baber/WOPTO huggingface dataset:
Patent GB-1168457-A (GB)
Title: Body for the separation and purification of hydrogen and its isotopes
IPC: C01B3/50
Filed: 1966-12-15
Abstract: 1,168,457. Gas diffusion catalytic compositions; separating gas mixtures by diffusion. VARTA A.G. 15 Dec., 1966 [16 Dec., 1965], No. 56248/66. Headings B1E and B1L. A composition suitable for differential gas diffusion is made by compacting a pulverulent binder and a pulverulent hydrogen-sorbing metal, obtained by leaching out, with evolution of hydrogen, a catalytically-inactive component from its alloy with the hydrogensorbing metal, and rendering the latter non- pyrophoric.- Preferred hydrogen sorbing metals are Na and Co but also specified are Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Pt or Pd. The catalytically-inactive metal may be Zw, Mg, Ba or Al. The binder may be metallic Cu, Pb, Ag or another form of Ni e.g. carbonyl Ni or non-metallic e.g. a synthetic resin. Example 1 describes the preparation of a Romey Ni- Ag composition useful for separating hydrogen and carbon dioxide from gaseous mixtures by diffusion.
Patent GB-1163605-A (GB)
Title: The polymerisation of vinyl chloride at low temperatures.
IPC: B23K11/26
Filed: 1966-12-16
Abstract: 1,163,605. Continuously polymerizing vinyl chloride. MONTECATINI EDISON S.p.A., and A.C.S.A.-APPLICAZIONI CHIMICHE S.p.A. 16 Dec., 1966 [17 Dec., 1965], No. 56521/66. Heading C3P. Vinyl chloride polymers are made by continuously polymerizing vinyl chloride alone, or with a minor quantity of one or more copolymerizable monomers at a temperature below 0 C. in the presence of a catalyst system comprising an organometallic boron compound and an organic compound of the general formula R-O-O-R<SP>1</SP> in which R and R<SP>1</SP> which may be the same or different represent a hydrogen atom, or an alkyl, aryl, cycloalkyl, or aralkyl group. The molar ratio of R-O-O-R<SP>1</SP> to the organometallic boron compound is increased during polymerization by addition of R-0-0-R<SP>1</SP>, and is from 1À5 to 5.0 at a predetermined degree of polymerization when the reaction mixture is treated with an aqueous alkaline solution. The polymerization is preferably effected in the presence of a liquid capable of maintaining the reaction mixture highly fluid, e.g. a halogenated aliphatic compound. The process may be carried out in two or more reactors. Suitable organometallic boron compounds are alkyl borons, boron hydrides and boron alkylhydrides, alone or complexed with oxygen-containing compounds. Exemplified catalyst systems are triethylboron with cumene hydroperoxide, or tert. -butyl hydroperoxide. The examples all relate to the homopolymerization of vinyl chloride.
Patent GB-1485768-A (GB)
Title: Production of crimped yarn
IPC: D02G1/12
Filed: 1973-12-07
Abstract: 1485768 Advancing and twisting yarn by hot fluid into stuffer box crimper IMPERIAL CHEMICAL INDUSTRIES Ltd 28 Nov 1974 [7 Dec 1973] 56777/73 Heading D1F Thermoplastic yarn is crimped by forwarding and twisting the yarn by the action of hot fluid, and impinging the forwarded yarn against a yarn wad in a stuffer box. The forwarding and twisting may comprise directing at least one stream of hot fluid; e.g. air or steam, towards a yarn at an acute angle to its axis. As shown, Fig. 1, yarn passing through conduit 1 is forwarded and twisted by a vortex created by four equispaced, hotfluid channels 13 entering chamber 9, Fig. 2. The twisted yarn is thereby passed through conduit 5 into stuffing chamber 7 from which fluid escapes via radial holes 23. Withdrawn yarn is cooled by cold fluid, e.g. air, passed through at least two, e.g. six, channels 29. Chamber 7 has hemispherical or conical end 21. The treatment of drawn polyamide yarn is exemplified. Some yarn filaments may be heat fused by the process. Yarn is passed through a tensioning nip, a slot in a vane assembly rotatable about a horizontal axis, and a wind up. Twist changes in the yarn cause the yarn and hence the vane assembly to rotate during wind up. Four photo-electric devices mounted at 90‹ intervals in a perpendicular plane measure vane rotation and hence yarn twist,
Patent GB-1449185-A (GB)
Title: Multiple blade safety razor cartridge
IPC: B26B21/22
Filed: 1973-12-11
Abstract: 1449185 Razors PHILIP MORRIS Inc 11 Dec 1973 [11 Dec 1972] 57366/73 Heading B4B A razor head cartridge comprises first and second pairs of blades 16, 16a and 15, 15a separated by a spacer 11 and clamped between a cap member 10 and a platform member 12, and a plurality of posts 17 extending from the cap member through the respective blades, spacer and platform member with their ends secured in the platform member. The blades 16, 16a, 15, 15a are each formed with elongated holes 18, 18a, 19, 19a such that after assembly of the parts, and prior to the posts 17 being staked, the blades can be pulled by magnets to bring their cutting edges into contact with stops 20 and 42 formed on the cap member; the cap member and spacer are also formed with stops 36 and 37a for engagement with the back edges of the blades prior to the magnetic setting operation. A flexible bar 60 is secured in the platform and provided with detent elements 60a for co-operation with a handle 75, 76.
Patent GB-1332166-A (GB)
Title: Longitudinally stretchable band assembly
IPC: D03D15/56
Filed: 1970-12-02
Abstract: 1332166 Stretchable waistbands QUICK SERVICE TEXTILES INC 2 Dec 1970 [15 Dec 1969 2 March 1970 8 Sept 1970] 57371/70 Heading A3V [Also in Divisions B2 B5 and Dl] A longitudinally-stretchable assembly for a marginal portion such as the waist of an article of wearing apparel to preclude rollover and to impart a resilient, body-hugging characteristic to said portion includes as shown in Figure 1 a band 210 which is elastic in the longitudinal, peripheral direction of the assembly, one edge of the band being formed into an inward fold 215, a strip of textile fabric 218 on the inside of the waist band, said strip having monofilaments in the weft direction to preclude roll-over of the marginal portion and an elastic warp in said longitudinal, peripheral direction and an elastic substance on or impregnated into said strip whereby the monofilaments and said elastic warp are bound to each other, one edge of the strip being disposed within the fold and adjacent the bight thereof, and means securing the strip within the fold. The band 210 is joined to the shell 211 of the garment by stitching 213. Preferably the stiffening strip 218 comprises nylon monofilaments and is preferably curved transversely. The band 210 may be of stretch broadcloth, double knit fabric, or a fabric including polyurethane thread. A strip 230, e.g. bias cut fabric is sewed to the components 210 and 218 by stitches 231 and a curtain 234 is sewed to the strip 218 and the folded-up lower marginal area of the component 230 by a row of stitches 235. Other similar assemblies are also illustrated. The elastic warp of the strip of textile fabric may comprise crimped yarn and the weft may be nylon or polyester or natural monofilament, e.g. horse hair, or mineral fibre such as glass, or metal. After weaving the fabric may be shrunk. The elastic substance may be an elastomer, e.g. a nitrile, neoprene, and may be applied as a latex or plastisol by knife coating. Alternatively the elastic substance in pasty form may be deposited on a release paper and transferred to the fabric. The fabric may also be produced by applying a foam to a fabric having a non-crimped warp yarn and a weft having a low count to posite is overfed in order to relax the fabric in the warp direction. Alternatively a film of elastic material may be integrated with a fabric already containing crimped yarn or alternatively a fabric woven under tension and comprising unwrapped web rubber alternated with cotton yarn warp so that during the winding- up the cotton yarn retracts to a crimped state. The film may be bonded to the base fabric by heating, e.g. with radio-frequency energy or by cementing or flame-bonding.
Patent GB-1419526-A (GB)
Title: Flashlight
IPC: F21L4/00
Filed: 1972-12-13
Abstract: 1419526 Electric battery lamps NEW PRODUCTS DEVELOPMENT CO Inc 13 Dec 1972 [16 Dec 1971] 57622/72 Heading F4R The main tubular body member 4 of a hand torch is internally threaded at the end remote from the light bulb assembly 24 so that it can be connected either to an externally threaded end cap 70 or to one or more additional tubular body members such as 6 or 8 to vary the number of cells which can be inserted. The end cap has an internally threaded aperture to receive a fastener 80 provided with a carrying thong 100, the fastener and thong being stored inside the end cap when not in use.
Patent GB-1330238-A (GB)
Title: Reciprocating pump
IPC: F04B23/06
Filed: 1971-12-16
Abstract: 1330238 Reciprocating pumps MEC-OMATIC CO 16 Dec 1971 [28 Dec 1970] 58480/71 Heading F1A A pump for pumping small quantities of liquids, e.g. chemicals for water treatment, comprises a first pumping chamber 18 through which liquid is pumped, via check valves 34, 39 by a diaphragm 24 or a piston (120), Fig.4 (not shown), and a second pumping chamber 19 in which a plunger 22 is reciprocated, liquid entering chamber 19 from chamber 18 on retraction of plunger 22, and being discharged via O-ring check valve 45 on the forward stroke. The closing bias on valve 45 is greater than that on valve 39. Member 50 defining chamber 19 is axially adjustable by knob 55, carrying scale 59, to vary the effective stroke of plunger 22, and hence the output from chamber 19. In Fig.4 (not shown), the second pumping chamber is defined in the piston (120) operating in the first pumping chamber, and reciprocates relative to a fixed plunger (123) with a check valve controlled delivery passage, the fixed plunger being on an axially adjustable member (150) for adjusting the effective stroke. Gases entering pumping chamber 18 are returned to reservoir 12.
Patent GB-588019-A (GB)
Abstract: 588,019. Control of two D.C. motors. SZWANDER, W., WHITE, H. W. N., and METROPOLITAN-VICKERS ELECTRICAL CO., Ltd. Jan 25, 1945, No. 2034. [Class 38 (iii)] In a boiler installation, one D.C. motor for driving auxiliaries has a contant excitation while another has its armature supplied at constant voltage ; the armature voltage of the first motor and the excitation of the second are both'varied according to the load on the boiler. In Fig. 1, motors D and ID (which may drive forced and induced draught fans) are excited, through bus-bar FBB, by the exciter X. The armature of motor E (which may drive the exhauster for pulverised fuel firing) is supplied, through bus-bar CBB, by the constant-voltage generator C. The excitation of motor E and the armature voltage of motors D and ID are both varied, manually or automatically, according to the load on the boiler, e.g., by the servo-motor SS which moves the field rheostat EA for the motor E and and the potentiometer type field rheostat VT for the generator V, which latter generator supplies motors D and ID through bus-bar VBB. Thus, while motors D and ID start from zero speed at zero boiler load, motor E has a definite minimum speed which is increased with increase in boiler load starting from some load on the boiler which need not be zero. Mill and separator motor armatures M and S are supplied through bus-bars CBB. The armature of the raw-coal feeder motor F can be connected at will to bars CBB and VBB. For starting, the motors can be supplied, through bus-bar SBB, by the generator C or by a starting generator. There may be two motor-generators sets, or grid-controlled rectifiers may replace machines C, V, and X. One motor-generator may supply auxiliary motors for two boilers alternately. There may be two or more mill units, the number of units in action being increased with increase of boiler load. Each time an extra unit is started up, the motors such as E and F which are already running are abruptly slowed down by reduction of motor field resistance by closure of contactors EB-FB and EC-FC in succession; in Fig. 2 (not shown) this is done by magnet coils energized by closure of main switches for bringing extra units into action. Motor field resistance may be reduced in response to overspeed. To prevent overspeed, limit switches operated by movement of the rheostat EA may reduce the field resistance. To obtain smooth transition from high to low speed of the motors, " fluttering" relays responsive to excessive forward or reverse armature current act on the contactors EB-FB and EC-FC to control the reduction of field resistance and the rate of increase of excitation.
Patent GB-1443578-A (GB)
Title: Method of joining the conductors of electric cables
IPC: H01R4/20
Filed: 1973-12-19
Abstract: 1443578 Sleeve couplings INDUSTRIE PIRELLI SpA 19 Dec 1973 [29 Dec 1972] 58872/73 Heading H2E A radially compressible, electrically conductive sleeve coupling is preformed to have at least one internal recess 24 or protuberance (not shown), preferably annular, located to lie against one electric cable 1 and another, 25, to lie against the second cable 2 and prior to assembly the inner surface is free to the atmosphere. An internal ridge 21 may be used to locate cable ends. Upon compression the recesses grip the outer layers 6, 11 of the cable. For an oil cooled cable an incompressible insert 13 is placed with half inside the bore of each cable, this may also have recesses on it. Other embodiments have steps (46, 47, 49, 50 Fig. 3 not shown), on the inside of the sleeve each having a groove or recess to embed, after radial compression, into the various layers of a multilayered conductor such layers being cut into stepform also. The same stepped sleeve may be used with twisted wire cables (Fig. 7 not shown). Preferably the recesses have walls at an angle of 45 to 90 degrees with the sleeve axis, and are of trapezoid form.
Patent GB-1298869-A (GB)
Title: Valve gear for an internal combustion engine
Inventor: PICHARD JACQUES
IPC: F01L1/16
Filed: 1970-12-11
Abstract: 1298869 I.C. engine valve gear LE MOTEUR MODERNE 11 Dec 1970 59090/70 Heading F1B A valve member 1 has an operating mechanism including a tappet 3 adapted to co-operate with a rotating cam 2 and resilient valve closing means 6, 7 having a stiffness which increases with compression and is such that at a predetermined engine speed at least part of its opening movement takes place by virtue of the inertia of the valve gear rather than cam actuation. Closing of the valve member 1 is braked by co-operation of the tappet flange 14 with a liquid reservoir 13. The liquid may be oil splashing from the cylinder head 10 or a separate closed circuit forced feed system may be provided. The side wall of the reservoir 13 facing the flange periphery may be shaped to provide an annular space which varies in cross-section over the range of flange movement. A step (16), Fig.2 (not shown), at the bottom of the reservoir 13 provides for increased braking immediately prior to flange seating on the reservoir bottom wall. In another embodiment, Fig.6 (not shown), an overhead cam-shaft operates directly or through a rocker on a bucket tappet (3) containing the valve springs (6, 7). The tappet operates in a member, defining the forcefed reservoir (13), mounted in the cylinder head (10). The variation in stiffness of the valve closing means may be provided by having one spring 7 with a greater stiffness than the other 6 or by having a single spring of varying pitch or wire diameter. In operation, the valve lift will increase with engine speed above the predetermined speed and the duration of valve closing will be substantially constant providing an increased crank-angle overlap between inlet valve closing and exhaust valve opening with increasing speed above the predetermined speed. The cam-shaft may be angularly adjusted to provide the midpoint of the valve overlap at a constant crank angle.
Patent GB-1234900-A (GB)
Title: Improvements in memory circuits
IPC: G11C11/36
Filed: 1969-12-11
Abstract: 1,234,900. Matrix data stores. INTERNATIONAL BUSINESS MACHINES CORP. 11 Dec., 1969 [6 Jan., 1969], No. 60456/69. Heading G4C. [Also in Division H3] A two terminal PNPN diode 1 is made conductive by a pulse from 6, and held conductive by a train of pulses from 5 whose magnitude is less than the breakdown voltage of the diode but is sufficient to periodically restore the minority carrier concentration in the middle P and N regions. The state of the diode is detected by a pulse from 7 whose magnitude is also less than the breakdown voltage and which occurs between two of the pulses from 5, a current indicator 8 registering a current if the diode 1 is conductive but not otherwise. The diode 1 is turned off by a pulse from 10. A diode 2 may be connected in series with the PNPN diode 1 and a resistor 3 may be connected in addition to, or instead of (Fig. 2, not shown), the diode 2. A matrix of PNPN diodes may be formed in a monolithic array (Fig. 3, not shown), the conductors being connected to the pulse generator 5 through respective diodes (22-27).
Patent GB-1355819-A (GB)
Title: Card handling apparatus
IPC: G09B5/06
Filed: 1971-12-30
Abstract: 1355819 Feeding record cards BELL & HOWELL CO 30 Dec 1971 [17 May 1971] 60704/71 Heading G5R A record card is engaged and driven past a transducer by a first drive from which it may be disengaged in order to be driven in the reverse direction by a second, idler, drive which is movable into simultaneous engagement with the record card and the first drive. As shown, a magnetic-stripe record card 14 is driven from right to left past a spring-urged transducer 34 by a first capstan 32, until the card 14 clears a plunger 26 to allow a switch 28 to open and stop the drive motor 30. If an operator at any time depresses a button 70, a lever 76 pulls a slider 58 to withdraw the transducer 34, close the motor switch 28 through a lever 92. and engage a gearwheel 54 on a shaft 52 with a gear-wheel 33 on the first capstan 32 which thus drives a roller 46 (secured to the shaft 52) which is now engaging the card 14, so returning the card towards its initial position until the operator releases the button 70 or the card clears the roller 46.
Patent GB-1324270-A (GB)
Title: Magnetic disc recording apparatus
IPC: G11B5/54
Filed: 1970-12-22
Abstract: 1324270 Recording and playback INTERNATIONAL BUSINESS MACHINES CORP 22 Dec 1970 [19 Jan 1970] 60722/70 Heading G5R In a flying heads magnetic disc recording system a safety arrangement independent of the main positioning mechanism is provided to rapidly move the heads to an inoperative position should the disc speed fall. In the arrangement described, the heads (not shown) are mounted on a carriage 12 and may be moved relative to a disc assembly (not shown) between a raised, inoperative, position with the carriage at the left (as in Fig. 2, not shown) and a lowered, operative, position with the carriage at the right (as in Fig. 3). Whilst the rotational speed of the disc assembly is above a desired value a solenoid 52 is energized to pull a lever arm 150 downwards and so latch a spring loaded slide 24 in an extreme right hand position, as in Fig. 3. If however the rotational speed drops, the solenoid becomes de-energized, and a spring 58 rotates the lever arm 150 clockwise. The slide therefore becomes unlatched and is rapidly pulled towards the left, thereby moving the carriage and the heads away from the discs, as in Fig. 4.
Patent GB-617027-A (GB)
Abstract: 617,027. Moistening air. BAHNSON CO. March 11, 1946, No. 10754/48. Convention date, Aug. 23, 1945. Divided out of 616,986. [Class 55 (ii)] In air humidifying apparatus mounted in a duct 1 having an air fan 4, a pair of rotating disc and ring atomizers 6 are arranged with axes perpendicular to the air flow. Two or more sets of discs side by side or in staggered formation may be provided in larger ducts, and in a modification a spray eliminator extends across a flared outlet and comprises a zig-zag arrangement of panels each having a number of layers of fine wire mesh backed on the outlet side by a coarse mesh screen. A grid 9 of vanes between fan and atomizers eliminates a rotary component of the air stream. Specification 388,498.is referred to. Reference has been directed by the Comptroller to Specification 629,986.
Patent GB-1293918-A (GB)
Title: Machine for manufacturing envelopes with either moistenable or self-sealing closure flaps
IPC: B31B160/10
Filed: 1969-12-23
Abstract: 1293918 Making envelopes WINKLER & DUNNEBIER MASCHINENFABRIK UND EISENGIESSEREI KG 23 Dec 1969 [28 Dec 1968] 62626/69 Heading B5D Envelopes with ungummed folded closure flaps pass through a device which opens the flaps, applies an adhesive layer to each flap and/or envelope body, staggers the envelopes, and dries the staggered envelopes prior to collecting them. The device may be such that it can apply either self-adhesive or moistenable adhesive to envelopes delivered by a machine which can only produce envelopes with ungummed flaps, Figs. 1-3 (not shown). Alternatively, as shown in Figs. 4 and 5, the machine may be one which normally produces envelopes whose flaps have moistenable adhesive layers, the finished envelopes being stacked by a slotted wheel 112 at 115. However, when combined with the device referred to above, which in this case applies self-adhesive layers, the normal flap-gumming mechanism 106 is made inoperative, and the envelopes by-pass the wheel 112 to be passed, flap first, to the device by a suction roller 9. The direction of movement of the envelopes is reversed and they are drawn past a fixed projection associated with a roller 11 to open the flaps, Fig. 6 (not shown). The adhesive layers are applied at 19, the envelopes are then decelerated so that they become staggered and overlapping, and the staggered envelopes are dried by warm air from a duct 40 prior to stacking with their flaps open. In the other embodiment, Figs. 1-3 (not shown), the envelopes can be stacked with their flaps either open or closed. In both embodiments the adhesive layers are spaced from the edges of the envelope flaps and bodies.
Patent GB-2002726-A (GB)
Title: Carbonaceous material for use in methanation reactions
IPC: C01B31/00
Filed: 1978-07-21
Abstract: The carbonaceous materials, which are highly reactive, particularly with hydrogen to form methane, comprise a carbon matrix (which may comprise fibrous carbon) having dispersed therein a Group VIII metal which is at least partly chemically bonded to the carbon matrix. They are characterised by the following properties:   (a) when contacted with hydrogen at 1 atmos., 550 DEG C and a feed rate of 2 moles hydrogen per hour per mole of carbon, at least 0.1 mole of methane is formed; and (b) they are capable of undergoing a plurality of cycles of hydrogen treatment (methanation) and carbon deposition (by treatment with carbon monoxide), the maximum rates of methanation and carbon deposition increasing with each cycle. The materials are produced by passing carbon monoxide over a source of a Group VIII metal at an elevated temperature, whereby at least some of the metal migrates into the carbon matrix thus formed.   The materials may also be used for desulphurising a gas stream. They are then regenerated by hydrogenation.
Patent GB-2005420-A (GB)
Title: Powering a gas detector
IPC: G01N33/00
Filed: 1978-09-04
Abstract: Gas measuring apparatus, in particular portable apparatus powered by a built-in current source, of the kind having gas-detecting elements, operating and indicating elements and alarm means and comprising an energy supply unit having a chargeable battery as its current source, a measuring unit and a chassis, which items are releasably and exchangeably connected together. Energy is supplied from the battery 2 via switching means 4 in the energy supply unit to the measuring unit 3, and in the energy supply unit, the voltage feed to a plug-in connection 5, 5', 6, 6' thereon is interrupted by switching means 4 when the measuring and energy supply units are not engaged via the chassis 1. <IMAGE>