1472972-A (GB)
Title: Cold starting devices for internal combustion engines
IPC: F02M1/04
Filed: 1974-05-21
Abstract: 1472972 Starting carburetters ZENITH CARBURETTER CO Ltd 21 May 1974 [21 Feb 1973] 8597/73 Heading F1H A cold starting device for an I.C. engine comprises a body and heating means for heating the body, the heating means comprising an electrical heating element which is housed in a cartridge, the cartridge being inserted into a cavity in the body and thereby being located positively with respect to the body. The cold starting device comprises an auxiliary air supply passage having an outlet portion 12 connected to the engine induction system downstream of the carburetter throttle valve and having a throttle valve 18 offset on its spindle 19 so that the air-flow tends to close it, closure being prevented when the engine is cold by means which couple the spindle to a temperaturesensitive device (20) subjected to engine water temperature. The coupling means permit a limited movement in the closing direction when, at the end of the cranking period, the engine begins to run under its own power. As the engine temperature increases, the temperature-sensitive device (20) causes progressive further closure. Fuel/air mixture is fed to the outlet portion 12 via a passage 13 and ports 14, 15. A further supply of mixture is fed under the control of a volume screw 17 through a port 16 downstream of the ports 14, 15. Formation of ice due to the cooling effect of fuel evaporation is prevented by an electrical heating element cartridge which is a push fit into a fluid base 21 extending parallel to and adjacent the outlet position 12. The heating element is energized via the ignition switch and may include a thermostatic switch to render it inoperative when the body of the cold starting device is sufficiently hot.
Patent GB-589993-A (GB)
Title: Improvements in and relating to fletcher's trolley apparatus
IPC: G01H1/00
Filed: 1945-04-06
Abstract: 589,993. Demonstrating, gravitational effects. CUSSONS, Ltd., G., and BULMAN, A. D. April 6, 1945, No. 8613. [Class 97 (iii)] The carriage 7 of a Fletcher's trolley apparatus is connected at both ends to a cord 11 passing round pulleys 12, 13, on the inclined track 4, one pulley 13 being variably stepped and braked (e.g. by vanes 15 and liquid bath 14). The stylus 24 is carried by a leaf spring 20, which is adjustably mounted at 19, carries adjustable masses 23, and is adapted to be set into a combined lateral and torsional oscillation by means of the handle 25.
Patent GB-487273-A (GB)
Title: Improvements in and relating to bee-hives
IPC: A01K47/06
Filed: 1937-03-24
Abstract: 487,273. Bee - hives. SMITH, J. W. March 24, 1937, No. 8622. [Class 5 (ii)] A porch or entrance designed to prevent cold air, rain, &c. from entering a hive comprises three walls D, E, F arranged between a storm board B and an alighting board A. The front and back walls have a central opening L, the wall E having an opening Q at each,end. In some cases, the wall F is omitted, and the storm board is adapted to fit into a slot in the face of the hive. The openings L, Q are formed by parts slidable in slots in the walls and are adjustable by externally-projecting parts J, M.
Patent GB-738576-A (GB)
Title: Tertiary alcohols of cyclopentanopolyhydrophenanthrene series and a method of making same
IPC: C07J75/00
Filed: 1952-04-04
Abstract: The invention comprises compounds of the formula <FORM:0738576/IV (b)/1> which represents a cyclopentanopolyhydrophenanthrene ring system having the <FORM:0738576/IV (b)/2> grouping in the 3-position and the <FORM:0738576/IV (b)/3> grouping in the 17-position, and wherein R1 is a saturated or unsaturated aliphatic hydrocarbon residue containing 1-3 carbon atoms and R2 is a hydroxyl group or a group convertible by hydrolysis to a hydroxyl group.  The compounds are prepared by reacting the corresponding 3-keto derivative with an organometallic compound to convert the 3-keto group into a tertiary hydroxyl group, thereby also introducing the radical R1 into the 3-position.  Specified organo-metallic compounds are alkyl magnesium iodides, lithium alkyls, alkali acetylides, and also acetylene in the presence of alkali metals, the amides or alkoxides.  Preferred starting materials are the 17-esters, the ester group of which may be eliminated or remain intact, depending on the amount of Grignard reagent employed.  Products containing double or triple bonds in the group R1 may be selectively hydrogenated.  In examples: (1) androstan - 17b  - ol - 3 - one 17 - acetate is treated with ethereal methyl magnesium iodide, and the product decomposed with acid and then fractionally crystallized from ether yielding isomeric 3b - methylandrostan - 3a : 17b  - diol and 3a - methylandrostan - 3b : 17b  - diol. The former is characterized by acetylation to the 17-acetate; (2) testosterone propionate is treated with methyl magnesium iodide to yield 3-methyl - D 4 - androsten - 3 : 17 - diol; (3) androstan-17b -ol-3 is treated with potassium acetylide in liquid ammonia yielding a mixture of 3a - and 3b -ethinylandrostan-3 : 17b -diol; (4) androstan - 17a  - ol - 3 - one 17 - hexahydrobenzoate is treated as in (1) to give the isomeric 3a- and 3b-methylandrostan-3 : 17a -diols.
Patent GB-987805-A (GB)
Title: Improvements in or relating to hand tools
IPC: B27G15/00
Filed: 1963-03-05
Abstract: 987,805. Hand tool handles. H. K. STAUB. Oct. 30, 1963 [March 5, 1963], No. 8800/63. Heading B4K. A tool for use in making tapped holes comprises a shank 12 having the diameter of a standard wood screw and terminating in a tapered portion having a wood screw thread 16 corresponding to the shank diameter. Both ends of the shank may be provided with screw threaded portions to allow a handle 10 to be attached.
Patent GB-751260-A (GB)
Title: Improvements in or relating to the extrusion of metals and alloys
IPC: B21C23/32
Filed: 1954-03-25
Abstract: 751,260. Extruding. CHASE BRASS & COPPER CO., Inc. March 25, 1954 [March 25, 1953], No. 8808/54. Class 83 (4). In the extrusion of metallic materials which are difficult to extrude, particularly titanium, zirconium or alloys thereof, the billet 1 is enclosed in a composite jacket consisting of an outer portion 4, 5, 8 of metal such as copper which is anti-seizing, thereby forming a lubricant during extrusion, but which tends to alloy with the billet material, and an inner portion 2, 3, 7 of metal such as iron or steel which does not alloy with the billet; the encased billet is heated to an extrusion temperature below the melting point of any components of the billet assembly and the latter is then extruded through a die. The outer portion, which may be of pure or commercial copper or copper alloyed with small quantities of zinc or tin, comprises an outer sleeve 4 made from tube or sheet with the ends bent over to abut against an end piece 5, which may be welded thereto, and a sleeve 8 whose end is flanged over the end piece 5. The inner portion comprises sleeves 3, 7 made from tube or sheet steel and flanged over end pieces 2. The inner portion may comprise more than one layer, e.g. a layer of iron and another layer of low-carbon steel. Alternatively, bi-metallic steel and copper strip may be used instead of the separate inner and outer layers. The invention is applicable to both the extrusion of tubes using hollow billets, and solid bars, using solid billets. In the latter case the outer layer may consist of a deep drawn case. The jacket layers are subsequently removed from the extruded product by mechanical stripping or acid cleaning. Examples are given of the dimensions of the billets and jackets' for the extrusion of different sizes of tubes and bars. Working at specified temperatures-The billet is heated to a temperature between 1500‹ and 1950‹ F. preferably 1850‹ F. and extruded at a pressure of 50,000 lb. per square inch.
Patent GB-1164131-A (GB)
Title: Improvements relating to Fuse Holder Assemblies
Inventor: HARDY DENIS RAYMOND
IPC: H01H85/56
Filed: 1966-03-01
Abstract: 1,164,131. Bridge-carrier fuses. SIMPLEXGE MFG. Ltd. 2 Feb., 1967 [1 March, 1966], No. 8826/66. Heading H2G. A fuse holder assembly comprises a base 10 (Fig. 1) and carrier 11 assembled together to define a fuse chamber 12, the carrier having terminals 25, 26 for electrical connections to the fuse element and contact members 24 electrically connected to these terminals, and the base having contact members (53), (Fig. 2, not shown), for respective connection to the contact members of the carrier, connected to terminals (45) on the base to enable the fuse element to be electrically connected to an external circuit, the carrier being provided with a portion 27 for supporting a length of fuse wire such portion and the carrier terminals being arranged to allow, alternatively, a cartridge type fuse element to be accepted by the carrier. The member 27 is supported on extensions 25a. When a cartridge fuse 39 (Fig. 6) is used connection to the terminals 26 is made by L-shaped members 42 secured to the end caps 41 of the cartridge. The carrier 11 has a separate releasable insulating cover 30 with a central hole 36 aligned with a hole 19a in the carrier body through which the condition of the fuse may be observed. The cover which also indicates the fuse rating is attached to the carrier, by resilient studs 38 and covers the terminal securing screws 21. The terminals 25 and contacts 24 may be formed as a unitary structure of either brass or copper. The contacts 24 are U-shaped. The base 10 contains openings 63 in the end walls (or knockout portions) to allow entry of a conductor (65), (Fig. 10, not shown) which is clamped to the terminal by a screw 49. Pockets 58 and guideways formed by ribs 60 are provided to accommodate closure or partial closure members (62 and 64). An insulating shield 68 covers the terminals 45 and is held in releasable engagement by shoulders 74 and guideways formed by ribs 70. The base and carrier may be held together by a clip 92. Conductors (80) may be introduced through the bottom of the base (Fig. 11, not shown), the external parts of these conductors being insulated by ferrules (81). A modification (Fig. 12, not shown), provides alternative means for introducing such conductors. During withdrawal of the carrier from the base access to the live parts inside the assembly, by way of the fingers, is prevented due to constraints caused by co-operating parts (Fig. 7, not shown).
Patent GB-112382-A (GB)
Title: An Overload-release Draw-gear for Agricultural Tractors and the like.
Inventor: SELLAR ROBERT HUNTER NICOL
IPC: A01B61/02
Filed: 1917-06-21
Abstract: 112,382. Sellar, R. H. N., and Turner, J. H. June 21, 1917. Couplings for tractors. - An overload-release draw-gear for agricultural tractors &c. comprises two draw-members with springs in compression between them, a slip hook and a detent device normally holding the hook in engagement but releasing it when the two drawmembers have moved apart a determined distance u n d e r traction. The draw-member or yoke A carries the eye A<1> and two draw-bars A<2>, A<3>, the other draw-member B has at its rear end the jaw B', B<2> within which is pivoted the slip hook C, and the springs C<5>, C<6> are located between the yokes C<2>, C<4>. The tail of the slip hook C<1> and the jaw B<1>, B<2> are guided in the rectangular aperture D<2> in the adjustable yoke D<1>.
Patent GB-708189-A (GB)
Title: Improvements in or relating to concrete and like pipes, and to joints therefor
IPC: F16L25/00
Filed: 1951-04-17
Abstract: 708,189. Concrete pipes; joints. LOCK JOINT PIPE CO. April 17, 1951 [Feb. 9, 1951], No. 8942/51. Classes 99 (1) and 99 (2). In a spigot-andsocket joint for concrete pipes in which the spigot has a terminal steel joint ring 13, a gasket 24 is arranged in a recess 14 in the spigot or in a recess in the socket, the recess being so located that the gasket seals the joint between the ring 13 and the concrete. The ring 13 comprises partly or wholly the end face of the spigot. As shown, the ring is partly embedded in the concrete and is secured to longitudinal reinforcing rods 15. A number of different arrangements of recess and ring are described and shown.
Patent GB-817918-A (GB)
Title: Improvements in or relating to methods of manufacturing radiation-sensitive sinteredbodies containing cadmium sulphide
IPC: H01L21/00
Filed: 1957-03-19
Abstract: 817,918. Photo-cells. PHILIPS ELECTRICAL INDUSTRIES Ltd. March 19, 1957 [March 22, 1956], No. 8978/57. Class 37. A radiation-sensitive body is prepared by sintering a mixture of cadmium sulphide and cadmium oxide powders at temperatures of 700-1200 C. The mixture preferably comprises between 0.1-5 per cent of cadmium oxide. The cadmium sulphide may first be activated by preheating with small amounts of copper and gallium.
Patent GB-269880-A (GB)
Title: Improvements in or relating to arc lamps
IPC: H05B31/00
Filed: 1927-04-01
Abstract: 269,880. Siemens & Halske Akt.-Ges. April 20, 1926, [Convention date]. Void [Published under Sect. 91 of the Acts]. Reflectors; optical-projection apparatus.- In light projection apparatus, gases and vapours from an electric arc are prevented from being deposited upin the reflector, lens, or glass cover by means of an air or other gas current directed from the periphery towards the centre. In the form shown, a current of gas supplied by a tube 3 issues through openings 4 inclined obliquely and tangentially towards the surface of a reflector 1. The current forms eddies around the centre of the reflector and than flows past the arc 2' guiding the vapours into the open air through suitable escape ducts.
Patent GB-858711-A (GB)
Title: Process for producing aliphatic amino polycarboxylic acids and their alkali metal salts
Inventor: YOUNG WALTER T
Filed: 1957-03-19
Abstract: Alkali metal salts of aliphatic (including cycloaliphatic) amino polycarboxylic acids are prepared by reacting an aliphatic amine having at least two replaceable hydrogen atoms on the same or different amino nitrogen atoms, in an alkali metal hydroxide solution with an alkali metal cyanide and a formaldehyde-yielding substance wherein an excess of cyanide and formaldehyde-yielding substance of from 25% to 67% of the theoretical amount necessary to replace each replaceable hydrogen atom is used, the cyanide being maintained in a molar excess over the formaldehyde of at least 10% (based on the total cyanide) until all the cyanide has been added, the remainder of the formaldehyde being added subsequently, and the reaction being carried out at between 190 DEG F. and 220 DEG F. until the cyanide and formaldehyde have been added, and the temperature is then slowly raised to between about 240 DEG F. and about 250 DEG F. and maintained in this range until substantially all of the ammonia fumes formed during the reaction have been expelled.  By acidifying the reaction product to a pH of 0,75-2 the free acids are obtained. Specified amines are monoisopropanol ethylene diamine, monoethanol ethylene diamine, ethylene diamine, butylamine and cyclohexylamine. The products are sequestering agents.
Patent GB-555754-A (GB)
Title: Improvements in or relating to means for maintaining a pneumatic tyre in correct position upon a wheel rim even when the tyre is used in a deflated condition
IPC: B60B21/12
Filed: 1942-07-30
Abstract: 555,754. Tyres. FIRESTONE TYRE & RUBBER CO., Ltd., BREEZE, S. J., TOLEDO WOODHEAD SPRINGS, Ltd., and WOODHEAD, F. June 30, 1942, No. 9030. [Class 144 (ii)] An inflatable or other fabric-reinforced tyre, with or without an inner tube is retained in driving engagement on a wheel-rim by resilient metal pieces 8 mounted on a collapsable or distortable member 7 and arranged to press the tyre beads 2 against the rim flanges. As shown V-shaped metal shoes 8, 9 are riveted (or welded) to an annular spring steel strip 7 which is provided with an apertured lug 11 arranged to receive a tyre tube inflating valve and to engage in the valve slot of the wheel rim in order to prevent circumferential slip of the tyre tube. In an alternative arrangement the flanges 9 of the shoes 8 may be directed radially inwardly of the band 7.