baber/WOPTO huggingface dataset:
Patent GB-849007-A (GB)
Title: Heat interaction of chlorinated butyl rubber and carbon black
IPC: C08K3/04
Filed: 1957-06-19
Abstract: A chlorinated rubbery copolymer of a major proportion of an isoolefin with a minor proportion of a multiolefin containing 0,1 to 10% chlorine is heat-interacted with carbon black at 200 DEG -500 DEG  F. for a time of 5 minutes to 12 hours, sufficient for interaction to take place, the conditions being such that neither thermal degradation nor vulvanisation of the chlorinated butyl rubber takes place.  The rubbery copolymer may be derived from an isoolefin such as isobutylene and a multiolefin such as isoprene, butadiene, dimethyl butadiene or piperylene and is chlorinated with the usual chlorinating agents such as chlorine, alkali metal hypochlorites, sulphur chlorides, tri-chlorophenol chloride and Nchloro-compounds acting either upon the solid copolymer or in solution.  The carbon black may be a channel, furnace, thermal or lamp black.  A promoter, e.g. sulphur, nitroso compounds, quinone dioximes and their derivatives, may be used but is not essential for the reaction with carbon black.  The polymer product, after heating with the carbon black, may be cured in the presence of the usual agents such as zinc oxide, sulphur, thiuram disulphides, dithiocarbamates, benzothiazyl disulphide, lead oxide, quinone dioximes, stearic acid and antioxidants, e.g. N-lauroyl p-amino phenol, as well as various fillers such as clays, silica and titanium dioxide and plasticisers, e.g. hydrocarbon oils.  The compositions may be used in the manufacture of all the various parts of motor tyres.  Specification 565,974 is referred to.
Patent GB-638880-A (GB)
Title: Improvements in or relating to split-foot knitting machines
IPC: D04B9/46
Filed: 1947-07-18
Abstract: 638,880. Knitting. HEMPHILL CO. July 18, 1947, No. 19327. Convention date, Oct. 18, 1939. [Class 74 (ii)] In a machine for knitting split fabric and having two feeding stations, there are provided, at these stations, means for feeding inelastic yarn and, at one of the stations, means for feeding an elastic yarn, and needle dividing means for presenting spaced needles to take the elastic yarn and knit it in combination with inelastic yarn knitted at the other station. Yarn fingers 6, at the main side, are controlled by a cam drum such as in Specifications 20101/09 and 7132/10, [both in Class 74 (ii)]. Other drum cams control yarn fingers 11 and 13, for inelastic and elastic yarns respectively, at the auxiliary side. Needle jacks are provided below alternate needles only and have long or short lower butts 44 or 45, corresponding to the long and short butt needles. In knitting a tuck top incorporating elastic yarn, as in Specification 528,673, the front stitch cam 26 is withdrawn and replaced by a front jack cam 48. All needles then take yarn at the main side, but only alternate needles clear. Stitches are drawn as needles pass down cam 27. At the auxiliary side, centre guard cam 33 has been moved inwardly and a needle-dividing cam 72 is moved inwardly also, to act on all lower butted jacks ; alternate needles are thereby raised to take and knit elastic yarn. After knitting the tuck top, cam 26 is inserted and cam 48 may be withdrawn. Cam 48 is also operative during knitting of breaking thread courses, the breaking thread being knitted on alternate needles. At certain yarn changes and at clockwise strokes, a group of three needles takes an extra yarn to provide an overlap and prevent eyelet formation. For this purpose, a movable eyelet-closing cam 62, 63 is caused to engage only upper butts 47 provided on the jacks associated with three needles which have already knitted at the main side and to cause these needles to knit at the auxiliary side also. Of the three jacks concerned, the inner one, which is not involved in needle dividing, has only a butt 47, but the two outer ones'have also needle-dividing butts 46 which are short enough not to interfere with cam 62, 63 as they rise. The inner part 63 of the cam is cut off at its lower end so that the cam does not act on needle-dividing butts. The auxiliary sinker centre cam is controlled automatically, in harmony with the movement of the auxiliary side yarn fingers 11, 13. A yarn binder 41 is provided at the main side and, at the auxiliary side, a binder 42 which may bind only inelastic or both elastic and inelastic yarns ; the elastic yarn may be bound by a separate binder, or may be floated when not incorporated. The auxiliary cams are constructed generally as in Specifications 374,961, 375,330, 375,331, 375,379, 380,795, and 449,122, and are movable, as a whole, to and from active position. The entire main cam block may also be withdrawn. The incorporation of elastic yarn in the top provides a garter and simulates rib knitting.
Patent GB-816959-A (GB)
Title: Improvements in loose back-rests for seats
IPC: A47C7/42
Filed: 1956-06-22
Abstract: 816,959. Cushions, attaching to seats. ELLMAN, L. Sept. 20, 1957 [June 22, 1956], No. 19327/56. Class 52(4) A detachable back rest or cushion has a body part 3 of foam rubber and bendable metal straps or bars 10, which fit over the back of the seat, secured to a batten 8 fixed through a harder rubber block 7 to the body 3, the assembly being enclosed within a textile cover 11 having extensions 13 to receive the bars 10. The bars 10 may have a layer of sponge rubber on their inner faces and the part 3 may consist of two layers of honeycomb foam rubber adhesively united and surrounded by peripheral strips of foam rubber to give a smooth outer surface.
Patent GB-606173-A (GB)
Title: Improvements in or relating to filling valves for casks, containers, or the like
IPC: B67C3/30
Filed: 1946-06-28
Abstract: 606,173. Valve accessories. MATTHEWS, L. A. June 28, 1946, No. 19337. [Class 135] [Also in Group XVII] A valve for filling casks, &c., with liquid, in which operation of a single hand-lever simultaneously opens a spring-loaded valve member and compresses a rubber, &c., sleeve to seal the valve within the cask, comprises a cylindrical body a, Fig. 1, having a liquid inlet b and an air vent formed by apertures k<SP>1</SP> in an extension k and an annular space f<SP>1</SP> opening into a passage c. Communication between the inlet and a filling tube f is controlled by the spring-loaded valve member d co-operating with a detachable seat e and operable, through a stem d<SP>2</SP>, a lever m pivoted at m<SP>1</SP> to a pillar a<SP>4</SP> and a link l, by the hand-lever a<SP>2</SP> pivoted at a3. The flexible sleeve h, retained on the body between a fixed collar g and a loose collar j is compressed by engagement of the hand-lever with the loose collar. As liquid enters the cask, air is displaced through the vent until the apertures k<SP>1</SP> are submerged, when further rise of the liquid level in the cask ceases. To vary this level, the extension k may be formed with a rotatable sleeve k<SP>2</SP>, Fig. 3, having apertures k<SP>3</SP> for co-operation selectively with an axial slot k<SP>1</SP> in the extension and retained thereon by a nut k<SP>5</SP>. The apertures k<SP>3</SP> may be replaced by a single slot at an inclination to the slot k<SP>1</SP>.
Patent GB-256624-A (GB)
Title: Improvements in or relating to installations operated by steam or any other power generated by heat
IPC: F22D5/16
Filed: 1926-08-04
Abstract: 256,624. Siemens - Schuckertwerke Ges. Aug. 7, 1925, [Convention date]. Thermostats. - In the regulation of power installations by the temperature of the driving g medium through the agency of the vapour pressure of a higher boiling point liquid acting through a transmission liquid upon regulating devices, an auxiliary tank is inserted between the boiling and transmission liquids, and is arranged above the level of liquid in the boiling tank from which a pipe communicates with that part of the auxiliary tank above the level of transmission liquid therein. Vapour generated in a vessel 3 bathed in the driving medium passing through a conduit 1 exerts a variable pressure according to the temperature of the driving medium, upon the surface 10 of transmission liquid in a balance tank 8, this pressure being communicated to a diaphragm 6 having a control rod 7. To regulate within a certain range of temperature only the apparatus is arranged so that before the regulating device begins to operate the pressure of a column of the transmission liquid must be overcome, this pressure corresponding to the minimum temperature of the range. When, owing to a difference in levels, the pressure head, e.g. of mercury as the transmission liquid, would be too great for the lower limit, a lighter liquid, e.g. oil, is interposed between the boiling and transmission liquids. This lighter liquid is contained in balance tanks 11, 12 connected together by a pipe 13. Specifications 3179/90 and 236,716 are referred to.
Patent GB-706043-A (GB)
Title: Improvements relating to the blending of textile fibrous materials
Inventor: HUNTER WILLIAM ALDRED
IPC: D01G13/00
Filed: 1951-08-16
Abstract: 706,043. Blending textile fibres. T.M.M. (RESEARCH), Ltd. July 29, 1952 [Aug. 16, 1951], No. 19356/51. Class 120(3) An apparatus for blending textile fibrous materials comprises in combination with a conveyer an assembly of measured rate delivery units each of which feeds to the conveyer a metered quantity of a fibrous material, the conveyer having spikes which co-operate with the metering elements of each unit to detach the fibre in finely divided tufts. A number of hopper feeders 1, Fig. 1. which may be of the kind described in Specification 670,827, discharges the fibrous material to be.blended through pneumatic ducts 2 into the blending apparatus 3 from which it is taken through pneumatic ducts 4 to hopper feeders 5 and intensive opening machines 6 which may be those described in Specification 650,157. The blending apparatus 3 comprises a number of feed trunks 7 each of which is fed with fibrous material from a duct 2. At the head of each trunk; the fibrous material passes a conventional rotary damped condenser cage 8 driven by a roller 24, all the cages 8 being aspirated by means of fans 10 through manifolds 11. At the foot of each trunk 7 the fibres are discharged on to the. spiked lattice conveyer 14 by rollers 13, and the superposed layers are removed from the conveyer 14 by a stripper 17 and are discharged into the shoot 18. The several moving parts of the apparatus are driven from two electric motors 21 through belt and pulley and gearing systems as shown. The drive to each pair of rollers 13 includes a variable speed device 42 by means of which the output from each trunk 7 may be controlled. A photo-electric cell 50 is arranged in each trunk 7 and is connected by a line 51 to an electronic apparatus 52 which controls a speed regulator 53 associated with the delivery element of the hopper feeder 1. A constant head of fibre is maintained within the trunk 7 and a fall in the upper surface of the fibre below a certain level is detected by the photo-electric cell to regulate the supply of fibre to the trunk. An electric contact 54 is provided in the distributer 18 and is connected to an electric apparatus 56 which controls a clutch 57 through which is arranged the drive to the delivery rollers 13. A photo-electric cell is arranged in each hopper feeder 5, and when. the desired level in the feeder is reached the cell operates the contact 54 to cut off the supply to that feeder with the consequent operation of the apparatus 56 to retard the delivery from the trunks 7. The mechanism in the distributer 18 is of known form incorporating electrically controlled doors connected in circuit with the photo-electric cells in the hopper feeders. In a modification, Fig. 4, the condenser cage 8 of each trunk 7 floats upon a pair of rubbercovered rollers 58 which impart the appropriate direction of rotation to the cage through spur gearing. The cages are provided with circumferential tongues which engage grooved rims in the rollers 58 to prevent endwise rotation.
Patent GB-1148443-A (GB)
Title: Luminescent products
IPC: C09K11/77
Filed: 1966-05-03
Abstract: 1,148,443. Coloured and luminescent silicon glass pressing glass. OWENS-ILLINOIS Inc. 3 May, 1966 [3 May, 1965], No. 19362/66. Heading C1M. [Also in Division C4] A cathedo- or photo-luminescent material of predominantly blue emission comprises a fused transparent mass with uniform distributions of, as major ingredient, terbium oxide in amount from about 5 atoms to about 5000 atoms of terbium per million atoms of silicon (preferably at least 100), and a modifier being aluminium oxide in an amount providing from about 10 to 200,000 atoms of aluminium per million atoms of the silicon and/or another modifier which is an oxide of lanthanum, barium, calcium, magnesium, strontium, sodium, lithium, potassium, rubidium or cesium, or a phosphate of boron or aluminium, in an amount to provide about 10 to 20,000 atoms of the metallic element per million atoms of silicon. In examples, glasses prepared contain (in atoms per million atoms of silicon), 5000 of Tb and 5000 of Al; 1000 of Tb with in turn 0, 100, 1000 and 10,000 atoms of Al; and 1000 atoms of Tb with 0, 100, 1000, and 10,000 atoms of Na and intensities of emissions from 3800 A to 6000 Š are disclosed. To remove impurities, particulate vitreous silica (e.g. of 10 to 20 millimicrons and not greater than 5 micron size) is heated to 700‹ C. for 12 hours and to 1000‹ C. for 2 hrs.; the anhydrous material is mixed with water, alcohol or acetone for instance to obtain a slurry, the Tb and modifier additions then being added; ammonia may be added to obtain a precipitate which is dried, pulverized, fired at 600‹ to 700‹ C., treated with water for instance to increase mutual adhesion between particles and fused at 700‹ C., followed by pressing and heating to 1250‹ C. to 1750‹ C. in vacuum. Applications instanced are T.V. tubes, X-ray and radar screens, oscilloscopes, electron microscopes, fluorescent lights, radiation detectors, luminous markers, signs and dials.
Patent GB-509087-A (GB)
Title: An improved piston or plunger for engines, pumps and the like
IPC: F16J1/04
Filed: 1938-07-01
Abstract: 509,087. Pistons. OVER, C. S. July 1, 1938, No. 19526. Convention date, July 5, 1937. [Class 122 (i)] In a tapered, split-skirt piston having a maximum diameter at its outer end, the helical slots D are reduced in width near the end of the skirt and continued at D<1> in a reverse angle to the skirt end. The lower edge of each slot may be bevelled at E and provided with oil drain holes F. Alternatively, both inner edges of each slot may be bevelled. The Specification as open to inspection under Sect. 91 describes also a tapered skirt piston having helical slots which stop short of the skirt end. This subject-matter does not appear in the Specification as accepted.
Patent GB-357640-A (GB)
Title: Improvements in or relating to radio direction finding systems
IPC: G01S19/48
Filed: 1930-06-27
Abstract: 357,640. Directive wireless signalling. ELECTRICAL RESEARCH PRODUCTS, Inc., 195, Broadway, New York, U.S.A.-(Assignees of Englund, C. R. ; 54, Court Street, Freehold, New Jersey, U.S.A.) June 27, 1930, No. 19580. Convention date, June 29, 1929. [Class 40 (v).] A direction finding system comprises a transmitter producing waves whose phase is different at all points of the compass, and a receiver giving a direction indication produced by comparing the phase of the received signal and a standard phase, also sent from the transmitter. The transmitter may comprise a plurality of directional aerials successively angularly displaced from one another by a constant angle and excited by currents of the same frequency, but successively displaced in phase by the same angle, and a non-directional aerial radiating waves of predetermined phase and frequency. In the embodiment described, the transmitter comprises a radio-frequency oscillator 10 of frequency f1 supplying currents to a vertical aerial 11 centrally located with respect to the crossed loop aerials 12, 13 which are supplied with currents of sideband frequency f1-f2, for example from a modulator 15 fed from the oscillator 10 and an audio-frequency source 16. A phaseshifting device 17 renders the currents in loop 13, 90‹ out of phase with those in loop 12. The non-directional aerial 14 is supplied with the other sideband frequency f1 + f2 from a modulator 18, also fed from the sources 10, 16. At the receiver, Fig. 2 (not shown), one non-directional aerial receives the frequencies f1 from aerial 11 and f1 -f2 from the loops 12, 13, while another non- directional aerial receives the frequencies f1 from aerial 11 and f1 + f2 from aerial 14. The outputs from the two receivers are both arranged, by combining the signals, to have a frequency f2, the phase of the former depending on the direction of the transmitter, and these outputs are applied to an instrument which will indicate the phase difference between them, for example, a synchroscope, and thus an indication of the bearing is given.
Patent GB-638570-A (GB)
Title: Improvements in or relating to plasticized vinyl polymers and process of plasticizing same
IPC: C08J3/21
Filed: 1947-07-22
Abstract: Vinyl polymers are plasticized by agitating a suspension of polymer and plasticizer in a volatile liquid in which neither the polymer nor the plasticizer is soluble at a temperature below 100 DEG  C. until the plasticizer is absorbed by the polymer, and then removing the volatile liquid.  Specified are g -polyvinyl chloride and copolymers of vinyl chloride with vinyl cyanide, vinyl acetate or vinylidene chloride.  Suitable liquids are water, methoxymethanol, methoxyethanol, n- and iso-propanol, n-butanol, methoxyacetic acid, ethylene glycol methyl glycollate, glycerine, hexane, heptane, lactic acid, methyl lactate, hydroxy-acetone, formamide, formal, "Cellosolve" (Registered Trade Mark), methyl Cellosolve, ethylidene dimethyl ether, ethanolamine and methanolamine.  The suspension obtained by emulsion polymerization may be used direct.  Wetting agents, e.g. gelatin, alkali metal, ammonium or amine salts of higher fatty acids of sulphonic acids or of acid sulphuric esters may be used in the vehicle.  The plasticizer may be dispersed directly in the polymer suspension or added as a separate emulsion.  Suitable plasticizers are tricresyl phosphate, dibutyl phthalate, dioctyl phthalate and butyl phthalyl butyl glycollate.  Pigments, fillers, dyes and stabilizers may be added to the plasticized polymer.
Patent GB-147652-A (GB)
Title: Improvements in or relating to filtering plates for filter presses
IPC: B01D25/21
Filed: 1920-07-08
Abstract: 147,652. Kamp, V. April 23, 1918, [Convention date]. Filter presses. - A filter-press plate comprises bars A the ends of which fit into dove-tailed grooves in the top and bottom of the frame and are separated by distance pieces in the grooves. Tie-rods B pass transversely through the bars, and the bars are perforated so that the spaces between them communicate.
Patent GB-231736-A (GB)
Title: Improvements in or relating to bolting or sifting apparatus
IPC: B07B1/42
Filed: 1924-08-19
Abstract: 231,736. Simonis, L. Michel-. Aug. 19, 1924. Reciprocating sieves.-One or more sieves 5<1>, 6' are pivoted to frames 3 by a transverse rod 4 at one end and are adjustably supported at their other end each bv two threaded rods 7, 7<1> and nuts 9, 9<1> carried by straps 8, 8<1>. The frames 3 are suspended by rods 2 from the support 1.
Patent GB-1316037-A (GB)
Title: Gas flow silencer
IPC: F01N13/16
Filed: 1971-06-09
Abstract: 1316037 Silencing gaseous flow L F BLATT and F H WIESENHOFER 9 June 1971 [15 Oct 1970] 19766/71 Heading F1B A silencer 10 comprises a first frusto-conical gas permeable baffle 20 and a second plate gas permeable baffle 34 and a sound absorbing material 32, e.g. porous urethane, sponge rubber, felt steel wool or coiled wire mesh, therebetween in a housing 14. The chamber 28 within the baffle 20 is aligned with the housing inlet 18. The baffles 20 and 34 may be of sintered bronze or steel, porous porcelain or stone or porous plastics material. The second baffle (40), Figs.3 and 4 (not shown), may be a perforated aluminium plate.
Patent GB-472439-A (GB)
Title: Improvements in and relating to the determination of the zone value of connections such as telephone connections
IPC: H04M15/04
Filed: 1936-07-16
Abstract: 472,439. Automatic exchange systems. TELEFONBAU UND NORMALZEIT AKT.- GES. July 16, 1936, No. 19777. Convention date, Nov. 13, 1935. [Class 40 (iv)] In a zone-metering system, impulses representing the position of the terminating exchange on a two-co-ordinate diagram of the whole area are sent back to the originating exchange, at which a zone-determining device is then set to a position representing the difference between the co-ordinates of the two exchanges. Thus for a call between exchanges represented by co-ordinates 17, 12 and 19, 16 both in zone VIII, Fig. 3, the zone-determining wiper is set to position 2, 4 and the cell is thus assessed at the rate appropriate for calls from the datum point 0, 0 to zone IV. The operations preferably take place at the conclusion of the conversation. On the operation of relay I (not shown) at the originating exchange U (17, 12), battery is connected to conductor a to operate relay AN which connects up impulsesending means imp at the terminating exchange E (19, 16). The impulses are repeated by relay Z to magnet DM1 of a switch D1 and after seventeen of the impulses have been received, relay 1P operates over wiper dl so that the two remaining impulses are repeated also to magnet HZ of the zonedetermining device. Relay B, operated at first over normal contacts kh of the zonedetermining device and then over magnet contacts hz, relapses at the end of the digit so that the next series of impulses passes to switch D2 and the last four, due to the operation of relay 2P over wiper d2, are repeated also to magnet DZ. If either co-ordinate of the terminating exchange is less than the corresponding one of the originating exchange, a self-interrupting circuit for the appropriate magnet HZ or DZ is closed by the relapse of relay 1V or 2V at the end of the impulse train, the operation continuing until relay 1P or 2P operates. The zone-determining device may be arranged to have its wiper normally in the position corresponding to the originating exchange so that the magnets HZ, DZ may be set directly by the impulses sent back. The contact bank of the zonedetermining device may be formed as a solid metal plate subdivided at the zone boundaries by insulating strips. The movement in either direction may be in long and short steps. The connection to the terminating exchange may include manual links. The zone determining-device may be associated in common with a number of connecting-circuits. Metering may be dependent on the duration of the call as well as on the zone.
Patent GB-1076286-A (GB)
Title: Worm extrusion press
Inventor: RODENACKER WOLF
IPC: B29C48/67
Filed: 1965-05-11
Abstract: 1,076,286. Melt extruders. FARBENFAPRIKEN BAYER A.G. May 11, 1965 [May 13, 1964], No. 19833/65. Heading B5A. A melt extruder comprises a screw impeller 2 having an undercut flight 3 which terminates adjacent the downstream end of a temperring zone 5, a stirrer 13 within a melt zone 6, and a gear pump 8. A cooling zone 4 is situated upstream of tempering zone 5, the latter being heated by a heater 10 to a lower temperature than melting zone 6, heated by a heater 9. Hopper 1 is maintained full of thermoplastic resin shavings, and according to the invention, the position of the solid-liquid phase boundary within barrel 15 is automatically adjusted by the undercut nature of flight 3 to ensure a uniform working pressure of the melt at gear pump 8. A manometer 12 indicates the operating conditions within barrel 15. In a modification (not shown), shaft 14 may be used as the drive shaft for a gear pump.