baber/WOPTO huggingface dataset:
Patent GB-1200232-A (GB)
Title: Hydrocracking process
Inventor: YOUNG DEAN ARTHUR
IPC: C10G65/12
Filed: 1967-12-18
Abstract: 1,200,232. Hydrocracking. UNION OIL CO. OF CALIFORNIA. 18 Dec., 1967, No. 57425/67. Heading C5E. A process for hydrocracking a hydrocarbon feedstock containing both polycyclic and non- polycyclic hydrocarbons comprises subjecting said feedstock plus at least 500 SCF/B of added hydrogen to catalytic hydrocracking at pressures above 400 p.s.i.g. in contact with two different catalysts A and B, catalyst A consisting essentially of an amorphous solid cracking base upon which is deposited a minor proportion of a Group VIII noble metal, catalyst B consisting essentially of a crystalline, zeolitic, molecular sieve cracking base upon which is deposited a minor proportion of a Group VIII noble metal, catalyst B containing a substantially higher atomic proportion of noble metal than catalyst A, and recovering desired low-boiling hydrocarbons from said hydrocracking. The amorphous cracking base of catalyst A may be a composite of silica gel with alumina, zirconia, titania, or magnesia. The two catalysts may be mixed and the feedstock passed through both simultaneously, or the catalysts may be in separate reactors, the feedstock being passed through them sequentially. In the latter case the feedstock is preferably contacted with the amorphous cracking catalyst first. Reference has been directed by the Comptroller to Specifications 1,056,301, 1,094,467 and 1,102,518.
Patent GB-1247194-A (GB)
Title: Vibration damping laminated systems
IPC: B32B15/08
Filed: 1968-12-04
Abstract: 1,247,194. Vibration damping laminates. FARBWERKE HOECHST A.G. 4 Dec., 1968 [6 Dec., 1967], No. 57604/68. Heading B5N. [Also in Divisions B2 and C3] A vibration damping laminated system comprises two plates, e.g. of metal such as steel, bonded together with an interlayer comprising a graft polymer of 40-80% by weight of an equimolar mixture of styrene and acrylonitrile on 60-20% by weight of a copolymer of 30-40% by weight of vinyl acetate, 30-40% by weight of n-butyl acrylate, 10-30% by weight of di-n-butyl maleate and 5-15% by weight of a copolymerizable unsaturated carboxylic acid, e.g. crotonic acid. The graft polymer may be cross-linked with a compound containing a plurality of epoxide or isocyanate groups. The graft polymer may contain minor amounts of filters, e.g. heavy spar, silicic acid, graphite, soot or a mixture thereof, and one or more plasticizers. The total thickness of the laminated system may be 1-6 mm., the thickness of the interlayer being 0À1-1 mm. of the ratio of the thickness of the plates being from 1 : 1 to 4 : 1. The graft polymer may be applied to the plates by trowelling, brushing or pouring at an elevated temperature and the system cooled under pressure between rollers. A solution of the copolymer in the mixture of styrene and acrylonitrile containing a polymerization initiator, e.g. tertiary butyl hydroperoxide may be applied between the plates and the laminated system subjected to heating at 60-180‹ C. to effect grafting.
Patent GB-1200056-A (GB)
Title: Averaging computer circuit
Inventor: BAKER BERNARD STUART
IPC: G06G7/14
Filed: 1966-12-23
Abstract: 1,200,056. Averaging Circuits. COURTAULDS Ltd. 22 Dec., 1967 [23 Dec., 1966], No. 57668/66. Heading G4G. Averaging circuit, e.g. for successive voltage expressed readings of a yarn tensile strength tester, comprises equal capacitors C 1  to C n  respectively connectable by ganged switches S 1  to S n  to corresponding inputs l 1  to l n , to disconnected points, and to series equal resistances R 1  to R n  connected to a high input impedance amplifier A. A storage capacitor C is switchable to the amplified output, to a disconnected point and to an output O connecting an average signal to a necessary device, which may be calibrated to the same units of measurement as those from which the input voltages are derived. The averaging capacitors are sequentially connected to receive the several inputs to store the consequent charges until required, and to average the several voltages; while the storage capacitor is connectible to charge from the average voltage, to hold it until required, and to connect it to the measuring output. The averaging capacitors may be given different capacitance values for weighted averaging.
Patent GB-1401589-A (GB)
Title: Latch for a luggage case
IPC: E05B65/52
Filed: 1973-12-13
Abstract: 1401589 Latch mechanisms SAMSONITE CORP 13 Dec 1973 57890/73 Heading E2A [Also in Division A4] A latch mechanism for releasably securing luggage case sections comprises a first section including a hand-operated release and fastening actuator 17 having a gravity-actuated latching member 28 one end of which has a terminal hook part 32, and a second section including an opening therein for receiving the hook part therein when the two sections are brought together; the latching member is pivotable from a first or latching position in which the hook part engages an edge of the opening and latches the two sections together, to a second position in, which the hook part is free from any edges of the opening are permits the two sections to be separated. The actuator may incorporate a lock 26. The latch member operates when the case is orientated wrong-side up to prevent operation of the actuator and spillage of the contents of the case.
Patent GB-1261619-A (GB)
Title: Fiberizing method and device
Inventor: JENSEN THOMAS H
IPC: C03B37/08
Filed: 1969-11-28
Abstract: 1,261,619. Glass fibre manufacture. PPG INDUSTRIES Inc. 28 Nov., 1969 [29 Nov., 1968 (2)], No. 58195/69. Heading C1M. An assembly for producing glass fibres comprises an elongated tubular member 10 having an array of orifices 12 in a portion of one wall for the passage therethrough of streams of glass, a manifold 24 partially surrounding the member 10 and having a slot 26 coextensive with the orifices and positioned adjacent the said portion of the wall with a gap therebetween to allow cooling air to pass across the orifices, and a shield member 52 partially surrounding the member 10 to protect it from excessive cooling. To prevent distortion of the member a rigid shield tube 56 is located within the shield 52. Insulation 54 is provided between the shield tube 56 and the member 10. Air is supplied to the manifold through a pipe 28 and is distributed along its length by baffles. Molten glass is supplied to the interior of the member 10 under pressure from a source 20 and pressurizing device 22. The member 10 is heated electrically and is made of platinum or platinum alloy.
Patent GB-1171798-A (GB)
Title: Fluorescent Discharge Lamp for Illumination of Objects.
Inventor: SOMEYA AKIRA
IPC: C09K11/68
Filed: 1967-12-27
Abstract: 1,171,798. Luminescent materials. TOKYO SHIBAURA ELECTRIC CO. Ltd. 27 Dec., 1967 [26 Dec., 1966], No. 58607/67. Heading C4S. The luminescent material in a mercury-filled fluorescent discharge lamp is designed so that the proportions of the total light output including the spectral lines of the mercury are 30- 38% blue (375-485 mÁ), 29-32% green (485-580 mÁ) and 32-39% red (580-685 mÁ) so that the lamp is suitable for use in colour photography, Compared with a known lamp the phosphor emits less green light and more red light (Fig. 1, not shown). Examples of suitable mixtures of materials are given in the table below. Table 1 (wt. per cent) Designation of Samples A A<SP>1</SP> B C D E F G Fluorescent Materials Used Tin-activated strontium ortho-phosphate 47À5 41.3 40.0 51.0 54.0 58À0 44.8 52.0 Mangesium tungstate 30À0 0 33À0 35À0 27.5 28.0 28.2 18À0  Calcium tungstate or leadactivated calcium tungstate 18À0 18.4 20.0 11À0 14.0 11À0 17À0 28.0 Antimony-activated calcium halo-phosphate 0 34À8 0 0 0 0 0 0 Manganese-activated magnesium arsenate or manganese-activated magnesium fluoro-germanate 4.5 5.5 4.0 3.0 3.0 3.0 10.0 2À0 Manganese-activated zinc silicate 0 0 3À0 1.5 0 0 0
Patent GB-1210090-A (GB)
Title: Insulated gate field effect transistor
IPC: H01L29/00
Filed: 1967-12-27
Abstract: 1,210,090. Insulated gate field effect transistors. RCA CORPORATION. 27 Dec., 1967 [13 Jan., 1967], No. 68658/67. Heading H1K. In an IGFET the parts of the source and drain regions immediately adjacent the surface conduction channel contain doping impurities in an amount insufficient to disturb the physical perfection of the semi-conductor lattice. A typical device, Fig. 2, is made by first etching holes in an oxide film formed on one face of a 1-25 ohm. cm., P-type silicon wafer, and diffusing in phosphorus to produce N-type source and drain contact zones doped with 10<SP>20</SP> atoms/c.c. of phosphorus. The oxide layer is replaced by a layer of phosphorus doped oxide, which is then reduced to areas overlying the contact zones and their immediate surrounds, and heated to form extensions of the contact zones doped with 10<SP>17</SP>-10<SP>19</SP> phosphorus atoms/c.c. Simultaneously an oxide layer forms over the channel region. Finally holes are etched to expose the contact zones, and electrodes provided on these and on the gate insulator. The transistor can be operated with positive gate biases without any significant deterioration of the transfer characteristics.
Patent GB-1457430-A (GB)
Title: Arithmetic device
IPC: G06F7/50
Filed: 1973-12-20
Abstract: 1457430 Arithmetic units PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 20 Dec 1973 [27 Dec 1972] 59037/73 Heading G4A An adding and subtracting unit for binary coded decimal digits includes a selector network for supplying one of the inputs (H) of a subtractor (ALU) with the first (E) or the second (F) of the digits, and for supplying the other input (I) of the subtractor with the second digit (F), with its nines-complement (9-F), or with the first digit (E). The output (K) of the subtractor is (H+15-I+ n), where n = 1 when there is a signal on a "carry/no borrow" input (C) of the subtractor and where n=0 otherwise. The subtractor output (K) is passed to the output terminal (G) of the unit direct or, if no carry has been generated (at D), after being decremented by 6. The selector network is controlled by signals A, B according to whether the digits are to be added or subtracted. For multi-digit operands the arrangement shown may be used for each pair of digits in turn, D being connected to C via a delay, or a series of such arrangements is used. The input C of the least significant stage is supplied with a carry signal during subtraction only.
Patent GB-1283537-A (GB)
Title: Improvements in or relating to methods and apparatus for crimping yarn
Inventor: GILCHRIST REGINALD SELBY
IPC: D02G1/08
Filed: 1968-12-16
Abstract: 1283537 False twist crimping KLINGER MFG CO Ltd 12 Dec 1969 [16 Dec 1968] 59749/68 Headings D1D and D1F Yarn is crimped by being heated e.g. over a heater 16, false twisted in one direction e.g. by being passed through rotating tubes 73, 77, 76 and 65, 58, 62, and then false twisted in the other direction e.g. by passed in the opposite direction through the rotating tubes without further heating and while the yarn still has sufficient heat to be at least partly permanently deformable. The false twist is inserted by frictionally engaging the running yarn with a moving surface having a component of motion transverse to the yarn. As shown the yarn may engage a number of surfaces 74, 77, 64, 63 for the first false twist to be inserted while for the second false twist the yarn may engage all these surfaces or a lesser number e.g. only 63 and 66. The yarn passes through an adjustable magnetic pulley tensioner 14 which also acts as a twist stopping device. After leaving the false twist device the yarn passes about ceramic guides 19, 20 and through driven rollers 21, 22 (roller 21 being soft surfaces) to be wound up as a package 25. False twist device. The false twist device comprises a body portion 33 mounted on the frame 30 and carrying a spindle 42 which is driven at its lower end by a belt and a rotatable false twist tube 70 driven from spindle 42 by a belt 72. A plate 48 is rotatably mounted about spindle 42 and carries a further false twist spindle 58 driven from spindle 42 by a belt 60. A pulley 86 is mounted on a cover plate 54 on plate 48 to reverse the yarn coming from tube 58 so that it is guided back to this tube. Plate 48 is normally biassed by a spring 89 against a stop so that tubes 58, 70 are not aligned. For threading up the device plate 48 is pivoted to align tube 58 with tube 70, the plate being held in this position by a releasable catch. The drive portions engaged by belts 60, 72 may be arranged so that tubes 58, 70 have different speeds.
Patent GB-1379510-A (GB)
Title: Technique for adjusting the temperature coefficient of resistance  of tantalum aluminium alloys
IPC: C23C14/14
Filed: 1972-12-28
Abstract: 1379510 Resistors WESTERN ELECTRIC CO Inc 28 Dec 1972 [30 Dec 1971 13 April 1972] 59756/72 Heading H1S [Also in Division C7] A film of Al-Ta alloy having 25 to 60 atom per cent Al is sputtered on a substrate of, e.g. glass or ceramic and its temperature coefficient of resistance adjusted by heating at 650 to 900‹ C. for 1 to 300 minutes in an atmosphere of e.g. neon, argon or nitrogen having a maximum partial pressure of oxygen of 1 x 10<SP>-5</SP> Torr or at atmospheric pressures from 10<SP>-5</SP> to 10<SP>-7</SP> Torr. The film may be subsequently anodized.
Patent GB-1414040-A (GB)
Title: Apparatus for applying glued labels to bottles or other objects
IPC: B65C9/22
Filed: 1973-12-27
Abstract: 1414040 Labelling machines JAGENBERG. WERKE AG 27 Dec 1973 [29 Dec 1972] 59814/73 Heading B8F In a labelling machine in which a rotating label conveying member 1 is moved in a non- circular orbital path 2 successively past a rotating adhesive applicator roll, a stationary label magazine 4, and a label applicator cylinder 5 and rotated at a non-uniform speed to match its speed to that of the roll and cylinder, the drive mechanism comprises a drive-shaft 7 surrounded by a fixed sleeve 13 mounting a static sun gear 23, an intermediate shaft 17 orbitally-driven by a slotted link and eccentric pin gear drive 8, 9 and 10 around the drive-shaft and rotated by a gear 20 in mesh with the sun gear, and an output label conveyer member carrying-shaft 26, which is guided along the orbital path by cam roller 2 moving in a track by intermediate shaft links 27 and 28 and which is rotated by a gear unit 21 on the intermediate shaft and meshing with an output shaft gear 25, the gear unit consisting of a gear 24, which is helically-displaceable along the intermediate shaft by means of a cam pin 29 following a cam track 22 on the sleeve 13. The eccentric pin gear drive 9 and 10 superimposes an oscillatory movement on the orbital movement of the intermediate shaft -and hence the output shaft and label conveying member whilst the gear 24 transmits a continuous rotation to the output shaft and superimposes a further rotation in accordance with its helical movement along the intermediate shaft. The arrangement ensures that the label conveying member can be arranged to follow the flat label surfaces in the magazine and the curved surfaces of the roller and cylinder, and the label conveying member can be matched to the peripheral respective speeds of the cylinder and roller.
Patent GB-1447520-A (GB)
Title: Process for providing polyvinyl acetal
IPC: C08F8/00
Filed: 1973-12-28
Abstract: 1447520 Polyvinyl acetals SEKISUI KAGAKU KOGYO KK 28 Dec 1973 [30 Dec 1972] 60041/73 Heading C3P  Polyvinyl acetals are produced by condensing polyvinyl alcohol with an aldehyde in the aqueous phase in the presence of an acid catalyst, the process including the steps of (i) conducting an initial reaction stage at a temperature above 20 C., (ii) reducing the temperature to not more than 20 C. to precipitate a reaction product, and (iii) heating the reaction system to at least 30 C. to age the reaction product. The PVA may contain residual acyl groups, preferably not more than 10 mol per cent. In examples, the aldehyde is butyraldehyde or a mixture thereof with formaldehyde or acetaldehyde, and the catalyst is hydrocholoric acid.
Patent GB-1422130-A (GB)
Title: Installation for transmitting signals within a building
IPC: G08B1/08
Filed: 1972-12-29
Abstract: 1422130 Selective signalling A KATHREIN JNR [trading as KATHREIN-WERKE KG] 29 Dec 1972 31 Dec 1971 25 July 1972] 60114/72 Heading G4H [Also in Division H4] Communication between apartments of a building and a central unit is via a line system having an unvarying number of conductors and is such that a binary coded D.C. signal from the central unit to ring a bell in an apartment is also operative to connect a loud-speaker in the apartment to the central unit thereby preventing eavesdropping, the line system also connecting an antenna at least to the apartments. Each apartment has a control/display panel, Figs. 2, 14, providing audio and video communication with a main gate over lines 12, 13, and includes an encoder/decoder 20 unique to that address. Communal radio/TV programmes are distributed over coax 10 and power over line 11. Alternatively, the communal and door TV signals may share the same coax or all signals may be multiplexed on to a single coax, the central unit and apartments having suitable separating filters, Operation of a call-button at the main gate is binary coded and transmitted over signal lines 12 to terminals 121-126 of each apartment. The decoder 222 of the called apartment applies earth potential to point 223 and positive potential to point 241 to energize Darlington pair 230, 231 and fire thyristor 233 which allows passage of A.C. current over line C to ring bell 234, at the same time causing thyristor 237 to conduct and connect microphone 239 and loudspeaker 238 to earth line A. A central thirtysecond timer (Fig. 13e, not shown) also responds to the code and applies a disabling signal to an AND gate (201). If the called party is absent, the timer runs down and enables the AND gate to interrupt feed current from the central station to the door extension and thereby disables the interconnection until the call-button is depressed again. If the called party goes offhook 240 current over line D1 is sensed in a threshold circuit (192, 194, Fig. 13d, not shown) to apply earth potential to a speech amplifier (195) and to the AND gate (206) preventing disconnection as long as the switch 240 is closed, even after the timer runs down. The called party may then operate switch 245 to connect earth potential to line 121 which is decoded at the central unit to operate the door opener. Similarly, operation of switch 250 applies earth potential to line 122 to sound a general alarm 28, Fig. 2.  The central unit has plug-in boards for the different functions including a test board (not detailed).
Patent GB-1299091-A (GB)
Title: Improvements in and relating to galvanometers
IPC: G01R5/04
Filed: 1969-12-16
Abstract: 1299091 Making galvanometer coils SOC DE PROSPECTION ELECTRIQUE SCHLUMBERGER 16 Dec 1969 61118/69 Heading B3A [Also in Division G1] A galvanometer incorporates a cylinderical body 1 which contains an inert fluorinated liquid 90 and a moving coil assembly 60 immersed in the liquid and rotatably supported therein by suspension wires 26, 40. The coil assembly comprises a frame, to which a mirror is fixed, formed by a winding of aluminium wire whose turns are made rigid and are cemented together by being moulded in a hardenable resin. End pieces are moulded into position simultaneously with the moulding of the frame, and the mirror is cemented directly to one of these and can be illuminated by an optical system 6. Contact strips welded to the ends of the aluminium wire are partially embedded in the end pieces. The end 24 of one suspension wire 26 remote from the coil assembly is fixed, that of the other 40 in attached resiliently to a spring 38. Torsion may be adjusted by rotating a cover 32 to which the spring is attached, while tension is adjusted by screwing a cap 30 supporting the cover. The coil assembly together with polepieces 42, 44 is mounted in an inner body 10 forming an electrostatic screen. This body fits in the outer body 1 having a hood 2 incorporating a filler hole and lead connectors. To minimize thermoelectric effects, the lead 52 to the fixed suspension wire 26 is of the same material.
Patent GB-634569-A (GB)
Abstract: 634,569. Knitting-machines. KILLIAN, E. May 22, 1946, No. 15527. Convention date, March 25, 1944. [Class 74 (ii)] Terry or plated fabric is produced by feeding a body yarn through an eye in a throat piece mounted in the latch ring of a circular machine and above which a terry or plating yarn guide is positioned and adapted to swing across the throat piece so that the terry or plating yarn may be fed in both directions of reciprocating knitting. As described, the body yarn guiding aperture 34 in the throat piece is formed in the bottom section 32 which extends between a pair of side members 29 supporting the throat piece in the latch ring 37. The terry or plating yarn guide is formed of two parts 20a, 20b, the front part 20b, in which the yarn guide eyelet is formed, being pivotally attached to the bodypart 20a which is supported in the normal manner between the lugs 38 so that the guide as a whole is positioned above the bottom section of the throat piece. An abutment 26 is formed on the part 20b and a corresponding abutment 27 is formed on the part 20a and together these abutments form stops limiting the movement of the part 20b when swung in the two directions. When knitting proceeds in one direction, and terry fabric is being formed, the body yarn is fed to the needles ahead of the terry yarn, the terry yarn guide being positioned so that its yarn extends over the edge of the bottom section at one corner 36 of the throat-piece. Reverse movement of the needle cylinder causes the body and terry yarns to feed in the opposite direction, the reverse feeding of the terry yarn effecting to swing the part 20b of the terry yarn guide so that the yarn extends over the edge of the bottom section 32 and at the other corner of the throat piece. Movement of the guide part 20b ensures that the yarn is fed at the correct angle in both directions of knitting and over the tops 45b of the sinkers. To effect plating the latch ring is lowered with respect to the sinkers to adjust the position of the plating yarn guide so that it feeds its yarn into the throats of the sinkers together with the body yarn. Raising and lowering of the latch ring is controlled by a screw 43 mounted in the latch ring and engaging a stationary member 44. Specification 634,571 is referred to.
Patent GB-2007682-A (GB)
Title: Thermoplastic elastomer blends of 1-olefin polymers with styrene-butadiene rubber
IPC: C08L9/06
Filed: 1978-06-12
Abstract: Thermoplastic elastomer blends of 1-olefin polymers and copolymers such as polypropylene with styrene- butadiene rubber have good physical properties such as a low brittle point, good low temperature impact resistance, minimum creep at high temperatures and good elongation. The blends can be repeatedly processed and yet maintain their good physical properties. The amount of the 1-olefin polymer or copolymer based upon the weight of the blend ranges from 15 percent to 48 percent with the amount of the styrene-butadiene rubber correspondingly ranging from 85 percent to 52 percent. The blend is mixed at a temperature at or above the melting point of the 1-olefin polymer or copolymer with two phases produced which are generally continuous. The blends which may be partially cured have excellent and unexpected ozone resistance and aging properties, as well as excellent paint adhesion.
Patent GB-2003056-A (GB)
Title: Optical fibre coated with modified polybutadiene
IPC: C03C25/106
Filed: 1978-08-16
Abstract: A process for producing an optical fibre comprises applying a coating material onto an optical fiber, directly after drawing thereof and prior to contact thereof with any other solid substance and heat drying said coating material at 100 DEG -500 DEG C, said coating material consisting of a resinous composition essentially composed of modified 1,2-addition polybutadiene in an organic solvent. The use of fast curing modified polybutadiene compositions permits drawing speeds in excess of the normal 30/40 metres per minute to be used.