baber/WOPTO huggingface dataset:
Patent GB-1436441-A (GB)
Title: Cross-winding machine
IPC: B65H59/00
Filed: 1973-09-14
Abstract: 1436441 Yarn traversing means BARMAG BARMER MASCHINENFABRIK AG 14 Sept 1973 [14 Sept 1972] 43198/73 Heading D1J A traverse mechanism comprising a filament guide 1", Fig. 4, reciprocable by a rotating reversing thread roller 24, and in which the guide 1" feeds the yarn 7 being wound to a grooved roller 30, the rollers 24 and 30 being geared to each other, is characterised in that the grooved roller 30 has successively a grooved section (C), Fig. 6, of increasing groove depth, a grooved section (F) with a constant maximum groove depth, and a groove section (DG) of decreasing groove depth, section (C) beginning at the longitudinal centre of the grooved roller 30 and having a progressively increasing angle of inclination along its base; section (F) beginning before the stroke reversal point and ending adjacent the stroke reversal point; and section (DG) ending before the longitudinal centre of the grooved roller and having an angle of inclination along its base which, in the first part (D) of this groove is greater, and in the second part (G) of this groove is smaller, than the maximum angle of inclination of the groove section (C). The package 3 is driven by a drive roller 4 that is preferably polished. The grooved roller 30 may have a matt-chromed surface formed by sand-blasting, followed by hard chroming of the roughened surface. The roller 4 and the roller 30 may be driven at different speeds.
Patent GB-990614-A (GB)
Title: Aerating device
Inventor: BENJAMIN FRANK EDWIN
IPC: E03C1/084
Filed: 1963-11-04
Abstract: 990,614. Aerating liquids. WRIGHTWAY ENGINEERING CO. Nov. 4, 1963, No. 43399/63. Heading B1C. An aerating device for attachment to a faucet has an annular air inlet 42 surrounding the fluid outlet, and an external deflecting flange 52 to prevent contamination of the fluid flow by drops of condensation on the outside of the aerator. In operation the inflowing liquid is broken up by holes 30 ,in a disc 29 into jets which impinge on a break-up plug 34, entrains air in the chamber 33, and is discharged through the annular space 35 and screen 46. The area of the annular space 35 is greater than that of the perforations 30 so that air can pass up through it and the chamber 33 does not fill with water. The device may be made of metal or plastic.
Patent GB-1072799-A (GB)
Title: Improvements in or relating to apparatus for treating internal combustion engine exhaust gases
Inventor: PURSE FRANK VERNON
IPC: F01N3/28
Filed: 1964-10-26
Abstract: 1,072,799. Treating and silencing exhaust gases. UNIVERSAL OIL PRODUCTS CO. Oct. 26, 1964, No.43475/64. Heading F1B. A device for purifying exhaust gases comprises an annular catalyst bed 13, of tapering crosssection formed between perforated members 8, 10. The casing 1 and members 8, 10, are of oval cross-sections and the exhaust gases entering at 4 flow radially outwards through the bed 13 to an outlet chamber 11 leading to the outlet 5. The increasing thickness of the bed 13 maintains a substantial uniform flow through the bed at differing sections along its length. A resonance chamber 23 is connected to the inlet pipe 7 through aperture 22 and resonance chamber 25 is connected to chamber 11 through apertures 27. Differences in thermal expansion of the members 8, 10, are permitted by flexing of the end partitions 12, 9. The inner end of the catalyst chamber is supported by guide ribs 14. In a modification the gases enter at 5 and flow radially inwardly through the catalyst bed. The casing 1 may be insulated by asbestos or mineral wool and encased in an outer casing.
Patent GB-1482004-A (GB)
Title: Polysiloxanes
IPC: C08L7/00
Filed: 1974-10-08
Abstract: 1482004 Polyolefin-filled polysiloxanes GENERAL ELECTRIC CO 8 Oct 1974 [26 Dec 1973] 43587/74 Headings C3P and C3T A polyolefin-filled vinylorganopolysiloxane comprises a continuous phase of ungrafted vinylorganopolysiloxane of 10 to 10<SP>7</SP> cp./25‹ C. having dispersed therein a discontinuous phase of a finely divided solid ungrafted polymer obtained by polymerizing an unsaturated monomer or mixture of monomers in the presence of the polysiloxane. The polymerization may be carried out in the presence of a free radical catalyst at a temperature sufficient to effect polymerization but insufficient to cause grafting on to the siloxane, e.g. 35-135‹ C. The composition may be used in conjunction with a hydrogen organopolysiloxane and a Pt catalyst to give an RTV composition; this may be stored as a 2-part pack, one part containing the filled vinyl siloxane, the Pt catalyst and any further, conventional, additives, the second the hydrogen siloxane. In Examples 1-3 vinyl acetate or styrene is polymerized at c. 90‹ C. in the presence of azobisisobutyronitrile or t-butyl peroctoate in a vinyl-terminated polydimethylsiloxane of 300 or 3500 cP./25‹ C. to give dispersions of which 40 wt. per cent is particulate polymer and the reported viscosities range from 1450 cP. to 195,000 cP. In Examples 4-7 these dispersions are mixed with 1À3-2À5 wt. per cent of a copolymer of Me 2 HSiO 0À5  and SiO 2  units and a catalyst of Pt complexed with Me 2 ViSiOSiMe 2 Vi or [MeViSiO] 4  to give rubbers.
Patent GB-1195060-A (GB)
Title: Improvements in Induction Systems for Internal Combustion Engines.
IPC: F02M35/10
Filed: 1967-09-27
Abstract: 1,195,060. Induction systems. DEUTSCHE VERGASER G.m.b.H. & CO. K.G. Sept. 27, 1967 [Oct. 5, 1966; June 9, 1967], No.44056/67. Heading F1B. The induction passages 81, 91 are inter-connected by an unobstructed pipe 10 Fig. 1. With a firing order 1-3-4-2, rich mixture collecting in one induction passage while its associated valves are closed is sucked through the passage 10 into the other induction passage. The passage 10 may be formed by a separate pipe or by a passage drilled in the cylinder head. In Fig. 4 the induction pipe of cylinder 1 is connected by passage 14 to that of cylinder 3 and cylinders 2, 4 are inter-connected by passage 17. In Fig. 6 separate carburetters 21, 22 feed pipes 23, 24 each associated respectively with a pair of induction pipes 27, 28, and 31, 32. An opening 38 in the dividing wall 33 is connected by passage 37 to the induction pipe 27 and an opening 41 in the wall 29 is converted by pipe 40 to the pipe 31. In an engine with a separate induction pipe (43, 46) Fig. 8 (not shown) for each cylinder, pipe (51) interconnects pipes (43, 46) and pipe (52) inter-connects pipes 44, 45, the two inter-connecting pipes also being inter-connected at (53).
Patent GB-984786-A (GB)
Title: Improved seal assembly
IPC: F16L19/02
Filed: 1963-11-08
Abstract: 984,786. Pipe joints. N. M. POLLACK. Nov. 8, 1963 [Nov. 15, 1962], No. 44161/63. Heading F2G. A seal assembly for interposition between two separable joint members 7, 32 having end surfaces which are drawn together to define a chamber 19 to be sealed, comprises a resilient, substantially incompressible 0-ring 42 gripped in compression between the said end surfaces to effect a seal therebetween, and means forming a cage confining the 0-ring against radial deformation and mechanically securing the O-ring to one of the joint members. The 0-ring is permitted a limited axial movement relative to the said one member, and the cage means is adapted to provide, when the members are moved apart, a passage on either side of the cage means from the interior of the cage to the atmosphere. As shown in Fig. 2, the 0-ring 42 is positioned between a retaining ring 50 and a boss 39 the latter and the ring being formed with annular grooves. In modifications, (a) the retaining ring 98, Fig. 4, has lugs 104 engageable with lip portions 106 of the member 92 and the 0-ring is supported internally by a plug 118, or the ring 130, Fig. 8, mounts a resilient, split ring 136 having circumferentially spaced ears 140, and (b) the member 156, Fig. 10, is formed with a recess 162 contoured to provide a lip 168 to engage the O-ring 160, there being a number of radially extending passages 170 forming the means for venting to atmosphere fluid pressure which accumulates behind the 0-ring.
Patent GB-1175016-A (GB)
Title: Transfer element and method of making same
Inventor: LAY MERTON JAMES
IPC: B41M3/14
Filed: 1968-09-18
Abstract: 1,175,016. Transfers. KEE LOX MFG. CO. 18 Sept., 1968, No. 44296/68. Heading B6C. The town code marks on a posted envelope are transcribed into phosphorescent code marks in a machine which utilizes heated pins arranged in the form for letter &c. which contact a transfer element comprising, in essence, a coating of a transferable thermoplastic phosphorescent material on a temporary backing. The element is made by melting a thermoplastic synthetic resin in a hot organic solvent, allowing it to cool, mixing into the solution a phosphorescent material, and coating a flexible base material with the resulting dispersion. The resin may be a low molecular weight polyethylene resin, the solvent may be toluene and the phoshorescent material may be carbazole sulphuric acid phosphor. The base material may be a polyester film or paper.
Patent GB-1125725-A (GB)
Title: Record filing device
IPC: A47B63/06
Filed: 1965-10-19
Abstract: 1,125,725. Filing papers. ACME VISIBLE RECORDS Inc. 19 Oct., 1965 [3 Dec., 1964], No. 44316/65. Heading B6E. An apparatus for filing, e.g., hospital chart holders, comprises a number of flexible partitions 22 releasably and slidably held at their inner ends, and provided at their outer ends with flexible resilient tubular members 24 retaining the partitions in yieldably-spaced relationship. The partitions are mounted between upper and lower members which may be fixed, Figs. 5, 6 (not shown), or may be rotatable about a central spindle 17. The upper member carries a flange 20 engaging grooves in the upper edges of the partitions 22 to releasably and slidably retain the partitions. An angularlybent part 23 on the outer edge of each partition is embraced by a tube 24 of resilient plastic material stapled thereto. In the non-rotatable construction, fixed partitions may also be provided in addition to the partitions 22. The upper and lower members (10, 12, Figs. 1, 3) may have inclined flanges (11, 13) with mouldings (26, 27) at their lower edges to retain index tabs (28, 29).
Patent GB-1322009-A (GB)
Title: Inverter circuits
IPC: H02M7/5383
Filed: 1970-09-18
Abstract: 1322009 D.C. - D.C. converters WESTERN ELECTRIC CO Inc 18 Sept 1970 [24 Sept 1969] 44624/70 Heading H2F [Also in Division G3 and H3] To obtain an output independent of supply voltage an inverter circuit simulates saturation of the core of its transformer 5 by means of a circuit 15 in which a switch, such as triac 46, short circuits transformer secondary 38, 39 the voltage across the secondary is integrated to a particular value by capacitor 42, the rate of charging the capacitor being adjustable. The particular value integrated by capacitor 42 is determined by breakdown of one or other of Zener diodes 44, 45 depending on the polarity of the half-cycle of operation, such breakdown switching the triac to conduction in each halfcycle. An inductor 43 in series with triac 46 induces a reverse voltage in the secondary 38, 39 each time a short circuit occurs and such voltage is fed back over windings 31, 32 and 36, 37 to effect alternating conduction in the inverter transistors 10 and 20. Adjustment of the charging rate is effected by varying the resistance in series with capacitor 42, such variation being effected in Fig. 3 by the transistor 70 in shunt with resistor 47 by way of polarity switching bridge 65. In Fig. 3 one section of the core of transformer 5 is isolated by shunts 60 and a winding 61, 63 on this section is made close to resonance with the leakage inductive reactance of the shunts by a capacitor 68. The voltage appearing across 61, 63 is increased by capacitor 68 and its associated core section saturates in each half-cycle thus ensuring a substantially constant flux linkage with the winding independent of supply voltage. D.C. output is taken over rectifier 66 and its voltage varies with the switching frequency of the inverter, output being held constant by taking a fraction of output voltage to control transistor 70. If frequency increases due to variation of supply voltage source 1 the resulting increase in D.C. output increases the emitter-collector path impedance of 70 to reduce the rate of charging capacitor 42 with a consequent reduction in the frequency of operation.
Patent GB-1237589-A (GB)
Title: Antistatic polymer fibres
Inventor: ALDERSON THOMAS
IPC: C08L67/02
Filed: 1968-09-19
Abstract: 1,237,589. Filaments of polymer blends. E. I. DU PONT DE NEMOURS & CO. 19 Sept., 1968 [19 Sept., 1967], No. 44675/68. Heading B5B. [Also in Division C3] A synthetic fibre of improved antistatic properties comprises (a) a synthetic polymer and (b) as a separate phase dispersed throughout the polymer in the form of elongated particles having a length to diameter ratio of at least 10, 2-20% of an N-alkyl (including cycloalkyl) polycarbonamide having a molecular weight of at least 800 and a bulk log R (R = resistivity) in the dry state less than 10À5 and being at least 40% solvent extractable. The polymer may be nylon 6, nylon 66, polyethylene terephthalate, or a copolymer of acrylonitrile and sodium styrene sulphonate with styrene or methyl acrylate. The polyamide may be prepared from N,N<SP>1</SP>-diethyl hexamethylene diamine, N-isobutyl hexamethylene diamine or N,N<SP>1</SP>-diisobutyl hexamethylene diamine and adipic or dodecane dioic acid, optionally together with epsilon-caprolactam or aminostearic acid. The fibre-forming composition may also contain an optical brightener, TiO 2  and/or p-toluene sulphonic acid. Polyamide (b) may be mixed with flake of polymer (a) in a screw melter or injected into the flow of polymer (a) in the spinning machine. The spinneret pack may comprise sand or glass beads. The filaments may be trilobal. They may be drawn over a hot pin, a heated roll, or a hot plate and shoe to elongate the polyamide particles and bulked using a hot air jet.
Patent GB-1217795-A (GB)
Title: Transistorised motor
Inventor: HANADA TOSHIHIDE
IPC: H02K29/12
Filed: 1969-09-10
Abstract: 1,217,795. Electric motors. PIONEER ELECTRONIC CORP. 10 Sept., 1969, No. 44691/69. Heading H2A. An electric motor comprises a rotor 12 mechanically coupled to a generator E whose output is fed through a single-ended transistorized push-pull amplifier to a field winding 10. The rotor 12 and the rotor 13 of the generator are permanent magnets and the generator includes an output coil 14 connected through an amplifying transistor T 3 <SP>1</SP> to the push-pull amplifier which comprises transistors T 1 <SP>1</SP> and T 2 <SP>1</SP>.
Patent GB-447051-A (GB)
Abstract: 447,051. Current and pressure meters. FERRANTI, Ltd., Hollinwood, Lancashire, and HOLMES, E., and HOLMES, S. W., 468, Moss Lane East, Rushholme, Manchester. [Representatives of HOLMES, W.] Nov. 5, 1934, No. 31782. [Class 37] A D-shaped base-plate a carries the polepieces k, m of a moving-coil meter, the soft iron core p being mounted on a projection q. The arms b, c of the plate a locate the coil pivot bearings. The plate a is secured to a bed of insulating material in which the terminals are moulded. The magnet 2 abuts the pole faces at 3 and brackets 4, 5 prevent displacement, the polepieces and magnet being held together by magnetic attraction.
Patent GB-448370-A (GB)
Abstract: 448,370. Cylinders. TRIGGS, W. W., 57, Lincoln's Inn Fields, London.-(Daimler- Benz Akt.-Ges.; Untert³rkheim, Stuttgart, Germany) Aug. 22, 1935, No. 23568. [Classes 7 (ii) and 7 (iii)] A two-stroke engine cylinder is scavenged by upwardly-directed charges admitted through piston - controlled ports h, i and by a whirling charge admitted by a valve f in the head. The passages leading to the ports h, i may have different inclinations and be located at slightly different levels, and the piston, which has a sloping face l, may have a recess m opposite the lower port. The valve f is arranged at one side of the passage n to produce the whirling of the charge which passes across the mouth of the pre-combustion chamber e ; the closing of the valve f may be delayed to produce a supercharge.
Patent GB-1407049-A (GB)
Title: Waveguide
IPC: H01L41/08
Filed: 1972-09-29
Abstract: 1407049 Waveguides INTERNATIONAL BUSINESS MACHINES CORP 29 Sept 1972 [30 Nov 1971] 45005/72 Heading G2J [Also in Divisions H3-H5] An optical waveguide comprises a solid material 401 having at least one surface upon which the waves are propagated, input and output means, e.g. transducers, 406, 409, for coupling waves on and off the surface, a first longitudinal region 407 on the surface bounded by longitudinal ridges 403, 404, which provide a sharp discontinuity for the waves, and a plurality of second longitudinal regions 405A ... D parallel to and spaced from the region 407. The material 401 may be alumina-doped SiO 2  on a fused quartz substrate 402, the regions 403 ... 405 being metallic, e.g. gold, or a dielectric material. If metallic, variable voltage may be applied to them to vary the refractive index of the material (501), Fig. 5 (not shown). In another embodiment, Fig. 6 (not shown), regions (601 ... 603) are diffused or ion implanted in the surface (604) to confine the waves to the region (606). The width of one of the regions 403 ... 405 plus an adjacent depression approximately equals the width of the region 407.
Patent GB-1221903-A (GB)
Title: Piezoelectric lighter.
IPC: F23Q3/00
Filed: 1969-09-12
Abstract: 1,221,903. Piezo-electric generators. JOH. VAILLANT K.G. 12 Sept., 1969 [19 Oct., 1968], No. 45018/69. Heading H2A. In a piezo-electric igniter of the kind in which a striker 12 is withdrawn against a spring 11 by a manipulator and then impelled forward to strike the element 4, the manipulator comprises a rotatable knob 16 attached to the striker and guided by a follower 18 along sawtooth surfaces 20 on the end of a casing 10. As shown the knob 16 has axial extensions 16<SP>11</SP> which are attached to a rotatable retaining disc 14 for the spring 11 and striker 12, the extensions having a gap between them for receiving the follower 18 which is in the form of a pin passing through a shank 12<SP>1</SP> on the striker. Thus, rotation of the knob drives the follower 18 up the inclined parts 21 of the sawtooth surfaces, at the same time withdrawing the striker, until the follower drops into the slots of the sawteeth and allows the striker to engage the element.
Patent GB-1049670-A (GB)
Title: Information processing tape handling apparatus
IPC: G11B15/58
Filed: 1963-11-15
Abstract: 1,049,670. Tape guiding apparatus. POTTER INSTRUMENT CO. Inc. Nov. 15, 1963 [Dec. 3, 1962], No. 45255/63. Heading G5R. Tape is fed from a reel 18 through a storage vacuum chamber 16, round a guide 32 to a transducer 30 and back via a similar guide 33 and chamber 17 to a take-up reel 19. Forward or reverse drive is obtained from oppositelyrotating capstans 24, 25 co-operating with pinch rollers 27, 29. The guides 32, 33 comprise arcuate vacuum chambers with a number of pins spaced apart over the arcuate opening. The side members of the chamber are flared out to facilitate loading the tape, Fig. 3 (not shown), and the pins are spaced apart to provide openings into which the tape can be drawn.
Patent GB-1130679-A (GB)
Title: Improvements in rotary pneumatic nut runners and like tools
IPC: B25B23/145
Filed: 1967-10-06
Abstract: 1,130,679. Nut-runners. ATLAS COPCO A.B. 6 Oct., 1967 [11 Oct., 1966], No. 45782/67. Heading B3N. A rotary pneumatic nut-runner or screwdriver 10, comprises a rotary vane air motor 11, which drives an output shaft 17 through planetary gears 14 and bevel gears 16, a throttle valve 20 opened by a trigger 22, and an adjustable, spring- urged, shut off valve 24. In operation, the trigger is actuated to open valve 20, air passes from passage 18<SP>1</SP> to open valve 24 against its spring 28, and then through passage 18<SP>11</SP>, valve 20 and passage 18<SP>111</SP>, so as to drive motor 11. When the resistance reaches a predetermined value the air pressure in creases in a passage 32 and this air is supplied to the side 27 of valve 24, the latter snaps into the closed position and the motor stops.
Patent GB-1413470-A (GB)
Title: Zeolites
IPC: C01B39/30
Filed: 1971-10-04
Abstract: 1413470 1À1 Œ 0À4 M 2 O :Al 2 O 3  : 8 Œ 4 SiO 2  IMPERIAL CHEMICAL INDUSTRIES Ltd 14 Sept 1972 [4 Oct 1971] 46048/71 Heading C1A [Also in Division C5] Zeolite AG2, 1À1 Œ 0À4 M 2 O : Al 2 O 3  : 8 Œ 4 SiO 2 , where M is a quaternary ammonium ion with potassium (with or without Na), having a specified X-ray powder diffraction pattern is made either by reacting at least one Al-containing compound, at least one Si-containing compound, at least one alkali component and at least one quaternary ammonium compound, in aqueous medium, the major silicon component comprising silica of colloidal particle size as defined, the reaction mixture having oxide molar ratios in the following ranges:- where R = quaternary ammonium compound and M 2 O = R 2 O + K 2 O + Na 2 O, or by reacting the above components where the major silicon component is silica of colloidal particle size as defined, an alkali silicate, a quaternary ammonium silicate or any combination thereof and, the oxide molar ratios are in the following ranges:-- R and M 2 O being as defined above. The cations of AG2 may be exchanged with H+ or metal ions.
Patent GB-1221905-A (GB)
Title: Method of, and means for, coating an object with a metal
Inventor: UNGERHOLM KARL-ERIK
IPC: C23C2/24
Filed: 1969-09-19
Abstract: 1,221,905. Metal-coating process. ALLM€NNA SVENSKA ELECTRISKA A.B. Sept.19, 1969 [Sept.20, 1968], No.46195/69. Heading C7F. In a method wherein excess molten metal is applied to an object and the excess is then removed, removal is performed by passing the object through a magnetic field so that the magnetic field in the molten metal generates a magneto-hydrodynamic force which has a wiping-off effect on the molten metal. The method is applicable to continuous hot-dipping processes wherein strip 4, e.g. of Fe, passes through a bath of molten metal 2, e.g. Zn, Al, or Sn. The relative velocity of strip and magnetic field is at least 0.5 m/s and this may be achieved by rotatable D.C. magnets 6 moving contrariwise to the strip as shown, or by stationary multiphase A.C. electromagnets operating to generate a moving magnetic field. To facilitate wiping-off, the metal coating may be heated by flames, resistance heating, or by the magnetic field when high-frequency A.C. electromagnets are used.
Patent GB-1312888-A (GB)
Title: Hygrometer
IPC: G01N27/22
Filed: 1971-10-05
Abstract: 1312888 Measuring moisture content of air OFFICE NATIONAL D'ETUDES ET DE RECHERCHES AEROSPATIALES 5 Oct 1971 [5 Oct 1970] 46317/71 Heading G1N Rapid changes in the moisture content of air near an agitated water surface such as the sea are detected by sucking the air through a convergentdivergent nozzle and measuring its dielectric constant by a capacitor 22 arranged just upstream of the narrowest part of the nozzle where the air is flowing at the speed of sound. The sensing capacitor comprises interleaned parallel plates Fig. 2 and 3, (not shown). One or more of the plates of the capacitor may consist of two outer layers (36, 37) each carrying on its inner surface a silicon dioxide layer (32, 33) coated with metal film (34, 35) arranged with the metal films in contact to provide a temperature compensation capacitor. The sensing capacitor and compensating capacitor are connected in an A.C. brige circuit Fig. 4, (not shown). The nozzle is within a tubular housing 11 also carrying a thermocouple 66, static pressure measuring means 64, and circuitry 61, 62, 63. Tubular support 19 is connected at 20 to suction. A protective grid 65 is provided.