baber/WOPTO huggingface dataset:
Patent GB-1278677-A (GB)
Title: Thermally stabilizing acrylonitrile polymer filamentary materials and carbonizing the products obtained
IPC: D06M11/34
Filed: 1969-08-05
Abstract: 1278677 Treating polyacrylonitrile fibres CELANESE CORP 5 Aug 1969 [5 Aug 1968] 39108/69 Heading B5B [Also in Division C1] Polyacrylonitrile filamentary material is thermally stabilized by heating it in an oxygencontaining atmosphere at from 10‹ to 100‹ C. below its critical temperature, i.e. the highest temperature which the filamentary starting material can withstand for three minutes without loss of filamentary configuration, until the material contains at least 5% by weight of combined oxygen, thereafter further heating the material in an oxygen-containing atmosphere at a temperature between said critical temperature and a temperature 50‹ C. higher and continuing this further heating for at least one minute and until the material has an increased combined oxygen content of at least 7% by weight, to produce a thermally stabilized product which does not burn in a match flame, is capable of undergoing carbonization and still has a filamentary configuration. The filamentary material may be made from an acrylonitrile homo-polymer or a copolymer containing at least 99 mole per cent of acrylonitrile units and up to 1 mole per cent of monoethylenically unsaturated comonomer units. The filamentary starting material may have a single filament tenacity of at least 5 grams per denier. It may be a yarn having from 0À1 to 1À0 turns of twist per inch. The filamentary material may contain at least 95 mole per cent of acrylonitrile units may be able to withstand a temperature of at least 300‹ C. without loss of its filamentary configuration and may be passed continuously through one or more zones in which the thermal stabilization is effected. Orientation by stretching may be effected prior to thermal stabilization. The thermal stabilization may be effected under conditions which permit the filamentary material to shrink by from 10 to 30% of its original length. The thermal stabilization may be effected by heating in an oxygen-containing atmosphere first at from 10‹ to 40‹ C. below the critical temperature of the starting material and subsequently at up to 30‹ C. above the said critical temperature. The thermally stabilized material may be heated at a temperature of from 900‹ to 3000‹ C. in an inert atmosphere until a carbonized product is formed, especially at a temperature of from 2000‹ to 3000‹ C. in an inert atmosphere until substantially complete graphitization has occurred.
Patent GB-1154018-A (GB)
Title: Improvements in and relating to Copying and Printing Materials
IPC: G03C1/675
Filed: 1966-09-01
Abstract: 1,154,018. Print-out materials. KALLE A.G. Sept. 1, 1966 [Sept. 1, 1965], No.39130/66. Heading G2C. Copying material comprises a support carrying a layer containing at least one photo-polymerizable N-vinyl compound, at least one light-sensitive organic halogen compound, and a binder which is soluble in aqueous and organic solvents. The binder may be a polyglycol, polyvinyl alcohol, poly-N-vinylpyrrolidene, an acidic phenolic resin, or a polyacrylamide. The N-vinyl compound may be a N-vinyl carbozole of formula where R 1  to R 4  are hydrogen or hydrocarbon with 1 to 6 carbon atoms . Many organic halogen compounds are listed. The layer may contain a polymerization inhibitor e.g. phenol, hydroquinone, pyrocatechol, pyrogallol, dihydroresorcinol or aminophenols; a sensitizer e.g. N, N-dimethylaminoazobenzene, benzil, benzoin, stilbenes, phenyl salicylate, benzophenone, or mercaptobenzthiazole; a dyestuff; and a wetting agent. The support may be water-proofed paper, gloss, film or a metal e.g. Al or Zn. The material may be exposed, optionally with heating during or immediately after exposure, and washing with H 2  O or an aq. soln. (e.g. alkaline) to develop it. The organic halogen compound may be incorporated in the lightsensitive layer or may be applied to the lightsensitive layer as a solution just before exposure.
Patent GB-1525734-A (GB)
Title: Article-labelling apparatus
IPC: B65C9/44
Filed: 1975-09-25
Abstract: 1525734 Labelling machine XEROX CORP 25 Sept 1975 [26 Sept 1974] 39316/75 Heading G4M Labels 12 carrying data such as zip codes are arranged in rows on a carrier 10. The carrier has markings 8 indicating zip code changes situated at one side of the rows of labels. The carrier is fed to a labelling machine which separates the labels from the carrier and provides a further separation at the location identified by the markings. The labelling machine has a switch moved by an operator to indicate whether the carrier has been inserted foot first or head first and hence indicating which edge of the carrier has the markings 8. The carrier is fed by a roller 14 coupled to optically detected synchronizing discs 23, 30.  The form 10 is inserted into a read head assembly 2 and a code reader 4 is positioned over a coded section 8. A sprocketed drive mechanism feeds the form to a knife 20 which cuts a complete row of labels. The row is then fed to cutter 44 which separates each label and to assembly 46 which applies the label to articles 48. Operation of the machine is synchronized by mechanism 16 indicating the position of the coded sections via photo sensors 26a, 26b, mechanism 18 indicating when the knife 20 has operated and sensors 50, 72. Articles which receive the labels are sensed by sensors 90, 92. A control system is responsive to the mechanisms 16, 18 and sensors 50, 72 and a signal indicating whether the carrier is moving foot first or head first to read the coded sections and determine the correct position at which the carrier is to be cut to separate the different zip coded labels.
Patent GB-1357604-A (GB)
Title: Devices for grinding drills
IPC: B24B3/26
Filed: 1971-08-24
Abstract: 1357604 Grinding drills ROBERT BOSCH GmbH 24 Aug 1971 [25 Aug 1970] 39537/71 Heading B3D A device for grinding a twist drill 18 comprises a housing 1 containing a first disc 10 for grinding the main cutting edges of the drill and a second grinding disc 24 for shortening the transverse medial cutting edge of the drill introduced into the housing in the medial plane of the second disc, and a motor 3 for driving both grinding discs. The discs are located within a housing 1 secured by a flange 2 to the motor 3 and receiving a guide 4 having guide channels 5, 6 of different diameters for the drills 18 which are presented to a groove in the first grinding disc 10, lugs 15 projecting into the channels for angularly locating the drills. The disc 10 is formed on a wheel 9 which is screwed on to a threaded portion 8 of the motor shafts and clamps the second grinding disc 24 against a plate 23. An aperture 25 is formed in the housing for grinding and observing the drill during grinding of the web of the drill to shorten the transverse cutting edge.
Patent GB-1501737-A (GB)
Title: Optical system including a screen
IPC: G03G15/047
Filed: 1975-09-30
Abstract: 1501737 Production of half-tone images XEROX CORP 30 Sept 1975 [4 Oct 1974] 39924/75 Heading G2X In an optical system which forms an image of an original document on a receiving member by projection, there is further incorporated a separate source of illumination together with a collimator and a screen to superimpose a screen pattern on the receiving member to produce half-tone effects. The system is particularly applicable to a multicolour electro-photographic machine Fig. 1 (not shown), in which colour-separation images of an original (22) are projected on. to photo-conductive surface 12 in turn. After each exposure the surface 12 rotates under an arrangement comprising voltage source 76, electro-luminiscent panel 30, collimating lens 78 mounted in strip 32 and a screen 34 having a pattern of dots or lines 8 thereon. Each screened image is developed by a suitable colour developer prior to transfer successively into a copy sheet. In an alternative embodiment screen 34 is provided with a single row of dots, and the voltage source 76 is pulsed at a desired frequency through a control circuit Fig. 3 (not shown).
Patent GB-1168091-A (GB)
Title: Improvements in or relating to Induction Furnaces
Inventor: BOULTON KENNETH PAUL
IPC: F27B14/00
Filed: 1966-09-07
Abstract: 1,168,091. Tilting furnace. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. 7 Sept., 1967 [7 Sept., 1966], No. 39997/66. Heading F4B. A tilting induction furnace has a pouring spout 7 and a diametrically opposite inlet 21 spaced from the ends of the tilting axis 13 and so dimensioned that the furnace may be tilted to a position 7B where half its contents may be discharged without ceasing to be charged with metal through the inlet 21 by a launder 23. The inlet may have the form of an additional pouring spout 21 through which the furnace can be completely emptied.
Patent GB-1037876-A (GB)
Title: Toy truck
IPC: A63H17/00
Filed: 1963-10-11
Abstract: 1,037,876. Toy vehicles. LOUIS MARX & CO. Ltd. Oct. 11, 1963 [Dec. 27, 1962], No. 40215/63. Heading A6S. A toy vehicle is provided with a front axle mounted such that tilting the vehicle swings the axle in a horizontal plane to steer the vehicle, and the rear axle is provided with spring means which restores the vehicle to the upright position and straightens the steering. The front axle 11 passes through a depending lug 35 on the chassis 30 and the ends of said axle are urged forwardly or backwardly differentially by the cam surfaces 38 when the vehicle is tilted. The back axle 13 passes through slots 47 in the chassis and is urged downwardly each end by the ends 56 of a leaf spring 50. The leaf spring is bent with a central hump 54 to prevent the centre of the axle riding higher than the mean height of the slots 47.
Patent GB-944656-A (GB)
Title: Improvements in or relating to air pumps
IPC: F04B39/00
Filed: 1959-11-27
Abstract: 944,656. Piston type air pumps. E. JONES. Nov. 24, 1960 [Nov. 27, 1959], No. 40310/59. Heading F1N. A pedal-operated piston type air pump comprises two bell crank levers 4, 5 which pivot about a pin 3 near one end of the piston stroke. The upper arms 4a, 5a are rigidly connected by a pedal 6, and the lower arms 4b, 5b are joined by links 7, 8 and cross-bar 9 to the piston rod 10. The cylinder 11 is rigidly fixed to a base 2, and the pump may be steadied in operation by a stiff metal strip 15 which, when not required, can be swung under the base.
Patent GB-894413-A (GB)
Title: Process for preparing alumina material
IPC: C01F7/42
Filed: 1959-11-30
Abstract: Alumina microspheres are prepared by adjusting the pH of an alumina sol. to between 8,5 and 10,5 by the addition of an alkaline material, e.g. ammonia, methylamine, ethylamine, butylamine, ethanolamine, and alkali metal and alkaline earth metal oxides, and then spray-drying the resulting sol.  The alumina sol. may be prepared by heating aluminium metal with acetic acid in the presence of a minor amount of mercury which may be added as a mercury oxide and will normally, due to the presence of acetic acid, have a pH between 2 and 6.  The temperature of the drying gases in the spray drying chamber may be up to 1300 DEG  F., and is preferably between 400 DEG F. and 1000 DEG F. The sol. may be homogenized before being spray dried.  The microspheres prepared by the process of the invention may be impregnated with catalytically active materials, e.g. platinum, palladium, rhodium, iridium, or molybdena, chromia, or vanadia. Where platinum is employed, this may be introduced as bromoplatinic acid, platinum tetrachloride, or platinum dichloride, preferably to provide between 0,03% and 1% by weight of platinum in the finished composition, and then calcining.  The compositions are valuable as petroleum reforming catalysts, in which application it is additionally desirable to have present between 0,05% and 3% by weight of a halogen, which may either be initially present in the catalyst or added separately.  The reforming may be effected at a hydrogen pressure of 0-300 p.s.i.g., at temperatures of 100-700 DEG F. Specifications 675,883, 737,429 and 894,412 are referred to.
Patent GB-1056799-A (GB)
Title: Improvements in pressure-dividers for hydraulic control
IPC: G05D16/18
Filed: 1963-10-15
Abstract: 1,056,799. Gas turbine engine fuel systems. GENERAL ELECTRIC CO. Oct. 15, 1963 [Oct. 26, 1962J, No. 40566/63. Heading F1G. [Also in Division G3] A hydraulic device for maintaining output pressures P c1  and P c2  in a given ratio whilst causing them to vary in proportion to the magnitude of an input signal P c  comprises a controller 2 for setting the ratio and a pair of relays 3, 4. The device is suitable for controlling dual fuel supplies to a gas turbine engine in which case the pressure P c  is a signal representing the total fuel demand and the pressures P c  and P c2  actuate pressure responsive valves controlling the two fuels. The controller 2 receives the signal pressure P c  at 15 and a constant pressure P 0 at 55 and delivers an intermediate pressure P c1 , dependent upon the position of a manually or automatically adjusted plunger 6, to a chamber 21 of the relay 3 which controls communication of an outlet 23 with pressure and exhaust chambers 24, 26 and is subject at its lower end to outlet pressure so that this pressure remains at the value P c1  The relay 4 controls communication between an outlet 44 and pressure and exhaust chambers 46, 47 and is subject in chambers 34, 38 to the pressures P c , P 0  and in chambers 35, 39 to its outlet pressure P c2  and to the pressure P c1 .
Patent GB-1132294-A (GB)
Title: Method of depositing refractory metals
IPC: H01L21/00
Filed: 1967-09-06
Abstract: 1,132,294. Semi-conductor device fabrication. RADIO CORPORATION OF AMERICA. 6 Sept., 1967 [21 Sept., 1966], No. 40769/67. Heading H1K. [Also in Division C7] Tungsten or molybdenum interconnections are formed between circuit components in a silicon semi-conductor chip 2 by covering with a layer 12 of silicon dioxide, making openings 14, 16, 18, 20 in the layer, exposing the whole to e.g. tungsten hexafluoride for e.g. 1 minute to deposit tungsten 54 through the openings and to etch the silicon dioxide surface, and then depositing a layer of tungsten 56 over the whole surface by reducing tungsten hexafluoride with hydrogen, and finally removing the unwanted parts of tungsten.
Patent GB-1154183-A (GB)
Title: Production of Yeast
Inventor: IIZUKA HIROSHI
IPC: C12N1/28
Filed: 1966-09-13
Abstract: 1,154,183. Yeast. TOYO KOATSU  INDISTRIES Inc. Sept:13; 1966, No. 40800/66. Heading C6F. Trichosporon japonicum (ATCC Nos. 20002, 20003 and 20004) is cultivated in a nutrient medium   in the presence of a petroleum hydrocarbon and a   gas containing free oxygen (air). The yeast produced by the cultivation is separated; washed and dried. Cultivation is typically, carried out at a temperature in the range 30‹-40‹C. and at a pH of 5. Petroleum hydrocarbons (0À5-20 volume % of the nutrient medium): normal paraffinic hydrocarbons containing 10 to 22 carbon atoms (aromatic and naphthenic hydrocarbons may be present)   exemplified by gasoline, kerosene, gas oil and   heavy oil fractions. Nutrient medium : the following constituents are mentioned in addition to agar: (i) yeast extract, corn steep liquor, rice bran extract, molasses and vitamins of group B; (ii) ammonia, ammonium sulphate, ammonium chloride, diammomum hydrogen phosphate and urea; (iii) sodium or potassium dihydrogen hosphate and disodium hydrogen phosphate; and   (iv) magnesium or ferrous sulphate, and sodium   or potassium chloride. An anti-foaming agent may be included. Comparative experiments disclose the cultivation of Candida rugosa and Candida tropicalis.
Patent GB-972523-A (GB)
Title: Electromagnetic contactor or relay apparatus
IPC: H01H50/22
Filed: 1961-11-15
Abstract: 972,523. Electromagnetic relays. COMPAGNIE GENERALE D'ELECTRICITE. Nov. 15, 1961 [Nov. 15, 1960], No. 40913/61. Heading H2B. The housing of an electromagnetic contactor is in two parts, A and B, the part A carrying the armature 19, a yoke 52, a coil D and moving contact bridges 11, and the part B, which is adapted for attachment to a support, carrying the fixed contacts 13. The two parts A and B are secured together by spring-biased clips 33. The armature 19 is secured to a contact actuating member C by spring clips 20. The actuating member C carries a plurality of contact bridges 11 which co-operate with the fixed contacts 13, each contact set being enclosed in a chamber provided with arc coolers and gas vents. Auxiliary contact bridges 26 are mounted in apertures in a plunger 23 which is spring biased into engagement with the actuating member C. The yoke 52 rests on resilient supporting members 53. The armature may be mounted on the other side of the yoke and be connected to the contact bridges by a mechanical linkage so that it moves in the opposite direction to the bridges.
Patent GB-1272324-A (GB)
Title: An oil-soluble copolymer suitable for use as a lubricating oil additive
IPC: C10N30/04
Filed: 1969-08-15
Abstract: 1,272,324. Oil-soluble copolymers. SANYO CHEMICAL INDUSTRIES Ltd. 15 Aug., 1969 [26 Aug., 1968], No. 41007/69. Heading C3P. [Also in Division C5] Oil-soluble copolymers suitable for use as lubricating oil additives comprise (A) units of Formula I or II wherein each of a and b is an integer, c is 0 or an integer, A<SP>1</SP>, A<SP>2</SP> and A<SP>3</SP> are the same or different alkylene groups, each R is independently H or methyl, R<SP>1</SP> is OH or the residue (after removal of an active H atom) of an HO- or aminocontaining compound when c is O, or OH or the residue of an organic active H-containing compound when c is an integer, (B) units of a C 1 -C 4  alkyl acrylate or methacrylate and (C) units of an alkyl acrylate or methacrylate having at least 10 carbon atoms in the alkyl group. Units (A) are units of morpholino-alkyl or morpholino-(poly) alkoxy alkyl esters of, for example, acrylic, methacrylic, itaconic, fumaric, citraconic or maleic acid. The copolymers may optionally comprise units of other monomers such as (meth)acrylonitrile, styrene, vinyl acetate, laurate or stearate, and hexyl, 2-ethylhexyl or octyl (meth)acrylates. The copolymers can be prepared by polymerizing the corresponding monomers. Alternatively, instead of using the morpholino-ester monomer, the corresponding acid monomer (or suitably reactive derivative thereof such as an alkyl ester or anhydride) can be used and the resulting copolymer is subsequently reacted with an alkylene oxide adduct of morpholine, either alone or together with an alkylene oxide adduct of an alcohol, amine or other active H-containing compound. Polymerization can be effected with or without a solvent (e.g. mineral oil) using an initiator such as benzoyl peroxide or azobisisobutyronitrile.
Patent GB-1185473-A (GB)
Title: Improvements in Conductive or Semi-Conductive Fibrous Sheet Material.
Inventor: REYNOLDS EDWARD HENRY
IPC: H01B1/00
Filed: 1966-09-14
Abstract: 1,185,473. Loaded paper; paper. BRITISH INSULATED CALLENDER'S CABLES Ltd. 14 Sept., 1967 [14 Sept., 1966], No. 41020/66. Headings D1P and D2B. [Also in Division H1A] The dielectric material of a high voltage cable is protected against contamination by a permeable sheet material in contact with the dielectric fluid of the cable, the permeable sheet material comprising paper loaded with conductive carbon and an active substance which is colloidal alumina or an oxide, hydroxide, carbonate, or basic carbonate having comparable absorptive power with colloidal alumina. Up to 10% of active substance (based on paper) may be employed. Loading with carbon and active substance may be effected before or after sheet formation. The sheet material may be multi-ply sheet material in which at least one but not all of the plies is loaded with carbon and active substance or in which at least one but not all of the plies is loaded with carbon and at least one of the remaining plies is loaded with active substance. Multi-ply material may be applied over an under layer of material loaded with carbon or alumina and carbon.
Patent GB-1525116-A (GB)
Title: Closed-loop angular-rate fluidic gyro
IPC: G01C19/00
Filed: 1975-10-07
Abstract: 1525116 Gyroscopic apparatus; measuring rate of turn GENERAL ELECTRIC CO 7 Oct 1975 [15 Oct 1974] 41028/75 Headings G1C and G1N A closed-loop angular-rate fluidic gyro 10 having a single sensitive axis 12 comprises a pivotally mounted sensing means 16 for sensing movement about the axis 12 and means responsive to movement of the sensing means 16 to provide a torque to restore the sensing means to its null position and to provide an output signal proportional to the angular velocity of the gyro about the axis 12. Fluid, such as oil, is passed through tubing 172 into the sensing means 16 which comprises sheets 34, 36, 94, 96 and plates 24, 26, 32: the sheets and plate 32 have a arrangement of slots 160-170, 38, 118, holes 42, 50, 90 and spiral passageways 46, 68, 106, 122 so that the fluid circulates in a generally circular path within the passageways before leaving the sensing means via a passage 150. The sensing means 16 is supported for pivotal movement about an axis 18 by posts 144, 146 which are mounted on a support member 14 and enclosed within a housing 20. The housing 20 is filled with oil and incorporates a damping plate 180. A restoring torque is applied to the sensing means when it is displaced about is axis 18 by means of two plate electrodes 204, 206 mounted within the enclosure and spaced from the underside 192 of the means 16. Each plate acts as a capacitor 210, 214 with the underside and forms tank circuit with inductors 208, 212; blocking diode 224, 230 resistors 226, 232 and filters 228, 234 complete the circuit. Movement of the means 16 causes a change in the value of capacitors 210, 214 giving rise to a change in frequency of the tank circuits and a voltage differential at the electordes 216, 220 to cause electostatic forces across the capacitors 210, 214 to provide the restoring torque; at the same  time a differential output voltage is generated across terminals 236, 238 proportional to the angular velocity of the gyro about axis 12. Alternatively a restoring torque can be provided by nozzles (186, 188) Fig. 3 and 5 (not shown) applying a differential pressure to the underside 192 and generating a differential back pressure at terminals (204, 206) proportional to the angular velocity of the gyro. An alternative arrangement shows the sensing means surrounding the posts (144, 146) Fig. 7.
Patent GB-1241602-A (GB)
Title: Drafting apparatus for textile spinning machines
Inventor: KILEY WILLIAM
IPC: D01H5/18
Filed: 1968-08-28
Abstract: 1,241,602. Drafting apparatus. W. KILEY and A. J. OGDEN. 28 Aug., 1968 [31 Aug., 1967], No. 41073/68. Heading DID. In an Ambler type drafting mechanism each intermediate unit consists of a double tension roller and flume assembly comprising flume 16, 17 and top tension rollers 11, 12 and there being a longitudinal shaft bottom roller 15 common to both tension rollers. Each unit is located in a two part housing 20, 21, each housing part having a tension loading weight which applies a predetermined pressure to the top rollers 11, 12. The housing is pivotally and detachably mounted between a pair of bracket supports (not shown).
Patent GB-410822-A (GB)
Abstract: 410,822. Workmen's time-recorders. RADFORD, V. N., 33, Ebers Road, Notting- ham. Nov. 23, 1932, No. 33104. [Class 106 (iv).] A record strip 10 is driven at constant speed beneath an aperture 15 in a casing 13. The strip is divided longitudinally into columns, one for each workman, and the edge of the aperture 15 is correspondingly marked. The workman makes a mark on the strip at the start and finish of a job and the distance apart of the marks is a measure of the time occupied on the job. The marks may be made by stamps which may be electrically controlled from a distance, and the speed of the strip may be automatically changed by a time-switch at the commencement of an overtime period.