baber/WOPTO huggingface dataset:
Patent GB-1372960-A (GB)
Title: Method for the continuous extraction in counterflow of powdered materials and an apparatus for carrying out this method
IPC: A23F5/26
Filed: 1972-10-24
Abstract: 1372960 Extracting powdered material in counterflow NIRO ATOMIZER AS 24 Oct 1972 [4 Nov 1971] 49065/72 Heading B1Q [Also in Division A2] Powdered material 'such' as roasted and ground coffee beans are fed by hopper 4 to screen 6, which could be a vibrating screen, and the graded particles passing through the screen are thus fed to different points in the extraction apparatus 2. The smaller particles thus pass through the smaller portion of the extraction apparatus and the thread of the worm is made to allow for the increase in quantity of solids being treated as they pass through the apparatus. Proportions of grain sizes are exemplified. For Figure see next column
Patent GB-1123625-A (GB)
Title: Atmosphere generator system
IPC: B01J19/14
Filed: 1965-11-19
Abstract: 1,123,625. Burning noxious gases. WHIRLPOOL CORP. 19 Nov., 1965 [3 Dec., 1964], No. 49351/65. Heading F4B. In a generator of combustion products for food preservation, the effluent from a catalytic combustion apparatus 11 is passed through heat exchangers 21, 22 before being stored, and part of the gases are recirculated to mix with the fuel/air mixture before the generator 11. The recirculated stream may be taken from the output of the first heat exchanger 21, or may be taken from the output of the second heat exchanger and reheated in the first heat exchanger before joining the feed to the generator (Fig. 2, not shown).
Patent GB-1067439-A (GB)
Title: Emulsion polymerization process
Inventor: AZORLOSA JULIAN LOUIS
IPC: C08F2/22
Filed: 1963-12-16
Abstract: Conjugated diolefines and compounds containing at least one unconjugated carbon to carbon double bond are polymerized in aqueous emulsion in the presence of a protective colloid and 0.01 to 10% by weight of the monomers of an emulsifying agent which is the reaction product of 1 mole of phosphorus pentoxide with 0.3 to 4.5 moles of a nonionic surface-active reaction product of at least 1 mole of an alkylene oxide cotaining 2 to 4 carbon atoms with 1 mole of a compound containing at least 6 carbon atoms and at least 1 reactive hydrogen atom.  Specified monomers are vinyl acetate, vinyl and isopropenyl ketones and ethers, styrene and substituted styrenes, vinyl naphthalene, divinyl benzene, acrylic and substituted acrylic acids and the esters, amides and nitriles thereof, maleic, fumaric and itaconic esters, vinyl acetylene, vinyl heterocyclic compounds, butadiene and haloprenes.  The alkylene oxide may be ethylene, propylene, butylene, isopropylene or isobutylene oxide or epichlorhydrin, and many suitable compounds with which it may be reacted are listed including alcohols, phenols, thiols, amines, carboxylic and sulphonic acids and the amides thereof.  Specified protective colloids are polyvinyl alcohol, hydroxyethyl cellulose, methyl cellulose, carboxymethyl cellulose, gelatine, maleic anhydride and fumaric acid copolymers, e.g. with methyl vinyl ether, gum arabic, gum tragacanth and alginates. Polymerization may be effected in the presence of catalysts, e.g. inorganic and organic peroxy compounds and other oxygen sources, mixtures thereof with reducing agents such as alkali metal bisulphites, and azo compounds, many suitable catalysts being listed.  An example describes the polymerization of vinyl acetate in aqueous emulsion in the presence of potassium persulphate, hydroxyethyl cellulose and the reaction product of 1 mole of phosphorus pentoxide with 2.7 moles of a non-ionic surface-active reaction product of 1 mole of nonyl phenol with 9 moles of ethylene oxide.
Patent GB-1282290-A (GB)
Title: Liquid hydrocarbon fuels
Inventor: OSMOND DESMOND WILFRID JOHN
IPC: C10L1/16
Filed: 1969-10-10
Abstract: 1282290 Aircraft fuels IMPERIAL CHEMICAL INDUSTRIES Ltd 2 Oct 1970 [10 Oct 1969] 49835/69 Heading C5G An hydrocarbon aircraft fuel of flash point at least 90‹ F. contains a copolymer of ethylene with a higher olefin, e.g. propylene, which contains not more than 95 wt. per cent ethylene, has a molecular structure comprising at least 2 runs of at least 10 units of ethylene separated by runs of hydrocarbon-soluble polymer and is random copolymer of ethylene and higher olefin or homopolymer of the higher olefin, the polymer having a viscosity average molecular weight of at least 10,000. The runs of ethylene form associative bonds in the fuel which produces a cross-linked (gel) structure in the fuel. A solution of the copolymer, which forms a cloudy solution at room temperature, can be made by heating the fuel with 0À01-10 wt. per cent of the copolymer and thereafter cooling and optionally diluting with additional fuel. The fuel can contain dissolved copolymer of molecular weight at least 10<SP>6</SP> or if intrinsic viscosity greater than 2À5 dls./gm. in a concentration such that there is molecular overlap of the dissolved copolymer in the fuel.
Patent GB-1253828-A (GB)
Title: 2,3-EPITHIO-5alpha-ANDROST-6-ENE STEROIDS
IPC: A61K38/22
Filed: 1968-10-22
Abstract: 1,253,828. 2,3-Epithiosteroids. SHIONOGI & CO. Ltd. 22 Oct., 1968 [25 Oct., 1967], No. 50094/68. Heading C2U. Novel compounds of formula (wherein R is H, acyl, an optionally substituted cyclic hydrocarbon group having a total of up to 10 carbon atoms, optionally substituted tetrahydrofuranyl or optionally substituted tetrahydropyranyl; and R<SP>1</SP> is H or C 1-4  hydrocarbyl) are prepared by basification of 2α-Y-3#-hydroxy or 3α-Y-2#-hydroxy compounds of formula (wherein Y is a group containing an "active sulphur atom") optionally after replacement of the 2- or 3-hydroxy group by a halogen atom or an alkanoyloxy or sulphonyloxy group. Specified values of Y are thiocyanato, alkanoylthio, alkoxycarbonylthio, aryloxythiocarbonylthio, alkoxythiocarbonylthio, arylformimidoylthio and amidinothio. A compound I wherein R is H may be esterified or etherified to give other compounds I. A compound I wherein R = R<SP>1</SP> = H may be oxidized to a 17-one which is then reacted with an organometallic compound to give compounds I wherein R = H and R<SP>1</SP> = C 1-4  hydrocarbyl. Compounds of Formula VI are prepared from compounds of formula .(wherein X is halo) either by reduction of the 3-oxo group, basification of the resulting 2α- halo - 3# - hydroxy compound and reaction of the resulting 2#,3#-epoxide with a compound containing an "active sulphur atom" to give compound VI, or by reacting III with a compound containing an "active sulphur atom" (e.g. an alkali metal ethyl xanthate) and reducing the resulting 2α-Y-3-oxo compound to give compound VI. Compounds of Formula III are prepared by halogenation of the corresponding 2-tmsubstituted compounds. 17# - Hydroxy - 5α androst - 6 - en - 3 - one is prepared from 3#,17#-diacetoxyandrost-5--ene by oxidation to a 5-ene-7-one which is then hydrogenated, brominated at position 6 and reduced at position 7 to give 6#-bromo-3#,17#- diacetoxy - 5α - androstan - 7 - # - ol which is then dehydroxybrominated to give a #<SP>6</SP>-double bond and finally oxidized. Compounds of Formula I are stated to possess antiestrogenic, myogenic, androgenic, uterotropic, antiuterotropic, antimammary growth and implantation delay activities, and may be made up with carriers into pharmaceutical compositions for oral and parenteral administration. Reference has been directed by the Comptroller to Specification 977,599.
Patent GB-1336310-A (GB)
Title: Needling machine for making a pattern on a flat web of textile material
IPC: D04H18/00
Filed: 1970-10-23
Abstract: 1336310 Needling machines JOHANN BORGERS KG 23 Oct 1970 [24 Oct 1969] 50518/70 Heading D1R [Also in Division B5] In a needling machine the needles are either locked against longitudinal movement to penetrate a rising web, or are unlocked by a needling pattern mechanism to ride up on, and not penetrate, the rising web. Web 20 is intermittently fed by rollers 23, 24 between plates 26, 28 which are reciprocated vertically beneath needles 13 each locked in position by a bolt 31. Jacquard mechanism 11 is programmed according to the desired needling pattern to withdraw the bolts 20, via cords 36, to allow the needles to rise in their bores 14 with the rising web. Pins 38 reciprocate with the web to press the risen needle down. The well pattern may take the form of needled recessed areas to give a sculptured effect. The web may be formed from two differently coloured webs, the fibres of the upper web being needled through the lower web to form a coloured pattern on the lower web surface.
Patent GB-1242887-A (GB)
Title: Grinding mill
Inventor: DESBORDERS JEAN
IPC: B02C15/02
Filed: 1968-10-25
Abstract: 1,242,887. Roller-and-ring mills. STEIN INDUSTRIE. 25 Oct., 1968 [25 Oct., 1967], No. 50720/68. Heading B2A. A mill has grinding rollers 11, Fig. 1, mounted on a rotatable plate 10 at the bottom of a grinding chamber 1 and cooperating as a result of centrifugal force with a rolling track 4 or ring which is located above the plate 10. Each roller has a spindle 12 and a pivot 13 permitting the roller to move outwards against the ring 4. Counterweights 16 provide for adjustment of the roller pressure. Feed is via a chute 17, and distribution by blades 18. Air from a volute 2 is deflected at 3 between the rollers and ring and carries away the ground product via an outlet 19. Partially ground material falls back into the mill. A separator may be fed by the mill, and several roller-and-ring stages may be used one above the other in succession. Each roller may be mounted on a shaft 12', 12', Fig. 2 secured at one end to a swingable stirrup 14 which has coaxial pivots 15, 15'.
Patent GB-1046820-A (GB)
Title: Electronic waveform character generator
IPC: G09G1/12
Filed: 1964-12-14
Abstract: 1,046,820. Cathode-ray tube circuits. LOCKHEED AIRCRAFT CORPORATION. Dec. 14, 1964 [Dec. 23, 1963], No. 50890/64. Heading H4T. [Also in Division G4] In an arrangement for tracing Alpha-Numeric characters on the screen of a cathode-ray tube a multi-trace tube is utilized all the beams being deflected by a constant sweep voltage in one co-ordinate direction and by respective ones of selectively applied character defining waveforms in the other co-ordinate direction. Instead of a cathode-ray tube, a light beam oscillograph may be employed the constant sweep then being effected by movement of a light-sensitive recording sheet. The character defining waveforms, most of which are produced by a pulse generator 1, Fig. 6A, utilizing multivibrators and flip-flop circuits (detailed in Fig. 1, not shown) consist, mainly, of rectangular waveforms of different frequency some of which are available in both polarities (Figs. 2A, 2B, 3A and 3B, not shown) and these are fed via a gating circuit 2 (detailed in Figs. 5A and 5B, not shown) selectively in accordance with a decimal type input control input signal in accordance with the character required, to a pair of output circuits A, B to control the horizontal deflection of separate traces of the oscillograph. Some of the waveforms illustrated (F, G, I, L) are produced in the gating circuit, which inverts all inputs waveforms from generator 1, a single trace only being required to produce the numbers 1, 2, 3, 5 and 7 whilst two traces controlled by respective different waveforms are required for the numbers 0, 4, 6, 8 and 9. The manner in which the numbers are produced by selection of a single waveform or of two different waveforms is illustrated by columns 1 and 2 of Figs. 2, A, B, and 3, A, B, with the final result (produced by overlapping two traces where such are employed) illustrated in column 3. The use of two galvanometers of an oscillograph recorder or of a pair of galvanometers in single housing for this purpose is depicted in Figs. 8 and 9 (not shown).
Patent GB-1367507-A (GB)
Title: Textile sizing composition
IPC: D06M15/263
Filed: 1971-11-02
Abstract: 1367507 Sizing textiles COLLOIDS Inc 2 Nov 197 22 Jan 1971] 50935/71 Heading D1P [Also in Division C3] A textile sizing composition comprises a solution in trichloroethane, trichloroethylene, perchloroethylene or methylene chloride of 1 to 25% 'by weight based on the total weight of the solution of a copolymer having a molecular weight of 1,000 to 1,000,000 and consisting of (a) at least one hydrophobic monomer selected from vinyl acetate, vinyl chloride or a C 1 -C 15  alkyl, cycloalkyl, alkenyl, aryl or aralkyl ester of acrylic or methacrylic acid and (b) up to 10% by weight of a C 3 -C 9  unsaturated organic compound containing at least one free carboxylic group. Textiles (e.g. nylon, polyester or acetate yarn) are immersed in the solution to deposit the copolymer (e.g. vinyl acetate or ethyl acrylate with one of crotonic acid, or monomethyl, mono-ethyl or mono-isobutyl maleate) thereon.
Patent GB-1377095-A (GB)
Title: Method and apparatus for orienting a borehole device
IPC: E21B47/024
Filed: 1971-11-03
Abstract: 1377095 Photo-electric monitoring SPERRYSUN WELL SURVEYING CO 3 Nov 1971 [4 Nov 1970] 51039/71 Heading G1A [Also in Division E1] In an arrangement whereby the orientation of a borehole drill bit may be controlled, the rotational orientation of the bit is determined with reference to the position of a rotary pendulum or plumbbob Fig. 4 (not shown), by a photo-electric system generating continuously bit-orientation and gravity-reference pulses which are used for a continuous display for operator guidance in effecting directional control of the drilling by means for example of increasing or decreasing the rate of fluid-flow through the fluid motor operating the bit. The pendulum which comprises a freely rotatable plastic cylinder having a weight at one radial point is inserted in the tool string adjacent the bit and positions an apertured annular rotor 77, Fig. 5, in the path of a light source 104 and photo-cell 101 both of which are rotated through a reducing gear 89 by a synchronous motor 84 driven from a 400 Hz supply to produce a gravityreference pulse at each aperture passing. The source co-operates also with a photo-cell 95 which is positioned in a section 52 keyed to the bit by a mule shoe and a bent sub and thus serves to produce a pulse at a time indicative of the position of the bit. The orientation and reference pulses are fed to the surface on the supply cable feeding the synchronous motor as respective spikes at the + 90 degrees and - 90 degrees phase positions on alternations of the 400 cycle supply at which they occur, and, after separation, may be applied selectively by means of a switch to a strobe lamp 131, Fig. 7 coupled to a lucite rod light guide 134 driven in synchronism with the pulse generating motor to describe a circular path around a transparent screen 124. Light flashes thus occur at respective angular positions around the screen 124. A setting up procedure is described which includes the use of a variable frequency supply, applied to the display synchronous motor to zero the reference spot on the disc.
Patent GB-1204480-A (GB)
Title: Improvements in or relating to electrical appliances including heating elements
Inventor: HILLS BRIAN
IPC: F24C7/06
Filed: 1966-11-15
Abstract: 1,204,480. Lamps combined with heaters. SALTIRE (ELECTRIC) Ltd. 8 Nov., 1967 [15 Nov., 1966], No. 51070/66. Heading F4R. [Also in Division H5] A heating and lighting unit comprises an open-ended trough-shaped reflector 10 and a bar or rod element 8 supported below the reflector. The heater is carried by brackets 17 carrying lighting units 1 at either side and mounted on a housing 15.
Patent GB-1435670-A (GB)
Title: Integrated circuits
IPC: H01L21/306
Filed: 1974-11-27
Abstract: 1435670 Etching INTERNATIONAL BUSINESS MACHINES CORP 27 Nov 1974 [26 Dec 1973] 51384/74 Heading B6J [Also in Division H1] Apertures in an insulating layer on a semiconductor substrate for contact formation or diffusion masking are produced by providing superposed first and second layers of different insulating materials on the substrate, forming a slot in the uppermost layer by selective etching through a mask, and then selectively etching through a second mask having a slot which crosses the first slot to remove the material of the first layer where the slots intersect. As described the lower layer is of thermal, sputtered or pyrolytic oxide 2800 thick and the upper of sputtered or pyrolytic silicon nitride or alumina 1600 thick. The second mask is preferably of photoresist and the first mask of photoresist or silica. Preferred etchants are hot phosphoric acid or phosphate for the nitride and buffered hydrofluoric acid for the oxide.
Patent GB-1150150-A (GB)
Title: Flow Control Apparatus for Fluent Magnetic Materials
Inventor: ERNST HANS
IPC: G01F1/00
Filed: 1966-08-23
Abstract: 1,150,150. Hydraulic apparatus. H. ERNST. Aug.23, 1966 [Sept.24, 1965] No.51495/68. Divided out of 1,144,232. Heading F1P. [Also in Division G3] Flow of fluent material having magnetic properties, is controlled by a valve which stops flow when a magnetic field is produced in the flowpath (see Division G3). Several such valves may be arranged to control the flow through a duct 10. Valves 67, 68 controlled by a switch 69 determine whether the flow tubes place through the duct 10a or a smaller duct 66. The flow-path then divides into paths 70, 71 controlled by valves 72, 77 and 73, 80, the space between the valves in each path being connected to opposite sides of a piston 75. A switch 79 controls the valves in such a manner that with the valves 73 and 77 closed, valves 72 and 80 are opened and vice-versa. Actuation of the valves thus causes the piston 75 to reciprocate to deliver the material alternately through valves 77 and 80 to the outlet duct 76.
Patent GB-1200053-A (GB)
Title: Moulding articles having complex cavities
Inventor: BROWN COLIN CAMPBELL
IPC: B29C33/00
Filed: 1966-11-17
Abstract: 1,200,053. Complex-cavitied articles; lost wax. BRITISH AIRCRAFT CORP. Ltd. 15 Feb., 1968 [17 Nov., 1966], No. 51576/66. Heading B5A. Articles having a complex cavity within them communicating with the exterior may be copied by (i) making a pattern of part of the article containing the cavity, (ii) casting a mould of this part of a first material, e.g. silicone rubber, (iii) using the mould to make a model of this part from a second material, e.g. an epoxy resin, (iv) filling the cavity with a third material, e.g. wax, (v) making a second mould from a fourth material, e.g. silicone rubber, from a second pattern having exterior form and size of the article, (vi) positioning the formed part of the model into the second mould and casting the remaining part of the article from a fifth material, e.g. epoxy resin, and (vii) removing the third material from the cavity. The first pattern may be used as a part of the second pattern. The pattern may be initially formed by the "Dycril" (Registered Trade Mark) process.
Patent GB-990084-A (GB)
Title: Diesters and triesters of aromatic carboxylic acids, salts thereof and polyvinyl chloride resin compositions plasticized with the esters
IPC: C08G63/127
Filed: 1962-01-25
Abstract: The invention comprises compounds of formula C6H5CQ3, wherein the benzene ring may be substituted with 1-3 C1- 4-alkyl groups and/or Cl atoms, Q is C1- 4-alkyl or -CH2CHXCO2Z X is H or C1- 4-alkyl and Z is H or C1- 9-alkyl, not more than one Q being alkyl.  Such compounds may be prepared by the method of Specification 990,083 or, where Z is, e.g., C4- 9-alkyl, by respectively esterifying or transesterifying the appropriate acid or lower alkyl ester. Specified compounds which may be thus produced are octyl 4-phenyl-2,4,6-trimethylpimelate, 2-ethylhexyl 4-methyl-4-p-tolylpimelate and butyl 4-(2-carbobutoxyethyl) -4-p-tolylpimelate.ALSO:Polyvinyl chloride is plasticized with compounds of formula C6H5CQ3, wherein the benzene ring may be substituted with 1-3 C1-4-alkyl groups and/or Cl atoms, Q is C1-4-alkyl or -CH2CHXCO2Z, X is H or C1-4-alkyl and Z is C1-9 alkyl, not more than one Q being alkyl. Preferred compounds are octyl 4-phenyl-2,4,6-trimethylpimelate, 2-ethylhexyl 4-methyl-4-p-tolypimelate and butyl 4-(2-carbobutoxyethyl)-4-p-tolypimelate.
Patent GB-1199028-A (GB)
Title: Process and Apparatus for Filling Moulds
IPC: B29C31/02
Filed: 1967-11-20
Abstract: 1,199,028. Feeding granules to mould cavities. LES PRODUITS SYNTHETIQUES APPLIQUES PROSYNTA. 20 Nov., 1967 [21 Nov., 1966], No. 52650/67. Heading B5A. A mould provided with multiple cavities 1 is evenly filled with particles e.g. with expanded polystyrene (bulk density 25 to 50 Kg/m<SP>3</SP>) or superexpanded polystyrene granules (bulk density 4Kg/m<SP>3</SP>), by delivery at high velocity from an aperture or apertures 5, of smaller area than the cavities 1, provided in a box 3 which is reciprocable by a power cylinder 9 into and out of alignment with the open top of the mould along mould edge members 2 with which it is optionally in sealing engagement. The high velocity delivery from the aperture 5 through which the granules 16 are injected by a compressed air injector 7, ensures a turbulent flow of granules which rebound from the chamber and mould walls and other granules, and the effect may be enhanced by the application of a vacuum to the mould from a pump 14, via a surrounding jacket 12 and cavity apertures 15. Surplus particles are cleared upon retraction of the box 3 and may be returned to a granule supply container or delivered at the next cycle.
Patent GB-1365648-A (GB)
Title: Flash discharge apparatus
IPC: G03B15/05
Filed: 1972-11-17
Abstract: 1365648 Gas discharge lamps UNITED STATES SCIENTIFIC INSTRUMENTS Inc 17 Nov 1972 [27 Dec 1971] 53197/72 Heading H1D A flash discharge lamp is triggered by a discharge between a first auxiliary electrode 2 connected to a main electrode 1 and terminating at a point on the inside of the envelope, and a second auxiliary electrode 4 which is on the outside of the envelope but near the electrode 2 and connected to the other main electrode 3. In Fig. 2 further external electrodes 4 are provided along the length of the lamp and connected together by 4<SP>11</SP>. The lamp can be filled with xenon at 1À5 or 0À25 atmospheres.
Patent GB-1298549-A (GB)
Title: Improvements in sheet feeding apparatus
IPC: B65H3/24
Filed: 1971-11-16
Abstract: 1298549 Feeding sheets HARRIS-INTERTYPE CORP 16 Nov 1971 [15 March 1971] 53215/71 Heading B8R Sheets 128, Fig. 2, are piled in a hopper comprising front gates 94, Figs. 1 and 2, adjustable along a member 92 according to sheet width and presenting a gap 96 to allow feed of the bottom sheet to feed rollers 98, a backstop 100 adjustable in feed direction according to sheet length, and a bottom table 12 having holes 50 therein and overlaid with a screen 52 having smaller elongated perforation 54 therein, above which are removably arranged lateral support strips 70 on which the pile rests. The lowermost sheet is separated by a feed plate 72 having a surface 74 to engage the rear edge of the sheet and reciprocated by a rock shaft 88 through rods 84. The table 12 is formed with depending flanges 22, 24, 26, 28 defining chambers 32, 36, 40, the bottoms of which are formed by valve members 30, 34, 38 movable by rods 58, 56, 60 to control communication between the chambers and a manifold chamber 44 communicating permanently with a further front chamber 42 and with a suction means 46. The chamber assembly described is located below the right-hand side of the table, and a similar assembly adjoins it below the lefthand side of the table, comprising valve members 30<SP>1</SP>, 34<SP>1</SP>, 38<SP>1</SP> and a suction means 46<SP>1</SP> ,  Fig. 1. The degree of suction in the various chambers can thus be varied according to the sheets (e.g. strong suction is desirable below warped areas of the sheets), while the front chambers produce strong suction all the time below the front parts of the sheet to facilitate passage to the rollers 98. An imperforate dropleaf 68 hinged to the centre of the rear end of the table can be raised out of operative position, or lowered to support the rear ends of long sheets. Tabs 108 formed on body structures 110 secured to a shaft 106 can be raised by the action of a pneumatic piston to raise the rear end of the pile above the feed plate 72 to prevent sheet separation taking place.