baber/WOPTO huggingface dataset:
Patent GB-1293213-A (GB)
Title: Reflector for light fittings, particularly street lights
IPC: F21V17/00
Filed: 1970-08-24
Abstract: 1293213 Reflectors LICENTIA PATENTVERWALTUNGS GmbH 24 Aug 1970 [26 Aug 1969] 40685/70 Heading F4R A street lamp reflector of trough shape comprises plane end walls 1, 2, having marginal contours corresponding to the required reflector shape and an anodized metal sheet 3 drawn over the edges 1a, 2a of the end walls so as to be shaped by them when tightened by means of screws. Stiffening rails 4, 5 provide rigidity.
Patent GB-1394963-A (GB)
Title: Method for the production of surface-treated glass
IPC: C03C17/25
Filed: 1973-08-30
Abstract: 1394963 Surface-treated glass TRANSGLAS PATENTUND LIZENZVERWERTUNGS AG 30 Aug 1973 [30 Aug 1972] 40959/73 Heading C1M A process for surface-treating glass (e.g. by colouring) comprises causing a solution of at least one metal compound in a substantially anhydrous solvent, and suspended in a carrier gas (e.g. as an aerosol), to impinge, at at least 3 atmospheres excess pressure, and in an oxygencontaining atmosphere, upon the surface of not yet solidified glass, a metal oxide layer forming on the glass and at least partially diffusing into the glass surface. The carrier gas may be oxygen-free (e.g. an inert gas). The glass may be a soda-lime-silica glass in continuous ribbon form. Preferably a total of less than 0À05 ml./ cm<SP>2</SP>. (of surface) of solution is applied. The solution may be prepared at a temperature which is at most 30‹ C. below its boiling point and at least 10‹ C. above the temperature at which crystals begin to form. This solution may be admixed with pressurized gas and applied (at, e.g. 3-8 atmospheres excess pressure) to the ribbon through a jet, which may be at an angle of 105-112 degrees to the glass surface moving away from the jet. The metal compound(s) may be metal oxides, metal salts or organo-metallic compounds (e.g. manganous or chromic acetates), and the metal of the compound may be Mn, Fe, Cr, Mo, Co, V or W. The solvent may be a carboxylic acid (e.g. formic, acetic, propionic or butyric acids) or hydroxy-compound (e.g. butanol, phenol or naphthol).
Patent GB-914320-A (GB)
Title: Method and apparatus for the testing of fluids
Inventor: OUVRARD PAUL
IPC: G01N25/04
Filed: 1960-11-29
Abstract: 914,320. Temperature measurement. ANTAR PETROLES DE L'ATLANIQUE. Nov. 29, 1960, No. 41035/60. Class 40 (1). [Also in Groups XXXV and XL (b)] The purity of a test fluid fed via supply valve 11 to chambers 3, 2 is determined by recording the temperature at which crystallization begins in the test fluid due to cooling by expansion of CO 2  under pressure fed via nozzle 5, the onset of crystallization being detected by comparison of the outputs of photo-cells 17, 18, the temperature-sensitive element being a thermistor 19 and comparator 20 output controlling valve 11 to maintain test fluid input rate such that constant turbidity in chamber 3 ensues. The mixture is freed from CO 2  bubbles by vent port 13 and test fluid is discharged via pipe 23, 22. The fluid tested may be paraxylene. The cooling fluid may be freon or air. Windows 14, 15 may comprise two transparent walls enclosing vacuum. Valve 11 is actuated to open or close, or is adjustable by a system incorporating a reversible motor. Thermometer 19 output signal may be used to modify a process of manufacture whenever the temperature sensed drops below a prescribed value indicative of minimum permissible purity of the manufactured product.
Patent GB-1327056-A (GB)
Title: Artificial eyes
IPC: A61F2/14
Filed: 1970-08-26
Abstract: 1327056 Artificial eyes M STOVER 26 Aug 1970 [1 Sept 1969] 41072/70 Heading A5R An artificial eye of unbreakable plastics material comprises a main part 1 having a rearwardly extending and tapering tubular cavity 6 having at its front end a metal tube 4 and the rear portion having an opaque wall 9 formed at its rear end with an annular groove 7 adapted to hold the eye by suction against the rear wall of an eye socket, the cavity 6 having at its forward and rear ends respective lenses 3a and 8 forming part of an electronicvisual aid. The front lens 3a is held in position by a metal ring 5 which together with the periphery of the lens is concealed by a part 2 of the eye. The eye may be made of polymethyl methacrylate or epoxy resin applied in layers, and is preferably provided with a protective layer of plastics. A method of making the eye comprises the step of making a casting of an eye socket to be fitted using a material such as gelatine which melts at a suitable temperature, and using such as casting to determine the necessary shape of the artificial eye.
Patent GB-411168-A (GB)
Abstract: 411,168. Electrically-actuated valves. WEBB, J., 35, Claremont Grove, Didsbury, Manchester. Sept. 6, 1933, No. 24808/32. [Class 135.] In remote control means for igniting a gas burner b, the gas valve i is controlled by an armature h operated by a solenoid k, wound in reverse directions at its respective ends and located within a tubular permanent magnet g. The control switch r comprises a pair of spring plate contacts 1, 2, the contact 2 being carried by, but insulated from, a terminal 3 and normally engaging a contact 4, electrically connected to the terminal 3 but insulated from the base end of the contact 2, a terminal 6 carrying a plate contact 7 and contacts 9<a>, 10 connected respectively by conductors 13, 12 with the contact 1 and terminal 3. The blades 14, 16 and 15, 17 of a pivoted quadruplex blade contact are electrically connected with terminals 8, 9 connected with the battery q. When the switch handle w is moved downwards against the action of a spring x, to cause the contacts 14, 15 to engage the contacts 1, 2 current flows through the solenoid k and the armature h is attracted by the pole-piece g<1> and repelled from the pole-piece g<2> to open the valve i. The switch handle is then returned to the normal position and is moved in the opposite direction to engage the contacts 16, 17 with the contacts 10, 9<a> and effect a reverse flow of current in the solenoid k for closing the valve i. As shown, the burner is ignited by a pilot-jet 25, a valve 26 being opened by the armature h while the filament circuit is closed by a spring 27 when the switch is returned to the normal position. The valve i may be opened manually by means of a spring-pressed plunger y.
Patent GB-1153076-A (GB)
Title: Crushing Process and apparatus with Sonic Wave Action
Inventor: BODINE ALBERT GEORGE JR
IPC: B02C1/00
Filed: 1966-09-15
Abstract: 1,153,076. Jaw crushers. A. G. BODINE. 15 Sept., 1966, No. 41250/66. Heading B2A [Also in Division F2] Crushing apparatus comprises a pair of opposed jaws 14, 15; a "sonic wave" generator 20 coupled by a transmission system vis. a shaft 16 to a vibratory jaw 15, and a liquidconfining cavity between the jaws. A hopper 26 is supplied and topped up with water via a pipe 69. Sealing elements 27, which closely fit the sliding surfaces of the jaws, prevent substantial leakage of water from the chrushing chamber.
Patent GB-1128616-A (GB)
Title: Methods and materials for recording information
IPC: B41M5/36
Filed: 1965-09-29
Abstract: 1,128,616. Electrostatic charging and development; thermographic processes. KEUFFEL & ESSER CO. Sept.29, 1965 [Oct.2, 1964], No.41433/65. Headings G2C and G2H. [Also in Division G5] A thermoplastic layer, preferably of the plasticized or co-polymer type is selectively impressed by infrared radiation applied by a heated stylus modulated thermally or mechanically, a laser or an infrared source modulated by a shutter or a master record. The information is retrieved by electrical sensing, by a capacitive probe or ohmic contact. Invisible images are formed which are detectable by (a) polarised light (b) a dye solution or electro-photographic toner Examples of records are:- (1) a 0À5 mil layer of polyethylene on kraft paper (2) an infrared absorbing thermoplastic tape (3) a magnetic tape whose base forms a layer on which a thermal recording and an independent magnetic recording may both be made.
Patent GB-1055258-A (GB)
Title: Production of polymers of ethylene
IPC: C08F10/00
Filed: 1963-10-22
Abstract: Ethylene (with optionally an ethylenically unsaturated monomer) is polymerized at elevated temperature and pressure in the presence of a free-radical generating initiator in an elongated reaction zone in which the reaction mixture is recycled, e.g. from a point in the reaction zone to another point upstream at which the pressure is higher, a portion of the total reaction mixture is withdrawn to recover the polymer and changes are detected in the pressure of the reaction mixture which is then adjusted so as to minimize such changes.  The ethylene may be copolymerized with vinyl acetate, ethyl acrylate, vinyl propionate, propylene, butene-1, acrylonitrile or vinyl chloride. The pressure changes may be detected at the inlet or outlet of the reaction zone and adjustments may be made to the pressure or rate of flow of the recycled reaction mixture or to the pressure of the monomer and initiator fed to the system or of the total reaction mixture removed from the polymerization system.  The polymerization pressure may be 15,000-50,000 p.s.i. and the temperature may be 110-300 DEG C.  The polymerization initiator may be oxygen and propane may be used as chain transfer agent.  The Specification illustrates in Figs. 1-3 (not shown) three types of apparatus for use in carrying out the present invention.
Patent GB-1358419-A (GB)
Title: Cutting tool and a machine including the same
IPC: B27C7/00
Filed: 1971-09-07
Abstract: 1358419 Producing spherically curved bodies; cutting tools NOT LOOF 7 Sept 1971 [8 Sept 1970] 41766/71 Headings B3T and B3B In a machine tool for producing spherically curved hollow bodies the tool holder 28 is mounted in a pivotable carrier 26, swingable about a vertical axis 22, on a cross slide 16 of the machine. The slide carries a gear-box 20 incorporating a worm and wheel drive to pivot the tool holder carrier 26. The tool holder 28 includes an end portion 29 formed as a spherical segment and to which is secured by brazing a cutting tool bit 30. The workpiece 13 is carried in a chuck 11, rotatable about a horizontal axis and the tool bit 30 is fed into the rotating workpiece by the pivoting action of the holder with the carrier. A pipe 38 extends from adjacent the cutting tool bit 30 along the holder portions 29 and 28 and communicates with a valve controlled duct in the carrier 26 to supply air for the cooling of the bit and removal of chips.
Patent GB-975961-A (GB)
Title: Improvements in and relating to an optically pumped resonant medium tuning arrangement
IPC: H03L7/26
Filed: 1961-11-22
Abstract: 975,961. Optical pumping arrangements; automatic frequency control systems. SPACE TECHNOLOGY LABORATORIES Inc. Nov. 22, 1961 [Nov. 22, 1960], No. 41783/61. Headings H3A and H3B. In an arrangement for use in a retroactive frequency control system, in which arrangement atoms in a resonant medium gas cell are pumped from a first to a second quantum level by a collimated light beam and return from the second to the first level with the assistance of R.F. electromagnetic radiation, and in which the light traversing the cell is detected, an opaque region is positioned in the light beam to block a portion thereof whereby the sensitivity of the arrangement to changes in the frequency of the R.F. radiation is increased. Cell 10 contains rubidium (27.7% Rb 85, 73.3% Rb 87) with neon +argon as a buffer gas, and has an opaque region 40, preferably covering at least 5% of the area of the end face. Light source 13 includes a tube 14 containing Rb 85, with argon as a buffer gas, which is excited by h.f. oscillator 16 and has a region 21 at the focal point of reflector 20. A filter 24 is preferably provided. Light of about 7800.23 Š passes through cell 10 and is partially absorbed in pumping atoms from one level to another. A 6834 mc./s. signal is applied in the TE 011  mode to the cell and tends to return the atoms to their original state. If the frequency of source 30 changes, the latter process becomes less efficient, fewer atoms are available for pumping to the higher level, and the amount of light absorbed is correspondingly reduced. The rate of change in output of silicon solar cell detector 32 is applied as an error signal to correct the frequency of oscillator 30. The stabilized oscillator may supply an atomic clock mechanism 36. Opaque regions 40a, 40b may also be provided on the detector or lamp.
Patent GB-1420129-A (GB)
Title: Process for the partial selective hydrogenation of oils in  the presence of mixed metal catalysts and process for the prepa ration of such catalysts
IPC: C11C3/12
Filed: 1973-09-05
Abstract: 1420129 Hydrogenation catalyst HARBURGER OELWERKE BRINCKMAN & MERGELL 5 Sept 1973 [23 Sept 1972] 41846/ 73 Heading B1E [Also in Division C5] A mixed catalyst for the hydrogenation of oils comprises nickel and silver, present as catalytically active metals, in a weight ratio of 35 to 95 parts Ni and 65 to 5 parts Ag per 100 parts of total nickel and silver, is prepared by (a) impregnating an inorganic oxide carrier with an aqueous solution of a water-soluble silver salt and of a nickel salt or precipitating nickel and silver compounds onto such a carrier from such solutions, (b) separating and drying the resulting mass, and (c) reducing in a stream of hydrogen. The carrier may be alumina, silica gel, kieselguhr or molecular sieves. The Examples relate to silica gel-supported catalysts which are taken up in refined soya oil after reduction.
Patent GB-1011013-A (GB)
Title: Disaggregated gamma globulin and process for preparing it
IPC: A61K38/00
Filed: 1961-11-23
Abstract: A disaggregated human gamma globulin, freed from substances affecting the complement system of human serum and having a sedimentation constant S within the range of from 3.0 to 5.5, is prepared by treating a gamma globulin fraction of human serum, in an aqueous medium at a pH of from 1.5 to 5.5 and at a temperature of from 0 DEG to 50 DEG C., with pepsin until no anti-complement activity (in respect of human serum) is detectable, removing low molecular weight impurities from the disaggregated gamma globulin so obtained, filtering the product under sterile conditions, and, if desired, lyophilising the product so obtained.  The removal of the low molecular weight impurities may be achieved, for example, by fractional precipitation with salts or organic solvents or by ultrafiltration.  The initial gamma globulin fraction may be one obtained by precipitation from human serum with ammonium sulphate or alcohol.
Patent GB-1182212-A (GB)
Title: Polyenic Alcohols, Aldehydes and Acids
Inventor: BERTELE ERHARD
IPC: C07C45/72
Filed: 1968-09-04
Abstract: 1,182,212. Polyenic aldehydes, alcohols and acids. L. GIVAUDAN & CIE S.A. 4 Sept., 1968 [15 Sept., 1967], No. 41975/68. Heading C2C. Compounds of Formula I where R is CH 2 OH, CHO or COOH and the broken lines represent a double bond emanating from C-atom 3 are prepared by ozonizing and reducing the ozonization product to the alcohol or ketone or oxidizing it to the acid, using known methods. The aldehydes of Formula I are converted to sinensals by reaction with or by reaction with (R 1 =C 1-6  alkyl) to give a tetraene ester of formula reducing this to the corresponding alcohol and oxidizing the latter to sinensal is prepared by reacting EtI with (Ph) 3 P and reacting the resulting ethyltriphenylphosphonium iodide with butyllithium and methyl formate.
Patent GB-1268088-A (GB)
Title: Coloured pile fabrics
Inventor: ROBINSON DEREK GILBERT
IPC: D06M23/16
Filed: 1969-08-22
Abstract: 1,268,088. Finishing fabrics; pile fabrics. IMPERIAL CHEMICAL INDUSTRIES Ltd. 7 Aug., 1970 [22 Aug., 1969], No. 42032/69. Headings D1K and D1S. A pile fabric exhibiting a multi-tone effect after dyeing and comprising polyester fibres in the pile, is produced by polishing a fabric so as to heat at least a proportion of the polyester fibres near the pile surface to a temperature above the highest temperature reached by the fibres in a previous heat treatment and subsequently dyeing the fabric. The term "polishing" denotes relative movement in frictional contact between a heated surface and a fabric pile and may be accomplished by at least one heated element, e.g. a rotating heated cylinder, a heated flat plate or a number of moving bars or wires. In one Example, crimped polyethylene terephthalate fibres in a sliver knit pile fabric are heat set at 150- 200‹C and end portions thereof are polished at 220-240‹C. In a second Example, crimped polyethylene terephthalate fibres are heat set at 100-120‹C and processed into a cut pile fabric which is polished at 160-190‹C.
Patent GB-1058057-A (GB)
Title: Improvements in flooring materials
Inventor: BARLOW ALEC RODNEY
IPC: E04F13/10
Filed: 1964-10-15
Abstract: 1,058,057. Floor panels. GREENGATE & IRWELL RUBBER CO. Ltd. Oct. 8, 1965 [Oct. 15, 1964], No. 42079/64. Heading E1W.  A flooring panel A having a filling b of foamed polystyrene comprises upper and lower sheets a' of hardboard, wood or asbestos lying within a wooden frame a, the whole panel being enclosed in glass fibre B impregnated with a resin such as isophthalic polyester to render it resistant to chemical action. The panels are supported by steel or wooden beams C having a covering such as synthetic rubber. The upper panel surface may be coated with carborundum to provide a non-slip tread.
Patent GB-895126-A (GB)
Title: Improvements in or relating to devices for measuring the plasticity of substances
IPC: G01N33/44
Filed: 1959-12-11
Abstract: 895,126. Mixing screws. GANN APPARATE -UND MASCHINENBAU-G.m.b.H. Dec. 11, 1959 [March 13, 1959], No. 42150/59. Class 86. [Also in Group XIX] Apparatus for measuring the plasticity of a plastic material comprises a measuring worm of two-part construction disposed in a housing 8, a first part 2 tending to deliver the material in one direction and a second part 3-6 tending to deliver the material in the opposite direction at a lesser rate, so that the second part retards the movement of and kneads the material, the power required to operate the worm being a measure of the plasticity. The part 2 of the worm is solid and the part 3-6 consists of double-ended blades which are so disposed that they provide sector-shaped spaces each bounded by the edges of adjacent blades and the wall of the housing 8. It is through these spaces that the material is delivered by the greater force of the solid worm 2. This arrangement ensures that the solid worm is completely immersed in the material during measuring.
Patent GB-1471154-A (GB)
Title: Azidoformates and sulphonazides
IPC: C08F220/54
Filed: 1973-09-10
Abstract: 1471154 Fluorocarbon azidoformates and sulphonazides IMPERIAL CHEMICAL INDUSTRIES Ltd 9 Aug 1974 [10 Sept 1973] 42426/73 Heading C2C [Also in Division D1] Novel compounds containing a fluorocarbon chain and at least one azidoformate or sulphonazide group are prepard by either (a) reacting a chlorocarbonyloxy alkyl ester of a perfluorooarboxylic acid with NaN 3  or with NH 2 NH 2  followed by nitrous acid; (b) converting a chlorocarbonyloxy substituted perfluorocarboxylic acid amide to an azidoformate by method (a); (c) reacting a sulphonyl halide substituted perfluorocarboxylic acid amide with NaN 3  or (d) reacting a perfluorohydrocarbyl ether of an aryl sulphonyl halide with NaP 3 . Amongst numerous examples the compounds and are produced. # - Chorocarbonyloxy) ethyl perfluorooctanoate is prepared from the corresponding #-hydroxyethyl ester and COCl 2 . Perfluorooctano - (p - N - ethyl - # - hydroxyethylamino) anilide is prepared by reacting perfluorooctanoyl chloride with 4-amino-N-ethyl- N-#-hydroxyethyl aniline. (2 - Hydroxy - 3 - chloropropyl) perfluorooctanoate is obtained from the free acid and epichlorohydrin. Perfluorooctanoic acid N,N - bis(# - chlorocarbonyloxyethyl) amide is obtained by reacting the corresponding #-hydroxyethyl derivative with COCl 2 . p - (Perfluorooctanamido) phenylsulphonyl fluoride is produced from p-aminobenzenesulphonyl fluoride and perfluorooctanic acid chloride.
Patent GB-1177508-A (GB)
Title: Rolling Mills.
Inventor: BRIGGS PETER RICHARD ASHWORTH
IPC: B21B38/02
Filed: 1966-09-23
Abstract: 1,177,508. Rolling. DAVY & UNITED INSTRUMENTS Ltd. 18 Sept., 1967 [23 Sept., 1966], No. 42539/66. Heading B3M. [Also in Division G3] The rolls 25 of a mill are bent by hydraulic cylinders 21 in response to measurements of variations in the thickness of strip 23 across its width, to maintain the strip shape uniform. Pairs of air jets 26a, 27a to 26r, 27r measure the strip gauge, the measurements being converted to electrical signals in a console 29, and being compared with one another or with signals representing a desired strip gauge. Output signals on lines 30, 31 are used to control the bending cylinders 21, and may additionally be used to control one or both screwdowns 16.
Patent GB-1498350-A (GB)
Title: Perforated tray for taking an impression of an upper or a lower jaw which may be dentulous or edentulous
IPC: A61C9/00
Filed: 1976-10-15
Abstract: 1498350 Impression trays J SCHREINEMAKERS 15 Oct 1976 [21 Oct 1975] 42896/76 Heading A5R A tray for taking an impression of a lower jaw, Fig. 1, or an upper jaw, Fig. 3, is provided with a plurality of perforations 1 in the form of elongated slits for anchoring the impression material in the tray. The slits, which are of constant width from end to end, extend substantially perpendicular to the vestibular outline of the tray when viewed from above or below, and in the tray for the lower jaw the slits also extend substantially perpendicular to the lingual outline of the tray when viewed from above. The part 2 of the tray which covers the crest of the jaw or the masticatory surfaces of the teeth is left unperforated, and the tray for the upper jaw has a further unperforated portion 3 which covers the torus palatinus. The width of each slit increases from the inner surface to the outer surface of the tray.
Patent GB-1483729-A (GB)
Title: Process for the preparation of an alkylsuccinic acid or the anhydride thereof
IPC: C08F8/00
Filed: 1973-09-13
Abstract: 1483729 Polyalkenyl succinic acid and derivatives thereof SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 11 Sept 1974 [13 Sept 1973] 43048/73 Heading C3P [Also in Division C5] C 50-700  alkenyl succinic acid or anhydride is prepared by (a) heating a polyolefin, e.g. polyisobutylene, with maleic anhydride at a temperature above 150‹ C., (b) optionally hydrolysing the resulting anhydride to the acid, (c) adding a solvent, e.g. white spirit, to the reaction mixture during or after cooling, and (d) washing the resulting solution with a mixture of water and up to 60 wt. per cent of a monoalcohol, e.g. isopropanol, the solvent used in (c) being substantially miscible with the reaction mixture and substantially immiscible with water and the mono-alcohol. The product may be hydrogenated. The products are used to make lubricant and fuel additives, e.g. by esterification with a polyalcohol, preferably using the method of Specification 1,483,728.