baber/WOPTO huggingface dataset:
Patent GB-1470615-A (GB)
Title: Single-acting hydraulic packing
IPC: F16J15/32
Filed: 1974-12-19
Abstract: 1470615 Shaft seals J DECHAVANNE 19 Dec 1974 [19 Dec 1973] 55309/74 Heading F2B A single-acting dynamic or static seal between a piston-rod and its guide comprises an annular cap or cup A including an elongated contact lip 15 covered on one side by a resiliently deformable second member B such that an increase in pressure P increases the length of the contact of the lip with the rod and also the pressure of the member B with the groove in which the seal is located, an anti-extrusion ring E is housed in a groove at the rear of lip 15.
Patent GB-1193799-A (GB)
Title: Improvements relating to Watch Strap Calendars
IPC: G04B47/00
Filed: 1968-11-25
Abstract: 1,193,799. Calendars. HESS VERLAG K.G. Nov.25, 1968, [March 25, 1968], No. 55753/68. Heading G3T A calendar for a watch strap comprises a plastics foil having support projections 3, 4 which are bendable relative to an inscribed portion 2 so that the calendar embraces a watch strap, at least one of the projections 4 having an adhesive area 5 for joining to the other projection. The calendar is wrapped around the watch strap by bending the projections 3, 4 along indented lines 7, 8 and removing a protective foil 6 before sticking the projections together. The outer surface of the foil is provided with a polished surface to repel damp and dirt or it may have a gold or silver layer.
Patent GB-1201579-A (GB)
Title: Process for preparing sodium fluoisilicate
IPC: C01B33/10
Filed: 1968-11-28
Abstract: 1,201,579. Sodium fluosilicate. SOC. ITALIANA RESINE S.p.A. 28 Nov., 1968 [29 Nov., 1967], No. 56590/68. Heading C1A. Sodium fluosilicate is prepared by treating fluoride- and silicate-bearing mineral phosphate with excess sulphuric acid in solution, removing excess sulphate, precipitating the sodium fluosilicate from the resulting phosphate-, silicate- and fluoride-containing solution by addition of sodium mono- or polyphosphates or mixtures thereof. The sodium fluosilicate is preferably precipitated in at least 98% purity and the remaining phosphate solution preferably contains no more than 1 g./l. F- and 0.5 g./l. silicate (as SiO 2 ). The solution to which phosphate is added may contain 200-450 g./l. phosphate (as P 2 O 5 ), up to 35 g./l. fluoride (as F-) and up to 18 g./l. silicate (as SiO 2 ). The addition of phosphate may be such that the Na: F molar ratio is between 1 : 1 and 2À5 : 1. The crystals obtained can be separated from the solution by filtering, temperatures for precipitation and filtering being between 40‹ and 100‹ C.
Patent GB-1273608-A (GB)
Title: Improvements in and relating to photographic compositions
Inventor: ABEL EDWARD PETER
IPC: G03C1/053
Filed: 1969-11-21
Abstract: 1,273,608. Treating polyvinyl alcohol; acrylic copolymer. EASTMAN KODAK CO. 21 Nov., 1969 [25 Nov., 1968], No. 67116/69. Heading C3P. [Also in Divisions G2-G3] Copoly(vinyl alcohol - vinyl carbamate) is prepared by refluxing equimolar amounts of urea and polyvinyl alcohol in dimethylformamide to give a product containing 12À3% carbamate units. Copoly(vinyl alcohol - vinyl - N - methyl carbamate is prepared by heating methylisocyanate (0À1 or 0À2 mole) with polyvinyl alcohol (1 mole) in hexamethylphosphoric triamide. Copoly(methyl acrylate/Na - 3 - acryloyloxy propane - 1 - sulphonate) (95À5 wt. per cent) latex is prepared by emulsion copolymerization using K 2 S 2 O 8  mixed with NaHSO 3  as catalyst, of methyl acrylate and sodium-3-acryloyloxypropane-1 -sulphonate.
Patent GB-1215248-A (GB)
Title: Arrangements for short-circuit indication or protection in unidirectional-voltage supply systems
IPC: H02H3/087
Filed: 1968-12-03
Abstract: 1,215,248. Protective arrangements. SIEMENS A.G. 3 Dec., 1968 [12 Dec., 1967], No. 57421/68. Heading H2K. A protective arrangement for a D.C. supply system comprises a source, e.g. a resistor R1 Fig. 1, or an inductor, of a voltage which is related to the current or current change in a conductor 1 of the system, a series circuit including a capacitor K1 and a transformer Tr connected across the source R1, and a direction sensitive device, e.g. a polarized relay A, connected to the transformer Tr and effective to cause the completion of either of two signalling circuits Ml or M2 in dependence on the direction of a sudden change in current. The relay A has contacts a1, which when operated complete a circuit for a relay B or a relay C. To guard against incorrect operation due to load surges, contacts d1, d2 of a further polarized relay D, Fig. 3, may be connected in the circuits M1, M2. The relay D in series with a capacitor K5 and resistor R7 is connected to a voltage divider R8, R9 connected between the conductor 1 and earth, the relay D responding to a sudden drop in voltage. The voltage divider may include a potentiometer which is adjusted by a servomotor under the control of a voltage-responsive regulating device, Fig. 4 (not shown). A maximum recording instrument may be connected in series or in parallel with the relay A to provide an indication of the distance to a fault. One of these protective arrangements may be provided at each opposite end of a line or on each branch from a bus-bar and used to distinguish between internal and external faults..
Patent GB-1270379-A (GB)
Title: Fungicidal agents
Inventor: FINDEISEN KURT
IPC: C07D231/20
Filed: 1970-12-04
Abstract: 1,270,379. Fungicides containing halopyrazolinones. FARBENFABRIKEN BAYER A.G. 4 Dec., 1970 [6 Dec., 1969], No. 57724/ 70. Heading A5E. [Also in Division C2] A fungicidal composition contains a halopyrazolinone of formula: wherein X is halogen, R is H, alkyl (which may be substituted with halogen, nitro, chlorosulphonyl, or nitrile), aryl (which may be substituted by halogen, alkyl, methoxy, ethoxy or nitro), a heterocyclic radical (which may be substituted by halogen or alkyl), alkoxy, nitro, chlorosulphonyl, sulphoxyl, alkylsulphonyl, alkylcarbamidyl, arylcarbamidyl, carbalkoxy, acyl or amidine.
Patent GB-1260768-A (GB)
Title: N-alkyl-tetrahydrocarbazoles
IPC: C07D209/88
Filed: 1969-11-25
Abstract: 1,260,768. 1,2,3,4-Tetrahydrocarbazole derivatives. PFIZER Inc. 25 Nov., 1969 [28 Aug., 1969], No. 57725/69. Heading C2C. The invention comprises compounds of formula and their pharmaceutically acceptable acid addition salts, wherein R 1  and R 2  are each H, OH, F, Cl, Br, CF 3 , CF 3 O or (C 1-4 ) alkyl, alkoxy, alkanoyl, alkanoylamino or alkylthio, or R 1 R 2  is C 1-3 -alkylenedioxy; R 3  is C 1-4  alkyl; n is 1 or 2; and R 4 , R 5  are each H, C 1-4  alkyl or C 3-6  cycloalkyl, or NR 4 R 5  form a pyrrolidino, piperidino, piperazino, N-(C 1-3  alkyl)piperazino or morpholino ring. These compounds are prepared by (1) reducing the analogues having a carbamyl, carbamylmethyl, azidomethyl or cyanomethyl group in the 4-position, (2) replacing the 9-H atom by R 3  in the appropriate precursor, or (3) replacing 1 or 2 N-attached H atoms by the desired substituents in an N-unsubstituted aminoalkyl group. Intermediates.-Details are also given for the preparation of 4-carboxy- and 4-carboxymethyl-9- methyl-1,2,3,4-tetrahydrocarbazole, their alkyl esters, 4-hydroxymethyl-9-methyl-1,2,3,4-tetrahydrocarbazole and its tosylate. Therapeutic compositions for the treatment of diabetes by oral administration comprise compounds of the above formula.
Patent GB-1447104-A (GB)
Title: Electrophoretic imaging process
IPC: G03G17/04
Filed: 1973-12-19
Abstract: 1447104 Electro-phoretic imaging process XEROX CORP 19 Dec 1973 [4 Jan 1973] 58827/73 Heading G2H The process comprises (a) providing between first and second electrodes, a layer of an imaging suspension comprising imaging particles in electrically insulating material that is liquid during at least the time of migration of said imaging particles in said process, said particles comprising chromogenically reactive material; (b) providing between said electrodes, an imaging receiving layer comprising a co-reactant for said chromogenically reactive material; (c) utilizing said electrodes to apply an electrical field across said imaging suspension; (d) during (c), exposing said imaging suspension to an imagewise pattern of activating electromagnetic radiation to form an image on said image-receiving layer by migration of said imaging particles; and (e) chromogenically reacting said chromogenically reactive material in said image with said co-reactant. Preferably one of the electrodes is transparent and imaging exposure is effected through it. The imaging particles may be electrically photo-sensitive, or accompanied in the suspension by other particles which are electrically photo-sensitive, or be used in conjuction with an electrode provided with a photo-conductive layer. Many suitable pairs of chromogenic co-reactants are listed and include many examples of: polymer coated surfaces, and photo-conductive zinc oxide particles that will on heating catalyze the carbonation of the polymer; compounds that release sulphur, and metal salts or soaps; organic acids, alkaline compounds or compounds that release alkali on heating, and pH sensitive compounds; oxidizing agents, and compounds that change colour on oxidation; 1-phenyl-3-pyrazolidinone or derivatives thereof, and silver or gold salts, triazolium compounds, or leocophthalocyanines; 8-hydroxy-1,2,3,4-tetrahydroquinoline or derivatives thereof, and salts or soaps of metals, or oxidizing agents; phenols or naphthols, and metal salts or soaps, oxidizing agents, or nitroso compounds; compounds containing an active methylene group, and 5-bromo-2-amino-thiazoles; amines, and aromatic aldehydes or ketones; nitroso derivatives, and aromatic hydroxy compounds, metal salts, or amines; triazene compounds and diazotype coupling agents; aromatic amines or amino-hydroxy compounds, and sulphur containing compounds, silver, gold, mercury or cadmium salts, oxidizing agents, nitroso compounds, or aromatic diazonium compounds; nitro compounds, and metal salts or oxidizable compounds such as 4-amino-diphenylamine-2-sulphonic acid; and diazonium salts, and couplers therefor. The chromogenic reaction may be effected by treatment of the co-reactants with ammonia, a solvent or heat, according to their nature, and the image may be fixed by heat.
Patent GB-1452336-A (GB)
Title: Appraratus for use in inspection or maintenance a nest of tubes
IPC: G01N27/82
Filed: 1973-12-21
Abstract: 1452336 Remotely operated positioning apparatus SIEMENS AG 21 Dec 1973 [22 Dec 1972] 59490/73 Heading B8H [Also in Divisions G1 and F2] Apparatus to remotely position tools to inspect, clean and repair the tubes of a steam generator of a nuclear power installation comprises a frame 15 with clamps 33, 36 and centering lugs 34, 35 to locate and secure the frame over holes in a tube end plate 8 of the generator. A slideway 16 is movable along the frame under the action of a nut and threaded rod 27 and a cantilever arm 22 is movable along the slideway by a similar nut and rod 42 and is pivotable about an axis 23. The free end of the arm mounts a flexible tube 25 for positioning, by suitable adjustment of the slide 16 and arm 22, the end of the tube into aligment with a selected hole in the tube end plate whereby suitable tools such as an eddy current probe, Fig. 3 (not shown), a pneumatically rotatable brush, Fig. 4 (not shown), a tube cleaning plug, Fig. 5 (not shown), or an explosive tube sealing plug, Fig. 6 (not shown), connected to the end of a transport hose (68) can be moved along the tube 25 by a feed device 47 to insert the selected tool in the selected tube. A control apparatus 50 is connected to the feed device and has a bracket 53 to mount a drum 54 for the transport hose and a control station 61 is remotely connected to the control apparatus and has recording equipment to record data from the eddy current probe.
Patent GB-1451241-A (GB)
Title: Facsimile recorder with guided styli
IPC: H04N1/14
Filed: 1973-12-21
Abstract: 1451241 Selective printing MUIRHEAD Inc 21 Dec 1973 [5 Feb 1973] 59544/73 Heading B6F [Also in Division H4]  A facsimile recorder has a toothed belt 2 on which are carried stylus assemblies 3 each bearing a stylus 9. Each assembly when in the printing position is aligned by contact with guide rails 10, 28 against which they are resiliently urged by member 11. Member 11 may be of polyester or polyurethane foam covered with a low friction material. The member 11 is passed against pin 24 holding the assembly 3 on the belt 2. The recording medium or paper and platen are shown by 7 and 8. The construction of the stylus assembly 3 is the subject of Specifications 1,451,242 and 1,451,243. Electrical contact to the styli 9 may be made through one of the rails 10, 28 or through surface 29.
Patent GB-1314805-A (GB)
Title: Method of forming the screen of a black matrix type colour  cathode ray tube and a cathode ray tube incorporating said screen
IPC: H01J9/227
Filed: 1971-12-23
Abstract: 1314805 Luminescent screens TOKYO SHIBAURA ELECTRIC CO Ltd 23 Dec 1971 [25 Dec 1970] 60193/71 Heading H1D A method of forming a black matrix type colour cathode ray tube comprises forming a photo-sensitive resin film on the faceplate, light exposing through a perforated mask from an annular light source to expose dots smaller than the mask holes, washing (e.g. with water) and removing unexposed portions, forming a graphite film over the entire surface, removing the remaining photosensitive areas with the associated graphite film (e.g. with hydrogen peroxide) to obtain matrix holes, and coating the matrix holes with red, green and blue emitting phosphors. The photosensitive resin may be polyvinyl alcohol, an etchant at the washing and removing is a solution of hydrogen peroxide. The annular light source (e.g. h.v. Hg and lamp) may have the width of an annulus of 0À5 to 1 mm. and a mean diameter of 1À5 to 3À0 mm. The matrix film area may be 40 to 50% of the picture area, the reflection of external light is prevented, phosphor emission ducts secondary electrons is suppressed and contrast is increased, Fig. 1 (not shown), indicates three electron guns (17) and Al film (7) prevents build up of electrostatic charge and reflects phosphor emissions towards the observer. Connecting lens (21), Fig. 2b (not shown), includes connecting lens (21) ensuring central holes are larger than peripheral ones. After coating the matrix holes and matrix material with the phosphor layer, exposure is by a point source (30), Fig. 2 (not shown). In Fig. 3 (not shown), light source to faceplate distance L 0  may be 280 mm., faceplate to mask distance 10 mm., mask holes 0À33 mm. diameter, annulus d 0À7 mm., diameter D 2 mm., the matrix having holes of 0À26 mm. diameter at the central part and 0À23 at the periphery.
Patent GB-1281557-A (GB)
Title: Manufacture of finned tubing
IPC: B21C37/26
Filed: 1969-12-11
Abstract: 1281557 Making helically fined tubing; rolling tubes HEAT EXCHANGERS AFRICA Ltd 11 Dec 1969 [12 Dec 1968] 60505/69 Headings B3A B3E and B3M A tube 14 is fed axially and rotationally about its own axis by rollers 16 whose rotational axes are at a slight angle to the tube's axis. Fin metal strip 12.1 is guided by means 18 into a nip region 20 between a cylindrical roller 22 and a dish shaped roller 24 which are arranged so that their axes of rotation intersect the tube's axis and define a triangle in association therewith. In this nip region the metal strip is rolled so that the strip becomes thinner radially outwards away from the axis of the tube. The root end of the roll formed strip enters into a helical groove formed by grooving edges 16.1 on the feed rollers 16. The feed rollers also have closing lands 16.2 adapted to pass between the adjacent coils of the helically positioned fin on the tube to close the sides of the groove on to the root edge of the fin. In another embodiment the metal strip is formed into an L-shape and coiled on to the tube with the axial spacing 12.4 between adjacent coils of the fin being determined by the length of the root formation 12.3.
Patent GB-1254321-A (GB)
Title: Improvements in amine-functional organopolysiloxane, salt thereof and polish composition therefrom, and method of making novel copolymers
IPC: C09D183/04
Filed: 1968-12-23
Abstract: 1,254,321. Polishes containing polysiloxanes. GENERAL ELECTRIC CO. 23 Dec., 1968 [26 Dec., 1967; 17 July, 1968], No. 61076/68. Heading C5D. [Also in Division C3] Emulsion polish compositions contain an organopolysiloxane prepared by partial hydrolysis and condensation of a mixture of (1) a liquid hydroxyterminated polydiorganosiloxane (2) an aminoalkyl trialkoxysilane and (3) an aminoalkoxyalkyl trialkoxysilane and containing 1-15 wt. per cent alkoxy groups and 0À04- 1À00 unit from (2) plus (3) per unit from (1) (see Division C3), wherein 10-50% of the amine groups are in the form of a salt of an aliphatic carboxylic acid. Preferred compositions contain by weight 0À2-6% of the polysiloxane, 10- 60% solvent, 0À5-5% emulsifier, anionic, cationic or non-ionic, 20-85% water, 0-7À5% wax, 0-15% abrasive, 0-2% thickener, and 0-6% of a conventional liquid silicone. In examples various polysiloxane partial salts are prepared and compounded with water; mineral spirits or isoparaffins and optionally kerosene; sorbitan mono-oleate and oxyethylenated sorbitan mono-oleate, or sorbitan sesquioleate; microcrystalline wax; aluminium silicate; a polydimethylsiloxane oil; and a carboxyvinyl polymer neutralized with morpholine and triethanolamine.
Patent GB-1284309-A (GB)
Title: Method of heating or melting metals
IPC: C22B9/00
Filed: 1969-12-16
Abstract: 1284309 Gas or liquid fuel burners UNION CARBIDE CORP 16 Dec 1969 [17 Dec 1968] 61123/69 Heading F4T [Also in Division C7] A burner for producing a flame containing molten or semi-molten particles for improving heat transfer includes a conduit 12 for a suspension of the particles in a liquid fuel, the conduit communicating through passage 14 with swirl chamber 16 which discharges through orifice 18 into throat 20. Oxygen is supplied through passage 22 and vanes 24 to the throat while coolant is passed through passages 11, 13, 15, 17. The burner is used for melting charges of scrap metal.
Patent GB-1274220-A (GB)
Title: Improvements in or relating to run-out troughs for extrusion presses
Inventor: KENNEDY OSWALD
IPC: B21B29/00
Filed: 1968-12-23
Abstract: 1,274,220. Extruding. VICKERS Ltd. 10 Dec., 1969 [23 Dec., 1968], No. 61162/68. Heading B3P. A run-out trough for an extrusion press comprises a carriage 2 with a trough 4 and an extension trough 7 which extends as the carriage is moved away from the press. The trough 4 is made of two parts 4A, 4B hinged together so that the height of the forward end of the trough can be altered. The extension trough 7 has a latch 11 which engages a retractable stop 12, as the carriage retracts. The stop is spring biased into its retracted position and advanced by a roller 22 engaging a cam 23 on the carriage. The extension trough is guided on roller bearings (8), Fig. 2 (not shown), or bronze strips (9), Fig. 4 (not shown), or by pins engaging slots.
Patent GB-1338240-A (GB)
Title: Thrust reversing device
IPC: F02K1/62
Filed: 1970-12-23
Abstract: 1338240 Turbojet engine thrust reversing MOTORENUND TUBINEN-UNION MUNCHEN GmbH 23 Dec 1970 [24 Dec 1969] 61298/70 Heading B7G [Also in Division F1] A turbojet engine has a thrust reversing assembly comprising a cylinder 4 including a cascade of vanes 5, which cylinder is movable from an inoperative position, Fig. 1, where the vanes are isolated from a gas jet which, in use, passes through a jet pipe 3, to a thrust reversing position, Fig. 2, where the gas is deflected, by flaps 24 located downstream of the jet pipe 3 and pivotable from recesses 24<SP>1</SP> in a propulsion nozzle to block or substantially block gas flow downstream of the cylinder, through the vanes 5 which further deflect the gas for thrust reversing. Hydraulic or pneumatic rams are mounted in pairs, e.g. 41, 42 round the jet pipe 3 and act together to move the cylinder 4 and the nozzle 14 together, this movement causing an actuating device to pivot the flaps 24 via rods 34, 38 and actuating ring 36. There may be a plurality of devices 26 equally spaced round the pipe 3. The flaps 24 only partially block gas flow and allow a small discharge of propulsion gas F, Fig. 2. The thrust nozzle 14 is a variable area nozzle having flaps pivotable about pins 16 (one is shown) from a minimum area inner position (shown in solid lines) maintained during thrust reversing and an outer position (dot-dash lines in Fig. 1) when an after-burner (not shown) of the engine is used. The pivoting outwards is caused by a section 12 which moves downstream on rollers 13<SP>1</SP>, pushed by rams 42 acting independently of rams 41, and slides under the outer wall of the flaps of the nozzle 14. Damping  means may be provided on the rams 41, 42 to prevent them operating too quickly as a result of gas pressure on flaps 24.
Patent GB-620025-A (GB)
IPC: H01T13/05
Abstract: 620,025. Electrical transformers. MALLORY & CO., Inc., P. R. July 31, 1945, No. 14801./47. Convention date, Aug. 12, 1944. Divided out of 619,947. [Class 38 (ii)] [Also in Group XXVII] In a combined sparking-plug and electrical ignition transformer having in a chamber in a metallic casing of the plug a transformer including a cup of insulating material, a secondary winding between the cup and the wall of the chamber having its ends connected to the electrodes of the sparking-plug, and a primary winding mounted in the cup, the transformer is a step-up transformer and the secondary winding is wound upon the exterior of the cup. The transformer is adapted to fit into a sparking- plug of conventional construction. As shown (Fig. 1), the secondary winding of the transformer is wound on a small glass cup 83 which may be of the material known under the Registered Trade Mark " Pyrex " and fits closely within the insulation 77 of the plug barrel. One end of the secondary is anchored. to the cup by a blob of metallic material and this blob is soldered to a piece of metal foil which is folded over and makes contact with the end 79 of the central electrode. The other end of the winding is anchored to the surface of the glass cup adjacent to the rim by a blob of metallic material such as a silver compound preferably tinned with solder to anchor the wire. The secondary may be connected to the sparking-plug barrel by the contact of a projecting end 42, with the barrel 87. The primary winding is wound on a core 88 of insulating material which fits within the cup 83. Suitable materials for the core are asbestos filled material sold under the Registered Trade Mark " Bakelite " or material sold under the Registered Trade Mark " Mycalex " or glass. The end of the primary is connected to a washer 93 which is soldered to the end of a conductor 38 of the high-tension lead 109. In a modification, Fig. 4, the primary has an air core and is supported by a rod 149 mounted in an insulator 148. The outer end of the rod contacts a terminal button 143 on the end of the conductor 38. The insulator 148 is held in a sleeve 146 with a flange 147 held by turning over the upper end of the shielding barrel of the plug. The end of a braid 40 adjacent the sparking-plug is connected to the outer shielding of the cable by sleeves 300 and 139. The entire transformer space in the sparking-plug may be saturated with a suitable insulating compound such as a fluid polymerizing resin. Specification 619,947 is referred to.
Patent GB-1294676-A (GB)
Title: Improvements in or relating to diaphragm pumps
IPC: F04B43/02
Filed: 1969-12-19
Abstract: 1294676 Diaphragm pumps MUNSTER SIMMS ENG Ltd 19 Dec 1969 62140/69 Addition to 1,123,616 Heading F1A The hand operated diaphragm pump of the Parent Specification has the operating lever 26 selectively mountable in any one of a number of angular positions. A plurality of holes are spaced around the perphery of the pump casing 10, the lever 26 being pivoted on a pin 23 which extends between two spaced pillors 22 arranged to be fixed in any two adjacent holes. An extension piece 28, Fig. 3 (not shown) may be inserted between the arm 240 of the lever and pivot pin 25 carried by the diaphragm 14. Reference has been directed by the Comptroller to Specification 1, 224, 481.